From ba74410470c0d515e7e598d747e5cd7ebeb78ea2 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 02:37:29 -0800
Subject: [PATCH 01/11] New approach for forwarding parameter stability

---
 .../tests/ForwardingParamStabilityTest.cpp    | 32 +++++++-
 src/headless/tests/UnitTests.h                |  8 +-
 src/processors/BaseProcessor.cpp              |  4 +-
 src/processors/BaseProcessor.h                |  6 +-
 src/state/ParamForwardManager.cpp             | 75 ++++++++++---------
 src/state/ParamForwardManager.h               |  6 ++
 6 files changed, 83 insertions(+), 48 deletions(-)

diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index ca4fdc97..6542f0d5 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -53,13 +53,19 @@ class ForwardingParamStabilityTest : public UnitTest
         };
 
         std::vector<Action> actions {
+            { "Add Processor", [&]
+              { return addProcessor (procChain, undoManager); } },
             { "Add Processor", [&]
               { return addProcessor (procChain, undoManager); } },
             { "Remove Processor", [&]
               { return removeProcessor (procChain); } },
         };
 
-        for (int count = 0; count < 100;)
+#if JUCE_DEBUG
+        for (int count = 0; count < 9;)
+#else
+        for (int count = 0; count < 101;)
+#endif
         {
             auto& action = actions[rand.nextInt ((int) actions.size())];
             if (action.action())
@@ -105,11 +111,29 @@ class ForwardingParamStabilityTest : public UnitTest
 
     void runTest() override
     {
-        rand = Random { 1234 }; // getRandom();
+        beginTest ("Check Max Parameter Count");
+        runTestForAllProcessors (
+            this,
+            [this] (BaseProcessor* proc)
+            {
+                expectLessThan (proc->getParameters().size(),
+                                ParamForwardManager::maxParameterCount,
+                                "");
+            },
+            {},
+            false);
 
         beginTest ("Forwarding Parameter Stability Test");
-        const auto [paramNames, state] = runPlugin();
-        testPlugin (paramNames, state);
+        rand = Random { 1245 };
+#if JUCE_DEBUG
+        for (int i = 0; i < 1; ++i)
+#else
+        for (int i = 0; i < 10; ++i)
+#endif
+        {
+            const auto [paramNames, state] = runPlugin();
+            testPlugin (paramNames, state);
+        }
     }
 
     Random rand;
diff --git a/src/headless/tests/UnitTests.h b/src/headless/tests/UnitTests.h
index 5cf98d7a..9a2b4031 100644
--- a/src/headless/tests/UnitTests.h
+++ b/src/headless/tests/UnitTests.h
@@ -1,6 +1,9 @@
 #include "../../BYOD.h"
 
-static inline void runTestForAllProcessors (UnitTest* ut, const std::function<void (BaseProcessor*)>& testFunc, const StringArray& procsToSkip = {})
+static inline void runTestForAllProcessors (UnitTest* ut,
+                                            const std::function<void (BaseProcessor*)>& testFunc,
+                                            const StringArray& procsToSkip = {},
+                                            bool startNewTest = true)
 {
     PlayheadHelpers playheadHelper;
     for (auto [name, storeEntry] : ProcessorStore::getStoreMap())
@@ -13,7 +16,8 @@ static inline void runTestForAllProcessors (UnitTest* ut, const std::function<vo
 
         auto proc = storeEntry.factory (nullptr);
         proc->playheadHelpers = &playheadHelper;
-        ut->beginTest (proc->getName() + " Test");
+        if (startNewTest)
+            ut->beginTest (proc->getName() + " Test");
         testFunc (proc.get());
         proc->freeInternalMemory();
     }
diff --git a/src/processors/BaseProcessor.cpp b/src/processors/BaseProcessor.cpp
index bdf645dd..2a2669d0 100644
--- a/src/processors/BaseProcessor.cpp
+++ b/src/processors/BaseProcessor.cpp
@@ -139,7 +139,7 @@ std::unique_ptr<XmlElement> BaseProcessor::toXML()
 
     xml->setAttribute ("x_pos", (double) editorPosition.x);
     xml->setAttribute ("y_pos", (double) editorPosition.y);
-    xml->setAttribute ("forwarding_params_offset", forwardingParamsStartIndex);
+    xml->setAttribute ("forwarding_params_slot_index", forwardingParamsSlotIndex);
 
     if (netlistCircuitQuantities != nullptr)
     {
@@ -206,7 +206,7 @@ void BaseProcessor::loadPositionInfoFromXML (XmlElement* xml)
     auto yPos = (float) xml->getDoubleAttribute ("y_pos");
     editorPosition = juce::Point { xPos, yPos };
 
-    forwardingParamsStartIndex = xml->getIntAttribute ("forwarding_params_offset", -1);
+    forwardingParamsSlotIndex = xml->getIntAttribute ("forwarding_params_slot_index", -1);
 }
 
 void BaseProcessor::addConnection (ConnectionInfo&& info)
diff --git a/src/processors/BaseProcessor.h b/src/processors/BaseProcessor.h
index b2083ebb..bb67d951 100644
--- a/src/processors/BaseProcessor.h
+++ b/src/processors/BaseProcessor.h
@@ -186,8 +186,8 @@ class BaseProcessor : private JuceProcWrapper
     juce::Point<int> getPosition (Rectangle<int> parentBounds);
 
     const auto& getParameters() const { return AudioProcessor::getParameters(); }
-    int getForwardingParametersIndexOffset() const noexcept { return forwardingParamsStartIndex; }
-    void setForwardingParametersIndexOffset (int offset) { forwardingParamsStartIndex = offset; }
+    int getForwardingParameterSlotIndex() const noexcept { return forwardingParamsSlotIndex; }
+    void setForwardingParameterSlotIndex (int index) { forwardingParamsSlotIndex = index; }
 
     bool isOutputModulationPortConnected();
     const std::vector<String>* getParametersToDisableWhenInputIsConnected (int portIndex) const noexcept;
@@ -314,7 +314,7 @@ class BaseProcessor : private JuceProcWrapper
     std::unordered_map<int, std::vector<String>> paramsToDisableWhenInputConnected {};
     std::unordered_map<int, std::vector<String>> paramsToEnableWhenInputConnected {};
 
-    int forwardingParamsStartIndex = -1;
+    int forwardingParamsSlotIndex = -1;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (BaseProcessor)
 };
diff --git a/src/state/ParamForwardManager.cpp b/src/state/ParamForwardManager.cpp
index 293aa191..df834004 100644
--- a/src/state/ParamForwardManager.cpp
+++ b/src/state/ParamForwardManager.cpp
@@ -46,13 +46,25 @@ const RangedAudioParameter* ParamForwardManager::getForwardedParameterFromIntern
     return nullptr;
 }
 
+int ParamForwardManager::getNextUnusedParamSlot() const
+{
+    for (int i = 0; i < numParamSlots; ++i)
+        if (! paramSlotUsed[i])
+            return i;
+
+    jassertfalse;
+    return -1;
+}
+
 void ParamForwardManager::processorAdded (BaseProcessor* proc)
 {
     auto& procParams = proc->getParameters();
     const auto numParams = procParams.size();
 
-    const auto setForwardParameterRange = [this, &procParams, &proc, numParams] (int startOffset)
+    const auto setForwardParameterRange = [this, &procParams, &proc, numParams] (int slotIndex)
     {
+        paramSlotUsed[slotIndex] = true;
+        const auto startOffset = slotIndex * maxParameterCount;
         setParameterRange (startOffset,
                            startOffset + numParams,
                            [&procParams, &proc, startOffset] (int index) -> chowdsp::ParameterForwardingInfo
@@ -67,35 +79,22 @@ void ParamForwardManager::processorAdded (BaseProcessor* proc)
                            });
     };
 
-    if (const auto savedOffset = proc->getForwardingParametersIndexOffset(); savedOffset >= 0)
+    if (auto slotIndex = proc->getForwardingParameterSlotIndex(); slotIndex >= 0)
     {
-        setForwardParameterRange (savedOffset);
+        jassert (! paramSlotUsed[slotIndex]);
+        setForwardParameterRange (slotIndex);
     }
     else
     {
-        // Find a range in forwardedParams with numParams empty params in a row
-        int count = 0;
-        for (int i = 0; i < (int) forwardedParams.size(); ++i)
+        slotIndex = getNextUnusedParamSlot();
+        if (slotIndex < 0)
         {
-            if (forwardedParams[i]->getParam() == nullptr)
-                count++;
-            else
-                count = 0;
-
-            if (count == numParams)
-            {
-                int startOffset = [i, numParams, proc]
-                {
-                    const auto savedOffset = proc->getForwardingParametersIndexOffset();
-                    if (savedOffset >= 0)
-                        return savedOffset;
-                    return i + 1 - numParams;
-                }();
-                proc->setForwardingParametersIndexOffset (startOffset);
-                setForwardParameterRange (startOffset);
-                break;
-            }
+            juce::Logger::writeToLog ("Unable to set up forawrding parameters for " + proc->getName() + " - no free slots available!");
+            return;
         }
+
+        proc->setForwardingParameterSlotIndex (slotIndex);
+        setForwardParameterRange (slotIndex);
     }
 }
 
@@ -103,21 +102,23 @@ void ParamForwardManager::processorRemoved (const BaseProcessor* proc)
 {
     auto& procParams = proc->getParameters();
 
-    if (const auto savedOffset = proc->getForwardingParametersIndexOffset(); savedOffset >= 0)
+    if (const auto slotIndex = proc->getForwardingParameterSlotIndex(); slotIndex >= 0)
     {
-        clearParameterRange (savedOffset, savedOffset + procParams.size());
-    }
-    else
-    {
-        for (auto [index, param] : sst::cpputils::enumerate (forwardedParams))
-        {
-            if (auto* internalParam = param->getParam(); internalParam == procParams[0])
-            {
-                clearParameterRange ((int) index, (int) index + procParams.size());
-                break;
-            }
-        }
+        paramSlotUsed[slotIndex] = false;
+        const auto startOffset = slotIndex * maxParameterCount;
+        clearParameterRange (startOffset, startOffset + procParams.size());
     }
+    // else
+    // {
+    //     for (auto [index, param] : sst::cpputils::enumerate (forwardedParams))
+    //     {
+    //         if (auto* internalParam = param->getParam(); internalParam == procParams[0])
+    //         {
+    //             clearParameterRange ((int) index, (int) index + procParams.size());
+    //             break;
+    //         }
+    //     }
+    // }
 }
 
 void ParamForwardManager::deferHostNotificationsGlobalSettingChanged (SettingID settingID)
diff --git a/src/state/ParamForwardManager.h b/src/state/ParamForwardManager.h
index 8616455c..85a984de 100644
--- a/src/state/ParamForwardManager.h
+++ b/src/state/ParamForwardManager.h
@@ -8,6 +8,9 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
     using SettingID = chowdsp::GlobalPluginSettings::SettingID;
 
 public:
+    static constexpr int maxParameterCount = 12;
+    static constexpr auto numParamSlots = 40;
+
     ParamForwardManager (AudioProcessorValueTreeState& vts, ProcessorChain& chain);
     ~ParamForwardManager();
 
@@ -22,6 +25,7 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
 
 private:
     void deferHostNotificationsGlobalSettingChanged (SettingID settingID);
+    int getNextUnusedParamSlot() const;
 
     ProcessorChain& chain;
 
@@ -30,5 +34,7 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
     chowdsp::SharedPluginSettings pluginSettings;
     std::optional<ScopedForceDeferHostNotifications> deferHostNotifs {};
 
+    bool paramSlotUsed[numParamSlots] {};
+
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ParamForwardManager)
 };

From 238cbc54e49ee3159be9b74828f01685a6d7d7fd Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 03:52:21 -0800
Subject: [PATCH 02/11] More work

---
 src/BYOD.cpp                                  |  2 +-
 .../tests/ForwardingParamStabilityTest.cpp    | 88 +++++++++++++++----
 .../chain/ProcessorChainStateHelper.cpp       | 14 ++-
 .../chain/ProcessorChainStateHelper.h         |  3 +-
 src/processors/drive/RONN.cpp                 |  4 +-
 src/state/ParamForwardManager.cpp             | 75 +++++++++++++---
 src/state/ParamForwardManager.h               |  3 +
 src/state/StateManager.cpp                    | 11 ++-
 src/state/StateManager.h                      |  3 +-
 9 files changed, 166 insertions(+), 37 deletions(-)

diff --git a/src/BYOD.cpp b/src/BYOD.cpp
index 8730a864..ccc65155 100644
--- a/src/BYOD.cpp
+++ b/src/BYOD.cpp
@@ -131,7 +131,7 @@ void BYOD::getStateInformation (MemoryBlock& destData)
 
 void BYOD::setStateInformation (const void* data, int sizeInBytes)
 {
-    stateManager->loadState (getXmlFromBinary (data, sizeInBytes).get());
+    stateManager->loadState (getXmlFromBinary (data, sizeInBytes).get(), *paramForwarder);
 
     if (wrapperType == WrapperType::wrapperType_AudioUnitv3)
     {
diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 6542f0d5..84f65eaa 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -99,40 +99,96 @@ class ForwardingParamStabilityTest : public UnitTest
         for (auto [idx, param] : chowdsp::enumerate (forwardingParams))
         {
             if (auto* forwardedParam = param->getParam())
+            {
                 expectEquals (forwardedParam->getName (1024).toStdString(),
                               paramNames[idx],
                               "Parameter name mismatch");
+            }
             else
+            {
                 expectEquals (std::string {},
                               paramNames[idx],
                               "Parameter name mismatch");
+            }
         }
     }
 
-    void runTest() override
+    void testLegacyState (int i)
     {
-        beginTest ("Check Max Parameter Count");
-        runTestForAllProcessors (
-            this,
-            [this] (BaseProcessor* proc)
+        const auto [stateFile, paramsFile] = [i]
+        {
+            auto rootDir = File::getSpecialLocation (File::currentExecutableFile);
+            while (rootDir.getFileName() != "BYOD")
+                rootDir = rootDir.getParentDirectory();
+            const auto fileDir = rootDir.getChildFile ("src/headless/tests/OldParamForwardStates");
+            return std::make_pair (fileDir.getChildFile ("test_" + juce::String { i } + ".xml"),
+                                   fileDir.getChildFile ("test_" + juce::String { i } + ".txt"));
+        }();
+
+        const auto stateXml = XmlDocument::parse (stateFile);
+        BYOD plugin;
+        juce::MemoryBlock state;
+        plugin.copyXmlToBinary (*stateXml, state);
+        plugin.setStateInformation (state.getData(), state.getSize());
+
+        juce::StringArray paramNames;
+        paramNames.addTokens (paramsFile.loadFileAsString(), ",", {});
+        jassert (paramNames.size() == 500);
+        for (auto& name : paramNames)
+            name = name.trimCharactersAtStart (" ");
+
+        auto& forwardingParams = plugin.getParamForwarder().getForwardedParameters();
+        for (auto [idx, param] : chowdsp::enumerate (forwardingParams))
+        {
+            if (auto* forwardedParam = param->getParam())
             {
-                expectLessThan (proc->getParameters().size(),
-                                ParamForwardManager::maxParameterCount,
-                                "");
-            },
-            {},
-            false);
-
-        beginTest ("Forwarding Parameter Stability Test");
-        rand = Random { 1245 };
+                expectEquals (forwardedParam->getName (1024),
+                              paramNames[idx],
+                              "Parameter name mismatch");
+            }
+            else
+            {
+                expectEquals (juce::String { "EMPTY" },
+                              paramNames[idx],
+                              "Parameter name mismatch");
+            }
+        }
+    }
+
+    void runTest() override
+    {
+//         beginTest ("Check Max Parameter Count");
+//         runTestForAllProcessors (
+//             this,
+//             [this] (BaseProcessor* proc)
+//             {
+//                 expectLessThan (proc->getParameters().size(),
+//                                 ParamForwardManager::maxParameterCount,
+//                                 "");
+//             },
+//             {},
+//             false);
+//
+//         beginTest ("Forwarding Parameter Stability Test");
+//         rand = Random { 1245 };
+// #if JUCE_DEBUG
+//         for (int i = 0; i < 1; ++i)
+// #else
+//         for (int i = 0; i < 10; ++i)
+// #endif
+//         {
+//             const auto [paramNames, state] = runPlugin();
+//             testPlugin (paramNames, state);
+//         }
+
+        beginTest ("Legacy Forwarding Parameter Compatibility Test");
 #if JUCE_DEBUG
         for (int i = 0; i < 1; ++i)
 #else
         for (int i = 0; i < 10; ++i)
 #endif
         {
-            const auto [paramNames, state] = runPlugin();
-            testPlugin (paramNames, state);
+            testLegacyState (i);
         }
     }
 
diff --git a/src/processors/chain/ProcessorChainStateHelper.cpp b/src/processors/chain/ProcessorChainStateHelper.cpp
index 6593504a..38c3de4e 100644
--- a/src/processors/chain/ProcessorChainStateHelper.cpp
+++ b/src/processors/chain/ProcessorChainStateHelper.cpp
@@ -42,7 +42,8 @@ void ProcessorChainStateHelper::loadProcChain (const XmlElement* xml,
                                                const chowdsp::Version& stateVersion,
                                                bool loadingPreset,
                                                Component* associatedComponent,
-                                               WaitableEvent* waiter)
+                                               WaitableEvent* waiter,
+                                               ParamForwardManager* paramForwardManager)
 {
     if (xml == nullptr)
     {
@@ -56,9 +57,18 @@ void ProcessorChainStateHelper::loadProcChain (const XmlElement* xml,
          loadingPreset,
          xmlState = *xml,
          safeComp = Component::SafePointer { associatedComponent },
-         waiter]
+         waiter,
+         paramForwardManager]
         {
+            using namespace chowdsp::version_literals;
+            if (paramForwardManager != nullptr && stateVersion <= "1.2.1"_v)
+                paramForwardManager->setUsingLegacyMode (true);
+
             loadProcChainInternal (&xmlState, stateVersion, loadingPreset, safeComp.getComponent());
+
+            if (paramForwardManager != nullptr && stateVersion <= "1.2.1"_v)
+                paramForwardManager->setUsingLegacyMode (false);
+
             if (waiter != nullptr)
                 waiter->signal();
         });
diff --git a/src/processors/chain/ProcessorChainStateHelper.h b/src/processors/chain/ProcessorChainStateHelper.h
index ac854a42..6865f745 100644
--- a/src/processors/chain/ProcessorChainStateHelper.h
+++ b/src/processors/chain/ProcessorChainStateHelper.h
@@ -12,7 +12,8 @@ class ProcessorChainStateHelper
                         const chowdsp::Version& stateVersion,
                         bool loadingPreset = false,
                         Component* associatedComponent = nullptr,
-                        WaitableEvent* waiter = nullptr);
+                        WaitableEvent* waiter = nullptr,
+                        ParamForwardManager* paramForwardManager = nullptr);
 
     static bool validateProcChainState (const XmlElement* xml, const ProcessorStore& processorStore);
 
diff --git a/src/processors/drive/RONN.cpp b/src/processors/drive/RONN.cpp
index 70078fd3..8c7f2ea7 100644
--- a/src/processors/drive/RONN.cpp
+++ b/src/processors/drive/RONN.cpp
@@ -127,7 +127,7 @@ void RONN::parameterChanged (const String& parameterID, float newValue)
         return;
 
     auto seedIdx = int (newValue);
-    reloadModel (RONNRandom::randomSeeds[seedIdx]);
+    // reloadModel (RONNRandom::randomSeeds[seedIdx]);
     needsPrebuffering = true;
 }
 
@@ -198,7 +198,7 @@ void RONN::prepare (double sampleRate, int samplesPerBlock)
     dcBlocker.prepare (sampleRate, samplesPerBlock);
 
     maxBlockSize = samplesPerBlock;
-    doPrebuffering();
+    // doPrebuffering();
 }
 
 void RONN::doPrebuffering()
diff --git a/src/state/ParamForwardManager.cpp b/src/state/ParamForwardManager.cpp
index df834004..16140cc5 100644
--- a/src/state/ParamForwardManager.cpp
+++ b/src/state/ParamForwardManager.cpp
@@ -79,6 +79,44 @@ void ParamForwardManager::processorAdded (BaseProcessor* proc)
                            });
     };
 
+    if (usingLegacyMode)
+    {
+        jassert (proc->getForwardingParameterSlotIndex() < 0);
+
+        // Find a range in forwardedParams with numParams empty params in a row
+        int count = 0;
+        for (int i = 0; i < (int) forwardedParams.size(); ++i)
+        {
+            if (forwardedParams[i]->getParam() == nullptr)
+                count++;
+            else
+                count = 0;
+
+            if (count == numParams)
+            {
+                int startOffset = i + 1 - numParams;
+                setParameterRange (startOffset,
+                                   startOffset + numParams,
+                                   [&procParams, &proc, startOffset] (int index) -> chowdsp::ParameterForwardingInfo
+                                   {
+                                       auto* procParam = procParams[index - startOffset];
+
+                                       if (auto* paramCast = dynamic_cast<RangedAudioParameter*> (procParam))
+                                           return { paramCast, proc->getName() + ": " + paramCast->name };
+
+                                       jassertfalse;
+                                       return {};
+                                   });
+
+                const auto startSlot = startOffset / maxParameterCount;
+                const auto endSlot = ((startOffset + numParams) / maxParameterCount);
+                std::fill (paramSlotUsed + startSlot, paramSlotUsed + endSlot + 1, true);
+
+                return;
+            }
+        }
+    }
+
     if (auto slotIndex = proc->getForwardingParameterSlotIndex(); slotIndex >= 0)
     {
         jassert (! paramSlotUsed[slotIndex]);
@@ -108,17 +146,32 @@ void ParamForwardManager::processorRemoved (const BaseProcessor* proc)
         const auto startOffset = slotIndex * maxParameterCount;
         clearParameterRange (startOffset, startOffset + procParams.size());
     }
-    // else
-    // {
-    //     for (auto [index, param] : sst::cpputils::enumerate (forwardedParams))
-    //     {
-    //         if (auto* internalParam = param->getParam(); internalParam == procParams[0])
-    //         {
-    //             clearParameterRange ((int) index, (int) index + procParams.size());
-    //             break;
-    //         }
-    //     }
-    // }
+    else
+    {
+        for (auto [index, param] : sst::cpputils::enumerate (forwardedParams))
+        {
+            if (auto* internalParam = param->getParam(); internalParam == procParams[0])
+            {
+                clearParameterRange ((int) index, (int) index + procParams.size());
+                break;
+            }
+        }
+
+
+    }
+}
+
+void ParamForwardManager::setUsingLegacyMode (bool useLegacy)
+{
+    usingLegacyMode = useLegacy;
+    if (useLegacy)
+    {
+
+    }
+    else
+    {
+
+    }
 }
 
 void ParamForwardManager::deferHostNotificationsGlobalSettingChanged (SettingID settingID)
diff --git a/src/state/ParamForwardManager.h b/src/state/ParamForwardManager.h
index 85a984de..1346d13c 100644
--- a/src/state/ParamForwardManager.h
+++ b/src/state/ParamForwardManager.h
@@ -21,6 +21,8 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
 
     const RangedAudioParameter* getForwardedParameterFromInternal (const RangedAudioParameter& internalParameter) const;
 
+    void setUsingLegacyMode (bool useLegacy);
+
     static constexpr SettingID refreshParamTreeID = "refresh_param_tree"; // IOS+AUv3 only!
 
 private:
@@ -35,6 +37,7 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
     std::optional<ScopedForceDeferHostNotifications> deferHostNotifs {};
 
     bool paramSlotUsed[numParamSlots] {};
+    bool usingLegacyMode = false;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ParamForwardManager)
 };
diff --git a/src/state/StateManager.cpp b/src/state/StateManager.cpp
index 9db45a5d..00d9d1b8 100644
--- a/src/state/StateManager.cpp
+++ b/src/state/StateManager.cpp
@@ -39,7 +39,7 @@ std::unique_ptr<XmlElement> StateManager::saveState()
     return xml;
 }
 
-void StateManager::loadState (XmlElement* xmlState)
+void StateManager::loadState (XmlElement* xmlState, ParamForwardManager& paramForwardManager)
 {
     if (xmlState == nullptr) // invalid XML
         return;
@@ -69,9 +69,14 @@ void StateManager::loadState (XmlElement* xmlState)
     std::unique_ptr<WaitableEvent> waiter;
     if (pluginWrapperType != AudioProcessor::WrapperType::wrapperType_AAX)
         waiter = std::make_unique<WaitableEvent>();
-    procChain.getStateHelper().loadProcChain (procChainXml, pluginVersion, false, nullptr, waiter.get());
+    procChain.getStateHelper().loadProcChain (procChainXml,
+                                              pluginVersion,
+                                              false,
+                                              nullptr,
+                                              waiter.get(),
+                                              &paramForwardManager);
     if (waiter != nullptr)
-        waiter->wait (1000);
+        waiter->wait (5000);
 
     std::optional<MessageManagerLock> mml {};
     if (pluginWrapperType != AudioProcessor::WrapperType::wrapperType_AAX)
diff --git a/src/state/StateManager.h b/src/state/StateManager.h
index e6696ec8..7fd73bb2 100644
--- a/src/state/StateManager.h
+++ b/src/state/StateManager.h
@@ -2,6 +2,7 @@
 
 #include "processors/chain/ProcessorChain.h"
 
+class ParamForwardManager;
 class StateManager
 {
 public:
@@ -10,7 +11,7 @@ class StateManager
                   chowdsp::PresetManager& presetManager);
 
     std::unique_ptr<XmlElement> saveState();
-    void loadState (XmlElement* xml);
+    void loadState (XmlElement* xml, ParamForwardManager& paramForwardManager);
 
     auto& getUIState() { return uiState; }
 

From 43f88691bacd184deb01b51c4f009a57318267ec Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 04:30:21 -0800
Subject: [PATCH 03/11] More comprehensive tests

---
 CMakeLists.txt                                |   2 +-
 .../tests/ForwardingParamStabilityTest.cpp    | 107 ++++++++++----
 .../tests/OldParamForwardStates/test_0.txt    |   1 +
 .../tests/OldParamForwardStates/test_0.xml    | 133 +++++++++++++++++
 .../tests/OldParamForwardStates/test_1.txt    |   1 +
 .../tests/OldParamForwardStates/test_1.xml    | 124 ++++++++++++++++
 .../tests/OldParamForwardStates/test_2.txt    |   1 +
 .../tests/OldParamForwardStates/test_2.xml    | 130 ++++++++++++++++
 .../tests/OldParamForwardStates/test_3.txt    |   1 +
 .../tests/OldParamForwardStates/test_3.xml    | 139 ++++++++++++++++++
 .../tests/OldParamForwardStates/test_4.txt    |   1 +
 .../tests/OldParamForwardStates/test_4.xml    | 126 ++++++++++++++++
 .../tests/OldParamForwardStates/test_5.txt    |   1 +
 .../tests/OldParamForwardStates/test_5.xml    | 120 +++++++++++++++
 .../tests/OldParamForwardStates/test_6.txt    |   1 +
 .../tests/OldParamForwardStates/test_6.xml    | 127 ++++++++++++++++
 .../tests/OldParamForwardStates/test_7.txt    |   1 +
 .../tests/OldParamForwardStates/test_7.xml    | 129 ++++++++++++++++
 .../tests/OldParamForwardStates/test_8.txt    |   1 +
 .../tests/OldParamForwardStates/test_8.xml    | 130 ++++++++++++++++
 .../tests/OldParamForwardStates/test_9.txt    |   1 +
 .../tests/OldParamForwardStates/test_9.xml    | 131 +++++++++++++++++
 src/processors/drive/RONN.cpp                 |   4 +-
 src/state/ParamForwardManager.cpp             |  36 +++--
 24 files changed, 1409 insertions(+), 39 deletions(-)
 create mode 100644 src/headless/tests/OldParamForwardStates/test_0.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_0.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_1.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_1.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_2.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_2.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_3.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_3.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_4.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_4.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_5.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_5.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_6.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_6.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_7.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_7.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_8.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_8.xml
 create mode 100644 src/headless/tests/OldParamForwardStates/test_9.txt
 create mode 100644 src/headless/tests/OldParamForwardStates/test_9.xml

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 810a1c0e..deec7242 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "Minimum OS X deployment ta
 if(WIN32)
     set(CMAKE_SYSTEM_VERSION 7.1 CACHE STRING INTERNAL FORCE) # Windows SDK for Windows 7 and up
 endif()
-project(BYOD VERSION 1.2.1)
+project(BYOD VERSION 1.2.2)
 set(CMAKE_CXX_STANDARD 20)
 
 # Useful for testing with address sanitizer:
diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 84f65eaa..bd035e28 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -64,7 +64,7 @@ class ForwardingParamStabilityTest : public UnitTest
 #if JUCE_DEBUG
         for (int count = 0; count < 9;)
 #else
-        for (int count = 0; count < 101;)
+        for (int count = 0; count < 19;)
 #endif
         {
             auto& action = actions[rand.nextInt ((int) actions.size())];
@@ -115,6 +115,52 @@ class ForwardingParamStabilityTest : public UnitTest
 
     void testLegacyState (int i)
     {
+        /*
+        BYOD plugin;
+        auto* undoManager = plugin.getVTS().undoManager;
+        auto& procChain = plugin.getProcChain();
+
+        struct Action
+        {
+            String name;
+            std::function<bool()> action;
+        };
+
+        std::vector<Action> actions {
+            { "Add Processor", [&]
+              { return addProcessor (procChain, undoManager); } },
+        };
+
+        for (int count = 0; count < 9;)
+        {
+            auto& action = actions[rand.nextInt ((int) actions.size())];
+            if (action.action())
+            {
+                int timeUntilNextAction = rand.nextInt ({ 5, 500 });
+                juce::MessageManager::getInstance()->runDispatchLoopUntil (timeUntilNextAction);
+                count++;
+            }
+        }
+
+        auto& forwardingParams = plugin.getParamForwarder().getForwardedParameters();
+        juce::StringArray paramNames {};
+        for (auto [idx, param] : chowdsp::enumerate (forwardingParams))
+        {
+            if (auto* forwardedParam = param->getParam())
+                paramNames.add (forwardedParam->getName (1024).toStdString());
+            else
+                paramNames.add ("EMPTY");
+        }
+
+        juce::MemoryBlock state;
+        plugin.getStateInformation (state);
+
+        const auto file = juce::File { "test_" + juce::String { i } };
+        file.withFileExtension ("txt").replaceWithText (paramNames.joinIntoString (","));
+
+        plugin.getXmlFromBinary (state.getData(), state.getSize())->writeToFile (file.withFileExtension ("xml"), "");
+        */
+
         const auto [stateFile, paramsFile] = [i]
         {
             auto rootDir = File::getSpecialLocation (File::currentExecutableFile);
@@ -153,39 +199,50 @@ class ForwardingParamStabilityTest : public UnitTest
                               "Parameter name mismatch");
             }
         }
+
+        for (int i = 0; i < 20; ++i)
+            removeProcessor (plugin.getProcChain());
+        jassert (plugin.getProcChain().getProcessors().size() == 0);
+
+        addProcessor (plugin.getProcChain(), &plugin.getUndoManager());
+        auto* ip = reinterpret_cast<juce::RangedAudioParameter*> (plugin.getProcChain().getProcessors()[0]->getParameters()[0]);
+
+        const auto& paramForwarder = plugin.getParamForwarder();
+        expect (paramForwarder.getForwardedParameterFromInternal (*ip) == paramForwarder.getForwardedParameters()[0],
+                "Newly added parameter is not in the first parameter slot!");
     }
 
     void runTest() override
     {
-//         beginTest ("Check Max Parameter Count");
-//         runTestForAllProcessors (
-//             this,
-//             [this] (BaseProcessor* proc)
-//             {
-//                 expectLessThan (proc->getParameters().size(),
-//                                 ParamForwardManager::maxParameterCount,
-//                                 "");
-//             },
-//             {},
-//             false);
-//
-//         beginTest ("Forwarding Parameter Stability Test");
-//         rand = Random { 1245 };
-// #if JUCE_DEBUG
-//         for (int i = 0; i < 1; ++i)
-// #else
-//         for (int i = 0; i < 10; ++i)
-// #endif
-//         {
-//             const auto [paramNames, state] = runPlugin();
-//             testPlugin (paramNames, state);
-//         }
+        beginTest ("Check Max Parameter Count");
+        runTestForAllProcessors (
+            this,
+            [this] (BaseProcessor* proc)
+            {
+                expectLessThan (proc->getParameters().size(),
+                                ParamForwardManager::maxParameterCount,
+                                "");
+            },
+            {},
+            false);
+
+        beginTest ("Forwarding Parameter Stability Test");
+        rand = Random { 1245 };
+#if JUCE_DEBUG
+        for (int i = 0; i < 1; ++i)
+#else
+        for (int i = 0; i < 10; ++i)
+#endif
+        {
+            const auto [paramNames, state] = runPlugin();
+            testPlugin (paramNames, state);
+        }
 
         beginTest ("Legacy Forwarding Parameter Compatibility Test");
 #if JUCE_DEBUG
         for (int i = 0; i < 1; ++i)
 #else
-        for (int i = 0; i < 10; ++i)
+        for (int i = 0; i < 5; ++i)
 #endif
         {
             testLegacyState (i);
diff --git a/src/headless/tests/OldParamForwardStates/test_0.txt b/src/headless/tests/OldParamForwardStates/test_0.txt
new file mode 100644
index 00000000..df41fac6
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_0.txt
@@ -0,0 +1 @@
+On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Gain,Level,Mode,On/Off,Bipolar,On/Off,Cutoff,Resonance,Damping,Mod.Depth,On/Off,Fuzz,Mode,Volume,On/Off,Cutoff,Resonance,Drive,Mod.Depth,Bass Boost,On/Off,Gain,Extended Gain,Invert,Extend,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,Rate,Depth,Feedback,Modulation,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_0.xml b/src/headless/tests/OldParamForwardStates/test_0.xml
new file mode 100644
index 00000000..d1dae8db
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_0.xml
@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Diode_Clipper>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="cutoff" value="5000.0009765625"/>
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Diode_Clipper>
+    <Centaur>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain" value="0.5"/>
+        <PARAM id="level" value="0.5"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R1="10000.0" R2="1.0e6" R5="1000.0" R6="10000.0" R7="1500.0"
+                          R8="1500.0" R9="1000.0" R10="2000.0" R11="15000.0" R12="422000.0"
+                          R13="1000.0" R15="22000.0" R16="47000.0" R18="12000.0" R19="15000.0"
+                          R20="392000.0" C1="1.000000011686097e-7" C3="1.000000011686097e-7"
+                          C4="6.799999852091787e-8" C5="6.799999852091787e-8" C6="3.899999967416079e-7"
+                          C7="8.199999967928306e-8" C8="3.900000045131691e-10" C9="9.999999974752427e-7"
+                          C10="9.999999974752427e-7" C11="2.199999959984211e-9" C12="2.700000045763318e-8"
+                          C13="8.20000012335953e-10" C16="9.999999974752427e-7"/>
+      </Parameters>
+    </Centaur>
+    <MIDI_Modulator>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1" midi_map_cc="1">
+        <PARAM id="bipolar" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </MIDI_Modulator>
+    <Poly-M>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="freq" value="1000.000183105469"/>
+        <PARAM id="k1" value="0.5"/>
+        <PARAM id="k2" value="0.0"/>
+        <PARAM id="mod_depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Poly-M>
+    <Fuzz_Machine>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="fuzz" value="0.5"/>
+        <PARAM id="model" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="vol" value="0.5"/>
+      </Parameters>
+    </Fuzz_Machine>
+    <SV-SVF>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass_boost" value="1.0"/>
+        <PARAM id="drive" value="0.0"/>
+        <PARAM id="freq" value="1000.000183105469"/>
+        <PARAM id="mod_depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="res" value="0.5"/>
+      </Parameters>
+    </SV-SVF>
+    <Clean_Gain>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="extend" value="0.0"/>
+        <PARAM id="gain" value="0.0"/>
+        <PARAM id="gain_extended" value="0.0"/>
+        <PARAM id="invert" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Clean_Gain>
+    <Chorus>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Chorus>
+    <Phaser8>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="feedback" value="0.75"/>
+        <PARAM id="modulation" value="0.75"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+      </Parameters>
+    </Phaser8>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_1.txt b/src/headless/tests/OldParamForwardStates/test_1.txt
new file mode 100644
index 00000000..e0393227
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_1.txt
@@ -0,0 +1 @@
+On/Off,Boost,On/Off,Rate,Depth,Feedback,Modulation,On/Off,Bass,Treble,Drive,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,Voice,Gain,On/Off,Gain,On/Off,Fuzz,Mode,Volume,On/Off,Drive,Mode,On/Off,Cutoff,Resonance,Drive,Mod.Depth,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_1.xml b/src/headless/tests/OldParamForwardStates/test_1.xml
new file mode 100644
index 00000000..4d3a6c83
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_1.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Treble_Booster>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="boost" value="0.25"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R21="1800.0" R22="100000.0" R23="4700.0" R24="100000.0" C14="3.899999878598237e-9"/>
+      </Parameters>
+    </Treble_Booster>
+    <Phaser8>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="feedback" value="0.75"/>
+        <PARAM id="modulation" value="0.75"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+      </Parameters>
+    </Phaser8>
+    <Swinger_Pre>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.5"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.5"/>
+      </Parameters>
+    </Swinger_Pre>
+    <Chorus>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Chorus>
+    <Yen_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="voice" value="0.5"/>
+        <circuit_elements R4="470000.0" C3="4.700000033608376e-7" C4="1.000000013351432e-10"
+                          C5="1.000000011686097e-7"/>
+      </Parameters>
+    </Yen_Drive>
+    <Metal_Face>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain" value="-12.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Metal_Face>
+    <Fuzz_Machine>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="fuzz" value="0.5"/>
+        <PARAM id="model" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="vol" value="0.5"/>
+      </Parameters>
+    </Fuzz_Machine>
+    <Tone_King>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="mode" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R4="1.0e6" R6="10000.0" R7="33000.0" R8="27000.0" R9="10000.0"
+                          R10="220000.0" R11="6800.0" R12="1000.0" C3="9.99999993922529e-9"
+                          C4="1.000000013351432e-10" C5="9.99999993922529e-9" C6="9.99999993922529e-9"
+                          C7="1.000000011686097e-7"/>
+      </Parameters>
+    </Tone_King>
+    <Vogue_Ladder>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.0"/>
+        <PARAM id="freq" value="1000.000183105469"/>
+        <PARAM id="k_val" value="0.5"/>
+        <PARAM id="mod_depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Vogue_Ladder>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_2.txt b/src/headless/tests/OldParamForwardStates/test_2.txt
new file mode 100644
index 00000000..03a4f441
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_2.txt
@@ -0,0 +1 @@
+On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Clean,On/Off,Drive,Prescence,On/Off,Rate,Depth,Stereo,On/Off,Tracking,Cutoff,Mix,On/Off,Gain,Diodes,# Diodes,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,On/Off,Rate,Wave,Depth,Stereo,V1 Wave,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_2.xml b/src/headless/tests/OldParamForwardStates/test_2.xml
new file mode 100644
index 00000000..6fe84009
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_2.xml
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Gate>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="hold" value="200.0000152587891"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="399.9999389648438"/>
+        <PARAM id="thresh" value="-35.0"/>
+      </Parameters>
+    </Gate>
+    <Envelope_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="filter_type" value="0.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="freq_mod" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="res" value="0.5"/>
+        <PARAM id="sense" value="0.5"/>
+        <PARAM id="speed" value="0.5"/>
+      </Parameters>
+    </Envelope_Filter>
+    <Bass_Cleaner>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="clean" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R4="3300.0" C3="9.999999974752427e-7" C4="4.700000033608376e-8"/>
+      </Parameters>
+    </Bass_Cleaner>
+    <JK_Amp>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="prescence" value="0.0"/>
+      </Parameters>
+    </JK_Amp>
+    <Rotary>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="1.0"/>
+        <PARAM id="stereo" value="0.0"/>
+      </Parameters>
+    </Rotary>
+    <Octaver>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="cutoff" value="2000.0"/>
+        <PARAM id="mix" value="0.75"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="tracking" value="650.0"/>
+      </Parameters>
+    </Octaver>
+    <Tube_Screamer>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="gain" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R4="4700.0" R5="10000.0" C2="9.999999974752427e-7" C3="4.700000033608376e-8"
+                          C4="5.099999936253319e-11"/>
+      </Parameters>
+    </Tube_Screamer>
+    <Compressor>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="knee" value="6.0"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="ratio" value="2.0"/>
+        <PARAM id="release" value="99.99999237060547"/>
+        <PARAM id="thresh" value="0.0"/>
+      </Parameters>
+    </Compressor>
+    <Tremolo>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="10.0"/>
+        <PARAM id="stereo" value="0.0"/>
+        <PARAM id="v1_wave" value="0.0"/>
+        <PARAM id="wave" value="0.5"/>
+      </Parameters>
+    </Tremolo>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_3.txt b/src/headless/tests/OldParamForwardStates/test_3.txt
new file mode 100644
index 00000000..1b1611da
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_3.txt
@@ -0,0 +1 @@
+On/Off,Gain,Diodes,# Diodes,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Clean,On/Off,Rate,Feedback,Freq,Range,Stages,Stereo,On/Off,Rate,Amount,Offset,Feedback,Mix,Delay Type,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_3.xml b/src/headless/tests/OldParamForwardStates/test_3.xml
new file mode 100644
index 00000000..eab9e85f
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_3.xml
@@ -0,0 +1,139 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Tube_Screamer>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="gain" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R4="4700.0" R5="10000.0" C2="9.999999974752427e-7" C3="4.700000033608376e-8"
+                          C4="5.099999936253319e-11"/>
+      </Parameters>
+    </Tube_Screamer>
+    <Envelope_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="filter_type" value="0.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="freq_mod" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="res" value="0.5"/>
+        <PARAM id="sense" value="0.5"/>
+        <PARAM id="speed" value="0.5"/>
+      </Parameters>
+    </Envelope_Filter>
+    <Gate>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="hold" value="200.0000152587891"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="399.9999389648438"/>
+        <PARAM id="thresh" value="-35.0"/>
+      </Parameters>
+    </Gate>
+    <Bass_Cleaner>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="clean" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <circuit_elements R4="3300.0" C3="9.999999974752427e-7" C4="4.700000033608376e-8"/>
+      </Parameters>
+    </Bass_Cleaner>
+    <Opto_Phase>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="feedback" value="0.5"/>
+        <PARAM id="freq" value="330.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="range" value="0.5"/>
+        <PARAM id="rate" value="1.0"/>
+        <PARAM id="stages" value="1.0"/>
+        <PARAM id="stereo" value="0.0"/>
+      </Parameters>
+    </Opto_Phase>
+    <Flanger>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="delayAmount" value="1.99999988079071"/>
+        <PARAM id="delayOffset" value="1.000000238418579"/>
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Flanger>
+    <Crying_Child>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="0.9999999403953552"/>
+        <PARAM id="control_freq" value="0.5"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="25.00000381469727"/>
+      </Parameters>
+    </Crying_Child>
+    <Crying_Child>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="0.9999999403953552"/>
+        <PARAM id="control_freq" value="0.5"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="25.00000381469727"/>
+      </Parameters>
+    </Crying_Child>
+    <Compressor>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="knee" value="6.0"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="ratio" value="2.0"/>
+        <PARAM id="release" value="99.99999237060547"/>
+        <PARAM id="thresh" value="0.0"/>
+      </Parameters>
+    </Compressor>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_4.txt b/src/headless/tests/OldParamForwardStates/test_4.txt
new file mode 100644
index 00000000..318ef5cf
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_4.txt
@@ -0,0 +1 @@
+On/Off,Input,Output,Ratio,Speed,Opto,Mode,On/Off,Cutoff,Resonance,Damping,Mod.Depth,On/Off,Rate,Depth,Feedback,Mix,FB Stage,Stereo,On/Off,Drive,# Stages,On/Off,Saturation,Drive,Width,On/Off,Modulation,Modulation +/-,Bipolar,On/Off,Range,Boost,High Quality,On/Off,Mode,On/Off,Rate,Wave,Depth,Stereo,V1 Wave,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_4.xml b/src/headless/tests/OldParamForwardStates/test_4.xml
new file mode 100644
index 00000000..8aacb1e9
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_4.xml
@@ -0,0 +1,126 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Opto_Comp>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="input_gain" value="0.0"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="opto" value="0.5"/>
+        <PARAM id="output_gain" value="0.0"/>
+        <PARAM id="ratio" value="2.0"/>
+        <PARAM id="speed" value="0.5"/>
+      </Parameters>
+    </Opto_Comp>
+    <Poly-M>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="freq" value="1000.000183105469"/>
+        <PARAM id="k1" value="0.5"/>
+        <PARAM id="k2" value="0.0"/>
+        <PARAM id="mod_depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Poly-M>
+    <Phaser4>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="fb_stage" value="0.0"/>
+        <PARAM id="feedback" value="0.6000000238418579"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+        <PARAM id="stereo" value="0.0"/>
+        <circuit_elements R6="24000.0" C1="4.700000033608376e-8"/>
+      </Parameters>
+    </Phaser4>
+    <Waterfall_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="n_stages" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Waterfall_Drive>
+    <Hysteresis>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="sat" value="0.5"/>
+        <PARAM id="width" value="0.5"/>
+      </Parameters>
+    </Hysteresis>
+    <Param_Modulator>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bipolar_mod" value="0.0"/>
+        <PARAM id="bipolar_mode" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="unipolar_mod" value="0.0"/>
+      </Parameters>
+    </Param_Modulator>
+    <Range_Booster>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="boost" value="0.0"/>
+        <PARAM id="high_q" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="range" value="2600.0"/>
+      </Parameters>
+    </Range_Booster>
+    <Stereo_Splitter>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Stereo_Splitter>
+    <Tremolo>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="10.0"/>
+        <PARAM id="stereo" value="0.0"/>
+        <PARAM id="v1_wave" value="0.0"/>
+        <PARAM id="wave" value="0.5"/>
+      </Parameters>
+    </Tremolo>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_5.txt b/src/headless/tests/OldParamForwardStates/test_5.txt
new file mode 100644
index 00000000..28207476
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_5.txt
@@ -0,0 +1 @@
+On/Off,Bass,Mids,Treble,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,On/Off,Drive,Level,Stages,On/Off,Bass,Tilt,Treble,On/Off,Bass,Middle,Treble,On/Off,Bass,Mids,Treble,On/Off,Cutoff,On/Off,Drive,Color,On/Off,Drive,Color,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_5.xml b/src/headless/tests/OldParamForwardStates/test_5.xml
new file mode 100644
index 00000000..74db9e74
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_5.xml
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+      </Parameters>
+    </Blonde_Tone>
+    <Compressor>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="knee" value="6.0"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="ratio" value="2.0"/>
+        <PARAM id="release" value="99.99999237060547"/>
+        <PARAM id="thresh" value="0.0"/>
+      </Parameters>
+    </Compressor>
+    <Trumble_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="level" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="stages" value="0.0"/>
+      </Parameters>
+    </Trumble_Drive>
+    <Bassman_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="1.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+        <circuit_elements R4="56000.0" C1="2.499999929295171e-10" C2="1.999999987845058e-8"
+                          C3="1.999999987845058e-8"/>
+      </Parameters>
+    </Bassman_Tone>
+    <Trainer_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.5"/>
+        <PARAM id="middle" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.5"/>
+      </Parameters>
+    </Trainer_Tone>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+      </Parameters>
+    </Blonde_Tone>
+    <High_Cut>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="cutoff" value="5000.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </High_Cut>
+    <Stinger_Fuzz>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="color" value="0.5"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Stinger_Fuzz>
+    <Stinger_Fuzz>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="color" value="0.5"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Stinger_Fuzz>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_6.txt b/src/headless/tests/OldParamForwardStates/test_6.txt
new file mode 100644
index 00000000..1f6098b0
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_6.txt
@@ -0,0 +1 @@
+On/Off,On/Off,Size,Decay,Refl.,Spin,Damp,Chaos,Shake,Mix,On/Off,Bass,Tilt,Treble,On/Off,Shift,Feedback,Spread,Mix,Mode,On/Off,On/Off,Rate,Depth,On/Off,Freq.,Q,Mode,Multi-Mode,Mode,On/Off,Distortion,Volume,On/Off,Cutoff,Resonance,Damping,Mod.Depth,Mode,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_6.xml b/src/headless/tests/OldParamForwardStates/test_6.xml
new file mode 100644
index 00000000..cf5d85e7
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_6.xml
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Tuner>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Tuner>
+    <Spring_Reverb>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="chaos" value="0.0"/>
+        <PARAM id="damping" value="0.5"/>
+        <PARAM id="decay" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="reflect" value="0.5"/>
+        <PARAM id="shake" value="0.0"/>
+        <PARAM id="size" value="0.5"/>
+        <PARAM id="spin" value="0.5"/>
+      </Parameters>
+    </Spring_Reverb>
+    <Bassman_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="1.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+        <circuit_elements R4="56000.0" C1="2.499999929295171e-10" C2="1.999999987845058e-8"
+                          C3="1.999999987845058e-8"/>
+      </Parameters>
+    </Bassman_Tone>
+    <Laser_Trem>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="1.0"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="shift" value="0.0"/>
+        <PARAM id="spread" value="0.5"/>
+      </Parameters>
+    </Laser_Trem>
+    <Oscilloscope>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Oscilloscope>
+    <Waterfall_Trem.>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Waterfall_Trem.>
+    <SVF>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="freq" value="8000.0009765625"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="multi_mode" value="1.0"/>
+        <PARAM id="multi_mode_type" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="q_value" value="0.707099974155426"/>
+      </Parameters>
+    </SVF>
+    <Mouse_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="distortion" value="0.75"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="volume" value="0.75"/>
+        <circuit_elements R2="1.0e6" R3="1000.0" R4="47.0" R5="560.0" R6="1000.0" C1="2.200000004393132e-8"
+                          C2="9.999999717180685e-10" C4="1.000000013351432e-10" C5="2.199999926233431e-6"
+                          C6="4.699999863078119e-6" C7="4.699999863078119e-6"/>
+      </Parameters>
+    </Mouse_Drive>
+    <RAM_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="damp" value="0.0"/>
+        <PARAM id="freq" value="1000.000183105469"/>
+        <PARAM id="mod_depth" value="0.5"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="res" value="0.5"/>
+      </Parameters>
+    </RAM_Filter>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_7.txt b/src/headless/tests/OldParamForwardStates/test_7.txt
new file mode 100644
index 00000000..62accf44
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_7.txt
@@ -0,0 +1 @@
+On/Off,Rate,Depth,On/Off,Rate,Depth,On/Off,Bass,Mids,Treble,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Rate,Depth,Feedback,Modulation,On/Off,+0 Oct,+1 Oct,+2 Oct,On/Off,Drive,Level,Stages,On/Off,Rate,Feedback,Freq,Range,Stages,Stereo,On/Off,Rate,Depth,Feedback,Mix,FB Stage,Stereo,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_7.xml b/src/headless/tests/OldParamForwardStates/test_7.xml
new file mode 100644
index 00000000..568c8dcb
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_7.xml
@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Waterfall_Trem.>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Waterfall_Trem.>
+    <Waterfall_Trem.>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Waterfall_Trem.>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+      </Parameters>
+    </Blonde_Tone>
+    <Envelope_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="filter_type" value="0.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="freq_mod" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="res" value="0.5"/>
+        <PARAM id="sense" value="0.5"/>
+        <PARAM id="speed" value="0.5"/>
+      </Parameters>
+    </Envelope_Filter>
+    <Phaser8>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="feedback" value="0.75"/>
+        <PARAM id="modulation" value="0.75"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+      </Parameters>
+    </Phaser8>
+    <Poly_Octave>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="dry" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="up2_octave" value="0.0"/>
+        <PARAM id="up_octave" value="0.0"/>
+      </Parameters>
+    </Poly_Octave>
+    <Trumble_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="level" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="stages" value="0.0"/>
+      </Parameters>
+    </Trumble_Drive>
+    <Opto_Phase>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="feedback" value="0.5"/>
+        <PARAM id="freq" value="330.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="range" value="0.5"/>
+        <PARAM id="rate" value="1.0"/>
+        <PARAM id="stages" value="1.0"/>
+        <PARAM id="stereo" value="0.0"/>
+      </Parameters>
+    </Opto_Phase>
+    <Phaser4>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="fb_stage" value="0.0"/>
+        <PARAM id="feedback" value="0.6000000238418579"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+        <PARAM id="stereo" value="0.0"/>
+        <circuit_elements R6="24000.0" C1="4.700000033608376e-8"/>
+      </Parameters>
+    </Phaser4>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_8.txt b/src/headless/tests/OldParamForwardStates/test_8.txt
new file mode 100644
index 00000000..ea000869
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_8.txt
@@ -0,0 +1 @@
+On/Off,Downsample,Anti-Alias,Bits,Smooth,Mix,On/Off,Speed,Intensity,# Stages,Stereo,Mix,On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Bias,On/Off,Gain,Harm.,Smooth,+Clip,-Clip,Level,High Quality,On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Fuzz,Mode,Volume,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Bass,Middle,Treble,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_8.xml b/src/headless/tests/OldParamForwardStates/test_8.xml
new file mode 100644
index 00000000..117aeefc
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_8.xml
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Krusher>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="antialias" value="0.0"/>
+        <PARAM id="bit_depth" value="12.0"/>
+        <PARAM id="bit_reduction_filter" value="1.0"/>
+        <PARAM id="mix" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="sample_rate" value="48000.0"/>
+      </Parameters>
+    </Krusher>
+    <Solo-Vibe>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="intensity" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="num_stages" value="4.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="speed" value="5.0"/>
+        <PARAM id="stereo" value="0.0"/>
+      </Parameters>
+    </Solo-Vibe>
+    <Diode_Rectifier>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="cutoff" value="5000.0009765625"/>
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Diode_Rectifier>
+    <DC_Bias>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bias" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </DC_Bias>
+    <Muff_Clipper>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="clip1" value="0.0"/>
+        <PARAM id="clip2" value="0.0"/>
+        <PARAM id="harmonics" value="0.6499999761581421"/>
+        <PARAM id="high_q" value="1.0"/>
+        <PARAM id="level" value="0.6499999761581421"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="smoothing" value="0.0"/>
+        <PARAM id="sustain" value="0.5"/>
+      </Parameters>
+    </Muff_Clipper>
+    <Gate>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="10.0"/>
+        <PARAM id="hold" value="200.0000152587891"/>
+        <PARAM id="makeup" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="399.9999389648438"/>
+        <PARAM id="thresh" value="-35.0"/>
+      </Parameters>
+    </Gate>
+    <Fuzz_Machine>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="fuzz" value="0.5"/>
+        <PARAM id="model" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="vol" value="0.5"/>
+      </Parameters>
+    </Fuzz_Machine>
+    <Crying_Child>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="attack" value="0.9999999403953552"/>
+        <PARAM id="control_freq" value="0.5"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="release" value="25.00000381469727"/>
+      </Parameters>
+    </Crying_Child>
+    <Trainer_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.5"/>
+        <PARAM id="middle" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.5"/>
+      </Parameters>
+    </Trainer_Tone>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_9.txt b/src/headless/tests/OldParamForwardStates/test_9.txt
new file mode 100644
index 00000000..7befd3fe
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_9.txt
@@ -0,0 +1 @@
+On/Off,Bass,Mids,Treble,On/Off,Gain,Speed,Drive,Low Cut,Forbidden Mode,On/Off,Channel 1,Channel 2,Channel 3,Channel 4,On/Off,Shift,Size,Decay,Mix,On/Off,Speed,Intensity,# Stages,Stereo,Mix,On/Off,Freq.,Q,Mode,Multi-Mode,Mode,On/Off,Channel 1,Channel 2,Channel 3,Channel 4,On/Off,Shift,Size,Decay,Mix,On/Off,Gain,Random Seed,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_9.xml b/src/headless/tests/OldParamForwardStates/test_9.xml
new file mode 100644
index 00000000..6ee6847d
--- /dev/null
+++ b/src/headless/tests/OldParamForwardStates/test_9.xml
@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<state state_plugin_version="1.2.1">
+  <Parameters>
+    <PARAM id="dry_wet" value="1.0"/>
+    <PARAM id="in_gain" value="0.0"/>
+    <PARAM id="mono_mode" value="0.0"/>
+    <PARAM id="os_factor" value="1.0"/>
+    <PARAM id="os_mode" value="0.0"/>
+    <PARAM id="os_render_factor" value="1.0"/>
+    <PARAM id="os_render_like_realtime" value="1.0"/>
+    <PARAM id="os_render_mode" value="0.0"/>
+    <PARAM id="out_gain" value="0.0"/>
+  </Parameters>
+  <proc_chain>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+      </Parameters>
+    </Blonde_Tone>
+    <Pandora_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="drive" value="0.75"/>
+        <PARAM id="forbidden" value="0.0"/>
+        <PARAM id="gain" value="0.0"/>
+        <PARAM id="low_cut" value="144.0000152587891"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="speed" value="0.5"/>
+        <circuit_elements R4="43000.0" R5="240.0" R6="47.0" R7="560.0" R8="1100.0" C5="9.999999717180685e-10"
+                          C6="1.000000013351432e-10" C8="4.699999863078119e-6" C9="2.199999926233431e-6"
+                          C10="4.699999863078119e-6"/>
+      </Parameters>
+    </Pandora_Drive>
+    <Mixer>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain0" value="0.0"/>
+        <PARAM id="gain1" value="0.0"/>
+        <PARAM id="gain2" value="0.0"/>
+        <PARAM id="gain3" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Mixer>
+    <Shimmer_Reverb>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="feedback" value="1.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="shift" value="-12.0"/>
+        <PARAM id="size" value="1.0"/>
+      </Parameters>
+    </Shimmer_Reverb>
+    <Solo-Vibe>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="intensity" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="num_stages" value="4.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="speed" value="5.0"/>
+        <PARAM id="stereo" value="0.0"/>
+      </Parameters>
+    </Solo-Vibe>
+    <SVF>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="freq" value="8000.0009765625"/>
+        <PARAM id="mode" value="0.0"/>
+        <PARAM id="multi_mode" value="1.0"/>
+        <PARAM id="multi_mode_type" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="q_value" value="0.707099974155426"/>
+      </Parameters>
+    </SVF>
+    <Mixer>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain0" value="0.0"/>
+        <PARAM id="gain1" value="0.0"/>
+        <PARAM id="gain2" value="0.0"/>
+        <PARAM id="gain3" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Mixer>
+    <Shimmer_Reverb>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="feedback" value="1.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="shift" value="-12.0"/>
+        <PARAM id="size" value="1.0"/>
+      </Parameters>
+    </Shimmer_Reverb>
+    <RONN>
+      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+        <PARAM id="gain_db" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="seed" value="0.0"/>
+      </Parameters>
+    </RONN>
+    <Input>
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+      <port_0 connection_0="-1" connection_end_0="0"/>
+    </Input>
+    <Output>
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Output>
+  </proc_chain>
+  <Preset_State preset_dirty="1">
+    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
+            preset_file="">
+      <proc_chain>
+        <Input>
+          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
+            <PARAM id="on_off" value="1.0"/>
+          </Parameters>
+          <port_0 connection_0="-1" connection_end_0="0"/>
+        </Input>
+        <Output>
+          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
+            <PARAM id="on_off"/>
+          </Parameters>
+        </Output>
+      </proc_chain>
+      <extra_info/>
+    </Preset>
+  </Preset_State>
+</state>
diff --git a/src/processors/drive/RONN.cpp b/src/processors/drive/RONN.cpp
index 8c7f2ea7..70078fd3 100644
--- a/src/processors/drive/RONN.cpp
+++ b/src/processors/drive/RONN.cpp
@@ -127,7 +127,7 @@ void RONN::parameterChanged (const String& parameterID, float newValue)
         return;
 
     auto seedIdx = int (newValue);
-    // reloadModel (RONNRandom::randomSeeds[seedIdx]);
+    reloadModel (RONNRandom::randomSeeds[seedIdx]);
     needsPrebuffering = true;
 }
 
@@ -198,7 +198,7 @@ void RONN::prepare (double sampleRate, int samplesPerBlock)
     dcBlocker.prepare (sampleRate, samplesPerBlock);
 
     maxBlockSize = samplesPerBlock;
-    // doPrebuffering();
+    doPrebuffering();
 }
 
 void RONN::doPrebuffering()
diff --git a/src/state/ParamForwardManager.cpp b/src/state/ParamForwardManager.cpp
index 16140cc5..34885370 100644
--- a/src/state/ParamForwardManager.cpp
+++ b/src/state/ParamForwardManager.cpp
@@ -139,39 +139,53 @@ void ParamForwardManager::processorAdded (BaseProcessor* proc)
 void ParamForwardManager::processorRemoved (const BaseProcessor* proc)
 {
     auto& procParams = proc->getParameters();
+    const auto numParams = procParams.size();
 
     if (const auto slotIndex = proc->getForwardingParameterSlotIndex(); slotIndex >= 0)
     {
         paramSlotUsed[slotIndex] = false;
         const auto startOffset = slotIndex * maxParameterCount;
-        clearParameterRange (startOffset, startOffset + procParams.size());
+        clearParameterRange (startOffset, startOffset + numParams);
     }
     else
     {
+        int startIndex = -1;
         for (auto [index, param] : sst::cpputils::enumerate (forwardedParams))
         {
             if (auto* internalParam = param->getParam(); internalParam == procParams[0])
             {
-                clearParameterRange ((int) index, (int) index + procParams.size());
+                startIndex = static_cast<int> (index);
+                clearParameterRange (startIndex, startIndex + numParams);
                 break;
             }
         }
 
-
+        if (startIndex >= 0)
+        {
+            const auto startSlot = startIndex / maxParameterCount;
+            const auto endSlot = ((startIndex + numParams) / maxParameterCount);
+            for (int checkSlotIndex = startSlot; checkSlotIndex <= endSlot; ++checkSlotIndex)
+            {
+                bool slotUsed = false;
+                for (int i = checkSlotIndex * maxParameterCount; i < (checkSlotIndex + 1) * maxParameterCount; ++i)
+                {
+                    if (forwardedParams[i]->getParam() != nullptr)
+                    {
+                        slotUsed = true;
+                        break;
+                    }
+                }
+
+                if (! slotUsed)
+                    paramSlotUsed[checkSlotIndex] = false;
+            }
+        }
     }
 }
 
 void ParamForwardManager::setUsingLegacyMode (bool useLegacy)
 {
     usingLegacyMode = useLegacy;
-    if (useLegacy)
-    {
-
-    }
-    else
-    {
-
-    }
 }
 
 void ParamForwardManager::deferHostNotificationsGlobalSettingChanged (SettingID settingID)

From 746c25139b1f34644899966eb0ace0c7ebd0c02a Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 11:38:56 -0800
Subject: [PATCH 04/11] Trying to fix test failures

---
 .../tests/ForwardingParamStabilityTest.cpp    | 66 ++++++++++++++++++-
 1 file changed, 65 insertions(+), 1 deletion(-)

diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index bd035e28..ce041d0e 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -2,6 +2,70 @@
 #include "processors/chain/ProcessorChainActionHelper.h"
 #include "state/ParamForwardManager.h"
 
+#include "processors/drive/BlondeDrive.h"
+#include "processors/drive/RangeBooster.h"
+#include "processors/drive/Warp.h"
+#include "processors/drive/big_muff/BigMuffDrive.h"
+#include "processors/drive/diode_circuits/DiodeClipper.h"
+#include "processors/drive/diode_circuits/DiodeRectifier.h"
+#include "processors/drive/flapjack/Flapjack.h"
+#include "processors/drive/zen_drive/ZenDrive.h"
+#include "processors/tone/BassCleaner.h"
+#include "processors/tone/BigMuffTone.h"
+#include "processors/tone/BlondeTone.h"
+#include "processors/tone/GraphicEQ.h"
+#include "processors/tone/HighCut.h"
+#include "processors/tone/LofiIrs.h"
+#include "processors/tone/ladder_filter/LadderFilterProcessor.h"
+#include "processors/tone/tube_screamer_tone/TubeScreamerTone.h"
+#include "processors/modulation/Chorus.h"
+#include "processors/modulation/Rotary.h"
+#include "processors/modulation/Tremolo.h"
+#include "processors/modulation/phaser/Phaser4.h"
+#include "processors/modulation/phaser/Phaser8.h"
+#include "processors/modulation/scanner_vibrato/ScannerVibrato.h"
+#include "processors/modulation/uni_vibe/UniVibe.h"
+#include "processors/other/Compressor.h"
+#include "processors/other/Delay.h"
+#include "processors/other/EnvelopeFilter.h"
+#include "processors/other/spring_reverb/SpringReverbProcessor.h"
+
+template <typename ProcType>
+static std::unique_ptr<BaseProcessor> processorFactory (UndoManager* um)
+{
+    return std::make_unique<ProcType> (um);
+}
+
+ProcessorStore::StoreMap minimalStore = {
+    { "Blonde Drive", { &processorFactory<BlondeDrive>, { ProcessorType::Drive, 1, 1 } } },
+    { "Diode Clipper", { &processorFactory<DiodeClipper>, { ProcessorType::Drive, 1, 1 } } },
+    { "Diode Rectifier", { &processorFactory<DiodeRectifier>, { ProcessorType::Drive, 1, 1 } } },
+    { "Flapjack", { &processorFactory<Flapjack>, { ProcessorType::Drive, 1, 1 } } },
+    { "Muff Drive", { &processorFactory<BigMuffDrive>, { ProcessorType::Drive, 1, 1 } } },
+    { "Range Booster", { &processorFactory<RangeBooster>, { ProcessorType::Drive, 1, 1 } } },
+    { "Warp", { &processorFactory<Warp>, { ProcessorType::Drive, 1, 1 } } },
+    { "Yen Drive", { &processorFactory<ZenDrive>, { ProcessorType::Drive, 1, 1 } } },
+    { "Bass Cleaner", { &processorFactory<BassCleaner>, { ProcessorType::Tone, 1, 1 } } },
+    { "Blonde Tone", { &processorFactory<BlondeTone>, { ProcessorType::Tone, 1, 1 } } },
+    { "Graphic EQ", { &processorFactory<GraphicEQ>, { ProcessorType::Tone, 1, 1 } } },
+    { "High Cut", { &processorFactory<HighCut>, { ProcessorType::Tone, 1, 1 } } },
+    { "LoFi IRs", { &processorFactory<LofiIrs>, { ProcessorType::Tone, 1, 1 } } },
+    { "Muff Tone", { &processorFactory<BigMuffTone>, { ProcessorType::Tone, 1, 1 } } },
+    { "TS-Tone", { &processorFactory<TubeScreamerTone>, { ProcessorType::Tone, 1, 1 } } },
+    { "Ladder Filter", { &processorFactory<LadderFilterProcessor>, { ProcessorType::Tone, 1, 1 } } },
+    { "Chorus", { &processorFactory<Chorus>, { ProcessorType::Modulation, Chorus::numInputs, Chorus::numOutputs } } },
+    { "Phaser4", { &processorFactory<Phaser4>, { ProcessorType::Modulation, Phaser4::numInputs, Phaser4::numOutputs } } },
+    { "Phaser8", { &processorFactory<Phaser8>, { ProcessorType::Modulation, Phaser8::numInputs, Phaser8::numOutputs } } },
+    { "Rotary", { &processorFactory<Rotary>, { ProcessorType::Modulation, Rotary::numInputs, Rotary::numOutputs } } },
+    { "Scanner Vibrato", { &processorFactory<ScannerVibrato>, { ProcessorType::Modulation, ScannerVibrato::numInputs, ScannerVibrato::numOutputs } } },
+    { "Solo-Vibe", { &processorFactory<UniVibe>, { ProcessorType::Modulation, UniVibe::numInputs, UniVibe::numOutputs } } },
+    { "Tremolo", { &processorFactory<Tremolo>, { ProcessorType::Modulation, Tremolo::numInputs, Tremolo::numOutputs } } },
+    { "DC Blocker", { &processorFactory<DCBlocker>, { ProcessorType::Utility, 1, 1 } } },
+    { "Compressor", { &processorFactory<Compressor>, { ProcessorType::Other, Compressor::numInputs, Compressor::numOutputs } } },
+    { "Delay", { &processorFactory<DelayModule>, { ProcessorType::Other, 1, 1 } } },
+    { "Envelope Filter", { &processorFactory<EnvelopeFilter>, { ProcessorType::Other, EnvelopeFilter::numInputs, EnvelopeFilter::numOutputs } } },
+};
+
 class ForwardingParamStabilityTest : public UnitTest
 {
 public:
@@ -13,7 +77,7 @@ class ForwardingParamStabilityTest : public UnitTest
     bool addProcessor (ProcessorChain& chain, UndoManager* um)
     {
         // get random processor
-        auto& storeMap = ProcessorStore::getStoreMap();
+        auto& storeMap = minimalStore;
         auto storeIter = storeMap.begin();
         int storeIndex = rand.nextInt ((int) storeMap.size());
         std::advance (storeIter, storeIndex);

From 4e3a7ba9f9bfdd78550a2b0d762932cc41e15f7b Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Wed, 17 Jan 2024 19:40:33 +0000
Subject: [PATCH 05/11] Apply clang-format

---
 .../tests/ForwardingParamStabilityTest.cpp       | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index ce041d0e..8ffd7d60 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -10,14 +10,6 @@
 #include "processors/drive/diode_circuits/DiodeRectifier.h"
 #include "processors/drive/flapjack/Flapjack.h"
 #include "processors/drive/zen_drive/ZenDrive.h"
-#include "processors/tone/BassCleaner.h"
-#include "processors/tone/BigMuffTone.h"
-#include "processors/tone/BlondeTone.h"
-#include "processors/tone/GraphicEQ.h"
-#include "processors/tone/HighCut.h"
-#include "processors/tone/LofiIrs.h"
-#include "processors/tone/ladder_filter/LadderFilterProcessor.h"
-#include "processors/tone/tube_screamer_tone/TubeScreamerTone.h"
 #include "processors/modulation/Chorus.h"
 #include "processors/modulation/Rotary.h"
 #include "processors/modulation/Tremolo.h"
@@ -29,6 +21,14 @@
 #include "processors/other/Delay.h"
 #include "processors/other/EnvelopeFilter.h"
 #include "processors/other/spring_reverb/SpringReverbProcessor.h"
+#include "processors/tone/BassCleaner.h"
+#include "processors/tone/BigMuffTone.h"
+#include "processors/tone/BlondeTone.h"
+#include "processors/tone/GraphicEQ.h"
+#include "processors/tone/HighCut.h"
+#include "processors/tone/LofiIrs.h"
+#include "processors/tone/ladder_filter/LadderFilterProcessor.h"
+#include "processors/tone/tube_screamer_tone/TubeScreamerTone.h"
 
 template <typename ProcType>
 static std::unique_ptr<BaseProcessor> processorFactory (UndoManager* um)

From def0ba9c060591d6cfa8d2962a2af0ad2fdc6c6e Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 12:18:07 -0800
Subject: [PATCH 06/11] More test tweaking

---
 .../tests/ForwardingParamStabilityTest.cpp    |   4 -
 .../tests/OldParamForwardStates/test_0.txt    |   2 +-
 .../tests/OldParamForwardStates/test_0.xml    | 130 ++++++++--------
 .../tests/OldParamForwardStates/test_1.txt    |   2 +-
 .../tests/OldParamForwardStates/test_1.xml    | 132 ++++++++--------
 .../tests/OldParamForwardStates/test_2.txt    |   2 +-
 .../tests/OldParamForwardStates/test_2.xml    | 144 ++++++++++--------
 .../tests/OldParamForwardStates/test_3.txt    |   2 +-
 .../tests/OldParamForwardStates/test_3.xml    | 134 ++++++++--------
 .../tests/OldParamForwardStates/test_4.txt    |   2 +-
 .../tests/OldParamForwardStates/test_4.xml    | 117 +++++++-------
 .../tests/OldParamForwardStates/test_5.txt    |   1 -
 .../tests/OldParamForwardStates/test_5.xml    | 120 ---------------
 .../tests/OldParamForwardStates/test_6.txt    |   1 -
 .../tests/OldParamForwardStates/test_6.xml    | 127 ---------------
 .../tests/OldParamForwardStates/test_7.txt    |   1 -
 .../tests/OldParamForwardStates/test_7.xml    | 129 ----------------
 .../tests/OldParamForwardStates/test_8.txt    |   1 -
 .../tests/OldParamForwardStates/test_8.xml    | 130 ----------------
 .../tests/OldParamForwardStates/test_9.txt    |   1 -
 .../tests/OldParamForwardStates/test_9.xml    | 131 ----------------
 src/processors/BaseProcessor.cpp              |   4 +-
 src/state/ParamForwardManager.cpp             |   3 +-
 23 files changed, 346 insertions(+), 974 deletions(-)
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_5.txt
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_5.xml
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_6.txt
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_6.xml
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_7.txt
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_7.xml
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_8.txt
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_8.xml
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_9.txt
 delete mode 100644 src/headless/tests/OldParamForwardStates/test_9.xml

diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 8ffd7d60..48e28cf0 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -303,11 +303,7 @@ class ForwardingParamStabilityTest : public UnitTest
         }
 
         beginTest ("Legacy Forwarding Parameter Compatibility Test");
-#if JUCE_DEBUG
-        for (int i = 0; i < 1; ++i)
-#else
         for (int i = 0; i < 5; ++i)
-#endif
         {
             testLegacyState (i);
         }
diff --git a/src/headless/tests/OldParamForwardStates/test_0.txt b/src/headless/tests/OldParamForwardStates/test_0.txt
index df41fac6..53edd16a 100644
--- a/src/headless/tests/OldParamForwardStates/test_0.txt
+++ b/src/headless/tests/OldParamForwardStates/test_0.txt
@@ -1 +1 @@
-On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Gain,Level,Mode,On/Off,Bipolar,On/Off,Cutoff,Resonance,Damping,Mod.Depth,On/Off,Fuzz,Mode,Volume,On/Off,Cutoff,Resonance,Drive,Mod.Depth,Bass Boost,On/Off,Gain,Extended Gain,Invert,Extend,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,Rate,Depth,Feedback,Modulation,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
+On/Off,Cutoff,On/Off,IR,Gain,Mix,On/Off,Drive,Presence,Low Cut,Level,Mode,On/Off,Range,Boost,High Quality,On/Off,Tone,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,Delay Time,Cutoff,Feedback,Mix,Delay Rhythm,Tempo Sync,Delay Type,Ping-Pong,On/Off,Rate,Depth,Feedback,Mix,Delay Type,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_0.xml b/src/headless/tests/OldParamForwardStates/test_0.xml
index d1dae8db..bef9f83e 100644
--- a/src/headless/tests/OldParamForwardStates/test_0.xml
+++ b/src/headless/tests/OldParamForwardStates/test_0.xml
@@ -13,75 +13,63 @@
     <PARAM id="out_gain" value="0.0"/>
   </Parameters>
   <proc_chain>
-    <Diode_Clipper>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="cutoff" value="5000.0009765625"/>
-        <PARAM id="diode" value="0.0"/>
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="num_diodes" value="1.0"/>
+    <High_Cut>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0"/>
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
-    </Diode_Clipper>
-    <Centaur>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain" value="0.5"/>
-        <PARAM id="level" value="0.5"/>
-        <PARAM id="mode" value="0.0"/>
+    </High_Cut>
+    <LoFi_IRs>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="gain" value="0.0"/>
+        <PARAM id="ir" value="0.0"/>
+        <PARAM id="mix" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R1="10000.0" R2="1.0e6" R5="1000.0" R6="10000.0" R7="1500.0"
-                          R8="1500.0" R9="1000.0" R10="2000.0" R11="15000.0" R12="422000.0"
-                          R13="1000.0" R15="22000.0" R16="47000.0" R18="12000.0" R19="15000.0"
-                          R20="392000.0" C1="1.000000011686097e-7" C3="1.000000011686097e-7"
-                          C4="6.799999852091787e-8" C5="6.799999852091787e-8" C6="3.899999967416079e-7"
-                          C7="8.199999967928306e-8" C8="3.900000045131691e-10" C9="9.999999974752427e-7"
-                          C10="9.999999974752427e-7" C11="2.199999959984211e-9" C12="2.700000045763318e-8"
-                          C13="8.20000012335953e-10" C16="9.999999974752427e-7"/>
       </Parameters>
-    </Centaur>
-    <MIDI_Modulator>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1" midi_map_cc="1">
-        <PARAM id="bipolar" value="1.0"/>
+    </LoFi_IRs>
+    <Flapjack>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="drive" value="0.75"/>
+        <PARAM id="level" value="0.5"/>
+        <PARAM id="lowcut" value="100.0000076293945"/>
+        <PARAM id="mode" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
+        <PARAM id="presence" value="0.5"/>
+        <circuit_elements R1="1.0e6" R2="10000.0" R3="100000.0" R5="10000.0" R6="10000.0"
+                          R7="1000.0" C1="9.99999993922529e-9" C2="9.999999747378752e-6"
+                          C6="2.200000004393132e-8" C7="8.199999967928306e-8"/>
       </Parameters>
-    </MIDI_Modulator>
-    <Poly-M>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="freq" value="1000.000183105469"/>
-        <PARAM id="k1" value="0.5"/>
-        <PARAM id="k2" value="0.0"/>
-        <PARAM id="mod_depth" value="0.5"/>
+    </Flapjack>
+    <Range_Booster>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="boost" value="0.0"/>
+        <PARAM id="high_q" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
+        <PARAM id="range" value="2600.0"/>
       </Parameters>
-    </Poly-M>
-    <Fuzz_Machine>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="fuzz" value="0.5"/>
-        <PARAM id="model" value="1.0"/>
+    </Range_Booster>
+    <TS-Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="vol" value="0.5"/>
+        <PARAM id="tone" value="0.5"/>
+        <circuit_elements R7="1000.0" R8="220.0" R9="10000.0" R11="1000.0" R12="1000.0"
+                          C5="2.200000039920269e-7" C6="2.200000039920269e-7" C7="9.999999974752427e-7"/>
       </Parameters>
-    </Fuzz_Machine>
-    <SV-SVF>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass_boost" value="1.0"/>
-        <PARAM id="drive" value="0.0"/>
-        <PARAM id="freq" value="1000.000183105469"/>
-        <PARAM id="mod_depth" value="0.5"/>
+    </TS-Tone>
+    <Envelope_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="filter_type" value="0.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="freq_mod" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
         <PARAM id="res" value="0.5"/>
+        <PARAM id="sense" value="0.5"/>
+        <PARAM id="speed" value="0.5"/>
       </Parameters>
-    </SV-SVF>
-    <Clean_Gain>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="extend" value="0.0"/>
-        <PARAM id="gain" value="0.0"/>
-        <PARAM id="gain_extended" value="0.0"/>
-        <PARAM id="invert" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Clean_Gain>
+    </Envelope_Filter>
     <Chorus>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="delay_type" value="0.0"/>
         <PARAM id="depth" value="0.5"/>
         <PARAM id="feedback" value="0.0"/>
@@ -90,23 +78,37 @@
         <PARAM id="rate" value="0.5"/>
       </Parameters>
     </Chorus>
-    <Phaser8>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="1.0"/>
-        <PARAM id="feedback" value="0.75"/>
-        <PARAM id="modulation" value="0.75"/>
+    <Delay>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="freq" value="10000.0"/>
+        <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.9999999403953552"/>
+        <PARAM id="ping_pong" value="0.0"/>
+        <PARAM id="tempo_sync" value="0.0"/>
+        <PARAM id="time_ms" value="99.99999237060547"/>
+        <PARAM id="time_tempo_sync" value="0.0"/>
       </Parameters>
-    </Phaser8>
+    </Delay>
+    <Chorus>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="0.5"/>
+      </Parameters>
+    </Chorus>
     <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
       <port_0 connection_0="-1" connection_end_0="0"/>
     </Input>
     <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
     </Output>
diff --git a/src/headless/tests/OldParamForwardStates/test_1.txt b/src/headless/tests/OldParamForwardStates/test_1.txt
index e0393227..2f48f875 100644
--- a/src/headless/tests/OldParamForwardStates/test_1.txt
+++ b/src/headless/tests/OldParamForwardStates/test_1.txt
@@ -1 +1 @@
-On/Off,Boost,On/Off,Rate,Depth,Feedback,Modulation,On/Off,Bass,Treble,Drive,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,Voice,Gain,On/Off,Gain,On/Off,Fuzz,Mode,Volume,On/Off,Drive,Mode,On/Off,Cutoff,Resonance,Drive,Mod.Depth,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
+On/Off,Delay Time,Cutoff,Feedback,Mix,Delay Rhythm,Tempo Sync,Delay Type,Ping-Pong,On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Cutoff,On/Off,Bass,Mids,Treble,On/Off,Sustain,Harmonics,Smoothing,Level,,High Quality,On/Off,Rate,Depth,Mix,Mode,Stereo,On/Off,Rate,Depth,Mix,Mode,Stereo,On/Off,HP CUT,HP RES,LP RES,LP CUT,DRIVE,FILTER MODE,On/Off,Cutoff,Drive,Diodes,# Diodes,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_1.xml b/src/headless/tests/OldParamForwardStates/test_1.xml
index 4d3a6c83..a0e99dde 100644
--- a/src/headless/tests/OldParamForwardStates/test_1.xml
+++ b/src/headless/tests/OldParamForwardStates/test_1.xml
@@ -13,91 +13,101 @@
     <PARAM id="out_gain" value="0.0"/>
   </Parameters>
   <proc_chain>
-    <Treble_Booster>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="boost" value="0.25"/>
+    <Delay>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="freq" value="10000.0"/>
+        <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R21="1800.0" R22="100000.0" R23="4700.0" R24="100000.0" C14="3.899999878598237e-9"/>
+        <PARAM id="ping_pong" value="0.0"/>
+        <PARAM id="tempo_sync" value="0.0"/>
+        <PARAM id="time_ms" value="99.99999237060547"/>
+        <PARAM id="time_tempo_sync" value="0.0"/>
       </Parameters>
-    </Treble_Booster>
-    <Phaser8>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="1.0"/>
-        <PARAM id="feedback" value="0.75"/>
-        <PARAM id="modulation" value="0.75"/>
+    </Delay>
+    <Diode_Clipper>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0009765625"/>
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.9999999403953552"/>
       </Parameters>
-    </Phaser8>
-    <Swinger_Pre>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.5"/>
-        <PARAM id="drive" value="0.5"/>
+    </Diode_Clipper>
+    <High_Cut>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.5"/>
       </Parameters>
-    </Swinger_Pre>
-    <Chorus>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="delay_type" value="0.0"/>
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="feedback" value="0.0"/>
-        <PARAM id="mix" value="0.5"/>
+    </High_Cut>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.5"/>
+        <PARAM id="treble" value="0.0"/>
       </Parameters>
-    </Chorus>
-    <Yen_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain" value="0.5"/>
+    </Blonde_Tone>
+    <Muff_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="harmonics" value="0.6499999761581421"/>
+        <PARAM id="high_q" value="0.0"/>
+        <PARAM id="level" value="0.6499999761581421"/>
+        <PARAM id="n_stages" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="voice" value="0.5"/>
-        <circuit_elements R4="470000.0" C3="4.700000033608376e-7" C4="1.000000013351432e-10"
-                          C5="1.000000011686097e-7"/>
+        <PARAM id="smoothing" value="0.0"/>
+        <PARAM id="sustain" value="0.5"/>
       </Parameters>
-    </Yen_Drive>
-    <Metal_Face>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain" value="-12.0"/>
+    </Muff_Drive>
+    <Scanner_Vibrato>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="mode" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
+        <PARAM id="rate" value="6.0"/>
+        <PARAM id="stereo" value="0.0"/>
       </Parameters>
-    </Metal_Face>
-    <Fuzz_Machine>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="fuzz" value="0.5"/>
-        <PARAM id="model" value="1.0"/>
+    </Scanner_Vibrato>
+    <Scanner_Vibrato>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="mode" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="vol" value="0.5"/>
+        <PARAM id="rate" value="6.0"/>
+        <PARAM id="stereo" value="0.0"/>
       </Parameters>
-    </Fuzz_Machine>
-    <Tone_King>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="mode" value="1.0"/>
+    </Scanner_Vibrato>
+    <Ladder_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="DRIVE" value="0.5"/>
+        <PARAM id="FILTER_MODE" value="0.0"/>
+        <PARAM id="HP_CUTOFF" value="0.0"/>
+        <PARAM id="HP_RESONANCE" value="0.0"/>
+        <PARAM id="LP_CUTOFF" value="1.0"/>
+        <PARAM id="LP_RESONANCE" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R4="1.0e6" R6="10000.0" R7="33000.0" R8="27000.0" R9="10000.0"
-                          R10="220000.0" R11="6800.0" R12="1000.0" C3="9.99999993922529e-9"
-                          C4="1.000000013351432e-10" C5="9.99999993922529e-9" C6="9.99999993922529e-9"
-                          C7="1.000000011686097e-7"/>
       </Parameters>
-    </Tone_King>
-    <Vogue_Ladder>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.0"/>
-        <PARAM id="freq" value="1000.000183105469"/>
-        <PARAM id="k_val" value="0.5"/>
-        <PARAM id="mod_depth" value="0.5"/>
+    </Ladder_Filter>
+    <Diode_Clipper>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0009765625"/>
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
-    </Vogue_Ladder>
+    </Diode_Clipper>
     <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
       <port_0 connection_0="-1" connection_end_0="0"/>
     </Input>
     <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
     </Output>
diff --git a/src/headless/tests/OldParamForwardStates/test_2.txt b/src/headless/tests/OldParamForwardStates/test_2.txt
index 03a4f441..4b069a7c 100644
--- a/src/headless/tests/OldParamForwardStates/test_2.txt
+++ b/src/headless/tests/OldParamForwardStates/test_2.txt
@@ -1 +1 @@
-On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Clean,On/Off,Drive,Prescence,On/Off,Rate,Depth,Stereo,On/Off,Tracking,Cutoff,Mix,On/Off,Gain,Diodes,# Diodes,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,On/Off,Rate,Wave,Depth,Stereo,V1 Wave,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
+On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Drive,Presence,Low Cut,Level,Mode,On/Off,IR,Gain,Mix,On/Off,Rate,Wave,Depth,Stereo,V1 Wave,On/Off,Tone,Mids,Type,On/Off,HP CUT,HP RES,LP RES,LP CUT,DRIVE,FILTER MODE,On/Off,Rate,Depth,Feedback,Mix,Delay Type,On/Off,HP CUT,HP RES,LP RES,LP CUT,DRIVE,FILTER MODE,On/Off,100,220,500,1k,2.2k,5k,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_2.xml b/src/headless/tests/OldParamForwardStates/test_2.xml
index 6fe84009..c3517e0f 100644
--- a/src/headless/tests/OldParamForwardStates/test_2.xml
+++ b/src/headless/tests/OldParamForwardStates/test_2.xml
@@ -13,97 +13,107 @@
     <PARAM id="out_gain" value="0.0"/>
   </Parameters>
   <proc_chain>
-    <Gate>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="10.0"/>
-        <PARAM id="hold" value="200.0000152587891"/>
-        <PARAM id="makeup" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="399.9999389648438"/>
-        <PARAM id="thresh" value="-35.0"/>
-      </Parameters>
-    </Gate>
-    <Envelope_Filter>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="direct_control" value="0.0"/>
-        <PARAM id="filter_type" value="0.0"/>
-        <PARAM id="freq" value="249.9999847412109"/>
-        <PARAM id="freq_mod" value="0.0"/>
+    <Diode_Rectifier>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0009765625"/>
+        <PARAM id="diode" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="num_diodes" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="res" value="0.5"/>
-        <PARAM id="sense" value="0.5"/>
-        <PARAM id="speed" value="0.5"/>
       </Parameters>
-    </Envelope_Filter>
-    <Bass_Cleaner>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="clean" value="0.5"/>
+    </Diode_Rectifier>
+    <Flapjack>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="drive" value="0.75"/>
+        <PARAM id="level" value="0.5"/>
+        <PARAM id="lowcut" value="100.0000076293945"/>
+        <PARAM id="mode" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R4="3300.0" C3="9.999999974752427e-7" C4="4.700000033608376e-8"/>
+        <PARAM id="presence" value="0.5"/>
+        <circuit_elements R1="1.0e6" R2="10000.0" R3="100000.0" R5="10000.0" R6="10000.0"
+                          R7="1000.0" C1="9.99999993922529e-9" C2="9.999999747378752e-6"
+                          C6="2.200000004393132e-8" C7="8.199999967928306e-8"/>
       </Parameters>
-    </Bass_Cleaner>
-    <JK_Amp>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
+    </Flapjack>
+    <LoFi_IRs>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="gain" value="0.0"/>
+        <PARAM id="ir" value="0.0"/>
+        <PARAM id="mix" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="prescence" value="0.0"/>
       </Parameters>
-    </JK_Amp>
-    <Rotary>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+    </LoFi_IRs>
+    <Tremolo>
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="depth" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="1.0"/>
+        <PARAM id="rate" value="10.0"/>
         <PARAM id="stereo" value="0.0"/>
+        <PARAM id="v1_wave" value="0.0"/>
+        <PARAM id="wave" value="0.5"/>
       </Parameters>
-    </Rotary>
-    <Octaver>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="cutoff" value="2000.0"/>
-        <PARAM id="mix" value="0.75"/>
+    </Tremolo>
+    <Muff_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="mids" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="tracking" value="650.0"/>
+        <PARAM id="tone" value="0.5"/>
+        <PARAM id="type" value="2.0"/>
+        <circuit_elements R5="7700.0" R_mids="28600.0" R8="39000.0" R_tone="100000.0" C8="9.99999993922529e-9"
+                          C9="3.999999886872274e-9"/>
       </Parameters>
-    </Octaver>
-    <Tube_Screamer>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="diode" value="0.0"/>
-        <PARAM id="gain" value="0.5"/>
-        <PARAM id="num_diodes" value="1.0"/>
+    </Muff_Tone>
+    <Ladder_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="DRIVE" value="0.5"/>
+        <PARAM id="FILTER_MODE" value="0.0"/>
+        <PARAM id="HP_CUTOFF" value="0.0"/>
+        <PARAM id="HP_RESONANCE" value="0.0"/>
+        <PARAM id="LP_CUTOFF" value="1.0"/>
+        <PARAM id="LP_RESONANCE" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R4="4700.0" R5="10000.0" C2="9.999999974752427e-7" C3="4.700000033608376e-8"
-                          C4="5.099999936253319e-11"/>
       </Parameters>
-    </Tube_Screamer>
-    <Compressor>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="10.0"/>
-        <PARAM id="knee" value="6.0"/>
-        <PARAM id="makeup" value="0.0"/>
+    </Ladder_Filter>
+    <Chorus>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="delay_type" value="0.0"/>
+        <PARAM id="depth" value="0.5"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="ratio" value="2.0"/>
-        <PARAM id="release" value="99.99999237060547"/>
-        <PARAM id="thresh" value="0.0"/>
+        <PARAM id="rate" value="0.5"/>
       </Parameters>
-    </Compressor>
-    <Tremolo>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="0.5"/>
+    </Chorus>
+    <Ladder_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="DRIVE" value="0.5"/>
+        <PARAM id="FILTER_MODE" value="0.0"/>
+        <PARAM id="HP_CUTOFF" value="0.0"/>
+        <PARAM id="HP_RESONANCE" value="0.0"/>
+        <PARAM id="LP_CUTOFF" value="1.0"/>
+        <PARAM id="LP_RESONANCE" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="10.0"/>
-        <PARAM id="stereo" value="0.0"/>
-        <PARAM id="v1_wave" value="0.0"/>
-        <PARAM id="wave" value="0.5"/>
       </Parameters>
-    </Tremolo>
+    </Ladder_Filter>
+    <Graphic_EQ>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="gain_0" value="0.0"/>
+        <PARAM id="gain_1" value="0.0"/>
+        <PARAM id="gain_2" value="0.0"/>
+        <PARAM id="gain_3" value="0.0"/>
+        <PARAM id="gain_4" value="0.0"/>
+        <PARAM id="gain_5" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </Graphic_EQ>
     <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
       <port_0 connection_0="-1" connection_end_0="0"/>
     </Input>
     <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
     </Output>
diff --git a/src/headless/tests/OldParamForwardStates/test_3.txt b/src/headless/tests/OldParamForwardStates/test_3.txt
index 1b1611da..aa4df9cd 100644
--- a/src/headless/tests/OldParamForwardStates/test_3.txt
+++ b/src/headless/tests/OldParamForwardStates/test_3.txt
@@ -1 +1 @@
-On/Off,Gain,Diodes,# Diodes,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Clean,On/Off,Rate,Feedback,Freq,Range,Stages,Stereo,On/Off,Rate,Amount,Offset,Feedback,Mix,Delay Type,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
+On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Rate,Depth,Feedback,Mix,FB Stage,Stereo,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,On/Off,Bass,Mids,Treble,On/Off,Clean,On/Off,Sustain,Harmonics,Smoothing,Level,,High Quality,On/Off,Speed,Intensity,# Stages,Stereo,Mix,On/Off,Delay Time,Cutoff,Feedback,Mix,Delay Rhythm,Tempo Sync,Delay Type,Ping-Pong,On/Off,Drive,Character,Bias,High Quality,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_3.xml b/src/headless/tests/OldParamForwardStates/test_3.xml
index eab9e85f..6cfd5b60 100644
--- a/src/headless/tests/OldParamForwardStates/test_3.xml
+++ b/src/headless/tests/OldParamForwardStates/test_3.xml
@@ -13,106 +13,104 @@
     <PARAM id="out_gain" value="0.0"/>
   </Parameters>
   <proc_chain>
-    <Tube_Screamer>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+    <Diode_Clipper>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0009765625"/>
         <PARAM id="diode" value="0.0"/>
-        <PARAM id="gain" value="0.5"/>
+        <PARAM id="drive" value="0.5"/>
         <PARAM id="num_diodes" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <circuit_elements R4="4700.0" R5="10000.0" C2="9.999999974752427e-7" C3="4.700000033608376e-8"
-                          C4="5.099999936253319e-11"/>
       </Parameters>
-    </Tube_Screamer>
-    <Envelope_Filter>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="direct_control" value="0.0"/>
-        <PARAM id="filter_type" value="0.0"/>
-        <PARAM id="freq" value="249.9999847412109"/>
-        <PARAM id="freq_mod" value="0.0"/>
+    </Diode_Clipper>
+    <Phaser4>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="depth" value="1.0"/>
+        <PARAM id="fb_stage" value="0.0"/>
+        <PARAM id="feedback" value="0.6000000238418579"/>
+        <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="res" value="0.5"/>
-        <PARAM id="sense" value="0.5"/>
-        <PARAM id="speed" value="0.5"/>
+        <PARAM id="rate" value="0.9999999403953552"/>
+        <PARAM id="stereo" value="0.0"/>
+        <circuit_elements R6="24000.0" C1="4.700000033608376e-8"/>
       </Parameters>
-    </Envelope_Filter>
-    <Gate>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+    </Phaser4>
+    <Compressor>
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="attack" value="10.0"/>
-        <PARAM id="hold" value="200.0000152587891"/>
+        <PARAM id="knee" value="6.0"/>
         <PARAM id="makeup" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="399.9999389648438"/>
-        <PARAM id="thresh" value="-35.0"/>
+        <PARAM id="ratio" value="2.0"/>
+        <PARAM id="release" value="99.99999237060547"/>
+        <PARAM id="thresh" value="0.0"/>
       </Parameters>
-    </Gate>
+    </Compressor>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="treble" value="0.0"/>
+      </Parameters>
+    </Blonde_Tone>
     <Bass_Cleaner>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="clean" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
         <circuit_elements R4="3300.0" C3="9.999999974752427e-7" C4="4.700000033608376e-8"/>
       </Parameters>
     </Bass_Cleaner>
-    <Opto_Phase>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="feedback" value="0.5"/>
-        <PARAM id="freq" value="330.0"/>
+    <Muff_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="harmonics" value="0.6499999761581421"/>
+        <PARAM id="high_q" value="0.0"/>
+        <PARAM id="level" value="0.6499999761581421"/>
+        <PARAM id="n_stages" value="1.0"/>
+        <PARAM id="on_off" value="1.0"/>
+        <PARAM id="smoothing" value="0.0"/>
+        <PARAM id="sustain" value="0.5"/>
+      </Parameters>
+    </Muff_Drive>
+    <Solo-Vibe>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="intensity" value="0.5"/>
+        <PARAM id="mix" value="0.5"/>
+        <PARAM id="num_stages" value="4.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="range" value="0.5"/>
-        <PARAM id="rate" value="1.0"/>
-        <PARAM id="stages" value="1.0"/>
+        <PARAM id="speed" value="5.0"/>
         <PARAM id="stereo" value="0.0"/>
       </Parameters>
-    </Opto_Phase>
-    <Flanger>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="delayAmount" value="1.99999988079071"/>
-        <PARAM id="delayOffset" value="1.000000238418579"/>
+    </Solo-Vibe>
+    <Delay>
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="delay_type" value="0.0"/>
         <PARAM id="feedback" value="0.0"/>
+        <PARAM id="freq" value="10000.0"/>
         <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.5"/>
+        <PARAM id="ping_pong" value="0.0"/>
+        <PARAM id="tempo_sync" value="0.0"/>
+        <PARAM id="time_ms" value="99.99999237060547"/>
+        <PARAM id="time_tempo_sync" value="0.0"/>
       </Parameters>
-    </Flanger>
-    <Crying_Child>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="0.9999999403953552"/>
-        <PARAM id="control_freq" value="0.5"/>
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="direct_control" value="0.0"/>
+    </Delay>
+    <Blonde_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="bias" value="0.5"/>
+        <PARAM id="char" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="high_q" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="25.00000381469727"/>
       </Parameters>
-    </Crying_Child>
-    <Crying_Child>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="0.9999999403953552"/>
-        <PARAM id="control_freq" value="0.5"/>
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="direct_control" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="25.00000381469727"/>
-      </Parameters>
-    </Crying_Child>
-    <Compressor>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="10.0"/>
-        <PARAM id="knee" value="6.0"/>
-        <PARAM id="makeup" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="ratio" value="2.0"/>
-        <PARAM id="release" value="99.99999237060547"/>
-        <PARAM id="thresh" value="0.0"/>
-      </Parameters>
-    </Compressor>
+    </Blonde_Drive>
     <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
       <port_0 connection_0="-1" connection_end_0="0"/>
     </Input>
     <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
     </Output>
diff --git a/src/headless/tests/OldParamForwardStates/test_4.txt b/src/headless/tests/OldParamForwardStates/test_4.txt
index 318ef5cf..0928b660 100644
--- a/src/headless/tests/OldParamForwardStates/test_4.txt
+++ b/src/headless/tests/OldParamForwardStates/test_4.txt
@@ -1 +1 @@
-On/Off,Input,Output,Ratio,Speed,Opto,Mode,On/Off,Cutoff,Resonance,Damping,Mod.Depth,On/Off,Rate,Depth,Feedback,Mix,FB Stage,Stereo,On/Off,Drive,# Stages,On/Off,Saturation,Drive,Width,On/Off,Modulation,Modulation +/-,Bipolar,On/Off,Range,Boost,High Quality,On/Off,Mode,On/Off,Rate,Wave,Depth,Stereo,V1 Wave,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
+On/Off,Freq,Gain,Feedback,FB Drive,On/Off,Drive,Character,Bias,High Quality,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Tone,On/Off,Cutoff,On/Off,IR,Gain,Mix,On/Off,Bass,Mids,Treble,On/Off,Range,Boost,High Quality,On/Off,Rate,Depth,Feedback,Mix,Delay Type,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_4.xml b/src/headless/tests/OldParamForwardStates/test_4.xml
index 8aacb1e9..314ed686 100644
--- a/src/headless/tests/OldParamForwardStates/test_4.xml
+++ b/src/headless/tests/OldParamForwardStates/test_4.xml
@@ -13,93 +13,92 @@
     <PARAM id="out_gain" value="0.0"/>
   </Parameters>
   <proc_chain>
-    <Opto_Comp>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="input_gain" value="0.0"/>
-        <PARAM id="mode" value="0.0"/>
+    <Warp>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="fb" value="0.5"/>
+        <PARAM id="fb_drive" value="5.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="gain" value="6.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="opto" value="0.5"/>
-        <PARAM id="output_gain" value="0.0"/>
-        <PARAM id="ratio" value="2.0"/>
-        <PARAM id="speed" value="0.5"/>
       </Parameters>
-    </Opto_Comp>
-    <Poly-M>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="freq" value="1000.000183105469"/>
-        <PARAM id="k1" value="0.5"/>
-        <PARAM id="k2" value="0.0"/>
-        <PARAM id="mod_depth" value="0.5"/>
+    </Warp>
+    <Blonde_Drive>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="bias" value="0.5"/>
+        <PARAM id="char" value="0.0"/>
+        <PARAM id="drive" value="0.5"/>
+        <PARAM id="high_q" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
-    </Poly-M>
-    <Phaser4>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="1.0"/>
-        <PARAM id="fb_stage" value="0.0"/>
-        <PARAM id="feedback" value="0.6000000238418579"/>
-        <PARAM id="mix" value="0.5"/>
+    </Blonde_Drive>
+    <Envelope_Filter>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="direct_control" value="0.0"/>
+        <PARAM id="filter_type" value="0.0"/>
+        <PARAM id="freq" value="249.9999847412109"/>
+        <PARAM id="freq_mod" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.9999999403953552"/>
-        <PARAM id="stereo" value="0.0"/>
-        <circuit_elements R6="24000.0" C1="4.700000033608376e-8"/>
+        <PARAM id="res" value="0.5"/>
+        <PARAM id="sense" value="0.5"/>
+        <PARAM id="speed" value="0.5"/>
       </Parameters>
-    </Phaser4>
-    <Waterfall_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="n_stages" value="1.0"/>
+    </Envelope_Filter>
+    <TS-Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="on_off" value="1.0"/>
+        <PARAM id="tone" value="0.5"/>
+        <circuit_elements R7="1000.0" R8="220.0" R9="10000.0" R11="1000.0" R12="1000.0"
+                          C5="2.200000039920269e-7" C6="2.200000039920269e-7" C7="9.999999974752427e-7"/>
       </Parameters>
-    </Waterfall_Drive>
-    <Hysteresis>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
+    </TS-Tone>
+    <High_Cut>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="cutoff" value="5000.0"/>
+        <PARAM id="on_off" value="1.0"/>
+      </Parameters>
+    </High_Cut>
+    <LoFi_IRs>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="gain" value="0.0"/>
+        <PARAM id="ir" value="0.0"/>
+        <PARAM id="mix" value="1.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="sat" value="0.5"/>
-        <PARAM id="width" value="0.5"/>
       </Parameters>
-    </Hysteresis>
-    <Param_Modulator>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bipolar_mod" value="0.0"/>
-        <PARAM id="bipolar_mode" value="1.0"/>
+    </LoFi_IRs>
+    <Blonde_Tone>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="bass" value="0.0"/>
+        <PARAM id="mid" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="unipolar_mod" value="0.0"/>
+        <PARAM id="treble" value="0.0"/>
       </Parameters>
-    </Param_Modulator>
+    </Blonde_Tone>
     <Range_Booster>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.0" y_pos="0.0">
         <PARAM id="boost" value="0.0"/>
         <PARAM id="high_q" value="0.0"/>
         <PARAM id="on_off" value="1.0"/>
         <PARAM id="range" value="2600.0"/>
       </Parameters>
     </Range_Booster>
-    <Stereo_Splitter>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="mode" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Stereo_Splitter>
-    <Tremolo>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
+    <Chorus>
+      <Parameters x_pos="0.0" y_pos="0.0">
+        <PARAM id="delay_type" value="0.0"/>
         <PARAM id="depth" value="0.5"/>
+        <PARAM id="feedback" value="0.0"/>
+        <PARAM id="mix" value="0.5"/>
         <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="10.0"/>
-        <PARAM id="stereo" value="0.0"/>
-        <PARAM id="v1_wave" value="0.0"/>
-        <PARAM id="wave" value="0.5"/>
+        <PARAM id="rate" value="0.5"/>
       </Parameters>
-    </Tremolo>
+    </Chorus>
     <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
       <port_0 connection_0="-1" connection_end_0="0"/>
     </Input>
     <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
+      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
         <PARAM id="on_off" value="1.0"/>
       </Parameters>
     </Output>
diff --git a/src/headless/tests/OldParamForwardStates/test_5.txt b/src/headless/tests/OldParamForwardStates/test_5.txt
deleted file mode 100644
index 28207476..00000000
--- a/src/headless/tests/OldParamForwardStates/test_5.txt
+++ /dev/null
@@ -1 +0,0 @@
-On/Off,Bass,Mids,Treble,On/Off,Threshold,Ratio,Knee,Attack,Release,Gain,On/Off,Drive,Level,Stages,On/Off,Bass,Tilt,Treble,On/Off,Bass,Middle,Treble,On/Off,Bass,Mids,Treble,On/Off,Cutoff,On/Off,Drive,Color,On/Off,Drive,Color,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_5.xml b/src/headless/tests/OldParamForwardStates/test_5.xml
deleted file mode 100644
index 74db9e74..00000000
--- a/src/headless/tests/OldParamForwardStates/test_5.xml
+++ /dev/null
@@ -1,120 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<state state_plugin_version="1.2.1">
-  <Parameters>
-    <PARAM id="dry_wet" value="1.0"/>
-    <PARAM id="in_gain" value="0.0"/>
-    <PARAM id="mono_mode" value="0.0"/>
-    <PARAM id="os_factor" value="1.0"/>
-    <PARAM id="os_mode" value="0.0"/>
-    <PARAM id="os_render_factor" value="1.0"/>
-    <PARAM id="os_render_like_realtime" value="1.0"/>
-    <PARAM id="os_render_mode" value="0.0"/>
-    <PARAM id="out_gain" value="0.0"/>
-  </Parameters>
-  <proc_chain>
-    <Blonde_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-      </Parameters>
-    </Blonde_Tone>
-    <Compressor>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="10.0"/>
-        <PARAM id="knee" value="6.0"/>
-        <PARAM id="makeup" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="ratio" value="2.0"/>
-        <PARAM id="release" value="99.99999237060547"/>
-        <PARAM id="thresh" value="0.0"/>
-      </Parameters>
-    </Compressor>
-    <Trumble_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="level" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="stages" value="0.0"/>
-      </Parameters>
-    </Trumble_Drive>
-    <Bassman_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="1.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-        <circuit_elements R4="56000.0" C1="2.499999929295171e-10" C2="1.999999987845058e-8"
-                          C3="1.999999987845058e-8"/>
-      </Parameters>
-    </Bassman_Tone>
-    <Trainer_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.5"/>
-        <PARAM id="middle" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.5"/>
-      </Parameters>
-    </Trainer_Tone>
-    <Blonde_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-      </Parameters>
-    </Blonde_Tone>
-    <High_Cut>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="cutoff" value="5000.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </High_Cut>
-    <Stinger_Fuzz>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="color" value="0.5"/>
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Stinger_Fuzz>
-    <Stinger_Fuzz>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="color" value="0.5"/>
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Stinger_Fuzz>
-    <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-      <port_0 connection_0="-1" connection_end_0="0"/>
-    </Input>
-    <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Output>
-  </proc_chain>
-  <Preset_State preset_dirty="1">
-    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
-            preset_file="">
-      <proc_chain>
-        <Input>
-          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
-            <PARAM id="on_off" value="1.0"/>
-          </Parameters>
-          <port_0 connection_0="-1" connection_end_0="0"/>
-        </Input>
-        <Output>
-          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
-            <PARAM id="on_off"/>
-          </Parameters>
-        </Output>
-      </proc_chain>
-      <extra_info/>
-    </Preset>
-  </Preset_State>
-</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_6.txt b/src/headless/tests/OldParamForwardStates/test_6.txt
deleted file mode 100644
index 1f6098b0..00000000
--- a/src/headless/tests/OldParamForwardStates/test_6.txt
+++ /dev/null
@@ -1 +0,0 @@
-On/Off,On/Off,Size,Decay,Refl.,Spin,Damp,Chaos,Shake,Mix,On/Off,Bass,Tilt,Treble,On/Off,Shift,Feedback,Spread,Mix,Mode,On/Off,On/Off,Rate,Depth,On/Off,Freq.,Q,Mode,Multi-Mode,Mode,On/Off,Distortion,Volume,On/Off,Cutoff,Resonance,Damping,Mod.Depth,Mode,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_6.xml b/src/headless/tests/OldParamForwardStates/test_6.xml
deleted file mode 100644
index cf5d85e7..00000000
--- a/src/headless/tests/OldParamForwardStates/test_6.xml
+++ /dev/null
@@ -1,127 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<state state_plugin_version="1.2.1">
-  <Parameters>
-    <PARAM id="dry_wet" value="1.0"/>
-    <PARAM id="in_gain" value="0.0"/>
-    <PARAM id="mono_mode" value="0.0"/>
-    <PARAM id="os_factor" value="1.0"/>
-    <PARAM id="os_mode" value="0.0"/>
-    <PARAM id="os_render_factor" value="1.0"/>
-    <PARAM id="os_render_like_realtime" value="1.0"/>
-    <PARAM id="os_render_mode" value="0.0"/>
-    <PARAM id="out_gain" value="0.0"/>
-  </Parameters>
-  <proc_chain>
-    <Tuner>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Tuner>
-    <Spring_Reverb>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="chaos" value="0.0"/>
-        <PARAM id="damping" value="0.5"/>
-        <PARAM id="decay" value="0.5"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="reflect" value="0.5"/>
-        <PARAM id="shake" value="0.0"/>
-        <PARAM id="size" value="0.5"/>
-        <PARAM id="spin" value="0.5"/>
-      </Parameters>
-    </Spring_Reverb>
-    <Bassman_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="1.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-        <circuit_elements R4="56000.0" C1="2.499999929295171e-10" C2="1.999999987845058e-8"
-                          C3="1.999999987845058e-8"/>
-      </Parameters>
-    </Bassman_Tone>
-    <Laser_Trem>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="feedback" value="0.0"/>
-        <PARAM id="mix" value="1.0"/>
-        <PARAM id="mode" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="shift" value="0.0"/>
-        <PARAM id="spread" value="0.5"/>
-      </Parameters>
-    </Laser_Trem>
-    <Oscilloscope>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Oscilloscope>
-    <Waterfall_Trem.>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.5"/>
-      </Parameters>
-    </Waterfall_Trem.>
-    <SVF>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="freq" value="8000.0009765625"/>
-        <PARAM id="mode" value="0.0"/>
-        <PARAM id="multi_mode" value="1.0"/>
-        <PARAM id="multi_mode_type" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="q_value" value="0.707099974155426"/>
-      </Parameters>
-    </SVF>
-    <Mouse_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="distortion" value="0.75"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="volume" value="0.75"/>
-        <circuit_elements R2="1.0e6" R3="1000.0" R4="47.0" R5="560.0" R6="1000.0" C1="2.200000004393132e-8"
-                          C2="9.999999717180685e-10" C4="1.000000013351432e-10" C5="2.199999926233431e-6"
-                          C6="4.699999863078119e-6" C7="4.699999863078119e-6"/>
-      </Parameters>
-    </Mouse_Drive>
-    <RAM_Filter>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="damp" value="0.0"/>
-        <PARAM id="freq" value="1000.000183105469"/>
-        <PARAM id="mod_depth" value="0.5"/>
-        <PARAM id="mode" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="res" value="0.5"/>
-      </Parameters>
-    </RAM_Filter>
-    <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-      <port_0 connection_0="-1" connection_end_0="0"/>
-    </Input>
-    <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Output>
-  </proc_chain>
-  <Preset_State preset_dirty="1">
-    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
-            preset_file="">
-      <proc_chain>
-        <Input>
-          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
-            <PARAM id="on_off" value="1.0"/>
-          </Parameters>
-          <port_0 connection_0="-1" connection_end_0="0"/>
-        </Input>
-        <Output>
-          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
-            <PARAM id="on_off"/>
-          </Parameters>
-        </Output>
-      </proc_chain>
-      <extra_info/>
-    </Preset>
-  </Preset_State>
-</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_7.txt b/src/headless/tests/OldParamForwardStates/test_7.txt
deleted file mode 100644
index 62accf44..00000000
--- a/src/headless/tests/OldParamForwardStates/test_7.txt
+++ /dev/null
@@ -1 +0,0 @@
-On/Off,Rate,Depth,On/Off,Rate,Depth,On/Off,Bass,Mids,Treble,On/Off,Resonance,Freq.,Speed,Sensitivity,Freq. Mod,Type,Direct Control,On/Off,Rate,Depth,Feedback,Modulation,On/Off,+0 Oct,+1 Oct,+2 Oct,On/Off,Drive,Level,Stages,On/Off,Rate,Feedback,Freq,Range,Stages,Stereo,On/Off,Rate,Depth,Feedback,Mix,FB Stage,Stereo,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_7.xml b/src/headless/tests/OldParamForwardStates/test_7.xml
deleted file mode 100644
index 568c8dcb..00000000
--- a/src/headless/tests/OldParamForwardStates/test_7.xml
+++ /dev/null
@@ -1,129 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<state state_plugin_version="1.2.1">
-  <Parameters>
-    <PARAM id="dry_wet" value="1.0"/>
-    <PARAM id="in_gain" value="0.0"/>
-    <PARAM id="mono_mode" value="0.0"/>
-    <PARAM id="os_factor" value="1.0"/>
-    <PARAM id="os_mode" value="0.0"/>
-    <PARAM id="os_render_factor" value="1.0"/>
-    <PARAM id="os_render_like_realtime" value="1.0"/>
-    <PARAM id="os_render_mode" value="0.0"/>
-    <PARAM id="out_gain" value="0.0"/>
-  </Parameters>
-  <proc_chain>
-    <Waterfall_Trem.>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.5"/>
-      </Parameters>
-    </Waterfall_Trem.>
-    <Waterfall_Trem.>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.5"/>
-      </Parameters>
-    </Waterfall_Trem.>
-    <Blonde_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-      </Parameters>
-    </Blonde_Tone>
-    <Envelope_Filter>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="direct_control" value="0.0"/>
-        <PARAM id="filter_type" value="0.0"/>
-        <PARAM id="freq" value="249.9999847412109"/>
-        <PARAM id="freq_mod" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="res" value="0.5"/>
-        <PARAM id="sense" value="0.5"/>
-        <PARAM id="speed" value="0.5"/>
-      </Parameters>
-    </Envelope_Filter>
-    <Phaser8>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="1.0"/>
-        <PARAM id="feedback" value="0.75"/>
-        <PARAM id="modulation" value="0.75"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.9999999403953552"/>
-      </Parameters>
-    </Phaser8>
-    <Poly_Octave>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="dry" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="up2_octave" value="0.0"/>
-        <PARAM id="up_octave" value="0.0"/>
-      </Parameters>
-    </Poly_Octave>
-    <Trumble_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="level" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="stages" value="0.0"/>
-      </Parameters>
-    </Trumble_Drive>
-    <Opto_Phase>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="feedback" value="0.5"/>
-        <PARAM id="freq" value="330.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="range" value="0.5"/>
-        <PARAM id="rate" value="1.0"/>
-        <PARAM id="stages" value="1.0"/>
-        <PARAM id="stereo" value="0.0"/>
-      </Parameters>
-    </Opto_Phase>
-    <Phaser4>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="depth" value="1.0"/>
-        <PARAM id="fb_stage" value="0.0"/>
-        <PARAM id="feedback" value="0.6000000238418579"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="rate" value="0.9999999403953552"/>
-        <PARAM id="stereo" value="0.0"/>
-        <circuit_elements R6="24000.0" C1="4.700000033608376e-8"/>
-      </Parameters>
-    </Phaser4>
-    <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-      <port_0 connection_0="-1" connection_end_0="0"/>
-    </Input>
-    <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Output>
-  </proc_chain>
-  <Preset_State preset_dirty="1">
-    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
-            preset_file="">
-      <proc_chain>
-        <Input>
-          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
-            <PARAM id="on_off" value="1.0"/>
-          </Parameters>
-          <port_0 connection_0="-1" connection_end_0="0"/>
-        </Input>
-        <Output>
-          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
-            <PARAM id="on_off"/>
-          </Parameters>
-        </Output>
-      </proc_chain>
-      <extra_info/>
-    </Preset>
-  </Preset_State>
-</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_8.txt b/src/headless/tests/OldParamForwardStates/test_8.txt
deleted file mode 100644
index ea000869..00000000
--- a/src/headless/tests/OldParamForwardStates/test_8.txt
+++ /dev/null
@@ -1 +0,0 @@
-On/Off,Downsample,Anti-Alias,Bits,Smooth,Mix,On/Off,Speed,Intensity,# Stages,Stereo,Mix,On/Off,Cutoff,Drive,Diodes,# Diodes,On/Off,Bias,On/Off,Gain,Harm.,Smooth,+Clip,-Clip,Level,High Quality,On/Off,Threshold,Attack,Hold,Release,Gain,On/Off,Fuzz,Mode,Volume,On/Off,Freq,Depth,Attack,Release,Direct Control,On/Off,Bass,Middle,Treble,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_8.xml b/src/headless/tests/OldParamForwardStates/test_8.xml
deleted file mode 100644
index 117aeefc..00000000
--- a/src/headless/tests/OldParamForwardStates/test_8.xml
+++ /dev/null
@@ -1,130 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<state state_plugin_version="1.2.1">
-  <Parameters>
-    <PARAM id="dry_wet" value="1.0"/>
-    <PARAM id="in_gain" value="0.0"/>
-    <PARAM id="mono_mode" value="0.0"/>
-    <PARAM id="os_factor" value="1.0"/>
-    <PARAM id="os_mode" value="0.0"/>
-    <PARAM id="os_render_factor" value="1.0"/>
-    <PARAM id="os_render_like_realtime" value="1.0"/>
-    <PARAM id="os_render_mode" value="0.0"/>
-    <PARAM id="out_gain" value="0.0"/>
-  </Parameters>
-  <proc_chain>
-    <Krusher>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="antialias" value="0.0"/>
-        <PARAM id="bit_depth" value="12.0"/>
-        <PARAM id="bit_reduction_filter" value="1.0"/>
-        <PARAM id="mix" value="1.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="sample_rate" value="48000.0"/>
-      </Parameters>
-    </Krusher>
-    <Solo-Vibe>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="intensity" value="0.5"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="num_stages" value="4.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="speed" value="5.0"/>
-        <PARAM id="stereo" value="0.0"/>
-      </Parameters>
-    </Solo-Vibe>
-    <Diode_Rectifier>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="cutoff" value="5000.0009765625"/>
-        <PARAM id="diode" value="0.0"/>
-        <PARAM id="drive" value="0.5"/>
-        <PARAM id="num_diodes" value="1.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Diode_Rectifier>
-    <DC_Bias>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bias" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </DC_Bias>
-    <Muff_Clipper>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="clip1" value="0.0"/>
-        <PARAM id="clip2" value="0.0"/>
-        <PARAM id="harmonics" value="0.6499999761581421"/>
-        <PARAM id="high_q" value="1.0"/>
-        <PARAM id="level" value="0.6499999761581421"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="smoothing" value="0.0"/>
-        <PARAM id="sustain" value="0.5"/>
-      </Parameters>
-    </Muff_Clipper>
-    <Gate>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="10.0"/>
-        <PARAM id="hold" value="200.0000152587891"/>
-        <PARAM id="makeup" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="399.9999389648438"/>
-        <PARAM id="thresh" value="-35.0"/>
-      </Parameters>
-    </Gate>
-    <Fuzz_Machine>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="fuzz" value="0.5"/>
-        <PARAM id="model" value="1.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="vol" value="0.5"/>
-      </Parameters>
-    </Fuzz_Machine>
-    <Crying_Child>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="attack" value="0.9999999403953552"/>
-        <PARAM id="control_freq" value="0.5"/>
-        <PARAM id="depth" value="0.5"/>
-        <PARAM id="direct_control" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="release" value="25.00000381469727"/>
-      </Parameters>
-    </Crying_Child>
-    <Trainer_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.5"/>
-        <PARAM id="middle" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.5"/>
-      </Parameters>
-    </Trainer_Tone>
-    <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-      <port_0 connection_0="-1" connection_end_0="0"/>
-    </Input>
-    <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Output>
-  </proc_chain>
-  <Preset_State preset_dirty="1">
-    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
-            preset_file="">
-      <proc_chain>
-        <Input>
-          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
-            <PARAM id="on_off" value="1.0"/>
-          </Parameters>
-          <port_0 connection_0="-1" connection_end_0="0"/>
-        </Input>
-        <Output>
-          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
-            <PARAM id="on_off"/>
-          </Parameters>
-        </Output>
-      </proc_chain>
-      <extra_info/>
-    </Preset>
-  </Preset_State>
-</state>
diff --git a/src/headless/tests/OldParamForwardStates/test_9.txt b/src/headless/tests/OldParamForwardStates/test_9.txt
deleted file mode 100644
index 7befd3fe..00000000
--- a/src/headless/tests/OldParamForwardStates/test_9.txt
+++ /dev/null
@@ -1 +0,0 @@
-On/Off,Bass,Mids,Treble,On/Off,Gain,Speed,Drive,Low Cut,Forbidden Mode,On/Off,Channel 1,Channel 2,Channel 3,Channel 4,On/Off,Shift,Size,Decay,Mix,On/Off,Speed,Intensity,# Stages,Stereo,Mix,On/Off,Freq.,Q,Mode,Multi-Mode,Mode,On/Off,Channel 1,Channel 2,Channel 3,Channel 4,On/Off,Shift,Size,Decay,Mix,On/Off,Gain,Random Seed,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,EMPTY
\ No newline at end of file
diff --git a/src/headless/tests/OldParamForwardStates/test_9.xml b/src/headless/tests/OldParamForwardStates/test_9.xml
deleted file mode 100644
index 6ee6847d..00000000
--- a/src/headless/tests/OldParamForwardStates/test_9.xml
+++ /dev/null
@@ -1,131 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<state state_plugin_version="1.2.1">
-  <Parameters>
-    <PARAM id="dry_wet" value="1.0"/>
-    <PARAM id="in_gain" value="0.0"/>
-    <PARAM id="mono_mode" value="0.0"/>
-    <PARAM id="os_factor" value="1.0"/>
-    <PARAM id="os_mode" value="0.0"/>
-    <PARAM id="os_render_factor" value="1.0"/>
-    <PARAM id="os_render_like_realtime" value="1.0"/>
-    <PARAM id="os_render_mode" value="0.0"/>
-    <PARAM id="out_gain" value="0.0"/>
-  </Parameters>
-  <proc_chain>
-    <Blonde_Tone>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="bass" value="0.0"/>
-        <PARAM id="mid" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="treble" value="0.0"/>
-      </Parameters>
-    </Blonde_Tone>
-    <Pandora_Drive>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="drive" value="0.75"/>
-        <PARAM id="forbidden" value="0.0"/>
-        <PARAM id="gain" value="0.0"/>
-        <PARAM id="low_cut" value="144.0000152587891"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="speed" value="0.5"/>
-        <circuit_elements R4="43000.0" R5="240.0" R6="47.0" R7="560.0" R8="1100.0" C5="9.999999717180685e-10"
-                          C6="1.000000013351432e-10" C8="4.699999863078119e-6" C9="2.199999926233431e-6"
-                          C10="4.699999863078119e-6"/>
-      </Parameters>
-    </Pandora_Drive>
-    <Mixer>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain0" value="0.0"/>
-        <PARAM id="gain1" value="0.0"/>
-        <PARAM id="gain2" value="0.0"/>
-        <PARAM id="gain3" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Mixer>
-    <Shimmer_Reverb>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="feedback" value="1.0"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="shift" value="-12.0"/>
-        <PARAM id="size" value="1.0"/>
-      </Parameters>
-    </Shimmer_Reverb>
-    <Solo-Vibe>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="intensity" value="0.5"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="num_stages" value="4.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="speed" value="5.0"/>
-        <PARAM id="stereo" value="0.0"/>
-      </Parameters>
-    </Solo-Vibe>
-    <SVF>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="freq" value="8000.0009765625"/>
-        <PARAM id="mode" value="0.0"/>
-        <PARAM id="multi_mode" value="1.0"/>
-        <PARAM id="multi_mode_type" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="q_value" value="0.707099974155426"/>
-      </Parameters>
-    </SVF>
-    <Mixer>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain0" value="0.0"/>
-        <PARAM id="gain1" value="0.0"/>
-        <PARAM id="gain2" value="0.0"/>
-        <PARAM id="gain3" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Mixer>
-    <Shimmer_Reverb>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="feedback" value="1.0"/>
-        <PARAM id="mix" value="0.5"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="shift" value="-12.0"/>
-        <PARAM id="size" value="1.0"/>
-      </Parameters>
-    </Shimmer_Reverb>
-    <RONN>
-      <Parameters x_pos="0.0" y_pos="0.0" forwarding_params_slot_index="-1">
-        <PARAM id="gain_db" value="0.0"/>
-        <PARAM id="on_off" value="1.0"/>
-        <PARAM id="seed" value="0.0"/>
-      </Parameters>
-    </RONN>
-    <Input>
-      <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-      <port_0 connection_0="-1" connection_end_0="0"/>
-    </Input>
-    <Output>
-      <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046" forwarding_params_slot_index="-1">
-        <PARAM id="on_off" value="1.0"/>
-      </Parameters>
-    </Output>
-  </proc_chain>
-  <Preset_State preset_dirty="1">
-    <Preset name="Default" plugin="BYOD" vendor="CHOW" category="" version="0.5.3"
-            preset_file="">
-      <proc_chain>
-        <Input>
-          <Parameters x_pos="0.005020080134272575" y_pos="0.3221343755722046">
-            <PARAM id="on_off" value="1.0"/>
-          </Parameters>
-          <port_0 connection_0="-1" connection_end_0="0"/>
-        </Input>
-        <Output>
-          <Parameters x_pos="0.8594377636909485" y_pos="0.3221343755722046">
-            <PARAM id="on_off"/>
-          </Parameters>
-        </Output>
-      </proc_chain>
-      <extra_info/>
-    </Preset>
-  </Preset_State>
-</state>
diff --git a/src/processors/BaseProcessor.cpp b/src/processors/BaseProcessor.cpp
index 2a2669d0..ebf4bdac 100644
--- a/src/processors/BaseProcessor.cpp
+++ b/src/processors/BaseProcessor.cpp
@@ -164,6 +164,8 @@ void BaseProcessor::fromXML (XmlElement* xml, const chowdsp::Version&, bool load
 
     vts.state = ValueTree::fromXml (*xml); // don't use `replaceState()` otherwise UndoManager will clear
 
+    forwardingParamsSlotIndex = xml->getIntAttribute ("forwarding_params_slot_index", -1);
+
     if (loadPosition)
         loadPositionInfoFromXML (xml);
 
@@ -205,8 +207,6 @@ void BaseProcessor::loadPositionInfoFromXML (XmlElement* xml)
     auto xPos = (float) xml->getDoubleAttribute ("x_pos");
     auto yPos = (float) xml->getDoubleAttribute ("y_pos");
     editorPosition = juce::Point { xPos, yPos };
-
-    forwardingParamsSlotIndex = xml->getIntAttribute ("forwarding_params_slot_index", -1);
 }
 
 void BaseProcessor::addConnection (ConnectionInfo&& info)
diff --git a/src/state/ParamForwardManager.cpp b/src/state/ParamForwardManager.cpp
index 34885370..6b5e94d2 100644
--- a/src/state/ParamForwardManager.cpp
+++ b/src/state/ParamForwardManager.cpp
@@ -52,7 +52,6 @@ int ParamForwardManager::getNextUnusedParamSlot() const
         if (! paramSlotUsed[i])
             return i;
 
-    jassertfalse;
     return -1;
 }
 
@@ -127,7 +126,7 @@ void ParamForwardManager::processorAdded (BaseProcessor* proc)
         slotIndex = getNextUnusedParamSlot();
         if (slotIndex < 0)
         {
-            juce::Logger::writeToLog ("Unable to set up forawrding parameters for " + proc->getName() + " - no free slots available!");
+            juce::Logger::writeToLog ("Unable to set up forwarding parameters for " + proc->getName() + " - no free slots available!");
             return;
         }
 

From 4494ec50ba1e471413ee688a170717ad58f3acf4 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 12:32:00 -0800
Subject: [PATCH 07/11] CI changes (for now)

---
 .github/workflows/cmake.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 4f1ed363..4c74198f 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -28,7 +28,7 @@ jobs:
           - os: windows-2022
             cmake_args: "-TClangCL -A x64"
           - os: macos-13
-            cmake_args: "-DCMAKE_BUILD_TYPE=Release"
+            cmake_args: "-DCMAKE_BUILD_TYPE=Debug"
     
     steps:
     - name: Install Linux Deps
@@ -72,10 +72,10 @@ jobs:
 
     - name: Build
       shell: bash
-      run: cmake --build build --config Release --parallel 3 --target BYOD_Standalone BYOD_VST3 BYOD_CLAP BYOD_headless
+      run: cmake --build build --config Debug --parallel 3 --target BYOD_Standalone BYOD_VST3 BYOD_CLAP BYOD_headless
 
     - name: Unit Tests
-      if: runner.os == 'Linux'
+#      if: runner.os == 'Linux'
       run: build/BYOD --unit-tests --all
 
     - name: Validate

From d05771a22e34ca618336fba7b483ec8f7767c118 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 12:44:00 -0800
Subject: [PATCH 08/11] More logging for test failures

---
 src/headless/tests/ForwardingParamStabilityTest.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 48e28cf0..8272cf3f 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -235,7 +235,10 @@ class ForwardingParamStabilityTest : public UnitTest
                                    fileDir.getChildFile ("test_" + juce::String { i } + ".txt"));
         }();
 
+        juce::Logger::writeToLog ("Loading legacy state from file: " + stateFile.getFullPathName());
+        jassert (stateFile.existsAsFile());
         const auto stateXml = XmlDocument::parse (stateFile);
+        jassert (stateXml != nullptr);
         BYOD plugin;
         juce::MemoryBlock state;
         plugin.copyXmlToBinary (*stateXml, state);

From 304093056b905805037ef41fcd3f79cfef375b58 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 12:54:06 -0800
Subject: [PATCH 09/11] Smarter root directory determination for tests

---
 src/headless/CMakeLists.txt                         | 5 +++++
 src/headless/tests/AmpIRsSaveLoadTest.cpp           | 4 +---
 src/headless/tests/ForwardingParamStabilityTest.cpp | 4 +---
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/headless/CMakeLists.txt b/src/headless/CMakeLists.txt
index 28e6dd7d..e580113e 100644
--- a/src/headless/CMakeLists.txt
+++ b/src/headless/CMakeLists.txt
@@ -57,4 +57,9 @@ target_link_libraries(BYOD_headless PUBLIC
     BYOD
 )
 
+target_compile_definitions(BYOD_headless
+    PRIVATE
+        BYOD_ROOT_DIR="${CMAKE_SOURCE_DIR}"
+)
+
 set_target_properties(BYOD_headless PROPERTIES CXX_VISIBILITY_PRESET hidden)
diff --git a/src/headless/tests/AmpIRsSaveLoadTest.cpp b/src/headless/tests/AmpIRsSaveLoadTest.cpp
index 0bb3bacf..137cf851 100644
--- a/src/headless/tests/AmpIRsSaveLoadTest.cpp
+++ b/src/headless/tests/AmpIRsSaveLoadTest.cpp
@@ -36,9 +36,7 @@ class AmpIRsSaveLoadTest : public UnitTest
 
         const auto testIRFile = []
         {
-            auto rootDir = File::getSpecialLocation (File::currentExecutableFile);
-            while (rootDir.getFileName() != "BYOD")
-                rootDir = rootDir.getParentDirectory();
+            const auto rootDir = juce::File { BYOD_ROOT_DIR };
             return rootDir.getChildFile ("src/headless/tests/test_ir.wav");
         }();
 
diff --git a/src/headless/tests/ForwardingParamStabilityTest.cpp b/src/headless/tests/ForwardingParamStabilityTest.cpp
index 8272cf3f..f4779be6 100644
--- a/src/headless/tests/ForwardingParamStabilityTest.cpp
+++ b/src/headless/tests/ForwardingParamStabilityTest.cpp
@@ -227,9 +227,7 @@ class ForwardingParamStabilityTest : public UnitTest
 
         const auto [stateFile, paramsFile] = [i]
         {
-            auto rootDir = File::getSpecialLocation (File::currentExecutableFile);
-            while (rootDir.getFileName() != "BYOD")
-                rootDir = rootDir.getParentDirectory();
+            const auto rootDir = juce::File { BYOD_ROOT_DIR };
             const auto fileDir = rootDir.getChildFile ("src/headless/tests/OldParamForwardStates");
             return std::make_pair (fileDir.getChildFile ("test_" + juce::String { i } + ".xml"),
                                    fileDir.getChildFile ("test_" + juce::String { i } + ".txt"));

From 92fc43f14d29b9c3d7ecbe7aa082000828a76397 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 13:16:07 -0800
Subject: [PATCH 10/11] Resetting CI

---
 .github/workflows/cmake.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 4c74198f..692885ce 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -28,7 +28,7 @@ jobs:
           - os: windows-2022
             cmake_args: "-TClangCL -A x64"
           - os: macos-13
-            cmake_args: "-DCMAKE_BUILD_TYPE=Debug"
+            cmake_args: "-DCMAKE_BUILD_TYPE=Release"
     
     steps:
     - name: Install Linux Deps
@@ -72,10 +72,10 @@ jobs:
 
     - name: Build
       shell: bash
-      run: cmake --build build --config Debug --parallel 3 --target BYOD_Standalone BYOD_VST3 BYOD_CLAP BYOD_headless
+      run: cmake --build build --config Release --parallel 3 --target BYOD_Standalone BYOD_VST3 BYOD_CLAP BYOD_headless
 
     - name: Unit Tests
-#      if: runner.os == 'Linux'
+      if: runner.os == 'Linux' || runner.os == 'MacOS'
       run: build/BYOD --unit-tests --all
 
     - name: Validate

From ef096b83e1b34d3c9c097843470897b134ea7df8 Mon Sep 17 00:00:00 2001
From: jatin <jatinchowdhury18@gmail.com>
Date: Wed, 17 Jan 2024 21:06:45 -0800
Subject: [PATCH 11/11] Don't save forwarding param slots for processors when
 saving presets

---
 src/processors/BaseProcessor.cpp                   | 5 +++--
 src/processors/chain/ProcessorChainStateHelper.cpp | 7 +++++--
 src/processors/chain/ProcessorChainStateHelper.h   | 2 +-
 src/state/ParamForwardManager.h                    | 1 +
 src/state/presets/PresetManager.cpp                | 2 +-
 5 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/processors/BaseProcessor.cpp b/src/processors/BaseProcessor.cpp
index ebf4bdac..726d05a4 100644
--- a/src/processors/BaseProcessor.cpp
+++ b/src/processors/BaseProcessor.cpp
@@ -1,6 +1,7 @@
 #include "BaseProcessor.h"
 #include "gui/pedalboard/editors/ProcessorEditor.h"
 #include "netlist_helpers/NetlistViewer.h"
+#include "state/ParamForwardManager.h"
 
 BaseProcessor::BaseProcessor (const String& name,
                               ParamLayout params,
@@ -139,7 +140,7 @@ std::unique_ptr<XmlElement> BaseProcessor::toXML()
 
     xml->setAttribute ("x_pos", (double) editorPosition.x);
     xml->setAttribute ("y_pos", (double) editorPosition.y);
-    xml->setAttribute ("forwarding_params_slot_index", forwardingParamsSlotIndex);
+    xml->setAttribute (chowdsp::toString (ParamForwardManager::processorSlotIndexTag), forwardingParamsSlotIndex);
 
     if (netlistCircuitQuantities != nullptr)
     {
@@ -164,7 +165,7 @@ void BaseProcessor::fromXML (XmlElement* xml, const chowdsp::Version&, bool load
 
     vts.state = ValueTree::fromXml (*xml); // don't use `replaceState()` otherwise UndoManager will clear
 
-    forwardingParamsSlotIndex = xml->getIntAttribute ("forwarding_params_slot_index", -1);
+    forwardingParamsSlotIndex = xml->getIntAttribute (chowdsp::toString (ParamForwardManager::processorSlotIndexTag), -1);
 
     if (loadPosition)
         loadPositionInfoFromXML (xml);
diff --git a/src/processors/chain/ProcessorChainStateHelper.cpp b/src/processors/chain/ProcessorChainStateHelper.cpp
index 38c3de4e..9a1bb603 100644
--- a/src/processors/chain/ProcessorChainStateHelper.cpp
+++ b/src/processors/chain/ProcessorChainStateHelper.cpp
@@ -74,14 +74,17 @@ void ProcessorChainStateHelper::loadProcChain (const XmlElement* xml,
         });
 }
 
-std::unique_ptr<XmlElement> ProcessorChainStateHelper::saveProcChain()
+std::unique_ptr<XmlElement> ProcessorChainStateHelper::saveProcChain (bool savingPreset)
 {
     auto xml = std::make_unique<XmlElement> (procChainStateTag);
 
     auto saveProcessor = [&] (BaseProcessor* proc)
     {
         auto procXml = std::make_unique<XmlElement> (ChainStateHelperFuncs::getProcessorTagName (proc));
-        procXml->addChildElement (proc->toXML().release());
+        auto procParamsXml = proc->toXML();
+        if (savingPreset)
+            procParamsXml->removeAttribute (chowdsp::toString (ParamForwardManager::processorSlotIndexTag));
+        procXml->addChildElement (procParamsXml.release());
 
         for (int portIdx = 0; portIdx < proc->getNumOutputs(); ++portIdx)
         {
diff --git a/src/processors/chain/ProcessorChainStateHelper.h b/src/processors/chain/ProcessorChainStateHelper.h
index 6865f745..ae1ba5f2 100644
--- a/src/processors/chain/ProcessorChainStateHelper.h
+++ b/src/processors/chain/ProcessorChainStateHelper.h
@@ -7,7 +7,7 @@ class ProcessorChainStateHelper
 public:
     ProcessorChainStateHelper (ProcessorChain& thisChain, chowdsp::DeferredAction& deferredAction);
 
-    std::unique_ptr<XmlElement> saveProcChain();
+    std::unique_ptr<XmlElement> saveProcChain (bool savingPreset = false);
     void loadProcChain (const XmlElement* xml,
                         const chowdsp::Version& stateVersion,
                         bool loadingPreset = false,
diff --git a/src/state/ParamForwardManager.h b/src/state/ParamForwardManager.h
index 1346d13c..43badd08 100644
--- a/src/state/ParamForwardManager.h
+++ b/src/state/ParamForwardManager.h
@@ -10,6 +10,7 @@ class ParamForwardManager : public chowdsp::ForwardingParametersManager<ParamFor
 public:
     static constexpr int maxParameterCount = 12;
     static constexpr auto numParamSlots = 40;
+    static constexpr std::string_view processorSlotIndexTag = "forwarding_params_slot_index";
 
     ParamForwardManager (AudioProcessorValueTreeState& vts, ProcessorChain& chain);
     ~ParamForwardManager();
diff --git a/src/state/presets/PresetManager.cpp b/src/state/presets/PresetManager.cpp
index 4f4c0de7..fb42da12 100644
--- a/src/state/presets/PresetManager.cpp
+++ b/src/state/presets/PresetManager.cpp
@@ -283,7 +283,7 @@ void PresetManager::filterPresets (std::vector<chowdsp::Preset>& presets, const
 
 std::unique_ptr<XmlElement> PresetManager::savePresetState()
 {
-    auto xml = procChain->getStateHelper().saveProcChain();
+    auto xml = procChain->getStateHelper().saveProcChain (true);
     StateManager::setCurrentPluginVersionInXML (xml.get());
     return xml;
 }