Write custom primitives even when they already exist #768 (#769)

Co-authored-by: Sebastien Blaineau-Ortega <sebastien.blaineau.ortega@autodesk.com>
Autodesk · Jun 1, 2021 · 56cddbd · 56cddbd
1 parent f632ca9
commit 56cddbd
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Showing 2 changed files with 4 additions and 18 deletions.
diff --git a/translator/writer/write_arnold_type.cpp b/translator/writer/write_arnold_type.cpp
@@ -48,19 +48,15 @@ void UsdArnoldWriteArnoldType::Write(const AtNode *node, UsdArnoldWriter &writer
     UsdStageRefPtr stage = writer.GetUsdStage();    // get the current stage defined in the writer
     SdfPath objPath(nodeName);
 
-    UsdPrim prim = stage->GetPrimAtPath(objPath);
-    if (prim && prim.IsActive()) {
-        // This primitive was already written, let's early out
-        return;
-    }
     const AtNodeEntry *nodeEntry = AiNodeGetNodeEntry(node);
     int nodeEntryType = AiNodeEntryGetType(nodeEntry);
     bool isXformable = (nodeEntryType == AI_NODE_SHAPE 
         || nodeEntryType == AI_NODE_CAMERA || nodeEntryType == AI_NODE_LIGHT);
 
     if (isXformable)
         writer.CreateHierarchy(objPath);
-    prim = stage->DefinePrim(objPath, TfToken(_usdName));
+
+    UsdPrim prim = stage->DefinePrim(objPath, TfToken(_usdName));
 
     // For arnold nodes that have a transform matrix, we read it as in a 
     // UsdGeomXformable
@@ -150,13 +146,8 @@ void UsdArnoldWriteGinstance::Write(const AtNode *node, UsdArnoldWriter &writer)
     UsdStageRefPtr stage = writer.GetUsdStage();    // get the current stage defined in the writer
     SdfPath objPath(nodeName);
 
-    UsdPrim prim = stage->GetPrimAtPath(objPath);
-    if (prim && prim.IsActive()) {
-        // This primitive was already written, let's early out
-        return;
-    }
     writer.CreateHierarchy(objPath);
-    prim = stage->DefinePrim(objPath, TfToken(_usdName));
+    UsdPrim prim = stage->DefinePrim(objPath, TfToken(_usdName));
 
     AtNode *target = (AtNode *)AiNodeGetPtr(node, "node");
     if (target) {

diff --git a/translator/writer/write_geometry.cpp b/translator/writer/write_geometry.cpp
@@ -287,14 +287,9 @@ void UsdArnoldWriteProceduralCustom::Write(const AtNode *node, UsdArnoldWriter &
     SdfPath objPath(nodeName);
     _exportedAttrs.insert("name");
 
-    UsdPrim prim = stage->GetPrimAtPath(objPath);
-    if (prim && prim.IsActive()) {
-        // This primitive was already written, let's early out
-        return;
-    }
     // All custom procedurals are written as ArnoldProceduralCustom schema
     writer.CreateHierarchy(objPath);
-    prim = stage->DefinePrim(objPath, TfToken("ArnoldProceduralCustom"));
+    UsdPrim prim = stage->DefinePrim(objPath, TfToken("ArnoldProceduralCustom"));
 
     // Set the procedural node entry name as an attribute "arnold:node_entry"
     UsdAttribute nodeTypeAttr = prim.CreateAttribute(TfToken("arnold:node_entry"), SdfValueTypeNames->String, false);