Moving widescreen functions to separate file.

sonicretro · Nov 27, 2017 · a2388f6 · a2388f6
1 parent bb869d9
commit a2388f6
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Showing 5 changed files with 204 additions and 183 deletions.
diff --git a/SonicRModLoader/SonicRModLoader.vcxproj b/SonicRModLoader/SonicRModLoader.vcxproj
@@ -103,6 +103,7 @@
     <ClInclude Include="Music.h" />
     <ClInclude Include="stdafx.h" />
     <ClInclude Include="targetver.h" />
+    <ClInclude Include="Widescreen.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="dllmain.cpp" />
@@ -116,6 +117,7 @@
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="Widescreen.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\mod-loader-common\ModLoaderCommon\ModLoaderCommon.vcxproj">

diff --git a/SonicRModLoader/SonicRModLoader.vcxproj.filters b/SonicRModLoader/SonicRModLoader.vcxproj.filters
@@ -48,6 +48,9 @@
     <ClInclude Include="Music.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Widescreen.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
@@ -74,5 +77,8 @@
     <ClCompile Include="Music.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Widescreen.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
diff --git a/SonicRModLoader/Widescreen.cpp b/SonicRModLoader/Widescreen.cpp
@@ -0,0 +1,186 @@
+#include "stdafx.h"
+#include "Widescreen.h"
+#include "SonicRModLoader.h"
+
+// Widescreen support
+int MapWidthTo640() {
+	int HorizontalResolution = *(int*)0x5F3874;
+	int VerticalResolution = *(int*)0x75353C;
+	float AspRatio = (float)HorizontalResolution / (float)VerticalResolution;
+	return (int)(480 * AspRatio);
+}
+
+int GetExtraSpace() {
+	return (MapWidthTo640() - 640);
+}
+
+void D3D_RenderHUD_MainTimer_AlignRight(
+	int XPos, int YPos, float ZPos, int Time, int Unk
+) {
+	int *SpriteXOff = (int*)0x72E010;
+	int tmp = *SpriteXOff;
+	// Right side of screen?
+	if (*SpriteXOff + 1 >= (HorizontalResolution >> 1)) {
+		*SpriteXOff = HorizontalResolution >> 1;
+	}
+	else {
+		*SpriteXOff = 0;
+	}
+	int WidthRatio = 0;
+	if (MP_WindowCount == 2 && MP_HUD2PSplit == 1) {
+		WidthRatio = 1;
+	}
+
+	D3D_RenderHUD_MainTimer(
+		XPos + (GetExtraSpace() >> WidthRatio), YPos, ZPos, Time, Unk
+	);
+
+	*SpriteXOff = tmp;
+}
+
+void D3D_RenderHUD_LapTimer_AlignRight(int XPos, int YPos, int Time) {
+	int *SpriteXOff = (int*)0x72E010;
+	int tmp = *SpriteXOff;
+	// Right side of screen?
+	if (*SpriteXOff + 1 >= (HorizontalResolution >> 1)) {
+		*SpriteXOff = HorizontalResolution >> 1;
+	}
+	else {
+		*SpriteXOff = 0;
+	}
+	int WidthRatio = 0;
+	if (MP_WindowCount == 2 && MP_HUD2PSplit == 1) {
+		WidthRatio = 1;
+	}
+
+	D3D_RenderHUD_LapTimer(
+		//(int)((WidthRatio * HorizontalResolution)) - (640 * WidthRatio - XPos),
+		XPos + (GetExtraSpace() >> WidthRatio), YPos, Time
+	);
+
+	*SpriteXOff = tmp;
+}
+
+void D3D_Render2DObject_AlignLeft(
+	int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage,
+	int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint
+) {
+	// We run into clipping issues, so we have to disable our centering hack
+	// to left-align HUD elements
+	int *SpriteXOff = (int*)0x72E010;
+	int tmp = *SpriteXOff;
+	// Right side of screen?
+	if (*SpriteXOff + 1 >= (HorizontalResolution >> 1)) {
+		*SpriteXOff = HorizontalResolution >> 1;
+	}
+	else {
+		*SpriteXOff = 0;
+	}
+
+	D3D_Render2DObject(
+		XPos, YPos, ZPos, XScale, YScale, TexPage,
+		TexXOff, TexYOff, TexWidth, TexHeight, TexTint
+	);
+
+	*SpriteXOff = tmp;
+}
+
+void D3D_Render2DObject_AlignRight(
+	int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage,
+	int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint
+) {
+	int *SpriteXOff = (int*)0x72E010;
+	int tmp = *SpriteXOff;
+	// Right side of screen?
+	if (*SpriteXOff + 1 >= (HorizontalResolution >> 1)) {
+		*SpriteXOff = HorizontalResolution >> 1;
+	}
+	else {
+		*SpriteXOff = 0;
+	}
+	int WidthRatio = 0;
+	if (MP_WindowCount == 2 && MP_HUD2PSplit == 1) {
+		WidthRatio = 1;
+	}
+
+	D3D_Render2DObject(
+		XPos + (GetExtraSpace() >> WidthRatio),
+		YPos, ZPos, XScale, YScale, TexPage,
+		TexXOff, TexYOff, TexWidth, TexHeight, TexTint
+	);
+
+	*SpriteXOff = tmp;
+}
+
+void D3D_Render2DObject_AlignCenter(
+	int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage,
+	int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint
+) {
+	int *SpriteXOff = (int*)0x72E010;
+	int tmp = *SpriteXOff;
+	int HorizOffset = 0;
+	int MPScaler = 0;
+	int *XStretch = (int*)0x7BCB88;
+	int ExpectedXScale = (int)(VerticalResolution * (16.0f / 15.0f));
+	bool NeedsHalving = (*XStretch != ExpectedXScale);
+
+	if (*SpriteXOff + 1 >= (HorizontalResolution >> 1)) {
+		HorizOffset = HorizontalResolution;
+	}
+	if ((MP_WindowCount == 2 && MP_HUD2PSplit == 1) || NeedsHalving) {
+		HorizOffset = HorizOffset >> 2;
+		MPScaler = 1; // Divide center by 2
+	}
+
+	*SpriteXOff = HorizOffset + (tmp >> MPScaler);
+	D3D_Render2DObject(
+		XPos, YPos, ZPos, XScale, YScale, TexPage,
+		TexXOff, TexYOff, TexWidth, TexHeight, TexTint
+	);
+
+	*SpriteXOff = tmp;
+}
+
+void D3D_Render2DObject_AlignAuto(
+	int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage,
+	int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint
+) {
+	int CompVal = 320;
+	if (MP_WindowCount == 2 && MP_HUD2PSplit == 1) {
+		CompVal = 120;
+	}
+	if (XPos < CompVal) {
+		D3D_Render2DObject_AlignLeft(
+			XPos, YPos, ZPos, XScale, YScale, TexPage,
+			TexXOff, TexYOff, TexWidth, TexHeight, TexTint
+		);
+	}
+	else {
+		D3D_Render2DObject_AlignRight(
+			XPos, YPos, ZPos, XScale, YScale, TexPage,
+			TexXOff, TexYOff, TexWidth, TexHeight, TexTint
+		);
+	}
+}
+
+void Render_SetViewport_FixUp() {
+	int *XStretch = (int*)0x7BCB88;
+	int *XOff = (int*)0x7AF248;
+	// donor address (doesn't seem to effect anything)
+	int *SpriteXOff = (int*)0x72E010;
+	float AspRatio = (float)HorizontalResolution / (float)VerticalResolution;
+	int ExpectedXScale = HorizontalResolution * 0.8;
+	bool NeedsHalving = (*XStretch != ExpectedXScale);
+	//float WidthAdjRatio = (4.0f / 3.0f) / AspRatio;
+
+	float InvAspRatio = (float)VerticalResolution / (float)HorizontalResolution;
+	*XStretch = (int)(VerticalResolution * (16.0f / 15.0f));
+
+	// Vertical split requires halved aspect ratio
+	if (NeedsHalving && MP_WindowCount > 1) {
+		*XStretch /= 2;
+	}
+
+	// Simplified form of (HorizontalResolution - (VerticalResolution * (4.0f/3.0f))) / 2
+	*SpriteXOff = *XOff + (int)(((0.5f) * HorizontalResolution) - ((2.0f / 3.0f) * VerticalResolution));
+}
diff --git a/SonicRModLoader/Widescreen.h b/SonicRModLoader/Widescreen.h
@@ -0,0 +1,9 @@
+#pragma once
+
+void D3D_RenderHUD_MainTimer_AlignRight(int XPos, int YPos, float ZPos, int Time, int Unk);
+void D3D_RenderHUD_LapTimer_AlignRight(int XPos, int YPos, int Time);
+void D3D_Render2DObject_AlignLeft(int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage, int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint);
+void D3D_Render2DObject_AlignRight(int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage, int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint);
+void D3D_Render2DObject_AlignCenter(int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage, int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint);
+void D3D_Render2DObject_AlignAuto(int XPos, int YPos, float ZPos, int XScale, int YScale, int TexPage, int TexXOff, int TexYOff, int TexWidth, int TexHeight, int TexTint);
+void Render_SetViewport_FixUp();