TS/RA2 SHP shadow support.

code/redalert/bdata.cpp

@@ -4084,6 +4084,7 @@ bool BuildingTypeClass::Read_INI(CCINIClass & ini)
 			ActiveAnimAnimShape = MFCD::Retrieve(ConstructAnimName);
 		}
 
+		IdleHasShadowFrames = ini.Get_Int(Name(), "IdleHasShadowFrames", 0);
 		IdleAnimNonDamagedStart = ini.Get_Int(Name(), "IdleAnimNonDamagedStart", -1);
 		IdleAnimNonDamagedFrames = ini.Get_Int(Name(), "IdleAnimNonDamagedFrames", -1);
 		IdleAnimDamagedStart = ini.Get_Int(Name(), "IdleAnimDamagedStart", -1);

code/redalert/building.cpp

@@ -528,6 +528,30 @@ void BuildingClass::Draw_It(int x, int y, WindowNumberType window) const
 	CCGlobalOveridePalette = NULL;
 // jmarshall end
 
+
+// jmarshall - shadows are going to need to be done differently, but for now this will work.
+	if (Get_Build_TS_Shape(shapefile))
+	{
+		CCGlobalShadowRender = true;
+		{
+			int shadowFrameOffset = Get_Build_Frame_Count(shapefile) / 2;
+			Techno_Draw_Object(shapefile, shadowFrameOffset + Shape_Number(), x, y, window);
+		}
+		if (Class->IdleHasShadowFrames && Class->IdleAnimShape != NULL) {
+			int shapeNum = animFrameNum;
+			int maxframes = Get_Build_Frame_Count(Class->IdleAnimShape);
+			if (Class->IdleAnimNonDamagedFrames != -1) {
+				maxframes = Class->IdleAnimNonDamagedFrames;
+			}
+
+			shapeNum = shapeNum % maxframes;
+			int shadowFrameOffset = Get_Build_Frame_Count(Class->IdleAnimShape) / 2;
+			Techno_Draw_Object(Class->IdleAnimShape, shadowFrameOffset + shapeNum, x, y, window);
+		}
+		CCGlobalShadowRender = false;
+	}
+// jmarshall end
+
 	IsTheaterShape = false;
 
 	/*

code/redalert/externs.h

@@ -322,6 +322,7 @@ extern int							ScenarioInit;
 extern HouseClass *				PlayerPtr;
 extern PaletteClass 				CCPalette;
 extern void*						CCGlobalOveridePalette;
+extern bool							CCGlobalShadowRender;
 extern int							CCPaletteHouseColor;
 extern HSVClass						HSVColors[8];
 extern PaletteClass 				BlackPalette;

code/redalert/globals.cpp

@@ -551,6 +551,7 @@ HouseClass * PlayerPtr;
 */
 PaletteClass CCPalette;
 void* CCGlobalOveridePalette = NULL;
+bool CCGlobalShadowRender = false;
 int	CCPaletteHouseColor = 0;
 PaletteClass GamePalette;
 //PaletteClass InGamePalette;

code/redalert/newblit.cpp

@@ -36,8 +36,8 @@ static void GL_EnableBlendCallback(const ImDrawList* parent_list, const ImDrawCm
 		glBlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
 	}
 	else {
-		glBlendEquation(GL_MULT);
-		glBlendFunc(GL_DST_COLOR, GL_ZERO);
+		//glBlendEquation(GL_MULT);
+		glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA);
 	}
 }
 

code/redalert/shape.cpp

@@ -427,6 +427,11 @@ long Buffer_Frame_To_Page(int shapeNum, int x, int y, int width, int height, str
     //
     //    return 0;
     //}
+
+    if(CCGlobalShadowRender) {
+        GL_EnableBlend(GL_BLEND_MULT);
+    }
+
     xstart = xstart + WindowList[Window][WINDOWX];// + LogicPage->Get_XPos();
 	ystart = ystart + WindowList[Window][WINDOWY];// + LogicPage->Get_YPos();
     //GL_SetClipRect(WindowList[Window][WINDOWX], WindowList[Window][WINDOWY], WindowList[Window][WINDOWWIDTH], WindowList[Window][WINDOWWIDTH]);    
@@ -435,6 +440,10 @@ long Buffer_Frame_To_Page(int shapeNum, int x, int y, int width, int height, str
     else
         GL_RenderImage(shape_image, xstart, ystart, width, height, 0);
 
+	if (CCGlobalShadowRender) {
+		GL_EnableBlend(GL_BLEND_NONE);
+	}
+
     // Here we just use the function that will blit the entire frame
     // using the appropriate effects.
     //if (blit_height > 0 && blit_width > 0) {

code/redalert/type.h

@@ -821,6 +821,7 @@ class BuildingTypeClass : public TechnoTypeClass {
 		const void* CustomTheatrePalette[3];
 		const void* IdleAnimShape;
 		const void* ActiveAnimAnimShape;
+		int IdleHasShadowFrames;
 		int IdleAnimNonDamagedStart;
 		int IdleAnimNonDamagedFrames;
 		int IdleAnimDamagedStart;

code/redalert/winstub.cpp

@@ -510,7 +510,13 @@ Image_t* Image_CreateImageFrom8Bit(const char* name, int Width, int Height, unsi
 		unsigned char b = 0;
 		unsigned char a = 0;
 
-		if (CCGlobalOveridePalette && remap) {
+		if (CCGlobalShadowRender && c != 0) {
+			r = 120;
+			g = 120;
+			b = 120;
+			a = 120;
+		}
+		else if (CCGlobalOveridePalette && remap) {
 			r = ccpalete[(c * 3) + 0] << 2;
 			g = ccpalete[(c * 3) + 1] << 2;
 			b = ccpalete[(c * 3) + 2] << 2;