ModdingSupport/Red Alert 3/Shaders/WaterReflection.scrapeh

//////////////////////////////////////////////////////////////////////////////
// ©2007 Electronic Arts Inc
//
// Scrape script for Water
//////////////////////////////////////////////////////////////////////////////
#ifndef SCRAPE_SCRIPT_WATER_SCRAPEH
#define SCRAPE_SCRIPT_WATER_SCRAPEH

//
// Water
//

#define WaterReflectionSize 512

var texture WaterReflectionTexture WaterReflectionSize WaterReflectionSize $WW3D.FrameRenderTargetTextureFormat

#if defined(EA_PLATFORM_WINDOWS)
	#define WaterReflectionRenderTarget WaterReflectionTexture
#elif defined(EA_PLATFORM_XENON)
	var surface WaterReflectionRenderTarget edram WaterReflectionSize WaterReflectionSize $WW3D.FrameRenderTargetSurfaceFormat
#endif

var camera Reflection

proc updateWaterReflection
	if Water IsReflectionVisible
		beginevent UpdateWaterReflection
		
		// We shouldn't render the soft particles when doing the reflection because we don't 
		// have a depth buffer from the water's perspective.
		setbool Particle ReallyRenderSoftParticles false
		
		setdepth DepthBuffer	// Set depth buffer before render target, as RNA derives the current viewport size from the last render target/depth buffer set, and we want to use the RT size as viewport
		settarget 0 WaterReflectionRenderTarget
		
		setclearcolor		0 0 0 1
		setcleardepth       1.0
		clear

		setcamera Reflection
		visibleobjects Reflection
		
		if DebugToggle BaselineRendering.IsEnabled
			if DebugToggle TerrainReflection.IsEnabled
				renderTerrain
			endif

			// Render cliffs, sea walls, road segments over terrain but below scorch marks
			renderbin TerrainLikeGroundObject
		endif

		renderbin Bridge
		
        beginevent RenderCasters_Units
		    callproc renderBinsUnit
		    callproc renderBinsUnitOutline
        endevent RenderCasters_Units

		if DebugToggle BaselineRendering.IsEnabled
			renderbin Solid
		endif

		if DebugToggle BaselineRendering.IsEnabled
			if DebugToggle StructureReflection.IsEnabled
				beginevent RenderCasters_Structures
					renderbin Structure
					callproc renderBinsStructureOutline
				endevent RenderCasters_Structures
			endif
		endif

		renderbin StaticSort5 // Underwater Sorting
		callproc renderBinsStaticSort
		renderbin Transparent
		renderParticles
		renderTracers
		renderLasers
		renderConnectionLines
				
#if defined(EA_PLATFORM_XENON)
		resolve WaterReflectionTexture
#endif

		settexture Water ReflectionTexture WaterReflectionTexture
		
		setbool Particle ReallyRenderSoftParticles true
		
		endevent UpdateWaterReflection
	else
		//settexture Water ReflectionTexture <a black texture>
	endif
endproc

proc updateWaterRefraction
	if Water IsRefractionVisible
		// Copy current contents of frame buffer into a screen sized texture
#if defined(EA_PLATFORM_XENON)
		resolve PostEffectFrameBufferTexture
#else
		if WW3D IsUsingFrameRenderTarget
			stretchrect FrameRenderTarget PostEffectFrameBufferTexture
		else
			stretchrect FrameBuffer PostEffectFrameBufferTexture
		endif
#endif
		
		settexture Water RefractionTexture PostEffectFrameBufferTexture
	else
		//settexture Water RefractionTexture <a black texture>
	endif
endproc

#endif // SCRAPE_SCRIPT_WATER_SCRAPEH