vertexlitgeneric_dx9.cpp #1

//========= Copyright  1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: 
//
// $Header: $
// $NoKeywords: $
//=============================================================================//

#include "BaseVSShader.h"
#include "vertexlitgeneric_dx9_helper.h"

BEGIN_VS_SHADER( VertexLitGeneric_DX9, 
				"Help for VertexLitGeneric_DX9" )
	BEGIN_SHADER_PARAMS
		SHADER_PARAM( ALBEDO, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "albedo (Base texture with no baked lighting)" )
		SHADER_PARAM( SELFILLUMTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "Self-illumination tint" )
		SHADER_PARAM( DETAIL, SHADER_PARAM_TYPE_TEXTURE, "shadertest/detail", "detail texture" )
		SHADER_PARAM( DETAILFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $detail" )
		SHADER_PARAM( DETAILSCALE, SHADER_PARAM_TYPE_FLOAT, "4", "scale of the detail texture" )
		SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_env", "envmap" )
		SHADER_PARAM( ENVMAPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "envmap frame number" )
		SHADER_PARAM( ENVMAPMASK, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_envmask", "envmap mask" )
		SHADER_PARAM( ENVMAPMASKFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "" )
		SHADER_PARAM( ENVMAPMASKTRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$envmapmask texcoord transform" )
		SHADER_PARAM( ENVMAPTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "envmap tint" )
		SHADER_PARAM( BUMPMAP, SHADER_PARAM_TYPE_TEXTURE, "models/shadertest/shader1_normal", "bump map" )
		SHADER_PARAM( BUMPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $bumpmap" )
		SHADER_PARAM( BUMPTRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$bumpmap texcoord transform" )
		SHADER_PARAM( ENVMAPCONTRAST, SHADER_PARAM_TYPE_FLOAT, "0.0", "contrast 0 == normal 1 == color*color" )
		SHADER_PARAM( ENVMAPSATURATION, SHADER_PARAM_TYPE_FLOAT, "1.0", "saturation 0 == greyscale 1 == normal" )
 	    SHADER_PARAM( SELFILLUM_ENVMAPMASK_ALPHA, SHADER_PARAM_TYPE_FLOAT,"0.0","defines that self illum value comes from env map mask alpha" )

		// Debugging term for visualizing ambient data on its own
		SHADER_PARAM( AMBIENTONLY, SHADER_PARAM_TYPE_INTEGER, "0", "Control drawing of non-ambient light ()" )

		SHADER_PARAM( PHONGEXPONENT, SHADER_PARAM_TYPE_FLOAT, "5.0", "Phong exponent for local specular lights" )
		SHADER_PARAM( LIGHTWARPTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "1D ramp texture for tinting scalar diffuse term" )
		SHADER_PARAM( PHONGFRESNELRANGES, SHADER_PARAM_TYPE_VEC3, "[0  0.5  1]", "Parameters for remapping fresnel output" )
		SHADER_PARAM( PHONGBOOST, SHADER_PARAM_TYPE_FLOAT, "1.0", "Phong overbrightening factor (specular mask channel should be authored to account for this)" )
		SHADER_PARAM( PHONGEXPONENTTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "Phong Exponent map" )
		SHADER_PARAM( PHONG, SHADER_PARAM_TYPE_BOOL, "0", "enables phong lighting" )
	END_SHADER_PARAMS

	void SetupVars( VertexLitGeneric_DX9_Vars_t& info )
	{
		info.m_nBaseTexture = BASETEXTURE;
		info.m_nBaseTextureFrame = FRAME;
		info.m_nBaseTextureTransform = BASETEXTURETRANSFORM;
		info.m_nAlbedo = ALBEDO;
		info.m_nSelfIllumTint = SELFILLUMTINT;
		info.m_nDetail = DETAIL;
		info.m_nDetailFrame = DETAILFRAME;
		info.m_nDetailScale = DETAILSCALE;
		info.m_nEnvmap = ENVMAP;
		info.m_nEnvmapFrame = ENVMAPFRAME;
		info.m_nEnvmapMask = ENVMAPMASK;
		info.m_nEnvmapMaskFrame = ENVMAPMASKFRAME;
		info.m_nEnvmapMaskTransform = ENVMAPMASKTRANSFORM;
		info.m_nEnvmapTint = ENVMAPTINT;
		info.m_nBumpmap = BUMPMAP;
		info.m_nBumpFrame = BUMPFRAME;
		info.m_nBumpTransform = BUMPTRANSFORM;
		info.m_nEnvmapContrast = ENVMAPCONTRAST;
		info.m_nEnvmapSaturation = ENVMAPSATURATION;
		info.m_nAlphaTestReference = -1;
		info.m_nFlashlightTexture = FLASHLIGHTTEXTURE;
		info.m_nFlashlightTextureFrame = FLASHLIGHTTEXTUREFRAME;
		info.m_nSelfIllumEnvMapMask_Alpha = SELFILLUM_ENVMAPMASK_ALPHA;
		info.m_nAmbientOnly = AMBIENTONLY;
		info.m_nPhongExponent = PHONGEXPONENT;
		info.m_nPhongExponentTexture = PHONGEXPONENTTEXTURE;
		info.m_nLightWarpTexture = LIGHTWARPTEXTURE;
		info.m_nPhongBoost = PHONGBOOST;
		info.m_nPhongFresnelRanges = PHONGFRESNELRANGES;
		info.m_nPhong = PHONG;
	}

	SHADER_INIT_PARAMS()
	{
		VertexLitGeneric_DX9_Vars_t vars;
		SetupVars( vars );
		InitParamsVertexLitGeneric_DX9( this, params, pMaterialName, true, vars );
	}

	SHADER_FALLBACK
	{	
		if (g_pHardwareConfig->GetDXSupportLevel() < 70)
			return "VertexLitGeneric_DX6";

		if (g_pHardwareConfig->GetDXSupportLevel() < 80)
			return "VertexLitGeneric_DX7";

		if (g_pHardwareConfig->GetDXSupportLevel() < 90)
			return "VertexLitGeneric_DX8";

		return 0;
	}

	SHADER_INIT
	{
		VertexLitGeneric_DX9_Vars_t vars;
		SetupVars( vars );
		InitVertexLitGeneric_DX9( this, params, true, vars );
	}

	SHADER_DRAW
	{
		VertexLitGeneric_DX9_Vars_t vars;
		SetupVars( vars );
		DrawVertexLitGeneric_DX9( this, params, pShaderAPI, pShaderShadow, true, vars );
		Draw();
	}
END_SHADER