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129 lines
5.4 KiB
129 lines
5.4 KiB
//========= Copyright © 1996-2007, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Ice surface shader (for the ice gun)
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//
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//=============================================================================//
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#include "BaseVSShader.h"
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#include "paintblob_helper.h"
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#include "cpp_shader_constant_register_map.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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DEFINE_FALLBACK_SHADER( paintblob, paintblob_dx9 )
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BEGIN_VS_SHADER( paintblob_dx9, "paintblob" )
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BEGIN_SHADER_PARAMS
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SHADER_PARAM( BACKSURFACE, SHADER_PARAM_TYPE_BOOL, "0.0", "specify that this is the back surface of the ice" )
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SHADER_PARAM( NORMALMAP, SHADER_PARAM_TYPE_TEXTURE, "models/shadertest/shader1_normal", "normal map" )
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SHADER_PARAM( SPECMASKTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "specular reflection mask" )
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SHADER_PARAM( LIGHTWARPTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "1D ramp texture for tinting scalar diffuse term" )
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SHADER_PARAM( FRESNELWARPTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "1D ramp texture for controlling fresnel falloff" )
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SHADER_PARAM( OPACITYTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "1D ramp texture for controlling fresnel falloff" )
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SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "", "environment map" )
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SHADER_PARAM( UVSCALE, SHADER_PARAM_TYPE_FLOAT, "0.02", "uv projection scale" )
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SHADER_PARAM( BUMPSTRENGTH, SHADER_PARAM_TYPE_FLOAT, "1.0", "bump map strength" )
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SHADER_PARAM( FRESNELBUMPSTRENGTH, SHADER_PARAM_TYPE_FLOAT, "1.0", "bump map strength for fresnel" )
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SHADER_PARAM( TRANSLUCENTFRESNELMINMAXEXP, SHADER_PARAM_TYPE_VEC3, "[0.8 1.0 1.0]", "fresnel params" )
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SHADER_PARAM( INTERIOR, SHADER_PARAM_TYPE_BOOL, "1", "Enable interior layer" )
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SHADER_PARAM( INTERIORFOGSTRENGTH, SHADER_PARAM_TYPE_FLOAT, "0.06", "fog strength (scales with thickness of the interior volume)" )
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SHADER_PARAM( INTERIORBACKGROUNDBOOST, SHADER_PARAM_TYPE_FLOAT, "7", "boosts the brightness of bright background pixels" )
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SHADER_PARAM( INTERIORAMBIENTSCALE, SHADER_PARAM_TYPE_FLOAT, "0.3", "scales ambient light in the interior volume" );
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SHADER_PARAM( INTERIORBACKLIGHTSCALE, SHADER_PARAM_TYPE_FLOAT, "0.3", "scales backlighting in the interior volume" );
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SHADER_PARAM( INTERIORREFRACTSTRENGTH, SHADER_PARAM_TYPE_FLOAT, "0.015", "strength of bumped refract of the background seen through the interior" )
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SHADER_PARAM( DIFFUSESCALE, SHADER_PARAM_TYPE_FLOAT, "1.0", "" )
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SHADER_PARAM( PHONGEXPONENT, SHADER_PARAM_TYPE_FLOAT, "1.0", "specular exponent" )
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SHADER_PARAM( PHONGBOOST, SHADER_PARAM_TYPE_FLOAT, "1.0", "specular boost" )
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SHADER_PARAM( PHONGEXPONENT2, SHADER_PARAM_TYPE_FLOAT, "1.0", "specular exponent" )
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SHADER_PARAM( PHONGBOOST2, SHADER_PARAM_TYPE_FLOAT, "1.0", "specular boost" )
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SHADER_PARAM( RIMLIGHTEXPONENT, SHADER_PARAM_TYPE_FLOAT, "1.0", "rim light exponent" )
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SHADER_PARAM( RIMLIGHTBOOST, SHADER_PARAM_TYPE_FLOAT, "1.0", "rim light boost" )
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SHADER_PARAM( BASECOLORTINT, SHADER_PARAM_TYPE_VEC3, "[1.0 1.0 1.0]", "base texture tint" )
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SHADER_PARAM( UVPROJOFFSET, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "Center for UV projection" )
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SHADER_PARAM( BBMIN, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "" )
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SHADER_PARAM( BBMAX, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "" )
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SHADER_PARAM( CONTACTSHADOWS, SHADER_PARAM_TYPE_BOOL, "1", "" )
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SHADER_PARAM( BUMPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "" )
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END_SHADER_PARAMS
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void SetupVarsIceSurface( PaintBlobVars_t &info )
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{
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info.m_nBackSurface = BACKSURFACE;
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info.m_nBaseTexture = BASETEXTURE;
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info.m_nNormalMap = NORMALMAP;
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info.m_nSpecMap = SPECMASKTEXTURE;
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info.m_nLightWarpTexture = LIGHTWARPTEXTURE;
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info.m_nFresnelWarpTexture = FRESNELWARPTEXTURE;
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info.m_nOpacityTexture = OPACITYTEXTURE;
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info.m_nEnvMap = ENVMAP;
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info.m_nBumpStrength = BUMPSTRENGTH;
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info.m_nFresnelBumpStrength = FRESNELBUMPSTRENGTH;
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info.m_nUVScale = UVSCALE;
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info.m_nInteriorEnable = INTERIOR;
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info.m_nInteriorFogStrength = INTERIORFOGSTRENGTH;
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info.m_nInteriorBackgroundBoost = INTERIORBACKGROUNDBOOST;
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info.m_nInteriorAmbientScale = INTERIORAMBIENTSCALE;
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info.m_nInteriorBackLightScale = INTERIORBACKLIGHTSCALE;
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info.m_nInteriorRefractStrength = INTERIORREFRACTSTRENGTH;
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info.m_nFresnelParams = TRANSLUCENTFRESNELMINMAXEXP;
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info.m_nDiffuseScale = DIFFUSESCALE;
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info.m_nSpecExp = PHONGEXPONENT;
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info.m_nSpecScale = PHONGBOOST;
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info.m_nSpecExp2 = PHONGEXPONENT2;
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info.m_nSpecScale2 = PHONGBOOST2;
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info.m_nRimLightExp = RIMLIGHTEXPONENT;
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info.m_nRimLightScale = RIMLIGHTBOOST;
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info.m_nBaseColorTint = BASECOLORTINT;
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info.m_nUVProjOffset = UVPROJOFFSET;
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info.m_nBBMin = BBMIN;
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info.m_nBBMax = BBMAX;
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info.m_nFlashlightTexture = FLASHLIGHTTEXTURE;
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info.m_nFlashlightTextureFrame = FLASHLIGHTTEXTUREFRAME;
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info.m_nBumpFrame = BUMPFRAME;
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info.m_nContactShadows = CONTACTSHADOWS;
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}
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SHADER_INIT_PARAMS()
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{
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PaintBlobVars_t info;
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SetupVarsIceSurface( info );
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InitParamsPaintBlob( this, params, pMaterialName, info );
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}
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SHADER_FALLBACK
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{
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// TODO: Reasonable fallback
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if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
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{
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return "Wireframe";
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}
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return 0;
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}
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SHADER_INIT
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{
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PaintBlobVars_t info;
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SetupVarsIceSurface( info );
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InitPaintBlob( this, params, info );
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}
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SHADER_DRAW
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{
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PaintBlobVars_t info;
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SetupVarsIceSurface( info );
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DrawPaintBlob( this, params, pShaderAPI, pShaderShadow, info, vertexCompression );
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}
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END_SHADER
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