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materialsystem/stdshaders/predator.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+
+#include "predator.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( Predator, Predator_DX80 )
+
+BEGIN_VS_SHADER( Predator_DX80, 
+			  "Help for Predator" )
+
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( REFRACTIONAMOUNT, SHADER_PARAM_TYPE_VEC2, "[0.2 0.2]", "refaction amount" )
+		SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_env", "envmap" )
+		SHADER_PARAM( ENVMAPFRAME, SHADER_PARAM_TYPE_INTEGER, "", "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( ENVMAPMASKSCALE, SHADER_PARAM_TYPE_FLOAT, "1", "envmap mask scale" )
+		SHADER_PARAM( ENVMAPTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "envmap tint" )
+		SHADER_PARAM( REFRACTTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "refraction tint" )
+		SHADER_PARAM( BUMPMAP, SHADER_PARAM_TYPE_TEXTURE, "models/shadertes/shader1_normal", "bump map" )
+		SHADER_PARAM( BUMPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $bumpmap" )
+		SHADER_PARAM( BUMPOFFSET, SHADER_PARAM_TYPE_VEC2, "[0 0]", "2D bump offset for texture scrolling" )
+	END_SHADER_PARAMS
+			
+	SHADER_INIT_PARAMS()
+	{
+		SET_FLAGS2( MATERIAL_VAR2_NEEDS_TANGENT_SPACES );
+		SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
+		SET_FLAGS( MATERIAL_VAR_TRANSLUCENT );
+		SET_FLAGS2( MATERIAL_VAR2_NEEDS_POWER_OF_TWO_FRAME_BUFFER_TEXTURE );
+	}
+
+	SHADER_FALLBACK
+	{
+		if (!g_pHardwareConfig->SupportsVertexAndPixelShaders())
+			return "Predator_DX60";
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		if( params[ENVMAP]->IsDefined() )
+		{
+			LoadCubeMap( ENVMAP );
+		}
+		if( params[ENVMAPMASK]->IsDefined() )
+		{
+			LoadTexture( ENVMAPMASK );
+		}
+		if( !params[ENVMAPTINT]->IsDefined() )
+		{
+			params[ENVMAPTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
+		}
+		if( !params[REFRACTTINT]->IsDefined() )
+		{
+			params[REFRACTTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		// Refractive pass
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			int fmt = VERTEX_POSITION | VERTEX_NORMAL;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+
+			predator_Static_Index vshIndex;
+			pShaderShadow->SetVertexShader( "predator", vshIndex.GetIndex() );
+
+			pShaderShadow->SetPixelShader( "predator" );
+		}
+		DYNAMIC_STATE
+		{
+			pShaderAPI->SetDefaultState();
+			pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0 );
+			SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_4, REFRACTIONAMOUNT );
+			float c95[4] = { 1.0f, 1.0f, 0.0f, 0.0f };
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_5, c95, 1 );
+			SetPixelShaderConstant( 2, REFRACTTINT );
+
+			predator_Dynamic_Index vshIndex;
+			vshIndex.SetDOWATERFOG( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
+			vshIndex.SetSKINNING( pShaderAPI->GetCurrentNumBones() > 0 );
+			pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
+		}
+		Draw();
+	}
+END_SHADER