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https://github.com/alliedmodders/hl2sdk.git
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SDK sync.
This commit is contained in:
Nicholas Hastings
206
materialsystem/stdshaders/worldvertextransition_dx6_helper.cpp
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206
materialsystem/stdshaders/worldvertextransition_dx6_helper.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================
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#include "shaderlib/cshader.h"
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#include "worldvertextransition_dx6_helper.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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void InitParamsWorldVertexTransition_DX6( IMaterialVar** params, WorldVertexTransition_DX6_Vars_t &info )
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{
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SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
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// FLASHLIGHTFIXME
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params[info.m_nFlashlightTextureVar]->SetStringValue( "effects/flashlight001" );
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}
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void InitWorldVertexTransition_DX6( CBaseShader *pShader, IMaterialVar** params, WorldVertexTransition_DX6_Vars_t &info )
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{
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// FLASHLIGHTFIXME
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if ( params[info.m_nFlashlightTextureVar]->IsDefined() )
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{
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pShader->LoadTexture( info.m_nFlashlightTextureVar );
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}
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if ( params[info.m_nBaseTextureVar]->IsDefined() )
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{
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pShader->LoadTexture( info.m_nBaseTextureVar );
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}
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if ( params[info.m_nBaseTexture2Var]->IsDefined() )
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{
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pShader->LoadTexture( info.m_nBaseTexture2Var );
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}
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}
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static void DrawFlashlightPass( CBaseShader *pShader, IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, int nPass, WorldVertexTransition_DX6_Vars_t &info )
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{
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SHADOW_STATE
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{
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SET_FLAGS2( MATERIAL_VAR2_NEEDS_FIXED_FUNCTION_FLASHLIGHT );
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableAlphaWrites( false );
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pShaderShadow->SetDiffuseMaterialSource( SHADER_MATERIALSOURCE_COLOR1 );
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if( nPass == 0 )
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{
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pShader->EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
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}
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else
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{
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pShader->EnableAlphaBlending( SHADER_BLEND_ONE_MINUS_SRC_ALPHA, SHADER_BLEND_ONE );
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}
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int flags = SHADER_DRAW_POSITION | SHADER_DRAW_TEXCOORD1 | SHADER_DRAW_COLOR | SHADER_DRAW_NORMAL;
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pShaderShadow->DrawFlags( flags );
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pShader->FogToBlack();
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pShaderShadow->EnableLighting( true );
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pShaderShadow->EnableCustomPixelPipe( true );
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pShaderShadow->CustomTextureStages( 2 );
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// color stage 0
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// projected texture * vertex color (lighting)
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
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SHADER_TEXCHANNEL_COLOR,
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SHADER_TEXOP_MODULATE,
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SHADER_TEXARG_TEXTURE,
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SHADER_TEXARG_VERTEXCOLOR );
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// color stage 1
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// * base texture
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE1,
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SHADER_TEXCHANNEL_COLOR,
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SHADER_TEXOP_MODULATE,
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SHADER_TEXARG_TEXTURE, SHADER_TEXARG_PREVIOUSSTAGE );
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// alpha stage 0
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// get alpha from constant alpha * vertex color
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
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SHADER_TEXCHANNEL_ALPHA,
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SHADER_TEXOP_MODULATE,
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SHADER_TEXARG_CONSTANTCOLOR, SHADER_TEXARG_VERTEXCOLOR );
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// alpha stage 1
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// get alpha from $basetexture
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE1,
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SHADER_TEXCHANNEL_ALPHA,
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SHADER_TEXOP_MODULATE,
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SHADER_TEXARG_TEXTURE, SHADER_TEXARG_PREVIOUSSTAGE );
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pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
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// Shove the view position into texcoord 0 before the texture matrix.
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pShaderShadow->TexGen( SHADER_TEXTURE_STAGE0, SHADER_TEXGENPARAM_EYE_LINEAR );
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pShaderShadow->EnableTexGen( SHADER_TEXTURE_STAGE0, true );
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}
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DYNAMIC_STATE
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{
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pShader->SetFlashlightFixedFunctionTextureTransform( MATERIAL_TEXTURE0 );
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// NOTE: This has to come after the loadmatrix since the loadmatrix screws with the
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// transform flags!!!!!!
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// Specify that we have XYZ texcoords that need to be divided by W before the pixel shader.
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// NOTE Tried to divide XY by Z, but doesn't work.
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pShaderAPI->SetTextureTransformDimension( SHADER_TEXTURE_STAGE0, 3, true );
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pShader->BindTexture( SHADER_SAMPLER0, FLASHLIGHTTEXTURE, FLASHLIGHTTEXTUREFRAME );
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if( nPass == 0 )
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{
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pShader->BindTexture( SHADER_SAMPLER1, info.m_nBaseTexture2Var, -1 );
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}
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else
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{
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pShader->BindTexture( SHADER_SAMPLER1, info.m_nBaseTextureVar, info.m_nBaseTextureFrameVar );
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}
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}
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pShader->Draw();
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}
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void DrawWorldVertexTransition_DX6( CBaseShader *pShader, IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, WorldVertexTransition_DX6_Vars_t &info )
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{
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bool bHasFlashlight = pShader->UsingFlashlight( params );
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if( bHasFlashlight )
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{
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DrawFlashlightPass( pShader, params, pShaderAPI, pShaderShadow, 0, info );
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DrawFlashlightPass( pShader, params, pShaderAPI, pShaderShadow, 1, info );
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return;
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}
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SHADOW_STATE
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{
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SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
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pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
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pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE1, OVERBRIGHT );
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pShaderShadow->DrawFlags( SHADER_DRAW_COLOR | SHADER_DRAW_POSITION | SHADER_DRAW_TEXCOORD1 | SHADER_DRAW_LIGHTMAP_TEXCOORD0 );
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pShader->FogToFogColor();
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}
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DYNAMIC_STATE
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{
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//pShaderAPI->TexMinFilter( SHADER_TEXFILTERMODE_NEAREST );
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//pShaderAPI->TexMagFilter( SHADER_TEXFILTERMODE_NEAREST );
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pShader->BindTexture( SHADER_SAMPLER1, info.m_nBaseTextureVar );
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pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_LIGHTMAP );
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}
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pShader->Draw();
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SHADOW_STATE
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{
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SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
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pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->EnableCustomPixelPipe( true );
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pShaderShadow->CustomTextureStages( 2 );
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// alpha and color stage 0
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
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SHADER_TEXCHANNEL_ALPHA,
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SHADER_TEXOP_SELECTARG1,
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SHADER_TEXARG_TEXTURE,
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SHADER_TEXARG_TEXTURE );
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
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SHADER_TEXCHANNEL_COLOR,
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SHADER_TEXOP_SELECTARG1,
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SHADER_TEXARG_TEXTURE,
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SHADER_TEXARG_TEXTURE );
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// alpha and color stage 1
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE1,
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SHADER_TEXCHANNEL_ALPHA,
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SHADER_TEXOP_MODULATE,
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SHADER_TEXARG_TEXTURE,
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SHADER_TEXARG_VERTEXCOLOR );
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pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE1,
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SHADER_TEXCHANNEL_COLOR,
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SHADER_TEXOP_MODULATE2X,
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SHADER_TEXARG_PREVIOUSSTAGE,
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SHADER_TEXARG_TEXTURE );
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// Looks backwards, but this is done so that lightmap alpha = 1 when only
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// using 1 texture (needed for translucent displacements).
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
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pShaderShadow->DrawFlags( SHADER_DRAW_COLOR | SHADER_DRAW_POSITION | SHADER_DRAW_TEXCOORD1 | SHADER_DRAW_LIGHTMAP_TEXCOORD0 );
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pShader->FogToFogColor();
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}
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DYNAMIC_STATE
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{
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pShader->BindTexture( SHADER_SAMPLER1, info.m_nBaseTexture2Var );
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pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_LIGHTMAP );
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}
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pShader->Draw();
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}
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