mirror of
https://github.com/nillerusr/source-engine.git
synced 2026-08-08 01:39:36 +00:00
1
This commit is contained in:
FluorescentCIAAfricanAmerican
@@ -0,0 +1,421 @@
|
||||
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||||
//
|
||||
// Purpose:
|
||||
//
|
||||
// $Header: $
|
||||
// $NoKeywords: $
|
||||
//=============================================================================//
|
||||
|
||||
#include "shaderlib/cshader.h"
|
||||
|
||||
// memdbgon must be the last include file in a .cpp file!!!
|
||||
#include "tier0/memdbgon.h"
|
||||
|
||||
DEFINE_FALLBACK_SHADER( VertexLitGeneric, VertexLitGeneric_DX6 )
|
||||
|
||||
BEGIN_SHADER( VertexLitGeneric_DX6,
|
||||
"Help for VertexLitGeneric_DX6" )
|
||||
|
||||
BEGIN_SHADER_PARAMS
|
||||
SHADER_PARAM( DETAIL, SHADER_PARAM_TYPE_TEXTURE, "shadertest/detail", "detail texture" )
|
||||
SHADER_PARAM( DETAILSCALE, SHADER_PARAM_TYPE_FLOAT, "4", "scale of the detail texture" )
|
||||
SHADER_PARAM( SELFILLUMTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "Self-illumination tint" )
|
||||
SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_env", "envmap" )
|
||||
SHADER_PARAM( ENVMAPFRAME, SHADER_PARAM_TYPE_INTEGER, "", "" )
|
||||
SHADER_PARAM( ENVMAPMASK, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_envmask", "envmap mask" )
|
||||
SHADER_PARAM( ENVMAPMASKFRAME, SHADER_PARAM_TYPE_INTEGER, "", "" )
|
||||
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( ENVMAPOPTIONAL, SHADER_PARAM_TYPE_BOOL, "0", "Make the envmap only apply to dx9 and higher hardware" )
|
||||
END_SHADER_PARAMS
|
||||
|
||||
SHADER_INIT_PARAMS()
|
||||
{
|
||||
SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
|
||||
|
||||
if( !params[ENVMAPMASKSCALE]->IsDefined() )
|
||||
params[ENVMAPMASKSCALE]->SetFloatValue( 1.0f );
|
||||
|
||||
if( !params[ENVMAPTINT]->IsDefined() )
|
||||
params[ENVMAPTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
|
||||
|
||||
if( !params[SELFILLUMTINT]->IsDefined() )
|
||||
params[SELFILLUMTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
|
||||
|
||||
if( !params[DETAILSCALE]->IsDefined() )
|
||||
params[DETAILSCALE]->SetFloatValue( 4.0f );
|
||||
|
||||
// No envmap uses mode 0, it's one less pass
|
||||
// Also, if multipass = 0, then go to mode 0 also
|
||||
if ( ( !params[ENVMAP]->IsDefined() ) ||
|
||||
( !IS_FLAG_SET(MATERIAL_VAR_MULTIPASS) ) )
|
||||
{
|
||||
CLEAR_FLAGS( MATERIAL_VAR_ENVMAPMODE );
|
||||
}
|
||||
|
||||
// Vertex color requires mode 1
|
||||
if ( IS_FLAG_SET(MATERIAL_VAR_VERTEXCOLOR) )
|
||||
{
|
||||
SET_FLAGS( MATERIAL_VAR_ENVMAPMODE );
|
||||
}
|
||||
|
||||
// No texture means no self-illum or env mask in base alpha
|
||||
if ( !params[BASETEXTURE]->IsDefined() )
|
||||
{
|
||||
CLEAR_FLAGS( MATERIAL_VAR_SELFILLUM );
|
||||
CLEAR_FLAGS( MATERIAL_VAR_BASEALPHAENVMAPMASK );
|
||||
}
|
||||
|
||||
// If in decal mode, no debug override...
|
||||
if ( IS_FLAG_SET(MATERIAL_VAR_DECAL) )
|
||||
{
|
||||
SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
|
||||
}
|
||||
|
||||
SET_FLAGS2( MATERIAL_VAR2_LIGHTING_VERTEX_LIT );
|
||||
SET_FLAGS2( MATERIAL_VAR2_NEEDS_SOFTWARE_LIGHTING );
|
||||
|
||||
// Get rid of the envmap if it's optional for this dx level.
|
||||
if( params[ENVMAPOPTIONAL]->IsDefined() && params[ENVMAPOPTIONAL]->GetIntValue() )
|
||||
{
|
||||
params[ENVMAP]->SetUndefined();
|
||||
}
|
||||
|
||||
// If mat_specular 0, then get rid of envmap
|
||||
if( !g_pConfig->UseSpecular() && params[ENVMAP]->IsDefined() && params[BASETEXTURE]->IsDefined() )
|
||||
{
|
||||
params[ENVMAP]->SetUndefined();
|
||||
}
|
||||
}
|
||||
|
||||
SHADER_FALLBACK
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
SHADER_INIT
|
||||
{
|
||||
if (params[BASETEXTURE]->IsDefined())
|
||||
{
|
||||
LoadTexture( BASETEXTURE );
|
||||
|
||||
if (!params[BASETEXTURE]->GetTextureValue()->IsTranslucent())
|
||||
{
|
||||
CLEAR_FLAGS( MATERIAL_VAR_SELFILLUM );
|
||||
CLEAR_FLAGS( MATERIAL_VAR_BASEALPHAENVMAPMASK );
|
||||
}
|
||||
}
|
||||
|
||||
if (params[DETAIL]->IsDefined())
|
||||
{
|
||||
LoadTexture( DETAIL );
|
||||
}
|
||||
|
||||
// Don't alpha test if the alpha channel is used for other purposes
|
||||
if (IS_FLAG_SET(MATERIAL_VAR_SELFILLUM) || IS_FLAG_SET(MATERIAL_VAR_BASEALPHAENVMAPMASK) )
|
||||
CLEAR_FLAGS( MATERIAL_VAR_ALPHATEST );
|
||||
|
||||
if (params[ENVMAP]->IsDefined())
|
||||
{
|
||||
if( !IS_FLAG_SET(MATERIAL_VAR_ENVMAPSPHERE) )
|
||||
LoadCubeMap( ENVMAP );
|
||||
else
|
||||
LoadTexture( ENVMAP );
|
||||
|
||||
if( !g_pHardwareConfig->SupportsCubeMaps() )
|
||||
{
|
||||
SET_FLAGS( MATERIAL_VAR_ENVMAPSPHERE );
|
||||
}
|
||||
|
||||
if (params[ENVMAPMASK]->IsDefined())
|
||||
LoadTexture( ENVMAPMASK );
|
||||
}
|
||||
}
|
||||
|
||||
int GetDrawFlagsPass1(IMaterialVar** params)
|
||||
{
|
||||
int flags = SHADER_DRAW_POSITION | SHADER_DRAW_COLOR;
|
||||
if (params[BASETEXTURE]->IsTexture())
|
||||
flags |= SHADER_DRAW_TEXCOORD0;
|
||||
return flags;
|
||||
}
|
||||
|
||||
void DrawVertexLightingOnly( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
SHADOW_STATE
|
||||
{
|
||||
pShaderShadow->EnableTexture( SHADER_SAMPLER0, false );
|
||||
|
||||
SetModulationShadowState();
|
||||
SetDefaultBlendingShadowState( );
|
||||
pShaderShadow->DrawFlags( GetDrawFlagsPass1( params ) );
|
||||
DefaultFog();
|
||||
}
|
||||
DYNAMIC_STATE
|
||||
{
|
||||
SetModulationDynamicState();
|
||||
}
|
||||
Draw();
|
||||
}
|
||||
|
||||
void MultiplyByVertexLighting( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
SHADOW_STATE
|
||||
{
|
||||
// FIXME: How to deal with texture alpha??
|
||||
|
||||
pShaderShadow->EnableTexGen( SHADER_TEXTURE_STAGE0, false );
|
||||
pShaderShadow->EnableTexGen( SHADER_TEXTURE_STAGE1, false );
|
||||
pShaderShadow->EnableTexture( SHADER_SAMPLER0, false );
|
||||
pShaderShadow->EnableTexture( SHADER_SAMPLER1, false );
|
||||
|
||||
// NOTE: We're not doing lightmapping here, but we want to use the
|
||||
// same blend mode as we used for lightmapping
|
||||
pShaderShadow->EnableBlending( true );
|
||||
SingleTextureLightmapBlendMode();
|
||||
|
||||
pShaderShadow->EnableCustomPixelPipe( true );
|
||||
pShaderShadow->CustomTextureStages( 1 );
|
||||
|
||||
// This here will perform color = vertex light * (cc alpha) + 1 * (1 - cc alpha)
|
||||
pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
|
||||
SHADER_TEXCHANNEL_COLOR, SHADER_TEXOP_BLEND_CONSTANTALPHA,
|
||||
SHADER_TEXARG_VERTEXCOLOR, SHADER_TEXARG_CONSTANTCOLOR );
|
||||
|
||||
// Alpha isn't used, it doesn't matter what we set it to.
|
||||
pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0,
|
||||
SHADER_TEXCHANNEL_ALPHA, SHADER_TEXOP_SELECTARG1,
|
||||
SHADER_TEXARG_NONE, SHADER_TEXARG_NONE );
|
||||
|
||||
pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | SHADER_DRAW_COLOR );
|
||||
FogToOOOverbright();
|
||||
}
|
||||
DYNAMIC_STATE
|
||||
{
|
||||
// Put the alpha in the color channel to modulate the color down....
|
||||
float alpha = GetAlpha();
|
||||
pShaderAPI->Color4f( OO_OVERBRIGHT, OO_OVERBRIGHT, OO_OVERBRIGHT, alpha );
|
||||
}
|
||||
Draw();
|
||||
|
||||
SHADOW_STATE
|
||||
{
|
||||
pShaderShadow->EnableCustomPixelPipe( false );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// Used by mode 1
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
void DrawBaseTimesVertexLighting( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
// Base times vertex lighting, no vertex color
|
||||
SHADOW_STATE
|
||||
{
|
||||
// alpha test
|
||||
pShaderShadow->EnableAlphaTest( IS_FLAG_SET(MATERIAL_VAR_ALPHATEST) );
|
||||
|
||||
// base
|
||||
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
||||
pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE0, OVERBRIGHT );
|
||||
|
||||
// Independenly configure alpha and color
|
||||
|
||||
// Color = Color mod * Vertex Light * Tex (x2)
|
||||
// Alpha = Constant Alpha * Tex Alpha (no tex alpha if self illum == 1)
|
||||
// Can't have color modulation here
|
||||
pShaderShadow->EnableConstantColor( IsColorModulating() );
|
||||
|
||||
// Independenly configure alpha and color
|
||||
pShaderShadow->EnableAlphaPipe( true );
|
||||
pShaderShadow->EnableConstantAlpha( IsAlphaModulating() );
|
||||
pShaderShadow->EnableVertexAlpha( IS_FLAG_SET(MATERIAL_VAR_VERTEXALPHA) );
|
||||
|
||||
if (!IS_FLAG_SET(MATERIAL_VAR_SELFILLUM) && !IS_FLAG_SET(MATERIAL_VAR_BASEALPHAENVMAPMASK))
|
||||
pShaderShadow->EnableTextureAlpha( SHADER_TEXTURE_STAGE0, true );
|
||||
|
||||
SetDefaultBlendingShadowState( BASETEXTURE, true );
|
||||
pShaderShadow->DrawFlags( GetDrawFlagsPass1( params ) );
|
||||
DefaultFog();
|
||||
}
|
||||
DYNAMIC_STATE
|
||||
{
|
||||
SetFixedFunctionTextureTransform( MATERIAL_TEXTURE0, BASETEXTURETRANSFORM );
|
||||
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
|
||||
SetModulationDynamicState();
|
||||
}
|
||||
Draw();
|
||||
|
||||
SHADOW_STATE
|
||||
{
|
||||
pShaderShadow->EnableAlphaPipe( false );
|
||||
}
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// Envmap times vertex lighting, no vertex color
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
void DrawEnvmapTimesVertexLighting( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
SHADOW_STATE
|
||||
{
|
||||
int materialVarFlags = params[FLAGS]->GetIntValue();
|
||||
|
||||
// alpha test
|
||||
pShaderShadow->EnableAlphaTest( false );
|
||||
|
||||
int flags = SetShadowEnvMappingState( ENVMAPMASK ) | SHADER_DRAW_COLOR;
|
||||
bool hasEnvMapMask = params[ENVMAPMASK]->IsTexture();
|
||||
|
||||
pShaderShadow->OverbrightValue( hasEnvMapMask ?
|
||||
SHADER_TEXTURE_STAGE1 : SHADER_TEXTURE_STAGE0, OVERBRIGHT );
|
||||
|
||||
// Independenly configure alpha and color
|
||||
|
||||
// Color = Env map * Vertex Light * Envmapmask (x2)
|
||||
// Alpha = Constant Alpha * Vertex light alpha * Env Map mask Alpha
|
||||
pShaderShadow->EnableConstantColor( IsColorModulating() );
|
||||
|
||||
pShaderShadow->EnableAlphaPipe( true );
|
||||
pShaderShadow->EnableConstantAlpha( IsAlphaModulating() );
|
||||
pShaderShadow->EnableVertexAlpha( (materialVarFlags & MATERIAL_VAR_VERTEXALPHA) != 0 );
|
||||
if (hasEnvMapMask)
|
||||
pShaderShadow->EnableTextureAlpha( SHADER_TEXTURE_STAGE1, true );
|
||||
|
||||
SetDefaultBlendingShadowState( BASETEXTURE, true );
|
||||
|
||||
pShaderShadow->DrawFlags( flags );
|
||||
DefaultFog();
|
||||
}
|
||||
DYNAMIC_STATE
|
||||
{
|
||||
SetDynamicEnvMappingState( ENVMAP, ENVMAPMASK, BASETEXTURE,
|
||||
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
||||
BASETEXTURETRANSFORM, ENVMAPMASKSCALE );
|
||||
}
|
||||
Draw();
|
||||
|
||||
SHADOW_STATE
|
||||
{
|
||||
pShaderShadow->EnableCustomPixelPipe( false );
|
||||
pShaderShadow->EnableAlphaPipe( false );
|
||||
}
|
||||
}
|
||||
|
||||
void DrawMode1( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
bool texDefined = params[BASETEXTURE]->IsTexture();
|
||||
bool envDefined = params[ENVMAP]->IsTexture();
|
||||
// bool maskDefined = params[ENVMAPMASK]->IsTexture();
|
||||
|
||||
// Pass 1 : Base + env
|
||||
|
||||
// FIXME: Could make it 1 pass for base + env, if it wasn't
|
||||
// for the envmap tint. So this is 3 passes for now....
|
||||
|
||||
// If it's base + mask * env, gotta do that in 2 passes
|
||||
// Gotta do funky stuff to fade out self-illuminated stuff
|
||||
bool hasEnvMapTint = !IsWhite(ENVMAPTINT);
|
||||
|
||||
// Special case, can do in one pass
|
||||
if (!hasEnvMapTint && !texDefined && !IS_FLAG_SET(MATERIAL_VAR_VERTEXCOLOR) &&
|
||||
!IsColorModulating() )
|
||||
{
|
||||
DrawEnvmapTimesVertexLighting( params, pShaderAPI, pShaderShadow );
|
||||
return;
|
||||
}
|
||||
|
||||
if (texDefined)
|
||||
{
|
||||
FixedFunctionBaseTimesDetailPass(
|
||||
BASETEXTURE, FRAME, BASETEXTURETRANSFORM, DETAIL, DETAILSCALE );
|
||||
}
|
||||
else
|
||||
{
|
||||
FixedFunctionMaskedEnvmapPass(
|
||||
ENVMAP, ENVMAPMASK, BASETEXTURE,
|
||||
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
||||
BASETEXTURETRANSFORM, ENVMAPMASKSCALE, ENVMAPTINT );
|
||||
}
|
||||
|
||||
// We can get here if multipass isn't set if we specify a vertex color
|
||||
if ( IS_FLAG_SET(MATERIAL_VAR_MULTIPASS) )
|
||||
{
|
||||
if ( texDefined && envDefined )
|
||||
{
|
||||
FixedFunctionAdditiveMaskedEnvmapPass(
|
||||
ENVMAP, ENVMAPMASK, BASETEXTURE,
|
||||
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
||||
BASETEXTURETRANSFORM, ENVMAPMASKSCALE, ENVMAPTINT );
|
||||
}
|
||||
}
|
||||
|
||||
// Pass 2 : * vertex lighting
|
||||
MultiplyByVertexLighting( params, pShaderAPI, pShaderShadow );
|
||||
|
||||
// FIXME: We could add it to the lightmap
|
||||
// Draw the selfillum pass (blows away envmap at self-illum points)
|
||||
if ( IS_FLAG_SET(MATERIAL_VAR_SELFILLUM) )
|
||||
{
|
||||
FixedFunctionSelfIlluminationPass(
|
||||
SHADER_SAMPLER0, BASETEXTURE, FRAME, BASETEXTURETRANSFORM, SELFILLUMTINT );
|
||||
}
|
||||
}
|
||||
|
||||
void DrawMode0( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow )
|
||||
{
|
||||
// Pass 1 : Base * lightmap or just lightmap
|
||||
if ( params[BASETEXTURE]->IsTexture() )
|
||||
{
|
||||
DrawBaseTimesVertexLighting( params, pShaderAPI, pShaderShadow );
|
||||
|
||||
// Detail map
|
||||
FixedFunctionMultiplyByDetailPass(
|
||||
BASETEXTURE, FRAME, BASETEXTURETRANSFORM, DETAIL, DETAILSCALE );
|
||||
|
||||
// Draw the selfillum pass
|
||||
if ( IS_FLAG_SET(MATERIAL_VAR_SELFILLUM) )
|
||||
{
|
||||
FixedFunctionSelfIlluminationPass(
|
||||
SHADER_SAMPLER0, BASETEXTURE, FRAME, BASETEXTURETRANSFORM, SELFILLUMTINT );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
DrawVertexLightingOnly( params, pShaderAPI, pShaderShadow );
|
||||
|
||||
// Detail map
|
||||
FixedFunctionMultiplyByDetailPass(
|
||||
BASETEXTURE, FRAME, BASETEXTURETRANSFORM, DETAIL, DETAILSCALE );
|
||||
}
|
||||
|
||||
// Pass 2 : Masked environment map
|
||||
if ( params[ENVMAP]->IsTexture() &&
|
||||
(IS_FLAG_SET(MATERIAL_VAR_MULTIPASS)) )
|
||||
{
|
||||
FixedFunctionAdditiveMaskedEnvmapPass(
|
||||
ENVMAP, ENVMAPMASK, BASETEXTURE,
|
||||
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
||||
BASETEXTURETRANSFORM, ENVMAPMASKSCALE, ENVMAPTINT );
|
||||
}
|
||||
}
|
||||
|
||||
SHADER_DRAW
|
||||
{
|
||||
bool useMode1 = IS_FLAG_SET(MATERIAL_VAR_ENVMAPMODE);
|
||||
if (!useMode1)
|
||||
{
|
||||
// Base * Vertex Lighting + env
|
||||
DrawMode0( params, pShaderAPI, pShaderShadow );
|
||||
}
|
||||
else
|
||||
{
|
||||
// ( Base + env ) * Vertex Lighting
|
||||
DrawMode1( params, pShaderAPI, pShaderShadow );
|
||||
}
|
||||
}
|
||||
END_SHADER
|
||||
|
||||
Reference in New Issue
Block a user