123 lines
3.2 KiB
Plaintext
123 lines
3.2 KiB
Plaintext
// STATIC: "BASETEXTURE" "0..1"
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// STATIC: "ENVMAP" "0..1"
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// STATIC: "ENVMAPMASK" "0..1"
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// STATIC: "SELFILLUM" "0..1"
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// STATIC: "BASEALPHAENVMAPMASK" "0..1"
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// SKIP: !$ENVMAP && ( $BASEALPHAENVMAPMASK || $ENVMAPMASK )
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// SKIP: !$BASETEXTURE && $BASEALPHAENVMAPMASK
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// SKIP: $BASEALPHAENVMAPMASK && $ENVMAPMASK
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// SKIP: !$BASETEXTURE && $BASEALPHAENVMAPMASK
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// SKIP: $SELFILLUM && $BASEALPHAENVMAPMASK
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// SKIP: !$BASETEXTURE && $SELFILLUM
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const float3 g_OverbrightFactor : register( c0 );
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const float3 g_SelfIllumTint : register( c1 );
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const float3 g_EnvmapTint : register( c2 );
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sampler BaseTextureSampler : register( s0 );
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sampler LightmapSampler : register( s1 );
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sampler EnvmapSampler : register( s2 );
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sampler EnvmapMaskSampler : register( s3 );
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//sampler DetailSampler : register( s3 );
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struct PS_INPUT
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{
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float2 baseTexCoord : TEXCOORD0;
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float2 lightmapTexCoord : TEXCOORD1;
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float3 envmapTexCoord : TEXCOORD2;
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float2 envmapMaskTexCoord : TEXCOORD3;
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float4 vertexColor : COLOR0;
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};
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float4 main( PS_INPUT i ) : COLOR
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{
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bool bBaseTexture = BASETEXTURE ? true : false;
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bool bEnvmap = ENVMAP ? true : false;
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bool bEnvmapMask = ENVMAPMASK ? true : false;
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bool bSelfIllum = SELFILLUM ? true : false;
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bool bBaseAlphaEnvmapMask = BASEALPHAENVMAPMASK ? true : false;
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#if 1
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float4 baseColor = float4( 1.0f, 1.0f, 1.0f, 1.0f );
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if( bBaseTexture )
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{
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baseColor = tex2D( BaseTextureSampler, i.baseTexCoord );
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}
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float3 specularFactor = 1.0f;
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if( bEnvmapMask )
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{
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specularFactor *= tex2D( EnvmapMaskSampler, i.envmapMaskTexCoord ).xyz;
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}
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if( bBaseAlphaEnvmapMask )
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{
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specularFactor *= 1.0 - baseColor.a; // this blows!
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}
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float3 diffuseLighting = tex2D( LightmapSampler, i.lightmapTexCoord );
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float3 albedo = float3( 1.0f, 1.0f, 1.0f );
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float alpha = 1.0f;
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if( bBaseTexture )
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{
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albedo *= baseColor;
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if( !bBaseAlphaEnvmapMask && !bSelfIllum )
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{
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alpha *= baseColor.a;
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}
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}
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// The vertex color contains the modulation color + vertex color combined
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albedo *= i.vertexColor;
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alpha *= i.vertexColor.a; // not sure about this one
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float3 diffuseComponent = ( albedo * diffuseLighting * 2.0f ) * g_OverbrightFactor;
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if( bSelfIllum )
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{
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float3 selfIllumComponent = g_SelfIllumTint * albedo;
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diffuseComponent = lerp( diffuseComponent, selfIllumComponent, baseColor.a );
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}
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float3 specularLighting = float3( 0.0f, 0.0f, 0.0f );
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if( bEnvmap )
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{
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specularLighting = tex2D( EnvmapSampler, i.envmapTexCoord );
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specularLighting *= specularFactor;
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specularLighting *= g_EnvmapTint;
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}
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float3 result = diffuseComponent + specularLighting;
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return float4( result, alpha );
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#endif
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#if 0
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float4 baseColor = float4( 1.0f, 1.0f, 1.0f, 1.0f );
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float3 diffuseLighting = tex2D( LightmapSampler, i.lightmapTexCoord );
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float3 albedo = float3( 1.0f, 1.0f, 1.0f );
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float alpha = 1.0f;
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albedo *= i.vertexColor;
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alpha *= i.vertexColor.a; // not sure about this one
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float3 diffuseComponent = ( albedo * diffuseLighting * 2.0f ) * g_OverbrightFactor;
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float3 result = diffuseComponent;
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return float4( result, alpha );
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#endif
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#if 0
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float4 result;
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result.rgb = tex2D( LightmapSampler, i.lightmapTexCoord ).rgb * i.vertexColor.rgb;
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result.a = i.vertexColor.a;
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result.rgb = ( result.rgb * g_OverbrightFactor ) * 2.0f;
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return result;
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#endif
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}
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