1 files changed, 68 insertions, 0 deletions
diff --git a/sp/src/materialsystem/stdshaders/vertexlit_lighting_only_ps2x.fxc b/sp/src/materialsystem/stdshaders/vertexlit_lighting_only_ps2x.fxc
new file mode 100644
index 00000000..52812637
--- /dev/null
+++ b/sp/src/materialsystem/stdshaders/vertexlit_lighting_only_ps2x.fxc
@@ -0,0 +1,68 @@
+//======= Copyright � 1996-2006, Valve Corporation, All rights reserved. ======
+
+// STATIC: "CONVERT_TO_SRGB"	"0..1"	[ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
+// STATIC: "CONVERT_TO_SRGB"	"0..0"	[= 0] [XBOX]
+// STATIC: "DIFFUSELIGHTING"	"0..1"
+// STATIC: "HALFLAMBERT"		"0..1"
+
+// DYNAMIC: "AMBIENT_LIGHT"		"0..1"
+// DYNAMIC: "NUM_LIGHTS"		"0..2"	[ps20]
+// DYNAMIC: "NUM_LIGHTS"		"0..4"	[ps20b]
+
+#define HDRTYPE HDR_TYPE_NONE
+#include "common_vertexlitgeneric_dx9.h"
+
+const float4 g_OverbrightFactor		: register( c4 );
+const float3 cAmbientCube[6]		: register( c6 );
+
+PixelShaderLightInfo cLightInfo[3]	: register(c13);
+
+sampler BumpmapSampler				: register( s0 );
+sampler NormalizeSampler			: register( s1 );
+
+struct PS_INPUT
+{
+	float2 baseTexCoord				: TEXCOORD0;
+	// detail textures and bumpmaps are mutually exclusive so that we have enough texcoords.
+	float2 detailOrBumpTexCoord		: TEXCOORD1;
+	// bump mapping and a separate envmap mask texture are mutually exclusive.
+	float2 envmapMaskTexCoord		: TEXCOORD2;
+	float3 worldVertToEyeVector		: TEXCOORD3;
+	float3x3 tangentSpaceTranspose	: TEXCOORD4;
+	float4 worldPos_projPosZ		: TEXCOORD5;
+	float2 lightAtten01				: TEXCOORD6;
+	float2 lightAtten23				: TEXCOORD7;
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	bool bDiffuseLighting = DIFFUSELIGHTING ? true : false;
+	bool bHalfLambert = HALFLAMBERT ? true : false;
+	bool bAmbientLight = AMBIENT_LIGHT ? true : false;
+	int nNumLights = NUM_LIGHTS;
+
+	float4 vLightAtten = float4( i.lightAtten01, i.lightAtten23 );
+
+	float3 tangentSpaceNormal = float3( 0.0f, 0.0f, 1.0f );
+	float4 normalTexel = 1.0f;
+	float4 baseColor = float4( 1.0f, 1.0f, 1.0f, 1.0f );
+
+	normalTexel = tex2D( BumpmapSampler, i.detailOrBumpTexCoord );
+	tangentSpaceNormal = 2.0f * normalTexel - 1.0f;
+
+	float3 diffuseLighting = float3( 1.0f, 1.0f, 1.0f );
+	if( bDiffuseLighting )
+	{
+		float3 worldSpaceNormal = mul( i.tangentSpaceTranspose, tangentSpaceNormal );
+		float3 staticLightingColor = float3( 0.0f, 0.0f, 0.0f );
+		diffuseLighting = PixelShaderDoLighting( i.worldPos_projPosZ.xyz, worldSpaceNormal,
+			   float3( 0.0f, 0.0f, 0.0f ), false, bAmbientLight,
+			   vLightAtten, cAmbientCube, NormalizeSampler, nNumLights, cLightInfo, bHalfLambert,
+			   false, 0, false, NormalizeSampler );
+		// multiply by .5 since we want a 50% (in gamma space) reflective surface)
+		diffuseLighting *= pow( 0.5f, 2.2f );
+	}
+	
+	return FinalOutput( float4( diffuseLighting, 1.0f ), 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}
+