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materialsystem/stdshaders/particlesphere_ps11.fxc

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+
+const float3 g_OverbrightFactor		: register( c0 );
+const float3 g_SelfIllumTint		: register( c1 );
+const float3 g_EnvmapTint			: register( c2 );
+
+sampler BumpmapSampler		: register( s0 );
+
+struct PS_INPUT
+{
+	float2 vBumpTexCoord			: TEXCOORD0;
+	float3 vTangentSpaceLightDir	: TEXCOORD1;
+	float3 vAmbientColor			: TEXCOORD2;
+	
+	float4 vDirLightScale	: COLOR0;
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 baseColor = tex2D( BumpmapSampler, i.vBumpTexCoord );
+	
+	// Dot the bump normal and the light vector.
+	float4 vBumpMapNormal = (baseColor - 0.5);				// The format of the sphere map is 0 to 1, 
+															// so this is now -0.5 to 0.5.
+
+	float3 vTangentSpaceLightDir = (i.vTangentSpaceLightDir - 0.5) * 2;	// This is  -1  to 1
+	float4 vOutput = dot( vBumpMapNormal, vTangentSpaceLightDir ) + 0.5;
+	
+	// Scale by the light color outputted by the vertex shader (ie: based on distance).
+	vOutput *= i.vDirLightScale;
+
+	// Add ambient.
+	vOutput += float4( i.vAmbientColor.x, i.vAmbientColor.y, i.vAmbientColor.z, 0 );
+
+	// Alpha = normal map alpha * vertex alpha
+	vOutput.a = baseColor.a * i.vDirLightScale.a;
+
+	return vOutput;
+}
+
+