const float4x4 matWorldViewProj;
const float4x4 matWorld;
const float fAmbient;
const float4 vecSunDir;
const float4x4 matTexture;

texture entSkin1;

sampler ColorMapSampler = sampler_state 
{ 
   Texture = <entSkin1>; 
   AddressU  = Wrap; 
   AddressV  = Wrap; 
}; 
    
void DiffuseVS( 
   in float4 InPos: POSITION, 
   in float3 InNormal: NORMAL, 
   in float2 InTex: TEXCOORD0, 
   out float4 OutPos: POSITION, 
   out float2 OutTex: TEXCOORD0, 
   out float3 OutNormal: TEXCOORD1) 
{ 
   OutPos = mul(InPos, matWorldViewProj); 
   OutNormal = mul(InNormal, matWorld);
   OutTex = InTex+float2(matTexture._m20,matTexture._m21);
} 
    
float4 DiffusePS( 
   in float2 InTex: TEXCOORD0, 
   in float3 InNormal: TEXCOORD1): COLOR 
{ 
	InNormal = normalize(InNormal);
   float Diffuse = saturate(dot(-vecSunDir, InNormal))*0.7+0.3; 
   float4 Color = tex2D(ColorMapSampler, InTex); 
   float4 final = Color*Diffuse;
  
   return (1+fAmbient) * final; 
} 
 

technique DiffuseTechnique 
{ 
   pass P0 
   { 
   cullmode = none;
      VertexShader = compile vs_2_0 DiffuseVS(); 
      PixelShader  = compile ps_2_0 DiffusePS(); 
   } 
}