//---------------------------------------------------------------------

// ProjTex_VS

//---------------------------------------------------------------------

OutputVS ProjTex_VS(float4 pos         : POSITION0,

                    float3 diffuse     : COLOR0,

                    float2 tiledTexC   : TEXCOORD0)

{

      OutputVS outVS = (OutputVS)0;

 

      outVS.pos  = mul(pos, gWVP);

      outVS.diffuse = diffuse;

      outVS.tiledTexC  = tiledTexC;

 

      float3 vert2light = gSpotPos.xyz - pos;         // vector from vertex to the light

      float d = length(vert2light);                   // distance between the two, need this for attenuation

      outVS.attenuation = 1 - (d / gSpotRange);       // linear attenuation

      outVS.attenuation = clamp(outVS.attenuation, 0, 1);

      outVS.spotTexC = mul(pos, gLightMat);

      outVS.decalTexC = mul(pos, gDecalMat);

 

      return outVS;

}
//---------------------------------------------------------------------

// ProjTex_PS

//---------------------------------------------------------------------

float4 ProjTex_PS(float3 diffuse      : COLOR0,

                  float  attenuation  : COLOR1,

                  float2 tiledTexC    : TEXCOORD0,

                  float4 spotTexC     : TEXCOORD1,

                  float4 decalTexC    : TEXCOORD2) : COLOR

{

      float3 tile = tex2D(TiledTextureSampler, tiledTexC);

      float3 spot = tex2D(SpotLightSampler, spotTexC);

      float3 decal = tex2D(DecalSampler, decalTexC);

 

      float3 final = tile * decal * (spot * 2 * attenuation + 0.1);

      return float4(final, 1.0f);

}