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Text File  |  2004-01-06  |  1.1 KB  |  33 lines
  1.       #include "../CGVPMacro.csi"
  2.  
  3.       MainInput { uniform sampler2D baseMap : texunit0,
  4.                   uniform sampler2D bumpMap : texunit1,
  5.                   uniform samplerCUBE projMap : texunit2,
  6.                   uniform float4 Specular }
  7.       DeclarationsScript
  8.       {
  9.         OUT_T0_T1_T2_C0
  10.         FOUT
  11.       }
  12.       CoreScript
  13.       {
  14.         // load the decal
  15.         float4 decalColor = tex2D(baseMap, IN.Tex0.xy);
  16.         // load the bump normal
  17.         float4 bumpNormal = 2*(tex2D(bumpMap, IN.Tex1.xy)-0.5);
  18.         // load the project color
  19.         float4 projColor = texCUBE(projMap, IN.Tex2.xyz);
  20.  
  21.         // Half vector from input color
  22.         float3 hVec = 2 * (IN.Color.xyz - 0.5);
  23.         float NdotH = saturate(dot(hVec, bumpNormal.xyz));
  24.         float  specVal = saturate((NdotH - 0.75)*4);
  25.         specVal = specVal * specVal * IN.Color.w * decalColor.w;
  26.         float3 spec = (specVal * Specular.xyz * projColor.xyz)*2;
  27.  
  28.         // finally add them all together
  29.         OUT.Color.xyz = spec;
  30.         OUT.Color.w = Specular.w; 
  31.       }
  32.  
  33.