44 lines
1.3 KiB
PHP
44 lines
1.3 KiB
PHP
TEMP bitangent;
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TEMP R0, R1, R2, position, _nrm;
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useTemplate hardSkinningMatrix_ARB< "position", "_nrm" >
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PARAM defaultTexCoord = { 0, 0.5, 0, 1 };
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# calculate vector to light in R0
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SUB R0, $lightOrigin, position;
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DP3 R0.w, R0, R0;
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RSQ R0.w, R0.w;
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MUL R0.xyz, R0, R0.w;
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DP3 result.texcoord[0].z, _nrm, R0;
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# texture 2 has one texgen
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MOV result.texcoord[2], defaultTexCoord;
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DP4 result.texcoord[2].x, position, $lightFalloff_s;
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# texture 3 has three texgens
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DP4 result.texcoord[3].x, position, $lightProject_s;
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DP4 result.texcoord[3].y, position, $lightProject_t;
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DP4 result.texcoord[3].w, position, $lightProject_q;
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# textures 4 takes the base coordinates by the texture matrix
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MOV result.texcoord[4], defaultTexCoord;
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DP4 result.texcoord[4].x, $texCoordAttrib, $diffuseMatrix_s;
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DP4 result.texcoord[4].y, $texCoordAttrib, $diffuseMatrix_t;
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# generate the vertex color, which can be 1.0, color, or 1.0 - color
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# for 1.0 : env[16] = 0, env[17] = 1
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# for color : env[16] = 1, env[17] = 0
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# for 1.0-color : env[16] = -1, env[17] = 1
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MAD result.color, $colorAttrib, $colorModulate, $colorAdd;
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$if ( r_megaDrawMethod != 0 )
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TEMP _F1, _F2;
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SUB _F2, position, $viewOrigin;
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DP3 _F1.x, _F2, _F2;
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RSQ _F1.y, _F1.x;
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MUL _F1.x, _F1.y, _F1.x;
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MAD result.color.secondary, _F1.x, $fogDepths.z, $fogDepths.w;
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$endif |