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https://github.com/SWG-Source/clientdata_OLD.git
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24 lines
774 B
PHP
Executable File
24 lines
774 B
PHP
Executable File
// -- take vertex color into account for diffuse lighting
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mul oD0, r7, vColor0
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// -- store dot3 light modulated by vertex color
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mul oD1, cLightData_dot3_0_diffuseColor, vColor0
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// -- transform the light direction into texture space, sign and bias
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//m3x3 r0.xyz, cLightData_dot3_0_direction, vTextureCoordinateSet0
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//mad oT2.xyz, r0, c0_5, c0_5
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// -- r10 = j (-z) = normal.cross (unitX)
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mul r10, vNormal.yzxw, cUnitX.zxyw
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mad r10, -cUnitX.yzxw, vNormal.zxyw, r10
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// -- r9 = i (x) = j.cross (normal)
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mul r9, r10.yzxw, vNormal.zxyw
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mad r9, -vNormal.yzxw, r10.zxyw, r9
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//m3x3 r5, v0, c[3]
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dp3 r0.x, cLightData_dot3_0_direction, r9
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dp3 r0.y, cLightData_dot3_0_direction, r10
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dp3 r0.z, cLightData_dot3_0_direction, vNormal
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mad oT2.xyz, r0, c0_5, c0_5
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