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https://github.com/nillerusr/source-engine.git
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23 lines
649 B
Plaintext
23 lines
649 B
Plaintext
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ps.1.1
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;------------------------------------------------------------------------------
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; Draw a texture . . woo hoo!
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; t0 - texture
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;
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; The texture coordinates need to be defined as follows:
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; tc0 - texcoords
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; c1 - self-illum tint
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; c2 - envmap tint
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;------------------------------------------------------------------------------
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tex t0
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tex t1
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tex t2
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tex t3
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mul r0, t0, v0 ; base times vertex color (with alpha)
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mul r0.rgb, t1, r0 ; fold in lighting (color only)
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mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2)
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mul r1, t2, 1-t3.a ; envmap * envmapmask (alpha)
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mad r0.rgb, r1, c2, r0 ; + envmap * envmapmask * envmaptint (color only)
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