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26 lines
800 B
26 lines
800 B
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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def c1, 0.5f, 0.5f, 0.5f, 0.5f |
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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, r0, t3 ; detail texture (with alpha) |
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lrp r1.rgb, c3, c1, t1 ; Blend between unlit + lightmap lighting |
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mul r0.rgb, r1, r0 ; fold in lightmap (color only) |
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mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2) |
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mul r1, t2, t0 ; envmap * envmapmask (base == envmapmask) |
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mad r0.rgb, r1, c2, r0 ; + envmap * envmapmask * envmaptint (color only)
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