diff options
Diffstat (limited to 'sp/src/materialsystem/stdshaders/WorldTwoTextureBlend_SelfIlluminated.psh')
| -rw-r--r-- | sp/src/materialsystem/stdshaders/WorldTwoTextureBlend_SelfIlluminated.psh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sp/src/materialsystem/stdshaders/WorldTwoTextureBlend_SelfIlluminated.psh b/sp/src/materialsystem/stdshaders/WorldTwoTextureBlend_SelfIlluminated.psh new file mode 100644 index 00000000..2f5a8ca5 --- /dev/null +++ b/sp/src/materialsystem/stdshaders/WorldTwoTextureBlend_SelfIlluminated.psh @@ -0,0 +1,27 @@ +ps.1.1
+
+;------------------------------------------------------------------------------
+; Draw a texture . . woo hoo!
+; t0 - texture
+;
+; The texture coordinates need to be defined as follows:
+; tc0 - texcoords
+;------------------------------------------------------------------------------
+
+tex t0
+tex t1
+tex t2
+
+mov r0.rgb, t0 +
+mov r0.a, v0.a ; Grab alpha from vertex color
+
+lrp r0.rgb, t2.a, t2, r0 ; Base = base * (1 - detail alpha) + detail * detail alpha
+mul r0.rgb, r0, v0 ; modulate by vertex color
+mul r0.rgb, t1, r0 ; fold in lightmap (color only)
+mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2)
+
+mul r1.rgb, c1, t0 ; Self illum * tint
++ mul r1.a, t0.a, 1-t2.a ; Reduce self-illum amount based on 1 - detailalpha
+
+lrp r0.rgb, t0.a, r1, r0 ; Blend between self-illum + base * lightmap
+
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