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-rw-r--r--materialsystem/stdshaders/LightmappedGeneric_MultiplyByLightingSelfIllum.psh23
1 files changed, 23 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/LightmappedGeneric_MultiplyByLightingSelfIllum.psh b/materialsystem/stdshaders/LightmappedGeneric_MultiplyByLightingSelfIllum.psh
new file mode 100644
index 0000000..6c939a4
--- /dev/null
+++ b/materialsystem/stdshaders/LightmappedGeneric_MultiplyByLightingSelfIllum.psh
@@ -0,0 +1,23 @@
+ps.1.1
+
+;------------------------------------------------------------------------------
+; Draw a texture . . woo hoo!
+; t0 - texture
+;
+; The texture coordinates need to be defined as follows:
+; tc0 - texcoords
+;------------------------------------------------------------------------------
+
+def c2, 1.0f, 1.0f, 1.0f, 1.0f
+
+tex t0
+tex t1
+
+; Blend between white and lightmap color based on total alpha
+mul_x2 r1.rgb, c0, t1 ; Apply overbright to lightmap
++ mov_sat r1.a, v0 ; opacity == vertex opacity (no alpha in texture)
+
+lrp r0.rgb, t0.a, c1, r1 ; Blend between self-illum + lightmap
++ mov r0.a, c2.a
+
+lrp r0.rgb, r1.a, r0, c2 ; interpolate between white + color