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| author | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
|---|---|---|
| committer | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
| commit | 3bf9df6b2785fa6d951086978a3e66f49427166a (patch) | |
| tree | 2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh | |
| download | archived-source-engine-2018-hl2-src-master.tar.xz archived-source-engine-2018-hl2-src-master.zip | |
Diffstat (limited to 'materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh')
| -rw-r--r-- | materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh b/materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh new file mode 100644 index 0000000..82b83a4 --- /dev/null +++ b/materialsystem/stdshaders/LightmappedGeneric_BumpmappedLightmap.psh @@ -0,0 +1,79 @@ +ps.1.1 + +;------------------------------------------------------------------------------ +; Computes the diffuse component of lighting using lightmap + bumpmap +; t0 - Normalmap +; t1 - Lightmap1 +; t2 - Lightmap2 +; t3 - Lightmap3 +; +; The texture coordinates need to be defined as follows: +; tc0 - Normalmap and lightmap texture coordinates +; c0, c1, c2 - Axes of the lightmap coordinate system in tangent space +;------------------------------------------------------------------------------ + +; Get the 3-vector from the normal map +tex t0 + +; Sample the lightmaps +tex t1 +tex t2 +tex t3 + +; output = lightmapColor[0] * ( ( N dot basis[0] )^2 ) + +; lightmapColor[1] * ( ( N dot basis[1] )^2 ) + +; lightmapColor[2] * ( ( N dot basis[2] )^2 ) + + +; r0 = ( N dot basis[0] ) +; don't "_sat" here so that everything adds up to one even if the normal is outside of the basis!!!!! +dp3 r0, t0_bx2, c0 + +; r1 = ( N dot basis[1] ) +dp3 r1, t0_bx2, c1 + +;---- +; r0 = ( N dot basis[0] ) +; r1 = ( N dot basis[1] ) +;---- + +; r0.rgb = ( N dot basis[0] )^2 +mul r0.rgb, r0, r0 + +; r1.a = ( N dot basis[1] )^2 ++mul r1.a, r1, r1 + +;---- +; r0.rgb = ( N dot basis[0] )^2 +; r1.a = ( N dot basis[1] )^2 +;---- + +mul t1, r0, t1 + +;---- +; r1.a = ( N dot basis[1] )^2 +; t1 = lightmapColor[0] * ( N dot basis[0] )^2 +;---- + +dp3 r0, t0_bx2, c2 + +;---- +; r1.a = ( N dot basis[1] )^2 +; t1 = lightmapColor[0] * ( N dot basis[0] )^2 +; r0 = ( N dot basis[2] ) +;---- + +mad t1.rgb, r1.a, t2, t1 ++mul r0.a, r0, r0 + +;---- +; t1.rgb = lightmapColor[0] * ( N dot basis[0] )^2 + lightmapColor[1] * ( N dot basis[1] )^2 +; r0.a = ( N dot basis[2] )^2 +;---- + +mad r0.rgba, r0.a, t3, t1 + +;---- +; r0.rgb = lightmapColor[0] * ( N dot basis[0] )^2 + +; lightmapColor[1] * ( N dot basis[1] )^2 + +; lightmapColor[2] * ( N dot basis[2] )^2 +;---- |