1 files changed, 83 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/BumpmappedEnvmap.vsh b/materialsystem/stdshaders/BumpmappedEnvmap.vsh
new file mode 100644
index 0000000..4356145
--- /dev/null
+++ b/materialsystem/stdshaders/BumpmappedEnvmap.vsh
@@ -0,0 +1,83 @@
+vs.1.1
+
+# DYNAMIC: "DOWATERFOG"				"0..1"
+
+;------------------------------------------------------------------------------
+; Shader specific constant:
+;	 $SHADER_SPECIFIC_CONST_4, $SHADER_SPECIFIC_CONST_5	= normal map transform
+;------------------------------------------------------------------------------
+
+#include "macros.vsh"
+
+;------------------------------------------------------------------------------
+; Vertex blending
+;------------------------------------------------------------------------------
+
+&AllocateRegister( \$worldPos );
+
+; Transform position from object to world
+dp4 $worldPos.x, $vPos, $cModel0
+dp4 $worldPos.y, $vPos, $cModel1
+dp4 $worldPos.z, $vPos, $cModel2
+
+&AllocateRegister( \$projPos );
+
+; Transform position from object to projection space
+dp4 $projPos.x, $vPos, $cModelViewProj0
+dp4 $projPos.y, $vPos, $cModelViewProj1
+dp4 $projPos.z, $vPos, $cModelViewProj2
+dp4 $projPos.w, $vPos, $cModelViewProj3
+
+mov oPos, $projPos
+
+;------------------------------------------------------------------------------
+; Lighting
+;------------------------------------------------------------------------------
+
+; Transform tangent space basis vectors to env map space (world space)
+; This will produce a set of vectors mapping from tangent space to env space
+; We'll use this to transform normals from the normal map from tangent space
+; to environment map space. 
+; NOTE: use dp3 here since the basis vectors are vectors, not points
+
+dp3 oT1.x, $vTangentS, $cModel0
+dp3 oT2.x, $vTangentS, $cModel1
+dp3 oT3.x, $vTangentS, $cModel2
+
+dp3 oT1.y, $vTangentT, $cModel0
+dp3 oT2.y, $vTangentT, $cModel1
+dp3 oT3.y, $vTangentT, $cModel2
+
+dp3 oT1.z, $vNormal, $cModel0
+dp3 oT2.z, $vNormal, $cModel1
+dp3 oT3.z, $vNormal, $cModel2
+ 
+&AllocateRegister( \$worldToEye );
+
+; Compute the vector from vertex to camera
+sub $worldToEye.xyz, $cEyePos, $worldPos
+
+;------------------------------------------------------------------------------
+; Fog
+;------------------------------------------------------------------------------
+
+&CalcFog( $worldPos, $projPos );
+
+&FreeRegister( \$worldPos );
+
+; Move it into the w component of the texture coords, as the wacky
+; pixel shader wants it there.
+mov oT1.w, $worldToEye.x
+mov oT2.w, $worldToEye.y
+mov oT3.w, $worldToEye.z
+
+&FreeRegister( \$worldToEye );
+
+;------------------------------------------------------------------------------
+; Texture coordinates (normal map)
+;------------------------------------------------------------------------------
+dp4 oT0.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_4
+dp4 oT0.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_5
+
+
+&FreeRegister( \$projPos );