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materialsystem/stdshaders/BumpmappedLightmap.vsh

@@ -0,0 +1,57 @@
+vs.1.1
+
+# DYNAMIC: "DOWATERFOG"				"0..1"
+
+#include "macros.vsh"
+
+;------------------------------------------------------------------------------
+; Vertex blending
+;------------------------------------------------------------------------------
+
+alloc $projPos
+
+; Transform position from object to projection space
+; put in r1 now since we need it for fog.
+dp4 $projPos.x, $vPos, $cModelViewProj0
+dp4 $projPos.y, $vPos, $cModelViewProj1
+dp4 $projPos.z, $vPos, $cModelViewProj2
+dp4 $projPos.w, $vPos, $cModelViewProj3
+
+mov oPos, $projPos
+
+alloc $worldPos
+if( $DOWATERFOG == 1 )
+{
+	; Get the worldpos z component only since that's all we need for height fog
+	dp4 $worldPos.z, $vPos, $cModel2
+}
+&CalcFog( $worldPos, $projPos );
+free $worldPos
+
+
+;------------------------------------------------------------------------------
+; Texture coordinates
+;------------------------------------------------------------------------------
+
+; Compute the texture coordinates given the offset between
+; each bumped lightmap
+
+&AllocateRegister( \$bumpOffset );
+
+mov $bumpOffset.xy, $vTexCoord2
+mov oT0, $vTexCoord0				; bumpmap texcoords 
+add oT1.xy, $bumpOffset, $vTexCoord1			; first lightmap texcoord
+mad oT2.xy, $bumpOffset, $cTwo, $vTexCoord1		; second lightmap texcoord
+; make a 3
+alloc $three
+add $three, $cOne, $cTwo
+mad oT3.xy, $bumpOffset, $three, $vTexCoord1	; third lightmap texcoord
+free $three
+
+&FreeRegister( \$bumpOffset );
+
+;------------------------------------------------------------------------------
+; Fog
+;------------------------------------------------------------------------------
+
+free $projPos