1 files changed, 102 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/Water_vs11.vsh b/materialsystem/stdshaders/Water_vs11.vsh
new file mode 100644
index 0000000..3b0131b
--- /dev/null
+++ b/materialsystem/stdshaders/Water_vs11.vsh
@@ -0,0 +1,102 @@
+vs.1.1
+
+# DYNAMIC: "DOWATERFOG"				"0..1"
+
+;------------------------------------------------------------------------------
+; Constants specified by the app
+;    c0      = (0, 1, 2, 0.5)
+;	 c1		 = (1/2.2, 0, 0, 0)
+;    c2      = camera position *in world space*
+;    c4-c7   = modelViewProj matrix	(transpose)
+;    c8-c11  = ViewProj matrix (transpose)
+;    c12-c15 = model->view matrix (transpose)
+;	 c16	 = [fogStart, fogEnd, fogRange, undefined]
+;
+; Vertex components (as specified in the vertex DECL)
+;    $vPos    = Position
+;	 $vTexCoord0.xy = TexCoord0
+;------------------------------------------------------------------------------
+
+#include "macros.vsh"
+
+; Vertex components
+;    $vPos		= Position
+;	 $vNormal		= normal
+;	 $vTexCoord0.xy	= TexCoord0
+;	 $vTangentS		= S axis of Texture space
+;	 $vTangentT	= T axis of Texture space
+
+;------------------------------------------------------------------------------
+; Transform the position from world to view space
+;------------------------------------------------------------------------------
+
+alloc $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
+
+alloc $worldPos
+
+; Transform position from object to world space
+dp4 $worldPos.x, $vPos, $cModel0
+dp4 $worldPos.y, $vPos, $cModel1
+dp4 $worldPos.z, $vPos, $cModel2
+
+&CalcFog( $worldPos, $projPos );
+
+alloc $worldEyeVect
+
+; Get the eye vector in world space
+add $worldEyeVect.xyz, -$worldPos, $cEyePos
+			  
+; transform the eye vector to tangent space
+dp3 oT3.x, $worldEyeVect, $vTangentS
+dp3 oT3.y, $worldEyeVect, $vTangentT
+dp3 oT3.z, $worldEyeVect, $vNormal
+
+; Get the magnitude of worldEyeVect
+dp3 $worldEyeVect.w, $worldEyeVect, $worldEyeVect
+rsq $worldEyeVect.w, $worldEyeVect.w
+rcp $worldEyeVect.w, $worldEyeVect.w
+
+; calculate the cheap water blend factor and stick it into oD0.a
+; NOTE: This won't be perspective correct!!!!!
+; OPTIMIZE: This could turn into a mad.
+add $worldEyeVect.w, $worldEyeVect.w, -$SHADER_SPECIFIC_CONST_3.x
+mul oD0, $worldEyeVect.w, $SHADER_SPECIFIC_CONST_3.y
+
+; dudv map
+alloc $bumpTexCoord
+
+dp4 $bumpTexCoord.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_1
+dp4 $bumpTexCoord.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_2
+
+mov oT0.xy, $bumpTexCoord
+
+; normal map
+mov oT2.xy, $bumpTexCoord
+
+free $bumpTexCoord
+
+alloc $newProjPos
+
+mov oPos, $projPos
+
+; special case perspective correct texture projection so that the texture fits exactly on the screen
+mul $projPos.y, $projPos.y, $SHADER_SPECIFIC_CONST_4.w
+add $projPos.xy, $projPos.xy, $projPos.w
+mul $projPos.xy, $projPos.xy, $cHalf
+
+mov oT1.xy, $projPos.xy
+mov oT1.z, $cZero
+mov oT1.w, $projPos.w
+
+free $projPos
+free $worldPos
+free $worldEyeVect
+free $projTangentS
+free $projTangentT
+free $newProjPos