vs_2_0
dcl_position	v0
dcl_normal		v1
dcl_color		v2
dcl_texcoord0	v3
dcl_texcoord1	v4
dcl_tangent	v7
dcl_binormal	v8
dcl_texcoord4	v9
#include "..\..\VertexShader.h"

;------------------------------------------------------------------------------
; Geometry transform
;------------------------------------------------------------------------------

; Copy model-space geometry to pipeline registers
mov		pPos, vPos
mov		pNormal, vNormal

; Copy model-space basis vectors to pipeline registers
mov		pBasisU, vBasisU
mov		pBasisV, vBasisV

; Transform position to projection space
m4x4	OPOS, vPos, C_PROJECTION_MATRIX
FIXUP_OPOS
#include "..\..\VertexShader.h"

;------------------------------------------------------------------------------
; Diffuse color
;------------------------------------------------------------------------------

; Combine vertex color and material color
mul		oD0, vDiffuse, C_MATERIAL_COLOR
#include "..\..\VertexShader.h"

;------------------------------------------------------------------------------
; Fog calculation
;------------------------------------------------------------------------------

; Calculate fog factor and copy to fog register
CalculateLayeredFog(pPos, oFog)
#include "..\..\VertexShader.h"

;------------------------------------------------------------------------------
; Texture coordinates
;------------------------------------------------------------------------------

; Base texture is the normal map
mul		oT0.xy, vTexCoords, C_TEXCOORD_DECOMPRESS

; Transform light direction into texture space and store as a texture stage
mov		rTemp, vLightDir
dp3		oT1.x, rTemp, vBasisU
dp3		oT1.y, rTemp, vBasisV
dp3		oT1.z, rTemp, vNormal

; Copy light map coords from UV set 1
mul		oT2.xy, vTexCoords1, C_TEXCOORD_DECOMPRESS