vs_2_0
dcl_position	v0
dcl_normal		v1
dcl_texcoord0	v3
dcl_texcoord1	v4
dcl_texcoord2	v5
dcl_texcoord3	v6
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"

;------------------------------------------------------------------------------
; Defines
;------------------------------------------------------------------------------

#define C_EYE_POSITION			c10
#define C_HALF					c11


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

; Calculate normalized eye vector
add		rVertexToEye, C_EYE_POSITION, -pPos
NormalizeVector(rVertexToEye)

; Calculate normalized half vector
add		rHalfVector, rVertexToEye, vLightDir
NormalizeVector(rHalfVector)

; Calculate self-shadowing term
dp3		rTemp, pNormal, rHalfVector
sge		rTemp, rTemp, C_ZERO

; Store attenuated material color in diffuse channel
mov		oD0.xyz, C_MATERIAL_COLOR
mul		oD0.w, C_MATERIAL_COLOR, rTemp

; Transform H vector into texture space and store in the specular channel
dp3		rTemp.x, rHalfVector, pBasisU
dp3		rTemp.y, rHalfVector, pBasisV
dp3		rTemp.z, rHalfVector, pNormal
mad		oD1.xyz, rTemp, C_HALF, C_HALF

#ifdef _PCBUILD
mov		oD1.w, C_ONE
#endif
#include "..\..\VertexShader.h"

;------------------------------------------------------------------------------
; Fog calculation
;------------------------------------------------------------------------------
#include "..\..\VertexShader.h"

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

; Copy base texture coords
mul		oT0.xy, vTexCoords, C_TEXCOORD_DECOMPRESS

; Copy light map coords from UV set 3
mul		oT1.xy, vTexCoords3, C_TEXCOORD_DECOMPRESS