vs_2_0
dcl_position	v0
dcl_normal		v1
dcl_texcoord6	v14
dcl_texcoord7	v15
dcl_position1	v6
dcl_normal1	v10
dcl_position2	v7
dcl_normal2	v11
dcl_position3	v8
dcl_normal3	v12
dcl_position4	v9
dcl_normal4	v13
#include "../../VertexShader.h"

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

; Calculate bone indices 
mad		r7, vIndices, c23.x, c23.y

; Sum weighted blendshape position deltas
mul     rTemp, vBlend0, c24.x
mad     rTemp, vBlend1, c24.y, rTemp
mad     rTemp, vBlend2, c24.z, rTemp
mad     rTemp, vBlend3, c24.w, rTemp
mad     rTemp.xyz, c26.x, rTemp, vPos
mov     rTemp.w, C_ONE

; Skin position by bone 0
MOVA	a0.x, r7.x
m4x3	r0.xyz, rTemp, c[a0.x]	
mul		pPos.xyz, r0.xyz, vWeights.xxx

; Calculate the second bone weight from the first
sub		r8.x, C_ONE, vWeights.x

; Skin position by bone 1
MOVA	a0.x, r7.y
m4x3	r0.xyz, rTemp, c[a0.x]
mad		pPos.xyz, r0.xyz, r8.x, pPos
mov     pPos.w, C_ONE

; Sum weighted blendshape normal deltas
mul     rTemp, vBlendNorm0, c25.x
mad     rTemp, vBlendNorm1, c25.y, rTemp
mad     rTemp, vBlendNorm2, c25.z, rTemp
mad     rTemp, vBlendNorm3, c25.w, rTemp
mad		rTemp, c26.x, rTemp, vNormal

; Skin normal by bone 0
MOVA	a0.x, r7.x
m3x3	pNormal.xyz, rTemp, c[a0.x]
NormalizeVector(pNormal)

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

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

#define C_LIGHT_POSITION		c10
#define C_LIGHT_DIR				c11
#define C_SHADING_TYPE			c12

#define C_TEXGEN_MATRIX_1		c13
#define C_TEXGEN_MATRIX_2		c14
#define C_TEXGEN_MATRIX_3		c15

#define C_ATTENUATION_RANGE		c16


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

; Initialize diffuse color
mov		rFinalDiffuse, C_MATERIAL_COLOR

; Calculate the vertex-to-light vector, and project along the light's direction
add		rVertexToLight, C_LIGHT_POSITION, -pPos
dp3		rAtten.x, C_LIGHT_DIR, rVertexToLight

; Clip vertices behind the light to zero
sge		rTemp.x, rAtten.x, C_LIGHT_POSITION.w
mul		rFinalDiffuse.w, rFinalDiffuse.w, rTemp.x

; Apply N-dot-L shading to the diffuse alpha
NormalizeVector(rVertexToLight)
dp3		rLightCoeff.x, pNormal, C_LIGHT_DIR					; Directional light shading
dp3		rLightCoeff.y, pNormal, rVertexToLight				; Point light shading
mov		rLightCoeff.z, C_ZERO
dp3		rLightCoeff, rLightCoeff, C_SHADING_TYPE			; Select type of shading to apply
max		rLightCoeff.x, rLightCoeff.x, C_ZERO.x
mul		rFinalDiffuse.w, rFinalDiffuse.w, rLightCoeff.x

; Scale projected vertex-to-light vector and apply to the diffuse alpha
mad		rAtten.x, rAtten.x, C_ATTENUATION_RANGE.x, C_ATTENUATION_RANGE.y
max		rAtten.x, rAtten.x, C_ZERO
min		rAtten.x, rAtten.x, C_ONE
mul		rFinalDiffuse.w, rFinalDiffuse.w, rAtten.x

; Copy the final color to output
mov		oD0, rFinalDiffuse
#include "..\..\VertexShader.h"

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

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

#define C_LIGHT_POSITION		c10
#define C_LIGHT_DIR				c11
#define C_SHADING_TYPE			c12

#define C_TEXGEN_MATRIX_1		c13
#define C_TEXGEN_MATRIX_2		c14
#define C_TEXGEN_MATRIX_3		c15

#define C_ATTENUATION_RANGE		c16
#define C_INTERPOLATION_RANGE	c17


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

; Apply texture matrix to position to generate texture coordinates

#ifdef _XBOX
dp4		oT0.x, pPos, C_TEXGEN_MATRIX_1
#else
dp4		oT0, pPos, C_TEXGEN_MATRIX_1
#endif

dp4		oT0.y, pPos, C_TEXGEN_MATRIX_2

; Third texture coordinate needed for perspective divide
dp4		oT0.w, pPos, C_TEXGEN_MATRIX_3