#include "common.h"
#include "lmodel.h"
#include "shadow.h"

#ifdef USE_SUNFILTER
float4 	main		( float4 tc : TEXCOORD0, float4 tcJ : TEXCOORD1 ) : COLOR
{
  float4 	_P	= tex2Dproj 	(s_position, 	tc)	;
		_P.w 	= 1.f					;
	float4 	PS	= mul		(m_shadow, 	_P)	;
	half 	s 	= shadowtest_sun(PS,tcJ)*sunmask(_P)	;
	return 	s	;
}
#else
float4 	main		( float4 tc : TEXCOORD0, float4 tcJ : TEXCOORD1 ) : COLOR
{
  float4 _P		= tex2Dproj 	(s_position, 	tc);
  half4  _N		= tex2Dproj 	(s_normal,   	tc);

	// ----- light-model
	half 	m	= xmaterial	;
# ifndef USE_R2_STATIC_SUN
			m 	= _P.w		;
# endif
	half4	light 	= plight_infinity (m,_P,_N,Ldynamic_dir);

	// ----- shadow
  	float4 	P4 	= float4	(_P.x,_P.y,_P.z,1.f);
	float4 	PS	= mul		(m_shadow, 	P4);
	half 	s 	= sunmask	(P4);
	#if defined (USE_SJITTER) || SUN_QUALITY==2
	  s 	*= shadow_high 	(PS);//shadowtest_sun 	(PS,float4(0,0,0,0));
	#else
	  s 	*= shadow		(PS);
	#endif

	return 		blend		(Ldynamic_color * light * s/*float4( 1.f, 0.2f, 0.2f, 1.f)*/,tc);
}
#endif