#include "common.h"

struct vv
{
	float4 P	: POSITION;
	float2 tc	: TEXCOORD0;
	float4 c	: COLOR0;
};

struct v2p
{
	float2 tc	: TEXCOORD0;
	float4 c	: COLOR0;

//	Igor: for additional depth dest
#ifdef	USE_SOFT_PARTICLES
	float4 tctexgen	: TEXCOORD1;
#endif	//	USE_SOFT_PARTICLES

	float4 hpos	: SV_Position;
    float fog : FOG;
};

uniform float4x4 	mVPTexgen;

v2p main (vv v)
{
	v2p 		o;

	o.hpos 		= mul	(m_WVP, v.P);		// xform, input in world coords
//	o.hpos 		= mul	(m_VP, v.P);		// xform, input in world coords
	o.tc		= v.tc;				// copy tc
	o.c			= unpack_D3DCOLOR(v.c);				// copy color

//	Igor: for additional depth dest
#ifdef	USE_SOFT_PARTICLES
	o.tctexgen 	= mul( mVPTexgen, v.P);
	o.tctexgen.z	= o.hpos.z;
#endif	//	USE_SOFT_PARTICLES

    o.fog = saturate(calc_fogging(v.P)); // fog, input in world coords
	return o;
}