#include "quakedef.h"
#ifdef D3DQUAKE
#include "d3d9quake.h"

mleaf_t		*r_viewleaf, *r_oldviewleaf;
mleaf_t		*r_viewleaf2, *r_oldviewleaf2;
int		r_viewcluster, r_viewcluster2, r_oldviewcluster, r_oldviewcluster2;
extern qbyte			areabits[MAX_Q2MAP_AREAS/8];


int r_visframecount;
entity_t r_worldentity;
refdef_t	r_refdef;
vec3_t	r_origin, vpn, vright, vup;
extern float	r_projection_matrix[16];
extern float	r_view_matrix[16];


extern mplane_t	frustum[4];

vec3_t modelorg;

entity_t *currententity;
extern cvar_t gl_mindist;


void	(D3D9_R_DeInit)					(void)
{
	int i;

#ifdef Q3SHADERS
	Shader_Shutdown();
#endif


	for (i = 0; i < numlightmaps; i++)
	{
		if (!lightmap[i])
			break;
		BZ_Free(lightmap[i]);
		lightmap[i] = NULL;
	}

	if (lightmap_d3d9textures)
		BZ_Free(lightmap_d3d9textures);
	if (lightmap)
		BZ_Free(lightmap);

	lightmap_d3d9textures=NULL;
	lightmap=NULL;
	numlightmaps=0;
}
void	(D3D9_R_ReInit)					(void)
{
}
void	(D3D9_R_Init)					(void)
{
	D3D9_R_ReInit();
}

//most of this is a direct copy from gl
void	(D3D9_SetupFrame)				(void)
{
	mleaf_t	*leaf;
	vec3_t	temp;

	GLR_AnimateLight();
	AngleVectors (r_refdef.viewangles, vpn, vright, vup);
	VectorCopy (r_refdef.vieworg, r_origin);
	r_framecount++;

	if (r_refdef.flags & Q2RDF_NOWORLDMODEL)
	{
	}
#ifdef Q2BSPS
	else if (cl.worldmodel && (cl.worldmodel->fromgame == fg_quake2 || cl.worldmodel->fromgame == fg_quake3))
	{
		static mleaf_t fakeleaf;
		mleaf_t	*leaf;

		r_viewleaf = &fakeleaf;	//so we can use quake1 rendering routines for q2 bsps.
		r_viewleaf->contents = Q1CONTENTS_EMPTY;
		r_viewleaf2 = NULL;

		r_oldviewcluster = r_viewcluster;
		r_oldviewcluster2 = r_viewcluster2;
		leaf = GLMod_PointInLeaf (cl.worldmodel, r_origin);
		r_viewcluster = r_viewcluster2 = leaf->cluster;

		// check above and below so crossing solid water doesn't draw wrong
		if (!leaf->contents)
		{	// look down a bit
			vec3_t	temp;

			VectorCopy (r_origin, temp);
			temp[2] -= 16;
			leaf = GLMod_PointInLeaf (cl.worldmodel, temp);
			if ( !(leaf->contents & Q2CONTENTS_SOLID) &&
				(leaf->cluster != r_viewcluster2) )
				r_viewcluster2 = leaf->cluster;
		}
		else
		{	// look up a bit
			vec3_t	temp;

			VectorCopy (r_origin, temp);
			temp[2] += 16;
			leaf = GLMod_PointInLeaf (cl.worldmodel, temp);
			if ( !(leaf->contents & Q2CONTENTS_SOLID) &&
				(leaf->cluster != r_viewcluster2) )
				r_viewcluster2 = leaf->cluster;
		}
	}
#endif
	else
	{
		r_oldviewleaf = r_viewleaf;
		r_oldviewleaf2 = r_viewleaf2;
		r_viewleaf = GLMod_PointInLeaf (cl.worldmodel, r_origin);

		if (!r_viewleaf)
		{
		}
		else if (r_viewleaf->contents == Q1CONTENTS_EMPTY)
		{	//look down a bit			
			VectorCopy (r_origin, temp);
			temp[2] -= 16;
			leaf = GLMod_PointInLeaf (cl.worldmodel, temp);
			if (leaf->contents <= Q1CONTENTS_WATER && leaf->contents >= Q1CONTENTS_LAVA)
				r_viewleaf2 = leaf;
			else
				r_viewleaf2 = NULL;
		}
		else if (r_viewleaf->contents <= Q1CONTENTS_WATER && r_viewleaf->contents >= Q1CONTENTS_LAVA)
		{	//in water, look up a bit.
		
			VectorCopy (r_origin, temp);
			temp[2] += 16;
			leaf = GLMod_PointInLeaf (cl.worldmodel, temp);
			if (leaf->contents == Q1CONTENTS_EMPTY)
				r_viewleaf2 = leaf;
			else
				r_viewleaf2 = NULL;
		}
		else
			r_viewleaf2 = NULL;
		
		if (r_viewleaf)
			V_SetContentsColor (r_viewleaf->contents);
	}
}

void D3D9_SetupViewPort(void)
{
	float	screenaspect;
	int glwidth = vid.width, glheight=vid.height;
	int		x, x2, y2, y, w, h;

	float fov_x, fov_y;

	D3DVIEWPORT9 vport;

	D3D9_GetBufferSize(&glwidth, &glheight);

	//
	// set up viewpoint
	//
	x = r_refdef.vrect.x * glwidth/(int)vid.width;
	x2 = (r_refdef.vrect.x + r_refdef.vrect.width) * glwidth/(int)vid.width;
	y = (/*vid.height-*/r_refdef.vrect.y) * glheight/(int)vid.height;
	y2 = ((int)/*vid.height - */(r_refdef.vrect.y + r_refdef.vrect.height)) * glheight/(int)vid.height;

	// fudge around because of frac screen scale
	if (x > 0)
		x--;
	if (x2 < glwidth)
		x2++;
	if (y < 0)
		y--;
	if (y2 < glheight)
		y2++;

	w = x2 - x;
	h = y2 - y;

/*	if (envmap)
	{
		x = y2 = 0;
		w = h = 256;
	}
*/

	vport.X = x;
	vport.Y = y;
	vport.Width = w;
	vport.Height = h;
	vport.MinZ = 0;
	vport.MaxZ = 1;
	IDirect3DDevice9_SetViewport(pD3DDev9, &vport);

	fov_x = r_refdef.fov_x;//+sin(cl.time)*5;
	fov_y = r_refdef.fov_y;//-sin(cl.time+1)*5;

	if (r_waterwarp.value<0 && r_viewleaf->contents <= Q1CONTENTS_WATER)
	{
		fov_x *= 1 + (((sin(cl.time * 4.7) + 1) * 0.015) * r_waterwarp.value);
		fov_y *= 1 + (((sin(cl.time * 3.0) + 1) * 0.015) * r_waterwarp.value);
	}

	screenaspect = (float)r_refdef.vrect.width/r_refdef.vrect.height;
//	if (r_refdef.useperspective)
	{
/*		if ((!r_shadows.value || !gl_canstencil) && gl_maxdist.value>256)//gl_nv_range_clamp)
		{
	//		yfov = 2*atan((float)r_refdef.vrect.height/r_refdef.vrect.width)*180/M_PI;
	//		yfov = (2.0 * tan (scr_fov.value/360*M_PI)) / screenaspect;
	//		yfov = 2*atan((float)r_refdef.vrect.height/r_refdef.vrect.width)*(scr_fov.value*2)/M_PI;
	//		MYgluPerspective (yfov,  screenaspect,  4,  4096);
			MYgluPerspective (fov_x, fov_y,  gl_mindist.value,  gl_maxdist.value);
		}
		else*/
		{
			GL_InfinatePerspective(fov_x, fov_y, gl_mindist.value);
		}
	}
/*	else
	{
		if (gl_maxdist.value>=1)
			GL_ParallelPerspective(-fov_x/2, fov_x/2, fov_y/2, -fov_y/2, -gl_maxdist.value, gl_maxdist.value);
		else
			GL_ParallelPerspective(0, r_refdef.vrect.width, 0, r_refdef.vrect.height, -9999, 9999);
	}*/

	Matrix4_ModelViewMatrixFromAxis(r_view_matrix, vpn, vright, vup, r_refdef.vieworg);


	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_PROJECTION, (D3DMATRIX*)r_projection_matrix);
	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_VIEW, (D3DMATRIX*)r_view_matrix);


	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_LESSEQUAL);
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZENABLE, D3DZB_TRUE);
}






qbyte *Q1BSP_LeafPVS (model_t *model, mleaf_t *leaf, qbyte *buffer);



//fixme: direct copy from gl (apart from lightmaps)
static void D3D9_RecursiveWorldNode (mnode_t *node)
{
	int			c, side;
	mplane_t	*plane;
	msurface_t	*surf, **mark;
	mleaf_t		*pleaf;
	double		dot;
	int shift;

start:

	if (node->contents == Q1CONTENTS_SOLID)
		return;		// solid

	if (node->visframe != r_visframecount)
		return;
	if (R_CullBox (node->minmaxs, node->minmaxs+3))
		return;

// if a leaf node, draw stuff
	if (node->contents < 0)
	{
		pleaf = (mleaf_t *)node;

		mark = pleaf->firstmarksurface;
		c = pleaf->nummarksurfaces;

		if (c)
		{
			do
			{
				(*mark++)->visframe = r_framecount;
			} while (--c);
		}

	// deal with model fragments in this leaf
		if (pleaf->efrags)
			R_StoreEfrags (&pleaf->efrags);
		return;
	}

// node is just a decision point, so go down the apropriate sides

// find which side of the node we are on
	plane = node->plane;

	switch (plane->type)
	{
	case PLANE_X:
		dot = modelorg[0] - plane->dist;
		break;
	case PLANE_Y:
		dot = modelorg[1] - plane->dist;
		break;
	case PLANE_Z:
		dot = modelorg[2] - plane->dist;
		break;
	default:
		dot = DotProduct (modelorg, plane->normal) - plane->dist;
		break;
	}

	if (dot >= 0)
		side = 0;
	else
		side = 1;

// recurse down the children, front side first
	D3D9_RecursiveWorldNode (node->children[side]);

// draw stuff
  	c = node->numsurfaces;

	if (c)
	{
		surf = cl.worldmodel->surfaces + node->firstsurface;

		shift = 0;//GLR_LightmapShift(cl.worldmodel);

//		if (dot < 0 -BACKFACE_EPSILON)
//			side = SURF_PLANEBACK;
//		else if (dot > BACKFACE_EPSILON)
//			side = 0;
		{
			for ( ; c ; c--, surf++)
			{
				if (surf->visframe != r_framecount)
					continue;

//				if (((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK)))
//					continue;		// wrong side

				D3DR_RenderDynamicLightmaps (surf, shift);
				// if sorting by texture, just store it out
/*				if (surf->flags & SURF_DRAWALPHA)
				{	// add to the translucent chain
					surf->nextalphasurface = r_alpha_surfaces;
					r_alpha_surfaces = surf;
					surf->ownerent = &r_worldentity;
				}
				else
*/				{
					surf->texturechain = surf->texinfo->texture->texturechain;
					surf->texinfo->texture->texturechain = surf;
				}
			}
		}
	}

// recurse down the back side
//	D3D9_RecursiveWorldNode (node->children[!side]);
	node = node->children[!side];
	goto start;
}

//fixme: direct copy from gl (apart from lightmaps)
static void D3D9_RecursiveQ2WorldNode (mnode_t *node)
{
	int			c, side;
	mplane_t	*plane;
	msurface_t	*surf, **mark;
	mleaf_t		*pleaf;
	double		dot;
	int shift;

start:

	if (node->contents == Q2CONTENTS_SOLID)
		return;		// solid

	if (node->visframe != r_visframecount)
		return;
	if (R_CullBox (node->minmaxs, node->minmaxs+3))
		return;

// if a leaf node, draw stuff
	if (node->contents < 0)
	{
		pleaf = (mleaf_t *)node;

		mark = pleaf->firstmarksurface;
		c = pleaf->nummarksurfaces;

		if (c)
		{
			do
			{
				(*mark++)->visframe = r_framecount;
			} while (--c);
		}

	// deal with model fragments in this leaf
		if (pleaf->efrags)
			R_StoreEfrags (&pleaf->efrags);
		return;
	}

// node is just a decision point, so go down the apropriate sides

// find which side of the node we are on
	plane = node->plane;

	switch (plane->type)
	{
	case PLANE_X:
		dot = modelorg[0] - plane->dist;
		break;
	case PLANE_Y:
		dot = modelorg[1] - plane->dist;
		break;
	case PLANE_Z:
		dot = modelorg[2] - plane->dist;
		break;
	default:
		dot = DotProduct (modelorg, plane->normal) - plane->dist;
		break;
	}

	if (dot >= 0)
		side = 0;
	else
		side = 1;

// recurse down the children, front side first
	D3D9_RecursiveQ2WorldNode (node->children[side]);

// draw stuff
  	c = node->numsurfaces;

	if (c)
	{
		surf = cl.worldmodel->surfaces + node->firstsurface;

		shift = 0;//GLR_LightmapShift(cl.worldmodel);

//		if (dot < 0 -BACKFACE_EPSILON)
//			side = SURF_PLANEBACK;
//		else if (dot > BACKFACE_EPSILON)
//			side = 0;
		{
			for ( ; c ; c--, surf++)
			{
				if (surf->visframe != r_framecount)
					continue;

//				if (((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK)))
//					continue;		// wrong side

				D3DR_RenderDynamicLightmaps (surf, shift);
				// if sorting by texture, just store it out
/*				if (surf->flags & SURF_DRAWALPHA)
				{	// add to the translucent chain
					surf->nextalphasurface = r_alpha_surfaces;
					r_alpha_surfaces = surf;
					surf->ownerent = &r_worldentity;
				}
				else
*/				{
					surf->texturechain = surf->texinfo->texture->texturechain;
					surf->texinfo->texture->texturechain = surf;
				}
			}
		}
	}

// recurse down the back side
//	D3D9_RecursiveWorldNode (node->children[!side]);
	node = node->children[!side];
	goto start;
}

#ifdef Q3BSPS
extern mleaf_t		*r_vischain;		// linked list of visible leafs
static void D3D9_LeafWorldNode (void)
{
	int			i;
	int			clipflags;
	msurface_t	**mark, *surf;
	mleaf_t		*pleaf;


	int clipped;
	mplane_t *clipplane;


	for ( pleaf = r_vischain; pleaf; pleaf = pleaf->vischain )
	{
		// check for door connected areas
//		if ( areabits )
		{
//			if (! (areabits[pleaf->area>>3] & (1<<(pleaf->area&7)) ) )
//			{
//				continue;		// not visible
//			}
		}

		clipflags = 15;		// 1 | 2 | 4 | 8
//		if ( !r_nocull->value )
		{

			for (i=0,clipplane=frustum ; i<4 ; i++,clipplane++)
			{
				clipped = BoxOnPlaneSide ( pleaf->minmaxs, pleaf->minmaxs+3, clipplane );
				if ( clipped == 2 ) {
					break;
				} else if ( clipped == 1 ) {
					clipflags &= ~(1<<i);	// node is entirely on screen
				}
			}

			if ( i != 4 ) {
				continue;
			}
		}

		i = pleaf->nummarksurfaces;
		mark = pleaf->firstmarksurface;

		do
		{
			surf = *mark++;
			if ( surf->visframe != r_framecount )	//sufraces exist in multiple leafs.
			{
				surf->visframe = r_framecount;

				surf->texturechain = surf->texinfo->texture->texturechain;
				surf->texinfo->texture->texturechain = surf;
			}
		} while (--i);

//		c_world_leafs++;
	}
}
#endif

struct {
	float x, y, z;
//	unsigned colour;
	float wms, wmt;
	float lms, lmt;
} worldvert[1024];
void D3D9_DrawTextureChains(void)
{
	texture_t *t;
	msurface_t *s;
	vec3_t *xyz;
	vec2_t *wm;
	vec2_t *lm;
	mesh_t *m;
	int i;
	int v;
	int lmnum;
	extern	int	skytexturenum;		// index in cl.loadmodel, not gl texture object

	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);


	if (skytexturenum>=0)
	{
		t = currentmodel->textures[skytexturenum];
		if (t)
		{
			s = t->texturechain;
			if (s)
			{
				t->texturechain = NULL;
				D3D9_DrawSkyChain (s);
			}
		}
	}

	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, FALSE );
	for (i = 0; i < currentmodel->numtextures; i++)
	{
		t = currentmodel->textures[i];
		if (!t)
			continue;	//happens on e1m2
		s = t->texturechain;
		if (!s)
			continue;
		t->texturechain = NULL;

		if (s->flags & SURF_DRAWTURB)
		{
			IDirect3DDevice9_SetTexture(pD3DDev9, 0, (void*)t->gl_texturenum);

IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_TEXCOORDINDEX, 0);
IDirect3DDevice9_SetTexture(pD3DDev9, 0, (void*)t->gl_texturenum);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_TEXCOORDINDEX, 1);
IDirect3DDevice9_SetTexture(pD3DDev9, 1, (void*)t->gl_texturenum);

IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);

IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG2, D3DTA_CURRENT);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_MODULATE2X);

	IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);


			while(s)
			{
				m = s->mesh;
				xyz = m->xyz_array;
				wm = m->st_array;
				lm = m->lmst_array;
				for (v = 0; v < m->numvertexes; v++, xyz++, wm++, lm++)
				{
					worldvert[v].x = (*xyz)[0];
					worldvert[v].y = (*xyz)[1];
					worldvert[v].z = (*xyz)[2];
			//		worldvert[v].colour = 0;
					worldvert[v].wms = (*wm)[0] + cl.time*0.2;
					worldvert[v].wmt = (*wm)[1] + cl.time*0.2 + 0.5;
					worldvert[v].lms = (*wm)[0] + cl.time*0.1;
					worldvert[v].lmt = (*wm)[1] + cl.time*0.1;
				}


				IDirect3DDevice9_SetFVF(pD3DDev9, D3DFVF_XYZ|D3DFVF_TEX2);
				IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, D3DPT_TRIANGLELIST, 0, m->numvertexes, m->numindexes/3, m->indexes, D3DFMT_QINDEX, worldvert, sizeof(worldvert[0]));

				s = s->texturechain;
			}
			lmnum = -4;


			IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MINFILTER, D3DTEXF_POINT);
			IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
			IDirect3DDevice9_SetSamplerState(pD3DDev9, 1, D3DSAMP_MAGFILTER, D3DTEXF_POINT);

			continue;
		}

IDirect3DDevice9_SetTexture(pD3DDev9, 0, (void*)t->gl_texturenum);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_TEXCOORDINDEX, 0);

IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP,  D3DTOP_SELECTARG1 );
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );

		while(s)
		{
			m = s->mesh;
			if (m)
			{

				lmnum = s->lightmaptexturenum;
				if (lmnum >= 0)
				{
					if (lightmap[lmnum]->modified)
					{
						D3DLOCKED_RECT desc;

						IDirect3DTexture9_LockRect(lightmap_d3d9textures[lmnum], 0, &desc, NULL, DDLOCK_NOSYSLOCK|DDLOCK_WAIT|DDLOCK_WRITEONLY|DDLOCK_DISCARDCONTENTS);
						memcpy(desc.pBits, lightmap[lmnum]->lightmaps, LMBLOCK_WIDTH*LMBLOCK_HEIGHT*4);
					/*	{
							int i;
							unsigned char *c;
							unsigned char v;
							c = desc.lpSurface;
							for (i = 0; i < LMBLOCK_WIDTH*LMBLOCK_HEIGHT; i++)
							{
								v = rand();
								*c++ = v;
								*c++ = v;
								*c++ = v;
								c++;
							}
						}*/
						IDirect3DTexture9_UnlockRect(lightmap_d3d9textures[lmnum], NULL);

						lightmap[lmnum]->modified = false;
					}


					IDirect3DDevice9_SetTexture(pD3DDev9, 1, (void*)lightmap_d3d9textures[lmnum]);
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG1, D3DTA_TEXTURE);
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG2, D3DTA_CURRENT);
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_MODULATE);
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_TEXCOORDINDEX, 1);

					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_ALPHAOP,  D3DTOP_SELECTARG1 );
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
				}
				else
				{
					IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
				}

//pD3DDev->lpVtbl->SetTextureStageState(pD3DDev, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);

				xyz = m->xyz_array;
				wm = m->st_array;
				lm = m->lmst_array;

				if (!wm || !lm)
				{
					s = s->texturechain;
					continue;
				}

	for (v = 0; v < m->numvertexes; v++, xyz++, wm++, lm++)
	{
		worldvert[v].x = (*xyz)[0];
		worldvert[v].y = (*xyz)[1];
		worldvert[v].z = (*xyz)[2];
//		worldvert[v].colour = 0;
		worldvert[v].wms = (*wm)[0];
		worldvert[v].wmt = (*wm)[1];
		worldvert[v].lms = (*lm)[0];
		worldvert[v].lmt = (*lm)[1];
	}

	IDirect3DDevice9_SetFVF(pD3DDev9, D3DFVF_XYZ|D3DFVF_TEX2);
	IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, D3DPT_TRIANGLELIST, 0, m->numvertexes, m->numindexes/3, m->indexes, D3DFMT_QINDEX, worldvert, sizeof(worldvert[0]));
//				IDirect3DDevice9_DrawIndexedPrimitive(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_TEX2, worldvert, m->numvertexes, m->indexes, m->numindexes, 0);
			}
			s = s->texturechain;
		}
	}
	IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE );

	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
}

void D3D9_BaseBModelTextures(entity_t *e)
{
	texture_t *t;
	msurface_t *s;
	vec3_t *xyz;
	vec2_t *wm;
	vec2_t *lm;
	mesh_t *m;
	int i;
	int v;
	float matrix[16];
	int lmnum = -1;
	currentmodel = e->model;


	for (s = currentmodel->surfaces+currentmodel->firstmodelsurface, i = 0; i < currentmodel->nummodelsurfaces; i++, s++)
	{
		t = R_TextureAnimation(s->texinfo->texture);

		{
			m = s->mesh;
			if (m)
				D3DR_RenderDynamicLightmaps (s, 0);
		}
	}

	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);

	Matrix4_ModelMatrixFromAxis(matrix, e->axis[0], e->axis[1], e->axis[2], e->origin);
	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)matrix);

	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, FALSE );
	for (s = currentmodel->surfaces+currentmodel->firstmodelsurface, i = 0; i < currentmodel->nummodelsurfaces; i++, s++)
	{
		t = R_TextureAnimation(s->texinfo->texture);

		if (s->lightmaptexturenum < 0)
			continue;

		IDirect3DDevice9_SetTexture(pD3DDev9, 0, (void*)t->gl_texturenum);
		IDirect3DDevice9_SetTexture(pD3DDev9, 1, (void*)lightmap_d3d9textures[s->lightmaptexturenum]);
		{
			m = s->mesh;
			if (m)
			{

				if (lmnum != s->lightmaptexturenum)
				{
					lmnum = s->lightmaptexturenum;
					if (lmnum >= 0)
					{
#if 0
						if (lightmap[lmnum]->modified)
						{
							DDSURFACEDESC2 desc;
							
							desc.dwSize = sizeof(desc);
							lightmap_d3d9textures[lmnum]->lpVtbl->Lock(lightmap_d3dtextures[lmnum], NULL, &desc, DDLOCK_NOSYSLOCK|DDLOCK_WAIT|DDLOCK_WRITEONLY|DDLOCK_DISCARDCONTENTS, NULL);
							memcpy(desc.lpSurface, lightmap[lmnum]->lightmaps, LMBLOCK_WIDTH*LMBLOCK_HEIGHT*4);
						/*	{
								int i;
								unsigned char *c;
								unsigned char v;
								c = desc.lpSurface;
								for (i = 0; i < LMBLOCK_WIDTH*LMBLOCK_HEIGHT; i++)
								{
									v = rand();
									*c++ = v;
									*c++ = v;
									*c++ = v;
									c++;
								}
							}*/
							lightmap_d3d9textures[lmnum]->lpVtbl->Unlock(lightmap_d3d9textures[lmnum], NULL);

							lightmap[lmnum]->modified = false;
						}
#endif

						IDirect3DDevice9_SetTexture(pD3DDev9, 1, (void*)lightmap_d3d9textures[lmnum]);
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG1, D3DTA_TEXTURE);
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLORARG2, D3DTA_CURRENT);
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_MODULATE);
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_TEXCOORDINDEX, 1);

						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_ALPHAOP,  D3DTOP_SELECTARG1 );
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
					}
					else
					{
						IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
					}
				}



				xyz = m->xyz_array;
				wm = m->st_array;
				lm = m->lmst_array;

	for (v = 0; v < m->numvertexes; v++, xyz++, wm++, lm++)
	{
		worldvert[v].x = (*xyz)[0];
		worldvert[v].y = (*xyz)[1];
		worldvert[v].z = (*xyz)[2];
//		worldvert[v].colour = 0;
		worldvert[v].wms = (*wm)[0];
		worldvert[v].wmt = (*wm)[1];
		worldvert[v].lms = (*lm)[0];
		worldvert[v].lmt = (*lm)[1];
	}


	IDirect3DDevice9_SetFVF(pD3DDev9, D3DFVF_XYZ|D3DFVF_TEX2);
	IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, D3DPT_TRIANGLELIST, 0, m->numvertexes, m->numindexes/3, m->indexes, D3DFMT_QINDEX, worldvert, sizeof(worldvert[0]));
//				IDirect3DDevice9_DrawIndexedPrimitive(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_TEX2, worldvert, m->numvertexes, m->indexes, m->numindexes, 0);
			}
		}
	}
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE );

	IDirect3DDevice9_SetTextureStageState(pD3DDev9, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);


	IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)matrix);



	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
}



typedef struct {
	float pos[3];
	int colour;
	float tc[2];
} d3dvert_t;
/*
================
R_GetSpriteFrame
================
*/
/*
mspriteframe_t *R_GetSpriteFrame (entity_t *currententity)
{
	msprite_t		*psprite;
	mspritegroup_t	*pspritegroup;
	mspriteframe_t	*pspriteframe;
	int				i, numframes, frame;
	float			*pintervals, fullinterval, targettime, time;

	psprite = currententity->model->cache.data;
	frame = currententity->frame;

	if ((frame >= psprite->numframes) || (frame < 0))
	{
		Con_DPrintf ("R_DrawSprite: no such frame %d (%s)\n", frame, currententity->model->name);
		frame = 0;
	}

	if (psprite->frames[frame].type == SPR_SINGLE)
	{
		pspriteframe = psprite->frames[frame].frameptr;
	}
	else if (psprite->frames[frame].type == SPR_ANGLED)
	{
		pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
		pspriteframe = pspritegroup->frames[(int)((r_refdef.viewangles[1]-currententity->angles[1])/360*8 + 0.5-4)&7];
	}
	else
	{
		pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
		pintervals = pspritegroup->intervals;
		numframes = pspritegroup->numframes;
		fullinterval = pintervals[numframes-1];

		time = currententity->frame1time;

	// when loading in Mod_LoadSpriteGroup, we guaranteed all interval values
	// are positive, so we don't have to worry about division by 0
		targettime = time - ((int)(time / fullinterval)) * fullinterval;

		for (i=0 ; i<(numframes-1) ; i++)
		{
			if (pintervals[i] > targettime)
				break;
		}

		pspriteframe = pspritegroup->frames[i];
	}

	return pspriteframe;
}
*/
static void D3D9_DrawSpriteModel (entity_t *e)
{
	vec3_t	point;
	mspriteframe_t	*frame;
	vec3_t		forward, right, up;
	msprite_t		*psprite;
	qbyte coloursb[4];

	d3dvert_t d3dvert[4];
	index_t vertindexes[6] = {
		0, 1, 2,
		0, 2, 3
	};

#ifdef Q3SHADERS
	mpic_t *pic = e->forcedshader;
#else
	mpic_t *pic = NULL;
#endif

	if (pic || !e->model)
	{
		int colour;

		colour = 0;

		((unsigned char*)&colour)[0] = e->shaderRGBAf[2]*255;
		((unsigned char*)&colour)[1] = e->shaderRGBAf[1]*255;
		((unsigned char*)&colour)[2] = e->shaderRGBAf[0]*255;
		((unsigned char*)&colour)[3] = e->shaderRGBAf[3]*255;

		VectorCopy(vup, up);
		VectorCopy(vright, right);

		up[0]*=e->scale;
		up[1]*=e->scale;
		up[2]*=e->scale;
		right[0]*=e->scale;
		right[1]*=e->scale;
		right[2]*=e->scale;

		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA);		\
		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND,  D3DBLEND_INVSRCALPHA);	\

		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, FALSE);
		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHABLENDENABLE, TRUE);

		if (pic)
			IDirect3DDevice9_SetTexture(pD3DDev9, 0, *(LPDIRECT3DBASETEXTURE9*)&pic->data);
		else
			IDirect3DDevice9_SetTexture(pD3DDev9, 0, NULL);

		if (e->flags & RF_NODEPTHTEST)
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_ALWAYS);

		d3dvert[0].colour = colour;
		d3dvert[0].tc[0] = 0;
		d3dvert[0].tc[1] = 1;
		VectorMA (e->origin, -1, up, point);
		VectorMA (point, -1, right, d3dvert[0].pos);

		d3dvert[1].colour = colour;
		d3dvert[1].tc[0] = 0;
		d3dvert[1].tc[0] = 0;
		VectorMA (e->origin, 1, up, point);
		VectorMA (point, -1, right, d3dvert[1].pos);

		d3dvert[2].colour = colour;
		d3dvert[2].tc[0] = 1;
		d3dvert[2].tc[1] = 0;
		VectorMA (e->origin, 1, up, point);
		VectorMA (point, 1, right, d3dvert[2].pos);

		d3dvert[3].colour = colour;
		d3dvert[3].tc[0] = 1;
		d3dvert[3].tc[1] = 1;
		VectorMA (e->origin, -1, up, point);
		VectorMA (point, 1, right, d3dvert[3].pos);
		
		IDirect3DDevice9_SetFVF(pD3DDev9, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1);
		IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, D3DPT_TRIANGLELIST, 0, 4, 2, vertindexes, D3DFMT_QINDEX, d3dvert, sizeof(d3dvert[0]));


		if (e->flags & RF_NODEPTHTEST)
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_LESSEQUAL);

		return;
	}

	if (!e->model)
		return;

	if (e->flags & RF_NODEPTHTEST)
		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_ALWAYS);

	// don't even bother culling, because it's just a single
	// polygon without a surface cache
	frame = R_GetSpriteFrame (e);
	if (!frame)
		return;
	psprite = e->model->cache.data;
//	frame = 0x05b94140;

	switch(psprite->type)
	{
	case SPR_ORIENTED:
		// bullet marks on walls
		AngleVectors (e->angles, forward, right, up);
		break;

	case SPR_FACING_UPRIGHT:
		up[0] = 0;up[1] = 0;up[2]=1;
		right[0] = e->origin[1] - r_origin[1];
		right[1] = -(e->origin[0] - r_origin[0]);
		right[2] = 0;
		VectorNormalize (right);
		break;
	case SPR_VP_PARALLEL_UPRIGHT:
		up[0] = 0;up[1] = 0;up[2]=1;
		VectorCopy (vright, right);
		break;

	default:
	case SPR_VP_PARALLEL:
		//normal sprite
		VectorCopy(vup, up);
		VectorCopy(vright, right);
		break;
	}
	up[0]*=e->scale;
	up[1]*=e->scale;
	up[2]*=e->scale;
	right[0]*=e->scale;
	right[1]*=e->scale;
	right[2]*=e->scale;

	IDirect3DDevice9_SetTexture(pD3DDev9, 0, (void*)frame->gl_texturenum);

/*	{
		extern int gldepthfunc;
		qglDepthFunc(gldepthfunc);
		qglDepthMask(0);
		if (gldepthmin == 0.5) 
			qglCullFace ( GL_BACK );
		else
			qglCullFace ( GL_FRONT );

		GL_TexEnv(GL_MODULATE);

		qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		qglDisable (GL_ALPHA_TEST);
		qglDisable(GL_BLEND);
	}*/

/*	if (e->flags & Q2RF_ADDATIVE)
	{
		qglEnable(GL_BLEND);
		qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		qglBlendFunc(GL_SRC_ALPHA, GL_ONE);
	}
	else if (e->shaderRGBAf[3]<1 || gl_blendsprites.value)
	{
		qglEnable(GL_BLEND);
		qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
	}
	else
		qglEnable (GL_ALPHA_TEST);
*/

	d3dvert[0].colour = 0xffffffff;
	d3dvert[0].tc[0] = 0;
	d3dvert[0].tc[1] = 1;
	VectorMA (e->origin, frame->down, up, point);
	VectorMA (point, frame->left, right, d3dvert[0].pos);

	d3dvert[1].colour = 0xffffffff;
	d3dvert[1].tc[0] = 0;
	d3dvert[1].tc[0] = 0;
	VectorMA (e->origin, frame->up, up, point);
	VectorMA (point, frame->left, right, d3dvert[1].pos);

	d3dvert[2].colour = 0xffffffff;
	d3dvert[2].tc[0] = 1;
	d3dvert[2].tc[1] = 0;
	VectorMA (e->origin, frame->up, up, point);
	VectorMA (point, frame->right, right, d3dvert[2].pos);

	d3dvert[3].colour = 0xffffffff;
	d3dvert[3].tc[0] = 1;
	d3dvert[3].tc[1] = 1;
	VectorMA (e->origin, frame->down, up, point);
	VectorMA (point, frame->right, right, d3dvert[3].pos);
	
	IDirect3DDevice9_SetFVF(pD3DDev9, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1);
	IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, D3DPT_TRIANGLELIST, 0, 4, 2, vertindexes, D3DFMT_QINDEX, d3dvert, sizeof(d3dvert[0]));


	if (e->flags & RF_NODEPTHTEST)
		IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZFUNC, D3DCMP_LESSEQUAL);

//	if (e->flags & Q2RF_ADDATIVE)	//back to regular blending for us!
//		qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}

//==================================================================================

void D3D9R_DrawSprite(void *e, void *parm)
{
	currententity = e;

	D3D9_DrawSpriteModel (currententity);

//	P_FlushRenderer();
}



qboolean D3D9_ShouldDraw(void)
{
	{
		if (currententity->flags & Q2RF_EXTERNALMODEL)
			return false;
//		if (currententity->keynum == (cl.viewentity[r_refdef.currentplayernum]?cl.viewentity[r_refdef.currentplayernum]:(cl.playernum[r_refdef.currentplayernum]+1)))
//			return false;
//		if (cl.viewentity[r_refdef.currentplayernum] && currententity->keynum == cl.viewentity[r_refdef.currentplayernum])
//			continue;
		if (!Cam_DrawPlayer(r_refdef.currentplayernum, currententity->keynum-1))
			return false;
	}
	return true;
}


void D3D9_R_DrawEntitiesOnList (void)
{
	int		i;

	if (!r_drawentities.value)
		return;

	// draw sprites seperately, because of alpha blending
	for (i=0 ; i<cl_numvisedicts ; i++)
	{
		currententity = &cl_visedicts[i];

		if (!D3D9_ShouldDraw())
			continue;


		switch (currententity->rtype)
		{
		case RT_SPRITE:
			RQ_AddDistReorder(D3D9R_DrawSprite, currententity, NULL, currententity->origin);
			continue;
#ifdef Q3SHADERS
		case RT_BEAM:
		case RT_RAIL_RINGS:
		case RT_LIGHTNING:
//			R_DrawLightning(currententity);
			continue;
		case RT_RAIL_CORE:
//			R_DrawRailCore(currententity);
			continue;
#endif
		case RT_MODEL:	//regular model
			break;
		case RT_PORTALSURFACE:
			continue;	//this doesn't do anything anyway, does it?
		default:
		case RT_POLY:	//these are a little painful, we need to do them some time... just not yet.
			continue;
		}
		if (currententity->flags & Q2RF_BEAM)
		{
//			R_DrawBeam(currententity);
			continue;
		}
		if (!currententity->model)
			continue;


		if (cl.lerpents && (cls.allow_anyparticles || currententity->visframe))	//allowed or static
		{
/*			if (gl_part_flame.value)
			{
				if (currententity->model->engineflags & MDLF_ENGULPHS)
					continue;
			}*/
		}

		switch (currententity->model->type)
		{

		case mod_alias:
//			if (r_refdef.flags & Q2RDF_NOWORLDMODEL || !cl.worldmodel || cl.worldmodel->type != mod_brush || cl.worldmodel->fromgame == fg_doom)
				D3D9_DrawAliasModel ();
			break;
		
#ifdef HALFLIFEMODELS
		case mod_halflife:
			R_DrawHLModel (currententity);
			break;
#endif

		case mod_brush:
//			if (!cl.worldmodel || cl.worldmodel->type != mod_brush || cl.worldmodel->fromgame == fg_doom)
				D3D9_BaseBModelTextures (currententity);
			break;

		case mod_sprite:
			RQ_AddDistReorder(D3D9R_DrawSprite, currententity, NULL, currententity->origin);
			break;
/*
#ifdef TERRAIN
		case mod_heightmap:
			D3D9_DrawHeightmapModel(currententity);
			break;
#endif
*/
		default:
			break;
		}
	}

	{
		float m_identity[16] = {
			1, 0, 0, 0,
			0, 1, 0, 0,
			0, 0, 1, 0,
			0, 0, 0, 1
		};
		IDirect3DDevice9_SetTransform(pD3DDev9, D3DTS_WORLD, (D3DMATRIX*)m_identity);
	}
}

void D3D9_DrawWorld(void)
{
	RSpeedLocals();
	entity_t	ent;

	memset (&ent, 0, sizeof(ent));
	ent.model = cl.worldmodel;
	currentmodel = cl.worldmodel;

	VectorCopy (r_refdef.vieworg, modelorg);

	currententity = &ent;
#ifdef TERRAIN
// FIXME: Dunno what needs to be fixed here?
//	if (currentmodel->type == mod_heightmap)
//		D3D9_DrawHeightmapModel(currententity);
//	else
#endif
	{
//		qglColor3f (1,1,1);
	//#ifdef QUAKE2
//		R_ClearSkyBox ();
	//#endif

		RSpeedRemark();

#ifdef Q2BSPS
		if (ent.model->fromgame == fg_quake2 || ent.model->fromgame == fg_quake3)
		{
			int leafnum;
			int clientarea;
#ifdef QUAKE2
			if (cls.protocol == CP_QUAKE2)	//we can get server sent info
				memcpy(areabits, cl.q2frame.areabits, sizeof(areabits));
			else
#endif
			{	//generate the info each frame.
				leafnum = CM_PointLeafnum (cl.worldmodel, r_refdef.vieworg);
				clientarea = CM_LeafArea (cl.worldmodel, leafnum);
				CM_WriteAreaBits(cl.worldmodel, areabits, clientarea);
			}
#ifdef Q3BSPS
			if (ent.model->fromgame == fg_quake3)
			{
				D3D9_LeafWorldNode ();
			}
			else
#endif
				D3D9_RecursiveQ2WorldNode (cl.worldmodel->nodes);
		}
		else
#endif
			D3D9_RecursiveWorldNode (cl.worldmodel->nodes);

		RSpeedEnd(RSPEED_WORLDNODE);
		TRACE(("dbg: calling PPL_DrawWorld\n"));
//		if (r_shadows.value >= 2 && gl_canstencil && gl_mtexable)
			D3D9_DrawTextureChains();
//		else
//			DrawTextureChains (cl.worldmodel, 1, r_refdef.vieworg);


//qglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

//		GLR_LessenStains();
	}
}

void D3D9_R_RenderScene(void)
{
	if (!cl.worldmodel || (!cl.worldmodel->nodes && cl.worldmodel->type != mod_heightmap))
		r_refdef.flags |= Q2RDF_NOWORLDMODEL;

	if (!(r_refdef.flags & Q2RDF_NOWORLDMODEL))
	{
		R_MarkLeaves ();	// done here so we know if we're in water
		D3D9_DrawWorld ();		// adds static entities to the list
	}

	D3D9_R_DrawEntitiesOnList ();

	if (!(r_refdef.flags & Q2RDF_NOWORLDMODEL))
		P_DrawParticles();

	D3D9_Set2D();
}

void	(D3D9_R_RenderView)				(void)
{
	D3D9_SetupFrame();
	D3D9_SetupViewPort();
	R_SetFrustum();
	D3D9_R_RenderScene();
}



#include "particles.h"

#define APPLYD3D9BLEND(bm)	\
		switch (bm)												\
		{														\
		case BM_ADD:											\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA);		\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND,  D3DBLEND_ONE);			\
			break;												\
		case BM_SUBTRACT:										\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA);		\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND,  D3DBLEND_INVSRCCOLOR);	\
			break;												\
		case BM_BLENDCOLOUR:									\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND,  D3DBLEND_SRCCOLOR);		\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND,  D3DBLEND_INVSRCCOLOR);	\
			break;												\
		case BM_BLEND:											\
		default:												\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA);		\
			IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_DESTBLEND,  D3DBLEND_INVSRCALPHA);	\
			break;												\
		}


typedef struct d3dparticlevert_s {
	float org[3];
	unsigned int colour;
	float s, t;	//these could actually be preinitialised
} d3dparticlevert_t;
d3dparticlevert_t d3dparticlevert[4];

typedef struct d3dparticlevertut_s {
	float org[3];
	unsigned int colour;
} d3dparticlevertut_t;
d3dparticlevertut_t d3dparticlevertut[4];

part_type_t *lastd3dtype;
static vec3_t pright, pup;
static float particletime;

void IDirect3DDevice9_DrawIndexedPrimitive7(LPDIRECT3DDEVICE9 pD3DDev9, int mode, int fvf, void *verts, int numverts, index_t *indicies, int numindicies, int wasted)
{
	int size = 0;
	if (fvf & D3DFVF_XYZ)
		size += 12;
	if (fvf & D3DFVF_DIFFUSE)
		size += 4;
	if (fvf & D3DFVF_TEX1)
		size += 8;

	IDirect3DDevice9_SetFVF(pD3DDev9, fvf);
	IDirect3DDevice9_DrawIndexedPrimitiveUP(pD3DDev9, mode, 0, numverts, numindicies/3, indicies, D3DFMT_QINDEX, verts, size);
}

index_t d3d9particlevertindexes[] =
{
	0, 1, 2,
	0, 2, 3
};

void D3D9_DrawParticleBlob(particle_t *p, part_type_t *type)
{
	float scale;
	float x;
	float y;
	unsigned int colour;
	int cb, cg, cr, ca;
	if (lastd3dtype != type)
	{
		lastd3dtype = type;
		IDirect3DDevice9_SetTexture(pD3DDev9, 0, type->d3dtexture);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);

		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);

		APPLYD3D9BLEND(type->blendmode);
	}

	scale = (p->org[0] - r_origin[0])*vpn[0] + (p->org[1] - r_origin[1])*vpn[1]
		+ (p->org[2] - r_origin[2])*vpn[2];
	scale = (scale*p->scale)*(type->invscalefactor) + p->scale * (type->scalefactor*250);
	if (scale < 20)
		scale = 0.25;
	else
		scale = 0.25 + scale * 0.001;

	cr = p->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = p->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = p->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = p->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);

	if (p->angle)
	{
		x = sin(p->angle)*scale;
		y = cos(p->angle)*scale;
	}
	else
	{
		x = 0;
		y = scale;
	}
	d3dparticlevert[0].s = 0;
	d3dparticlevert[0].t = 0;
	d3dparticlevert[0].colour = colour;
	d3dparticlevert[0].org[0] = p->org[0] - x*pright[0] - y*pup[0];
	d3dparticlevert[0].org[1] = p->org[1] - x*pright[1] - y*pup[1];
	d3dparticlevert[0].org[2] = p->org[2] - x*pright[2] - y*pup[2];

	d3dparticlevert[1].s = 0;
	d3dparticlevert[1].t = 1;
	d3dparticlevert[1].colour = colour;
	d3dparticlevert[1].org[0] = p->org[0] - y*pright[0] + x*pup[0];
	d3dparticlevert[1].org[1] = p->org[1] - y*pright[1] + x*pup[1];
	d3dparticlevert[1].org[2] = p->org[2] - y*pright[2] + x*pup[2];

	d3dparticlevert[2].s = 1;
	d3dparticlevert[2].t = 1;
	d3dparticlevert[2].colour = colour;
	d3dparticlevert[2].org[0] = p->org[0] + x*pright[0] + y*pup[0];
	d3dparticlevert[2].org[1] = p->org[1] + x*pright[1] + y*pup[1];
	d3dparticlevert[2].org[2] = p->org[2] + x*pright[2] + y*pup[2];

	d3dparticlevert[3].s = 1;
	d3dparticlevert[3].t = 0;
	d3dparticlevert[3].colour = colour;
	d3dparticlevert[3].org[0] = p->org[0] + y*pright[0] - x*pup[0];
	d3dparticlevert[3].org[1] = p->org[1] + y*pright[1] - x*pup[1];
	d3dparticlevert[3].org[2] = p->org[2] + y*pright[2] - x*pup[2];

	IDirect3DDevice9_DrawIndexedPrimitive7(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1, d3dparticlevert, 4, d3d9particlevertindexes, 6, 0);
}
void D3D9_DrawParticleSpark(particle_t *p, part_type_t *type)
{
	vec3_t v, crv, o2;

	unsigned int colour;
	int cb, cg, cr, ca;

	if (lastd3dtype != type)
	{
		lastd3dtype = type;
		IDirect3DDevice9_SetTexture(pD3DDev9, 0, type->d3dtexture);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);

		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);

		APPLYD3D9BLEND(type->blendmode);
	}


	cr = p->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = p->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = p->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = p->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);




	VectorSubtract(r_refdef.vieworg, p->org, v);
	CrossProduct(v, p->vel, crv);
	VectorNormalize(crv);

	VectorMA(p->org, -p->scale/2, crv, d3dparticlevert[0].org);
	d3dparticlevert[0].s = 0;
	d3dparticlevert[0].t = 0;
	d3dparticlevert[0].colour = colour;

	VectorMA(p->org, p->scale/2, crv, d3dparticlevert[1].org);
	d3dparticlevert[1].s = 0;
	d3dparticlevert[1].t = 1;
	d3dparticlevert[1].colour = colour;


	VectorMA(p->org, 0.1, p->vel, o2);

	VectorSubtract(r_refdef.vieworg, o2, v);
	CrossProduct(v, p->vel, crv);
	VectorNormalize(crv);

	VectorMA(o2, p->scale/2, crv, d3dparticlevert[2].org);
	d3dparticlevert[2].s = 1;
	d3dparticlevert[2].t = 1;
	d3dparticlevert[2].colour = colour;

	VectorMA(o2, -p->scale/2, crv, d3dparticlevert[3].org);
	d3dparticlevert[3].s = 1;
	d3dparticlevert[3].t = 0;
	d3dparticlevert[3].colour = colour;


	IDirect3DDevice9_DrawIndexedPrimitive7(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1, d3dparticlevert, 4, d3d9particlevertindexes, 6, 0);
}
void D3D9_DrawParticleBeam(beamseg_t *b, part_type_t *type)
{
	vec3_t v;
	vec3_t crv;
	beamseg_t *c;
	particle_t *p;
	particle_t *q;
	float ts;


	unsigned int colour;
	int cb, cg, cr, ca;

	if (lastd3dtype != type)
	{
		lastd3dtype = type;
		IDirect3DDevice9_SetTexture(pD3DDev9, 0, type->d3dtexture);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_MODULATE);

IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);

		APPLYD3D9BLEND(type->blendmode);
	}




	c = b->next;
	q = c->p;
	p = b->p;


	cr = q->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = q->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = q->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = q->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);





	c = b->next;

	q = c->p;

	p = b->p;

	VectorSubtract(r_refdef.vieworg, q->org, v);
	VectorNormalize(v);
	CrossProduct(c->dir, v, crv);
	ts = c->texture_s*type->rotationstartmin + particletime*type->rotationmin;

	VectorMA(q->org, -q->scale, crv, d3dparticlevert[0].org);
	d3dparticlevert[0].s = ts;
	d3dparticlevert[0].t = 0;
	d3dparticlevert[0].colour = colour;
	
	VectorMA(q->org, q->scale, crv, d3dparticlevert[1].org);
	d3dparticlevert[1].s = ts;
	d3dparticlevert[1].t = 1;
	d3dparticlevert[1].colour = colour;
	

	cr = p->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = p->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = p->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = p->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);


	VectorSubtract(r_refdef.vieworg, p->org, v);
	VectorNormalize(v);
	CrossProduct(b->dir, v, crv); // replace with old p->dir?
	ts = b->texture_s*type->rotationstartmin + particletime*type->rotationmin;

	VectorMA(p->org, p->scale, crv, d3dparticlevert[2].org);
	d3dparticlevert[2].s = ts;
	d3dparticlevert[2].t = 1;
	d3dparticlevert[2].colour = colour;
	
	VectorMA(p->org, -p->scale, crv, d3dparticlevert[3].org);
	d3dparticlevert[3].s = ts;
	d3dparticlevert[3].t = 0;
	d3dparticlevert[3].colour = colour;
	

	IDirect3DDevice9_DrawIndexedPrimitive7(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1, d3dparticlevert, 4, d3d9particlevertindexes, 6, 0);
}

void D3D9_DrawParticleBeamUT(beamseg_t *b, part_type_t *type)
{
	vec3_t v;
	vec3_t crv;
	beamseg_t *c;
	particle_t *p;
	particle_t *q;
	float ts;


	unsigned int colour;
	int cb, cg, cr, ca;

//	D3D_DrawParticleBeam(b, type);
//	return;

	if (lastd3dtype != type)
	{
		lastd3dtype = type;
		IDirect3DDevice9_SetTexture(pD3DDev9, 0, NULL);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_COLOROP, D3DTOP_SELECTARG2);

		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG2);


		APPLYD3D9BLEND(type->blendmode);
	}




	c = b->next;
	q = c->p;
	p = b->p;


	cr = q->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = q->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = q->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = q->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);





	c = b->next;

	q = c->p;

	p = b->p;

	VectorSubtract(r_refdef.vieworg, q->org, v);
	VectorNormalize(v);
	CrossProduct(c->dir, v, crv);
	ts = c->texture_s*type->rotationstartmin + particletime*type->rotationmin;

	VectorMA(q->org, -q->scale, crv, d3dparticlevertut[0].org);
	d3dparticlevertut[0].colour = colour;
	
	VectorMA(q->org, q->scale, crv, d3dparticlevertut[1].org);
	d3dparticlevertut[1].colour = colour;
	

	cr = p->rgb[0]*255;
	if (cr < 0) cr = 0;
	if (cr > 255) cr = 255;

	cg = p->rgb[1]*255;
	if (cg < 0) cg = 0;
	if (cg > 255) cg = 255;

	cb = p->rgb[2]*255;
	if (cb < 0) cb = 0;
	if (cb > 255) cb = 255;

	ca = p->alpha*255;
	if (ca < 0) ca = 0;
	if (ca > 255) ca = 255;

	colour = (cb) | (cg<<8) | (cr << 16) | (ca << 24);


	VectorSubtract(r_refdef.vieworg, p->org, v);
	VectorNormalize(v);
	CrossProduct(b->dir, v, crv); // replace with old p->dir?
	ts = b->texture_s*type->rotationstartmin + particletime*type->rotationmin;

	VectorMA(p->org, p->scale, crv, d3dparticlevertut[2].org);
	d3dparticlevertut[2].colour = colour;
	
	VectorMA(p->org, -p->scale, crv, d3dparticlevertut[3].org);
	d3dparticlevertut[3].colour = colour;
	

	IDirect3DDevice9_DrawIndexedPrimitive7(pD3DDev9, D3DPT_TRIANGLELIST, D3DFVF_XYZ|D3DFVF_DIFFUSE, d3dparticlevertut, 4, d3d9particlevertindexes, 6, 0);
}






void D3D9_DrawParticles(float ptime)
{
	RSpeedLocals();

	particletime = ptime;
	VectorScale (vup, 1.5, pup);
	VectorScale (vright, 1.5, pright);

	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);	//they're not all mipmapped
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);

	lastd3dtype = NULL;
	DrawParticleTypes(D3D9_DrawParticleBlob, D3D9_DrawParticleSpark, D3D9_DrawParticleSpark, D3D9_DrawParticleSpark, D3D9_DrawParticleBeam, D3D9_DrawParticleBeamUT, NULL);

	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZWRITEENABLE, FALSE );
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, FALSE );
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHABLENDENABLE, TRUE );

	RSpeedRemark();
	RQ_RenderDistAndClear();
	RSpeedEnd(RSPEED_PARTICLESDRAW);

	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ZWRITEENABLE, TRUE );
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHATESTENABLE, TRUE );
	IDirect3DDevice9_SetRenderState(pD3DDev9, D3DRS_ALPHABLENDENABLE, FALSE );

	IDirect3DDevice9_SetTextureStageState(pD3DDev9, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);


	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
	IDirect3DDevice9_SetSamplerState(pD3DDev9, 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
}
#endif