fteqw/engine/client/renderer.c

#include "quakedef.h"
#include "winquake.h"
#ifdef RGLQUAKE
#include "gl_draw.h"
#endif
#ifdef SWQUAKE
#include "sw_draw.h"
#endif


qboolean vid_isfullscreen;

//move to headers

void GLR_SetSky (char *name, float rotate, vec3_t axis);
qboolean GLR_CheckSky(void);
void GLR_AddStain(vec3_t org, float red, float green, float blue, float radius);
void GLR_LessenStains(void);

void SWR_SetSky (char *name, float rotate, vec3_t axis);
qboolean SWR_CheckSky(void);
void SWR_AddStain(vec3_t org, float red, float green, float blue, float radius);
void SWR_LessenStains(void);

void GLVID_DeInit (void);
void GLR_DeInit (void);
void GLSCR_DeInit (void);

void SWVID_Shutdown (void);
void SWR_DeInit (void);
void SWSCR_DeInit (void);

int SWR_LightPoint (vec3_t p);
int GLR_LightPoint (vec3_t p);
void GLR_PreNewMap(void);

#define VIDCOMMANDGROUP "Video config"
#define GRAPHICALNICETIES "Graphical Nicaties"	//or eyecandy, which ever you prefer.
#define BULLETENVARS		"BulletenBoard controls"
#define GLRENDEREROPTIONS	"GL Renderer Options"
#define SWRENDEREROPTIONS	"SW Renderer Options"
#define SCREENOPTIONS	"Screen Options"


unsigned short	d_8to16table[256];
unsigned int	d_8to24bgrtable[256];
unsigned int	d_8to24rgbtable[256];
unsigned int	*d_8to32table = d_8to24bgrtable;	//palette lookups while rendering r_pixbytes=4


//


cvar_t	r_draworder = {"r_draworder","0", NULL, CVAR_CHEAT};
cvar_t	r_speeds = {"r_speeds","0", NULL, CVAR_CHEAT};
cvar_t	r_timegraph = {"r_timegraph","0"};
cvar_t	r_netgraph = {"r_netgraph","0"};
cvar_t	r_zgraph = {"r_zgraph","0"};
cvar_t	r_graphheight = {"r_graphheight","15"};
cvar_t	r_clearcolor = {"r_clearcolor","218"};
cvar_t	r_waterwarp = {"r_waterwarp","1"};
cvar_t	r_fullbright = {"r_fullbright","0", NULL, CVAR_CHEAT};
cvar_t	r_drawentities = {"r_drawentities","1"};
cvar_t	r_drawviewmodel = {"r_drawviewmodel","1"};
cvar_t	r_aliasstats = {"r_polymodelstats","0"};
cvar_t	r_dspeeds = {"r_dspeeds","0"};
cvar_t	r_drawflat = {"r_drawflat", "0", NULL, CVAR_CHEAT};
cvar_t	r_ambient = {"r_ambient", "0", NULL, CVAR_CHEAT};
cvar_t	r_reportsurfout = {"r_reportsurfout", "0"};
cvar_t	r_maxsurfs = {"r_maxsurfs", "0"};
cvar_t	r_numsurfs = {"r_numsurfs", "0"};
cvar_t	r_reportedgeout = {"r_reportedgeout", "0"};
cvar_t	r_maxedges = {"r_maxedges", "0"};
cvar_t	r_numedges = {"r_numedges", "0"};
cvar_t	r_aliastransbase = {"r_aliastransbase", "200"};
cvar_t	r_aliastransadj = {"r_aliastransadj", "100"};
cvar_t	d_smooth = {"d_smooth", "0"};

extern	cvar_t	r_dodgytgafiles;

cvar_t	r_nolerp = {"r_nolerp", "0"};
cvar_t	r_nolightdir = {"r_nolightdir", "0"};

cvar_t	r_sirds = {"r_sirds", "0", NULL, CVAR_SEMICHEAT};//whack in a value of 2 and you get easily visible players.

cvar_t	r_loadlits = {"r_loadlit", "1"};

cvar_t r_stains = {"r_stains", "1", NULL, CVAR_ARCHIVE};
cvar_t r_stainfadetime = {"r_stainfadetime", "1"};
cvar_t r_stainfadeammount = {"r_stainfadeammount", "1"};

cvar_t		_windowed_mouse = {"_windowed_mouse","1"};
static cvar_t		vid_mode = {"vid_mode","0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
cvar_t		_vid_default_mode = {"_vid_default_mode","0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
// Note that 3 is MODE_FULLSCREEN_DEFAULT
cvar_t		_vid_default_mode_win = {"_vid_default_mode_win","3", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
cvar_t		vid_wait = {"vid_wait","0"};
cvar_t		vid_nopageflip = {"vid_nopageflip","0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
cvar_t		_vid_wait_override = {"_vid_wait_override", "0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};

static cvar_t		vid_stretch = {"vid_stretch","1", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
//cvar_t		_windowed_mouse = {"_windowed_mouse","1", CVAR_ARCHIVE};
static cvar_t	gl_driver = {"gl_driver","OPENGL32", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};	//opengl library
cvar_t	vid_renderer = {"vid_renderer", "", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};

static cvar_t	vid_bpp = {"vid_bpp", "32", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
static cvar_t	vid_allow_modex = {"vid_allow_modex", "1", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
static cvar_t	vid_fullscreen = {"vid_fullscreen", "1", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
static cvar_t	vid_width = {"vid_width", "320", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
static cvar_t	vid_height = {"vid_height", "200", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
static cvar_t	vid_refreshrate = {"vid_displayfrequency", "0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};

cvar_t	gl_font = {"gl_font", ""};
cvar_t	gl_conback = {"gl_conback", ""};
cvar_t	gl_smoothfont = {"gl_smoothfont", "1"};
cvar_t	gl_part_flame = {"gl_part_flame", "1"};
cvar_t	gl_part_torch = {"gl_part_torch", "1"};
cvar_t	r_part_rain = {"r_part_rain", "0"};
cvar_t	r_particles_in_explosion = {"r_particles_in_explosion", "256"};
cvar_t	r_particle_explosion_speed = {"r_particle_explosion_speed", "1"};

cvar_t	r_bouncysparks = {"r_bouncysparks", "0"};

cvar_t	r_fullbrightSkins = {"r_fullbrightSkins", "1",	NULL,	CVAR_SEMICHEAT};
cvar_t	r_fb_models	= {"gl_fb_models", "1", NULL, CVAR_SEMICHEAT|CVAR_RENDERERLATCH};	//as it can highlight the gun a little... ooo nooo....
cvar_t	r_fb_bmodels	= {"gl_fb_bmodels", "1", NULL, CVAR_SEMICHEAT|CVAR_RENDERERLATCH};	//as it can highlight the gun a little... ooo nooo....


cvar_t	gl_nocolors = {"gl_nocolors","0"};
cvar_t		gl_load24bit = {"gl_load24bit", "1"};
cvar_t		gl_2dscale = {"gl_2dscale", "1"};
cvar_t		gl_nobind = {"gl_nobind", "0"};
cvar_t		gl_max_size = {"gl_max_size", "1024"};
cvar_t		gl_picmip = {"gl_picmip", "0"};
cvar_t		r_drawdisk = {"r_drawdisk", "1"};
cvar_t		gl_compress = {"gl_compress", "0"};
cvar_t		gl_savecompressedtex = {"gl_savecompressedtex", "0"};
extern cvar_t gl_dither;


cvar_t		gl_waterripples = {"gl_waterripples", "0"};
cvar_t		gl_detail = {"gl_detail", "0", NULL, CVAR_ARCHIVE};
cvar_t		r_shadows = {"r_shadows", "0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
cvar_t		r_noaliasshadows = {"r_noaliasshadows", "0", NULL, CVAR_ARCHIVE};
cvar_t		gl_maxshadowlights = {"gl_maxshadowlights", "2", NULL, CVAR_ARCHIVE};
cvar_t		gl_bump = {"gl_bump", "0", NULL, CVAR_ARCHIVE|CVAR_RENDERERLATCH};
cvar_t		gl_lightmapmode = {"gl_lightmapmode", "", NULL, CVAR_ARCHIVE};

cvar_t		gl_ati_truform = {"gl_ati_truform", "0"};
cvar_t		gl_ati_truform_type = {"gl_ati_truform_type", "1"};
cvar_t		gl_ati_truform_tesselation = {"gl_ati_truform_tesselation", "3"};

cvar_t			scr_sshot_type = {"scr_sshot_type", "jpg"};


cvar_t			con_height = {"con_height", "50"};
cvar_t          scr_viewsize = {"viewsize","100", NULL, CVAR_ARCHIVE};
cvar_t          scr_fov = {"fov","90", NULL, CVAR_ARCHIVE}; // 10 - 170
cvar_t          scr_conspeed = {"scr_conspeed","300"};
cvar_t          scr_centertime = {"scr_centertime","2"};
cvar_t          scr_showram = {"showram","1"};
cvar_t          scr_showturtle = {"showturtle","0"};
cvar_t          scr_showpause = {"showpause","1"};
cvar_t          scr_printspeed = {"scr_printspeed","8"};
cvar_t			scr_allowsnap = {"scr_allowsnap", "1", NULL, CVAR_NOTFROMSERVER};	//otherwise it would defeat the point.

cvar_t			scr_chatmodecvar = {"scr_chatmode", "0"};

cvar_t r_bloodstains = {"r_bloodstains", "1"};

extern	cvar_t	r_norefresh;
extern	cvar_t	r_drawentities;
extern	cvar_t	r_drawworld;
extern	cvar_t	r_drawviewmodel;
extern	cvar_t	r_speeds;
extern	cvar_t	r_waterwarp;
extern	cvar_t	r_fullbright;
extern	cvar_t	r_lightmap;
extern	cvar_t	r_shadows;
extern	cvar_t	r_mirroralpha;
extern	cvar_t	r_wateralpha;
cvar_t	r_dynamic = {"r_dynamic","1"};
cvar_t	r_flashblend = {"gl_flashblend","0"};
extern	cvar_t	r_novis;
extern	cvar_t	r_netgraph;

cvar_t r_transtables = {"r_transtables","2"};
cvar_t r_transtablefull = {"r_transtablefull", "1"};
cvar_t r_transtablewrite = {"r_transtablewrite", "1"};
cvar_t r_palconvbits = {"r_palconvbits", "565"};
cvar_t r_palconvwrite = {"r_palconvwrite", "1"};

extern cvar_t bul_text1;
extern cvar_t bul_text2;
extern cvar_t bul_text3;
extern cvar_t bul_text4;
extern cvar_t bul_text5;
extern cvar_t bul_text6;

extern cvar_t bul_scrollspeedx;
extern cvar_t bul_scrollspeedy;
extern cvar_t bul_backcol;
extern cvar_t bul_textpalette;
extern cvar_t bul_norender;
extern cvar_t bul_sparkle;
extern cvar_t bul_forcemode;
extern cvar_t bul_ripplespeed;
extern cvar_t bul_rippleamount;
extern cvar_t bul_nowater;
void R_BulletenForce_f (void);

rendererstate_t currentrendererstate;

#if defined(RGLQUAKE)
cvar_t	gl_ztrick = {"gl_ztrick","1"};
extern cvar_t gl_skyboxname;
extern cvar_t r_waterlayers;
cvar_t			gl_triplebuffer = {"gl_triplebuffer", "1", NULL, CVAR_ARCHIVE };
cvar_t			gl_subdivide_size = {"gl_subdivide_size", "128", NULL, CVAR_ARCHIVE};
cvar_t			gl_subdivide_water = {"gl_subdivide_water", "0", NULL, CVAR_ARCHIVE};
void GLRenderer_Init(void)
{
	extern cvar_t gl_contrast;
	//screen
	Cvar_Register (&gl_triplebuffer, GLRENDEREROPTIONS);

	//model
	Cvar_Register (&gl_subdivide_size, GLRENDEREROPTIONS);
	Cvar_Register (&gl_subdivide_water, GLRENDEREROPTIONS);

//renderer
	Cvar_Register (&r_novis, GLRENDEREROPTIONS);
	Cvar_Register (&r_wateralpha, GLRENDEREROPTIONS);
	Cvar_Register (&r_mirroralpha, GLRENDEREROPTIONS);
	Cvar_Register (&r_lightmap, GLRENDEREROPTIONS);
	Cvar_Register (&r_norefresh, GLRENDEREROPTIONS);

	Cvar_Register (&gl_clear, GLRENDEREROPTIONS);
 
	Cvar_Register (&gl_cull, GLRENDEREROPTIONS);
	Cvar_Register (&gl_smoothmodels, GRAPHICALNICETIES);
	Cvar_Register (&gl_affinemodels, GLRENDEREROPTIONS);
	Cvar_Register (&gl_polyblend, GLRENDEREROPTIONS);
	Cvar_Register (&r_flashblend, GLRENDEREROPTIONS);
	Cvar_Register (&gl_playermip, GLRENDEREROPTIONS);
	Cvar_Register (&gl_nocolors, GLRENDEREROPTIONS);
	Cvar_Register (&gl_finish, GLRENDEREROPTIONS);

	Cvar_Register (&r_shadows, GLRENDEREROPTIONS);
	Cvar_Register (&r_noaliasshadows, GLRENDEREROPTIONS);
	Cvar_Register (&gl_maxshadowlights, GLRENDEREROPTIONS);

	Cvar_Register (&gl_part_flame, GRAPHICALNICETIES);
	Cvar_Register (&gl_part_torch, GRAPHICALNICETIES);

	Cvar_Register (&gl_keeptjunctions, GLRENDEREROPTIONS);
	Cvar_Register (&gl_reporttjunctions, GLRENDEREROPTIONS);

	Cvar_Register (&gl_ztrick, GLRENDEREROPTIONS);

	Cvar_Register (&gl_max_size, GLRENDEREROPTIONS);
	Cvar_Register (&gl_2dscale, GLRENDEREROPTIONS);

	Cvar_Register (&gl_font, GRAPHICALNICETIES);
	Cvar_Register (&gl_conback, GRAPHICALNICETIES);
	Cvar_Register (&gl_smoothfont, GRAPHICALNICETIES);

	Cvar_Register (&gl_bump, GRAPHICALNICETIES);
	Cvar_Register (&gl_skyboxname, GRAPHICALNICETIES);
	Cvar_Register (&gl_contrast, GLRENDEREROPTIONS);
#ifdef R_XFLIP
	Cvar_Register (&r_xflip, GLRENDEREROPTIONS);
#endif
	Cvar_Register (&gl_load24bit, GRAPHICALNICETIES);

	Cvar_Register (&gl_lightmapmode, GLRENDEREROPTIONS);

#ifdef WATERLAYERS
	Cvar_Register (&r_waterlayers, GRAPHICALNICETIES);
#endif
	Cvar_Register (&gl_waterripples, GRAPHICALNICETIES);

	Cvar_Register (&gl_nobind, GLRENDEREROPTIONS);
	Cvar_Register (&gl_max_size, GLRENDEREROPTIONS);
	Cvar_Register (&gl_picmip, GLRENDEREROPTIONS);
	Cvar_Register (&r_drawdisk, GLRENDEREROPTIONS);

	Cvar_Register (&gl_savecompressedtex, GLRENDEREROPTIONS);
	Cvar_Register (&gl_compress, GLRENDEREROPTIONS);
	Cvar_Register (&gl_driver, GLRENDEREROPTIONS);
	Cvar_Register (&gl_detail, GRAPHICALNICETIES);
	Cvar_Register (&gl_dither, GRAPHICALNICETIES);
	Cvar_Register (&r_fb_models, GRAPHICALNICETIES);
	Cvar_Register (&r_fb_bmodels, GRAPHICALNICETIES);

	Cvar_Register (&gl_ati_truform, GRAPHICALNICETIES);
	Cvar_Register (&gl_ati_truform_type, GRAPHICALNICETIES);
	Cvar_Register (&gl_ati_truform_tesselation, GRAPHICALNICETIES);
}
#endif
#if defined(SWQUAKE)
extern cvar_t d_subdiv16;
extern cvar_t d_mipcap;
extern cvar_t d_mipscale;
extern cvar_t d_smooth;
void SWRenderer_Init(void)
{
	Cvar_Register (&d_subdiv16, SWRENDEREROPTIONS);
	Cvar_Register (&d_mipcap, SWRENDEREROPTIONS);
	Cvar_Register (&d_mipscale, SWRENDEREROPTIONS);
	Cvar_Register (&d_smooth, SWRENDEREROPTIONS);

	Cvar_Register (&r_maxsurfs, SWRENDEREROPTIONS);
	Cvar_Register (&r_numsurfs, SWRENDEREROPTIONS);
	Cvar_Register (&r_maxedges, SWRENDEREROPTIONS);
	Cvar_Register (&r_numedges, SWRENDEREROPTIONS);
	Cvar_Register (&r_sirds, SWRENDEREROPTIONS);

	Cvar_Register (&r_aliastransbase, SWRENDEREROPTIONS);
	Cvar_Register (&r_aliastransadj, SWRENDEREROPTIONS);
	Cvar_Register (&r_reportedgeout, SWRENDEREROPTIONS);
	Cvar_Register (&r_aliasstats, SWRENDEREROPTIONS);
	Cvar_Register (&r_clearcolor, SWRENDEREROPTIONS);

	Cvar_Register (&r_timegraph, SWRENDEREROPTIONS);
	Cvar_Register (&r_draworder, SWRENDEREROPTIONS);
	Cvar_Register (&r_zgraph, SWRENDEREROPTIONS);
	Cvar_Register (&r_graphheight, SWRENDEREROPTIONS);
	Cvar_Register (&r_aliasstats, SWRENDEREROPTIONS);
	Cvar_Register (&r_dspeeds, SWRENDEREROPTIONS);
	Cvar_Register (&r_drawflat, SWRENDEREROPTIONS);
	Cvar_Register (&r_ambient, SWRENDEREROPTIONS);
	Cvar_Register (&r_ambient, SWRENDEREROPTIONS);
	Cvar_Register (&r_reportsurfout, SWRENDEREROPTIONS);

	Cvar_Register (&r_transtables, SWRENDEREROPTIONS);
	Cvar_Register (&r_transtablewrite, SWRENDEREROPTIONS);
	Cvar_Register (&r_transtablefull, SWRENDEREROPTIONS);
	Cvar_Register (&r_palconvbits, SWRENDEREROPTIONS);
	Cvar_Register (&r_palconvwrite, SWRENDEREROPTIONS);
}
#endif


void	R_InitTextures (void)
{
	int		x,y, m;
	qbyte	*dest;
	
// create a simple checkerboard texture for the default
	r_notexture_mip = Hunk_AllocName (sizeof(texture_t) + 16*16+8*8+4*4+2*2, "notexture");
	
	r_notexture_mip->pixbytes = 1;
	r_notexture_mip->width = r_notexture_mip->height = 16;
	r_notexture_mip->offsets[0] = sizeof(texture_t);
	r_notexture_mip->offsets[1] = r_notexture_mip->offsets[0] + 16*16;
	r_notexture_mip->offsets[2] = r_notexture_mip->offsets[1] + 8*8;
	r_notexture_mip->offsets[3] = r_notexture_mip->offsets[2] + 4*4;
	
	for (m=0 ; m<4 ; m++)
	{
		dest = (qbyte *)r_notexture_mip + r_notexture_mip->offsets[m];
		for (y=0 ; y< (16>>m) ; y++)
			for (x=0 ; x< (16>>m) ; x++)
			{
				if (  (y< (8>>m) ) ^ (x< (8>>m) ) )
					*dest++ = 0;
				else
					*dest++ = 0xff;
			}
	}	
}



void R_SetRenderer_f (void);
void R_RestartRenderer_f (void);

void Renderer_Init(void)
{
	char newheight[32];
	currentrendererstate.bpp = -1;	//no previous.

	//listen to the commandline
	if (COM_CheckParm("-width"))
	{
		vid_mode.string = "-1";
		vid_width.string = com_argv[COM_CheckParm("-width")+1];
		vid_height.string = newheight;
		sprintf(newheight, "%i", (int)(Q_atoi(vid_width.string) * 240.0f/320));	//match it.
	}
	if (COM_CheckParm("-height"))
		vid_height.string = com_argv[COM_CheckParm("-height")+1];

	if (COM_CheckParm("-window"))
		vid_fullscreen.string = "0";




	Cmd_AddCommand("setrenderer", R_SetRenderer_f);
	Cmd_AddCommand("vid_restart", R_RestartRenderer_f);

#if defined(RGLQUAKE)
	GLRenderer_Init();
#endif
#if defined(SWQUAKE)
	SWRenderer_Init();
#endif


	//but register ALL vid_ commands.
	Cvar_Register (&vid_mode, VIDCOMMANDGROUP);
	Cvar_Register (&vid_wait, VIDCOMMANDGROUP);
	Cvar_Register (&vid_nopageflip, VIDCOMMANDGROUP);
	Cvar_Register (&_vid_wait_override, VIDCOMMANDGROUP);
	Cvar_Register (&_vid_default_mode, VIDCOMMANDGROUP);
	Cvar_Register (&_vid_default_mode_win, VIDCOMMANDGROUP);
	Cvar_Register (&vid_stretch, VIDCOMMANDGROUP);
	Cvar_Register (&_windowed_mouse, VIDCOMMANDGROUP);
	Cvar_Register (&vid_renderer, VIDCOMMANDGROUP);

	Cvar_Register (&_windowed_mouse, VIDCOMMANDGROUP);
	Cvar_Register (&vid_mode, VIDCOMMANDGROUP);
	Cvar_Register (&vid_fullscreen, VIDCOMMANDGROUP);
//	Cvar_Register (&vid_stretch, VIDCOMMANDGROUP);
	Cvar_Register (&vid_bpp, VIDCOMMANDGROUP);

	Cvar_Register (&vid_allow_modex, VIDCOMMANDGROUP);

	Cvar_Register (&vid_width, VIDCOMMANDGROUP);
	Cvar_Register (&vid_height, VIDCOMMANDGROUP);
	Cvar_Register (&vid_refreshrate, VIDCOMMANDGROUP);


	Cvar_Register(&r_dodgytgafiles, "Bug fixes");
	Cvar_Register(&r_loadlits, GRAPHICALNICETIES);

	Cvar_Register(&r_stains, GRAPHICALNICETIES);
	Cvar_Register(&r_stainfadetime, GRAPHICALNICETIES);
	Cvar_Register(&r_stainfadeammount, GRAPHICALNICETIES);

	Cvar_Register(&scr_viewsize, SCREENOPTIONS);
	Cvar_Register(&scr_fov, SCREENOPTIONS);
	Cvar_Register(&scr_conspeed, SCREENOPTIONS);
	Cvar_Register(&scr_centertime, SCREENOPTIONS);
	Cvar_Register(&scr_showram, SCREENOPTIONS);
	Cvar_Register(&scr_showturtle, SCREENOPTIONS);
	Cvar_Register(&scr_showpause, SCREENOPTIONS);
	Cvar_Register(&scr_printspeed, SCREENOPTIONS);
	Cvar_Register(&scr_allowsnap, SCREENOPTIONS);
	Cvar_Register(&scr_chatmodecvar, SCREENOPTIONS);

	Cvar_Register (&scr_sshot_type, SCREENOPTIONS);


//screen
	Cvar_Register (&scr_fov, SCREENOPTIONS);
	Cvar_Register (&scr_viewsize, SCREENOPTIONS);
	Cvar_Register (&scr_conspeed, SCREENOPTIONS);
	Cvar_Register (&scr_showram, SCREENOPTIONS);
	Cvar_Register (&scr_showturtle, SCREENOPTIONS);
	Cvar_Register (&scr_showpause, SCREENOPTIONS);
	Cvar_Register (&scr_centertime, SCREENOPTIONS);
	Cvar_Register (&scr_printspeed, SCREENOPTIONS);
	Cvar_Register (&scr_allowsnap, SCREENOPTIONS);
	Cvar_Register (&con_height, SCREENOPTIONS);

	Cvar_Register(&r_bloodstains, GRAPHICALNICETIES);

	Cvar_Register(&r_fullbrightSkins, GRAPHICALNICETIES);


//renderer
	Cvar_Register (&r_fullbright, SCREENOPTIONS);
	Cvar_Register (&r_drawentities, GRAPHICALNICETIES);
	Cvar_Register (&r_drawviewmodel, GRAPHICALNICETIES);
	Cvar_Register (&r_waterwarp, GRAPHICALNICETIES);
	Cvar_Register (&r_speeds, SCREENOPTIONS);
	Cvar_Register (&r_netgraph, SCREENOPTIONS);

	Cvar_Register (&r_dynamic, GRAPHICALNICETIES);

	Cvar_Register (&r_nolerp, GRAPHICALNICETIES);
	Cvar_Register (&r_nolightdir, GRAPHICALNICETIES);

//bulletens
	Cvar_Register(&bul_nowater, BULLETENVARS);
	Cvar_Register(&bul_rippleamount, BULLETENVARS);
	Cvar_Register(&bul_ripplespeed, BULLETENVARS);
	Cvar_Register(&bul_forcemode, BULLETENVARS);
	Cvar_Register(&bul_sparkle, BULLETENVARS);
	Cvar_Register(&bul_textpalette, BULLETENVARS);
	Cvar_Register(&bul_scrollspeedy, BULLETENVARS);
	Cvar_Register(&bul_scrollspeedx, BULLETENVARS);
	Cvar_Register(&bul_backcol, BULLETENVARS);

	Cvar_Register(&bul_text6,	BULLETENVARS);	//reverse order, to get forwards ordered console vars.
	Cvar_Register(&bul_text5,	BULLETENVARS);
	Cvar_Register(&bul_text4,	BULLETENVARS);
	Cvar_Register(&bul_text3,	BULLETENVARS);
	Cvar_Register(&bul_text2,	BULLETENVARS);
	Cvar_Register(&bul_text1,	BULLETENVARS);

	Cvar_Register(&bul_norender,	BULLETENVARS);	//find this one first...

	Cmd_AddCommand("bul_make",	R_BulletenForce_f);	

	R_InitParticles();
	R_InitTextures();
	RQ_Init();
}


qpic_t	*(*Draw_PicFromWad)			(char *name);
qpic_t	*(*Draw_SafePicFromWad)			(char *name);
qpic_t	*(*Draw_CachePic)			(char *path);
qpic_t	*(*Draw_SafeCachePic)		(char *path);
void	(*Draw_Init)				(void);
void	(*Draw_ReInit)				(void);
void	(*Draw_Character)			(int x, int y, unsigned int num);
void	(*Draw_ColouredCharacter)	(int x, int y, unsigned int num);
void	(*Draw_String)				(int x, int y, const qbyte *str);
void	(*Draw_Alt_String)			(int x, int y, const qbyte *str);
void	(*Draw_Crosshair)			(void);
void	(*Draw_DebugChar)			(qbyte num);
void	(*Draw_Pic)					(int x, int y, qpic_t *pic);
void	(*Draw_ScalePic)			(int x, int y, int width, int height, qpic_t *pic);
void	(*Draw_SubPic)				(int x, int y, qpic_t *pic, int srcx, int srcy, int width, int height);
void	(*Draw_TransPic)			(int x, int y, qpic_t *pic);
void	(*Draw_TransPicTranslate)	(int x, int y, qpic_t *pic, qbyte *translation);
void	(*Draw_ConsoleBackground)	(int lines);
void	(*Draw_EditorBackground)	(int lines);
void	(*Draw_TileClear)			(int x, int y, int w, int h);
void	(*Draw_Fill)				(int x, int y, int w, int h, int c);
void	(*Draw_FadeScreen)			(void);
void	(*Draw_BeginDisc)			(void);
void	(*Draw_EndDisc)				(void);

void	(*R_Init)					(void);
void	(*R_DeInit)					(void);
void	(*R_ReInit)					(void);
void	(*R_RenderView)				(void);		// must set r_refdef first

void	(*R_InitSky)				(struct texture_s *mt);	// called at level load
qboolean	(*R_CheckSky)			(void);
void	(*R_SetSky)					(char *name, float rotate, vec3_t axis);

void	(*R_NewMap)					(void);
void	(*R_PreNewMap)				(void);
int		(*R_LightPoint)				(vec3_t point);

void	(*R_PushDlights)			(void);
void	(*R_AddStain)				(vec3_t org, float red, float green, float blue, float radius);
void	(*R_LessenStains)			(void);

void	(*Mod_Init)					(void);
void	(*Mod_ClearAll)				(void);
struct model_s *(*Mod_ForName)		(char *name, qboolean crash);
struct model_s *(*Mod_FindName)		(char *name);
void	*(*Mod_Extradata)			(struct model_s *mod);	// handles caching
void	(*Mod_TouchModel)			(char *name);

struct mleaf_s *(*Mod_PointInLeaf)	(float *p, struct model_s *model);
qbyte	*(*Mod_Q1LeafPVS)			(struct mleaf_s *leaf, struct model_s *model, qbyte *buffer);
void	(*Mod_NowLoadExternal)		(void);
void	(*Mod_Think)				(void);


qboolean (*VID_Init)				(rendererstate_t *info, unsigned char *palette);
void	 (*VID_DeInit)				(void);
void	(*VID_HandlePause)			(qboolean pause);
void	(*VID_LockBuffer)			(void);
void	(*VID_UnlockBuffer)			(void);
void	(*D_BeginDirectRect)		(int x, int y, qbyte *pbitmap, int width, int height);
void	(*D_EndDirectRect)			(int x, int y, int width, int height);
void	(*VID_ForceLockState)		(int lk);
int		(*VID_ForceUnlockedAndReturnState) (void);
void	(*VID_SetPalette)			(unsigned char *palette);
void	(*VID_ShiftPalette)			(unsigned char *palette);
char	*(*VID_GetRGBInfo)			(int prepad, int *truevidwidth, int *truevidheight);
void	(*VID_SetWindowCaption)		(char *msg);

void	(*SCR_UpdateScreen)			(void);

r_qrenderer_t qrenderer=QR_NONE;
char *q_renderername = "Non-Selected renderer";









typedef struct vidmode_s
{
	const char *description;
	int         width, height;
	int         mode;
} vidmode_t;

vidmode_t vid_modes[] =
{
	{ "Mode 0: 320x240",   320, 240,   0 },
	{ "Mode 1: 400x300",   400, 300,   1 },
	{ "Mode 2: 512x384",   512, 384,   2 },
	{ "Mode 3: 640x480",   640, 480,   3 },
	{ "Mode 4: 800x600",   800, 600,   4 },
	{ "Mode 5: 960x720",   960, 720,   5 },
	{ "Mode 5: 1024x768",  1024, 768,  6 },
	{ "Mode 6: 1152x864",  1152, 864,  7 },
	{ "Mode 7: 1280x960",  1280, 960, 8 },
	{ "Mode 9: 1600x1200", 1600, 1200, 9 },	//height is bound to 200 to 1024
	{ "Mode 10: 2048x1536", 2048, 1536, 10 }	//too much width will disable water warping (>1280) (but at thet rez, it's almost unnoticable)
};
#define NUMVIDMODES sizeof(vid_modes)/sizeof(vid_modes[0])


typedef struct {
	menucombo_t *renderer;
	menucombo_t *combo;
	menuedit_t *customwidth;
	menuedit_t *customheight;
} videomenuinfo_t;

menuedit_t *MC_AddEdit(menu_t *menu, int x, int y, char *text, char *def);
qboolean M_VideoApply (union menuoption_s *op,struct menu_s *menu,int key)
{
	videomenuinfo_t *info = menu->data;
	if (key != K_ENTER)
		return false;

	Cbuf_AddText(va("vid_width %s\n", info->customwidth->text), RESTRICT_LOCAL);
	Cbuf_AddText(va("vid_height %s\n", info->customheight->text), RESTRICT_LOCAL);
	Cbuf_AddText(va("vid_mode %i\n", info->combo->selectedoption-1), RESTRICT_LOCAL);

	switch(info->renderer->selectedoption)
	{
#ifdef SWQUAKE
	case 0:
		Cbuf_AddText("setrenderer sw 8\n", RESTRICT_LOCAL);
		break;
	case 1:
		Cbuf_AddText("setrenderer sw 32\n", RESTRICT_LOCAL);
		break;
	case 2:
#else
	case 0:
#endif
		Cbuf_AddText("setrenderer gl\n", RESTRICT_LOCAL);
		break;
#ifdef SWQUAKE
	case 3:
#else
	case 1:
#endif
		Cbuf_AddText("setrenderer d3d\n", RESTRICT_LOCAL);
		break;
	}
	M_RemoveMenu(menu);
	Cbuf_AddText("menu_video\n", RESTRICT_LOCAL);
	return true;
}
void M_Menu_Video_f (void)
{
	extern cvar_t r_stains, v_contrast;
	extern cvar_t r_bouncysparks, d_smooth;
	static const char *modenames[128] = {"Custom"};
	static const char *rendererops[] = {
#ifdef SWQUAKE
		"8bit Software",
		"32bit Software",
#endif
#ifdef RGLQUAKE
		"OpenGL",
#ifdef AVAIL_DX7
		"Direct3D",
#endif
#endif
		NULL
	};
	videomenuinfo_t *info;
	menu_t *menu;

	int i, y;
	for (i = 0; i < sizeof(vid_modes)/sizeof(vidmode_t); i++)
	{
		modenames[i+1] = vid_modes[i].description;
	}
	modenames[i+1] = NULL;

	key_dest = key_menu;
	m_state = m_complex;
	m_entersound = true;

	menu = M_CreateMenu(sizeof(videomenuinfo_t));
	info = menu->data;	

#ifdef SWQUAKE
	if (qrenderer == QR_SOFTWARE && vid_bpp.value >= 32)
		i = 1;
	else
#endif
#if defined(SWQUAKE) && defined(RGLQUAKE)
	if (qrenderer == QR_OPENGL)
	{
#ifdef AVAIL_DX7
		if (!strcmp(vid_renderer.string, "d3d"))
			i = 3;
		else
#endif
			i = 2;
	}
	else
#endif
#if defined(RGLQUAKE) && defined(AVAIL_DX7)
		 if (!strcmp(vid_renderer.string, "d3d"))
		i = 1;
	else
#endif
		i = 0;

	MC_AddCenterPicture(menu, 4, "vidmodes");

	y = 32;
	info->renderer = MC_AddCombo(menu,	16, y,				"   Renderer     ", rendererops, i);	y+=8;
	info->combo = MC_AddCombo(menu,	16, y,					"   Video Size   ", modenames, vid_mode.value+1);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"   Fullscreen   ", &vid_fullscreen);	y+=8;
	y+=4;info->customwidth = MC_AddEdit(menu, 16, y,		"   Custom width ", vid_width.string);	y+=8;
	y+=4;info->customheight = MC_AddEdit(menu, 16, y,		"   Custom height", vid_height.string);	y+=12;
	y+=8;
	MC_AddCommand(menu,	16, y,								"           Apply", M_VideoApply);	y+=8;
	y+=8;
	MC_AddCheckBox(menu,	16, y,							"      Stain maps", &r_stains);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"   Bouncy sparks", &r_bouncysparks);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"            Rain", &r_part_rain);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"    SW Smoothing", &d_smooth);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"  GL Bumpmapping", &gl_bump);	y+=8;
	MC_AddCheckBox(menu,	16, y,							"  Dynamic lights", &r_dynamic);	y+=8;
	MC_AddSlider(menu,	16, y,								"     Screen size", &scr_viewsize,	30,		120);y+=8;
	MC_AddSlider(menu,	16, y,								"           Gamma", &v_gamma, 0.3, 1);	y+=8;
	MC_AddSlider(menu,	16, y,								"        Contrast", &v_contrast, 1, 3);	y+=8;

	menu->cursoritem = (menuoption_t*)MC_AddWhiteText(menu, 152, 32, NULL, false);
	menu->selecteditem = (union menuoption_s *)info->renderer;
}


void R_SetRenderer(r_qrenderer_t wanted)
{
	switch(wanted)
	{
	case QR_NONE:	//special case.
		q_renderername = "Terminal";

		Draw_PicFromWad			= NULL;
		Draw_SafePicFromWad		= NULL;	//Not supported
		Draw_CachePic			= NULL;
		Draw_SafeCachePic		= NULL;
		Draw_Init				= NULL;
		Draw_ReInit				= NULL;
		Draw_Character			= NULL;
		Draw_ColouredCharacter	= NULL;
		Draw_String				= NULL;
		Draw_Alt_String			= NULL;
		Draw_Crosshair			= NULL;
		Draw_DebugChar			= NULL;
		Draw_Pic				= NULL;
		Draw_SubPic				= NULL;
		Draw_TransPic			= NULL;
		Draw_TransPicTranslate	= NULL;
		Draw_ConsoleBackground	= NULL;
		Draw_EditorBackground	= NULL;
		Draw_TileClear			= NULL;
		Draw_Fill				= NULL;
		Draw_FadeScreen			= NULL;
		Draw_BeginDisc			= NULL;
		Draw_EndDisc			= NULL;

		R_Init					= NULL;
		R_DeInit				= NULL;
		R_RenderView			= NULL;
		R_NewMap				= NULL;
		R_PreNewMap				= NULL;
		R_LightPoint			= NULL;
		R_PushDlights			= NULL;
		R_InitSky				= NULL;
		R_CheckSky				= NULL;
		R_SetSky				= NULL;

		R_AddStain				= NULL;
		R_LessenStains			= NULL;

		VID_Init				= NULL;
		VID_DeInit				= NULL;
		VID_HandlePause			= NULL;
		VID_LockBuffer			= NULL;
		VID_UnlockBuffer		= NULL;
		D_BeginDirectRect		= NULL;
		D_EndDirectRect			= NULL;
		VID_ForceLockState		= NULL;
		VID_ForceUnlockedAndReturnState	= NULL;
		VID_SetPalette			= NULL;
		VID_ShiftPalette		= NULL;
		VID_GetRGBInfo			= NULL;

#ifdef SWQUAKE	//Any one of them that works.
		Mod_Init				= SWMod_Init;
		Mod_Think				= SWMod_Think;
		Mod_ClearAll			= SWMod_ClearAll;
		Mod_ForName				= SWMod_ForName;
		Mod_FindName			= SWMod_FindName;
		Mod_Extradata			= SWMod_Extradata;
		Mod_TouchModel			= SWMod_TouchModel;

		Mod_PointInLeaf			= SWMod_PointInLeaf;
		Mod_Q1LeafPVS			= SWMod_LeafPVS;
		Mod_NowLoadExternal		= SWMod_NowLoadExternal;
#elif defined(RGLQUAKE)
		Mod_Init				= GLMod_Init;
		Mod_Think				= GLMod_Think;
		Mod_ClearAll			= GLMod_ClearAll;
		Mod_ForName				= GLMod_ForName;
		Mod_FindName			= GLMod_FindName;
		Mod_Extradata			= GLMod_Extradata;
		Mod_TouchModel			= GLMod_TouchModel;

		Mod_PointInLeaf			= GLMod_PointInLeaf;
		Mod_Q1LeafPVS			= GLMod_LeafPVS;
		Mod_NowLoadExternal		= GLMod_NowLoadExternal;
#else
		#error "No renderer in client build"
#endif

		
		SCR_UpdateScreen		= NULL;
		break;
#ifdef SWQUAKE
	case QR_SOFTWARE:
//		wanted = QR_SOFTWARE;
		q_renderername = "Software";

		Draw_PicFromWad			= SWDraw_PicFromWad;
		Draw_SafePicFromWad		= SWDraw_PicFromWad;	//Not supported
		Draw_CachePic			= SWDraw_CachePic;
		Draw_SafeCachePic		= SWDraw_SafeCachePic;
		Draw_Init				= SWDraw_Init;
		Draw_ReInit				= SWDraw_Init;
		Draw_Character			= SWDraw_Character;
		Draw_ColouredCharacter	= SWDraw_ColouredCharacter;
		Draw_String				= SWDraw_String;
		Draw_Alt_String			= SWDraw_Alt_String;
		Draw_Crosshair			= SWDraw_Crosshair;
		Draw_DebugChar			= SWDraw_DebugChar;
		Draw_Pic				= SWDraw_Pic;
		Draw_SubPic				= SWDraw_SubPic;
		Draw_TransPic			= SWDraw_TransPic;
		Draw_TransPicTranslate	= SWDraw_TransPicTranslate;
		Draw_ConsoleBackground	= SWDraw_ConsoleBackground;
		Draw_EditorBackground	= SWDraw_EditorBackground;
		Draw_TileClear			= SWDraw_TileClear;
		Draw_Fill				= SWDraw_Fill;
		Draw_FadeScreen			= SWDraw_FadeScreen;
		Draw_BeginDisc			= SWDraw_BeginDisc;
		Draw_EndDisc			= SWDraw_EndDisc;

		R_Init					= SWR_Init;
		R_DeInit				= SWR_DeInit;
		R_RenderView			= SWR_RenderView;
		R_NewMap				= SWR_NewMap;
		R_PreNewMap				= NULL;
		R_LightPoint			= SWR_LightPoint;
		R_PushDlights			= SWR_PushDlights;
		R_InitSky				= SWR_InitSky;
		R_CheckSky				= SWR_CheckSky;
		R_SetSky				= SWR_SetSky;

		R_AddStain				= SWR_AddStain;
		R_LessenStains			= SWR_LessenStains;

		VID_Init				= SWVID_Init;
		VID_DeInit				= SWVID_Shutdown;
		VID_HandlePause			= SWVID_HandlePause;
		VID_LockBuffer			= SWVID_LockBuffer;
		VID_UnlockBuffer		= SWVID_UnlockBuffer;
		D_BeginDirectRect		= SWD_BeginDirectRect;
		D_EndDirectRect			= SWD_EndDirectRect;
		VID_ForceLockState		= SWVID_ForceLockState;
		VID_ForceUnlockedAndReturnState	= SWVID_ForceUnlockedAndReturnState;
		VID_SetPalette			= SWVID_SetPalette;
		VID_ShiftPalette		= SWVID_ShiftPalette;
		VID_GetRGBInfo			= SWVID_GetRGBInfo;

		Mod_Init				= SWMod_Init;
		Mod_Think				= SWMod_Think;
		Mod_ClearAll			= SWMod_ClearAll;
		Mod_ForName				= SWMod_ForName;
		Mod_FindName			= SWMod_FindName;
		Mod_Extradata			= SWMod_Extradata;
		Mod_TouchModel			= SWMod_TouchModel;

		Mod_PointInLeaf			= SWMod_PointInLeaf;
		Mod_Q1LeafPVS			= SWMod_LeafPVS;
		Mod_NowLoadExternal		= SWMod_NowLoadExternal;


		
		SCR_UpdateScreen		= SWSCR_UpdateScreen;
		break;
#endif
#ifdef RGLQUAKE
	case QR_OPENGL:
//		wanted = QR_OPENGL;
		q_renderername = "OpenGL";

		Draw_PicFromWad			= GLDraw_PicFromWad;
		Draw_SafePicFromWad		= GLDraw_SafePicFromWad;
		Draw_CachePic			= GLDraw_CachePic;
		Draw_SafeCachePic		= GLDraw_SafeCachePic;
		Draw_Init				= GLDraw_Init;
		Draw_ReInit				= GLDraw_ReInit;
		Draw_Character			= GLDraw_Character;
		Draw_ColouredCharacter	= GLDraw_ColouredCharacter;
		Draw_String				= GLDraw_String;
		Draw_Alt_String			= GLDraw_Alt_String;
		Draw_Crosshair			= GLDraw_Crosshair;
		Draw_DebugChar			= GLDraw_DebugChar;
		Draw_Pic				= GLDraw_Pic;
		Draw_SubPic				= GLDraw_SubPic;
		Draw_TransPic			= GLDraw_TransPic;
		Draw_TransPicTranslate	= GLDraw_TransPicTranslate;
		Draw_ConsoleBackground	= GLDraw_ConsoleBackground;
		Draw_EditorBackground	= GLDraw_EditorBackground;
		Draw_TileClear			= GLDraw_TileClear;
		Draw_Fill				= GLDraw_Fill;
		Draw_FadeScreen			= GLDraw_FadeScreen;
		Draw_BeginDisc			= GLDraw_BeginDisc;
		Draw_EndDisc			= GLDraw_EndDisc;

		R_Init					= GLR_Init;
		R_DeInit				= GLR_DeInit;
		R_RenderView			= GLR_RenderView;
		R_NewMap				= GLR_NewMap;
		R_PreNewMap				= GLR_PreNewMap;
		R_LightPoint			= GLR_LightPoint;
		R_PushDlights			= GLR_PushDlights;
		R_InitSky				= GLR_InitSky;
		R_CheckSky				= GLR_CheckSky;
		R_SetSky				= GLR_SetSky;

		R_AddStain				= GLR_AddStain;
		R_LessenStains			= GLR_LessenStains;

		VID_Init				= GLVID_Init;
		VID_DeInit				= GLVID_DeInit;
		VID_HandlePause			= GLVID_HandlePause;
		VID_LockBuffer			= GLVID_LockBuffer;
		VID_UnlockBuffer		= GLVID_UnlockBuffer;
		D_BeginDirectRect		= GLD_BeginDirectRect;
		D_EndDirectRect			= GLD_EndDirectRect;
		VID_ForceLockState		= GLVID_ForceLockState;
		VID_ForceUnlockedAndReturnState	= GLVID_ForceUnlockedAndReturnState;
		VID_SetPalette			= GLVID_SetPalette;
		VID_ShiftPalette		= GLVID_ShiftPalette;
		VID_GetRGBInfo			= GLVID_GetRGBInfo;

		Mod_Init				= GLMod_Init;
		Mod_Think				= GLMod_Think;
		Mod_ClearAll			= GLMod_ClearAll;
		Mod_ForName				= GLMod_ForName;
		Mod_FindName			= GLMod_FindName;
		Mod_Extradata			= GLMod_Extradata;
		Mod_TouchModel			= GLMod_TouchModel;

		Mod_PointInLeaf			= GLMod_PointInLeaf;
		Mod_Q1LeafPVS			= GLMod_LeafPVS;
		Mod_NowLoadExternal		= GLMod_NowLoadExternal;


		
		SCR_UpdateScreen		= GLSCR_UpdateScreen;
		break;
#endif
	default:
		Sys_Error("Bad render chosen\n");
	}

	qrenderer = wanted;
}


extern float v_oldgammavalue;
qboolean R_ApplyRenderer (rendererstate_t *newr)
{
	int i, j;
	extern model_t *loadmodel;

	if (newr->bpp == -1)
		return false;

	if (R_DeInit)
		R_DeInit();

	SCR_DeInit();

	if (VID_DeInit)
		VID_DeInit();

	IN_Shutdown();

	COM_FlushTempoaryPacks();

	if (qrenderer == QR_NONE || qrenderer==-1)
	{
		if (newr->renderer == QR_NONE && qrenderer != -1)
			return true;	//no point

		Sys_CloseTerminal ();
	}

	R_SetRenderer(newr->renderer);

	Cache_Flush();

	Hunk_FreeToLowMark(host_hunklevel);	//is this a good idea?

	gl_skyboxname.modified = true;

	if (qrenderer)	//graphics stuff only when not dedicated
	{
		qbyte *data;
		isDedicated = false;
		v_oldgammavalue = -1;	//force the gamma to be reset
		V_CheckGamma();

		Con_Printf("Setting mode %i*%i*%i*%i\n", newr->width, newr->height, newr->bpp, newr->rate);

		if (host_basepal)
			BZ_Free(host_basepal);
		host_basepal = (qbyte *)COM_LoadMallocFile ("gfx/palette.lmp");
		if (!host_basepal)
		{
			extern char	com_basedir[MAX_OSPATH];
			qbyte *pcx=NULL;
			host_basepal = BZ_Malloc(768);
			pcx = COM_LoadTempFile("pics/colormap.pcx");
			if (!pcx || !ReadPCXPalette(pcx, com_filesize, host_basepal))
				Sys_Error ("Couldn't load gfx/palette.lmp\nMake sure the working/base directory is correct and contains id1/pak0.pak or baseq2/pak0.pak\n\nbasedir:%s", com_basedir);
		}
		if (host_colormap)
			BZ_Free(host_colormap);
		host_colormap = (qbyte *)COM_LoadMallocFile ("gfx/colormap.lmp");
		if (!host_colormap)
		{
			float f;
			vid.fullbright = 0;
			data = host_colormap = BZ_Malloc(256*VID_GRADES+sizeof(int));
			//let's try making one. this is probably caused by running out of baseq2.
			for (j = 0; j < VID_GRADES; j++)
			{
				f = 1 - ((float)j/VID_GRADES);
				for (i = 0; i < 256-vid.fullbright; i++)
				{
					data[i] = GetPalette(host_basepal[i*3+0]*f, host_basepal[i*3+1]*f, host_basepal[i*3+2]*f);
				}
				for (; i < 256; i++)
					data[i] = i;
				data+=256;
			}
		}
		else
		{
			j = VID_GRADES-1;
			data = host_colormap + j*256;
			vid.fullbright=0;
			for (i = 255; i >= 0; i--)
			{
				if (host_colormap[i] == data[i])
					vid.fullbright++;
				else
					break;
			}
		}

		if (vid.fullbright < 2)
			vid.fullbright = 0;	//transparent colour doesn't count.



		if (!VID_Init(newr, host_basepal))
			return false;

		v_oldgammavalue = -1;	//force the gamma to be reset
		W_LoadWadFile("gfx.wad");
		Draw_Init();
		R_Init();
		SCR_Init();

		Sbar_Flush();

		IN_Init();
	}
	else
	{
		isDedicated = true;
		if (cls.state)
		{
			int os = sv.state;
			sv.state = ss_dead;	//prevents server from being killed off too.
			CL_Disconnect();
			sv.state = os;
		}
		Sys_InitTerminal();
		Con_PrintToSys();
	}

	Mod_Init();

	WipeBulletenTextures();

//	host_hunklevel = Hunk_LowMark();

	if (R_PreNewMap)
	if (cl.worldmodel)
		R_PreNewMap();

	if (sv.worldmodel)
	{
		edict_t *ent;
#ifdef Q2SERVER
		q2edict_t *q2ent;
#endif

		sv.worldmodel = Mod_ForName (sv.modelname, false);
		if (sv.worldmodel->needload)
		{
			SV_Error("Bsp went missing on render restart\n");
		}
		SV_CalcPHS ();

		for (i = 0; i < MAX_MODELS; i++)
		{
			if (*sv.model_precache[i] && (!strcmp(sv.model_precache[i] + strlen(sv.model_precache[i]) - 4, ".bsp") || i-1 < sv.worldmodel->numsubmodels))
				sv.models[i] = Mod_FindName(sv.model_precache[i]);
			else
				sv.models[i] = NULL;
		}

		SV_ClearWorld ();

		if (svprogfuncs)
		{
			ent = sv.edicts;
			ent->v.model = PR_SetString(svprogfuncs, sv.worldmodel->name);	//FIXME: is this a problem for normal ents?
			for (i=0 ; i<sv.num_edicts ; i++)
			{
				ent = EDICT_NUM(svprogfuncs, i);
				if (!ent)
					continue;
				if (ent->isfree)
					continue;

				if (ent->area.prev)
				{
					ent->area.prev = ent->area.next = NULL;
					SV_LinkEdict (ent, false);	// relink ents so touch functions continue to work.
				}
			}
		}
#ifdef Q2SERVER
		else if (ge && ge->edicts)
		{
			q2ent = ge->edicts;
			
			for (i=0 ; i<ge->num_edicts ; i++, q2ent = (q2edict_t *)((char *)q2ent + ge->edict_size))
			{
				if (!q2ent)
					continue;
				if (!q2ent->inuse)
					continue;

				if (q2ent->area.prev)
				{
					q2ent->area.prev = q2ent->area.next = NULL;
					SVQ2_LinkEdict (q2ent);	// relink ents so touch functions continue to work.
				}
			}
		}
#endif
	}

	if (cl.worldmodel)
	{
		int staticmodelindex[MAX_STATIC_ENTITIES];		

		for (i = 0; i < cl.num_statics; i++)	//static entities contain pointers to the model index.
		{
			staticmodelindex[i] = 0;
			for (j = 1; j < MAX_MODELS; j++)
				if (cl_static_entities[i].model == cl.model_precache[j])
					staticmodelindex[i] = j;
		}

		cl.worldmodel = NULL;
		cl_numvisedicts=0;

		for (i=1 ; i<MAX_MODELS ; i++)
		{
			if (!cl.model_name[i][0])
				break;

			cl.model_precache[i] = NULL;
			cl.model_precache[i] = Mod_ForName (cl.model_name[i], false);

			if (!cl.model_precache[i])
			{
				Con_Printf ("\nThe required model file '%s' could not be found or downloaded.\n\n"
					, cl.model_name[i]);
				Con_Printf ("You may need to download or purchase a client "
					"pack in order to play on this server.\n\n");
				CL_Disconnect ();
				UI_Reset();
				return false;
			}

			S_ExtraUpdate();
		}

		loadmodel = cl.worldmodel = cl.model_precache[1];

		if (loadmodel->needload)
		{
				CL_Disconnect ();
				UI_Reset();
				memcpy(&currentrendererstate, newr, sizeof(currentrendererstate));
				return true;
		}

		Mod_NowLoadExternal();
		R_NewMap();

		for (i = 0; i < cl.num_statics; i++)	//make the static entities reappear.
		{
			cl_static_entities[i].model = cl.model_precache[staticmodelindex[i]];
			if (staticmodelindex[i])	//make sure it's worthwhile.
			{
				R_AddEfrags(&cl_static_entities[i]);
			}
		}
	}
	else
		UI_Reset();

	if (cls.state)
		Cbuf_AddText("say Auto: Changed resolution\n", RESTRICT_MAX);

	switch (qrenderer)
	{
	case QR_NONE:
		Con_Printf(	"\n"
					"-----------------------------\n"
					"Dedicated console created\n");
		break;

	case QR_SOFTWARE:
		Con_Printf(	"\n"
					"-----------------------------\n"
					"Software renderer initialized\n");
		break;

	case QR_OPENGL:
		Con_Printf(	"\n"
					"-----------------------------\n"
					"OpenGL renderer initialized\n");
		break;
	}

	memcpy(&currentrendererstate, newr, sizeof(currentrendererstate));
	return true;
}

void R_RestartRenderer_f (void)
{
	rendererstate_t oldr;
	rendererstate_t newr;
	memset(&newr, 0, sizeof(newr));

	Media_CaptureDemoEnd();

	Cvar_ApplyLatches(CVAR_RENDERERLATCH);

	if (vid_mode.value < 0)	//custom
	{
		newr.width = vid_width.value;
		newr.height = vid_height.value;
	}
	else
	{
		if (vid_mode.value >= NUMVIDMODES)
			vid_mode.value = NUMVIDMODES-1;
		newr.width = vid_modes[(int)vid_mode.value].width;
		newr.height = vid_modes[(int)vid_mode.value].height;
	}

	newr.allow_modex = vid_allow_modex.value;

	newr.bpp = vid_bpp.value;
	newr.fullscreen = vid_fullscreen.value;
	newr.rate = vid_refreshrate.value;
	Q_strncpyz(newr.glrenderer, gl_driver.string, sizeof(newr.glrenderer));
	if (!*vid_renderer.string)
	{
		//gotta do this after main hunk is saved off.
#if defined(RGLQUAKE) && defined(SWQUAKE)
		Cmd_ExecuteString("setrenderer sw 8\n", RESTRICT_LOCAL);
		Cbuf_AddText("menu_video\n", RESTRICT_LOCAL);

#elif defined(RGLQUAKE)
		Cmd_ExecuteString("setrenderer gl\n", RESTRICT_LOCAL);
#else
		Cmd_ExecuteString("setrenderer sw\n", RESTRICT_LOCAL);
#endif
		return;
	}

#ifdef SWQUAKE
	if (!stricmp(vid_renderer.string, "sw") || !stricmp(vid_renderer.string, "software"))
		newr.renderer = QR_SOFTWARE;
	else
#endif
#ifdef RGLQUAKE
		if (!stricmp(vid_renderer.string, "gl") || !stricmp(vid_renderer.string, "opengl"))
		newr.renderer = QR_OPENGL;
	else
#endif
#if defined(RGLQUAKE) && defined(AVAIL_DX7)
		if (!stricmp(vid_renderer.string, "d3d") || !stricmp(vid_renderer.string, "dx"))
	{
		newr.renderer = QR_OPENGL;	//direct3d is done via a gl->d3d wrapper.
		Q_strncpyz(newr.glrenderer, "d3d", sizeof(newr.glrenderer));
	}
	else
#endif
#ifndef CLIENTONLY
		if (!stricmp(vid_renderer.string, "sv") || !stricmp(vid_renderer.string, "dedicated"))
		newr.renderer = QR_NONE;
	else
#endif
#if defined(SWQUAKE)
		newr.renderer = QR_SOFTWARE;
#elif defined(RGLQUAKE)
		newr.renderer = QR_OPENGL;
#else
#error "no default renderer"
#endif

	memcpy(&oldr, &currentrendererstate, sizeof(rendererstate_t));
	if (!R_ApplyRenderer(&newr))
	{
		if (R_ApplyRenderer(&oldr))
			Con_Printf("^1Video mode switch failed. Old mode restored.\n");
		else
		{
			newr.renderer = QR_NONE;
			if (R_ApplyRenderer(&newr))
				Con_Printf("^1Video mode switch failed. Old mode wasn't supported either. Console forced.\n");
			else
				Sys_Error("Couldn't fall back to previous renderer\n");
		}
	}
}

void R_SetRenderer_f (void)
{
	if (!strcmp(Cmd_Argv(1), "help"))
	{
		Con_Printf ("Valid commands are SW, GL and dedicated\n%s SW 8 will set 8bit software rendering\n%s SW 32 will set 32 bit software rendering\n%s GL will use the default OpenGL on your pc\n%s GL 3dfxgl will use a 3dfx minidriver (not supplied)\n^2Be aware that the default opengl driver is often a 3dfx minidriver installed with glquake. If you find default opengl fails, you may need to delete opengl32.dll from your quake directory ^1NOT^0 your system directory");
		return;
	}
	else if (!stricmp(Cmd_Argv(1), "dedicated"))
	{
		Cvar_Set(&vid_renderer, "sv");
		R_RestartRenderer_f();
	}
	else if (!stricmp(Cmd_Argv(1), "SW") || !stricmp(Cmd_Argv(1), "Software"))
	{
#ifndef SWQUAKE
		Con_Printf("Software rendering is not supported in this binary\n");
#else
		if (Cmd_Argc() >= 3)	//set vid_use32bit accordingly.
		{
			switch(atoi(Cmd_Argv(2)))
			{
			default:
				Con_Printf ("The parameter you specified is not linked to the software renderer.");
				return;
			case 32:
				Cvar_Set(&vid_bpp, "32");
				break;
			case 8:
				Cvar_Set(&vid_bpp, "8");
				break;
			}
		}
		Cvar_Set(&vid_renderer, "sw");
		
		R_RestartRenderer_f();

#endif
	}
	else if (!stricmp(Cmd_Argv(1), "GL") || !stricmp(Cmd_Argv(1), "OpenGL"))
	{
#ifndef RGLQUAKE
		Con_Printf("OpenGL rendering is not supported in this binary\n");
#else
		if (Cmd_Argc() == 3)	//set gl_driver accordingly.
			Cvar_Set(&gl_driver, Cmd_Argv(2));
		
		Cvar_ForceSet(&vid_renderer, "gl");

		if (vid_bpp.value == 8)
			Cvar_Set(&vid_bpp, "16");

		R_RestartRenderer_f();
#endif
	}
	else if (!stricmp(Cmd_Argv(1), "D3D") || !stricmp(Cmd_Argv(1), "DX"))
	{
#if defined(RGLQUAKE) && defined(AVAIL_DX7)
		Cvar_Set(&vid_renderer, "d3d");

		if (vid_bpp.value == 8)
			Cvar_Set(&vid_bpp, "16");

		R_RestartRenderer_f();
#else
		Con_Printf("Direct3D rendering is not supported in this binary\n");
#endif
	}
	else if (Cmd_Argc() < 2)
	{
		Con_Printf ("%s: Switch to a different renderer\n\ttype %s help for more info.\n", Cmd_Argv(0), Cmd_Argv(0));
		return;
	}
	else
	{
		Con_Printf ("%s: Parameters are bad.\n\ttype %s help for more info.\n", Cmd_Argv(0), Cmd_Argv(0));
		return;
	}
}