2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "matrixlib.h"
28 // flags for rtlight rendering
29 #define LIGHTFLAG_NORMALMODE 1
30 #define LIGHTFLAG_REALTIMEMODE 2
32 typedef struct tridecal_s
34 // color and initial alpha value
35 float texcoord2f[3][2];
37 unsigned char color4ub[3][4];
38 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
40 // if >= 0 this indicates the decal should follow an animated triangle
42 // for visibility culling
44 // old decals are killed to obey cl_decals_max
49 typedef struct decalsystem_s
52 double lastupdatetime;
61 unsigned short *element3s;
65 typedef struct effect_s
74 // these are for interpolation
84 // draw this as lightning polygons, or a model?
86 struct model_s *model;
92 typedef struct rtlight_s
94 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
96 // note that the world to light matrices are inversely scaled (divided) by lightradius
99 /// matrix for transforming light filter coordinates to world coordinates
100 matrix4x4_t matrix_lighttoworld;
101 /// matrix for transforming world coordinates to light filter coordinates
102 matrix4x4_t matrix_worldtolight;
103 /// typically 1 1 1, can be lower (dim) or higher (overbright)
105 /// size of the light (remove?)
108 char cubemapname[64];
109 /// light style to monitor for brightness
111 /// whether light should render shadows
113 /// intensity of corona to render
115 /// radius scale of corona to render (1.0 means same as light radius)
116 vec_t coronasizescale;
117 /// ambient intensity to render
119 /// diffuse intensity to render
121 /// specular intensity to render
123 /// LIGHTFLAG_* flags
126 // generated properties
127 /// used only for shadow volumes
134 // squared cullradius
137 // rendering properties, updated each time a light is rendered
138 // this is rtlight->color * d_lightstylevalue
140 /// used by corona updates, due to occlusion query
141 float corona_visibility;
142 unsigned int corona_queryindex_visiblepixels;
143 unsigned int corona_queryindex_allpixels;
144 /// this is R_GetCubemap(rtlight->cubemapname)
145 rtexture_t *currentcubemap;
146 /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
148 /// these fields are set by R_Shadow_PrepareLight for later drawing
149 int cached_numlightentities;
150 int cached_numlightentities_noselfshadow;
151 int cached_numshadowentities;
152 int cached_numshadowentities_noselfshadow;
153 int cached_numsurfaces;
154 struct entity_render_s **cached_lightentities;
155 struct entity_render_s **cached_lightentities_noselfshadow;
156 struct entity_render_s **cached_shadowentities;
157 struct entity_render_s **cached_shadowentities_noselfshadow;
158 unsigned char *cached_shadowtrispvs;
159 unsigned char *cached_lighttrispvs;
160 int *cached_surfacelist;
161 // reduced light cullbox from GetLightInfo
162 vec3_t cached_cullmins;
163 vec3_t cached_cullmaxs;
164 // current shadow-caster culling planes based on view
165 // (any geometry outside these planes can not contribute to the visible
166 // shadows in any way, and thus can be culled safely)
167 int cached_numfrustumplanes;
168 mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
170 /// static light info
171 /// true if this light should be compiled as a static light
173 /// true if this is a compiled world light, cleared if the light changes
175 /// the shadowing mode used to compile this light
177 /// premade shadow volumes to render for world entity
178 shadowmesh_t *static_meshchain_shadow_zpass;
179 shadowmesh_t *static_meshchain_shadow_zfail;
180 shadowmesh_t *static_meshchain_shadow_shadowmap;
181 /// used for visibility testing (more exact than bbox)
183 int static_numleafpvsbytes;
184 int *static_leaflist;
185 unsigned char *static_leafpvs;
186 /// surfaces seen by light
187 int static_numsurfaces;
188 int *static_surfacelist;
189 /// flag bits indicating which triangles of the world model should cast
190 /// shadows, and which ones should be lit
192 /// this avoids redundantly scanning the triangles in each surface twice
193 /// for whether they should cast shadows, once in culling and once in the
194 /// actual shadowmarklist production.
195 int static_numshadowtrispvsbytes;
196 unsigned char *static_shadowtrispvs;
197 /// this allows the lighting batch code to skip backfaces andother culled
198 /// triangles not relevant for lighting
199 /// (important on big surfaces such as terrain)
200 int static_numlighttrispvsbytes;
201 unsigned char *static_lighttrispvs;
202 /// masks of all shadowmap sides that have any potential static receivers or casters
203 int static_shadowmap_receivers;
204 int static_shadowmap_casters;
208 typedef struct dlight_s
210 // destroy light after this time
213 // the entity that owns this light (can be NULL)
215 struct entity_render_s *ent;
217 // (worldlight: saved to .rtlights file)
219 // worldlight orientation
221 // (worldlight: saved to .rtlights file)
223 // dlight orientation/scaling/location
227 // (worldlight: saved to .rtlights file)
229 // cubemap name to use on this light
230 // (worldlight: saved to .rtlights file)
231 char cubemapname[64];
232 // make light flash while selected
235 // brightness (not really radius anymore)
236 // (worldlight: saved to .rtlights file)
238 // drop intensity this much each second
241 // intensity value which is dropped over time
244 // initial values for intensity to modify
248 // light style which controls intensity of this light
249 // (worldlight: saved to .rtlights file)
252 // (worldlight: saved to .rtlights file)
255 // (worldlight: saved to .rtlights file)
257 // radius scale of corona to render (1.0 means same as light radius)
258 // (worldlight: saved to .rtlights file)
259 vec_t coronasizescale;
260 // ambient intensity to render
261 // (worldlight: saved to .rtlights file)
263 // diffuse intensity to render
264 // (worldlight: saved to .rtlights file)
266 // specular intensity to render
267 // (worldlight: saved to .rtlights file)
270 // (worldlight: saved to .rtlights file)
272 // linked list of world lights
274 struct dlight_s *next;
275 // embedded rtlight struct for renderer
281 #define MAX_FRAMEGROUPBLENDS 4
282 typedef struct framegroupblend_s
284 // animation number and blend factor
285 // (for most models this is the frame number)
288 // time frame began playing (for framegroup animations)
293 // this is derived from processing of the framegroupblend array
294 // note: technically each framegroupblend can produce two of these, but that
295 // never happens in practice because no one blends between more than 2
296 // framegroups at once
297 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
298 typedef struct frameblend_s
305 // LordHavoc: this struct is intended for the renderer but some fields are
306 // used by the client.
308 // The renderer should not rely on any changes to this struct to be persistent
309 // across multiple frames because temp entities are wiped every frame, but it
310 // is acceptable to cache things in this struct that are not critical.
312 // For example the r_cullentities_trace code does such caching.
313 typedef struct entity_render_s
319 // transform matrix for model to world
321 // transform matrix for world to model
322 matrix4x4_t inversematrix;
323 // opacity (alpha) of the model
325 // size the model is shown
327 // transparent sorting offset
328 float transparent_offset;
332 // number of the entity represents, or 0 for non-network entities
334 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
335 vec3_t colormap_pantscolor;
336 vec3_t colormap_shirtcolor;
337 // light, particles, etc
339 // qw CTF flags and other internal-use-only effect bits
346 // colormod tinting of models
350 // interpolated animation - active framegroups and blend factors
351 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
353 // time of last model change (for shader animations)
356 // calculated by the renderer (but not persistent)
358 // calculated during R_AddModelEntities
360 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
361 frameblend_t frameblend[MAX_FRAMEBLENDS];
362 // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
363 skeleton_t *skeleton;
365 // animation cache (pointers allocated using R_FrameData_Alloc)
366 // ONLY valid during R_RenderView! may be NULL (not cached)
367 float *animcache_vertex3f;
368 float *animcache_normal3f;
369 float *animcache_svector3f;
370 float *animcache_tvector3f;
371 // interleaved arrays for rendering and dynamic vertex buffers for them
372 r_vertexposition_t *animcache_vertexposition;
373 r_meshbuffer_t *animcache_vertexpositionbuffer;
374 r_vertexmesh_t *animcache_vertexmesh;
375 r_meshbuffer_t *animcache_vertexmeshbuffer;
377 // current lighting from map (updated ONLY by client code, not renderer)
378 vec3_t modellight_ambient;
379 vec3_t modellight_diffuse; // q3bsp
380 vec3_t modellight_lightdir; // q3bsp
382 // storage of decals on this entity
383 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
385 decalsystem_t decalsystem;
387 // FIELDS UPDATED BY RENDERER:
388 // last time visible during trace culling
389 double last_trace_visibility;
393 typedef struct entity_persistent_s
399 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
401 // muzzleflash fading
404 // interpolated movement
406 // start time of move
408 // time difference from start to end of move
410 // the move itself, start and end
418 typedef struct entity_s
420 // baseline state (default values)
421 entity_state_t state_baseline;
422 // previous state (interpolating from this)
423 entity_state_t state_previous;
424 // current state (interpolating to this)
425 entity_state_t state_current;
427 // used for regenerating parts of render
428 entity_persistent_t persistent;
430 // the only data the renderer should know about
431 entity_render_t render;
435 typedef struct usercmd_s
439 // intended velocities
444 vec3_t cursor_screen;
447 vec3_t cursor_impact;
448 vec3_t cursor_normal;
449 vec_t cursor_fraction;
450 int cursor_entitynumber;
452 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
453 double receivetime; // time the move was received at
454 double clienttime; // time to which server state the move corresponds to
455 int msec; // for predicted moves
459 qboolean applied; // if false we're still accumulating a move
460 qboolean predicted; // if true the sequence should be sent as 0
462 // derived properties
469 typedef struct lightstyle_s
472 char map[MAX_STYLESTRING];
475 typedef struct scoreboard_s
477 char name[MAX_SCOREBOARDNAME];
479 int colors; // two 4 bit fields
482 char qw_userinfo[MAX_USERINFO_STRING];
489 char qw_skin[MAX_QPATH];
492 typedef struct cshift_s
495 float percent; // 0-255
496 float alphafade; // (any speed)
499 #define CSHIFT_CONTENTS 0
500 #define CSHIFT_DAMAGE 1
501 #define CSHIFT_BONUS 2
502 #define CSHIFT_POWERUP 3
503 #define CSHIFT_VCSHIFT 4
504 #define NUM_CSHIFTS 5
506 #define NAME_LENGTH 64
510 // client_state_t should hold all pieces of the client state
513 #define SIGNONS 4 // signon messages to receive before connected
515 typedef enum cactive_e
517 ca_uninitialized, // during early startup
518 ca_dedicated, // a dedicated server with no ability to start a client
519 ca_disconnected, // full screen console with no connection
520 ca_connected // valid netcon, talking to a server
524 typedef enum qw_downloadtype_e
534 typedef enum capturevideoformat_e
536 CAPTUREVIDEOFORMAT_AVI_I420,
537 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
539 capturevideoformat_t;
541 typedef struct capturevideostate_s
543 double startrealtime;
556 int soundsampleframe;
557 unsigned char *screenbuffer;
558 unsigned char *outbuffer;
559 char basename[MAX_QPATH];
562 // precomputed RGB to YUV tables
563 // converts the RGB values to YUV (see cap_avi.c for how to use them)
564 short rgbtoyuvscaletable[3][3][256];
565 unsigned char yuvnormalizetable[3][256];
567 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
568 // note: to map from these values to RGB24, you have to multiply by 255.0/65535.0, then add 0.5, then cast to integer
569 unsigned short vidramp[256 * 3];
571 // stuff to be filled in by the video format module
572 capturevideoformat_t format;
573 const char *formatextension;
576 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
577 void (*endvideo) (void);
578 void (*videoframes) (int num);
579 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
581 // format specific data
582 void *formatspecific;
586 #define CL_MAX_DOWNLOADACKS 4
588 typedef struct cl_downloadack_s
594 typedef struct cl_soundstats_s
598 int latency_milliseconds;
603 // the client_static_t structure is persistent through an arbitrary number
604 // of server connections
606 typedef struct client_static_s
610 // all client memory allocations go in these pools
611 mempool_t *levelmempool;
612 mempool_t *permanentmempool;
615 // -1 = don't play demos
617 // list of demos in loop
618 char demos[MAX_DEMOS][MAX_DEMONAME];
619 // the actively playing demo (set by CL_PlayDemo_f)
620 char demoname[MAX_QPATH];
622 // demo recording info must be here, because record is started before
623 // entering a map (and clearing client_state_t)
624 qboolean demorecording;
625 fs_offset_t demo_lastcsprogssize;
626 int demo_lastcsprogscrc;
627 qboolean demoplayback;
629 // -1 = use normal cd track
632 // realtime at second frame of timedemo (LordHavoc: changed to double)
634 int td_frames; // total frames parsed
635 double td_onesecondnexttime;
636 double td_onesecondframes;
637 double td_onesecondrealtime;
638 double td_onesecondminfps;
639 double td_onesecondmaxfps;
640 double td_onesecondavgfps;
641 int td_onesecondavgcount;
642 // LordHavoc: pausedemo
645 // sound mixer statistics for showsound display
646 cl_soundstats_t soundstats;
648 qboolean connect_trying;
649 int connect_remainingtries;
650 double connect_nextsendtime;
651 lhnetsocket_t *connect_mysocket;
652 lhnetaddress_t connect_address;
653 // protocol version of the server we're connected to
654 // (kept outside client_state_t because it's used between levels)
655 protocolversion_t protocol;
659 lhnetaddress_t rcon_addresses[MAX_RCONS];
660 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
661 double rcon_timeout[MAX_RCONS];
664 // connection information
667 // network connection
670 // download information
671 // (note: qw_download variables are also used)
672 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
674 // input sequence numbers are not reset on level change, only connect
676 int servermovesequence;
678 // quakeworld stuff below
680 // value of "qport" cvar at time of connection
682 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
683 int qw_incoming_sequence;
684 int qw_outgoing_sequence;
686 // current file download buffer (only saved when file is completed)
687 char qw_downloadname[MAX_QPATH];
688 unsigned char *qw_downloadmemory;
689 int qw_downloadmemorycursize;
690 int qw_downloadmemorymaxsize;
691 int qw_downloadnumber;
692 int qw_downloadpercent;
693 qw_downloadtype_t qw_downloadtype;
694 // transfer rate display
695 double qw_downloadspeedtime;
696 int qw_downloadspeedcount;
697 int qw_downloadspeedrate;
698 qboolean qw_download_deflate;
700 // current file upload buffer (for uploading screenshots to server)
701 unsigned char *qw_uploaddata;
706 // this normally contains the following keys in quakeworld:
707 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
708 char userinfo[MAX_USERINFO_STRING];
710 // video capture stuff
711 capturevideostate_t capturevideo;
715 extern client_static_t cls;
717 typedef struct client_movementqueue_s
728 client_movementqueue_t;
734 qboolean drawenginesbar;
735 qboolean drawcrosshair;
740 PARTICLE_BILLBOARD = 0,
742 PARTICLE_ORIENTED_DOUBLESIDED = 2,
745 PARTICLE_INVALID = -1
758 typedef struct particletype_s
761 porientation_t orientation;
768 pt_dead, pt_alphastatic, pt_static, pt_spark, pt_beam, pt_rain, pt_raindecal, pt_snow, pt_bubble, pt_blood, pt_smoke, pt_decal, pt_entityparticle, pt_total
772 typedef struct decal_s
774 // fields used by rendering: (44 bytes)
775 unsigned short typeindex;
776 unsigned short texnum;
781 float alpha; // 0-255
782 unsigned char color[3];
783 unsigned char unused1;
784 int clusterindex; // cheap culling by pvs
786 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
787 float time2; // used for decal fade
788 unsigned int owner; // decal stuck to this entity
789 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
790 vec3_t relativeorigin; // decal at this location in entity's coordinate space
791 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
795 typedef struct particle_s
797 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
799 // fields used by rendering: (48 bytes)
800 vec3_t sortorigin; // sort by this group origin, not particle org
802 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
804 float alpha; // 0-255
805 float stretch; // only for sparks
807 // fields not used by rendering: (44 bytes)
810 float sizeincrease; // rate of size change per second
811 float alphafade; // how much alpha reduces per second
812 float time2; // used for snow fluttering and decal fade
813 float bounce; // how much bounce-back from a surface the particle hits (0 = no physics, 1 = stop and slide, 2 = keep bouncing forever, 1.5 is typical)
814 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
815 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
816 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
817 // float delayedcollisions; // time that p->bounce becomes active
818 float delayedspawn; // time that particle appears and begins moving
819 float die; // time when this particle should be removed, regardless of alpha
821 // short variables grouped to save memory (4 bytes)
822 short angle; // base rotation of particle
823 short spin; // geometry rotation speed around the particle center normal
825 // byte variables grouped to save memory (12 bytes)
826 unsigned char color[3];
827 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
828 unsigned char typeindex;
829 unsigned char blendmode;
830 unsigned char orientation;
831 unsigned char texnum;
832 unsigned char staincolor[3];
833 signed char staintexnum;
837 typedef enum cl_parsingtextmode_e
839 CL_PARSETEXTMODE_NONE,
840 CL_PARSETEXTMODE_PING,
841 CL_PARSETEXTMODE_STATUS,
842 CL_PARSETEXTMODE_STATUS_PLAYERID,
843 CL_PARSETEXTMODE_STATUS_PLAYERIP
845 cl_parsingtextmode_t;
847 typedef struct cl_locnode_s
849 struct cl_locnode_s *next;
855 typedef struct showlmp_s
866 // the client_state_t structure is wiped completely at every
869 typedef struct client_state_s
871 // true if playing in a local game and no one else is connected
874 // send a clc_nop periodically until connected
877 // current input being accumulated by mouse/joystick/etc input
879 // latest moves sent to the server that have not been confirmed yet
880 usercmd_t movecmd[CL_MAX_USERCMDS];
882 // information for local display
884 int stats[MAX_CL_STATS];
885 float *statsf; // points to stats[] array
886 // last known inventory bit flags, for blinking
888 // cl.time of acquiring item, for blinking
889 float item_gettime[32];
890 // last known STAT_ACTIVEWEAPON
892 // cl.time of changing STAT_ACTIVEWEAPON
894 // use pain anim frame if cl.time < this
896 // for stair smoothing
898 double stairsmoothtime;
900 // color shifts for damage, powerups
901 cshift_t cshifts[NUM_CSHIFTS];
903 cshift_t prev_cshifts[NUM_CSHIFTS];
905 // the client maintains its own idea of view angles, which are
906 // sent to the server each frame. The server sets punchangle when
907 // the view is temporarily offset, and an angle reset commands at the start
908 // of each level and after teleporting.
910 // mviewangles is read from demo
911 // viewangles is either client controlled or lerped from mviewangles
912 vec3_t mviewangles[2], viewangles;
913 // update by server, used by qc to do weapon recoil
914 vec3_t mpunchangle[2], punchangle;
915 // update by server, can be used by mods to kick view around
916 vec3_t mpunchvector[2], punchvector;
917 // update by server, used for lean+bob (0 is newest)
918 vec3_t mvelocity[2], velocity;
919 // update by server, can be used by mods for zooming
920 vec_t mviewzoom[2], viewzoom;
921 // if true interpolation the mviewangles and other interpolation of the
922 // player is disabled until the next network packet
923 // this is used primarily by teleporters, and when spectating players
924 // special checking of the old fixangle[1] is used to differentiate
925 // between teleporting and spectating
926 qboolean fixangle[2];
928 // client movement simulation
929 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
930 // set by CL_ClientMovement_Replay functions
931 qboolean movement_predicted;
932 // if true the CL_ClientMovement_Replay function will update origin, etc
933 qboolean movement_replay;
934 // simulated data (this is valid even if cl.movement is false)
935 vec3_t movement_origin;
936 vec3_t movement_velocity;
937 // whether the replay should allow a jump at the first sequence
938 qboolean movement_replay_canjump;
940 // previous gun angles (for leaning effects)
941 vec3_t gunangles_prev;
942 vec3_t gunangles_highpass;
943 vec3_t gunangles_adjustment_lowpass;
944 vec3_t gunangles_adjustment_highpass;
945 // previous gun angles (for leaning effects)
947 vec3_t gunorg_highpass;
948 vec3_t gunorg_adjustment_lowpass;
949 vec3_t gunorg_adjustment_highpass;
951 // pitch drifting vars
958 //[515]: added for csqc purposes
959 float sensitivityscale;
960 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
961 qboolean csqc_wantsmousemove;
962 qboolean csqc_paused; // vortex: int because could be flags
963 struct model_s *csqc_model_precache[MAX_MODELS];
965 // local amount for smoothing stepups
974 qboolean oldonground;
975 double lastongroundtime;
976 double hitgroundtime;
978 // don't change view angle, full screen, etc
980 // latched at intermission start
981 double completed_time;
983 // the timestamp of the last two messages
986 // clients view of time, time should be between mtime[0] and mtime[1] to
987 // generate a lerp point for other data, oldtime is the previous frame's
988 // value of time, frametime is the difference between time and oldtime
989 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
990 // is only forcefully limited when a packet is received
991 double time, oldtime;
992 // how long it has been since the previous client frame in real time
993 // (not game time, for that use cl.time - cl.oldtime)
994 double realframetime;
996 // fade var for fading while dead
999 // motionblur alpha level variable
1000 float motionbluralpha;
1002 // copy of realtime from last recieved message, for net trouble icon
1003 float last_received_message;
1005 // information that is static for the entire time connected to a server
1006 struct model_s *model_precache[MAX_MODELS];
1007 struct sfx_s *sound_precache[MAX_SOUNDS];
1009 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1010 char model_name[MAX_MODELS][MAX_QPATH];
1011 char sound_name[MAX_SOUNDS][MAX_QPATH];
1013 // for display on solo scoreboard
1014 char worldmessage[40]; // map title (not related to filename)
1015 // variants of map name
1016 char worldbasename[MAX_QPATH]; // %s
1017 char worldname[MAX_QPATH]; // maps/%s.bsp
1018 char worldnamenoextension[MAX_QPATH]; // maps/%s
1019 // cl_entitites[cl.viewentity] = player
1021 // the real player entity (normally same as viewentity,
1022 // different than viewentity if mod uses chasecam or other tricks)
1023 int realplayerentity;
1024 // this is updated to match cl.viewentity whenever it is in the clients
1025 // range, basically this is used in preference to cl.realplayerentity for
1026 // most purposes because when spectating another player it should show
1027 // their information rather than yours
1029 // max players that can be in this game
1031 // type of game (deathmatch, coop, singleplayer)
1034 // models and sounds used by engine code (particularly cl_parse.c)
1035 dp_model_t *model_bolt;
1036 dp_model_t *model_bolt2;
1037 dp_model_t *model_bolt3;
1038 dp_model_t *model_beam;
1040 sfx_t *sfx_knighthit;
1046 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1047 qboolean foundtalk2wav;
1049 // refresh related state
1051 // cl_entitites[0].model
1052 struct model_s *worldmodel;
1058 int cdtrack, looptrack;
1063 scoreboard_t *scores;
1065 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1066 cl_parsingtextmode_t parsingtextmode;
1067 int parsingtextplayerindex;
1068 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1069 // (which could eat the wrong ping report if the player issues one
1070 // manually, but they would still see a ping report, just a later one
1071 // caused by the scoreboard code rather than the one they intentionally
1073 int parsingtextexpectingpingforscores;
1075 // entity database stuff
1076 // latest received entity frame numbers
1077 #define LATESTFRAMENUMS 32
1078 int latestframenumsposition;
1079 int latestframenums[LATESTFRAMENUMS];
1080 int latestsendnums[LATESTFRAMENUMS];
1081 entityframe_database_t *entitydatabase;
1082 entityframe4_database_t *entitydatabase4;
1083 entityframeqw_database_t *entitydatabaseqw;
1085 // keep track of quake entities because they need to be killed if they get stale
1086 int lastquakeentity;
1087 unsigned char isquakeentity[MAX_EDICTS];
1089 // bounding boxes for clientside movement
1090 vec3_t playerstandmins;
1091 vec3_t playerstandmaxs;
1092 vec3_t playercrouchmins;
1093 vec3_t playercrouchmaxs;
1095 // old decals are killed based on this
1099 int max_csqcrenderentities;
1100 int max_static_entities;
1105 int max_brushmodel_entities;
1111 entity_render_t *csqcrenderentities;
1112 unsigned char *entities_active;
1113 entity_t *static_entities;
1114 cl_effect_t *effects;
1117 lightstyle_t *lightstyle;
1118 int *brushmodel_entities;
1119 particle_t *particles;
1121 showlmp_t *showlmps;
1124 int num_static_entities;
1125 int num_brushmodel_entities;
1133 double particles_updatetime;
1134 double decals_updatetime;
1138 // cl_serverextension_download feature
1139 int loadmodel_current;
1140 int downloadmodel_current;
1141 int loadmodel_total;
1142 int loadsound_current;
1143 int downloadsound_current;
1144 int loadsound_total;
1145 qboolean downloadcsqc;
1148 qboolean loadfinished;
1152 // local copy of the server infostring
1153 char qw_serverinfo[MAX_SERVERINFO_STRING];
1155 // time of last qw "pings" command sent to server while showing scores
1156 double last_ping_request;
1158 // used during connect
1161 // updated from serverinfo
1164 // unused: indicates whether the player is spectating
1165 // use cl.scores[cl.playerentity-1].qw_spectator instead
1166 //qboolean qw_spectator;
1168 // last time an input packet was sent
1169 double lastpackettime;
1171 // movement parameters for client prediction
1172 unsigned int moveflags;
1173 float movevars_wallfriction;
1174 float movevars_waterfriction;
1175 float movevars_friction;
1176 float movevars_timescale;
1177 float movevars_gravity;
1178 float movevars_stopspeed;
1179 float movevars_maxspeed;
1180 float movevars_spectatormaxspeed;
1181 float movevars_accelerate;
1182 float movevars_airaccelerate;
1183 float movevars_wateraccelerate;
1184 float movevars_entgravity;
1185 float movevars_jumpvelocity;
1186 float movevars_edgefriction;
1187 float movevars_maxairspeed;
1188 float movevars_stepheight;
1189 float movevars_airaccel_qw;
1190 float movevars_airaccel_sideways_friction;
1191 float movevars_airstopaccelerate;
1192 float movevars_airstrafeaccelerate;
1193 float movevars_maxairstrafespeed;
1194 float movevars_aircontrol;
1195 float movevars_aircontrol_power;
1196 float movevars_warsowbunny_airforwardaccel;
1197 float movevars_warsowbunny_accel;
1198 float movevars_warsowbunny_topspeed;
1199 float movevars_warsowbunny_turnaccel;
1200 float movevars_warsowbunny_backtosideratio;
1201 float movevars_ticrate;
1203 // models used by qw protocol
1204 int qw_modelindex_spike;
1205 int qw_modelindex_player;
1206 int qw_modelindex_flag;
1207 int qw_modelindex_s_explod;
1209 vec3_t qw_intermission_origin;
1210 vec3_t qw_intermission_angles;
1212 // 255 is the most nails the QW protocol could send
1214 vec_t qw_nails[255][6];
1216 float qw_weaponkick;
1218 int qw_validsequence;
1220 int qw_deltasequence[QW_UPDATE_BACKUP];
1223 // server entity number corresponding to a clientside entity
1224 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1225 qboolean csqc_loaded;
1228 qboolean csqc_usecsqclistener;
1229 matrix4x4_t csqc_listenermatrix;
1230 char csqc_printtextbuf[MAX_INPUTLINE];
1232 // collision culling data
1235 // loc file stuff (points and boxes describing locations in the level)
1236 cl_locnode_t *locnodes;
1237 // this is updated to cl.movement_origin whenever health is < 1
1238 // used by %d print in say/say_team messages if cl_locs_enable is on
1239 vec3_t lastdeathorigin;
1241 // processing buffer used by R_BuildLightMap, reallocated as needed,
1242 // freed on each level change
1243 size_t buildlightmapmemorysize;
1244 unsigned char *buildlightmapmemory;
1251 extern cvar_t cl_name;
1252 extern cvar_t cl_color;
1253 extern cvar_t cl_rate;
1254 extern cvar_t cl_pmodel;
1255 extern cvar_t cl_playermodel;
1256 extern cvar_t cl_playerskin;
1258 extern cvar_t rcon_password;
1259 extern cvar_t rcon_address;
1261 extern cvar_t cl_upspeed;
1262 extern cvar_t cl_forwardspeed;
1263 extern cvar_t cl_backspeed;
1264 extern cvar_t cl_sidespeed;
1266 extern cvar_t cl_movespeedkey;
1268 extern cvar_t cl_yawspeed;
1269 extern cvar_t cl_pitchspeed;
1271 extern cvar_t cl_anglespeedkey;
1273 extern cvar_t cl_autofire;
1275 extern cvar_t cl_shownet;
1276 extern cvar_t cl_nolerp;
1277 extern cvar_t cl_nettimesyncfactor;
1278 extern cvar_t cl_nettimesyncboundmode;
1279 extern cvar_t cl_nettimesyncboundtolerance;
1281 extern cvar_t cl_pitchdriftspeed;
1282 extern cvar_t lookspring;
1283 extern cvar_t lookstrafe;
1284 extern cvar_t sensitivity;
1286 extern cvar_t freelook;
1288 extern cvar_t m_pitch;
1289 extern cvar_t m_yaw;
1290 extern cvar_t m_forward;
1291 extern cvar_t m_side;
1293 extern cvar_t cl_autodemo;
1294 extern cvar_t cl_autodemo_nameformat;
1295 extern cvar_t cl_autodemo_delete;
1297 extern cvar_t r_draweffects;
1299 extern cvar_t cl_explosions_alpha_start;
1300 extern cvar_t cl_explosions_alpha_end;
1301 extern cvar_t cl_explosions_size_start;
1302 extern cvar_t cl_explosions_size_end;
1303 extern cvar_t cl_explosions_lifetime;
1304 extern cvar_t cl_stainmaps;
1305 extern cvar_t cl_stainmaps_clearonload;
1307 extern cvar_t cl_prydoncursor;
1308 extern cvar_t cl_prydoncursor_notrace;
1310 extern cvar_t cl_locs_enable;
1312 extern client_state_t cl;
1314 extern void CL_AllocLightFlash (entity_render_t *ent, matrix4x4_t *matrix, float radius, float red, float green, float blue, float decay, float lifetime, int cubemapnum, int style, int shadowenable, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags);
1316 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1317 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1319 //=============================================================================
1325 void CL_Shutdown (void);
1326 void CL_Init (void);
1328 void CL_EstablishConnection(const char *host);
1330 void CL_Disconnect (void);
1331 void CL_Disconnect_f (void);
1333 void CL_UpdateRenderEntity(entity_render_t *ent);
1334 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1335 void CL_UpdateViewEntities(void);
1340 typedef struct kbutton_s
1342 int down[2]; // key nums holding it down
1343 int state; // low bit is down state
1347 extern kbutton_t in_mlook, in_klook;
1348 extern kbutton_t in_strafe;
1349 extern kbutton_t in_speed;
1351 void CL_InitInput (void);
1352 void CL_SendMove (void);
1354 void CL_ValidateState(entity_state_t *s);
1355 void CL_MoveLerpEntityStates(entity_t *ent);
1356 void CL_LerpUpdate(entity_t *e);
1357 void CL_ParseTEnt (void);
1358 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1359 void CL_RelinkBeams (void);
1360 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1361 void CL_ClientMovement_Replay(void);
1363 void CL_ClearTempEntities (void);
1364 entity_render_t *CL_NewTempEntity (double shadertime);
1366 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1368 void CL_ClearState (void);
1369 void CL_ExpandEntities(int num);
1370 void CL_ExpandCSQCRenderEntities(int num);
1371 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1374 void CL_UpdateWorld (void);
1375 void CL_WriteToServer (void);
1376 void CL_Input (void);
1377 extern int cl_ignoremousemoves;
1380 float CL_KeyState (kbutton_t *key);
1381 const char *Key_KeynumToString (int keynum);
1382 int Key_StringToKeynum (const char *str);
1387 void CL_StopPlayback(void);
1388 void CL_ReadDemoMessage(void);
1389 void CL_WriteDemoMessage(sizebuf_t *mesage);
1391 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1392 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1394 void CL_NextDemo(void);
1395 void CL_Stop_f(void);
1396 void CL_Record_f(void);
1397 void CL_PlayDemo_f(void);
1398 void CL_TimeDemo_f(void);
1403 void CL_Parse_Init(void);
1404 void CL_Parse_Shutdown(void);
1405 void CL_ParseServerMessage(void);
1406 void CL_Parse_DumpPacket(void);
1407 void CL_Parse_ErrorCleanUp(void);
1408 void QW_CL_StartUpload(unsigned char *data, int size);
1409 extern cvar_t qport;
1410 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1415 void V_StartPitchDrift (void);
1416 void V_StopPitchDrift (void);
1419 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1420 void V_UpdateBlends (void);
1421 void V_ParseDamage (void);
1427 extern cvar_t cl_particles;
1428 extern cvar_t cl_particles_quality;
1429 extern cvar_t cl_particles_size;
1430 extern cvar_t cl_particles_quake;
1431 extern cvar_t cl_particles_blood;
1432 extern cvar_t cl_particles_blood_alpha;
1433 extern cvar_t cl_particles_blood_decal_alpha;
1434 extern cvar_t cl_particles_blood_decal_scalemin;
1435 extern cvar_t cl_particles_blood_decal_scalemax;
1436 extern cvar_t cl_particles_blood_bloodhack;
1437 extern cvar_t cl_particles_bulletimpacts;
1438 extern cvar_t cl_particles_explosions_sparks;
1439 extern cvar_t cl_particles_explosions_shell;
1440 extern cvar_t cl_particles_rain;
1441 extern cvar_t cl_particles_snow;
1442 extern cvar_t cl_particles_smoke;
1443 extern cvar_t cl_particles_smoke_alpha;
1444 extern cvar_t cl_particles_smoke_alphafade;
1445 extern cvar_t cl_particles_sparks;
1446 extern cvar_t cl_particles_bubbles;
1447 extern cvar_t cl_decals;
1448 extern cvar_t cl_decals_time;
1449 extern cvar_t cl_decals_fadetime;
1451 void CL_Particles_Clear(void);
1452 void CL_Particles_Init(void);
1453 void CL_Particles_Shutdown(void);
1454 particle_t *CL_NewParticle(const vec3_t sortorigin, unsigned short ptypeindex, int pcolor1, int pcolor2, int ptex, float psize, float psizeincrease, float palpha, float palphafade, float pgravity, float pbounce, float px, float py, float pz, float pvx, float pvy, float pvz, float pairfriction, float pliquidfriction, float originjitter, float velocityjitter, qboolean pqualityreduction, float lifetime, float stretch, pblend_t blendmode, porientation_t orientation, int staincolor1, int staincolor2, int staintex, float stainalpha, float stainsize, float angle, float spin, float tint[4]);
1456 typedef enum effectnameindex_s
1460 EFFECT_TE_GUNSHOTQUAD,
1462 EFFECT_TE_SPIKEQUAD,
1463 EFFECT_TE_SUPERSPIKE,
1464 EFFECT_TE_SUPERSPIKEQUAD,
1466 EFFECT_TE_KNIGHTSPIKE,
1467 EFFECT_TE_EXPLOSION,
1468 EFFECT_TE_EXPLOSIONQUAD,
1469 EFFECT_TE_TAREXPLOSION,
1471 EFFECT_TE_LAVASPLASH,
1472 EFFECT_TE_SMALLFLASH,
1477 EFFECT_TE_PLASMABURN,
1479 EFFECT_TE_TEI_SMOKE,
1480 EFFECT_TE_TEI_BIGEXPLOSION,
1481 EFFECT_TE_TEI_PLASMAHIT,
1487 EFFECT_TR_SLIGHTBLOOD,
1488 EFFECT_TR_KNIGHTSPIKE,
1489 EFFECT_TR_VORESPIKE,
1490 EFFECT_TR_NEHAHRASMOKE,
1491 EFFECT_TR_NEXUIZPLASMA,
1492 EFFECT_TR_GLOWTRAIL,
1493 EFFECT_SVC_PARTICLE,
1498 int CL_ParticleEffectIndexForName(const char *name);
1499 const char *CL_ParticleEffectNameForIndex(int i);
1500 void CL_ParticleEffect(int effectindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor);
1501 void CL_ParticleTrail(int effectindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles, float tintmins[4], float tintmaxs[4]);
1502 void CL_ParseParticleEffect (void);
1503 void CL_ParticleCube (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, vec_t gravity, vec_t randomvel);
1504 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1505 void CL_EntityParticles (const entity_t *ent);
1506 void CL_ParticleExplosion (const vec3_t org);
1507 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1508 void R_NewExplosion(const vec3_t org);
1510 void Debug_PolygonBegin(const char *picname, int flags);
1511 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1512 void Debug_PolygonEnd(void);
1514 #include "cl_screen.h"
1516 extern qboolean sb_showscores;
1518 float RSurf_FogVertex(const vec3_t p);
1519 float RSurf_FogPoint(const vec3_t p);
1521 typedef struct r_refdef_stats_s
1525 int entities_surfaces;
1526 int entities_triangles;
1530 int world_triangles;
1531 int lightmapupdates;
1532 int lightmapupdatepixels;
1537 int meshes_elements;
1540 int lights_scissored;
1541 int lights_lighttriangles;
1542 int lights_shadowtriangles;
1543 int lights_dynamicshadowtriangles;
1545 int bloom_copypixels;
1546 int bloom_drawpixels;
1547 int indexbufferuploadcount;
1548 int indexbufferuploadsize;
1549 int vertexbufferuploadcount;
1550 int vertexbufferuploadsize;
1554 typedef enum r_viewport_type_e
1556 R_VIEWPORTTYPE_ORTHO,
1557 R_VIEWPORTTYPE_PERSPECTIVE,
1558 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1559 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1560 R_VIEWPORTTYPE_TOTAL
1564 typedef struct r_viewport_s
1566 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1567 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1568 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1575 r_viewport_type_t type;
1576 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1580 typedef struct r_refdef_view_s
1582 // view information (changes multiple times per frame)
1583 // if any of these variables change then r_refdef.viewcache must be regenerated
1584 // by calling R_View_Update
1585 // (which also updates viewport, scissor, colormask)
1587 // it is safe and expected to copy this into a structure on the stack and
1588 // call the renderer recursively, then restore from the stack afterward
1589 // (as long as R_View_Update is called)
1591 // eye position information
1592 matrix4x4_t matrix, inverse_matrix;
1598 int numfrustumplanes;
1599 mplane_t frustum[6];
1600 qboolean useclipplane;
1601 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1603 float frustum_x, frustum_y;
1604 vec3_t frustumcorner[4];
1605 // if turned off it renders an ortho view
1607 float ortho_x, ortho_y;
1609 // screen area to render in
1616 r_viewport_t viewport;
1618 // which color components to allow (for anaglyph glasses)
1621 // global RGB color multiplier for rendering, this is required by HDR
1624 // whether to call R_ClearScreen before rendering stuff
1626 // if true, don't clear or do any post process effects (bloom, etc)
1629 // whether to draw r_showtris and such, this is only true for the main
1630 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1631 // distortion effects, etc) omit such debugging information
1634 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1638 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1643 typedef struct r_refdef_viewcache_s
1645 // updated by gl_main_newmap()
1647 int world_numclusters;
1648 int world_numclusterbytes;
1650 int world_numsurfaces;
1652 // these properties are generated by R_View_Update()
1654 // which entities are currently visible for this viewpoint
1655 // (the used range is 0...r_refdef.scene.numentities)
1656 unsigned char *entityvisible;
1658 // flag arrays used for visibility checking on world model
1659 // (all other entities have no per-surface/per-leaf visibility checks)
1660 unsigned char *world_pvsbits;
1661 unsigned char *world_leafvisible;
1662 unsigned char *world_surfacevisible;
1663 // if true, the view is currently in a leaf without pvs data
1664 qboolean world_novis;
1666 r_refdef_viewcache_t;
1668 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1669 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1670 typedef struct r_refdef_scene_s {
1671 // whether to call S_ExtraUpdate during render to reduce sound chop
1672 qboolean extraupdate;
1674 // (client gameworld) time for rendering time based effects
1678 entity_render_t *worldentity;
1680 // same as worldentity->model
1681 dp_model_t *worldmodel;
1683 // renderable entities (excluding world)
1684 entity_render_t **entities;
1688 // field of temporary entities that is reset each (client) frame
1689 entity_render_t *tempentities;
1690 int numtempentities;
1691 int maxtempentities;
1693 // renderable dynamic lights
1694 rtlight_t *lights[MAX_DLIGHTS];
1695 rtlight_t templights[MAX_DLIGHTS];
1698 // intensities for light styles right now, controls rtlights
1699 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1700 // 8.8bit fixed point intensities for light styles
1701 // controls intensity lightmap layers
1702 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1707 qboolean rtworldshadows;
1709 qboolean rtdlightshadows;
1712 typedef struct r_refdef_s
1714 // these fields define the basic rendering information for the world
1715 // but not the view, which could change multiple times in one rendered
1716 // frame (for example when rendering textures for certain effects)
1718 // these are set for water warping before
1719 // frustum_x/frustum_y are calculated
1720 float frustumscale_x, frustumscale_y;
1722 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1723 r_refdef_view_t view;
1724 r_refdef_viewcache_t viewcache;
1726 // minimum visible distance (pixels closer than this disappear)
1728 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1729 // in 32bpp an infinite-farclip matrix is used instead)
1732 // fullscreen color blend
1735 r_refdef_scene_t scene;
1738 float fogplaneviewdist;
1739 qboolean fogplaneviewabove;
1740 float fogheightfade;
1743 float fograngerecip;
1744 float fogmasktabledistmultiplier;
1745 #define FOGMASKTABLEWIDTH 1024
1746 float fogmasktable[FOGMASKTABLEWIDTH];
1747 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1756 float fog_fadedepth;
1757 qboolean fogenabled;
1758 qboolean oldgl_fogenable;
1760 // new flexible texture height fog (overrides normal fog)
1761 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1762 unsigned char *fog_height_table1d;
1763 unsigned char *fog_height_table2d;
1764 int fog_height_tablesize; // enable
1765 float fog_height_tablescale;
1766 float fog_height_texcoordscale;
1767 char fogheighttexturename[64]; // detects changes to active fog height texture
1769 qboolean draw2dstage;
1771 // true during envmap command capture
1774 // brightness of world lightmaps and related lighting
1775 // (often reduced when world rtlights are enabled)
1776 float lightmapintensity;
1777 // whether to draw world lights realtime, dlights realtime, and their shadows
1778 float polygonfactor;
1779 float polygonoffset;
1780 float shadowpolygonfactor;
1781 float shadowpolygonoffset;
1783 // rendering stats for r_speeds display
1784 // (these are incremented in many places)
1785 r_refdef_stats_t stats;
1789 extern r_refdef_t r_refdef;