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;
372 // current lighting from map (updated ONLY by client code, not renderer)
373 vec3_t modellight_ambient;
374 vec3_t modellight_diffuse; // q3bsp
375 vec3_t modellight_lightdir; // q3bsp
377 // storage of decals on this entity
378 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
380 decalsystem_t decalsystem;
382 // FIELDS UPDATED BY RENDERER:
383 // last time visible during trace culling
384 double last_trace_visibility;
386 // user wavefunc parameters (from csqc)
387 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
391 typedef struct entity_persistent_s
397 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
399 // muzzleflash fading
402 // interpolated movement
404 // start time of move
406 // time difference from start to end of move
408 // the move itself, start and end
416 typedef struct entity_s
418 // baseline state (default values)
419 entity_state_t state_baseline;
420 // previous state (interpolating from this)
421 entity_state_t state_previous;
422 // current state (interpolating to this)
423 entity_state_t state_current;
425 // used for regenerating parts of render
426 entity_persistent_t persistent;
428 // the only data the renderer should know about
429 entity_render_t render;
433 typedef struct usercmd_s
437 // intended velocities
442 vec3_t cursor_screen;
445 vec3_t cursor_impact;
446 vec3_t cursor_normal;
447 vec_t cursor_fraction;
448 int cursor_entitynumber;
450 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
451 double receivetime; // time the move was received at
452 double clienttime; // time to which server state the move corresponds to
453 int msec; // for predicted moves
457 qboolean applied; // if false we're still accumulating a move
458 qboolean predicted; // if true the sequence should be sent as 0
460 // derived properties
467 typedef struct lightstyle_s
470 char map[MAX_STYLESTRING];
473 typedef struct scoreboard_s
475 char name[MAX_SCOREBOARDNAME];
477 int colors; // two 4 bit fields
480 char qw_userinfo[MAX_USERINFO_STRING];
487 char qw_skin[MAX_QPATH];
490 typedef struct cshift_s
493 float percent; // 0-255
494 float alphafade; // (any speed)
497 #define CSHIFT_CONTENTS 0
498 #define CSHIFT_DAMAGE 1
499 #define CSHIFT_BONUS 2
500 #define CSHIFT_POWERUP 3
501 #define CSHIFT_VCSHIFT 4
502 #define NUM_CSHIFTS 5
504 #define NAME_LENGTH 64
508 // client_state_t should hold all pieces of the client state
511 #define SIGNONS 4 // signon messages to receive before connected
513 typedef enum cactive_e
515 ca_uninitialized, // during early startup
516 ca_dedicated, // a dedicated server with no ability to start a client
517 ca_disconnected, // full screen console with no connection
518 ca_connected // valid netcon, talking to a server
522 typedef enum qw_downloadtype_e
532 typedef enum capturevideoformat_e
534 CAPTUREVIDEOFORMAT_AVI_I420,
535 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
537 capturevideoformat_t;
539 typedef struct capturevideostate_s
541 double startrealtime;
554 int soundsampleframe;
555 unsigned char *screenbuffer;
556 unsigned char *outbuffer;
557 char basename[MAX_QPATH];
560 // precomputed RGB to YUV tables
561 // converts the RGB values to YUV (see cap_avi.c for how to use them)
562 short rgbtoyuvscaletable[3][3][256];
563 unsigned char yuvnormalizetable[3][256];
565 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
566 // 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
567 unsigned short vidramp[256 * 3];
569 // stuff to be filled in by the video format module
570 capturevideoformat_t format;
571 const char *formatextension;
574 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
575 void (*endvideo) (void);
576 void (*videoframes) (int num);
577 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
579 // format specific data
580 void *formatspecific;
584 #define CL_MAX_DOWNLOADACKS 4
586 typedef struct cl_downloadack_s
592 typedef struct cl_soundstats_s
596 int latency_milliseconds;
601 // the client_static_t structure is persistent through an arbitrary number
602 // of server connections
604 typedef struct client_static_s
608 // all client memory allocations go in these pools
609 mempool_t *levelmempool;
610 mempool_t *permanentmempool;
613 // -1 = don't play demos
615 // list of demos in loop
616 char demos[MAX_DEMOS][MAX_DEMONAME];
617 // the actively playing demo (set by CL_PlayDemo_f)
618 char demoname[MAX_QPATH];
620 // demo recording info must be here, because record is started before
621 // entering a map (and clearing client_state_t)
622 qboolean demorecording;
623 fs_offset_t demo_lastcsprogssize;
624 int demo_lastcsprogscrc;
625 qboolean demoplayback;
627 // -1 = use normal cd track
630 // realtime at second frame of timedemo (LordHavoc: changed to double)
632 int td_frames; // total frames parsed
633 double td_onesecondnexttime;
634 double td_onesecondframes;
635 double td_onesecondrealtime;
636 double td_onesecondminfps;
637 double td_onesecondmaxfps;
638 double td_onesecondavgfps;
639 int td_onesecondavgcount;
640 // LordHavoc: pausedemo
643 // sound mixer statistics for showsound display
644 cl_soundstats_t soundstats;
646 qboolean connect_trying;
647 int connect_remainingtries;
648 double connect_nextsendtime;
649 lhnetsocket_t *connect_mysocket;
650 lhnetaddress_t connect_address;
651 // protocol version of the server we're connected to
652 // (kept outside client_state_t because it's used between levels)
653 protocolversion_t protocol;
657 lhnetaddress_t rcon_addresses[MAX_RCONS];
658 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
659 double rcon_timeout[MAX_RCONS];
662 // connection information
665 // network connection
668 // download information
669 // (note: qw_download variables are also used)
670 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
672 // input sequence numbers are not reset on level change, only connect
674 int servermovesequence;
676 // quakeworld stuff below
678 // value of "qport" cvar at time of connection
680 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
681 int qw_incoming_sequence;
682 int qw_outgoing_sequence;
684 // current file download buffer (only saved when file is completed)
685 char qw_downloadname[MAX_QPATH];
686 unsigned char *qw_downloadmemory;
687 int qw_downloadmemorycursize;
688 int qw_downloadmemorymaxsize;
689 int qw_downloadnumber;
690 int qw_downloadpercent;
691 qw_downloadtype_t qw_downloadtype;
692 // transfer rate display
693 double qw_downloadspeedtime;
694 int qw_downloadspeedcount;
695 int qw_downloadspeedrate;
696 qboolean qw_download_deflate;
698 // current file upload buffer (for uploading screenshots to server)
699 unsigned char *qw_uploaddata;
704 // this normally contains the following keys in quakeworld:
705 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
706 char userinfo[MAX_USERINFO_STRING];
708 // video capture stuff
709 capturevideostate_t capturevideo;
713 extern client_static_t cls;
715 typedef struct client_movementqueue_s
726 client_movementqueue_t;
732 qboolean drawenginesbar;
733 qboolean drawcrosshair;
738 PARTICLE_BILLBOARD = 0,
740 PARTICLE_ORIENTED_DOUBLESIDED = 2,
743 PARTICLE_INVALID = -1
756 typedef struct particletype_s
759 porientation_t orientation;
766 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
770 typedef struct decal_s
772 // fields used by rendering: (44 bytes)
773 unsigned short typeindex;
774 unsigned short texnum;
779 float alpha; // 0-255
780 unsigned char color[3];
781 unsigned char unused1;
782 int clusterindex; // cheap culling by pvs
784 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
785 float time2; // used for decal fade
786 unsigned int owner; // decal stuck to this entity
787 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
788 vec3_t relativeorigin; // decal at this location in entity's coordinate space
789 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
793 typedef struct particle_s
795 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
797 // fields used by rendering: (48 bytes)
798 vec3_t sortorigin; // sort by this group origin, not particle org
800 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
802 float alpha; // 0-255
803 float stretch; // only for sparks
805 // fields not used by rendering: (44 bytes)
808 float sizeincrease; // rate of size change per second
809 float alphafade; // how much alpha reduces per second
810 float time2; // used for snow fluttering and decal fade
811 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)
812 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
813 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
814 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
815 // float delayedcollisions; // time that p->bounce becomes active
816 float delayedspawn; // time that particle appears and begins moving
817 float die; // time when this particle should be removed, regardless of alpha
819 // short variables grouped to save memory (4 bytes)
820 short angle; // base rotation of particle
821 short spin; // geometry rotation speed around the particle center normal
823 // byte variables grouped to save memory (12 bytes)
824 unsigned char color[3];
825 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
826 unsigned char typeindex;
827 unsigned char blendmode;
828 unsigned char orientation;
829 unsigned char texnum;
830 unsigned char staincolor[3];
831 signed char staintexnum;
835 typedef enum cl_parsingtextmode_e
837 CL_PARSETEXTMODE_NONE,
838 CL_PARSETEXTMODE_PING,
839 CL_PARSETEXTMODE_STATUS,
840 CL_PARSETEXTMODE_STATUS_PLAYERID,
841 CL_PARSETEXTMODE_STATUS_PLAYERIP
843 cl_parsingtextmode_t;
845 typedef struct cl_locnode_s
847 struct cl_locnode_s *next;
853 typedef struct showlmp_s
864 // the client_state_t structure is wiped completely at every
867 typedef struct client_state_s
869 // true if playing in a local game and no one else is connected
872 // send a clc_nop periodically until connected
875 // current input being accumulated by mouse/joystick/etc input
877 // latest moves sent to the server that have not been confirmed yet
878 usercmd_t movecmd[CL_MAX_USERCMDS];
880 // information for local display
882 int stats[MAX_CL_STATS];
883 float *statsf; // points to stats[] array
884 // last known inventory bit flags, for blinking
886 // cl.time of acquiring item, for blinking
887 float item_gettime[32];
888 // last known STAT_ACTIVEWEAPON
890 // cl.time of changing STAT_ACTIVEWEAPON
892 // use pain anim frame if cl.time < this
894 // for stair smoothing
896 double stairsmoothtime;
898 // color shifts for damage, powerups
899 cshift_t cshifts[NUM_CSHIFTS];
901 cshift_t prev_cshifts[NUM_CSHIFTS];
903 // the client maintains its own idea of view angles, which are
904 // sent to the server each frame. The server sets punchangle when
905 // the view is temporarily offset, and an angle reset commands at the start
906 // of each level and after teleporting.
908 // mviewangles is read from demo
909 // viewangles is either client controlled or lerped from mviewangles
910 vec3_t mviewangles[2], viewangles;
911 // update by server, used by qc to do weapon recoil
912 vec3_t mpunchangle[2], punchangle;
913 // update by server, can be used by mods to kick view around
914 vec3_t mpunchvector[2], punchvector;
915 // update by server, used for lean+bob (0 is newest)
916 vec3_t mvelocity[2], velocity;
917 // update by server, can be used by mods for zooming
918 vec_t mviewzoom[2], viewzoom;
919 // if true interpolation the mviewangles and other interpolation of the
920 // player is disabled until the next network packet
921 // this is used primarily by teleporters, and when spectating players
922 // special checking of the old fixangle[1] is used to differentiate
923 // between teleporting and spectating
924 qboolean fixangle[2];
926 // client movement simulation
927 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
928 // set by CL_ClientMovement_Replay functions
929 qboolean movement_predicted;
930 // if true the CL_ClientMovement_Replay function will update origin, etc
931 qboolean movement_replay;
932 // simulated data (this is valid even if cl.movement is false)
933 vec3_t movement_origin;
934 vec3_t movement_velocity;
935 // whether the replay should allow a jump at the first sequence
936 qboolean movement_replay_canjump;
938 // previous gun angles (for leaning effects)
939 vec3_t gunangles_prev;
940 vec3_t gunangles_highpass;
941 vec3_t gunangles_adjustment_lowpass;
942 vec3_t gunangles_adjustment_highpass;
943 // previous gun angles (for leaning effects)
945 vec3_t gunorg_highpass;
946 vec3_t gunorg_adjustment_lowpass;
947 vec3_t gunorg_adjustment_highpass;
949 // pitch drifting vars
956 //[515]: added for csqc purposes
957 float sensitivityscale;
958 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
959 qboolean csqc_wantsmousemove;
960 qboolean csqc_paused; // vortex: int because could be flags
961 struct model_s *csqc_model_precache[MAX_MODELS];
963 // local amount for smoothing stepups
972 qboolean oldonground;
973 double lastongroundtime;
974 double hitgroundtime;
979 // don't change view angle, full screen, etc
981 // latched at intermission start
982 double completed_time;
984 // the timestamp of the last two messages
987 // clients view of time, time should be between mtime[0] and mtime[1] to
988 // generate a lerp point for other data, oldtime is the previous frame's
989 // value of time, frametime is the difference between time and oldtime
990 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
991 // is only forcefully limited when a packet is received
992 double time, oldtime;
993 // how long it has been since the previous client frame in real time
994 // (not game time, for that use cl.time - cl.oldtime)
995 double realframetime;
997 // fade var for fading while dead
1000 // motionblur alpha level variable
1001 float motionbluralpha;
1003 // copy of realtime from last recieved message, for net trouble icon
1004 float last_received_message;
1006 // information that is static for the entire time connected to a server
1007 struct model_s *model_precache[MAX_MODELS];
1008 struct sfx_s *sound_precache[MAX_SOUNDS];
1010 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1011 char model_name[MAX_MODELS][MAX_QPATH];
1012 char sound_name[MAX_SOUNDS][MAX_QPATH];
1014 // for display on solo scoreboard
1015 char worldmessage[40]; // map title (not related to filename)
1016 // variants of map name
1017 char worldbasename[MAX_QPATH]; // %s
1018 char worldname[MAX_QPATH]; // maps/%s.bsp
1019 char worldnamenoextension[MAX_QPATH]; // maps/%s
1020 // cl_entitites[cl.viewentity] = player
1022 // the real player entity (normally same as viewentity,
1023 // different than viewentity if mod uses chasecam or other tricks)
1024 int realplayerentity;
1025 // this is updated to match cl.viewentity whenever it is in the clients
1026 // range, basically this is used in preference to cl.realplayerentity for
1027 // most purposes because when spectating another player it should show
1028 // their information rather than yours
1030 // max players that can be in this game
1032 // type of game (deathmatch, coop, singleplayer)
1035 // models and sounds used by engine code (particularly cl_parse.c)
1036 dp_model_t *model_bolt;
1037 dp_model_t *model_bolt2;
1038 dp_model_t *model_bolt3;
1039 dp_model_t *model_beam;
1041 sfx_t *sfx_knighthit;
1047 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1048 qboolean foundtalk2wav;
1050 // refresh related state
1052 // cl_entitites[0].model
1053 struct model_s *worldmodel;
1059 int cdtrack, looptrack;
1064 scoreboard_t *scores;
1066 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1067 cl_parsingtextmode_t parsingtextmode;
1068 int parsingtextplayerindex;
1069 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1070 // (which could eat the wrong ping report if the player issues one
1071 // manually, but they would still see a ping report, just a later one
1072 // caused by the scoreboard code rather than the one they intentionally
1074 int parsingtextexpectingpingforscores;
1076 // entity database stuff
1077 // latest received entity frame numbers
1078 #define LATESTFRAMENUMS 32
1079 int latestframenumsposition;
1080 int latestframenums[LATESTFRAMENUMS];
1081 int latestsendnums[LATESTFRAMENUMS];
1082 entityframe_database_t *entitydatabase;
1083 entityframe4_database_t *entitydatabase4;
1084 entityframeqw_database_t *entitydatabaseqw;
1086 // keep track of quake entities because they need to be killed if they get stale
1087 int lastquakeentity;
1088 unsigned char isquakeentity[MAX_EDICTS];
1090 // bounding boxes for clientside movement
1091 vec3_t playerstandmins;
1092 vec3_t playerstandmaxs;
1093 vec3_t playercrouchmins;
1094 vec3_t playercrouchmaxs;
1096 // old decals are killed based on this
1100 int max_csqcrenderentities;
1101 int max_static_entities;
1106 int max_brushmodel_entities;
1112 entity_render_t *csqcrenderentities;
1113 unsigned char *entities_active;
1114 entity_t *static_entities;
1115 cl_effect_t *effects;
1118 lightstyle_t *lightstyle;
1119 int *brushmodel_entities;
1120 particle_t *particles;
1122 showlmp_t *showlmps;
1125 int num_static_entities;
1126 int num_brushmodel_entities;
1134 double particles_updatetime;
1135 double decals_updatetime;
1139 // cl_serverextension_download feature
1140 int loadmodel_current;
1141 int downloadmodel_current;
1142 int loadmodel_total;
1143 int loadsound_current;
1144 int downloadsound_current;
1145 int loadsound_total;
1146 qboolean downloadcsqc;
1149 qboolean loadfinished;
1153 // local copy of the server infostring
1154 char qw_serverinfo[MAX_SERVERINFO_STRING];
1156 // time of last qw "pings" command sent to server while showing scores
1157 double last_ping_request;
1159 // used during connect
1162 // updated from serverinfo
1165 // unused: indicates whether the player is spectating
1166 // use cl.scores[cl.playerentity-1].qw_spectator instead
1167 //qboolean qw_spectator;
1169 // last time an input packet was sent
1170 double lastpackettime;
1172 // movement parameters for client prediction
1173 unsigned int moveflags;
1174 float movevars_wallfriction;
1175 float movevars_waterfriction;
1176 float movevars_friction;
1177 float movevars_timescale;
1178 float movevars_gravity;
1179 float movevars_stopspeed;
1180 float movevars_maxspeed;
1181 float movevars_spectatormaxspeed;
1182 float movevars_accelerate;
1183 float movevars_airaccelerate;
1184 float movevars_wateraccelerate;
1185 float movevars_entgravity;
1186 float movevars_jumpvelocity;
1187 float movevars_edgefriction;
1188 float movevars_maxairspeed;
1189 float movevars_stepheight;
1190 float movevars_airaccel_qw;
1191 float movevars_airaccel_sideways_friction;
1192 float movevars_airstopaccelerate;
1193 float movevars_airstrafeaccelerate;
1194 float movevars_maxairstrafespeed;
1195 float movevars_airstrafeaccel_qw;
1196 float movevars_aircontrol;
1197 float movevars_aircontrol_power;
1198 float movevars_aircontrol_penalty;
1199 float movevars_warsowbunny_airforwardaccel;
1200 float movevars_warsowbunny_accel;
1201 float movevars_warsowbunny_topspeed;
1202 float movevars_warsowbunny_turnaccel;
1203 float movevars_warsowbunny_backtosideratio;
1204 float movevars_ticrate;
1205 float movevars_airspeedlimit_nonqw;
1207 // models used by qw protocol
1208 int qw_modelindex_spike;
1209 int qw_modelindex_player;
1210 int qw_modelindex_flag;
1211 int qw_modelindex_s_explod;
1213 vec3_t qw_intermission_origin;
1214 vec3_t qw_intermission_angles;
1216 // 255 is the most nails the QW protocol could send
1218 vec_t qw_nails[255][6];
1220 float qw_weaponkick;
1222 int qw_validsequence;
1224 int qw_deltasequence[QW_UPDATE_BACKUP];
1227 // server entity number corresponding to a clientside entity
1228 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1229 qboolean csqc_loaded;
1232 qboolean csqc_usecsqclistener;
1233 matrix4x4_t csqc_listenermatrix;
1234 char csqc_printtextbuf[MAX_INPUTLINE];
1236 // collision culling data
1239 // loc file stuff (points and boxes describing locations in the level)
1240 cl_locnode_t *locnodes;
1241 // this is updated to cl.movement_origin whenever health is < 1
1242 // used by %d print in say/say_team messages if cl_locs_enable is on
1243 vec3_t lastdeathorigin;
1245 // processing buffer used by R_BuildLightMap, reallocated as needed,
1246 // freed on each level change
1247 size_t buildlightmapmemorysize;
1248 unsigned char *buildlightmapmemory;
1255 extern cvar_t cl_name;
1256 extern cvar_t cl_color;
1257 extern cvar_t cl_rate;
1258 extern cvar_t cl_pmodel;
1259 extern cvar_t cl_playermodel;
1260 extern cvar_t cl_playerskin;
1262 extern cvar_t rcon_password;
1263 extern cvar_t rcon_address;
1265 extern cvar_t cl_upspeed;
1266 extern cvar_t cl_forwardspeed;
1267 extern cvar_t cl_backspeed;
1268 extern cvar_t cl_sidespeed;
1270 extern cvar_t cl_movespeedkey;
1272 extern cvar_t cl_yawspeed;
1273 extern cvar_t cl_pitchspeed;
1275 extern cvar_t cl_anglespeedkey;
1277 extern cvar_t cl_autofire;
1279 extern cvar_t cl_shownet;
1280 extern cvar_t cl_nolerp;
1281 extern cvar_t cl_nettimesyncfactor;
1282 extern cvar_t cl_nettimesyncboundmode;
1283 extern cvar_t cl_nettimesyncboundtolerance;
1285 extern cvar_t cl_pitchdriftspeed;
1286 extern cvar_t lookspring;
1287 extern cvar_t lookstrafe;
1288 extern cvar_t sensitivity;
1290 extern cvar_t freelook;
1292 extern cvar_t m_pitch;
1293 extern cvar_t m_yaw;
1294 extern cvar_t m_forward;
1295 extern cvar_t m_side;
1297 extern cvar_t cl_autodemo;
1298 extern cvar_t cl_autodemo_nameformat;
1299 extern cvar_t cl_autodemo_delete;
1301 extern cvar_t r_draweffects;
1303 extern cvar_t cl_explosions_alpha_start;
1304 extern cvar_t cl_explosions_alpha_end;
1305 extern cvar_t cl_explosions_size_start;
1306 extern cvar_t cl_explosions_size_end;
1307 extern cvar_t cl_explosions_lifetime;
1308 extern cvar_t cl_stainmaps;
1309 extern cvar_t cl_stainmaps_clearonload;
1311 extern cvar_t cl_prydoncursor;
1312 extern cvar_t cl_prydoncursor_notrace;
1314 extern cvar_t cl_locs_enable;
1316 extern client_state_t cl;
1318 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);
1320 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1321 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1323 //=============================================================================
1329 void CL_Shutdown (void);
1330 void CL_Init (void);
1332 void CL_EstablishConnection(const char *host);
1334 void CL_Disconnect (void);
1335 void CL_Disconnect_f (void);
1337 void CL_UpdateRenderEntity(entity_render_t *ent);
1338 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1339 void CL_UpdateViewEntities(void);
1344 typedef struct kbutton_s
1346 int down[2]; // key nums holding it down
1347 int state; // low bit is down state
1351 extern kbutton_t in_mlook, in_klook;
1352 extern kbutton_t in_strafe;
1353 extern kbutton_t in_speed;
1355 void CL_InitInput (void);
1356 void CL_SendMove (void);
1358 void CL_ValidateState(entity_state_t *s);
1359 void CL_MoveLerpEntityStates(entity_t *ent);
1360 void CL_LerpUpdate(entity_t *e);
1361 void CL_ParseTEnt (void);
1362 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1363 void CL_RelinkBeams (void);
1364 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1365 void CL_ClientMovement_Replay(void);
1367 void CL_ClearTempEntities (void);
1368 entity_render_t *CL_NewTempEntity (double shadertime);
1370 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1372 void CL_ClearState (void);
1373 void CL_ExpandEntities(int num);
1374 void CL_ExpandCSQCRenderEntities(int num);
1375 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1378 void CL_UpdateWorld (void);
1379 void CL_WriteToServer (void);
1380 void CL_Input (void);
1381 extern int cl_ignoremousemoves;
1384 float CL_KeyState (kbutton_t *key);
1385 const char *Key_KeynumToString (int keynum);
1386 int Key_StringToKeynum (const char *str);
1391 void CL_StopPlayback(void);
1392 void CL_ReadDemoMessage(void);
1393 void CL_WriteDemoMessage(sizebuf_t *mesage);
1395 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1396 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1398 void CL_NextDemo(void);
1399 void CL_Stop_f(void);
1400 void CL_Record_f(void);
1401 void CL_PlayDemo_f(void);
1402 void CL_TimeDemo_f(void);
1407 void CL_Parse_Init(void);
1408 void CL_Parse_Shutdown(void);
1409 void CL_ParseServerMessage(void);
1410 void CL_Parse_DumpPacket(void);
1411 void CL_Parse_ErrorCleanUp(void);
1412 void QW_CL_StartUpload(unsigned char *data, int size);
1413 extern cvar_t qport;
1414 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1419 void V_StartPitchDrift (void);
1420 void V_StopPitchDrift (void);
1423 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1424 void V_UpdateBlends (void);
1425 void V_ParseDamage (void);
1431 extern cvar_t cl_particles;
1432 extern cvar_t cl_particles_quality;
1433 extern cvar_t cl_particles_size;
1434 extern cvar_t cl_particles_quake;
1435 extern cvar_t cl_particles_blood;
1436 extern cvar_t cl_particles_blood_alpha;
1437 extern cvar_t cl_particles_blood_decal_alpha;
1438 extern cvar_t cl_particles_blood_decal_scalemin;
1439 extern cvar_t cl_particles_blood_decal_scalemax;
1440 extern cvar_t cl_particles_blood_bloodhack;
1441 extern cvar_t cl_particles_bulletimpacts;
1442 extern cvar_t cl_particles_explosions_sparks;
1443 extern cvar_t cl_particles_explosions_shell;
1444 extern cvar_t cl_particles_rain;
1445 extern cvar_t cl_particles_snow;
1446 extern cvar_t cl_particles_smoke;
1447 extern cvar_t cl_particles_smoke_alpha;
1448 extern cvar_t cl_particles_smoke_alphafade;
1449 extern cvar_t cl_particles_sparks;
1450 extern cvar_t cl_particles_bubbles;
1451 extern cvar_t cl_decals;
1452 extern cvar_t cl_decals_time;
1453 extern cvar_t cl_decals_fadetime;
1455 void CL_Particles_Clear(void);
1456 void CL_Particles_Init(void);
1457 void CL_Particles_Shutdown(void);
1458 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]);
1460 typedef enum effectnameindex_s
1464 EFFECT_TE_GUNSHOTQUAD,
1466 EFFECT_TE_SPIKEQUAD,
1467 EFFECT_TE_SUPERSPIKE,
1468 EFFECT_TE_SUPERSPIKEQUAD,
1470 EFFECT_TE_KNIGHTSPIKE,
1471 EFFECT_TE_EXPLOSION,
1472 EFFECT_TE_EXPLOSIONQUAD,
1473 EFFECT_TE_TAREXPLOSION,
1475 EFFECT_TE_LAVASPLASH,
1476 EFFECT_TE_SMALLFLASH,
1481 EFFECT_TE_PLASMABURN,
1483 EFFECT_TE_TEI_SMOKE,
1484 EFFECT_TE_TEI_BIGEXPLOSION,
1485 EFFECT_TE_TEI_PLASMAHIT,
1491 EFFECT_TR_SLIGHTBLOOD,
1492 EFFECT_TR_KNIGHTSPIKE,
1493 EFFECT_TR_VORESPIKE,
1494 EFFECT_TR_NEHAHRASMOKE,
1495 EFFECT_TR_NEXUIZPLASMA,
1496 EFFECT_TR_GLOWTRAIL,
1497 EFFECT_SVC_PARTICLE,
1502 int CL_ParticleEffectIndexForName(const char *name);
1503 const char *CL_ParticleEffectNameForIndex(int i);
1504 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);
1505 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]);
1506 void CL_ParseParticleEffect (void);
1507 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);
1508 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1509 void CL_EntityParticles (const entity_t *ent);
1510 void CL_ParticleExplosion (const vec3_t org);
1511 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1512 void R_NewExplosion(const vec3_t org);
1514 void Debug_PolygonBegin(const char *picname, int flags);
1515 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1516 void Debug_PolygonEnd(void);
1518 #include "cl_screen.h"
1520 extern qboolean sb_showscores;
1522 float RSurf_FogVertex(const vec3_t p);
1523 float RSurf_FogPoint(const vec3_t p);
1525 typedef struct r_refdef_stats_s
1529 int entities_surfaces;
1530 int entities_triangles;
1534 int world_triangles;
1535 int lightmapupdates;
1536 int lightmapupdatepixels;
1541 int meshes_elements;
1544 int lights_scissored;
1545 int lights_lighttriangles;
1546 int lights_shadowtriangles;
1547 int lights_dynamicshadowtriangles;
1549 int bloom_copypixels;
1550 int bloom_drawpixels;
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;