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"
27 // LordHavoc: 256 dynamic lights
28 #define MAX_DLIGHTS 256
30 // this is the maximum number of input packets that can be lost without a
32 #define CL_MAX_USERCMDS 16
34 // flags for rtlight rendering
35 #define LIGHTFLAG_NORMALMODE 1
36 #define LIGHTFLAG_REALTIMEMODE 2
38 typedef struct effect_s
47 // these are for interpolation
57 // draw this as lightning polygons, or a model?
59 struct model_s *model;
65 typedef struct rtlight_s
67 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
69 // note that the world to light matrices are inversely scaled (divided) by lightradius
72 // matrix for transforming light filter coordinates to world coordinates
73 matrix4x4_t matrix_lighttoworld;
74 // matrix for transforming world coordinates to light filter coordinates
75 matrix4x4_t matrix_worldtolight;
76 // typically 1 1 1, can be lower (dim) or higher (overbright)
78 // size of the light (remove?)
82 // light style to monitor for brightness
84 // whether light should render shadows
86 // intensity of corona to render
88 // radius scale of corona to render (1.0 means same as light radius)
89 vec_t coronasizescale;
90 // ambient intensity to render
92 // diffuse intensity to render
94 // specular intensity to render
99 // generated properties
100 // used only for shadow volumes
107 // squared cullradius
110 // rendering properties, updated each time a light is rendered
111 // this is rtlight->color * d_lightstylevalue
113 // this is R_Shadow_Cubemap(rtlight->cubemapname)
114 rtexture_t *currentcubemap;
117 // true if this light should be compiled as a static light
119 // true if this is a compiled world light, cleared if the light changes
121 // premade shadow volumes to render for world entity
122 shadowmesh_t *static_meshchain_shadow;
123 // used for visibility testing (more exact than bbox)
125 int static_numleafpvsbytes;
126 int *static_leaflist;
127 unsigned char *static_leafpvs;
128 // surfaces seen by light
129 int static_numsurfaces;
130 int *static_surfacelist;
131 // flag bits indicating which triangles of the world model should cast
132 // shadows, and which ones should be lit
134 // this avoids redundantly scanning the triangles in each surface twice
135 // for whether they should cast shadows, once in culling and once in the
136 // actual shadowmarklist production.
137 int static_numshadowtrispvsbytes;
138 unsigned char *static_shadowtrispvs;
139 // this allows the lighting batch code to skip backfaces andother culled
140 // triangles not relevant for lighting
141 // (important on big surfaces such as terrain)
142 int static_numlighttrispvsbytes;
143 unsigned char *static_lighttrispvs;
147 typedef struct dlight_s
149 // destroy light after this time
152 // the entity that owns this light (can be NULL)
154 struct entity_render_s *ent;
156 // (worldlight: saved to .rtlights file)
158 // worldlight orientation
160 // (worldlight: saved to .rtlights file)
162 // dlight orientation/scaling/location
166 // (worldlight: saved to .rtlights file)
168 // cubemap name to use on this light
169 // (worldlight: saved to .rtlights file)
170 char cubemapname[64];
171 // make light flash while selected
174 // brightness (not really radius anymore)
175 // (worldlight: saved to .rtlights file)
177 // drop intensity this much each second
180 // intensity value which is dropped over time
183 // initial values for intensity to modify
187 // light style which controls intensity of this light
188 // (worldlight: saved to .rtlights file)
191 // (worldlight: saved to .rtlights file)
194 // (worldlight: saved to .rtlights file)
196 // radius scale of corona to render (1.0 means same as light radius)
197 // (worldlight: saved to .rtlights file)
198 vec_t coronasizescale;
199 // ambient intensity to render
200 // (worldlight: saved to .rtlights file)
202 // diffuse intensity to render
203 // (worldlight: saved to .rtlights file)
205 // specular intensity to render
206 // (worldlight: saved to .rtlights file)
209 // (worldlight: saved to .rtlights file)
211 // linked list of world lights
213 struct dlight_s *next;
214 // embedded rtlight struct for renderer
220 typedef struct frameblend_s
227 // LordHavoc: this struct is intended for the renderer but some fields are
228 // used by the client.
230 // The renderer should not rely on any changes to this struct to be persistent
231 // across multiple frames because temp entities are wiped every frame, but it
232 // is acceptable to cache things in this struct that are not critical.
234 // For example the r_cullentities_trace code does such caching.
235 typedef struct entity_render_s
241 // transform matrix for model to world
243 // transform matrix for world to model
244 matrix4x4_t inversematrix;
245 // opacity (alpha) of the model
247 // size the model is shown
252 // number of the entity represents, or 0 for non-network entities
254 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
255 vec3_t colormap_pantscolor;
256 vec3_t colormap_shirtcolor;
257 // light, particles, etc
259 // qw CTF flags and other internal-use-only effect bits
266 // colormod tinting of models
269 // interpolated animation
271 // frame that the model is interpolating from
273 // frame that the model is interpolating to
275 // interpolation factor, usually computed from frame2time
277 // time frame1 began playing (for framegroup animations)
279 // time frame2 began playing (for framegroup animations)
282 // calculated by the renderer (but not persistent)
284 // calculated during R_AddModelEntities
286 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
287 frameblend_t frameblend[4];
289 // current lighting from map (updated ONLY by client code, not renderer)
290 vec3_t modellight_ambient;
291 vec3_t modellight_diffuse; // q3bsp
292 vec3_t modellight_lightdir; // q3bsp
294 // FIELDS UPDATED BY RENDERER:
295 // last time visible during trace culling
296 double last_trace_visibility;
300 typedef struct entity_persistent_s
306 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
308 // muzzleflash fading
311 // interpolated movement
313 // start time of move
315 // time difference from start to end of move
317 // the move itself, start and end
325 typedef struct entity_s
327 // baseline state (default values)
328 entity_state_t state_baseline;
329 // previous state (interpolating from this)
330 entity_state_t state_previous;
331 // current state (interpolating to this)
332 entity_state_t state_current;
334 // used for regenerating parts of render
335 entity_persistent_t persistent;
337 // the only data the renderer should know about
338 entity_render_t render;
342 typedef struct usercmd_s
346 // intended velocities
351 vec3_t cursor_screen;
354 vec3_t cursor_impact;
355 vec3_t cursor_normal;
356 vec_t cursor_fraction;
357 int cursor_entitynumber;
361 int msec; // for qw moves
365 qboolean applied; // if false we're still accumulating a move
366 qboolean predicted; // if true the sequence should be sent as 0
369 typedef struct lightstyle_s
372 char map[MAX_STYLESTRING];
375 typedef struct scoreboard_s
377 char name[MAX_SCOREBOARDNAME];
379 int colors; // two 4 bit fields
382 char qw_userinfo[MAX_USERINFO_STRING];
388 char qw_skin[MAX_QPATH];
391 typedef struct cshift_s
394 float percent; // 0-256
397 #define CSHIFT_CONTENTS 0
398 #define CSHIFT_DAMAGE 1
399 #define CSHIFT_BONUS 2
400 #define CSHIFT_POWERUP 3
401 #define CSHIFT_VCSHIFT 4
402 #define NUM_CSHIFTS 5
404 #define NAME_LENGTH 64
408 // client_state_t should hold all pieces of the client state
411 #define SIGNONS 4 // signon messages to receive before connected
414 #define MAX_DEMONAME 16
416 typedef enum cactive_e
418 ca_uninitialized, // during early startup
419 ca_dedicated, // a dedicated server with no ability to start a client
420 ca_disconnected, // full screen console with no connection
421 ca_connected // valid netcon, talking to a server
425 typedef enum qw_downloadtype_e
435 typedef enum capturevideoformat_e
437 CAPTUREVIDEOFORMAT_AVI_I420
439 capturevideoformat_t;
441 typedef struct capturevideostate_s
445 // for AVI saving some values have to be written after capture ends
446 fs_offset_t videofile_firstchunkframes_offset;
447 fs_offset_t videofile_totalframes_offset1;
448 fs_offset_t videofile_totalframes_offset2;
449 fs_offset_t videofile_totalsampleframes_offset;
450 int videofile_ix_master_audio_inuse;
451 fs_offset_t videofile_ix_master_audio_inuse_offset;
452 fs_offset_t videofile_ix_master_audio_start_offset;
453 int videofile_ix_master_video_inuse;
454 fs_offset_t videofile_ix_master_video_inuse_offset;
455 fs_offset_t videofile_ix_master_video_start_offset;
456 fs_offset_t videofile_ix_movistart;
461 capturevideoformat_t format;
464 int soundsampleframe; // for AVI saving
465 unsigned char *screenbuffer;
466 unsigned char *outbuffer;
467 sizebuf_t riffbuffer;
468 unsigned char riffbufferdata[128];
469 // note: riffindex buffer has an allocated ->data member, not static like most!
470 sizebuf_t riffindexbuffer;
472 fs_offset_t riffstackstartoffset[4];
473 short rgbtoyuvscaletable[3][3][256];
474 unsigned char yuvnormalizetable[3][256];
480 #define CL_MAX_DOWNLOADACKS 4
482 typedef struct cl_downloadack_s
489 // the client_static_t structure is persistent through an arbitrary number
490 // of server connections
492 typedef struct client_static_s
496 // all client memory allocations go in these pools
497 mempool_t *levelmempool;
498 mempool_t *permanentmempool;
501 // -1 = don't play demos
503 // list of demos in loop
504 char demos[MAX_DEMOS][MAX_DEMONAME];
505 // the actively playing demo (set by CL_PlayDemo_f)
508 // demo recording info must be here, because record is started before
509 // entering a map (and clearing client_state_t)
510 qboolean demorecording;
511 qboolean demoplayback;
513 // -1 = use normal cd track
516 // realtime at second frame of timedemo (LordHavoc: changed to double)
518 int td_frames; // total frames parsed
519 double td_onesecondnexttime;
520 double td_onesecondframes;
521 double td_onesecondminframes;
522 double td_onesecondmaxframes;
523 double td_onesecondavgframes;
524 int td_onesecondavgcount;
525 // LordHavoc: pausedemo
528 qboolean connect_trying;
529 int connect_remainingtries;
530 double connect_nextsendtime;
531 lhnetsocket_t *connect_mysocket;
532 lhnetaddress_t connect_address;
533 // protocol version of the server we're connected to
534 // (kept outside client_state_t because it's used between levels)
535 protocolversion_t protocol;
537 // connection information
540 // network connection
543 // download information
544 // (note: qw_download variables are also used)
545 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
547 // input sequence numbers are not reset on level change, only connect
549 int servermovesequence;
551 // quakeworld stuff below
553 // value of "qport" cvar at time of connection
555 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
556 int qw_incoming_sequence;
557 int qw_outgoing_sequence;
559 // current file download buffer (only saved when file is completed)
560 char qw_downloadname[MAX_QPATH];
561 unsigned char *qw_downloadmemory;
562 int qw_downloadmemorycursize;
563 int qw_downloadmemorymaxsize;
564 int qw_downloadnumber;
565 int qw_downloadpercent;
566 qw_downloadtype_t qw_downloadtype;
567 // transfer rate display
568 double qw_downloadspeedtime;
569 int qw_downloadspeedcount;
570 int qw_downloadspeedrate;
572 // current file upload buffer (for uploading screenshots to server)
573 unsigned char *qw_uploaddata;
578 // this normally contains the following keys in quakeworld:
579 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
580 char userinfo[MAX_USERINFO_STRING];
582 // video capture stuff
583 capturevideostate_t capturevideo;
587 extern client_static_t cls;
589 typedef struct client_movementqueue_s
600 client_movementqueue_t;
606 qboolean drawenginesbar;
607 qboolean drawcrosshair;
612 PARTICLE_BILLBOARD = 0,
614 PARTICLE_ORIENTED_DOUBLESIDED = 2,
627 typedef struct particletype_s
630 porientation_t orientation;
637 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
641 typedef struct decal_s
643 // fields used by rendering: (40 bytes)
644 unsigned short typeindex;
645 unsigned short texnum;
649 float alpha; // 0-255
650 unsigned char color[3];
651 unsigned char unused1;
653 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
654 float time2; // used for decal fade
655 unsigned int owner; // decal stuck to this entity
656 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
657 vec3_t relativeorigin; // decal at this location in entity's coordinate space
658 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
662 typedef struct particle_s
664 // fields used by rendering: (40 bytes)
665 unsigned short typeindex;
666 unsigned short texnum;
668 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
670 float alpha; // 0-255
671 unsigned char color[3];
672 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
674 // fields not used by rendering: (40 bytes)
675 float sizeincrease; // rate of size change per second
676 float alphafade; // how much alpha reduces per second
677 float time2; // used for snow fluttering and decal fade
678 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)
679 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
680 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
681 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
682 float delayedcollisions; // time that p->bounce becomes active
683 float delayedspawn; // time that particle appears and begins moving
684 float die; // time when this particle should be removed, regardless of alpha
688 typedef enum cl_parsingtextmode_e
690 CL_PARSETEXTMODE_NONE,
691 CL_PARSETEXTMODE_PING,
692 CL_PARSETEXTMODE_STATUS,
693 CL_PARSETEXTMODE_STATUS_PLAYERID,
694 CL_PARSETEXTMODE_STATUS_PLAYERIP
696 cl_parsingtextmode_t;
698 typedef struct cl_locnode_s
700 struct cl_locnode_s *next;
706 typedef struct showlmp_s
717 // the client_state_t structure is wiped completely at every
720 typedef struct client_state_s
722 // true if playing in a local game and no one else is connected
725 // send a clc_nop periodically until connected
728 // current input being accumulated by mouse/joystick/etc input
730 // latest moves sent to the server that have not been confirmed yet
731 usercmd_t movecmd[CL_MAX_USERCMDS];
733 // information for local display
735 int stats[MAX_CL_STATS];
736 float *statsf; // points to stats[] array
737 // last known inventory bit flags, for blinking
739 // cl.time of acquiring item, for blinking
740 float item_gettime[32];
741 // last known STAT_ACTIVEWEAPON
743 // cl.time of changing STAT_ACTIVEWEAPON
745 // use pain anim frame if cl.time < this
747 // for stair smoothing
749 double stairsmoothtime;
751 // color shifts for damage, powerups
752 cshift_t cshifts[NUM_CSHIFTS];
754 cshift_t prev_cshifts[NUM_CSHIFTS];
756 // the client maintains its own idea of view angles, which are
757 // sent to the server each frame. The server sets punchangle when
758 // the view is temporarily offset, and an angle reset commands at the start
759 // of each level and after teleporting.
761 // mviewangles is read from demo
762 // viewangles is either client controlled or lerped from mviewangles
763 vec3_t mviewangles[2], viewangles;
764 // update by server, used by qc to do weapon recoil
765 vec3_t mpunchangle[2], punchangle;
766 // update by server, can be used by mods to kick view around
767 vec3_t mpunchvector[2], punchvector;
768 // update by server, used for lean+bob (0 is newest)
769 vec3_t mvelocity[2], velocity;
770 // update by server, can be used by mods for zooming
771 vec_t mviewzoom[2], viewzoom;
772 // if true interpolation the mviewangles and other interpolation of the
773 // player is disabled until the next network packet
774 // this is used primarily by teleporters, and when spectating players
775 // special checking of the old fixangle[1] is used to differentiate
776 // between teleporting and spectating
777 qboolean fixangle[2];
779 // client movement simulation
780 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
781 // set by CL_ClientMovement_Replay functions
782 qboolean movement_predicted;
783 // if true the CL_ClientMovement_Replay function will update origin, etc
784 qboolean movement_replay;
785 // this is set true by svc_time parsing and causes a new movement to be
786 // queued for prediction purposes
787 qboolean movement_needupdate;
788 // timestamps of latest two predicted moves for interpolation
789 double movement_time[4];
790 // simulated data (this is valid even if cl.movement is false)
791 vec3_t movement_origin;
792 vec3_t movement_oldorigin;
793 vec3_t movement_velocity;
794 // queue of proposed moves
795 int movement_numqueue;
796 client_movementqueue_t movement_queue[256];
797 // whether the replay should allow a jump at the first sequence
798 qboolean movement_replay_canjump;
800 // pitch drifting vars
807 //[515]: added for csqc purposes
808 float sensitivityscale;
809 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
810 qboolean csqc_wantsmousemove;
811 struct model_s *csqc_model_precache[MAX_MODELS];
813 // local amount for smoothing stepups
822 qboolean oldonground;
823 double lastongroundtime;
824 double hitgroundtime;
826 // don't change view angle, full screen, etc
828 // latched at intermission start
829 double completed_time;
831 // the timestamp of the last two messages
834 // clients view of time, time should be between mtime[0] and mtime[1] to
835 // generate a lerp point for other data, oldtime is the previous frame's
836 // value of time, frametime is the difference between time and oldtime
837 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
838 // is only forcefully limited when a packet is received
839 double time, oldtime;
840 // how long it has been since the previous client frame in real time
841 // (not game time, for that use cl.time - cl.oldtime)
842 double realframetime;
844 // copy of realtime from last recieved message, for net trouble icon
845 float last_received_message;
847 // information that is static for the entire time connected to a server
848 struct model_s *model_precache[MAX_MODELS];
849 struct sfx_s *sound_precache[MAX_SOUNDS];
851 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
852 char model_name[MAX_MODELS][MAX_QPATH];
853 char sound_name[MAX_SOUNDS][MAX_QPATH];
855 // for display on solo scoreboard
857 // cl_entitites[cl.viewentity] = player
859 // the real player entity (normally same as viewentity,
860 // different than viewentity if mod uses chasecam or other tricks)
861 int realplayerentity;
862 // this is updated to match cl.viewentity whenever it is in the clients
863 // range, basically this is used in preference to cl.realplayerentity for
864 // most purposes because when spectating another player it should show
865 // their information rather than yours
867 // max players that can be in this game
869 // type of game (deathmatch, coop, singleplayer)
872 // models and sounds used by engine code (particularly cl_parse.c)
874 model_t *model_bolt2;
875 model_t *model_bolt3;
878 sfx_t *sfx_knighthit;
884 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
885 qboolean foundtalk2wav;
887 // refresh related state
889 // cl_entitites[0].model
890 struct model_s *worldmodel;
896 int cdtrack, looptrack;
901 scoreboard_t *scores;
903 // keep track of svc_print parsing state (analyzes ping reports and status reports)
904 cl_parsingtextmode_t parsingtextmode;
905 int parsingtextplayerindex;
906 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
907 // (which could eat the wrong ping report if the player issues one
908 // manually, but they would still see a ping report, just a later one
909 // caused by the scoreboard code rather than the one they intentionally
911 int parsingtextexpectingpingforscores;
913 // entity database stuff
914 // latest received entity frame numbers
915 #define LATESTFRAMENUMS 3
916 int latestframenums[LATESTFRAMENUMS];
917 entityframe_database_t *entitydatabase;
918 entityframe4_database_t *entitydatabase4;
919 entityframeqw_database_t *entitydatabaseqw;
921 // keep track of quake entities because they need to be killed if they get stale
923 unsigned char isquakeentity[MAX_EDICTS];
925 // bounding boxes for clientside movement
926 vec3_t playerstandmins;
927 vec3_t playerstandmaxs;
928 vec3_t playercrouchmins;
929 vec3_t playercrouchmaxs;
932 int max_static_entities;
937 int max_brushmodel_entities;
943 unsigned char *entities_active;
944 entity_t *static_entities;
945 cl_effect_t *effects;
948 lightstyle_t *lightstyle;
949 int *brushmodel_entities;
950 particle_t *particles;
955 int num_static_entities;
956 int num_brushmodel_entities;
964 double particles_updatetime;
965 double decals_updatetime;
969 // cl_serverextension_download feature
970 int loadmodel_current;
971 int downloadmodel_current;
973 int loadsound_current;
974 int downloadsound_current;
976 qboolean downloadcsqc;
979 qboolean loadfinished;
983 // local copy of the server infostring
984 char qw_serverinfo[MAX_SERVERINFO_STRING];
986 // time of last qw "pings" command sent to server while showing scores
987 double last_ping_request;
989 // used during connect
992 // updated from serverinfo
995 // unused: indicates whether the player is spectating
996 // use cl.scores[cl.playerentity-1].qw_spectator instead
997 //qboolean qw_spectator;
999 // last time an input packet was sent
1000 double lastpackettime;
1002 // movement parameters for client prediction
1003 float movevars_wallfriction;
1004 float movevars_waterfriction;
1005 float movevars_friction;
1006 float movevars_packetinterval; // in game time (cl.time), not realtime
1007 float movevars_timescale;
1008 float movevars_gravity;
1009 float movevars_stopspeed;
1010 float movevars_maxspeed;
1011 float movevars_spectatormaxspeed;
1012 float movevars_accelerate;
1013 float movevars_airaccelerate;
1014 float movevars_wateraccelerate;
1015 float movevars_entgravity;
1016 float movevars_jumpvelocity;
1017 float movevars_edgefriction;
1018 float movevars_maxairspeed;
1019 float movevars_stepheight;
1020 float movevars_airaccel_qw;
1021 float movevars_airaccel_sideways_friction;
1023 // models used by qw protocol
1024 int qw_modelindex_spike;
1025 int qw_modelindex_player;
1026 int qw_modelindex_flag;
1027 int qw_modelindex_s_explod;
1029 vec3_t qw_intermission_origin;
1030 vec3_t qw_intermission_angles;
1032 // 255 is the most nails the QW protocol could send
1034 vec_t qw_nails[255][6];
1036 float qw_weaponkick;
1038 int qw_validsequence;
1040 int qw_deltasequence[QW_UPDATE_BACKUP];
1043 // server entity number corresponding to a clientside entity
1044 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1045 qboolean csqc_loaded;
1048 qboolean csqc_usecsqclistener;
1049 matrix4x4_t csqc_listenermatrix;
1050 char csqc_printtextbuf[MAX_INPUTLINE];
1052 // collision culling data
1055 // loc file stuff (points and boxes describing locations in the level)
1056 cl_locnode_t *locnodes;
1057 // this is updated to cl.movement_origin whenever health is < 1
1058 // used by %d print in say/say_team messages if cl_locs_enable is on
1059 vec3_t lastdeathorigin;
1061 // processing buffer used by R_BuildLightMap, reallocated as needed,
1062 // freed on each level change
1063 size_t buildlightmapmemorysize;
1064 unsigned char *buildlightmapmemory;
1071 extern cvar_t cl_name;
1072 extern cvar_t cl_color;
1073 extern cvar_t cl_rate;
1074 extern cvar_t cl_pmodel;
1075 extern cvar_t cl_playermodel;
1076 extern cvar_t cl_playerskin;
1078 extern cvar_t rcon_password;
1079 extern cvar_t rcon_address;
1081 extern cvar_t cl_upspeed;
1082 extern cvar_t cl_forwardspeed;
1083 extern cvar_t cl_backspeed;
1084 extern cvar_t cl_sidespeed;
1086 extern cvar_t cl_movespeedkey;
1088 extern cvar_t cl_yawspeed;
1089 extern cvar_t cl_pitchspeed;
1091 extern cvar_t cl_anglespeedkey;
1093 extern cvar_t cl_autofire;
1095 extern cvar_t cl_shownet;
1096 extern cvar_t cl_nolerp;
1097 extern cvar_t cl_nettimesyncfactor;
1098 extern cvar_t cl_nettimesyncboundmode;
1099 extern cvar_t cl_nettimesyncboundtolerance;
1101 extern cvar_t cl_pitchdriftspeed;
1102 extern cvar_t lookspring;
1103 extern cvar_t lookstrafe;
1104 extern cvar_t sensitivity;
1106 extern cvar_t freelook;
1108 extern cvar_t m_pitch;
1109 extern cvar_t m_yaw;
1110 extern cvar_t m_forward;
1111 extern cvar_t m_side;
1113 extern cvar_t cl_autodemo;
1114 extern cvar_t cl_autodemo_nameformat;
1116 extern cvar_t r_draweffects;
1118 extern cvar_t cl_explosions_alpha_start;
1119 extern cvar_t cl_explosions_alpha_end;
1120 extern cvar_t cl_explosions_size_start;
1121 extern cvar_t cl_explosions_size_end;
1122 extern cvar_t cl_explosions_lifetime;
1123 extern cvar_t cl_stainmaps;
1124 extern cvar_t cl_stainmaps_clearonload;
1126 extern cvar_t cl_prydoncursor;
1128 extern cvar_t cl_locs_enable;
1130 extern client_state_t cl;
1132 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);
1134 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1135 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1137 //=============================================================================
1143 void CL_Shutdown (void);
1144 void CL_Init (void);
1146 void CL_EstablishConnection(const char *host);
1148 void CL_Disconnect (void);
1149 void CL_Disconnect_f (void);
1151 void CL_UpdateRenderEntity(entity_render_t *ent);
1152 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1153 void CL_UpdateViewEntities(void);
1158 typedef struct kbutton_s
1160 int down[2]; // key nums holding it down
1161 int state; // low bit is down state
1165 extern kbutton_t in_mlook, in_klook;
1166 extern kbutton_t in_strafe;
1167 extern kbutton_t in_speed;
1169 void CL_InitInput (void);
1170 void CL_SendMove (void);
1172 void CL_ValidateState(entity_state_t *s);
1173 void CL_MoveLerpEntityStates(entity_t *ent);
1174 void CL_LerpUpdate(entity_t *e);
1175 void CL_ParseTEnt (void);
1176 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1177 void CL_RelinkBeams (void);
1178 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1179 void CL_ClientMovement_Replay(void);
1181 void CL_ClearTempEntities (void);
1182 entity_render_t *CL_NewTempEntity (void);
1184 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1186 void CL_ClearState (void);
1187 void CL_ExpandEntities(int num);
1188 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1191 void CL_UpdateWorld (void);
1192 void CL_WriteToServer (void);
1193 void CL_Input (void);
1194 extern int cl_ignoremousemoves;
1197 float CL_KeyState (kbutton_t *key);
1198 const char *Key_KeynumToString (int keynum);
1199 int Key_StringToKeynum (const char *str);
1204 void CL_StopPlayback(void);
1205 void CL_ReadDemoMessage(void);
1206 void CL_WriteDemoMessage(sizebuf_t *mesage);
1208 void CL_NextDemo(void);
1209 void CL_Stop_f(void);
1210 void CL_Record_f(void);
1211 void CL_PlayDemo_f(void);
1212 void CL_TimeDemo_f(void);
1217 void CL_Parse_Init(void);
1218 void CL_Parse_Shutdown(void);
1219 void CL_ParseServerMessage(void);
1220 void CL_Parse_DumpPacket(void);
1221 void CL_Parse_ErrorCleanUp(void);
1222 void QW_CL_StartUpload(unsigned char *data, int size);
1223 extern cvar_t qport;
1228 void V_StartPitchDrift (void);
1229 void V_StopPitchDrift (void);
1232 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1233 void V_UpdateBlends (void);
1234 void V_ParseDamage (void);
1240 extern cvar_t cl_particles;
1241 extern cvar_t cl_particles_quality;
1242 extern cvar_t cl_particles_size;
1243 extern cvar_t cl_particles_quake;
1244 extern cvar_t cl_particles_blood;
1245 extern cvar_t cl_particles_blood_alpha;
1246 extern cvar_t cl_particles_blood_bloodhack;
1247 extern cvar_t cl_particles_bulletimpacts;
1248 extern cvar_t cl_particles_explosions_sparks;
1249 extern cvar_t cl_particles_explosions_shell;
1250 extern cvar_t cl_particles_rain;
1251 extern cvar_t cl_particles_snow;
1252 extern cvar_t cl_particles_smoke;
1253 extern cvar_t cl_particles_smoke_alpha;
1254 extern cvar_t cl_particles_smoke_alphafade;
1255 extern cvar_t cl_particles_sparks;
1256 extern cvar_t cl_particles_bubbles;
1257 extern cvar_t cl_decals;
1258 extern cvar_t cl_decals_time;
1259 extern cvar_t cl_decals_fadetime;
1261 void CL_Particles_Clear(void);
1262 void CL_Particles_Init(void);
1263 void CL_Particles_Shutdown(void);
1265 typedef enum effectnameindex_s
1269 EFFECT_TE_GUNSHOTQUAD,
1271 EFFECT_TE_SPIKEQUAD,
1272 EFFECT_TE_SUPERSPIKE,
1273 EFFECT_TE_SUPERSPIKEQUAD,
1275 EFFECT_TE_KNIGHTSPIKE,
1276 EFFECT_TE_EXPLOSION,
1277 EFFECT_TE_EXPLOSIONQUAD,
1278 EFFECT_TE_TAREXPLOSION,
1280 EFFECT_TE_LAVASPLASH,
1281 EFFECT_TE_SMALLFLASH,
1286 EFFECT_TE_PLASMABURN,
1288 EFFECT_TE_TEI_SMOKE,
1289 EFFECT_TE_TEI_BIGEXPLOSION,
1290 EFFECT_TE_TEI_PLASMAHIT,
1296 EFFECT_TR_SLIGHTBLOOD,
1297 EFFECT_TR_KNIGHTSPIKE,
1298 EFFECT_TR_VORESPIKE,
1299 EFFECT_TR_NEHAHRASMOKE,
1300 EFFECT_TR_NEXUIZPLASMA,
1301 EFFECT_TR_GLOWTRAIL,
1302 EFFECT_SVC_PARTICLE,
1307 int CL_ParticleEffectIndexForName(const char *name);
1308 const char *CL_ParticleEffectNameForIndex(int i);
1309 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);
1310 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);
1311 void CL_ParseParticleEffect (void);
1312 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);
1313 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1314 void CL_EntityParticles (const entity_t *ent);
1315 void CL_ParticleExplosion (const vec3_t org);
1316 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1317 void R_NewExplosion(const vec3_t org);
1319 void Debug_PolygonBegin(const char *picname, int flags);
1320 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1321 void Debug_PolygonEnd(void);
1323 #include "cl_screen.h"
1325 extern qboolean sb_showscores;
1327 float FogPoint_World(const vec3_t p);
1328 float FogPoint_Model(const vec3_t p);
1329 float FogForDistance(vec_t dist);
1331 typedef struct r_refdef_stats_s
1335 int entities_surfaces;
1336 int entities_triangles;
1340 int world_triangles;
1341 int lightmapupdates;
1342 int lightmapupdatepixels;
1346 int meshes_elements;
1349 int lights_scissored;
1350 int lights_lighttriangles;
1351 int lights_shadowtriangles;
1352 int lights_dynamicshadowtriangles;
1354 int bloom_copypixels;
1355 int bloom_drawpixels;
1359 typedef struct r_refdef_view_s
1361 // view information (changes multiple times per frame)
1362 // if any of these variables change then r_refdef.viewcache must be regenerated
1363 // by calling R_View_Update
1364 // (which also updates viewport, scissor, colormask)
1366 // it is safe and expected to copy this into a structure on the stack and
1367 // call the renderer recursively, then restore from the stack afterward
1368 // (as long as R_View_Update is called)
1370 // eye position information
1371 matrix4x4_t matrix, inverse_matrix;
1377 int numfrustumplanes;
1378 mplane_t frustum[6];
1379 qboolean useclipplane;
1380 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1382 float frustum_x, frustum_y;
1383 vec3_t frustumcorner[4];
1384 // if turned off it renders an ortho view
1386 float ortho_x, ortho_y;
1388 // screen area to render in
1396 // which color components to allow (for anaglyph glasses)
1399 // global RGB color multiplier for rendering, this is required by HDR
1402 // whether to call R_ClearScreen before rendering stuff
1405 // whether to draw r_showtris and such, this is only true for the main
1406 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1407 // distortion effects, etc) omit such debugging information
1410 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1414 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1419 typedef struct r_refdef_viewcache_s
1421 // these properties are generated by R_View_Update()
1423 // which entities are currently visible for this viewpoint
1424 // (the used range is 0...r_refdef.scene.numentities)
1425 unsigned char entityvisible[MAX_EDICTS];
1426 // flag arrays used for visibility checking on world model
1427 // (all other entities have no per-surface/per-leaf visibility checks)
1428 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1429 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1430 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1431 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1432 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1433 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1434 // if true, the view is currently in a leaf without pvs data
1435 qboolean world_novis;
1437 r_refdef_viewcache_t;
1439 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1440 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1441 typedef struct r_refdef_scene_s {
1442 // whether to call S_ExtraUpdate during render to reduce sound chop
1443 qboolean extraupdate;
1445 // (client gameworld) time for rendering time based effects
1449 entity_render_t *worldentity;
1451 // same as worldentity->model
1452 model_t *worldmodel;
1454 // renderable entities (excluding world)
1455 entity_render_t **entities;
1459 // field of temporary entities that is reset each (client) frame
1460 entity_render_t *tempentities;
1461 int numtempentities;
1462 int maxtempentities;
1464 // renderable dynamic lights
1465 rtlight_t lights[MAX_DLIGHTS];
1468 // intensities for light styles right now, controls rtlights
1469 float rtlightstylevalue[256]; // float fraction of base light value
1470 // 8.8bit fixed point intensities for light styles
1471 // controls intensity lightmap layers
1472 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1475 typedef struct r_refdef_s
1477 // these fields define the basic rendering information for the world
1478 // but not the view, which could change multiple times in one rendered
1479 // frame (for example when rendering textures for certain effects)
1481 // these are set for water warping before
1482 // frustum_x/frustum_y are calculated
1483 float frustumscale_x, frustumscale_y;
1485 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1486 r_refdef_view_t view;
1487 r_refdef_viewcache_t viewcache;
1489 // minimum visible distance (pixels closer than this disappear)
1491 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1492 // in 32bpp an infinite-farclip matrix is used instead)
1495 // fullscreen color blend
1498 r_refdef_scene_t scene;
1502 vec_t fograngerecip;
1503 vec_t fogmasktabledistmultiplier;
1504 #define FOGMASKTABLEWIDTH 1024
1505 float fogmasktable[FOGMASKTABLEWIDTH];
1506 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1514 qboolean fogenabled;
1515 qboolean oldgl_fogenable;
1517 qboolean draw2dstage;
1519 // true during envmap command capture
1522 // brightness of world lightmaps and related lighting
1523 // (often reduced when world rtlights are enabled)
1524 float lightmapintensity;
1525 // whether to draw world lights realtime, dlights realtime, and their shadows
1527 qboolean rtworldshadows;
1529 qboolean rtdlightshadows;
1530 float polygonfactor;
1531 float polygonoffset;
1532 float shadowpolygonfactor;
1533 float shadowpolygonoffset;
1535 // rendering stats for r_speeds display
1536 // (these are incremented in many places)
1537 r_refdef_stats_t stats;
1541 extern r_refdef_t r_refdef;