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 predicted
31 #define CL_MAX_USERCMDS 256
33 // flags for rtlight rendering
34 #define LIGHTFLAG_NORMALMODE 1
35 #define LIGHTFLAG_REALTIMEMODE 2
37 typedef struct effect_s
46 // these are for interpolation
56 // draw this as lightning polygons, or a model?
58 struct model_s *model;
64 typedef struct rtlight_s
66 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
68 // note that the world to light matrices are inversely scaled (divided) by lightradius
71 // matrix for transforming light filter coordinates to world coordinates
72 matrix4x4_t matrix_lighttoworld;
73 // matrix for transforming world coordinates to light filter coordinates
74 matrix4x4_t matrix_worldtolight;
75 // typically 1 1 1, can be lower (dim) or higher (overbright)
77 // size of the light (remove?)
81 // light style to monitor for brightness
83 // whether light should render shadows
85 // intensity of corona to render
87 // radius scale of corona to render (1.0 means same as light radius)
88 vec_t coronasizescale;
89 // ambient intensity to render
91 // diffuse intensity to render
93 // specular intensity to render
98 // generated properties
99 // used only for shadow volumes
106 // squared cullradius
109 // rendering properties, updated each time a light is rendered
110 // this is rtlight->color * d_lightstylevalue
112 // used by corona updates, due to occlusion query
113 float corona_visibility;
114 unsigned int corona_queryindex_visiblepixels;
115 unsigned int corona_queryindex_allpixels;
116 // this is R_Shadow_Cubemap(rtlight->cubemapname)
117 rtexture_t *currentcubemap;
120 // true if this light should be compiled as a static light
122 // true if this is a compiled world light, cleared if the light changes
124 // premade shadow volumes to render for world entity
125 shadowmesh_t *static_meshchain_shadow_zpass;
126 shadowmesh_t *static_meshchain_shadow_zfail;
127 // used for visibility testing (more exact than bbox)
129 int static_numleafpvsbytes;
130 int *static_leaflist;
131 unsigned char *static_leafpvs;
132 // surfaces seen by light
133 int static_numsurfaces;
134 int *static_surfacelist;
135 // flag bits indicating which triangles of the world model should cast
136 // shadows, and which ones should be lit
138 // this avoids redundantly scanning the triangles in each surface twice
139 // for whether they should cast shadows, once in culling and once in the
140 // actual shadowmarklist production.
141 int static_numshadowtrispvsbytes;
142 unsigned char *static_shadowtrispvs;
143 // this allows the lighting batch code to skip backfaces andother culled
144 // triangles not relevant for lighting
145 // (important on big surfaces such as terrain)
146 int static_numlighttrispvsbytes;
147 unsigned char *static_lighttrispvs;
151 typedef struct dlight_s
153 // destroy light after this time
156 // the entity that owns this light (can be NULL)
158 struct entity_render_s *ent;
160 // (worldlight: saved to .rtlights file)
162 // worldlight orientation
164 // (worldlight: saved to .rtlights file)
166 // dlight orientation/scaling/location
170 // (worldlight: saved to .rtlights file)
172 // cubemap name to use on this light
173 // (worldlight: saved to .rtlights file)
174 char cubemapname[64];
175 // make light flash while selected
178 // brightness (not really radius anymore)
179 // (worldlight: saved to .rtlights file)
181 // drop intensity this much each second
184 // intensity value which is dropped over time
187 // initial values for intensity to modify
191 // light style which controls intensity of this light
192 // (worldlight: saved to .rtlights file)
195 // (worldlight: saved to .rtlights file)
198 // (worldlight: saved to .rtlights file)
200 // radius scale of corona to render (1.0 means same as light radius)
201 // (worldlight: saved to .rtlights file)
202 vec_t coronasizescale;
203 // ambient intensity to render
204 // (worldlight: saved to .rtlights file)
206 // diffuse intensity to render
207 // (worldlight: saved to .rtlights file)
209 // specular intensity to render
210 // (worldlight: saved to .rtlights file)
213 // (worldlight: saved to .rtlights file)
215 // linked list of world lights
217 struct dlight_s *next;
218 // embedded rtlight struct for renderer
224 typedef struct frameblend_s
231 // LordHavoc: this struct is intended for the renderer but some fields are
232 // used by the client.
234 // The renderer should not rely on any changes to this struct to be persistent
235 // across multiple frames because temp entities are wiped every frame, but it
236 // is acceptable to cache things in this struct that are not critical.
238 // For example the r_cullentities_trace code does such caching.
239 typedef struct entity_render_s
245 // transform matrix for model to world
247 // transform matrix for world to model
248 matrix4x4_t inversematrix;
249 // opacity (alpha) of the model
251 // size the model is shown
256 // number of the entity represents, or 0 for non-network entities
258 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
259 vec3_t colormap_pantscolor;
260 vec3_t colormap_shirtcolor;
261 // light, particles, etc
263 // qw CTF flags and other internal-use-only effect bits
270 // colormod tinting of models
273 // interpolated animation
275 // frame that the model is interpolating from
277 // frame that the model is interpolating to
279 // interpolation factor, usually computed from frame2time
281 // time frame1 began playing (for framegroup animations)
283 // time frame2 began playing (for framegroup animations)
285 // time of last model change (for shader animations)
288 // calculated by the renderer (but not persistent)
290 // calculated during R_AddModelEntities
292 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
293 frameblend_t frameblend[4];
295 // current lighting from map (updated ONLY by client code, not renderer)
296 vec3_t modellight_ambient;
297 vec3_t modellight_diffuse; // q3bsp
298 vec3_t modellight_lightdir; // q3bsp
300 // FIELDS UPDATED BY RENDERER:
301 // last time visible during trace culling
302 double last_trace_visibility;
306 typedef struct entity_persistent_s
312 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
314 // muzzleflash fading
317 // interpolated movement
319 // start time of move
321 // time difference from start to end of move
323 // the move itself, start and end
331 typedef struct entity_s
333 // baseline state (default values)
334 entity_state_t state_baseline;
335 // previous state (interpolating from this)
336 entity_state_t state_previous;
337 // current state (interpolating to this)
338 entity_state_t state_current;
340 // used for regenerating parts of render
341 entity_persistent_t persistent;
343 // the only data the renderer should know about
344 entity_render_t render;
348 typedef struct usercmd_s
352 // intended velocities
357 vec3_t cursor_screen;
360 vec3_t cursor_impact;
361 vec3_t cursor_normal;
362 vec_t cursor_fraction;
363 int cursor_entitynumber;
365 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
366 double receivetime; // time the move was received at
367 double clienttime; // time to which server state the move corresponds to
368 int msec; // for predicted moves
372 qboolean applied; // if false we're still accumulating a move
373 qboolean predicted; // if true the sequence should be sent as 0
375 // derived properties
382 typedef struct lightstyle_s
385 char map[MAX_STYLESTRING];
388 typedef struct scoreboard_s
390 char name[MAX_SCOREBOARDNAME];
392 int colors; // two 4 bit fields
395 char qw_userinfo[MAX_USERINFO_STRING];
401 char qw_skin[MAX_QPATH];
404 typedef struct cshift_s
407 float percent; // 0-255
408 float alphafade; // (any speed)
411 #define CSHIFT_CONTENTS 0
412 #define CSHIFT_DAMAGE 1
413 #define CSHIFT_BONUS 2
414 #define CSHIFT_POWERUP 3
415 #define CSHIFT_VCSHIFT 4
416 #define NUM_CSHIFTS 5
418 #define NAME_LENGTH 64
422 // client_state_t should hold all pieces of the client state
425 #define SIGNONS 4 // signon messages to receive before connected
428 #define MAX_DEMONAME 16
430 typedef enum cactive_e
432 ca_uninitialized, // during early startup
433 ca_dedicated, // a dedicated server with no ability to start a client
434 ca_disconnected, // full screen console with no connection
435 ca_connected // valid netcon, talking to a server
439 typedef enum qw_downloadtype_e
449 typedef enum capturevideoformat_e
451 CAPTUREVIDEOFORMAT_AVI_I420
453 capturevideoformat_t;
455 typedef struct capturevideostate_s
459 // for AVI saving some values have to be written after capture ends
460 fs_offset_t videofile_firstchunkframes_offset;
461 fs_offset_t videofile_totalframes_offset1;
462 fs_offset_t videofile_totalframes_offset2;
463 fs_offset_t videofile_totalsampleframes_offset;
464 int videofile_ix_master_audio_inuse;
465 fs_offset_t videofile_ix_master_audio_inuse_offset;
466 fs_offset_t videofile_ix_master_audio_start_offset;
467 int videofile_ix_master_video_inuse;
468 fs_offset_t videofile_ix_master_video_inuse_offset;
469 fs_offset_t videofile_ix_master_video_start_offset;
470 fs_offset_t videofile_ix_movistart;
471 fs_offset_t position;
477 capturevideoformat_t format;
480 int soundsampleframe; // for AVI saving
481 unsigned char *screenbuffer;
482 unsigned char *outbuffer;
483 sizebuf_t riffbuffer;
484 unsigned char riffbufferdata[128];
485 // note: riffindex buffer has an allocated ->data member, not static like most!
486 sizebuf_t riffindexbuffer;
488 fs_offset_t riffstackstartoffset[4];
489 fs_offset_t riffstacksizehint[4];
490 const char *riffstackfourcc[4];
491 short rgbtoyuvscaletable[3][3][256];
492 unsigned char yuvnormalizetable[3][256];
498 #define CL_MAX_DOWNLOADACKS 4
500 typedef struct cl_downloadack_s
506 typedef struct cl_soundstats_s
510 int latency_milliseconds;
515 // the client_static_t structure is persistent through an arbitrary number
516 // of server connections
518 typedef struct client_static_s
522 // all client memory allocations go in these pools
523 mempool_t *levelmempool;
524 mempool_t *permanentmempool;
527 // -1 = don't play demos
529 // list of demos in loop
530 char demos[MAX_DEMOS][MAX_DEMONAME];
531 // the actively playing demo (set by CL_PlayDemo_f)
532 char demoname[MAX_QPATH];
534 // demo recording info must be here, because record is started before
535 // entering a map (and clearing client_state_t)
536 qboolean demorecording;
537 fs_offset_t demo_lastcsprogssize;
538 int demo_lastcsprogscrc;
539 qboolean demoplayback;
541 // -1 = use normal cd track
544 // realtime at second frame of timedemo (LordHavoc: changed to double)
546 int td_frames; // total frames parsed
547 double td_onesecondnexttime;
548 double td_onesecondframes;
549 double td_onesecondrealtime;
550 double td_onesecondminfps;
551 double td_onesecondmaxfps;
552 double td_onesecondavgfps;
553 int td_onesecondavgcount;
554 // LordHavoc: pausedemo
557 // sound mixer statistics for showsound display
558 cl_soundstats_t soundstats;
560 qboolean connect_trying;
561 int connect_remainingtries;
562 double connect_nextsendtime;
563 lhnetsocket_t *connect_mysocket;
564 lhnetaddress_t connect_address;
565 // protocol version of the server we're connected to
566 // (kept outside client_state_t because it's used between levels)
567 protocolversion_t protocol;
569 // connection information
572 // network connection
575 // download information
576 // (note: qw_download variables are also used)
577 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
579 // input sequence numbers are not reset on level change, only connect
581 int servermovesequence;
583 // quakeworld stuff below
585 // value of "qport" cvar at time of connection
587 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
588 int qw_incoming_sequence;
589 int qw_outgoing_sequence;
591 // current file download buffer (only saved when file is completed)
592 char qw_downloadname[MAX_QPATH];
593 unsigned char *qw_downloadmemory;
594 int qw_downloadmemorycursize;
595 int qw_downloadmemorymaxsize;
596 int qw_downloadnumber;
597 int qw_downloadpercent;
598 qw_downloadtype_t qw_downloadtype;
599 // transfer rate display
600 double qw_downloadspeedtime;
601 int qw_downloadspeedcount;
602 int qw_downloadspeedrate;
603 qboolean qw_download_deflate;
605 // current file upload buffer (for uploading screenshots to server)
606 unsigned char *qw_uploaddata;
611 // this normally contains the following keys in quakeworld:
612 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
613 char userinfo[MAX_USERINFO_STRING];
615 // video capture stuff
616 capturevideostate_t capturevideo;
620 extern client_static_t cls;
622 typedef struct client_movementqueue_s
633 client_movementqueue_t;
639 qboolean drawenginesbar;
640 qboolean drawcrosshair;
645 PARTICLE_BILLBOARD = 0,
647 PARTICLE_ORIENTED_DOUBLESIDED = 2,
649 PARTICLE_INVALID = -1
662 typedef struct particletype_s
665 porientation_t orientation;
672 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
676 typedef struct decal_s
678 // fields used by rendering: (40 bytes)
679 unsigned short typeindex;
680 unsigned short texnum;
684 float alpha; // 0-255
685 unsigned char color[3];
686 unsigned char unused1;
688 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
689 float time2; // used for decal fade
690 unsigned int owner; // decal stuck to this entity
691 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
692 vec3_t relativeorigin; // decal at this location in entity's coordinate space
693 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
697 typedef struct particle_s
699 // fields used by rendering: (40 bytes)
700 unsigned char typeindex;
702 porientation_t orientation;
703 unsigned char texnum;
705 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
707 float alpha; // 0-255
708 unsigned char color[3];
709 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
710 float stretch; // only for sparks
712 // fields not used by rendering: (40 bytes)
713 float sizeincrease; // rate of size change per second
714 float alphafade; // how much alpha reduces per second
715 float time2; // used for snow fluttering and decal fade
716 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)
717 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
718 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
719 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
720 float delayedcollisions; // time that p->bounce becomes active
721 float delayedspawn; // time that particle appears and begins moving
722 float die; // time when this particle should be removed, regardless of alpha
726 typedef enum cl_parsingtextmode_e
728 CL_PARSETEXTMODE_NONE,
729 CL_PARSETEXTMODE_PING,
730 CL_PARSETEXTMODE_STATUS,
731 CL_PARSETEXTMODE_STATUS_PLAYERID,
732 CL_PARSETEXTMODE_STATUS_PLAYERIP
734 cl_parsingtextmode_t;
736 typedef struct cl_locnode_s
738 struct cl_locnode_s *next;
744 typedef struct showlmp_s
755 // the client_state_t structure is wiped completely at every
758 typedef struct client_state_s
760 // true if playing in a local game and no one else is connected
763 // send a clc_nop periodically until connected
766 // current input being accumulated by mouse/joystick/etc input
768 // latest moves sent to the server that have not been confirmed yet
769 usercmd_t movecmd[CL_MAX_USERCMDS];
771 // information for local display
773 int stats[MAX_CL_STATS];
774 float *statsf; // points to stats[] array
775 // last known inventory bit flags, for blinking
777 // cl.time of acquiring item, for blinking
778 float item_gettime[32];
779 // last known STAT_ACTIVEWEAPON
781 // cl.time of changing STAT_ACTIVEWEAPON
783 // use pain anim frame if cl.time < this
785 // for stair smoothing
787 double stairsmoothtime;
789 // color shifts for damage, powerups
790 cshift_t cshifts[NUM_CSHIFTS];
792 cshift_t prev_cshifts[NUM_CSHIFTS];
794 // the client maintains its own idea of view angles, which are
795 // sent to the server each frame. The server sets punchangle when
796 // the view is temporarily offset, and an angle reset commands at the start
797 // of each level and after teleporting.
799 // mviewangles is read from demo
800 // viewangles is either client controlled or lerped from mviewangles
801 vec3_t mviewangles[2], viewangles;
802 // update by server, used by qc to do weapon recoil
803 vec3_t mpunchangle[2], punchangle;
804 // update by server, can be used by mods to kick view around
805 vec3_t mpunchvector[2], punchvector;
806 // update by server, used for lean+bob (0 is newest)
807 vec3_t mvelocity[2], velocity;
808 // update by server, can be used by mods for zooming
809 vec_t mviewzoom[2], viewzoom;
810 // if true interpolation the mviewangles and other interpolation of the
811 // player is disabled until the next network packet
812 // this is used primarily by teleporters, and when spectating players
813 // special checking of the old fixangle[1] is used to differentiate
814 // between teleporting and spectating
815 qboolean fixangle[2];
817 // client movement simulation
818 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
819 // set by CL_ClientMovement_Replay functions
820 qboolean movement_predicted;
821 // if true the CL_ClientMovement_Replay function will update origin, etc
822 qboolean movement_replay;
823 // simulated data (this is valid even if cl.movement is false)
824 vec3_t movement_origin;
825 vec3_t movement_velocity;
826 // whether the replay should allow a jump at the first sequence
827 qboolean movement_replay_canjump;
829 // pitch drifting vars
836 //[515]: added for csqc purposes
837 float sensitivityscale;
838 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
839 qboolean csqc_wantsmousemove;
840 struct model_s *csqc_model_precache[MAX_MODELS];
842 // local amount for smoothing stepups
851 qboolean oldonground;
852 double lastongroundtime;
853 double hitgroundtime;
855 // don't change view angle, full screen, etc
857 // latched at intermission start
858 double completed_time;
860 // the timestamp of the last two messages
863 // clients view of time, time should be between mtime[0] and mtime[1] to
864 // generate a lerp point for other data, oldtime is the previous frame's
865 // value of time, frametime is the difference between time and oldtime
866 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
867 // is only forcefully limited when a packet is received
868 double time, oldtime;
869 // how long it has been since the previous client frame in real time
870 // (not game time, for that use cl.time - cl.oldtime)
871 double realframetime;
873 // copy of realtime from last recieved message, for net trouble icon
874 float last_received_message;
876 // information that is static for the entire time connected to a server
877 struct model_s *model_precache[MAX_MODELS];
878 struct sfx_s *sound_precache[MAX_SOUNDS];
880 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
881 char model_name[MAX_MODELS][MAX_QPATH];
882 char sound_name[MAX_SOUNDS][MAX_QPATH];
884 // for display on solo scoreboard
886 // cl_entitites[cl.viewentity] = player
888 // the real player entity (normally same as viewentity,
889 // different than viewentity if mod uses chasecam or other tricks)
890 int realplayerentity;
891 // this is updated to match cl.viewentity whenever it is in the clients
892 // range, basically this is used in preference to cl.realplayerentity for
893 // most purposes because when spectating another player it should show
894 // their information rather than yours
896 // max players that can be in this game
898 // type of game (deathmatch, coop, singleplayer)
901 // models and sounds used by engine code (particularly cl_parse.c)
902 dp_model_t *model_bolt;
903 dp_model_t *model_bolt2;
904 dp_model_t *model_bolt3;
905 dp_model_t *model_beam;
907 sfx_t *sfx_knighthit;
913 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
914 qboolean foundtalk2wav;
916 // refresh related state
918 // cl_entitites[0].model
919 struct model_s *worldmodel;
925 int cdtrack, looptrack;
930 scoreboard_t *scores;
932 // keep track of svc_print parsing state (analyzes ping reports and status reports)
933 cl_parsingtextmode_t parsingtextmode;
934 int parsingtextplayerindex;
935 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
936 // (which could eat the wrong ping report if the player issues one
937 // manually, but they would still see a ping report, just a later one
938 // caused by the scoreboard code rather than the one they intentionally
940 int parsingtextexpectingpingforscores;
942 // entity database stuff
943 // latest received entity frame numbers
944 #define LATESTFRAMENUMS 3
945 int latestframenums[LATESTFRAMENUMS];
946 entityframe_database_t *entitydatabase;
947 entityframe4_database_t *entitydatabase4;
948 entityframeqw_database_t *entitydatabaseqw;
950 // keep track of quake entities because they need to be killed if they get stale
952 unsigned char isquakeentity[MAX_EDICTS];
954 // bounding boxes for clientside movement
955 vec3_t playerstandmins;
956 vec3_t playerstandmaxs;
957 vec3_t playercrouchmins;
958 vec3_t playercrouchmaxs;
961 int max_static_entities;
966 int max_brushmodel_entities;
972 unsigned char *entities_active;
973 entity_t *static_entities;
974 cl_effect_t *effects;
977 lightstyle_t *lightstyle;
978 int *brushmodel_entities;
979 particle_t *particles;
984 int num_static_entities;
985 int num_brushmodel_entities;
993 double particles_updatetime;
994 double decals_updatetime;
998 // cl_serverextension_download feature
999 int loadmodel_current;
1000 int downloadmodel_current;
1001 int loadmodel_total;
1002 int loadsound_current;
1003 int downloadsound_current;
1004 int loadsound_total;
1005 qboolean downloadcsqc;
1008 qboolean loadfinished;
1012 // local copy of the server infostring
1013 char qw_serverinfo[MAX_SERVERINFO_STRING];
1015 // time of last qw "pings" command sent to server while showing scores
1016 double last_ping_request;
1018 // used during connect
1021 // updated from serverinfo
1024 // unused: indicates whether the player is spectating
1025 // use cl.scores[cl.playerentity-1].qw_spectator instead
1026 //qboolean qw_spectator;
1028 // last time an input packet was sent
1029 double lastpackettime;
1031 // movement parameters for client prediction
1032 float movevars_wallfriction;
1033 float movevars_waterfriction;
1034 float movevars_friction;
1035 float movevars_timescale;
1036 float movevars_gravity;
1037 float movevars_stopspeed;
1038 float movevars_maxspeed;
1039 float movevars_spectatormaxspeed;
1040 float movevars_accelerate;
1041 float movevars_airaccelerate;
1042 float movevars_wateraccelerate;
1043 float movevars_entgravity;
1044 float movevars_jumpvelocity;
1045 float movevars_edgefriction;
1046 float movevars_maxairspeed;
1047 float movevars_stepheight;
1048 float movevars_airaccel_qw;
1049 float movevars_airaccel_sideways_friction;
1051 // models used by qw protocol
1052 int qw_modelindex_spike;
1053 int qw_modelindex_player;
1054 int qw_modelindex_flag;
1055 int qw_modelindex_s_explod;
1057 vec3_t qw_intermission_origin;
1058 vec3_t qw_intermission_angles;
1060 // 255 is the most nails the QW protocol could send
1062 vec_t qw_nails[255][6];
1064 float qw_weaponkick;
1066 int qw_validsequence;
1068 int qw_deltasequence[QW_UPDATE_BACKUP];
1071 // server entity number corresponding to a clientside entity
1072 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1073 qboolean csqc_loaded;
1076 qboolean csqc_usecsqclistener;
1077 matrix4x4_t csqc_listenermatrix;
1078 char csqc_printtextbuf[MAX_INPUTLINE];
1080 // collision culling data
1083 // loc file stuff (points and boxes describing locations in the level)
1084 cl_locnode_t *locnodes;
1085 // this is updated to cl.movement_origin whenever health is < 1
1086 // used by %d print in say/say_team messages if cl_locs_enable is on
1087 vec3_t lastdeathorigin;
1089 // processing buffer used by R_BuildLightMap, reallocated as needed,
1090 // freed on each level change
1091 size_t buildlightmapmemorysize;
1092 unsigned char *buildlightmapmemory;
1099 extern cvar_t cl_name;
1100 extern cvar_t cl_color;
1101 extern cvar_t cl_rate;
1102 extern cvar_t cl_pmodel;
1103 extern cvar_t cl_playermodel;
1104 extern cvar_t cl_playerskin;
1106 extern cvar_t rcon_password;
1107 extern cvar_t rcon_address;
1109 extern cvar_t cl_upspeed;
1110 extern cvar_t cl_forwardspeed;
1111 extern cvar_t cl_backspeed;
1112 extern cvar_t cl_sidespeed;
1114 extern cvar_t cl_movespeedkey;
1116 extern cvar_t cl_yawspeed;
1117 extern cvar_t cl_pitchspeed;
1119 extern cvar_t cl_anglespeedkey;
1121 extern cvar_t cl_autofire;
1123 extern cvar_t cl_shownet;
1124 extern cvar_t cl_nolerp;
1125 extern cvar_t cl_nettimesyncfactor;
1126 extern cvar_t cl_nettimesyncboundmode;
1127 extern cvar_t cl_nettimesyncboundtolerance;
1129 extern cvar_t cl_pitchdriftspeed;
1130 extern cvar_t lookspring;
1131 extern cvar_t lookstrafe;
1132 extern cvar_t sensitivity;
1134 extern cvar_t freelook;
1136 extern cvar_t m_pitch;
1137 extern cvar_t m_yaw;
1138 extern cvar_t m_forward;
1139 extern cvar_t m_side;
1141 extern cvar_t cl_autodemo;
1142 extern cvar_t cl_autodemo_nameformat;
1144 extern cvar_t r_draweffects;
1146 extern cvar_t cl_explosions_alpha_start;
1147 extern cvar_t cl_explosions_alpha_end;
1148 extern cvar_t cl_explosions_size_start;
1149 extern cvar_t cl_explosions_size_end;
1150 extern cvar_t cl_explosions_lifetime;
1151 extern cvar_t cl_stainmaps;
1152 extern cvar_t cl_stainmaps_clearonload;
1154 extern cvar_t cl_prydoncursor;
1156 extern cvar_t cl_locs_enable;
1158 extern client_state_t cl;
1160 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);
1162 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1163 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1165 //=============================================================================
1171 void CL_Shutdown (void);
1172 void CL_Init (void);
1174 void CL_EstablishConnection(const char *host);
1176 void CL_Disconnect (void);
1177 void CL_Disconnect_f (void);
1179 void CL_UpdateRenderEntity(entity_render_t *ent);
1180 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1181 void CL_UpdateViewEntities(void);
1186 typedef struct kbutton_s
1188 int down[2]; // key nums holding it down
1189 int state; // low bit is down state
1193 extern kbutton_t in_mlook, in_klook;
1194 extern kbutton_t in_strafe;
1195 extern kbutton_t in_speed;
1197 void CL_InitInput (void);
1198 void CL_SendMove (void);
1200 void CL_ValidateState(entity_state_t *s);
1201 void CL_MoveLerpEntityStates(entity_t *ent);
1202 void CL_LerpUpdate(entity_t *e);
1203 void CL_ParseTEnt (void);
1204 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1205 void CL_RelinkBeams (void);
1206 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1207 void CL_ClientMovement_Replay(void);
1209 void CL_ClearTempEntities (void);
1210 entity_render_t *CL_NewTempEntity (double shadertime);
1212 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1214 void CL_ClearState (void);
1215 void CL_ExpandEntities(int num);
1216 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1219 void CL_UpdateWorld (void);
1220 void CL_WriteToServer (void);
1221 void CL_Input (void);
1222 extern int cl_ignoremousemoves;
1225 float CL_KeyState (kbutton_t *key);
1226 const char *Key_KeynumToString (int keynum);
1227 int Key_StringToKeynum (const char *str);
1232 void CL_StopPlayback(void);
1233 void CL_ReadDemoMessage(void);
1234 void CL_WriteDemoMessage(sizebuf_t *mesage);
1236 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1237 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1239 void CL_NextDemo(void);
1240 void CL_Stop_f(void);
1241 void CL_Record_f(void);
1242 void CL_PlayDemo_f(void);
1243 void CL_TimeDemo_f(void);
1248 void CL_Parse_Init(void);
1249 void CL_Parse_Shutdown(void);
1250 void CL_ParseServerMessage(void);
1251 void CL_Parse_DumpPacket(void);
1252 void CL_Parse_ErrorCleanUp(void);
1253 void QW_CL_StartUpload(unsigned char *data, int size);
1254 extern cvar_t qport;
1259 void V_StartPitchDrift (void);
1260 void V_StopPitchDrift (void);
1263 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1264 void V_UpdateBlends (void);
1265 void V_ParseDamage (void);
1271 extern cvar_t cl_particles;
1272 extern cvar_t cl_particles_quality;
1273 extern cvar_t cl_particles_size;
1274 extern cvar_t cl_particles_quake;
1275 extern cvar_t cl_particles_blood;
1276 extern cvar_t cl_particles_blood_alpha;
1277 extern cvar_t cl_particles_blood_bloodhack;
1278 extern cvar_t cl_particles_bulletimpacts;
1279 extern cvar_t cl_particles_explosions_sparks;
1280 extern cvar_t cl_particles_explosions_shell;
1281 extern cvar_t cl_particles_rain;
1282 extern cvar_t cl_particles_snow;
1283 extern cvar_t cl_particles_smoke;
1284 extern cvar_t cl_particles_smoke_alpha;
1285 extern cvar_t cl_particles_smoke_alphafade;
1286 extern cvar_t cl_particles_sparks;
1287 extern cvar_t cl_particles_bubbles;
1288 extern cvar_t cl_decals;
1289 extern cvar_t cl_decals_time;
1290 extern cvar_t cl_decals_fadetime;
1292 void CL_Particles_Clear(void);
1293 void CL_Particles_Init(void);
1294 void CL_Particles_Shutdown(void);
1296 typedef enum effectnameindex_s
1300 EFFECT_TE_GUNSHOTQUAD,
1302 EFFECT_TE_SPIKEQUAD,
1303 EFFECT_TE_SUPERSPIKE,
1304 EFFECT_TE_SUPERSPIKEQUAD,
1306 EFFECT_TE_KNIGHTSPIKE,
1307 EFFECT_TE_EXPLOSION,
1308 EFFECT_TE_EXPLOSIONQUAD,
1309 EFFECT_TE_TAREXPLOSION,
1311 EFFECT_TE_LAVASPLASH,
1312 EFFECT_TE_SMALLFLASH,
1317 EFFECT_TE_PLASMABURN,
1319 EFFECT_TE_TEI_SMOKE,
1320 EFFECT_TE_TEI_BIGEXPLOSION,
1321 EFFECT_TE_TEI_PLASMAHIT,
1327 EFFECT_TR_SLIGHTBLOOD,
1328 EFFECT_TR_KNIGHTSPIKE,
1329 EFFECT_TR_VORESPIKE,
1330 EFFECT_TR_NEHAHRASMOKE,
1331 EFFECT_TR_NEXUIZPLASMA,
1332 EFFECT_TR_GLOWTRAIL,
1333 EFFECT_SVC_PARTICLE,
1338 int CL_ParticleEffectIndexForName(const char *name);
1339 const char *CL_ParticleEffectNameForIndex(int i);
1340 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);
1341 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);
1342 void CL_ParseParticleEffect (void);
1343 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);
1344 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1345 void CL_EntityParticles (const entity_t *ent);
1346 void CL_ParticleExplosion (const vec3_t org);
1347 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1348 void R_NewExplosion(const vec3_t org);
1350 void Debug_PolygonBegin(const char *picname, int flags);
1351 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1352 void Debug_PolygonEnd(void);
1354 #include "cl_screen.h"
1356 extern qboolean sb_showscores;
1358 float FogPoint_World(const vec3_t p);
1359 float FogPoint_Model(const vec3_t p);
1360 float FogForDistance(vec_t dist);
1362 typedef struct r_refdef_stats_s
1366 int entities_surfaces;
1367 int entities_triangles;
1371 int world_triangles;
1372 int lightmapupdates;
1373 int lightmapupdatepixels;
1377 int meshes_elements;
1380 int lights_scissored;
1381 int lights_lighttriangles;
1382 int lights_shadowtriangles;
1383 int lights_dynamicshadowtriangles;
1385 int bloom_copypixels;
1386 int bloom_drawpixels;
1390 typedef struct r_refdef_view_s
1392 // view information (changes multiple times per frame)
1393 // if any of these variables change then r_refdef.viewcache must be regenerated
1394 // by calling R_View_Update
1395 // (which also updates viewport, scissor, colormask)
1397 // it is safe and expected to copy this into a structure on the stack and
1398 // call the renderer recursively, then restore from the stack afterward
1399 // (as long as R_View_Update is called)
1401 // eye position information
1402 matrix4x4_t matrix, inverse_matrix;
1408 int numfrustumplanes;
1409 mplane_t frustum[6];
1410 qboolean useclipplane;
1411 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1413 float frustum_x, frustum_y;
1414 vec3_t frustumcorner[4];
1415 // if turned off it renders an ortho view
1417 float ortho_x, ortho_y;
1419 // screen area to render in
1427 // which color components to allow (for anaglyph glasses)
1430 // global RGB color multiplier for rendering, this is required by HDR
1433 // whether to call R_ClearScreen before rendering stuff
1435 // if true, don't clear or do any post process effects (bloom, etc)
1438 // whether to draw r_showtris and such, this is only true for the main
1439 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1440 // distortion effects, etc) omit such debugging information
1443 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1447 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1452 typedef struct r_refdef_viewcache_s
1454 // these properties are generated by R_View_Update()
1456 // which entities are currently visible for this viewpoint
1457 // (the used range is 0...r_refdef.scene.numentities)
1458 unsigned char entityvisible[MAX_EDICTS];
1459 // flag arrays used for visibility checking on world model
1460 // (all other entities have no per-surface/per-leaf visibility checks)
1461 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1462 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1463 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1464 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1465 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1466 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1467 // if true, the view is currently in a leaf without pvs data
1468 qboolean world_novis;
1470 r_refdef_viewcache_t;
1472 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1473 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1474 typedef struct r_refdef_scene_s {
1475 // whether to call S_ExtraUpdate during render to reduce sound chop
1476 qboolean extraupdate;
1478 // (client gameworld) time for rendering time based effects
1482 entity_render_t *worldentity;
1484 // same as worldentity->model
1485 dp_model_t *worldmodel;
1487 // renderable entities (excluding world)
1488 entity_render_t **entities;
1492 // field of temporary entities that is reset each (client) frame
1493 entity_render_t *tempentities;
1494 int numtempentities;
1495 int maxtempentities;
1497 // renderable dynamic lights
1498 rtlight_t *lights[MAX_DLIGHTS];
1499 rtlight_t templights[MAX_DLIGHTS];
1502 // intensities for light styles right now, controls rtlights
1503 float rtlightstylevalue[256]; // float fraction of base light value
1504 // 8.8bit fixed point intensities for light styles
1505 // controls intensity lightmap layers
1506 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1511 qboolean rtworldshadows;
1513 qboolean rtdlightshadows;
1516 typedef struct r_refdef_s
1518 // these fields define the basic rendering information for the world
1519 // but not the view, which could change multiple times in one rendered
1520 // frame (for example when rendering textures for certain effects)
1522 // these are set for water warping before
1523 // frustum_x/frustum_y are calculated
1524 float frustumscale_x, frustumscale_y;
1526 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1527 r_refdef_view_t view;
1528 r_refdef_viewcache_t viewcache;
1530 // minimum visible distance (pixels closer than this disappear)
1532 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1533 // in 32bpp an infinite-farclip matrix is used instead)
1536 // fullscreen color blend
1539 r_refdef_scene_t scene;
1543 vec_t fograngerecip;
1544 vec_t fogmasktabledistmultiplier;
1545 #define FOGMASKTABLEWIDTH 1024
1546 float fogmasktable[FOGMASKTABLEWIDTH];
1547 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1555 qboolean fogenabled;
1556 qboolean oldgl_fogenable;
1558 qboolean draw2dstage;
1560 // true during envmap command capture
1563 // brightness of world lightmaps and related lighting
1564 // (often reduced when world rtlights are enabled)
1565 float lightmapintensity;
1566 // whether to draw world lights realtime, dlights realtime, and their shadows
1567 float polygonfactor;
1568 float polygonoffset;
1569 float shadowpolygonfactor;
1570 float shadowpolygonoffset;
1572 // rendering stats for r_speeds display
1573 // (these are incremented in many places)
1574 r_refdef_stats_t stats;
1578 extern r_refdef_t r_refdef;