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;
126 // used for visibility testing (more exact than bbox)
128 int static_numleafpvsbytes;
129 int *static_leaflist;
130 unsigned char *static_leafpvs;
131 // surfaces seen by light
132 int static_numsurfaces;
133 int *static_surfacelist;
134 // flag bits indicating which triangles of the world model should cast
135 // shadows, and which ones should be lit
137 // this avoids redundantly scanning the triangles in each surface twice
138 // for whether they should cast shadows, once in culling and once in the
139 // actual shadowmarklist production.
140 int static_numshadowtrispvsbytes;
141 unsigned char *static_shadowtrispvs;
142 // this allows the lighting batch code to skip backfaces andother culled
143 // triangles not relevant for lighting
144 // (important on big surfaces such as terrain)
145 int static_numlighttrispvsbytes;
146 unsigned char *static_lighttrispvs;
150 typedef struct dlight_s
152 // destroy light after this time
155 // the entity that owns this light (can be NULL)
157 struct entity_render_s *ent;
159 // (worldlight: saved to .rtlights file)
161 // worldlight orientation
163 // (worldlight: saved to .rtlights file)
165 // dlight orientation/scaling/location
169 // (worldlight: saved to .rtlights file)
171 // cubemap name to use on this light
172 // (worldlight: saved to .rtlights file)
173 char cubemapname[64];
174 // make light flash while selected
177 // brightness (not really radius anymore)
178 // (worldlight: saved to .rtlights file)
180 // drop intensity this much each second
183 // intensity value which is dropped over time
186 // initial values for intensity to modify
190 // light style which controls intensity of this light
191 // (worldlight: saved to .rtlights file)
194 // (worldlight: saved to .rtlights file)
197 // (worldlight: saved to .rtlights file)
199 // radius scale of corona to render (1.0 means same as light radius)
200 // (worldlight: saved to .rtlights file)
201 vec_t coronasizescale;
202 // ambient intensity to render
203 // (worldlight: saved to .rtlights file)
205 // diffuse intensity to render
206 // (worldlight: saved to .rtlights file)
208 // specular intensity to render
209 // (worldlight: saved to .rtlights file)
212 // (worldlight: saved to .rtlights file)
214 // linked list of world lights
216 struct dlight_s *next;
217 // embedded rtlight struct for renderer
223 typedef struct frameblend_s
230 // LordHavoc: this struct is intended for the renderer but some fields are
231 // used by the client.
233 // The renderer should not rely on any changes to this struct to be persistent
234 // across multiple frames because temp entities are wiped every frame, but it
235 // is acceptable to cache things in this struct that are not critical.
237 // For example the r_cullentities_trace code does such caching.
238 typedef struct entity_render_s
244 // transform matrix for model to world
246 // transform matrix for world to model
247 matrix4x4_t inversematrix;
248 // opacity (alpha) of the model
250 // size the model is shown
255 // number of the entity represents, or 0 for non-network entities
257 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
258 vec3_t colormap_pantscolor;
259 vec3_t colormap_shirtcolor;
260 // light, particles, etc
262 // qw CTF flags and other internal-use-only effect bits
269 // colormod tinting of models
272 // interpolated animation
274 // frame that the model is interpolating from
276 // frame that the model is interpolating to
278 // interpolation factor, usually computed from frame2time
280 // time frame1 began playing (for framegroup animations)
282 // time frame2 began playing (for framegroup animations)
285 // calculated by the renderer (but not persistent)
287 // calculated during R_AddModelEntities
289 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
290 frameblend_t frameblend[4];
292 // current lighting from map (updated ONLY by client code, not renderer)
293 vec3_t modellight_ambient;
294 vec3_t modellight_diffuse; // q3bsp
295 vec3_t modellight_lightdir; // q3bsp
297 // FIELDS UPDATED BY RENDERER:
298 // last time visible during trace culling
299 double last_trace_visibility;
303 typedef struct entity_persistent_s
309 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
311 // muzzleflash fading
314 // interpolated movement
316 // start time of move
318 // time difference from start to end of move
320 // the move itself, start and end
328 typedef struct entity_s
330 // baseline state (default values)
331 entity_state_t state_baseline;
332 // previous state (interpolating from this)
333 entity_state_t state_previous;
334 // current state (interpolating to this)
335 entity_state_t state_current;
337 // used for regenerating parts of render
338 entity_persistent_t persistent;
340 // the only data the renderer should know about
341 entity_render_t render;
345 typedef struct usercmd_s
349 // intended velocities
354 vec3_t cursor_screen;
357 vec3_t cursor_impact;
358 vec3_t cursor_normal;
359 vec_t cursor_fraction;
360 int cursor_entitynumber;
362 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
363 double receivetime; // time the move was received at
364 double clienttime; // time to which server state the move corresponds to
365 int msec; // for predicted moves
369 qboolean applied; // if false we're still accumulating a move
370 qboolean predicted; // if true the sequence should be sent as 0
372 // derived properties
379 typedef struct lightstyle_s
382 char map[MAX_STYLESTRING];
385 typedef struct scoreboard_s
387 char name[MAX_SCOREBOARDNAME];
389 int colors; // two 4 bit fields
392 char qw_userinfo[MAX_USERINFO_STRING];
398 char qw_skin[MAX_QPATH];
401 typedef struct cshift_s
404 float percent; // 0-255
405 float alphafade; // (any speed)
408 #define CSHIFT_CONTENTS 0
409 #define CSHIFT_DAMAGE 1
410 #define CSHIFT_BONUS 2
411 #define CSHIFT_POWERUP 3
412 #define CSHIFT_VCSHIFT 4
413 #define NUM_CSHIFTS 5
415 #define NAME_LENGTH 64
419 // client_state_t should hold all pieces of the client state
422 #define SIGNONS 4 // signon messages to receive before connected
425 #define MAX_DEMONAME 16
427 typedef enum cactive_e
429 ca_uninitialized, // during early startup
430 ca_dedicated, // a dedicated server with no ability to start a client
431 ca_disconnected, // full screen console with no connection
432 ca_connected // valid netcon, talking to a server
436 typedef enum qw_downloadtype_e
446 typedef enum capturevideoformat_e
448 CAPTUREVIDEOFORMAT_AVI_I420
450 capturevideoformat_t;
452 typedef struct capturevideostate_s
456 // for AVI saving some values have to be written after capture ends
457 fs_offset_t videofile_firstchunkframes_offset;
458 fs_offset_t videofile_totalframes_offset1;
459 fs_offset_t videofile_totalframes_offset2;
460 fs_offset_t videofile_totalsampleframes_offset;
461 int videofile_ix_master_audio_inuse;
462 fs_offset_t videofile_ix_master_audio_inuse_offset;
463 fs_offset_t videofile_ix_master_audio_start_offset;
464 int videofile_ix_master_video_inuse;
465 fs_offset_t videofile_ix_master_video_inuse_offset;
466 fs_offset_t videofile_ix_master_video_start_offset;
467 fs_offset_t videofile_ix_movistart;
468 fs_offset_t position;
474 capturevideoformat_t format;
477 int soundsampleframe; // for AVI saving
478 unsigned char *screenbuffer;
479 unsigned char *outbuffer;
480 sizebuf_t riffbuffer;
481 unsigned char riffbufferdata[128];
482 // note: riffindex buffer has an allocated ->data member, not static like most!
483 sizebuf_t riffindexbuffer;
485 fs_offset_t riffstackstartoffset[4];
486 fs_offset_t riffstacksizehint[4];
487 const char *riffstackfourcc[4];
488 short rgbtoyuvscaletable[3][3][256];
489 unsigned char yuvnormalizetable[3][256];
495 #define CL_MAX_DOWNLOADACKS 4
497 typedef struct cl_downloadack_s
503 typedef struct cl_soundstats_s
507 int latency_milliseconds;
512 // the client_static_t structure is persistent through an arbitrary number
513 // of server connections
515 typedef struct client_static_s
519 // all client memory allocations go in these pools
520 mempool_t *levelmempool;
521 mempool_t *permanentmempool;
524 // -1 = don't play demos
526 // list of demos in loop
527 char demos[MAX_DEMOS][MAX_DEMONAME];
528 // the actively playing demo (set by CL_PlayDemo_f)
529 char demoname[MAX_QPATH];
531 // demo recording info must be here, because record is started before
532 // entering a map (and clearing client_state_t)
533 qboolean demorecording;
534 fs_offset_t demo_lastcsprogssize;
535 int demo_lastcsprogscrc;
536 qboolean demoplayback;
538 // -1 = use normal cd track
541 // realtime at second frame of timedemo (LordHavoc: changed to double)
543 int td_frames; // total frames parsed
544 double td_onesecondnexttime;
545 double td_onesecondframes;
546 double td_onesecondrealtime;
547 double td_onesecondminfps;
548 double td_onesecondmaxfps;
549 double td_onesecondavgfps;
550 int td_onesecondavgcount;
551 // LordHavoc: pausedemo
554 // sound mixer statistics for showsound display
555 cl_soundstats_t soundstats;
557 qboolean connect_trying;
558 int connect_remainingtries;
559 double connect_nextsendtime;
560 lhnetsocket_t *connect_mysocket;
561 lhnetaddress_t connect_address;
562 // protocol version of the server we're connected to
563 // (kept outside client_state_t because it's used between levels)
564 protocolversion_t protocol;
566 // connection information
569 // network connection
572 // download information
573 // (note: qw_download variables are also used)
574 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
576 // input sequence numbers are not reset on level change, only connect
578 int servermovesequence;
580 // quakeworld stuff below
582 // value of "qport" cvar at time of connection
584 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
585 int qw_incoming_sequence;
586 int qw_outgoing_sequence;
588 // current file download buffer (only saved when file is completed)
589 char qw_downloadname[MAX_QPATH];
590 unsigned char *qw_downloadmemory;
591 int qw_downloadmemorycursize;
592 int qw_downloadmemorymaxsize;
593 int qw_downloadnumber;
594 int qw_downloadpercent;
595 qw_downloadtype_t qw_downloadtype;
596 // transfer rate display
597 double qw_downloadspeedtime;
598 int qw_downloadspeedcount;
599 int qw_downloadspeedrate;
600 qboolean qw_download_deflate;
602 // current file upload buffer (for uploading screenshots to server)
603 unsigned char *qw_uploaddata;
608 // this normally contains the following keys in quakeworld:
609 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
610 char userinfo[MAX_USERINFO_STRING];
612 // video capture stuff
613 capturevideostate_t capturevideo;
617 extern client_static_t cls;
619 typedef struct client_movementqueue_s
630 client_movementqueue_t;
636 qboolean drawenginesbar;
637 qboolean drawcrosshair;
642 PARTICLE_BILLBOARD = 0,
644 PARTICLE_ORIENTED_DOUBLESIDED = 2,
646 PARTICLE_INVALID = -1
659 typedef struct particletype_s
662 porientation_t orientation;
669 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
673 typedef struct decal_s
675 // fields used by rendering: (40 bytes)
676 unsigned short typeindex;
677 unsigned short texnum;
681 float alpha; // 0-255
682 unsigned char color[3];
683 unsigned char unused1;
685 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
686 float time2; // used for decal fade
687 unsigned int owner; // decal stuck to this entity
688 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
689 vec3_t relativeorigin; // decal at this location in entity's coordinate space
690 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
694 typedef struct particle_s
696 // fields used by rendering: (40 bytes)
697 unsigned char typeindex;
699 porientation_t orientation;
700 unsigned char texnum;
702 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
704 float alpha; // 0-255
705 unsigned char color[3];
706 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
707 float stretch; // only for sparks
709 // fields not used by rendering: (40 bytes)
710 float sizeincrease; // rate of size change per second
711 float alphafade; // how much alpha reduces per second
712 float time2; // used for snow fluttering and decal fade
713 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)
714 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
715 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
716 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
717 float delayedcollisions; // time that p->bounce becomes active
718 float delayedspawn; // time that particle appears and begins moving
719 float die; // time when this particle should be removed, regardless of alpha
723 typedef enum cl_parsingtextmode_e
725 CL_PARSETEXTMODE_NONE,
726 CL_PARSETEXTMODE_PING,
727 CL_PARSETEXTMODE_STATUS,
728 CL_PARSETEXTMODE_STATUS_PLAYERID,
729 CL_PARSETEXTMODE_STATUS_PLAYERIP
731 cl_parsingtextmode_t;
733 typedef struct cl_locnode_s
735 struct cl_locnode_s *next;
741 typedef struct showlmp_s
752 // the client_state_t structure is wiped completely at every
755 typedef struct client_state_s
757 // true if playing in a local game and no one else is connected
760 // send a clc_nop periodically until connected
763 // current input being accumulated by mouse/joystick/etc input
765 // latest moves sent to the server that have not been confirmed yet
766 usercmd_t movecmd[CL_MAX_USERCMDS];
768 // information for local display
770 int stats[MAX_CL_STATS];
771 float *statsf; // points to stats[] array
772 // last known inventory bit flags, for blinking
774 // cl.time of acquiring item, for blinking
775 float item_gettime[32];
776 // last known STAT_ACTIVEWEAPON
778 // cl.time of changing STAT_ACTIVEWEAPON
780 // use pain anim frame if cl.time < this
782 // for stair smoothing
784 double stairsmoothtime;
786 // color shifts for damage, powerups
787 cshift_t cshifts[NUM_CSHIFTS];
789 cshift_t prev_cshifts[NUM_CSHIFTS];
791 // the client maintains its own idea of view angles, which are
792 // sent to the server each frame. The server sets punchangle when
793 // the view is temporarily offset, and an angle reset commands at the start
794 // of each level and after teleporting.
796 // mviewangles is read from demo
797 // viewangles is either client controlled or lerped from mviewangles
798 vec3_t mviewangles[2], viewangles;
799 // update by server, used by qc to do weapon recoil
800 vec3_t mpunchangle[2], punchangle;
801 // update by server, can be used by mods to kick view around
802 vec3_t mpunchvector[2], punchvector;
803 // update by server, used for lean+bob (0 is newest)
804 vec3_t mvelocity[2], velocity;
805 // update by server, can be used by mods for zooming
806 vec_t mviewzoom[2], viewzoom;
807 // if true interpolation the mviewangles and other interpolation of the
808 // player is disabled until the next network packet
809 // this is used primarily by teleporters, and when spectating players
810 // special checking of the old fixangle[1] is used to differentiate
811 // between teleporting and spectating
812 qboolean fixangle[2];
814 // client movement simulation
815 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
816 // set by CL_ClientMovement_Replay functions
817 qboolean movement_predicted;
818 // if true the CL_ClientMovement_Replay function will update origin, etc
819 qboolean movement_replay;
820 // simulated data (this is valid even if cl.movement is false)
821 vec3_t movement_origin;
822 vec3_t movement_velocity;
823 // whether the replay should allow a jump at the first sequence
824 qboolean movement_replay_canjump;
826 // pitch drifting vars
833 //[515]: added for csqc purposes
834 float sensitivityscale;
835 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
836 qboolean csqc_wantsmousemove;
837 struct model_s *csqc_model_precache[MAX_MODELS];
839 // local amount for smoothing stepups
848 qboolean oldonground;
849 double lastongroundtime;
850 double hitgroundtime;
852 // don't change view angle, full screen, etc
854 // latched at intermission start
855 double completed_time;
857 // the timestamp of the last two messages
860 // clients view of time, time should be between mtime[0] and mtime[1] to
861 // generate a lerp point for other data, oldtime is the previous frame's
862 // value of time, frametime is the difference between time and oldtime
863 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
864 // is only forcefully limited when a packet is received
865 double time, oldtime;
866 // how long it has been since the previous client frame in real time
867 // (not game time, for that use cl.time - cl.oldtime)
868 double realframetime;
870 // copy of realtime from last recieved message, for net trouble icon
871 float last_received_message;
873 // information that is static for the entire time connected to a server
874 struct model_s *model_precache[MAX_MODELS];
875 struct sfx_s *sound_precache[MAX_SOUNDS];
877 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
878 char model_name[MAX_MODELS][MAX_QPATH];
879 char sound_name[MAX_SOUNDS][MAX_QPATH];
881 // for display on solo scoreboard
883 // cl_entitites[cl.viewentity] = player
885 // the real player entity (normally same as viewentity,
886 // different than viewentity if mod uses chasecam or other tricks)
887 int realplayerentity;
888 // this is updated to match cl.viewentity whenever it is in the clients
889 // range, basically this is used in preference to cl.realplayerentity for
890 // most purposes because when spectating another player it should show
891 // their information rather than yours
893 // max players that can be in this game
895 // type of game (deathmatch, coop, singleplayer)
898 // models and sounds used by engine code (particularly cl_parse.c)
899 dp_model_t *model_bolt;
900 dp_model_t *model_bolt2;
901 dp_model_t *model_bolt3;
902 dp_model_t *model_beam;
904 sfx_t *sfx_knighthit;
910 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
911 qboolean foundtalk2wav;
913 // refresh related state
915 // cl_entitites[0].model
916 struct model_s *worldmodel;
922 int cdtrack, looptrack;
927 scoreboard_t *scores;
929 // keep track of svc_print parsing state (analyzes ping reports and status reports)
930 cl_parsingtextmode_t parsingtextmode;
931 int parsingtextplayerindex;
932 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
933 // (which could eat the wrong ping report if the player issues one
934 // manually, but they would still see a ping report, just a later one
935 // caused by the scoreboard code rather than the one they intentionally
937 int parsingtextexpectingpingforscores;
939 // entity database stuff
940 // latest received entity frame numbers
941 #define LATESTFRAMENUMS 3
942 int latestframenums[LATESTFRAMENUMS];
943 entityframe_database_t *entitydatabase;
944 entityframe4_database_t *entitydatabase4;
945 entityframeqw_database_t *entitydatabaseqw;
947 // keep track of quake entities because they need to be killed if they get stale
949 unsigned char isquakeentity[MAX_EDICTS];
951 // bounding boxes for clientside movement
952 vec3_t playerstandmins;
953 vec3_t playerstandmaxs;
954 vec3_t playercrouchmins;
955 vec3_t playercrouchmaxs;
958 int max_static_entities;
963 int max_brushmodel_entities;
969 unsigned char *entities_active;
970 entity_t *static_entities;
971 cl_effect_t *effects;
974 lightstyle_t *lightstyle;
975 int *brushmodel_entities;
976 particle_t *particles;
981 int num_static_entities;
982 int num_brushmodel_entities;
990 double particles_updatetime;
991 double decals_updatetime;
995 // cl_serverextension_download feature
996 int loadmodel_current;
997 int downloadmodel_current;
999 int loadsound_current;
1000 int downloadsound_current;
1001 int loadsound_total;
1002 qboolean downloadcsqc;
1005 qboolean loadfinished;
1009 // local copy of the server infostring
1010 char qw_serverinfo[MAX_SERVERINFO_STRING];
1012 // time of last qw "pings" command sent to server while showing scores
1013 double last_ping_request;
1015 // used during connect
1018 // updated from serverinfo
1021 // unused: indicates whether the player is spectating
1022 // use cl.scores[cl.playerentity-1].qw_spectator instead
1023 //qboolean qw_spectator;
1025 // last time an input packet was sent
1026 double lastpackettime;
1028 // movement parameters for client prediction
1029 float movevars_wallfriction;
1030 float movevars_waterfriction;
1031 float movevars_friction;
1032 float movevars_timescale;
1033 float movevars_gravity;
1034 float movevars_stopspeed;
1035 float movevars_maxspeed;
1036 float movevars_spectatormaxspeed;
1037 float movevars_accelerate;
1038 float movevars_airaccelerate;
1039 float movevars_wateraccelerate;
1040 float movevars_entgravity;
1041 float movevars_jumpvelocity;
1042 float movevars_edgefriction;
1043 float movevars_maxairspeed;
1044 float movevars_stepheight;
1045 float movevars_airaccel_qw;
1046 float movevars_airaccel_sideways_friction;
1048 // models used by qw protocol
1049 int qw_modelindex_spike;
1050 int qw_modelindex_player;
1051 int qw_modelindex_flag;
1052 int qw_modelindex_s_explod;
1054 vec3_t qw_intermission_origin;
1055 vec3_t qw_intermission_angles;
1057 // 255 is the most nails the QW protocol could send
1059 vec_t qw_nails[255][6];
1061 float qw_weaponkick;
1063 int qw_validsequence;
1065 int qw_deltasequence[QW_UPDATE_BACKUP];
1068 // server entity number corresponding to a clientside entity
1069 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1070 qboolean csqc_loaded;
1073 qboolean csqc_usecsqclistener;
1074 matrix4x4_t csqc_listenermatrix;
1075 char csqc_printtextbuf[MAX_INPUTLINE];
1077 // collision culling data
1080 // loc file stuff (points and boxes describing locations in the level)
1081 cl_locnode_t *locnodes;
1082 // this is updated to cl.movement_origin whenever health is < 1
1083 // used by %d print in say/say_team messages if cl_locs_enable is on
1084 vec3_t lastdeathorigin;
1086 // processing buffer used by R_BuildLightMap, reallocated as needed,
1087 // freed on each level change
1088 size_t buildlightmapmemorysize;
1089 unsigned char *buildlightmapmemory;
1096 extern cvar_t cl_name;
1097 extern cvar_t cl_color;
1098 extern cvar_t cl_rate;
1099 extern cvar_t cl_pmodel;
1100 extern cvar_t cl_playermodel;
1101 extern cvar_t cl_playerskin;
1103 extern cvar_t rcon_password;
1104 extern cvar_t rcon_address;
1106 extern cvar_t cl_upspeed;
1107 extern cvar_t cl_forwardspeed;
1108 extern cvar_t cl_backspeed;
1109 extern cvar_t cl_sidespeed;
1111 extern cvar_t cl_movespeedkey;
1113 extern cvar_t cl_yawspeed;
1114 extern cvar_t cl_pitchspeed;
1116 extern cvar_t cl_anglespeedkey;
1118 extern cvar_t cl_autofire;
1120 extern cvar_t cl_shownet;
1121 extern cvar_t cl_nolerp;
1122 extern cvar_t cl_nettimesyncfactor;
1123 extern cvar_t cl_nettimesyncboundmode;
1124 extern cvar_t cl_nettimesyncboundtolerance;
1126 extern cvar_t cl_pitchdriftspeed;
1127 extern cvar_t lookspring;
1128 extern cvar_t lookstrafe;
1129 extern cvar_t sensitivity;
1131 extern cvar_t freelook;
1133 extern cvar_t m_pitch;
1134 extern cvar_t m_yaw;
1135 extern cvar_t m_forward;
1136 extern cvar_t m_side;
1138 extern cvar_t cl_autodemo;
1139 extern cvar_t cl_autodemo_nameformat;
1141 extern cvar_t r_draweffects;
1143 extern cvar_t cl_explosions_alpha_start;
1144 extern cvar_t cl_explosions_alpha_end;
1145 extern cvar_t cl_explosions_size_start;
1146 extern cvar_t cl_explosions_size_end;
1147 extern cvar_t cl_explosions_lifetime;
1148 extern cvar_t cl_stainmaps;
1149 extern cvar_t cl_stainmaps_clearonload;
1151 extern cvar_t cl_prydoncursor;
1153 extern cvar_t cl_locs_enable;
1155 extern client_state_t cl;
1157 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);
1159 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1160 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1162 //=============================================================================
1168 void CL_Shutdown (void);
1169 void CL_Init (void);
1171 void CL_EstablishConnection(const char *host);
1173 void CL_Disconnect (void);
1174 void CL_Disconnect_f (void);
1176 void CL_UpdateRenderEntity(entity_render_t *ent);
1177 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1178 void CL_UpdateViewEntities(void);
1183 typedef struct kbutton_s
1185 int down[2]; // key nums holding it down
1186 int state; // low bit is down state
1190 extern kbutton_t in_mlook, in_klook;
1191 extern kbutton_t in_strafe;
1192 extern kbutton_t in_speed;
1194 void CL_InitInput (void);
1195 void CL_SendMove (void);
1197 void CL_ValidateState(entity_state_t *s);
1198 void CL_MoveLerpEntityStates(entity_t *ent);
1199 void CL_LerpUpdate(entity_t *e);
1200 void CL_ParseTEnt (void);
1201 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1202 void CL_RelinkBeams (void);
1203 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1204 void CL_ClientMovement_Replay(void);
1206 void CL_ClearTempEntities (void);
1207 entity_render_t *CL_NewTempEntity (void);
1209 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1211 void CL_ClearState (void);
1212 void CL_ExpandEntities(int num);
1213 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1216 void CL_UpdateWorld (void);
1217 void CL_WriteToServer (void);
1218 void CL_Input (void);
1219 extern int cl_ignoremousemoves;
1222 float CL_KeyState (kbutton_t *key);
1223 const char *Key_KeynumToString (int keynum);
1224 int Key_StringToKeynum (const char *str);
1229 void CL_StopPlayback(void);
1230 void CL_ReadDemoMessage(void);
1231 void CL_WriteDemoMessage(sizebuf_t *mesage);
1233 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1234 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1236 void CL_NextDemo(void);
1237 void CL_Stop_f(void);
1238 void CL_Record_f(void);
1239 void CL_PlayDemo_f(void);
1240 void CL_TimeDemo_f(void);
1245 void CL_Parse_Init(void);
1246 void CL_Parse_Shutdown(void);
1247 void CL_ParseServerMessage(void);
1248 void CL_Parse_DumpPacket(void);
1249 void CL_Parse_ErrorCleanUp(void);
1250 void QW_CL_StartUpload(unsigned char *data, int size);
1251 extern cvar_t qport;
1256 void V_StartPitchDrift (void);
1257 void V_StopPitchDrift (void);
1260 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1261 void V_UpdateBlends (void);
1262 void V_ParseDamage (void);
1268 extern cvar_t cl_particles;
1269 extern cvar_t cl_particles_quality;
1270 extern cvar_t cl_particles_size;
1271 extern cvar_t cl_particles_quake;
1272 extern cvar_t cl_particles_blood;
1273 extern cvar_t cl_particles_blood_alpha;
1274 extern cvar_t cl_particles_blood_bloodhack;
1275 extern cvar_t cl_particles_bulletimpacts;
1276 extern cvar_t cl_particles_explosions_sparks;
1277 extern cvar_t cl_particles_explosions_shell;
1278 extern cvar_t cl_particles_rain;
1279 extern cvar_t cl_particles_snow;
1280 extern cvar_t cl_particles_smoke;
1281 extern cvar_t cl_particles_smoke_alpha;
1282 extern cvar_t cl_particles_smoke_alphafade;
1283 extern cvar_t cl_particles_sparks;
1284 extern cvar_t cl_particles_bubbles;
1285 extern cvar_t cl_decals;
1286 extern cvar_t cl_decals_time;
1287 extern cvar_t cl_decals_fadetime;
1289 void CL_Particles_Clear(void);
1290 void CL_Particles_Init(void);
1291 void CL_Particles_Shutdown(void);
1293 typedef enum effectnameindex_s
1297 EFFECT_TE_GUNSHOTQUAD,
1299 EFFECT_TE_SPIKEQUAD,
1300 EFFECT_TE_SUPERSPIKE,
1301 EFFECT_TE_SUPERSPIKEQUAD,
1303 EFFECT_TE_KNIGHTSPIKE,
1304 EFFECT_TE_EXPLOSION,
1305 EFFECT_TE_EXPLOSIONQUAD,
1306 EFFECT_TE_TAREXPLOSION,
1308 EFFECT_TE_LAVASPLASH,
1309 EFFECT_TE_SMALLFLASH,
1314 EFFECT_TE_PLASMABURN,
1316 EFFECT_TE_TEI_SMOKE,
1317 EFFECT_TE_TEI_BIGEXPLOSION,
1318 EFFECT_TE_TEI_PLASMAHIT,
1324 EFFECT_TR_SLIGHTBLOOD,
1325 EFFECT_TR_KNIGHTSPIKE,
1326 EFFECT_TR_VORESPIKE,
1327 EFFECT_TR_NEHAHRASMOKE,
1328 EFFECT_TR_NEXUIZPLASMA,
1329 EFFECT_TR_GLOWTRAIL,
1330 EFFECT_SVC_PARTICLE,
1335 int CL_ParticleEffectIndexForName(const char *name);
1336 const char *CL_ParticleEffectNameForIndex(int i);
1337 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);
1338 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);
1339 void CL_ParseParticleEffect (void);
1340 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);
1341 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1342 void CL_EntityParticles (const entity_t *ent);
1343 void CL_ParticleExplosion (const vec3_t org);
1344 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1345 void R_NewExplosion(const vec3_t org);
1347 void Debug_PolygonBegin(const char *picname, int flags);
1348 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1349 void Debug_PolygonEnd(void);
1351 #include "cl_screen.h"
1353 extern qboolean sb_showscores;
1355 float FogPoint_World(const vec3_t p);
1356 float FogPoint_Model(const vec3_t p);
1357 float FogForDistance(vec_t dist);
1359 typedef struct r_refdef_stats_s
1363 int entities_surfaces;
1364 int entities_triangles;
1368 int world_triangles;
1369 int lightmapupdates;
1370 int lightmapupdatepixels;
1374 int meshes_elements;
1377 int lights_scissored;
1378 int lights_lighttriangles;
1379 int lights_shadowtriangles;
1380 int lights_dynamicshadowtriangles;
1382 int bloom_copypixels;
1383 int bloom_drawpixels;
1387 typedef struct r_refdef_view_s
1389 // view information (changes multiple times per frame)
1390 // if any of these variables change then r_refdef.viewcache must be regenerated
1391 // by calling R_View_Update
1392 // (which also updates viewport, scissor, colormask)
1394 // it is safe and expected to copy this into a structure on the stack and
1395 // call the renderer recursively, then restore from the stack afterward
1396 // (as long as R_View_Update is called)
1398 // eye position information
1399 matrix4x4_t matrix, inverse_matrix;
1405 int numfrustumplanes;
1406 mplane_t frustum[6];
1407 qboolean useclipplane;
1408 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1410 float frustum_x, frustum_y;
1411 vec3_t frustumcorner[4];
1412 // if turned off it renders an ortho view
1414 float ortho_x, ortho_y;
1416 // screen area to render in
1424 // which color components to allow (for anaglyph glasses)
1427 // global RGB color multiplier for rendering, this is required by HDR
1430 // whether to call R_ClearScreen before rendering stuff
1432 // if true, don't clear or do any post process effects (bloom, etc)
1435 // whether to draw r_showtris and such, this is only true for the main
1436 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1437 // distortion effects, etc) omit such debugging information
1440 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1444 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1449 typedef struct r_refdef_viewcache_s
1451 // these properties are generated by R_View_Update()
1453 // which entities are currently visible for this viewpoint
1454 // (the used range is 0...r_refdef.scene.numentities)
1455 unsigned char entityvisible[MAX_EDICTS];
1456 // flag arrays used for visibility checking on world model
1457 // (all other entities have no per-surface/per-leaf visibility checks)
1458 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1459 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1460 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1461 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1462 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1463 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1464 // if true, the view is currently in a leaf without pvs data
1465 qboolean world_novis;
1467 r_refdef_viewcache_t;
1469 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1470 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1471 typedef struct r_refdef_scene_s {
1472 // whether to call S_ExtraUpdate during render to reduce sound chop
1473 qboolean extraupdate;
1475 // (client gameworld) time for rendering time based effects
1479 entity_render_t *worldentity;
1481 // same as worldentity->model
1482 dp_model_t *worldmodel;
1484 // renderable entities (excluding world)
1485 entity_render_t **entities;
1489 // field of temporary entities that is reset each (client) frame
1490 entity_render_t *tempentities;
1491 int numtempentities;
1492 int maxtempentities;
1494 // renderable dynamic lights
1495 rtlight_t *lights[MAX_DLIGHTS];
1496 rtlight_t templights[MAX_DLIGHTS];
1499 // intensities for light styles right now, controls rtlights
1500 float rtlightstylevalue[256]; // float fraction of base light value
1501 // 8.8bit fixed point intensities for light styles
1502 // controls intensity lightmap layers
1503 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1508 qboolean rtworldshadows;
1510 qboolean rtdlightshadows;
1513 typedef struct r_refdef_s
1515 // these fields define the basic rendering information for the world
1516 // but not the view, which could change multiple times in one rendered
1517 // frame (for example when rendering textures for certain effects)
1519 // these are set for water warping before
1520 // frustum_x/frustum_y are calculated
1521 float frustumscale_x, frustumscale_y;
1523 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1524 r_refdef_view_t view;
1525 r_refdef_viewcache_t viewcache;
1527 // minimum visible distance (pixels closer than this disappear)
1529 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1530 // in 32bpp an infinite-farclip matrix is used instead)
1533 // fullscreen color blend
1536 r_refdef_scene_t scene;
1540 vec_t fograngerecip;
1541 vec_t fogmasktabledistmultiplier;
1542 #define FOGMASKTABLEWIDTH 1024
1543 float fogmasktable[FOGMASKTABLEWIDTH];
1544 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1552 qboolean fogenabled;
1553 qboolean oldgl_fogenable;
1555 qboolean draw2dstage;
1557 // true during envmap command capture
1560 // brightness of world lightmaps and related lighting
1561 // (often reduced when world rtlights are enabled)
1562 float lightmapintensity;
1563 // whether to draw world lights realtime, dlights realtime, and their shadows
1564 float polygonfactor;
1565 float polygonoffset;
1566 float shadowpolygonfactor;
1567 float shadowpolygonoffset;
1569 // rendering stats for r_speeds display
1570 // (these are incremented in many places)
1571 r_refdef_stats_t stats;
1575 extern r_refdef_t r_refdef;