2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "matrixlib.h"
28 // LordHavoc: 256 dynamic lights
29 #define MAX_DLIGHTS 256
31 // this is the maximum number of input packets that can be predicted
32 #define CL_MAX_USERCMDS 256
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 // used by corona updates, due to occlusion query
114 float corona_visibility;
115 unsigned int corona_queryindex_visiblepixels;
116 unsigned int corona_queryindex_allpixels;
117 // this is R_Shadow_Cubemap(rtlight->cubemapname)
118 rtexture_t *currentcubemap;
121 // true if this light should be compiled as a static light
123 // true if this is a compiled world light, cleared if the light changes
125 // premade shadow volumes to render for world entity
126 shadowmesh_t *static_meshchain_shadow_zpass;
127 shadowmesh_t *static_meshchain_shadow_zfail;
128 // used for visibility testing (more exact than bbox)
130 int static_numleafpvsbytes;
131 int *static_leaflist;
132 unsigned char *static_leafpvs;
133 // surfaces seen by light
134 int static_numsurfaces;
135 int *static_surfacelist;
136 // flag bits indicating which triangles of the world model should cast
137 // shadows, and which ones should be lit
139 // this avoids redundantly scanning the triangles in each surface twice
140 // for whether they should cast shadows, once in culling and once in the
141 // actual shadowmarklist production.
142 int static_numshadowtrispvsbytes;
143 unsigned char *static_shadowtrispvs;
144 // this allows the lighting batch code to skip backfaces andother culled
145 // triangles not relevant for lighting
146 // (important on big surfaces such as terrain)
147 int static_numlighttrispvsbytes;
148 unsigned char *static_lighttrispvs;
152 typedef struct dlight_s
154 // destroy light after this time
157 // the entity that owns this light (can be NULL)
159 struct entity_render_s *ent;
161 // (worldlight: saved to .rtlights file)
163 // worldlight orientation
165 // (worldlight: saved to .rtlights file)
167 // dlight orientation/scaling/location
171 // (worldlight: saved to .rtlights file)
173 // cubemap name to use on this light
174 // (worldlight: saved to .rtlights file)
175 char cubemapname[64];
176 // make light flash while selected
179 // brightness (not really radius anymore)
180 // (worldlight: saved to .rtlights file)
182 // drop intensity this much each second
185 // intensity value which is dropped over time
188 // initial values for intensity to modify
192 // light style which controls intensity of this light
193 // (worldlight: saved to .rtlights file)
196 // (worldlight: saved to .rtlights file)
199 // (worldlight: saved to .rtlights file)
201 // radius scale of corona to render (1.0 means same as light radius)
202 // (worldlight: saved to .rtlights file)
203 vec_t coronasizescale;
204 // ambient intensity to render
205 // (worldlight: saved to .rtlights file)
207 // diffuse intensity to render
208 // (worldlight: saved to .rtlights file)
210 // specular intensity to render
211 // (worldlight: saved to .rtlights file)
214 // (worldlight: saved to .rtlights file)
216 // linked list of world lights
218 struct dlight_s *next;
219 // embedded rtlight struct for renderer
225 #define MAX_FRAMEGROUPBLENDS 4
226 typedef struct framegroupblend_s
228 // animation number and blend factor
229 // (for most models this is the frame number)
232 // time frame began playing (for framegroup animations)
237 // this is derived from processing of the framegroupblend array
238 // note: technically each framegroupblend can produce two of these, but that
239 // never happens in practice because no one blends between more than 2
240 // framegroups at once
241 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
242 typedef struct frameblend_s
249 // LordHavoc: this struct is intended for the renderer but some fields are
250 // used by the client.
252 // The renderer should not rely on any changes to this struct to be persistent
253 // across multiple frames because temp entities are wiped every frame, but it
254 // is acceptable to cache things in this struct that are not critical.
256 // For example the r_cullentities_trace code does such caching.
257 typedef struct entity_render_s
263 // transform matrix for model to world
265 // transform matrix for world to model
266 matrix4x4_t inversematrix;
267 // opacity (alpha) of the model
269 // size the model is shown
274 // number of the entity represents, or 0 for non-network entities
276 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
277 vec3_t colormap_pantscolor;
278 vec3_t colormap_shirtcolor;
279 // light, particles, etc
281 // qw CTF flags and other internal-use-only effect bits
288 // colormod tinting of models
291 // interpolated animation - active framegroups and blend factors
292 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
294 // time of last model change (for shader animations)
297 // calculated by the renderer (but not persistent)
299 // calculated during R_AddModelEntities
301 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
302 frameblend_t frameblend[MAX_FRAMEBLENDS];
304 // current lighting from map (updated ONLY by client code, not renderer)
305 vec3_t modellight_ambient;
306 vec3_t modellight_diffuse; // q3bsp
307 vec3_t modellight_lightdir; // q3bsp
309 // FIELDS UPDATED BY RENDERER:
310 // last time visible during trace culling
311 double last_trace_visibility;
315 typedef struct entity_persistent_s
321 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
323 // muzzleflash fading
326 // interpolated movement
328 // start time of move
330 // time difference from start to end of move
332 // the move itself, start and end
340 typedef struct entity_s
342 // baseline state (default values)
343 entity_state_t state_baseline;
344 // previous state (interpolating from this)
345 entity_state_t state_previous;
346 // current state (interpolating to this)
347 entity_state_t state_current;
349 // used for regenerating parts of render
350 entity_persistent_t persistent;
352 // the only data the renderer should know about
353 entity_render_t render;
357 typedef struct usercmd_s
361 // intended velocities
366 vec3_t cursor_screen;
369 vec3_t cursor_impact;
370 vec3_t cursor_normal;
371 vec_t cursor_fraction;
372 int cursor_entitynumber;
374 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
375 double receivetime; // time the move was received at
376 double clienttime; // time to which server state the move corresponds to
377 int msec; // for predicted moves
381 qboolean applied; // if false we're still accumulating a move
382 qboolean predicted; // if true the sequence should be sent as 0
384 // derived properties
391 typedef struct lightstyle_s
394 char map[MAX_STYLESTRING];
397 typedef struct scoreboard_s
399 char name[MAX_SCOREBOARDNAME];
401 int colors; // two 4 bit fields
404 char qw_userinfo[MAX_USERINFO_STRING];
410 char qw_skin[MAX_QPATH];
413 typedef struct cshift_s
416 float percent; // 0-255
417 float alphafade; // (any speed)
420 #define CSHIFT_CONTENTS 0
421 #define CSHIFT_DAMAGE 1
422 #define CSHIFT_BONUS 2
423 #define CSHIFT_POWERUP 3
424 #define CSHIFT_VCSHIFT 4
425 #define NUM_CSHIFTS 5
427 #define NAME_LENGTH 64
431 // client_state_t should hold all pieces of the client state
434 #define SIGNONS 4 // signon messages to receive before connected
437 #define MAX_DEMONAME 16
439 typedef enum cactive_e
441 ca_uninitialized, // during early startup
442 ca_dedicated, // a dedicated server with no ability to start a client
443 ca_disconnected, // full screen console with no connection
444 ca_connected // valid netcon, talking to a server
448 typedef enum qw_downloadtype_e
458 typedef enum capturevideoformat_e
460 CAPTUREVIDEOFORMAT_AVI_I420,
461 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
463 capturevideoformat_t;
465 typedef struct capturevideostate_s
467 double startrealtime;
478 int soundsampleframe;
479 unsigned char *screenbuffer;
480 unsigned char *outbuffer;
481 char basename[MAX_QPATH];
484 // precomputed RGB to YUV tables
485 // converts the RGB values to YUV (see cap_avi.c for how to use them)
486 short rgbtoyuvscaletable[3][3][256];
487 unsigned char yuvnormalizetable[3][256];
489 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
490 // note: to map from these values to RGB24, you have to multiply by 255.0/65535.0, then add 0.5, then cast to integer
491 unsigned short vidramp[256 * 3];
493 // stuff to be filled in by the video format module
494 capturevideoformat_t format;
495 const char *formatextension;
498 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
500 void (*videoframes) (int num);
501 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
503 // format specific data
504 void *formatspecific;
508 #define CL_MAX_DOWNLOADACKS 4
510 typedef struct cl_downloadack_s
516 typedef struct cl_soundstats_s
520 int latency_milliseconds;
525 // the client_static_t structure is persistent through an arbitrary number
526 // of server connections
528 typedef struct client_static_s
532 // all client memory allocations go in these pools
533 mempool_t *levelmempool;
534 mempool_t *permanentmempool;
537 // -1 = don't play demos
539 // list of demos in loop
540 char demos[MAX_DEMOS][MAX_DEMONAME];
541 // the actively playing demo (set by CL_PlayDemo_f)
542 char demoname[MAX_QPATH];
544 // demo recording info must be here, because record is started before
545 // entering a map (and clearing client_state_t)
546 qboolean demorecording;
547 fs_offset_t demo_lastcsprogssize;
548 int demo_lastcsprogscrc;
549 qboolean demoplayback;
551 // -1 = use normal cd track
554 // realtime at second frame of timedemo (LordHavoc: changed to double)
556 int td_frames; // total frames parsed
557 double td_onesecondnexttime;
558 double td_onesecondframes;
559 double td_onesecondrealtime;
560 double td_onesecondminfps;
561 double td_onesecondmaxfps;
562 double td_onesecondavgfps;
563 int td_onesecondavgcount;
564 // LordHavoc: pausedemo
567 // sound mixer statistics for showsound display
568 cl_soundstats_t soundstats;
570 qboolean connect_trying;
571 int connect_remainingtries;
572 double connect_nextsendtime;
573 lhnetsocket_t *connect_mysocket;
574 lhnetaddress_t connect_address;
575 // protocol version of the server we're connected to
576 // (kept outside client_state_t because it's used between levels)
577 protocolversion_t protocol;
579 // connection information
582 // network connection
585 // download information
586 // (note: qw_download variables are also used)
587 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
589 // input sequence numbers are not reset on level change, only connect
591 int servermovesequence;
593 // quakeworld stuff below
595 // value of "qport" cvar at time of connection
597 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
598 int qw_incoming_sequence;
599 int qw_outgoing_sequence;
601 // current file download buffer (only saved when file is completed)
602 char qw_downloadname[MAX_QPATH];
603 unsigned char *qw_downloadmemory;
604 int qw_downloadmemorycursize;
605 int qw_downloadmemorymaxsize;
606 int qw_downloadnumber;
607 int qw_downloadpercent;
608 qw_downloadtype_t qw_downloadtype;
609 // transfer rate display
610 double qw_downloadspeedtime;
611 int qw_downloadspeedcount;
612 int qw_downloadspeedrate;
613 qboolean qw_download_deflate;
615 // current file upload buffer (for uploading screenshots to server)
616 unsigned char *qw_uploaddata;
621 // this normally contains the following keys in quakeworld:
622 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
623 char userinfo[MAX_USERINFO_STRING];
625 // video capture stuff
626 capturevideostate_t capturevideo;
630 extern client_static_t cls;
632 typedef struct client_movementqueue_s
643 client_movementqueue_t;
649 qboolean drawenginesbar;
650 qboolean drawcrosshair;
655 PARTICLE_BILLBOARD = 0,
657 PARTICLE_ORIENTED_DOUBLESIDED = 2,
659 PARTICLE_INVALID = -1
672 typedef struct particletype_s
675 porientation_t orientation;
682 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
686 typedef struct decal_s
688 // fields used by rendering: (44 bytes)
689 unsigned short typeindex;
690 unsigned short texnum;
694 float alpha; // 0-255
695 unsigned char color[3];
696 unsigned char unused1;
697 int clusterindex; // cheap culling by pvs
699 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
700 float time2; // used for decal fade
701 unsigned int owner; // decal stuck to this entity
702 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
703 vec3_t relativeorigin; // decal at this location in entity's coordinate space
704 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
708 typedef struct particle_s
710 // fields used by rendering: (40 bytes)
711 unsigned char typeindex;
713 porientation_t orientation;
714 unsigned char texnum;
716 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
718 float alpha; // 0-255
719 unsigned char color[3];
720 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
721 float stretch; // only for sparks
723 signed char staintexnum;
724 float stainsizefactor;
726 // fields not used by rendering: (40 bytes)
727 float sizeincrease; // rate of size change per second
728 float alphafade; // how much alpha reduces per second
729 float time2; // used for snow fluttering and decal fade
730 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)
731 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
732 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
733 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
734 float delayedcollisions; // time that p->bounce becomes active
735 float delayedspawn; // time that particle appears and begins moving
736 float die; // time when this particle should be removed, regardless of alpha
740 typedef enum cl_parsingtextmode_e
742 CL_PARSETEXTMODE_NONE,
743 CL_PARSETEXTMODE_PING,
744 CL_PARSETEXTMODE_STATUS,
745 CL_PARSETEXTMODE_STATUS_PLAYERID,
746 CL_PARSETEXTMODE_STATUS_PLAYERIP
748 cl_parsingtextmode_t;
750 typedef struct cl_locnode_s
752 struct cl_locnode_s *next;
758 typedef struct showlmp_s
769 // the client_state_t structure is wiped completely at every
772 typedef struct client_state_s
774 // true if playing in a local game and no one else is connected
777 // send a clc_nop periodically until connected
780 // current input being accumulated by mouse/joystick/etc input
782 // latest moves sent to the server that have not been confirmed yet
783 usercmd_t movecmd[CL_MAX_USERCMDS];
785 // information for local display
787 int stats[MAX_CL_STATS];
788 float *statsf; // points to stats[] array
789 // last known inventory bit flags, for blinking
791 // cl.time of acquiring item, for blinking
792 float item_gettime[32];
793 // last known STAT_ACTIVEWEAPON
795 // cl.time of changing STAT_ACTIVEWEAPON
797 // use pain anim frame if cl.time < this
799 // for stair smoothing
801 double stairsmoothtime;
803 // color shifts for damage, powerups
804 cshift_t cshifts[NUM_CSHIFTS];
806 cshift_t prev_cshifts[NUM_CSHIFTS];
808 // the client maintains its own idea of view angles, which are
809 // sent to the server each frame. The server sets punchangle when
810 // the view is temporarily offset, and an angle reset commands at the start
811 // of each level and after teleporting.
813 // mviewangles is read from demo
814 // viewangles is either client controlled or lerped from mviewangles
815 vec3_t mviewangles[2], viewangles;
816 // update by server, used by qc to do weapon recoil
817 vec3_t mpunchangle[2], punchangle;
818 // update by server, can be used by mods to kick view around
819 vec3_t mpunchvector[2], punchvector;
820 // update by server, used for lean+bob (0 is newest)
821 vec3_t mvelocity[2], velocity;
822 // update by server, can be used by mods for zooming
823 vec_t mviewzoom[2], viewzoom;
824 // if true interpolation the mviewangles and other interpolation of the
825 // player is disabled until the next network packet
826 // this is used primarily by teleporters, and when spectating players
827 // special checking of the old fixangle[1] is used to differentiate
828 // between teleporting and spectating
829 qboolean fixangle[2];
831 // client movement simulation
832 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
833 // set by CL_ClientMovement_Replay functions
834 qboolean movement_predicted;
835 // if true the CL_ClientMovement_Replay function will update origin, etc
836 qboolean movement_replay;
837 // simulated data (this is valid even if cl.movement is false)
838 vec3_t movement_origin;
839 vec3_t movement_velocity;
840 // whether the replay should allow a jump at the first sequence
841 qboolean movement_replay_canjump;
843 // pitch drifting vars
850 //[515]: added for csqc purposes
851 float sensitivityscale;
852 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
853 qboolean csqc_wantsmousemove;
854 struct model_s *csqc_model_precache[MAX_MODELS];
856 // local amount for smoothing stepups
865 qboolean oldonground;
866 double lastongroundtime;
867 double hitgroundtime;
869 // don't change view angle, full screen, etc
871 // latched at intermission start
872 double completed_time;
874 // the timestamp of the last two messages
877 // clients view of time, time should be between mtime[0] and mtime[1] to
878 // generate a lerp point for other data, oldtime is the previous frame's
879 // value of time, frametime is the difference between time and oldtime
880 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
881 // is only forcefully limited when a packet is received
882 double time, oldtime;
883 // how long it has been since the previous client frame in real time
884 // (not game time, for that use cl.time - cl.oldtime)
885 double realframetime;
887 // copy of realtime from last recieved message, for net trouble icon
888 float last_received_message;
890 // information that is static for the entire time connected to a server
891 struct model_s *model_precache[MAX_MODELS];
892 struct sfx_s *sound_precache[MAX_SOUNDS];
894 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
895 char model_name[MAX_MODELS][MAX_QPATH];
896 char sound_name[MAX_SOUNDS][MAX_QPATH];
898 // for display on solo scoreboard
900 // cl_entitites[cl.viewentity] = player
902 // the real player entity (normally same as viewentity,
903 // different than viewentity if mod uses chasecam or other tricks)
904 int realplayerentity;
905 // this is updated to match cl.viewentity whenever it is in the clients
906 // range, basically this is used in preference to cl.realplayerentity for
907 // most purposes because when spectating another player it should show
908 // their information rather than yours
910 // max players that can be in this game
912 // type of game (deathmatch, coop, singleplayer)
915 // models and sounds used by engine code (particularly cl_parse.c)
916 dp_model_t *model_bolt;
917 dp_model_t *model_bolt2;
918 dp_model_t *model_bolt3;
919 dp_model_t *model_beam;
921 sfx_t *sfx_knighthit;
927 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
928 qboolean foundtalk2wav;
930 // refresh related state
932 // cl_entitites[0].model
933 struct model_s *worldmodel;
939 int cdtrack, looptrack;
944 scoreboard_t *scores;
946 // keep track of svc_print parsing state (analyzes ping reports and status reports)
947 cl_parsingtextmode_t parsingtextmode;
948 int parsingtextplayerindex;
949 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
950 // (which could eat the wrong ping report if the player issues one
951 // manually, but they would still see a ping report, just a later one
952 // caused by the scoreboard code rather than the one they intentionally
954 int parsingtextexpectingpingforscores;
956 // entity database stuff
957 // latest received entity frame numbers
958 #define LATESTFRAMENUMS 3
959 int latestframenums[LATESTFRAMENUMS];
960 entityframe_database_t *entitydatabase;
961 entityframe4_database_t *entitydatabase4;
962 entityframeqw_database_t *entitydatabaseqw;
964 // keep track of quake entities because they need to be killed if they get stale
966 unsigned char isquakeentity[MAX_EDICTS];
968 // bounding boxes for clientside movement
969 vec3_t playerstandmins;
970 vec3_t playerstandmaxs;
971 vec3_t playercrouchmins;
972 vec3_t playercrouchmaxs;
975 int max_static_entities;
980 int max_brushmodel_entities;
986 unsigned char *entities_active;
987 entity_t *static_entities;
988 cl_effect_t *effects;
991 lightstyle_t *lightstyle;
992 int *brushmodel_entities;
993 particle_t *particles;
998 int num_static_entities;
999 int num_brushmodel_entities;
1007 double particles_updatetime;
1008 double decals_updatetime;
1012 // cl_serverextension_download feature
1013 int loadmodel_current;
1014 int downloadmodel_current;
1015 int loadmodel_total;
1016 int loadsound_current;
1017 int downloadsound_current;
1018 int loadsound_total;
1019 qboolean downloadcsqc;
1022 qboolean loadfinished;
1026 // local copy of the server infostring
1027 char qw_serverinfo[MAX_SERVERINFO_STRING];
1029 // time of last qw "pings" command sent to server while showing scores
1030 double last_ping_request;
1032 // used during connect
1035 // updated from serverinfo
1038 // unused: indicates whether the player is spectating
1039 // use cl.scores[cl.playerentity-1].qw_spectator instead
1040 //qboolean qw_spectator;
1042 // last time an input packet was sent
1043 double lastpackettime;
1045 // movement parameters for client prediction
1046 float movevars_wallfriction;
1047 float movevars_waterfriction;
1048 float movevars_friction;
1049 float movevars_timescale;
1050 float movevars_gravity;
1051 float movevars_stopspeed;
1052 float movevars_maxspeed;
1053 float movevars_spectatormaxspeed;
1054 float movevars_accelerate;
1055 float movevars_airaccelerate;
1056 float movevars_wateraccelerate;
1057 float movevars_entgravity;
1058 float movevars_jumpvelocity;
1059 float movevars_edgefriction;
1060 float movevars_maxairspeed;
1061 float movevars_stepheight;
1062 float movevars_airaccel_qw;
1063 float movevars_airaccel_sideways_friction;
1064 float movevars_airstopaccelerate;
1065 float movevars_airstrafeaccelerate;
1066 float movevars_maxairstrafespeed;
1067 float movevars_aircontrol;
1068 float movevars_warsowbunny_airforwardaccel;
1069 float movevars_warsowbunny_accel;
1070 float movevars_warsowbunny_topspeed;
1071 float movevars_warsowbunny_turnaccel;
1072 float movevars_warsowbunny_backtosideratio;
1074 // models used by qw protocol
1075 int qw_modelindex_spike;
1076 int qw_modelindex_player;
1077 int qw_modelindex_flag;
1078 int qw_modelindex_s_explod;
1080 vec3_t qw_intermission_origin;
1081 vec3_t qw_intermission_angles;
1083 // 255 is the most nails the QW protocol could send
1085 vec_t qw_nails[255][6];
1087 float qw_weaponkick;
1089 int qw_validsequence;
1091 int qw_deltasequence[QW_UPDATE_BACKUP];
1094 // server entity number corresponding to a clientside entity
1095 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1096 qboolean csqc_loaded;
1099 qboolean csqc_usecsqclistener;
1100 matrix4x4_t csqc_listenermatrix;
1101 char csqc_printtextbuf[MAX_INPUTLINE];
1103 // collision culling data
1106 // loc file stuff (points and boxes describing locations in the level)
1107 cl_locnode_t *locnodes;
1108 // this is updated to cl.movement_origin whenever health is < 1
1109 // used by %d print in say/say_team messages if cl_locs_enable is on
1110 vec3_t lastdeathorigin;
1112 // processing buffer used by R_BuildLightMap, reallocated as needed,
1113 // freed on each level change
1114 size_t buildlightmapmemorysize;
1115 unsigned char *buildlightmapmemory;
1122 extern cvar_t cl_name;
1123 extern cvar_t cl_color;
1124 extern cvar_t cl_rate;
1125 extern cvar_t cl_pmodel;
1126 extern cvar_t cl_playermodel;
1127 extern cvar_t cl_playerskin;
1129 extern cvar_t rcon_password;
1130 extern cvar_t rcon_address;
1132 extern cvar_t cl_upspeed;
1133 extern cvar_t cl_forwardspeed;
1134 extern cvar_t cl_backspeed;
1135 extern cvar_t cl_sidespeed;
1137 extern cvar_t cl_movespeedkey;
1139 extern cvar_t cl_yawspeed;
1140 extern cvar_t cl_pitchspeed;
1142 extern cvar_t cl_anglespeedkey;
1144 extern cvar_t cl_autofire;
1146 extern cvar_t cl_shownet;
1147 extern cvar_t cl_nolerp;
1148 extern cvar_t cl_nettimesyncfactor;
1149 extern cvar_t cl_nettimesyncboundmode;
1150 extern cvar_t cl_nettimesyncboundtolerance;
1152 extern cvar_t cl_pitchdriftspeed;
1153 extern cvar_t lookspring;
1154 extern cvar_t lookstrafe;
1155 extern cvar_t sensitivity;
1157 extern cvar_t freelook;
1159 extern cvar_t m_pitch;
1160 extern cvar_t m_yaw;
1161 extern cvar_t m_forward;
1162 extern cvar_t m_side;
1164 extern cvar_t cl_autodemo;
1165 extern cvar_t cl_autodemo_nameformat;
1167 extern cvar_t r_draweffects;
1169 extern cvar_t cl_explosions_alpha_start;
1170 extern cvar_t cl_explosions_alpha_end;
1171 extern cvar_t cl_explosions_size_start;
1172 extern cvar_t cl_explosions_size_end;
1173 extern cvar_t cl_explosions_lifetime;
1174 extern cvar_t cl_stainmaps;
1175 extern cvar_t cl_stainmaps_clearonload;
1177 extern cvar_t cl_prydoncursor;
1179 extern cvar_t cl_locs_enable;
1181 extern client_state_t cl;
1183 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);
1185 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1186 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1188 //=============================================================================
1194 void CL_Shutdown (void);
1195 void CL_Init (void);
1197 void CL_EstablishConnection(const char *host);
1199 void CL_Disconnect (void);
1200 void CL_Disconnect_f (void);
1202 void CL_UpdateRenderEntity(entity_render_t *ent);
1203 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1204 void CL_UpdateViewEntities(void);
1209 typedef struct kbutton_s
1211 int down[2]; // key nums holding it down
1212 int state; // low bit is down state
1216 extern kbutton_t in_mlook, in_klook;
1217 extern kbutton_t in_strafe;
1218 extern kbutton_t in_speed;
1220 void CL_InitInput (void);
1221 void CL_SendMove (void);
1223 void CL_ValidateState(entity_state_t *s);
1224 void CL_MoveLerpEntityStates(entity_t *ent);
1225 void CL_LerpUpdate(entity_t *e);
1226 void CL_ParseTEnt (void);
1227 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1228 void CL_RelinkBeams (void);
1229 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1230 void CL_ClientMovement_Replay(void);
1232 void CL_ClearTempEntities (void);
1233 entity_render_t *CL_NewTempEntity (double shadertime);
1235 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1237 void CL_ClearState (void);
1238 void CL_ExpandEntities(int num);
1239 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1242 void CL_UpdateWorld (void);
1243 void CL_WriteToServer (void);
1244 void CL_Input (void);
1245 extern int cl_ignoremousemoves;
1248 float CL_KeyState (kbutton_t *key);
1249 const char *Key_KeynumToString (int keynum);
1250 int Key_StringToKeynum (const char *str);
1255 void CL_StopPlayback(void);
1256 void CL_ReadDemoMessage(void);
1257 void CL_WriteDemoMessage(sizebuf_t *mesage);
1259 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1260 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1262 void CL_NextDemo(void);
1263 void CL_Stop_f(void);
1264 void CL_Record_f(void);
1265 void CL_PlayDemo_f(void);
1266 void CL_TimeDemo_f(void);
1271 void CL_Parse_Init(void);
1272 void CL_Parse_Shutdown(void);
1273 void CL_ParseServerMessage(void);
1274 void CL_Parse_DumpPacket(void);
1275 void CL_Parse_ErrorCleanUp(void);
1276 void QW_CL_StartUpload(unsigned char *data, int size);
1277 extern cvar_t qport;
1278 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1283 void V_StartPitchDrift (void);
1284 void V_StopPitchDrift (void);
1287 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1288 void V_UpdateBlends (void);
1289 void V_ParseDamage (void);
1295 extern cvar_t cl_particles;
1296 extern cvar_t cl_particles_quality;
1297 extern cvar_t cl_particles_size;
1298 extern cvar_t cl_particles_quake;
1299 extern cvar_t cl_particles_blood;
1300 extern cvar_t cl_particles_blood_alpha;
1301 extern cvar_t cl_particles_blood_bloodhack;
1302 extern cvar_t cl_particles_bulletimpacts;
1303 extern cvar_t cl_particles_explosions_sparks;
1304 extern cvar_t cl_particles_explosions_shell;
1305 extern cvar_t cl_particles_rain;
1306 extern cvar_t cl_particles_snow;
1307 extern cvar_t cl_particles_smoke;
1308 extern cvar_t cl_particles_smoke_alpha;
1309 extern cvar_t cl_particles_smoke_alphafade;
1310 extern cvar_t cl_particles_sparks;
1311 extern cvar_t cl_particles_bubbles;
1312 extern cvar_t cl_decals;
1313 extern cvar_t cl_decals_time;
1314 extern cvar_t cl_decals_fadetime;
1316 void CL_Particles_Clear(void);
1317 void CL_Particles_Init(void);
1318 void CL_Particles_Shutdown(void);
1320 typedef enum effectnameindex_s
1324 EFFECT_TE_GUNSHOTQUAD,
1326 EFFECT_TE_SPIKEQUAD,
1327 EFFECT_TE_SUPERSPIKE,
1328 EFFECT_TE_SUPERSPIKEQUAD,
1330 EFFECT_TE_KNIGHTSPIKE,
1331 EFFECT_TE_EXPLOSION,
1332 EFFECT_TE_EXPLOSIONQUAD,
1333 EFFECT_TE_TAREXPLOSION,
1335 EFFECT_TE_LAVASPLASH,
1336 EFFECT_TE_SMALLFLASH,
1341 EFFECT_TE_PLASMABURN,
1343 EFFECT_TE_TEI_SMOKE,
1344 EFFECT_TE_TEI_BIGEXPLOSION,
1345 EFFECT_TE_TEI_PLASMAHIT,
1351 EFFECT_TR_SLIGHTBLOOD,
1352 EFFECT_TR_KNIGHTSPIKE,
1353 EFFECT_TR_VORESPIKE,
1354 EFFECT_TR_NEHAHRASMOKE,
1355 EFFECT_TR_NEXUIZPLASMA,
1356 EFFECT_TR_GLOWTRAIL,
1357 EFFECT_SVC_PARTICLE,
1362 int CL_ParticleEffectIndexForName(const char *name);
1363 const char *CL_ParticleEffectNameForIndex(int i);
1364 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);
1365 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);
1366 void CL_ParseParticleEffect (void);
1367 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);
1368 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1369 void CL_EntityParticles (const entity_t *ent);
1370 void CL_ParticleExplosion (const vec3_t org);
1371 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1372 void R_NewExplosion(const vec3_t org);
1374 void Debug_PolygonBegin(const char *picname, int flags);
1375 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1376 void Debug_PolygonEnd(void);
1378 #include "cl_screen.h"
1380 extern qboolean sb_showscores;
1382 float FogPoint_World(const vec3_t p);
1383 float FogPoint_Model(const vec3_t p);
1384 float FogForDistance(vec_t dist);
1386 typedef struct r_refdef_stats_s
1390 int entities_surfaces;
1391 int entities_triangles;
1395 int world_triangles;
1396 int lightmapupdates;
1397 int lightmapupdatepixels;
1401 int meshes_elements;
1404 int lights_scissored;
1405 int lights_lighttriangles;
1406 int lights_shadowtriangles;
1407 int lights_dynamicshadowtriangles;
1409 int bloom_copypixels;
1410 int bloom_drawpixels;
1414 typedef struct r_refdef_view_s
1416 // view information (changes multiple times per frame)
1417 // if any of these variables change then r_refdef.viewcache must be regenerated
1418 // by calling R_View_Update
1419 // (which also updates viewport, scissor, colormask)
1421 // it is safe and expected to copy this into a structure on the stack and
1422 // call the renderer recursively, then restore from the stack afterward
1423 // (as long as R_View_Update is called)
1425 // eye position information
1426 matrix4x4_t matrix, inverse_matrix;
1432 int numfrustumplanes;
1433 mplane_t frustum[6];
1434 qboolean useclipplane;
1435 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1437 float frustum_x, frustum_y;
1438 vec3_t frustumcorner[4];
1439 // if turned off it renders an ortho view
1441 float ortho_x, ortho_y;
1443 // screen area to render in
1451 // which color components to allow (for anaglyph glasses)
1454 // global RGB color multiplier for rendering, this is required by HDR
1457 // whether to call R_ClearScreen before rendering stuff
1459 // if true, don't clear or do any post process effects (bloom, etc)
1462 // whether to draw r_showtris and such, this is only true for the main
1463 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1464 // distortion effects, etc) omit such debugging information
1467 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1471 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1476 typedef struct r_refdef_viewcache_s
1478 // these properties are generated by R_View_Update()
1480 // which entities are currently visible for this viewpoint
1481 // (the used range is 0...r_refdef.scene.numentities)
1482 unsigned char entityvisible[MAX_EDICTS];
1483 // flag arrays used for visibility checking on world model
1484 // (all other entities have no per-surface/per-leaf visibility checks)
1485 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1486 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1487 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1488 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1489 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1490 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1491 // if true, the view is currently in a leaf without pvs data
1492 qboolean world_novis;
1494 r_refdef_viewcache_t;
1496 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1497 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1498 typedef struct r_refdef_scene_s {
1499 // whether to call S_ExtraUpdate during render to reduce sound chop
1500 qboolean extraupdate;
1502 // (client gameworld) time for rendering time based effects
1506 entity_render_t *worldentity;
1508 // same as worldentity->model
1509 dp_model_t *worldmodel;
1511 // renderable entities (excluding world)
1512 entity_render_t **entities;
1516 // field of temporary entities that is reset each (client) frame
1517 entity_render_t *tempentities;
1518 int numtempentities;
1519 int maxtempentities;
1521 // renderable dynamic lights
1522 rtlight_t *lights[MAX_DLIGHTS];
1523 rtlight_t templights[MAX_DLIGHTS];
1526 // intensities for light styles right now, controls rtlights
1527 float rtlightstylevalue[256]; // float fraction of base light value
1528 // 8.8bit fixed point intensities for light styles
1529 // controls intensity lightmap layers
1530 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1535 qboolean rtworldshadows;
1537 qboolean rtdlightshadows;
1540 typedef struct r_refdef_s
1542 // these fields define the basic rendering information for the world
1543 // but not the view, which could change multiple times in one rendered
1544 // frame (for example when rendering textures for certain effects)
1546 // these are set for water warping before
1547 // frustum_x/frustum_y are calculated
1548 float frustumscale_x, frustumscale_y;
1550 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1551 r_refdef_view_t view;
1552 r_refdef_viewcache_t viewcache;
1554 // minimum visible distance (pixels closer than this disappear)
1556 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1557 // in 32bpp an infinite-farclip matrix is used instead)
1560 // fullscreen color blend
1563 r_refdef_scene_t scene;
1567 vec_t fograngerecip;
1568 vec_t fogmasktabledistmultiplier;
1569 #define FOGMASKTABLEWIDTH 1024
1570 float fogmasktable[FOGMASKTABLEWIDTH];
1571 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1579 qboolean fogenabled;
1580 qboolean oldgl_fogenable;
1582 qboolean draw2dstage;
1584 // true during envmap command capture
1587 // brightness of world lightmaps and related lighting
1588 // (often reduced when world rtlights are enabled)
1589 float lightmapintensity;
1590 // whether to draw world lights realtime, dlights realtime, and their shadows
1591 float polygonfactor;
1592 float polygonoffset;
1593 float shadowpolygonfactor;
1594 float shadowpolygonoffset;
1596 // rendering stats for r_speeds display
1597 // (these are incremented in many places)
1598 r_refdef_stats_t stats;
1602 extern r_refdef_t r_refdef;