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 // this is R_Shadow_Cubemap(rtlight->cubemapname)
113 rtexture_t *currentcubemap;
116 // true if this light should be compiled as a static light
118 // true if this is a compiled world light, cleared if the light changes
120 // premade shadow volumes to render for world entity
121 shadowmesh_t *static_meshchain_shadow;
122 // used for visibility testing (more exact than bbox)
124 int static_numleafpvsbytes;
125 int *static_leaflist;
126 unsigned char *static_leafpvs;
127 // surfaces seen by light
128 int static_numsurfaces;
129 int *static_surfacelist;
130 // flag bits indicating which triangles of the world model should cast
131 // shadows, and which ones should be lit
133 // this avoids redundantly scanning the triangles in each surface twice
134 // for whether they should cast shadows, once in culling and once in the
135 // actual shadowmarklist production.
136 int static_numshadowtrispvsbytes;
137 unsigned char *static_shadowtrispvs;
138 // this allows the lighting batch code to skip backfaces andother culled
139 // triangles not relevant for lighting
140 // (important on big surfaces such as terrain)
141 int static_numlighttrispvsbytes;
142 unsigned char *static_lighttrispvs;
146 typedef struct dlight_s
148 // destroy light after this time
151 // the entity that owns this light (can be NULL)
153 struct entity_render_s *ent;
155 // (worldlight: saved to .rtlights file)
157 // worldlight orientation
159 // (worldlight: saved to .rtlights file)
161 // dlight orientation/scaling/location
165 // (worldlight: saved to .rtlights file)
167 // cubemap name to use on this light
168 // (worldlight: saved to .rtlights file)
169 char cubemapname[64];
170 // make light flash while selected
173 // brightness (not really radius anymore)
174 // (worldlight: saved to .rtlights file)
176 // drop intensity this much each second
179 // intensity value which is dropped over time
182 // initial values for intensity to modify
186 // light style which controls intensity of this light
187 // (worldlight: saved to .rtlights file)
190 // (worldlight: saved to .rtlights file)
193 // (worldlight: saved to .rtlights file)
195 // radius scale of corona to render (1.0 means same as light radius)
196 // (worldlight: saved to .rtlights file)
197 vec_t coronasizescale;
198 // ambient intensity to render
199 // (worldlight: saved to .rtlights file)
201 // diffuse intensity to render
202 // (worldlight: saved to .rtlights file)
204 // specular intensity to render
205 // (worldlight: saved to .rtlights file)
208 // (worldlight: saved to .rtlights file)
210 // linked list of world lights
212 struct dlight_s *next;
213 // embedded rtlight struct for renderer
219 typedef struct frameblend_s
226 // LordHavoc: this struct is intended for the renderer but some fields are
227 // used by the client.
229 // The renderer should not rely on any changes to this struct to be persistent
230 // across multiple frames because temp entities are wiped every frame, but it
231 // is acceptable to cache things in this struct that are not critical.
233 // For example the r_cullentities_trace code does such caching.
234 typedef struct entity_render_s
240 // transform matrix for model to world
242 // transform matrix for world to model
243 matrix4x4_t inversematrix;
244 // opacity (alpha) of the model
246 // size the model is shown
251 // number of the entity represents, or 0 for non-network entities
253 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
254 vec3_t colormap_pantscolor;
255 vec3_t colormap_shirtcolor;
256 // light, particles, etc
258 // qw CTF flags and other internal-use-only effect bits
265 // colormod tinting of models
268 // interpolated animation
270 // frame that the model is interpolating from
272 // frame that the model is interpolating to
274 // interpolation factor, usually computed from frame2time
276 // time frame1 began playing (for framegroup animations)
278 // time frame2 began playing (for framegroup animations)
281 // calculated by the renderer (but not persistent)
283 // calculated during R_AddModelEntities
285 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
286 frameblend_t frameblend[4];
288 // current lighting from map (updated ONLY by client code, not renderer)
289 vec3_t modellight_ambient;
290 vec3_t modellight_diffuse; // q3bsp
291 vec3_t modellight_lightdir; // q3bsp
293 // FIELDS UPDATED BY RENDERER:
294 // last time visible during trace culling
295 double last_trace_visibility;
299 typedef struct entity_persistent_s
305 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
307 // muzzleflash fading
310 // interpolated movement
312 // start time of move
314 // time difference from start to end of move
316 // the move itself, start and end
324 typedef struct entity_s
326 // baseline state (default values)
327 entity_state_t state_baseline;
328 // previous state (interpolating from this)
329 entity_state_t state_previous;
330 // current state (interpolating to this)
331 entity_state_t state_current;
333 // used for regenerating parts of render
334 entity_persistent_t persistent;
336 // the only data the renderer should know about
337 entity_render_t render;
341 typedef struct usercmd_s
345 // intended velocities
350 vec3_t cursor_screen;
353 vec3_t cursor_impact;
354 vec3_t cursor_normal;
355 vec_t cursor_fraction;
356 int cursor_entitynumber;
358 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
359 double receivetime; // time the move was received at
360 double clienttime; // time to which server state the move corresponds to
361 int msec; // for predicted moves
365 qboolean applied; // if false we're still accumulating a move
366 qboolean predicted; // if true the sequence should be sent as 0
368 // derived properties
375 typedef struct lightstyle_s
378 char map[MAX_STYLESTRING];
381 typedef struct scoreboard_s
383 char name[MAX_SCOREBOARDNAME];
385 int colors; // two 4 bit fields
388 char qw_userinfo[MAX_USERINFO_STRING];
394 char qw_skin[MAX_QPATH];
397 typedef struct cshift_s
400 float percent; // 0-255
401 float alphafade; // (any speed)
404 #define CSHIFT_CONTENTS 0
405 #define CSHIFT_DAMAGE 1
406 #define CSHIFT_BONUS 2
407 #define CSHIFT_POWERUP 3
408 #define CSHIFT_VCSHIFT 4
409 #define NUM_CSHIFTS 5
411 #define NAME_LENGTH 64
415 // client_state_t should hold all pieces of the client state
418 #define SIGNONS 4 // signon messages to receive before connected
421 #define MAX_DEMONAME 16
423 typedef enum cactive_e
425 ca_uninitialized, // during early startup
426 ca_dedicated, // a dedicated server with no ability to start a client
427 ca_disconnected, // full screen console with no connection
428 ca_connected // valid netcon, talking to a server
432 typedef enum qw_downloadtype_e
442 typedef enum capturevideoformat_e
444 CAPTUREVIDEOFORMAT_AVI_I420
446 capturevideoformat_t;
448 typedef struct capturevideostate_s
452 // for AVI saving some values have to be written after capture ends
453 fs_offset_t videofile_firstchunkframes_offset;
454 fs_offset_t videofile_totalframes_offset1;
455 fs_offset_t videofile_totalframes_offset2;
456 fs_offset_t videofile_totalsampleframes_offset;
457 int videofile_ix_master_audio_inuse;
458 fs_offset_t videofile_ix_master_audio_inuse_offset;
459 fs_offset_t videofile_ix_master_audio_start_offset;
460 int videofile_ix_master_video_inuse;
461 fs_offset_t videofile_ix_master_video_inuse_offset;
462 fs_offset_t videofile_ix_master_video_start_offset;
463 fs_offset_t videofile_ix_movistart;
468 capturevideoformat_t format;
471 int soundsampleframe; // for AVI saving
472 unsigned char *screenbuffer;
473 unsigned char *outbuffer;
474 sizebuf_t riffbuffer;
475 unsigned char riffbufferdata[128];
476 // note: riffindex buffer has an allocated ->data member, not static like most!
477 sizebuf_t riffindexbuffer;
479 fs_offset_t riffstackstartoffset[4];
480 short rgbtoyuvscaletable[3][3][256];
481 unsigned char yuvnormalizetable[3][256];
487 #define CL_MAX_DOWNLOADACKS 4
489 typedef struct cl_downloadack_s
495 typedef struct cl_soundstats_s
499 int latency_milliseconds;
504 // the client_static_t structure is persistent through an arbitrary number
505 // of server connections
507 typedef struct client_static_s
511 // all client memory allocations go in these pools
512 mempool_t *levelmempool;
513 mempool_t *permanentmempool;
516 // -1 = don't play demos
518 // list of demos in loop
519 char demos[MAX_DEMOS][MAX_DEMONAME];
520 // the actively playing demo (set by CL_PlayDemo_f)
521 char demoname[MAX_QPATH];
523 // demo recording info must be here, because record is started before
524 // entering a map (and clearing client_state_t)
525 qboolean demorecording;
526 fs_offset_t demo_lastcsprogssize;
527 int demo_lastcsprogscrc;
528 qboolean demoplayback;
530 // -1 = use normal cd track
533 // realtime at second frame of timedemo (LordHavoc: changed to double)
535 int td_frames; // total frames parsed
536 double td_onesecondnexttime;
537 double td_onesecondframes;
538 double td_onesecondrealtime;
539 double td_onesecondminfps;
540 double td_onesecondmaxfps;
541 double td_onesecondavgfps;
542 int td_onesecondavgcount;
543 // LordHavoc: pausedemo
546 // sound mixer statistics for showsound display
547 cl_soundstats_t soundstats;
549 qboolean connect_trying;
550 int connect_remainingtries;
551 double connect_nextsendtime;
552 lhnetsocket_t *connect_mysocket;
553 lhnetaddress_t connect_address;
554 // protocol version of the server we're connected to
555 // (kept outside client_state_t because it's used between levels)
556 protocolversion_t protocol;
558 // connection information
561 // network connection
564 // download information
565 // (note: qw_download variables are also used)
566 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
568 // input sequence numbers are not reset on level change, only connect
570 int servermovesequence;
572 // quakeworld stuff below
574 // value of "qport" cvar at time of connection
576 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
577 int qw_incoming_sequence;
578 int qw_outgoing_sequence;
580 // current file download buffer (only saved when file is completed)
581 char qw_downloadname[MAX_QPATH];
582 unsigned char *qw_downloadmemory;
583 int qw_downloadmemorycursize;
584 int qw_downloadmemorymaxsize;
585 int qw_downloadnumber;
586 int qw_downloadpercent;
587 qw_downloadtype_t qw_downloadtype;
588 // transfer rate display
589 double qw_downloadspeedtime;
590 int qw_downloadspeedcount;
591 int qw_downloadspeedrate;
592 qboolean qw_download_deflate;
594 // current file upload buffer (for uploading screenshots to server)
595 unsigned char *qw_uploaddata;
600 // this normally contains the following keys in quakeworld:
601 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
602 char userinfo[MAX_USERINFO_STRING];
604 // video capture stuff
605 capturevideostate_t capturevideo;
609 extern client_static_t cls;
611 typedef struct client_movementqueue_s
622 client_movementqueue_t;
628 qboolean drawenginesbar;
629 qboolean drawcrosshair;
634 PARTICLE_BILLBOARD = 0,
636 PARTICLE_ORIENTED_DOUBLESIDED = 2,
638 PARTICLE_INVALID = -1
651 typedef struct particletype_s
654 porientation_t orientation;
661 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
665 typedef struct decal_s
667 // fields used by rendering: (40 bytes)
668 unsigned short typeindex;
669 unsigned short texnum;
673 float alpha; // 0-255
674 unsigned char color[3];
675 unsigned char unused1;
677 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
678 float time2; // used for decal fade
679 unsigned int owner; // decal stuck to this entity
680 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
681 vec3_t relativeorigin; // decal at this location in entity's coordinate space
682 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
686 typedef struct particle_s
688 // fields used by rendering: (40 bytes)
689 unsigned char typeindex;
691 porientation_t orientation;
692 unsigned char texnum;
694 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
696 float alpha; // 0-255
697 unsigned char color[3];
698 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
699 float stretch; // only for sparks
701 // fields not used by rendering: (40 bytes)
702 float sizeincrease; // rate of size change per second
703 float alphafade; // how much alpha reduces per second
704 float time2; // used for snow fluttering and decal fade
705 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)
706 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
707 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
708 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
709 float delayedcollisions; // time that p->bounce becomes active
710 float delayedspawn; // time that particle appears and begins moving
711 float die; // time when this particle should be removed, regardless of alpha
715 typedef enum cl_parsingtextmode_e
717 CL_PARSETEXTMODE_NONE,
718 CL_PARSETEXTMODE_PING,
719 CL_PARSETEXTMODE_STATUS,
720 CL_PARSETEXTMODE_STATUS_PLAYERID,
721 CL_PARSETEXTMODE_STATUS_PLAYERIP
723 cl_parsingtextmode_t;
725 typedef struct cl_locnode_s
727 struct cl_locnode_s *next;
733 typedef struct showlmp_s
744 // the client_state_t structure is wiped completely at every
747 typedef struct client_state_s
749 // true if playing in a local game and no one else is connected
752 // send a clc_nop periodically until connected
755 // current input being accumulated by mouse/joystick/etc input
757 // latest moves sent to the server that have not been confirmed yet
758 usercmd_t movecmd[CL_MAX_USERCMDS];
760 // information for local display
762 int stats[MAX_CL_STATS];
763 float *statsf; // points to stats[] array
764 // last known inventory bit flags, for blinking
766 // cl.time of acquiring item, for blinking
767 float item_gettime[32];
768 // last known STAT_ACTIVEWEAPON
770 // cl.time of changing STAT_ACTIVEWEAPON
772 // use pain anim frame if cl.time < this
774 // for stair smoothing
776 double stairsmoothtime;
778 // color shifts for damage, powerups
779 cshift_t cshifts[NUM_CSHIFTS];
781 cshift_t prev_cshifts[NUM_CSHIFTS];
783 // the client maintains its own idea of view angles, which are
784 // sent to the server each frame. The server sets punchangle when
785 // the view is temporarily offset, and an angle reset commands at the start
786 // of each level and after teleporting.
788 // mviewangles is read from demo
789 // viewangles is either client controlled or lerped from mviewangles
790 vec3_t mviewangles[2], viewangles;
791 // update by server, used by qc to do weapon recoil
792 vec3_t mpunchangle[2], punchangle;
793 // update by server, can be used by mods to kick view around
794 vec3_t mpunchvector[2], punchvector;
795 // update by server, used for lean+bob (0 is newest)
796 vec3_t mvelocity[2], velocity;
797 // update by server, can be used by mods for zooming
798 vec_t mviewzoom[2], viewzoom;
799 // if true interpolation the mviewangles and other interpolation of the
800 // player is disabled until the next network packet
801 // this is used primarily by teleporters, and when spectating players
802 // special checking of the old fixangle[1] is used to differentiate
803 // between teleporting and spectating
804 qboolean fixangle[2];
806 // client movement simulation
807 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
808 // set by CL_ClientMovement_Replay functions
809 qboolean movement_predicted;
810 // if true the CL_ClientMovement_Replay function will update origin, etc
811 qboolean movement_replay;
812 // simulated data (this is valid even if cl.movement is false)
813 vec3_t movement_origin;
814 vec3_t movement_velocity;
815 // whether the replay should allow a jump at the first sequence
816 qboolean movement_replay_canjump;
818 // pitch drifting vars
825 //[515]: added for csqc purposes
826 float sensitivityscale;
827 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
828 qboolean csqc_wantsmousemove;
829 struct model_s *csqc_model_precache[MAX_MODELS];
831 // local amount for smoothing stepups
840 qboolean oldonground;
841 double lastongroundtime;
842 double hitgroundtime;
844 // don't change view angle, full screen, etc
846 // latched at intermission start
847 double completed_time;
849 // the timestamp of the last two messages
852 // clients view of time, time should be between mtime[0] and mtime[1] to
853 // generate a lerp point for other data, oldtime is the previous frame's
854 // value of time, frametime is the difference between time and oldtime
855 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
856 // is only forcefully limited when a packet is received
857 double time, oldtime;
858 // how long it has been since the previous client frame in real time
859 // (not game time, for that use cl.time - cl.oldtime)
860 double realframetime;
862 // copy of realtime from last recieved message, for net trouble icon
863 float last_received_message;
865 // information that is static for the entire time connected to a server
866 struct model_s *model_precache[MAX_MODELS];
867 struct sfx_s *sound_precache[MAX_SOUNDS];
869 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
870 char model_name[MAX_MODELS][MAX_QPATH];
871 char sound_name[MAX_SOUNDS][MAX_QPATH];
873 // for display on solo scoreboard
875 // cl_entitites[cl.viewentity] = player
877 // the real player entity (normally same as viewentity,
878 // different than viewentity if mod uses chasecam or other tricks)
879 int realplayerentity;
880 // this is updated to match cl.viewentity whenever it is in the clients
881 // range, basically this is used in preference to cl.realplayerentity for
882 // most purposes because when spectating another player it should show
883 // their information rather than yours
885 // max players that can be in this game
887 // type of game (deathmatch, coop, singleplayer)
890 // models and sounds used by engine code (particularly cl_parse.c)
891 dp_model_t *model_bolt;
892 dp_model_t *model_bolt2;
893 dp_model_t *model_bolt3;
894 dp_model_t *model_beam;
896 sfx_t *sfx_knighthit;
902 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
903 qboolean foundtalk2wav;
905 // refresh related state
907 // cl_entitites[0].model
908 struct model_s *worldmodel;
914 int cdtrack, looptrack;
919 scoreboard_t *scores;
921 // keep track of svc_print parsing state (analyzes ping reports and status reports)
922 cl_parsingtextmode_t parsingtextmode;
923 int parsingtextplayerindex;
924 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
925 // (which could eat the wrong ping report if the player issues one
926 // manually, but they would still see a ping report, just a later one
927 // caused by the scoreboard code rather than the one they intentionally
929 int parsingtextexpectingpingforscores;
931 // entity database stuff
932 // latest received entity frame numbers
933 #define LATESTFRAMENUMS 3
934 int latestframenums[LATESTFRAMENUMS];
935 entityframe_database_t *entitydatabase;
936 entityframe4_database_t *entitydatabase4;
937 entityframeqw_database_t *entitydatabaseqw;
939 // keep track of quake entities because they need to be killed if they get stale
941 unsigned char isquakeentity[MAX_EDICTS];
943 // bounding boxes for clientside movement
944 vec3_t playerstandmins;
945 vec3_t playerstandmaxs;
946 vec3_t playercrouchmins;
947 vec3_t playercrouchmaxs;
950 int max_static_entities;
955 int max_brushmodel_entities;
961 unsigned char *entities_active;
962 entity_t *static_entities;
963 cl_effect_t *effects;
966 lightstyle_t *lightstyle;
967 int *brushmodel_entities;
968 particle_t *particles;
973 int num_static_entities;
974 int num_brushmodel_entities;
982 double particles_updatetime;
983 double decals_updatetime;
987 // cl_serverextension_download feature
988 int loadmodel_current;
989 int downloadmodel_current;
991 int loadsound_current;
992 int downloadsound_current;
994 qboolean downloadcsqc;
997 qboolean loadfinished;
1001 // local copy of the server infostring
1002 char qw_serverinfo[MAX_SERVERINFO_STRING];
1004 // time of last qw "pings" command sent to server while showing scores
1005 double last_ping_request;
1007 // used during connect
1010 // updated from serverinfo
1013 // unused: indicates whether the player is spectating
1014 // use cl.scores[cl.playerentity-1].qw_spectator instead
1015 //qboolean qw_spectator;
1017 // last time an input packet was sent
1018 double lastpackettime;
1020 // movement parameters for client prediction
1021 float movevars_wallfriction;
1022 float movevars_waterfriction;
1023 float movevars_friction;
1024 float movevars_timescale;
1025 float movevars_gravity;
1026 float movevars_stopspeed;
1027 float movevars_maxspeed;
1028 float movevars_spectatormaxspeed;
1029 float movevars_accelerate;
1030 float movevars_airaccelerate;
1031 float movevars_wateraccelerate;
1032 float movevars_entgravity;
1033 float movevars_jumpvelocity;
1034 float movevars_edgefriction;
1035 float movevars_maxairspeed;
1036 float movevars_stepheight;
1037 float movevars_airaccel_qw;
1038 float movevars_airaccel_sideways_friction;
1040 // models used by qw protocol
1041 int qw_modelindex_spike;
1042 int qw_modelindex_player;
1043 int qw_modelindex_flag;
1044 int qw_modelindex_s_explod;
1046 vec3_t qw_intermission_origin;
1047 vec3_t qw_intermission_angles;
1049 // 255 is the most nails the QW protocol could send
1051 vec_t qw_nails[255][6];
1053 float qw_weaponkick;
1055 int qw_validsequence;
1057 int qw_deltasequence[QW_UPDATE_BACKUP];
1060 // server entity number corresponding to a clientside entity
1061 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1062 qboolean csqc_loaded;
1065 qboolean csqc_usecsqclistener;
1066 matrix4x4_t csqc_listenermatrix;
1067 char csqc_printtextbuf[MAX_INPUTLINE];
1069 // collision culling data
1072 // loc file stuff (points and boxes describing locations in the level)
1073 cl_locnode_t *locnodes;
1074 // this is updated to cl.movement_origin whenever health is < 1
1075 // used by %d print in say/say_team messages if cl_locs_enable is on
1076 vec3_t lastdeathorigin;
1078 // processing buffer used by R_BuildLightMap, reallocated as needed,
1079 // freed on each level change
1080 size_t buildlightmapmemorysize;
1081 unsigned char *buildlightmapmemory;
1088 extern cvar_t cl_name;
1089 extern cvar_t cl_color;
1090 extern cvar_t cl_rate;
1091 extern cvar_t cl_pmodel;
1092 extern cvar_t cl_playermodel;
1093 extern cvar_t cl_playerskin;
1095 extern cvar_t rcon_password;
1096 extern cvar_t rcon_address;
1098 extern cvar_t cl_upspeed;
1099 extern cvar_t cl_forwardspeed;
1100 extern cvar_t cl_backspeed;
1101 extern cvar_t cl_sidespeed;
1103 extern cvar_t cl_movespeedkey;
1105 extern cvar_t cl_yawspeed;
1106 extern cvar_t cl_pitchspeed;
1108 extern cvar_t cl_anglespeedkey;
1110 extern cvar_t cl_autofire;
1112 extern cvar_t cl_shownet;
1113 extern cvar_t cl_nolerp;
1114 extern cvar_t cl_nettimesyncfactor;
1115 extern cvar_t cl_nettimesyncboundmode;
1116 extern cvar_t cl_nettimesyncboundtolerance;
1118 extern cvar_t cl_pitchdriftspeed;
1119 extern cvar_t lookspring;
1120 extern cvar_t lookstrafe;
1121 extern cvar_t sensitivity;
1123 extern cvar_t freelook;
1125 extern cvar_t m_pitch;
1126 extern cvar_t m_yaw;
1127 extern cvar_t m_forward;
1128 extern cvar_t m_side;
1130 extern cvar_t cl_autodemo;
1131 extern cvar_t cl_autodemo_nameformat;
1133 extern cvar_t r_draweffects;
1135 extern cvar_t cl_explosions_alpha_start;
1136 extern cvar_t cl_explosions_alpha_end;
1137 extern cvar_t cl_explosions_size_start;
1138 extern cvar_t cl_explosions_size_end;
1139 extern cvar_t cl_explosions_lifetime;
1140 extern cvar_t cl_stainmaps;
1141 extern cvar_t cl_stainmaps_clearonload;
1143 extern cvar_t cl_prydoncursor;
1145 extern cvar_t cl_locs_enable;
1147 extern client_state_t cl;
1149 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);
1151 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1152 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1154 //=============================================================================
1160 void CL_Shutdown (void);
1161 void CL_Init (void);
1163 void CL_EstablishConnection(const char *host);
1165 void CL_Disconnect (void);
1166 void CL_Disconnect_f (void);
1168 void CL_UpdateRenderEntity(entity_render_t *ent);
1169 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1170 void CL_UpdateViewEntities(void);
1175 typedef struct kbutton_s
1177 int down[2]; // key nums holding it down
1178 int state; // low bit is down state
1182 extern kbutton_t in_mlook, in_klook;
1183 extern kbutton_t in_strafe;
1184 extern kbutton_t in_speed;
1186 void CL_InitInput (void);
1187 void CL_SendMove (void);
1189 void CL_ValidateState(entity_state_t *s);
1190 void CL_MoveLerpEntityStates(entity_t *ent);
1191 void CL_LerpUpdate(entity_t *e);
1192 void CL_ParseTEnt (void);
1193 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1194 void CL_RelinkBeams (void);
1195 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1196 void CL_ClientMovement_Replay(void);
1198 void CL_ClearTempEntities (void);
1199 entity_render_t *CL_NewTempEntity (void);
1201 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1203 void CL_ClearState (void);
1204 void CL_ExpandEntities(int num);
1205 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1208 void CL_UpdateWorld (void);
1209 void CL_WriteToServer (void);
1210 void CL_Input (void);
1211 extern int cl_ignoremousemoves;
1214 float CL_KeyState (kbutton_t *key);
1215 const char *Key_KeynumToString (int keynum);
1216 int Key_StringToKeynum (const char *str);
1221 void CL_StopPlayback(void);
1222 void CL_ReadDemoMessage(void);
1223 void CL_WriteDemoMessage(sizebuf_t *mesage);
1225 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1226 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1228 void CL_NextDemo(void);
1229 void CL_Stop_f(void);
1230 void CL_Record_f(void);
1231 void CL_PlayDemo_f(void);
1232 void CL_TimeDemo_f(void);
1237 void CL_Parse_Init(void);
1238 void CL_Parse_Shutdown(void);
1239 void CL_ParseServerMessage(void);
1240 void CL_Parse_DumpPacket(void);
1241 void CL_Parse_ErrorCleanUp(void);
1242 void QW_CL_StartUpload(unsigned char *data, int size);
1243 extern cvar_t qport;
1248 void V_StartPitchDrift (void);
1249 void V_StopPitchDrift (void);
1252 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1253 void V_UpdateBlends (void);
1254 void V_ParseDamage (void);
1260 extern cvar_t cl_particles;
1261 extern cvar_t cl_particles_quality;
1262 extern cvar_t cl_particles_size;
1263 extern cvar_t cl_particles_quake;
1264 extern cvar_t cl_particles_blood;
1265 extern cvar_t cl_particles_blood_alpha;
1266 extern cvar_t cl_particles_blood_bloodhack;
1267 extern cvar_t cl_particles_bulletimpacts;
1268 extern cvar_t cl_particles_explosions_sparks;
1269 extern cvar_t cl_particles_explosions_shell;
1270 extern cvar_t cl_particles_rain;
1271 extern cvar_t cl_particles_snow;
1272 extern cvar_t cl_particles_smoke;
1273 extern cvar_t cl_particles_smoke_alpha;
1274 extern cvar_t cl_particles_smoke_alphafade;
1275 extern cvar_t cl_particles_sparks;
1276 extern cvar_t cl_particles_bubbles;
1277 extern cvar_t cl_decals;
1278 extern cvar_t cl_decals_time;
1279 extern cvar_t cl_decals_fadetime;
1281 void CL_Particles_Clear(void);
1282 void CL_Particles_Init(void);
1283 void CL_Particles_Shutdown(void);
1285 typedef enum effectnameindex_s
1289 EFFECT_TE_GUNSHOTQUAD,
1291 EFFECT_TE_SPIKEQUAD,
1292 EFFECT_TE_SUPERSPIKE,
1293 EFFECT_TE_SUPERSPIKEQUAD,
1295 EFFECT_TE_KNIGHTSPIKE,
1296 EFFECT_TE_EXPLOSION,
1297 EFFECT_TE_EXPLOSIONQUAD,
1298 EFFECT_TE_TAREXPLOSION,
1300 EFFECT_TE_LAVASPLASH,
1301 EFFECT_TE_SMALLFLASH,
1306 EFFECT_TE_PLASMABURN,
1308 EFFECT_TE_TEI_SMOKE,
1309 EFFECT_TE_TEI_BIGEXPLOSION,
1310 EFFECT_TE_TEI_PLASMAHIT,
1316 EFFECT_TR_SLIGHTBLOOD,
1317 EFFECT_TR_KNIGHTSPIKE,
1318 EFFECT_TR_VORESPIKE,
1319 EFFECT_TR_NEHAHRASMOKE,
1320 EFFECT_TR_NEXUIZPLASMA,
1321 EFFECT_TR_GLOWTRAIL,
1322 EFFECT_SVC_PARTICLE,
1327 int CL_ParticleEffectIndexForName(const char *name);
1328 const char *CL_ParticleEffectNameForIndex(int i);
1329 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);
1330 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);
1331 void CL_ParseParticleEffect (void);
1332 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);
1333 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1334 void CL_EntityParticles (const entity_t *ent);
1335 void CL_ParticleExplosion (const vec3_t org);
1336 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1337 void R_NewExplosion(const vec3_t org);
1339 void Debug_PolygonBegin(const char *picname, int flags);
1340 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1341 void Debug_PolygonEnd(void);
1343 #include "cl_screen.h"
1345 extern qboolean sb_showscores;
1347 float FogPoint_World(const vec3_t p);
1348 float FogPoint_Model(const vec3_t p);
1349 float FogForDistance(vec_t dist);
1351 typedef struct r_refdef_stats_s
1355 int entities_surfaces;
1356 int entities_triangles;
1360 int world_triangles;
1361 int lightmapupdates;
1362 int lightmapupdatepixels;
1366 int meshes_elements;
1369 int lights_scissored;
1370 int lights_lighttriangles;
1371 int lights_shadowtriangles;
1372 int lights_dynamicshadowtriangles;
1374 int bloom_copypixels;
1375 int bloom_drawpixels;
1379 typedef struct r_refdef_view_s
1381 // view information (changes multiple times per frame)
1382 // if any of these variables change then r_refdef.viewcache must be regenerated
1383 // by calling R_View_Update
1384 // (which also updates viewport, scissor, colormask)
1386 // it is safe and expected to copy this into a structure on the stack and
1387 // call the renderer recursively, then restore from the stack afterward
1388 // (as long as R_View_Update is called)
1390 // eye position information
1391 matrix4x4_t matrix, inverse_matrix;
1397 int numfrustumplanes;
1398 mplane_t frustum[6];
1399 qboolean useclipplane;
1400 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1402 float frustum_x, frustum_y;
1403 vec3_t frustumcorner[4];
1404 // if turned off it renders an ortho view
1406 float ortho_x, ortho_y;
1408 // screen area to render in
1416 // which color components to allow (for anaglyph glasses)
1419 // global RGB color multiplier for rendering, this is required by HDR
1422 // whether to call R_ClearScreen before rendering stuff
1424 // if true, don't clear or do any post process effects (bloom, etc)
1427 // whether to draw r_showtris and such, this is only true for the main
1428 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1429 // distortion effects, etc) omit such debugging information
1432 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1436 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1441 typedef struct r_refdef_viewcache_s
1443 // these properties are generated by R_View_Update()
1445 // which entities are currently visible for this viewpoint
1446 // (the used range is 0...r_refdef.scene.numentities)
1447 unsigned char entityvisible[MAX_EDICTS];
1448 // flag arrays used for visibility checking on world model
1449 // (all other entities have no per-surface/per-leaf visibility checks)
1450 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1451 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1452 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1453 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1454 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1455 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1456 // if true, the view is currently in a leaf without pvs data
1457 qboolean world_novis;
1459 r_refdef_viewcache_t;
1461 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1462 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1463 typedef struct r_refdef_scene_s {
1464 // whether to call S_ExtraUpdate during render to reduce sound chop
1465 qboolean extraupdate;
1467 // (client gameworld) time for rendering time based effects
1471 entity_render_t *worldentity;
1473 // same as worldentity->model
1474 dp_model_t *worldmodel;
1476 // renderable entities (excluding world)
1477 entity_render_t **entities;
1481 // field of temporary entities that is reset each (client) frame
1482 entity_render_t *tempentities;
1483 int numtempentities;
1484 int maxtempentities;
1486 // renderable dynamic lights
1487 rtlight_t lights[MAX_DLIGHTS];
1490 // intensities for light styles right now, controls rtlights
1491 float rtlightstylevalue[256]; // float fraction of base light value
1492 // 8.8bit fixed point intensities for light styles
1493 // controls intensity lightmap layers
1494 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1499 qboolean rtworldshadows;
1501 qboolean rtdlightshadows;
1504 typedef struct r_refdef_s
1506 // these fields define the basic rendering information for the world
1507 // but not the view, which could change multiple times in one rendered
1508 // frame (for example when rendering textures for certain effects)
1510 // these are set for water warping before
1511 // frustum_x/frustum_y are calculated
1512 float frustumscale_x, frustumscale_y;
1514 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1515 r_refdef_view_t view;
1516 r_refdef_viewcache_t viewcache;
1518 // minimum visible distance (pixels closer than this disappear)
1520 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1521 // in 32bpp an infinite-farclip matrix is used instead)
1524 // fullscreen color blend
1527 r_refdef_scene_t scene;
1531 vec_t fograngerecip;
1532 vec_t fogmasktabledistmultiplier;
1533 #define FOGMASKTABLEWIDTH 1024
1534 float fogmasktable[FOGMASKTABLEWIDTH];
1535 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1543 qboolean fogenabled;
1544 qboolean oldgl_fogenable;
1546 qboolean draw2dstage;
1548 // true during envmap command capture
1551 // brightness of world lightmaps and related lighting
1552 // (often reduced when world rtlights are enabled)
1553 float lightmapintensity;
1554 // whether to draw world lights realtime, dlights realtime, and their shadows
1555 float polygonfactor;
1556 float polygonoffset;
1557 float shadowpolygonfactor;
1558 float shadowpolygonoffset;
1560 // rendering stats for r_speeds display
1561 // (these are incremented in many places)
1562 r_refdef_stats_t stats;
1566 extern r_refdef_t r_refdef;