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;
360 int msec; // for predicted moves
364 qboolean applied; // if false we're still accumulating a move
365 qboolean predicted; // if true the sequence should be sent as 0
367 // derived properties
374 typedef struct lightstyle_s
377 char map[MAX_STYLESTRING];
380 typedef struct scoreboard_s
382 char name[MAX_SCOREBOARDNAME];
384 int colors; // two 4 bit fields
387 char qw_userinfo[MAX_USERINFO_STRING];
393 char qw_skin[MAX_QPATH];
396 typedef struct cshift_s
399 float percent; // 0-256
402 #define CSHIFT_CONTENTS 0
403 #define CSHIFT_DAMAGE 1
404 #define CSHIFT_BONUS 2
405 #define CSHIFT_POWERUP 3
406 #define CSHIFT_VCSHIFT 4
407 #define NUM_CSHIFTS 5
409 #define NAME_LENGTH 64
413 // client_state_t should hold all pieces of the client state
416 #define SIGNONS 4 // signon messages to receive before connected
419 #define MAX_DEMONAME 16
421 typedef enum cactive_e
423 ca_uninitialized, // during early startup
424 ca_dedicated, // a dedicated server with no ability to start a client
425 ca_disconnected, // full screen console with no connection
426 ca_connected // valid netcon, talking to a server
430 typedef enum qw_downloadtype_e
440 typedef enum capturevideoformat_e
442 CAPTUREVIDEOFORMAT_AVI_I420
444 capturevideoformat_t;
446 typedef struct capturevideostate_s
450 // for AVI saving some values have to be written after capture ends
451 fs_offset_t videofile_firstchunkframes_offset;
452 fs_offset_t videofile_totalframes_offset1;
453 fs_offset_t videofile_totalframes_offset2;
454 fs_offset_t videofile_totalsampleframes_offset;
455 int videofile_ix_master_audio_inuse;
456 fs_offset_t videofile_ix_master_audio_inuse_offset;
457 fs_offset_t videofile_ix_master_audio_start_offset;
458 int videofile_ix_master_video_inuse;
459 fs_offset_t videofile_ix_master_video_inuse_offset;
460 fs_offset_t videofile_ix_master_video_start_offset;
461 fs_offset_t videofile_ix_movistart;
466 capturevideoformat_t format;
469 int soundsampleframe; // for AVI saving
470 unsigned char *screenbuffer;
471 unsigned char *outbuffer;
472 sizebuf_t riffbuffer;
473 unsigned char riffbufferdata[128];
474 // note: riffindex buffer has an allocated ->data member, not static like most!
475 sizebuf_t riffindexbuffer;
477 fs_offset_t riffstackstartoffset[4];
478 short rgbtoyuvscaletable[3][3][256];
479 unsigned char yuvnormalizetable[3][256];
485 #define CL_MAX_DOWNLOADACKS 4
487 typedef struct cl_downloadack_s
493 typedef struct cl_soundstats_s
497 int latency_milliseconds;
502 // the client_static_t structure is persistent through an arbitrary number
503 // of server connections
505 typedef struct client_static_s
509 // all client memory allocations go in these pools
510 mempool_t *levelmempool;
511 mempool_t *permanentmempool;
514 // -1 = don't play demos
516 // list of demos in loop
517 char demos[MAX_DEMOS][MAX_DEMONAME];
518 // the actively playing demo (set by CL_PlayDemo_f)
521 // demo recording info must be here, because record is started before
522 // entering a map (and clearing client_state_t)
523 qboolean demorecording;
524 qboolean demoplayback;
526 // -1 = use normal cd track
529 // realtime at second frame of timedemo (LordHavoc: changed to double)
531 int td_frames; // total frames parsed
532 double td_onesecondnexttime;
533 double td_onesecondframes;
534 double td_onesecondrealtime;
535 double td_onesecondminfps;
536 double td_onesecondmaxfps;
537 double td_onesecondavgfps;
538 int td_onesecondavgcount;
539 // LordHavoc: pausedemo
542 // sound mixer statistics for showsound display
543 cl_soundstats_t soundstats;
545 qboolean connect_trying;
546 int connect_remainingtries;
547 double connect_nextsendtime;
548 lhnetsocket_t *connect_mysocket;
549 lhnetaddress_t connect_address;
550 // protocol version of the server we're connected to
551 // (kept outside client_state_t because it's used between levels)
552 protocolversion_t protocol;
554 // connection information
557 // network connection
560 // download information
561 // (note: qw_download variables are also used)
562 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
564 // input sequence numbers are not reset on level change, only connect
566 int servermovesequence;
568 // quakeworld stuff below
570 // value of "qport" cvar at time of connection
572 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
573 int qw_incoming_sequence;
574 int qw_outgoing_sequence;
576 // current file download buffer (only saved when file is completed)
577 char qw_downloadname[MAX_QPATH];
578 unsigned char *qw_downloadmemory;
579 int qw_downloadmemorycursize;
580 int qw_downloadmemorymaxsize;
581 int qw_downloadnumber;
582 int qw_downloadpercent;
583 qw_downloadtype_t qw_downloadtype;
584 // transfer rate display
585 double qw_downloadspeedtime;
586 int qw_downloadspeedcount;
587 int qw_downloadspeedrate;
589 // current file upload buffer (for uploading screenshots to server)
590 unsigned char *qw_uploaddata;
595 // this normally contains the following keys in quakeworld:
596 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
597 char userinfo[MAX_USERINFO_STRING];
599 // video capture stuff
600 capturevideostate_t capturevideo;
604 extern client_static_t cls;
606 typedef struct client_movementqueue_s
617 client_movementqueue_t;
623 qboolean drawenginesbar;
624 qboolean drawcrosshair;
629 PARTICLE_BILLBOARD = 0,
631 PARTICLE_ORIENTED_DOUBLESIDED = 2,
644 typedef struct particletype_s
647 porientation_t orientation;
654 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
658 typedef struct decal_s
660 // fields used by rendering: (40 bytes)
661 unsigned short typeindex;
662 unsigned short texnum;
666 float alpha; // 0-255
667 unsigned char color[3];
668 unsigned char unused1;
670 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
671 float time2; // used for decal fade
672 unsigned int owner; // decal stuck to this entity
673 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
674 vec3_t relativeorigin; // decal at this location in entity's coordinate space
675 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
679 typedef struct particle_s
681 // fields used by rendering: (40 bytes)
682 unsigned short typeindex;
683 unsigned short texnum;
685 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
687 float alpha; // 0-255
688 unsigned char color[3];
689 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
691 // fields not used by rendering: (40 bytes)
692 float sizeincrease; // rate of size change per second
693 float alphafade; // how much alpha reduces per second
694 float time2; // used for snow fluttering and decal fade
695 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)
696 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
697 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
698 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
699 float delayedcollisions; // time that p->bounce becomes active
700 float delayedspawn; // time that particle appears and begins moving
701 float die; // time when this particle should be removed, regardless of alpha
705 typedef enum cl_parsingtextmode_e
707 CL_PARSETEXTMODE_NONE,
708 CL_PARSETEXTMODE_PING,
709 CL_PARSETEXTMODE_STATUS,
710 CL_PARSETEXTMODE_STATUS_PLAYERID,
711 CL_PARSETEXTMODE_STATUS_PLAYERIP
713 cl_parsingtextmode_t;
715 typedef struct cl_locnode_s
717 struct cl_locnode_s *next;
723 typedef struct showlmp_s
734 // the client_state_t structure is wiped completely at every
737 typedef struct client_state_s
739 // true if playing in a local game and no one else is connected
742 // send a clc_nop periodically until connected
745 // current input being accumulated by mouse/joystick/etc input
747 // latest moves sent to the server that have not been confirmed yet
748 usercmd_t movecmd[CL_MAX_USERCMDS];
750 // information for local display
752 int stats[MAX_CL_STATS];
753 float *statsf; // points to stats[] array
754 // last known inventory bit flags, for blinking
756 // cl.time of acquiring item, for blinking
757 float item_gettime[32];
758 // last known STAT_ACTIVEWEAPON
760 // cl.time of changing STAT_ACTIVEWEAPON
762 // use pain anim frame if cl.time < this
764 // for stair smoothing
766 double stairsmoothtime;
768 // color shifts for damage, powerups
769 cshift_t cshifts[NUM_CSHIFTS];
771 cshift_t prev_cshifts[NUM_CSHIFTS];
773 // the client maintains its own idea of view angles, which are
774 // sent to the server each frame. The server sets punchangle when
775 // the view is temporarily offset, and an angle reset commands at the start
776 // of each level and after teleporting.
778 // mviewangles is read from demo
779 // viewangles is either client controlled or lerped from mviewangles
780 vec3_t mviewangles[2], viewangles;
781 // update by server, used by qc to do weapon recoil
782 vec3_t mpunchangle[2], punchangle;
783 // update by server, can be used by mods to kick view around
784 vec3_t mpunchvector[2], punchvector;
785 // update by server, used for lean+bob (0 is newest)
786 vec3_t mvelocity[2], velocity;
787 // update by server, can be used by mods for zooming
788 vec_t mviewzoom[2], viewzoom;
789 // if true interpolation the mviewangles and other interpolation of the
790 // player is disabled until the next network packet
791 // this is used primarily by teleporters, and when spectating players
792 // special checking of the old fixangle[1] is used to differentiate
793 // between teleporting and spectating
794 qboolean fixangle[2];
796 // client movement simulation
797 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
798 // set by CL_ClientMovement_Replay functions
799 qboolean movement_predicted;
800 // if true the CL_ClientMovement_Replay function will update origin, etc
801 qboolean movement_replay;
802 // simulated data (this is valid even if cl.movement is false)
803 vec3_t movement_origin;
804 vec3_t movement_velocity;
805 // whether the replay should allow a jump at the first sequence
806 qboolean movement_replay_canjump;
808 // pitch drifting vars
815 //[515]: added for csqc purposes
816 float sensitivityscale;
817 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
818 qboolean csqc_wantsmousemove;
819 struct model_s *csqc_model_precache[MAX_MODELS];
821 // local amount for smoothing stepups
830 qboolean oldonground;
831 double lastongroundtime;
832 double hitgroundtime;
834 // don't change view angle, full screen, etc
836 // latched at intermission start
837 double completed_time;
839 // the timestamp of the last two messages
842 // clients view of time, time should be between mtime[0] and mtime[1] to
843 // generate a lerp point for other data, oldtime is the previous frame's
844 // value of time, frametime is the difference between time and oldtime
845 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
846 // is only forcefully limited when a packet is received
847 double time, oldtime;
848 // how long it has been since the previous client frame in real time
849 // (not game time, for that use cl.time - cl.oldtime)
850 double realframetime;
852 // copy of realtime from last recieved message, for net trouble icon
853 float last_received_message;
855 // information that is static for the entire time connected to a server
856 struct model_s *model_precache[MAX_MODELS];
857 struct sfx_s *sound_precache[MAX_SOUNDS];
859 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
860 char model_name[MAX_MODELS][MAX_QPATH];
861 char sound_name[MAX_SOUNDS][MAX_QPATH];
863 // for display on solo scoreboard
865 // cl_entitites[cl.viewentity] = player
867 // the real player entity (normally same as viewentity,
868 // different than viewentity if mod uses chasecam or other tricks)
869 int realplayerentity;
870 // this is updated to match cl.viewentity whenever it is in the clients
871 // range, basically this is used in preference to cl.realplayerentity for
872 // most purposes because when spectating another player it should show
873 // their information rather than yours
875 // max players that can be in this game
877 // type of game (deathmatch, coop, singleplayer)
880 // models and sounds used by engine code (particularly cl_parse.c)
882 model_t *model_bolt2;
883 model_t *model_bolt3;
886 sfx_t *sfx_knighthit;
892 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
893 qboolean foundtalk2wav;
895 // refresh related state
897 // cl_entitites[0].model
898 struct model_s *worldmodel;
904 int cdtrack, looptrack;
909 scoreboard_t *scores;
911 // keep track of svc_print parsing state (analyzes ping reports and status reports)
912 cl_parsingtextmode_t parsingtextmode;
913 int parsingtextplayerindex;
914 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
915 // (which could eat the wrong ping report if the player issues one
916 // manually, but they would still see a ping report, just a later one
917 // caused by the scoreboard code rather than the one they intentionally
919 int parsingtextexpectingpingforscores;
921 // entity database stuff
922 // latest received entity frame numbers
923 #define LATESTFRAMENUMS 3
924 int latestframenums[LATESTFRAMENUMS];
925 entityframe_database_t *entitydatabase;
926 entityframe4_database_t *entitydatabase4;
927 entityframeqw_database_t *entitydatabaseqw;
929 // keep track of quake entities because they need to be killed if they get stale
931 unsigned char isquakeentity[MAX_EDICTS];
933 // bounding boxes for clientside movement
934 vec3_t playerstandmins;
935 vec3_t playerstandmaxs;
936 vec3_t playercrouchmins;
937 vec3_t playercrouchmaxs;
940 int max_static_entities;
945 int max_brushmodel_entities;
951 unsigned char *entities_active;
952 entity_t *static_entities;
953 cl_effect_t *effects;
956 lightstyle_t *lightstyle;
957 int *brushmodel_entities;
958 particle_t *particles;
963 int num_static_entities;
964 int num_brushmodel_entities;
972 double particles_updatetime;
973 double decals_updatetime;
977 // cl_serverextension_download feature
978 int loadmodel_current;
979 int downloadmodel_current;
981 int loadsound_current;
982 int downloadsound_current;
984 qboolean downloadcsqc;
987 qboolean loadfinished;
991 // local copy of the server infostring
992 char qw_serverinfo[MAX_SERVERINFO_STRING];
994 // time of last qw "pings" command sent to server while showing scores
995 double last_ping_request;
997 // used during connect
1000 // updated from serverinfo
1003 // unused: indicates whether the player is spectating
1004 // use cl.scores[cl.playerentity-1].qw_spectator instead
1005 //qboolean qw_spectator;
1007 // last time an input packet was sent
1008 double lastpackettime;
1010 // movement parameters for client prediction
1011 float movevars_wallfriction;
1012 float movevars_waterfriction;
1013 float movevars_friction;
1014 float movevars_timescale;
1015 float movevars_gravity;
1016 float movevars_stopspeed;
1017 float movevars_maxspeed;
1018 float movevars_spectatormaxspeed;
1019 float movevars_accelerate;
1020 float movevars_airaccelerate;
1021 float movevars_wateraccelerate;
1022 float movevars_entgravity;
1023 float movevars_jumpvelocity;
1024 float movevars_edgefriction;
1025 float movevars_maxairspeed;
1026 float movevars_stepheight;
1027 float movevars_airaccel_qw;
1028 float movevars_airaccel_sideways_friction;
1030 // models used by qw protocol
1031 int qw_modelindex_spike;
1032 int qw_modelindex_player;
1033 int qw_modelindex_flag;
1034 int qw_modelindex_s_explod;
1036 vec3_t qw_intermission_origin;
1037 vec3_t qw_intermission_angles;
1039 // 255 is the most nails the QW protocol could send
1041 vec_t qw_nails[255][6];
1043 float qw_weaponkick;
1045 int qw_validsequence;
1047 int qw_deltasequence[QW_UPDATE_BACKUP];
1050 // server entity number corresponding to a clientside entity
1051 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1052 qboolean csqc_loaded;
1055 qboolean csqc_usecsqclistener;
1056 matrix4x4_t csqc_listenermatrix;
1057 char csqc_printtextbuf[MAX_INPUTLINE];
1059 // collision culling data
1062 // loc file stuff (points and boxes describing locations in the level)
1063 cl_locnode_t *locnodes;
1064 // this is updated to cl.movement_origin whenever health is < 1
1065 // used by %d print in say/say_team messages if cl_locs_enable is on
1066 vec3_t lastdeathorigin;
1068 // processing buffer used by R_BuildLightMap, reallocated as needed,
1069 // freed on each level change
1070 size_t buildlightmapmemorysize;
1071 unsigned char *buildlightmapmemory;
1078 extern cvar_t cl_name;
1079 extern cvar_t cl_color;
1080 extern cvar_t cl_rate;
1081 extern cvar_t cl_pmodel;
1082 extern cvar_t cl_playermodel;
1083 extern cvar_t cl_playerskin;
1085 extern cvar_t rcon_password;
1086 extern cvar_t rcon_address;
1088 extern cvar_t cl_upspeed;
1089 extern cvar_t cl_forwardspeed;
1090 extern cvar_t cl_backspeed;
1091 extern cvar_t cl_sidespeed;
1093 extern cvar_t cl_movespeedkey;
1095 extern cvar_t cl_yawspeed;
1096 extern cvar_t cl_pitchspeed;
1098 extern cvar_t cl_anglespeedkey;
1100 extern cvar_t cl_autofire;
1102 extern cvar_t cl_shownet;
1103 extern cvar_t cl_nolerp;
1104 extern cvar_t cl_nettimesyncfactor;
1105 extern cvar_t cl_nettimesyncboundmode;
1106 extern cvar_t cl_nettimesyncboundtolerance;
1108 extern cvar_t cl_pitchdriftspeed;
1109 extern cvar_t lookspring;
1110 extern cvar_t lookstrafe;
1111 extern cvar_t sensitivity;
1113 extern cvar_t freelook;
1115 extern cvar_t m_pitch;
1116 extern cvar_t m_yaw;
1117 extern cvar_t m_forward;
1118 extern cvar_t m_side;
1120 extern cvar_t cl_autodemo;
1121 extern cvar_t cl_autodemo_nameformat;
1123 extern cvar_t r_draweffects;
1125 extern cvar_t cl_explosions_alpha_start;
1126 extern cvar_t cl_explosions_alpha_end;
1127 extern cvar_t cl_explosions_size_start;
1128 extern cvar_t cl_explosions_size_end;
1129 extern cvar_t cl_explosions_lifetime;
1130 extern cvar_t cl_stainmaps;
1131 extern cvar_t cl_stainmaps_clearonload;
1133 extern cvar_t cl_prydoncursor;
1135 extern cvar_t cl_locs_enable;
1137 extern client_state_t cl;
1139 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);
1141 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1142 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1144 //=============================================================================
1150 void CL_Shutdown (void);
1151 void CL_Init (void);
1153 void CL_EstablishConnection(const char *host);
1155 void CL_Disconnect (void);
1156 void CL_Disconnect_f (void);
1158 void CL_UpdateRenderEntity(entity_render_t *ent);
1159 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1160 void CL_UpdateViewEntities(void);
1165 typedef struct kbutton_s
1167 int down[2]; // key nums holding it down
1168 int state; // low bit is down state
1172 extern kbutton_t in_mlook, in_klook;
1173 extern kbutton_t in_strafe;
1174 extern kbutton_t in_speed;
1176 void CL_InitInput (void);
1177 void CL_SendMove (void);
1179 void CL_ValidateState(entity_state_t *s);
1180 void CL_MoveLerpEntityStates(entity_t *ent);
1181 void CL_LerpUpdate(entity_t *e);
1182 void CL_ParseTEnt (void);
1183 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1184 void CL_RelinkBeams (void);
1185 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1186 void CL_ClientMovement_Replay(void);
1188 void CL_ClearTempEntities (void);
1189 entity_render_t *CL_NewTempEntity (void);
1191 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1193 void CL_ClearState (void);
1194 void CL_ExpandEntities(int num);
1195 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1198 void CL_UpdateWorld (void);
1199 void CL_WriteToServer (void);
1200 void CL_Input (void);
1201 extern int cl_ignoremousemoves;
1204 float CL_KeyState (kbutton_t *key);
1205 const char *Key_KeynumToString (int keynum);
1206 int Key_StringToKeynum (const char *str);
1211 void CL_StopPlayback(void);
1212 void CL_ReadDemoMessage(void);
1213 void CL_WriteDemoMessage(sizebuf_t *mesage);
1215 void CL_NextDemo(void);
1216 void CL_Stop_f(void);
1217 void CL_Record_f(void);
1218 void CL_PlayDemo_f(void);
1219 void CL_TimeDemo_f(void);
1224 void CL_Parse_Init(void);
1225 void CL_Parse_Shutdown(void);
1226 void CL_ParseServerMessage(void);
1227 void CL_Parse_DumpPacket(void);
1228 void CL_Parse_ErrorCleanUp(void);
1229 void QW_CL_StartUpload(unsigned char *data, int size);
1230 extern cvar_t qport;
1235 void V_StartPitchDrift (void);
1236 void V_StopPitchDrift (void);
1239 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1240 void V_UpdateBlends (void);
1241 void V_ParseDamage (void);
1247 extern cvar_t cl_particles;
1248 extern cvar_t cl_particles_quality;
1249 extern cvar_t cl_particles_size;
1250 extern cvar_t cl_particles_quake;
1251 extern cvar_t cl_particles_blood;
1252 extern cvar_t cl_particles_blood_alpha;
1253 extern cvar_t cl_particles_blood_bloodhack;
1254 extern cvar_t cl_particles_bulletimpacts;
1255 extern cvar_t cl_particles_explosions_sparks;
1256 extern cvar_t cl_particles_explosions_shell;
1257 extern cvar_t cl_particles_rain;
1258 extern cvar_t cl_particles_snow;
1259 extern cvar_t cl_particles_smoke;
1260 extern cvar_t cl_particles_smoke_alpha;
1261 extern cvar_t cl_particles_smoke_alphafade;
1262 extern cvar_t cl_particles_sparks;
1263 extern cvar_t cl_particles_bubbles;
1264 extern cvar_t cl_decals;
1265 extern cvar_t cl_decals_time;
1266 extern cvar_t cl_decals_fadetime;
1268 void CL_Particles_Clear(void);
1269 void CL_Particles_Init(void);
1270 void CL_Particles_Shutdown(void);
1272 typedef enum effectnameindex_s
1276 EFFECT_TE_GUNSHOTQUAD,
1278 EFFECT_TE_SPIKEQUAD,
1279 EFFECT_TE_SUPERSPIKE,
1280 EFFECT_TE_SUPERSPIKEQUAD,
1282 EFFECT_TE_KNIGHTSPIKE,
1283 EFFECT_TE_EXPLOSION,
1284 EFFECT_TE_EXPLOSIONQUAD,
1285 EFFECT_TE_TAREXPLOSION,
1287 EFFECT_TE_LAVASPLASH,
1288 EFFECT_TE_SMALLFLASH,
1293 EFFECT_TE_PLASMABURN,
1295 EFFECT_TE_TEI_SMOKE,
1296 EFFECT_TE_TEI_BIGEXPLOSION,
1297 EFFECT_TE_TEI_PLASMAHIT,
1303 EFFECT_TR_SLIGHTBLOOD,
1304 EFFECT_TR_KNIGHTSPIKE,
1305 EFFECT_TR_VORESPIKE,
1306 EFFECT_TR_NEHAHRASMOKE,
1307 EFFECT_TR_NEXUIZPLASMA,
1308 EFFECT_TR_GLOWTRAIL,
1309 EFFECT_SVC_PARTICLE,
1314 int CL_ParticleEffectIndexForName(const char *name);
1315 const char *CL_ParticleEffectNameForIndex(int i);
1316 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);
1317 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);
1318 void CL_ParseParticleEffect (void);
1319 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);
1320 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1321 void CL_EntityParticles (const entity_t *ent);
1322 void CL_ParticleExplosion (const vec3_t org);
1323 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1324 void R_NewExplosion(const vec3_t org);
1326 void Debug_PolygonBegin(const char *picname, int flags);
1327 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1328 void Debug_PolygonEnd(void);
1330 #include "cl_screen.h"
1332 extern qboolean sb_showscores;
1334 float FogPoint_World(const vec3_t p);
1335 float FogPoint_Model(const vec3_t p);
1336 float FogForDistance(vec_t dist);
1338 typedef struct r_refdef_stats_s
1342 int entities_surfaces;
1343 int entities_triangles;
1347 int world_triangles;
1348 int lightmapupdates;
1349 int lightmapupdatepixels;
1353 int meshes_elements;
1356 int lights_scissored;
1357 int lights_lighttriangles;
1358 int lights_shadowtriangles;
1359 int lights_dynamicshadowtriangles;
1361 int bloom_copypixels;
1362 int bloom_drawpixels;
1366 typedef struct r_refdef_view_s
1368 // view information (changes multiple times per frame)
1369 // if any of these variables change then r_refdef.viewcache must be regenerated
1370 // by calling R_View_Update
1371 // (which also updates viewport, scissor, colormask)
1373 // it is safe and expected to copy this into a structure on the stack and
1374 // call the renderer recursively, then restore from the stack afterward
1375 // (as long as R_View_Update is called)
1377 // eye position information
1378 matrix4x4_t matrix, inverse_matrix;
1384 int numfrustumplanes;
1385 mplane_t frustum[6];
1386 qboolean useclipplane;
1387 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1389 float frustum_x, frustum_y;
1390 vec3_t frustumcorner[4];
1391 // if turned off it renders an ortho view
1393 float ortho_x, ortho_y;
1395 // screen area to render in
1403 // which color components to allow (for anaglyph glasses)
1406 // global RGB color multiplier for rendering, this is required by HDR
1409 // whether to call R_ClearScreen before rendering stuff
1411 // if true, don't clear or do any post process effects (bloom, etc)
1414 // whether to draw r_showtris and such, this is only true for the main
1415 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1416 // distortion effects, etc) omit such debugging information
1419 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1423 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1428 typedef struct r_refdef_viewcache_s
1430 // these properties are generated by R_View_Update()
1432 // which entities are currently visible for this viewpoint
1433 // (the used range is 0...r_refdef.scene.numentities)
1434 unsigned char entityvisible[MAX_EDICTS];
1435 // flag arrays used for visibility checking on world model
1436 // (all other entities have no per-surface/per-leaf visibility checks)
1437 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1438 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1439 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1440 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1441 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1442 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1443 // if true, the view is currently in a leaf without pvs data
1444 qboolean world_novis;
1446 r_refdef_viewcache_t;
1448 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1449 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1450 typedef struct r_refdef_scene_s {
1451 // whether to call S_ExtraUpdate during render to reduce sound chop
1452 qboolean extraupdate;
1454 // (client gameworld) time for rendering time based effects
1458 entity_render_t *worldentity;
1460 // same as worldentity->model
1461 model_t *worldmodel;
1463 // renderable entities (excluding world)
1464 entity_render_t **entities;
1468 // field of temporary entities that is reset each (client) frame
1469 entity_render_t *tempentities;
1470 int numtempentities;
1471 int maxtempentities;
1473 // renderable dynamic lights
1474 rtlight_t lights[MAX_DLIGHTS];
1477 // intensities for light styles right now, controls rtlights
1478 float rtlightstylevalue[256]; // float fraction of base light value
1479 // 8.8bit fixed point intensities for light styles
1480 // controls intensity lightmap layers
1481 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1486 qboolean rtworldshadows;
1488 qboolean rtdlightshadows;
1491 typedef struct r_refdef_s
1493 // these fields define the basic rendering information for the world
1494 // but not the view, which could change multiple times in one rendered
1495 // frame (for example when rendering textures for certain effects)
1497 // these are set for water warping before
1498 // frustum_x/frustum_y are calculated
1499 float frustumscale_x, frustumscale_y;
1501 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1502 r_refdef_view_t view;
1503 r_refdef_viewcache_t viewcache;
1505 // minimum visible distance (pixels closer than this disappear)
1507 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1508 // in 32bpp an infinite-farclip matrix is used instead)
1511 // fullscreen color blend
1514 r_refdef_scene_t scene;
1518 vec_t fograngerecip;
1519 vec_t fogmasktabledistmultiplier;
1520 #define FOGMASKTABLEWIDTH 1024
1521 float fogmasktable[FOGMASKTABLEWIDTH];
1522 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1530 qboolean fogenabled;
1531 qboolean oldgl_fogenable;
1533 qboolean draw2dstage;
1535 // true during envmap command capture
1538 // brightness of world lightmaps and related lighting
1539 // (often reduced when world rtlights are enabled)
1540 float lightmapintensity;
1541 // whether to draw world lights realtime, dlights realtime, and their shadows
1542 float polygonfactor;
1543 float polygonoffset;
1544 float shadowpolygonfactor;
1545 float shadowpolygonoffset;
1547 // rendering stats for r_speeds display
1548 // (these are incremented in many places)
1549 r_refdef_stats_t stats;
1553 extern r_refdef_t r_refdef;