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 lost without a
32 #define CL_MAX_USERCMDS 16
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 // this is R_Shadow_Cubemap(rtlight->cubemapname)
114 rtexture_t *currentcubemap;
117 // true if this light should be compiled as a static light
119 // true if this is a compiled world light, cleared if the light changes
121 // premade shadow volumes to render for world entity
122 shadowmesh_t *static_meshchain_shadow;
123 // used for visibility testing (more exact than bbox)
125 int static_numleafpvsbytes;
126 int *static_leaflist;
127 unsigned char *static_leafpvs;
128 // surfaces seen by light
129 int static_numsurfaces;
130 int *static_surfacelist;
131 // flag bits indicating which triangles of the world model should cast
132 // shadows, and which ones should be lit
134 // this avoids redundantly scanning the triangles in each surface twice
135 // for whether they should cast shadows, once in culling and once in the
136 // actual shadowmarklist production.
137 int static_numshadowtrispvsbytes;
138 unsigned char *static_shadowtrispvs;
139 // this allows the lighting batch code to skip backfaces andother culled
140 // triangles not relevant for lighting
141 // (important on big surfaces such as terrain)
142 int static_numlighttrispvsbytes;
143 unsigned char *static_lighttrispvs;
147 typedef struct dlight_s
149 // destroy light after this time
152 // the entity that owns this light (can be NULL)
154 struct entity_render_s *ent;
156 // (worldlight: saved to .rtlights file)
158 // worldlight orientation
160 // (worldlight: saved to .rtlights file)
162 // dlight orientation/scaling/location
166 // (worldlight: saved to .rtlights file)
168 // cubemap name to use on this light
169 // (worldlight: saved to .rtlights file)
170 char cubemapname[64];
171 // make light flash while selected
174 // brightness (not really radius anymore)
175 // (worldlight: saved to .rtlights file)
177 // drop intensity this much each second
180 // intensity value which is dropped over time
183 // initial values for intensity to modify
187 // light style which controls intensity of this light
188 // (worldlight: saved to .rtlights file)
191 // (worldlight: saved to .rtlights file)
194 // (worldlight: saved to .rtlights file)
196 // radius scale of corona to render (1.0 means same as light radius)
197 // (worldlight: saved to .rtlights file)
198 vec_t coronasizescale;
199 // ambient intensity to render
200 // (worldlight: saved to .rtlights file)
202 // diffuse intensity to render
203 // (worldlight: saved to .rtlights file)
205 // specular intensity to render
206 // (worldlight: saved to .rtlights file)
209 // (worldlight: saved to .rtlights file)
211 // linked list of world lights
213 struct dlight_s *next;
214 // embedded rtlight struct for renderer
220 typedef struct frameblend_s
227 // LordHavoc: this struct is intended for the renderer but some fields are
228 // used by the client.
229 typedef struct entity_render_s
235 // transform matrix for model to world
237 // transform matrix for world to model
238 matrix4x4_t inversematrix;
239 // opacity (alpha) of the model
241 // size the model is shown
246 // number of the entity represents, or 0 for non-network entities
248 // entity shirt and pants colors (-1 if not colormapped)
250 // literal colors for renderer
251 vec3_t colormap_pantscolor;
252 vec3_t colormap_shirtcolor;
253 // light, particles, etc
255 // qw CTF flags and other internal-use-only effect bits
262 // colormod tinting of models
265 // interpolated animation
267 // frame that the model is interpolating from
269 // frame that the model is interpolating to
271 // interpolation factor, usually computed from frame2time
273 // time frame1 began playing (for framegroup animations)
275 // time frame2 began playing (for framegroup animations)
278 // calculated by the renderer (but not persistent)
280 // calculated during R_AddModelEntities
282 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
283 frameblend_t frameblend[4];
285 // current lighting from map
286 vec3_t modellight_ambient;
287 vec3_t modellight_diffuse; // q3bsp
288 vec3_t modellight_lightdir; // q3bsp
290 // last time visible during trace culling
291 double last_trace_visibility;
295 typedef struct entity_persistent_s
301 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
303 // muzzleflash fading
306 // interpolated movement
308 // start time of move
310 // time difference from start to end of move
312 // the move itself, start and end
320 typedef struct entity_s
322 // baseline state (default values)
323 entity_state_t state_baseline;
324 // previous state (interpolating from this)
325 entity_state_t state_previous;
326 // current state (interpolating to this)
327 entity_state_t state_current;
329 // used for regenerating parts of render
330 entity_persistent_t persistent;
332 // the only data the renderer should know about
333 entity_render_t render;
337 typedef struct usercmd_s
341 // intended velocities
346 vec3_t cursor_screen;
349 vec3_t cursor_impact;
350 vec3_t cursor_normal;
351 vec_t cursor_fraction;
352 int cursor_entitynumber;
356 int msec; // for qw moves
360 qboolean applied; // if false we're still accumulating a move
361 qboolean predicted; // if true the sequence should be sent as 0
364 typedef struct lightstyle_s
367 char map[MAX_STYLESTRING];
370 typedef struct scoreboard_s
372 char name[MAX_SCOREBOARDNAME];
374 int colors; // two 4 bit fields
377 char qw_userinfo[MAX_USERINFO_STRING];
383 char qw_skin[MAX_QPATH];
386 typedef struct cshift_s
389 float percent; // 0-256
392 #define CSHIFT_CONTENTS 0
393 #define CSHIFT_DAMAGE 1
394 #define CSHIFT_BONUS 2
395 #define CSHIFT_POWERUP 3
396 #define CSHIFT_VCSHIFT 4
397 #define NUM_CSHIFTS 5
399 #define NAME_LENGTH 64
403 // client_state_t should hold all pieces of the client state
406 #define SIGNONS 4 // signon messages to receive before connected
409 #define MAX_DEMONAME 16
411 typedef enum cactive_e
413 ca_dedicated, // a dedicated server with no ability to start a client
414 ca_disconnected, // full screen console with no connection
415 ca_connected // valid netcon, talking to a server
419 typedef enum qw_downloadtype_e
429 typedef enum capturevideoformat_e
431 CAPTUREVIDEOFORMAT_AVI_I420
433 capturevideoformat_t;
435 typedef struct capturevideostate_s
439 // for AVI saving some values have to be written after capture ends
440 fs_offset_t videofile_firstchunkframes_offset;
441 fs_offset_t videofile_totalframes_offset1;
442 fs_offset_t videofile_totalframes_offset2;
443 fs_offset_t videofile_totalsampleframes_offset;
448 capturevideoformat_t format;
451 int soundsampleframe; // for AVI saving
452 unsigned char *screenbuffer;
453 unsigned char *outbuffer;
454 sizebuf_t riffbuffer;
455 unsigned char riffbufferdata[128];
456 // note: riffindex buffer has an allocated ->data member, not static like most!
457 sizebuf_t riffindexbuffer;
459 fs_offset_t riffstackstartoffset[4];
460 short rgbtoyuvscaletable[3][3][256];
461 unsigned char yuvnormalizetable[3][256];
467 #define CL_MAX_DOWNLOADACKS 4
469 typedef struct cl_downloadack_s
476 // the client_static_t structure is persistent through an arbitrary number
477 // of server connections
479 typedef struct client_static_s
483 // all client memory allocations go in these pools
484 mempool_t *levelmempool;
485 mempool_t *permanentmempool;
488 // -1 = don't play demos
490 // list of demos in loop
491 char demos[MAX_DEMOS][MAX_DEMONAME];
492 // the actively playing demo (set by CL_PlayDemo_f)
495 // demo recording info must be here, because record is started before
496 // entering a map (and clearing client_state_t)
497 qboolean demorecording;
498 qboolean demoplayback;
500 // -1 = use normal cd track
503 // to meter out one message a frame
505 // host_framecount at start
507 // realtime at second frame of timedemo (LordHavoc: changed to double)
509 double td_onesecondnexttime;
510 double td_onesecondframes;
511 double td_onesecondminframes;
512 double td_onesecondmaxframes;
513 double td_onesecondavgframes;
514 int td_onesecondavgcount;
515 // LordHavoc: pausedemo
518 qboolean connect_trying;
519 int connect_remainingtries;
520 double connect_nextsendtime;
521 lhnetsocket_t *connect_mysocket;
522 lhnetaddress_t connect_address;
523 // protocol version of the server we're connected to
524 // (kept outside client_state_t because it's used between levels)
525 protocolversion_t protocol;
527 // connection information
530 // network connection
533 // download information
534 // (note: qw_download variables are also used)
535 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
537 // input sequence numbers are not reset on level change, only connect
539 int servermovesequence;
541 // quakeworld stuff below
543 // value of "qport" cvar at time of connection
545 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
546 int qw_incoming_sequence;
547 int qw_outgoing_sequence;
549 // current file download buffer (only saved when file is completed)
550 char qw_downloadname[MAX_QPATH];
551 unsigned char *qw_downloadmemory;
552 int qw_downloadmemorycursize;
553 int qw_downloadmemorymaxsize;
554 int qw_downloadnumber;
555 int qw_downloadpercent;
556 qw_downloadtype_t qw_downloadtype;
557 // transfer rate display
558 double qw_downloadspeedtime;
559 int qw_downloadspeedcount;
560 int qw_downloadspeedrate;
562 // current file upload buffer (for uploading screenshots to server)
563 unsigned char *qw_uploaddata;
568 // this normally contains the following keys in quakeworld:
569 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
570 char userinfo[MAX_USERINFO_STRING];
572 // video capture stuff
573 capturevideostate_t capturevideo;
577 extern client_static_t cls;
579 typedef struct client_movementqueue_s
590 client_movementqueue_t;
596 qboolean drawenginesbar;
597 qboolean drawcrosshair;
602 PARTICLE_BILLBOARD = 0,
604 PARTICLE_ORIENTED_DOUBLESIDED = 2,
617 typedef struct particletype_s
620 porientation_t orientation;
627 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
631 typedef struct particle_s
633 particletype_t *type;
636 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
638 float sizeincrease; // rate of size change per second
639 float alpha; // 0-255
640 float alphafade; // how much alpha reduces per second
641 float time2; // used for snow fluttering and decal fade
642 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)
643 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
644 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
645 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
646 unsigned char color[4];
647 unsigned int owner; // decal stuck to this entity
648 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
649 vec3_t relativeorigin; // decal at this location in entity's coordinate space
650 vec3_t relativedirection; // decal oriented this way relative to entity's coordinate space
651 float delayedcollisions; // time that p->bounce becomes active
652 float delayedspawn; // time that particle appears and begins moving
653 float die; // time when this particle should be removed, regardless of alpha
657 typedef enum cl_parsingtextmode_e
659 CL_PARSETEXTMODE_NONE,
660 CL_PARSETEXTMODE_PING,
661 CL_PARSETEXTMODE_STATUS,
662 CL_PARSETEXTMODE_STATUS_PLAYERID,
663 CL_PARSETEXTMODE_STATUS_PLAYERIP
665 cl_parsingtextmode_t;
667 typedef struct cl_locnode_s
669 struct cl_locnode_s *next;
676 // the client_state_t structure is wiped completely at every
679 typedef struct client_state_s
681 // true if playing in a local game and no one else is connected
684 // send a clc_nop periodically until connected
687 // current input being accumulated by mouse/joystick/etc input
689 // latest moves sent to the server that have not been confirmed yet
690 usercmd_t movecmd[CL_MAX_USERCMDS];
692 // information for local display
694 int stats[MAX_CL_STATS];
695 float *statsf; // points to stats[] array
696 // last known inventory bit flags, for blinking
698 // cl.time of acquiring item, for blinking
699 float item_gettime[32];
700 // last known STAT_ACTIVEWEAPON
702 // cl.time of changing STAT_ACTIVEWEAPON
704 // use pain anim frame if cl.time < this
706 // for stair smoothing
708 double stairsmoothtime;
710 // color shifts for damage, powerups
711 cshift_t cshifts[NUM_CSHIFTS];
713 cshift_t prev_cshifts[NUM_CSHIFTS];
715 // the client maintains its own idea of view angles, which are
716 // sent to the server each frame. The server sets punchangle when
717 // the view is temporarily offset, and an angle reset commands at the start
718 // of each level and after teleporting.
720 // mviewangles is read from demo
721 // viewangles is either client controlled or lerped from mviewangles
722 vec3_t mviewangles[2], viewangles;
723 // update by server, used by qc to do weapon recoil
724 vec3_t mpunchangle[2], punchangle;
725 // update by server, can be used by mods to kick view around
726 vec3_t mpunchvector[2], punchvector;
727 // update by server, used for lean+bob (0 is newest)
728 vec3_t mvelocity[2], velocity;
729 // update by server, can be used by mods for zooming
730 vec_t mviewzoom[2], viewzoom;
731 // if true interpolation the mviewangles and other interpolation of the
732 // player is disabled until the next network packet
733 // this is used primarily by teleporters, and when spectating players
734 // special checking of the old fixangle[1] is used to differentiate
735 // between teleporting and spectating
736 qboolean fixangle[2];
738 // client movement simulation
739 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
740 // set by CL_ClientMovement_Replay functions
741 qboolean movement_predicted;
742 // if true the CL_ClientMovement_Replay function will update origin, etc
743 qboolean movement_replay;
744 // this is set true by svc_time parsing and causes a new movement to be
745 // queued for prediction purposes
746 qboolean movement_needupdate;
747 // timestamps of latest two predicted moves for interpolation
748 double movement_time[4];
749 // simulated data (this is valid even if cl.movement is false)
750 vec3_t movement_origin;
751 vec3_t movement_oldorigin;
752 vec3_t movement_velocity;
753 // queue of proposed moves
754 int movement_numqueue;
755 client_movementqueue_t movement_queue[256];
756 // whether the replay should allow a jump at the first sequence
757 qboolean movement_replay_canjump;
759 // pitch drifting vars
766 //[515]: added for csqc purposes
767 float sensitivityscale;
768 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
769 qboolean csqc_wantsmousemove;
770 struct model_s *csqc_model_precache[MAX_MODELS];
772 // local amount for smoothing stepups
781 qboolean oldonground;
782 double lastongroundtime;
783 double hitgroundtime;
785 // don't change view angle, full screen, etc
787 // latched at intermission start
788 double completed_time;
790 // the timestamp of the last two messages
793 // clients view of time, time should be between mtime[0] and mtime[1] to
794 // generate a lerp point for other data, oldtime is the previous frame's
795 // value of time, frametime is the difference between time and oldtime
796 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
797 // is only forcefully limited when a packet is received
798 double time, oldtime;
799 // how long it has been since the previous client frame in real time
800 // (not game time, for that use cl.time - cl.oldtime)
801 double realframetime;
803 // copy of realtime from last recieved message, for net trouble icon
804 float last_received_message;
806 // information that is static for the entire time connected to a server
807 struct model_s *model_precache[MAX_MODELS];
808 struct sfx_s *sound_precache[MAX_SOUNDS];
810 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
811 char model_name[MAX_MODELS][MAX_QPATH];
812 char sound_name[MAX_SOUNDS][MAX_QPATH];
814 // for display on solo scoreboard
816 // cl_entitites[cl.viewentity] = player
818 // the real player entity (normally same as viewentity,
819 // different than viewentity if mod uses chasecam or other tricks)
820 int realplayerentity;
821 // this is updated to match cl.viewentity whenever it is in the clients
822 // range, basically this is used in preference to cl.realplayerentity for
823 // most purposes because when spectating another player it should show
824 // their information rather than yours
826 // max players that can be in this game
828 // type of game (deathmatch, coop, singleplayer)
831 // models and sounds used by engine code (particularly cl_parse.c)
833 model_t *model_bolt2;
834 model_t *model_bolt3;
837 sfx_t *sfx_knighthit;
843 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
844 qboolean foundtalk2wav;
846 // refresh related state
848 // cl_entitites[0].model
849 struct model_s *worldmodel;
855 int cdtrack, looptrack;
860 scoreboard_t *scores;
862 // keep track of svc_print parsing state (analyzes ping reports and status reports)
863 cl_parsingtextmode_t parsingtextmode;
864 int parsingtextplayerindex;
865 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
866 // (which could eat the wrong ping report if the player issues one
867 // manually, but they would still see a ping report, just a later one
868 // caused by the scoreboard code rather than the one they intentionally
870 int parsingtextexpectingpingforscores;
872 // entity database stuff
873 // latest received entity frame numbers
874 #define LATESTFRAMENUMS 3
875 int latestframenums[LATESTFRAMENUMS];
876 entityframe_database_t *entitydatabase;
877 entityframe4_database_t *entitydatabase4;
878 entityframeqw_database_t *entitydatabaseqw;
880 // keep track of quake entities because they need to be killed if they get stale
882 unsigned char isquakeentity[MAX_EDICTS];
884 // bounding boxes for clientside movement
885 vec3_t playerstandmins;
886 vec3_t playerstandmaxs;
887 vec3_t playercrouchmins;
888 vec3_t playercrouchmaxs;
891 int max_static_entities;
892 int max_temp_entities;
897 int max_brushmodel_entities;
901 unsigned char *entities_active;
902 entity_t *static_entities;
903 entity_t *temp_entities;
904 cl_effect_t *effects;
907 lightstyle_t *lightstyle;
908 int *brushmodel_entities;
909 particle_t *particles;
912 int num_static_entities;
913 int num_temp_entities;
914 int num_brushmodel_entities;
922 // cl_serverextension_download feature
923 int loadmodel_current;
924 int downloadmodel_current;
926 int loadsound_current;
927 int downloadsound_current;
929 qboolean downloadcsqc;
932 qboolean loadfinished;
936 // local copy of the server infostring
937 char qw_serverinfo[MAX_SERVERINFO_STRING];
939 // time of last qw "pings" command sent to server while showing scores
940 double last_ping_request;
942 // used during connect
945 // updated from serverinfo
948 // unused: indicates whether the player is spectating
949 // use cl.scores[cl.playerentity-1].qw_spectator instead
950 //qboolean qw_spectator;
952 // movement parameters for client prediction
953 float movevars_wallfriction;
954 float movevars_waterfriction;
955 float movevars_friction;
956 float movevars_ticrate;
957 float movevars_timescale;
958 float movevars_gravity;
959 float movevars_stopspeed;
960 float movevars_maxspeed;
961 float movevars_spectatormaxspeed;
962 float movevars_accelerate;
963 float movevars_airaccelerate;
964 float movevars_wateraccelerate;
965 float movevars_entgravity;
966 float movevars_jumpvelocity;
967 float movevars_edgefriction;
968 float movevars_maxairspeed;
969 float movevars_stepheight;
970 float movevars_airaccel_qw;
971 float movevars_airaccel_sideways_friction;
973 // models used by qw protocol
974 int qw_modelindex_spike;
975 int qw_modelindex_player;
976 int qw_modelindex_flag;
977 int qw_modelindex_s_explod;
979 vec3_t qw_intermission_origin;
980 vec3_t qw_intermission_angles;
982 // 255 is the most nails the QW protocol could send
984 vec_t qw_nails[255][6];
988 int qw_validsequence;
990 int qw_deltasequence[QW_UPDATE_BACKUP];
993 // server entity number corresponding to a clientside entity
994 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
995 qboolean csqc_loaded;
998 qboolean csqc_usecsqclistener;
999 matrix4x4_t csqc_listenermatrix;
1000 char csqc_printtextbuf[MAX_INPUTLINE];
1002 // collision culling data
1005 // loc file stuff (points and boxes describing locations in the level)
1006 cl_locnode_t *locnodes;
1007 // this is updated to cl.movement_origin whenever health is < 1
1008 // used by %d print in say/say_team messages if cl_locs_enable is on
1009 vec3_t lastdeathorigin;
1011 // processing buffer used by R_BuildLightMap, reallocated as needed,
1012 // freed on each level change
1013 size_t buildlightmapmemorysize;
1014 unsigned char *buildlightmapmemory;
1021 extern cvar_t cl_name;
1022 extern cvar_t cl_color;
1023 extern cvar_t cl_rate;
1024 extern cvar_t cl_pmodel;
1025 extern cvar_t cl_playermodel;
1026 extern cvar_t cl_playerskin;
1028 extern cvar_t rcon_password;
1029 extern cvar_t rcon_address;
1031 extern cvar_t cl_upspeed;
1032 extern cvar_t cl_forwardspeed;
1033 extern cvar_t cl_backspeed;
1034 extern cvar_t cl_sidespeed;
1036 extern cvar_t cl_movespeedkey;
1038 extern cvar_t cl_yawspeed;
1039 extern cvar_t cl_pitchspeed;
1041 extern cvar_t cl_anglespeedkey;
1043 extern cvar_t cl_autofire;
1045 extern cvar_t cl_shownet;
1046 extern cvar_t cl_nolerp;
1047 extern cvar_t cl_nettimesyncfactor;
1048 extern cvar_t cl_nettimesyncboundmode;
1049 extern cvar_t cl_nettimesyncboundtolerance;
1051 extern cvar_t cl_pitchdriftspeed;
1052 extern cvar_t lookspring;
1053 extern cvar_t lookstrafe;
1054 extern cvar_t sensitivity;
1056 extern cvar_t freelook;
1058 extern cvar_t m_pitch;
1059 extern cvar_t m_yaw;
1060 extern cvar_t m_forward;
1061 extern cvar_t m_side;
1063 extern cvar_t cl_autodemo;
1064 extern cvar_t cl_autodemo_nameformat;
1066 extern cvar_t r_draweffects;
1068 extern cvar_t cl_explosions_alpha_start;
1069 extern cvar_t cl_explosions_alpha_end;
1070 extern cvar_t cl_explosions_size_start;
1071 extern cvar_t cl_explosions_size_end;
1072 extern cvar_t cl_explosions_lifetime;
1073 extern cvar_t cl_stainmaps;
1074 extern cvar_t cl_stainmaps_clearonload;
1076 extern cvar_t cl_prydoncursor;
1078 extern cvar_t cl_locs_enable;
1080 extern client_state_t cl;
1082 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);
1084 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1085 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1087 //=============================================================================
1093 void CL_Shutdown (void);
1094 void CL_Init (void);
1096 void CL_EstablishConnection(const char *host);
1098 void CL_Disconnect (void);
1099 void CL_Disconnect_f (void);
1101 void CL_UpdateRenderEntity(entity_render_t *ent);
1102 void CL_UpdateViewEntities(void);
1107 typedef struct kbutton_s
1109 int down[2]; // key nums holding it down
1110 int state; // low bit is down state
1114 extern kbutton_t in_mlook, in_klook;
1115 extern kbutton_t in_strafe;
1116 extern kbutton_t in_speed;
1118 void CL_InitInput (void);
1119 void CL_SendMove (void);
1121 void CL_ValidateState(entity_state_t *s);
1122 void CL_MoveLerpEntityStates(entity_t *ent);
1123 void CL_LerpUpdate(entity_t *e);
1124 void CL_ParseTEnt (void);
1125 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1126 void CL_RelinkBeams (void);
1127 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1128 void CL_ClientMovement_Replay(void);
1130 void CL_ClearTempEntities (void);
1131 entity_t *CL_NewTempEntity (void);
1133 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1135 void CL_ClearState (void);
1136 void CL_ExpandEntities(int num);
1137 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1140 void CL_UpdateWorld (void);
1141 void CL_WriteToServer (void);
1142 void CL_Input (void);
1143 extern qboolean cl_ignoremousemove;
1146 float CL_KeyState (kbutton_t *key);
1147 const char *Key_KeynumToString (int keynum);
1148 int Key_StringToKeynum (const char *str);
1153 void CL_StopPlayback(void);
1154 void CL_ReadDemoMessage(void);
1155 void CL_WriteDemoMessage(sizebuf_t *mesage);
1157 void CL_NextDemo(void);
1158 void CL_Stop_f(void);
1159 void CL_Record_f(void);
1160 void CL_PlayDemo_f(void);
1161 void CL_TimeDemo_f(void);
1166 void CL_Parse_Init(void);
1167 void CL_Parse_Shutdown(void);
1168 void CL_ParseServerMessage(void);
1169 void CL_Parse_DumpPacket(void);
1170 void CL_Parse_ErrorCleanUp(void);
1171 void QW_CL_StartUpload(unsigned char *data, int size);
1172 extern cvar_t qport;
1177 void V_StartPitchDrift (void);
1178 void V_StopPitchDrift (void);
1181 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1182 void V_UpdateBlends (void);
1183 void V_ParseDamage (void);
1189 extern cvar_t cl_particles;
1190 extern cvar_t cl_particles_quality;
1191 extern cvar_t cl_particles_size;
1192 extern cvar_t cl_particles_quake;
1193 extern cvar_t cl_particles_blood;
1194 extern cvar_t cl_particles_blood_alpha;
1195 extern cvar_t cl_particles_blood_bloodhack;
1196 extern cvar_t cl_particles_bulletimpacts;
1197 extern cvar_t cl_particles_explosions_smoke;
1198 extern cvar_t cl_particles_explosions_sparks;
1199 extern cvar_t cl_particles_explosions_shell;
1200 extern cvar_t cl_particles_rain;
1201 extern cvar_t cl_particles_snow;
1202 extern cvar_t cl_particles_smoke;
1203 extern cvar_t cl_particles_smoke_alpha;
1204 extern cvar_t cl_particles_smoke_alphafade;
1205 extern cvar_t cl_particles_sparks;
1206 extern cvar_t cl_particles_bubbles;
1207 extern cvar_t cl_decals;
1208 extern cvar_t cl_decals_time;
1209 extern cvar_t cl_decals_fadetime;
1211 void CL_Particles_Clear(void);
1212 void CL_Particles_Init(void);
1213 void CL_Particles_Shutdown(void);
1215 typedef enum effectnameindex_s
1219 EFFECT_TE_GUNSHOTQUAD,
1221 EFFECT_TE_SPIKEQUAD,
1222 EFFECT_TE_SUPERSPIKE,
1223 EFFECT_TE_SUPERSPIKEQUAD,
1225 EFFECT_TE_KNIGHTSPIKE,
1226 EFFECT_TE_EXPLOSION,
1227 EFFECT_TE_EXPLOSIONQUAD,
1228 EFFECT_TE_TAREXPLOSION,
1230 EFFECT_TE_LAVASPLASH,
1231 EFFECT_TE_SMALLFLASH,
1236 EFFECT_TE_PLASMABURN,
1238 EFFECT_TE_TEI_SMOKE,
1239 EFFECT_TE_TEI_BIGEXPLOSION,
1240 EFFECT_TE_TEI_PLASMAHIT,
1246 EFFECT_TR_SLIGHTBLOOD,
1247 EFFECT_TR_KNIGHTSPIKE,
1248 EFFECT_TR_VORESPIKE,
1249 EFFECT_TR_NEHAHRASMOKE,
1250 EFFECT_TR_NEXUIZPLASMA,
1251 EFFECT_TR_GLOWTRAIL,
1252 EFFECT_SVC_PARTICLE,
1257 int CL_ParticleEffectIndexForName(const char *name);
1258 const char *CL_ParticleEffectNameForIndex(int i);
1259 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);
1260 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);
1261 void CL_ParseParticleEffect (void);
1262 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);
1263 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1264 void CL_EntityParticles (const entity_t *ent);
1265 void CL_ParticleExplosion (const vec3_t org);
1266 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1267 void CL_MoveParticles(void);
1268 void R_MoveExplosions(void);
1269 void R_NewExplosion(const vec3_t org);
1271 void Debug_PolygonBegin(const char *picname, int flags, qboolean draw2d, float linewidth);
1272 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1273 void Debug_PolygonEnd(void);
1275 #include "cl_screen.h"
1277 extern qboolean sb_showscores;
1279 #define NUMCROSSHAIRS 32
1280 extern cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
1282 float FogPoint_World(const vec3_t p);
1283 float FogPoint_Model(const vec3_t p);
1285 typedef struct r_refdef_stats_s
1288 int entities_surfaces;
1289 int entities_triangles;
1294 int meshes_elements;
1297 int lights_scissored;
1298 int lights_lighttriangles;
1299 int lights_shadowtriangles;
1300 int lights_dynamicshadowtriangles;
1302 int bloom_copypixels;
1303 int bloom_drawpixels;
1307 typedef struct r_refdef_s
1309 // these fields define the basic rendering information for the world
1310 // but not the view, which could change multiple times in one rendered
1311 // frame (for example when rendering textures for certain effects)
1313 // these are set for water warping before
1314 // frustum_x/frustum_y are calculated
1315 float frustumscale_x, frustumscale_y;
1317 // minimum visible distance (pixels closer than this disappear)
1319 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1320 // in 32bpp an infinite-farclip matrix is used instead)
1323 // fullscreen color blend
1326 // whether to call S_ExtraUpdate during render to reduce sound chop
1327 qboolean extraupdate;
1329 // client gameworld time for rendering time based effects
1333 entity_render_t *worldentity;
1335 // same as worldentity->model
1336 model_t *worldmodel;
1338 // renderable entities (excluding world)
1339 entity_render_t **entities;
1343 // renderable dynamic lights
1344 rtlight_t lights[MAX_DLIGHTS];
1347 // 8.8bit fixed point intensities for light styles
1348 // controls intensity of dynamic lights and lightmap layers
1349 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1353 vec_t fograngerecip;
1354 vec_t fogmasktabledistmultiplier;
1355 #define FOGMASKTABLEWIDTH 1024
1356 float fogmasktable[FOGMASKTABLEWIDTH];
1361 qboolean fogenabled;
1362 qboolean oldgl_fogenable;
1364 qboolean draw2dstage;
1366 // true during envmap command capture
1369 // brightness of world lightmaps and related lighting
1370 // (often reduced when world rtlights are enabled)
1371 float lightmapintensity;
1372 // whether to draw world lights realtime, dlights realtime, and their shadows
1374 qboolean rtworldshadows;
1376 qboolean rtdlightshadows;
1377 float polygonfactor;
1378 float polygonoffset;
1379 float shadowpolygonfactor;
1380 float shadowpolygonoffset;
1382 // rendering stats for r_speeds display
1383 // (these are incremented in many places)
1384 r_refdef_stats_t stats;
1388 typedef struct r_view_s
1390 // view information (changes multiple times per frame)
1391 // if any of these variables change then r_viewcache must be regenerated
1392 // by calling R_View_Update
1393 // (which also updates viewport, scissor, colormask)
1395 // it is safe and expected to copy this into a structure on the stack and
1396 // call the renderer recursively, then restore from the stack afterward
1397 // (as long as R_View_Update is called)
1399 // eye position information
1406 int numfrustumplanes;
1407 mplane_t frustum[6];
1408 qboolean useclipplane;
1409 qboolean usecustompvs; // uses r_viewcache.pvsbits as-is rather than computing it
1411 float frustum_x, frustum_y;
1412 vec3_t frustumcorner[4];
1413 // if turned off it renders an ortho view
1415 float ortho_x, ortho_y;
1417 // screen area to render in
1425 // which color components to allow (for anaglyph glasses)
1428 // global RGB color multiplier for rendering, this is required by HDR
1431 // whether to draw r_showtris and such, this is only true for the main
1432 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1433 // distortion effects, etc) omit such debugging information
1436 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1442 typedef struct r_viewcache_s
1444 // these properties are generated by R_View_Update()
1446 // which entities are currently visible for this viewpoint
1447 // (the used range is 0...r_refdef.numentities)
1448 unsigned char entityvisible[MAX_EDICTS];
1449 // flag arrays used for visibility checking on world model
1450 // (all other entities have no per-surface/per-leaf visibility checks)
1451 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
1452 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1453 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
1454 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1455 // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
1456 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1457 // if true, the view is currently in a leaf without pvs data
1458 qboolean world_novis;
1462 extern r_refdef_t r_refdef;
1463 extern r_view_t r_view;
1464 extern r_viewcache_t r_viewcache;