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;
444 int videofile_ix_master_audio_inuse;
445 fs_offset_t videofile_ix_master_audio_inuse_offset;
446 fs_offset_t videofile_ix_master_audio_start_offset;
447 int videofile_ix_master_video_inuse;
448 fs_offset_t videofile_ix_master_video_inuse_offset;
449 fs_offset_t videofile_ix_master_video_start_offset;
450 fs_offset_t videofile_ix_movistart;
455 capturevideoformat_t format;
458 int soundsampleframe; // for AVI saving
459 unsigned char *screenbuffer;
460 unsigned char *outbuffer;
461 sizebuf_t riffbuffer;
462 unsigned char riffbufferdata[128];
463 // note: riffindex buffer has an allocated ->data member, not static like most!
464 sizebuf_t riffindexbuffer;
466 fs_offset_t riffstackstartoffset[4];
467 short rgbtoyuvscaletable[3][3][256];
468 unsigned char yuvnormalizetable[3][256];
474 #define CL_MAX_DOWNLOADACKS 4
476 typedef struct cl_downloadack_s
483 // the client_static_t structure is persistent through an arbitrary number
484 // of server connections
486 typedef struct client_static_s
490 // all client memory allocations go in these pools
491 mempool_t *levelmempool;
492 mempool_t *permanentmempool;
495 // -1 = don't play demos
497 // list of demos in loop
498 char demos[MAX_DEMOS][MAX_DEMONAME];
499 // the actively playing demo (set by CL_PlayDemo_f)
502 // demo recording info must be here, because record is started before
503 // entering a map (and clearing client_state_t)
504 qboolean demorecording;
505 qboolean demoplayback;
507 // -1 = use normal cd track
510 // to meter out one message a frame
512 // host_framecount at start
514 // realtime at second frame of timedemo (LordHavoc: changed to double)
516 double td_onesecondnexttime;
517 double td_onesecondframes;
518 double td_onesecondminframes;
519 double td_onesecondmaxframes;
520 double td_onesecondavgframes;
521 int td_onesecondavgcount;
522 // LordHavoc: pausedemo
525 qboolean connect_trying;
526 int connect_remainingtries;
527 double connect_nextsendtime;
528 lhnetsocket_t *connect_mysocket;
529 lhnetaddress_t connect_address;
530 // protocol version of the server we're connected to
531 // (kept outside client_state_t because it's used between levels)
532 protocolversion_t protocol;
534 // connection information
537 // network connection
540 // download information
541 // (note: qw_download variables are also used)
542 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
544 // input sequence numbers are not reset on level change, only connect
546 int servermovesequence;
548 // quakeworld stuff below
550 // value of "qport" cvar at time of connection
552 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
553 int qw_incoming_sequence;
554 int qw_outgoing_sequence;
556 // current file download buffer (only saved when file is completed)
557 char qw_downloadname[MAX_QPATH];
558 unsigned char *qw_downloadmemory;
559 int qw_downloadmemorycursize;
560 int qw_downloadmemorymaxsize;
561 int qw_downloadnumber;
562 int qw_downloadpercent;
563 qw_downloadtype_t qw_downloadtype;
564 // transfer rate display
565 double qw_downloadspeedtime;
566 int qw_downloadspeedcount;
567 int qw_downloadspeedrate;
569 // current file upload buffer (for uploading screenshots to server)
570 unsigned char *qw_uploaddata;
575 // this normally contains the following keys in quakeworld:
576 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
577 char userinfo[MAX_USERINFO_STRING];
579 // video capture stuff
580 capturevideostate_t capturevideo;
584 extern client_static_t cls;
586 typedef struct client_movementqueue_s
597 client_movementqueue_t;
603 qboolean drawenginesbar;
604 qboolean drawcrosshair;
609 PARTICLE_BILLBOARD = 0,
611 PARTICLE_ORIENTED_DOUBLESIDED = 2,
624 typedef struct particletype_s
627 porientation_t orientation;
634 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
638 typedef struct decal_s
640 unsigned short typeindex;
641 unsigned short texnum;
645 float alpha; // 0-255
646 float time2; // used for snow fluttering and decal fade
647 unsigned char color[4];
648 unsigned int owner; // decal stuck to this entity
649 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
650 vec3_t relativeorigin; // decal at this location in entity's coordinate space
651 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
655 typedef struct particle_s
657 unsigned short typeindex;
658 unsigned short texnum;
660 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
662 float sizeincrease; // rate of size change per second
663 float alpha; // 0-255
664 float alphafade; // how much alpha reduces per second
665 float time2; // used for snow fluttering and decal fade
666 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)
667 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
668 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
669 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
670 unsigned char color[4];
671 float delayedcollisions; // time that p->bounce becomes active
672 float delayedspawn; // time that particle appears and begins moving
673 float die; // time when this particle should be removed, regardless of alpha
677 typedef enum cl_parsingtextmode_e
679 CL_PARSETEXTMODE_NONE,
680 CL_PARSETEXTMODE_PING,
681 CL_PARSETEXTMODE_STATUS,
682 CL_PARSETEXTMODE_STATUS_PLAYERID,
683 CL_PARSETEXTMODE_STATUS_PLAYERIP
685 cl_parsingtextmode_t;
687 typedef struct cl_locnode_s
689 struct cl_locnode_s *next;
695 typedef struct showlmp_s
706 // the client_state_t structure is wiped completely at every
709 typedef struct client_state_s
711 // true if playing in a local game and no one else is connected
714 // send a clc_nop periodically until connected
717 // current input being accumulated by mouse/joystick/etc input
719 // latest moves sent to the server that have not been confirmed yet
720 usercmd_t movecmd[CL_MAX_USERCMDS];
722 // information for local display
724 int stats[MAX_CL_STATS];
725 float *statsf; // points to stats[] array
726 // last known inventory bit flags, for blinking
728 // cl.time of acquiring item, for blinking
729 float item_gettime[32];
730 // last known STAT_ACTIVEWEAPON
732 // cl.time of changing STAT_ACTIVEWEAPON
734 // use pain anim frame if cl.time < this
736 // for stair smoothing
738 double stairsmoothtime;
740 // color shifts for damage, powerups
741 cshift_t cshifts[NUM_CSHIFTS];
743 cshift_t prev_cshifts[NUM_CSHIFTS];
745 // the client maintains its own idea of view angles, which are
746 // sent to the server each frame. The server sets punchangle when
747 // the view is temporarily offset, and an angle reset commands at the start
748 // of each level and after teleporting.
750 // mviewangles is read from demo
751 // viewangles is either client controlled or lerped from mviewangles
752 vec3_t mviewangles[2], viewangles;
753 // update by server, used by qc to do weapon recoil
754 vec3_t mpunchangle[2], punchangle;
755 // update by server, can be used by mods to kick view around
756 vec3_t mpunchvector[2], punchvector;
757 // update by server, used for lean+bob (0 is newest)
758 vec3_t mvelocity[2], velocity;
759 // update by server, can be used by mods for zooming
760 vec_t mviewzoom[2], viewzoom;
761 // if true interpolation the mviewangles and other interpolation of the
762 // player is disabled until the next network packet
763 // this is used primarily by teleporters, and when spectating players
764 // special checking of the old fixangle[1] is used to differentiate
765 // between teleporting and spectating
766 qboolean fixangle[2];
768 // client movement simulation
769 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
770 // set by CL_ClientMovement_Replay functions
771 qboolean movement_predicted;
772 // if true the CL_ClientMovement_Replay function will update origin, etc
773 qboolean movement_replay;
774 // this is set true by svc_time parsing and causes a new movement to be
775 // queued for prediction purposes
776 qboolean movement_needupdate;
777 // timestamps of latest two predicted moves for interpolation
778 double movement_time[4];
779 // simulated data (this is valid even if cl.movement is false)
780 vec3_t movement_origin;
781 vec3_t movement_oldorigin;
782 vec3_t movement_velocity;
783 // queue of proposed moves
784 int movement_numqueue;
785 client_movementqueue_t movement_queue[256];
786 // whether the replay should allow a jump at the first sequence
787 qboolean movement_replay_canjump;
789 // pitch drifting vars
796 //[515]: added for csqc purposes
797 float sensitivityscale;
798 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
799 qboolean csqc_wantsmousemove;
800 struct model_s *csqc_model_precache[MAX_MODELS];
802 // local amount for smoothing stepups
811 qboolean oldonground;
812 double lastongroundtime;
813 double hitgroundtime;
815 // don't change view angle, full screen, etc
817 // latched at intermission start
818 double completed_time;
820 // the timestamp of the last two messages
823 // clients view of time, time should be between mtime[0] and mtime[1] to
824 // generate a lerp point for other data, oldtime is the previous frame's
825 // value of time, frametime is the difference between time and oldtime
826 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
827 // is only forcefully limited when a packet is received
828 double time, oldtime;
829 // how long it has been since the previous client frame in real time
830 // (not game time, for that use cl.time - cl.oldtime)
831 double realframetime;
833 // copy of realtime from last recieved message, for net trouble icon
834 float last_received_message;
836 // information that is static for the entire time connected to a server
837 struct model_s *model_precache[MAX_MODELS];
838 struct sfx_s *sound_precache[MAX_SOUNDS];
840 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
841 char model_name[MAX_MODELS][MAX_QPATH];
842 char sound_name[MAX_SOUNDS][MAX_QPATH];
844 // for display on solo scoreboard
846 // cl_entitites[cl.viewentity] = player
848 // the real player entity (normally same as viewentity,
849 // different than viewentity if mod uses chasecam or other tricks)
850 int realplayerentity;
851 // this is updated to match cl.viewentity whenever it is in the clients
852 // range, basically this is used in preference to cl.realplayerentity for
853 // most purposes because when spectating another player it should show
854 // their information rather than yours
856 // max players that can be in this game
858 // type of game (deathmatch, coop, singleplayer)
861 // models and sounds used by engine code (particularly cl_parse.c)
863 model_t *model_bolt2;
864 model_t *model_bolt3;
867 sfx_t *sfx_knighthit;
873 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
874 qboolean foundtalk2wav;
876 // refresh related state
878 // cl_entitites[0].model
879 struct model_s *worldmodel;
885 int cdtrack, looptrack;
890 scoreboard_t *scores;
892 // keep track of svc_print parsing state (analyzes ping reports and status reports)
893 cl_parsingtextmode_t parsingtextmode;
894 int parsingtextplayerindex;
895 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
896 // (which could eat the wrong ping report if the player issues one
897 // manually, but they would still see a ping report, just a later one
898 // caused by the scoreboard code rather than the one they intentionally
900 int parsingtextexpectingpingforscores;
902 // entity database stuff
903 // latest received entity frame numbers
904 #define LATESTFRAMENUMS 3
905 int latestframenums[LATESTFRAMENUMS];
906 entityframe_database_t *entitydatabase;
907 entityframe4_database_t *entitydatabase4;
908 entityframeqw_database_t *entitydatabaseqw;
910 // keep track of quake entities because they need to be killed if they get stale
912 unsigned char isquakeentity[MAX_EDICTS];
914 // bounding boxes for clientside movement
915 vec3_t playerstandmins;
916 vec3_t playerstandmaxs;
917 vec3_t playercrouchmins;
918 vec3_t playercrouchmaxs;
921 int max_static_entities;
922 int max_temp_entities;
927 int max_brushmodel_entities;
933 unsigned char *entities_active;
934 entity_t *static_entities;
935 entity_t *temp_entities;
936 cl_effect_t *effects;
939 lightstyle_t *lightstyle;
940 int *brushmodel_entities;
941 particle_t *particles;
946 int num_static_entities;
947 int num_temp_entities;
948 int num_brushmodel_entities;
959 // cl_serverextension_download feature
960 int loadmodel_current;
961 int downloadmodel_current;
963 int loadsound_current;
964 int downloadsound_current;
966 qboolean downloadcsqc;
969 qboolean loadfinished;
973 // local copy of the server infostring
974 char qw_serverinfo[MAX_SERVERINFO_STRING];
976 // time of last qw "pings" command sent to server while showing scores
977 double last_ping_request;
979 // used during connect
982 // updated from serverinfo
985 // unused: indicates whether the player is spectating
986 // use cl.scores[cl.playerentity-1].qw_spectator instead
987 //qboolean qw_spectator;
989 // movement parameters for client prediction
990 float movevars_wallfriction;
991 float movevars_waterfriction;
992 float movevars_friction;
993 float movevars_ticrate;
994 float movevars_timescale;
995 float movevars_gravity;
996 float movevars_stopspeed;
997 float movevars_maxspeed;
998 float movevars_spectatormaxspeed;
999 float movevars_accelerate;
1000 float movevars_airaccelerate;
1001 float movevars_wateraccelerate;
1002 float movevars_entgravity;
1003 float movevars_jumpvelocity;
1004 float movevars_edgefriction;
1005 float movevars_maxairspeed;
1006 float movevars_stepheight;
1007 float movevars_airaccel_qw;
1008 float movevars_airaccel_sideways_friction;
1010 // models used by qw protocol
1011 int qw_modelindex_spike;
1012 int qw_modelindex_player;
1013 int qw_modelindex_flag;
1014 int qw_modelindex_s_explod;
1016 vec3_t qw_intermission_origin;
1017 vec3_t qw_intermission_angles;
1019 // 255 is the most nails the QW protocol could send
1021 vec_t qw_nails[255][6];
1023 float qw_weaponkick;
1025 int qw_validsequence;
1027 int qw_deltasequence[QW_UPDATE_BACKUP];
1030 // server entity number corresponding to a clientside entity
1031 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1032 qboolean csqc_loaded;
1035 qboolean csqc_usecsqclistener;
1036 matrix4x4_t csqc_listenermatrix;
1037 char csqc_printtextbuf[MAX_INPUTLINE];
1039 // collision culling data
1042 // loc file stuff (points and boxes describing locations in the level)
1043 cl_locnode_t *locnodes;
1044 // this is updated to cl.movement_origin whenever health is < 1
1045 // used by %d print in say/say_team messages if cl_locs_enable is on
1046 vec3_t lastdeathorigin;
1048 // processing buffer used by R_BuildLightMap, reallocated as needed,
1049 // freed on each level change
1050 size_t buildlightmapmemorysize;
1051 unsigned char *buildlightmapmemory;
1058 extern cvar_t cl_name;
1059 extern cvar_t cl_color;
1060 extern cvar_t cl_rate;
1061 extern cvar_t cl_pmodel;
1062 extern cvar_t cl_playermodel;
1063 extern cvar_t cl_playerskin;
1065 extern cvar_t rcon_password;
1066 extern cvar_t rcon_address;
1068 extern cvar_t cl_upspeed;
1069 extern cvar_t cl_forwardspeed;
1070 extern cvar_t cl_backspeed;
1071 extern cvar_t cl_sidespeed;
1073 extern cvar_t cl_movespeedkey;
1075 extern cvar_t cl_yawspeed;
1076 extern cvar_t cl_pitchspeed;
1078 extern cvar_t cl_anglespeedkey;
1080 extern cvar_t cl_autofire;
1082 extern cvar_t cl_shownet;
1083 extern cvar_t cl_nolerp;
1084 extern cvar_t cl_nettimesyncfactor;
1085 extern cvar_t cl_nettimesyncboundmode;
1086 extern cvar_t cl_nettimesyncboundtolerance;
1088 extern cvar_t cl_pitchdriftspeed;
1089 extern cvar_t lookspring;
1090 extern cvar_t lookstrafe;
1091 extern cvar_t sensitivity;
1093 extern cvar_t freelook;
1095 extern cvar_t m_pitch;
1096 extern cvar_t m_yaw;
1097 extern cvar_t m_forward;
1098 extern cvar_t m_side;
1100 extern cvar_t cl_autodemo;
1101 extern cvar_t cl_autodemo_nameformat;
1103 extern cvar_t r_draweffects;
1105 extern cvar_t cl_explosions_alpha_start;
1106 extern cvar_t cl_explosions_alpha_end;
1107 extern cvar_t cl_explosions_size_start;
1108 extern cvar_t cl_explosions_size_end;
1109 extern cvar_t cl_explosions_lifetime;
1110 extern cvar_t cl_stainmaps;
1111 extern cvar_t cl_stainmaps_clearonload;
1113 extern cvar_t cl_prydoncursor;
1115 extern cvar_t cl_locs_enable;
1117 extern client_state_t cl;
1119 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);
1121 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1122 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1124 //=============================================================================
1130 void CL_Shutdown (void);
1131 void CL_Init (void);
1133 void CL_EstablishConnection(const char *host);
1135 void CL_Disconnect (void);
1136 void CL_Disconnect_f (void);
1138 void CL_UpdateRenderEntity(entity_render_t *ent);
1139 void CL_UpdateViewEntities(void);
1144 typedef struct kbutton_s
1146 int down[2]; // key nums holding it down
1147 int state; // low bit is down state
1151 extern kbutton_t in_mlook, in_klook;
1152 extern kbutton_t in_strafe;
1153 extern kbutton_t in_speed;
1155 void CL_InitInput (void);
1156 void CL_SendMove (void);
1158 void CL_ValidateState(entity_state_t *s);
1159 void CL_MoveLerpEntityStates(entity_t *ent);
1160 void CL_LerpUpdate(entity_t *e);
1161 void CL_ParseTEnt (void);
1162 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1163 void CL_RelinkBeams (void);
1164 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1165 void CL_ClientMovement_Replay(void);
1167 void CL_ClearTempEntities (void);
1168 entity_t *CL_NewTempEntity (void);
1170 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1172 void CL_ClearState (void);
1173 void CL_ExpandEntities(int num);
1174 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1177 void CL_UpdateWorld (void);
1178 void CL_WriteToServer (void);
1179 void CL_Input (void);
1180 extern qboolean cl_ignoremousemove;
1183 float CL_KeyState (kbutton_t *key);
1184 const char *Key_KeynumToString (int keynum);
1185 int Key_StringToKeynum (const char *str);
1190 void CL_StopPlayback(void);
1191 void CL_ReadDemoMessage(void);
1192 void CL_WriteDemoMessage(sizebuf_t *mesage);
1194 void CL_NextDemo(void);
1195 void CL_Stop_f(void);
1196 void CL_Record_f(void);
1197 void CL_PlayDemo_f(void);
1198 void CL_TimeDemo_f(void);
1203 void CL_Parse_Init(void);
1204 void CL_Parse_Shutdown(void);
1205 void CL_ParseServerMessage(void);
1206 void CL_Parse_DumpPacket(void);
1207 void CL_Parse_ErrorCleanUp(void);
1208 void QW_CL_StartUpload(unsigned char *data, int size);
1209 extern cvar_t qport;
1214 void V_StartPitchDrift (void);
1215 void V_StopPitchDrift (void);
1218 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1219 void V_UpdateBlends (void);
1220 void V_ParseDamage (void);
1226 extern cvar_t cl_particles;
1227 extern cvar_t cl_particles_quality;
1228 extern cvar_t cl_particles_size;
1229 extern cvar_t cl_particles_quake;
1230 extern cvar_t cl_particles_blood;
1231 extern cvar_t cl_particles_blood_alpha;
1232 extern cvar_t cl_particles_blood_bloodhack;
1233 extern cvar_t cl_particles_bulletimpacts;
1234 extern cvar_t cl_particles_explosions_sparks;
1235 extern cvar_t cl_particles_explosions_shell;
1236 extern cvar_t cl_particles_rain;
1237 extern cvar_t cl_particles_snow;
1238 extern cvar_t cl_particles_smoke;
1239 extern cvar_t cl_particles_smoke_alpha;
1240 extern cvar_t cl_particles_smoke_alphafade;
1241 extern cvar_t cl_particles_sparks;
1242 extern cvar_t cl_particles_bubbles;
1243 extern cvar_t cl_decals;
1244 extern cvar_t cl_decals_time;
1245 extern cvar_t cl_decals_fadetime;
1247 void CL_Particles_Clear(void);
1248 void CL_Particles_Init(void);
1249 void CL_Particles_Shutdown(void);
1251 typedef enum effectnameindex_s
1255 EFFECT_TE_GUNSHOTQUAD,
1257 EFFECT_TE_SPIKEQUAD,
1258 EFFECT_TE_SUPERSPIKE,
1259 EFFECT_TE_SUPERSPIKEQUAD,
1261 EFFECT_TE_KNIGHTSPIKE,
1262 EFFECT_TE_EXPLOSION,
1263 EFFECT_TE_EXPLOSIONQUAD,
1264 EFFECT_TE_TAREXPLOSION,
1266 EFFECT_TE_LAVASPLASH,
1267 EFFECT_TE_SMALLFLASH,
1272 EFFECT_TE_PLASMABURN,
1274 EFFECT_TE_TEI_SMOKE,
1275 EFFECT_TE_TEI_BIGEXPLOSION,
1276 EFFECT_TE_TEI_PLASMAHIT,
1282 EFFECT_TR_SLIGHTBLOOD,
1283 EFFECT_TR_KNIGHTSPIKE,
1284 EFFECT_TR_VORESPIKE,
1285 EFFECT_TR_NEHAHRASMOKE,
1286 EFFECT_TR_NEXUIZPLASMA,
1287 EFFECT_TR_GLOWTRAIL,
1288 EFFECT_SVC_PARTICLE,
1293 int CL_ParticleEffectIndexForName(const char *name);
1294 const char *CL_ParticleEffectNameForIndex(int i);
1295 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);
1296 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);
1297 void CL_ParseParticleEffect (void);
1298 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);
1299 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1300 void CL_EntityParticles (const entity_t *ent);
1301 void CL_ParticleExplosion (const vec3_t org);
1302 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1303 void CL_MoveDecals(void);
1304 void CL_MoveParticles(void);
1305 void R_MoveExplosions(void);
1306 void R_NewExplosion(const vec3_t org);
1308 void Debug_PolygonBegin(const char *picname, int flags, qboolean draw2d, float linewidth);
1309 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1310 void Debug_PolygonEnd(void);
1312 #include "cl_screen.h"
1314 extern qboolean sb_showscores;
1316 float FogPoint_World(const vec3_t p);
1317 float FogPoint_Model(const vec3_t p);
1318 float FogForDistance(vec_t dist);
1320 typedef struct r_refdef_stats_s
1323 int entities_surfaces;
1324 int entities_triangles;
1328 int world_triangles;
1329 int lightmapupdates;
1330 int lightmapupdatepixels;
1334 int meshes_elements;
1337 int lights_scissored;
1338 int lights_lighttriangles;
1339 int lights_shadowtriangles;
1340 int lights_dynamicshadowtriangles;
1342 int bloom_copypixels;
1343 int bloom_drawpixels;
1347 typedef struct r_refdef_s
1349 // these fields define the basic rendering information for the world
1350 // but not the view, which could change multiple times in one rendered
1351 // frame (for example when rendering textures for certain effects)
1353 // these are set for water warping before
1354 // frustum_x/frustum_y are calculated
1355 float frustumscale_x, frustumscale_y;
1357 // minimum visible distance (pixels closer than this disappear)
1359 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1360 // in 32bpp an infinite-farclip matrix is used instead)
1363 // fullscreen color blend
1366 // whether to call S_ExtraUpdate during render to reduce sound chop
1367 qboolean extraupdate;
1369 // client gameworld time for rendering time based effects
1373 entity_render_t *worldentity;
1375 // same as worldentity->model
1376 model_t *worldmodel;
1378 // renderable entities (excluding world)
1379 entity_render_t **entities;
1383 // renderable dynamic lights
1384 rtlight_t lights[MAX_DLIGHTS];
1387 // intensities for light styles right now, controls rtlights
1388 float rtlightstylevalue[256]; // float fraction of base light value
1389 // 8.8bit fixed point intensities for light styles
1390 // controls intensity lightmap layers
1391 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1395 vec_t fograngerecip;
1396 vec_t fogmasktabledistmultiplier;
1397 #define FOGMASKTABLEWIDTH 1024
1398 float fogmasktable[FOGMASKTABLEWIDTH];
1403 float fog_start, fog_end;
1404 qboolean fogenabled;
1405 qboolean oldgl_fogenable;
1407 qboolean draw2dstage;
1409 // true during envmap command capture
1412 // brightness of world lightmaps and related lighting
1413 // (often reduced when world rtlights are enabled)
1414 float lightmapintensity;
1415 // whether to draw world lights realtime, dlights realtime, and their shadows
1417 qboolean rtworldshadows;
1419 qboolean rtdlightshadows;
1420 float polygonfactor;
1421 float polygonoffset;
1422 float shadowpolygonfactor;
1423 float shadowpolygonoffset;
1425 // rendering stats for r_speeds display
1426 // (these are incremented in many places)
1427 r_refdef_stats_t stats;
1431 typedef struct r_view_s
1433 // view information (changes multiple times per frame)
1434 // if any of these variables change then r_viewcache must be regenerated
1435 // by calling R_View_Update
1436 // (which also updates viewport, scissor, colormask)
1438 // it is safe and expected to copy this into a structure on the stack and
1439 // call the renderer recursively, then restore from the stack afterward
1440 // (as long as R_View_Update is called)
1442 // eye position information
1443 matrix4x4_t matrix, inverse_matrix;
1449 int numfrustumplanes;
1450 mplane_t frustum[6];
1451 qboolean useclipplane;
1452 qboolean usecustompvs; // uses r_viewcache.pvsbits as-is rather than computing it
1454 float frustum_x, frustum_y;
1455 vec3_t frustumcorner[4];
1456 // if turned off it renders an ortho view
1458 float ortho_x, ortho_y;
1460 // screen area to render in
1468 // which color components to allow (for anaglyph glasses)
1471 // global RGB color multiplier for rendering, this is required by HDR
1474 // whether to call R_ClearScreen before rendering stuff
1477 // whether to draw r_showtris and such, this is only true for the main
1478 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1479 // distortion effects, etc) omit such debugging information
1482 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1488 typedef struct r_viewcache_s
1490 // these properties are generated by R_View_Update()
1492 // which entities are currently visible for this viewpoint
1493 // (the used range is 0...r_refdef.numentities)
1494 unsigned char entityvisible[MAX_EDICTS];
1495 // flag arrays used for visibility checking on world model
1496 // (all other entities have no per-surface/per-leaf visibility checks)
1497 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
1498 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1499 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
1500 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1501 // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
1502 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1503 // if true, the view is currently in a leaf without pvs data
1504 qboolean world_novis;
1508 extern r_refdef_t r_refdef;
1509 extern r_view_t r_view;
1510 extern r_viewcache_t r_viewcache;