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 world coordinates to light filter coordinates
73 matrix4x4_t matrix_worldtolight;
74 // typically 1 1 1, can be lower (dim) or higher (overbright)
76 // size of the light (remove?)
80 // light style to monitor for brightness
82 // whether light should render shadows
84 // intensity of corona to render
86 // radius scale of corona to render (1.0 means same as light radius)
87 vec_t coronasizescale;
88 // ambient intensity to render
90 // diffuse intensity to render
92 // specular intensity to render
97 // generated properties
98 // used only for shadow volumes
105 // squared cullradius
108 // rendering properties, updated each time a light is rendered
109 // this is rtlight->color * d_lightstylevalue
111 // this is R_Shadow_Cubemap(rtlight->cubemapname)
112 rtexture_t *currentcubemap;
115 // true if this light should be compiled as a static light
117 // true if this is a compiled world light, cleared if the light changes
119 // premade shadow volumes to render for world entity
120 shadowmesh_t *static_meshchain_shadow;
121 // used for visibility testing (more exact than bbox)
123 int static_numleafpvsbytes;
124 int *static_leaflist;
125 unsigned char *static_leafpvs;
126 // surfaces seen by light
127 int static_numsurfaces;
128 int *static_surfacelist;
132 typedef struct dlight_s
134 // destroy light after this time
137 // the entity that owns this light (can be NULL)
139 struct entity_render_s *ent;
141 // (worldlight: saved to .rtlights file)
143 // worldlight orientation
145 // (worldlight: saved to .rtlights file)
147 // dlight orientation/scaling/location
151 // (worldlight: saved to .rtlights file)
153 // cubemap name to use on this light
154 // (worldlight: saved to .rtlights file)
155 char cubemapname[64];
156 // make light flash while selected
159 // brightness (not really radius anymore)
160 // (worldlight: saved to .rtlights file)
162 // drop intensity this much each second
165 // intensity value which is dropped over time
168 // initial values for intensity to modify
172 // light style which controls intensity of this light
173 // (worldlight: saved to .rtlights file)
176 // (worldlight: saved to .rtlights file)
179 // (worldlight: saved to .rtlights file)
181 // radius scale of corona to render (1.0 means same as light radius)
182 // (worldlight: saved to .rtlights file)
183 vec_t coronasizescale;
184 // ambient intensity to render
185 // (worldlight: saved to .rtlights file)
187 // diffuse intensity to render
188 // (worldlight: saved to .rtlights file)
190 // specular intensity to render
191 // (worldlight: saved to .rtlights file)
194 // (worldlight: saved to .rtlights file)
196 // linked list of world lights
198 struct dlight_s *next;
199 // embedded rtlight struct for renderer
205 typedef struct frameblend_s
212 // LordHavoc: this struct is intended for the renderer but some fields are
213 // used by the client.
214 typedef struct entity_render_s
220 // transform matrix for model to world
222 // transform matrix for world to model
223 matrix4x4_t inversematrix;
224 // opacity (alpha) of the model
226 // size the model is shown
231 // current uninterpolated animation frame (for things which do not use interpolation)
233 // entity shirt and pants colors (-1 if not colormapped)
235 // literal colors for renderer
236 vec3_t colormap_pantscolor;
237 vec3_t colormap_shirtcolor;
238 // light, particles, etc
245 // colormod tinting of models
248 // interpolated animation
250 // frame that the model is interpolating from
252 // frame that the model is interpolating to
254 // interpolation factor, usually computed from frame2time
256 // time frame1 began playing (for framegroup animations)
258 // time frame2 began playing (for framegroup animations)
261 // calculated by the renderer (but not persistent)
263 // calculated during R_AddModelEntities
265 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
266 frameblend_t frameblend[4];
268 // current lighting from map
269 vec3_t modellight_ambient;
270 vec3_t modellight_diffuse; // q3bsp
271 vec3_t modellight_lightdir; // q3bsp
273 // last time visible during trace culling
274 double last_trace_visibility;
278 typedef struct entity_persistent_s
285 // muzzleflash fading
288 // interpolated movement
290 // start time of move
292 // time difference from start to end of move
294 // the move itself, start and end
302 typedef struct entity_s
304 // baseline state (default values)
305 entity_state_t state_baseline;
306 // previous state (interpolating from this)
307 entity_state_t state_previous;
308 // current state (interpolating to this)
309 entity_state_t state_current;
311 // used for regenerating parts of render
312 entity_persistent_t persistent;
314 // the only data the renderer should know about
315 entity_render_t render;
319 typedef struct usercmd_s
323 // intended velocities
328 vec3_t cursor_screen;
331 vec3_t cursor_impact;
332 vec3_t cursor_normal;
333 vec_t cursor_fraction;
334 int cursor_entitynumber;
338 int msec; // for qw moves
342 qboolean applied; // if false we're still accumulating a move
345 typedef struct lightstyle_s
348 char map[MAX_STYLESTRING];
351 typedef struct scoreboard_s
353 char name[MAX_SCOREBOARDNAME];
355 int colors; // two 4 bit fields
358 char qw_userinfo[MAX_USERINFO_STRING];
364 char qw_skin[MAX_QPATH];
367 typedef struct cshift_s
370 float percent; // 0-256
373 #define CSHIFT_CONTENTS 0
374 #define CSHIFT_DAMAGE 1
375 #define CSHIFT_BONUS 2
376 #define CSHIFT_POWERUP 3
377 #define CSHIFT_VCSHIFT 4
378 #define NUM_CSHIFTS 5
380 #define NAME_LENGTH 64
384 // client_state_t should hold all pieces of the client state
387 #define SIGNONS 4 // signon messages to receive before connected
390 #define MAX_DEMONAME 16
392 typedef enum cactive_e
394 ca_dedicated, // a dedicated server with no ability to start a client
395 ca_disconnected, // full screen console with no connection
396 ca_connected // valid netcon, talking to a server
400 typedef enum qw_downloadtype_e
410 typedef enum capturevideoformat_e
412 CAPTUREVIDEOFORMAT_AVI_I420
414 capturevideoformat_t;
416 typedef struct capturevideostate_s
420 // for AVI saving some values have to be written after capture ends
421 fs_offset_t videofile_totalframes_offset1;
422 fs_offset_t videofile_totalframes_offset2;
423 fs_offset_t videofile_totalsampleframes_offset;
428 capturevideoformat_t format;
431 int soundsampleframe; // for AVI saving
432 unsigned char *buffer;
433 sizebuf_t riffbuffer;
434 unsigned char riffbufferdata[128];
435 // note: riffindex buffer has an allocated ->data member, not static like most!
436 sizebuf_t riffindexbuffer;
438 fs_offset_t riffstackstartoffset[4];
439 short rgbtoyuvscaletable[3][3][256];
440 unsigned char yuvnormalizetable[3][256];
445 #define CL_MAX_DOWNLOADACKS 4
447 typedef struct cl_downloadack_s
454 // the client_static_t structure is persistent through an arbitrary number
455 // of server connections
457 typedef struct client_static_s
461 // all client memory allocations go in these pools
462 mempool_t *levelmempool;
463 mempool_t *permanentmempool;
466 // -1 = don't play demos
468 // list of demos in loop
469 char demos[MAX_DEMOS][MAX_DEMONAME];
470 // the actively playing demo (set by CL_PlayDemo_f)
473 // demo recording info must be here, because record is started before
474 // entering a map (and clearing client_state_t)
475 qboolean demorecording;
476 qboolean demoplayback;
478 // -1 = use normal cd track
481 // to meter out one message a frame
483 // host_framecount at start
485 // realtime at second frame of timedemo (LordHavoc: changed to double)
487 double td_onesecondnexttime;
488 double td_onesecondframes;
489 double td_onesecondminframes;
490 double td_onesecondmaxframes;
491 double td_onesecondavgframes;
492 int td_onesecondavgcount;
493 // LordHavoc: pausedemo
496 qboolean connect_trying;
497 int connect_remainingtries;
498 double connect_nextsendtime;
499 lhnetsocket_t *connect_mysocket;
500 lhnetaddress_t connect_address;
501 // protocol version of the server we're connected to
502 // (kept outside client_state_t because it's used between levels)
503 protocolversion_t protocol;
505 // connection information
508 // network connection
511 // download information
512 // (note: qw_download variables are also used)
513 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
515 // input sequence numbers are not reset on level change, only connect
517 int servermovesequence;
519 // quakeworld stuff below
521 // value of "qport" cvar at time of connection
523 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
524 int qw_incoming_sequence;
525 int qw_outgoing_sequence;
527 // current file download buffer (only saved when file is completed)
528 char qw_downloadname[MAX_QPATH];
529 unsigned char *qw_downloadmemory;
530 int qw_downloadmemorycursize;
531 int qw_downloadmemorymaxsize;
532 int qw_downloadnumber;
533 int qw_downloadpercent;
534 qw_downloadtype_t qw_downloadtype;
535 // transfer rate display
536 double qw_downloadspeedtime;
537 int qw_downloadspeedcount;
538 int qw_downloadspeedrate;
540 // current file upload buffer (for uploading screenshots to server)
541 unsigned char *qw_uploaddata;
546 // this normally contains the following keys in quakeworld:
547 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
548 char userinfo[MAX_USERINFO_STRING];
550 // video capture stuff
551 capturevideostate_t capturevideo;
555 extern client_static_t cls;
557 typedef struct client_movementqueue_s
567 client_movementqueue_t;
573 qboolean drawenginesbar;
574 qboolean drawcrosshair;
579 PARTICLE_BILLBOARD = 0,
581 PARTICLE_ORIENTED_DOUBLESIDED = 2,
594 typedef struct particletype_s
597 porientation_t orientation;
604 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
608 typedef struct particle_s
610 particletype_t *type;
613 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
615 float sizeincrease; // rate of size change per second
616 float alpha; // 0-255
617 float alphafade; // how much alpha reduces per second
618 float time2; // used for snow fluttering and decal fade
619 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)
620 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
621 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
622 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
623 unsigned char color[4];
624 unsigned int owner; // decal stuck to this entity
625 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
626 vec3_t relativeorigin; // decal at this location in entity's coordinate space
627 vec3_t relativedirection; // decal oriented this way relative to entity's coordinate space
631 typedef enum cl_parsingtextmode_e
633 CL_PARSETEXTMODE_NONE,
634 CL_PARSETEXTMODE_PING,
635 CL_PARSETEXTMODE_STATUS,
636 CL_PARSETEXTMODE_STATUS_PLAYERID,
637 CL_PARSETEXTMODE_STATUS_PLAYERIP
639 cl_parsingtextmode_t;
642 // the client_state_t structure is wiped completely at every
645 typedef struct client_state_s
647 // true if playing in a local game and no one else is connected
650 // send a clc_nop periodically until connected
653 // current input being accumulated by mouse/joystick/etc input
655 // latest moves sent to the server that have not been confirmed yet
656 usercmd_t movecmd[CL_MAX_USERCMDS];
658 // information for local display
660 int stats[MAX_CL_STATS];
661 // last known inventory bit flags, for blinking
663 // cl.time of acquiring item, for blinking
664 float item_gettime[32];
665 // last known STAT_ACTIVEWEAPON
667 // cl.time of changing STAT_ACTIVEWEAPON
669 // use pain anim frame if cl.time < this
671 // for stair smoothing
673 double stairsmoothtime;
675 // color shifts for damage, powerups
676 cshift_t cshifts[NUM_CSHIFTS];
678 cshift_t prev_cshifts[NUM_CSHIFTS];
680 // the client maintains its own idea of view angles, which are
681 // sent to the server each frame. The server sets punchangle when
682 // the view is temporarily offset, and an angle reset commands at the start
683 // of each level and after teleporting.
685 // mviewangles is read from demo
686 // viewangles is either client controlled or lerped from mviewangles
687 vec3_t mviewangles[2], viewangles;
688 // update by server, used by qc to do weapon recoil
689 vec3_t mpunchangle[2], punchangle;
690 // update by server, can be used by mods to kick view around
691 vec3_t mpunchvector[2], punchvector;
692 // update by server, used for lean+bob (0 is newest)
693 vec3_t mvelocity[2], velocity;
694 // update by server, can be used by mods for zooming
695 vec_t mviewzoom[2], viewzoom;
696 // if true interpolation the mviewangles and other interpolation of the
697 // player is disabled until the next network packet
698 // this is used primarily by teleporters, and when spectating players
699 // special checking of the old fixangle[1] is used to differentiate
700 // between teleporting and spectating
701 qboolean fixangle[2];
703 // client movement simulation
704 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
705 // set by CL_ClientMovement_Replay functions
706 qboolean movement_predicted;
707 // this is set true by svc_time parsing and causes a new movement to be
708 // queued for prediction purposes
709 qboolean movement_needupdate;
710 // timestamps of latest two predicted moves for interpolation
711 double movement_time[4];
712 // simulated data (this is valid even if cl.movement is false)
713 vec3_t movement_origin;
714 vec3_t movement_oldorigin;
715 vec3_t movement_velocity;
716 // queue of proposed moves
717 int movement_numqueue;
718 client_movementqueue_t movement_queue[256];
719 // whether the replay should allow a jump at the first sequence
720 qboolean movement_replay_canjump;
722 // pitch drifting vars
729 //[515]: added for csqc purposes
730 float sensitivityscale;
731 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
732 qboolean csqc_wantsmousemove;
733 struct model_s *csqc_model_precache[MAX_MODELS];
735 // local amount for smoothing stepups
744 qboolean oldonground;
745 double lastongroundtime;
746 double hitgroundtime;
748 // don't change view angle, full screen, etc
750 // latched at intermission start
751 double completed_time;
753 // the timestamp of the last two messages
756 // clients view of time, time should be between mtime[0] and mtime[1] to
757 // generate a lerp point for other data, oldtime is the previous frame's
758 // value of time, frametime is the difference between time and oldtime
759 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
760 // is only forcefully limited when a packet is received
761 double time, oldtime;
762 // how long it has been since the previous client frame in real time
763 // (not game time, for that use cl.time - cl.oldtime)
764 double realframetime;
766 // copy of realtime from last recieved message, for net trouble icon
767 float last_received_message;
769 // information that is static for the entire time connected to a server
770 struct model_s *model_precache[MAX_MODELS];
771 struct sfx_s *sound_precache[MAX_SOUNDS];
773 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
774 char model_name[MAX_MODELS][MAX_QPATH];
775 char sound_name[MAX_SOUNDS][MAX_QPATH];
777 // for display on solo scoreboard
779 // cl_entitites[cl.viewentity] = player
781 // the real player entity (normally same as viewentity,
782 // different than viewentity if mod uses chasecam or other tricks)
784 // max players that can be in this game
786 // type of game (deathmatch, coop, singleplayer)
789 // models and sounds used by engine code (particularly cl_parse.c)
791 model_t *model_bolt2;
792 model_t *model_bolt3;
795 sfx_t *sfx_knighthit;
802 // refresh related state
804 // cl_entitites[0].model
805 struct model_s *worldmodel;
811 int cdtrack, looptrack;
816 scoreboard_t *scores;
818 // keep track of svc_print parsing state (analyzes ping reports and status reports)
819 cl_parsingtextmode_t parsingtextmode;
820 int parsingtextplayerindex;
821 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
822 // (which could eat the wrong ping report if the player issues one
823 // manually, but they would still see a ping report, just a later one
824 // caused by the scoreboard code rather than the one they intentionally
826 int parsingtextexpectingpingforscores;
828 // entity database stuff
829 // latest received entity frame numbers
830 #define LATESTFRAMENUMS 3
831 int latestframenums[LATESTFRAMENUMS];
832 entityframe_database_t *entitydatabase;
833 entityframe4_database_t *entitydatabase4;
834 entityframeqw_database_t *entitydatabaseqw;
836 // keep track of quake entities because they need to be killed if they get stale
838 unsigned char isquakeentity[MAX_EDICTS];
840 // bounding boxes for clientside movement
841 vec3_t playerstandmins;
842 vec3_t playerstandmaxs;
843 vec3_t playercrouchmins;
844 vec3_t playercrouchmaxs;
847 int max_static_entities;
848 int max_temp_entities;
853 int max_brushmodel_entities;
857 unsigned char *entities_active;
858 entity_t *static_entities;
859 entity_t *temp_entities;
860 cl_effect_t *effects;
863 lightstyle_t *lightstyle;
864 int *brushmodel_entities;
865 particle_t *particles;
868 int num_static_entities;
869 int num_temp_entities;
870 int num_brushmodel_entities;
878 // cl_serverextension_download feature
879 int loadmodel_current;
880 int downloadmodel_current;
882 int loadsound_current;
883 int downloadsound_current;
885 qboolean downloadcsqc;
887 qboolean loadfinished;
891 // local copy of the server infostring
892 char qw_serverinfo[MAX_SERVERINFO_STRING];
894 // time of last qw "pings" command sent to server while showing scores
895 double last_ping_request;
897 // used during connect
900 // updated from serverinfo
903 // unused: indicates whether the player is spectating
904 // use cl.scores[cl.playerentity].qw_spectator instead
905 //qboolean qw_spectator;
907 // movement parameters for client prediction
908 float qw_movevars_gravity;
909 float qw_movevars_stopspeed;
910 float qw_movevars_maxspeed; // can change during play
911 float qw_movevars_spectatormaxspeed;
912 float qw_movevars_accelerate;
913 float qw_movevars_airaccelerate;
914 float qw_movevars_wateraccelerate;
915 float qw_movevars_friction;
916 float qw_movevars_waterfriction;
917 float qw_movevars_entgravity; // can change during play
919 // models used by qw protocol
920 int qw_modelindex_spike;
921 int qw_modelindex_player;
922 int qw_modelindex_flag;
923 int qw_modelindex_s_explod;
925 vec3_t qw_intermission_origin;
926 vec3_t qw_intermission_angles;
928 // 255 is the most nails the QW protocol could send
930 vec_t qw_nails[255][6];
934 int qw_validsequence;
936 int qw_deltasequence[QW_UPDATE_BACKUP];
940 // collision culling data
948 extern cvar_t cl_name;
949 extern cvar_t cl_color;
950 extern cvar_t cl_rate;
951 extern cvar_t cl_pmodel;
952 extern cvar_t cl_playermodel;
953 extern cvar_t cl_playerskin;
955 extern cvar_t rcon_password;
956 extern cvar_t rcon_address;
958 extern cvar_t cl_upspeed;
959 extern cvar_t cl_forwardspeed;
960 extern cvar_t cl_backspeed;
961 extern cvar_t cl_sidespeed;
963 extern cvar_t cl_movespeedkey;
965 extern cvar_t cl_yawspeed;
966 extern cvar_t cl_pitchspeed;
968 extern cvar_t cl_anglespeedkey;
970 extern cvar_t cl_autofire;
972 extern cvar_t cl_shownet;
973 extern cvar_t cl_nolerp;
974 extern cvar_t cl_nettimesyncmode;
976 extern cvar_t cl_pitchdriftspeed;
977 extern cvar_t lookspring;
978 extern cvar_t lookstrafe;
979 extern cvar_t sensitivity;
981 extern cvar_t freelook;
983 extern cvar_t m_pitch;
985 extern cvar_t m_forward;
986 extern cvar_t m_side;
988 extern cvar_t cl_autodemo;
989 extern cvar_t cl_autodemo_nameformat;
991 extern cvar_t r_draweffects;
993 extern cvar_t cl_explosions_alpha_start;
994 extern cvar_t cl_explosions_alpha_end;
995 extern cvar_t cl_explosions_size_start;
996 extern cvar_t cl_explosions_size_end;
997 extern cvar_t cl_explosions_lifetime;
998 extern cvar_t cl_stainmaps;
999 extern cvar_t cl_stainmaps_clearonload;
1001 extern cvar_t cl_prydoncursor;
1003 extern client_state_t cl;
1005 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);
1007 //=============================================================================
1013 void CL_Shutdown (void);
1014 void CL_Init (void);
1016 void CL_EstablishConnection(const char *host);
1018 void CL_Disconnect (void);
1019 void CL_Disconnect_f (void);
1021 void CL_UpdateRenderEntity(entity_render_t *ent);
1022 void CL_UpdateEntities(void);
1027 typedef struct kbutton_s
1029 int down[2]; // key nums holding it down
1030 int state; // low bit is down state
1034 extern kbutton_t in_mlook, in_klook;
1035 extern kbutton_t in_strafe;
1036 extern kbutton_t in_speed;
1038 void CL_InitInput (void);
1039 void CL_SendMove (void);
1041 void CL_ValidateState(entity_state_t *s);
1042 void CL_MoveLerpEntityStates(entity_t *ent);
1043 void CL_LerpUpdate(entity_t *e);
1044 void CL_ParseTEnt (void);
1045 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1046 void CL_RelinkBeams (void);
1047 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1049 void CL_ClearTempEntities (void);
1050 entity_t *CL_NewTempEntity (void);
1052 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1054 void CL_ClearState (void);
1055 void CL_ExpandEntities(int num);
1056 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1059 int CL_ReadFromServer (void);
1060 void CL_WriteToServer (void);
1061 void CL_Input (void);
1062 extern qboolean cl_ignoremousemove;
1065 float CL_KeyState (kbutton_t *key);
1066 const char *Key_KeynumToString (int keynum);
1067 int Key_StringToKeynum (const char *str);
1072 void CL_StopPlayback(void);
1073 void CL_ReadDemoMessage(void);
1074 void CL_WriteDemoMessage(void);
1076 void CL_NextDemo(void);
1077 void CL_Stop_f(void);
1078 void CL_Record_f(void);
1079 void CL_PlayDemo_f(void);
1080 void CL_TimeDemo_f(void);
1085 void CL_Parse_Init(void);
1086 void CL_Parse_Shutdown(void);
1087 void CL_ParseServerMessage(void);
1088 void CL_Parse_DumpPacket(void);
1089 void CL_Parse_ErrorCleanUp(void);
1090 void QW_CL_StartUpload(unsigned char *data, int size);
1091 extern cvar_t qport;
1096 void V_StartPitchDrift (void);
1097 void V_StopPitchDrift (void);
1100 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1101 void V_UpdateBlends (void);
1102 void V_ParseDamage (void);
1108 extern cvar_t cl_particles;
1109 extern cvar_t cl_particles_quality;
1110 extern cvar_t cl_particles_size;
1111 extern cvar_t cl_particles_quake;
1112 extern cvar_t cl_particles_blood;
1113 extern cvar_t cl_particles_blood_alpha;
1114 extern cvar_t cl_particles_blood_bloodhack;
1115 extern cvar_t cl_particles_bulletimpacts;
1116 extern cvar_t cl_particles_explosions_bubbles;
1117 extern cvar_t cl_particles_explosions_smoke;
1118 extern cvar_t cl_particles_explosions_sparks;
1119 extern cvar_t cl_particles_explosions_shell;
1120 extern cvar_t cl_particles_smoke;
1121 extern cvar_t cl_particles_smoke_alpha;
1122 extern cvar_t cl_particles_smoke_alphafade;
1123 extern cvar_t cl_particles_sparks;
1124 extern cvar_t cl_particles_bubbles;
1125 extern cvar_t cl_decals;
1126 extern cvar_t cl_decals_time;
1127 extern cvar_t cl_decals_fadetime;
1129 void CL_Particles_Clear(void);
1130 void CL_Particles_Init(void);
1131 void CL_Particles_Shutdown(void);
1133 typedef enum effectnameindex_s
1137 EFFECT_TE_GUNSHOTQUAD,
1139 EFFECT_TE_SPIKEQUAD,
1140 EFFECT_TE_SUPERSPIKE,
1141 EFFECT_TE_SUPERSPIKEQUAD,
1143 EFFECT_TE_KNIGHTSPIKE,
1144 EFFECT_TE_EXPLOSION,
1145 EFFECT_TE_EXPLOSIONQUAD,
1146 EFFECT_TE_TAREXPLOSION,
1148 EFFECT_TE_LAVASPLASH,
1149 EFFECT_TE_SMALLFLASH,
1154 EFFECT_TE_PLASMABURN,
1156 EFFECT_TE_TEI_SMOKE,
1157 EFFECT_TE_TEI_BIGEXPLOSION,
1158 EFFECT_TE_TEI_PLASMAHIT,
1164 EFFECT_TR_SLIGHTBLOOD,
1165 EFFECT_TR_KNIGHTSPIKE,
1166 EFFECT_TR_VORESPIKE,
1167 EFFECT_TR_NEHAHRASMOKE,
1168 EFFECT_TR_NEXUIZPLASMA,
1169 EFFECT_TR_GLOWTRAIL,
1170 EFFECT_SVC_PARTICLE,
1175 int CL_ParticleEffectIndexForName(const char *name);
1176 const char *CL_ParticleEffectNameForIndex(int i);
1177 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);
1178 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);
1179 void CL_ParseParticleEffect (void);
1180 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);
1181 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1182 void CL_EntityParticles (const entity_t *ent);
1183 void CL_ParticleExplosion (const vec3_t org);
1184 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1185 void CL_MoveParticles(void);
1186 void R_MoveExplosions(void);
1187 void R_NewExplosion(const vec3_t org);
1189 void Debug_PolygonBegin(const char *picname, int flags, qboolean draw2d, float linewidth);
1190 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1191 void Debug_PolygonEnd(void);
1193 #include "cl_screen.h"
1195 extern qboolean sb_showscores;
1197 #define NUMCROSSHAIRS 32
1198 extern cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
1200 #define FOGTABLEWIDTH 1024
1201 extern int fogtableindex;
1202 #define VERTEXFOGTABLE(dist) (fogtableindex = (int)((dist) * r_refdef.fogtabledistmultiplier), r_refdef.fogtable[bound(0, fogtableindex, FOGTABLEWIDTH - 1)])
1204 typedef struct r_refdef_stats_s
1207 int entities_surfaces;
1208 int entities_triangles;
1213 int meshes_elements;
1216 int lights_scissored;
1217 int lights_lighttriangles;
1218 int lights_shadowtriangles;
1219 int lights_dynamicshadowtriangles;
1221 int bloom_copypixels;
1222 int bloom_drawpixels;
1226 typedef struct r_refdef_s
1228 // these fields define the basic rendering information for the world
1229 // but not the view, which could change multiple times in one rendered
1230 // frame (for example when rendering textures for certain effects)
1232 // these are set for water warping before
1233 // frustum_x/frustum_y are calculated
1234 float frustumscale_x, frustumscale_y;
1236 // minimum visible distance (pixels closer than this disappear)
1238 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1239 // in 32bpp an infinite-farclip matrix is used instead)
1242 // fullscreen color blend
1245 // whether to call S_ExtraUpdate during render to reduce sound chop
1246 qboolean extraupdate;
1248 // client gameworld time for rendering time based effects
1252 entity_render_t *worldentity;
1254 // same as worldentity->model
1255 model_t *worldmodel;
1257 // renderable entities (excluding world)
1258 entity_render_t **entities;
1262 // renderable dynamic lights
1263 rtlight_t lights[MAX_DLIGHTS];
1266 // 8.8bit fixed point intensities for light styles
1267 // controls intensity of dynamic lights and lightmap layers
1268 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1272 vec_t fograngerecip;
1273 vec_t fogtabledistmultiplier;
1274 float fogtable[FOGTABLEWIDTH];
1279 qboolean fogenabled;
1280 qboolean oldgl_fogenable;
1282 qboolean draw2dstage;
1284 // true during envmap command capture
1287 // brightness of world lightmaps and related lighting
1288 // (often reduced when world rtlights are enabled)
1289 float lightmapintensity;
1290 // whether to draw world lights realtime, dlights realtime, and their shadows
1292 qboolean rtworldshadows;
1294 qboolean rtdlightshadows;
1295 float polygonfactor;
1296 float polygonoffset;
1297 float shadowpolygonfactor;
1298 float shadowpolygonoffset;
1300 // rendering stats for r_speeds display
1301 // (these are incremented in many places)
1302 r_refdef_stats_t stats;
1306 typedef struct r_view_s
1308 // view information (changes multiple times per frame)
1309 // if any of these variables change then r_viewcache must be regenerated
1310 // by calling R_View_Update
1311 // (which also updates viewport, scissor, colormask)
1313 // it is safe and expected to copy this into a structure on the stack and
1314 // call the renderer recursively, then restore from the stack afterward
1315 // (as long as R_View_Update is called)
1317 // eye position information
1324 mplane_t frustum[5];
1325 float frustum_x, frustum_y;
1327 // screen area to render in
1335 // which color components to allow (for anaglyph glasses)
1338 // global RGB color multiplier for rendering, this is required by HDR
1343 typedef struct r_viewcache_s
1345 // these properties are generated by R_View_Update()
1347 // which entities are currently visible for this viewpoint
1348 // (the used range is 0...r_refdef.numentities)
1349 unsigned char entityvisible[MAX_EDICTS];
1350 // flag arrays used for visibility checking on world model
1351 // (all other entities have no per-surface/per-leaf visibility checks)
1352 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
1353 unsigned char world_pvsbits[(32768+7)>>3];
1354 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
1355 unsigned char world_leafvisible[32768];
1356 // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
1357 unsigned char world_surfacevisible[262144];
1358 // if true, the view is currently in a leaf without pvs data
1359 qboolean world_novis;
1363 extern r_refdef_t r_refdef;
1364 extern r_view_t r_view;
1365 extern r_viewcache_t r_viewcache;