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"
28 // LordHavoc: 256 dynamic lights
29 #define MAX_DLIGHTS 256
31 /// this is the maximum number of input packets that can be predicted
32 #define CL_MAX_USERCMDS 128
34 // flags for rtlight rendering
35 #define LIGHTFLAG_NORMALMODE 1
36 #define LIGHTFLAG_REALTIMEMODE 2
38 typedef struct tridecal_s
40 // color and initial alpha value
41 unsigned char colors[3][4];
42 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
44 // if >= 0 this indicates the decal should follow an animated triangle
49 typedef struct decalsystem_s
52 double lastupdatetime;
61 unsigned short *element3s;
65 typedef struct effect_s
74 // these are for interpolation
84 // draw this as lightning polygons, or a model?
86 struct model_s *model;
92 typedef struct rtlight_s
94 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
96 // note that the world to light matrices are inversely scaled (divided) by lightradius
99 /// matrix for transforming light filter coordinates to world coordinates
100 matrix4x4_t matrix_lighttoworld;
101 /// matrix for transforming world coordinates to light filter coordinates
102 matrix4x4_t matrix_worldtolight;
103 /// typically 1 1 1, can be lower (dim) or higher (overbright)
105 /// size of the light (remove?)
108 char cubemapname[64];
109 /// light style to monitor for brightness
111 /// whether light should render shadows
113 /// intensity of corona to render
115 /// radius scale of corona to render (1.0 means same as light radius)
116 vec_t coronasizescale;
117 /// ambient intensity to render
119 /// diffuse intensity to render
121 /// specular intensity to render
123 /// LIGHTFLAG_* flags
126 // generated properties
127 /// used only for shadow volumes
134 // squared cullradius
137 // rendering properties, updated each time a light is rendered
138 // this is rtlight->color * d_lightstylevalue
140 /// used by corona updates, due to occlusion query
141 float corona_visibility;
142 unsigned int corona_queryindex_visiblepixels;
143 unsigned int corona_queryindex_allpixels;
144 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
145 rtexture_t *currentcubemap;
147 /// static light info
148 /// true if this light should be compiled as a static light
150 /// true if this is a compiled world light, cleared if the light changes
152 /// the shadowing mode used to compile this light
154 /// premade shadow volumes to render for world entity
155 shadowmesh_t *static_meshchain_shadow_zpass;
156 shadowmesh_t *static_meshchain_shadow_zfail;
157 shadowmesh_t *static_meshchain_shadow_shadowmap;
158 /// used for visibility testing (more exact than bbox)
160 int static_numleafpvsbytes;
161 int *static_leaflist;
162 unsigned char *static_leafpvs;
163 /// surfaces seen by light
164 int static_numsurfaces;
165 int *static_surfacelist;
166 /// flag bits indicating which triangles of the world model should cast
167 /// shadows, and which ones should be lit
169 /// this avoids redundantly scanning the triangles in each surface twice
170 /// for whether they should cast shadows, once in culling and once in the
171 /// actual shadowmarklist production.
172 int static_numshadowtrispvsbytes;
173 unsigned char *static_shadowtrispvs;
174 /// this allows the lighting batch code to skip backfaces andother culled
175 /// triangles not relevant for lighting
176 /// (important on big surfaces such as terrain)
177 int static_numlighttrispvsbytes;
178 unsigned char *static_lighttrispvs;
179 /// masks of all shadowmap sides that have any potential static receivers or casters
180 int static_shadowmap_receivers;
181 int static_shadowmap_casters;
185 typedef struct dlight_s
187 // destroy light after this time
190 // the entity that owns this light (can be NULL)
192 struct entity_render_s *ent;
194 // (worldlight: saved to .rtlights file)
196 // worldlight orientation
198 // (worldlight: saved to .rtlights file)
200 // dlight orientation/scaling/location
204 // (worldlight: saved to .rtlights file)
206 // cubemap name to use on this light
207 // (worldlight: saved to .rtlights file)
208 char cubemapname[64];
209 // make light flash while selected
212 // brightness (not really radius anymore)
213 // (worldlight: saved to .rtlights file)
215 // drop intensity this much each second
218 // intensity value which is dropped over time
221 // initial values for intensity to modify
225 // light style which controls intensity of this light
226 // (worldlight: saved to .rtlights file)
229 // (worldlight: saved to .rtlights file)
232 // (worldlight: saved to .rtlights file)
234 // radius scale of corona to render (1.0 means same as light radius)
235 // (worldlight: saved to .rtlights file)
236 vec_t coronasizescale;
237 // ambient intensity to render
238 // (worldlight: saved to .rtlights file)
240 // diffuse intensity to render
241 // (worldlight: saved to .rtlights file)
243 // specular intensity to render
244 // (worldlight: saved to .rtlights file)
247 // (worldlight: saved to .rtlights file)
249 // linked list of world lights
251 struct dlight_s *next;
252 // embedded rtlight struct for renderer
258 #define MAX_FRAMEGROUPBLENDS 4
259 typedef struct framegroupblend_s
261 // animation number and blend factor
262 // (for most models this is the frame number)
265 // time frame began playing (for framegroup animations)
270 // this is derived from processing of the framegroupblend array
271 // note: technically each framegroupblend can produce two of these, but that
272 // never happens in practice because no one blends between more than 2
273 // framegroups at once
274 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
275 typedef struct frameblend_s
282 // LordHavoc: this struct is intended for the renderer but some fields are
283 // used by the client.
285 // The renderer should not rely on any changes to this struct to be persistent
286 // across multiple frames because temp entities are wiped every frame, but it
287 // is acceptable to cache things in this struct that are not critical.
289 // For example the r_cullentities_trace code does such caching.
290 typedef struct entity_render_s
296 // transform matrix for model to world
298 // transform matrix for world to model
299 matrix4x4_t inversematrix;
300 // opacity (alpha) of the model
302 // size the model is shown
304 // transparent sorting offset
305 float transparent_offset;
309 // number of the entity represents, or 0 for non-network entities
311 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
312 vec3_t colormap_pantscolor;
313 vec3_t colormap_shirtcolor;
314 // light, particles, etc
316 // qw CTF flags and other internal-use-only effect bits
323 // colormod tinting of models
327 // interpolated animation - active framegroups and blend factors
328 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
330 // time of last model change (for shader animations)
333 // calculated by the renderer (but not persistent)
335 // calculated during R_AddModelEntities
337 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
338 frameblend_t frameblend[MAX_FRAMEBLENDS];
340 // animation cache index
343 // current lighting from map (updated ONLY by client code, not renderer)
344 vec3_t modellight_ambient;
345 vec3_t modellight_diffuse; // q3bsp
346 vec3_t modellight_lightdir; // q3bsp
348 // storage of decals on this entity
349 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
351 decalsystem_t decalsystem;
353 // FIELDS UPDATED BY RENDERER:
354 // last time visible during trace culling
355 double last_trace_visibility;
359 typedef struct entity_persistent_s
365 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
367 // muzzleflash fading
370 // interpolated movement
372 // start time of move
374 // time difference from start to end of move
376 // the move itself, start and end
384 typedef struct entity_s
386 // baseline state (default values)
387 entity_state_t state_baseline;
388 // previous state (interpolating from this)
389 entity_state_t state_previous;
390 // current state (interpolating to this)
391 entity_state_t state_current;
393 // used for regenerating parts of render
394 entity_persistent_t persistent;
396 // the only data the renderer should know about
397 entity_render_t render;
401 typedef struct usercmd_s
405 // intended velocities
410 vec3_t cursor_screen;
413 vec3_t cursor_impact;
414 vec3_t cursor_normal;
415 vec_t cursor_fraction;
416 int cursor_entitynumber;
418 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
419 double receivetime; // time the move was received at
420 double clienttime; // time to which server state the move corresponds to
421 int msec; // for predicted moves
425 qboolean applied; // if false we're still accumulating a move
426 qboolean predicted; // if true the sequence should be sent as 0
428 // derived properties
435 typedef struct lightstyle_s
438 char map[MAX_STYLESTRING];
441 typedef struct scoreboard_s
443 char name[MAX_SCOREBOARDNAME];
445 int colors; // two 4 bit fields
448 char qw_userinfo[MAX_USERINFO_STRING];
454 char qw_skin[MAX_QPATH];
457 typedef struct cshift_s
460 float percent; // 0-255
461 float alphafade; // (any speed)
464 #define CSHIFT_CONTENTS 0
465 #define CSHIFT_DAMAGE 1
466 #define CSHIFT_BONUS 2
467 #define CSHIFT_POWERUP 3
468 #define CSHIFT_VCSHIFT 4
469 #define NUM_CSHIFTS 5
471 #define NAME_LENGTH 64
475 // client_state_t should hold all pieces of the client state
478 #define SIGNONS 4 // signon messages to receive before connected
481 #define MAX_DEMONAME 16
483 typedef enum cactive_e
485 ca_uninitialized, // during early startup
486 ca_dedicated, // a dedicated server with no ability to start a client
487 ca_disconnected, // full screen console with no connection
488 ca_connected // valid netcon, talking to a server
492 typedef enum qw_downloadtype_e
502 typedef enum capturevideoformat_e
504 CAPTUREVIDEOFORMAT_AVI_I420,
505 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
507 capturevideoformat_t;
509 typedef struct capturevideostate_s
511 double startrealtime;
524 int soundsampleframe;
525 unsigned char *screenbuffer;
526 unsigned char *outbuffer;
527 char basename[MAX_QPATH];
530 // precomputed RGB to YUV tables
531 // converts the RGB values to YUV (see cap_avi.c for how to use them)
532 short rgbtoyuvscaletable[3][3][256];
533 unsigned char yuvnormalizetable[3][256];
535 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
536 // note: to map from these values to RGB24, you have to multiply by 255.0/65535.0, then add 0.5, then cast to integer
537 unsigned short vidramp[256 * 3];
539 // stuff to be filled in by the video format module
540 capturevideoformat_t format;
541 const char *formatextension;
544 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
545 void (*endvideo) (void);
546 void (*videoframes) (int num);
547 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
549 // format specific data
550 void *formatspecific;
554 #define CL_MAX_DOWNLOADACKS 4
556 typedef struct cl_downloadack_s
562 typedef struct cl_soundstats_s
566 int latency_milliseconds;
571 // the client_static_t structure is persistent through an arbitrary number
572 // of server connections
574 typedef struct client_static_s
578 // all client memory allocations go in these pools
579 mempool_t *levelmempool;
580 mempool_t *permanentmempool;
583 // -1 = don't play demos
585 // list of demos in loop
586 char demos[MAX_DEMOS][MAX_DEMONAME];
587 // the actively playing demo (set by CL_PlayDemo_f)
588 char demoname[MAX_QPATH];
590 // demo recording info must be here, because record is started before
591 // entering a map (and clearing client_state_t)
592 qboolean demorecording;
593 fs_offset_t demo_lastcsprogssize;
594 int demo_lastcsprogscrc;
595 qboolean demoplayback;
597 // -1 = use normal cd track
600 // realtime at second frame of timedemo (LordHavoc: changed to double)
602 int td_frames; // total frames parsed
603 double td_onesecondnexttime;
604 double td_onesecondframes;
605 double td_onesecondrealtime;
606 double td_onesecondminfps;
607 double td_onesecondmaxfps;
608 double td_onesecondavgfps;
609 int td_onesecondavgcount;
610 // LordHavoc: pausedemo
613 // sound mixer statistics for showsound display
614 cl_soundstats_t soundstats;
616 qboolean connect_trying;
617 int connect_remainingtries;
618 double connect_nextsendtime;
619 lhnetsocket_t *connect_mysocket;
620 lhnetaddress_t connect_address;
621 // protocol version of the server we're connected to
622 // (kept outside client_state_t because it's used between levels)
623 protocolversion_t protocol;
627 lhnetaddress_t rcon_addresses[MAX_RCONS];
628 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
629 double rcon_timeout[MAX_RCONS];
632 // connection information
635 // network connection
638 // download information
639 // (note: qw_download variables are also used)
640 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
642 // input sequence numbers are not reset on level change, only connect
644 int servermovesequence;
646 // quakeworld stuff below
648 // value of "qport" cvar at time of connection
650 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
651 int qw_incoming_sequence;
652 int qw_outgoing_sequence;
654 // current file download buffer (only saved when file is completed)
655 char qw_downloadname[MAX_QPATH];
656 unsigned char *qw_downloadmemory;
657 int qw_downloadmemorycursize;
658 int qw_downloadmemorymaxsize;
659 int qw_downloadnumber;
660 int qw_downloadpercent;
661 qw_downloadtype_t qw_downloadtype;
662 // transfer rate display
663 double qw_downloadspeedtime;
664 int qw_downloadspeedcount;
665 int qw_downloadspeedrate;
666 qboolean qw_download_deflate;
668 // current file upload buffer (for uploading screenshots to server)
669 unsigned char *qw_uploaddata;
674 // this normally contains the following keys in quakeworld:
675 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
676 char userinfo[MAX_USERINFO_STRING];
678 // video capture stuff
679 capturevideostate_t capturevideo;
683 extern client_static_t cls;
685 typedef struct client_movementqueue_s
696 client_movementqueue_t;
702 qboolean drawenginesbar;
703 qboolean drawcrosshair;
708 PARTICLE_BILLBOARD = 0,
710 PARTICLE_ORIENTED_DOUBLESIDED = 2,
713 PARTICLE_INVALID = -1
726 typedef struct particletype_s
729 porientation_t orientation;
736 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
740 typedef struct decal_s
742 // fields used by rendering: (44 bytes)
743 unsigned short typeindex;
744 unsigned short texnum;
748 float alpha; // 0-255
749 unsigned char color[3];
750 unsigned char unused1;
751 int clusterindex; // cheap culling by pvs
753 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
754 float time2; // used for decal fade
755 unsigned int owner; // decal stuck to this entity
756 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
757 vec3_t relativeorigin; // decal at this location in entity's coordinate space
758 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
762 typedef struct particle_s
764 // fields used by rendering: (40 bytes)
765 unsigned char typeindex;
767 porientation_t orientation;
768 unsigned char texnum;
770 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
772 float alpha; // 0-255
773 unsigned char color[3];
774 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
775 float stretch; // only for sparks
777 signed char staintexnum;
778 float stainsizefactor;
780 // fields not used by rendering: (40 bytes)
781 float sizeincrease; // rate of size change per second
782 float alphafade; // how much alpha reduces per second
783 float time2; // used for snow fluttering and decal fade
784 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)
785 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
786 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
787 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
788 float delayedcollisions; // time that p->bounce becomes active
789 float delayedspawn; // time that particle appears and begins moving
790 float die; // time when this particle should be removed, regardless of alpha
794 typedef enum cl_parsingtextmode_e
796 CL_PARSETEXTMODE_NONE,
797 CL_PARSETEXTMODE_PING,
798 CL_PARSETEXTMODE_STATUS,
799 CL_PARSETEXTMODE_STATUS_PLAYERID,
800 CL_PARSETEXTMODE_STATUS_PLAYERIP
802 cl_parsingtextmode_t;
804 typedef struct cl_locnode_s
806 struct cl_locnode_s *next;
812 typedef struct showlmp_s
823 // the client_state_t structure is wiped completely at every
826 typedef struct client_state_s
828 // true if playing in a local game and no one else is connected
831 // send a clc_nop periodically until connected
834 // current input being accumulated by mouse/joystick/etc input
836 // latest moves sent to the server that have not been confirmed yet
837 usercmd_t movecmd[CL_MAX_USERCMDS];
839 // information for local display
841 int stats[MAX_CL_STATS];
842 float *statsf; // points to stats[] array
843 // last known inventory bit flags, for blinking
845 // cl.time of acquiring item, for blinking
846 float item_gettime[32];
847 // last known STAT_ACTIVEWEAPON
849 // cl.time of changing STAT_ACTIVEWEAPON
851 // use pain anim frame if cl.time < this
853 // for stair smoothing
855 double stairsmoothtime;
857 // color shifts for damage, powerups
858 cshift_t cshifts[NUM_CSHIFTS];
860 cshift_t prev_cshifts[NUM_CSHIFTS];
862 // the client maintains its own idea of view angles, which are
863 // sent to the server each frame. The server sets punchangle when
864 // the view is temporarily offset, and an angle reset commands at the start
865 // of each level and after teleporting.
867 // mviewangles is read from demo
868 // viewangles is either client controlled or lerped from mviewangles
869 vec3_t mviewangles[2], viewangles;
870 // update by server, used by qc to do weapon recoil
871 vec3_t mpunchangle[2], punchangle;
872 // update by server, can be used by mods to kick view around
873 vec3_t mpunchvector[2], punchvector;
874 // update by server, used for lean+bob (0 is newest)
875 vec3_t mvelocity[2], velocity;
876 // update by server, can be used by mods for zooming
877 vec_t mviewzoom[2], viewzoom;
878 // if true interpolation the mviewangles and other interpolation of the
879 // player is disabled until the next network packet
880 // this is used primarily by teleporters, and when spectating players
881 // special checking of the old fixangle[1] is used to differentiate
882 // between teleporting and spectating
883 qboolean fixangle[2];
885 // client movement simulation
886 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
887 // set by CL_ClientMovement_Replay functions
888 qboolean movement_predicted;
889 // if true the CL_ClientMovement_Replay function will update origin, etc
890 qboolean movement_replay;
891 // simulated data (this is valid even if cl.movement is false)
892 vec3_t movement_origin;
893 vec3_t movement_velocity;
894 // whether the replay should allow a jump at the first sequence
895 qboolean movement_replay_canjump;
897 // pitch drifting vars
904 //[515]: added for csqc purposes
905 float sensitivityscale;
906 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
907 qboolean csqc_wantsmousemove;
908 struct model_s *csqc_model_precache[MAX_MODELS];
910 // local amount for smoothing stepups
919 qboolean oldonground;
920 double lastongroundtime;
921 double hitgroundtime;
923 // don't change view angle, full screen, etc
925 // latched at intermission start
926 double completed_time;
928 // the timestamp of the last two messages
931 // clients view of time, time should be between mtime[0] and mtime[1] to
932 // generate a lerp point for other data, oldtime is the previous frame's
933 // value of time, frametime is the difference between time and oldtime
934 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
935 // is only forcefully limited when a packet is received
936 double time, oldtime;
937 // how long it has been since the previous client frame in real time
938 // (not game time, for that use cl.time - cl.oldtime)
939 double realframetime;
941 // fade var for fading while dead
944 // motionblur alpha level variable
945 float motionbluralpha;
947 // copy of realtime from last recieved message, for net trouble icon
948 float last_received_message;
950 // information that is static for the entire time connected to a server
951 struct model_s *model_precache[MAX_MODELS];
952 struct sfx_s *sound_precache[MAX_SOUNDS];
954 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
955 char model_name[MAX_MODELS][MAX_QPATH];
956 char sound_name[MAX_SOUNDS][MAX_QPATH];
958 // for display on solo scoreboard
960 // cl_entitites[cl.viewentity] = player
962 // the real player entity (normally same as viewentity,
963 // different than viewentity if mod uses chasecam or other tricks)
964 int realplayerentity;
965 // this is updated to match cl.viewentity whenever it is in the clients
966 // range, basically this is used in preference to cl.realplayerentity for
967 // most purposes because when spectating another player it should show
968 // their information rather than yours
970 // max players that can be in this game
972 // type of game (deathmatch, coop, singleplayer)
975 // models and sounds used by engine code (particularly cl_parse.c)
976 dp_model_t *model_bolt;
977 dp_model_t *model_bolt2;
978 dp_model_t *model_bolt3;
979 dp_model_t *model_beam;
981 sfx_t *sfx_knighthit;
987 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
988 qboolean foundtalk2wav;
990 // refresh related state
992 // cl_entitites[0].model
993 struct model_s *worldmodel;
999 int cdtrack, looptrack;
1004 scoreboard_t *scores;
1006 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1007 cl_parsingtextmode_t parsingtextmode;
1008 int parsingtextplayerindex;
1009 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1010 // (which could eat the wrong ping report if the player issues one
1011 // manually, but they would still see a ping report, just a later one
1012 // caused by the scoreboard code rather than the one they intentionally
1014 int parsingtextexpectingpingforscores;
1016 // entity database stuff
1017 // latest received entity frame numbers
1018 #define LATESTFRAMENUMS 3
1019 int latestframenums[LATESTFRAMENUMS];
1020 entityframe_database_t *entitydatabase;
1021 entityframe4_database_t *entitydatabase4;
1022 entityframeqw_database_t *entitydatabaseqw;
1024 // keep track of quake entities because they need to be killed if they get stale
1025 int lastquakeentity;
1026 unsigned char isquakeentity[MAX_EDICTS];
1028 // bounding boxes for clientside movement
1029 vec3_t playerstandmins;
1030 vec3_t playerstandmaxs;
1031 vec3_t playercrouchmins;
1032 vec3_t playercrouchmaxs;
1035 int max_static_entities;
1040 int max_brushmodel_entities;
1046 unsigned char *entities_active;
1047 entity_t *static_entities;
1048 cl_effect_t *effects;
1051 lightstyle_t *lightstyle;
1052 int *brushmodel_entities;
1053 particle_t *particles;
1055 showlmp_t *showlmps;
1058 int num_static_entities;
1059 int num_brushmodel_entities;
1067 double particles_updatetime;
1068 double decals_updatetime;
1072 // cl_serverextension_download feature
1073 int loadmodel_current;
1074 int downloadmodel_current;
1075 int loadmodel_total;
1076 int loadsound_current;
1077 int downloadsound_current;
1078 int loadsound_total;
1079 qboolean downloadcsqc;
1082 qboolean loadfinished;
1086 // local copy of the server infostring
1087 char qw_serverinfo[MAX_SERVERINFO_STRING];
1089 // time of last qw "pings" command sent to server while showing scores
1090 double last_ping_request;
1092 // used during connect
1095 // updated from serverinfo
1098 // unused: indicates whether the player is spectating
1099 // use cl.scores[cl.playerentity-1].qw_spectator instead
1100 //qboolean qw_spectator;
1102 // last time an input packet was sent
1103 double lastpackettime;
1105 // movement parameters for client prediction
1106 unsigned int moveflags;
1107 float movevars_wallfriction;
1108 float movevars_waterfriction;
1109 float movevars_friction;
1110 float movevars_timescale;
1111 float movevars_gravity;
1112 float movevars_stopspeed;
1113 float movevars_maxspeed;
1114 float movevars_spectatormaxspeed;
1115 float movevars_accelerate;
1116 float movevars_airaccelerate;
1117 float movevars_wateraccelerate;
1118 float movevars_entgravity;
1119 float movevars_jumpvelocity;
1120 float movevars_edgefriction;
1121 float movevars_maxairspeed;
1122 float movevars_stepheight;
1123 float movevars_airaccel_qw;
1124 float movevars_airaccel_sideways_friction;
1125 float movevars_airstopaccelerate;
1126 float movevars_airstrafeaccelerate;
1127 float movevars_maxairstrafespeed;
1128 float movevars_aircontrol;
1129 float movevars_warsowbunny_airforwardaccel;
1130 float movevars_warsowbunny_accel;
1131 float movevars_warsowbunny_topspeed;
1132 float movevars_warsowbunny_turnaccel;
1133 float movevars_warsowbunny_backtosideratio;
1134 float movevars_ticrate;
1136 // models used by qw protocol
1137 int qw_modelindex_spike;
1138 int qw_modelindex_player;
1139 int qw_modelindex_flag;
1140 int qw_modelindex_s_explod;
1142 vec3_t qw_intermission_origin;
1143 vec3_t qw_intermission_angles;
1145 // 255 is the most nails the QW protocol could send
1147 vec_t qw_nails[255][6];
1149 float qw_weaponkick;
1151 int qw_validsequence;
1153 int qw_deltasequence[QW_UPDATE_BACKUP];
1156 // server entity number corresponding to a clientside entity
1157 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1158 qboolean csqc_loaded;
1161 qboolean csqc_usecsqclistener;
1162 matrix4x4_t csqc_listenermatrix;
1163 char csqc_printtextbuf[MAX_INPUTLINE];
1165 // collision culling data
1168 // loc file stuff (points and boxes describing locations in the level)
1169 cl_locnode_t *locnodes;
1170 // this is updated to cl.movement_origin whenever health is < 1
1171 // used by %d print in say/say_team messages if cl_locs_enable is on
1172 vec3_t lastdeathorigin;
1174 // processing buffer used by R_BuildLightMap, reallocated as needed,
1175 // freed on each level change
1176 size_t buildlightmapmemorysize;
1177 unsigned char *buildlightmapmemory;
1184 extern cvar_t cl_name;
1185 extern cvar_t cl_color;
1186 extern cvar_t cl_rate;
1187 extern cvar_t cl_pmodel;
1188 extern cvar_t cl_playermodel;
1189 extern cvar_t cl_playerskin;
1191 extern cvar_t rcon_password;
1192 extern cvar_t rcon_address;
1194 extern cvar_t cl_upspeed;
1195 extern cvar_t cl_forwardspeed;
1196 extern cvar_t cl_backspeed;
1197 extern cvar_t cl_sidespeed;
1199 extern cvar_t cl_movespeedkey;
1201 extern cvar_t cl_yawspeed;
1202 extern cvar_t cl_pitchspeed;
1204 extern cvar_t cl_anglespeedkey;
1206 extern cvar_t cl_autofire;
1208 extern cvar_t cl_shownet;
1209 extern cvar_t cl_nolerp;
1210 extern cvar_t cl_nettimesyncfactor;
1211 extern cvar_t cl_nettimesyncboundmode;
1212 extern cvar_t cl_nettimesyncboundtolerance;
1214 extern cvar_t cl_pitchdriftspeed;
1215 extern cvar_t lookspring;
1216 extern cvar_t lookstrafe;
1217 extern cvar_t sensitivity;
1219 extern cvar_t freelook;
1221 extern cvar_t m_pitch;
1222 extern cvar_t m_yaw;
1223 extern cvar_t m_forward;
1224 extern cvar_t m_side;
1226 extern cvar_t cl_autodemo;
1227 extern cvar_t cl_autodemo_nameformat;
1229 extern cvar_t r_draweffects;
1231 extern cvar_t cl_explosions_alpha_start;
1232 extern cvar_t cl_explosions_alpha_end;
1233 extern cvar_t cl_explosions_size_start;
1234 extern cvar_t cl_explosions_size_end;
1235 extern cvar_t cl_explosions_lifetime;
1236 extern cvar_t cl_stainmaps;
1237 extern cvar_t cl_stainmaps_clearonload;
1239 extern cvar_t cl_prydoncursor;
1241 extern cvar_t cl_locs_enable;
1243 extern client_state_t cl;
1245 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);
1247 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1248 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1250 //=============================================================================
1256 void CL_Shutdown (void);
1257 void CL_Init (void);
1259 void CL_EstablishConnection(const char *host);
1261 void CL_Disconnect (void);
1262 void CL_Disconnect_f (void);
1264 void CL_UpdateRenderEntity(entity_render_t *ent);
1265 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1266 void CL_UpdateViewEntities(void);
1271 typedef struct kbutton_s
1273 int down[2]; // key nums holding it down
1274 int state; // low bit is down state
1278 extern kbutton_t in_mlook, in_klook;
1279 extern kbutton_t in_strafe;
1280 extern kbutton_t in_speed;
1282 void CL_InitInput (void);
1283 void CL_SendMove (void);
1285 void CL_ValidateState(entity_state_t *s);
1286 void CL_MoveLerpEntityStates(entity_t *ent);
1287 void CL_LerpUpdate(entity_t *e);
1288 void CL_ParseTEnt (void);
1289 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1290 void CL_RelinkBeams (void);
1291 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1292 void CL_ClientMovement_Replay(void);
1294 void CL_ClearTempEntities (void);
1295 entity_render_t *CL_NewTempEntity (double shadertime);
1297 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1299 void CL_ClearState (void);
1300 void CL_ExpandEntities(int num);
1301 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1304 void CL_UpdateWorld (void);
1305 void CL_WriteToServer (void);
1306 void CL_Input (void);
1307 extern int cl_ignoremousemoves;
1310 float CL_KeyState (kbutton_t *key);
1311 const char *Key_KeynumToString (int keynum);
1312 int Key_StringToKeynum (const char *str);
1317 void CL_StopPlayback(void);
1318 void CL_ReadDemoMessage(void);
1319 void CL_WriteDemoMessage(sizebuf_t *mesage);
1321 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1322 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1324 void CL_NextDemo(void);
1325 void CL_Stop_f(void);
1326 void CL_Record_f(void);
1327 void CL_PlayDemo_f(void);
1328 void CL_TimeDemo_f(void);
1333 void CL_Parse_Init(void);
1334 void CL_Parse_Shutdown(void);
1335 void CL_ParseServerMessage(void);
1336 void CL_Parse_DumpPacket(void);
1337 void CL_Parse_ErrorCleanUp(void);
1338 void QW_CL_StartUpload(unsigned char *data, int size);
1339 extern cvar_t qport;
1340 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1345 void V_StartPitchDrift (void);
1346 void V_StopPitchDrift (void);
1349 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1350 void V_UpdateBlends (void);
1351 void V_ParseDamage (void);
1357 extern cvar_t cl_particles;
1358 extern cvar_t cl_particles_quality;
1359 extern cvar_t cl_particles_size;
1360 extern cvar_t cl_particles_quake;
1361 extern cvar_t cl_particles_blood;
1362 extern cvar_t cl_particles_blood_alpha;
1363 extern cvar_t cl_particles_blood_bloodhack;
1364 extern cvar_t cl_particles_bulletimpacts;
1365 extern cvar_t cl_particles_explosions_sparks;
1366 extern cvar_t cl_particles_explosions_shell;
1367 extern cvar_t cl_particles_rain;
1368 extern cvar_t cl_particles_snow;
1369 extern cvar_t cl_particles_smoke;
1370 extern cvar_t cl_particles_smoke_alpha;
1371 extern cvar_t cl_particles_smoke_alphafade;
1372 extern cvar_t cl_particles_sparks;
1373 extern cvar_t cl_particles_bubbles;
1374 extern cvar_t cl_decals;
1375 extern cvar_t cl_decals_time;
1376 extern cvar_t cl_decals_fadetime;
1378 void CL_Particles_Clear(void);
1379 void CL_Particles_Init(void);
1380 void CL_Particles_Shutdown(void);
1381 particle_t *CL_NewParticle(unsigned short ptypeindex, int pcolor1, int pcolor2, int ptex, float psize, float psizeincrease, float palpha, float palphafade, float pgravity, float pbounce, float px, float py, float pz, float pvx, float pvy, float pvz, float pairfriction, float pliquidfriction, float originjitter, float velocityjitter, qboolean pqualityreduction, float lifetime, float stretch, pblend_t blendmode, porientation_t orientation, int staincolor1, int staincolor2, int staintex);
1383 typedef enum effectnameindex_s
1387 EFFECT_TE_GUNSHOTQUAD,
1389 EFFECT_TE_SPIKEQUAD,
1390 EFFECT_TE_SUPERSPIKE,
1391 EFFECT_TE_SUPERSPIKEQUAD,
1393 EFFECT_TE_KNIGHTSPIKE,
1394 EFFECT_TE_EXPLOSION,
1395 EFFECT_TE_EXPLOSIONQUAD,
1396 EFFECT_TE_TAREXPLOSION,
1398 EFFECT_TE_LAVASPLASH,
1399 EFFECT_TE_SMALLFLASH,
1404 EFFECT_TE_PLASMABURN,
1406 EFFECT_TE_TEI_SMOKE,
1407 EFFECT_TE_TEI_BIGEXPLOSION,
1408 EFFECT_TE_TEI_PLASMAHIT,
1414 EFFECT_TR_SLIGHTBLOOD,
1415 EFFECT_TR_KNIGHTSPIKE,
1416 EFFECT_TR_VORESPIKE,
1417 EFFECT_TR_NEHAHRASMOKE,
1418 EFFECT_TR_NEXUIZPLASMA,
1419 EFFECT_TR_GLOWTRAIL,
1420 EFFECT_SVC_PARTICLE,
1425 int CL_ParticleEffectIndexForName(const char *name);
1426 const char *CL_ParticleEffectNameForIndex(int i);
1427 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);
1428 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);
1429 void CL_ParseParticleEffect (void);
1430 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);
1431 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1432 void CL_EntityParticles (const entity_t *ent);
1433 void CL_ParticleExplosion (const vec3_t org);
1434 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1435 void R_NewExplosion(const vec3_t org);
1437 void Debug_PolygonBegin(const char *picname, int flags);
1438 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1439 void Debug_PolygonEnd(void);
1441 #include "cl_screen.h"
1443 extern qboolean sb_showscores;
1445 float RSurf_FogVertex(const vec3_t p);
1446 float RSurf_FogPoint(const vec3_t p);
1448 typedef struct r_refdef_stats_s
1452 int entities_surfaces;
1453 int entities_triangles;
1457 int world_triangles;
1458 int lightmapupdates;
1459 int lightmapupdatepixels;
1463 int meshes_elements;
1466 int lights_scissored;
1467 int lights_lighttriangles;
1468 int lights_shadowtriangles;
1469 int lights_dynamicshadowtriangles;
1471 int bloom_copypixels;
1472 int bloom_drawpixels;
1476 typedef enum r_viewport_type_e
1478 R_VIEWPORTTYPE_ORTHO,
1479 R_VIEWPORTTYPE_PERSPECTIVE,
1480 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1481 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1482 R_VIEWPORTTYPE_TOTAL
1486 typedef struct r_viewport_s
1489 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1490 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1491 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1498 r_viewport_type_t type;
1502 typedef struct r_refdef_view_s
1504 // view information (changes multiple times per frame)
1505 // if any of these variables change then r_refdef.viewcache must be regenerated
1506 // by calling R_View_Update
1507 // (which also updates viewport, scissor, colormask)
1509 // it is safe and expected to copy this into a structure on the stack and
1510 // call the renderer recursively, then restore from the stack afterward
1511 // (as long as R_View_Update is called)
1513 // eye position information
1514 matrix4x4_t matrix, inverse_matrix;
1520 int numfrustumplanes;
1521 mplane_t frustum[6];
1522 qboolean useclipplane;
1523 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1525 float frustum_x, frustum_y;
1526 vec3_t frustumcorner[4];
1527 // if turned off it renders an ortho view
1529 float ortho_x, ortho_y;
1531 // screen area to render in
1538 r_viewport_t viewport;
1540 // which color components to allow (for anaglyph glasses)
1543 // global RGB color multiplier for rendering, this is required by HDR
1546 // whether to call R_ClearScreen before rendering stuff
1548 // if true, don't clear or do any post process effects (bloom, etc)
1551 // whether to draw r_showtris and such, this is only true for the main
1552 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1553 // distortion effects, etc) omit such debugging information
1556 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1560 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1565 typedef struct r_refdef_viewcache_s
1567 // these properties are generated by R_View_Update()
1569 // which entities are currently visible for this viewpoint
1570 // (the used range is 0...r_refdef.scene.numentities)
1571 unsigned char entityvisible[MAX_EDICTS];
1572 // flag arrays used for visibility checking on world model
1573 // (all other entities have no per-surface/per-leaf visibility checks)
1574 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1575 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1576 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1577 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1578 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1579 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1580 // if true, the view is currently in a leaf without pvs data
1581 qboolean world_novis;
1583 r_refdef_viewcache_t;
1585 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1586 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1587 typedef struct r_refdef_scene_s {
1588 // whether to call S_ExtraUpdate during render to reduce sound chop
1589 qboolean extraupdate;
1591 // (client gameworld) time for rendering time based effects
1595 entity_render_t *worldentity;
1597 // same as worldentity->model
1598 dp_model_t *worldmodel;
1600 // renderable entities (excluding world)
1601 entity_render_t **entities;
1605 // field of temporary entities that is reset each (client) frame
1606 entity_render_t *tempentities;
1607 int numtempentities;
1608 int maxtempentities;
1610 // renderable dynamic lights
1611 rtlight_t *lights[MAX_DLIGHTS];
1612 rtlight_t templights[MAX_DLIGHTS];
1615 // intensities for light styles right now, controls rtlights
1616 float rtlightstylevalue[256]; // float fraction of base light value
1617 // 8.8bit fixed point intensities for light styles
1618 // controls intensity lightmap layers
1619 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1624 qboolean rtworldshadows;
1626 qboolean rtdlightshadows;
1629 typedef struct r_refdef_s
1631 // these fields define the basic rendering information for the world
1632 // but not the view, which could change multiple times in one rendered
1633 // frame (for example when rendering textures for certain effects)
1635 // these are set for water warping before
1636 // frustum_x/frustum_y are calculated
1637 float frustumscale_x, frustumscale_y;
1639 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1640 r_refdef_view_t view;
1641 r_refdef_viewcache_t viewcache;
1643 // minimum visible distance (pixels closer than this disappear)
1645 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1646 // in 32bpp an infinite-farclip matrix is used instead)
1649 // fullscreen color blend
1652 r_refdef_scene_t scene;
1655 float fogplaneviewdist;
1656 qboolean fogplaneviewabove;
1657 float fogheightfade;
1660 float fograngerecip;
1661 float fogmasktabledistmultiplier;
1662 #define FOGMASKTABLEWIDTH 1024
1663 float fogmasktable[FOGMASKTABLEWIDTH];
1664 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1673 float fog_fadedepth;
1674 qboolean fogenabled;
1675 qboolean oldgl_fogenable;
1677 qboolean draw2dstage;
1679 // true during envmap command capture
1682 // brightness of world lightmaps and related lighting
1683 // (often reduced when world rtlights are enabled)
1684 float lightmapintensity;
1685 // whether to draw world lights realtime, dlights realtime, and their shadows
1686 float polygonfactor;
1687 float polygonoffset;
1688 float shadowpolygonfactor;
1689 float shadowpolygonoffset;
1691 // rendering stats for r_speeds display
1692 // (these are incremented in many places)
1693 r_refdef_stats_t stats;
1697 extern r_refdef_t r_refdef;