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 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 /// used by corona updates, due to occlusion query
114 float corona_visibility;
115 unsigned int corona_queryindex_visiblepixels;
116 unsigned int corona_queryindex_allpixels;
117 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
118 rtexture_t *currentcubemap;
120 /// static light info
121 /// true if this light should be compiled as a static light
123 /// true if this is a compiled world light, cleared if the light changes
125 /// premade shadow volumes to render for world entity
126 shadowmesh_t *static_meshchain_shadow_zpass;
127 shadowmesh_t *static_meshchain_shadow_zfail;
128 /// used for visibility testing (more exact than bbox)
130 int static_numleafpvsbytes;
131 int *static_leaflist;
132 unsigned char *static_leafpvs;
133 /// surfaces seen by light
134 int static_numsurfaces;
135 int *static_surfacelist;
136 /// flag bits indicating which triangles of the world model should cast
137 /// shadows, and which ones should be lit
139 /// this avoids redundantly scanning the triangles in each surface twice
140 /// for whether they should cast shadows, once in culling and once in the
141 /// actual shadowmarklist production.
142 int static_numshadowtrispvsbytes;
143 unsigned char *static_shadowtrispvs;
144 /// this allows the lighting batch code to skip backfaces andother culled
145 /// triangles not relevant for lighting
146 /// (important on big surfaces such as terrain)
147 int static_numlighttrispvsbytes;
148 unsigned char *static_lighttrispvs;
152 typedef struct dlight_s
154 // destroy light after this time
157 // the entity that owns this light (can be NULL)
159 struct entity_render_s *ent;
161 // (worldlight: saved to .rtlights file)
163 // worldlight orientation
165 // (worldlight: saved to .rtlights file)
167 // dlight orientation/scaling/location
171 // (worldlight: saved to .rtlights file)
173 // cubemap name to use on this light
174 // (worldlight: saved to .rtlights file)
175 char cubemapname[64];
176 // make light flash while selected
179 // brightness (not really radius anymore)
180 // (worldlight: saved to .rtlights file)
182 // drop intensity this much each second
185 // intensity value which is dropped over time
188 // initial values for intensity to modify
192 // light style which controls intensity of this light
193 // (worldlight: saved to .rtlights file)
196 // (worldlight: saved to .rtlights file)
199 // (worldlight: saved to .rtlights file)
201 // radius scale of corona to render (1.0 means same as light radius)
202 // (worldlight: saved to .rtlights file)
203 vec_t coronasizescale;
204 // ambient intensity to render
205 // (worldlight: saved to .rtlights file)
207 // diffuse intensity to render
208 // (worldlight: saved to .rtlights file)
210 // specular intensity to render
211 // (worldlight: saved to .rtlights file)
214 // (worldlight: saved to .rtlights file)
216 // linked list of world lights
218 struct dlight_s *next;
219 // embedded rtlight struct for renderer
225 #define MAX_FRAMEGROUPBLENDS 4
226 typedef struct framegroupblend_s
228 // animation number and blend factor
229 // (for most models this is the frame number)
232 // time frame began playing (for framegroup animations)
237 // this is derived from processing of the framegroupblend array
238 // note: technically each framegroupblend can produce two of these, but that
239 // never happens in practice because no one blends between more than 2
240 // framegroups at once
241 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
242 typedef struct frameblend_s
249 // LordHavoc: this struct is intended for the renderer but some fields are
250 // used by the client.
252 // The renderer should not rely on any changes to this struct to be persistent
253 // across multiple frames because temp entities are wiped every frame, but it
254 // is acceptable to cache things in this struct that are not critical.
256 // For example the r_cullentities_trace code does such caching.
257 typedef struct entity_render_s
263 // transform matrix for model to world
265 // transform matrix for world to model
266 matrix4x4_t inversematrix;
267 // opacity (alpha) of the model
269 // size the model is shown
274 // number of the entity represents, or 0 for non-network entities
276 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
277 vec3_t colormap_pantscolor;
278 vec3_t colormap_shirtcolor;
279 // light, particles, etc
281 // qw CTF flags and other internal-use-only effect bits
288 // colormod tinting of models
291 // interpolated animation - active framegroups and blend factors
292 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
294 // time of last model change (for shader animations)
297 // calculated by the renderer (but not persistent)
299 // calculated during R_AddModelEntities
301 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
302 frameblend_t frameblend[MAX_FRAMEBLENDS];
304 // animation cache index
307 // current lighting from map (updated ONLY by client code, not renderer)
308 vec3_t modellight_ambient;
309 vec3_t modellight_diffuse; // q3bsp
310 vec3_t modellight_lightdir; // q3bsp
312 // FIELDS UPDATED BY RENDERER:
313 // last time visible during trace culling
314 double last_trace_visibility;
318 typedef struct entity_persistent_s
324 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
326 // muzzleflash fading
329 // interpolated movement
331 // start time of move
333 // time difference from start to end of move
335 // the move itself, start and end
343 typedef struct entity_s
345 // baseline state (default values)
346 entity_state_t state_baseline;
347 // previous state (interpolating from this)
348 entity_state_t state_previous;
349 // current state (interpolating to this)
350 entity_state_t state_current;
352 // used for regenerating parts of render
353 entity_persistent_t persistent;
355 // the only data the renderer should know about
356 entity_render_t render;
360 typedef struct usercmd_s
364 // intended velocities
369 vec3_t cursor_screen;
372 vec3_t cursor_impact;
373 vec3_t cursor_normal;
374 vec_t cursor_fraction;
375 int cursor_entitynumber;
377 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
378 double receivetime; // time the move was received at
379 double clienttime; // time to which server state the move corresponds to
380 int msec; // for predicted moves
384 qboolean applied; // if false we're still accumulating a move
385 qboolean predicted; // if true the sequence should be sent as 0
387 // derived properties
394 typedef struct lightstyle_s
397 char map[MAX_STYLESTRING];
400 typedef struct scoreboard_s
402 char name[MAX_SCOREBOARDNAME];
404 int colors; // two 4 bit fields
407 char qw_userinfo[MAX_USERINFO_STRING];
413 char qw_skin[MAX_QPATH];
416 typedef struct cshift_s
419 float percent; // 0-255
420 float alphafade; // (any speed)
423 #define CSHIFT_CONTENTS 0
424 #define CSHIFT_DAMAGE 1
425 #define CSHIFT_BONUS 2
426 #define CSHIFT_POWERUP 3
427 #define CSHIFT_VCSHIFT 4
428 #define NUM_CSHIFTS 5
430 #define NAME_LENGTH 64
434 // client_state_t should hold all pieces of the client state
437 #define SIGNONS 4 // signon messages to receive before connected
440 #define MAX_DEMONAME 16
442 typedef enum cactive_e
444 ca_uninitialized, // during early startup
445 ca_dedicated, // a dedicated server with no ability to start a client
446 ca_disconnected, // full screen console with no connection
447 ca_connected // valid netcon, talking to a server
451 typedef enum qw_downloadtype_e
461 typedef enum capturevideoformat_e
463 CAPTUREVIDEOFORMAT_AVI_I420,
464 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
466 capturevideoformat_t;
468 typedef struct capturevideostate_s
470 double startrealtime;
483 int soundsampleframe;
484 unsigned char *screenbuffer;
485 unsigned char *outbuffer;
486 char basename[MAX_QPATH];
489 // precomputed RGB to YUV tables
490 // converts the RGB values to YUV (see cap_avi.c for how to use them)
491 short rgbtoyuvscaletable[3][3][256];
492 unsigned char yuvnormalizetable[3][256];
494 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
495 // 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
496 unsigned short vidramp[256 * 3];
498 // stuff to be filled in by the video format module
499 capturevideoformat_t format;
500 const char *formatextension;
503 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
504 void (*endvideo) (void);
505 void (*videoframes) (int num);
506 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
508 // format specific data
509 void *formatspecific;
513 #define CL_MAX_DOWNLOADACKS 4
515 typedef struct cl_downloadack_s
521 typedef struct cl_soundstats_s
525 int latency_milliseconds;
530 // the client_static_t structure is persistent through an arbitrary number
531 // of server connections
533 typedef struct client_static_s
537 // all client memory allocations go in these pools
538 mempool_t *levelmempool;
539 mempool_t *permanentmempool;
542 // -1 = don't play demos
544 // list of demos in loop
545 char demos[MAX_DEMOS][MAX_DEMONAME];
546 // the actively playing demo (set by CL_PlayDemo_f)
547 char demoname[MAX_QPATH];
549 // demo recording info must be here, because record is started before
550 // entering a map (and clearing client_state_t)
551 qboolean demorecording;
552 fs_offset_t demo_lastcsprogssize;
553 int demo_lastcsprogscrc;
554 qboolean demoplayback;
556 // -1 = use normal cd track
559 // realtime at second frame of timedemo (LordHavoc: changed to double)
561 int td_frames; // total frames parsed
562 double td_onesecondnexttime;
563 double td_onesecondframes;
564 double td_onesecondrealtime;
565 double td_onesecondminfps;
566 double td_onesecondmaxfps;
567 double td_onesecondavgfps;
568 int td_onesecondavgcount;
569 // LordHavoc: pausedemo
572 // sound mixer statistics for showsound display
573 cl_soundstats_t soundstats;
575 qboolean connect_trying;
576 int connect_remainingtries;
577 double connect_nextsendtime;
578 lhnetsocket_t *connect_mysocket;
579 lhnetaddress_t connect_address;
580 // protocol version of the server we're connected to
581 // (kept outside client_state_t because it's used between levels)
582 protocolversion_t protocol;
586 lhnetaddress_t rcon_addresses[MAX_RCONS];
587 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
588 double rcon_timeout[MAX_RCONS];
591 // connection information
594 // network connection
597 // download information
598 // (note: qw_download variables are also used)
599 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
601 // input sequence numbers are not reset on level change, only connect
603 int servermovesequence;
605 // quakeworld stuff below
607 // value of "qport" cvar at time of connection
609 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
610 int qw_incoming_sequence;
611 int qw_outgoing_sequence;
613 // current file download buffer (only saved when file is completed)
614 char qw_downloadname[MAX_QPATH];
615 unsigned char *qw_downloadmemory;
616 int qw_downloadmemorycursize;
617 int qw_downloadmemorymaxsize;
618 int qw_downloadnumber;
619 int qw_downloadpercent;
620 qw_downloadtype_t qw_downloadtype;
621 // transfer rate display
622 double qw_downloadspeedtime;
623 int qw_downloadspeedcount;
624 int qw_downloadspeedrate;
625 qboolean qw_download_deflate;
627 // current file upload buffer (for uploading screenshots to server)
628 unsigned char *qw_uploaddata;
633 // this normally contains the following keys in quakeworld:
634 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
635 char userinfo[MAX_USERINFO_STRING];
637 // video capture stuff
638 capturevideostate_t capturevideo;
642 extern client_static_t cls;
644 typedef struct client_movementqueue_s
655 client_movementqueue_t;
661 qboolean drawenginesbar;
662 qboolean drawcrosshair;
667 PARTICLE_BILLBOARD = 0,
669 PARTICLE_ORIENTED_DOUBLESIDED = 2,
672 PARTICLE_INVALID = -1
685 typedef struct particletype_s
688 porientation_t orientation;
695 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
699 typedef struct decal_s
701 // fields used by rendering: (44 bytes)
702 unsigned short typeindex;
703 unsigned short texnum;
707 float alpha; // 0-255
708 unsigned char color[3];
709 unsigned char unused1;
710 int clusterindex; // cheap culling by pvs
712 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
713 float time2; // used for decal fade
714 unsigned int owner; // decal stuck to this entity
715 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
716 vec3_t relativeorigin; // decal at this location in entity's coordinate space
717 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
721 typedef struct particle_s
723 // fields used by rendering: (40 bytes)
724 unsigned char typeindex;
726 porientation_t orientation;
727 unsigned char texnum;
729 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
731 float alpha; // 0-255
732 unsigned char color[3];
733 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
734 float stretch; // only for sparks
736 signed char staintexnum;
737 float stainsizefactor;
739 // fields not used by rendering: (40 bytes)
740 float sizeincrease; // rate of size change per second
741 float alphafade; // how much alpha reduces per second
742 float time2; // used for snow fluttering and decal fade
743 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)
744 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
745 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
746 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
747 float delayedcollisions; // time that p->bounce becomes active
748 float delayedspawn; // time that particle appears and begins moving
749 float die; // time when this particle should be removed, regardless of alpha
753 typedef enum cl_parsingtextmode_e
755 CL_PARSETEXTMODE_NONE,
756 CL_PARSETEXTMODE_PING,
757 CL_PARSETEXTMODE_STATUS,
758 CL_PARSETEXTMODE_STATUS_PLAYERID,
759 CL_PARSETEXTMODE_STATUS_PLAYERIP
761 cl_parsingtextmode_t;
763 typedef struct cl_locnode_s
765 struct cl_locnode_s *next;
771 typedef struct showlmp_s
782 // the client_state_t structure is wiped completely at every
785 typedef struct client_state_s
787 // true if playing in a local game and no one else is connected
790 // send a clc_nop periodically until connected
793 // current input being accumulated by mouse/joystick/etc input
795 // latest moves sent to the server that have not been confirmed yet
796 usercmd_t movecmd[CL_MAX_USERCMDS];
798 // information for local display
800 int stats[MAX_CL_STATS];
801 float *statsf; // points to stats[] array
802 // last known inventory bit flags, for blinking
804 // cl.time of acquiring item, for blinking
805 float item_gettime[32];
806 // last known STAT_ACTIVEWEAPON
808 // cl.time of changing STAT_ACTIVEWEAPON
810 // use pain anim frame if cl.time < this
812 // for stair smoothing
814 double stairsmoothtime;
816 // color shifts for damage, powerups
817 cshift_t cshifts[NUM_CSHIFTS];
819 cshift_t prev_cshifts[NUM_CSHIFTS];
821 // the client maintains its own idea of view angles, which are
822 // sent to the server each frame. The server sets punchangle when
823 // the view is temporarily offset, and an angle reset commands at the start
824 // of each level and after teleporting.
826 // mviewangles is read from demo
827 // viewangles is either client controlled or lerped from mviewangles
828 vec3_t mviewangles[2], viewangles;
829 // update by server, used by qc to do weapon recoil
830 vec3_t mpunchangle[2], punchangle;
831 // update by server, can be used by mods to kick view around
832 vec3_t mpunchvector[2], punchvector;
833 // update by server, used for lean+bob (0 is newest)
834 vec3_t mvelocity[2], velocity;
835 // update by server, can be used by mods for zooming
836 vec_t mviewzoom[2], viewzoom;
837 // if true interpolation the mviewangles and other interpolation of the
838 // player is disabled until the next network packet
839 // this is used primarily by teleporters, and when spectating players
840 // special checking of the old fixangle[1] is used to differentiate
841 // between teleporting and spectating
842 qboolean fixangle[2];
844 // client movement simulation
845 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
846 // set by CL_ClientMovement_Replay functions
847 qboolean movement_predicted;
848 // if true the CL_ClientMovement_Replay function will update origin, etc
849 qboolean movement_replay;
850 // simulated data (this is valid even if cl.movement is false)
851 vec3_t movement_origin;
852 vec3_t movement_velocity;
853 // whether the replay should allow a jump at the first sequence
854 qboolean movement_replay_canjump;
856 // pitch drifting vars
863 //[515]: added for csqc purposes
864 float sensitivityscale;
865 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
866 qboolean csqc_wantsmousemove;
867 struct model_s *csqc_model_precache[MAX_MODELS];
869 // local amount for smoothing stepups
878 qboolean oldonground;
879 double lastongroundtime;
880 double hitgroundtime;
882 // don't change view angle, full screen, etc
884 // latched at intermission start
885 double completed_time;
887 // the timestamp of the last two messages
890 // clients view of time, time should be between mtime[0] and mtime[1] to
891 // generate a lerp point for other data, oldtime is the previous frame's
892 // value of time, frametime is the difference between time and oldtime
893 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
894 // is only forcefully limited when a packet is received
895 double time, oldtime;
896 // how long it has been since the previous client frame in real time
897 // (not game time, for that use cl.time - cl.oldtime)
898 double realframetime;
900 // fade var for fading while dead
903 // motionblur alpha level variable
904 float motionbluralpha;
906 // copy of realtime from last recieved message, for net trouble icon
907 float last_received_message;
909 // information that is static for the entire time connected to a server
910 struct model_s *model_precache[MAX_MODELS];
911 struct sfx_s *sound_precache[MAX_SOUNDS];
913 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
914 char model_name[MAX_MODELS][MAX_QPATH];
915 char sound_name[MAX_SOUNDS][MAX_QPATH];
917 // for display on solo scoreboard
919 // cl_entitites[cl.viewentity] = player
921 // the real player entity (normally same as viewentity,
922 // different than viewentity if mod uses chasecam or other tricks)
923 int realplayerentity;
924 // this is updated to match cl.viewentity whenever it is in the clients
925 // range, basically this is used in preference to cl.realplayerentity for
926 // most purposes because when spectating another player it should show
927 // their information rather than yours
929 // max players that can be in this game
931 // type of game (deathmatch, coop, singleplayer)
934 // models and sounds used by engine code (particularly cl_parse.c)
935 dp_model_t *model_bolt;
936 dp_model_t *model_bolt2;
937 dp_model_t *model_bolt3;
938 dp_model_t *model_beam;
940 sfx_t *sfx_knighthit;
946 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
947 qboolean foundtalk2wav;
949 // refresh related state
951 // cl_entitites[0].model
952 struct model_s *worldmodel;
958 int cdtrack, looptrack;
963 scoreboard_t *scores;
965 // keep track of svc_print parsing state (analyzes ping reports and status reports)
966 cl_parsingtextmode_t parsingtextmode;
967 int parsingtextplayerindex;
968 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
969 // (which could eat the wrong ping report if the player issues one
970 // manually, but they would still see a ping report, just a later one
971 // caused by the scoreboard code rather than the one they intentionally
973 int parsingtextexpectingpingforscores;
975 // entity database stuff
976 // latest received entity frame numbers
977 #define LATESTFRAMENUMS 3
978 int latestframenums[LATESTFRAMENUMS];
979 entityframe_database_t *entitydatabase;
980 entityframe4_database_t *entitydatabase4;
981 entityframeqw_database_t *entitydatabaseqw;
983 // keep track of quake entities because they need to be killed if they get stale
985 unsigned char isquakeentity[MAX_EDICTS];
987 // bounding boxes for clientside movement
988 vec3_t playerstandmins;
989 vec3_t playerstandmaxs;
990 vec3_t playercrouchmins;
991 vec3_t playercrouchmaxs;
994 int max_static_entities;
999 int max_brushmodel_entities;
1005 unsigned char *entities_active;
1006 entity_t *static_entities;
1007 cl_effect_t *effects;
1010 lightstyle_t *lightstyle;
1011 int *brushmodel_entities;
1012 particle_t *particles;
1014 showlmp_t *showlmps;
1017 int num_static_entities;
1018 int num_brushmodel_entities;
1026 double particles_updatetime;
1027 double decals_updatetime;
1031 // cl_serverextension_download feature
1032 int loadmodel_current;
1033 int downloadmodel_current;
1034 int loadmodel_total;
1035 int loadsound_current;
1036 int downloadsound_current;
1037 int loadsound_total;
1038 qboolean downloadcsqc;
1041 qboolean loadfinished;
1045 // local copy of the server infostring
1046 char qw_serverinfo[MAX_SERVERINFO_STRING];
1048 // time of last qw "pings" command sent to server while showing scores
1049 double last_ping_request;
1051 // used during connect
1054 // updated from serverinfo
1057 // unused: indicates whether the player is spectating
1058 // use cl.scores[cl.playerentity-1].qw_spectator instead
1059 //qboolean qw_spectator;
1061 // last time an input packet was sent
1062 double lastpackettime;
1064 // movement parameters for client prediction
1065 unsigned int moveflags;
1066 float movevars_wallfriction;
1067 float movevars_waterfriction;
1068 float movevars_friction;
1069 float movevars_timescale;
1070 float movevars_gravity;
1071 float movevars_stopspeed;
1072 float movevars_maxspeed;
1073 float movevars_spectatormaxspeed;
1074 float movevars_accelerate;
1075 float movevars_airaccelerate;
1076 float movevars_wateraccelerate;
1077 float movevars_entgravity;
1078 float movevars_jumpvelocity;
1079 float movevars_edgefriction;
1080 float movevars_maxairspeed;
1081 float movevars_stepheight;
1082 float movevars_airaccel_qw;
1083 float movevars_airaccel_sideways_friction;
1084 float movevars_airstopaccelerate;
1085 float movevars_airstrafeaccelerate;
1086 float movevars_maxairstrafespeed;
1087 float movevars_aircontrol;
1088 float movevars_warsowbunny_airforwardaccel;
1089 float movevars_warsowbunny_accel;
1090 float movevars_warsowbunny_topspeed;
1091 float movevars_warsowbunny_turnaccel;
1092 float movevars_warsowbunny_backtosideratio;
1093 float movevars_ticrate;
1095 // models used by qw protocol
1096 int qw_modelindex_spike;
1097 int qw_modelindex_player;
1098 int qw_modelindex_flag;
1099 int qw_modelindex_s_explod;
1101 vec3_t qw_intermission_origin;
1102 vec3_t qw_intermission_angles;
1104 // 255 is the most nails the QW protocol could send
1106 vec_t qw_nails[255][6];
1108 float qw_weaponkick;
1110 int qw_validsequence;
1112 int qw_deltasequence[QW_UPDATE_BACKUP];
1115 // server entity number corresponding to a clientside entity
1116 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1117 qboolean csqc_loaded;
1120 qboolean csqc_usecsqclistener;
1121 matrix4x4_t csqc_listenermatrix;
1122 char csqc_printtextbuf[MAX_INPUTLINE];
1124 // collision culling data
1127 // loc file stuff (points and boxes describing locations in the level)
1128 cl_locnode_t *locnodes;
1129 // this is updated to cl.movement_origin whenever health is < 1
1130 // used by %d print in say/say_team messages if cl_locs_enable is on
1131 vec3_t lastdeathorigin;
1133 // processing buffer used by R_BuildLightMap, reallocated as needed,
1134 // freed on each level change
1135 size_t buildlightmapmemorysize;
1136 unsigned char *buildlightmapmemory;
1143 extern cvar_t cl_name;
1144 extern cvar_t cl_color;
1145 extern cvar_t cl_rate;
1146 extern cvar_t cl_pmodel;
1147 extern cvar_t cl_playermodel;
1148 extern cvar_t cl_playerskin;
1150 extern cvar_t rcon_password;
1151 extern cvar_t rcon_address;
1153 extern cvar_t cl_upspeed;
1154 extern cvar_t cl_forwardspeed;
1155 extern cvar_t cl_backspeed;
1156 extern cvar_t cl_sidespeed;
1158 extern cvar_t cl_movespeedkey;
1160 extern cvar_t cl_yawspeed;
1161 extern cvar_t cl_pitchspeed;
1163 extern cvar_t cl_anglespeedkey;
1165 extern cvar_t cl_autofire;
1167 extern cvar_t cl_shownet;
1168 extern cvar_t cl_nolerp;
1169 extern cvar_t cl_nettimesyncfactor;
1170 extern cvar_t cl_nettimesyncboundmode;
1171 extern cvar_t cl_nettimesyncboundtolerance;
1173 extern cvar_t cl_pitchdriftspeed;
1174 extern cvar_t lookspring;
1175 extern cvar_t lookstrafe;
1176 extern cvar_t sensitivity;
1178 extern cvar_t freelook;
1180 extern cvar_t m_pitch;
1181 extern cvar_t m_yaw;
1182 extern cvar_t m_forward;
1183 extern cvar_t m_side;
1185 extern cvar_t cl_autodemo;
1186 extern cvar_t cl_autodemo_nameformat;
1188 extern cvar_t r_draweffects;
1190 extern cvar_t cl_explosions_alpha_start;
1191 extern cvar_t cl_explosions_alpha_end;
1192 extern cvar_t cl_explosions_size_start;
1193 extern cvar_t cl_explosions_size_end;
1194 extern cvar_t cl_explosions_lifetime;
1195 extern cvar_t cl_stainmaps;
1196 extern cvar_t cl_stainmaps_clearonload;
1198 extern cvar_t cl_prydoncursor;
1200 extern cvar_t cl_locs_enable;
1202 extern client_state_t cl;
1204 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);
1206 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1207 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1209 //=============================================================================
1215 void CL_Shutdown (void);
1216 void CL_Init (void);
1218 void CL_EstablishConnection(const char *host);
1220 void CL_Disconnect (void);
1221 void CL_Disconnect_f (void);
1223 void CL_UpdateRenderEntity(entity_render_t *ent);
1224 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1225 void CL_UpdateViewEntities(void);
1230 typedef struct kbutton_s
1232 int down[2]; // key nums holding it down
1233 int state; // low bit is down state
1237 extern kbutton_t in_mlook, in_klook;
1238 extern kbutton_t in_strafe;
1239 extern kbutton_t in_speed;
1241 void CL_InitInput (void);
1242 void CL_SendMove (void);
1244 void CL_ValidateState(entity_state_t *s);
1245 void CL_MoveLerpEntityStates(entity_t *ent);
1246 void CL_LerpUpdate(entity_t *e);
1247 void CL_ParseTEnt (void);
1248 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1249 void CL_RelinkBeams (void);
1250 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1251 void CL_ClientMovement_Replay(void);
1253 void CL_ClearTempEntities (void);
1254 entity_render_t *CL_NewTempEntity (double shadertime);
1256 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1258 void CL_ClearState (void);
1259 void CL_ExpandEntities(int num);
1260 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1263 void CL_UpdateWorld (void);
1264 void CL_WriteToServer (void);
1265 void CL_Input (void);
1266 extern int cl_ignoremousemoves;
1269 float CL_KeyState (kbutton_t *key);
1270 const char *Key_KeynumToString (int keynum);
1271 int Key_StringToKeynum (const char *str);
1276 void CL_StopPlayback(void);
1277 void CL_ReadDemoMessage(void);
1278 void CL_WriteDemoMessage(sizebuf_t *mesage);
1280 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1281 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1283 void CL_NextDemo(void);
1284 void CL_Stop_f(void);
1285 void CL_Record_f(void);
1286 void CL_PlayDemo_f(void);
1287 void CL_TimeDemo_f(void);
1292 void CL_Parse_Init(void);
1293 void CL_Parse_Shutdown(void);
1294 void CL_ParseServerMessage(void);
1295 void CL_Parse_DumpPacket(void);
1296 void CL_Parse_ErrorCleanUp(void);
1297 void QW_CL_StartUpload(unsigned char *data, int size);
1298 extern cvar_t qport;
1299 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1304 void V_StartPitchDrift (void);
1305 void V_StopPitchDrift (void);
1308 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1309 void V_UpdateBlends (void);
1310 void V_ParseDamage (void);
1316 extern cvar_t cl_particles;
1317 extern cvar_t cl_particles_quality;
1318 extern cvar_t cl_particles_size;
1319 extern cvar_t cl_particles_quake;
1320 extern cvar_t cl_particles_blood;
1321 extern cvar_t cl_particles_blood_alpha;
1322 extern cvar_t cl_particles_blood_bloodhack;
1323 extern cvar_t cl_particles_bulletimpacts;
1324 extern cvar_t cl_particles_explosions_sparks;
1325 extern cvar_t cl_particles_explosions_shell;
1326 extern cvar_t cl_particles_rain;
1327 extern cvar_t cl_particles_snow;
1328 extern cvar_t cl_particles_smoke;
1329 extern cvar_t cl_particles_smoke_alpha;
1330 extern cvar_t cl_particles_smoke_alphafade;
1331 extern cvar_t cl_particles_sparks;
1332 extern cvar_t cl_particles_bubbles;
1333 extern cvar_t cl_decals;
1334 extern cvar_t cl_decals_time;
1335 extern cvar_t cl_decals_fadetime;
1337 void CL_Particles_Clear(void);
1338 void CL_Particles_Init(void);
1339 void CL_Particles_Shutdown(void);
1341 typedef enum effectnameindex_s
1345 EFFECT_TE_GUNSHOTQUAD,
1347 EFFECT_TE_SPIKEQUAD,
1348 EFFECT_TE_SUPERSPIKE,
1349 EFFECT_TE_SUPERSPIKEQUAD,
1351 EFFECT_TE_KNIGHTSPIKE,
1352 EFFECT_TE_EXPLOSION,
1353 EFFECT_TE_EXPLOSIONQUAD,
1354 EFFECT_TE_TAREXPLOSION,
1356 EFFECT_TE_LAVASPLASH,
1357 EFFECT_TE_SMALLFLASH,
1362 EFFECT_TE_PLASMABURN,
1364 EFFECT_TE_TEI_SMOKE,
1365 EFFECT_TE_TEI_BIGEXPLOSION,
1366 EFFECT_TE_TEI_PLASMAHIT,
1372 EFFECT_TR_SLIGHTBLOOD,
1373 EFFECT_TR_KNIGHTSPIKE,
1374 EFFECT_TR_VORESPIKE,
1375 EFFECT_TR_NEHAHRASMOKE,
1376 EFFECT_TR_NEXUIZPLASMA,
1377 EFFECT_TR_GLOWTRAIL,
1378 EFFECT_SVC_PARTICLE,
1383 int CL_ParticleEffectIndexForName(const char *name);
1384 const char *CL_ParticleEffectNameForIndex(int i);
1385 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);
1386 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);
1387 void CL_ParseParticleEffect (void);
1388 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);
1389 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1390 void CL_EntityParticles (const entity_t *ent);
1391 void CL_ParticleExplosion (const vec3_t org);
1392 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1393 void R_NewExplosion(const vec3_t org);
1395 void Debug_PolygonBegin(const char *picname, int flags);
1396 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1397 void Debug_PolygonEnd(void);
1399 #include "cl_screen.h"
1401 extern qboolean sb_showscores;
1403 float FogPoint_World(const vec3_t p);
1404 float FogPoint_Model(const vec3_t p);
1405 float FogForDistance(vec_t dist);
1407 typedef struct r_refdef_stats_s
1411 int entities_surfaces;
1412 int entities_triangles;
1416 int world_triangles;
1417 int lightmapupdates;
1418 int lightmapupdatepixels;
1422 int meshes_elements;
1425 int lights_scissored;
1426 int lights_lighttriangles;
1427 int lights_shadowtriangles;
1428 int lights_dynamicshadowtriangles;
1430 int bloom_copypixels;
1431 int bloom_drawpixels;
1435 typedef enum r_viewport_type_e
1437 R_VIEWPORTTYPE_ORTHO,
1438 R_VIEWPORTTYPE_PERSPECTIVE,
1439 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1440 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1441 R_VIEWPORTTYPE_TOTAL
1445 typedef struct r_viewport_s
1448 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1449 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1450 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1457 r_viewport_type_t type;
1461 typedef struct r_refdef_view_s
1463 // view information (changes multiple times per frame)
1464 // if any of these variables change then r_refdef.viewcache must be regenerated
1465 // by calling R_View_Update
1466 // (which also updates viewport, scissor, colormask)
1468 // it is safe and expected to copy this into a structure on the stack and
1469 // call the renderer recursively, then restore from the stack afterward
1470 // (as long as R_View_Update is called)
1472 // eye position information
1473 matrix4x4_t matrix, inverse_matrix;
1479 int numfrustumplanes;
1480 mplane_t frustum[6];
1481 qboolean useclipplane;
1482 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1484 float frustum_x, frustum_y;
1485 vec3_t frustumcorner[4];
1486 // if turned off it renders an ortho view
1488 float ortho_x, ortho_y;
1490 // screen area to render in
1497 r_viewport_t viewport;
1499 // which color components to allow (for anaglyph glasses)
1502 // global RGB color multiplier for rendering, this is required by HDR
1505 // whether to call R_ClearScreen before rendering stuff
1507 // if true, don't clear or do any post process effects (bloom, etc)
1510 // whether to draw r_showtris and such, this is only true for the main
1511 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1512 // distortion effects, etc) omit such debugging information
1515 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1519 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1524 typedef struct r_refdef_viewcache_s
1526 // these properties are generated by R_View_Update()
1528 // which entities are currently visible for this viewpoint
1529 // (the used range is 0...r_refdef.scene.numentities)
1530 unsigned char entityvisible[MAX_EDICTS];
1531 // flag arrays used for visibility checking on world model
1532 // (all other entities have no per-surface/per-leaf visibility checks)
1533 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1534 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1535 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1536 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1537 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1538 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1539 // if true, the view is currently in a leaf without pvs data
1540 qboolean world_novis;
1542 r_refdef_viewcache_t;
1544 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1545 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1546 typedef struct r_refdef_scene_s {
1547 // whether to call S_ExtraUpdate during render to reduce sound chop
1548 qboolean extraupdate;
1550 // (client gameworld) time for rendering time based effects
1554 entity_render_t *worldentity;
1556 // same as worldentity->model
1557 dp_model_t *worldmodel;
1559 // renderable entities (excluding world)
1560 entity_render_t **entities;
1564 // field of temporary entities that is reset each (client) frame
1565 entity_render_t *tempentities;
1566 int numtempentities;
1567 int maxtempentities;
1569 // renderable dynamic lights
1570 rtlight_t *lights[MAX_DLIGHTS];
1571 rtlight_t templights[MAX_DLIGHTS];
1574 // intensities for light styles right now, controls rtlights
1575 float rtlightstylevalue[256]; // float fraction of base light value
1576 // 8.8bit fixed point intensities for light styles
1577 // controls intensity lightmap layers
1578 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1583 qboolean rtworldshadows;
1585 qboolean rtdlightshadows;
1588 typedef struct r_refdef_s
1590 // these fields define the basic rendering information for the world
1591 // but not the view, which could change multiple times in one rendered
1592 // frame (for example when rendering textures for certain effects)
1594 // these are set for water warping before
1595 // frustum_x/frustum_y are calculated
1596 float frustumscale_x, frustumscale_y;
1598 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1599 r_refdef_view_t view;
1600 r_refdef_viewcache_t viewcache;
1602 // minimum visible distance (pixels closer than this disappear)
1604 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1605 // in 32bpp an infinite-farclip matrix is used instead)
1608 // fullscreen color blend
1611 r_refdef_scene_t scene;
1615 vec_t fograngerecip;
1616 vec_t fogmasktabledistmultiplier;
1617 #define FOGMASKTABLEWIDTH 1024
1618 float fogmasktable[FOGMASKTABLEWIDTH];
1619 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1627 qboolean fogenabled;
1628 qboolean oldgl_fogenable;
1630 qboolean draw2dstage;
1632 // true during envmap command capture
1635 // brightness of world lightmaps and related lighting
1636 // (often reduced when world rtlights are enabled)
1637 float lightmapintensity;
1638 // whether to draw world lights realtime, dlights realtime, and their shadows
1639 float polygonfactor;
1640 float polygonoffset;
1641 float shadowpolygonfactor;
1642 float shadowpolygonoffset;
1644 // rendering stats for r_speeds display
1645 // (these are incremented in many places)
1646 r_refdef_stats_t stats;
1650 extern r_refdef_t r_refdef;