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 /// the shadowing mode used to compile this light
127 /// premade shadow volumes to render for world entity
128 shadowmesh_t *static_meshchain_shadow_zpass;
129 shadowmesh_t *static_meshchain_shadow_zfail;
130 shadowmesh_t *static_meshchain_shadow_shadowmap;
131 /// used for visibility testing (more exact than bbox)
133 int static_numleafpvsbytes;
134 int *static_leaflist;
135 unsigned char *static_leafpvs;
136 /// surfaces seen by light
137 int static_numsurfaces;
138 int *static_surfacelist;
139 /// flag bits indicating which triangles of the world model should cast
140 /// shadows, and which ones should be lit
142 /// this avoids redundantly scanning the triangles in each surface twice
143 /// for whether they should cast shadows, once in culling and once in the
144 /// actual shadowmarklist production.
145 int static_numshadowtrispvsbytes;
146 unsigned char *static_shadowtrispvs;
147 /// this allows the lighting batch code to skip backfaces andother culled
148 /// triangles not relevant for lighting
149 /// (important on big surfaces such as terrain)
150 int static_numlighttrispvsbytes;
151 unsigned char *static_lighttrispvs;
152 /// masks of all shadowmap sides that have any potential static receivers or casters
153 int static_shadowmap_receivers;
154 int static_shadowmap_casters;
158 typedef struct dlight_s
160 // destroy light after this time
163 // the entity that owns this light (can be NULL)
165 struct entity_render_s *ent;
167 // (worldlight: saved to .rtlights file)
169 // worldlight orientation
171 // (worldlight: saved to .rtlights file)
173 // dlight orientation/scaling/location
177 // (worldlight: saved to .rtlights file)
179 // cubemap name to use on this light
180 // (worldlight: saved to .rtlights file)
181 char cubemapname[64];
182 // make light flash while selected
185 // brightness (not really radius anymore)
186 // (worldlight: saved to .rtlights file)
188 // drop intensity this much each second
191 // intensity value which is dropped over time
194 // initial values for intensity to modify
198 // light style which controls intensity of this light
199 // (worldlight: saved to .rtlights file)
202 // (worldlight: saved to .rtlights file)
205 // (worldlight: saved to .rtlights file)
207 // radius scale of corona to render (1.0 means same as light radius)
208 // (worldlight: saved to .rtlights file)
209 vec_t coronasizescale;
210 // ambient intensity to render
211 // (worldlight: saved to .rtlights file)
213 // diffuse intensity to render
214 // (worldlight: saved to .rtlights file)
216 // specular intensity to render
217 // (worldlight: saved to .rtlights file)
220 // (worldlight: saved to .rtlights file)
222 // linked list of world lights
224 struct dlight_s *next;
225 // embedded rtlight struct for renderer
231 #define MAX_FRAMEGROUPBLENDS 4
232 typedef struct framegroupblend_s
234 // animation number and blend factor
235 // (for most models this is the frame number)
238 // time frame began playing (for framegroup animations)
243 // this is derived from processing of the framegroupblend array
244 // note: technically each framegroupblend can produce two of these, but that
245 // never happens in practice because no one blends between more than 2
246 // framegroups at once
247 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
248 typedef struct frameblend_s
255 // LordHavoc: this struct is intended for the renderer but some fields are
256 // used by the client.
258 // The renderer should not rely on any changes to this struct to be persistent
259 // across multiple frames because temp entities are wiped every frame, but it
260 // is acceptable to cache things in this struct that are not critical.
262 // For example the r_cullentities_trace code does such caching.
263 typedef struct entity_render_s
269 // transform matrix for model to world
271 // transform matrix for world to model
272 matrix4x4_t inversematrix;
273 // opacity (alpha) of the model
275 // size the model is shown
277 // transparent sorting offset
278 float transparent_offset;
282 // number of the entity represents, or 0 for non-network entities
284 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
285 vec3_t colormap_pantscolor;
286 vec3_t colormap_shirtcolor;
287 // light, particles, etc
289 // qw CTF flags and other internal-use-only effect bits
296 // colormod tinting of models
300 // interpolated animation - active framegroups and blend factors
301 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
303 // time of last model change (for shader animations)
306 // calculated by the renderer (but not persistent)
308 // calculated during R_AddModelEntities
310 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
311 frameblend_t frameblend[MAX_FRAMEBLENDS];
313 // animation cache index
316 // current lighting from map (updated ONLY by client code, not renderer)
317 vec3_t modellight_ambient;
318 vec3_t modellight_diffuse; // q3bsp
319 vec3_t modellight_lightdir; // q3bsp
321 // FIELDS UPDATED BY RENDERER:
322 // last time visible during trace culling
323 double last_trace_visibility;
327 typedef struct entity_persistent_s
333 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
335 // muzzleflash fading
338 // interpolated movement
340 // start time of move
342 // time difference from start to end of move
344 // the move itself, start and end
352 typedef struct entity_s
354 // baseline state (default values)
355 entity_state_t state_baseline;
356 // previous state (interpolating from this)
357 entity_state_t state_previous;
358 // current state (interpolating to this)
359 entity_state_t state_current;
361 // used for regenerating parts of render
362 entity_persistent_t persistent;
364 // the only data the renderer should know about
365 entity_render_t render;
369 typedef struct usercmd_s
373 // intended velocities
378 vec3_t cursor_screen;
381 vec3_t cursor_impact;
382 vec3_t cursor_normal;
383 vec_t cursor_fraction;
384 int cursor_entitynumber;
386 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
387 double receivetime; // time the move was received at
388 double clienttime; // time to which server state the move corresponds to
389 int msec; // for predicted moves
393 qboolean applied; // if false we're still accumulating a move
394 qboolean predicted; // if true the sequence should be sent as 0
396 // derived properties
403 typedef struct lightstyle_s
406 char map[MAX_STYLESTRING];
409 typedef struct scoreboard_s
411 char name[MAX_SCOREBOARDNAME];
413 int colors; // two 4 bit fields
416 char qw_userinfo[MAX_USERINFO_STRING];
422 char qw_skin[MAX_QPATH];
425 typedef struct cshift_s
428 float percent; // 0-255
429 float alphafade; // (any speed)
432 #define CSHIFT_CONTENTS 0
433 #define CSHIFT_DAMAGE 1
434 #define CSHIFT_BONUS 2
435 #define CSHIFT_POWERUP 3
436 #define CSHIFT_VCSHIFT 4
437 #define NUM_CSHIFTS 5
439 #define NAME_LENGTH 64
443 // client_state_t should hold all pieces of the client state
446 #define SIGNONS 4 // signon messages to receive before connected
449 #define MAX_DEMONAME 16
451 typedef enum cactive_e
453 ca_uninitialized, // during early startup
454 ca_dedicated, // a dedicated server with no ability to start a client
455 ca_disconnected, // full screen console with no connection
456 ca_connected // valid netcon, talking to a server
460 typedef enum qw_downloadtype_e
470 typedef enum capturevideoformat_e
472 CAPTUREVIDEOFORMAT_AVI_I420,
473 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
475 capturevideoformat_t;
477 typedef struct capturevideostate_s
479 double startrealtime;
492 int soundsampleframe;
493 unsigned char *screenbuffer;
494 unsigned char *outbuffer;
495 char basename[MAX_QPATH];
498 // precomputed RGB to YUV tables
499 // converts the RGB values to YUV (see cap_avi.c for how to use them)
500 short rgbtoyuvscaletable[3][3][256];
501 unsigned char yuvnormalizetable[3][256];
503 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
504 // 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
505 unsigned short vidramp[256 * 3];
507 // stuff to be filled in by the video format module
508 capturevideoformat_t format;
509 const char *formatextension;
512 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
513 void (*endvideo) (void);
514 void (*videoframes) (int num);
515 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
517 // format specific data
518 void *formatspecific;
522 #define CL_MAX_DOWNLOADACKS 4
524 typedef struct cl_downloadack_s
530 typedef struct cl_soundstats_s
534 int latency_milliseconds;
539 // the client_static_t structure is persistent through an arbitrary number
540 // of server connections
542 typedef struct client_static_s
546 // all client memory allocations go in these pools
547 mempool_t *levelmempool;
548 mempool_t *permanentmempool;
551 // -1 = don't play demos
553 // list of demos in loop
554 char demos[MAX_DEMOS][MAX_DEMONAME];
555 // the actively playing demo (set by CL_PlayDemo_f)
556 char demoname[MAX_QPATH];
558 // demo recording info must be here, because record is started before
559 // entering a map (and clearing client_state_t)
560 qboolean demorecording;
561 fs_offset_t demo_lastcsprogssize;
562 int demo_lastcsprogscrc;
563 qboolean demoplayback;
565 // -1 = use normal cd track
568 // realtime at second frame of timedemo (LordHavoc: changed to double)
570 int td_frames; // total frames parsed
571 double td_onesecondnexttime;
572 double td_onesecondframes;
573 double td_onesecondrealtime;
574 double td_onesecondminfps;
575 double td_onesecondmaxfps;
576 double td_onesecondavgfps;
577 int td_onesecondavgcount;
578 // LordHavoc: pausedemo
581 // sound mixer statistics for showsound display
582 cl_soundstats_t soundstats;
584 qboolean connect_trying;
585 int connect_remainingtries;
586 double connect_nextsendtime;
587 lhnetsocket_t *connect_mysocket;
588 lhnetaddress_t connect_address;
589 // protocol version of the server we're connected to
590 // (kept outside client_state_t because it's used between levels)
591 protocolversion_t protocol;
595 lhnetaddress_t rcon_addresses[MAX_RCONS];
596 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
597 double rcon_timeout[MAX_RCONS];
600 // connection information
603 // network connection
606 // download information
607 // (note: qw_download variables are also used)
608 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
610 // input sequence numbers are not reset on level change, only connect
612 int servermovesequence;
614 // quakeworld stuff below
616 // value of "qport" cvar at time of connection
618 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
619 int qw_incoming_sequence;
620 int qw_outgoing_sequence;
622 // current file download buffer (only saved when file is completed)
623 char qw_downloadname[MAX_QPATH];
624 unsigned char *qw_downloadmemory;
625 int qw_downloadmemorycursize;
626 int qw_downloadmemorymaxsize;
627 int qw_downloadnumber;
628 int qw_downloadpercent;
629 qw_downloadtype_t qw_downloadtype;
630 // transfer rate display
631 double qw_downloadspeedtime;
632 int qw_downloadspeedcount;
633 int qw_downloadspeedrate;
634 qboolean qw_download_deflate;
636 // current file upload buffer (for uploading screenshots to server)
637 unsigned char *qw_uploaddata;
642 // this normally contains the following keys in quakeworld:
643 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
644 char userinfo[MAX_USERINFO_STRING];
646 // video capture stuff
647 capturevideostate_t capturevideo;
651 extern client_static_t cls;
653 typedef struct client_movementqueue_s
664 client_movementqueue_t;
670 qboolean drawenginesbar;
671 qboolean drawcrosshair;
676 PARTICLE_BILLBOARD = 0,
678 PARTICLE_ORIENTED_DOUBLESIDED = 2,
681 PARTICLE_INVALID = -1
694 typedef struct particletype_s
697 porientation_t orientation;
704 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
708 typedef struct decal_s
710 // fields used by rendering: (44 bytes)
711 unsigned short typeindex;
712 unsigned short texnum;
716 float alpha; // 0-255
717 unsigned char color[3];
718 unsigned char unused1;
719 int clusterindex; // cheap culling by pvs
721 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
722 float time2; // used for decal fade
723 unsigned int owner; // decal stuck to this entity
724 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
725 vec3_t relativeorigin; // decal at this location in entity's coordinate space
726 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
730 typedef struct particle_s
732 // fields used by rendering: (40 bytes)
733 unsigned char typeindex;
735 porientation_t orientation;
736 unsigned char texnum;
738 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
740 float alpha; // 0-255
741 unsigned char color[3];
742 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
743 float stretch; // only for sparks
745 signed char staintexnum;
746 float stainsizefactor;
748 // fields not used by rendering: (40 bytes)
749 float sizeincrease; // rate of size change per second
750 float alphafade; // how much alpha reduces per second
751 float time2; // used for snow fluttering and decal fade
752 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)
753 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
754 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
755 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
756 float delayedcollisions; // time that p->bounce becomes active
757 float delayedspawn; // time that particle appears and begins moving
758 float die; // time when this particle should be removed, regardless of alpha
762 typedef enum cl_parsingtextmode_e
764 CL_PARSETEXTMODE_NONE,
765 CL_PARSETEXTMODE_PING,
766 CL_PARSETEXTMODE_STATUS,
767 CL_PARSETEXTMODE_STATUS_PLAYERID,
768 CL_PARSETEXTMODE_STATUS_PLAYERIP
770 cl_parsingtextmode_t;
772 typedef struct cl_locnode_s
774 struct cl_locnode_s *next;
780 typedef struct showlmp_s
791 // the client_state_t structure is wiped completely at every
794 typedef struct client_state_s
796 // true if playing in a local game and no one else is connected
799 // send a clc_nop periodically until connected
802 // current input being accumulated by mouse/joystick/etc input
804 // latest moves sent to the server that have not been confirmed yet
805 usercmd_t movecmd[CL_MAX_USERCMDS];
807 // information for local display
809 int stats[MAX_CL_STATS];
810 float *statsf; // points to stats[] array
811 // last known inventory bit flags, for blinking
813 // cl.time of acquiring item, for blinking
814 float item_gettime[32];
815 // last known STAT_ACTIVEWEAPON
817 // cl.time of changing STAT_ACTIVEWEAPON
819 // use pain anim frame if cl.time < this
821 // for stair smoothing
823 double stairsmoothtime;
825 // color shifts for damage, powerups
826 cshift_t cshifts[NUM_CSHIFTS];
828 cshift_t prev_cshifts[NUM_CSHIFTS];
830 // the client maintains its own idea of view angles, which are
831 // sent to the server each frame. The server sets punchangle when
832 // the view is temporarily offset, and an angle reset commands at the start
833 // of each level and after teleporting.
835 // mviewangles is read from demo
836 // viewangles is either client controlled or lerped from mviewangles
837 vec3_t mviewangles[2], viewangles;
838 // update by server, used by qc to do weapon recoil
839 vec3_t mpunchangle[2], punchangle;
840 // update by server, can be used by mods to kick view around
841 vec3_t mpunchvector[2], punchvector;
842 // update by server, used for lean+bob (0 is newest)
843 vec3_t mvelocity[2], velocity;
844 // update by server, can be used by mods for zooming
845 vec_t mviewzoom[2], viewzoom;
846 // if true interpolation the mviewangles and other interpolation of the
847 // player is disabled until the next network packet
848 // this is used primarily by teleporters, and when spectating players
849 // special checking of the old fixangle[1] is used to differentiate
850 // between teleporting and spectating
851 qboolean fixangle[2];
853 // client movement simulation
854 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
855 // set by CL_ClientMovement_Replay functions
856 qboolean movement_predicted;
857 // if true the CL_ClientMovement_Replay function will update origin, etc
858 qboolean movement_replay;
859 // simulated data (this is valid even if cl.movement is false)
860 vec3_t movement_origin;
861 vec3_t movement_velocity;
862 // whether the replay should allow a jump at the first sequence
863 qboolean movement_replay_canjump;
865 // pitch drifting vars
872 //[515]: added for csqc purposes
873 float sensitivityscale;
874 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
875 qboolean csqc_wantsmousemove;
876 struct model_s *csqc_model_precache[MAX_MODELS];
878 // local amount for smoothing stepups
887 qboolean oldonground;
888 double lastongroundtime;
889 double hitgroundtime;
891 // don't change view angle, full screen, etc
893 // latched at intermission start
894 double completed_time;
896 // the timestamp of the last two messages
899 // clients view of time, time should be between mtime[0] and mtime[1] to
900 // generate a lerp point for other data, oldtime is the previous frame's
901 // value of time, frametime is the difference between time and oldtime
902 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
903 // is only forcefully limited when a packet is received
904 double time, oldtime;
905 // how long it has been since the previous client frame in real time
906 // (not game time, for that use cl.time - cl.oldtime)
907 double realframetime;
909 // fade var for fading while dead
912 // motionblur alpha level variable
913 float motionbluralpha;
915 // copy of realtime from last recieved message, for net trouble icon
916 float last_received_message;
918 // information that is static for the entire time connected to a server
919 struct model_s *model_precache[MAX_MODELS];
920 struct sfx_s *sound_precache[MAX_SOUNDS];
922 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
923 char model_name[MAX_MODELS][MAX_QPATH];
924 char sound_name[MAX_SOUNDS][MAX_QPATH];
926 // for display on solo scoreboard
928 // cl_entitites[cl.viewentity] = player
930 // the real player entity (normally same as viewentity,
931 // different than viewentity if mod uses chasecam or other tricks)
932 int realplayerentity;
933 // this is updated to match cl.viewentity whenever it is in the clients
934 // range, basically this is used in preference to cl.realplayerentity for
935 // most purposes because when spectating another player it should show
936 // their information rather than yours
938 // max players that can be in this game
940 // type of game (deathmatch, coop, singleplayer)
943 // models and sounds used by engine code (particularly cl_parse.c)
944 dp_model_t *model_bolt;
945 dp_model_t *model_bolt2;
946 dp_model_t *model_bolt3;
947 dp_model_t *model_beam;
949 sfx_t *sfx_knighthit;
955 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
956 qboolean foundtalk2wav;
958 // refresh related state
960 // cl_entitites[0].model
961 struct model_s *worldmodel;
967 int cdtrack, looptrack;
972 scoreboard_t *scores;
974 // keep track of svc_print parsing state (analyzes ping reports and status reports)
975 cl_parsingtextmode_t parsingtextmode;
976 int parsingtextplayerindex;
977 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
978 // (which could eat the wrong ping report if the player issues one
979 // manually, but they would still see a ping report, just a later one
980 // caused by the scoreboard code rather than the one they intentionally
982 int parsingtextexpectingpingforscores;
984 // entity database stuff
985 // latest received entity frame numbers
986 #define LATESTFRAMENUMS 3
987 int latestframenums[LATESTFRAMENUMS];
988 entityframe_database_t *entitydatabase;
989 entityframe4_database_t *entitydatabase4;
990 entityframeqw_database_t *entitydatabaseqw;
992 // keep track of quake entities because they need to be killed if they get stale
994 unsigned char isquakeentity[MAX_EDICTS];
996 // bounding boxes for clientside movement
997 vec3_t playerstandmins;
998 vec3_t playerstandmaxs;
999 vec3_t playercrouchmins;
1000 vec3_t playercrouchmaxs;
1003 int max_static_entities;
1008 int max_brushmodel_entities;
1014 unsigned char *entities_active;
1015 entity_t *static_entities;
1016 cl_effect_t *effects;
1019 lightstyle_t *lightstyle;
1020 int *brushmodel_entities;
1021 particle_t *particles;
1023 showlmp_t *showlmps;
1026 int num_static_entities;
1027 int num_brushmodel_entities;
1035 double particles_updatetime;
1036 double decals_updatetime;
1040 // cl_serverextension_download feature
1041 int loadmodel_current;
1042 int downloadmodel_current;
1043 int loadmodel_total;
1044 int loadsound_current;
1045 int downloadsound_current;
1046 int loadsound_total;
1047 qboolean downloadcsqc;
1050 qboolean loadfinished;
1054 // local copy of the server infostring
1055 char qw_serverinfo[MAX_SERVERINFO_STRING];
1057 // time of last qw "pings" command sent to server while showing scores
1058 double last_ping_request;
1060 // used during connect
1063 // updated from serverinfo
1066 // unused: indicates whether the player is spectating
1067 // use cl.scores[cl.playerentity-1].qw_spectator instead
1068 //qboolean qw_spectator;
1070 // last time an input packet was sent
1071 double lastpackettime;
1073 // movement parameters for client prediction
1074 unsigned int moveflags;
1075 float movevars_wallfriction;
1076 float movevars_waterfriction;
1077 float movevars_friction;
1078 float movevars_timescale;
1079 float movevars_gravity;
1080 float movevars_stopspeed;
1081 float movevars_maxspeed;
1082 float movevars_spectatormaxspeed;
1083 float movevars_accelerate;
1084 float movevars_airaccelerate;
1085 float movevars_wateraccelerate;
1086 float movevars_entgravity;
1087 float movevars_jumpvelocity;
1088 float movevars_edgefriction;
1089 float movevars_maxairspeed;
1090 float movevars_stepheight;
1091 float movevars_airaccel_qw;
1092 float movevars_airaccel_sideways_friction;
1093 float movevars_airstopaccelerate;
1094 float movevars_airstrafeaccelerate;
1095 float movevars_maxairstrafespeed;
1096 float movevars_aircontrol;
1097 float movevars_warsowbunny_airforwardaccel;
1098 float movevars_warsowbunny_accel;
1099 float movevars_warsowbunny_topspeed;
1100 float movevars_warsowbunny_turnaccel;
1101 float movevars_warsowbunny_backtosideratio;
1102 float movevars_ticrate;
1104 // models used by qw protocol
1105 int qw_modelindex_spike;
1106 int qw_modelindex_player;
1107 int qw_modelindex_flag;
1108 int qw_modelindex_s_explod;
1110 vec3_t qw_intermission_origin;
1111 vec3_t qw_intermission_angles;
1113 // 255 is the most nails the QW protocol could send
1115 vec_t qw_nails[255][6];
1117 float qw_weaponkick;
1119 int qw_validsequence;
1121 int qw_deltasequence[QW_UPDATE_BACKUP];
1124 // server entity number corresponding to a clientside entity
1125 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1126 qboolean csqc_loaded;
1129 qboolean csqc_usecsqclistener;
1130 matrix4x4_t csqc_listenermatrix;
1131 char csqc_printtextbuf[MAX_INPUTLINE];
1133 // collision culling data
1136 // loc file stuff (points and boxes describing locations in the level)
1137 cl_locnode_t *locnodes;
1138 // this is updated to cl.movement_origin whenever health is < 1
1139 // used by %d print in say/say_team messages if cl_locs_enable is on
1140 vec3_t lastdeathorigin;
1142 // processing buffer used by R_BuildLightMap, reallocated as needed,
1143 // freed on each level change
1144 size_t buildlightmapmemorysize;
1145 unsigned char *buildlightmapmemory;
1152 extern cvar_t cl_name;
1153 extern cvar_t cl_color;
1154 extern cvar_t cl_rate;
1155 extern cvar_t cl_pmodel;
1156 extern cvar_t cl_playermodel;
1157 extern cvar_t cl_playerskin;
1159 extern cvar_t rcon_password;
1160 extern cvar_t rcon_address;
1162 extern cvar_t cl_upspeed;
1163 extern cvar_t cl_forwardspeed;
1164 extern cvar_t cl_backspeed;
1165 extern cvar_t cl_sidespeed;
1167 extern cvar_t cl_movespeedkey;
1169 extern cvar_t cl_yawspeed;
1170 extern cvar_t cl_pitchspeed;
1172 extern cvar_t cl_anglespeedkey;
1174 extern cvar_t cl_autofire;
1176 extern cvar_t cl_shownet;
1177 extern cvar_t cl_nolerp;
1178 extern cvar_t cl_nettimesyncfactor;
1179 extern cvar_t cl_nettimesyncboundmode;
1180 extern cvar_t cl_nettimesyncboundtolerance;
1182 extern cvar_t cl_pitchdriftspeed;
1183 extern cvar_t lookspring;
1184 extern cvar_t lookstrafe;
1185 extern cvar_t sensitivity;
1187 extern cvar_t freelook;
1189 extern cvar_t m_pitch;
1190 extern cvar_t m_yaw;
1191 extern cvar_t m_forward;
1192 extern cvar_t m_side;
1194 extern cvar_t cl_autodemo;
1195 extern cvar_t cl_autodemo_nameformat;
1197 extern cvar_t r_draweffects;
1199 extern cvar_t cl_explosions_alpha_start;
1200 extern cvar_t cl_explosions_alpha_end;
1201 extern cvar_t cl_explosions_size_start;
1202 extern cvar_t cl_explosions_size_end;
1203 extern cvar_t cl_explosions_lifetime;
1204 extern cvar_t cl_stainmaps;
1205 extern cvar_t cl_stainmaps_clearonload;
1207 extern cvar_t cl_prydoncursor;
1209 extern cvar_t cl_locs_enable;
1211 extern client_state_t cl;
1213 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);
1215 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1216 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1218 //=============================================================================
1224 void CL_Shutdown (void);
1225 void CL_Init (void);
1227 void CL_EstablishConnection(const char *host);
1229 void CL_Disconnect (void);
1230 void CL_Disconnect_f (void);
1232 void CL_UpdateRenderEntity(entity_render_t *ent);
1233 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1234 void CL_UpdateViewEntities(void);
1239 typedef struct kbutton_s
1241 int down[2]; // key nums holding it down
1242 int state; // low bit is down state
1246 extern kbutton_t in_mlook, in_klook;
1247 extern kbutton_t in_strafe;
1248 extern kbutton_t in_speed;
1250 void CL_InitInput (void);
1251 void CL_SendMove (void);
1253 void CL_ValidateState(entity_state_t *s);
1254 void CL_MoveLerpEntityStates(entity_t *ent);
1255 void CL_LerpUpdate(entity_t *e);
1256 void CL_ParseTEnt (void);
1257 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1258 void CL_RelinkBeams (void);
1259 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1260 void CL_ClientMovement_Replay(void);
1262 void CL_ClearTempEntities (void);
1263 entity_render_t *CL_NewTempEntity (double shadertime);
1265 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1267 void CL_ClearState (void);
1268 void CL_ExpandEntities(int num);
1269 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1272 void CL_UpdateWorld (void);
1273 void CL_WriteToServer (void);
1274 void CL_Input (void);
1275 extern int cl_ignoremousemoves;
1278 float CL_KeyState (kbutton_t *key);
1279 const char *Key_KeynumToString (int keynum);
1280 int Key_StringToKeynum (const char *str);
1285 void CL_StopPlayback(void);
1286 void CL_ReadDemoMessage(void);
1287 void CL_WriteDemoMessage(sizebuf_t *mesage);
1289 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1290 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1292 void CL_NextDemo(void);
1293 void CL_Stop_f(void);
1294 void CL_Record_f(void);
1295 void CL_PlayDemo_f(void);
1296 void CL_TimeDemo_f(void);
1301 void CL_Parse_Init(void);
1302 void CL_Parse_Shutdown(void);
1303 void CL_ParseServerMessage(void);
1304 void CL_Parse_DumpPacket(void);
1305 void CL_Parse_ErrorCleanUp(void);
1306 void QW_CL_StartUpload(unsigned char *data, int size);
1307 extern cvar_t qport;
1308 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1313 void V_StartPitchDrift (void);
1314 void V_StopPitchDrift (void);
1317 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1318 void V_UpdateBlends (void);
1319 void V_ParseDamage (void);
1325 extern cvar_t cl_particles;
1326 extern cvar_t cl_particles_quality;
1327 extern cvar_t cl_particles_size;
1328 extern cvar_t cl_particles_quake;
1329 extern cvar_t cl_particles_blood;
1330 extern cvar_t cl_particles_blood_alpha;
1331 extern cvar_t cl_particles_blood_bloodhack;
1332 extern cvar_t cl_particles_bulletimpacts;
1333 extern cvar_t cl_particles_explosions_sparks;
1334 extern cvar_t cl_particles_explosions_shell;
1335 extern cvar_t cl_particles_rain;
1336 extern cvar_t cl_particles_snow;
1337 extern cvar_t cl_particles_smoke;
1338 extern cvar_t cl_particles_smoke_alpha;
1339 extern cvar_t cl_particles_smoke_alphafade;
1340 extern cvar_t cl_particles_sparks;
1341 extern cvar_t cl_particles_bubbles;
1342 extern cvar_t cl_decals;
1343 extern cvar_t cl_decals_time;
1344 extern cvar_t cl_decals_fadetime;
1346 void CL_Particles_Clear(void);
1347 void CL_Particles_Init(void);
1348 void CL_Particles_Shutdown(void);
1349 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);
1351 typedef enum effectnameindex_s
1355 EFFECT_TE_GUNSHOTQUAD,
1357 EFFECT_TE_SPIKEQUAD,
1358 EFFECT_TE_SUPERSPIKE,
1359 EFFECT_TE_SUPERSPIKEQUAD,
1361 EFFECT_TE_KNIGHTSPIKE,
1362 EFFECT_TE_EXPLOSION,
1363 EFFECT_TE_EXPLOSIONQUAD,
1364 EFFECT_TE_TAREXPLOSION,
1366 EFFECT_TE_LAVASPLASH,
1367 EFFECT_TE_SMALLFLASH,
1372 EFFECT_TE_PLASMABURN,
1374 EFFECT_TE_TEI_SMOKE,
1375 EFFECT_TE_TEI_BIGEXPLOSION,
1376 EFFECT_TE_TEI_PLASMAHIT,
1382 EFFECT_TR_SLIGHTBLOOD,
1383 EFFECT_TR_KNIGHTSPIKE,
1384 EFFECT_TR_VORESPIKE,
1385 EFFECT_TR_NEHAHRASMOKE,
1386 EFFECT_TR_NEXUIZPLASMA,
1387 EFFECT_TR_GLOWTRAIL,
1388 EFFECT_SVC_PARTICLE,
1393 int CL_ParticleEffectIndexForName(const char *name);
1394 const char *CL_ParticleEffectNameForIndex(int i);
1395 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);
1396 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);
1397 void CL_ParseParticleEffect (void);
1398 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);
1399 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1400 void CL_EntityParticles (const entity_t *ent);
1401 void CL_ParticleExplosion (const vec3_t org);
1402 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1403 void R_NewExplosion(const vec3_t org);
1405 void Debug_PolygonBegin(const char *picname, int flags);
1406 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1407 void Debug_PolygonEnd(void);
1409 #include "cl_screen.h"
1411 extern qboolean sb_showscores;
1413 float FogPoint_World(const vec3_t p);
1414 float FogPoint_Model(const vec3_t p);
1415 float FogForDistance(vec_t dist);
1417 typedef struct r_refdef_stats_s
1421 int entities_surfaces;
1422 int entities_triangles;
1426 int world_triangles;
1427 int lightmapupdates;
1428 int lightmapupdatepixels;
1432 int meshes_elements;
1435 int lights_scissored;
1436 int lights_lighttriangles;
1437 int lights_shadowtriangles;
1438 int lights_dynamicshadowtriangles;
1440 int bloom_copypixels;
1441 int bloom_drawpixels;
1445 typedef enum r_viewport_type_e
1447 R_VIEWPORTTYPE_ORTHO,
1448 R_VIEWPORTTYPE_PERSPECTIVE,
1449 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1450 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1451 R_VIEWPORTTYPE_TOTAL
1455 typedef struct r_viewport_s
1458 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1459 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1460 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1467 r_viewport_type_t type;
1471 typedef struct r_refdef_view_s
1473 // view information (changes multiple times per frame)
1474 // if any of these variables change then r_refdef.viewcache must be regenerated
1475 // by calling R_View_Update
1476 // (which also updates viewport, scissor, colormask)
1478 // it is safe and expected to copy this into a structure on the stack and
1479 // call the renderer recursively, then restore from the stack afterward
1480 // (as long as R_View_Update is called)
1482 // eye position information
1483 matrix4x4_t matrix, inverse_matrix;
1489 int numfrustumplanes;
1490 mplane_t frustum[6];
1491 qboolean useclipplane;
1492 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1494 float frustum_x, frustum_y;
1495 vec3_t frustumcorner[4];
1496 // if turned off it renders an ortho view
1498 float ortho_x, ortho_y;
1500 // screen area to render in
1507 r_viewport_t viewport;
1509 // which color components to allow (for anaglyph glasses)
1512 // global RGB color multiplier for rendering, this is required by HDR
1515 // whether to call R_ClearScreen before rendering stuff
1517 // if true, don't clear or do any post process effects (bloom, etc)
1520 // whether to draw r_showtris and such, this is only true for the main
1521 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1522 // distortion effects, etc) omit such debugging information
1525 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1529 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1534 typedef struct r_refdef_viewcache_s
1536 // these properties are generated by R_View_Update()
1538 // which entities are currently visible for this viewpoint
1539 // (the used range is 0...r_refdef.scene.numentities)
1540 unsigned char entityvisible[MAX_EDICTS];
1541 // flag arrays used for visibility checking on world model
1542 // (all other entities have no per-surface/per-leaf visibility checks)
1543 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1544 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1545 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1546 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1547 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1548 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1549 // if true, the view is currently in a leaf without pvs data
1550 qboolean world_novis;
1552 r_refdef_viewcache_t;
1554 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1555 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1556 typedef struct r_refdef_scene_s {
1557 // whether to call S_ExtraUpdate during render to reduce sound chop
1558 qboolean extraupdate;
1560 // (client gameworld) time for rendering time based effects
1564 entity_render_t *worldentity;
1566 // same as worldentity->model
1567 dp_model_t *worldmodel;
1569 // renderable entities (excluding world)
1570 entity_render_t **entities;
1574 // field of temporary entities that is reset each (client) frame
1575 entity_render_t *tempentities;
1576 int numtempentities;
1577 int maxtempentities;
1579 // renderable dynamic lights
1580 rtlight_t *lights[MAX_DLIGHTS];
1581 rtlight_t templights[MAX_DLIGHTS];
1584 // intensities for light styles right now, controls rtlights
1585 float rtlightstylevalue[256]; // float fraction of base light value
1586 // 8.8bit fixed point intensities for light styles
1587 // controls intensity lightmap layers
1588 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1593 qboolean rtworldshadows;
1595 qboolean rtdlightshadows;
1598 typedef struct r_refdef_s
1600 // these fields define the basic rendering information for the world
1601 // but not the view, which could change multiple times in one rendered
1602 // frame (for example when rendering textures for certain effects)
1604 // these are set for water warping before
1605 // frustum_x/frustum_y are calculated
1606 float frustumscale_x, frustumscale_y;
1608 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1609 r_refdef_view_t view;
1610 r_refdef_viewcache_t viewcache;
1612 // minimum visible distance (pixels closer than this disappear)
1614 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1615 // in 32bpp an infinite-farclip matrix is used instead)
1618 // fullscreen color blend
1621 r_refdef_scene_t scene;
1625 vec_t fograngerecip;
1626 vec_t fogmasktabledistmultiplier;
1627 #define FOGMASKTABLEWIDTH 1024
1628 float fogmasktable[FOGMASKTABLEWIDTH];
1629 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1637 qboolean fogenabled;
1638 qboolean oldgl_fogenable;
1640 qboolean draw2dstage;
1642 // true during envmap command capture
1645 // brightness of world lightmaps and related lighting
1646 // (often reduced when world rtlights are enabled)
1647 float lightmapintensity;
1648 // whether to draw world lights realtime, dlights realtime, and their shadows
1649 float polygonfactor;
1650 float polygonoffset;
1651 float shadowpolygonfactor;
1652 float shadowpolygonoffset;
1654 // rendering stats for r_speeds display
1655 // (these are incremented in many places)
1656 r_refdef_stats_t stats;
1660 extern r_refdef_t r_refdef;