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;
155 typedef struct dlight_s
157 // destroy light after this time
160 // the entity that owns this light (can be NULL)
162 struct entity_render_s *ent;
164 // (worldlight: saved to .rtlights file)
166 // worldlight orientation
168 // (worldlight: saved to .rtlights file)
170 // dlight orientation/scaling/location
174 // (worldlight: saved to .rtlights file)
176 // cubemap name to use on this light
177 // (worldlight: saved to .rtlights file)
178 char cubemapname[64];
179 // make light flash while selected
182 // brightness (not really radius anymore)
183 // (worldlight: saved to .rtlights file)
185 // drop intensity this much each second
188 // intensity value which is dropped over time
191 // initial values for intensity to modify
195 // light style which controls intensity of this light
196 // (worldlight: saved to .rtlights file)
199 // (worldlight: saved to .rtlights file)
202 // (worldlight: saved to .rtlights file)
204 // radius scale of corona to render (1.0 means same as light radius)
205 // (worldlight: saved to .rtlights file)
206 vec_t coronasizescale;
207 // ambient intensity to render
208 // (worldlight: saved to .rtlights file)
210 // diffuse intensity to render
211 // (worldlight: saved to .rtlights file)
213 // specular intensity to render
214 // (worldlight: saved to .rtlights file)
217 // (worldlight: saved to .rtlights file)
219 // linked list of world lights
221 struct dlight_s *next;
222 // embedded rtlight struct for renderer
228 #define MAX_FRAMEGROUPBLENDS 4
229 typedef struct framegroupblend_s
231 // animation number and blend factor
232 // (for most models this is the frame number)
235 // time frame began playing (for framegroup animations)
240 // this is derived from processing of the framegroupblend array
241 // note: technically each framegroupblend can produce two of these, but that
242 // never happens in practice because no one blends between more than 2
243 // framegroups at once
244 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
245 typedef struct frameblend_s
252 // LordHavoc: this struct is intended for the renderer but some fields are
253 // used by the client.
255 // The renderer should not rely on any changes to this struct to be persistent
256 // across multiple frames because temp entities are wiped every frame, but it
257 // is acceptable to cache things in this struct that are not critical.
259 // For example the r_cullentities_trace code does such caching.
260 typedef struct entity_render_s
266 // transform matrix for model to world
268 // transform matrix for world to model
269 matrix4x4_t inversematrix;
270 // opacity (alpha) of the model
272 // size the model is shown
277 // number of the entity represents, or 0 for non-network entities
279 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
280 vec3_t colormap_pantscolor;
281 vec3_t colormap_shirtcolor;
282 // light, particles, etc
284 // qw CTF flags and other internal-use-only effect bits
291 // colormod tinting of models
294 // interpolated animation - active framegroups and blend factors
295 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
297 // time of last model change (for shader animations)
300 // calculated by the renderer (but not persistent)
302 // calculated during R_AddModelEntities
304 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
305 frameblend_t frameblend[MAX_FRAMEBLENDS];
307 // animation cache index
310 // current lighting from map (updated ONLY by client code, not renderer)
311 vec3_t modellight_ambient;
312 vec3_t modellight_diffuse; // q3bsp
313 vec3_t modellight_lightdir; // q3bsp
315 // FIELDS UPDATED BY RENDERER:
316 // last time visible during trace culling
317 double last_trace_visibility;
321 typedef struct entity_persistent_s
327 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
329 // muzzleflash fading
332 // interpolated movement
334 // start time of move
336 // time difference from start to end of move
338 // the move itself, start and end
346 typedef struct entity_s
348 // baseline state (default values)
349 entity_state_t state_baseline;
350 // previous state (interpolating from this)
351 entity_state_t state_previous;
352 // current state (interpolating to this)
353 entity_state_t state_current;
355 // used for regenerating parts of render
356 entity_persistent_t persistent;
358 // the only data the renderer should know about
359 entity_render_t render;
363 typedef struct usercmd_s
367 // intended velocities
372 vec3_t cursor_screen;
375 vec3_t cursor_impact;
376 vec3_t cursor_normal;
377 vec_t cursor_fraction;
378 int cursor_entitynumber;
380 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
381 double receivetime; // time the move was received at
382 double clienttime; // time to which server state the move corresponds to
383 int msec; // for predicted moves
387 qboolean applied; // if false we're still accumulating a move
388 qboolean predicted; // if true the sequence should be sent as 0
390 // derived properties
397 typedef struct lightstyle_s
400 char map[MAX_STYLESTRING];
403 typedef struct scoreboard_s
405 char name[MAX_SCOREBOARDNAME];
407 int colors; // two 4 bit fields
410 char qw_userinfo[MAX_USERINFO_STRING];
416 char qw_skin[MAX_QPATH];
419 typedef struct cshift_s
422 float percent; // 0-255
423 float alphafade; // (any speed)
426 #define CSHIFT_CONTENTS 0
427 #define CSHIFT_DAMAGE 1
428 #define CSHIFT_BONUS 2
429 #define CSHIFT_POWERUP 3
430 #define CSHIFT_VCSHIFT 4
431 #define NUM_CSHIFTS 5
433 #define NAME_LENGTH 64
437 // client_state_t should hold all pieces of the client state
440 #define SIGNONS 4 // signon messages to receive before connected
443 #define MAX_DEMONAME 16
445 typedef enum cactive_e
447 ca_uninitialized, // during early startup
448 ca_dedicated, // a dedicated server with no ability to start a client
449 ca_disconnected, // full screen console with no connection
450 ca_connected // valid netcon, talking to a server
454 typedef enum qw_downloadtype_e
464 typedef enum capturevideoformat_e
466 CAPTUREVIDEOFORMAT_AVI_I420,
467 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
469 capturevideoformat_t;
471 typedef struct capturevideostate_s
473 double startrealtime;
486 int soundsampleframe;
487 unsigned char *screenbuffer;
488 unsigned char *outbuffer;
489 char basename[MAX_QPATH];
492 // precomputed RGB to YUV tables
493 // converts the RGB values to YUV (see cap_avi.c for how to use them)
494 short rgbtoyuvscaletable[3][3][256];
495 unsigned char yuvnormalizetable[3][256];
497 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
498 // 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
499 unsigned short vidramp[256 * 3];
501 // stuff to be filled in by the video format module
502 capturevideoformat_t format;
503 const char *formatextension;
506 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
507 void (*endvideo) (void);
508 void (*videoframes) (int num);
509 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
511 // format specific data
512 void *formatspecific;
516 #define CL_MAX_DOWNLOADACKS 4
518 typedef struct cl_downloadack_s
524 typedef struct cl_soundstats_s
528 int latency_milliseconds;
533 // the client_static_t structure is persistent through an arbitrary number
534 // of server connections
536 typedef struct client_static_s
540 // all client memory allocations go in these pools
541 mempool_t *levelmempool;
542 mempool_t *permanentmempool;
545 // -1 = don't play demos
547 // list of demos in loop
548 char demos[MAX_DEMOS][MAX_DEMONAME];
549 // the actively playing demo (set by CL_PlayDemo_f)
550 char demoname[MAX_QPATH];
552 // demo recording info must be here, because record is started before
553 // entering a map (and clearing client_state_t)
554 qboolean demorecording;
555 fs_offset_t demo_lastcsprogssize;
556 int demo_lastcsprogscrc;
557 qboolean demoplayback;
559 // -1 = use normal cd track
562 // realtime at second frame of timedemo (LordHavoc: changed to double)
564 int td_frames; // total frames parsed
565 double td_onesecondnexttime;
566 double td_onesecondframes;
567 double td_onesecondrealtime;
568 double td_onesecondminfps;
569 double td_onesecondmaxfps;
570 double td_onesecondavgfps;
571 int td_onesecondavgcount;
572 // LordHavoc: pausedemo
575 // sound mixer statistics for showsound display
576 cl_soundstats_t soundstats;
578 qboolean connect_trying;
579 int connect_remainingtries;
580 double connect_nextsendtime;
581 lhnetsocket_t *connect_mysocket;
582 lhnetaddress_t connect_address;
583 // protocol version of the server we're connected to
584 // (kept outside client_state_t because it's used between levels)
585 protocolversion_t protocol;
589 lhnetaddress_t rcon_addresses[MAX_RCONS];
590 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
591 double rcon_timeout[MAX_RCONS];
594 // connection information
597 // network connection
600 // download information
601 // (note: qw_download variables are also used)
602 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
604 // input sequence numbers are not reset on level change, only connect
606 int servermovesequence;
608 // quakeworld stuff below
610 // value of "qport" cvar at time of connection
612 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
613 int qw_incoming_sequence;
614 int qw_outgoing_sequence;
616 // current file download buffer (only saved when file is completed)
617 char qw_downloadname[MAX_QPATH];
618 unsigned char *qw_downloadmemory;
619 int qw_downloadmemorycursize;
620 int qw_downloadmemorymaxsize;
621 int qw_downloadnumber;
622 int qw_downloadpercent;
623 qw_downloadtype_t qw_downloadtype;
624 // transfer rate display
625 double qw_downloadspeedtime;
626 int qw_downloadspeedcount;
627 int qw_downloadspeedrate;
628 qboolean qw_download_deflate;
630 // current file upload buffer (for uploading screenshots to server)
631 unsigned char *qw_uploaddata;
636 // this normally contains the following keys in quakeworld:
637 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
638 char userinfo[MAX_USERINFO_STRING];
640 // video capture stuff
641 capturevideostate_t capturevideo;
645 extern client_static_t cls;
647 typedef struct client_movementqueue_s
658 client_movementqueue_t;
664 qboolean drawenginesbar;
665 qboolean drawcrosshair;
670 PARTICLE_BILLBOARD = 0,
672 PARTICLE_ORIENTED_DOUBLESIDED = 2,
675 PARTICLE_INVALID = -1
688 typedef struct particletype_s
691 porientation_t orientation;
698 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
702 typedef struct decal_s
704 // fields used by rendering: (44 bytes)
705 unsigned short typeindex;
706 unsigned short texnum;
710 float alpha; // 0-255
711 unsigned char color[3];
712 unsigned char unused1;
713 int clusterindex; // cheap culling by pvs
715 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
716 float time2; // used for decal fade
717 unsigned int owner; // decal stuck to this entity
718 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
719 vec3_t relativeorigin; // decal at this location in entity's coordinate space
720 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
724 typedef struct particle_s
726 // fields used by rendering: (40 bytes)
727 unsigned char typeindex;
729 porientation_t orientation;
730 unsigned char texnum;
732 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
734 float alpha; // 0-255
735 unsigned char color[3];
736 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
737 float stretch; // only for sparks
739 signed char staintexnum;
740 float stainsizefactor;
742 // fields not used by rendering: (40 bytes)
743 float sizeincrease; // rate of size change per second
744 float alphafade; // how much alpha reduces per second
745 float time2; // used for snow fluttering and decal fade
746 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)
747 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
748 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
749 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
750 float delayedcollisions; // time that p->bounce becomes active
751 float delayedspawn; // time that particle appears and begins moving
752 float die; // time when this particle should be removed, regardless of alpha
756 typedef enum cl_parsingtextmode_e
758 CL_PARSETEXTMODE_NONE,
759 CL_PARSETEXTMODE_PING,
760 CL_PARSETEXTMODE_STATUS,
761 CL_PARSETEXTMODE_STATUS_PLAYERID,
762 CL_PARSETEXTMODE_STATUS_PLAYERIP
764 cl_parsingtextmode_t;
766 typedef struct cl_locnode_s
768 struct cl_locnode_s *next;
774 typedef struct showlmp_s
785 // the client_state_t structure is wiped completely at every
788 typedef struct client_state_s
790 // true if playing in a local game and no one else is connected
793 // send a clc_nop periodically until connected
796 // current input being accumulated by mouse/joystick/etc input
798 // latest moves sent to the server that have not been confirmed yet
799 usercmd_t movecmd[CL_MAX_USERCMDS];
801 // information for local display
803 int stats[MAX_CL_STATS];
804 float *statsf; // points to stats[] array
805 // last known inventory bit flags, for blinking
807 // cl.time of acquiring item, for blinking
808 float item_gettime[32];
809 // last known STAT_ACTIVEWEAPON
811 // cl.time of changing STAT_ACTIVEWEAPON
813 // use pain anim frame if cl.time < this
815 // for stair smoothing
817 double stairsmoothtime;
819 // color shifts for damage, powerups
820 cshift_t cshifts[NUM_CSHIFTS];
822 cshift_t prev_cshifts[NUM_CSHIFTS];
824 // the client maintains its own idea of view angles, which are
825 // sent to the server each frame. The server sets punchangle when
826 // the view is temporarily offset, and an angle reset commands at the start
827 // of each level and after teleporting.
829 // mviewangles is read from demo
830 // viewangles is either client controlled or lerped from mviewangles
831 vec3_t mviewangles[2], viewangles;
832 // update by server, used by qc to do weapon recoil
833 vec3_t mpunchangle[2], punchangle;
834 // update by server, can be used by mods to kick view around
835 vec3_t mpunchvector[2], punchvector;
836 // update by server, used for lean+bob (0 is newest)
837 vec3_t mvelocity[2], velocity;
838 // update by server, can be used by mods for zooming
839 vec_t mviewzoom[2], viewzoom;
840 // if true interpolation the mviewangles and other interpolation of the
841 // player is disabled until the next network packet
842 // this is used primarily by teleporters, and when spectating players
843 // special checking of the old fixangle[1] is used to differentiate
844 // between teleporting and spectating
845 qboolean fixangle[2];
847 // client movement simulation
848 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
849 // set by CL_ClientMovement_Replay functions
850 qboolean movement_predicted;
851 // if true the CL_ClientMovement_Replay function will update origin, etc
852 qboolean movement_replay;
853 // simulated data (this is valid even if cl.movement is false)
854 vec3_t movement_origin;
855 vec3_t movement_velocity;
856 // whether the replay should allow a jump at the first sequence
857 qboolean movement_replay_canjump;
859 // pitch drifting vars
866 //[515]: added for csqc purposes
867 float sensitivityscale;
868 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
869 qboolean csqc_wantsmousemove;
870 struct model_s *csqc_model_precache[MAX_MODELS];
872 // local amount for smoothing stepups
881 qboolean oldonground;
882 double lastongroundtime;
883 double hitgroundtime;
885 // don't change view angle, full screen, etc
887 // latched at intermission start
888 double completed_time;
890 // the timestamp of the last two messages
893 // clients view of time, time should be between mtime[0] and mtime[1] to
894 // generate a lerp point for other data, oldtime is the previous frame's
895 // value of time, frametime is the difference between time and oldtime
896 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
897 // is only forcefully limited when a packet is received
898 double time, oldtime;
899 // how long it has been since the previous client frame in real time
900 // (not game time, for that use cl.time - cl.oldtime)
901 double realframetime;
903 // fade var for fading while dead
906 // motionblur alpha level variable
907 float motionbluralpha;
909 // copy of realtime from last recieved message, for net trouble icon
910 float last_received_message;
912 // information that is static for the entire time connected to a server
913 struct model_s *model_precache[MAX_MODELS];
914 struct sfx_s *sound_precache[MAX_SOUNDS];
916 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
917 char model_name[MAX_MODELS][MAX_QPATH];
918 char sound_name[MAX_SOUNDS][MAX_QPATH];
920 // for display on solo scoreboard
922 // cl_entitites[cl.viewentity] = player
924 // the real player entity (normally same as viewentity,
925 // different than viewentity if mod uses chasecam or other tricks)
926 int realplayerentity;
927 // this is updated to match cl.viewentity whenever it is in the clients
928 // range, basically this is used in preference to cl.realplayerentity for
929 // most purposes because when spectating another player it should show
930 // their information rather than yours
932 // max players that can be in this game
934 // type of game (deathmatch, coop, singleplayer)
937 // models and sounds used by engine code (particularly cl_parse.c)
938 dp_model_t *model_bolt;
939 dp_model_t *model_bolt2;
940 dp_model_t *model_bolt3;
941 dp_model_t *model_beam;
943 sfx_t *sfx_knighthit;
949 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
950 qboolean foundtalk2wav;
952 // refresh related state
954 // cl_entitites[0].model
955 struct model_s *worldmodel;
961 int cdtrack, looptrack;
966 scoreboard_t *scores;
968 // keep track of svc_print parsing state (analyzes ping reports and status reports)
969 cl_parsingtextmode_t parsingtextmode;
970 int parsingtextplayerindex;
971 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
972 // (which could eat the wrong ping report if the player issues one
973 // manually, but they would still see a ping report, just a later one
974 // caused by the scoreboard code rather than the one they intentionally
976 int parsingtextexpectingpingforscores;
978 // entity database stuff
979 // latest received entity frame numbers
980 #define LATESTFRAMENUMS 3
981 int latestframenums[LATESTFRAMENUMS];
982 entityframe_database_t *entitydatabase;
983 entityframe4_database_t *entitydatabase4;
984 entityframeqw_database_t *entitydatabaseqw;
986 // keep track of quake entities because they need to be killed if they get stale
988 unsigned char isquakeentity[MAX_EDICTS];
990 // bounding boxes for clientside movement
991 vec3_t playerstandmins;
992 vec3_t playerstandmaxs;
993 vec3_t playercrouchmins;
994 vec3_t playercrouchmaxs;
997 int max_static_entities;
1002 int max_brushmodel_entities;
1008 unsigned char *entities_active;
1009 entity_t *static_entities;
1010 cl_effect_t *effects;
1013 lightstyle_t *lightstyle;
1014 int *brushmodel_entities;
1015 particle_t *particles;
1017 showlmp_t *showlmps;
1020 int num_static_entities;
1021 int num_brushmodel_entities;
1029 double particles_updatetime;
1030 double decals_updatetime;
1034 // cl_serverextension_download feature
1035 int loadmodel_current;
1036 int downloadmodel_current;
1037 int loadmodel_total;
1038 int loadsound_current;
1039 int downloadsound_current;
1040 int loadsound_total;
1041 qboolean downloadcsqc;
1044 qboolean loadfinished;
1048 // local copy of the server infostring
1049 char qw_serverinfo[MAX_SERVERINFO_STRING];
1051 // time of last qw "pings" command sent to server while showing scores
1052 double last_ping_request;
1054 // used during connect
1057 // updated from serverinfo
1060 // unused: indicates whether the player is spectating
1061 // use cl.scores[cl.playerentity-1].qw_spectator instead
1062 //qboolean qw_spectator;
1064 // last time an input packet was sent
1065 double lastpackettime;
1067 // movement parameters for client prediction
1068 unsigned int moveflags;
1069 float movevars_wallfriction;
1070 float movevars_waterfriction;
1071 float movevars_friction;
1072 float movevars_timescale;
1073 float movevars_gravity;
1074 float movevars_stopspeed;
1075 float movevars_maxspeed;
1076 float movevars_spectatormaxspeed;
1077 float movevars_accelerate;
1078 float movevars_airaccelerate;
1079 float movevars_wateraccelerate;
1080 float movevars_entgravity;
1081 float movevars_jumpvelocity;
1082 float movevars_edgefriction;
1083 float movevars_maxairspeed;
1084 float movevars_stepheight;
1085 float movevars_airaccel_qw;
1086 float movevars_airaccel_sideways_friction;
1087 float movevars_airstopaccelerate;
1088 float movevars_airstrafeaccelerate;
1089 float movevars_maxairstrafespeed;
1090 float movevars_aircontrol;
1091 float movevars_warsowbunny_airforwardaccel;
1092 float movevars_warsowbunny_accel;
1093 float movevars_warsowbunny_topspeed;
1094 float movevars_warsowbunny_turnaccel;
1095 float movevars_warsowbunny_backtosideratio;
1096 float movevars_ticrate;
1098 // models used by qw protocol
1099 int qw_modelindex_spike;
1100 int qw_modelindex_player;
1101 int qw_modelindex_flag;
1102 int qw_modelindex_s_explod;
1104 vec3_t qw_intermission_origin;
1105 vec3_t qw_intermission_angles;
1107 // 255 is the most nails the QW protocol could send
1109 vec_t qw_nails[255][6];
1111 float qw_weaponkick;
1113 int qw_validsequence;
1115 int qw_deltasequence[QW_UPDATE_BACKUP];
1118 // server entity number corresponding to a clientside entity
1119 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1120 qboolean csqc_loaded;
1123 qboolean csqc_usecsqclistener;
1124 matrix4x4_t csqc_listenermatrix;
1125 char csqc_printtextbuf[MAX_INPUTLINE];
1127 // collision culling data
1130 // loc file stuff (points and boxes describing locations in the level)
1131 cl_locnode_t *locnodes;
1132 // this is updated to cl.movement_origin whenever health is < 1
1133 // used by %d print in say/say_team messages if cl_locs_enable is on
1134 vec3_t lastdeathorigin;
1136 // processing buffer used by R_BuildLightMap, reallocated as needed,
1137 // freed on each level change
1138 size_t buildlightmapmemorysize;
1139 unsigned char *buildlightmapmemory;
1146 extern cvar_t cl_name;
1147 extern cvar_t cl_color;
1148 extern cvar_t cl_rate;
1149 extern cvar_t cl_pmodel;
1150 extern cvar_t cl_playermodel;
1151 extern cvar_t cl_playerskin;
1153 extern cvar_t rcon_password;
1154 extern cvar_t rcon_address;
1156 extern cvar_t cl_upspeed;
1157 extern cvar_t cl_forwardspeed;
1158 extern cvar_t cl_backspeed;
1159 extern cvar_t cl_sidespeed;
1161 extern cvar_t cl_movespeedkey;
1163 extern cvar_t cl_yawspeed;
1164 extern cvar_t cl_pitchspeed;
1166 extern cvar_t cl_anglespeedkey;
1168 extern cvar_t cl_autofire;
1170 extern cvar_t cl_shownet;
1171 extern cvar_t cl_nolerp;
1172 extern cvar_t cl_nettimesyncfactor;
1173 extern cvar_t cl_nettimesyncboundmode;
1174 extern cvar_t cl_nettimesyncboundtolerance;
1176 extern cvar_t cl_pitchdriftspeed;
1177 extern cvar_t lookspring;
1178 extern cvar_t lookstrafe;
1179 extern cvar_t sensitivity;
1181 extern cvar_t freelook;
1183 extern cvar_t m_pitch;
1184 extern cvar_t m_yaw;
1185 extern cvar_t m_forward;
1186 extern cvar_t m_side;
1188 extern cvar_t cl_autodemo;
1189 extern cvar_t cl_autodemo_nameformat;
1191 extern cvar_t r_draweffects;
1193 extern cvar_t cl_explosions_alpha_start;
1194 extern cvar_t cl_explosions_alpha_end;
1195 extern cvar_t cl_explosions_size_start;
1196 extern cvar_t cl_explosions_size_end;
1197 extern cvar_t cl_explosions_lifetime;
1198 extern cvar_t cl_stainmaps;
1199 extern cvar_t cl_stainmaps_clearonload;
1201 extern cvar_t cl_prydoncursor;
1203 extern cvar_t cl_locs_enable;
1205 extern client_state_t cl;
1207 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);
1209 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1210 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1212 //=============================================================================
1218 void CL_Shutdown (void);
1219 void CL_Init (void);
1221 void CL_EstablishConnection(const char *host);
1223 void CL_Disconnect (void);
1224 void CL_Disconnect_f (void);
1226 void CL_UpdateRenderEntity(entity_render_t *ent);
1227 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1228 void CL_UpdateViewEntities(void);
1233 typedef struct kbutton_s
1235 int down[2]; // key nums holding it down
1236 int state; // low bit is down state
1240 extern kbutton_t in_mlook, in_klook;
1241 extern kbutton_t in_strafe;
1242 extern kbutton_t in_speed;
1244 void CL_InitInput (void);
1245 void CL_SendMove (void);
1247 void CL_ValidateState(entity_state_t *s);
1248 void CL_MoveLerpEntityStates(entity_t *ent);
1249 void CL_LerpUpdate(entity_t *e);
1250 void CL_ParseTEnt (void);
1251 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1252 void CL_RelinkBeams (void);
1253 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1254 void CL_ClientMovement_Replay(void);
1256 void CL_ClearTempEntities (void);
1257 entity_render_t *CL_NewTempEntity (double shadertime);
1259 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1261 void CL_ClearState (void);
1262 void CL_ExpandEntities(int num);
1263 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1266 void CL_UpdateWorld (void);
1267 void CL_WriteToServer (void);
1268 void CL_Input (void);
1269 extern int cl_ignoremousemoves;
1272 float CL_KeyState (kbutton_t *key);
1273 const char *Key_KeynumToString (int keynum);
1274 int Key_StringToKeynum (const char *str);
1279 void CL_StopPlayback(void);
1280 void CL_ReadDemoMessage(void);
1281 void CL_WriteDemoMessage(sizebuf_t *mesage);
1283 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1284 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1286 void CL_NextDemo(void);
1287 void CL_Stop_f(void);
1288 void CL_Record_f(void);
1289 void CL_PlayDemo_f(void);
1290 void CL_TimeDemo_f(void);
1295 void CL_Parse_Init(void);
1296 void CL_Parse_Shutdown(void);
1297 void CL_ParseServerMessage(void);
1298 void CL_Parse_DumpPacket(void);
1299 void CL_Parse_ErrorCleanUp(void);
1300 void QW_CL_StartUpload(unsigned char *data, int size);
1301 extern cvar_t qport;
1302 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1307 void V_StartPitchDrift (void);
1308 void V_StopPitchDrift (void);
1311 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1312 void V_UpdateBlends (void);
1313 void V_ParseDamage (void);
1319 extern cvar_t cl_particles;
1320 extern cvar_t cl_particles_quality;
1321 extern cvar_t cl_particles_size;
1322 extern cvar_t cl_particles_quake;
1323 extern cvar_t cl_particles_blood;
1324 extern cvar_t cl_particles_blood_alpha;
1325 extern cvar_t cl_particles_blood_bloodhack;
1326 extern cvar_t cl_particles_bulletimpacts;
1327 extern cvar_t cl_particles_explosions_sparks;
1328 extern cvar_t cl_particles_explosions_shell;
1329 extern cvar_t cl_particles_rain;
1330 extern cvar_t cl_particles_snow;
1331 extern cvar_t cl_particles_smoke;
1332 extern cvar_t cl_particles_smoke_alpha;
1333 extern cvar_t cl_particles_smoke_alphafade;
1334 extern cvar_t cl_particles_sparks;
1335 extern cvar_t cl_particles_bubbles;
1336 extern cvar_t cl_decals;
1337 extern cvar_t cl_decals_time;
1338 extern cvar_t cl_decals_fadetime;
1340 void CL_Particles_Clear(void);
1341 void CL_Particles_Init(void);
1342 void CL_Particles_Shutdown(void);
1344 typedef enum effectnameindex_s
1348 EFFECT_TE_GUNSHOTQUAD,
1350 EFFECT_TE_SPIKEQUAD,
1351 EFFECT_TE_SUPERSPIKE,
1352 EFFECT_TE_SUPERSPIKEQUAD,
1354 EFFECT_TE_KNIGHTSPIKE,
1355 EFFECT_TE_EXPLOSION,
1356 EFFECT_TE_EXPLOSIONQUAD,
1357 EFFECT_TE_TAREXPLOSION,
1359 EFFECT_TE_LAVASPLASH,
1360 EFFECT_TE_SMALLFLASH,
1365 EFFECT_TE_PLASMABURN,
1367 EFFECT_TE_TEI_SMOKE,
1368 EFFECT_TE_TEI_BIGEXPLOSION,
1369 EFFECT_TE_TEI_PLASMAHIT,
1375 EFFECT_TR_SLIGHTBLOOD,
1376 EFFECT_TR_KNIGHTSPIKE,
1377 EFFECT_TR_VORESPIKE,
1378 EFFECT_TR_NEHAHRASMOKE,
1379 EFFECT_TR_NEXUIZPLASMA,
1380 EFFECT_TR_GLOWTRAIL,
1381 EFFECT_SVC_PARTICLE,
1386 int CL_ParticleEffectIndexForName(const char *name);
1387 const char *CL_ParticleEffectNameForIndex(int i);
1388 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);
1389 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);
1390 void CL_ParseParticleEffect (void);
1391 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);
1392 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1393 void CL_EntityParticles (const entity_t *ent);
1394 void CL_ParticleExplosion (const vec3_t org);
1395 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1396 void R_NewExplosion(const vec3_t org);
1398 void Debug_PolygonBegin(const char *picname, int flags);
1399 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1400 void Debug_PolygonEnd(void);
1402 #include "cl_screen.h"
1404 extern qboolean sb_showscores;
1406 float FogPoint_World(const vec3_t p);
1407 float FogPoint_Model(const vec3_t p);
1408 float FogForDistance(vec_t dist);
1410 typedef struct r_refdef_stats_s
1414 int entities_surfaces;
1415 int entities_triangles;
1419 int world_triangles;
1420 int lightmapupdates;
1421 int lightmapupdatepixels;
1425 int meshes_elements;
1428 int lights_scissored;
1429 int lights_lighttriangles;
1430 int lights_shadowtriangles;
1431 int lights_dynamicshadowtriangles;
1433 int bloom_copypixels;
1434 int bloom_drawpixels;
1438 typedef enum r_viewport_type_e
1440 R_VIEWPORTTYPE_ORTHO,
1441 R_VIEWPORTTYPE_PERSPECTIVE,
1442 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1443 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1444 R_VIEWPORTTYPE_TOTAL
1448 typedef struct r_viewport_s
1451 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1452 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1453 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1460 r_viewport_type_t type;
1464 typedef struct r_refdef_view_s
1466 // view information (changes multiple times per frame)
1467 // if any of these variables change then r_refdef.viewcache must be regenerated
1468 // by calling R_View_Update
1469 // (which also updates viewport, scissor, colormask)
1471 // it is safe and expected to copy this into a structure on the stack and
1472 // call the renderer recursively, then restore from the stack afterward
1473 // (as long as R_View_Update is called)
1475 // eye position information
1476 matrix4x4_t matrix, inverse_matrix;
1482 int numfrustumplanes;
1483 mplane_t frustum[6];
1484 qboolean useclipplane;
1485 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1487 float frustum_x, frustum_y;
1488 vec3_t frustumcorner[4];
1489 // if turned off it renders an ortho view
1491 float ortho_x, ortho_y;
1493 // screen area to render in
1500 r_viewport_t viewport;
1502 // which color components to allow (for anaglyph glasses)
1505 // global RGB color multiplier for rendering, this is required by HDR
1508 // whether to call R_ClearScreen before rendering stuff
1510 // if true, don't clear or do any post process effects (bloom, etc)
1513 // whether to draw r_showtris and such, this is only true for the main
1514 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1515 // distortion effects, etc) omit such debugging information
1518 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1522 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1527 typedef struct r_refdef_viewcache_s
1529 // these properties are generated by R_View_Update()
1531 // which entities are currently visible for this viewpoint
1532 // (the used range is 0...r_refdef.scene.numentities)
1533 unsigned char entityvisible[MAX_EDICTS];
1534 // flag arrays used for visibility checking on world model
1535 // (all other entities have no per-surface/per-leaf visibility checks)
1536 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1537 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1538 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1539 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1540 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1541 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1542 // if true, the view is currently in a leaf without pvs data
1543 qboolean world_novis;
1545 r_refdef_viewcache_t;
1547 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1548 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1549 typedef struct r_refdef_scene_s {
1550 // whether to call S_ExtraUpdate during render to reduce sound chop
1551 qboolean extraupdate;
1553 // (client gameworld) time for rendering time based effects
1557 entity_render_t *worldentity;
1559 // same as worldentity->model
1560 dp_model_t *worldmodel;
1562 // renderable entities (excluding world)
1563 entity_render_t **entities;
1567 // field of temporary entities that is reset each (client) frame
1568 entity_render_t *tempentities;
1569 int numtempentities;
1570 int maxtempentities;
1572 // renderable dynamic lights
1573 rtlight_t *lights[MAX_DLIGHTS];
1574 rtlight_t templights[MAX_DLIGHTS];
1577 // intensities for light styles right now, controls rtlights
1578 float rtlightstylevalue[256]; // float fraction of base light value
1579 // 8.8bit fixed point intensities for light styles
1580 // controls intensity lightmap layers
1581 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1586 qboolean rtworldshadows;
1588 qboolean rtdlightshadows;
1591 typedef struct r_refdef_s
1593 // these fields define the basic rendering information for the world
1594 // but not the view, which could change multiple times in one rendered
1595 // frame (for example when rendering textures for certain effects)
1597 // these are set for water warping before
1598 // frustum_x/frustum_y are calculated
1599 float frustumscale_x, frustumscale_y;
1601 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1602 r_refdef_view_t view;
1603 r_refdef_viewcache_t viewcache;
1605 // minimum visible distance (pixels closer than this disappear)
1607 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1608 // in 32bpp an infinite-farclip matrix is used instead)
1611 // fullscreen color blend
1614 r_refdef_scene_t scene;
1618 vec_t fograngerecip;
1619 vec_t fogmasktabledistmultiplier;
1620 #define FOGMASKTABLEWIDTH 1024
1621 float fogmasktable[FOGMASKTABLEWIDTH];
1622 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1630 qboolean fogenabled;
1631 qboolean oldgl_fogenable;
1633 qboolean draw2dstage;
1635 // true during envmap command capture
1638 // brightness of world lightmaps and related lighting
1639 // (often reduced when world rtlights are enabled)
1640 float lightmapintensity;
1641 // whether to draw world lights realtime, dlights realtime, and their shadows
1642 float polygonfactor;
1643 float polygonoffset;
1644 float shadowpolygonfactor;
1645 float shadowpolygonoffset;
1647 // rendering stats for r_speeds display
1648 // (these are incremented in many places)
1649 r_refdef_stats_t stats;
1653 extern r_refdef_t r_refdef;