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 // flags for rtlight rendering
29 #define LIGHTFLAG_NORMALMODE 1
30 #define LIGHTFLAG_REALTIMEMODE 2
32 typedef struct tridecal_s
34 // color and initial alpha value
35 float texcoord2f[3][2];
37 unsigned char color4ub[3][4];
38 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
40 // if >= 0 this indicates the decal should follow an animated triangle
42 // for visibility culling
44 // old decals are killed to obey cl_decals_max
49 typedef struct decalsystem_s
52 double lastupdatetime;
61 unsigned short *element3s;
65 typedef struct effect_s
74 // these are for interpolation
84 // draw this as lightning polygons, or a model?
86 struct model_s *model;
92 typedef struct rtlight_s
94 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
96 // note that the world to light matrices are inversely scaled (divided) by lightradius
99 /// matrix for transforming light filter coordinates to world coordinates
100 matrix4x4_t matrix_lighttoworld;
101 /// matrix for transforming world coordinates to light filter coordinates
102 matrix4x4_t matrix_worldtolight;
103 /// typically 1 1 1, can be lower (dim) or higher (overbright)
105 /// size of the light (remove?)
108 char cubemapname[64];
109 /// light style to monitor for brightness
111 /// whether light should render shadows
113 /// intensity of corona to render
115 /// radius scale of corona to render (1.0 means same as light radius)
116 vec_t coronasizescale;
117 /// ambient intensity to render
119 /// diffuse intensity to render
121 /// specular intensity to render
123 /// LIGHTFLAG_* flags
126 // generated properties
127 /// used only for shadow volumes
134 // squared cullradius
137 // rendering properties, updated each time a light is rendered
138 // this is rtlight->color * d_lightstylevalue
140 /// used by corona updates, due to occlusion query
141 float corona_visibility;
142 unsigned int corona_queryindex_visiblepixels;
143 unsigned int corona_queryindex_allpixels;
144 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
145 rtexture_t *currentcubemap;
147 /// static light info
148 /// true if this light should be compiled as a static light
150 /// true if this is a compiled world light, cleared if the light changes
152 /// the shadowing mode used to compile this light
154 /// premade shadow volumes to render for world entity
155 shadowmesh_t *static_meshchain_shadow_zpass;
156 shadowmesh_t *static_meshchain_shadow_zfail;
157 shadowmesh_t *static_meshchain_shadow_shadowmap;
158 /// used for visibility testing (more exact than bbox)
160 int static_numleafpvsbytes;
161 int *static_leaflist;
162 unsigned char *static_leafpvs;
163 /// surfaces seen by light
164 int static_numsurfaces;
165 int *static_surfacelist;
166 /// flag bits indicating which triangles of the world model should cast
167 /// shadows, and which ones should be lit
169 /// this avoids redundantly scanning the triangles in each surface twice
170 /// for whether they should cast shadows, once in culling and once in the
171 /// actual shadowmarklist production.
172 int static_numshadowtrispvsbytes;
173 unsigned char *static_shadowtrispvs;
174 /// this allows the lighting batch code to skip backfaces andother culled
175 /// triangles not relevant for lighting
176 /// (important on big surfaces such as terrain)
177 int static_numlighttrispvsbytes;
178 unsigned char *static_lighttrispvs;
179 /// masks of all shadowmap sides that have any potential static receivers or casters
180 int static_shadowmap_receivers;
181 int static_shadowmap_casters;
185 typedef struct dlight_s
187 // destroy light after this time
190 // the entity that owns this light (can be NULL)
192 struct entity_render_s *ent;
194 // (worldlight: saved to .rtlights file)
196 // worldlight orientation
198 // (worldlight: saved to .rtlights file)
200 // dlight orientation/scaling/location
204 // (worldlight: saved to .rtlights file)
206 // cubemap name to use on this light
207 // (worldlight: saved to .rtlights file)
208 char cubemapname[64];
209 // make light flash while selected
212 // brightness (not really radius anymore)
213 // (worldlight: saved to .rtlights file)
215 // drop intensity this much each second
218 // intensity value which is dropped over time
221 // initial values for intensity to modify
225 // light style which controls intensity of this light
226 // (worldlight: saved to .rtlights file)
229 // (worldlight: saved to .rtlights file)
232 // (worldlight: saved to .rtlights file)
234 // radius scale of corona to render (1.0 means same as light radius)
235 // (worldlight: saved to .rtlights file)
236 vec_t coronasizescale;
237 // ambient intensity to render
238 // (worldlight: saved to .rtlights file)
240 // diffuse intensity to render
241 // (worldlight: saved to .rtlights file)
243 // specular intensity to render
244 // (worldlight: saved to .rtlights file)
247 // (worldlight: saved to .rtlights file)
249 // linked list of world lights
251 struct dlight_s *next;
252 // embedded rtlight struct for renderer
258 #define MAX_FRAMEGROUPBLENDS 4
259 typedef struct framegroupblend_s
261 // animation number and blend factor
262 // (for most models this is the frame number)
265 // time frame began playing (for framegroup animations)
270 // this is derived from processing of the framegroupblend array
271 // note: technically each framegroupblend can produce two of these, but that
272 // never happens in practice because no one blends between more than 2
273 // framegroups at once
274 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
275 typedef struct frameblend_s
282 // LordHavoc: this struct is intended for the renderer but some fields are
283 // used by the client.
285 // The renderer should not rely on any changes to this struct to be persistent
286 // across multiple frames because temp entities are wiped every frame, but it
287 // is acceptable to cache things in this struct that are not critical.
289 // For example the r_cullentities_trace code does such caching.
290 typedef struct entity_render_s
296 // transform matrix for model to world
298 // transform matrix for world to model
299 matrix4x4_t inversematrix;
300 // opacity (alpha) of the model
302 // size the model is shown
304 // transparent sorting offset
305 float transparent_offset;
309 // number of the entity represents, or 0 for non-network entities
311 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
312 vec3_t colormap_pantscolor;
313 vec3_t colormap_shirtcolor;
314 // light, particles, etc
316 // qw CTF flags and other internal-use-only effect bits
323 // colormod tinting of models
327 // interpolated animation - active framegroups and blend factors
328 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
330 // time of last model change (for shader animations)
333 // calculated by the renderer (but not persistent)
335 // calculated during R_AddModelEntities
337 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
338 frameblend_t frameblend[MAX_FRAMEBLENDS];
340 // animation cache index
343 // current lighting from map (updated ONLY by client code, not renderer)
344 vec3_t modellight_ambient;
345 vec3_t modellight_diffuse; // q3bsp
346 vec3_t modellight_lightdir; // q3bsp
348 // storage of decals on this entity
349 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
351 decalsystem_t decalsystem;
353 // FIELDS UPDATED BY RENDERER:
354 // last time visible during trace culling
355 double last_trace_visibility;
359 typedef struct entity_persistent_s
365 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
367 // muzzleflash fading
370 // interpolated movement
372 // start time of move
374 // time difference from start to end of move
376 // the move itself, start and end
384 typedef struct entity_s
386 // baseline state (default values)
387 entity_state_t state_baseline;
388 // previous state (interpolating from this)
389 entity_state_t state_previous;
390 // current state (interpolating to this)
391 entity_state_t state_current;
393 // used for regenerating parts of render
394 entity_persistent_t persistent;
396 // the only data the renderer should know about
397 entity_render_t render;
401 typedef struct usercmd_s
405 // intended velocities
410 vec3_t cursor_screen;
413 vec3_t cursor_impact;
414 vec3_t cursor_normal;
415 vec_t cursor_fraction;
416 int cursor_entitynumber;
418 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
419 double receivetime; // time the move was received at
420 double clienttime; // time to which server state the move corresponds to
421 int msec; // for predicted moves
425 qboolean applied; // if false we're still accumulating a move
426 qboolean predicted; // if true the sequence should be sent as 0
428 // derived properties
435 typedef struct lightstyle_s
438 char map[MAX_STYLESTRING];
441 typedef struct scoreboard_s
443 char name[MAX_SCOREBOARDNAME];
445 int colors; // two 4 bit fields
448 char qw_userinfo[MAX_USERINFO_STRING];
454 char qw_skin[MAX_QPATH];
457 typedef struct cshift_s
460 float percent; // 0-255
461 float alphafade; // (any speed)
464 #define CSHIFT_CONTENTS 0
465 #define CSHIFT_DAMAGE 1
466 #define CSHIFT_BONUS 2
467 #define CSHIFT_POWERUP 3
468 #define CSHIFT_VCSHIFT 4
469 #define NUM_CSHIFTS 5
471 #define NAME_LENGTH 64
475 // client_state_t should hold all pieces of the client state
478 #define SIGNONS 4 // signon messages to receive before connected
480 typedef enum cactive_e
482 ca_uninitialized, // during early startup
483 ca_dedicated, // a dedicated server with no ability to start a client
484 ca_disconnected, // full screen console with no connection
485 ca_connected // valid netcon, talking to a server
489 typedef enum qw_downloadtype_e
499 typedef enum capturevideoformat_e
501 CAPTUREVIDEOFORMAT_AVI_I420,
502 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
504 capturevideoformat_t;
506 typedef struct capturevideostate_s
508 double startrealtime;
521 int soundsampleframe;
522 unsigned char *screenbuffer;
523 unsigned char *outbuffer;
524 char basename[MAX_QPATH];
527 // precomputed RGB to YUV tables
528 // converts the RGB values to YUV (see cap_avi.c for how to use them)
529 short rgbtoyuvscaletable[3][3][256];
530 unsigned char yuvnormalizetable[3][256];
532 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
533 // 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
534 unsigned short vidramp[256 * 3];
536 // stuff to be filled in by the video format module
537 capturevideoformat_t format;
538 const char *formatextension;
541 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
542 void (*endvideo) (void);
543 void (*videoframes) (int num);
544 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
546 // format specific data
547 void *formatspecific;
551 #define CL_MAX_DOWNLOADACKS 4
553 typedef struct cl_downloadack_s
559 typedef struct cl_soundstats_s
563 int latency_milliseconds;
568 // the client_static_t structure is persistent through an arbitrary number
569 // of server connections
571 typedef struct client_static_s
575 // all client memory allocations go in these pools
576 mempool_t *levelmempool;
577 mempool_t *permanentmempool;
580 // -1 = don't play demos
582 // list of demos in loop
583 char demos[MAX_DEMOS][MAX_DEMONAME];
584 // the actively playing demo (set by CL_PlayDemo_f)
585 char demoname[MAX_QPATH];
587 // demo recording info must be here, because record is started before
588 // entering a map (and clearing client_state_t)
589 qboolean demorecording;
590 fs_offset_t demo_lastcsprogssize;
591 int demo_lastcsprogscrc;
592 qboolean demoplayback;
594 // -1 = use normal cd track
597 // realtime at second frame of timedemo (LordHavoc: changed to double)
599 int td_frames; // total frames parsed
600 double td_onesecondnexttime;
601 double td_onesecondframes;
602 double td_onesecondrealtime;
603 double td_onesecondminfps;
604 double td_onesecondmaxfps;
605 double td_onesecondavgfps;
606 int td_onesecondavgcount;
607 // LordHavoc: pausedemo
610 // sound mixer statistics for showsound display
611 cl_soundstats_t soundstats;
613 qboolean connect_trying;
614 int connect_remainingtries;
615 double connect_nextsendtime;
616 lhnetsocket_t *connect_mysocket;
617 lhnetaddress_t connect_address;
618 // protocol version of the server we're connected to
619 // (kept outside client_state_t because it's used between levels)
620 protocolversion_t protocol;
624 lhnetaddress_t rcon_addresses[MAX_RCONS];
625 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
626 double rcon_timeout[MAX_RCONS];
629 // connection information
632 // network connection
635 // download information
636 // (note: qw_download variables are also used)
637 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
639 // input sequence numbers are not reset on level change, only connect
641 int servermovesequence;
643 // quakeworld stuff below
645 // value of "qport" cvar at time of connection
647 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
648 int qw_incoming_sequence;
649 int qw_outgoing_sequence;
651 // current file download buffer (only saved when file is completed)
652 char qw_downloadname[MAX_QPATH];
653 unsigned char *qw_downloadmemory;
654 int qw_downloadmemorycursize;
655 int qw_downloadmemorymaxsize;
656 int qw_downloadnumber;
657 int qw_downloadpercent;
658 qw_downloadtype_t qw_downloadtype;
659 // transfer rate display
660 double qw_downloadspeedtime;
661 int qw_downloadspeedcount;
662 int qw_downloadspeedrate;
663 qboolean qw_download_deflate;
665 // current file upload buffer (for uploading screenshots to server)
666 unsigned char *qw_uploaddata;
671 // this normally contains the following keys in quakeworld:
672 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
673 char userinfo[MAX_USERINFO_STRING];
675 // video capture stuff
676 capturevideostate_t capturevideo;
680 extern client_static_t cls;
682 typedef struct client_movementqueue_s
693 client_movementqueue_t;
699 qboolean drawenginesbar;
700 qboolean drawcrosshair;
705 PARTICLE_BILLBOARD = 0,
707 PARTICLE_ORIENTED_DOUBLESIDED = 2,
710 PARTICLE_INVALID = -1
723 typedef struct particletype_s
726 porientation_t orientation;
733 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
737 typedef struct decal_s
739 // fields used by rendering: (44 bytes)
740 unsigned short typeindex;
741 unsigned short texnum;
746 float alpha; // 0-255
747 unsigned char color[3];
748 unsigned char unused1;
749 int clusterindex; // cheap culling by pvs
751 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
752 float time2; // used for decal fade
753 unsigned int owner; // decal stuck to this entity
754 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
755 vec3_t relativeorigin; // decal at this location in entity's coordinate space
756 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
760 typedef struct particle_s
762 // fields used by rendering: (40 bytes)
763 unsigned char typeindex;
765 porientation_t orientation;
766 unsigned char texnum;
768 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
770 float alpha; // 0-255
771 unsigned char color[3];
772 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
773 float stretch; // only for sparks
775 signed char staintexnum;
776 float stainsizefactor;
778 // fields not used by rendering: (40 bytes)
779 float sizeincrease; // rate of size change per second
780 float alphafade; // how much alpha reduces per second
781 float time2; // used for snow fluttering and decal fade
782 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)
783 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
784 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
785 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
786 float delayedcollisions; // time that p->bounce becomes active
787 float delayedspawn; // time that particle appears and begins moving
788 float die; // time when this particle should be removed, regardless of alpha
792 typedef enum cl_parsingtextmode_e
794 CL_PARSETEXTMODE_NONE,
795 CL_PARSETEXTMODE_PING,
796 CL_PARSETEXTMODE_STATUS,
797 CL_PARSETEXTMODE_STATUS_PLAYERID,
798 CL_PARSETEXTMODE_STATUS_PLAYERIP
800 cl_parsingtextmode_t;
802 typedef struct cl_locnode_s
804 struct cl_locnode_s *next;
810 typedef struct showlmp_s
821 // the client_state_t structure is wiped completely at every
824 typedef struct client_state_s
826 // true if playing in a local game and no one else is connected
829 // send a clc_nop periodically until connected
832 // current input being accumulated by mouse/joystick/etc input
834 // latest moves sent to the server that have not been confirmed yet
835 usercmd_t movecmd[CL_MAX_USERCMDS];
837 // information for local display
839 int stats[MAX_CL_STATS];
840 float *statsf; // points to stats[] array
841 // last known inventory bit flags, for blinking
843 // cl.time of acquiring item, for blinking
844 float item_gettime[32];
845 // last known STAT_ACTIVEWEAPON
847 // cl.time of changing STAT_ACTIVEWEAPON
849 // use pain anim frame if cl.time < this
851 // for stair smoothing
853 double stairsmoothtime;
855 // color shifts for damage, powerups
856 cshift_t cshifts[NUM_CSHIFTS];
858 cshift_t prev_cshifts[NUM_CSHIFTS];
860 // the client maintains its own idea of view angles, which are
861 // sent to the server each frame. The server sets punchangle when
862 // the view is temporarily offset, and an angle reset commands at the start
863 // of each level and after teleporting.
865 // mviewangles is read from demo
866 // viewangles is either client controlled or lerped from mviewangles
867 vec3_t mviewangles[2], viewangles;
868 // update by server, used by qc to do weapon recoil
869 vec3_t mpunchangle[2], punchangle;
870 // update by server, can be used by mods to kick view around
871 vec3_t mpunchvector[2], punchvector;
872 // update by server, used for lean+bob (0 is newest)
873 vec3_t mvelocity[2], velocity;
874 // update by server, can be used by mods for zooming
875 vec_t mviewzoom[2], viewzoom;
876 // if true interpolation the mviewangles and other interpolation of the
877 // player is disabled until the next network packet
878 // this is used primarily by teleporters, and when spectating players
879 // special checking of the old fixangle[1] is used to differentiate
880 // between teleporting and spectating
881 qboolean fixangle[2];
883 // client movement simulation
884 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
885 // set by CL_ClientMovement_Replay functions
886 qboolean movement_predicted;
887 // if true the CL_ClientMovement_Replay function will update origin, etc
888 qboolean movement_replay;
889 // simulated data (this is valid even if cl.movement is false)
890 vec3_t movement_origin;
891 vec3_t movement_velocity;
892 // whether the replay should allow a jump at the first sequence
893 qboolean movement_replay_canjump;
895 // pitch drifting vars
902 //[515]: added for csqc purposes
903 float sensitivityscale;
904 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
905 qboolean csqc_wantsmousemove;
906 struct model_s *csqc_model_precache[MAX_MODELS];
908 // local amount for smoothing stepups
917 qboolean oldonground;
918 double lastongroundtime;
919 double hitgroundtime;
921 // don't change view angle, full screen, etc
923 // latched at intermission start
924 double completed_time;
926 // the timestamp of the last two messages
929 // clients view of time, time should be between mtime[0] and mtime[1] to
930 // generate a lerp point for other data, oldtime is the previous frame's
931 // value of time, frametime is the difference between time and oldtime
932 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
933 // is only forcefully limited when a packet is received
934 double time, oldtime;
935 // how long it has been since the previous client frame in real time
936 // (not game time, for that use cl.time - cl.oldtime)
937 double realframetime;
939 // fade var for fading while dead
942 // motionblur alpha level variable
943 float motionbluralpha;
945 // copy of realtime from last recieved message, for net trouble icon
946 float last_received_message;
948 // information that is static for the entire time connected to a server
949 struct model_s *model_precache[MAX_MODELS];
950 struct sfx_s *sound_precache[MAX_SOUNDS];
952 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
953 char model_name[MAX_MODELS][MAX_QPATH];
954 char sound_name[MAX_SOUNDS][MAX_QPATH];
956 // for display on solo scoreboard
958 // cl_entitites[cl.viewentity] = player
960 // the real player entity (normally same as viewentity,
961 // different than viewentity if mod uses chasecam or other tricks)
962 int realplayerentity;
963 // this is updated to match cl.viewentity whenever it is in the clients
964 // range, basically this is used in preference to cl.realplayerentity for
965 // most purposes because when spectating another player it should show
966 // their information rather than yours
968 // max players that can be in this game
970 // type of game (deathmatch, coop, singleplayer)
973 // models and sounds used by engine code (particularly cl_parse.c)
974 dp_model_t *model_bolt;
975 dp_model_t *model_bolt2;
976 dp_model_t *model_bolt3;
977 dp_model_t *model_beam;
979 sfx_t *sfx_knighthit;
985 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
986 qboolean foundtalk2wav;
988 // refresh related state
990 // cl_entitites[0].model
991 struct model_s *worldmodel;
997 int cdtrack, looptrack;
1002 scoreboard_t *scores;
1004 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1005 cl_parsingtextmode_t parsingtextmode;
1006 int parsingtextplayerindex;
1007 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1008 // (which could eat the wrong ping report if the player issues one
1009 // manually, but they would still see a ping report, just a later one
1010 // caused by the scoreboard code rather than the one they intentionally
1012 int parsingtextexpectingpingforscores;
1014 // entity database stuff
1015 // latest received entity frame numbers
1016 #define LATESTFRAMENUMS 3
1017 int latestframenums[LATESTFRAMENUMS];
1018 entityframe_database_t *entitydatabase;
1019 entityframe4_database_t *entitydatabase4;
1020 entityframeqw_database_t *entitydatabaseqw;
1022 // keep track of quake entities because they need to be killed if they get stale
1023 int lastquakeentity;
1024 unsigned char isquakeentity[MAX_EDICTS];
1026 // bounding boxes for clientside movement
1027 vec3_t playerstandmins;
1028 vec3_t playerstandmaxs;
1029 vec3_t playercrouchmins;
1030 vec3_t playercrouchmaxs;
1032 // old decals are killed based on this
1036 int max_csqcrenderentities;
1037 int max_static_entities;
1042 int max_brushmodel_entities;
1048 entity_render_t *csqcrenderentities;
1049 unsigned char *entities_active;
1050 entity_t *static_entities;
1051 cl_effect_t *effects;
1054 lightstyle_t *lightstyle;
1055 int *brushmodel_entities;
1056 particle_t *particles;
1058 showlmp_t *showlmps;
1061 int num_static_entities;
1062 int num_brushmodel_entities;
1070 double particles_updatetime;
1071 double decals_updatetime;
1075 // cl_serverextension_download feature
1076 int loadmodel_current;
1077 int downloadmodel_current;
1078 int loadmodel_total;
1079 int loadsound_current;
1080 int downloadsound_current;
1081 int loadsound_total;
1082 qboolean downloadcsqc;
1085 qboolean loadfinished;
1089 // local copy of the server infostring
1090 char qw_serverinfo[MAX_SERVERINFO_STRING];
1092 // time of last qw "pings" command sent to server while showing scores
1093 double last_ping_request;
1095 // used during connect
1098 // updated from serverinfo
1101 // unused: indicates whether the player is spectating
1102 // use cl.scores[cl.playerentity-1].qw_spectator instead
1103 //qboolean qw_spectator;
1105 // last time an input packet was sent
1106 double lastpackettime;
1108 // movement parameters for client prediction
1109 unsigned int moveflags;
1110 float movevars_wallfriction;
1111 float movevars_waterfriction;
1112 float movevars_friction;
1113 float movevars_timescale;
1114 float movevars_gravity;
1115 float movevars_stopspeed;
1116 float movevars_maxspeed;
1117 float movevars_spectatormaxspeed;
1118 float movevars_accelerate;
1119 float movevars_airaccelerate;
1120 float movevars_wateraccelerate;
1121 float movevars_entgravity;
1122 float movevars_jumpvelocity;
1123 float movevars_edgefriction;
1124 float movevars_maxairspeed;
1125 float movevars_stepheight;
1126 float movevars_airaccel_qw;
1127 float movevars_airaccel_sideways_friction;
1128 float movevars_airstopaccelerate;
1129 float movevars_airstrafeaccelerate;
1130 float movevars_maxairstrafespeed;
1131 float movevars_aircontrol;
1132 float movevars_warsowbunny_airforwardaccel;
1133 float movevars_warsowbunny_accel;
1134 float movevars_warsowbunny_topspeed;
1135 float movevars_warsowbunny_turnaccel;
1136 float movevars_warsowbunny_backtosideratio;
1137 float movevars_ticrate;
1139 // models used by qw protocol
1140 int qw_modelindex_spike;
1141 int qw_modelindex_player;
1142 int qw_modelindex_flag;
1143 int qw_modelindex_s_explod;
1145 vec3_t qw_intermission_origin;
1146 vec3_t qw_intermission_angles;
1148 // 255 is the most nails the QW protocol could send
1150 vec_t qw_nails[255][6];
1152 float qw_weaponkick;
1154 int qw_validsequence;
1156 int qw_deltasequence[QW_UPDATE_BACKUP];
1159 // server entity number corresponding to a clientside entity
1160 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1161 qboolean csqc_loaded;
1164 qboolean csqc_usecsqclistener;
1165 matrix4x4_t csqc_listenermatrix;
1166 char csqc_printtextbuf[MAX_INPUTLINE];
1168 // collision culling data
1171 // loc file stuff (points and boxes describing locations in the level)
1172 cl_locnode_t *locnodes;
1173 // this is updated to cl.movement_origin whenever health is < 1
1174 // used by %d print in say/say_team messages if cl_locs_enable is on
1175 vec3_t lastdeathorigin;
1177 // processing buffer used by R_BuildLightMap, reallocated as needed,
1178 // freed on each level change
1179 size_t buildlightmapmemorysize;
1180 unsigned char *buildlightmapmemory;
1187 extern cvar_t cl_name;
1188 extern cvar_t cl_color;
1189 extern cvar_t cl_rate;
1190 extern cvar_t cl_pmodel;
1191 extern cvar_t cl_playermodel;
1192 extern cvar_t cl_playerskin;
1194 extern cvar_t rcon_password;
1195 extern cvar_t rcon_address;
1197 extern cvar_t cl_upspeed;
1198 extern cvar_t cl_forwardspeed;
1199 extern cvar_t cl_backspeed;
1200 extern cvar_t cl_sidespeed;
1202 extern cvar_t cl_movespeedkey;
1204 extern cvar_t cl_yawspeed;
1205 extern cvar_t cl_pitchspeed;
1207 extern cvar_t cl_anglespeedkey;
1209 extern cvar_t cl_autofire;
1211 extern cvar_t cl_shownet;
1212 extern cvar_t cl_nolerp;
1213 extern cvar_t cl_nettimesyncfactor;
1214 extern cvar_t cl_nettimesyncboundmode;
1215 extern cvar_t cl_nettimesyncboundtolerance;
1217 extern cvar_t cl_pitchdriftspeed;
1218 extern cvar_t lookspring;
1219 extern cvar_t lookstrafe;
1220 extern cvar_t sensitivity;
1222 extern cvar_t freelook;
1224 extern cvar_t m_pitch;
1225 extern cvar_t m_yaw;
1226 extern cvar_t m_forward;
1227 extern cvar_t m_side;
1229 extern cvar_t cl_autodemo;
1230 extern cvar_t cl_autodemo_nameformat;
1232 extern cvar_t r_draweffects;
1234 extern cvar_t cl_explosions_alpha_start;
1235 extern cvar_t cl_explosions_alpha_end;
1236 extern cvar_t cl_explosions_size_start;
1237 extern cvar_t cl_explosions_size_end;
1238 extern cvar_t cl_explosions_lifetime;
1239 extern cvar_t cl_stainmaps;
1240 extern cvar_t cl_stainmaps_clearonload;
1242 extern cvar_t cl_prydoncursor;
1244 extern cvar_t cl_locs_enable;
1246 extern client_state_t cl;
1248 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);
1250 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1251 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1253 //=============================================================================
1259 void CL_Shutdown (void);
1260 void CL_Init (void);
1262 void CL_EstablishConnection(const char *host);
1264 void CL_Disconnect (void);
1265 void CL_Disconnect_f (void);
1267 void CL_UpdateRenderEntity(entity_render_t *ent);
1268 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1269 void CL_UpdateViewEntities(void);
1274 typedef struct kbutton_s
1276 int down[2]; // key nums holding it down
1277 int state; // low bit is down state
1281 extern kbutton_t in_mlook, in_klook;
1282 extern kbutton_t in_strafe;
1283 extern kbutton_t in_speed;
1285 void CL_InitInput (void);
1286 void CL_SendMove (void);
1288 void CL_ValidateState(entity_state_t *s);
1289 void CL_MoveLerpEntityStates(entity_t *ent);
1290 void CL_LerpUpdate(entity_t *e);
1291 void CL_ParseTEnt (void);
1292 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1293 void CL_RelinkBeams (void);
1294 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1295 void CL_ClientMovement_Replay(void);
1297 void CL_ClearTempEntities (void);
1298 entity_render_t *CL_NewTempEntity (double shadertime);
1300 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1302 void CL_ClearState (void);
1303 void CL_ExpandEntities(int num);
1304 void CL_ExpandCSQCRenderEntities(int num);
1305 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1308 void CL_UpdateWorld (void);
1309 void CL_WriteToServer (void);
1310 void CL_Input (void);
1311 extern int cl_ignoremousemoves;
1314 float CL_KeyState (kbutton_t *key);
1315 const char *Key_KeynumToString (int keynum);
1316 int Key_StringToKeynum (const char *str);
1321 void CL_StopPlayback(void);
1322 void CL_ReadDemoMessage(void);
1323 void CL_WriteDemoMessage(sizebuf_t *mesage);
1325 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1326 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1328 void CL_NextDemo(void);
1329 void CL_Stop_f(void);
1330 void CL_Record_f(void);
1331 void CL_PlayDemo_f(void);
1332 void CL_TimeDemo_f(void);
1337 void CL_Parse_Init(void);
1338 void CL_Parse_Shutdown(void);
1339 void CL_ParseServerMessage(void);
1340 void CL_Parse_DumpPacket(void);
1341 void CL_Parse_ErrorCleanUp(void);
1342 void QW_CL_StartUpload(unsigned char *data, int size);
1343 extern cvar_t qport;
1344 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1349 void V_StartPitchDrift (void);
1350 void V_StopPitchDrift (void);
1353 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1354 void V_UpdateBlends (void);
1355 void V_ParseDamage (void);
1361 extern cvar_t cl_particles;
1362 extern cvar_t cl_particles_quality;
1363 extern cvar_t cl_particles_size;
1364 extern cvar_t cl_particles_quake;
1365 extern cvar_t cl_particles_blood;
1366 extern cvar_t cl_particles_blood_alpha;
1367 extern cvar_t cl_particles_blood_bloodhack;
1368 extern cvar_t cl_particles_bulletimpacts;
1369 extern cvar_t cl_particles_explosions_sparks;
1370 extern cvar_t cl_particles_explosions_shell;
1371 extern cvar_t cl_particles_rain;
1372 extern cvar_t cl_particles_snow;
1373 extern cvar_t cl_particles_smoke;
1374 extern cvar_t cl_particles_smoke_alpha;
1375 extern cvar_t cl_particles_smoke_alphafade;
1376 extern cvar_t cl_particles_sparks;
1377 extern cvar_t cl_particles_bubbles;
1378 extern cvar_t cl_decals;
1379 extern cvar_t cl_decals_time;
1380 extern cvar_t cl_decals_fadetime;
1382 void CL_Particles_Clear(void);
1383 void CL_Particles_Init(void);
1384 void CL_Particles_Shutdown(void);
1385 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);
1387 typedef enum effectnameindex_s
1391 EFFECT_TE_GUNSHOTQUAD,
1393 EFFECT_TE_SPIKEQUAD,
1394 EFFECT_TE_SUPERSPIKE,
1395 EFFECT_TE_SUPERSPIKEQUAD,
1397 EFFECT_TE_KNIGHTSPIKE,
1398 EFFECT_TE_EXPLOSION,
1399 EFFECT_TE_EXPLOSIONQUAD,
1400 EFFECT_TE_TAREXPLOSION,
1402 EFFECT_TE_LAVASPLASH,
1403 EFFECT_TE_SMALLFLASH,
1408 EFFECT_TE_PLASMABURN,
1410 EFFECT_TE_TEI_SMOKE,
1411 EFFECT_TE_TEI_BIGEXPLOSION,
1412 EFFECT_TE_TEI_PLASMAHIT,
1418 EFFECT_TR_SLIGHTBLOOD,
1419 EFFECT_TR_KNIGHTSPIKE,
1420 EFFECT_TR_VORESPIKE,
1421 EFFECT_TR_NEHAHRASMOKE,
1422 EFFECT_TR_NEXUIZPLASMA,
1423 EFFECT_TR_GLOWTRAIL,
1424 EFFECT_SVC_PARTICLE,
1429 int CL_ParticleEffectIndexForName(const char *name);
1430 const char *CL_ParticleEffectNameForIndex(int i);
1431 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);
1432 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);
1433 void CL_ParseParticleEffect (void);
1434 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);
1435 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1436 void CL_EntityParticles (const entity_t *ent);
1437 void CL_ParticleExplosion (const vec3_t org);
1438 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1439 void R_NewExplosion(const vec3_t org);
1441 void Debug_PolygonBegin(const char *picname, int flags);
1442 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1443 void Debug_PolygonEnd(void);
1445 #include "cl_screen.h"
1447 extern qboolean sb_showscores;
1449 float RSurf_FogVertex(const vec3_t p);
1450 float RSurf_FogPoint(const vec3_t p);
1452 typedef struct r_refdef_stats_s
1456 int entities_surfaces;
1457 int entities_triangles;
1461 int world_triangles;
1462 int lightmapupdates;
1463 int lightmapupdatepixels;
1468 int meshes_elements;
1471 int lights_scissored;
1472 int lights_lighttriangles;
1473 int lights_shadowtriangles;
1474 int lights_dynamicshadowtriangles;
1476 int bloom_copypixels;
1477 int bloom_drawpixels;
1481 typedef enum r_viewport_type_e
1483 R_VIEWPORTTYPE_ORTHO,
1484 R_VIEWPORTTYPE_PERSPECTIVE,
1485 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1486 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1487 R_VIEWPORTTYPE_TOTAL
1491 typedef struct r_viewport_s
1494 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1495 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1496 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1503 r_viewport_type_t type;
1507 typedef struct r_refdef_view_s
1509 // view information (changes multiple times per frame)
1510 // if any of these variables change then r_refdef.viewcache must be regenerated
1511 // by calling R_View_Update
1512 // (which also updates viewport, scissor, colormask)
1514 // it is safe and expected to copy this into a structure on the stack and
1515 // call the renderer recursively, then restore from the stack afterward
1516 // (as long as R_View_Update is called)
1518 // eye position information
1519 matrix4x4_t matrix, inverse_matrix;
1525 int numfrustumplanes;
1526 mplane_t frustum[6];
1527 qboolean useclipplane;
1528 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1530 float frustum_x, frustum_y;
1531 vec3_t frustumcorner[4];
1532 // if turned off it renders an ortho view
1534 float ortho_x, ortho_y;
1536 // screen area to render in
1543 r_viewport_t viewport;
1545 // which color components to allow (for anaglyph glasses)
1548 // global RGB color multiplier for rendering, this is required by HDR
1551 // whether to call R_ClearScreen before rendering stuff
1553 // if true, don't clear or do any post process effects (bloom, etc)
1556 // whether to draw r_showtris and such, this is only true for the main
1557 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1558 // distortion effects, etc) omit such debugging information
1561 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1565 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1570 typedef struct r_refdef_viewcache_s
1572 // updated by gl_main_newmap()
1574 int world_numclusters;
1575 int world_numclusterbytes;
1577 int world_numsurfaces;
1579 // these properties are generated by R_View_Update()
1581 // which entities are currently visible for this viewpoint
1582 // (the used range is 0...r_refdef.scene.numentities)
1583 unsigned char *entityvisible;
1585 // flag arrays used for visibility checking on world model
1586 // (all other entities have no per-surface/per-leaf visibility checks)
1587 unsigned char *world_pvsbits;
1588 unsigned char *world_leafvisible;
1589 unsigned char *world_surfacevisible;
1590 // if true, the view is currently in a leaf without pvs data
1591 qboolean world_novis;
1593 r_refdef_viewcache_t;
1595 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1596 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1597 typedef struct r_refdef_scene_s {
1598 // whether to call S_ExtraUpdate during render to reduce sound chop
1599 qboolean extraupdate;
1601 // (client gameworld) time for rendering time based effects
1605 entity_render_t *worldentity;
1607 // same as worldentity->model
1608 dp_model_t *worldmodel;
1610 // renderable entities (excluding world)
1611 entity_render_t **entities;
1615 // field of temporary entities that is reset each (client) frame
1616 entity_render_t *tempentities;
1617 int numtempentities;
1618 int maxtempentities;
1620 // renderable dynamic lights
1621 rtlight_t *lights[MAX_DLIGHTS];
1622 rtlight_t templights[MAX_DLIGHTS];
1625 // intensities for light styles right now, controls rtlights
1626 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1627 // 8.8bit fixed point intensities for light styles
1628 // controls intensity lightmap layers
1629 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1634 qboolean rtworldshadows;
1636 qboolean rtdlightshadows;
1639 typedef struct r_refdef_s
1641 // these fields define the basic rendering information for the world
1642 // but not the view, which could change multiple times in one rendered
1643 // frame (for example when rendering textures for certain effects)
1645 // these are set for water warping before
1646 // frustum_x/frustum_y are calculated
1647 float frustumscale_x, frustumscale_y;
1649 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1650 r_refdef_view_t view;
1651 r_refdef_viewcache_t viewcache;
1653 // minimum visible distance (pixels closer than this disappear)
1655 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1656 // in 32bpp an infinite-farclip matrix is used instead)
1659 // fullscreen color blend
1662 r_refdef_scene_t scene;
1665 float fogplaneviewdist;
1666 qboolean fogplaneviewabove;
1667 float fogheightfade;
1670 float fograngerecip;
1671 float fogmasktabledistmultiplier;
1672 #define FOGMASKTABLEWIDTH 1024
1673 float fogmasktable[FOGMASKTABLEWIDTH];
1674 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1683 float fog_fadedepth;
1684 qboolean fogenabled;
1685 qboolean oldgl_fogenable;
1687 qboolean draw2dstage;
1689 // true during envmap command capture
1692 // brightness of world lightmaps and related lighting
1693 // (often reduced when world rtlights are enabled)
1694 float lightmapintensity;
1695 // whether to draw world lights realtime, dlights realtime, and their shadows
1696 float polygonfactor;
1697 float polygonoffset;
1698 float shadowpolygonfactor;
1699 float shadowpolygonoffset;
1701 // rendering stats for r_speeds display
1702 // (these are incremented in many places)
1703 r_refdef_stats_t stats;
1707 extern r_refdef_t r_refdef;