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 unsigned char colors[3][4];
36 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
38 // if >= 0 this indicates the decal should follow an animated triangle
43 typedef struct decalsystem_s
46 double lastupdatetime;
55 unsigned short *element3s;
59 typedef struct effect_s
68 // these are for interpolation
78 // draw this as lightning polygons, or a model?
80 struct model_s *model;
86 typedef struct rtlight_s
88 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
90 // note that the world to light matrices are inversely scaled (divided) by lightradius
93 /// matrix for transforming light filter coordinates to world coordinates
94 matrix4x4_t matrix_lighttoworld;
95 /// matrix for transforming world coordinates to light filter coordinates
96 matrix4x4_t matrix_worldtolight;
97 /// typically 1 1 1, can be lower (dim) or higher (overbright)
99 /// size of the light (remove?)
102 char cubemapname[64];
103 /// light style to monitor for brightness
105 /// whether light should render shadows
107 /// intensity of corona to render
109 /// radius scale of corona to render (1.0 means same as light radius)
110 vec_t coronasizescale;
111 /// ambient intensity to render
113 /// diffuse intensity to render
115 /// specular intensity to render
117 /// LIGHTFLAG_* flags
120 // generated properties
121 /// used only for shadow volumes
128 // squared cullradius
131 // rendering properties, updated each time a light is rendered
132 // this is rtlight->color * d_lightstylevalue
134 /// used by corona updates, due to occlusion query
135 float corona_visibility;
136 unsigned int corona_queryindex_visiblepixels;
137 unsigned int corona_queryindex_allpixels;
138 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
139 rtexture_t *currentcubemap;
141 /// static light info
142 /// true if this light should be compiled as a static light
144 /// true if this is a compiled world light, cleared if the light changes
146 /// the shadowing mode used to compile this light
148 /// premade shadow volumes to render for world entity
149 shadowmesh_t *static_meshchain_shadow_zpass;
150 shadowmesh_t *static_meshchain_shadow_zfail;
151 shadowmesh_t *static_meshchain_shadow_shadowmap;
152 /// used for visibility testing (more exact than bbox)
154 int static_numleafpvsbytes;
155 int *static_leaflist;
156 unsigned char *static_leafpvs;
157 /// surfaces seen by light
158 int static_numsurfaces;
159 int *static_surfacelist;
160 /// flag bits indicating which triangles of the world model should cast
161 /// shadows, and which ones should be lit
163 /// this avoids redundantly scanning the triangles in each surface twice
164 /// for whether they should cast shadows, once in culling and once in the
165 /// actual shadowmarklist production.
166 int static_numshadowtrispvsbytes;
167 unsigned char *static_shadowtrispvs;
168 /// this allows the lighting batch code to skip backfaces andother culled
169 /// triangles not relevant for lighting
170 /// (important on big surfaces such as terrain)
171 int static_numlighttrispvsbytes;
172 unsigned char *static_lighttrispvs;
173 /// masks of all shadowmap sides that have any potential static receivers or casters
174 int static_shadowmap_receivers;
175 int static_shadowmap_casters;
179 typedef struct dlight_s
181 // destroy light after this time
184 // the entity that owns this light (can be NULL)
186 struct entity_render_s *ent;
188 // (worldlight: saved to .rtlights file)
190 // worldlight orientation
192 // (worldlight: saved to .rtlights file)
194 // dlight orientation/scaling/location
198 // (worldlight: saved to .rtlights file)
200 // cubemap name to use on this light
201 // (worldlight: saved to .rtlights file)
202 char cubemapname[64];
203 // make light flash while selected
206 // brightness (not really radius anymore)
207 // (worldlight: saved to .rtlights file)
209 // drop intensity this much each second
212 // intensity value which is dropped over time
215 // initial values for intensity to modify
219 // light style which controls intensity of this light
220 // (worldlight: saved to .rtlights file)
223 // (worldlight: saved to .rtlights file)
226 // (worldlight: saved to .rtlights file)
228 // radius scale of corona to render (1.0 means same as light radius)
229 // (worldlight: saved to .rtlights file)
230 vec_t coronasizescale;
231 // ambient intensity to render
232 // (worldlight: saved to .rtlights file)
234 // diffuse intensity to render
235 // (worldlight: saved to .rtlights file)
237 // specular intensity to render
238 // (worldlight: saved to .rtlights file)
241 // (worldlight: saved to .rtlights file)
243 // linked list of world lights
245 struct dlight_s *next;
246 // embedded rtlight struct for renderer
252 #define MAX_FRAMEGROUPBLENDS 4
253 typedef struct framegroupblend_s
255 // animation number and blend factor
256 // (for most models this is the frame number)
259 // time frame began playing (for framegroup animations)
264 // this is derived from processing of the framegroupblend array
265 // note: technically each framegroupblend can produce two of these, but that
266 // never happens in practice because no one blends between more than 2
267 // framegroups at once
268 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
269 typedef struct frameblend_s
276 // LordHavoc: this struct is intended for the renderer but some fields are
277 // used by the client.
279 // The renderer should not rely on any changes to this struct to be persistent
280 // across multiple frames because temp entities are wiped every frame, but it
281 // is acceptable to cache things in this struct that are not critical.
283 // For example the r_cullentities_trace code does such caching.
284 typedef struct entity_render_s
290 // transform matrix for model to world
292 // transform matrix for world to model
293 matrix4x4_t inversematrix;
294 // opacity (alpha) of the model
296 // size the model is shown
298 // transparent sorting offset
299 float transparent_offset;
303 // number of the entity represents, or 0 for non-network entities
305 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
306 vec3_t colormap_pantscolor;
307 vec3_t colormap_shirtcolor;
308 // light, particles, etc
310 // qw CTF flags and other internal-use-only effect bits
317 // colormod tinting of models
321 // interpolated animation - active framegroups and blend factors
322 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
324 // time of last model change (for shader animations)
327 // calculated by the renderer (but not persistent)
329 // calculated during R_AddModelEntities
331 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
332 frameblend_t frameblend[MAX_FRAMEBLENDS];
334 // animation cache index
337 // current lighting from map (updated ONLY by client code, not renderer)
338 vec3_t modellight_ambient;
339 vec3_t modellight_diffuse; // q3bsp
340 vec3_t modellight_lightdir; // q3bsp
342 // storage of decals on this entity
343 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
345 decalsystem_t decalsystem;
347 // FIELDS UPDATED BY RENDERER:
348 // last time visible during trace culling
349 double last_trace_visibility;
353 typedef struct entity_persistent_s
359 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
361 // muzzleflash fading
364 // interpolated movement
366 // start time of move
368 // time difference from start to end of move
370 // the move itself, start and end
378 typedef struct entity_s
380 // baseline state (default values)
381 entity_state_t state_baseline;
382 // previous state (interpolating from this)
383 entity_state_t state_previous;
384 // current state (interpolating to this)
385 entity_state_t state_current;
387 // used for regenerating parts of render
388 entity_persistent_t persistent;
390 // the only data the renderer should know about
391 entity_render_t render;
395 typedef struct usercmd_s
399 // intended velocities
404 vec3_t cursor_screen;
407 vec3_t cursor_impact;
408 vec3_t cursor_normal;
409 vec_t cursor_fraction;
410 int cursor_entitynumber;
412 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
413 double receivetime; // time the move was received at
414 double clienttime; // time to which server state the move corresponds to
415 int msec; // for predicted moves
419 qboolean applied; // if false we're still accumulating a move
420 qboolean predicted; // if true the sequence should be sent as 0
422 // derived properties
429 typedef struct lightstyle_s
432 char map[MAX_STYLESTRING];
435 typedef struct scoreboard_s
437 char name[MAX_SCOREBOARDNAME];
439 int colors; // two 4 bit fields
442 char qw_userinfo[MAX_USERINFO_STRING];
448 char qw_skin[MAX_QPATH];
451 typedef struct cshift_s
454 float percent; // 0-255
455 float alphafade; // (any speed)
458 #define CSHIFT_CONTENTS 0
459 #define CSHIFT_DAMAGE 1
460 #define CSHIFT_BONUS 2
461 #define CSHIFT_POWERUP 3
462 #define CSHIFT_VCSHIFT 4
463 #define NUM_CSHIFTS 5
465 #define NAME_LENGTH 64
469 // client_state_t should hold all pieces of the client state
472 #define SIGNONS 4 // signon messages to receive before connected
474 typedef enum cactive_e
476 ca_uninitialized, // during early startup
477 ca_dedicated, // a dedicated server with no ability to start a client
478 ca_disconnected, // full screen console with no connection
479 ca_connected // valid netcon, talking to a server
483 typedef enum qw_downloadtype_e
493 typedef enum capturevideoformat_e
495 CAPTUREVIDEOFORMAT_AVI_I420,
496 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
498 capturevideoformat_t;
500 typedef struct capturevideostate_s
502 double startrealtime;
515 int soundsampleframe;
516 unsigned char *screenbuffer;
517 unsigned char *outbuffer;
518 char basename[MAX_QPATH];
521 // precomputed RGB to YUV tables
522 // converts the RGB values to YUV (see cap_avi.c for how to use them)
523 short rgbtoyuvscaletable[3][3][256];
524 unsigned char yuvnormalizetable[3][256];
526 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
527 // 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
528 unsigned short vidramp[256 * 3];
530 // stuff to be filled in by the video format module
531 capturevideoformat_t format;
532 const char *formatextension;
535 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
536 void (*endvideo) (void);
537 void (*videoframes) (int num);
538 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
540 // format specific data
541 void *formatspecific;
545 #define CL_MAX_DOWNLOADACKS 4
547 typedef struct cl_downloadack_s
553 typedef struct cl_soundstats_s
557 int latency_milliseconds;
562 // the client_static_t structure is persistent through an arbitrary number
563 // of server connections
565 typedef struct client_static_s
569 // all client memory allocations go in these pools
570 mempool_t *levelmempool;
571 mempool_t *permanentmempool;
574 // -1 = don't play demos
576 // list of demos in loop
577 char demos[MAX_DEMOS][MAX_DEMONAME];
578 // the actively playing demo (set by CL_PlayDemo_f)
579 char demoname[MAX_QPATH];
581 // demo recording info must be here, because record is started before
582 // entering a map (and clearing client_state_t)
583 qboolean demorecording;
584 fs_offset_t demo_lastcsprogssize;
585 int demo_lastcsprogscrc;
586 qboolean demoplayback;
588 // -1 = use normal cd track
591 // realtime at second frame of timedemo (LordHavoc: changed to double)
593 int td_frames; // total frames parsed
594 double td_onesecondnexttime;
595 double td_onesecondframes;
596 double td_onesecondrealtime;
597 double td_onesecondminfps;
598 double td_onesecondmaxfps;
599 double td_onesecondavgfps;
600 int td_onesecondavgcount;
601 // LordHavoc: pausedemo
604 // sound mixer statistics for showsound display
605 cl_soundstats_t soundstats;
607 qboolean connect_trying;
608 int connect_remainingtries;
609 double connect_nextsendtime;
610 lhnetsocket_t *connect_mysocket;
611 lhnetaddress_t connect_address;
612 // protocol version of the server we're connected to
613 // (kept outside client_state_t because it's used between levels)
614 protocolversion_t protocol;
618 lhnetaddress_t rcon_addresses[MAX_RCONS];
619 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
620 double rcon_timeout[MAX_RCONS];
623 // connection information
626 // network connection
629 // download information
630 // (note: qw_download variables are also used)
631 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
633 // input sequence numbers are not reset on level change, only connect
635 int servermovesequence;
637 // quakeworld stuff below
639 // value of "qport" cvar at time of connection
641 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
642 int qw_incoming_sequence;
643 int qw_outgoing_sequence;
645 // current file download buffer (only saved when file is completed)
646 char qw_downloadname[MAX_QPATH];
647 unsigned char *qw_downloadmemory;
648 int qw_downloadmemorycursize;
649 int qw_downloadmemorymaxsize;
650 int qw_downloadnumber;
651 int qw_downloadpercent;
652 qw_downloadtype_t qw_downloadtype;
653 // transfer rate display
654 double qw_downloadspeedtime;
655 int qw_downloadspeedcount;
656 int qw_downloadspeedrate;
657 qboolean qw_download_deflate;
659 // current file upload buffer (for uploading screenshots to server)
660 unsigned char *qw_uploaddata;
665 // this normally contains the following keys in quakeworld:
666 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
667 char userinfo[MAX_USERINFO_STRING];
669 // video capture stuff
670 capturevideostate_t capturevideo;
674 extern client_static_t cls;
676 typedef struct client_movementqueue_s
687 client_movementqueue_t;
693 qboolean drawenginesbar;
694 qboolean drawcrosshair;
699 PARTICLE_BILLBOARD = 0,
701 PARTICLE_ORIENTED_DOUBLESIDED = 2,
704 PARTICLE_INVALID = -1
717 typedef struct particletype_s
720 porientation_t orientation;
727 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
731 typedef struct decal_s
733 // fields used by rendering: (44 bytes)
734 unsigned short typeindex;
735 unsigned short texnum;
739 float alpha; // 0-255
740 unsigned char color[3];
741 unsigned char unused1;
742 int clusterindex; // cheap culling by pvs
744 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
745 float time2; // used for decal fade
746 unsigned int owner; // decal stuck to this entity
747 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
748 vec3_t relativeorigin; // decal at this location in entity's coordinate space
749 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
753 typedef struct particle_s
755 // fields used by rendering: (40 bytes)
756 unsigned char typeindex;
758 porientation_t orientation;
759 unsigned char texnum;
761 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
763 float alpha; // 0-255
764 unsigned char color[3];
765 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
766 float stretch; // only for sparks
768 signed char staintexnum;
769 float stainsizefactor;
771 // fields not used by rendering: (40 bytes)
772 float sizeincrease; // rate of size change per second
773 float alphafade; // how much alpha reduces per second
774 float time2; // used for snow fluttering and decal fade
775 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)
776 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
777 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
778 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
779 float delayedcollisions; // time that p->bounce becomes active
780 float delayedspawn; // time that particle appears and begins moving
781 float die; // time when this particle should be removed, regardless of alpha
785 typedef enum cl_parsingtextmode_e
787 CL_PARSETEXTMODE_NONE,
788 CL_PARSETEXTMODE_PING,
789 CL_PARSETEXTMODE_STATUS,
790 CL_PARSETEXTMODE_STATUS_PLAYERID,
791 CL_PARSETEXTMODE_STATUS_PLAYERIP
793 cl_parsingtextmode_t;
795 typedef struct cl_locnode_s
797 struct cl_locnode_s *next;
803 typedef struct showlmp_s
814 // the client_state_t structure is wiped completely at every
817 typedef struct client_state_s
819 // true if playing in a local game and no one else is connected
822 // send a clc_nop periodically until connected
825 // current input being accumulated by mouse/joystick/etc input
827 // latest moves sent to the server that have not been confirmed yet
828 usercmd_t movecmd[CL_MAX_USERCMDS];
830 // information for local display
832 int stats[MAX_CL_STATS];
833 float *statsf; // points to stats[] array
834 // last known inventory bit flags, for blinking
836 // cl.time of acquiring item, for blinking
837 float item_gettime[32];
838 // last known STAT_ACTIVEWEAPON
840 // cl.time of changing STAT_ACTIVEWEAPON
842 // use pain anim frame if cl.time < this
844 // for stair smoothing
846 double stairsmoothtime;
848 // color shifts for damage, powerups
849 cshift_t cshifts[NUM_CSHIFTS];
851 cshift_t prev_cshifts[NUM_CSHIFTS];
853 // the client maintains its own idea of view angles, which are
854 // sent to the server each frame. The server sets punchangle when
855 // the view is temporarily offset, and an angle reset commands at the start
856 // of each level and after teleporting.
858 // mviewangles is read from demo
859 // viewangles is either client controlled or lerped from mviewangles
860 vec3_t mviewangles[2], viewangles;
861 // update by server, used by qc to do weapon recoil
862 vec3_t mpunchangle[2], punchangle;
863 // update by server, can be used by mods to kick view around
864 vec3_t mpunchvector[2], punchvector;
865 // update by server, used for lean+bob (0 is newest)
866 vec3_t mvelocity[2], velocity;
867 // update by server, can be used by mods for zooming
868 vec_t mviewzoom[2], viewzoom;
869 // if true interpolation the mviewangles and other interpolation of the
870 // player is disabled until the next network packet
871 // this is used primarily by teleporters, and when spectating players
872 // special checking of the old fixangle[1] is used to differentiate
873 // between teleporting and spectating
874 qboolean fixangle[2];
876 // client movement simulation
877 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
878 // set by CL_ClientMovement_Replay functions
879 qboolean movement_predicted;
880 // if true the CL_ClientMovement_Replay function will update origin, etc
881 qboolean movement_replay;
882 // simulated data (this is valid even if cl.movement is false)
883 vec3_t movement_origin;
884 vec3_t movement_velocity;
885 // whether the replay should allow a jump at the first sequence
886 qboolean movement_replay_canjump;
888 // pitch drifting vars
895 //[515]: added for csqc purposes
896 float sensitivityscale;
897 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
898 qboolean csqc_wantsmousemove;
899 struct model_s *csqc_model_precache[MAX_MODELS];
901 // local amount for smoothing stepups
910 qboolean oldonground;
911 double lastongroundtime;
912 double hitgroundtime;
914 // don't change view angle, full screen, etc
916 // latched at intermission start
917 double completed_time;
919 // the timestamp of the last two messages
922 // clients view of time, time should be between mtime[0] and mtime[1] to
923 // generate a lerp point for other data, oldtime is the previous frame's
924 // value of time, frametime is the difference between time and oldtime
925 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
926 // is only forcefully limited when a packet is received
927 double time, oldtime;
928 // how long it has been since the previous client frame in real time
929 // (not game time, for that use cl.time - cl.oldtime)
930 double realframetime;
932 // fade var for fading while dead
935 // motionblur alpha level variable
936 float motionbluralpha;
938 // copy of realtime from last recieved message, for net trouble icon
939 float last_received_message;
941 // information that is static for the entire time connected to a server
942 struct model_s *model_precache[MAX_MODELS];
943 struct sfx_s *sound_precache[MAX_SOUNDS];
945 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
946 char model_name[MAX_MODELS][MAX_QPATH];
947 char sound_name[MAX_SOUNDS][MAX_QPATH];
949 // for display on solo scoreboard
951 // cl_entitites[cl.viewentity] = player
953 // the real player entity (normally same as viewentity,
954 // different than viewentity if mod uses chasecam or other tricks)
955 int realplayerentity;
956 // this is updated to match cl.viewentity whenever it is in the clients
957 // range, basically this is used in preference to cl.realplayerentity for
958 // most purposes because when spectating another player it should show
959 // their information rather than yours
961 // max players that can be in this game
963 // type of game (deathmatch, coop, singleplayer)
966 // models and sounds used by engine code (particularly cl_parse.c)
967 dp_model_t *model_bolt;
968 dp_model_t *model_bolt2;
969 dp_model_t *model_bolt3;
970 dp_model_t *model_beam;
972 sfx_t *sfx_knighthit;
978 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
979 qboolean foundtalk2wav;
981 // refresh related state
983 // cl_entitites[0].model
984 struct model_s *worldmodel;
990 int cdtrack, looptrack;
995 scoreboard_t *scores;
997 // keep track of svc_print parsing state (analyzes ping reports and status reports)
998 cl_parsingtextmode_t parsingtextmode;
999 int parsingtextplayerindex;
1000 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1001 // (which could eat the wrong ping report if the player issues one
1002 // manually, but they would still see a ping report, just a later one
1003 // caused by the scoreboard code rather than the one they intentionally
1005 int parsingtextexpectingpingforscores;
1007 // entity database stuff
1008 // latest received entity frame numbers
1009 #define LATESTFRAMENUMS 3
1010 int latestframenums[LATESTFRAMENUMS];
1011 entityframe_database_t *entitydatabase;
1012 entityframe4_database_t *entitydatabase4;
1013 entityframeqw_database_t *entitydatabaseqw;
1015 // keep track of quake entities because they need to be killed if they get stale
1016 int lastquakeentity;
1017 unsigned char isquakeentity[MAX_EDICTS];
1019 // bounding boxes for clientside movement
1020 vec3_t playerstandmins;
1021 vec3_t playerstandmaxs;
1022 vec3_t playercrouchmins;
1023 vec3_t playercrouchmaxs;
1026 int max_static_entities;
1031 int max_brushmodel_entities;
1037 unsigned char *entities_active;
1038 entity_t *static_entities;
1039 cl_effect_t *effects;
1042 lightstyle_t *lightstyle;
1043 int *brushmodel_entities;
1044 particle_t *particles;
1046 showlmp_t *showlmps;
1049 int num_static_entities;
1050 int num_brushmodel_entities;
1058 double particles_updatetime;
1059 double decals_updatetime;
1063 // cl_serverextension_download feature
1064 int loadmodel_current;
1065 int downloadmodel_current;
1066 int loadmodel_total;
1067 int loadsound_current;
1068 int downloadsound_current;
1069 int loadsound_total;
1070 qboolean downloadcsqc;
1073 qboolean loadfinished;
1077 // local copy of the server infostring
1078 char qw_serverinfo[MAX_SERVERINFO_STRING];
1080 // time of last qw "pings" command sent to server while showing scores
1081 double last_ping_request;
1083 // used during connect
1086 // updated from serverinfo
1089 // unused: indicates whether the player is spectating
1090 // use cl.scores[cl.playerentity-1].qw_spectator instead
1091 //qboolean qw_spectator;
1093 // last time an input packet was sent
1094 double lastpackettime;
1096 // movement parameters for client prediction
1097 unsigned int moveflags;
1098 float movevars_wallfriction;
1099 float movevars_waterfriction;
1100 float movevars_friction;
1101 float movevars_timescale;
1102 float movevars_gravity;
1103 float movevars_stopspeed;
1104 float movevars_maxspeed;
1105 float movevars_spectatormaxspeed;
1106 float movevars_accelerate;
1107 float movevars_airaccelerate;
1108 float movevars_wateraccelerate;
1109 float movevars_entgravity;
1110 float movevars_jumpvelocity;
1111 float movevars_edgefriction;
1112 float movevars_maxairspeed;
1113 float movevars_stepheight;
1114 float movevars_airaccel_qw;
1115 float movevars_airaccel_sideways_friction;
1116 float movevars_airstopaccelerate;
1117 float movevars_airstrafeaccelerate;
1118 float movevars_maxairstrafespeed;
1119 float movevars_aircontrol;
1120 float movevars_warsowbunny_airforwardaccel;
1121 float movevars_warsowbunny_accel;
1122 float movevars_warsowbunny_topspeed;
1123 float movevars_warsowbunny_turnaccel;
1124 float movevars_warsowbunny_backtosideratio;
1125 float movevars_ticrate;
1127 // models used by qw protocol
1128 int qw_modelindex_spike;
1129 int qw_modelindex_player;
1130 int qw_modelindex_flag;
1131 int qw_modelindex_s_explod;
1133 vec3_t qw_intermission_origin;
1134 vec3_t qw_intermission_angles;
1136 // 255 is the most nails the QW protocol could send
1138 vec_t qw_nails[255][6];
1140 float qw_weaponkick;
1142 int qw_validsequence;
1144 int qw_deltasequence[QW_UPDATE_BACKUP];
1147 // server entity number corresponding to a clientside entity
1148 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1149 qboolean csqc_loaded;
1152 qboolean csqc_usecsqclistener;
1153 matrix4x4_t csqc_listenermatrix;
1154 char csqc_printtextbuf[MAX_INPUTLINE];
1156 // collision culling data
1159 // loc file stuff (points and boxes describing locations in the level)
1160 cl_locnode_t *locnodes;
1161 // this is updated to cl.movement_origin whenever health is < 1
1162 // used by %d print in say/say_team messages if cl_locs_enable is on
1163 vec3_t lastdeathorigin;
1165 // processing buffer used by R_BuildLightMap, reallocated as needed,
1166 // freed on each level change
1167 size_t buildlightmapmemorysize;
1168 unsigned char *buildlightmapmemory;
1175 extern cvar_t cl_name;
1176 extern cvar_t cl_color;
1177 extern cvar_t cl_rate;
1178 extern cvar_t cl_pmodel;
1179 extern cvar_t cl_playermodel;
1180 extern cvar_t cl_playerskin;
1182 extern cvar_t rcon_password;
1183 extern cvar_t rcon_address;
1185 extern cvar_t cl_upspeed;
1186 extern cvar_t cl_forwardspeed;
1187 extern cvar_t cl_backspeed;
1188 extern cvar_t cl_sidespeed;
1190 extern cvar_t cl_movespeedkey;
1192 extern cvar_t cl_yawspeed;
1193 extern cvar_t cl_pitchspeed;
1195 extern cvar_t cl_anglespeedkey;
1197 extern cvar_t cl_autofire;
1199 extern cvar_t cl_shownet;
1200 extern cvar_t cl_nolerp;
1201 extern cvar_t cl_nettimesyncfactor;
1202 extern cvar_t cl_nettimesyncboundmode;
1203 extern cvar_t cl_nettimesyncboundtolerance;
1205 extern cvar_t cl_pitchdriftspeed;
1206 extern cvar_t lookspring;
1207 extern cvar_t lookstrafe;
1208 extern cvar_t sensitivity;
1210 extern cvar_t freelook;
1212 extern cvar_t m_pitch;
1213 extern cvar_t m_yaw;
1214 extern cvar_t m_forward;
1215 extern cvar_t m_side;
1217 extern cvar_t cl_autodemo;
1218 extern cvar_t cl_autodemo_nameformat;
1220 extern cvar_t r_draweffects;
1222 extern cvar_t cl_explosions_alpha_start;
1223 extern cvar_t cl_explosions_alpha_end;
1224 extern cvar_t cl_explosions_size_start;
1225 extern cvar_t cl_explosions_size_end;
1226 extern cvar_t cl_explosions_lifetime;
1227 extern cvar_t cl_stainmaps;
1228 extern cvar_t cl_stainmaps_clearonload;
1230 extern cvar_t cl_prydoncursor;
1232 extern cvar_t cl_locs_enable;
1234 extern client_state_t cl;
1236 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);
1238 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1239 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1241 //=============================================================================
1247 void CL_Shutdown (void);
1248 void CL_Init (void);
1250 void CL_EstablishConnection(const char *host);
1252 void CL_Disconnect (void);
1253 void CL_Disconnect_f (void);
1255 void CL_UpdateRenderEntity(entity_render_t *ent);
1256 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1257 void CL_UpdateViewEntities(void);
1262 typedef struct kbutton_s
1264 int down[2]; // key nums holding it down
1265 int state; // low bit is down state
1269 extern kbutton_t in_mlook, in_klook;
1270 extern kbutton_t in_strafe;
1271 extern kbutton_t in_speed;
1273 void CL_InitInput (void);
1274 void CL_SendMove (void);
1276 void CL_ValidateState(entity_state_t *s);
1277 void CL_MoveLerpEntityStates(entity_t *ent);
1278 void CL_LerpUpdate(entity_t *e);
1279 void CL_ParseTEnt (void);
1280 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1281 void CL_RelinkBeams (void);
1282 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1283 void CL_ClientMovement_Replay(void);
1285 void CL_ClearTempEntities (void);
1286 entity_render_t *CL_NewTempEntity (double shadertime);
1288 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1290 void CL_ClearState (void);
1291 void CL_ExpandEntities(int num);
1292 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1295 void CL_UpdateWorld (void);
1296 void CL_WriteToServer (void);
1297 void CL_Input (void);
1298 extern int cl_ignoremousemoves;
1301 float CL_KeyState (kbutton_t *key);
1302 const char *Key_KeynumToString (int keynum);
1303 int Key_StringToKeynum (const char *str);
1308 void CL_StopPlayback(void);
1309 void CL_ReadDemoMessage(void);
1310 void CL_WriteDemoMessage(sizebuf_t *mesage);
1312 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1313 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1315 void CL_NextDemo(void);
1316 void CL_Stop_f(void);
1317 void CL_Record_f(void);
1318 void CL_PlayDemo_f(void);
1319 void CL_TimeDemo_f(void);
1324 void CL_Parse_Init(void);
1325 void CL_Parse_Shutdown(void);
1326 void CL_ParseServerMessage(void);
1327 void CL_Parse_DumpPacket(void);
1328 void CL_Parse_ErrorCleanUp(void);
1329 void QW_CL_StartUpload(unsigned char *data, int size);
1330 extern cvar_t qport;
1331 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1336 void V_StartPitchDrift (void);
1337 void V_StopPitchDrift (void);
1340 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1341 void V_UpdateBlends (void);
1342 void V_ParseDamage (void);
1348 extern cvar_t cl_particles;
1349 extern cvar_t cl_particles_quality;
1350 extern cvar_t cl_particles_size;
1351 extern cvar_t cl_particles_quake;
1352 extern cvar_t cl_particles_blood;
1353 extern cvar_t cl_particles_blood_alpha;
1354 extern cvar_t cl_particles_blood_bloodhack;
1355 extern cvar_t cl_particles_bulletimpacts;
1356 extern cvar_t cl_particles_explosions_sparks;
1357 extern cvar_t cl_particles_explosions_shell;
1358 extern cvar_t cl_particles_rain;
1359 extern cvar_t cl_particles_snow;
1360 extern cvar_t cl_particles_smoke;
1361 extern cvar_t cl_particles_smoke_alpha;
1362 extern cvar_t cl_particles_smoke_alphafade;
1363 extern cvar_t cl_particles_sparks;
1364 extern cvar_t cl_particles_bubbles;
1365 extern cvar_t cl_decals;
1366 extern cvar_t cl_decals_time;
1367 extern cvar_t cl_decals_fadetime;
1369 void CL_Particles_Clear(void);
1370 void CL_Particles_Init(void);
1371 void CL_Particles_Shutdown(void);
1372 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);
1374 typedef enum effectnameindex_s
1378 EFFECT_TE_GUNSHOTQUAD,
1380 EFFECT_TE_SPIKEQUAD,
1381 EFFECT_TE_SUPERSPIKE,
1382 EFFECT_TE_SUPERSPIKEQUAD,
1384 EFFECT_TE_KNIGHTSPIKE,
1385 EFFECT_TE_EXPLOSION,
1386 EFFECT_TE_EXPLOSIONQUAD,
1387 EFFECT_TE_TAREXPLOSION,
1389 EFFECT_TE_LAVASPLASH,
1390 EFFECT_TE_SMALLFLASH,
1395 EFFECT_TE_PLASMABURN,
1397 EFFECT_TE_TEI_SMOKE,
1398 EFFECT_TE_TEI_BIGEXPLOSION,
1399 EFFECT_TE_TEI_PLASMAHIT,
1405 EFFECT_TR_SLIGHTBLOOD,
1406 EFFECT_TR_KNIGHTSPIKE,
1407 EFFECT_TR_VORESPIKE,
1408 EFFECT_TR_NEHAHRASMOKE,
1409 EFFECT_TR_NEXUIZPLASMA,
1410 EFFECT_TR_GLOWTRAIL,
1411 EFFECT_SVC_PARTICLE,
1416 int CL_ParticleEffectIndexForName(const char *name);
1417 const char *CL_ParticleEffectNameForIndex(int i);
1418 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);
1419 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);
1420 void CL_ParseParticleEffect (void);
1421 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);
1422 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1423 void CL_EntityParticles (const entity_t *ent);
1424 void CL_ParticleExplosion (const vec3_t org);
1425 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1426 void R_NewExplosion(const vec3_t org);
1428 void Debug_PolygonBegin(const char *picname, int flags);
1429 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1430 void Debug_PolygonEnd(void);
1432 #include "cl_screen.h"
1434 extern qboolean sb_showscores;
1436 float RSurf_FogVertex(const vec3_t p);
1437 float RSurf_FogPoint(const vec3_t p);
1439 typedef struct r_refdef_stats_s
1443 int entities_surfaces;
1444 int entities_triangles;
1448 int world_triangles;
1449 int lightmapupdates;
1450 int lightmapupdatepixels;
1454 int meshes_elements;
1457 int lights_scissored;
1458 int lights_lighttriangles;
1459 int lights_shadowtriangles;
1460 int lights_dynamicshadowtriangles;
1462 int bloom_copypixels;
1463 int bloom_drawpixels;
1467 typedef enum r_viewport_type_e
1469 R_VIEWPORTTYPE_ORTHO,
1470 R_VIEWPORTTYPE_PERSPECTIVE,
1471 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1472 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1473 R_VIEWPORTTYPE_TOTAL
1477 typedef struct r_viewport_s
1480 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1481 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1482 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1489 r_viewport_type_t type;
1493 typedef struct r_refdef_view_s
1495 // view information (changes multiple times per frame)
1496 // if any of these variables change then r_refdef.viewcache must be regenerated
1497 // by calling R_View_Update
1498 // (which also updates viewport, scissor, colormask)
1500 // it is safe and expected to copy this into a structure on the stack and
1501 // call the renderer recursively, then restore from the stack afterward
1502 // (as long as R_View_Update is called)
1504 // eye position information
1505 matrix4x4_t matrix, inverse_matrix;
1511 int numfrustumplanes;
1512 mplane_t frustum[6];
1513 qboolean useclipplane;
1514 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1516 float frustum_x, frustum_y;
1517 vec3_t frustumcorner[4];
1518 // if turned off it renders an ortho view
1520 float ortho_x, ortho_y;
1522 // screen area to render in
1529 r_viewport_t viewport;
1531 // which color components to allow (for anaglyph glasses)
1534 // global RGB color multiplier for rendering, this is required by HDR
1537 // whether to call R_ClearScreen before rendering stuff
1539 // if true, don't clear or do any post process effects (bloom, etc)
1542 // whether to draw r_showtris and such, this is only true for the main
1543 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1544 // distortion effects, etc) omit such debugging information
1547 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1551 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1556 typedef struct r_refdef_viewcache_s
1558 // updated by gl_main_newmap()
1560 int world_numclusters;
1562 int world_numsurfaces;
1564 // these properties are generated by R_View_Update()
1566 // which entities are currently visible for this viewpoint
1567 // (the used range is 0...r_refdef.scene.numentities)
1568 unsigned char *entityvisible;
1570 // flag arrays used for visibility checking on world model
1571 // (all other entities have no per-surface/per-leaf visibility checks)
1572 unsigned char *world_pvsbits;
1573 unsigned char *world_leafvisible;
1574 unsigned char *world_surfacevisible;
1575 // if true, the view is currently in a leaf without pvs data
1576 qboolean world_novis;
1578 r_refdef_viewcache_t;
1580 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1581 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1582 typedef struct r_refdef_scene_s {
1583 // whether to call S_ExtraUpdate during render to reduce sound chop
1584 qboolean extraupdate;
1586 // (client gameworld) time for rendering time based effects
1590 entity_render_t *worldentity;
1592 // same as worldentity->model
1593 dp_model_t *worldmodel;
1595 // renderable entities (excluding world)
1596 entity_render_t **entities;
1600 // field of temporary entities that is reset each (client) frame
1601 entity_render_t *tempentities;
1602 int numtempentities;
1603 int maxtempentities;
1605 // renderable dynamic lights
1606 rtlight_t *lights[MAX_DLIGHTS];
1607 rtlight_t templights[MAX_DLIGHTS];
1610 // intensities for light styles right now, controls rtlights
1611 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1612 // 8.8bit fixed point intensities for light styles
1613 // controls intensity lightmap layers
1614 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1619 qboolean rtworldshadows;
1621 qboolean rtdlightshadows;
1624 typedef struct r_refdef_s
1626 // these fields define the basic rendering information for the world
1627 // but not the view, which could change multiple times in one rendered
1628 // frame (for example when rendering textures for certain effects)
1630 // these are set for water warping before
1631 // frustum_x/frustum_y are calculated
1632 float frustumscale_x, frustumscale_y;
1634 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1635 r_refdef_view_t view;
1636 r_refdef_viewcache_t viewcache;
1638 // minimum visible distance (pixels closer than this disappear)
1640 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1641 // in 32bpp an infinite-farclip matrix is used instead)
1644 // fullscreen color blend
1647 r_refdef_scene_t scene;
1650 float fogplaneviewdist;
1651 qboolean fogplaneviewabove;
1652 float fogheightfade;
1655 float fograngerecip;
1656 float fogmasktabledistmultiplier;
1657 #define FOGMASKTABLEWIDTH 1024
1658 float fogmasktable[FOGMASKTABLEWIDTH];
1659 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1668 float fog_fadedepth;
1669 qboolean fogenabled;
1670 qboolean oldgl_fogenable;
1672 qboolean draw2dstage;
1674 // true during envmap command capture
1677 // brightness of world lightmaps and related lighting
1678 // (often reduced when world rtlights are enabled)
1679 float lightmapintensity;
1680 // whether to draw world lights realtime, dlights realtime, and their shadows
1681 float polygonfactor;
1682 float polygonoffset;
1683 float shadowpolygonfactor;
1684 float shadowpolygonoffset;
1686 // rendering stats for r_speeds display
1687 // (these are incremented in many places)
1688 r_refdef_stats_t stats;
1692 extern r_refdef_t r_refdef;