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 tridecal_s
40 // color and initial alpha value
41 unsigned char colors[3][4];
42 // alpha of this decal, starting at 1 (cl_decals_fadetime)
44 // timer before fade begins (cl_decals_time)
46 // if >= 0 this indicates the decal should follow an animated triangle
51 typedef struct decalsystem_s
53 double lastupdatetime;
62 unsigned short *element3s;
66 typedef struct effect_s
75 // these are for interpolation
85 // draw this as lightning polygons, or a model?
87 struct model_s *model;
93 typedef struct rtlight_s
95 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
97 // note that the world to light matrices are inversely scaled (divided) by lightradius
100 /// matrix for transforming light filter coordinates to world coordinates
101 matrix4x4_t matrix_lighttoworld;
102 /// matrix for transforming world coordinates to light filter coordinates
103 matrix4x4_t matrix_worldtolight;
104 /// typically 1 1 1, can be lower (dim) or higher (overbright)
106 /// size of the light (remove?)
109 char cubemapname[64];
110 /// light style to monitor for brightness
112 /// whether light should render shadows
114 /// intensity of corona to render
116 /// radius scale of corona to render (1.0 means same as light radius)
117 vec_t coronasizescale;
118 /// ambient intensity to render
120 /// diffuse intensity to render
122 /// specular intensity to render
124 /// LIGHTFLAG_* flags
127 // generated properties
128 /// used only for shadow volumes
135 // squared cullradius
138 // rendering properties, updated each time a light is rendered
139 // this is rtlight->color * d_lightstylevalue
141 /// used by corona updates, due to occlusion query
142 float corona_visibility;
143 unsigned int corona_queryindex_visiblepixels;
144 unsigned int corona_queryindex_allpixels;
145 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
146 rtexture_t *currentcubemap;
148 /// static light info
149 /// true if this light should be compiled as a static light
151 /// true if this is a compiled world light, cleared if the light changes
153 /// the shadowing mode used to compile this light
155 /// premade shadow volumes to render for world entity
156 shadowmesh_t *static_meshchain_shadow_zpass;
157 shadowmesh_t *static_meshchain_shadow_zfail;
158 shadowmesh_t *static_meshchain_shadow_shadowmap;
159 /// used for visibility testing (more exact than bbox)
161 int static_numleafpvsbytes;
162 int *static_leaflist;
163 unsigned char *static_leafpvs;
164 /// surfaces seen by light
165 int static_numsurfaces;
166 int *static_surfacelist;
167 /// flag bits indicating which triangles of the world model should cast
168 /// shadows, and which ones should be lit
170 /// this avoids redundantly scanning the triangles in each surface twice
171 /// for whether they should cast shadows, once in culling and once in the
172 /// actual shadowmarklist production.
173 int static_numshadowtrispvsbytes;
174 unsigned char *static_shadowtrispvs;
175 /// this allows the lighting batch code to skip backfaces andother culled
176 /// triangles not relevant for lighting
177 /// (important on big surfaces such as terrain)
178 int static_numlighttrispvsbytes;
179 unsigned char *static_lighttrispvs;
180 /// masks of all shadowmap sides that have any potential static receivers or casters
181 int static_shadowmap_receivers;
182 int static_shadowmap_casters;
186 typedef struct dlight_s
188 // destroy light after this time
191 // the entity that owns this light (can be NULL)
193 struct entity_render_s *ent;
195 // (worldlight: saved to .rtlights file)
197 // worldlight orientation
199 // (worldlight: saved to .rtlights file)
201 // dlight orientation/scaling/location
205 // (worldlight: saved to .rtlights file)
207 // cubemap name to use on this light
208 // (worldlight: saved to .rtlights file)
209 char cubemapname[64];
210 // make light flash while selected
213 // brightness (not really radius anymore)
214 // (worldlight: saved to .rtlights file)
216 // drop intensity this much each second
219 // intensity value which is dropped over time
222 // initial values for intensity to modify
226 // light style which controls intensity of this light
227 // (worldlight: saved to .rtlights file)
230 // (worldlight: saved to .rtlights file)
233 // (worldlight: saved to .rtlights file)
235 // radius scale of corona to render (1.0 means same as light radius)
236 // (worldlight: saved to .rtlights file)
237 vec_t coronasizescale;
238 // ambient intensity to render
239 // (worldlight: saved to .rtlights file)
241 // diffuse intensity to render
242 // (worldlight: saved to .rtlights file)
244 // specular intensity to render
245 // (worldlight: saved to .rtlights file)
248 // (worldlight: saved to .rtlights file)
250 // linked list of world lights
252 struct dlight_s *next;
253 // embedded rtlight struct for renderer
259 #define MAX_FRAMEGROUPBLENDS 4
260 typedef struct framegroupblend_s
262 // animation number and blend factor
263 // (for most models this is the frame number)
266 // time frame began playing (for framegroup animations)
271 // this is derived from processing of the framegroupblend array
272 // note: technically each framegroupblend can produce two of these, but that
273 // never happens in practice because no one blends between more than 2
274 // framegroups at once
275 #define MAX_FRAMEBLENDS MAX_FRAMEGROUPBLENDS
276 typedef struct frameblend_s
283 // LordHavoc: this struct is intended for the renderer but some fields are
284 // used by the client.
286 // The renderer should not rely on any changes to this struct to be persistent
287 // across multiple frames because temp entities are wiped every frame, but it
288 // is acceptable to cache things in this struct that are not critical.
290 // For example the r_cullentities_trace code does such caching.
291 typedef struct entity_render_s
297 // transform matrix for model to world
299 // transform matrix for world to model
300 matrix4x4_t inversematrix;
301 // opacity (alpha) of the model
303 // size the model is shown
305 // transparent sorting offset
306 float transparent_offset;
310 // number of the entity represents, or 0 for non-network entities
312 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
313 vec3_t colormap_pantscolor;
314 vec3_t colormap_shirtcolor;
315 // light, particles, etc
317 // qw CTF flags and other internal-use-only effect bits
324 // colormod tinting of models
328 // interpolated animation - active framegroups and blend factors
329 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
331 // time of last model change (for shader animations)
334 // calculated by the renderer (but not persistent)
336 // calculated during R_AddModelEntities
338 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
339 frameblend_t frameblend[MAX_FRAMEBLENDS];
341 // animation cache index
344 // current lighting from map (updated ONLY by client code, not renderer)
345 vec3_t modellight_ambient;
346 vec3_t modellight_diffuse; // q3bsp
347 vec3_t modellight_lightdir; // q3bsp
349 // storage of decals on this entity
350 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
352 decalsystem_t decalsystem;
354 // FIELDS UPDATED BY RENDERER:
355 // last time visible during trace culling
356 double last_trace_visibility;
360 typedef struct entity_persistent_s
366 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
368 // muzzleflash fading
371 // interpolated movement
373 // start time of move
375 // time difference from start to end of move
377 // the move itself, start and end
385 typedef struct entity_s
387 // baseline state (default values)
388 entity_state_t state_baseline;
389 // previous state (interpolating from this)
390 entity_state_t state_previous;
391 // current state (interpolating to this)
392 entity_state_t state_current;
394 // used for regenerating parts of render
395 entity_persistent_t persistent;
397 // the only data the renderer should know about
398 entity_render_t render;
402 typedef struct usercmd_s
406 // intended velocities
411 vec3_t cursor_screen;
414 vec3_t cursor_impact;
415 vec3_t cursor_normal;
416 vec_t cursor_fraction;
417 int cursor_entitynumber;
419 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
420 double receivetime; // time the move was received at
421 double clienttime; // time to which server state the move corresponds to
422 int msec; // for predicted moves
426 qboolean applied; // if false we're still accumulating a move
427 qboolean predicted; // if true the sequence should be sent as 0
429 // derived properties
436 typedef struct lightstyle_s
439 char map[MAX_STYLESTRING];
442 typedef struct scoreboard_s
444 char name[MAX_SCOREBOARDNAME];
446 int colors; // two 4 bit fields
449 char qw_userinfo[MAX_USERINFO_STRING];
455 char qw_skin[MAX_QPATH];
458 typedef struct cshift_s
461 float percent; // 0-255
462 float alphafade; // (any speed)
465 #define CSHIFT_CONTENTS 0
466 #define CSHIFT_DAMAGE 1
467 #define CSHIFT_BONUS 2
468 #define CSHIFT_POWERUP 3
469 #define CSHIFT_VCSHIFT 4
470 #define NUM_CSHIFTS 5
472 #define NAME_LENGTH 64
476 // client_state_t should hold all pieces of the client state
479 #define SIGNONS 4 // signon messages to receive before connected
482 #define MAX_DEMONAME 16
484 typedef enum cactive_e
486 ca_uninitialized, // during early startup
487 ca_dedicated, // a dedicated server with no ability to start a client
488 ca_disconnected, // full screen console with no connection
489 ca_connected // valid netcon, talking to a server
493 typedef enum qw_downloadtype_e
503 typedef enum capturevideoformat_e
505 CAPTUREVIDEOFORMAT_AVI_I420,
506 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
508 capturevideoformat_t;
510 typedef struct capturevideostate_s
512 double startrealtime;
525 int soundsampleframe;
526 unsigned char *screenbuffer;
527 unsigned char *outbuffer;
528 char basename[MAX_QPATH];
531 // precomputed RGB to YUV tables
532 // converts the RGB values to YUV (see cap_avi.c for how to use them)
533 short rgbtoyuvscaletable[3][3][256];
534 unsigned char yuvnormalizetable[3][256];
536 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
537 // 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
538 unsigned short vidramp[256 * 3];
540 // stuff to be filled in by the video format module
541 capturevideoformat_t format;
542 const char *formatextension;
545 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
546 void (*endvideo) (void);
547 void (*videoframes) (int num);
548 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
550 // format specific data
551 void *formatspecific;
555 #define CL_MAX_DOWNLOADACKS 4
557 typedef struct cl_downloadack_s
563 typedef struct cl_soundstats_s
567 int latency_milliseconds;
572 // the client_static_t structure is persistent through an arbitrary number
573 // of server connections
575 typedef struct client_static_s
579 // all client memory allocations go in these pools
580 mempool_t *levelmempool;
581 mempool_t *permanentmempool;
584 // -1 = don't play demos
586 // list of demos in loop
587 char demos[MAX_DEMOS][MAX_DEMONAME];
588 // the actively playing demo (set by CL_PlayDemo_f)
589 char demoname[MAX_QPATH];
591 // demo recording info must be here, because record is started before
592 // entering a map (and clearing client_state_t)
593 qboolean demorecording;
594 fs_offset_t demo_lastcsprogssize;
595 int demo_lastcsprogscrc;
596 qboolean demoplayback;
598 // -1 = use normal cd track
601 // realtime at second frame of timedemo (LordHavoc: changed to double)
603 int td_frames; // total frames parsed
604 double td_onesecondnexttime;
605 double td_onesecondframes;
606 double td_onesecondrealtime;
607 double td_onesecondminfps;
608 double td_onesecondmaxfps;
609 double td_onesecondavgfps;
610 int td_onesecondavgcount;
611 // LordHavoc: pausedemo
614 // sound mixer statistics for showsound display
615 cl_soundstats_t soundstats;
617 qboolean connect_trying;
618 int connect_remainingtries;
619 double connect_nextsendtime;
620 lhnetsocket_t *connect_mysocket;
621 lhnetaddress_t connect_address;
622 // protocol version of the server we're connected to
623 // (kept outside client_state_t because it's used between levels)
624 protocolversion_t protocol;
628 lhnetaddress_t rcon_addresses[MAX_RCONS];
629 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
630 double rcon_timeout[MAX_RCONS];
633 // connection information
636 // network connection
639 // download information
640 // (note: qw_download variables are also used)
641 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
643 // input sequence numbers are not reset on level change, only connect
645 int servermovesequence;
647 // quakeworld stuff below
649 // value of "qport" cvar at time of connection
651 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
652 int qw_incoming_sequence;
653 int qw_outgoing_sequence;
655 // current file download buffer (only saved when file is completed)
656 char qw_downloadname[MAX_QPATH];
657 unsigned char *qw_downloadmemory;
658 int qw_downloadmemorycursize;
659 int qw_downloadmemorymaxsize;
660 int qw_downloadnumber;
661 int qw_downloadpercent;
662 qw_downloadtype_t qw_downloadtype;
663 // transfer rate display
664 double qw_downloadspeedtime;
665 int qw_downloadspeedcount;
666 int qw_downloadspeedrate;
667 qboolean qw_download_deflate;
669 // current file upload buffer (for uploading screenshots to server)
670 unsigned char *qw_uploaddata;
675 // this normally contains the following keys in quakeworld:
676 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
677 char userinfo[MAX_USERINFO_STRING];
679 // video capture stuff
680 capturevideostate_t capturevideo;
684 extern client_static_t cls;
686 typedef struct client_movementqueue_s
697 client_movementqueue_t;
703 qboolean drawenginesbar;
704 qboolean drawcrosshair;
709 PARTICLE_BILLBOARD = 0,
711 PARTICLE_ORIENTED_DOUBLESIDED = 2,
714 PARTICLE_INVALID = -1
727 typedef struct particletype_s
730 porientation_t orientation;
737 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
741 typedef struct decal_s
743 // fields used by rendering: (44 bytes)
744 unsigned short typeindex;
745 unsigned short texnum;
749 float alpha; // 0-255
750 unsigned char color[3];
751 unsigned char unused1;
752 int clusterindex; // cheap culling by pvs
754 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
755 float time2; // used for decal fade
756 unsigned int owner; // decal stuck to this entity
757 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
758 vec3_t relativeorigin; // decal at this location in entity's coordinate space
759 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
763 typedef struct particle_s
765 // fields used by rendering: (40 bytes)
766 unsigned char typeindex;
768 porientation_t orientation;
769 unsigned char texnum;
771 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
773 float alpha; // 0-255
774 unsigned char color[3];
775 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
776 float stretch; // only for sparks
778 signed char staintexnum;
779 float stainsizefactor;
781 // fields not used by rendering: (40 bytes)
782 float sizeincrease; // rate of size change per second
783 float alphafade; // how much alpha reduces per second
784 float time2; // used for snow fluttering and decal fade
785 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)
786 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
787 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
788 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
789 float delayedcollisions; // time that p->bounce becomes active
790 float delayedspawn; // time that particle appears and begins moving
791 float die; // time when this particle should be removed, regardless of alpha
795 typedef enum cl_parsingtextmode_e
797 CL_PARSETEXTMODE_NONE,
798 CL_PARSETEXTMODE_PING,
799 CL_PARSETEXTMODE_STATUS,
800 CL_PARSETEXTMODE_STATUS_PLAYERID,
801 CL_PARSETEXTMODE_STATUS_PLAYERIP
803 cl_parsingtextmode_t;
805 typedef struct cl_locnode_s
807 struct cl_locnode_s *next;
813 typedef struct showlmp_s
824 // the client_state_t structure is wiped completely at every
827 typedef struct client_state_s
829 // true if playing in a local game and no one else is connected
832 // send a clc_nop periodically until connected
835 // current input being accumulated by mouse/joystick/etc input
837 // latest moves sent to the server that have not been confirmed yet
838 usercmd_t movecmd[CL_MAX_USERCMDS];
840 // information for local display
842 int stats[MAX_CL_STATS];
843 float *statsf; // points to stats[] array
844 // last known inventory bit flags, for blinking
846 // cl.time of acquiring item, for blinking
847 float item_gettime[32];
848 // last known STAT_ACTIVEWEAPON
850 // cl.time of changing STAT_ACTIVEWEAPON
852 // use pain anim frame if cl.time < this
854 // for stair smoothing
856 double stairsmoothtime;
858 // color shifts for damage, powerups
859 cshift_t cshifts[NUM_CSHIFTS];
861 cshift_t prev_cshifts[NUM_CSHIFTS];
863 // the client maintains its own idea of view angles, which are
864 // sent to the server each frame. The server sets punchangle when
865 // the view is temporarily offset, and an angle reset commands at the start
866 // of each level and after teleporting.
868 // mviewangles is read from demo
869 // viewangles is either client controlled or lerped from mviewangles
870 vec3_t mviewangles[2], viewangles;
871 // update by server, used by qc to do weapon recoil
872 vec3_t mpunchangle[2], punchangle;
873 // update by server, can be used by mods to kick view around
874 vec3_t mpunchvector[2], punchvector;
875 // update by server, used for lean+bob (0 is newest)
876 vec3_t mvelocity[2], velocity;
877 // update by server, can be used by mods for zooming
878 vec_t mviewzoom[2], viewzoom;
879 // if true interpolation the mviewangles and other interpolation of the
880 // player is disabled until the next network packet
881 // this is used primarily by teleporters, and when spectating players
882 // special checking of the old fixangle[1] is used to differentiate
883 // between teleporting and spectating
884 qboolean fixangle[2];
886 // client movement simulation
887 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
888 // set by CL_ClientMovement_Replay functions
889 qboolean movement_predicted;
890 // if true the CL_ClientMovement_Replay function will update origin, etc
891 qboolean movement_replay;
892 // simulated data (this is valid even if cl.movement is false)
893 vec3_t movement_origin;
894 vec3_t movement_velocity;
895 // whether the replay should allow a jump at the first sequence
896 qboolean movement_replay_canjump;
898 // pitch drifting vars
905 //[515]: added for csqc purposes
906 float sensitivityscale;
907 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
908 qboolean csqc_wantsmousemove;
909 struct model_s *csqc_model_precache[MAX_MODELS];
911 // local amount for smoothing stepups
920 qboolean oldonground;
921 double lastongroundtime;
922 double hitgroundtime;
924 // don't change view angle, full screen, etc
926 // latched at intermission start
927 double completed_time;
929 // the timestamp of the last two messages
932 // clients view of time, time should be between mtime[0] and mtime[1] to
933 // generate a lerp point for other data, oldtime is the previous frame's
934 // value of time, frametime is the difference between time and oldtime
935 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
936 // is only forcefully limited when a packet is received
937 double time, oldtime;
938 // how long it has been since the previous client frame in real time
939 // (not game time, for that use cl.time - cl.oldtime)
940 double realframetime;
942 // fade var for fading while dead
945 // motionblur alpha level variable
946 float motionbluralpha;
948 // copy of realtime from last recieved message, for net trouble icon
949 float last_received_message;
951 // information that is static for the entire time connected to a server
952 struct model_s *model_precache[MAX_MODELS];
953 struct sfx_s *sound_precache[MAX_SOUNDS];
955 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
956 char model_name[MAX_MODELS][MAX_QPATH];
957 char sound_name[MAX_SOUNDS][MAX_QPATH];
959 // for display on solo scoreboard
961 // cl_entitites[cl.viewentity] = player
963 // the real player entity (normally same as viewentity,
964 // different than viewentity if mod uses chasecam or other tricks)
965 int realplayerentity;
966 // this is updated to match cl.viewentity whenever it is in the clients
967 // range, basically this is used in preference to cl.realplayerentity for
968 // most purposes because when spectating another player it should show
969 // their information rather than yours
971 // max players that can be in this game
973 // type of game (deathmatch, coop, singleplayer)
976 // models and sounds used by engine code (particularly cl_parse.c)
977 dp_model_t *model_bolt;
978 dp_model_t *model_bolt2;
979 dp_model_t *model_bolt3;
980 dp_model_t *model_beam;
982 sfx_t *sfx_knighthit;
988 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
989 qboolean foundtalk2wav;
991 // refresh related state
993 // cl_entitites[0].model
994 struct model_s *worldmodel;
1000 int cdtrack, looptrack;
1005 scoreboard_t *scores;
1007 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1008 cl_parsingtextmode_t parsingtextmode;
1009 int parsingtextplayerindex;
1010 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1011 // (which could eat the wrong ping report if the player issues one
1012 // manually, but they would still see a ping report, just a later one
1013 // caused by the scoreboard code rather than the one they intentionally
1015 int parsingtextexpectingpingforscores;
1017 // entity database stuff
1018 // latest received entity frame numbers
1019 #define LATESTFRAMENUMS 3
1020 int latestframenums[LATESTFRAMENUMS];
1021 entityframe_database_t *entitydatabase;
1022 entityframe4_database_t *entitydatabase4;
1023 entityframeqw_database_t *entitydatabaseqw;
1025 // keep track of quake entities because they need to be killed if they get stale
1026 int lastquakeentity;
1027 unsigned char isquakeentity[MAX_EDICTS];
1029 // bounding boxes for clientside movement
1030 vec3_t playerstandmins;
1031 vec3_t playerstandmaxs;
1032 vec3_t playercrouchmins;
1033 vec3_t playercrouchmaxs;
1036 int max_static_entities;
1041 int max_brushmodel_entities;
1047 unsigned char *entities_active;
1048 entity_t *static_entities;
1049 cl_effect_t *effects;
1052 lightstyle_t *lightstyle;
1053 int *brushmodel_entities;
1054 particle_t *particles;
1056 showlmp_t *showlmps;
1059 int num_static_entities;
1060 int num_brushmodel_entities;
1068 double particles_updatetime;
1069 double decals_updatetime;
1073 // cl_serverextension_download feature
1074 int loadmodel_current;
1075 int downloadmodel_current;
1076 int loadmodel_total;
1077 int loadsound_current;
1078 int downloadsound_current;
1079 int loadsound_total;
1080 qboolean downloadcsqc;
1083 qboolean loadfinished;
1087 // local copy of the server infostring
1088 char qw_serverinfo[MAX_SERVERINFO_STRING];
1090 // time of last qw "pings" command sent to server while showing scores
1091 double last_ping_request;
1093 // used during connect
1096 // updated from serverinfo
1099 // unused: indicates whether the player is spectating
1100 // use cl.scores[cl.playerentity-1].qw_spectator instead
1101 //qboolean qw_spectator;
1103 // last time an input packet was sent
1104 double lastpackettime;
1106 // movement parameters for client prediction
1107 unsigned int moveflags;
1108 float movevars_wallfriction;
1109 float movevars_waterfriction;
1110 float movevars_friction;
1111 float movevars_timescale;
1112 float movevars_gravity;
1113 float movevars_stopspeed;
1114 float movevars_maxspeed;
1115 float movevars_spectatormaxspeed;
1116 float movevars_accelerate;
1117 float movevars_airaccelerate;
1118 float movevars_wateraccelerate;
1119 float movevars_entgravity;
1120 float movevars_jumpvelocity;
1121 float movevars_edgefriction;
1122 float movevars_maxairspeed;
1123 float movevars_stepheight;
1124 float movevars_airaccel_qw;
1125 float movevars_airaccel_sideways_friction;
1126 float movevars_airstopaccelerate;
1127 float movevars_airstrafeaccelerate;
1128 float movevars_maxairstrafespeed;
1129 float movevars_aircontrol;
1130 float movevars_warsowbunny_airforwardaccel;
1131 float movevars_warsowbunny_accel;
1132 float movevars_warsowbunny_topspeed;
1133 float movevars_warsowbunny_turnaccel;
1134 float movevars_warsowbunny_backtosideratio;
1135 float movevars_ticrate;
1137 // models used by qw protocol
1138 int qw_modelindex_spike;
1139 int qw_modelindex_player;
1140 int qw_modelindex_flag;
1141 int qw_modelindex_s_explod;
1143 vec3_t qw_intermission_origin;
1144 vec3_t qw_intermission_angles;
1146 // 255 is the most nails the QW protocol could send
1148 vec_t qw_nails[255][6];
1150 float qw_weaponkick;
1152 int qw_validsequence;
1154 int qw_deltasequence[QW_UPDATE_BACKUP];
1157 // server entity number corresponding to a clientside entity
1158 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1159 qboolean csqc_loaded;
1162 qboolean csqc_usecsqclistener;
1163 matrix4x4_t csqc_listenermatrix;
1164 char csqc_printtextbuf[MAX_INPUTLINE];
1166 // collision culling data
1169 // loc file stuff (points and boxes describing locations in the level)
1170 cl_locnode_t *locnodes;
1171 // this is updated to cl.movement_origin whenever health is < 1
1172 // used by %d print in say/say_team messages if cl_locs_enable is on
1173 vec3_t lastdeathorigin;
1175 // processing buffer used by R_BuildLightMap, reallocated as needed,
1176 // freed on each level change
1177 size_t buildlightmapmemorysize;
1178 unsigned char *buildlightmapmemory;
1185 extern cvar_t cl_name;
1186 extern cvar_t cl_color;
1187 extern cvar_t cl_rate;
1188 extern cvar_t cl_pmodel;
1189 extern cvar_t cl_playermodel;
1190 extern cvar_t cl_playerskin;
1192 extern cvar_t rcon_password;
1193 extern cvar_t rcon_address;
1195 extern cvar_t cl_upspeed;
1196 extern cvar_t cl_forwardspeed;
1197 extern cvar_t cl_backspeed;
1198 extern cvar_t cl_sidespeed;
1200 extern cvar_t cl_movespeedkey;
1202 extern cvar_t cl_yawspeed;
1203 extern cvar_t cl_pitchspeed;
1205 extern cvar_t cl_anglespeedkey;
1207 extern cvar_t cl_autofire;
1209 extern cvar_t cl_shownet;
1210 extern cvar_t cl_nolerp;
1211 extern cvar_t cl_nettimesyncfactor;
1212 extern cvar_t cl_nettimesyncboundmode;
1213 extern cvar_t cl_nettimesyncboundtolerance;
1215 extern cvar_t cl_pitchdriftspeed;
1216 extern cvar_t lookspring;
1217 extern cvar_t lookstrafe;
1218 extern cvar_t sensitivity;
1220 extern cvar_t freelook;
1222 extern cvar_t m_pitch;
1223 extern cvar_t m_yaw;
1224 extern cvar_t m_forward;
1225 extern cvar_t m_side;
1227 extern cvar_t cl_autodemo;
1228 extern cvar_t cl_autodemo_nameformat;
1230 extern cvar_t r_draweffects;
1232 extern cvar_t cl_explosions_alpha_start;
1233 extern cvar_t cl_explosions_alpha_end;
1234 extern cvar_t cl_explosions_size_start;
1235 extern cvar_t cl_explosions_size_end;
1236 extern cvar_t cl_explosions_lifetime;
1237 extern cvar_t cl_stainmaps;
1238 extern cvar_t cl_stainmaps_clearonload;
1240 extern cvar_t cl_prydoncursor;
1242 extern cvar_t cl_locs_enable;
1244 extern client_state_t cl;
1246 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);
1248 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1249 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1251 //=============================================================================
1257 void CL_Shutdown (void);
1258 void CL_Init (void);
1260 void CL_EstablishConnection(const char *host);
1262 void CL_Disconnect (void);
1263 void CL_Disconnect_f (void);
1265 void CL_UpdateRenderEntity(entity_render_t *ent);
1266 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1267 void CL_UpdateViewEntities(void);
1272 typedef struct kbutton_s
1274 int down[2]; // key nums holding it down
1275 int state; // low bit is down state
1279 extern kbutton_t in_mlook, in_klook;
1280 extern kbutton_t in_strafe;
1281 extern kbutton_t in_speed;
1283 void CL_InitInput (void);
1284 void CL_SendMove (void);
1286 void CL_ValidateState(entity_state_t *s);
1287 void CL_MoveLerpEntityStates(entity_t *ent);
1288 void CL_LerpUpdate(entity_t *e);
1289 void CL_ParseTEnt (void);
1290 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1291 void CL_RelinkBeams (void);
1292 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1293 void CL_ClientMovement_Replay(void);
1295 void CL_ClearTempEntities (void);
1296 entity_render_t *CL_NewTempEntity (double shadertime);
1298 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1300 void CL_ClearState (void);
1301 void CL_ExpandEntities(int num);
1302 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1305 void CL_UpdateWorld (void);
1306 void CL_WriteToServer (void);
1307 void CL_Input (void);
1308 extern int cl_ignoremousemoves;
1311 float CL_KeyState (kbutton_t *key);
1312 const char *Key_KeynumToString (int keynum);
1313 int Key_StringToKeynum (const char *str);
1318 void CL_StopPlayback(void);
1319 void CL_ReadDemoMessage(void);
1320 void CL_WriteDemoMessage(sizebuf_t *mesage);
1322 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1323 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1325 void CL_NextDemo(void);
1326 void CL_Stop_f(void);
1327 void CL_Record_f(void);
1328 void CL_PlayDemo_f(void);
1329 void CL_TimeDemo_f(void);
1334 void CL_Parse_Init(void);
1335 void CL_Parse_Shutdown(void);
1336 void CL_ParseServerMessage(void);
1337 void CL_Parse_DumpPacket(void);
1338 void CL_Parse_ErrorCleanUp(void);
1339 void QW_CL_StartUpload(unsigned char *data, int size);
1340 extern cvar_t qport;
1341 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1346 void V_StartPitchDrift (void);
1347 void V_StopPitchDrift (void);
1350 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1351 void V_UpdateBlends (void);
1352 void V_ParseDamage (void);
1358 extern cvar_t cl_particles;
1359 extern cvar_t cl_particles_quality;
1360 extern cvar_t cl_particles_size;
1361 extern cvar_t cl_particles_quake;
1362 extern cvar_t cl_particles_blood;
1363 extern cvar_t cl_particles_blood_alpha;
1364 extern cvar_t cl_particles_blood_bloodhack;
1365 extern cvar_t cl_particles_bulletimpacts;
1366 extern cvar_t cl_particles_explosions_sparks;
1367 extern cvar_t cl_particles_explosions_shell;
1368 extern cvar_t cl_particles_rain;
1369 extern cvar_t cl_particles_snow;
1370 extern cvar_t cl_particles_smoke;
1371 extern cvar_t cl_particles_smoke_alpha;
1372 extern cvar_t cl_particles_smoke_alphafade;
1373 extern cvar_t cl_particles_sparks;
1374 extern cvar_t cl_particles_bubbles;
1375 extern cvar_t cl_decals;
1376 extern cvar_t cl_decals_time;
1377 extern cvar_t cl_decals_fadetime;
1379 void CL_Particles_Clear(void);
1380 void CL_Particles_Init(void);
1381 void CL_Particles_Shutdown(void);
1382 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);
1384 typedef enum effectnameindex_s
1388 EFFECT_TE_GUNSHOTQUAD,
1390 EFFECT_TE_SPIKEQUAD,
1391 EFFECT_TE_SUPERSPIKE,
1392 EFFECT_TE_SUPERSPIKEQUAD,
1394 EFFECT_TE_KNIGHTSPIKE,
1395 EFFECT_TE_EXPLOSION,
1396 EFFECT_TE_EXPLOSIONQUAD,
1397 EFFECT_TE_TAREXPLOSION,
1399 EFFECT_TE_LAVASPLASH,
1400 EFFECT_TE_SMALLFLASH,
1405 EFFECT_TE_PLASMABURN,
1407 EFFECT_TE_TEI_SMOKE,
1408 EFFECT_TE_TEI_BIGEXPLOSION,
1409 EFFECT_TE_TEI_PLASMAHIT,
1415 EFFECT_TR_SLIGHTBLOOD,
1416 EFFECT_TR_KNIGHTSPIKE,
1417 EFFECT_TR_VORESPIKE,
1418 EFFECT_TR_NEHAHRASMOKE,
1419 EFFECT_TR_NEXUIZPLASMA,
1420 EFFECT_TR_GLOWTRAIL,
1421 EFFECT_SVC_PARTICLE,
1426 int CL_ParticleEffectIndexForName(const char *name);
1427 const char *CL_ParticleEffectNameForIndex(int i);
1428 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);
1429 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);
1430 void CL_ParseParticleEffect (void);
1431 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);
1432 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1433 void CL_EntityParticles (const entity_t *ent);
1434 void CL_ParticleExplosion (const vec3_t org);
1435 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1436 void R_NewExplosion(const vec3_t org);
1438 void Debug_PolygonBegin(const char *picname, int flags);
1439 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1440 void Debug_PolygonEnd(void);
1442 #include "cl_screen.h"
1444 extern qboolean sb_showscores;
1446 float RSurf_FogVertex(const vec3_t p);
1447 float RSurf_FogPoint(const vec3_t p);
1449 typedef struct r_refdef_stats_s
1453 int entities_surfaces;
1454 int entities_triangles;
1458 int world_triangles;
1459 int lightmapupdates;
1460 int lightmapupdatepixels;
1464 int meshes_elements;
1467 int lights_scissored;
1468 int lights_lighttriangles;
1469 int lights_shadowtriangles;
1470 int lights_dynamicshadowtriangles;
1472 int bloom_copypixels;
1473 int bloom_drawpixels;
1477 typedef enum r_viewport_type_e
1479 R_VIEWPORTTYPE_ORTHO,
1480 R_VIEWPORTTYPE_PERSPECTIVE,
1481 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1482 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1483 R_VIEWPORTTYPE_TOTAL
1487 typedef struct r_viewport_s
1490 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1491 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1492 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1499 r_viewport_type_t type;
1503 typedef struct r_refdef_view_s
1505 // view information (changes multiple times per frame)
1506 // if any of these variables change then r_refdef.viewcache must be regenerated
1507 // by calling R_View_Update
1508 // (which also updates viewport, scissor, colormask)
1510 // it is safe and expected to copy this into a structure on the stack and
1511 // call the renderer recursively, then restore from the stack afterward
1512 // (as long as R_View_Update is called)
1514 // eye position information
1515 matrix4x4_t matrix, inverse_matrix;
1521 int numfrustumplanes;
1522 mplane_t frustum[6];
1523 qboolean useclipplane;
1524 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1526 float frustum_x, frustum_y;
1527 vec3_t frustumcorner[4];
1528 // if turned off it renders an ortho view
1530 float ortho_x, ortho_y;
1532 // screen area to render in
1539 r_viewport_t viewport;
1541 // which color components to allow (for anaglyph glasses)
1544 // global RGB color multiplier for rendering, this is required by HDR
1547 // whether to call R_ClearScreen before rendering stuff
1549 // if true, don't clear or do any post process effects (bloom, etc)
1552 // whether to draw r_showtris and such, this is only true for the main
1553 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1554 // distortion effects, etc) omit such debugging information
1557 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1561 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1566 typedef struct r_refdef_viewcache_s
1568 // these properties are generated by R_View_Update()
1570 // which entities are currently visible for this viewpoint
1571 // (the used range is 0...r_refdef.scene.numentities)
1572 unsigned char entityvisible[MAX_EDICTS];
1573 // flag arrays used for visibility checking on world model
1574 // (all other entities have no per-surface/per-leaf visibility checks)
1575 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1576 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1577 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1578 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1579 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1580 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1581 // if true, the view is currently in a leaf without pvs data
1582 qboolean world_novis;
1584 r_refdef_viewcache_t;
1586 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1587 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1588 typedef struct r_refdef_scene_s {
1589 // whether to call S_ExtraUpdate during render to reduce sound chop
1590 qboolean extraupdate;
1592 // (client gameworld) time for rendering time based effects
1596 entity_render_t *worldentity;
1598 // same as worldentity->model
1599 dp_model_t *worldmodel;
1601 // renderable entities (excluding world)
1602 entity_render_t **entities;
1606 // field of temporary entities that is reset each (client) frame
1607 entity_render_t *tempentities;
1608 int numtempentities;
1609 int maxtempentities;
1611 // renderable dynamic lights
1612 rtlight_t *lights[MAX_DLIGHTS];
1613 rtlight_t templights[MAX_DLIGHTS];
1616 // intensities for light styles right now, controls rtlights
1617 float rtlightstylevalue[256]; // float fraction of base light value
1618 // 8.8bit fixed point intensities for light styles
1619 // controls intensity lightmap layers
1620 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1625 qboolean rtworldshadows;
1627 qboolean rtdlightshadows;
1630 typedef struct r_refdef_s
1632 // these fields define the basic rendering information for the world
1633 // but not the view, which could change multiple times in one rendered
1634 // frame (for example when rendering textures for certain effects)
1636 // these are set for water warping before
1637 // frustum_x/frustum_y are calculated
1638 float frustumscale_x, frustumscale_y;
1640 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1641 r_refdef_view_t view;
1642 r_refdef_viewcache_t viewcache;
1644 // minimum visible distance (pixels closer than this disappear)
1646 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1647 // in 32bpp an infinite-farclip matrix is used instead)
1650 // fullscreen color blend
1653 r_refdef_scene_t scene;
1656 float fogplaneviewdist;
1657 qboolean fogplaneviewabove;
1658 float fogheightfade;
1661 float fograngerecip;
1662 float fogmasktabledistmultiplier;
1663 #define FOGMASKTABLEWIDTH 1024
1664 float fogmasktable[FOGMASKTABLEWIDTH];
1665 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1674 float fog_fadedepth;
1675 qboolean fogenabled;
1676 qboolean oldgl_fogenable;
1678 qboolean draw2dstage;
1680 // true during envmap command capture
1683 // brightness of world lightmaps and related lighting
1684 // (often reduced when world rtlights are enabled)
1685 float lightmapintensity;
1686 // whether to draw world lights realtime, dlights realtime, and their shadows
1687 float polygonfactor;
1688 float polygonoffset;
1689 float shadowpolygonfactor;
1690 float shadowpolygonoffset;
1692 // rendering stats for r_speeds display
1693 // (these are incremented in many places)
1694 r_refdef_stats_t stats;
1698 extern r_refdef_t r_refdef;