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 256
34 // flags for rtlight rendering
35 #define LIGHTFLAG_NORMALMODE 1
36 #define LIGHTFLAG_REALTIMEMODE 2
38 typedef struct effect_s
47 // these are for interpolation
57 // draw this as lightning polygons, or a model?
59 struct model_s *model;
65 typedef struct rtlight_s
67 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
69 // note that the world to light matrices are inversely scaled (divided) by lightradius
72 // matrix for transforming light filter coordinates to world coordinates
73 matrix4x4_t matrix_lighttoworld;
74 // matrix for transforming world coordinates to light filter coordinates
75 matrix4x4_t matrix_worldtolight;
76 // typically 1 1 1, can be lower (dim) or higher (overbright)
78 // size of the light (remove?)
82 // light style to monitor for brightness
84 // whether light should render shadows
86 // intensity of corona to render
88 // radius scale of corona to render (1.0 means same as light radius)
89 vec_t coronasizescale;
90 // ambient intensity to render
92 // diffuse intensity to render
94 // specular intensity to render
99 // generated properties
100 // used only for shadow volumes
107 // squared cullradius
110 // rendering properties, updated each time a light is rendered
111 // this is rtlight->color * d_lightstylevalue
113 // used by corona updates, due to occlusion query
114 float corona_visibility;
115 unsigned int corona_queryindex_visiblepixels;
116 unsigned int corona_queryindex_allpixels;
117 // this is R_Shadow_Cubemap(rtlight->cubemapname)
118 rtexture_t *currentcubemap;
121 // true if this light should be compiled as a static light
123 // true if this is a compiled world light, cleared if the light changes
125 // premade shadow volumes to render for world entity
126 shadowmesh_t *static_meshchain_shadow_zpass;
127 shadowmesh_t *static_meshchain_shadow_zfail;
128 // used for visibility testing (more exact than bbox)
130 int static_numleafpvsbytes;
131 int *static_leaflist;
132 unsigned char *static_leafpvs;
133 // surfaces seen by light
134 int static_numsurfaces;
135 int *static_surfacelist;
136 // flag bits indicating which triangles of the world model should cast
137 // shadows, and which ones should be lit
139 // this avoids redundantly scanning the triangles in each surface twice
140 // for whether they should cast shadows, once in culling and once in the
141 // actual shadowmarklist production.
142 int static_numshadowtrispvsbytes;
143 unsigned char *static_shadowtrispvs;
144 // this allows the lighting batch code to skip backfaces andother culled
145 // triangles not relevant for lighting
146 // (important on big surfaces such as terrain)
147 int static_numlighttrispvsbytes;
148 unsigned char *static_lighttrispvs;
152 typedef struct dlight_s
154 // destroy light after this time
157 // the entity that owns this light (can be NULL)
159 struct entity_render_s *ent;
161 // (worldlight: saved to .rtlights file)
163 // worldlight orientation
165 // (worldlight: saved to .rtlights file)
167 // dlight orientation/scaling/location
171 // (worldlight: saved to .rtlights file)
173 // cubemap name to use on this light
174 // (worldlight: saved to .rtlights file)
175 char cubemapname[64];
176 // make light flash while selected
179 // brightness (not really radius anymore)
180 // (worldlight: saved to .rtlights file)
182 // drop intensity this much each second
185 // intensity value which is dropped over time
188 // initial values for intensity to modify
192 // light style which controls intensity of this light
193 // (worldlight: saved to .rtlights file)
196 // (worldlight: saved to .rtlights file)
199 // (worldlight: saved to .rtlights file)
201 // radius scale of corona to render (1.0 means same as light radius)
202 // (worldlight: saved to .rtlights file)
203 vec_t coronasizescale;
204 // ambient intensity to render
205 // (worldlight: saved to .rtlights file)
207 // diffuse intensity to render
208 // (worldlight: saved to .rtlights file)
210 // specular intensity to render
211 // (worldlight: saved to .rtlights file)
214 // (worldlight: saved to .rtlights file)
216 // linked list of world lights
218 struct dlight_s *next;
219 // embedded rtlight struct for renderer
225 typedef struct frameblend_s
232 // LordHavoc: this struct is intended for the renderer but some fields are
233 // used by the client.
235 // The renderer should not rely on any changes to this struct to be persistent
236 // across multiple frames because temp entities are wiped every frame, but it
237 // is acceptable to cache things in this struct that are not critical.
239 // For example the r_cullentities_trace code does such caching.
240 typedef struct entity_render_s
246 // transform matrix for model to world
248 // transform matrix for world to model
249 matrix4x4_t inversematrix;
250 // opacity (alpha) of the model
252 // size the model is shown
257 // number of the entity represents, or 0 for non-network entities
259 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
260 vec3_t colormap_pantscolor;
261 vec3_t colormap_shirtcolor;
262 // light, particles, etc
264 // qw CTF flags and other internal-use-only effect bits
271 // colormod tinting of models
274 // interpolated animation
276 // frame that the model is interpolating from
278 // frame that the model is interpolating to
280 // interpolation factor, usually computed from frame2time
282 // time frame1 began playing (for framegroup animations)
284 // time frame2 began playing (for framegroup animations)
286 // time of last model change (for shader animations)
289 // calculated by the renderer (but not persistent)
291 // calculated during R_AddModelEntities
293 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
294 frameblend_t frameblend[4];
296 // current lighting from map (updated ONLY by client code, not renderer)
297 vec3_t modellight_ambient;
298 vec3_t modellight_diffuse; // q3bsp
299 vec3_t modellight_lightdir; // q3bsp
301 // FIELDS UPDATED BY RENDERER:
302 // last time visible during trace culling
303 double last_trace_visibility;
307 typedef struct entity_persistent_s
313 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
315 // muzzleflash fading
318 // interpolated movement
320 // start time of move
322 // time difference from start to end of move
324 // the move itself, start and end
332 typedef struct entity_s
334 // baseline state (default values)
335 entity_state_t state_baseline;
336 // previous state (interpolating from this)
337 entity_state_t state_previous;
338 // current state (interpolating to this)
339 entity_state_t state_current;
341 // used for regenerating parts of render
342 entity_persistent_t persistent;
344 // the only data the renderer should know about
345 entity_render_t render;
349 typedef struct usercmd_s
353 // intended velocities
358 vec3_t cursor_screen;
361 vec3_t cursor_impact;
362 vec3_t cursor_normal;
363 vec_t cursor_fraction;
364 int cursor_entitynumber;
366 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
367 double receivetime; // time the move was received at
368 double clienttime; // time to which server state the move corresponds to
369 int msec; // for predicted moves
373 qboolean applied; // if false we're still accumulating a move
374 qboolean predicted; // if true the sequence should be sent as 0
376 // derived properties
383 typedef struct lightstyle_s
386 char map[MAX_STYLESTRING];
389 typedef struct scoreboard_s
391 char name[MAX_SCOREBOARDNAME];
393 int colors; // two 4 bit fields
396 char qw_userinfo[MAX_USERINFO_STRING];
402 char qw_skin[MAX_QPATH];
405 typedef struct cshift_s
408 float percent; // 0-255
409 float alphafade; // (any speed)
412 #define CSHIFT_CONTENTS 0
413 #define CSHIFT_DAMAGE 1
414 #define CSHIFT_BONUS 2
415 #define CSHIFT_POWERUP 3
416 #define CSHIFT_VCSHIFT 4
417 #define NUM_CSHIFTS 5
419 #define NAME_LENGTH 64
423 // client_state_t should hold all pieces of the client state
426 #define SIGNONS 4 // signon messages to receive before connected
429 #define MAX_DEMONAME 16
431 typedef enum cactive_e
433 ca_uninitialized, // during early startup
434 ca_dedicated, // a dedicated server with no ability to start a client
435 ca_disconnected, // full screen console with no connection
436 ca_connected // valid netcon, talking to a server
440 typedef enum qw_downloadtype_e
450 typedef enum capturevideoformat_e
452 CAPTUREVIDEOFORMAT_AVI_I420,
453 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
455 capturevideoformat_t;
457 typedef struct capturevideostate_s
459 double startrealtime;
470 int soundsampleframe;
471 unsigned char *screenbuffer;
472 unsigned char *outbuffer;
473 char basename[MAX_QPATH];
476 // precomputed RGB to YUV tables
477 // converts the RGB values to YUV (see cap_avi.c for how to use them)
478 short rgbtoyuvscaletable[3][3][256];
479 unsigned char yuvnormalizetable[3][256];
481 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
482 // 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
483 unsigned short vidramp[256 * 3];
485 // stuff to be filled in by the video format module
486 capturevideoformat_t format;
487 const char *formatextension;
490 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
492 void (*videoframes) (int num);
493 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
495 // format specific data
496 void *formatspecific;
500 #define CL_MAX_DOWNLOADACKS 4
502 typedef struct cl_downloadack_s
508 typedef struct cl_soundstats_s
512 int latency_milliseconds;
517 // the client_static_t structure is persistent through an arbitrary number
518 // of server connections
520 typedef struct client_static_s
524 // all client memory allocations go in these pools
525 mempool_t *levelmempool;
526 mempool_t *permanentmempool;
529 // -1 = don't play demos
531 // list of demos in loop
532 char demos[MAX_DEMOS][MAX_DEMONAME];
533 // the actively playing demo (set by CL_PlayDemo_f)
534 char demoname[MAX_QPATH];
536 // demo recording info must be here, because record is started before
537 // entering a map (and clearing client_state_t)
538 qboolean demorecording;
539 fs_offset_t demo_lastcsprogssize;
540 int demo_lastcsprogscrc;
541 qboolean demoplayback;
543 // -1 = use normal cd track
546 // realtime at second frame of timedemo (LordHavoc: changed to double)
548 int td_frames; // total frames parsed
549 double td_onesecondnexttime;
550 double td_onesecondframes;
551 double td_onesecondrealtime;
552 double td_onesecondminfps;
553 double td_onesecondmaxfps;
554 double td_onesecondavgfps;
555 int td_onesecondavgcount;
556 // LordHavoc: pausedemo
559 // sound mixer statistics for showsound display
560 cl_soundstats_t soundstats;
562 qboolean connect_trying;
563 int connect_remainingtries;
564 double connect_nextsendtime;
565 lhnetsocket_t *connect_mysocket;
566 lhnetaddress_t connect_address;
567 // protocol version of the server we're connected to
568 // (kept outside client_state_t because it's used between levels)
569 protocolversion_t protocol;
571 // connection information
574 // network connection
577 // download information
578 // (note: qw_download variables are also used)
579 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
581 // input sequence numbers are not reset on level change, only connect
583 int servermovesequence;
585 // quakeworld stuff below
587 // value of "qport" cvar at time of connection
589 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
590 int qw_incoming_sequence;
591 int qw_outgoing_sequence;
593 // current file download buffer (only saved when file is completed)
594 char qw_downloadname[MAX_QPATH];
595 unsigned char *qw_downloadmemory;
596 int qw_downloadmemorycursize;
597 int qw_downloadmemorymaxsize;
598 int qw_downloadnumber;
599 int qw_downloadpercent;
600 qw_downloadtype_t qw_downloadtype;
601 // transfer rate display
602 double qw_downloadspeedtime;
603 int qw_downloadspeedcount;
604 int qw_downloadspeedrate;
605 qboolean qw_download_deflate;
607 // current file upload buffer (for uploading screenshots to server)
608 unsigned char *qw_uploaddata;
613 // this normally contains the following keys in quakeworld:
614 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
615 char userinfo[MAX_USERINFO_STRING];
617 // video capture stuff
618 capturevideostate_t capturevideo;
622 extern client_static_t cls;
624 typedef struct client_movementqueue_s
635 client_movementqueue_t;
641 qboolean drawenginesbar;
642 qboolean drawcrosshair;
647 PARTICLE_BILLBOARD = 0,
649 PARTICLE_ORIENTED_DOUBLESIDED = 2,
651 PARTICLE_INVALID = -1
664 typedef struct particletype_s
667 porientation_t orientation;
674 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
678 typedef struct decal_s
680 // fields used by rendering: (44 bytes)
681 unsigned short typeindex;
682 unsigned short texnum;
686 float alpha; // 0-255
687 unsigned char color[3];
688 unsigned char unused1;
689 int clusterindex; // cheap culling by pvs
691 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
692 float time2; // used for decal fade
693 unsigned int owner; // decal stuck to this entity
694 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
695 vec3_t relativeorigin; // decal at this location in entity's coordinate space
696 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
700 typedef struct particle_s
702 // fields used by rendering: (40 bytes)
703 unsigned char typeindex;
705 porientation_t orientation;
706 unsigned char texnum;
708 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
710 float alpha; // 0-255
711 unsigned char color[3];
712 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
713 float stretch; // only for sparks
715 // fields not used by rendering: (40 bytes)
716 float sizeincrease; // rate of size change per second
717 float alphafade; // how much alpha reduces per second
718 float time2; // used for snow fluttering and decal fade
719 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)
720 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
721 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
722 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
723 float delayedcollisions; // time that p->bounce becomes active
724 float delayedspawn; // time that particle appears and begins moving
725 float die; // time when this particle should be removed, regardless of alpha
729 typedef enum cl_parsingtextmode_e
731 CL_PARSETEXTMODE_NONE,
732 CL_PARSETEXTMODE_PING,
733 CL_PARSETEXTMODE_STATUS,
734 CL_PARSETEXTMODE_STATUS_PLAYERID,
735 CL_PARSETEXTMODE_STATUS_PLAYERIP
737 cl_parsingtextmode_t;
739 typedef struct cl_locnode_s
741 struct cl_locnode_s *next;
747 typedef struct showlmp_s
758 // the client_state_t structure is wiped completely at every
761 typedef struct client_state_s
763 // true if playing in a local game and no one else is connected
766 // send a clc_nop periodically until connected
769 // current input being accumulated by mouse/joystick/etc input
771 // latest moves sent to the server that have not been confirmed yet
772 usercmd_t movecmd[CL_MAX_USERCMDS];
774 // information for local display
776 int stats[MAX_CL_STATS];
777 float *statsf; // points to stats[] array
778 // last known inventory bit flags, for blinking
780 // cl.time of acquiring item, for blinking
781 float item_gettime[32];
782 // last known STAT_ACTIVEWEAPON
784 // cl.time of changing STAT_ACTIVEWEAPON
786 // use pain anim frame if cl.time < this
788 // for stair smoothing
790 double stairsmoothtime;
792 // color shifts for damage, powerups
793 cshift_t cshifts[NUM_CSHIFTS];
795 cshift_t prev_cshifts[NUM_CSHIFTS];
797 // the client maintains its own idea of view angles, which are
798 // sent to the server each frame. The server sets punchangle when
799 // the view is temporarily offset, and an angle reset commands at the start
800 // of each level and after teleporting.
802 // mviewangles is read from demo
803 // viewangles is either client controlled or lerped from mviewangles
804 vec3_t mviewangles[2], viewangles;
805 // update by server, used by qc to do weapon recoil
806 vec3_t mpunchangle[2], punchangle;
807 // update by server, can be used by mods to kick view around
808 vec3_t mpunchvector[2], punchvector;
809 // update by server, used for lean+bob (0 is newest)
810 vec3_t mvelocity[2], velocity;
811 // update by server, can be used by mods for zooming
812 vec_t mviewzoom[2], viewzoom;
813 // if true interpolation the mviewangles and other interpolation of the
814 // player is disabled until the next network packet
815 // this is used primarily by teleporters, and when spectating players
816 // special checking of the old fixangle[1] is used to differentiate
817 // between teleporting and spectating
818 qboolean fixangle[2];
820 // client movement simulation
821 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
822 // set by CL_ClientMovement_Replay functions
823 qboolean movement_predicted;
824 // if true the CL_ClientMovement_Replay function will update origin, etc
825 qboolean movement_replay;
826 // simulated data (this is valid even if cl.movement is false)
827 vec3_t movement_origin;
828 vec3_t movement_velocity;
829 // whether the replay should allow a jump at the first sequence
830 qboolean movement_replay_canjump;
832 // pitch drifting vars
839 //[515]: added for csqc purposes
840 float sensitivityscale;
841 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
842 qboolean csqc_wantsmousemove;
843 struct model_s *csqc_model_precache[MAX_MODELS];
845 // local amount for smoothing stepups
854 qboolean oldonground;
855 double lastongroundtime;
856 double hitgroundtime;
858 // don't change view angle, full screen, etc
860 // latched at intermission start
861 double completed_time;
863 // the timestamp of the last two messages
866 // clients view of time, time should be between mtime[0] and mtime[1] to
867 // generate a lerp point for other data, oldtime is the previous frame's
868 // value of time, frametime is the difference between time and oldtime
869 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
870 // is only forcefully limited when a packet is received
871 double time, oldtime;
872 // how long it has been since the previous client frame in real time
873 // (not game time, for that use cl.time - cl.oldtime)
874 double realframetime;
876 // copy of realtime from last recieved message, for net trouble icon
877 float last_received_message;
879 // information that is static for the entire time connected to a server
880 struct model_s *model_precache[MAX_MODELS];
881 struct sfx_s *sound_precache[MAX_SOUNDS];
883 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
884 char model_name[MAX_MODELS][MAX_QPATH];
885 char sound_name[MAX_SOUNDS][MAX_QPATH];
887 // for display on solo scoreboard
889 // cl_entitites[cl.viewentity] = player
891 // the real player entity (normally same as viewentity,
892 // different than viewentity if mod uses chasecam or other tricks)
893 int realplayerentity;
894 // this is updated to match cl.viewentity whenever it is in the clients
895 // range, basically this is used in preference to cl.realplayerentity for
896 // most purposes because when spectating another player it should show
897 // their information rather than yours
899 // max players that can be in this game
901 // type of game (deathmatch, coop, singleplayer)
904 // models and sounds used by engine code (particularly cl_parse.c)
905 dp_model_t *model_bolt;
906 dp_model_t *model_bolt2;
907 dp_model_t *model_bolt3;
908 dp_model_t *model_beam;
910 sfx_t *sfx_knighthit;
916 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
917 qboolean foundtalk2wav;
919 // refresh related state
921 // cl_entitites[0].model
922 struct model_s *worldmodel;
928 int cdtrack, looptrack;
933 scoreboard_t *scores;
935 // keep track of svc_print parsing state (analyzes ping reports and status reports)
936 cl_parsingtextmode_t parsingtextmode;
937 int parsingtextplayerindex;
938 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
939 // (which could eat the wrong ping report if the player issues one
940 // manually, but they would still see a ping report, just a later one
941 // caused by the scoreboard code rather than the one they intentionally
943 int parsingtextexpectingpingforscores;
945 // entity database stuff
946 // latest received entity frame numbers
947 #define LATESTFRAMENUMS 3
948 int latestframenums[LATESTFRAMENUMS];
949 entityframe_database_t *entitydatabase;
950 entityframe4_database_t *entitydatabase4;
951 entityframeqw_database_t *entitydatabaseqw;
953 // keep track of quake entities because they need to be killed if they get stale
955 unsigned char isquakeentity[MAX_EDICTS];
957 // bounding boxes for clientside movement
958 vec3_t playerstandmins;
959 vec3_t playerstandmaxs;
960 vec3_t playercrouchmins;
961 vec3_t playercrouchmaxs;
964 int max_static_entities;
969 int max_brushmodel_entities;
975 unsigned char *entities_active;
976 entity_t *static_entities;
977 cl_effect_t *effects;
980 lightstyle_t *lightstyle;
981 int *brushmodel_entities;
982 particle_t *particles;
987 int num_static_entities;
988 int num_brushmodel_entities;
996 double particles_updatetime;
997 double decals_updatetime;
1001 // cl_serverextension_download feature
1002 int loadmodel_current;
1003 int downloadmodel_current;
1004 int loadmodel_total;
1005 int loadsound_current;
1006 int downloadsound_current;
1007 int loadsound_total;
1008 qboolean downloadcsqc;
1011 qboolean loadfinished;
1015 // local copy of the server infostring
1016 char qw_serverinfo[MAX_SERVERINFO_STRING];
1018 // time of last qw "pings" command sent to server while showing scores
1019 double last_ping_request;
1021 // used during connect
1024 // updated from serverinfo
1027 // unused: indicates whether the player is spectating
1028 // use cl.scores[cl.playerentity-1].qw_spectator instead
1029 //qboolean qw_spectator;
1031 // last time an input packet was sent
1032 double lastpackettime;
1034 // movement parameters for client prediction
1035 float movevars_wallfriction;
1036 float movevars_waterfriction;
1037 float movevars_friction;
1038 float movevars_timescale;
1039 float movevars_gravity;
1040 float movevars_stopspeed;
1041 float movevars_maxspeed;
1042 float movevars_spectatormaxspeed;
1043 float movevars_accelerate;
1044 float movevars_airaccelerate;
1045 float movevars_wateraccelerate;
1046 float movevars_entgravity;
1047 float movevars_jumpvelocity;
1048 float movevars_edgefriction;
1049 float movevars_maxairspeed;
1050 float movevars_stepheight;
1051 float movevars_airaccel_qw;
1052 float movevars_airaccel_sideways_friction;
1054 // models used by qw protocol
1055 int qw_modelindex_spike;
1056 int qw_modelindex_player;
1057 int qw_modelindex_flag;
1058 int qw_modelindex_s_explod;
1060 vec3_t qw_intermission_origin;
1061 vec3_t qw_intermission_angles;
1063 // 255 is the most nails the QW protocol could send
1065 vec_t qw_nails[255][6];
1067 float qw_weaponkick;
1069 int qw_validsequence;
1071 int qw_deltasequence[QW_UPDATE_BACKUP];
1074 // server entity number corresponding to a clientside entity
1075 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1076 qboolean csqc_loaded;
1079 qboolean csqc_usecsqclistener;
1080 matrix4x4_t csqc_listenermatrix;
1081 char csqc_printtextbuf[MAX_INPUTLINE];
1083 // collision culling data
1086 // loc file stuff (points and boxes describing locations in the level)
1087 cl_locnode_t *locnodes;
1088 // this is updated to cl.movement_origin whenever health is < 1
1089 // used by %d print in say/say_team messages if cl_locs_enable is on
1090 vec3_t lastdeathorigin;
1092 // processing buffer used by R_BuildLightMap, reallocated as needed,
1093 // freed on each level change
1094 size_t buildlightmapmemorysize;
1095 unsigned char *buildlightmapmemory;
1102 extern cvar_t cl_name;
1103 extern cvar_t cl_color;
1104 extern cvar_t cl_rate;
1105 extern cvar_t cl_pmodel;
1106 extern cvar_t cl_playermodel;
1107 extern cvar_t cl_playerskin;
1109 extern cvar_t rcon_password;
1110 extern cvar_t rcon_address;
1112 extern cvar_t cl_upspeed;
1113 extern cvar_t cl_forwardspeed;
1114 extern cvar_t cl_backspeed;
1115 extern cvar_t cl_sidespeed;
1117 extern cvar_t cl_movespeedkey;
1119 extern cvar_t cl_yawspeed;
1120 extern cvar_t cl_pitchspeed;
1122 extern cvar_t cl_anglespeedkey;
1124 extern cvar_t cl_autofire;
1126 extern cvar_t cl_shownet;
1127 extern cvar_t cl_nolerp;
1128 extern cvar_t cl_nettimesyncfactor;
1129 extern cvar_t cl_nettimesyncboundmode;
1130 extern cvar_t cl_nettimesyncboundtolerance;
1132 extern cvar_t cl_pitchdriftspeed;
1133 extern cvar_t lookspring;
1134 extern cvar_t lookstrafe;
1135 extern cvar_t sensitivity;
1137 extern cvar_t freelook;
1139 extern cvar_t m_pitch;
1140 extern cvar_t m_yaw;
1141 extern cvar_t m_forward;
1142 extern cvar_t m_side;
1144 extern cvar_t cl_autodemo;
1145 extern cvar_t cl_autodemo_nameformat;
1147 extern cvar_t r_draweffects;
1149 extern cvar_t cl_explosions_alpha_start;
1150 extern cvar_t cl_explosions_alpha_end;
1151 extern cvar_t cl_explosions_size_start;
1152 extern cvar_t cl_explosions_size_end;
1153 extern cvar_t cl_explosions_lifetime;
1154 extern cvar_t cl_stainmaps;
1155 extern cvar_t cl_stainmaps_clearonload;
1157 extern cvar_t cl_prydoncursor;
1159 extern cvar_t cl_locs_enable;
1161 extern client_state_t cl;
1163 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);
1165 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1166 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1168 //=============================================================================
1174 void CL_Shutdown (void);
1175 void CL_Init (void);
1177 void CL_EstablishConnection(const char *host);
1179 void CL_Disconnect (void);
1180 void CL_Disconnect_f (void);
1182 void CL_UpdateRenderEntity(entity_render_t *ent);
1183 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1184 void CL_UpdateViewEntities(void);
1189 typedef struct kbutton_s
1191 int down[2]; // key nums holding it down
1192 int state; // low bit is down state
1196 extern kbutton_t in_mlook, in_klook;
1197 extern kbutton_t in_strafe;
1198 extern kbutton_t in_speed;
1200 void CL_InitInput (void);
1201 void CL_SendMove (void);
1203 void CL_ValidateState(entity_state_t *s);
1204 void CL_MoveLerpEntityStates(entity_t *ent);
1205 void CL_LerpUpdate(entity_t *e);
1206 void CL_ParseTEnt (void);
1207 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1208 void CL_RelinkBeams (void);
1209 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1210 void CL_ClientMovement_Replay(void);
1212 void CL_ClearTempEntities (void);
1213 entity_render_t *CL_NewTempEntity (double shadertime);
1215 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1217 void CL_ClearState (void);
1218 void CL_ExpandEntities(int num);
1219 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1222 void CL_UpdateWorld (void);
1223 void CL_WriteToServer (void);
1224 void CL_Input (void);
1225 extern int cl_ignoremousemoves;
1228 float CL_KeyState (kbutton_t *key);
1229 const char *Key_KeynumToString (int keynum);
1230 int Key_StringToKeynum (const char *str);
1235 void CL_StopPlayback(void);
1236 void CL_ReadDemoMessage(void);
1237 void CL_WriteDemoMessage(sizebuf_t *mesage);
1239 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1240 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1242 void CL_NextDemo(void);
1243 void CL_Stop_f(void);
1244 void CL_Record_f(void);
1245 void CL_PlayDemo_f(void);
1246 void CL_TimeDemo_f(void);
1251 void CL_Parse_Init(void);
1252 void CL_Parse_Shutdown(void);
1253 void CL_ParseServerMessage(void);
1254 void CL_Parse_DumpPacket(void);
1255 void CL_Parse_ErrorCleanUp(void);
1256 void QW_CL_StartUpload(unsigned char *data, int size);
1257 extern cvar_t qport;
1258 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1263 void V_StartPitchDrift (void);
1264 void V_StopPitchDrift (void);
1267 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1268 void V_UpdateBlends (void);
1269 void V_ParseDamage (void);
1275 extern cvar_t cl_particles;
1276 extern cvar_t cl_particles_quality;
1277 extern cvar_t cl_particles_size;
1278 extern cvar_t cl_particles_quake;
1279 extern cvar_t cl_particles_blood;
1280 extern cvar_t cl_particles_blood_alpha;
1281 extern cvar_t cl_particles_blood_bloodhack;
1282 extern cvar_t cl_particles_bulletimpacts;
1283 extern cvar_t cl_particles_explosions_sparks;
1284 extern cvar_t cl_particles_explosions_shell;
1285 extern cvar_t cl_particles_rain;
1286 extern cvar_t cl_particles_snow;
1287 extern cvar_t cl_particles_smoke;
1288 extern cvar_t cl_particles_smoke_alpha;
1289 extern cvar_t cl_particles_smoke_alphafade;
1290 extern cvar_t cl_particles_sparks;
1291 extern cvar_t cl_particles_bubbles;
1292 extern cvar_t cl_decals;
1293 extern cvar_t cl_decals_time;
1294 extern cvar_t cl_decals_fadetime;
1296 void CL_Particles_Clear(void);
1297 void CL_Particles_Init(void);
1298 void CL_Particles_Shutdown(void);
1300 typedef enum effectnameindex_s
1304 EFFECT_TE_GUNSHOTQUAD,
1306 EFFECT_TE_SPIKEQUAD,
1307 EFFECT_TE_SUPERSPIKE,
1308 EFFECT_TE_SUPERSPIKEQUAD,
1310 EFFECT_TE_KNIGHTSPIKE,
1311 EFFECT_TE_EXPLOSION,
1312 EFFECT_TE_EXPLOSIONQUAD,
1313 EFFECT_TE_TAREXPLOSION,
1315 EFFECT_TE_LAVASPLASH,
1316 EFFECT_TE_SMALLFLASH,
1321 EFFECT_TE_PLASMABURN,
1323 EFFECT_TE_TEI_SMOKE,
1324 EFFECT_TE_TEI_BIGEXPLOSION,
1325 EFFECT_TE_TEI_PLASMAHIT,
1331 EFFECT_TR_SLIGHTBLOOD,
1332 EFFECT_TR_KNIGHTSPIKE,
1333 EFFECT_TR_VORESPIKE,
1334 EFFECT_TR_NEHAHRASMOKE,
1335 EFFECT_TR_NEXUIZPLASMA,
1336 EFFECT_TR_GLOWTRAIL,
1337 EFFECT_SVC_PARTICLE,
1342 int CL_ParticleEffectIndexForName(const char *name);
1343 const char *CL_ParticleEffectNameForIndex(int i);
1344 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);
1345 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);
1346 void CL_ParseParticleEffect (void);
1347 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);
1348 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1349 void CL_EntityParticles (const entity_t *ent);
1350 void CL_ParticleExplosion (const vec3_t org);
1351 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1352 void R_NewExplosion(const vec3_t org);
1354 void Debug_PolygonBegin(const char *picname, int flags);
1355 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1356 void Debug_PolygonEnd(void);
1358 #include "cl_screen.h"
1360 extern qboolean sb_showscores;
1362 float FogPoint_World(const vec3_t p);
1363 float FogPoint_Model(const vec3_t p);
1364 float FogForDistance(vec_t dist);
1366 typedef struct r_refdef_stats_s
1370 int entities_surfaces;
1371 int entities_triangles;
1375 int world_triangles;
1376 int lightmapupdates;
1377 int lightmapupdatepixels;
1381 int meshes_elements;
1384 int lights_scissored;
1385 int lights_lighttriangles;
1386 int lights_shadowtriangles;
1387 int lights_dynamicshadowtriangles;
1389 int bloom_copypixels;
1390 int bloom_drawpixels;
1394 typedef struct r_refdef_view_s
1396 // view information (changes multiple times per frame)
1397 // if any of these variables change then r_refdef.viewcache must be regenerated
1398 // by calling R_View_Update
1399 // (which also updates viewport, scissor, colormask)
1401 // it is safe and expected to copy this into a structure on the stack and
1402 // call the renderer recursively, then restore from the stack afterward
1403 // (as long as R_View_Update is called)
1405 // eye position information
1406 matrix4x4_t matrix, inverse_matrix;
1412 int numfrustumplanes;
1413 mplane_t frustum[6];
1414 qboolean useclipplane;
1415 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1417 float frustum_x, frustum_y;
1418 vec3_t frustumcorner[4];
1419 // if turned off it renders an ortho view
1421 float ortho_x, ortho_y;
1423 // screen area to render in
1431 // which color components to allow (for anaglyph glasses)
1434 // global RGB color multiplier for rendering, this is required by HDR
1437 // whether to call R_ClearScreen before rendering stuff
1439 // if true, don't clear or do any post process effects (bloom, etc)
1442 // whether to draw r_showtris and such, this is only true for the main
1443 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1444 // distortion effects, etc) omit such debugging information
1447 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1451 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1456 typedef struct r_refdef_viewcache_s
1458 // these properties are generated by R_View_Update()
1460 // which entities are currently visible for this viewpoint
1461 // (the used range is 0...r_refdef.scene.numentities)
1462 unsigned char entityvisible[MAX_EDICTS];
1463 // flag arrays used for visibility checking on world model
1464 // (all other entities have no per-surface/per-leaf visibility checks)
1465 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_clusters
1466 unsigned char world_pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
1467 // TODO: dynamic resize according to r_refdef.scene.worldmodel->brush.num_leafs
1468 unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
1469 // TODO: dynamic resize according to r_refdef.scene.worldmodel->num_surfaces
1470 unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
1471 // if true, the view is currently in a leaf without pvs data
1472 qboolean world_novis;
1474 r_refdef_viewcache_t;
1476 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1477 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1478 typedef struct r_refdef_scene_s {
1479 // whether to call S_ExtraUpdate during render to reduce sound chop
1480 qboolean extraupdate;
1482 // (client gameworld) time for rendering time based effects
1486 entity_render_t *worldentity;
1488 // same as worldentity->model
1489 dp_model_t *worldmodel;
1491 // renderable entities (excluding world)
1492 entity_render_t **entities;
1496 // field of temporary entities that is reset each (client) frame
1497 entity_render_t *tempentities;
1498 int numtempentities;
1499 int maxtempentities;
1501 // renderable dynamic lights
1502 rtlight_t *lights[MAX_DLIGHTS];
1503 rtlight_t templights[MAX_DLIGHTS];
1506 // intensities for light styles right now, controls rtlights
1507 float rtlightstylevalue[256]; // float fraction of base light value
1508 // 8.8bit fixed point intensities for light styles
1509 // controls intensity lightmap layers
1510 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1515 qboolean rtworldshadows;
1517 qboolean rtdlightshadows;
1520 typedef struct r_refdef_s
1522 // these fields define the basic rendering information for the world
1523 // but not the view, which could change multiple times in one rendered
1524 // frame (for example when rendering textures for certain effects)
1526 // these are set for water warping before
1527 // frustum_x/frustum_y are calculated
1528 float frustumscale_x, frustumscale_y;
1530 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1531 r_refdef_view_t view;
1532 r_refdef_viewcache_t viewcache;
1534 // minimum visible distance (pixels closer than this disappear)
1536 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1537 // in 32bpp an infinite-farclip matrix is used instead)
1540 // fullscreen color blend
1543 r_refdef_scene_t scene;
1547 vec_t fograngerecip;
1548 vec_t fogmasktabledistmultiplier;
1549 #define FOGMASKTABLEWIDTH 1024
1550 float fogmasktable[FOGMASKTABLEWIDTH];
1551 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1559 qboolean fogenabled;
1560 qboolean oldgl_fogenable;
1562 qboolean draw2dstage;
1564 // true during envmap command capture
1567 // brightness of world lightmaps and related lighting
1568 // (often reduced when world rtlights are enabled)
1569 float lightmapintensity;
1570 // whether to draw world lights realtime, dlights realtime, and their shadows
1571 float polygonfactor;
1572 float polygonoffset;
1573 float shadowpolygonfactor;
1574 float shadowpolygonoffset;
1576 // rendering stats for r_speeds display
1577 // (these are incremented in many places)
1578 r_refdef_stats_t stats;
1582 extern r_refdef_t r_refdef;