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"
27 // LordHavoc: 256 dynamic lights
28 #define MAX_DLIGHTS 256
30 // flags for rtlight rendering
31 #define LIGHTFLAG_NORMALMODE 1
32 #define LIGHTFLAG_REALTIMEMODE 2
34 typedef struct effect_s
43 // these are for interpolation
53 // draw this as lightning polygons, or a model?
55 struct model_s *model;
61 typedef struct rtlight_s
63 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
65 // note that the world to light matrices are inversely scaled (divided) by lightradius
68 // matrix for transforming world coordinates to light filter coordinates
69 matrix4x4_t matrix_worldtolight;
70 // typically 1 1 1, can be lower (dim) or higher (overbright)
72 // size of the light (remove?)
76 // light style to monitor for brightness
78 // whether light should render shadows
80 // intensity of corona to render
82 // radius scale of corona to render (1.0 means same as light radius)
83 vec_t coronasizescale;
84 // ambient intensity to render
86 // diffuse intensity to render
88 // specular intensity to render
93 // generated properties
94 // used only for shadow volumes
101 // squared cullradius
104 // rendering properties, updated each time a light is rendered
105 // this is rtlight->color * d_lightstylevalue
107 // this is R_Shadow_Cubemap(rtlight->cubemapname)
108 rtexture_t *currentcubemap;
111 // true if this light should be compiled as a static light
113 // true if this is a compiled world light, cleared if the light changes
115 // premade shadow volumes to render for world entity
116 shadowmesh_t *static_meshchain_shadow;
117 // used for visibility testing (more exact than bbox)
119 int static_numleafpvsbytes;
120 int *static_leaflist;
121 unsigned char *static_leafpvs;
122 // surfaces seen by light
123 int static_numsurfaces;
124 int *static_surfacelist;
128 typedef struct dlight_s
130 // destroy light after this time
133 // the entity that owns this light (can be NULL)
135 struct entity_render_s *ent;
137 // (worldlight: saved to .rtlights file)
139 // worldlight orientation
141 // (worldlight: saved to .rtlights file)
143 // dlight orientation/scaling/location
147 // (worldlight: saved to .rtlights file)
149 // cubemap number to use on this light
152 // cubemap name to use on this light
154 // (worldlight: saved to .rtlights file)
155 char cubemapname[64];
156 // make light flash while selected
159 // brightness (not really radius anymore)
160 // (worldlight: saved to .rtlights file)
162 // drop radius this much each second
165 // light style which controls intensity of this light
166 // (worldlight: saved to .rtlights file)
169 // (worldlight: saved to .rtlights file)
172 // (worldlight: saved to .rtlights file)
174 // radius scale of corona to render (1.0 means same as light radius)
175 // (worldlight: saved to .rtlights file)
176 vec_t coronasizescale;
177 // ambient intensity to render
178 // (worldlight: saved to .rtlights file)
180 // diffuse intensity to render
181 // (worldlight: saved to .rtlights file)
183 // specular intensity to render
184 // (worldlight: saved to .rtlights file)
187 // (worldlight: saved to .rtlights file)
189 // linked list of world lights
191 struct dlight_s *next;
192 // embedded rtlight struct for renderer
198 typedef struct frameblend_s
205 // LordHavoc: this struct is intended for the renderer but some fields are
206 // used by the client.
207 typedef struct entity_render_s
213 // transform matrix for model to world
215 // transform matrix for world to model
216 matrix4x4_t inversematrix;
217 // opacity (alpha) of the model
219 // size the model is shown
224 // current uninterpolated animation frame (for things which do not use interpolation)
226 // entity shirt and pants colors (-1 if not colormapped)
228 // literal colors for renderer
229 vec3_t colormap_pantscolor;
230 vec3_t colormap_shirtcolor;
231 // light, particles, etc
238 // colormod tinting of models
241 // interpolated animation
243 // frame that the model is interpolating from
245 // frame that the model is interpolating to
247 // interpolation factor, usually computed from frame2time
249 // time frame1 began playing (for framegroup animations)
251 // time frame2 began playing (for framegroup animations)
254 // calculated by the renderer (but not persistent)
256 // calculated during R_AddModelEntities
258 // 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
259 frameblend_t frameblend[4];
261 // current lighting from map
262 vec3_t modellight_ambient;
263 vec3_t modellight_diffuse; // q3bsp
264 vec3_t modellight_lightdir; // q3bsp
268 typedef struct entity_persistent_s
277 // muzzleflash fading
280 // interpolated movement
282 // start time of move
284 // time difference from start to end of move
286 // the move itself, start and end
294 typedef struct entity_s
297 // baseline state (default values)
298 entity_state_t state_baseline;
299 // previous state (interpolating from this)
300 entity_state_t state_previous;
301 // current state (interpolating to this)
302 entity_state_t state_current;
304 // used for regenerating parts of render
305 entity_persistent_t persistent;
307 // the only data the renderer should know about
308 entity_render_t render;
312 typedef struct usercmd_s
316 // intended velocities
321 vec3_t cursor_screen;
324 vec3_t cursor_impact;
325 vec3_t cursor_normal;
326 vec_t cursor_fraction;
327 int cursor_entitynumber;
334 qboolean applied; // if false we're still accumulating a move
337 typedef struct lightstyle_s
340 char map[MAX_STYLESTRING];
343 typedef struct scoreboard_s
345 char name[MAX_SCOREBOARDNAME];
347 int colors; // two 4 bit fields
350 char qw_userinfo[MAX_USERINFO_STRING];
356 char qw_skin[MAX_QPATH];
359 typedef struct cshift_s
362 float percent; // 0-256
365 #define CSHIFT_CONTENTS 0
366 #define CSHIFT_DAMAGE 1
367 #define CSHIFT_BONUS 2
368 #define CSHIFT_POWERUP 3
369 #define CSHIFT_VCSHIFT 4
370 #define NUM_CSHIFTS 5
372 #define NAME_LENGTH 64
376 // client_state_t should hold all pieces of the client state
379 #define SIGNONS 4 // signon messages to receive before connected
382 #define MAX_DEMONAME 16
384 typedef enum cactive_e
386 ca_dedicated, // a dedicated server with no ability to start a client
387 ca_disconnected, // full screen console with no connection
388 ca_connected // valid netcon, talking to a server
392 typedef enum qw_downloadtype_e
402 typedef enum capturevideoformat_e
404 CAPTUREVIDEOFORMAT_TARGA,
405 CAPTUREVIDEOFORMAT_JPEG,
406 CAPTUREVIDEOFORMAT_RAWRGB,
407 CAPTUREVIDEOFORMAT_RAWYV12
409 capturevideoformat_t;
412 // the client_static_t structure is persistent through an arbitrary number
413 // of server connections
415 typedef struct client_static_s
419 // all client memory allocations go in these pools
420 mempool_t *levelmempool;
421 mempool_t *permanentmempool;
424 // -1 = don't play demos
426 // list of demos in loop
427 char demos[MAX_DEMOS][MAX_DEMONAME];
428 // the actively playing demo (set by CL_PlayDemo_f)
431 // demo recording info must be here, because record is started before
432 // entering a map (and clearing client_state_t)
433 qboolean demorecording;
434 qboolean demoplayback;
436 // -1 = use normal cd track
439 // to meter out one message a frame
441 // host_framecount at start
443 // realtime at second frame of timedemo (LordHavoc: changed to double)
445 // LordHavoc: for measuring maxfps
446 double td_minframetime;
447 // LordHavoc: for measuring minfps
448 double td_maxframetime;
449 // LordHavoc: pausedemo
452 qboolean connect_trying;
453 int connect_remainingtries;
454 double connect_nextsendtime;
455 lhnetsocket_t *connect_mysocket;
456 lhnetaddress_t connect_address;
457 // protocol version of the server we're connected to
458 // (kept outside client_state_t because it's used between levels)
459 protocolversion_t protocol;
461 // connection information
464 // network connection
467 // quakeworld stuff below
469 // value of "qport" cvar at time of connection
471 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
472 int qw_incoming_sequence;
473 int qw_outgoing_sequence;
475 // current file download buffer (only saved when file is completed)
476 char qw_downloadname[MAX_QPATH];
477 unsigned char *qw_downloadmemory;
478 int qw_downloadmemorycursize;
479 int qw_downloadmemorymaxsize;
480 int qw_downloadnumber;
481 int qw_downloadpercent;
482 qw_downloadtype_t qw_downloadtype;
484 // current file upload buffer (for uploading screenshots to server)
485 unsigned char *qw_uploaddata;
490 // this normally contains the following keys in quakeworld:
491 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
492 char userinfo[MAX_USERINFO_STRING];
494 // video capture stuff
495 qboolean capturevideo_active;
496 capturevideoformat_t capturevideo_format;
497 double capturevideo_starttime;
498 double capturevideo_framerate;
499 int capturevideo_soundrate;
500 int capturevideo_frame;
501 unsigned char *capturevideo_buffer;
502 qfile_t *capturevideo_videofile;
503 qfile_t *capturevideo_soundfile;
504 short capturevideo_rgbtoyuvscaletable[3][3][256];
505 unsigned char capturevideo_yuvnormalizetable[3][256];
506 char capturevideo_basename[64];
510 extern client_static_t cls;
512 typedef struct client_movementqueue_s
522 client_movementqueue_t;
528 qboolean drawenginesbar;
529 qboolean drawcrosshair;
532 typedef struct qw_usercmd_s
535 short forwardmove, sidemove, upmove;
536 unsigned char padding1[2];
538 unsigned char buttons;
539 unsigned char impulse;
540 unsigned char padding2;
546 PARTICLE_BILLBOARD = 0,
548 PARTICLE_ORIENTED_DOUBLESIDED = 2,
561 typedef struct particletype_s
564 porientation_t orientation;
571 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
575 typedef struct particle_s
577 particletype_t *type;
580 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
582 float sizeincrease; // rate of size change per second
583 float alpha; // 0-255
584 float alphafade; // how much alpha reduces per second
585 float time2; // used for snow fluttering and decal fade
586 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)
587 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
588 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
589 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
590 unsigned char color[4];
591 unsigned short owner; // decal stuck to this entity
592 model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
593 vec3_t relativeorigin; // decal at this location in entity's coordinate space
594 vec3_t relativedirection; // decal oriented this way relative to entity's coordinate space
598 typedef enum cl_parsingtextmode_e
600 CL_PARSETEXTMODE_NONE,
601 CL_PARSETEXTMODE_PING,
602 CL_PARSETEXTMODE_STATUS,
603 CL_PARSETEXTMODE_STATUS_PLAYERID,
604 CL_PARSETEXTMODE_STATUS_PLAYERIP
606 cl_parsingtextmode_t;
609 // the client_state_t structure is wiped completely at every
612 typedef struct client_state_s
614 // true if playing in a local game and no one else is connected
617 // when connecting to the server throw out the first couple move messages
618 // so the player doesn't accidentally do something the first frame
621 // send a clc_nop periodically until connected
624 // current input to send to the server
627 // information for local display
629 int stats[MAX_CL_STATS];
630 // last known inventory bit flags, for blinking
632 // cl.time of acquiring item, for blinking
633 float item_gettime[32];
634 // last known STAT_ACTIVEWEAPON
636 // cl.time of changing STAT_ACTIVEWEAPON
638 // use pain anim frame if cl.time < this
640 // for stair smoothing
643 // color shifts for damage, powerups
644 cshift_t cshifts[NUM_CSHIFTS];
646 cshift_t prev_cshifts[NUM_CSHIFTS];
648 // the client maintains its own idea of view angles, which are
649 // sent to the server each frame. The server sets punchangle when
650 // the view is temporarily offset, and an angle reset commands at the start
651 // of each level and after teleporting.
653 // mviewangles is read from demo
654 // viewangles is either client controlled or lerped from mviewangles
655 vec3_t mviewangles[2], viewangles;
656 // update by server, used by qc to do weapon recoil
657 vec3_t mpunchangle[2], punchangle;
658 // update by server, can be used by mods to kick view around
659 vec3_t mpunchvector[2], punchvector;
660 // update by server, used for lean+bob (0 is newest)
661 vec3_t mvelocity[2], velocity;
662 // update by server, can be used by mods for zooming
663 vec_t mviewzoom[2], viewzoom;
664 // if true interpolation the mviewangles and other interpolation of the
665 // player is disabled until the next network packet
666 // this is used primarily by teleporters, and when spectating players
667 // special checking of the old fixangle[1] is used to differentiate
668 // between teleporting and spectating
669 qboolean fixangle[2];
671 // client movement simulation
672 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
673 // set by CL_ClientMovement_Replay functions
674 qboolean movement_predicted;
675 // this is set true by svc_time parsing and causes a new movement to be
676 // queued for prediction purposes
677 qboolean movement_needupdate;
678 // indicates the queue has been updated and should be replayed
679 qboolean movement_replay;
680 // timestamps of latest two predicted moves for interpolation
681 double movement_time[2];
682 // simulated data (this is valid even if cl.movement is false)
683 vec3_t movement_origin;
684 vec3_t movement_oldorigin;
685 vec3_t movement_velocity;
686 // queue of proposed moves
687 int movement_numqueue;
688 client_movementqueue_t movement_queue[256];
690 int servermovesequence;
691 // whether the replay should allow a jump at the first sequence
692 qboolean movement_replay_canjump;
694 // pitch drifting vars
701 //[515]: added for csqc purposes
702 float sensitivityscale;
703 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
704 qboolean csqc_wantsmousemove;
705 struct model_s *csqc_model_precache[MAX_MODELS];
707 // local amount for smoothing stepups
716 qboolean oldonground;
717 double lastongroundtime;
718 double hitgroundtime;
720 // don't change view angle, full screen, etc
722 // latched at intermission start
723 double completed_time;
725 // the timestamp of the last two messages
728 // clients view of time, time should be between mtime[0] and mtime[1] to
729 // generate a lerp point for other data, oldtime is the previous frame's
730 // value of time, frametime is the difference between time and oldtime
731 double time, oldtime;
732 // how long it has been since the previous client frame in real time
733 // (not game time, for that use cl.time - cl.oldtime)
734 double realframetime;
736 // copy of realtime from last recieved message, for net trouble icon
737 float last_received_message;
739 // information that is static for the entire time connected to a server
740 struct model_s *model_precache[MAX_MODELS];
741 struct sfx_s *sound_precache[MAX_SOUNDS];
743 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
744 char model_name[MAX_MODELS][MAX_QPATH];
745 char sound_name[MAX_SOUNDS][MAX_QPATH];
747 // for display on solo scoreboard
749 // cl_entitites[cl.viewentity] = player
751 // the real player entity (normally same as viewentity,
752 // different than viewentity if mod uses chasecam or other tricks)
754 // max players that can be in this game
756 // type of game (deathmatch, coop, singleplayer)
759 // models and sounds used by engine code (particularly cl_parse.c)
761 model_t *model_bolt2;
762 model_t *model_bolt3;
765 sfx_t *sfx_knighthit;
772 // refresh related state
774 // cl_entitites[0].model
775 struct model_s *worldmodel;
781 int cdtrack, looptrack;
786 scoreboard_t *scores;
788 // keep track of svc_print parsing state (analyzes ping reports and status reports)
789 cl_parsingtextmode_t parsingtextmode;
790 int parsingtextplayerindex;
791 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
792 // (which could eat the wrong ping report if the player issues one
793 // manually, but they would still see a ping report, just a later one
794 // caused by the scoreboard code rather than the one they intentionally
796 int parsingtextexpectingpingforscores;
798 // entity database stuff
799 // latest received entity frame numbers
800 #define LATESTFRAMENUMS 3
801 int latestframenums[LATESTFRAMENUMS];
802 entityframe_database_t *entitydatabase;
803 entityframe4_database_t *entitydatabase4;
804 entityframeqw_database_t *entitydatabaseqw;
806 // keep track of quake entities because they need to be killed if they get stale
808 unsigned char isquakeentity[MAX_EDICTS];
810 // bounding boxes for clientside movement
811 vec3_t playerstandmins;
812 vec3_t playerstandmaxs;
813 vec3_t playercrouchmins;
814 vec3_t playercrouchmaxs;
817 int max_csqcentities;
818 int max_static_entities;
819 int max_temp_entities;
824 int max_brushmodel_entities;
828 entity_t *csqcentities; //[515]: csqc
829 unsigned char *entities_active;
830 unsigned char *csqcentities_active; //[515]: csqc
831 entity_t *static_entities;
832 entity_t *temp_entities;
833 cl_effect_t *effects;
836 lightstyle_t *lightstyle;
837 int *brushmodel_entities;
838 particle_t *particles;
841 int num_csqcentities; //[515]: csqc
842 int num_static_entities;
843 int num_temp_entities;
844 int num_brushmodel_entities;
854 // local copy of the server infostring
855 char qw_serverinfo[MAX_SERVERINFO_STRING];
857 // time of last qw "pings" command sent to server while showing scores
858 double last_ping_request;
860 // used during connect
863 // updated from serverinfo
866 // indicates whether the player is spectating
867 qboolean qw_spectator;
869 // movement parameters for client prediction
870 float qw_movevars_gravity;
871 float qw_movevars_stopspeed;
872 float qw_movevars_maxspeed; // can change during play
873 float qw_movevars_spectatormaxspeed;
874 float qw_movevars_accelerate;
875 float qw_movevars_airaccelerate;
876 float qw_movevars_wateraccelerate;
877 float qw_movevars_friction;
878 float qw_movevars_waterfriction;
879 float qw_movevars_entgravity; // can change during play
881 // models used by qw protocol
882 int qw_modelindex_spike;
883 int qw_modelindex_player;
884 int qw_modelindex_flag;
885 int qw_modelindex_s_explod;
887 vec3_t qw_intermission_origin;
888 vec3_t qw_intermission_angles;
890 // 255 is the most nails the QW protocol could send
892 vec_t qw_nails[255][6];
896 int qw_validsequence;
898 qw_usercmd_t qw_moves[QW_UPDATE_BACKUP];
900 int qw_deltasequence[QW_UPDATE_BACKUP];
907 extern cvar_t cl_name;
908 extern cvar_t cl_color;
909 extern cvar_t cl_rate;
910 extern cvar_t cl_pmodel;
911 extern cvar_t cl_playermodel;
912 extern cvar_t cl_playerskin;
914 extern cvar_t rcon_password;
915 extern cvar_t rcon_address;
917 extern cvar_t cl_upspeed;
918 extern cvar_t cl_forwardspeed;
919 extern cvar_t cl_backspeed;
920 extern cvar_t cl_sidespeed;
922 extern cvar_t cl_movespeedkey;
924 extern cvar_t cl_yawspeed;
925 extern cvar_t cl_pitchspeed;
927 extern cvar_t cl_anglespeedkey;
929 extern cvar_t cl_autofire;
931 extern cvar_t cl_shownet;
932 extern cvar_t cl_nolerp;
934 extern cvar_t cl_pitchdriftspeed;
935 extern cvar_t lookspring;
936 extern cvar_t lookstrafe;
937 extern cvar_t sensitivity;
939 extern cvar_t freelook;
941 extern cvar_t m_pitch;
943 extern cvar_t m_forward;
944 extern cvar_t m_side;
946 extern cvar_t cl_autodemo;
947 extern cvar_t cl_autodemo_nameformat;
949 extern cvar_t r_draweffects;
951 extern cvar_t cl_explosions_alpha_start;
952 extern cvar_t cl_explosions_alpha_end;
953 extern cvar_t cl_explosions_size_start;
954 extern cvar_t cl_explosions_size_end;
955 extern cvar_t cl_explosions_lifetime;
956 extern cvar_t cl_stainmaps;
957 extern cvar_t cl_stainmaps_clearonload;
959 extern cvar_t cl_prydoncursor;
961 extern client_state_t cl;
963 extern void CL_AllocDlight (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);
965 //=============================================================================
971 void CL_Shutdown (void);
974 void CL_EstablishConnection(const char *host);
976 void CL_Disconnect (void);
977 void CL_Disconnect_f (void);
979 void CL_BoundingBoxForEntity(entity_render_t *ent);
984 typedef struct kbutton_s
986 int down[2]; // key nums holding it down
987 int state; // low bit is down state
991 extern kbutton_t in_mlook, in_klook;
992 extern kbutton_t in_strafe;
993 extern kbutton_t in_speed;
995 void CL_InitInput (void);
996 void CL_SendMove (void);
998 void CL_ValidateState(entity_state_t *s);
999 void CL_MoveLerpEntityStates(entity_t *ent);
1000 void CL_LerpUpdate(entity_t *e);
1001 void CL_ParseTEnt (void);
1002 void CL_NewBeam (int ent, vec3_t start, vec3_t end, model_t *m, int lightning);
1003 void CL_RelinkBeams (void);
1004 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1006 void CL_ClearTempEntities (void);
1007 entity_t *CL_NewTempEntity (void);
1009 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1011 void CL_ClearState (void);
1012 void CL_ExpandEntities(int num);
1013 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1016 int CL_ReadFromServer (void);
1017 void CL_WriteToServer (void);
1018 void CL_Move (void);
1019 extern qboolean cl_ignoremousemove;
1022 float CL_KeyState (kbutton_t *key);
1023 const char *Key_KeynumToString (int keynum);
1024 int Key_StringToKeynum (const char *str);
1029 void CL_StopPlayback(void);
1030 void CL_ReadDemoMessage(void);
1031 void CL_WriteDemoMessage(void);
1033 void CL_NextDemo(void);
1034 void CL_Stop_f(void);
1035 void CL_Record_f(void);
1036 void CL_PlayDemo_f(void);
1037 void CL_TimeDemo_f(void);
1042 void CL_Parse_Init(void);
1043 void CL_Parse_Shutdown(void);
1044 void CL_ParseServerMessage(void);
1045 void CL_Parse_DumpPacket(void);
1046 void CL_Parse_ErrorCleanUp(void);
1047 void QW_CL_StartUpload(unsigned char *data, int size);
1048 extern cvar_t qport;
1053 void V_StartPitchDrift (void);
1054 void V_StopPitchDrift (void);
1057 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1058 void V_UpdateBlends (void);
1059 void V_ParseDamage (void);
1065 extern cvar_t cl_particles;
1066 extern cvar_t cl_particles_quality;
1067 extern cvar_t cl_particles_size;
1068 extern cvar_t cl_particles_quake;
1069 extern cvar_t cl_particles_blood;
1070 extern cvar_t cl_particles_blood_alpha;
1071 extern cvar_t cl_particles_blood_bloodhack;
1072 extern cvar_t cl_particles_bulletimpacts;
1073 extern cvar_t cl_particles_explosions_bubbles;
1074 extern cvar_t cl_particles_explosions_smoke;
1075 extern cvar_t cl_particles_explosions_sparks;
1076 extern cvar_t cl_particles_explosions_shell;
1077 extern cvar_t cl_particles_smoke;
1078 extern cvar_t cl_particles_smoke_alpha;
1079 extern cvar_t cl_particles_smoke_alphafade;
1080 extern cvar_t cl_particles_sparks;
1081 extern cvar_t cl_particles_bubbles;
1082 extern cvar_t cl_decals;
1083 extern cvar_t cl_decals_time;
1084 extern cvar_t cl_decals_fadetime;
1086 void CL_Particles_Clear(void);
1087 void CL_Particles_Init(void);
1088 void CL_Particles_Shutdown(void);
1090 typedef enum effectnameindex_s
1094 EFFECT_TE_GUNSHOTQUAD,
1096 EFFECT_TE_SPIKEQUAD,
1097 EFFECT_TE_SUPERSPIKE,
1098 EFFECT_TE_SUPERSPIKEQUAD,
1100 EFFECT_TE_KNIGHTSPIKE,
1101 EFFECT_TE_EXPLOSION,
1102 EFFECT_TE_EXPLOSIONQUAD,
1103 EFFECT_TE_TAREXPLOSION,
1105 EFFECT_TE_LAVASPLASH,
1106 EFFECT_TE_SMALLFLASH,
1111 EFFECT_TE_PLASMABURN,
1113 EFFECT_TE_TEI_SMOKE,
1114 EFFECT_TE_TEI_BIGEXPLOSION,
1115 EFFECT_TE_TEI_PLASMAHIT,
1121 EFFECT_TR_SLIGHTBLOOD,
1122 EFFECT_TR_KNIGHTSPIKE,
1123 EFFECT_TR_VORESPIKE,
1124 EFFECT_TR_NEHAHRASMOKE,
1125 EFFECT_TR_NEXUIZPLASMA,
1126 EFFECT_TR_GLOWTRAIL,
1127 EFFECT_SVC_PARTICLE,
1132 int CL_ParticleEffectIndexForName(const char *name);
1133 const char *CL_ParticleEffectNameForIndex(int i);
1134 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);
1135 void CL_ParseParticleEffect (void);
1136 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);
1137 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1138 void CL_EntityParticles (const entity_t *ent);
1139 void CL_ParticleExplosion (const vec3_t org);
1140 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1141 void CL_MoveParticles(void);
1142 void R_MoveExplosions(void);
1143 void R_NewExplosion(const vec3_t org);
1145 #include "cl_screen.h"
1147 extern qboolean sb_showscores;
1149 #define NUMCROSSHAIRS 32
1150 extern cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
1152 #define FOGTABLEWIDTH 1024
1153 extern int fogtableindex;
1154 #define VERTEXFOGTABLE(dist) (fogtableindex = (int)((dist) * r_refdef.fogtabledistmultiplier), r_refdef.fogtable[bound(0, fogtableindex, FOGTABLEWIDTH - 1)])
1156 typedef struct r_refdef_stats_s
1159 int entities_surfaces;
1160 int entities_triangles;
1165 int meshes_elements;
1168 int lights_scissored;
1169 int lights_lighttriangles;
1170 int lights_shadowtriangles;
1171 int lights_dynamicshadowtriangles;
1173 int bloom_copypixels;
1174 int bloom_drawpixels;
1178 typedef struct r_refdef_s
1180 // these fields define the basic rendering information for the world
1181 // but not the view, which could change multiple times in one rendered
1182 // frame (for example when rendering textures for certain effects)
1184 // these are set for water warping before
1185 // frustum_x/frustum_y are calculated
1186 float frustumscale_x, frustumscale_y;
1188 // minimum visible distance (pixels closer than this disappear)
1190 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1191 // in 32bpp an infinite-farclip matrix is used instead)
1194 // fullscreen color blend
1197 // whether to call S_ExtraUpdate during render to reduce sound chop
1198 qboolean extraupdate;
1200 // client gameworld time for rendering time based effects
1204 entity_render_t *worldentity;
1206 // same as worldentity->model
1207 model_t *worldmodel;
1209 // renderable entities (excluding world)
1210 entity_render_t **entities;
1214 // renderable dynamic lights
1215 dlight_t *lights[MAX_DLIGHTS];
1218 // 8.8bit fixed point intensities for light styles
1219 // controls intensity of dynamic lights and lightmap layers
1220 unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
1224 vec_t fograngerecip;
1225 vec_t fogtabledistmultiplier;
1226 float fogtable[FOGTABLEWIDTH];
1231 qboolean fogenabled;
1232 qboolean oldgl_fogenable;
1234 qboolean draw2dstage;
1236 // true during envmap command capture
1239 // brightness of world lightmaps and related lighting
1240 // (often reduced when world rtlights are enabled)
1241 float lightmapintensity;
1242 // whether to draw world lights realtime, dlights realtime, and their shadows
1244 qboolean rtworldshadows;
1246 qboolean rtdlightshadows;
1247 float polygonfactor;
1248 float polygonoffset;
1249 float shadowpolygonfactor;
1250 float shadowpolygonoffset;
1252 // rendering stats for r_speeds display
1253 // (these are incremented in many places)
1254 r_refdef_stats_t stats;
1258 typedef struct r_view_s
1260 // view information (changes multiple times per frame)
1261 // if any of these variables change then r_viewcache must be regenerated
1262 // by calling R_View_Update
1263 // (which also updates viewport, scissor, colormask)
1265 // it is safe and expected to copy this into a structure on the stack and
1266 // call the renderer recursively, then restore from the stack afterward
1267 // (as long as R_View_Update is called)
1269 // eye position information
1276 mplane_t frustum[5];
1277 float frustum_x, frustum_y;
1279 // screen area to render in
1287 // which color components to allow (for anaglyph glasses)
1290 // global RGB color multiplier for rendering, this is required by HDR
1295 typedef struct r_viewcache_s
1297 // these properties are generated by R_View_Update()
1299 // which entities are currently visible for this viewpoint
1300 // (the used range is 0...r_refdef.numentities)
1301 unsigned char entityvisible[MAX_EDICTS];
1302 // flag arrays used for visibility checking on world model
1303 // (all other entities have no per-surface/per-leaf visibility checks)
1304 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
1305 unsigned char world_pvsbits[(32768+7)>>3];
1306 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
1307 unsigned char world_leafvisible[32768];
1308 // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
1309 unsigned char world_surfacevisible[262144];
1310 // if true, the view is currently in a leaf without pvs data
1311 qboolean world_novis;
1315 extern r_refdef_t r_refdef;
1316 extern r_view_t r_view;
1317 extern r_viewcache_t r_viewcache;