2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "matrixlib.h"
28 // flags for rtlight rendering
29 #define LIGHTFLAG_NORMALMODE 1
30 #define LIGHTFLAG_REALTIMEMODE 2
32 typedef struct tridecal_s
34 // color and initial alpha value
35 float texcoord2f[3][2];
37 unsigned char color4ub[3][4];
38 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
40 // if >= 0 this indicates the decal should follow an animated triangle
42 // for visibility culling
44 // old decals are killed to obey cl_decals_max
49 typedef struct decalsystem_s
52 double lastupdatetime;
61 unsigned short *element3s;
65 typedef struct effect_s
74 // these are for interpolation
84 // draw this as lightning polygons, or a model?
86 struct model_s *model;
92 typedef struct rtlight_s
94 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
96 // note that the world to light matrices are inversely scaled (divided) by lightradius
99 /// matrix for transforming light filter coordinates to world coordinates
100 matrix4x4_t matrix_lighttoworld;
101 /// matrix for transforming world coordinates to light filter coordinates
102 matrix4x4_t matrix_worldtolight;
103 /// typically 1 1 1, can be lower (dim) or higher (overbright)
105 /// size of the light (remove?)
108 char cubemapname[64];
109 /// light style to monitor for brightness
111 /// whether light should render shadows
113 /// intensity of corona to render
115 /// radius scale of corona to render (1.0 means same as light radius)
116 vec_t coronasizescale;
117 /// ambient intensity to render
119 /// diffuse intensity to render
121 /// specular intensity to render
123 /// LIGHTFLAG_* flags
126 // generated properties
127 /// used only for shadow volumes
134 // squared cullradius
137 // rendering properties, updated each time a light is rendered
138 // this is rtlight->color * d_lightstylevalue
140 /// used by corona updates, due to occlusion query
141 float corona_visibility;
142 unsigned int corona_queryindex_visiblepixels;
143 unsigned int corona_queryindex_allpixels;
144 /// this is R_Shadow_Cubemap(rtlight->cubemapname)
145 rtexture_t *currentcubemap;
146 /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
148 /// these fields are set by R_Shadow_PrepareLight for later drawing
149 int cached_numlightentities;
150 int cached_numlightentities_noselfshadow;
151 int cached_numshadowentities;
152 int cached_numshadowentities_noselfshadow;
153 int cached_numsurfaces;
154 struct entity_render_s **cached_lightentities;
155 struct entity_render_s **cached_lightentities_noselfshadow;
156 struct entity_render_s **cached_shadowentities;
157 struct entity_render_s **cached_shadowentities_noselfshadow;
158 unsigned char *cached_shadowtrispvs;
159 unsigned char *cached_lighttrispvs;
160 int *cached_surfacelist;
161 // reduced light cullbox from GetLightInfo
162 vec3_t cached_cullmins;
163 vec3_t cached_cullmaxs;
164 // current shadow-caster culling planes based on view
165 // (any geometry outside these planes can not contribute to the visible
166 // shadows in any way, and thus can be culled safely)
167 int cached_numfrustumplanes;
168 mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
170 /// static light info
171 /// true if this light should be compiled as a static light
173 /// true if this is a compiled world light, cleared if the light changes
175 /// the shadowing mode used to compile this light
177 /// premade shadow volumes to render for world entity
178 shadowmesh_t *static_meshchain_shadow_zpass;
179 shadowmesh_t *static_meshchain_shadow_zfail;
180 shadowmesh_t *static_meshchain_shadow_shadowmap;
181 /// used for visibility testing (more exact than bbox)
183 int static_numleafpvsbytes;
184 int *static_leaflist;
185 unsigned char *static_leafpvs;
186 /// surfaces seen by light
187 int static_numsurfaces;
188 int *static_surfacelist;
189 /// flag bits indicating which triangles of the world model should cast
190 /// shadows, and which ones should be lit
192 /// this avoids redundantly scanning the triangles in each surface twice
193 /// for whether they should cast shadows, once in culling and once in the
194 /// actual shadowmarklist production.
195 int static_numshadowtrispvsbytes;
196 unsigned char *static_shadowtrispvs;
197 /// this allows the lighting batch code to skip backfaces andother culled
198 /// triangles not relevant for lighting
199 /// (important on big surfaces such as terrain)
200 int static_numlighttrispvsbytes;
201 unsigned char *static_lighttrispvs;
202 /// masks of all shadowmap sides that have any potential static receivers or casters
203 int static_shadowmap_receivers;
204 int static_shadowmap_casters;
208 typedef struct dlight_s
210 // destroy light after this time
213 // the entity that owns this light (can be NULL)
215 struct entity_render_s *ent;
217 // (worldlight: saved to .rtlights file)
219 // worldlight orientation
221 // (worldlight: saved to .rtlights file)
223 // dlight orientation/scaling/location
227 // (worldlight: saved to .rtlights file)
229 // cubemap name to use on this light
230 // (worldlight: saved to .rtlights file)
231 char cubemapname[64];
232 // make light flash while selected
235 // brightness (not really radius anymore)
236 // (worldlight: saved to .rtlights file)
238 // drop intensity this much each second
241 // intensity value which is dropped over time
244 // initial values for intensity to modify
248 // light style which controls intensity of this light
249 // (worldlight: saved to .rtlights file)
252 // (worldlight: saved to .rtlights file)
255 // (worldlight: saved to .rtlights file)
257 // radius scale of corona to render (1.0 means same as light radius)
258 // (worldlight: saved to .rtlights file)
259 vec_t coronasizescale;
260 // ambient intensity to render
261 // (worldlight: saved to .rtlights file)
263 // diffuse intensity to render
264 // (worldlight: saved to .rtlights file)
266 // specular intensity to render
267 // (worldlight: saved to .rtlights file)
270 // (worldlight: saved to .rtlights file)
272 // linked list of world lights
274 struct dlight_s *next;
275 // embedded rtlight struct for renderer
281 #define MAX_FRAMEGROUPBLENDS 4
282 typedef struct framegroupblend_s
284 // animation number and blend factor
285 // (for most models this is the frame number)
288 // time frame began playing (for framegroup animations)
293 // this is derived from processing of the framegroupblend array
294 // note: technically each framegroupblend can produce two of these, but that
295 // never happens in practice because no one blends between more than 2
296 // framegroups at once
297 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
298 typedef struct frameblend_s
305 // LordHavoc: this struct is intended for the renderer but some fields are
306 // used by the client.
308 // The renderer should not rely on any changes to this struct to be persistent
309 // across multiple frames because temp entities are wiped every frame, but it
310 // is acceptable to cache things in this struct that are not critical.
312 // For example the r_cullentities_trace code does such caching.
313 typedef struct entity_render_s
319 // transform matrix for model to world
321 // transform matrix for world to model
322 matrix4x4_t inversematrix;
323 // opacity (alpha) of the model
325 // size the model is shown
327 // transparent sorting offset
328 float transparent_offset;
332 // number of the entity represents, or 0 for non-network entities
334 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
335 vec3_t colormap_pantscolor;
336 vec3_t colormap_shirtcolor;
337 // light, particles, etc
339 // qw CTF flags and other internal-use-only effect bits
346 // colormod tinting of models
350 // interpolated animation - active framegroups and blend factors
351 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
353 // time of last model change (for shader animations)
356 // calculated by the renderer (but not persistent)
358 // calculated during R_AddModelEntities
360 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
361 frameblend_t frameblend[MAX_FRAMEBLENDS];
362 // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
363 skeleton_t *skeleton;
365 // animation cache (pointers allocated using R_FrameData_Alloc)
366 // ONLY valid during R_RenderView! may be NULL (not cached)
367 float *animcache_vertex3f;
368 float *animcache_normal3f;
369 float *animcache_svector3f;
370 float *animcache_tvector3f;
372 // current lighting from map (updated ONLY by client code, not renderer)
373 vec3_t modellight_ambient;
374 vec3_t modellight_diffuse; // q3bsp
375 vec3_t modellight_lightdir; // q3bsp
377 // storage of decals on this entity
378 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
380 decalsystem_t decalsystem;
382 // FIELDS UPDATED BY RENDERER:
383 // last time visible during trace culling
384 double last_trace_visibility;
388 typedef struct entity_persistent_s
394 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
396 // muzzleflash fading
399 // interpolated movement
401 // start time of move
403 // time difference from start to end of move
405 // the move itself, start and end
413 typedef struct entity_s
415 // baseline state (default values)
416 entity_state_t state_baseline;
417 // previous state (interpolating from this)
418 entity_state_t state_previous;
419 // current state (interpolating to this)
420 entity_state_t state_current;
422 // used for regenerating parts of render
423 entity_persistent_t persistent;
425 // the only data the renderer should know about
426 entity_render_t render;
430 typedef struct usercmd_s
434 // intended velocities
439 vec3_t cursor_screen;
442 vec3_t cursor_impact;
443 vec3_t cursor_normal;
444 vec_t cursor_fraction;
445 int cursor_entitynumber;
447 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
448 double receivetime; // time the move was received at
449 double clienttime; // time to which server state the move corresponds to
450 int msec; // for predicted moves
454 qboolean applied; // if false we're still accumulating a move
455 qboolean predicted; // if true the sequence should be sent as 0
457 // derived properties
464 typedef struct lightstyle_s
467 char map[MAX_STYLESTRING];
470 typedef struct scoreboard_s
472 char name[MAX_SCOREBOARDNAME];
474 int colors; // two 4 bit fields
477 char qw_userinfo[MAX_USERINFO_STRING];
483 char qw_skin[MAX_QPATH];
486 typedef struct cshift_s
489 float percent; // 0-255
490 float alphafade; // (any speed)
493 #define CSHIFT_CONTENTS 0
494 #define CSHIFT_DAMAGE 1
495 #define CSHIFT_BONUS 2
496 #define CSHIFT_POWERUP 3
497 #define CSHIFT_VCSHIFT 4
498 #define NUM_CSHIFTS 5
500 #define NAME_LENGTH 64
504 // client_state_t should hold all pieces of the client state
507 #define SIGNONS 4 // signon messages to receive before connected
509 typedef enum cactive_e
511 ca_uninitialized, // during early startup
512 ca_dedicated, // a dedicated server with no ability to start a client
513 ca_disconnected, // full screen console with no connection
514 ca_connected // valid netcon, talking to a server
518 typedef enum qw_downloadtype_e
528 typedef enum capturevideoformat_e
530 CAPTUREVIDEOFORMAT_AVI_I420,
531 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
533 capturevideoformat_t;
535 typedef struct capturevideostate_s
537 double startrealtime;
550 int soundsampleframe;
551 unsigned char *screenbuffer;
552 unsigned char *outbuffer;
553 char basename[MAX_QPATH];
556 // precomputed RGB to YUV tables
557 // converts the RGB values to YUV (see cap_avi.c for how to use them)
558 short rgbtoyuvscaletable[3][3][256];
559 unsigned char yuvnormalizetable[3][256];
561 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
562 // 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
563 unsigned short vidramp[256 * 3];
565 // stuff to be filled in by the video format module
566 capturevideoformat_t format;
567 const char *formatextension;
570 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
571 void (*endvideo) (void);
572 void (*videoframes) (int num);
573 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
575 // format specific data
576 void *formatspecific;
580 #define CL_MAX_DOWNLOADACKS 4
582 typedef struct cl_downloadack_s
588 typedef struct cl_soundstats_s
592 int latency_milliseconds;
597 // the client_static_t structure is persistent through an arbitrary number
598 // of server connections
600 typedef struct client_static_s
604 // all client memory allocations go in these pools
605 mempool_t *levelmempool;
606 mempool_t *permanentmempool;
609 // -1 = don't play demos
611 // list of demos in loop
612 char demos[MAX_DEMOS][MAX_DEMONAME];
613 // the actively playing demo (set by CL_PlayDemo_f)
614 char demoname[MAX_QPATH];
616 // demo recording info must be here, because record is started before
617 // entering a map (and clearing client_state_t)
618 qboolean demorecording;
619 fs_offset_t demo_lastcsprogssize;
620 int demo_lastcsprogscrc;
621 qboolean demoplayback;
623 // -1 = use normal cd track
626 // realtime at second frame of timedemo (LordHavoc: changed to double)
628 int td_frames; // total frames parsed
629 double td_onesecondnexttime;
630 double td_onesecondframes;
631 double td_onesecondrealtime;
632 double td_onesecondminfps;
633 double td_onesecondmaxfps;
634 double td_onesecondavgfps;
635 int td_onesecondavgcount;
636 // LordHavoc: pausedemo
639 // sound mixer statistics for showsound display
640 cl_soundstats_t soundstats;
642 qboolean connect_trying;
643 int connect_remainingtries;
644 double connect_nextsendtime;
645 lhnetsocket_t *connect_mysocket;
646 lhnetaddress_t connect_address;
647 // protocol version of the server we're connected to
648 // (kept outside client_state_t because it's used between levels)
649 protocolversion_t protocol;
653 lhnetaddress_t rcon_addresses[MAX_RCONS];
654 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
655 double rcon_timeout[MAX_RCONS];
658 // connection information
661 // network connection
664 // download information
665 // (note: qw_download variables are also used)
666 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
668 // input sequence numbers are not reset on level change, only connect
670 int servermovesequence;
672 // quakeworld stuff below
674 // value of "qport" cvar at time of connection
676 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
677 int qw_incoming_sequence;
678 int qw_outgoing_sequence;
680 // current file download buffer (only saved when file is completed)
681 char qw_downloadname[MAX_QPATH];
682 unsigned char *qw_downloadmemory;
683 int qw_downloadmemorycursize;
684 int qw_downloadmemorymaxsize;
685 int qw_downloadnumber;
686 int qw_downloadpercent;
687 qw_downloadtype_t qw_downloadtype;
688 // transfer rate display
689 double qw_downloadspeedtime;
690 int qw_downloadspeedcount;
691 int qw_downloadspeedrate;
692 qboolean qw_download_deflate;
694 // current file upload buffer (for uploading screenshots to server)
695 unsigned char *qw_uploaddata;
700 // this normally contains the following keys in quakeworld:
701 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
702 char userinfo[MAX_USERINFO_STRING];
704 // video capture stuff
705 capturevideostate_t capturevideo;
709 extern client_static_t cls;
711 typedef struct client_movementqueue_s
722 client_movementqueue_t;
728 qboolean drawenginesbar;
729 qboolean drawcrosshair;
734 PARTICLE_BILLBOARD = 0,
736 PARTICLE_ORIENTED_DOUBLESIDED = 2,
739 PARTICLE_INVALID = -1
752 typedef struct particletype_s
755 porientation_t orientation;
762 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
766 typedef struct decal_s
768 // fields used by rendering: (44 bytes)
769 unsigned short typeindex;
770 unsigned short texnum;
775 float alpha; // 0-255
776 unsigned char color[3];
777 unsigned char unused1;
778 int clusterindex; // cheap culling by pvs
780 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
781 float time2; // used for decal fade
782 unsigned int owner; // decal stuck to this entity
783 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
784 vec3_t relativeorigin; // decal at this location in entity's coordinate space
785 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
789 typedef struct particle_s
791 // fields used by rendering: (40 bytes)
792 unsigned char typeindex;
794 porientation_t orientation;
795 unsigned char texnum;
797 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
799 float alpha; // 0-255
800 unsigned char color[3];
801 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
802 float stretch; // only for sparks
804 signed char staintexnum;
805 float stainsizefactor;
807 // fields not used by rendering: (40 bytes)
808 float sizeincrease; // rate of size change per second
809 float alphafade; // how much alpha reduces per second
810 float time2; // used for snow fluttering and decal fade
811 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)
812 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
813 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
814 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
815 float delayedcollisions; // time that p->bounce becomes active
816 float delayedspawn; // time that particle appears and begins moving
817 float die; // time when this particle should be removed, regardless of alpha
821 typedef enum cl_parsingtextmode_e
823 CL_PARSETEXTMODE_NONE,
824 CL_PARSETEXTMODE_PING,
825 CL_PARSETEXTMODE_STATUS,
826 CL_PARSETEXTMODE_STATUS_PLAYERID,
827 CL_PARSETEXTMODE_STATUS_PLAYERIP
829 cl_parsingtextmode_t;
831 typedef struct cl_locnode_s
833 struct cl_locnode_s *next;
839 typedef struct showlmp_s
850 // the client_state_t structure is wiped completely at every
853 typedef struct client_state_s
855 // true if playing in a local game and no one else is connected
858 // send a clc_nop periodically until connected
861 // current input being accumulated by mouse/joystick/etc input
863 // latest moves sent to the server that have not been confirmed yet
864 usercmd_t movecmd[CL_MAX_USERCMDS];
866 // information for local display
868 int stats[MAX_CL_STATS];
869 float *statsf; // points to stats[] array
870 // last known inventory bit flags, for blinking
872 // cl.time of acquiring item, for blinking
873 float item_gettime[32];
874 // last known STAT_ACTIVEWEAPON
876 // cl.time of changing STAT_ACTIVEWEAPON
878 // use pain anim frame if cl.time < this
880 // for stair smoothing
882 double stairsmoothtime;
884 // color shifts for damage, powerups
885 cshift_t cshifts[NUM_CSHIFTS];
887 cshift_t prev_cshifts[NUM_CSHIFTS];
889 // the client maintains its own idea of view angles, which are
890 // sent to the server each frame. The server sets punchangle when
891 // the view is temporarily offset, and an angle reset commands at the start
892 // of each level and after teleporting.
894 // mviewangles is read from demo
895 // viewangles is either client controlled or lerped from mviewangles
896 vec3_t mviewangles[2], viewangles;
897 // update by server, used by qc to do weapon recoil
898 vec3_t mpunchangle[2], punchangle;
899 // update by server, can be used by mods to kick view around
900 vec3_t mpunchvector[2], punchvector;
901 // update by server, used for lean+bob (0 is newest)
902 vec3_t mvelocity[2], velocity;
903 // update by server, can be used by mods for zooming
904 vec_t mviewzoom[2], viewzoom;
905 // if true interpolation the mviewangles and other interpolation of the
906 // player is disabled until the next network packet
907 // this is used primarily by teleporters, and when spectating players
908 // special checking of the old fixangle[1] is used to differentiate
909 // between teleporting and spectating
910 qboolean fixangle[2];
912 // client movement simulation
913 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
914 // set by CL_ClientMovement_Replay functions
915 qboolean movement_predicted;
916 // if true the CL_ClientMovement_Replay function will update origin, etc
917 qboolean movement_replay;
918 // simulated data (this is valid even if cl.movement is false)
919 vec3_t movement_origin;
920 vec3_t movement_velocity;
921 // whether the replay should allow a jump at the first sequence
922 qboolean movement_replay_canjump;
924 // pitch drifting vars
931 //[515]: added for csqc purposes
932 float sensitivityscale;
933 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
934 qboolean csqc_wantsmousemove;
935 struct model_s *csqc_model_precache[MAX_MODELS];
937 // local amount for smoothing stepups
946 qboolean oldonground;
947 double lastongroundtime;
948 double hitgroundtime;
950 // don't change view angle, full screen, etc
952 // latched at intermission start
953 double completed_time;
955 // the timestamp of the last two messages
958 // clients view of time, time should be between mtime[0] and mtime[1] to
959 // generate a lerp point for other data, oldtime is the previous frame's
960 // value of time, frametime is the difference between time and oldtime
961 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
962 // is only forcefully limited when a packet is received
963 double time, oldtime;
964 // how long it has been since the previous client frame in real time
965 // (not game time, for that use cl.time - cl.oldtime)
966 double realframetime;
968 // fade var for fading while dead
971 // motionblur alpha level variable
972 float motionbluralpha;
974 // copy of realtime from last recieved message, for net trouble icon
975 float last_received_message;
977 // information that is static for the entire time connected to a server
978 struct model_s *model_precache[MAX_MODELS];
979 struct sfx_s *sound_precache[MAX_SOUNDS];
981 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
982 char model_name[MAX_MODELS][MAX_QPATH];
983 char sound_name[MAX_SOUNDS][MAX_QPATH];
985 // for display on solo scoreboard
987 // cl_entitites[cl.viewentity] = player
989 // the real player entity (normally same as viewentity,
990 // different than viewentity if mod uses chasecam or other tricks)
991 int realplayerentity;
992 // this is updated to match cl.viewentity whenever it is in the clients
993 // range, basically this is used in preference to cl.realplayerentity for
994 // most purposes because when spectating another player it should show
995 // their information rather than yours
997 // max players that can be in this game
999 // type of game (deathmatch, coop, singleplayer)
1002 // models and sounds used by engine code (particularly cl_parse.c)
1003 dp_model_t *model_bolt;
1004 dp_model_t *model_bolt2;
1005 dp_model_t *model_bolt3;
1006 dp_model_t *model_beam;
1008 sfx_t *sfx_knighthit;
1014 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1015 qboolean foundtalk2wav;
1017 // refresh related state
1019 // cl_entitites[0].model
1020 struct model_s *worldmodel;
1026 int cdtrack, looptrack;
1031 scoreboard_t *scores;
1033 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1034 cl_parsingtextmode_t parsingtextmode;
1035 int parsingtextplayerindex;
1036 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1037 // (which could eat the wrong ping report if the player issues one
1038 // manually, but they would still see a ping report, just a later one
1039 // caused by the scoreboard code rather than the one they intentionally
1041 int parsingtextexpectingpingforscores;
1043 // entity database stuff
1044 // latest received entity frame numbers
1045 #define LATESTFRAMENUMS 3
1046 int latestframenums[LATESTFRAMENUMS];
1047 entityframe_database_t *entitydatabase;
1048 entityframe4_database_t *entitydatabase4;
1049 entityframeqw_database_t *entitydatabaseqw;
1051 // keep track of quake entities because they need to be killed if they get stale
1052 int lastquakeentity;
1053 unsigned char isquakeentity[MAX_EDICTS];
1055 // bounding boxes for clientside movement
1056 vec3_t playerstandmins;
1057 vec3_t playerstandmaxs;
1058 vec3_t playercrouchmins;
1059 vec3_t playercrouchmaxs;
1061 // old decals are killed based on this
1065 int max_csqcrenderentities;
1066 int max_static_entities;
1071 int max_brushmodel_entities;
1077 entity_render_t *csqcrenderentities;
1078 unsigned char *entities_active;
1079 entity_t *static_entities;
1080 cl_effect_t *effects;
1083 lightstyle_t *lightstyle;
1084 int *brushmodel_entities;
1085 particle_t *particles;
1087 showlmp_t *showlmps;
1090 int num_static_entities;
1091 int num_brushmodel_entities;
1099 double particles_updatetime;
1100 double decals_updatetime;
1104 // cl_serverextension_download feature
1105 int loadmodel_current;
1106 int downloadmodel_current;
1107 int loadmodel_total;
1108 int loadsound_current;
1109 int downloadsound_current;
1110 int loadsound_total;
1111 qboolean downloadcsqc;
1114 qboolean loadfinished;
1118 // local copy of the server infostring
1119 char qw_serverinfo[MAX_SERVERINFO_STRING];
1121 // time of last qw "pings" command sent to server while showing scores
1122 double last_ping_request;
1124 // used during connect
1127 // updated from serverinfo
1130 // unused: indicates whether the player is spectating
1131 // use cl.scores[cl.playerentity-1].qw_spectator instead
1132 //qboolean qw_spectator;
1134 // last time an input packet was sent
1135 double lastpackettime;
1137 // movement parameters for client prediction
1138 unsigned int moveflags;
1139 float movevars_wallfriction;
1140 float movevars_waterfriction;
1141 float movevars_friction;
1142 float movevars_timescale;
1143 float movevars_gravity;
1144 float movevars_stopspeed;
1145 float movevars_maxspeed;
1146 float movevars_spectatormaxspeed;
1147 float movevars_accelerate;
1148 float movevars_airaccelerate;
1149 float movevars_wateraccelerate;
1150 float movevars_entgravity;
1151 float movevars_jumpvelocity;
1152 float movevars_edgefriction;
1153 float movevars_maxairspeed;
1154 float movevars_stepheight;
1155 float movevars_airaccel_qw;
1156 float movevars_airaccel_sideways_friction;
1157 float movevars_airstopaccelerate;
1158 float movevars_airstrafeaccelerate;
1159 float movevars_maxairstrafespeed;
1160 float movevars_aircontrol;
1161 float movevars_warsowbunny_airforwardaccel;
1162 float movevars_warsowbunny_accel;
1163 float movevars_warsowbunny_topspeed;
1164 float movevars_warsowbunny_turnaccel;
1165 float movevars_warsowbunny_backtosideratio;
1166 float movevars_ticrate;
1168 // models used by qw protocol
1169 int qw_modelindex_spike;
1170 int qw_modelindex_player;
1171 int qw_modelindex_flag;
1172 int qw_modelindex_s_explod;
1174 vec3_t qw_intermission_origin;
1175 vec3_t qw_intermission_angles;
1177 // 255 is the most nails the QW protocol could send
1179 vec_t qw_nails[255][6];
1181 float qw_weaponkick;
1183 int qw_validsequence;
1185 int qw_deltasequence[QW_UPDATE_BACKUP];
1188 // server entity number corresponding to a clientside entity
1189 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1190 qboolean csqc_loaded;
1193 qboolean csqc_usecsqclistener;
1194 matrix4x4_t csqc_listenermatrix;
1195 char csqc_printtextbuf[MAX_INPUTLINE];
1197 // collision culling data
1200 // loc file stuff (points and boxes describing locations in the level)
1201 cl_locnode_t *locnodes;
1202 // this is updated to cl.movement_origin whenever health is < 1
1203 // used by %d print in say/say_team messages if cl_locs_enable is on
1204 vec3_t lastdeathorigin;
1206 // processing buffer used by R_BuildLightMap, reallocated as needed,
1207 // freed on each level change
1208 size_t buildlightmapmemorysize;
1209 unsigned char *buildlightmapmemory;
1216 extern cvar_t cl_name;
1217 extern cvar_t cl_color;
1218 extern cvar_t cl_rate;
1219 extern cvar_t cl_pmodel;
1220 extern cvar_t cl_playermodel;
1221 extern cvar_t cl_playerskin;
1223 extern cvar_t rcon_password;
1224 extern cvar_t rcon_address;
1226 extern cvar_t cl_upspeed;
1227 extern cvar_t cl_forwardspeed;
1228 extern cvar_t cl_backspeed;
1229 extern cvar_t cl_sidespeed;
1231 extern cvar_t cl_movespeedkey;
1233 extern cvar_t cl_yawspeed;
1234 extern cvar_t cl_pitchspeed;
1236 extern cvar_t cl_anglespeedkey;
1238 extern cvar_t cl_autofire;
1240 extern cvar_t cl_shownet;
1241 extern cvar_t cl_nolerp;
1242 extern cvar_t cl_nettimesyncfactor;
1243 extern cvar_t cl_nettimesyncboundmode;
1244 extern cvar_t cl_nettimesyncboundtolerance;
1246 extern cvar_t cl_pitchdriftspeed;
1247 extern cvar_t lookspring;
1248 extern cvar_t lookstrafe;
1249 extern cvar_t sensitivity;
1251 extern cvar_t freelook;
1253 extern cvar_t m_pitch;
1254 extern cvar_t m_yaw;
1255 extern cvar_t m_forward;
1256 extern cvar_t m_side;
1258 extern cvar_t cl_autodemo;
1259 extern cvar_t cl_autodemo_nameformat;
1261 extern cvar_t r_draweffects;
1263 extern cvar_t cl_explosions_alpha_start;
1264 extern cvar_t cl_explosions_alpha_end;
1265 extern cvar_t cl_explosions_size_start;
1266 extern cvar_t cl_explosions_size_end;
1267 extern cvar_t cl_explosions_lifetime;
1268 extern cvar_t cl_stainmaps;
1269 extern cvar_t cl_stainmaps_clearonload;
1271 extern cvar_t cl_prydoncursor;
1273 extern cvar_t cl_locs_enable;
1275 extern client_state_t cl;
1277 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);
1279 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1280 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1282 //=============================================================================
1288 void CL_Shutdown (void);
1289 void CL_Init (void);
1291 void CL_EstablishConnection(const char *host);
1293 void CL_Disconnect (void);
1294 void CL_Disconnect_f (void);
1296 void CL_UpdateRenderEntity(entity_render_t *ent);
1297 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1298 void CL_UpdateViewEntities(void);
1303 typedef struct kbutton_s
1305 int down[2]; // key nums holding it down
1306 int state; // low bit is down state
1310 extern kbutton_t in_mlook, in_klook;
1311 extern kbutton_t in_strafe;
1312 extern kbutton_t in_speed;
1314 void CL_InitInput (void);
1315 void CL_SendMove (void);
1317 void CL_ValidateState(entity_state_t *s);
1318 void CL_MoveLerpEntityStates(entity_t *ent);
1319 void CL_LerpUpdate(entity_t *e);
1320 void CL_ParseTEnt (void);
1321 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1322 void CL_RelinkBeams (void);
1323 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1324 void CL_ClientMovement_Replay(void);
1326 void CL_ClearTempEntities (void);
1327 entity_render_t *CL_NewTempEntity (double shadertime);
1329 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1331 void CL_ClearState (void);
1332 void CL_ExpandEntities(int num);
1333 void CL_ExpandCSQCRenderEntities(int num);
1334 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1337 void CL_UpdateWorld (void);
1338 void CL_WriteToServer (void);
1339 void CL_Input (void);
1340 extern int cl_ignoremousemoves;
1343 float CL_KeyState (kbutton_t *key);
1344 const char *Key_KeynumToString (int keynum);
1345 int Key_StringToKeynum (const char *str);
1350 void CL_StopPlayback(void);
1351 void CL_ReadDemoMessage(void);
1352 void CL_WriteDemoMessage(sizebuf_t *mesage);
1354 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1355 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1357 void CL_NextDemo(void);
1358 void CL_Stop_f(void);
1359 void CL_Record_f(void);
1360 void CL_PlayDemo_f(void);
1361 void CL_TimeDemo_f(void);
1366 void CL_Parse_Init(void);
1367 void CL_Parse_Shutdown(void);
1368 void CL_ParseServerMessage(void);
1369 void CL_Parse_DumpPacket(void);
1370 void CL_Parse_ErrorCleanUp(void);
1371 void QW_CL_StartUpload(unsigned char *data, int size);
1372 extern cvar_t qport;
1373 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1378 void V_StartPitchDrift (void);
1379 void V_StopPitchDrift (void);
1382 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1383 void V_UpdateBlends (void);
1384 void V_ParseDamage (void);
1390 extern cvar_t cl_particles;
1391 extern cvar_t cl_particles_quality;
1392 extern cvar_t cl_particles_size;
1393 extern cvar_t cl_particles_quake;
1394 extern cvar_t cl_particles_blood;
1395 extern cvar_t cl_particles_blood_alpha;
1396 extern cvar_t cl_particles_blood_bloodhack;
1397 extern cvar_t cl_particles_bulletimpacts;
1398 extern cvar_t cl_particles_explosions_sparks;
1399 extern cvar_t cl_particles_explosions_shell;
1400 extern cvar_t cl_particles_rain;
1401 extern cvar_t cl_particles_snow;
1402 extern cvar_t cl_particles_smoke;
1403 extern cvar_t cl_particles_smoke_alpha;
1404 extern cvar_t cl_particles_smoke_alphafade;
1405 extern cvar_t cl_particles_sparks;
1406 extern cvar_t cl_particles_bubbles;
1407 extern cvar_t cl_decals;
1408 extern cvar_t cl_decals_time;
1409 extern cvar_t cl_decals_fadetime;
1411 void CL_Particles_Clear(void);
1412 void CL_Particles_Init(void);
1413 void CL_Particles_Shutdown(void);
1414 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);
1416 typedef enum effectnameindex_s
1420 EFFECT_TE_GUNSHOTQUAD,
1422 EFFECT_TE_SPIKEQUAD,
1423 EFFECT_TE_SUPERSPIKE,
1424 EFFECT_TE_SUPERSPIKEQUAD,
1426 EFFECT_TE_KNIGHTSPIKE,
1427 EFFECT_TE_EXPLOSION,
1428 EFFECT_TE_EXPLOSIONQUAD,
1429 EFFECT_TE_TAREXPLOSION,
1431 EFFECT_TE_LAVASPLASH,
1432 EFFECT_TE_SMALLFLASH,
1437 EFFECT_TE_PLASMABURN,
1439 EFFECT_TE_TEI_SMOKE,
1440 EFFECT_TE_TEI_BIGEXPLOSION,
1441 EFFECT_TE_TEI_PLASMAHIT,
1447 EFFECT_TR_SLIGHTBLOOD,
1448 EFFECT_TR_KNIGHTSPIKE,
1449 EFFECT_TR_VORESPIKE,
1450 EFFECT_TR_NEHAHRASMOKE,
1451 EFFECT_TR_NEXUIZPLASMA,
1452 EFFECT_TR_GLOWTRAIL,
1453 EFFECT_SVC_PARTICLE,
1458 int CL_ParticleEffectIndexForName(const char *name);
1459 const char *CL_ParticleEffectNameForIndex(int i);
1460 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);
1461 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);
1462 void CL_ParseParticleEffect (void);
1463 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);
1464 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1465 void CL_EntityParticles (const entity_t *ent);
1466 void CL_ParticleExplosion (const vec3_t org);
1467 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1468 void R_NewExplosion(const vec3_t org);
1470 void Debug_PolygonBegin(const char *picname, int flags);
1471 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1472 void Debug_PolygonEnd(void);
1474 #include "cl_screen.h"
1476 extern qboolean sb_showscores;
1478 float RSurf_FogVertex(const vec3_t p);
1479 float RSurf_FogPoint(const vec3_t p);
1481 typedef struct r_refdef_stats_s
1485 int entities_surfaces;
1486 int entities_triangles;
1490 int world_triangles;
1491 int lightmapupdates;
1492 int lightmapupdatepixels;
1497 int meshes_elements;
1500 int lights_scissored;
1501 int lights_lighttriangles;
1502 int lights_shadowtriangles;
1503 int lights_dynamicshadowtriangles;
1505 int bloom_copypixels;
1506 int bloom_drawpixels;
1510 typedef enum r_viewport_type_e
1512 R_VIEWPORTTYPE_ORTHO,
1513 R_VIEWPORTTYPE_PERSPECTIVE,
1514 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1515 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1516 R_VIEWPORTTYPE_TOTAL
1520 typedef struct r_viewport_s
1523 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1524 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1525 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1532 r_viewport_type_t type;
1533 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1537 typedef struct r_refdef_view_s
1539 // view information (changes multiple times per frame)
1540 // if any of these variables change then r_refdef.viewcache must be regenerated
1541 // by calling R_View_Update
1542 // (which also updates viewport, scissor, colormask)
1544 // it is safe and expected to copy this into a structure on the stack and
1545 // call the renderer recursively, then restore from the stack afterward
1546 // (as long as R_View_Update is called)
1548 // eye position information
1549 matrix4x4_t matrix, inverse_matrix;
1555 int numfrustumplanes;
1556 mplane_t frustum[6];
1557 qboolean useclipplane;
1558 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1560 float frustum_x, frustum_y;
1561 vec3_t frustumcorner[4];
1562 // if turned off it renders an ortho view
1564 float ortho_x, ortho_y;
1566 // screen area to render in
1573 r_viewport_t viewport;
1575 // which color components to allow (for anaglyph glasses)
1578 // global RGB color multiplier for rendering, this is required by HDR
1581 // whether to call R_ClearScreen before rendering stuff
1583 // if true, don't clear or do any post process effects (bloom, etc)
1586 // whether to draw r_showtris and such, this is only true for the main
1587 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1588 // distortion effects, etc) omit such debugging information
1591 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1595 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1600 typedef struct r_refdef_viewcache_s
1602 // updated by gl_main_newmap()
1604 int world_numclusters;
1605 int world_numclusterbytes;
1607 int world_numsurfaces;
1609 // these properties are generated by R_View_Update()
1611 // which entities are currently visible for this viewpoint
1612 // (the used range is 0...r_refdef.scene.numentities)
1613 unsigned char *entityvisible;
1615 // flag arrays used for visibility checking on world model
1616 // (all other entities have no per-surface/per-leaf visibility checks)
1617 unsigned char *world_pvsbits;
1618 unsigned char *world_leafvisible;
1619 unsigned char *world_surfacevisible;
1620 // if true, the view is currently in a leaf without pvs data
1621 qboolean world_novis;
1623 r_refdef_viewcache_t;
1625 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1626 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1627 typedef struct r_refdef_scene_s {
1628 // whether to call S_ExtraUpdate during render to reduce sound chop
1629 qboolean extraupdate;
1631 // (client gameworld) time for rendering time based effects
1635 entity_render_t *worldentity;
1637 // same as worldentity->model
1638 dp_model_t *worldmodel;
1640 // renderable entities (excluding world)
1641 entity_render_t **entities;
1645 // field of temporary entities that is reset each (client) frame
1646 entity_render_t *tempentities;
1647 int numtempentities;
1648 int maxtempentities;
1650 // renderable dynamic lights
1651 rtlight_t *lights[MAX_DLIGHTS];
1652 rtlight_t templights[MAX_DLIGHTS];
1655 // intensities for light styles right now, controls rtlights
1656 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1657 // 8.8bit fixed point intensities for light styles
1658 // controls intensity lightmap layers
1659 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1664 qboolean rtworldshadows;
1666 qboolean rtdlightshadows;
1669 typedef struct r_refdef_s
1671 // these fields define the basic rendering information for the world
1672 // but not the view, which could change multiple times in one rendered
1673 // frame (for example when rendering textures for certain effects)
1675 // these are set for water warping before
1676 // frustum_x/frustum_y are calculated
1677 float frustumscale_x, frustumscale_y;
1679 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1680 r_refdef_view_t view;
1681 r_refdef_viewcache_t viewcache;
1683 // minimum visible distance (pixels closer than this disappear)
1685 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1686 // in 32bpp an infinite-farclip matrix is used instead)
1689 // fullscreen color blend
1692 r_refdef_scene_t scene;
1695 float fogplaneviewdist;
1696 qboolean fogplaneviewabove;
1697 float fogheightfade;
1700 float fograngerecip;
1701 float fogmasktabledistmultiplier;
1702 #define FOGMASKTABLEWIDTH 1024
1703 float fogmasktable[FOGMASKTABLEWIDTH];
1704 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1713 float fog_fadedepth;
1714 qboolean fogenabled;
1715 qboolean oldgl_fogenable;
1717 qboolean draw2dstage;
1719 // true during envmap command capture
1722 // brightness of world lightmaps and related lighting
1723 // (often reduced when world rtlights are enabled)
1724 float lightmapintensity;
1725 // whether to draw world lights realtime, dlights realtime, and their shadows
1726 float polygonfactor;
1727 float polygonoffset;
1728 float shadowpolygonfactor;
1729 float shadowpolygonoffset;
1731 // rendering stats for r_speeds display
1732 // (these are incremented in many places)
1733 r_refdef_stats_t stats;
1737 extern r_refdef_t r_refdef;