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_GetCubemap(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];
484 char qw_skin[MAX_QPATH];
487 typedef struct cshift_s
490 float percent; // 0-255
491 float alphafade; // (any speed)
494 #define CSHIFT_CONTENTS 0
495 #define CSHIFT_DAMAGE 1
496 #define CSHIFT_BONUS 2
497 #define CSHIFT_POWERUP 3
498 #define CSHIFT_VCSHIFT 4
499 #define NUM_CSHIFTS 5
501 #define NAME_LENGTH 64
505 // client_state_t should hold all pieces of the client state
508 #define SIGNONS 4 // signon messages to receive before connected
510 typedef enum cactive_e
512 ca_uninitialized, // during early startup
513 ca_dedicated, // a dedicated server with no ability to start a client
514 ca_disconnected, // full screen console with no connection
515 ca_connected // valid netcon, talking to a server
519 typedef enum qw_downloadtype_e
529 typedef enum capturevideoformat_e
531 CAPTUREVIDEOFORMAT_AVI_I420,
532 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA,
534 capturevideoformat_t;
536 typedef struct capturevideostate_s
538 double startrealtime;
551 int soundsampleframe;
552 unsigned char *screenbuffer;
553 unsigned char *outbuffer;
554 char basename[MAX_QPATH];
557 // precomputed RGB to YUV tables
558 // converts the RGB values to YUV (see cap_avi.c for how to use them)
559 short rgbtoyuvscaletable[3][3][256];
560 unsigned char yuvnormalizetable[3][256];
562 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
563 // 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
564 unsigned short vidramp[256 * 3];
566 // stuff to be filled in by the video format module
567 capturevideoformat_t format;
568 const char *formatextension;
571 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
572 void (*endvideo) (void);
573 void (*videoframes) (int num);
574 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
576 // format specific data
577 void *formatspecific;
581 #define CL_MAX_DOWNLOADACKS 4
583 typedef struct cl_downloadack_s
589 typedef struct cl_soundstats_s
593 int latency_milliseconds;
598 // the client_static_t structure is persistent through an arbitrary number
599 // of server connections
601 typedef struct client_static_s
605 // all client memory allocations go in these pools
606 mempool_t *levelmempool;
607 mempool_t *permanentmempool;
610 // -1 = don't play demos
612 // list of demos in loop
613 char demos[MAX_DEMOS][MAX_DEMONAME];
614 // the actively playing demo (set by CL_PlayDemo_f)
615 char demoname[MAX_QPATH];
617 // demo recording info must be here, because record is started before
618 // entering a map (and clearing client_state_t)
619 qboolean demorecording;
620 fs_offset_t demo_lastcsprogssize;
621 int demo_lastcsprogscrc;
622 qboolean demoplayback;
624 // -1 = use normal cd track
627 // realtime at second frame of timedemo (LordHavoc: changed to double)
629 int td_frames; // total frames parsed
630 double td_onesecondnexttime;
631 double td_onesecondframes;
632 double td_onesecondrealtime;
633 double td_onesecondminfps;
634 double td_onesecondmaxfps;
635 double td_onesecondavgfps;
636 int td_onesecondavgcount;
637 // LordHavoc: pausedemo
640 // sound mixer statistics for showsound display
641 cl_soundstats_t soundstats;
643 qboolean connect_trying;
644 int connect_remainingtries;
645 double connect_nextsendtime;
646 lhnetsocket_t *connect_mysocket;
647 lhnetaddress_t connect_address;
648 // protocol version of the server we're connected to
649 // (kept outside client_state_t because it's used between levels)
650 protocolversion_t protocol;
654 lhnetaddress_t rcon_addresses[MAX_RCONS];
655 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
656 double rcon_timeout[MAX_RCONS];
659 // connection information
662 // network connection
665 // download information
666 // (note: qw_download variables are also used)
667 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
669 // input sequence numbers are not reset on level change, only connect
671 int servermovesequence;
673 // quakeworld stuff below
675 // value of "qport" cvar at time of connection
677 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
678 int qw_incoming_sequence;
679 int qw_outgoing_sequence;
681 // current file download buffer (only saved when file is completed)
682 char qw_downloadname[MAX_QPATH];
683 unsigned char *qw_downloadmemory;
684 int qw_downloadmemorycursize;
685 int qw_downloadmemorymaxsize;
686 int qw_downloadnumber;
687 int qw_downloadpercent;
688 qw_downloadtype_t qw_downloadtype;
689 // transfer rate display
690 double qw_downloadspeedtime;
691 int qw_downloadspeedcount;
692 int qw_downloadspeedrate;
693 qboolean qw_download_deflate;
695 // current file upload buffer (for uploading screenshots to server)
696 unsigned char *qw_uploaddata;
701 // this normally contains the following keys in quakeworld:
702 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
703 char userinfo[MAX_USERINFO_STRING];
705 // video capture stuff
706 capturevideostate_t capturevideo;
710 extern client_static_t cls;
712 typedef struct client_movementqueue_s
723 client_movementqueue_t;
729 qboolean drawenginesbar;
730 qboolean drawcrosshair;
735 PARTICLE_BILLBOARD = 0,
737 PARTICLE_ORIENTED_DOUBLESIDED = 2,
740 PARTICLE_INVALID = -1
753 typedef struct particletype_s
756 porientation_t orientation;
763 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
767 typedef struct decal_s
769 // fields used by rendering: (44 bytes)
770 unsigned short typeindex;
771 unsigned short texnum;
776 float alpha; // 0-255
777 unsigned char color[3];
778 unsigned char unused1;
779 int clusterindex; // cheap culling by pvs
781 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
782 float time2; // used for decal fade
783 unsigned int owner; // decal stuck to this entity
784 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
785 vec3_t relativeorigin; // decal at this location in entity's coordinate space
786 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
790 typedef struct particle_s
792 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
794 // fields used by rendering: (48 bytes)
795 vec3_t sortorigin; // sort by this group origin, not particle org
797 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
799 float alpha; // 0-255
800 float stretch; // only for sparks
802 // fields not used by rendering: (44 bytes)
805 float sizeincrease; // rate of size change per second
806 float alphafade; // how much alpha reduces per second
807 float time2; // used for snow fluttering and decal fade
808 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)
809 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
810 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
811 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
812 // float delayedcollisions; // time that p->bounce becomes active
813 float delayedspawn; // time that particle appears and begins moving
814 float die; // time when this particle should be removed, regardless of alpha
816 // short variables grouped to save memory (4 bytes)
817 short angle; // base rotation of particle
818 short spin; // geometry rotation speed around the particle center normal
820 // byte variables grouped to save memory (12 bytes)
821 unsigned char color[3];
822 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
823 unsigned char typeindex;
824 unsigned char blendmode;
825 unsigned char orientation;
826 unsigned char texnum;
827 unsigned char staincolor[3];
828 signed char staintexnum;
832 typedef enum cl_parsingtextmode_e
834 CL_PARSETEXTMODE_NONE,
835 CL_PARSETEXTMODE_PING,
836 CL_PARSETEXTMODE_STATUS,
837 CL_PARSETEXTMODE_STATUS_PLAYERID,
838 CL_PARSETEXTMODE_STATUS_PLAYERIP
840 cl_parsingtextmode_t;
842 typedef struct cl_locnode_s
844 struct cl_locnode_s *next;
850 typedef struct showlmp_s
861 // the client_state_t structure is wiped completely at every
864 typedef struct client_state_s
866 // true if playing in a local game and no one else is connected
869 // send a clc_nop periodically until connected
872 // current input being accumulated by mouse/joystick/etc input
874 // latest moves sent to the server that have not been confirmed yet
875 usercmd_t movecmd[CL_MAX_USERCMDS];
877 // information for local display
879 int stats[MAX_CL_STATS];
880 float *statsf; // points to stats[] array
881 // last known inventory bit flags, for blinking
883 // cl.time of acquiring item, for blinking
884 float item_gettime[32];
885 // last known STAT_ACTIVEWEAPON
887 // cl.time of changing STAT_ACTIVEWEAPON
889 // use pain anim frame if cl.time < this
891 // for stair smoothing
893 double stairsmoothtime;
895 // color shifts for damage, powerups
896 cshift_t cshifts[NUM_CSHIFTS];
898 cshift_t prev_cshifts[NUM_CSHIFTS];
900 // the client maintains its own idea of view angles, which are
901 // sent to the server each frame. The server sets punchangle when
902 // the view is temporarily offset, and an angle reset commands at the start
903 // of each level and after teleporting.
905 // mviewangles is read from demo
906 // viewangles is either client controlled or lerped from mviewangles
907 vec3_t mviewangles[2], viewangles;
908 // update by server, used by qc to do weapon recoil
909 vec3_t mpunchangle[2], punchangle;
910 // update by server, can be used by mods to kick view around
911 vec3_t mpunchvector[2], punchvector;
912 // update by server, used for lean+bob (0 is newest)
913 vec3_t mvelocity[2], velocity;
914 // update by server, can be used by mods for zooming
915 vec_t mviewzoom[2], viewzoom;
916 // if true interpolation the mviewangles and other interpolation of the
917 // player is disabled until the next network packet
918 // this is used primarily by teleporters, and when spectating players
919 // special checking of the old fixangle[1] is used to differentiate
920 // between teleporting and spectating
921 qboolean fixangle[2];
923 // client movement simulation
924 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
925 // set by CL_ClientMovement_Replay functions
926 qboolean movement_predicted;
927 // if true the CL_ClientMovement_Replay function will update origin, etc
928 qboolean movement_replay;
929 // simulated data (this is valid even if cl.movement is false)
930 vec3_t movement_origin;
931 vec3_t movement_velocity;
932 // whether the replay should allow a jump at the first sequence
933 qboolean movement_replay_canjump;
935 // pitch drifting vars
942 //[515]: added for csqc purposes
943 float sensitivityscale;
944 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
945 qboolean csqc_wantsmousemove;
946 struct model_s *csqc_model_precache[MAX_MODELS];
948 // local amount for smoothing stepups
957 qboolean oldonground;
958 double lastongroundtime;
959 double hitgroundtime;
961 // don't change view angle, full screen, etc
963 // latched at intermission start
964 double completed_time;
966 // the timestamp of the last two messages
969 // clients view of time, time should be between mtime[0] and mtime[1] to
970 // generate a lerp point for other data, oldtime is the previous frame's
971 // value of time, frametime is the difference between time and oldtime
972 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
973 // is only forcefully limited when a packet is received
974 double time, oldtime;
975 // how long it has been since the previous client frame in real time
976 // (not game time, for that use cl.time - cl.oldtime)
977 double realframetime;
979 // fade var for fading while dead
982 // motionblur alpha level variable
983 float motionbluralpha;
985 // copy of realtime from last recieved message, for net trouble icon
986 float last_received_message;
988 // information that is static for the entire time connected to a server
989 struct model_s *model_precache[MAX_MODELS];
990 struct sfx_s *sound_precache[MAX_SOUNDS];
992 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
993 char model_name[MAX_MODELS][MAX_QPATH];
994 char sound_name[MAX_SOUNDS][MAX_QPATH];
996 // for display on solo scoreboard
998 // cl_entitites[cl.viewentity] = player
1000 // the real player entity (normally same as viewentity,
1001 // different than viewentity if mod uses chasecam or other tricks)
1002 int realplayerentity;
1003 // this is updated to match cl.viewentity whenever it is in the clients
1004 // range, basically this is used in preference to cl.realplayerentity for
1005 // most purposes because when spectating another player it should show
1006 // their information rather than yours
1008 // max players that can be in this game
1010 // type of game (deathmatch, coop, singleplayer)
1013 // models and sounds used by engine code (particularly cl_parse.c)
1014 dp_model_t *model_bolt;
1015 dp_model_t *model_bolt2;
1016 dp_model_t *model_bolt3;
1017 dp_model_t *model_beam;
1019 sfx_t *sfx_knighthit;
1025 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1026 qboolean foundtalk2wav;
1028 // refresh related state
1030 // cl_entitites[0].model
1031 struct model_s *worldmodel;
1037 int cdtrack, looptrack;
1042 scoreboard_t *scores;
1044 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1045 cl_parsingtextmode_t parsingtextmode;
1046 int parsingtextplayerindex;
1047 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1048 // (which could eat the wrong ping report if the player issues one
1049 // manually, but they would still see a ping report, just a later one
1050 // caused by the scoreboard code rather than the one they intentionally
1052 int parsingtextexpectingpingforscores;
1054 // entity database stuff
1055 // latest received entity frame numbers
1056 #define LATESTFRAMENUMS 32
1057 int latestframenumsposition;
1058 int latestframenums[LATESTFRAMENUMS];
1059 int latestsendnums[LATESTFRAMENUMS];
1060 entityframe_database_t *entitydatabase;
1061 entityframe4_database_t *entitydatabase4;
1062 entityframeqw_database_t *entitydatabaseqw;
1064 // keep track of quake entities because they need to be killed if they get stale
1065 int lastquakeentity;
1066 unsigned char isquakeentity[MAX_EDICTS];
1068 // bounding boxes for clientside movement
1069 vec3_t playerstandmins;
1070 vec3_t playerstandmaxs;
1071 vec3_t playercrouchmins;
1072 vec3_t playercrouchmaxs;
1074 // old decals are killed based on this
1078 int max_csqcrenderentities;
1079 int max_static_entities;
1084 int max_brushmodel_entities;
1090 entity_render_t *csqcrenderentities;
1091 unsigned char *entities_active;
1092 entity_t *static_entities;
1093 cl_effect_t *effects;
1096 lightstyle_t *lightstyle;
1097 int *brushmodel_entities;
1098 particle_t *particles;
1100 showlmp_t *showlmps;
1103 int num_static_entities;
1104 int num_brushmodel_entities;
1112 double particles_updatetime;
1113 double decals_updatetime;
1117 // cl_serverextension_download feature
1118 int loadmodel_current;
1119 int downloadmodel_current;
1120 int loadmodel_total;
1121 int loadsound_current;
1122 int downloadsound_current;
1123 int loadsound_total;
1124 qboolean downloadcsqc;
1127 qboolean loadfinished;
1131 // local copy of the server infostring
1132 char qw_serverinfo[MAX_SERVERINFO_STRING];
1134 // time of last qw "pings" command sent to server while showing scores
1135 double last_ping_request;
1137 // used during connect
1140 // updated from serverinfo
1143 // unused: indicates whether the player is spectating
1144 // use cl.scores[cl.playerentity-1].qw_spectator instead
1145 //qboolean qw_spectator;
1147 // last time an input packet was sent
1148 double lastpackettime;
1150 // movement parameters for client prediction
1151 unsigned int moveflags;
1152 float movevars_wallfriction;
1153 float movevars_waterfriction;
1154 float movevars_friction;
1155 float movevars_timescale;
1156 float movevars_gravity;
1157 float movevars_stopspeed;
1158 float movevars_maxspeed;
1159 float movevars_spectatormaxspeed;
1160 float movevars_accelerate;
1161 float movevars_airaccelerate;
1162 float movevars_wateraccelerate;
1163 float movevars_entgravity;
1164 float movevars_jumpvelocity;
1165 float movevars_edgefriction;
1166 float movevars_maxairspeed;
1167 float movevars_stepheight;
1168 float movevars_airaccel_qw;
1169 float movevars_airaccel_sideways_friction;
1170 float movevars_airstopaccelerate;
1171 float movevars_airstrafeaccelerate;
1172 float movevars_maxairstrafespeed;
1173 float movevars_aircontrol;
1174 float movevars_warsowbunny_airforwardaccel;
1175 float movevars_warsowbunny_accel;
1176 float movevars_warsowbunny_topspeed;
1177 float movevars_warsowbunny_turnaccel;
1178 float movevars_warsowbunny_backtosideratio;
1179 float movevars_ticrate;
1181 // models used by qw protocol
1182 int qw_modelindex_spike;
1183 int qw_modelindex_player;
1184 int qw_modelindex_flag;
1185 int qw_modelindex_s_explod;
1187 vec3_t qw_intermission_origin;
1188 vec3_t qw_intermission_angles;
1190 // 255 is the most nails the QW protocol could send
1192 vec_t qw_nails[255][6];
1194 float qw_weaponkick;
1196 int qw_validsequence;
1198 int qw_deltasequence[QW_UPDATE_BACKUP];
1201 // server entity number corresponding to a clientside entity
1202 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1203 qboolean csqc_loaded;
1206 qboolean csqc_usecsqclistener;
1207 matrix4x4_t csqc_listenermatrix;
1208 char csqc_printtextbuf[MAX_INPUTLINE];
1210 // collision culling data
1213 // loc file stuff (points and boxes describing locations in the level)
1214 cl_locnode_t *locnodes;
1215 // this is updated to cl.movement_origin whenever health is < 1
1216 // used by %d print in say/say_team messages if cl_locs_enable is on
1217 vec3_t lastdeathorigin;
1219 // processing buffer used by R_BuildLightMap, reallocated as needed,
1220 // freed on each level change
1221 size_t buildlightmapmemorysize;
1222 unsigned char *buildlightmapmemory;
1229 extern cvar_t cl_name;
1230 extern cvar_t cl_color;
1231 extern cvar_t cl_rate;
1232 extern cvar_t cl_pmodel;
1233 extern cvar_t cl_playermodel;
1234 extern cvar_t cl_playerskin;
1236 extern cvar_t rcon_password;
1237 extern cvar_t rcon_address;
1239 extern cvar_t cl_upspeed;
1240 extern cvar_t cl_forwardspeed;
1241 extern cvar_t cl_backspeed;
1242 extern cvar_t cl_sidespeed;
1244 extern cvar_t cl_movespeedkey;
1246 extern cvar_t cl_yawspeed;
1247 extern cvar_t cl_pitchspeed;
1249 extern cvar_t cl_anglespeedkey;
1251 extern cvar_t cl_autofire;
1253 extern cvar_t cl_shownet;
1254 extern cvar_t cl_nolerp;
1255 extern cvar_t cl_nettimesyncfactor;
1256 extern cvar_t cl_nettimesyncboundmode;
1257 extern cvar_t cl_nettimesyncboundtolerance;
1259 extern cvar_t cl_pitchdriftspeed;
1260 extern cvar_t lookspring;
1261 extern cvar_t lookstrafe;
1262 extern cvar_t sensitivity;
1264 extern cvar_t freelook;
1266 extern cvar_t m_pitch;
1267 extern cvar_t m_yaw;
1268 extern cvar_t m_forward;
1269 extern cvar_t m_side;
1271 extern cvar_t cl_autodemo;
1272 extern cvar_t cl_autodemo_nameformat;
1274 extern cvar_t r_draweffects;
1276 extern cvar_t cl_explosions_alpha_start;
1277 extern cvar_t cl_explosions_alpha_end;
1278 extern cvar_t cl_explosions_size_start;
1279 extern cvar_t cl_explosions_size_end;
1280 extern cvar_t cl_explosions_lifetime;
1281 extern cvar_t cl_stainmaps;
1282 extern cvar_t cl_stainmaps_clearonload;
1284 extern cvar_t cl_prydoncursor;
1286 extern cvar_t cl_locs_enable;
1288 extern client_state_t cl;
1290 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);
1292 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1293 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1295 //=============================================================================
1301 void CL_Shutdown (void);
1302 void CL_Init (void);
1304 void CL_EstablishConnection(const char *host);
1306 void CL_Disconnect (void);
1307 void CL_Disconnect_f (void);
1309 void CL_UpdateRenderEntity(entity_render_t *ent);
1310 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1311 void CL_UpdateViewEntities(void);
1316 typedef struct kbutton_s
1318 int down[2]; // key nums holding it down
1319 int state; // low bit is down state
1323 extern kbutton_t in_mlook, in_klook;
1324 extern kbutton_t in_strafe;
1325 extern kbutton_t in_speed;
1327 void CL_InitInput (void);
1328 void CL_SendMove (void);
1330 void CL_ValidateState(entity_state_t *s);
1331 void CL_MoveLerpEntityStates(entity_t *ent);
1332 void CL_LerpUpdate(entity_t *e);
1333 void CL_ParseTEnt (void);
1334 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1335 void CL_RelinkBeams (void);
1336 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1337 void CL_ClientMovement_Replay(void);
1339 void CL_ClearTempEntities (void);
1340 entity_render_t *CL_NewTempEntity (double shadertime);
1342 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1344 void CL_ClearState (void);
1345 void CL_ExpandEntities(int num);
1346 void CL_ExpandCSQCRenderEntities(int num);
1347 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1350 void CL_UpdateWorld (void);
1351 void CL_WriteToServer (void);
1352 void CL_Input (void);
1353 extern int cl_ignoremousemoves;
1356 float CL_KeyState (kbutton_t *key);
1357 const char *Key_KeynumToString (int keynum);
1358 int Key_StringToKeynum (const char *str);
1363 void CL_StopPlayback(void);
1364 void CL_ReadDemoMessage(void);
1365 void CL_WriteDemoMessage(sizebuf_t *mesage);
1367 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1368 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1370 void CL_NextDemo(void);
1371 void CL_Stop_f(void);
1372 void CL_Record_f(void);
1373 void CL_PlayDemo_f(void);
1374 void CL_TimeDemo_f(void);
1379 void CL_Parse_Init(void);
1380 void CL_Parse_Shutdown(void);
1381 void CL_ParseServerMessage(void);
1382 void CL_Parse_DumpPacket(void);
1383 void CL_Parse_ErrorCleanUp(void);
1384 void QW_CL_StartUpload(unsigned char *data, int size);
1385 extern cvar_t qport;
1386 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1391 void V_StartPitchDrift (void);
1392 void V_StopPitchDrift (void);
1395 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1396 void V_UpdateBlends (void);
1397 void V_ParseDamage (void);
1403 extern cvar_t cl_particles;
1404 extern cvar_t cl_particles_quality;
1405 extern cvar_t cl_particles_size;
1406 extern cvar_t cl_particles_quake;
1407 extern cvar_t cl_particles_blood;
1408 extern cvar_t cl_particles_blood_alpha;
1409 extern cvar_t cl_particles_blood_decal_alpha;
1410 extern cvar_t cl_particles_blood_decal_scalemin;
1411 extern cvar_t cl_particles_blood_decal_scalemax;
1412 extern cvar_t cl_particles_blood_bloodhack;
1413 extern cvar_t cl_particles_bulletimpacts;
1414 extern cvar_t cl_particles_explosions_sparks;
1415 extern cvar_t cl_particles_explosions_shell;
1416 extern cvar_t cl_particles_rain;
1417 extern cvar_t cl_particles_snow;
1418 extern cvar_t cl_particles_smoke;
1419 extern cvar_t cl_particles_smoke_alpha;
1420 extern cvar_t cl_particles_smoke_alphafade;
1421 extern cvar_t cl_particles_sparks;
1422 extern cvar_t cl_particles_bubbles;
1423 extern cvar_t cl_decals;
1424 extern cvar_t cl_decals_time;
1425 extern cvar_t cl_decals_fadetime;
1427 void CL_Particles_Clear(void);
1428 void CL_Particles_Init(void);
1429 void CL_Particles_Shutdown(void);
1430 particle_t *CL_NewParticle(const vec3_t sortorigin, 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, float stainalpha, float stainsize, float angle, float spin);
1432 typedef enum effectnameindex_s
1436 EFFECT_TE_GUNSHOTQUAD,
1438 EFFECT_TE_SPIKEQUAD,
1439 EFFECT_TE_SUPERSPIKE,
1440 EFFECT_TE_SUPERSPIKEQUAD,
1442 EFFECT_TE_KNIGHTSPIKE,
1443 EFFECT_TE_EXPLOSION,
1444 EFFECT_TE_EXPLOSIONQUAD,
1445 EFFECT_TE_TAREXPLOSION,
1447 EFFECT_TE_LAVASPLASH,
1448 EFFECT_TE_SMALLFLASH,
1453 EFFECT_TE_PLASMABURN,
1455 EFFECT_TE_TEI_SMOKE,
1456 EFFECT_TE_TEI_BIGEXPLOSION,
1457 EFFECT_TE_TEI_PLASMAHIT,
1463 EFFECT_TR_SLIGHTBLOOD,
1464 EFFECT_TR_KNIGHTSPIKE,
1465 EFFECT_TR_VORESPIKE,
1466 EFFECT_TR_NEHAHRASMOKE,
1467 EFFECT_TR_NEXUIZPLASMA,
1468 EFFECT_TR_GLOWTRAIL,
1469 EFFECT_SVC_PARTICLE,
1474 int CL_ParticleEffectIndexForName(const char *name);
1475 const char *CL_ParticleEffectNameForIndex(int i);
1476 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);
1477 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);
1478 void CL_ParseParticleEffect (void);
1479 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);
1480 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1481 void CL_EntityParticles (const entity_t *ent);
1482 void CL_ParticleExplosion (const vec3_t org);
1483 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1484 void R_NewExplosion(const vec3_t org);
1486 void Debug_PolygonBegin(const char *picname, int flags);
1487 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1488 void Debug_PolygonEnd(void);
1490 #include "cl_screen.h"
1492 extern qboolean sb_showscores;
1494 float RSurf_FogVertex(const vec3_t p);
1495 float RSurf_FogPoint(const vec3_t p);
1497 typedef struct r_refdef_stats_s
1501 int entities_surfaces;
1502 int entities_triangles;
1506 int world_triangles;
1507 int lightmapupdates;
1508 int lightmapupdatepixels;
1513 int meshes_elements;
1516 int lights_scissored;
1517 int lights_lighttriangles;
1518 int lights_shadowtriangles;
1519 int lights_dynamicshadowtriangles;
1521 int bloom_copypixels;
1522 int bloom_drawpixels;
1526 typedef enum r_viewport_type_e
1528 R_VIEWPORTTYPE_ORTHO,
1529 R_VIEWPORTTYPE_PERSPECTIVE,
1530 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1531 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1532 R_VIEWPORTTYPE_TOTAL
1536 typedef struct r_viewport_s
1538 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1539 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1540 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1547 r_viewport_type_t type;
1548 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1552 typedef struct r_refdef_view_s
1554 // view information (changes multiple times per frame)
1555 // if any of these variables change then r_refdef.viewcache must be regenerated
1556 // by calling R_View_Update
1557 // (which also updates viewport, scissor, colormask)
1559 // it is safe and expected to copy this into a structure on the stack and
1560 // call the renderer recursively, then restore from the stack afterward
1561 // (as long as R_View_Update is called)
1563 // eye position information
1564 matrix4x4_t matrix, inverse_matrix;
1570 int numfrustumplanes;
1571 mplane_t frustum[6];
1572 qboolean useclipplane;
1573 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1575 float frustum_x, frustum_y;
1576 vec3_t frustumcorner[4];
1577 // if turned off it renders an ortho view
1579 float ortho_x, ortho_y;
1581 // screen area to render in
1588 r_viewport_t viewport;
1590 // which color components to allow (for anaglyph glasses)
1593 // global RGB color multiplier for rendering, this is required by HDR
1596 // whether to call R_ClearScreen before rendering stuff
1598 // if true, don't clear or do any post process effects (bloom, etc)
1601 // whether to draw r_showtris and such, this is only true for the main
1602 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1603 // distortion effects, etc) omit such debugging information
1606 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1610 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1615 typedef struct r_refdef_viewcache_s
1617 // updated by gl_main_newmap()
1619 int world_numclusters;
1620 int world_numclusterbytes;
1622 int world_numsurfaces;
1624 // these properties are generated by R_View_Update()
1626 // which entities are currently visible for this viewpoint
1627 // (the used range is 0...r_refdef.scene.numentities)
1628 unsigned char *entityvisible;
1630 // flag arrays used for visibility checking on world model
1631 // (all other entities have no per-surface/per-leaf visibility checks)
1632 unsigned char *world_pvsbits;
1633 unsigned char *world_leafvisible;
1634 unsigned char *world_surfacevisible;
1635 // if true, the view is currently in a leaf without pvs data
1636 qboolean world_novis;
1638 r_refdef_viewcache_t;
1640 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1641 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1642 typedef struct r_refdef_scene_s {
1643 // whether to call S_ExtraUpdate during render to reduce sound chop
1644 qboolean extraupdate;
1646 // (client gameworld) time for rendering time based effects
1650 entity_render_t *worldentity;
1652 // same as worldentity->model
1653 dp_model_t *worldmodel;
1655 // renderable entities (excluding world)
1656 entity_render_t **entities;
1660 // field of temporary entities that is reset each (client) frame
1661 entity_render_t *tempentities;
1662 int numtempentities;
1663 int maxtempentities;
1665 // renderable dynamic lights
1666 rtlight_t *lights[MAX_DLIGHTS];
1667 rtlight_t templights[MAX_DLIGHTS];
1670 // intensities for light styles right now, controls rtlights
1671 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1672 // 8.8bit fixed point intensities for light styles
1673 // controls intensity lightmap layers
1674 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1679 qboolean rtworldshadows;
1681 qboolean rtdlightshadows;
1684 typedef struct r_refdef_s
1686 // these fields define the basic rendering information for the world
1687 // but not the view, which could change multiple times in one rendered
1688 // frame (for example when rendering textures for certain effects)
1690 // these are set for water warping before
1691 // frustum_x/frustum_y are calculated
1692 float frustumscale_x, frustumscale_y;
1694 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1695 r_refdef_view_t view;
1696 r_refdef_viewcache_t viewcache;
1698 // minimum visible distance (pixels closer than this disappear)
1700 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1701 // in 32bpp an infinite-farclip matrix is used instead)
1704 // fullscreen color blend
1707 r_refdef_scene_t scene;
1710 float fogplaneviewdist;
1711 qboolean fogplaneviewabove;
1712 float fogheightfade;
1715 float fograngerecip;
1716 float fogmasktabledistmultiplier;
1717 #define FOGMASKTABLEWIDTH 1024
1718 float fogmasktable[FOGMASKTABLEWIDTH];
1719 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1728 float fog_fadedepth;
1729 qboolean fogenabled;
1730 qboolean oldgl_fogenable;
1732 qboolean draw2dstage;
1734 // true during envmap command capture
1737 // brightness of world lightmaps and related lighting
1738 // (often reduced when world rtlights are enabled)
1739 float lightmapintensity;
1740 // whether to draw world lights realtime, dlights realtime, and their shadows
1741 float polygonfactor;
1742 float polygonoffset;
1743 float shadowpolygonfactor;
1744 float shadowpolygonoffset;
1746 // rendering stats for r_speeds display
1747 // (these are incremented in many places)
1748 r_refdef_stats_t stats;
1752 extern r_refdef_t r_refdef;