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;
371 // interleaved arrays for rendering and dynamic vertex buffers for them
372 r_vertexposition_t *animcache_vertexposition;
373 r_meshbuffer_t *animcache_vertexpositionbuffer;
374 r_vertexmesh_t *animcache_vertexmesh;
375 r_meshbuffer_t *animcache_vertexmeshbuffer;
377 // current lighting from map (updated ONLY by client code, not renderer)
378 vec3_t modellight_ambient;
379 vec3_t modellight_diffuse; // q3bsp
380 vec3_t modellight_lightdir; // q3bsp
382 // storage of decals on this entity
383 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
385 decalsystem_t decalsystem;
387 // FIELDS UPDATED BY RENDERER:
388 // last time visible during trace culling
389 double last_trace_visibility;
391 // user wavefunc parameters (from csqc)
392 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
396 typedef struct entity_persistent_s
402 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
404 // muzzleflash fading
407 // interpolated movement
409 // start time of move
411 // time difference from start to end of move
413 // the move itself, start and end
421 typedef struct entity_s
423 // baseline state (default values)
424 entity_state_t state_baseline;
425 // previous state (interpolating from this)
426 entity_state_t state_previous;
427 // current state (interpolating to this)
428 entity_state_t state_current;
430 // used for regenerating parts of render
431 entity_persistent_t persistent;
433 // the only data the renderer should know about
434 entity_render_t render;
438 typedef struct usercmd_s
442 // intended velocities
447 vec3_t cursor_screen;
450 vec3_t cursor_impact;
451 vec3_t cursor_normal;
452 vec_t cursor_fraction;
453 int cursor_entitynumber;
455 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
456 double receivetime; // time the move was received at
457 double clienttime; // time to which server state the move corresponds to
458 int msec; // for predicted moves
462 qboolean applied; // if false we're still accumulating a move
463 qboolean predicted; // if true the sequence should be sent as 0
465 // derived properties
472 typedef struct lightstyle_s
475 char map[MAX_STYLESTRING];
478 typedef struct scoreboard_s
480 char name[MAX_SCOREBOARDNAME];
482 int colors; // two 4 bit fields
485 char qw_userinfo[MAX_USERINFO_STRING];
492 char qw_skin[MAX_QPATH];
495 typedef struct cshift_s
498 float percent; // 0-255
499 float alphafade; // (any speed)
502 #define CSHIFT_CONTENTS 0
503 #define CSHIFT_DAMAGE 1
504 #define CSHIFT_BONUS 2
505 #define CSHIFT_POWERUP 3
506 #define CSHIFT_VCSHIFT 4
507 #define NUM_CSHIFTS 5
509 #define NAME_LENGTH 64
513 // client_state_t should hold all pieces of the client state
516 #define SIGNONS 4 // signon messages to receive before connected
518 typedef enum cactive_e
520 ca_uninitialized, // during early startup
521 ca_dedicated, // a dedicated server with no ability to start a client
522 ca_disconnected, // full screen console with no connection
523 ca_connected // valid netcon, talking to a server
527 typedef enum qw_downloadtype_e
537 typedef enum capturevideoformat_e
539 CAPTUREVIDEOFORMAT_AVI_I420,
540 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
542 capturevideoformat_t;
544 typedef struct capturevideostate_s
546 double startrealtime;
559 int soundsampleframe;
560 unsigned char *screenbuffer;
561 unsigned char *outbuffer;
562 char basename[MAX_QPATH];
565 // precomputed RGB to YUV tables
566 // converts the RGB values to YUV (see cap_avi.c for how to use them)
567 short rgbtoyuvscaletable[3][3][256];
568 unsigned char yuvnormalizetable[3][256];
570 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
571 // 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
572 unsigned short vidramp[256 * 3];
574 // stuff to be filled in by the video format module
575 capturevideoformat_t format;
576 const char *formatextension;
579 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
580 void (*endvideo) (void);
581 void (*videoframes) (int num);
582 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
584 // format specific data
585 void *formatspecific;
589 #define CL_MAX_DOWNLOADACKS 4
591 typedef struct cl_downloadack_s
597 typedef struct cl_soundstats_s
601 int latency_milliseconds;
606 // the client_static_t structure is persistent through an arbitrary number
607 // of server connections
609 typedef struct client_static_s
613 // all client memory allocations go in these pools
614 mempool_t *levelmempool;
615 mempool_t *permanentmempool;
618 // -1 = don't play demos
620 // list of demos in loop
621 char demos[MAX_DEMOS][MAX_DEMONAME];
622 // the actively playing demo (set by CL_PlayDemo_f)
623 char demoname[MAX_QPATH];
625 // demo recording info must be here, because record is started before
626 // entering a map (and clearing client_state_t)
627 qboolean demorecording;
628 fs_offset_t demo_lastcsprogssize;
629 int demo_lastcsprogscrc;
630 qboolean demoplayback;
632 // -1 = use normal cd track
635 // realtime at second frame of timedemo (LordHavoc: changed to double)
637 int td_frames; // total frames parsed
638 double td_onesecondnexttime;
639 double td_onesecondframes;
640 double td_onesecondrealtime;
641 double td_onesecondminfps;
642 double td_onesecondmaxfps;
643 double td_onesecondavgfps;
644 int td_onesecondavgcount;
645 // LordHavoc: pausedemo
648 // sound mixer statistics for showsound display
649 cl_soundstats_t soundstats;
651 qboolean connect_trying;
652 int connect_remainingtries;
653 double connect_nextsendtime;
654 lhnetsocket_t *connect_mysocket;
655 lhnetaddress_t connect_address;
656 // protocol version of the server we're connected to
657 // (kept outside client_state_t because it's used between levels)
658 protocolversion_t protocol;
662 lhnetaddress_t rcon_addresses[MAX_RCONS];
663 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
664 double rcon_timeout[MAX_RCONS];
667 // connection information
670 // network connection
673 // download information
674 // (note: qw_download variables are also used)
675 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
677 // input sequence numbers are not reset on level change, only connect
679 int servermovesequence;
681 // quakeworld stuff below
683 // value of "qport" cvar at time of connection
685 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
686 int qw_incoming_sequence;
687 int qw_outgoing_sequence;
689 // current file download buffer (only saved when file is completed)
690 char qw_downloadname[MAX_QPATH];
691 unsigned char *qw_downloadmemory;
692 int qw_downloadmemorycursize;
693 int qw_downloadmemorymaxsize;
694 int qw_downloadnumber;
695 int qw_downloadpercent;
696 qw_downloadtype_t qw_downloadtype;
697 // transfer rate display
698 double qw_downloadspeedtime;
699 int qw_downloadspeedcount;
700 int qw_downloadspeedrate;
701 qboolean qw_download_deflate;
703 // current file upload buffer (for uploading screenshots to server)
704 unsigned char *qw_uploaddata;
709 // this normally contains the following keys in quakeworld:
710 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
711 char userinfo[MAX_USERINFO_STRING];
713 // extra user info for the "connect" command
714 char connect_userinfo[MAX_USERINFO_STRING];
716 // video capture stuff
717 capturevideostate_t capturevideo;
722 // ProQuake compatibility stuff
723 int proquake_servermod; // 0 = not proquake, 1 = proquake
724 int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
725 int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
729 extern client_static_t cls;
731 typedef struct client_movementqueue_s
742 client_movementqueue_t;
748 qboolean drawenginesbar;
749 qboolean drawcrosshair;
754 PARTICLE_BILLBOARD = 0,
756 PARTICLE_ORIENTED_DOUBLESIDED = 2,
759 PARTICLE_INVALID = -1
772 typedef struct particletype_s
775 porientation_t orientation;
782 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
786 typedef struct decal_s
788 // fields used by rendering: (44 bytes)
789 unsigned short typeindex;
790 unsigned short texnum;
795 float alpha; // 0-255
796 unsigned char color[3];
797 unsigned char unused1;
798 int clusterindex; // cheap culling by pvs
800 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
801 float time2; // used for decal fade
802 unsigned int owner; // decal stuck to this entity
803 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
804 vec3_t relativeorigin; // decal at this location in entity's coordinate space
805 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
809 typedef struct particle_s
811 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
813 // fields used by rendering: (48 bytes)
814 vec3_t sortorigin; // sort by this group origin, not particle org
816 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
818 float alpha; // 0-255
819 float stretch; // only for sparks
821 // fields not used by rendering: (44 bytes)
824 float sizeincrease; // rate of size change per second
825 float alphafade; // how much alpha reduces per second
826 float time2; // used for snow fluttering and decal fade
827 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)
828 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
829 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
830 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
831 // float delayedcollisions; // time that p->bounce becomes active
832 float delayedspawn; // time that particle appears and begins moving
833 float die; // time when this particle should be removed, regardless of alpha
835 // short variables grouped to save memory (4 bytes)
836 short angle; // base rotation of particle
837 short spin; // geometry rotation speed around the particle center normal
839 // byte variables grouped to save memory (12 bytes)
840 unsigned char color[3];
841 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
842 unsigned char typeindex;
843 unsigned char blendmode;
844 unsigned char orientation;
845 unsigned char texnum;
846 unsigned char staincolor[3];
847 signed char staintexnum;
851 typedef enum cl_parsingtextmode_e
853 CL_PARSETEXTMODE_NONE,
854 CL_PARSETEXTMODE_PING,
855 CL_PARSETEXTMODE_STATUS,
856 CL_PARSETEXTMODE_STATUS_PLAYERID,
857 CL_PARSETEXTMODE_STATUS_PLAYERIP
859 cl_parsingtextmode_t;
861 typedef struct cl_locnode_s
863 struct cl_locnode_s *next;
869 typedef struct showlmp_s
880 // the client_state_t structure is wiped completely at every
883 typedef struct client_state_s
885 // true if playing in a local game and no one else is connected
888 // send a clc_nop periodically until connected
891 // current input being accumulated by mouse/joystick/etc input
893 // latest moves sent to the server that have not been confirmed yet
894 usercmd_t movecmd[CL_MAX_USERCMDS];
896 // information for local display
898 int stats[MAX_CL_STATS];
899 float *statsf; // points to stats[] array
900 // last known inventory bit flags, for blinking
902 // cl.time of acquiring item, for blinking
903 float item_gettime[32];
904 // last known STAT_ACTIVEWEAPON
906 // cl.time of changing STAT_ACTIVEWEAPON
908 // use pain anim frame if cl.time < this
910 // for stair smoothing
912 double stairsmoothtime;
914 // color shifts for damage, powerups
915 cshift_t cshifts[NUM_CSHIFTS];
917 cshift_t prev_cshifts[NUM_CSHIFTS];
919 // the client maintains its own idea of view angles, which are
920 // sent to the server each frame. The server sets punchangle when
921 // the view is temporarily offset, and an angle reset commands at the start
922 // of each level and after teleporting.
924 // mviewangles is read from demo
925 // viewangles is either client controlled or lerped from mviewangles
926 vec3_t mviewangles[2], viewangles;
927 // update by server, used by qc to do weapon recoil
928 vec3_t mpunchangle[2], punchangle;
929 // update by server, can be used by mods to kick view around
930 vec3_t mpunchvector[2], punchvector;
931 // update by server, used for lean+bob (0 is newest)
932 vec3_t mvelocity[2], velocity;
933 // update by server, can be used by mods for zooming
934 vec_t mviewzoom[2], viewzoom;
935 // if true interpolation the mviewangles and other interpolation of the
936 // player is disabled until the next network packet
937 // this is used primarily by teleporters, and when spectating players
938 // special checking of the old fixangle[1] is used to differentiate
939 // between teleporting and spectating
940 qboolean fixangle[2];
942 // client movement simulation
943 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
944 // set by CL_ClientMovement_Replay functions
945 qboolean movement_predicted;
946 // if true the CL_ClientMovement_Replay function will update origin, etc
947 qboolean movement_replay;
948 // simulated data (this is valid even if cl.movement is false)
949 vec3_t movement_origin;
950 vec3_t movement_velocity;
951 // whether the replay should allow a jump at the first sequence
952 qboolean movement_replay_canjump;
954 // previous gun angles (for leaning effects)
955 vec3_t gunangles_prev;
956 vec3_t gunangles_highpass;
957 vec3_t gunangles_adjustment_lowpass;
958 vec3_t gunangles_adjustment_highpass;
959 // previous gun angles (for leaning effects)
961 vec3_t gunorg_highpass;
962 vec3_t gunorg_adjustment_lowpass;
963 vec3_t gunorg_adjustment_highpass;
965 // pitch drifting vars
972 //[515]: added for csqc purposes
973 float sensitivityscale;
974 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
975 qboolean csqc_wantsmousemove;
976 qboolean csqc_paused; // vortex: int because could be flags
977 struct model_s *csqc_model_precache[MAX_MODELS];
979 // local amount for smoothing stepups
988 qboolean oldonground;
989 double lastongroundtime;
990 double hitgroundtime;
995 // don't change view angle, full screen, etc
997 // latched at intermission start
998 double completed_time;
1000 // the timestamp of the last two messages
1003 // clients view of time, time should be between mtime[0] and mtime[1] to
1004 // generate a lerp point for other data, oldtime is the previous frame's
1005 // value of time, frametime is the difference between time and oldtime
1006 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1007 // is only forcefully limited when a packet is received
1008 double time, oldtime;
1009 // how long it has been since the previous client frame in real time
1010 // (not game time, for that use cl.time - cl.oldtime)
1011 double realframetime;
1013 // fade var for fading while dead
1016 // motionblur alpha level variable
1017 float motionbluralpha;
1019 // copy of realtime from last recieved message, for net trouble icon
1020 float last_received_message;
1022 // information that is static for the entire time connected to a server
1023 struct model_s *model_precache[MAX_MODELS];
1024 struct sfx_s *sound_precache[MAX_SOUNDS];
1026 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1027 char model_name[MAX_MODELS][MAX_QPATH];
1028 char sound_name[MAX_SOUNDS][MAX_QPATH];
1030 // for display on solo scoreboard
1031 char worldmessage[40]; // map title (not related to filename)
1032 // variants of map name
1033 char worldbasename[MAX_QPATH]; // %s
1034 char worldname[MAX_QPATH]; // maps/%s.bsp
1035 char worldnamenoextension[MAX_QPATH]; // maps/%s
1036 // cl_entitites[cl.viewentity] = player
1038 // the real player entity (normally same as viewentity,
1039 // different than viewentity if mod uses chasecam or other tricks)
1040 int realplayerentity;
1041 // this is updated to match cl.viewentity whenever it is in the clients
1042 // range, basically this is used in preference to cl.realplayerentity for
1043 // most purposes because when spectating another player it should show
1044 // their information rather than yours
1046 // max players that can be in this game
1048 // type of game (deathmatch, coop, singleplayer)
1051 // models and sounds used by engine code (particularly cl_parse.c)
1052 dp_model_t *model_bolt;
1053 dp_model_t *model_bolt2;
1054 dp_model_t *model_bolt3;
1055 dp_model_t *model_beam;
1057 sfx_t *sfx_knighthit;
1063 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1064 qboolean foundtalk2wav;
1066 // refresh related state
1068 // cl_entitites[0].model
1069 struct model_s *worldmodel;
1075 int cdtrack, looptrack;
1080 scoreboard_t *scores;
1082 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1083 cl_parsingtextmode_t parsingtextmode;
1084 int parsingtextplayerindex;
1085 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1086 // (which could eat the wrong ping report if the player issues one
1087 // manually, but they would still see a ping report, just a later one
1088 // caused by the scoreboard code rather than the one they intentionally
1090 int parsingtextexpectingpingforscores;
1092 // entity database stuff
1093 // latest received entity frame numbers
1094 #define LATESTFRAMENUMS 32
1095 int latestframenumsposition;
1096 int latestframenums[LATESTFRAMENUMS];
1097 int latestsendnums[LATESTFRAMENUMS];
1098 entityframe_database_t *entitydatabase;
1099 entityframe4_database_t *entitydatabase4;
1100 entityframeqw_database_t *entitydatabaseqw;
1102 // keep track of quake entities because they need to be killed if they get stale
1103 int lastquakeentity;
1104 unsigned char isquakeentity[MAX_EDICTS];
1106 // bounding boxes for clientside movement
1107 vec3_t playerstandmins;
1108 vec3_t playerstandmaxs;
1109 vec3_t playercrouchmins;
1110 vec3_t playercrouchmaxs;
1112 // old decals are killed based on this
1116 int max_csqcrenderentities;
1117 int max_static_entities;
1122 int max_brushmodel_entities;
1128 entity_render_t *csqcrenderentities;
1129 unsigned char *entities_active;
1130 entity_t *static_entities;
1131 cl_effect_t *effects;
1134 lightstyle_t *lightstyle;
1135 int *brushmodel_entities;
1136 particle_t *particles;
1138 showlmp_t *showlmps;
1141 int num_static_entities;
1142 int num_brushmodel_entities;
1150 double particles_updatetime;
1151 double decals_updatetime;
1155 // cl_serverextension_download feature
1156 int loadmodel_current;
1157 int downloadmodel_current;
1158 int loadmodel_total;
1159 int loadsound_current;
1160 int downloadsound_current;
1161 int loadsound_total;
1162 qboolean downloadcsqc;
1165 qboolean loadfinished;
1169 // local copy of the server infostring
1170 char qw_serverinfo[MAX_SERVERINFO_STRING];
1172 // time of last qw "pings" command sent to server while showing scores
1173 double last_ping_request;
1175 // used during connect
1178 // updated from serverinfo
1181 // unused: indicates whether the player is spectating
1182 // use cl.scores[cl.playerentity-1].qw_spectator instead
1183 //qboolean qw_spectator;
1185 // last time an input packet was sent
1186 double lastpackettime;
1188 // movement parameters for client prediction
1189 unsigned int moveflags;
1190 float movevars_wallfriction;
1191 float movevars_waterfriction;
1192 float movevars_friction;
1193 float movevars_timescale;
1194 float movevars_gravity;
1195 float movevars_stopspeed;
1196 float movevars_maxspeed;
1197 float movevars_spectatormaxspeed;
1198 float movevars_accelerate;
1199 float movevars_airaccelerate;
1200 float movevars_wateraccelerate;
1201 float movevars_entgravity;
1202 float movevars_jumpvelocity;
1203 float movevars_edgefriction;
1204 float movevars_maxairspeed;
1205 float movevars_stepheight;
1206 float movevars_airaccel_qw;
1207 float movevars_airaccel_sideways_friction;
1208 float movevars_airstopaccelerate;
1209 float movevars_airstrafeaccelerate;
1210 float movevars_maxairstrafespeed;
1211 float movevars_airstrafeaccel_qw;
1212 float movevars_aircontrol;
1213 float movevars_aircontrol_power;
1214 float movevars_aircontrol_penalty;
1215 float movevars_warsowbunny_airforwardaccel;
1216 float movevars_warsowbunny_accel;
1217 float movevars_warsowbunny_topspeed;
1218 float movevars_warsowbunny_turnaccel;
1219 float movevars_warsowbunny_backtosideratio;
1220 float movevars_ticrate;
1221 float movevars_airspeedlimit_nonqw;
1223 // models used by qw protocol
1224 int qw_modelindex_spike;
1225 int qw_modelindex_player;
1226 int qw_modelindex_flag;
1227 int qw_modelindex_s_explod;
1229 vec3_t qw_intermission_origin;
1230 vec3_t qw_intermission_angles;
1232 // 255 is the most nails the QW protocol could send
1234 vec_t qw_nails[255][6];
1236 float qw_weaponkick;
1238 int qw_validsequence;
1240 int qw_deltasequence[QW_UPDATE_BACKUP];
1243 // server entity number corresponding to a clientside entity
1244 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1245 qboolean csqc_loaded;
1248 qboolean csqc_usecsqclistener;
1249 matrix4x4_t csqc_listenermatrix;
1250 char csqc_printtextbuf[MAX_INPUTLINE];
1252 // collision culling data
1255 // loc file stuff (points and boxes describing locations in the level)
1256 cl_locnode_t *locnodes;
1257 // this is updated to cl.movement_origin whenever health is < 1
1258 // used by %d print in say/say_team messages if cl_locs_enable is on
1259 vec3_t lastdeathorigin;
1261 // processing buffer used by R_BuildLightMap, reallocated as needed,
1262 // freed on each level change
1263 size_t buildlightmapmemorysize;
1264 unsigned char *buildlightmapmemory;
1271 extern cvar_t cl_name;
1272 extern cvar_t cl_color;
1273 extern cvar_t cl_rate;
1274 extern cvar_t cl_pmodel;
1275 extern cvar_t cl_playermodel;
1276 extern cvar_t cl_playerskin;
1278 extern cvar_t rcon_password;
1279 extern cvar_t rcon_address;
1281 extern cvar_t cl_upspeed;
1282 extern cvar_t cl_forwardspeed;
1283 extern cvar_t cl_backspeed;
1284 extern cvar_t cl_sidespeed;
1286 extern cvar_t cl_movespeedkey;
1288 extern cvar_t cl_yawspeed;
1289 extern cvar_t cl_pitchspeed;
1291 extern cvar_t cl_anglespeedkey;
1293 extern cvar_t cl_autofire;
1295 extern cvar_t cl_shownet;
1296 extern cvar_t cl_nolerp;
1297 extern cvar_t cl_nettimesyncfactor;
1298 extern cvar_t cl_nettimesyncboundmode;
1299 extern cvar_t cl_nettimesyncboundtolerance;
1301 extern cvar_t cl_pitchdriftspeed;
1302 extern cvar_t lookspring;
1303 extern cvar_t lookstrafe;
1304 extern cvar_t sensitivity;
1306 extern cvar_t freelook;
1308 extern cvar_t m_pitch;
1309 extern cvar_t m_yaw;
1310 extern cvar_t m_forward;
1311 extern cvar_t m_side;
1313 extern cvar_t cl_autodemo;
1314 extern cvar_t cl_autodemo_nameformat;
1315 extern cvar_t cl_autodemo_delete;
1317 extern cvar_t r_draweffects;
1319 extern cvar_t cl_explosions_alpha_start;
1320 extern cvar_t cl_explosions_alpha_end;
1321 extern cvar_t cl_explosions_size_start;
1322 extern cvar_t cl_explosions_size_end;
1323 extern cvar_t cl_explosions_lifetime;
1324 extern cvar_t cl_stainmaps;
1325 extern cvar_t cl_stainmaps_clearonload;
1327 extern cvar_t cl_prydoncursor;
1328 extern cvar_t cl_prydoncursor_notrace;
1330 extern cvar_t cl_locs_enable;
1332 extern client_state_t cl;
1334 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);
1336 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1337 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1339 //=============================================================================
1345 void CL_Shutdown (void);
1346 void CL_Init (void);
1348 void CL_EstablishConnection(const char *host, int firstarg);
1350 void CL_Disconnect (void);
1351 void CL_Disconnect_f (void);
1353 void CL_UpdateRenderEntity(entity_render_t *ent);
1354 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1355 void CL_UpdateViewEntities(void);
1360 typedef struct kbutton_s
1362 int down[2]; // key nums holding it down
1363 int state; // low bit is down state
1367 extern kbutton_t in_mlook, in_klook;
1368 extern kbutton_t in_strafe;
1369 extern kbutton_t in_speed;
1371 void CL_InitInput (void);
1372 void CL_SendMove (void);
1374 void CL_ValidateState(entity_state_t *s);
1375 void CL_MoveLerpEntityStates(entity_t *ent);
1376 void CL_LerpUpdate(entity_t *e);
1377 void CL_ParseTEnt (void);
1378 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1379 void CL_RelinkBeams (void);
1380 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1381 void CL_ClientMovement_Replay(void);
1383 void CL_ClearTempEntities (void);
1384 entity_render_t *CL_NewTempEntity (double shadertime);
1386 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1388 void CL_ClearState (void);
1389 void CL_ExpandEntities(int num);
1390 void CL_ExpandCSQCRenderEntities(int num);
1391 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1394 void CL_UpdateWorld (void);
1395 void CL_WriteToServer (void);
1396 void CL_Input (void);
1397 extern int cl_ignoremousemoves;
1400 float CL_KeyState (kbutton_t *key);
1401 const char *Key_KeynumToString (int keynum);
1402 int Key_StringToKeynum (const char *str);
1407 void CL_StopPlayback(void);
1408 void CL_ReadDemoMessage(void);
1409 void CL_WriteDemoMessage(sizebuf_t *mesage);
1411 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1412 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1414 void CL_NextDemo(void);
1415 void CL_Stop_f(void);
1416 void CL_Record_f(void);
1417 void CL_PlayDemo_f(void);
1418 void CL_TimeDemo_f(void);
1423 void CL_Parse_Init(void);
1424 void CL_Parse_Shutdown(void);
1425 void CL_ParseServerMessage(void);
1426 void CL_Parse_DumpPacket(void);
1427 void CL_Parse_ErrorCleanUp(void);
1428 void QW_CL_StartUpload(unsigned char *data, int size);
1429 extern cvar_t qport;
1430 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1435 void V_StartPitchDrift (void);
1436 void V_StopPitchDrift (void);
1439 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1440 void V_UpdateBlends (void);
1441 void V_ParseDamage (void);
1447 extern cvar_t cl_particles;
1448 extern cvar_t cl_particles_quality;
1449 extern cvar_t cl_particles_size;
1450 extern cvar_t cl_particles_quake;
1451 extern cvar_t cl_particles_blood;
1452 extern cvar_t cl_particles_blood_alpha;
1453 extern cvar_t cl_particles_blood_decal_alpha;
1454 extern cvar_t cl_particles_blood_decal_scalemin;
1455 extern cvar_t cl_particles_blood_decal_scalemax;
1456 extern cvar_t cl_particles_blood_bloodhack;
1457 extern cvar_t cl_particles_bulletimpacts;
1458 extern cvar_t cl_particles_explosions_sparks;
1459 extern cvar_t cl_particles_explosions_shell;
1460 extern cvar_t cl_particles_rain;
1461 extern cvar_t cl_particles_snow;
1462 extern cvar_t cl_particles_smoke;
1463 extern cvar_t cl_particles_smoke_alpha;
1464 extern cvar_t cl_particles_smoke_alphafade;
1465 extern cvar_t cl_particles_sparks;
1466 extern cvar_t cl_particles_bubbles;
1467 extern cvar_t cl_decals;
1468 extern cvar_t cl_decals_time;
1469 extern cvar_t cl_decals_fadetime;
1471 void CL_Particles_Clear(void);
1472 void CL_Particles_Init(void);
1473 void CL_Particles_Shutdown(void);
1474 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, float tint[4]);
1476 typedef enum effectnameindex_s
1480 EFFECT_TE_GUNSHOTQUAD,
1482 EFFECT_TE_SPIKEQUAD,
1483 EFFECT_TE_SUPERSPIKE,
1484 EFFECT_TE_SUPERSPIKEQUAD,
1486 EFFECT_TE_KNIGHTSPIKE,
1487 EFFECT_TE_EXPLOSION,
1488 EFFECT_TE_EXPLOSIONQUAD,
1489 EFFECT_TE_TAREXPLOSION,
1491 EFFECT_TE_LAVASPLASH,
1492 EFFECT_TE_SMALLFLASH,
1497 EFFECT_TE_PLASMABURN,
1499 EFFECT_TE_TEI_SMOKE,
1500 EFFECT_TE_TEI_BIGEXPLOSION,
1501 EFFECT_TE_TEI_PLASMAHIT,
1507 EFFECT_TR_SLIGHTBLOOD,
1508 EFFECT_TR_KNIGHTSPIKE,
1509 EFFECT_TR_VORESPIKE,
1510 EFFECT_TR_NEHAHRASMOKE,
1511 EFFECT_TR_NEXUIZPLASMA,
1512 EFFECT_TR_GLOWTRAIL,
1513 EFFECT_SVC_PARTICLE,
1518 int CL_ParticleEffectIndexForName(const char *name);
1519 const char *CL_ParticleEffectNameForIndex(int i);
1520 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);
1521 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, float tintmins[4], float tintmaxs[4]);
1522 void CL_ParseParticleEffect (void);
1523 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);
1524 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1525 void CL_EntityParticles (const entity_t *ent);
1526 void CL_ParticleExplosion (const vec3_t org);
1527 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1528 void R_NewExplosion(const vec3_t org);
1530 void Debug_PolygonBegin(const char *picname, int flags);
1531 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1532 void Debug_PolygonEnd(void);
1534 #include "cl_screen.h"
1536 extern qboolean sb_showscores;
1538 float RSurf_FogVertex(const vec3_t p);
1539 float RSurf_FogPoint(const vec3_t p);
1541 typedef struct r_refdef_stats_s
1545 int entities_surfaces;
1546 int entities_triangles;
1550 int world_triangles;
1551 int lightmapupdates;
1552 int lightmapupdatepixels;
1561 int lights_scissored;
1562 int lights_lighttriangles;
1563 int lights_shadowtriangles;
1564 int lights_dynamicshadowtriangles;
1566 int bloom_copypixels;
1567 int bloom_drawpixels;
1568 int indexbufferuploadcount;
1569 int indexbufferuploadsize;
1570 int vertexbufferuploadcount;
1571 int vertexbufferuploadsize;
1575 typedef enum r_viewport_type_e
1577 R_VIEWPORTTYPE_ORTHO,
1578 R_VIEWPORTTYPE_PERSPECTIVE,
1579 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1580 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1581 R_VIEWPORTTYPE_TOTAL
1585 typedef struct r_viewport_s
1587 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1588 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1589 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1596 r_viewport_type_t type;
1597 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1601 typedef struct r_refdef_view_s
1603 // view information (changes multiple times per frame)
1604 // if any of these variables change then r_refdef.viewcache must be regenerated
1605 // by calling R_View_Update
1606 // (which also updates viewport, scissor, colormask)
1608 // it is safe and expected to copy this into a structure on the stack and
1609 // call the renderer recursively, then restore from the stack afterward
1610 // (as long as R_View_Update is called)
1612 // eye position information
1613 matrix4x4_t matrix, inverse_matrix;
1619 int numfrustumplanes;
1620 mplane_t frustum[6];
1621 qboolean useclipplane;
1622 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1624 float frustum_x, frustum_y;
1625 vec3_t frustumcorner[4];
1626 // if turned off it renders an ortho view
1628 float ortho_x, ortho_y;
1630 // screen area to render in
1637 r_viewport_t viewport;
1639 // which color components to allow (for anaglyph glasses)
1642 // global RGB color multiplier for rendering, this is required by HDR
1645 // whether to call R_ClearScreen before rendering stuff
1647 // if true, don't clear or do any post process effects (bloom, etc)
1650 // whether to draw r_showtris and such, this is only true for the main
1651 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1652 // distortion effects, etc) omit such debugging information
1655 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1659 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1664 typedef struct r_refdef_viewcache_s
1666 // updated by gl_main_newmap()
1668 int world_numclusters;
1669 int world_numclusterbytes;
1671 int world_numsurfaces;
1673 // these properties are generated by R_View_Update()
1675 // which entities are currently visible for this viewpoint
1676 // (the used range is 0...r_refdef.scene.numentities)
1677 unsigned char *entityvisible;
1679 // flag arrays used for visibility checking on world model
1680 // (all other entities have no per-surface/per-leaf visibility checks)
1681 unsigned char *world_pvsbits;
1682 unsigned char *world_leafvisible;
1683 unsigned char *world_surfacevisible;
1684 // if true, the view is currently in a leaf without pvs data
1685 qboolean world_novis;
1687 r_refdef_viewcache_t;
1689 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1690 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1691 typedef struct r_refdef_scene_s {
1692 // whether to call S_ExtraUpdate during render to reduce sound chop
1693 qboolean extraupdate;
1695 // (client gameworld) time for rendering time based effects
1699 entity_render_t *worldentity;
1701 // same as worldentity->model
1702 dp_model_t *worldmodel;
1704 // renderable entities (excluding world)
1705 entity_render_t **entities;
1709 // field of temporary entities that is reset each (client) frame
1710 entity_render_t *tempentities;
1711 int numtempentities;
1712 int maxtempentities;
1714 // renderable dynamic lights
1715 rtlight_t *lights[MAX_DLIGHTS];
1716 rtlight_t templights[MAX_DLIGHTS];
1719 // intensities for light styles right now, controls rtlights
1720 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1721 // 8.8bit fixed point intensities for light styles
1722 // controls intensity lightmap layers
1723 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1728 qboolean rtworldshadows;
1730 qboolean rtdlightshadows;
1733 typedef struct r_refdef_s
1735 // these fields define the basic rendering information for the world
1736 // but not the view, which could change multiple times in one rendered
1737 // frame (for example when rendering textures for certain effects)
1739 // these are set for water warping before
1740 // frustum_x/frustum_y are calculated
1741 float frustumscale_x, frustumscale_y;
1743 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1744 r_refdef_view_t view;
1745 r_refdef_viewcache_t viewcache;
1747 // minimum visible distance (pixels closer than this disappear)
1749 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1750 // in 32bpp an infinite-farclip matrix is used instead)
1753 // fullscreen color blend
1756 r_refdef_scene_t scene;
1759 float fogplaneviewdist;
1760 qboolean fogplaneviewabove;
1761 float fogheightfade;
1764 float fograngerecip;
1765 float fogmasktabledistmultiplier;
1766 #define FOGMASKTABLEWIDTH 1024
1767 float fogmasktable[FOGMASKTABLEWIDTH];
1768 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1777 float fog_fadedepth;
1778 qboolean fogenabled;
1779 qboolean oldgl_fogenable;
1781 // new flexible texture height fog (overrides normal fog)
1782 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1783 unsigned char *fog_height_table1d;
1784 unsigned char *fog_height_table2d;
1785 int fog_height_tablesize; // enable
1786 float fog_height_tablescale;
1787 float fog_height_texcoordscale;
1788 char fogheighttexturename[64]; // detects changes to active fog height texture
1790 int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1792 // true during envmap command capture
1795 // brightness of world lightmaps and related lighting
1796 // (often reduced when world rtlights are enabled)
1797 float lightmapintensity;
1798 // whether to draw world lights realtime, dlights realtime, and their shadows
1799 float polygonfactor;
1800 float polygonoffset;
1801 float shadowpolygonfactor;
1802 float shadowpolygonoffset;
1804 // rendering stats for r_speeds display
1805 // (these are incremented in many places)
1806 r_refdef_stats_t stats;
1810 extern r_refdef_t r_refdef;