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;
724 extern client_static_t cls;
726 typedef struct client_movementqueue_s
737 client_movementqueue_t;
743 qboolean drawenginesbar;
744 qboolean drawcrosshair;
749 PARTICLE_BILLBOARD = 0,
751 PARTICLE_ORIENTED_DOUBLESIDED = 2,
754 PARTICLE_INVALID = -1
767 typedef struct particletype_s
770 porientation_t orientation;
777 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
781 typedef struct decal_s
783 // fields used by rendering: (44 bytes)
784 unsigned short typeindex;
785 unsigned short texnum;
790 float alpha; // 0-255
791 unsigned char color[3];
792 unsigned char unused1;
793 int clusterindex; // cheap culling by pvs
795 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
796 float time2; // used for decal fade
797 unsigned int owner; // decal stuck to this entity
798 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
799 vec3_t relativeorigin; // decal at this location in entity's coordinate space
800 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
804 typedef struct particle_s
806 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
808 // fields used by rendering: (48 bytes)
809 vec3_t sortorigin; // sort by this group origin, not particle org
811 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
813 float alpha; // 0-255
814 float stretch; // only for sparks
816 // fields not used by rendering: (44 bytes)
819 float sizeincrease; // rate of size change per second
820 float alphafade; // how much alpha reduces per second
821 float time2; // used for snow fluttering and decal fade
822 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)
823 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
824 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
825 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
826 // float delayedcollisions; // time that p->bounce becomes active
827 float delayedspawn; // time that particle appears and begins moving
828 float die; // time when this particle should be removed, regardless of alpha
830 // short variables grouped to save memory (4 bytes)
831 short angle; // base rotation of particle
832 short spin; // geometry rotation speed around the particle center normal
834 // byte variables grouped to save memory (12 bytes)
835 unsigned char color[3];
836 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
837 unsigned char typeindex;
838 unsigned char blendmode;
839 unsigned char orientation;
840 unsigned char texnum;
841 unsigned char staincolor[3];
842 signed char staintexnum;
846 typedef enum cl_parsingtextmode_e
848 CL_PARSETEXTMODE_NONE,
849 CL_PARSETEXTMODE_PING,
850 CL_PARSETEXTMODE_STATUS,
851 CL_PARSETEXTMODE_STATUS_PLAYERID,
852 CL_PARSETEXTMODE_STATUS_PLAYERIP
854 cl_parsingtextmode_t;
856 typedef struct cl_locnode_s
858 struct cl_locnode_s *next;
864 typedef struct showlmp_s
875 // the client_state_t structure is wiped completely at every
878 typedef struct client_state_s
880 // true if playing in a local game and no one else is connected
883 // send a clc_nop periodically until connected
886 // current input being accumulated by mouse/joystick/etc input
888 // latest moves sent to the server that have not been confirmed yet
889 usercmd_t movecmd[CL_MAX_USERCMDS];
891 // information for local display
893 int stats[MAX_CL_STATS];
894 float *statsf; // points to stats[] array
895 // last known inventory bit flags, for blinking
897 // cl.time of acquiring item, for blinking
898 float item_gettime[32];
899 // last known STAT_ACTIVEWEAPON
901 // cl.time of changing STAT_ACTIVEWEAPON
903 // use pain anim frame if cl.time < this
905 // for stair smoothing
907 double stairsmoothtime;
909 // color shifts for damage, powerups
910 cshift_t cshifts[NUM_CSHIFTS];
912 cshift_t prev_cshifts[NUM_CSHIFTS];
914 // the client maintains its own idea of view angles, which are
915 // sent to the server each frame. The server sets punchangle when
916 // the view is temporarily offset, and an angle reset commands at the start
917 // of each level and after teleporting.
919 // mviewangles is read from demo
920 // viewangles is either client controlled or lerped from mviewangles
921 vec3_t mviewangles[2], viewangles;
922 // update by server, used by qc to do weapon recoil
923 vec3_t mpunchangle[2], punchangle;
924 // update by server, can be used by mods to kick view around
925 vec3_t mpunchvector[2], punchvector;
926 // update by server, used for lean+bob (0 is newest)
927 vec3_t mvelocity[2], velocity;
928 // update by server, can be used by mods for zooming
929 vec_t mviewzoom[2], viewzoom;
930 // if true interpolation the mviewangles and other interpolation of the
931 // player is disabled until the next network packet
932 // this is used primarily by teleporters, and when spectating players
933 // special checking of the old fixangle[1] is used to differentiate
934 // between teleporting and spectating
935 qboolean fixangle[2];
937 // client movement simulation
938 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
939 // set by CL_ClientMovement_Replay functions
940 qboolean movement_predicted;
941 // if true the CL_ClientMovement_Replay function will update origin, etc
942 qboolean movement_replay;
943 // simulated data (this is valid even if cl.movement is false)
944 vec3_t movement_origin;
945 vec3_t movement_velocity;
946 // whether the replay should allow a jump at the first sequence
947 qboolean movement_replay_canjump;
949 // previous gun angles (for leaning effects)
950 vec3_t gunangles_prev;
951 vec3_t gunangles_highpass;
952 vec3_t gunangles_adjustment_lowpass;
953 vec3_t gunangles_adjustment_highpass;
954 // previous gun angles (for leaning effects)
956 vec3_t gunorg_highpass;
957 vec3_t gunorg_adjustment_lowpass;
958 vec3_t gunorg_adjustment_highpass;
960 // pitch drifting vars
967 //[515]: added for csqc purposes
968 float sensitivityscale;
969 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
970 qboolean csqc_wantsmousemove;
971 qboolean csqc_paused; // vortex: int because could be flags
972 struct model_s *csqc_model_precache[MAX_MODELS];
974 // local amount for smoothing stepups
983 qboolean oldonground;
984 double lastongroundtime;
985 double hitgroundtime;
990 // don't change view angle, full screen, etc
992 // latched at intermission start
993 double completed_time;
995 // the timestamp of the last two messages
998 // clients view of time, time should be between mtime[0] and mtime[1] to
999 // generate a lerp point for other data, oldtime is the previous frame's
1000 // value of time, frametime is the difference between time and oldtime
1001 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1002 // is only forcefully limited when a packet is received
1003 double time, oldtime;
1004 // how long it has been since the previous client frame in real time
1005 // (not game time, for that use cl.time - cl.oldtime)
1006 double realframetime;
1008 // fade var for fading while dead
1011 // motionblur alpha level variable
1012 float motionbluralpha;
1014 // copy of realtime from last recieved message, for net trouble icon
1015 float last_received_message;
1017 // information that is static for the entire time connected to a server
1018 struct model_s *model_precache[MAX_MODELS];
1019 struct sfx_s *sound_precache[MAX_SOUNDS];
1021 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1022 char model_name[MAX_MODELS][MAX_QPATH];
1023 char sound_name[MAX_SOUNDS][MAX_QPATH];
1025 // for display on solo scoreboard
1026 char worldmessage[40]; // map title (not related to filename)
1027 // variants of map name
1028 char worldbasename[MAX_QPATH]; // %s
1029 char worldname[MAX_QPATH]; // maps/%s.bsp
1030 char worldnamenoextension[MAX_QPATH]; // maps/%s
1031 // cl_entitites[cl.viewentity] = player
1033 // the real player entity (normally same as viewentity,
1034 // different than viewentity if mod uses chasecam or other tricks)
1035 int realplayerentity;
1036 // this is updated to match cl.viewentity whenever it is in the clients
1037 // range, basically this is used in preference to cl.realplayerentity for
1038 // most purposes because when spectating another player it should show
1039 // their information rather than yours
1041 // max players that can be in this game
1043 // type of game (deathmatch, coop, singleplayer)
1046 // models and sounds used by engine code (particularly cl_parse.c)
1047 dp_model_t *model_bolt;
1048 dp_model_t *model_bolt2;
1049 dp_model_t *model_bolt3;
1050 dp_model_t *model_beam;
1052 sfx_t *sfx_knighthit;
1058 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1059 qboolean foundtalk2wav;
1061 // refresh related state
1063 // cl_entitites[0].model
1064 struct model_s *worldmodel;
1070 int cdtrack, looptrack;
1075 scoreboard_t *scores;
1077 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1078 cl_parsingtextmode_t parsingtextmode;
1079 int parsingtextplayerindex;
1080 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1081 // (which could eat the wrong ping report if the player issues one
1082 // manually, but they would still see a ping report, just a later one
1083 // caused by the scoreboard code rather than the one they intentionally
1085 int parsingtextexpectingpingforscores;
1087 // entity database stuff
1088 // latest received entity frame numbers
1089 #define LATESTFRAMENUMS 32
1090 int latestframenumsposition;
1091 int latestframenums[LATESTFRAMENUMS];
1092 int latestsendnums[LATESTFRAMENUMS];
1093 entityframe_database_t *entitydatabase;
1094 entityframe4_database_t *entitydatabase4;
1095 entityframeqw_database_t *entitydatabaseqw;
1097 // keep track of quake entities because they need to be killed if they get stale
1098 int lastquakeentity;
1099 unsigned char isquakeentity[MAX_EDICTS];
1101 // bounding boxes for clientside movement
1102 vec3_t playerstandmins;
1103 vec3_t playerstandmaxs;
1104 vec3_t playercrouchmins;
1105 vec3_t playercrouchmaxs;
1107 // old decals are killed based on this
1111 int max_csqcrenderentities;
1112 int max_static_entities;
1117 int max_brushmodel_entities;
1123 entity_render_t *csqcrenderentities;
1124 unsigned char *entities_active;
1125 entity_t *static_entities;
1126 cl_effect_t *effects;
1129 lightstyle_t *lightstyle;
1130 int *brushmodel_entities;
1131 particle_t *particles;
1133 showlmp_t *showlmps;
1136 int num_static_entities;
1137 int num_brushmodel_entities;
1145 double particles_updatetime;
1146 double decals_updatetime;
1150 // cl_serverextension_download feature
1151 int loadmodel_current;
1152 int downloadmodel_current;
1153 int loadmodel_total;
1154 int loadsound_current;
1155 int downloadsound_current;
1156 int loadsound_total;
1157 qboolean downloadcsqc;
1160 qboolean loadfinished;
1164 // local copy of the server infostring
1165 char qw_serverinfo[MAX_SERVERINFO_STRING];
1167 // time of last qw "pings" command sent to server while showing scores
1168 double last_ping_request;
1170 // used during connect
1173 // updated from serverinfo
1176 // unused: indicates whether the player is spectating
1177 // use cl.scores[cl.playerentity-1].qw_spectator instead
1178 //qboolean qw_spectator;
1180 // last time an input packet was sent
1181 double lastpackettime;
1183 // movement parameters for client prediction
1184 unsigned int moveflags;
1185 float movevars_wallfriction;
1186 float movevars_waterfriction;
1187 float movevars_friction;
1188 float movevars_timescale;
1189 float movevars_gravity;
1190 float movevars_stopspeed;
1191 float movevars_maxspeed;
1192 float movevars_spectatormaxspeed;
1193 float movevars_accelerate;
1194 float movevars_airaccelerate;
1195 float movevars_wateraccelerate;
1196 float movevars_entgravity;
1197 float movevars_jumpvelocity;
1198 float movevars_edgefriction;
1199 float movevars_maxairspeed;
1200 float movevars_stepheight;
1201 float movevars_airaccel_qw;
1202 float movevars_airaccel_sideways_friction;
1203 float movevars_airstopaccelerate;
1204 float movevars_airstrafeaccelerate;
1205 float movevars_maxairstrafespeed;
1206 float movevars_airstrafeaccel_qw;
1207 float movevars_aircontrol;
1208 float movevars_aircontrol_power;
1209 float movevars_aircontrol_penalty;
1210 float movevars_warsowbunny_airforwardaccel;
1211 float movevars_warsowbunny_accel;
1212 float movevars_warsowbunny_topspeed;
1213 float movevars_warsowbunny_turnaccel;
1214 float movevars_warsowbunny_backtosideratio;
1215 float movevars_ticrate;
1216 float movevars_airspeedlimit_nonqw;
1218 // models used by qw protocol
1219 int qw_modelindex_spike;
1220 int qw_modelindex_player;
1221 int qw_modelindex_flag;
1222 int qw_modelindex_s_explod;
1224 vec3_t qw_intermission_origin;
1225 vec3_t qw_intermission_angles;
1227 // 255 is the most nails the QW protocol could send
1229 vec_t qw_nails[255][6];
1231 float qw_weaponkick;
1233 int qw_validsequence;
1235 int qw_deltasequence[QW_UPDATE_BACKUP];
1238 // server entity number corresponding to a clientside entity
1239 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1240 qboolean csqc_loaded;
1243 qboolean csqc_usecsqclistener;
1244 matrix4x4_t csqc_listenermatrix;
1245 char csqc_printtextbuf[MAX_INPUTLINE];
1247 // collision culling data
1250 // loc file stuff (points and boxes describing locations in the level)
1251 cl_locnode_t *locnodes;
1252 // this is updated to cl.movement_origin whenever health is < 1
1253 // used by %d print in say/say_team messages if cl_locs_enable is on
1254 vec3_t lastdeathorigin;
1256 // processing buffer used by R_BuildLightMap, reallocated as needed,
1257 // freed on each level change
1258 size_t buildlightmapmemorysize;
1259 unsigned char *buildlightmapmemory;
1266 extern cvar_t cl_name;
1267 extern cvar_t cl_color;
1268 extern cvar_t cl_rate;
1269 extern cvar_t cl_pmodel;
1270 extern cvar_t cl_playermodel;
1271 extern cvar_t cl_playerskin;
1273 extern cvar_t rcon_password;
1274 extern cvar_t rcon_address;
1276 extern cvar_t cl_upspeed;
1277 extern cvar_t cl_forwardspeed;
1278 extern cvar_t cl_backspeed;
1279 extern cvar_t cl_sidespeed;
1281 extern cvar_t cl_movespeedkey;
1283 extern cvar_t cl_yawspeed;
1284 extern cvar_t cl_pitchspeed;
1286 extern cvar_t cl_anglespeedkey;
1288 extern cvar_t cl_autofire;
1290 extern cvar_t cl_shownet;
1291 extern cvar_t cl_nolerp;
1292 extern cvar_t cl_nettimesyncfactor;
1293 extern cvar_t cl_nettimesyncboundmode;
1294 extern cvar_t cl_nettimesyncboundtolerance;
1296 extern cvar_t cl_pitchdriftspeed;
1297 extern cvar_t lookspring;
1298 extern cvar_t lookstrafe;
1299 extern cvar_t sensitivity;
1301 extern cvar_t freelook;
1303 extern cvar_t m_pitch;
1304 extern cvar_t m_yaw;
1305 extern cvar_t m_forward;
1306 extern cvar_t m_side;
1308 extern cvar_t cl_autodemo;
1309 extern cvar_t cl_autodemo_nameformat;
1310 extern cvar_t cl_autodemo_delete;
1312 extern cvar_t r_draweffects;
1314 extern cvar_t cl_explosions_alpha_start;
1315 extern cvar_t cl_explosions_alpha_end;
1316 extern cvar_t cl_explosions_size_start;
1317 extern cvar_t cl_explosions_size_end;
1318 extern cvar_t cl_explosions_lifetime;
1319 extern cvar_t cl_stainmaps;
1320 extern cvar_t cl_stainmaps_clearonload;
1322 extern cvar_t cl_prydoncursor;
1323 extern cvar_t cl_prydoncursor_notrace;
1325 extern cvar_t cl_locs_enable;
1327 extern client_state_t cl;
1329 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);
1331 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1332 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1334 //=============================================================================
1340 void CL_Shutdown (void);
1341 void CL_Init (void);
1343 void CL_EstablishConnection(const char *host, int firstarg);
1345 void CL_Disconnect (void);
1346 void CL_Disconnect_f (void);
1348 void CL_UpdateRenderEntity(entity_render_t *ent);
1349 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1350 void CL_UpdateViewEntities(void);
1355 typedef struct kbutton_s
1357 int down[2]; // key nums holding it down
1358 int state; // low bit is down state
1362 extern kbutton_t in_mlook, in_klook;
1363 extern kbutton_t in_strafe;
1364 extern kbutton_t in_speed;
1366 void CL_InitInput (void);
1367 void CL_SendMove (void);
1369 void CL_ValidateState(entity_state_t *s);
1370 void CL_MoveLerpEntityStates(entity_t *ent);
1371 void CL_LerpUpdate(entity_t *e);
1372 void CL_ParseTEnt (void);
1373 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1374 void CL_RelinkBeams (void);
1375 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1376 void CL_ClientMovement_Replay(void);
1378 void CL_ClearTempEntities (void);
1379 entity_render_t *CL_NewTempEntity (double shadertime);
1381 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1383 void CL_ClearState (void);
1384 void CL_ExpandEntities(int num);
1385 void CL_ExpandCSQCRenderEntities(int num);
1386 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1389 void CL_UpdateWorld (void);
1390 void CL_WriteToServer (void);
1391 void CL_Input (void);
1392 extern int cl_ignoremousemoves;
1395 float CL_KeyState (kbutton_t *key);
1396 const char *Key_KeynumToString (int keynum);
1397 int Key_StringToKeynum (const char *str);
1402 void CL_StopPlayback(void);
1403 void CL_ReadDemoMessage(void);
1404 void CL_WriteDemoMessage(sizebuf_t *mesage);
1406 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1407 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1409 void CL_NextDemo(void);
1410 void CL_Stop_f(void);
1411 void CL_Record_f(void);
1412 void CL_PlayDemo_f(void);
1413 void CL_TimeDemo_f(void);
1418 void CL_Parse_Init(void);
1419 void CL_Parse_Shutdown(void);
1420 void CL_ParseServerMessage(void);
1421 void CL_Parse_DumpPacket(void);
1422 void CL_Parse_ErrorCleanUp(void);
1423 void QW_CL_StartUpload(unsigned char *data, int size);
1424 extern cvar_t qport;
1425 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1430 void V_StartPitchDrift (void);
1431 void V_StopPitchDrift (void);
1434 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1435 void V_UpdateBlends (void);
1436 void V_ParseDamage (void);
1442 extern cvar_t cl_particles;
1443 extern cvar_t cl_particles_quality;
1444 extern cvar_t cl_particles_size;
1445 extern cvar_t cl_particles_quake;
1446 extern cvar_t cl_particles_blood;
1447 extern cvar_t cl_particles_blood_alpha;
1448 extern cvar_t cl_particles_blood_decal_alpha;
1449 extern cvar_t cl_particles_blood_decal_scalemin;
1450 extern cvar_t cl_particles_blood_decal_scalemax;
1451 extern cvar_t cl_particles_blood_bloodhack;
1452 extern cvar_t cl_particles_bulletimpacts;
1453 extern cvar_t cl_particles_explosions_sparks;
1454 extern cvar_t cl_particles_explosions_shell;
1455 extern cvar_t cl_particles_rain;
1456 extern cvar_t cl_particles_snow;
1457 extern cvar_t cl_particles_smoke;
1458 extern cvar_t cl_particles_smoke_alpha;
1459 extern cvar_t cl_particles_smoke_alphafade;
1460 extern cvar_t cl_particles_sparks;
1461 extern cvar_t cl_particles_bubbles;
1462 extern cvar_t cl_decals;
1463 extern cvar_t cl_decals_time;
1464 extern cvar_t cl_decals_fadetime;
1466 void CL_Particles_Clear(void);
1467 void CL_Particles_Init(void);
1468 void CL_Particles_Shutdown(void);
1469 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]);
1471 typedef enum effectnameindex_s
1475 EFFECT_TE_GUNSHOTQUAD,
1477 EFFECT_TE_SPIKEQUAD,
1478 EFFECT_TE_SUPERSPIKE,
1479 EFFECT_TE_SUPERSPIKEQUAD,
1481 EFFECT_TE_KNIGHTSPIKE,
1482 EFFECT_TE_EXPLOSION,
1483 EFFECT_TE_EXPLOSIONQUAD,
1484 EFFECT_TE_TAREXPLOSION,
1486 EFFECT_TE_LAVASPLASH,
1487 EFFECT_TE_SMALLFLASH,
1492 EFFECT_TE_PLASMABURN,
1494 EFFECT_TE_TEI_SMOKE,
1495 EFFECT_TE_TEI_BIGEXPLOSION,
1496 EFFECT_TE_TEI_PLASMAHIT,
1502 EFFECT_TR_SLIGHTBLOOD,
1503 EFFECT_TR_KNIGHTSPIKE,
1504 EFFECT_TR_VORESPIKE,
1505 EFFECT_TR_NEHAHRASMOKE,
1506 EFFECT_TR_NEXUIZPLASMA,
1507 EFFECT_TR_GLOWTRAIL,
1508 EFFECT_SVC_PARTICLE,
1513 int CL_ParticleEffectIndexForName(const char *name);
1514 const char *CL_ParticleEffectNameForIndex(int i);
1515 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);
1516 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]);
1517 void CL_ParseParticleEffect (void);
1518 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);
1519 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1520 void CL_EntityParticles (const entity_t *ent);
1521 void CL_ParticleExplosion (const vec3_t org);
1522 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1523 void R_NewExplosion(const vec3_t org);
1525 void Debug_PolygonBegin(const char *picname, int flags);
1526 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1527 void Debug_PolygonEnd(void);
1529 #include "cl_screen.h"
1531 extern qboolean sb_showscores;
1533 float RSurf_FogVertex(const vec3_t p);
1534 float RSurf_FogPoint(const vec3_t p);
1536 typedef struct r_refdef_stats_s
1540 int entities_surfaces;
1541 int entities_triangles;
1545 int world_triangles;
1546 int lightmapupdates;
1547 int lightmapupdatepixels;
1552 int meshes_elements;
1555 int lights_scissored;
1556 int lights_lighttriangles;
1557 int lights_shadowtriangles;
1558 int lights_dynamicshadowtriangles;
1560 int bloom_copypixels;
1561 int bloom_drawpixels;
1562 int indexbufferuploadcount;
1563 int indexbufferuploadsize;
1564 int vertexbufferuploadcount;
1565 int vertexbufferuploadsize;
1569 typedef enum r_viewport_type_e
1571 R_VIEWPORTTYPE_ORTHO,
1572 R_VIEWPORTTYPE_PERSPECTIVE,
1573 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1574 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1575 R_VIEWPORTTYPE_TOTAL
1579 typedef struct r_viewport_s
1581 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1582 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1583 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1590 r_viewport_type_t type;
1591 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1595 typedef struct r_refdef_view_s
1597 // view information (changes multiple times per frame)
1598 // if any of these variables change then r_refdef.viewcache must be regenerated
1599 // by calling R_View_Update
1600 // (which also updates viewport, scissor, colormask)
1602 // it is safe and expected to copy this into a structure on the stack and
1603 // call the renderer recursively, then restore from the stack afterward
1604 // (as long as R_View_Update is called)
1606 // eye position information
1607 matrix4x4_t matrix, inverse_matrix;
1613 int numfrustumplanes;
1614 mplane_t frustum[6];
1615 qboolean useclipplane;
1616 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1618 float frustum_x, frustum_y;
1619 vec3_t frustumcorner[4];
1620 // if turned off it renders an ortho view
1622 float ortho_x, ortho_y;
1624 // screen area to render in
1631 r_viewport_t viewport;
1633 // which color components to allow (for anaglyph glasses)
1636 // global RGB color multiplier for rendering, this is required by HDR
1639 // whether to call R_ClearScreen before rendering stuff
1641 // if true, don't clear or do any post process effects (bloom, etc)
1644 // whether to draw r_showtris and such, this is only true for the main
1645 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1646 // distortion effects, etc) omit such debugging information
1649 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1653 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1658 typedef struct r_refdef_viewcache_s
1660 // updated by gl_main_newmap()
1662 int world_numclusters;
1663 int world_numclusterbytes;
1665 int world_numsurfaces;
1667 // these properties are generated by R_View_Update()
1669 // which entities are currently visible for this viewpoint
1670 // (the used range is 0...r_refdef.scene.numentities)
1671 unsigned char *entityvisible;
1673 // flag arrays used for visibility checking on world model
1674 // (all other entities have no per-surface/per-leaf visibility checks)
1675 unsigned char *world_pvsbits;
1676 unsigned char *world_leafvisible;
1677 unsigned char *world_surfacevisible;
1678 // if true, the view is currently in a leaf without pvs data
1679 qboolean world_novis;
1681 r_refdef_viewcache_t;
1683 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1684 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1685 typedef struct r_refdef_scene_s {
1686 // whether to call S_ExtraUpdate during render to reduce sound chop
1687 qboolean extraupdate;
1689 // (client gameworld) time for rendering time based effects
1693 entity_render_t *worldentity;
1695 // same as worldentity->model
1696 dp_model_t *worldmodel;
1698 // renderable entities (excluding world)
1699 entity_render_t **entities;
1703 // field of temporary entities that is reset each (client) frame
1704 entity_render_t *tempentities;
1705 int numtempentities;
1706 int maxtempentities;
1708 // renderable dynamic lights
1709 rtlight_t *lights[MAX_DLIGHTS];
1710 rtlight_t templights[MAX_DLIGHTS];
1713 // intensities for light styles right now, controls rtlights
1714 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1715 // 8.8bit fixed point intensities for light styles
1716 // controls intensity lightmap layers
1717 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1722 qboolean rtworldshadows;
1724 qboolean rtdlightshadows;
1727 typedef struct r_refdef_s
1729 // these fields define the basic rendering information for the world
1730 // but not the view, which could change multiple times in one rendered
1731 // frame (for example when rendering textures for certain effects)
1733 // these are set for water warping before
1734 // frustum_x/frustum_y are calculated
1735 float frustumscale_x, frustumscale_y;
1737 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1738 r_refdef_view_t view;
1739 r_refdef_viewcache_t viewcache;
1741 // minimum visible distance (pixels closer than this disappear)
1743 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1744 // in 32bpp an infinite-farclip matrix is used instead)
1747 // fullscreen color blend
1750 r_refdef_scene_t scene;
1753 float fogplaneviewdist;
1754 qboolean fogplaneviewabove;
1755 float fogheightfade;
1758 float fograngerecip;
1759 float fogmasktabledistmultiplier;
1760 #define FOGMASKTABLEWIDTH 1024
1761 float fogmasktable[FOGMASKTABLEWIDTH];
1762 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1771 float fog_fadedepth;
1772 qboolean fogenabled;
1773 qboolean oldgl_fogenable;
1775 // new flexible texture height fog (overrides normal fog)
1776 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1777 unsigned char *fog_height_table1d;
1778 unsigned char *fog_height_table2d;
1779 int fog_height_tablesize; // enable
1780 float fog_height_tablescale;
1781 float fog_height_texcoordscale;
1782 char fogheighttexturename[64]; // detects changes to active fog height texture
1784 int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1786 // true during envmap command capture
1789 // brightness of world lightmaps and related lighting
1790 // (often reduced when world rtlights are enabled)
1791 float lightmapintensity;
1792 // whether to draw world lights realtime, dlights realtime, and their shadows
1793 float polygonfactor;
1794 float polygonoffset;
1795 float shadowpolygonfactor;
1796 float shadowpolygonoffset;
1798 // rendering stats for r_speeds display
1799 // (these are incremented in many places)
1800 r_refdef_stats_t stats;
1804 extern r_refdef_t r_refdef;