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_particle_s
99 typedef struct rtlight_s
101 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
103 // note that the world to light matrices are inversely scaled (divided) by lightradius
106 /// matrix for transforming light filter coordinates to world coordinates
107 matrix4x4_t matrix_lighttoworld;
108 /// matrix for transforming world coordinates to light filter coordinates
109 matrix4x4_t matrix_worldtolight;
110 /// typically 1 1 1, can be lower (dim) or higher (overbright)
112 /// size of the light (remove?)
115 char cubemapname[64];
116 /// light style to monitor for brightness
118 /// whether light should render shadows
120 /// intensity of corona to render
122 /// radius scale of corona to render (1.0 means same as light radius)
123 vec_t coronasizescale;
124 /// ambient intensity to render
126 /// diffuse intensity to render
128 /// specular intensity to render
130 /// LIGHTFLAG_* flags
133 // generated properties
134 /// used only for shadow volumes
141 // squared cullradius
144 // rendering properties, updated each time a light is rendered
145 // this is rtlight->color * d_lightstylevalue
147 /// used by corona updates, due to occlusion query
148 float corona_visibility;
149 unsigned int corona_queryindex_visiblepixels;
150 unsigned int corona_queryindex_allpixels;
151 /// this is R_GetCubemap(rtlight->cubemapname)
152 rtexture_t *currentcubemap;
153 /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
155 /// these fields are set by R_Shadow_PrepareLight for later drawing
156 int cached_numlightentities;
157 int cached_numlightentities_noselfshadow;
158 int cached_numshadowentities;
159 int cached_numshadowentities_noselfshadow;
160 int cached_numsurfaces;
161 struct entity_render_s **cached_lightentities;
162 struct entity_render_s **cached_lightentities_noselfshadow;
163 struct entity_render_s **cached_shadowentities;
164 struct entity_render_s **cached_shadowentities_noselfshadow;
165 unsigned char *cached_shadowtrispvs;
166 unsigned char *cached_lighttrispvs;
167 int *cached_surfacelist;
168 // reduced light cullbox from GetLightInfo
169 vec3_t cached_cullmins;
170 vec3_t cached_cullmaxs;
171 // current shadow-caster culling planes based on view
172 // (any geometry outside these planes can not contribute to the visible
173 // shadows in any way, and thus can be culled safely)
174 int cached_numfrustumplanes;
175 mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
177 /// static light info
178 /// true if this light should be compiled as a static light
180 /// true if this is a compiled world light, cleared if the light changes
182 /// the shadowing mode used to compile this light
184 /// premade shadow volumes to render for world entity
185 shadowmesh_t *static_meshchain_shadow_zpass;
186 shadowmesh_t *static_meshchain_shadow_zfail;
187 shadowmesh_t *static_meshchain_shadow_shadowmap;
188 /// used for visibility testing (more exact than bbox)
190 int static_numleafpvsbytes;
191 int *static_leaflist;
192 unsigned char *static_leafpvs;
193 /// surfaces seen by light
194 int static_numsurfaces;
195 int *static_surfacelist;
196 /// flag bits indicating which triangles of the world model should cast
197 /// shadows, and which ones should be lit
199 /// this avoids redundantly scanning the triangles in each surface twice
200 /// for whether they should cast shadows, once in culling and once in the
201 /// actual shadowmarklist production.
202 int static_numshadowtrispvsbytes;
203 unsigned char *static_shadowtrispvs;
204 /// this allows the lighting batch code to skip backfaces andother culled
205 /// triangles not relevant for lighting
206 /// (important on big surfaces such as terrain)
207 int static_numlighttrispvsbytes;
208 unsigned char *static_lighttrispvs;
209 /// masks of all shadowmap sides that have any potential static receivers or casters
210 int static_shadowmap_receivers;
211 int static_shadowmap_casters;
212 /// particle-tracing cache for global illumination
213 int particlecache_numparticles;
214 int particlecache_maxparticles;
215 int particlecache_updateparticle;
216 rtlight_particle_t *particlecache_particles;
220 typedef struct dlight_s
222 // destroy light after this time
225 // the entity that owns this light (can be NULL)
227 struct entity_render_s *ent;
229 // (worldlight: saved to .rtlights file)
231 // worldlight orientation
233 // (worldlight: saved to .rtlights file)
235 // dlight orientation/scaling/location
239 // (worldlight: saved to .rtlights file)
241 // cubemap name to use on this light
242 // (worldlight: saved to .rtlights file)
243 char cubemapname[64];
244 // make light flash while selected
247 // brightness (not really radius anymore)
248 // (worldlight: saved to .rtlights file)
250 // drop intensity this much each second
253 // intensity value which is dropped over time
256 // initial values for intensity to modify
260 // light style which controls intensity of this light
261 // (worldlight: saved to .rtlights file)
264 // (worldlight: saved to .rtlights file)
267 // (worldlight: saved to .rtlights file)
269 // radius scale of corona to render (1.0 means same as light radius)
270 // (worldlight: saved to .rtlights file)
271 vec_t coronasizescale;
272 // ambient intensity to render
273 // (worldlight: saved to .rtlights file)
275 // diffuse intensity to render
276 // (worldlight: saved to .rtlights file)
278 // specular intensity to render
279 // (worldlight: saved to .rtlights file)
282 // (worldlight: saved to .rtlights file)
284 // linked list of world lights
286 struct dlight_s *next;
287 // embedded rtlight struct for renderer
293 #define MAX_FRAMEGROUPBLENDS 4
294 typedef struct framegroupblend_s
296 // animation number and blend factor
297 // (for most models this is the frame number)
300 // time frame began playing (for framegroup animations)
305 // this is derived from processing of the framegroupblend array
306 // note: technically each framegroupblend can produce two of these, but that
307 // never happens in practice because no one blends between more than 2
308 // framegroups at once
309 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
310 typedef struct frameblend_s
317 // LordHavoc: this struct is intended for the renderer but some fields are
318 // used by the client.
320 // The renderer should not rely on any changes to this struct to be persistent
321 // across multiple frames because temp entities are wiped every frame, but it
322 // is acceptable to cache things in this struct that are not critical.
324 // For example the r_cullentities_trace code does such caching.
325 typedef struct entity_render_s
331 // transform matrix for model to world
333 // transform matrix for world to model
334 matrix4x4_t inversematrix;
335 // opacity (alpha) of the model
337 // size the model is shown
339 // transparent sorting offset
340 float transparent_offset;
344 // number of the entity represents, or 0 for non-network entities
346 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
347 vec3_t colormap_pantscolor;
348 vec3_t colormap_shirtcolor;
349 // light, particles, etc
351 // qw CTF flags and other internal-use-only effect bits
358 // colormod tinting of models
362 // interpolated animation - active framegroups and blend factors
363 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
365 // time of last model change (for shader animations)
368 // calculated by the renderer (but not persistent)
370 // calculated during R_AddModelEntities
372 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
373 frameblend_t frameblend[MAX_FRAMEBLENDS];
374 // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
375 skeleton_t *skeleton;
377 // animation cache (pointers allocated using R_FrameData_Alloc)
378 // ONLY valid during R_RenderView! may be NULL (not cached)
379 float *animcache_vertex3f;
380 float *animcache_normal3f;
381 float *animcache_svector3f;
382 float *animcache_tvector3f;
383 // interleaved arrays for rendering and dynamic vertex buffers for them
384 r_meshbuffer_t *animcache_vertex3fbuffer;
385 r_vertexmesh_t *animcache_vertexmesh;
386 r_meshbuffer_t *animcache_vertexmeshbuffer;
388 // current lighting from map (updated ONLY by client code, not renderer)
389 vec3_t modellight_ambient;
390 vec3_t modellight_diffuse; // q3bsp
391 vec3_t modellight_lightdir; // q3bsp
393 // storage of decals on this entity
394 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
396 decalsystem_t decalsystem;
398 // FIELDS UPDATED BY RENDERER:
399 // last time visible during trace culling
400 double last_trace_visibility;
402 // user wavefunc parameters (from csqc)
403 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
407 typedef struct entity_persistent_s
413 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
415 // muzzleflash fading
418 // interpolated movement
420 // start time of move
422 // time difference from start to end of move
424 // the move itself, start and end
432 typedef struct entity_s
434 // baseline state (default values)
435 entity_state_t state_baseline;
436 // previous state (interpolating from this)
437 entity_state_t state_previous;
438 // current state (interpolating to this)
439 entity_state_t state_current;
441 // used for regenerating parts of render
442 entity_persistent_t persistent;
444 // the only data the renderer should know about
445 entity_render_t render;
449 typedef struct usercmd_s
453 // intended velocities
458 vec3_t cursor_screen;
461 vec3_t cursor_impact;
462 vec3_t cursor_normal;
463 vec_t cursor_fraction;
464 int cursor_entitynumber;
466 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
467 double receivetime; // time the move was received at
468 double clienttime; // time to which server state the move corresponds to
469 int msec; // for predicted moves
473 qboolean applied; // if false we're still accumulating a move
474 qboolean predicted; // if true the sequence should be sent as 0
476 // derived properties
483 typedef struct lightstyle_s
486 char map[MAX_STYLESTRING];
489 typedef struct scoreboard_s
491 char name[MAX_SCOREBOARDNAME];
493 int colors; // two 4 bit fields
496 char qw_userinfo[MAX_USERINFO_STRING];
503 char qw_skin[MAX_QPATH];
506 typedef struct cshift_s
509 float percent; // 0-255
510 float alphafade; // (any speed)
513 #define CSHIFT_CONTENTS 0
514 #define CSHIFT_DAMAGE 1
515 #define CSHIFT_BONUS 2
516 #define CSHIFT_POWERUP 3
517 #define CSHIFT_VCSHIFT 4
518 #define NUM_CSHIFTS 5
520 #define NAME_LENGTH 64
524 // client_state_t should hold all pieces of the client state
527 #define SIGNONS 4 // signon messages to receive before connected
529 typedef enum cactive_e
531 ca_uninitialized, // during early startup
532 ca_dedicated, // a dedicated server with no ability to start a client
533 ca_disconnected, // full screen console with no connection
534 ca_connected // valid netcon, talking to a server
538 typedef enum qw_downloadtype_e
548 typedef enum capturevideoformat_e
550 CAPTUREVIDEOFORMAT_AVI_I420,
551 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
553 capturevideoformat_t;
555 typedef struct capturevideostate_s
557 double startrealtime;
570 int soundsampleframe;
571 unsigned char *screenbuffer;
572 unsigned char *outbuffer;
573 char basename[MAX_QPATH];
576 // precomputed RGB to YUV tables
577 // converts the RGB values to YUV (see cap_avi.c for how to use them)
578 short rgbtoyuvscaletable[3][3][256];
579 unsigned char yuvnormalizetable[3][256];
581 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
582 // 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
583 unsigned short vidramp[256 * 3];
585 // stuff to be filled in by the video format module
586 capturevideoformat_t format;
587 const char *formatextension;
590 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
591 void (*endvideo) (void);
592 void (*videoframes) (int num);
593 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
595 // format specific data
596 void *formatspecific;
600 #define CL_MAX_DOWNLOADACKS 4
602 typedef struct cl_downloadack_s
608 typedef struct cl_soundstats_s
612 int latency_milliseconds;
617 // the client_static_t structure is persistent through an arbitrary number
618 // of server connections
620 typedef struct client_static_s
624 // all client memory allocations go in these pools
625 mempool_t *levelmempool;
626 mempool_t *permanentmempool;
629 // -1 = don't play demos
631 // list of demos in loop
632 char demos[MAX_DEMOS][MAX_DEMONAME];
633 // the actively playing demo (set by CL_PlayDemo_f)
634 char demoname[MAX_QPATH];
636 // demo recording info must be here, because record is started before
637 // entering a map (and clearing client_state_t)
638 qboolean demorecording;
639 fs_offset_t demo_lastcsprogssize;
640 int demo_lastcsprogscrc;
641 qboolean demoplayback;
643 // -1 = use normal cd track
646 // realtime at second frame of timedemo (LordHavoc: changed to double)
648 int td_frames; // total frames parsed
649 double td_onesecondnexttime;
650 double td_onesecondframes;
651 double td_onesecondrealtime;
652 double td_onesecondminfps;
653 double td_onesecondmaxfps;
654 double td_onesecondavgfps;
655 int td_onesecondavgcount;
656 // LordHavoc: pausedemo
659 // sound mixer statistics for showsound display
660 cl_soundstats_t soundstats;
662 qboolean connect_trying;
663 int connect_remainingtries;
664 double connect_nextsendtime;
665 lhnetsocket_t *connect_mysocket;
666 lhnetaddress_t connect_address;
667 // protocol version of the server we're connected to
668 // (kept outside client_state_t because it's used between levels)
669 protocolversion_t protocol;
673 lhnetaddress_t rcon_addresses[MAX_RCONS];
674 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
675 double rcon_timeout[MAX_RCONS];
678 // connection information
681 // network connection
684 // download information
685 // (note: qw_download variables are also used)
686 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
688 // input sequence numbers are not reset on level change, only connect
690 int servermovesequence;
692 // quakeworld stuff below
694 // value of "qport" cvar at time of connection
696 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
697 int qw_incoming_sequence;
698 int qw_outgoing_sequence;
700 // current file download buffer (only saved when file is completed)
701 char qw_downloadname[MAX_QPATH];
702 unsigned char *qw_downloadmemory;
703 int qw_downloadmemorycursize;
704 int qw_downloadmemorymaxsize;
705 int qw_downloadnumber;
706 int qw_downloadpercent;
707 qw_downloadtype_t qw_downloadtype;
708 // transfer rate display
709 double qw_downloadspeedtime;
710 int qw_downloadspeedcount;
711 int qw_downloadspeedrate;
712 qboolean qw_download_deflate;
714 // current file upload buffer (for uploading screenshots to server)
715 unsigned char *qw_uploaddata;
720 // this normally contains the following keys in quakeworld:
721 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
722 char userinfo[MAX_USERINFO_STRING];
724 // extra user info for the "connect" command
725 char connect_userinfo[MAX_USERINFO_STRING];
727 // video capture stuff
728 capturevideostate_t capturevideo;
733 // ProQuake compatibility stuff
734 int proquake_servermod; // 0 = not proquake, 1 = proquake
735 int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
736 int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
740 extern client_static_t cls;
742 typedef struct client_movementqueue_s
753 client_movementqueue_t;
759 qboolean drawenginesbar;
760 qboolean drawcrosshair;
765 PARTICLE_BILLBOARD = 0,
767 PARTICLE_ORIENTED_DOUBLESIDED = 2,
770 PARTICLE_INVALID = -1
783 typedef struct particletype_s
786 porientation_t orientation;
793 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
797 typedef struct decal_s
799 // fields used by rendering: (44 bytes)
800 unsigned short typeindex;
801 unsigned short texnum;
806 float alpha; // 0-255
807 unsigned char color[3];
808 unsigned char unused1;
809 int clusterindex; // cheap culling by pvs
811 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
812 float time2; // used for decal fade
813 unsigned int owner; // decal stuck to this entity
814 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
815 vec3_t relativeorigin; // decal at this location in entity's coordinate space
816 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
820 typedef struct particle_s
822 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
824 // fields used by rendering: (48 bytes)
825 vec3_t sortorigin; // sort by this group origin, not particle org
827 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
829 float alpha; // 0-255
830 float stretch; // only for sparks
832 // fields not used by rendering: (44 bytes)
835 float sizeincrease; // rate of size change per second
836 float alphafade; // how much alpha reduces per second
837 float time2; // used for snow fluttering and decal fade
838 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)
839 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
840 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
841 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
842 // float delayedcollisions; // time that p->bounce becomes active
843 float delayedspawn; // time that particle appears and begins moving
844 float die; // time when this particle should be removed, regardless of alpha
846 // short variables grouped to save memory (4 bytes)
847 short angle; // base rotation of particle
848 short spin; // geometry rotation speed around the particle center normal
850 // byte variables grouped to save memory (12 bytes)
851 unsigned char color[3];
852 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
853 unsigned char typeindex;
854 unsigned char blendmode;
855 unsigned char orientation;
856 unsigned char texnum;
857 unsigned char staincolor[3];
858 signed char staintexnum;
862 typedef enum cl_parsingtextmode_e
864 CL_PARSETEXTMODE_NONE,
865 CL_PARSETEXTMODE_PING,
866 CL_PARSETEXTMODE_STATUS,
867 CL_PARSETEXTMODE_STATUS_PLAYERID,
868 CL_PARSETEXTMODE_STATUS_PLAYERIP
870 cl_parsingtextmode_t;
872 typedef struct cl_locnode_s
874 struct cl_locnode_s *next;
880 typedef struct showlmp_s
891 // the client_state_t structure is wiped completely at every
894 typedef struct client_state_s
896 // true if playing in a local game and no one else is connected
899 // send a clc_nop periodically until connected
902 // current input being accumulated by mouse/joystick/etc input
904 // latest moves sent to the server that have not been confirmed yet
905 usercmd_t movecmd[CL_MAX_USERCMDS];
907 // information for local display
909 int stats[MAX_CL_STATS];
910 float *statsf; // points to stats[] array
911 // last known inventory bit flags, for blinking
913 // cl.time of acquiring item, for blinking
914 float item_gettime[32];
915 // last known STAT_ACTIVEWEAPON
917 // cl.time of changing STAT_ACTIVEWEAPON
919 // use pain anim frame if cl.time < this
921 // for stair smoothing
923 double stairsmoothtime;
925 // color shifts for damage, powerups
926 cshift_t cshifts[NUM_CSHIFTS];
928 cshift_t prev_cshifts[NUM_CSHIFTS];
930 // the client maintains its own idea of view angles, which are
931 // sent to the server each frame. The server sets punchangle when
932 // the view is temporarily offset, and an angle reset commands at the start
933 // of each level and after teleporting.
935 // mviewangles is read from demo
936 // viewangles is either client controlled or lerped from mviewangles
937 vec3_t mviewangles[2], viewangles;
938 // update by server, used by qc to do weapon recoil
939 vec3_t mpunchangle[2], punchangle;
940 // update by server, can be used by mods to kick view around
941 vec3_t mpunchvector[2], punchvector;
942 // update by server, used for lean+bob (0 is newest)
943 vec3_t mvelocity[2], velocity;
944 // update by server, can be used by mods for zooming
945 vec_t mviewzoom[2], viewzoom;
946 // if true interpolation the mviewangles and other interpolation of the
947 // player is disabled until the next network packet
948 // this is used primarily by teleporters, and when spectating players
949 // special checking of the old fixangle[1] is used to differentiate
950 // between teleporting and spectating
951 qboolean fixangle[2];
953 // client movement simulation
954 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
955 // set by CL_ClientMovement_Replay functions
956 qboolean movement_predicted;
957 // if true the CL_ClientMovement_Replay function will update origin, etc
958 qboolean movement_replay;
959 // simulated data (this is valid even if cl.movement is false)
960 vec3_t movement_origin;
961 vec3_t movement_velocity;
962 // whether the replay should allow a jump at the first sequence
963 qboolean movement_replay_canjump;
965 // previous gun angles (for leaning effects)
966 vec3_t gunangles_prev;
967 vec3_t gunangles_highpass;
968 vec3_t gunangles_adjustment_lowpass;
969 vec3_t gunangles_adjustment_highpass;
970 // previous gun angles (for leaning effects)
972 vec3_t gunorg_highpass;
973 vec3_t gunorg_adjustment_lowpass;
974 vec3_t gunorg_adjustment_highpass;
976 // pitch drifting vars
983 //[515]: added for csqc purposes
984 float sensitivityscale;
985 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
986 qboolean csqc_wantsmousemove;
987 qboolean csqc_paused; // vortex: int because could be flags
988 struct model_s *csqc_model_precache[MAX_MODELS];
990 // local amount for smoothing stepups
999 qboolean oldonground;
1000 double lastongroundtime;
1001 double hitgroundtime;
1003 float bobfall_speed;
1004 float bobfall_swing;
1006 // don't change view angle, full screen, etc
1008 // latched at intermission start
1009 double completed_time;
1011 // the timestamp of the last two messages
1014 // clients view of time, time should be between mtime[0] and mtime[1] to
1015 // generate a lerp point for other data, oldtime is the previous frame's
1016 // value of time, frametime is the difference between time and oldtime
1017 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1018 // is only forcefully limited when a packet is received
1019 double time, oldtime;
1020 // how long it has been since the previous client frame in real time
1021 // (not game time, for that use cl.time - cl.oldtime)
1022 double realframetime;
1024 // fade var for fading while dead
1027 // motionblur alpha level variable
1028 float motionbluralpha;
1030 // copy of realtime from last recieved message, for net trouble icon
1031 float last_received_message;
1033 // information that is static for the entire time connected to a server
1034 struct model_s *model_precache[MAX_MODELS];
1035 struct sfx_s *sound_precache[MAX_SOUNDS];
1037 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1038 char model_name[MAX_MODELS][MAX_QPATH];
1039 char sound_name[MAX_SOUNDS][MAX_QPATH];
1041 // for display on solo scoreboard
1042 char worldmessage[40]; // map title (not related to filename)
1043 // variants of map name
1044 char worldbasename[MAX_QPATH]; // %s
1045 char worldname[MAX_QPATH]; // maps/%s.bsp
1046 char worldnamenoextension[MAX_QPATH]; // maps/%s
1047 // cl_entitites[cl.viewentity] = player
1049 // the real player entity (normally same as viewentity,
1050 // different than viewentity if mod uses chasecam or other tricks)
1051 int realplayerentity;
1052 // this is updated to match cl.viewentity whenever it is in the clients
1053 // range, basically this is used in preference to cl.realplayerentity for
1054 // most purposes because when spectating another player it should show
1055 // their information rather than yours
1057 // max players that can be in this game
1059 // type of game (deathmatch, coop, singleplayer)
1062 // models and sounds used by engine code (particularly cl_parse.c)
1063 dp_model_t *model_bolt;
1064 dp_model_t *model_bolt2;
1065 dp_model_t *model_bolt3;
1066 dp_model_t *model_beam;
1068 sfx_t *sfx_knighthit;
1074 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1075 qboolean foundtalk2wav;
1077 // refresh related state
1079 // cl_entitites[0].model
1080 struct model_s *worldmodel;
1086 int cdtrack, looptrack;
1091 scoreboard_t *scores;
1093 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1094 cl_parsingtextmode_t parsingtextmode;
1095 int parsingtextplayerindex;
1096 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1097 // (which could eat the wrong ping report if the player issues one
1098 // manually, but they would still see a ping report, just a later one
1099 // caused by the scoreboard code rather than the one they intentionally
1101 int parsingtextexpectingpingforscores;
1103 // entity database stuff
1104 // latest received entity frame numbers
1105 #define LATESTFRAMENUMS 32
1106 int latestframenumsposition;
1107 int latestframenums[LATESTFRAMENUMS];
1108 int latestsendnums[LATESTFRAMENUMS];
1109 entityframe_database_t *entitydatabase;
1110 entityframe4_database_t *entitydatabase4;
1111 entityframeqw_database_t *entitydatabaseqw;
1113 // keep track of quake entities because they need to be killed if they get stale
1114 int lastquakeentity;
1115 unsigned char isquakeentity[MAX_EDICTS];
1117 // bounding boxes for clientside movement
1118 vec3_t playerstandmins;
1119 vec3_t playerstandmaxs;
1120 vec3_t playercrouchmins;
1121 vec3_t playercrouchmaxs;
1123 // old decals are killed based on this
1127 int max_csqcrenderentities;
1128 int max_static_entities;
1133 int max_brushmodel_entities;
1139 entity_render_t *csqcrenderentities;
1140 unsigned char *entities_active;
1141 entity_t *static_entities;
1142 cl_effect_t *effects;
1145 lightstyle_t *lightstyle;
1146 int *brushmodel_entities;
1147 particle_t *particles;
1149 showlmp_t *showlmps;
1152 int num_static_entities;
1153 int num_brushmodel_entities;
1161 double particles_updatetime;
1162 double decals_updatetime;
1166 // cl_serverextension_download feature
1167 int loadmodel_current;
1168 int downloadmodel_current;
1169 int loadmodel_total;
1170 int loadsound_current;
1171 int downloadsound_current;
1172 int loadsound_total;
1173 qboolean downloadcsqc;
1176 qboolean loadfinished;
1180 // local copy of the server infostring
1181 char qw_serverinfo[MAX_SERVERINFO_STRING];
1183 // time of last qw "pings" command sent to server while showing scores
1184 double last_ping_request;
1186 // used during connect
1189 // updated from serverinfo
1192 // unused: indicates whether the player is spectating
1193 // use cl.scores[cl.playerentity-1].qw_spectator instead
1194 //qboolean qw_spectator;
1196 // last time an input packet was sent
1197 double lastpackettime;
1199 // movement parameters for client prediction
1200 unsigned int moveflags;
1201 float movevars_wallfriction;
1202 float movevars_waterfriction;
1203 float movevars_friction;
1204 float movevars_timescale;
1205 float movevars_gravity;
1206 float movevars_stopspeed;
1207 float movevars_maxspeed;
1208 float movevars_spectatormaxspeed;
1209 float movevars_accelerate;
1210 float movevars_airaccelerate;
1211 float movevars_wateraccelerate;
1212 float movevars_entgravity;
1213 float movevars_jumpvelocity;
1214 float movevars_edgefriction;
1215 float movevars_maxairspeed;
1216 float movevars_stepheight;
1217 float movevars_airaccel_qw;
1218 float movevars_airaccel_sideways_friction;
1219 float movevars_airstopaccelerate;
1220 float movevars_airstrafeaccelerate;
1221 float movevars_maxairstrafespeed;
1222 float movevars_airstrafeaccel_qw;
1223 float movevars_aircontrol;
1224 float movevars_aircontrol_power;
1225 float movevars_aircontrol_penalty;
1226 float movevars_warsowbunny_airforwardaccel;
1227 float movevars_warsowbunny_accel;
1228 float movevars_warsowbunny_topspeed;
1229 float movevars_warsowbunny_turnaccel;
1230 float movevars_warsowbunny_backtosideratio;
1231 float movevars_ticrate;
1232 float movevars_airspeedlimit_nonqw;
1234 // models used by qw protocol
1235 int qw_modelindex_spike;
1236 int qw_modelindex_player;
1237 int qw_modelindex_flag;
1238 int qw_modelindex_s_explod;
1240 vec3_t qw_intermission_origin;
1241 vec3_t qw_intermission_angles;
1243 // 255 is the most nails the QW protocol could send
1245 vec_t qw_nails[255][6];
1247 float qw_weaponkick;
1249 int qw_validsequence;
1251 int qw_deltasequence[QW_UPDATE_BACKUP];
1254 // server entity number corresponding to a clientside entity
1255 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1256 qboolean csqc_loaded;
1259 qboolean csqc_usecsqclistener;
1260 matrix4x4_t csqc_listenermatrix;
1261 char csqc_printtextbuf[MAX_INPUTLINE];
1263 // collision culling data
1266 // loc file stuff (points and boxes describing locations in the level)
1267 cl_locnode_t *locnodes;
1268 // this is updated to cl.movement_origin whenever health is < 1
1269 // used by %d print in say/say_team messages if cl_locs_enable is on
1270 vec3_t lastdeathorigin;
1272 // processing buffer used by R_BuildLightMap, reallocated as needed,
1273 // freed on each level change
1274 size_t buildlightmapmemorysize;
1275 unsigned char *buildlightmapmemory;
1282 extern cvar_t cl_name;
1283 extern cvar_t cl_color;
1284 extern cvar_t cl_rate;
1285 extern cvar_t cl_pmodel;
1286 extern cvar_t cl_playermodel;
1287 extern cvar_t cl_playerskin;
1289 extern cvar_t rcon_password;
1290 extern cvar_t rcon_address;
1292 extern cvar_t cl_upspeed;
1293 extern cvar_t cl_forwardspeed;
1294 extern cvar_t cl_backspeed;
1295 extern cvar_t cl_sidespeed;
1297 extern cvar_t cl_movespeedkey;
1299 extern cvar_t cl_yawspeed;
1300 extern cvar_t cl_pitchspeed;
1302 extern cvar_t cl_anglespeedkey;
1304 extern cvar_t cl_autofire;
1306 extern cvar_t cl_shownet;
1307 extern cvar_t cl_nolerp;
1308 extern cvar_t cl_nettimesyncfactor;
1309 extern cvar_t cl_nettimesyncboundmode;
1310 extern cvar_t cl_nettimesyncboundtolerance;
1312 extern cvar_t cl_pitchdriftspeed;
1313 extern cvar_t lookspring;
1314 extern cvar_t lookstrafe;
1315 extern cvar_t sensitivity;
1317 extern cvar_t freelook;
1319 extern cvar_t m_pitch;
1320 extern cvar_t m_yaw;
1321 extern cvar_t m_forward;
1322 extern cvar_t m_side;
1324 extern cvar_t cl_autodemo;
1325 extern cvar_t cl_autodemo_nameformat;
1326 extern cvar_t cl_autodemo_delete;
1328 extern cvar_t r_draweffects;
1330 extern cvar_t cl_explosions_alpha_start;
1331 extern cvar_t cl_explosions_alpha_end;
1332 extern cvar_t cl_explosions_size_start;
1333 extern cvar_t cl_explosions_size_end;
1334 extern cvar_t cl_explosions_lifetime;
1335 extern cvar_t cl_stainmaps;
1336 extern cvar_t cl_stainmaps_clearonload;
1338 extern cvar_t cl_prydoncursor;
1339 extern cvar_t cl_prydoncursor_notrace;
1341 extern cvar_t cl_locs_enable;
1343 extern client_state_t cl;
1345 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);
1347 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1348 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1350 //=============================================================================
1356 void CL_Shutdown (void);
1357 void CL_Init (void);
1359 void CL_EstablishConnection(const char *host, int firstarg);
1361 void CL_Disconnect (void);
1362 void CL_Disconnect_f (void);
1364 void CL_UpdateRenderEntity(entity_render_t *ent);
1365 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1366 void CL_UpdateViewEntities(void);
1371 typedef struct kbutton_s
1373 int down[2]; // key nums holding it down
1374 int state; // low bit is down state
1378 extern kbutton_t in_mlook, in_klook;
1379 extern kbutton_t in_strafe;
1380 extern kbutton_t in_speed;
1382 void CL_InitInput (void);
1383 void CL_SendMove (void);
1385 void CL_ValidateState(entity_state_t *s);
1386 void CL_MoveLerpEntityStates(entity_t *ent);
1387 void CL_LerpUpdate(entity_t *e);
1388 void CL_ParseTEnt (void);
1389 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1390 void CL_RelinkBeams (void);
1391 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1392 void CL_ClientMovement_Replay(void);
1394 void CL_ClearTempEntities (void);
1395 entity_render_t *CL_NewTempEntity (double shadertime);
1397 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1399 void CL_ClearState (void);
1400 void CL_ExpandEntities(int num);
1401 void CL_ExpandCSQCRenderEntities(int num);
1402 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1405 void CL_UpdateWorld (void);
1406 void CL_WriteToServer (void);
1407 void CL_Input (void);
1408 extern int cl_ignoremousemoves;
1411 float CL_KeyState (kbutton_t *key);
1412 const char *Key_KeynumToString (int keynum);
1413 int Key_StringToKeynum (const char *str);
1418 void CL_StopPlayback(void);
1419 void CL_ReadDemoMessage(void);
1420 void CL_WriteDemoMessage(sizebuf_t *mesage);
1422 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1423 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1425 void CL_NextDemo(void);
1426 void CL_Stop_f(void);
1427 void CL_Record_f(void);
1428 void CL_PlayDemo_f(void);
1429 void CL_TimeDemo_f(void);
1434 void CL_Parse_Init(void);
1435 void CL_Parse_Shutdown(void);
1436 void CL_ParseServerMessage(void);
1437 void CL_Parse_DumpPacket(void);
1438 void CL_Parse_ErrorCleanUp(void);
1439 void QW_CL_StartUpload(unsigned char *data, int size);
1440 extern cvar_t qport;
1441 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1446 void V_StartPitchDrift (void);
1447 void V_StopPitchDrift (void);
1450 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1451 void V_UpdateBlends (void);
1452 void V_ParseDamage (void);
1458 extern cvar_t cl_particles;
1459 extern cvar_t cl_particles_quality;
1460 extern cvar_t cl_particles_size;
1461 extern cvar_t cl_particles_quake;
1462 extern cvar_t cl_particles_blood;
1463 extern cvar_t cl_particles_blood_alpha;
1464 extern cvar_t cl_particles_blood_decal_alpha;
1465 extern cvar_t cl_particles_blood_decal_scalemin;
1466 extern cvar_t cl_particles_blood_decal_scalemax;
1467 extern cvar_t cl_particles_blood_bloodhack;
1468 extern cvar_t cl_particles_bulletimpacts;
1469 extern cvar_t cl_particles_explosions_sparks;
1470 extern cvar_t cl_particles_explosions_shell;
1471 extern cvar_t cl_particles_rain;
1472 extern cvar_t cl_particles_snow;
1473 extern cvar_t cl_particles_smoke;
1474 extern cvar_t cl_particles_smoke_alpha;
1475 extern cvar_t cl_particles_smoke_alphafade;
1476 extern cvar_t cl_particles_sparks;
1477 extern cvar_t cl_particles_bubbles;
1478 extern cvar_t cl_decals;
1479 extern cvar_t cl_decals_time;
1480 extern cvar_t cl_decals_fadetime;
1482 void CL_Particles_Clear(void);
1483 void CL_Particles_Init(void);
1484 void CL_Particles_Shutdown(void);
1485 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]);
1487 typedef enum effectnameindex_s
1491 EFFECT_TE_GUNSHOTQUAD,
1493 EFFECT_TE_SPIKEQUAD,
1494 EFFECT_TE_SUPERSPIKE,
1495 EFFECT_TE_SUPERSPIKEQUAD,
1497 EFFECT_TE_KNIGHTSPIKE,
1498 EFFECT_TE_EXPLOSION,
1499 EFFECT_TE_EXPLOSIONQUAD,
1500 EFFECT_TE_TAREXPLOSION,
1502 EFFECT_TE_LAVASPLASH,
1503 EFFECT_TE_SMALLFLASH,
1508 EFFECT_TE_PLASMABURN,
1510 EFFECT_TE_TEI_SMOKE,
1511 EFFECT_TE_TEI_BIGEXPLOSION,
1512 EFFECT_TE_TEI_PLASMAHIT,
1518 EFFECT_TR_SLIGHTBLOOD,
1519 EFFECT_TR_KNIGHTSPIKE,
1520 EFFECT_TR_VORESPIKE,
1521 EFFECT_TR_NEHAHRASMOKE,
1522 EFFECT_TR_NEXUIZPLASMA,
1523 EFFECT_TR_GLOWTRAIL,
1524 EFFECT_SVC_PARTICLE,
1529 int CL_ParticleEffectIndexForName(const char *name);
1530 const char *CL_ParticleEffectNameForIndex(int i);
1531 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);
1532 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]);
1533 void CL_ParseParticleEffect (void);
1534 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);
1535 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1536 void CL_EntityParticles (const entity_t *ent);
1537 void CL_ParticleExplosion (const vec3_t org);
1538 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1539 void R_NewExplosion(const vec3_t org);
1541 void Debug_PolygonBegin(const char *picname, int flags);
1542 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1543 void Debug_PolygonEnd(void);
1545 #include "cl_screen.h"
1547 extern qboolean sb_showscores;
1549 float RSurf_FogVertex(const vec3_t p);
1550 float RSurf_FogPoint(const vec3_t p);
1552 typedef struct r_refdef_stats_s
1556 int entities_surfaces;
1557 int entities_triangles;
1561 int world_triangles;
1562 int lightmapupdates;
1563 int lightmapupdatepixels;
1572 int lights_scissored;
1573 int lights_lighttriangles;
1574 int lights_shadowtriangles;
1575 int lights_dynamicshadowtriangles;
1576 int lights_bouncelightscounted;
1577 int lights_bouncelightsdrawn;
1578 int lights_bouncelightsupdated;
1580 int bloom_copypixels;
1581 int bloom_drawpixels;
1582 int indexbufferuploadcount;
1583 int indexbufferuploadsize;
1584 int vertexbufferuploadcount;
1585 int vertexbufferuploadsize;
1586 int framedatacurrent;
1591 typedef enum r_viewport_type_e
1593 R_VIEWPORTTYPE_ORTHO,
1594 R_VIEWPORTTYPE_PERSPECTIVE,
1595 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1596 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1597 R_VIEWPORTTYPE_TOTAL
1601 typedef struct r_viewport_s
1603 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1604 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1605 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1612 r_viewport_type_t type;
1613 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1617 typedef struct r_refdef_view_s
1619 // view information (changes multiple times per frame)
1620 // if any of these variables change then r_refdef.viewcache must be regenerated
1621 // by calling R_View_Update
1622 // (which also updates viewport, scissor, colormask)
1624 // it is safe and expected to copy this into a structure on the stack and
1625 // call the renderer recursively, then restore from the stack afterward
1626 // (as long as R_View_Update is called)
1628 // eye position information
1629 matrix4x4_t matrix, inverse_matrix;
1635 int numfrustumplanes;
1636 mplane_t frustum[6];
1637 qboolean useclipplane;
1638 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1640 float frustum_x, frustum_y;
1641 vec3_t frustumcorner[4];
1642 // if turned off it renders an ortho view
1644 float ortho_x, ortho_y;
1646 // screen area to render in
1653 r_viewport_t viewport;
1655 // which color components to allow (for anaglyph glasses)
1658 // global RGB color multiplier for rendering, this is required by HDR
1661 // whether to call R_ClearScreen before rendering stuff
1663 // if true, don't clear or do any post process effects (bloom, etc)
1666 // whether to draw r_showtris and such, this is only true for the main
1667 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1668 // distortion effects, etc) omit such debugging information
1671 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1675 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1680 typedef struct r_refdef_viewcache_s
1682 // updated by gl_main_newmap()
1684 int world_numclusters;
1685 int world_numclusterbytes;
1687 int world_numsurfaces;
1689 // these properties are generated by R_View_Update()
1691 // which entities are currently visible for this viewpoint
1692 // (the used range is 0...r_refdef.scene.numentities)
1693 unsigned char *entityvisible;
1695 // flag arrays used for visibility checking on world model
1696 // (all other entities have no per-surface/per-leaf visibility checks)
1697 unsigned char *world_pvsbits;
1698 unsigned char *world_leafvisible;
1699 unsigned char *world_surfacevisible;
1700 // if true, the view is currently in a leaf without pvs data
1701 qboolean world_novis;
1703 r_refdef_viewcache_t;
1705 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1706 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1707 typedef struct r_refdef_scene_s {
1708 // whether to call S_ExtraUpdate during render to reduce sound chop
1709 qboolean extraupdate;
1711 // (client gameworld) time for rendering time based effects
1715 entity_render_t *worldentity;
1717 // same as worldentity->model
1718 dp_model_t *worldmodel;
1720 // renderable entities (excluding world)
1721 entity_render_t **entities;
1725 // field of temporary entities that is reset each (client) frame
1726 entity_render_t *tempentities;
1727 int numtempentities;
1728 int maxtempentities;
1730 // renderable dynamic lights
1731 rtlight_t *lights[MAX_DLIGHTS];
1732 rtlight_t templights[MAX_DLIGHTS];
1735 // intensities for light styles right now, controls rtlights
1736 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1737 // 8.8bit fixed point intensities for light styles
1738 // controls intensity lightmap layers
1739 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1744 qboolean rtworldshadows;
1746 qboolean rtdlightshadows;
1749 typedef struct r_refdef_s
1751 // these fields define the basic rendering information for the world
1752 // but not the view, which could change multiple times in one rendered
1753 // frame (for example when rendering textures for certain effects)
1755 // these are set for water warping before
1756 // frustum_x/frustum_y are calculated
1757 float frustumscale_x, frustumscale_y;
1759 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1760 r_refdef_view_t view;
1761 r_refdef_viewcache_t viewcache;
1763 // minimum visible distance (pixels closer than this disappear)
1765 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1766 // in 32bpp an infinite-farclip matrix is used instead)
1769 // fullscreen color blend
1772 r_refdef_scene_t scene;
1775 float fogplaneviewdist;
1776 qboolean fogplaneviewabove;
1777 float fogheightfade;
1780 float fograngerecip;
1781 float fogmasktabledistmultiplier;
1782 #define FOGMASKTABLEWIDTH 1024
1783 float fogmasktable[FOGMASKTABLEWIDTH];
1784 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1793 float fog_fadedepth;
1794 qboolean fogenabled;
1795 qboolean oldgl_fogenable;
1797 // new flexible texture height fog (overrides normal fog)
1798 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1799 unsigned char *fog_height_table1d;
1800 unsigned char *fog_height_table2d;
1801 int fog_height_tablesize; // enable
1802 float fog_height_tablescale;
1803 float fog_height_texcoordscale;
1804 char fogheighttexturename[64]; // detects changes to active fog height texture
1806 int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1808 // true during envmap command capture
1811 // brightness of world lightmaps and related lighting
1812 // (often reduced when world rtlights are enabled)
1813 float lightmapintensity;
1814 // whether to draw world lights realtime, dlights realtime, and their shadows
1815 float polygonfactor;
1816 float polygonoffset;
1817 float shadowpolygonfactor;
1818 float shadowpolygonoffset;
1820 // rendering stats for r_speeds display
1821 // (these are incremented in many places)
1822 r_refdef_stats_t stats;
1826 extern r_refdef_t r_refdef;