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];
38 float plane[4]; // backface culling
39 // how long this decal has lived so far (the actual fade begins at cl_decals_time)
41 // if >= 0 this indicates the decal should follow an animated triangle
43 // for visibility culling
45 // old decals are killed to obey cl_decals_max
50 typedef struct decalsystem_s
53 double lastupdatetime;
62 unsigned short *element3s;
66 typedef struct effect_s
75 // these are for interpolation
85 // draw this as lightning polygons, or a model?
87 struct model_s *model;
93 typedef struct rtlight_particle_s
100 typedef struct rtlight_s
102 // shadow volumes are done entirely in model space, so there are no matrices for dealing with them... they just use the origin
104 // note that the world to light matrices are inversely scaled (divided) by lightradius
107 /// matrix for transforming light filter coordinates to world coordinates
108 matrix4x4_t matrix_lighttoworld;
109 /// matrix for transforming world coordinates to light filter coordinates
110 matrix4x4_t matrix_worldtolight;
111 /// typically 1 1 1, can be lower (dim) or higher (overbright)
113 /// size of the light (remove?)
116 char cubemapname[64];
117 /// light style to monitor for brightness
119 /// whether light should render shadows
121 /// intensity of corona to render
123 /// radius scale of corona to render (1.0 means same as light radius)
124 vec_t coronasizescale;
125 /// ambient intensity to render
127 /// diffuse intensity to render
129 /// specular intensity to render
131 /// LIGHTFLAG_* flags
134 // generated properties
135 /// used only for shadow volumes
142 // squared cullradius
145 // rendering properties, updated each time a light is rendered
146 // this is rtlight->color * d_lightstylevalue
148 /// used by corona updates, due to occlusion query
149 float corona_visibility;
150 unsigned int corona_queryindex_visiblepixels;
151 unsigned int corona_queryindex_allpixels;
152 /// this is R_GetCubemap(rtlight->cubemapname)
153 rtexture_t *currentcubemap;
154 /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
156 /// these fields are set by R_Shadow_PrepareLight for later drawing
157 int cached_numlightentities;
158 int cached_numlightentities_noselfshadow;
159 int cached_numshadowentities;
160 int cached_numshadowentities_noselfshadow;
161 int cached_numsurfaces;
162 struct entity_render_s **cached_lightentities;
163 struct entity_render_s **cached_lightentities_noselfshadow;
164 struct entity_render_s **cached_shadowentities;
165 struct entity_render_s **cached_shadowentities_noselfshadow;
166 unsigned char *cached_shadowtrispvs;
167 unsigned char *cached_lighttrispvs;
168 int *cached_surfacelist;
169 // reduced light cullbox from GetLightInfo
170 vec3_t cached_cullmins;
171 vec3_t cached_cullmaxs;
172 // current shadow-caster culling planes based on view
173 // (any geometry outside these planes can not contribute to the visible
174 // shadows in any way, and thus can be culled safely)
175 int cached_numfrustumplanes;
176 mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
178 /// static light info
179 /// true if this light should be compiled as a static light
181 /// true if this is a compiled world light, cleared if the light changes
183 /// the shadowing mode used to compile this light
185 /// premade shadow volumes to render for world entity
186 shadowmesh_t *static_meshchain_shadow_zpass;
187 shadowmesh_t *static_meshchain_shadow_zfail;
188 shadowmesh_t *static_meshchain_shadow_shadowmap;
189 /// used for visibility testing (more exact than bbox)
191 int static_numleafpvsbytes;
192 int *static_leaflist;
193 unsigned char *static_leafpvs;
194 /// surfaces seen by light
195 int static_numsurfaces;
196 int *static_surfacelist;
197 /// flag bits indicating which triangles of the world model should cast
198 /// shadows, and which ones should be lit
200 /// this avoids redundantly scanning the triangles in each surface twice
201 /// for whether they should cast shadows, once in culling and once in the
202 /// actual shadowmarklist production.
203 int static_numshadowtrispvsbytes;
204 unsigned char *static_shadowtrispvs;
205 /// this allows the lighting batch code to skip backfaces andother culled
206 /// triangles not relevant for lighting
207 /// (important on big surfaces such as terrain)
208 int static_numlighttrispvsbytes;
209 unsigned char *static_lighttrispvs;
210 /// masks of all shadowmap sides that have any potential static receivers or casters
211 int static_shadowmap_receivers;
212 int static_shadowmap_casters;
213 /// particle-tracing cache for global illumination
214 int particlecache_numparticles;
215 int particlecache_maxparticles;
216 int particlecache_updateparticle;
217 rtlight_particle_t *particlecache_particles;
219 /// bouncegrid light info
220 float photoncolor[3];
225 typedef struct dlight_s
227 // destroy light after this time
230 // the entity that owns this light (can be NULL)
232 struct entity_render_s *ent;
234 // (worldlight: saved to .rtlights file)
236 // worldlight orientation
238 // (worldlight: saved to .rtlights file)
240 // dlight orientation/scaling/location
244 // (worldlight: saved to .rtlights file)
246 // cubemap name to use on this light
247 // (worldlight: saved to .rtlights file)
248 char cubemapname[64];
249 // make light flash while selected
252 // brightness (not really radius anymore)
253 // (worldlight: saved to .rtlights file)
255 // drop intensity this much each second
258 // intensity value which is dropped over time
261 // initial values for intensity to modify
265 // light style which controls intensity of this light
266 // (worldlight: saved to .rtlights file)
269 // (worldlight: saved to .rtlights file)
272 // (worldlight: saved to .rtlights file)
274 // radius scale of corona to render (1.0 means same as light radius)
275 // (worldlight: saved to .rtlights file)
276 vec_t coronasizescale;
277 // ambient intensity to render
278 // (worldlight: saved to .rtlights file)
280 // diffuse intensity to render
281 // (worldlight: saved to .rtlights file)
283 // specular intensity to render
284 // (worldlight: saved to .rtlights file)
287 // (worldlight: saved to .rtlights file)
289 // linked list of world lights
291 struct dlight_s *next;
292 // embedded rtlight struct for renderer
298 // this is derived from processing of the framegroupblend array
299 // note: technically each framegroupblend can produce two of these, but that
300 // never happens in practice because no one blends between more than 2
301 // framegroups at once
302 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
303 typedef struct frameblend_s
310 // LordHavoc: this struct is intended for the renderer but some fields are
311 // used by the client.
313 // The renderer should not rely on any changes to this struct to be persistent
314 // across multiple frames because temp entities are wiped every frame, but it
315 // is acceptable to cache things in this struct that are not critical.
317 // For example the r_cullentities_trace code does such caching.
318 typedef struct entity_render_s
324 // transform matrix for model to world
326 // transform matrix for world to model
327 matrix4x4_t inversematrix;
328 // opacity (alpha) of the model
330 // size the model is shown
332 // transparent sorting offset
333 float transparent_offset;
337 // number of the entity represents, or 0 for non-network entities
339 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
340 vec3_t colormap_pantscolor;
341 vec3_t colormap_shirtcolor;
342 // light, particles, etc
344 // qw CTF flags and other internal-use-only effect bits
351 // colormod tinting of models
355 // interpolated animation - active framegroups and blend factors
356 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
358 // time of last model change (for shader animations)
361 // calculated by the renderer (but not persistent)
363 // calculated during R_AddModelEntities
365 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
366 frameblend_t frameblend[MAX_FRAMEBLENDS];
367 // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
368 skeleton_t *skeleton;
370 // animation cache (pointers allocated using R_FrameData_Alloc)
371 // ONLY valid during R_RenderView! may be NULL (not cached)
372 float *animcache_vertex3f;
373 float *animcache_normal3f;
374 float *animcache_svector3f;
375 float *animcache_tvector3f;
376 // interleaved arrays for rendering and dynamic vertex buffers for them
377 r_meshbuffer_t *animcache_vertex3fbuffer;
378 r_vertexmesh_t *animcache_vertexmesh;
379 r_meshbuffer_t *animcache_vertexmeshbuffer;
381 // current lighting from map (updated ONLY by client code, not renderer)
382 vec3_t modellight_ambient;
383 vec3_t modellight_diffuse; // q3bsp
384 vec3_t modellight_lightdir; // q3bsp
386 // storage of decals on this entity
387 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
389 decalsystem_t decalsystem;
391 // FIELDS UPDATED BY RENDERER:
392 // last time visible during trace culling
393 double last_trace_visibility;
395 // user wavefunc parameters (from csqc)
396 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
400 typedef struct entity_persistent_s
406 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
408 // muzzleflash fading
411 // interpolated movement
413 // start time of move
415 // time difference from start to end of move
417 // the move itself, start and end
425 typedef struct entity_s
427 // baseline state (default values)
428 entity_state_t state_baseline;
429 // previous state (interpolating from this)
430 entity_state_t state_previous;
431 // current state (interpolating to this)
432 entity_state_t state_current;
434 // used for regenerating parts of render
435 entity_persistent_t persistent;
437 // the only data the renderer should know about
438 entity_render_t render;
442 typedef struct usercmd_s
446 // intended velocities
451 vec3_t cursor_screen;
454 vec3_t cursor_impact;
455 vec3_t cursor_normal;
456 vec_t cursor_fraction;
457 int cursor_entitynumber;
459 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
460 double receivetime; // time the move was received at
461 double clienttime; // time to which server state the move corresponds to
462 int msec; // for predicted moves
466 qboolean applied; // if false we're still accumulating a move
467 qboolean predicted; // if true the sequence should be sent as 0
469 // derived properties
476 typedef struct lightstyle_s
479 char map[MAX_STYLESTRING];
482 typedef struct scoreboard_s
484 char name[MAX_SCOREBOARDNAME];
486 int colors; // two 4 bit fields
489 char qw_userinfo[MAX_USERINFO_STRING];
496 char qw_skin[MAX_QPATH];
499 typedef struct cshift_s
502 float percent; // 0-255
503 float alphafade; // (any speed)
506 #define CSHIFT_CONTENTS 0
507 #define CSHIFT_DAMAGE 1
508 #define CSHIFT_BONUS 2
509 #define CSHIFT_POWERUP 3
510 #define CSHIFT_VCSHIFT 4
511 #define NUM_CSHIFTS 5
513 #define NAME_LENGTH 64
517 // client_state_t should hold all pieces of the client state
520 #define SIGNONS 4 // signon messages to receive before connected
522 typedef enum cactive_e
524 ca_uninitialized, // during early startup
525 ca_dedicated, // a dedicated server with no ability to start a client
526 ca_disconnected, // full screen console with no connection
527 ca_connected // valid netcon, talking to a server
531 typedef enum qw_downloadtype_e
541 typedef enum capturevideoformat_e
543 CAPTUREVIDEOFORMAT_AVI_I420,
544 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
546 capturevideoformat_t;
548 typedef struct capturevideostate_s
550 double startrealtime;
563 int soundsampleframe;
564 unsigned char *screenbuffer;
565 unsigned char *outbuffer;
566 char basename[MAX_QPATH];
569 // precomputed RGB to YUV tables
570 // converts the RGB values to YUV (see cap_avi.c for how to use them)
571 short rgbtoyuvscaletable[3][3][256];
572 unsigned char yuvnormalizetable[3][256];
574 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
575 // 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
576 unsigned short vidramp[256 * 3];
578 // stuff to be filled in by the video format module
579 capturevideoformat_t format;
580 const char *formatextension;
583 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
584 void (*endvideo) (void);
585 void (*videoframes) (int num);
586 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
588 // format specific data
589 void *formatspecific;
593 #define CL_MAX_DOWNLOADACKS 4
595 typedef struct cl_downloadack_s
601 typedef struct cl_soundstats_s
605 int latency_milliseconds;
610 // the client_static_t structure is persistent through an arbitrary number
611 // of server connections
613 typedef struct client_static_s
617 // all client memory allocations go in these pools
618 mempool_t *levelmempool;
619 mempool_t *permanentmempool;
622 // -1 = don't play demos
624 // list of demos in loop
625 char demos[MAX_DEMOS][MAX_DEMONAME];
626 // the actively playing demo (set by CL_PlayDemo_f)
627 char demoname[MAX_QPATH];
629 // demo recording info must be here, because record is started before
630 // entering a map (and clearing client_state_t)
631 qboolean demorecording;
632 fs_offset_t demo_lastcsprogssize;
633 int demo_lastcsprogscrc;
634 qboolean demoplayback;
636 // -1 = use normal cd track
639 // realtime at second frame of timedemo (LordHavoc: changed to double)
641 int td_frames; // total frames parsed
642 double td_onesecondnexttime;
643 double td_onesecondframes;
644 double td_onesecondrealtime;
645 double td_onesecondminfps;
646 double td_onesecondmaxfps;
647 double td_onesecondavgfps;
648 int td_onesecondavgcount;
649 // LordHavoc: pausedemo
652 // sound mixer statistics for showsound display
653 cl_soundstats_t soundstats;
655 qboolean connect_trying;
656 int connect_remainingtries;
657 double connect_nextsendtime;
658 lhnetsocket_t *connect_mysocket;
659 lhnetaddress_t connect_address;
660 // protocol version of the server we're connected to
661 // (kept outside client_state_t because it's used between levels)
662 protocolversion_t protocol;
666 lhnetaddress_t rcon_addresses[MAX_RCONS];
667 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
668 double rcon_timeout[MAX_RCONS];
671 // connection information
674 // network connection
677 // download information
678 // (note: qw_download variables are also used)
679 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
681 // input sequence numbers are not reset on level change, only connect
683 int servermovesequence;
685 // quakeworld stuff below
687 // value of "qport" cvar at time of connection
689 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
690 int qw_incoming_sequence;
691 int qw_outgoing_sequence;
693 // current file download buffer (only saved when file is completed)
694 char qw_downloadname[MAX_QPATH];
695 unsigned char *qw_downloadmemory;
696 int qw_downloadmemorycursize;
697 int qw_downloadmemorymaxsize;
698 int qw_downloadnumber;
699 int qw_downloadpercent;
700 qw_downloadtype_t qw_downloadtype;
701 // transfer rate display
702 double qw_downloadspeedtime;
703 int qw_downloadspeedcount;
704 int qw_downloadspeedrate;
705 qboolean qw_download_deflate;
707 // current file upload buffer (for uploading screenshots to server)
708 unsigned char *qw_uploaddata;
713 // this normally contains the following keys in quakeworld:
714 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
715 char userinfo[MAX_USERINFO_STRING];
717 // extra user info for the "connect" command
718 char connect_userinfo[MAX_USERINFO_STRING];
720 // video capture stuff
721 capturevideostate_t capturevideo;
726 // ProQuake compatibility stuff
727 int proquake_servermod; // 0 = not proquake, 1 = proquake
728 int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
729 int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
733 extern client_static_t cls;
735 typedef struct client_movementqueue_s
746 client_movementqueue_t;
752 qboolean drawenginesbar;
753 qboolean drawcrosshair;
758 PARTICLE_BILLBOARD = 0,
760 PARTICLE_ORIENTED_DOUBLESIDED = 2,
763 PARTICLE_INVALID = -1
776 typedef struct particletype_s
779 porientation_t orientation;
786 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
790 typedef struct decal_s
792 // fields used by rendering: (44 bytes)
793 unsigned short typeindex;
794 unsigned short texnum;
799 float alpha; // 0-255
800 unsigned char color[3];
801 unsigned char unused1;
802 int clusterindex; // cheap culling by pvs
804 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
805 float time2; // used for decal fade
806 unsigned int owner; // decal stuck to this entity
807 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
808 vec3_t relativeorigin; // decal at this location in entity's coordinate space
809 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
813 typedef struct particle_s
815 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
817 // fields used by rendering: (48 bytes)
818 vec3_t sortorigin; // sort by this group origin, not particle org
820 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
822 float alpha; // 0-255
823 float stretch; // only for sparks
825 // fields not used by rendering: (44 bytes)
828 float sizeincrease; // rate of size change per second
829 float alphafade; // how much alpha reduces per second
830 float time2; // used for snow fluttering and decal fade
831 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)
832 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
833 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
834 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
835 // float delayedcollisions; // time that p->bounce becomes active
836 float delayedspawn; // time that particle appears and begins moving
837 float die; // time when this particle should be removed, regardless of alpha
839 // short variables grouped to save memory (4 bytes)
840 short angle; // base rotation of particle
841 short spin; // geometry rotation speed around the particle center normal
843 // byte variables grouped to save memory (12 bytes)
844 unsigned char color[3];
845 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
846 unsigned char typeindex;
847 unsigned char blendmode;
848 unsigned char orientation;
849 unsigned char texnum;
850 unsigned char staincolor[3];
851 signed char staintexnum;
855 typedef enum cl_parsingtextmode_e
857 CL_PARSETEXTMODE_NONE,
858 CL_PARSETEXTMODE_PING,
859 CL_PARSETEXTMODE_STATUS,
860 CL_PARSETEXTMODE_STATUS_PLAYERID,
861 CL_PARSETEXTMODE_STATUS_PLAYERIP
863 cl_parsingtextmode_t;
865 typedef struct cl_locnode_s
867 struct cl_locnode_s *next;
873 typedef struct showlmp_s
884 // the client_state_t structure is wiped completely at every
887 typedef struct client_state_s
889 // true if playing in a local game and no one else is connected
892 // send a clc_nop periodically until connected
895 // current input being accumulated by mouse/joystick/etc input
897 // latest moves sent to the server that have not been confirmed yet
898 usercmd_t movecmd[CL_MAX_USERCMDS];
900 // information for local display
902 int stats[MAX_CL_STATS];
903 float *statsf; // points to stats[] array
904 // last known inventory bit flags, for blinking
906 // cl.time of acquiring item, for blinking
907 float item_gettime[32];
908 // last known STAT_ACTIVEWEAPON
910 // cl.time of changing STAT_ACTIVEWEAPON
912 // use pain anim frame if cl.time < this
914 // for stair smoothing
916 double stairsmoothtime;
918 // color shifts for damage, powerups
919 cshift_t cshifts[NUM_CSHIFTS];
921 cshift_t prev_cshifts[NUM_CSHIFTS];
923 // the client maintains its own idea of view angles, which are
924 // sent to the server each frame. The server sets punchangle when
925 // the view is temporarily offset, and an angle reset commands at the start
926 // of each level and after teleporting.
928 // mviewangles is read from demo
929 // viewangles is either client controlled or lerped from mviewangles
930 vec3_t mviewangles[2], viewangles;
931 // update by server, used by qc to do weapon recoil
932 vec3_t mpunchangle[2], punchangle;
933 // update by server, can be used by mods to kick view around
934 vec3_t mpunchvector[2], punchvector;
935 // update by server, used for lean+bob (0 is newest)
936 vec3_t mvelocity[2], velocity;
937 // update by server, can be used by mods for zooming
938 vec_t mviewzoom[2], viewzoom;
939 // if true interpolation the mviewangles and other interpolation of the
940 // player is disabled until the next network packet
941 // this is used primarily by teleporters, and when spectating players
942 // special checking of the old fixangle[1] is used to differentiate
943 // between teleporting and spectating
944 qboolean fixangle[2];
946 // client movement simulation
947 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
948 // set by CL_ClientMovement_Replay functions
949 qboolean movement_predicted;
950 // if true the CL_ClientMovement_Replay function will update origin, etc
951 qboolean movement_replay;
952 // simulated data (this is valid even if cl.movement is false)
953 vec3_t movement_origin;
954 vec3_t movement_velocity;
955 // whether the replay should allow a jump at the first sequence
956 qboolean movement_replay_canjump;
958 // previous gun angles (for leaning effects)
959 vec3_t gunangles_prev;
960 vec3_t gunangles_highpass;
961 vec3_t gunangles_adjustment_lowpass;
962 vec3_t gunangles_adjustment_highpass;
963 // previous gun angles (for leaning effects)
965 vec3_t gunorg_highpass;
966 vec3_t gunorg_adjustment_lowpass;
967 vec3_t gunorg_adjustment_highpass;
969 // pitch drifting vars
976 //[515]: added for csqc purposes
977 float sensitivityscale;
978 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
979 qboolean csqc_wantsmousemove;
980 qboolean csqc_paused; // vortex: int because could be flags
981 struct model_s *csqc_model_precache[MAX_MODELS];
983 // local amount for smoothing stepups
992 qboolean oldonground;
993 double lastongroundtime;
994 double hitgroundtime;
999 // don't change view angle, full screen, etc
1001 // latched at intermission start
1002 double completed_time;
1004 // the timestamp of the last two messages
1007 // clients view of time, time should be between mtime[0] and mtime[1] to
1008 // generate a lerp point for other data, oldtime is the previous frame's
1009 // value of time, frametime is the difference between time and oldtime
1010 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1011 // is only forcefully limited when a packet is received
1012 double time, oldtime;
1013 // how long it has been since the previous client frame in real time
1014 // (not game time, for that use cl.time - cl.oldtime)
1015 double realframetime;
1017 // fade var for fading while dead
1020 // motionblur alpha level variable
1021 float motionbluralpha;
1023 // copy of realtime from last recieved message, for net trouble icon
1024 float last_received_message;
1026 // information that is static for the entire time connected to a server
1027 struct model_s *model_precache[MAX_MODELS];
1028 struct sfx_s *sound_precache[MAX_SOUNDS];
1030 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1031 char model_name[MAX_MODELS][MAX_QPATH];
1032 char sound_name[MAX_SOUNDS][MAX_QPATH];
1034 // for display on solo scoreboard
1035 char worldmessage[40]; // map title (not related to filename)
1036 // variants of map name
1037 char worldbasename[MAX_QPATH]; // %s
1038 char worldname[MAX_QPATH]; // maps/%s.bsp
1039 char worldnamenoextension[MAX_QPATH]; // maps/%s
1040 // cl_entitites[cl.viewentity] = player
1042 // the real player entity (normally same as viewentity,
1043 // different than viewentity if mod uses chasecam or other tricks)
1044 int realplayerentity;
1045 // this is updated to match cl.viewentity whenever it is in the clients
1046 // range, basically this is used in preference to cl.realplayerentity for
1047 // most purposes because when spectating another player it should show
1048 // their information rather than yours
1050 // max players that can be in this game
1052 // type of game (deathmatch, coop, singleplayer)
1055 // models and sounds used by engine code (particularly cl_parse.c)
1056 dp_model_t *model_bolt;
1057 dp_model_t *model_bolt2;
1058 dp_model_t *model_bolt3;
1059 dp_model_t *model_beam;
1061 sfx_t *sfx_knighthit;
1067 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1068 qboolean foundtalk2wav;
1070 // refresh related state
1072 // cl_entitites[0].model
1073 struct model_s *worldmodel;
1079 int cdtrack, looptrack;
1084 scoreboard_t *scores;
1086 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1087 cl_parsingtextmode_t parsingtextmode;
1088 int parsingtextplayerindex;
1089 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1090 // (which could eat the wrong ping report if the player issues one
1091 // manually, but they would still see a ping report, just a later one
1092 // caused by the scoreboard code rather than the one they intentionally
1094 int parsingtextexpectingpingforscores;
1096 // entity database stuff
1097 // latest received entity frame numbers
1098 #define LATESTFRAMENUMS 32
1099 int latestframenumsposition;
1100 int latestframenums[LATESTFRAMENUMS];
1101 int latestsendnums[LATESTFRAMENUMS];
1102 entityframe_database_t *entitydatabase;
1103 entityframe4_database_t *entitydatabase4;
1104 entityframeqw_database_t *entitydatabaseqw;
1106 // keep track of quake entities because they need to be killed if they get stale
1107 int lastquakeentity;
1108 unsigned char isquakeentity[MAX_EDICTS];
1110 // bounding boxes for clientside movement
1111 vec3_t playerstandmins;
1112 vec3_t playerstandmaxs;
1113 vec3_t playercrouchmins;
1114 vec3_t playercrouchmaxs;
1116 // old decals are killed based on this
1120 int max_csqcrenderentities;
1121 int max_static_entities;
1126 int max_brushmodel_entities;
1132 entity_render_t *csqcrenderentities;
1133 unsigned char *entities_active;
1134 entity_t *static_entities;
1135 cl_effect_t *effects;
1138 lightstyle_t *lightstyle;
1139 int *brushmodel_entities;
1140 particle_t *particles;
1142 showlmp_t *showlmps;
1145 int num_static_entities;
1146 int num_brushmodel_entities;
1154 double particles_updatetime;
1155 double decals_updatetime;
1159 // cl_serverextension_download feature
1160 int loadmodel_current;
1161 int downloadmodel_current;
1162 int loadmodel_total;
1163 int loadsound_current;
1164 int downloadsound_current;
1165 int loadsound_total;
1166 qboolean downloadcsqc;
1169 qboolean loadfinished;
1173 // local copy of the server infostring
1174 char qw_serverinfo[MAX_SERVERINFO_STRING];
1176 // time of last qw "pings" command sent to server while showing scores
1177 double last_ping_request;
1179 // used during connect
1182 // updated from serverinfo
1185 // unused: indicates whether the player is spectating
1186 // use cl.scores[cl.playerentity-1].qw_spectator instead
1187 //qboolean qw_spectator;
1189 // last time an input packet was sent
1190 double lastpackettime;
1192 // movement parameters for client prediction
1193 unsigned int moveflags;
1194 float movevars_wallfriction;
1195 float movevars_waterfriction;
1196 float movevars_friction;
1197 float movevars_timescale;
1198 float movevars_gravity;
1199 float movevars_stopspeed;
1200 float movevars_maxspeed;
1201 float movevars_spectatormaxspeed;
1202 float movevars_accelerate;
1203 float movevars_airaccelerate;
1204 float movevars_wateraccelerate;
1205 float movevars_entgravity;
1206 float movevars_jumpvelocity;
1207 float movevars_edgefriction;
1208 float movevars_maxairspeed;
1209 float movevars_stepheight;
1210 float movevars_airaccel_qw;
1211 float movevars_airaccel_qw_stretchfactor;
1212 float movevars_airaccel_sideways_friction;
1213 float movevars_airstopaccelerate;
1214 float movevars_airstrafeaccelerate;
1215 float movevars_maxairstrafespeed;
1216 float movevars_airstrafeaccel_qw;
1217 float movevars_aircontrol;
1218 float movevars_aircontrol_power;
1219 float movevars_aircontrol_penalty;
1220 float movevars_warsowbunny_airforwardaccel;
1221 float movevars_warsowbunny_accel;
1222 float movevars_warsowbunny_topspeed;
1223 float movevars_warsowbunny_turnaccel;
1224 float movevars_warsowbunny_backtosideratio;
1225 float movevars_ticrate;
1226 float movevars_airspeedlimit_nonqw;
1228 // models used by qw protocol
1229 int qw_modelindex_spike;
1230 int qw_modelindex_player;
1231 int qw_modelindex_flag;
1232 int qw_modelindex_s_explod;
1234 vec3_t qw_intermission_origin;
1235 vec3_t qw_intermission_angles;
1237 // 255 is the most nails the QW protocol could send
1239 vec_t qw_nails[255][6];
1241 float qw_weaponkick;
1243 int qw_validsequence;
1245 int qw_deltasequence[QW_UPDATE_BACKUP];
1248 // server entity number corresponding to a clientside entity
1249 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1250 qboolean csqc_loaded;
1251 vec3_t csqc_vieworigin;
1252 vec3_t csqc_viewangles;
1253 vec3_t csqc_vieworiginfromengine;
1254 vec3_t csqc_viewanglesfromengine;
1255 matrix4x4_t csqc_viewmodelmatrixfromengine;
1256 qboolean csqc_usecsqclistener;
1257 matrix4x4_t csqc_listenermatrix;
1258 char csqc_printtextbuf[MAX_INPUTLINE];
1260 // collision culling data
1263 // loc file stuff (points and boxes describing locations in the level)
1264 cl_locnode_t *locnodes;
1265 // this is updated to cl.movement_origin whenever health is < 1
1266 // used by %d print in say/say_team messages if cl_locs_enable is on
1267 vec3_t lastdeathorigin;
1269 // processing buffer used by R_BuildLightMap, reallocated as needed,
1270 // freed on each level change
1271 size_t buildlightmapmemorysize;
1272 unsigned char *buildlightmapmemory;
1274 // used by EntityState5_ReadUpdate
1275 skeleton_t *engineskeletonobjects;
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 bouncegrid_lights;
1577 int bouncegrid_particles;
1578 int bouncegrid_traces;
1579 int bouncegrid_hits;
1580 int bouncegrid_splats;
1581 int bouncegrid_bounces;
1582 int collisioncache_animated;
1583 int collisioncache_cached;
1584 int collisioncache_traced;
1586 int bloom_copypixels;
1587 int bloom_drawpixels;
1588 int indexbufferuploadcount;
1589 int indexbufferuploadsize;
1590 int vertexbufferuploadcount;
1591 int vertexbufferuploadsize;
1592 int framedatacurrent;
1597 typedef enum r_viewport_type_e
1599 R_VIEWPORTTYPE_ORTHO,
1600 R_VIEWPORTTYPE_PERSPECTIVE,
1601 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1602 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1603 R_VIEWPORTTYPE_TOTAL
1607 typedef struct r_viewport_s
1609 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1610 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1611 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1618 r_viewport_type_t type;
1619 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1623 typedef struct r_refdef_view_s
1625 // view information (changes multiple times per frame)
1626 // if any of these variables change then r_refdef.viewcache must be regenerated
1627 // by calling R_View_Update
1628 // (which also updates viewport, scissor, colormask)
1630 // it is safe and expected to copy this into a structure on the stack and
1631 // call the renderer recursively, then restore from the stack afterward
1632 // (as long as R_View_Update is called)
1634 // eye position information
1635 matrix4x4_t matrix, inverse_matrix;
1641 int numfrustumplanes;
1642 mplane_t frustum[6];
1643 qboolean useclipplane;
1644 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1646 float frustum_x, frustum_y;
1647 vec3_t frustumcorner[4];
1648 // if turned off it renders an ortho view
1650 float ortho_x, ortho_y;
1652 // screen area to render in
1659 r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1661 // which color components to allow (for anaglyph glasses)
1664 // global RGB color multiplier for rendering
1667 // whether to call R_ClearScreen before rendering stuff
1669 // if true, don't clear or do any post process effects (bloom, etc)
1672 // whether to draw r_showtris and such, this is only true for the main
1673 // view render, all secondary renders (mirrors, portals, cameras,
1674 // distortion effects, etc) omit such debugging information
1677 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1681 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1686 typedef struct r_refdef_viewcache_s
1688 // updated by gl_main_newmap()
1690 int world_numclusters;
1691 int world_numclusterbytes;
1693 int world_numsurfaces;
1695 // these properties are generated by R_View_Update()
1697 // which entities are currently visible for this viewpoint
1698 // (the used range is 0...r_refdef.scene.numentities)
1699 unsigned char *entityvisible;
1701 // flag arrays used for visibility checking on world model
1702 // (all other entities have no per-surface/per-leaf visibility checks)
1703 unsigned char *world_pvsbits;
1704 unsigned char *world_leafvisible;
1705 unsigned char *world_surfacevisible;
1706 // if true, the view is currently in a leaf without pvs data
1707 qboolean world_novis;
1709 r_refdef_viewcache_t;
1711 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1712 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1713 typedef struct r_refdef_scene_s {
1714 // whether to call S_ExtraUpdate during render to reduce sound chop
1715 qboolean extraupdate;
1717 // (client gameworld) time for rendering time based effects
1721 entity_render_t *worldentity;
1723 // same as worldentity->model
1724 dp_model_t *worldmodel;
1726 // renderable entities (excluding world)
1727 entity_render_t **entities;
1731 // field of temporary entities that is reset each (client) frame
1732 entity_render_t *tempentities;
1733 int numtempentities;
1734 int maxtempentities;
1735 qboolean expandtempentities;
1737 // renderable dynamic lights
1738 rtlight_t *lights[MAX_DLIGHTS];
1739 rtlight_t templights[MAX_DLIGHTS];
1742 // intensities for light styles right now, controls rtlights
1743 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1744 // 8.8bit fixed point intensities for light styles
1745 // controls intensity lightmap layers
1746 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1751 qboolean rtworldshadows;
1753 qboolean rtdlightshadows;
1756 typedef struct r_refdef_s
1758 // these fields define the basic rendering information for the world
1759 // but not the view, which could change multiple times in one rendered
1760 // frame (for example when rendering textures for certain effects)
1762 // these are set for water warping before
1763 // frustum_x/frustum_y are calculated
1764 float frustumscale_x, frustumscale_y;
1766 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1767 r_refdef_view_t view;
1768 r_refdef_viewcache_t viewcache;
1770 // minimum visible distance (pixels closer than this disappear)
1772 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1773 // in 32bpp an infinite-farclip matrix is used instead)
1776 // fullscreen color blend
1779 r_refdef_scene_t scene;
1782 float fogplaneviewdist;
1783 qboolean fogplaneviewabove;
1784 float fogheightfade;
1787 float fograngerecip;
1788 float fogmasktabledistmultiplier;
1789 #define FOGMASKTABLEWIDTH 1024
1790 float fogmasktable[FOGMASKTABLEWIDTH];
1791 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1800 float fog_fadedepth;
1801 qboolean fogenabled;
1802 qboolean oldgl_fogenable;
1804 // new flexible texture height fog (overrides normal fog)
1805 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1806 unsigned char *fog_height_table1d;
1807 unsigned char *fog_height_table2d;
1808 int fog_height_tablesize; // enable
1809 float fog_height_tablescale;
1810 float fog_height_texcoordscale;
1811 char fogheighttexturename[64]; // detects changes to active fog height texture
1813 int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1815 // true during envmap command capture
1818 // brightness of world lightmaps and related lighting
1819 // (often reduced when world rtlights are enabled)
1820 float lightmapintensity;
1821 // whether to draw world lights realtime, dlights realtime, and their shadows
1822 float polygonfactor;
1823 float polygonoffset;
1824 float shadowpolygonfactor;
1825 float shadowpolygonoffset;
1827 // how long R_RenderView took on the previous frame
1828 double lastdrawscreentime;
1830 // rendering stats for r_speeds display
1831 // (these are incremented in many places)
1832 r_refdef_stats_t stats;
1836 extern r_refdef_t r_refdef;
1838 // warpzone prediction hack (CSQC builtin)
1839 void CL_RotateMoves(const matrix4x4_t *m);