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;
221 typedef struct dlight_s
223 // destroy light after this time
226 // the entity that owns this light (can be NULL)
228 struct entity_render_s *ent;
230 // (worldlight: saved to .rtlights file)
232 // worldlight orientation
234 // (worldlight: saved to .rtlights file)
236 // dlight orientation/scaling/location
240 // (worldlight: saved to .rtlights file)
242 // cubemap name to use on this light
243 // (worldlight: saved to .rtlights file)
244 char cubemapname[64];
245 // make light flash while selected
248 // brightness (not really radius anymore)
249 // (worldlight: saved to .rtlights file)
251 // drop intensity this much each second
254 // intensity value which is dropped over time
257 // initial values for intensity to modify
261 // light style which controls intensity of this light
262 // (worldlight: saved to .rtlights file)
265 // (worldlight: saved to .rtlights file)
268 // (worldlight: saved to .rtlights file)
270 // radius scale of corona to render (1.0 means same as light radius)
271 // (worldlight: saved to .rtlights file)
272 vec_t coronasizescale;
273 // ambient intensity to render
274 // (worldlight: saved to .rtlights file)
276 // diffuse intensity to render
277 // (worldlight: saved to .rtlights file)
279 // specular intensity to render
280 // (worldlight: saved to .rtlights file)
283 // (worldlight: saved to .rtlights file)
285 // linked list of world lights
287 struct dlight_s *next;
288 // embedded rtlight struct for renderer
294 #define MAX_FRAMEGROUPBLENDS 4
295 typedef struct framegroupblend_s
297 // animation number and blend factor
298 // (for most models this is the frame number)
301 // time frame began playing (for framegroup animations)
306 // this is derived from processing of the framegroupblend array
307 // note: technically each framegroupblend can produce two of these, but that
308 // never happens in practice because no one blends between more than 2
309 // framegroups at once
310 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
311 typedef struct frameblend_s
318 // LordHavoc: this struct is intended for the renderer but some fields are
319 // used by the client.
321 // The renderer should not rely on any changes to this struct to be persistent
322 // across multiple frames because temp entities are wiped every frame, but it
323 // is acceptable to cache things in this struct that are not critical.
325 // For example the r_cullentities_trace code does such caching.
326 typedef struct entity_render_s
332 // transform matrix for model to world
334 // transform matrix for world to model
335 matrix4x4_t inversematrix;
336 // opacity (alpha) of the model
338 // size the model is shown
340 // transparent sorting offset
341 float transparent_offset;
345 // number of the entity represents, or 0 for non-network entities
347 // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
348 vec3_t colormap_pantscolor;
349 vec3_t colormap_shirtcolor;
350 // light, particles, etc
352 // qw CTF flags and other internal-use-only effect bits
359 // colormod tinting of models
363 // interpolated animation - active framegroups and blend factors
364 framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
366 // time of last model change (for shader animations)
369 // calculated by the renderer (but not persistent)
371 // calculated during R_AddModelEntities
373 // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
374 frameblend_t frameblend[MAX_FRAMEBLENDS];
375 // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
376 skeleton_t *skeleton;
378 // animation cache (pointers allocated using R_FrameData_Alloc)
379 // ONLY valid during R_RenderView! may be NULL (not cached)
380 float *animcache_vertex3f;
381 float *animcache_normal3f;
382 float *animcache_svector3f;
383 float *animcache_tvector3f;
384 // interleaved arrays for rendering and dynamic vertex buffers for them
385 r_meshbuffer_t *animcache_vertex3fbuffer;
386 r_vertexmesh_t *animcache_vertexmesh;
387 r_meshbuffer_t *animcache_vertexmeshbuffer;
389 // current lighting from map (updated ONLY by client code, not renderer)
390 vec3_t modellight_ambient;
391 vec3_t modellight_diffuse; // q3bsp
392 vec3_t modellight_lightdir; // q3bsp
394 // storage of decals on this entity
395 // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
397 decalsystem_t decalsystem;
399 // FIELDS UPDATED BY RENDERER:
400 // last time visible during trace culling
401 double last_trace_visibility;
403 // user wavefunc parameters (from csqc)
404 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
408 typedef struct entity_persistent_s
414 qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
416 // muzzleflash fading
419 // interpolated movement
421 // start time of move
423 // time difference from start to end of move
425 // the move itself, start and end
433 typedef struct entity_s
435 // baseline state (default values)
436 entity_state_t state_baseline;
437 // previous state (interpolating from this)
438 entity_state_t state_previous;
439 // current state (interpolating to this)
440 entity_state_t state_current;
442 // used for regenerating parts of render
443 entity_persistent_t persistent;
445 // the only data the renderer should know about
446 entity_render_t render;
450 typedef struct usercmd_s
454 // intended velocities
459 vec3_t cursor_screen;
462 vec3_t cursor_impact;
463 vec3_t cursor_normal;
464 vec_t cursor_fraction;
465 int cursor_entitynumber;
467 double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
468 double receivetime; // time the move was received at
469 double clienttime; // time to which server state the move corresponds to
470 int msec; // for predicted moves
474 qboolean applied; // if false we're still accumulating a move
475 qboolean predicted; // if true the sequence should be sent as 0
477 // derived properties
484 typedef struct lightstyle_s
487 char map[MAX_STYLESTRING];
490 typedef struct scoreboard_s
492 char name[MAX_SCOREBOARDNAME];
494 int colors; // two 4 bit fields
497 char qw_userinfo[MAX_USERINFO_STRING];
504 char qw_skin[MAX_QPATH];
507 typedef struct cshift_s
510 float percent; // 0-255
511 float alphafade; // (any speed)
514 #define CSHIFT_CONTENTS 0
515 #define CSHIFT_DAMAGE 1
516 #define CSHIFT_BONUS 2
517 #define CSHIFT_POWERUP 3
518 #define CSHIFT_VCSHIFT 4
519 #define NUM_CSHIFTS 5
521 #define NAME_LENGTH 64
525 // client_state_t should hold all pieces of the client state
528 #define SIGNONS 4 // signon messages to receive before connected
530 typedef enum cactive_e
532 ca_uninitialized, // during early startup
533 ca_dedicated, // a dedicated server with no ability to start a client
534 ca_disconnected, // full screen console with no connection
535 ca_connected // valid netcon, talking to a server
539 typedef enum qw_downloadtype_e
549 typedef enum capturevideoformat_e
551 CAPTUREVIDEOFORMAT_AVI_I420,
552 CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
554 capturevideoformat_t;
556 typedef struct capturevideostate_s
558 double startrealtime;
571 int soundsampleframe;
572 unsigned char *screenbuffer;
573 unsigned char *outbuffer;
574 char basename[MAX_QPATH];
577 // precomputed RGB to YUV tables
578 // converts the RGB values to YUV (see cap_avi.c for how to use them)
579 short rgbtoyuvscaletable[3][3][256];
580 unsigned char yuvnormalizetable[3][256];
582 // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
583 // 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
584 unsigned short vidramp[256 * 3];
586 // stuff to be filled in by the video format module
587 capturevideoformat_t format;
588 const char *formatextension;
591 // cls.capturevideo.videofile = FS_OpenRealFile(va("%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
592 void (*endvideo) (void);
593 void (*videoframes) (int num);
594 void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
596 // format specific data
597 void *formatspecific;
601 #define CL_MAX_DOWNLOADACKS 4
603 typedef struct cl_downloadack_s
609 typedef struct cl_soundstats_s
613 int latency_milliseconds;
618 // the client_static_t structure is persistent through an arbitrary number
619 // of server connections
621 typedef struct client_static_s
625 // all client memory allocations go in these pools
626 mempool_t *levelmempool;
627 mempool_t *permanentmempool;
630 // -1 = don't play demos
632 // list of demos in loop
633 char demos[MAX_DEMOS][MAX_DEMONAME];
634 // the actively playing demo (set by CL_PlayDemo_f)
635 char demoname[MAX_QPATH];
637 // demo recording info must be here, because record is started before
638 // entering a map (and clearing client_state_t)
639 qboolean demorecording;
640 fs_offset_t demo_lastcsprogssize;
641 int demo_lastcsprogscrc;
642 qboolean demoplayback;
644 // -1 = use normal cd track
647 // realtime at second frame of timedemo (LordHavoc: changed to double)
649 int td_frames; // total frames parsed
650 double td_onesecondnexttime;
651 double td_onesecondframes;
652 double td_onesecondrealtime;
653 double td_onesecondminfps;
654 double td_onesecondmaxfps;
655 double td_onesecondavgfps;
656 int td_onesecondavgcount;
657 // LordHavoc: pausedemo
660 // sound mixer statistics for showsound display
661 cl_soundstats_t soundstats;
663 qboolean connect_trying;
664 int connect_remainingtries;
665 double connect_nextsendtime;
666 lhnetsocket_t *connect_mysocket;
667 lhnetaddress_t connect_address;
668 // protocol version of the server we're connected to
669 // (kept outside client_state_t because it's used between levels)
670 protocolversion_t protocol;
674 lhnetaddress_t rcon_addresses[MAX_RCONS];
675 char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
676 double rcon_timeout[MAX_RCONS];
679 // connection information
682 // network connection
685 // download information
686 // (note: qw_download variables are also used)
687 cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
689 // input sequence numbers are not reset on level change, only connect
691 int servermovesequence;
693 // quakeworld stuff below
695 // value of "qport" cvar at time of connection
697 // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
698 int qw_incoming_sequence;
699 int qw_outgoing_sequence;
701 // current file download buffer (only saved when file is completed)
702 char qw_downloadname[MAX_QPATH];
703 unsigned char *qw_downloadmemory;
704 int qw_downloadmemorycursize;
705 int qw_downloadmemorymaxsize;
706 int qw_downloadnumber;
707 int qw_downloadpercent;
708 qw_downloadtype_t qw_downloadtype;
709 // transfer rate display
710 double qw_downloadspeedtime;
711 int qw_downloadspeedcount;
712 int qw_downloadspeedrate;
713 qboolean qw_download_deflate;
715 // current file upload buffer (for uploading screenshots to server)
716 unsigned char *qw_uploaddata;
721 // this normally contains the following keys in quakeworld:
722 // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
723 char userinfo[MAX_USERINFO_STRING];
725 // extra user info for the "connect" command
726 char connect_userinfo[MAX_USERINFO_STRING];
728 // video capture stuff
729 capturevideostate_t capturevideo;
734 // ProQuake compatibility stuff
735 int proquake_servermod; // 0 = not proquake, 1 = proquake
736 int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
737 int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
741 extern client_static_t cls;
743 typedef struct client_movementqueue_s
754 client_movementqueue_t;
760 qboolean drawenginesbar;
761 qboolean drawcrosshair;
766 PARTICLE_BILLBOARD = 0,
768 PARTICLE_ORIENTED_DOUBLESIDED = 2,
771 PARTICLE_INVALID = -1
784 typedef struct particletype_s
787 porientation_t orientation;
794 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
798 typedef struct decal_s
800 // fields used by rendering: (44 bytes)
801 unsigned short typeindex;
802 unsigned short texnum;
807 float alpha; // 0-255
808 unsigned char color[3];
809 unsigned char unused1;
810 int clusterindex; // cheap culling by pvs
812 // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
813 float time2; // used for decal fade
814 unsigned int owner; // decal stuck to this entity
815 dp_model_t *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
816 vec3_t relativeorigin; // decal at this location in entity's coordinate space
817 vec3_t relativenormal; // decal oriented this way relative to entity's coordinate space
821 typedef struct particle_s
823 // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
825 // fields used by rendering: (48 bytes)
826 vec3_t sortorigin; // sort by this group origin, not particle org
828 vec3_t vel; // velocity of particle, or orientation of decal, or end point of beam
830 float alpha; // 0-255
831 float stretch; // only for sparks
833 // fields not used by rendering: (44 bytes)
836 float sizeincrease; // rate of size change per second
837 float alphafade; // how much alpha reduces per second
838 float time2; // used for snow fluttering and decal fade
839 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)
840 float gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
841 float airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
842 float liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
843 // float delayedcollisions; // time that p->bounce becomes active
844 float delayedspawn; // time that particle appears and begins moving
845 float die; // time when this particle should be removed, regardless of alpha
847 // short variables grouped to save memory (4 bytes)
848 short angle; // base rotation of particle
849 short spin; // geometry rotation speed around the particle center normal
851 // byte variables grouped to save memory (12 bytes)
852 unsigned char color[3];
853 unsigned char qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
854 unsigned char typeindex;
855 unsigned char blendmode;
856 unsigned char orientation;
857 unsigned char texnum;
858 unsigned char staincolor[3];
859 signed char staintexnum;
863 typedef enum cl_parsingtextmode_e
865 CL_PARSETEXTMODE_NONE,
866 CL_PARSETEXTMODE_PING,
867 CL_PARSETEXTMODE_STATUS,
868 CL_PARSETEXTMODE_STATUS_PLAYERID,
869 CL_PARSETEXTMODE_STATUS_PLAYERIP
871 cl_parsingtextmode_t;
873 typedef struct cl_locnode_s
875 struct cl_locnode_s *next;
881 typedef struct showlmp_s
892 // the client_state_t structure is wiped completely at every
895 typedef struct client_state_s
897 // true if playing in a local game and no one else is connected
900 // send a clc_nop periodically until connected
903 // current input being accumulated by mouse/joystick/etc input
905 // latest moves sent to the server that have not been confirmed yet
906 usercmd_t movecmd[CL_MAX_USERCMDS];
908 // information for local display
910 int stats[MAX_CL_STATS];
911 float *statsf; // points to stats[] array
912 // last known inventory bit flags, for blinking
914 // cl.time of acquiring item, for blinking
915 float item_gettime[32];
916 // last known STAT_ACTIVEWEAPON
918 // cl.time of changing STAT_ACTIVEWEAPON
920 // use pain anim frame if cl.time < this
922 // for stair smoothing
924 double stairsmoothtime;
926 // color shifts for damage, powerups
927 cshift_t cshifts[NUM_CSHIFTS];
929 cshift_t prev_cshifts[NUM_CSHIFTS];
931 // the client maintains its own idea of view angles, which are
932 // sent to the server each frame. The server sets punchangle when
933 // the view is temporarily offset, and an angle reset commands at the start
934 // of each level and after teleporting.
936 // mviewangles is read from demo
937 // viewangles is either client controlled or lerped from mviewangles
938 vec3_t mviewangles[2], viewangles;
939 // update by server, used by qc to do weapon recoil
940 vec3_t mpunchangle[2], punchangle;
941 // update by server, can be used by mods to kick view around
942 vec3_t mpunchvector[2], punchvector;
943 // update by server, used for lean+bob (0 is newest)
944 vec3_t mvelocity[2], velocity;
945 // update by server, can be used by mods for zooming
946 vec_t mviewzoom[2], viewzoom;
947 // if true interpolation the mviewangles and other interpolation of the
948 // player is disabled until the next network packet
949 // this is used primarily by teleporters, and when spectating players
950 // special checking of the old fixangle[1] is used to differentiate
951 // between teleporting and spectating
952 qboolean fixangle[2];
954 // client movement simulation
955 // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
956 // set by CL_ClientMovement_Replay functions
957 qboolean movement_predicted;
958 // if true the CL_ClientMovement_Replay function will update origin, etc
959 qboolean movement_replay;
960 // simulated data (this is valid even if cl.movement is false)
961 vec3_t movement_origin;
962 vec3_t movement_velocity;
963 // whether the replay should allow a jump at the first sequence
964 qboolean movement_replay_canjump;
966 // previous gun angles (for leaning effects)
967 vec3_t gunangles_prev;
968 vec3_t gunangles_highpass;
969 vec3_t gunangles_adjustment_lowpass;
970 vec3_t gunangles_adjustment_highpass;
971 // previous gun angles (for leaning effects)
973 vec3_t gunorg_highpass;
974 vec3_t gunorg_adjustment_lowpass;
975 vec3_t gunorg_adjustment_highpass;
977 // pitch drifting vars
984 //[515]: added for csqc purposes
985 float sensitivityscale;
986 csqc_vidvars_t csqc_vidvars; //[515]: these parms must be set to true by default
987 qboolean csqc_wantsmousemove;
988 qboolean csqc_paused; // vortex: int because could be flags
989 struct model_s *csqc_model_precache[MAX_MODELS];
991 // local amount for smoothing stepups
1000 qboolean oldonground;
1001 double lastongroundtime;
1002 double hitgroundtime;
1004 float bobfall_speed;
1005 float bobfall_swing;
1007 // don't change view angle, full screen, etc
1009 // latched at intermission start
1010 double completed_time;
1012 // the timestamp of the last two messages
1015 // clients view of time, time should be between mtime[0] and mtime[1] to
1016 // generate a lerp point for other data, oldtime is the previous frame's
1017 // value of time, frametime is the difference between time and oldtime
1018 // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1019 // is only forcefully limited when a packet is received
1020 double time, oldtime;
1021 // how long it has been since the previous client frame in real time
1022 // (not game time, for that use cl.time - cl.oldtime)
1023 double realframetime;
1025 // fade var for fading while dead
1028 // motionblur alpha level variable
1029 float motionbluralpha;
1031 // copy of realtime from last recieved message, for net trouble icon
1032 float last_received_message;
1034 // information that is static for the entire time connected to a server
1035 struct model_s *model_precache[MAX_MODELS];
1036 struct sfx_s *sound_precache[MAX_SOUNDS];
1038 // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1039 char model_name[MAX_MODELS][MAX_QPATH];
1040 char sound_name[MAX_SOUNDS][MAX_QPATH];
1042 // for display on solo scoreboard
1043 char worldmessage[40]; // map title (not related to filename)
1044 // variants of map name
1045 char worldbasename[MAX_QPATH]; // %s
1046 char worldname[MAX_QPATH]; // maps/%s.bsp
1047 char worldnamenoextension[MAX_QPATH]; // maps/%s
1048 // cl_entitites[cl.viewentity] = player
1050 // the real player entity (normally same as viewentity,
1051 // different than viewentity if mod uses chasecam or other tricks)
1052 int realplayerentity;
1053 // this is updated to match cl.viewentity whenever it is in the clients
1054 // range, basically this is used in preference to cl.realplayerentity for
1055 // most purposes because when spectating another player it should show
1056 // their information rather than yours
1058 // max players that can be in this game
1060 // type of game (deathmatch, coop, singleplayer)
1063 // models and sounds used by engine code (particularly cl_parse.c)
1064 dp_model_t *model_bolt;
1065 dp_model_t *model_bolt2;
1066 dp_model_t *model_bolt3;
1067 dp_model_t *model_beam;
1069 sfx_t *sfx_knighthit;
1075 // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1076 qboolean foundtalk2wav;
1078 // refresh related state
1080 // cl_entitites[0].model
1081 struct model_s *worldmodel;
1087 int cdtrack, looptrack;
1092 scoreboard_t *scores;
1094 // keep track of svc_print parsing state (analyzes ping reports and status reports)
1095 cl_parsingtextmode_t parsingtextmode;
1096 int parsingtextplayerindex;
1097 // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1098 // (which could eat the wrong ping report if the player issues one
1099 // manually, but they would still see a ping report, just a later one
1100 // caused by the scoreboard code rather than the one they intentionally
1102 int parsingtextexpectingpingforscores;
1104 // entity database stuff
1105 // latest received entity frame numbers
1106 #define LATESTFRAMENUMS 32
1107 int latestframenumsposition;
1108 int latestframenums[LATESTFRAMENUMS];
1109 int latestsendnums[LATESTFRAMENUMS];
1110 entityframe_database_t *entitydatabase;
1111 entityframe4_database_t *entitydatabase4;
1112 entityframeqw_database_t *entitydatabaseqw;
1114 // keep track of quake entities because they need to be killed if they get stale
1115 int lastquakeentity;
1116 unsigned char isquakeentity[MAX_EDICTS];
1118 // bounding boxes for clientside movement
1119 vec3_t playerstandmins;
1120 vec3_t playerstandmaxs;
1121 vec3_t playercrouchmins;
1122 vec3_t playercrouchmaxs;
1124 // old decals are killed based on this
1128 int max_csqcrenderentities;
1129 int max_static_entities;
1134 int max_brushmodel_entities;
1140 entity_render_t *csqcrenderentities;
1141 unsigned char *entities_active;
1142 entity_t *static_entities;
1143 cl_effect_t *effects;
1146 lightstyle_t *lightstyle;
1147 int *brushmodel_entities;
1148 particle_t *particles;
1150 showlmp_t *showlmps;
1153 int num_static_entities;
1154 int num_brushmodel_entities;
1162 double particles_updatetime;
1163 double decals_updatetime;
1167 // cl_serverextension_download feature
1168 int loadmodel_current;
1169 int downloadmodel_current;
1170 int loadmodel_total;
1171 int loadsound_current;
1172 int downloadsound_current;
1173 int loadsound_total;
1174 qboolean downloadcsqc;
1177 qboolean loadfinished;
1181 // local copy of the server infostring
1182 char qw_serverinfo[MAX_SERVERINFO_STRING];
1184 // time of last qw "pings" command sent to server while showing scores
1185 double last_ping_request;
1187 // used during connect
1190 // updated from serverinfo
1193 // unused: indicates whether the player is spectating
1194 // use cl.scores[cl.playerentity-1].qw_spectator instead
1195 //qboolean qw_spectator;
1197 // last time an input packet was sent
1198 double lastpackettime;
1200 // movement parameters for client prediction
1201 unsigned int moveflags;
1202 float movevars_wallfriction;
1203 float movevars_waterfriction;
1204 float movevars_friction;
1205 float movevars_timescale;
1206 float movevars_gravity;
1207 float movevars_stopspeed;
1208 float movevars_maxspeed;
1209 float movevars_spectatormaxspeed;
1210 float movevars_accelerate;
1211 float movevars_airaccelerate;
1212 float movevars_wateraccelerate;
1213 float movevars_entgravity;
1214 float movevars_jumpvelocity;
1215 float movevars_edgefriction;
1216 float movevars_maxairspeed;
1217 float movevars_stepheight;
1218 float movevars_airaccel_qw;
1219 float movevars_airaccel_sideways_friction;
1220 float movevars_airstopaccelerate;
1221 float movevars_airstrafeaccelerate;
1222 float movevars_maxairstrafespeed;
1223 float movevars_airstrafeaccel_qw;
1224 float movevars_aircontrol;
1225 float movevars_aircontrol_power;
1226 float movevars_aircontrol_penalty;
1227 float movevars_warsowbunny_airforwardaccel;
1228 float movevars_warsowbunny_accel;
1229 float movevars_warsowbunny_topspeed;
1230 float movevars_warsowbunny_turnaccel;
1231 float movevars_warsowbunny_backtosideratio;
1232 float movevars_ticrate;
1233 float movevars_airspeedlimit_nonqw;
1235 // models used by qw protocol
1236 int qw_modelindex_spike;
1237 int qw_modelindex_player;
1238 int qw_modelindex_flag;
1239 int qw_modelindex_s_explod;
1241 vec3_t qw_intermission_origin;
1242 vec3_t qw_intermission_angles;
1244 // 255 is the most nails the QW protocol could send
1246 vec_t qw_nails[255][6];
1248 float qw_weaponkick;
1250 int qw_validsequence;
1252 int qw_deltasequence[QW_UPDATE_BACKUP];
1255 // server entity number corresponding to a clientside entity
1256 unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1257 qboolean csqc_loaded;
1260 qboolean csqc_usecsqclistener;
1261 matrix4x4_t csqc_listenermatrix;
1262 char csqc_printtextbuf[MAX_INPUTLINE];
1264 // collision culling data
1267 // loc file stuff (points and boxes describing locations in the level)
1268 cl_locnode_t *locnodes;
1269 // this is updated to cl.movement_origin whenever health is < 1
1270 // used by %d print in say/say_team messages if cl_locs_enable is on
1271 vec3_t lastdeathorigin;
1273 // processing buffer used by R_BuildLightMap, reallocated as needed,
1274 // freed on each level change
1275 size_t buildlightmapmemorysize;
1276 unsigned char *buildlightmapmemory;
1283 extern cvar_t cl_name;
1284 extern cvar_t cl_color;
1285 extern cvar_t cl_rate;
1286 extern cvar_t cl_pmodel;
1287 extern cvar_t cl_playermodel;
1288 extern cvar_t cl_playerskin;
1290 extern cvar_t rcon_password;
1291 extern cvar_t rcon_address;
1293 extern cvar_t cl_upspeed;
1294 extern cvar_t cl_forwardspeed;
1295 extern cvar_t cl_backspeed;
1296 extern cvar_t cl_sidespeed;
1298 extern cvar_t cl_movespeedkey;
1300 extern cvar_t cl_yawspeed;
1301 extern cvar_t cl_pitchspeed;
1303 extern cvar_t cl_anglespeedkey;
1305 extern cvar_t cl_autofire;
1307 extern cvar_t cl_shownet;
1308 extern cvar_t cl_nolerp;
1309 extern cvar_t cl_nettimesyncfactor;
1310 extern cvar_t cl_nettimesyncboundmode;
1311 extern cvar_t cl_nettimesyncboundtolerance;
1313 extern cvar_t cl_pitchdriftspeed;
1314 extern cvar_t lookspring;
1315 extern cvar_t lookstrafe;
1316 extern cvar_t sensitivity;
1318 extern cvar_t freelook;
1320 extern cvar_t m_pitch;
1321 extern cvar_t m_yaw;
1322 extern cvar_t m_forward;
1323 extern cvar_t m_side;
1325 extern cvar_t cl_autodemo;
1326 extern cvar_t cl_autodemo_nameformat;
1327 extern cvar_t cl_autodemo_delete;
1329 extern cvar_t r_draweffects;
1331 extern cvar_t cl_explosions_alpha_start;
1332 extern cvar_t cl_explosions_alpha_end;
1333 extern cvar_t cl_explosions_size_start;
1334 extern cvar_t cl_explosions_size_end;
1335 extern cvar_t cl_explosions_lifetime;
1336 extern cvar_t cl_stainmaps;
1337 extern cvar_t cl_stainmaps_clearonload;
1339 extern cvar_t cl_prydoncursor;
1340 extern cvar_t cl_prydoncursor_notrace;
1342 extern cvar_t cl_locs_enable;
1344 extern client_state_t cl;
1346 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);
1348 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1349 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1351 //=============================================================================
1357 void CL_Shutdown (void);
1358 void CL_Init (void);
1360 void CL_EstablishConnection(const char *host, int firstarg);
1362 void CL_Disconnect (void);
1363 void CL_Disconnect_f (void);
1365 void CL_UpdateRenderEntity(entity_render_t *ent);
1366 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1367 void CL_UpdateViewEntities(void);
1372 typedef struct kbutton_s
1374 int down[2]; // key nums holding it down
1375 int state; // low bit is down state
1379 extern kbutton_t in_mlook, in_klook;
1380 extern kbutton_t in_strafe;
1381 extern kbutton_t in_speed;
1383 void CL_InitInput (void);
1384 void CL_SendMove (void);
1386 void CL_ValidateState(entity_state_t *s);
1387 void CL_MoveLerpEntityStates(entity_t *ent);
1388 void CL_LerpUpdate(entity_t *e);
1389 void CL_ParseTEnt (void);
1390 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1391 void CL_RelinkBeams (void);
1392 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1393 void CL_ClientMovement_Replay(void);
1395 void CL_ClearTempEntities (void);
1396 entity_render_t *CL_NewTempEntity (double shadertime);
1398 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1400 void CL_ClearState (void);
1401 void CL_ExpandEntities(int num);
1402 void CL_ExpandCSQCRenderEntities(int num);
1403 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1406 void CL_UpdateWorld (void);
1407 void CL_WriteToServer (void);
1408 void CL_Input (void);
1409 extern int cl_ignoremousemoves;
1412 float CL_KeyState (kbutton_t *key);
1413 const char *Key_KeynumToString (int keynum);
1414 int Key_StringToKeynum (const char *str);
1419 void CL_StopPlayback(void);
1420 void CL_ReadDemoMessage(void);
1421 void CL_WriteDemoMessage(sizebuf_t *mesage);
1423 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1424 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1426 void CL_NextDemo(void);
1427 void CL_Stop_f(void);
1428 void CL_Record_f(void);
1429 void CL_PlayDemo_f(void);
1430 void CL_TimeDemo_f(void);
1435 void CL_Parse_Init(void);
1436 void CL_Parse_Shutdown(void);
1437 void CL_ParseServerMessage(void);
1438 void CL_Parse_DumpPacket(void);
1439 void CL_Parse_ErrorCleanUp(void);
1440 void QW_CL_StartUpload(unsigned char *data, int size);
1441 extern cvar_t qport;
1442 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1447 void V_StartPitchDrift (void);
1448 void V_StopPitchDrift (void);
1451 float V_CalcRoll (vec3_t angles, vec3_t velocity);
1452 void V_UpdateBlends (void);
1453 void V_ParseDamage (void);
1459 extern cvar_t cl_particles;
1460 extern cvar_t cl_particles_quality;
1461 extern cvar_t cl_particles_size;
1462 extern cvar_t cl_particles_quake;
1463 extern cvar_t cl_particles_blood;
1464 extern cvar_t cl_particles_blood_alpha;
1465 extern cvar_t cl_particles_blood_decal_alpha;
1466 extern cvar_t cl_particles_blood_decal_scalemin;
1467 extern cvar_t cl_particles_blood_decal_scalemax;
1468 extern cvar_t cl_particles_blood_bloodhack;
1469 extern cvar_t cl_particles_bulletimpacts;
1470 extern cvar_t cl_particles_explosions_sparks;
1471 extern cvar_t cl_particles_explosions_shell;
1472 extern cvar_t cl_particles_rain;
1473 extern cvar_t cl_particles_snow;
1474 extern cvar_t cl_particles_smoke;
1475 extern cvar_t cl_particles_smoke_alpha;
1476 extern cvar_t cl_particles_smoke_alphafade;
1477 extern cvar_t cl_particles_sparks;
1478 extern cvar_t cl_particles_bubbles;
1479 extern cvar_t cl_decals;
1480 extern cvar_t cl_decals_time;
1481 extern cvar_t cl_decals_fadetime;
1483 void CL_Particles_Clear(void);
1484 void CL_Particles_Init(void);
1485 void CL_Particles_Shutdown(void);
1486 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]);
1488 typedef enum effectnameindex_s
1492 EFFECT_TE_GUNSHOTQUAD,
1494 EFFECT_TE_SPIKEQUAD,
1495 EFFECT_TE_SUPERSPIKE,
1496 EFFECT_TE_SUPERSPIKEQUAD,
1498 EFFECT_TE_KNIGHTSPIKE,
1499 EFFECT_TE_EXPLOSION,
1500 EFFECT_TE_EXPLOSIONQUAD,
1501 EFFECT_TE_TAREXPLOSION,
1503 EFFECT_TE_LAVASPLASH,
1504 EFFECT_TE_SMALLFLASH,
1509 EFFECT_TE_PLASMABURN,
1511 EFFECT_TE_TEI_SMOKE,
1512 EFFECT_TE_TEI_BIGEXPLOSION,
1513 EFFECT_TE_TEI_PLASMAHIT,
1519 EFFECT_TR_SLIGHTBLOOD,
1520 EFFECT_TR_KNIGHTSPIKE,
1521 EFFECT_TR_VORESPIKE,
1522 EFFECT_TR_NEHAHRASMOKE,
1523 EFFECT_TR_NEXUIZPLASMA,
1524 EFFECT_TR_GLOWTRAIL,
1525 EFFECT_SVC_PARTICLE,
1530 int CL_ParticleEffectIndexForName(const char *name);
1531 const char *CL_ParticleEffectNameForIndex(int i);
1532 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);
1533 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]);
1534 void CL_ParseParticleEffect (void);
1535 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);
1536 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1537 void CL_EntityParticles (const entity_t *ent);
1538 void CL_ParticleExplosion (const vec3_t org);
1539 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1540 void R_NewExplosion(const vec3_t org);
1542 void Debug_PolygonBegin(const char *picname, int flags);
1543 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1544 void Debug_PolygonEnd(void);
1546 #include "cl_screen.h"
1548 extern qboolean sb_showscores;
1550 float RSurf_FogVertex(const vec3_t p);
1551 float RSurf_FogPoint(const vec3_t p);
1553 typedef struct r_refdef_stats_s
1557 int entities_surfaces;
1558 int entities_triangles;
1562 int world_triangles;
1563 int lightmapupdates;
1564 int lightmapupdatepixels;
1573 int lights_scissored;
1574 int lights_lighttriangles;
1575 int lights_shadowtriangles;
1576 int lights_dynamicshadowtriangles;
1577 int bouncegrid_lights;
1578 int bouncegrid_particles;
1579 int bouncegrid_traces;
1580 int bouncegrid_hits;
1581 int bouncegrid_splats;
1582 int bouncegrid_bounces;
1583 int collisioncache_animated;
1584 int collisioncache_cached;
1585 int collisioncache_traced;
1587 int bloom_copypixels;
1588 int bloom_drawpixels;
1589 int indexbufferuploadcount;
1590 int indexbufferuploadsize;
1591 int vertexbufferuploadcount;
1592 int vertexbufferuploadsize;
1593 int framedatacurrent;
1598 typedef enum r_viewport_type_e
1600 R_VIEWPORTTYPE_ORTHO,
1601 R_VIEWPORTTYPE_PERSPECTIVE,
1602 R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1603 R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1604 R_VIEWPORTTYPE_TOTAL
1608 typedef struct r_viewport_s
1610 matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1611 matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1612 matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1619 r_viewport_type_t type;
1620 float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1624 typedef struct r_refdef_view_s
1626 // view information (changes multiple times per frame)
1627 // if any of these variables change then r_refdef.viewcache must be regenerated
1628 // by calling R_View_Update
1629 // (which also updates viewport, scissor, colormask)
1631 // it is safe and expected to copy this into a structure on the stack and
1632 // call the renderer recursively, then restore from the stack afterward
1633 // (as long as R_View_Update is called)
1635 // eye position information
1636 matrix4x4_t matrix, inverse_matrix;
1642 int numfrustumplanes;
1643 mplane_t frustum[6];
1644 qboolean useclipplane;
1645 qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1647 float frustum_x, frustum_y;
1648 vec3_t frustumcorner[4];
1649 // if turned off it renders an ortho view
1651 float ortho_x, ortho_y;
1653 // screen area to render in
1660 r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1662 // which color components to allow (for anaglyph glasses)
1665 // global RGB color multiplier for rendering, this is required by HDR
1668 // whether to call R_ClearScreen before rendering stuff
1670 // if true, don't clear or do any post process effects (bloom, etc)
1673 // whether to draw r_showtris and such, this is only true for the main
1674 // view render, all secondary renders (HDR, mirrors, portals, cameras,
1675 // distortion effects, etc) omit such debugging information
1678 // these define which values to use in GL_CullFace calls to request frontface or backface culling
1682 // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1687 typedef struct r_refdef_viewcache_s
1689 // updated by gl_main_newmap()
1691 int world_numclusters;
1692 int world_numclusterbytes;
1694 int world_numsurfaces;
1696 // these properties are generated by R_View_Update()
1698 // which entities are currently visible for this viewpoint
1699 // (the used range is 0...r_refdef.scene.numentities)
1700 unsigned char *entityvisible;
1702 // flag arrays used for visibility checking on world model
1703 // (all other entities have no per-surface/per-leaf visibility checks)
1704 unsigned char *world_pvsbits;
1705 unsigned char *world_leafvisible;
1706 unsigned char *world_surfacevisible;
1707 // if true, the view is currently in a leaf without pvs data
1708 qboolean world_novis;
1710 r_refdef_viewcache_t;
1712 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1713 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1714 typedef struct r_refdef_scene_s {
1715 // whether to call S_ExtraUpdate during render to reduce sound chop
1716 qboolean extraupdate;
1718 // (client gameworld) time for rendering time based effects
1722 entity_render_t *worldentity;
1724 // same as worldentity->model
1725 dp_model_t *worldmodel;
1727 // renderable entities (excluding world)
1728 entity_render_t **entities;
1732 // field of temporary entities that is reset each (client) frame
1733 entity_render_t *tempentities;
1734 int numtempentities;
1735 int maxtempentities;
1736 qboolean expandtempentities;
1738 // renderable dynamic lights
1739 rtlight_t *lights[MAX_DLIGHTS];
1740 rtlight_t templights[MAX_DLIGHTS];
1743 // intensities for light styles right now, controls rtlights
1744 float rtlightstylevalue[MAX_LIGHTSTYLES]; // float fraction of base light value
1745 // 8.8bit fixed point intensities for light styles
1746 // controls intensity lightmap layers
1747 unsigned short lightstylevalue[MAX_LIGHTSTYLES]; // 8.8 fraction of base light value
1752 qboolean rtworldshadows;
1754 qboolean rtdlightshadows;
1757 typedef struct r_refdef_s
1759 // these fields define the basic rendering information for the world
1760 // but not the view, which could change multiple times in one rendered
1761 // frame (for example when rendering textures for certain effects)
1763 // these are set for water warping before
1764 // frustum_x/frustum_y are calculated
1765 float frustumscale_x, frustumscale_y;
1767 // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1768 r_refdef_view_t view;
1769 r_refdef_viewcache_t viewcache;
1771 // minimum visible distance (pixels closer than this disappear)
1773 // maximum visible distance (pixels further than this disappear in 16bpp modes,
1774 // in 32bpp an infinite-farclip matrix is used instead)
1777 // fullscreen color blend
1780 r_refdef_scene_t scene;
1783 float fogplaneviewdist;
1784 qboolean fogplaneviewabove;
1785 float fogheightfade;
1788 float fograngerecip;
1789 float fogmasktabledistmultiplier;
1790 #define FOGMASKTABLEWIDTH 1024
1791 float fogmasktable[FOGMASKTABLEWIDTH];
1792 float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1801 float fog_fadedepth;
1802 qboolean fogenabled;
1803 qboolean oldgl_fogenable;
1805 // new flexible texture height fog (overrides normal fog)
1806 char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1807 unsigned char *fog_height_table1d;
1808 unsigned char *fog_height_table2d;
1809 int fog_height_tablesize; // enable
1810 float fog_height_tablescale;
1811 float fog_height_texcoordscale;
1812 char fogheighttexturename[64]; // detects changes to active fog height texture
1814 int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1816 // true during envmap command capture
1819 // brightness of world lightmaps and related lighting
1820 // (often reduced when world rtlights are enabled)
1821 float lightmapintensity;
1822 // whether to draw world lights realtime, dlights realtime, and their shadows
1823 float polygonfactor;
1824 float polygonoffset;
1825 float shadowpolygonfactor;
1826 float shadowpolygonoffset;
1828 // how long R_RenderView took on the previous frame
1829 double lastdrawscreentime;
1831 // rendering stats for r_speeds display
1832 // (these are incremented in many places)
1833 r_refdef_stats_t stats;
1837 extern r_refdef_t r_refdef;
1839 // warpzone prediction hack (CSQC builtin)
1840 void CL_RotateMoves(const matrix4x4_t *m);