implemented use of GL_ARB_uniform_buffer_object for r_glsl_skeletal
[xonotic/darkplaces.git] / client.h
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
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.
8
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.
12
13 See the GNU General Public License for more details.
14
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.
18
19 */
20 // client.h
21
22 #ifndef CLIENT_H
23 #define CLIENT_H
24
25 #include "matrixlib.h"
26 #include "snd_main.h"
27
28 // NOTE: r_stat_name[] must match this indexing
29 typedef enum r_stat_e
30 {
31         r_stat_timedelta,
32         r_stat_quality,
33         r_stat_renders,
34         r_stat_entities,
35         r_stat_entities_surfaces,
36         r_stat_entities_triangles,
37         r_stat_world_leafs,
38         r_stat_world_portals,
39         r_stat_world_surfaces,
40         r_stat_world_triangles,
41         r_stat_lightmapupdates,
42         r_stat_lightmapupdatepixels,
43         r_stat_particles,
44         r_stat_drawndecals,
45         r_stat_totaldecals,
46         r_stat_draws,
47         r_stat_draws_vertices,
48         r_stat_draws_elements,
49         r_stat_lights,
50         r_stat_lights_clears,
51         r_stat_lights_scissored,
52         r_stat_lights_lighttriangles,
53         r_stat_lights_shadowtriangles,
54         r_stat_lights_dynamicshadowtriangles,
55         r_stat_bouncegrid_lights,
56         r_stat_bouncegrid_particles,
57         r_stat_bouncegrid_traces,
58         r_stat_bouncegrid_hits,
59         r_stat_bouncegrid_splats,
60         r_stat_bouncegrid_bounces,
61         r_stat_photoncache_animated,
62         r_stat_photoncache_cached,
63         r_stat_photoncache_traced,
64         r_stat_bloom,
65         r_stat_bloom_copypixels,
66         r_stat_bloom_drawpixels,
67         r_stat_indexbufferuploadcount,
68         r_stat_indexbufferuploadsize,
69         r_stat_vertexbufferuploadcount,
70         r_stat_vertexbufferuploadsize,
71         r_stat_framedatacurrent,
72         r_stat_framedatasize,
73         r_stat_bufferdatacurrent_vertex, // R_BUFFERDATA_ types are added to this index
74         r_stat_bufferdatacurrent_index16,
75         r_stat_bufferdatacurrent_index32,
76         r_stat_bufferdatacurrent_uniform,
77         r_stat_bufferdatasize_vertex, // R_BUFFERDATA_ types are added to this index
78         r_stat_bufferdatasize_index16,
79         r_stat_bufferdatasize_index32,
80         r_stat_bufferdatasize_uniform,
81         r_stat_animcache_vertexmesh_count,
82         r_stat_animcache_vertexmesh_vertices,
83         r_stat_animcache_vertexmesh_maxvertices,
84         r_stat_animcache_skeletal_count,
85         r_stat_animcache_skeletal_bones,
86         r_stat_animcache_skeletal_maxbones,
87         r_stat_animcache_shade_count,
88         r_stat_animcache_shade_vertices,
89         r_stat_animcache_shade_maxvertices,
90         r_stat_animcache_shape_count,
91         r_stat_animcache_shape_vertices,
92         r_stat_animcache_shape_maxvertices,
93         r_stat_batch_batches,
94         r_stat_batch_withgaps,
95         r_stat_batch_surfaces,
96         r_stat_batch_vertices,
97         r_stat_batch_triangles,
98         r_stat_batch_fast_batches,
99         r_stat_batch_fast_surfaces,
100         r_stat_batch_fast_vertices,
101         r_stat_batch_fast_triangles,
102         r_stat_batch_copytriangles_batches,
103         r_stat_batch_copytriangles_surfaces,
104         r_stat_batch_copytriangles_vertices,
105         r_stat_batch_copytriangles_triangles,
106         r_stat_batch_dynamic_batches,
107         r_stat_batch_dynamic_surfaces,
108         r_stat_batch_dynamic_vertices,
109         r_stat_batch_dynamic_triangles,
110         r_stat_batch_dynamicskeletal_batches,
111         r_stat_batch_dynamicskeletal_surfaces,
112         r_stat_batch_dynamicskeletal_vertices,
113         r_stat_batch_dynamicskeletal_triangles,
114         r_stat_batch_dynamic_batches_because_cvar,
115         r_stat_batch_dynamic_surfaces_because_cvar,
116         r_stat_batch_dynamic_vertices_because_cvar,
117         r_stat_batch_dynamic_triangles_because_cvar,
118         r_stat_batch_dynamic_batches_because_lightmapvertex,
119         r_stat_batch_dynamic_surfaces_because_lightmapvertex,
120         r_stat_batch_dynamic_vertices_because_lightmapvertex,
121         r_stat_batch_dynamic_triangles_because_lightmapvertex,
122         r_stat_batch_dynamic_batches_because_deformvertexes_autosprite,
123         r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite,
124         r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite,
125         r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite,
126         r_stat_batch_dynamic_batches_because_deformvertexes_autosprite2,
127         r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite2,
128         r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite2,
129         r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite2,
130         r_stat_batch_dynamic_batches_because_deformvertexes_normal,
131         r_stat_batch_dynamic_surfaces_because_deformvertexes_normal,
132         r_stat_batch_dynamic_vertices_because_deformvertexes_normal,
133         r_stat_batch_dynamic_triangles_because_deformvertexes_normal,
134         r_stat_batch_dynamic_batches_because_deformvertexes_wave,
135         r_stat_batch_dynamic_surfaces_because_deformvertexes_wave,
136         r_stat_batch_dynamic_vertices_because_deformvertexes_wave,
137         r_stat_batch_dynamic_triangles_because_deformvertexes_wave,
138         r_stat_batch_dynamic_batches_because_deformvertexes_bulge,
139         r_stat_batch_dynamic_surfaces_because_deformvertexes_bulge,
140         r_stat_batch_dynamic_vertices_because_deformvertexes_bulge,
141         r_stat_batch_dynamic_triangles_because_deformvertexes_bulge,
142         r_stat_batch_dynamic_batches_because_deformvertexes_move,
143         r_stat_batch_dynamic_surfaces_because_deformvertexes_move,
144         r_stat_batch_dynamic_vertices_because_deformvertexes_move,
145         r_stat_batch_dynamic_triangles_because_deformvertexes_move,
146         r_stat_batch_dynamic_batches_because_tcgen_lightmap,
147         r_stat_batch_dynamic_surfaces_because_tcgen_lightmap,
148         r_stat_batch_dynamic_vertices_because_tcgen_lightmap,
149         r_stat_batch_dynamic_triangles_because_tcgen_lightmap,
150         r_stat_batch_dynamic_batches_because_tcgen_vector,
151         r_stat_batch_dynamic_surfaces_because_tcgen_vector,
152         r_stat_batch_dynamic_vertices_because_tcgen_vector,
153         r_stat_batch_dynamic_triangles_because_tcgen_vector,
154         r_stat_batch_dynamic_batches_because_tcgen_environment,
155         r_stat_batch_dynamic_surfaces_because_tcgen_environment,
156         r_stat_batch_dynamic_vertices_because_tcgen_environment,
157         r_stat_batch_dynamic_triangles_because_tcgen_environment,
158         r_stat_batch_dynamic_batches_because_tcmod_turbulent,
159         r_stat_batch_dynamic_surfaces_because_tcmod_turbulent,
160         r_stat_batch_dynamic_vertices_because_tcmod_turbulent,
161         r_stat_batch_dynamic_triangles_because_tcmod_turbulent,
162         r_stat_batch_dynamic_batches_because_interleavedarrays,
163         r_stat_batch_dynamic_surfaces_because_interleavedarrays,
164         r_stat_batch_dynamic_vertices_because_interleavedarrays,
165         r_stat_batch_dynamic_triangles_because_interleavedarrays,
166         r_stat_batch_dynamic_batches_because_nogaps,
167         r_stat_batch_dynamic_surfaces_because_nogaps,
168         r_stat_batch_dynamic_vertices_because_nogaps,
169         r_stat_batch_dynamic_triangles_because_nogaps,
170         r_stat_batch_dynamic_batches_because_derived,
171         r_stat_batch_dynamic_surfaces_because_derived,
172         r_stat_batch_dynamic_vertices_because_derived,
173         r_stat_batch_dynamic_triangles_because_derived,
174         r_stat_batch_entitycache_count,
175         r_stat_batch_entitycache_surfaces,
176         r_stat_batch_entitycache_vertices,
177         r_stat_batch_entitycache_triangles,
178         r_stat_batch_entityanimate_count,
179         r_stat_batch_entityanimate_surfaces,
180         r_stat_batch_entityanimate_vertices,
181         r_stat_batch_entityanimate_triangles,
182         r_stat_batch_entityskeletal_count,
183         r_stat_batch_entityskeletal_surfaces,
184         r_stat_batch_entityskeletal_vertices,
185         r_stat_batch_entityskeletal_triangles,
186         r_stat_batch_entitystatic_count,
187         r_stat_batch_entitystatic_surfaces,
188         r_stat_batch_entitystatic_vertices,
189         r_stat_batch_entitystatic_triangles,
190         r_stat_batch_entitycustom_count,
191         r_stat_batch_entitycustom_surfaces,
192         r_stat_batch_entitycustom_vertices,
193         r_stat_batch_entitycustom_triangles,
194         r_stat_count // size of array
195 }
196 r_stat_t;
197
198 // flags for rtlight rendering
199 #define LIGHTFLAG_NORMALMODE 1
200 #define LIGHTFLAG_REALTIMEMODE 2
201
202 typedef struct tridecal_s
203 {
204         // color and initial alpha value
205         float                   texcoord2f[3][2];
206         float                   vertex3f[3][3];
207         float                   color4f[3][4];
208         float                   plane[4]; // backface culling
209         // how long this decal has lived so far (the actual fade begins at cl_decals_time)
210         float                   lived;
211         // if >= 0 this indicates the decal should follow an animated triangle
212         int                             triangleindex;
213         // for visibility culling
214         int                             surfaceindex;
215         // old decals are killed to obey cl_decals_max
216         int                             decalsequence;
217 }
218 tridecal_t;
219
220 typedef struct decalsystem_s
221 {
222         dp_model_t *model;
223         double lastupdatetime;
224         int maxdecals;
225         int freedecal;
226         int numdecals;
227         tridecal_t *decals;
228         float *vertex3f;
229         float *texcoord2f;
230         float *color4f;
231         int *element3i;
232         unsigned short *element3s;
233 }
234 decalsystem_t;
235
236 typedef struct effect_s
237 {
238         int active;
239         vec3_t origin;
240         double starttime;
241         float framerate;
242         int modelindex;
243         int startframe;
244         int endframe;
245         // these are for interpolation
246         int frame;
247         double frame1time;
248         double frame2time;
249 }
250 cl_effect_t;
251
252 typedef struct beam_s
253 {
254         int             entity;
255         // draw this as lightning polygons, or a model?
256         int             lightning;
257         struct model_s  *model;
258         float   endtime;
259         vec3_t  start, end;
260 }
261 beam_t;
262
263 typedef struct rtlight_particle_s
264 {
265         float origin[3];
266         float color[3];
267 }
268 rtlight_particle_t;
269
270 typedef struct rtlight_s
271 {
272         // shadow volumes are done entirely in model space, so there are no matrices for dealing with them...  they just use the origin
273
274         // note that the world to light matrices are inversely scaled (divided) by lightradius
275
276         // core properties
277         /// matrix for transforming light filter coordinates to world coordinates
278         matrix4x4_t matrix_lighttoworld;
279         /// matrix for transforming world coordinates to light filter coordinates
280         matrix4x4_t matrix_worldtolight;
281         /// typically 1 1 1, can be lower (dim) or higher (overbright)
282         vec3_t color;
283         /// size of the light (remove?)
284         vec_t radius;
285         /// light filter
286         char cubemapname[64];
287         /// light style to monitor for brightness
288         int style;
289         /// whether light should render shadows
290         int shadow;
291         /// intensity of corona to render
292         vec_t corona;
293         /// radius scale of corona to render (1.0 means same as light radius)
294         vec_t coronasizescale;
295         /// ambient intensity to render
296         vec_t ambientscale;
297         /// diffuse intensity to render
298         vec_t diffusescale;
299         /// specular intensity to render
300         vec_t specularscale;
301         /// LIGHTFLAG_* flags
302         int flags;
303
304         // generated properties
305         /// used only for shadow volumes
306         vec3_t shadoworigin;
307         /// culling
308         vec3_t cullmins;
309         vec3_t cullmaxs;
310         // culling
311         //vec_t cullradius;
312         // squared cullradius
313         //vec_t cullradius2;
314
315         // rendering properties, updated each time a light is rendered
316         // this is rtlight->color * d_lightstylevalue
317         vec3_t currentcolor;
318         /// used by corona updates, due to occlusion query
319         float corona_visibility;
320         unsigned int corona_queryindex_visiblepixels;
321         unsigned int corona_queryindex_allpixels;
322         /// this is R_GetCubemap(rtlight->cubemapname)
323         rtexture_t *currentcubemap;
324         /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
325         qboolean draw;
326         /// these fields are set by R_Shadow_PrepareLight for later drawing
327         int cached_numlightentities;
328         int cached_numlightentities_noselfshadow;
329         int cached_numshadowentities;
330         int cached_numshadowentities_noselfshadow;
331         int cached_numsurfaces;
332         struct entity_render_s **cached_lightentities;
333         struct entity_render_s **cached_lightentities_noselfshadow;
334         struct entity_render_s **cached_shadowentities;
335         struct entity_render_s **cached_shadowentities_noselfshadow;
336         unsigned char *cached_shadowtrispvs;
337         unsigned char *cached_lighttrispvs;
338         int *cached_surfacelist;
339         // reduced light cullbox from GetLightInfo
340         vec3_t cached_cullmins;
341         vec3_t cached_cullmaxs;
342         // current shadow-caster culling planes based on view
343         // (any geometry outside these planes can not contribute to the visible
344         //  shadows in any way, and thus can be culled safely)
345         int cached_numfrustumplanes;
346         mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
347
348         /// static light info
349         /// true if this light should be compiled as a static light
350         int isstatic;
351         /// true if this is a compiled world light, cleared if the light changes
352         int compiled;
353         /// the shadowing mode used to compile this light
354         int shadowmode;
355         /// premade shadow volumes to render for world entity
356         shadowmesh_t *static_meshchain_shadow_zpass;
357         shadowmesh_t *static_meshchain_shadow_zfail;
358         shadowmesh_t *static_meshchain_shadow_shadowmap;
359         /// used for visibility testing (more exact than bbox)
360         int static_numleafs;
361         int static_numleafpvsbytes;
362         int *static_leaflist;
363         unsigned char *static_leafpvs;
364         /// surfaces seen by light
365         int static_numsurfaces;
366         int *static_surfacelist;
367         /// flag bits indicating which triangles of the world model should cast
368         /// shadows, and which ones should be lit
369         ///
370         /// this avoids redundantly scanning the triangles in each surface twice
371         /// for whether they should cast shadows, once in culling and once in the
372         /// actual shadowmarklist production.
373         int static_numshadowtrispvsbytes;
374         unsigned char *static_shadowtrispvs;
375         /// this allows the lighting batch code to skip backfaces andother culled
376         /// triangles not relevant for lighting
377         /// (important on big surfaces such as terrain)
378         int static_numlighttrispvsbytes;
379         unsigned char *static_lighttrispvs;
380         /// masks of all shadowmap sides that have any potential static receivers or casters
381         int static_shadowmap_receivers;
382         int static_shadowmap_casters;
383         /// particle-tracing cache for global illumination
384         int particlecache_numparticles;
385         int particlecache_maxparticles;
386         int particlecache_updateparticle;
387         rtlight_particle_t *particlecache_particles;
388
389         /// bouncegrid light info
390         float photoncolor[3];
391         float photons;
392 }
393 rtlight_t;
394
395 typedef struct dlight_s
396 {
397         // destroy light after this time
398         // (dlight only)
399         vec_t die;
400         // the entity that owns this light (can be NULL)
401         // (dlight only)
402         struct entity_render_s *ent;
403         // location
404         // (worldlight: saved to .rtlights file)
405         vec3_t origin;
406         // worldlight orientation
407         // (worldlight only)
408         // (worldlight: saved to .rtlights file)
409         vec3_t angles;
410         // dlight orientation/scaling/location
411         // (dlight only)
412         matrix4x4_t matrix;
413         // color of light
414         // (worldlight: saved to .rtlights file)
415         vec3_t color;
416         // cubemap name to use on this light
417         // (worldlight: saved to .rtlights file)
418         char cubemapname[64];
419         // make light flash while selected
420         // (worldlight only)
421         int selected;
422         // brightness (not really radius anymore)
423         // (worldlight: saved to .rtlights file)
424         vec_t radius;
425         // drop intensity this much each second
426         // (dlight only)
427         vec_t decay;
428         // intensity value which is dropped over time
429         // (dlight only)
430         vec_t intensity;
431         // initial values for intensity to modify
432         // (dlight only)
433         vec_t initialradius;
434         vec3_t initialcolor;
435         // light style which controls intensity of this light
436         // (worldlight: saved to .rtlights file)
437         int style;
438         // cast shadows
439         // (worldlight: saved to .rtlights file)
440         int shadow;
441         // corona intensity
442         // (worldlight: saved to .rtlights file)
443         vec_t corona;
444         // radius scale of corona to render (1.0 means same as light radius)
445         // (worldlight: saved to .rtlights file)
446         vec_t coronasizescale;
447         // ambient intensity to render
448         // (worldlight: saved to .rtlights file)
449         vec_t ambientscale;
450         // diffuse intensity to render
451         // (worldlight: saved to .rtlights file)
452         vec_t diffusescale;
453         // specular intensity to render
454         // (worldlight: saved to .rtlights file)
455         vec_t specularscale;
456         // LIGHTFLAG_* flags
457         // (worldlight: saved to .rtlights file)
458         int flags;
459         // linked list of world lights
460         // (worldlight only)
461         struct dlight_s *next;
462         // embedded rtlight struct for renderer
463         // (worldlight only)
464         rtlight_t rtlight;
465 }
466 dlight_t;
467
468 // this is derived from processing of the framegroupblend array
469 // note: technically each framegroupblend can produce two of these, but that
470 // never happens in practice because no one blends between more than 2
471 // framegroups at once
472 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
473 typedef struct frameblend_s
474 {
475         int subframe;
476         float lerp;
477 }
478 frameblend_t;
479
480 // LordHavoc: this struct is intended for the renderer but some fields are
481 // used by the client.
482 //
483 // The renderer should not rely on any changes to this struct to be persistent
484 // across multiple frames because temp entities are wiped every frame, but it
485 // is acceptable to cache things in this struct that are not critical.
486 //
487 // For example the r_cullentities_trace code does such caching.
488 typedef struct entity_render_s
489 {
490         // location
491         //vec3_t origin;
492         // orientation
493         //vec3_t angles;
494         // transform matrix for model to world
495         matrix4x4_t matrix;
496         // transform matrix for world to model
497         matrix4x4_t inversematrix;
498         // opacity (alpha) of the model
499         float alpha;
500         // size the model is shown
501         float scale;
502         // transparent sorting offset
503         float transparent_offset;
504
505         // NULL = no model
506         dp_model_t *model;
507         // number of the entity represents, or 0 for non-network entities
508         int entitynumber;
509         // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
510         vec3_t colormap_pantscolor;
511         vec3_t colormap_shirtcolor;
512         // light, particles, etc
513         int effects;
514         // qw CTF flags and other internal-use-only effect bits
515         int internaleffects;
516         // for Alias models
517         int skinnum;
518         // render flags
519         int flags;
520
521         // colormod tinting of models
522         float colormod[3];
523         float glowmod[3];
524
525         // interpolated animation - active framegroups and blend factors
526         framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
527
528         // time of last model change (for shader animations)
529         double shadertime;
530
531         // calculated by the renderer (but not persistent)
532
533         // calculated during R_AddModelEntities
534         vec3_t mins, maxs;
535         // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
536         frameblend_t frameblend[MAX_FRAMEBLENDS];
537         // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
538         skeleton_t *skeleton;
539
540         // animation cache (pointers allocated using R_FrameData_Alloc)
541         // ONLY valid during R_RenderView!  may be NULL (not cached)
542         float *animcache_vertex3f;
543         float *animcache_normal3f;
544         float *animcache_svector3f;
545         float *animcache_tvector3f;
546         // interleaved arrays for rendering and dynamic vertex buffers for them
547         r_meshbuffer_t *animcache_vertex3fbuffer;
548         r_vertexmesh_t *animcache_vertexmesh;
549         r_meshbuffer_t *animcache_vertexmeshbuffer;
550         // gpu-skinning shader needs transforms in a certain format, we have to
551         // upload this to a uniform buffer for the shader to use, and also keep a
552         // backup copy in system memory for the dynamic batch fallback code
553         // if this is not NULL, the other animcache variables are NULL
554         float *animcache_skeletaltransform3x4;
555         r_meshbuffer_t *animcache_skeletaltransform3x4buffer;
556         int animcache_skeletaltransform3x4offset;
557         int animcache_skeletaltransform3x4size;
558
559         // current lighting from map (updated ONLY by client code, not renderer)
560         vec3_t modellight_ambient;
561         vec3_t modellight_diffuse; // q3bsp
562         vec3_t modellight_lightdir; // q3bsp
563
564         // storage of decals on this entity
565         // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
566         int allowdecals;
567         decalsystem_t decalsystem;
568
569         // FIELDS UPDATED BY RENDERER:
570         // last time visible during trace culling
571         double last_trace_visibility;
572
573         // user wavefunc parameters (from csqc)
574         vec_t userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
575 }
576 entity_render_t;
577
578 typedef struct entity_persistent_s
579 {
580         vec3_t trail_origin; // previous position for particle trail spawning
581         vec3_t oldorigin; // lerp
582         vec3_t oldangles; // lerp
583         vec3_t neworigin; // lerp
584         vec3_t newangles; // lerp
585         vec_t lerpstarttime; // lerp
586         vec_t lerpdeltatime; // lerp
587         float muzzleflash; // muzzleflash intensity, fades over time
588         float trail_time; // residual error accumulation for particle trail spawning (to keep spacing across frames)
589         qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
590 }
591 entity_persistent_t;
592
593 typedef struct entity_s
594 {
595         // baseline state (default values)
596         entity_state_t state_baseline;
597         // previous state (interpolating from this)
598         entity_state_t state_previous;
599         // current state (interpolating to this)
600         entity_state_t state_current;
601
602         // used for regenerating parts of render
603         entity_persistent_t persistent;
604
605         // the only data the renderer should know about
606         entity_render_t render;
607 }
608 entity_t;
609
610 typedef struct usercmd_s
611 {
612         vec3_t  viewangles;
613
614 // intended velocities
615         float   forwardmove;
616         float   sidemove;
617         float   upmove;
618
619         vec3_t  cursor_screen;
620         vec3_t  cursor_start;
621         vec3_t  cursor_end;
622         vec3_t  cursor_impact;
623         vec3_t  cursor_normal;
624         vec_t   cursor_fraction;
625         int             cursor_entitynumber;
626
627         double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
628         double receivetime; // time the move was received at
629         double clienttime; // time to which server state the move corresponds to
630         int msec; // for predicted moves
631         int buttons;
632         int impulse;
633         int sequence;
634         qboolean applied; // if false we're still accumulating a move
635         qboolean predicted; // if true the sequence should be sent as 0
636
637         // derived properties
638         double frametime;
639         qboolean canjump;
640         qboolean jump;
641         qboolean crouch;
642 } usercmd_t;
643
644 typedef struct lightstyle_s
645 {
646         int             length;
647         char    map[MAX_STYLESTRING];
648 } lightstyle_t;
649
650 typedef struct scoreboard_s
651 {
652         char    name[MAX_SCOREBOARDNAME];
653         int             frags;
654         int             colors; // two 4 bit fields
655         // QW fields:
656         int             qw_userid;
657         char    qw_userinfo[MAX_USERINFO_STRING];
658         float   qw_entertime;
659         int             qw_ping;
660         int             qw_packetloss;
661         int             qw_movementloss;
662         int             qw_spectator;
663         char    qw_team[8];
664         char    qw_skin[MAX_QPATH];
665 } scoreboard_t;
666
667 typedef struct cshift_s
668 {
669         float   destcolor[3];
670         float   percent;                // 0-255
671         float   alphafade;      // (any speed)
672 } cshift_t;
673
674 #define CSHIFT_CONTENTS 0
675 #define CSHIFT_DAMAGE   1
676 #define CSHIFT_BONUS    2
677 #define CSHIFT_POWERUP  3
678 #define CSHIFT_VCSHIFT  4
679 #define NUM_CSHIFTS             5
680
681 #define NAME_LENGTH     64
682
683
684 //
685 // client_state_t should hold all pieces of the client state
686 //
687
688 #define SIGNONS         4                       // signon messages to receive before connected
689
690 typedef enum cactive_e
691 {
692         ca_uninitialized,       // during early startup
693         ca_dedicated,           // a dedicated server with no ability to start a client
694         ca_disconnected,        // full screen console with no connection
695         ca_connected            // valid netcon, talking to a server
696 }
697 cactive_t;
698
699 typedef enum qw_downloadtype_e
700 {
701         dl_none,
702         dl_single,
703         dl_skin,
704         dl_model,
705         dl_sound
706 }
707 qw_downloadtype_t;
708
709 typedef enum capturevideoformat_e
710 {
711         CAPTUREVIDEOFORMAT_AVI_I420,
712         CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
713 }
714 capturevideoformat_t;
715
716 typedef struct capturevideostate_s
717 {
718         double startrealtime;
719         double framerate;
720         int framestep;
721         int framestepframe;
722         qboolean active;
723         qboolean realtime;
724         qboolean error;
725         int soundrate;
726         int soundchannels;
727         int frame;
728         double starttime;
729         double lastfpstime;
730         int lastfpsframe;
731         int soundsampleframe;
732         unsigned char *screenbuffer;
733         unsigned char *outbuffer;
734         char basename[MAX_QPATH];
735         int width, height;
736
737         // precomputed RGB to YUV tables
738         // converts the RGB values to YUV (see cap_avi.c for how to use them)
739         short rgbtoyuvscaletable[3][3][256];
740         unsigned char yuvnormalizetable[3][256];
741
742         // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
743         // 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
744         unsigned short vidramp[256 * 3];
745
746         // stuff to be filled in by the video format module
747         capturevideoformat_t format;
748         const char *formatextension;
749         qfile_t *videofile;
750                 // always use this:
751                 //   cls.capturevideo.videofile = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
752         void (*endvideo) (void);
753         void (*videoframes) (int num);
754         void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
755
756         // format specific data
757         void *formatspecific;
758 }
759 capturevideostate_t;
760
761 #define CL_MAX_DOWNLOADACKS 4
762
763 typedef struct cl_downloadack_s
764 {
765         int start, size;
766 }
767 cl_downloadack_t;
768
769 typedef struct cl_soundstats_s
770 {
771         int mixedsounds;
772         int totalsounds;
773         int latency_milliseconds;
774 }
775 cl_soundstats_t;
776
777 //
778 // the client_static_t structure is persistent through an arbitrary number
779 // of server connections
780 //
781 typedef struct client_static_s
782 {
783         cactive_t state;
784
785         // all client memory allocations go in these pools
786         mempool_t *levelmempool;
787         mempool_t *permanentmempool;
788
789 // demo loop control
790         // -1 = don't play demos
791         int demonum;
792         // list of demos in loop
793         char demos[MAX_DEMOS][MAX_DEMONAME];
794         // the actively playing demo (set by CL_PlayDemo_f)
795         char demoname[MAX_QPATH];
796
797 // demo recording info must be here, because record is started before
798 // entering a map (and clearing client_state_t)
799         qboolean demorecording;
800         fs_offset_t demo_lastcsprogssize;
801         int demo_lastcsprogscrc;
802         qboolean demoplayback;
803         qboolean demostarting; // set if currently starting a demo, to stop -demo from quitting when switching to another demo
804         qboolean timedemo;
805         // -1 = use normal cd track
806         int forcetrack;
807         qfile_t *demofile;
808         // realtime at second frame of timedemo (LordHavoc: changed to double)
809         double td_starttime;
810         int td_frames; // total frames parsed
811         double td_onesecondnexttime;
812         double td_onesecondframes;
813         double td_onesecondrealtime;
814         double td_onesecondminfps;
815         double td_onesecondmaxfps;
816         double td_onesecondavgfps;
817         int td_onesecondavgcount;
818         // LordHavoc: pausedemo
819         qboolean demopaused;
820
821         // sound mixer statistics for showsound display
822         cl_soundstats_t soundstats;
823
824         qboolean connect_trying;
825         int connect_remainingtries;
826         double connect_nextsendtime;
827         lhnetsocket_t *connect_mysocket;
828         lhnetaddress_t connect_address;
829         // protocol version of the server we're connected to
830         // (kept outside client_state_t because it's used between levels)
831         protocolversion_t protocol;
832
833 #define MAX_RCONS 16
834         int rcon_trying;
835         lhnetaddress_t rcon_addresses[MAX_RCONS];
836         char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
837         double rcon_timeout[MAX_RCONS];
838         int rcon_ringpos;
839
840 // connection information
841         // 0 to SIGNONS
842         int signon;
843         // network connection
844         netconn_t *netcon;
845
846         // download information
847         // (note: qw_download variables are also used)
848         cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
849
850         // input sequence numbers are not reset on level change, only connect
851         int movesequence;
852         int servermovesequence;
853
854         // quakeworld stuff below
855
856         // value of "qport" cvar at time of connection
857         int qw_qport;
858         // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
859         int qw_incoming_sequence;
860         int qw_outgoing_sequence;
861
862         // current file download buffer (only saved when file is completed)
863         char qw_downloadname[MAX_QPATH];
864         unsigned char *qw_downloadmemory;
865         int qw_downloadmemorycursize;
866         int qw_downloadmemorymaxsize;
867         int qw_downloadnumber;
868         int qw_downloadpercent;
869         qw_downloadtype_t qw_downloadtype;
870         // transfer rate display
871         double qw_downloadspeedtime;
872         int qw_downloadspeedcount;
873         int qw_downloadspeedrate;
874         qboolean qw_download_deflate;
875
876         // current file upload buffer (for uploading screenshots to server)
877         unsigned char *qw_uploaddata;
878         int qw_uploadsize;
879         int qw_uploadpos;
880
881         // user infostring
882         // this normally contains the following keys in quakeworld:
883         // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
884         char userinfo[MAX_USERINFO_STRING];
885
886         // extra user info for the "connect" command
887         char connect_userinfo[MAX_USERINFO_STRING];
888
889         // video capture stuff
890         capturevideostate_t capturevideo;
891
892         // crypto channel
893         crypto_t crypto;
894
895         // ProQuake compatibility stuff
896         int proquake_servermod; // 0 = not proquake, 1 = proquake
897         int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
898         int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
899
900         // don't write-then-read csprogs.dat (useful for demo playback)
901         unsigned char *caughtcsprogsdata;
902         fs_offset_t caughtcsprogsdatasize;
903
904         int r_speeds_graph_length;
905         int r_speeds_graph_current;
906         int *r_speeds_graph_data;
907
908         // graph scales
909         int r_speeds_graph_datamin[r_stat_count];
910         int r_speeds_graph_datamax[r_stat_count];
911 }
912 client_static_t;
913
914 extern client_static_t  cls;
915
916 typedef struct client_movementqueue_s
917 {
918         double time;
919         float frametime;
920         int sequence;
921         float viewangles[3];
922         float move[3];
923         qboolean jump;
924         qboolean crouch;
925         qboolean canjump;
926 }
927 client_movementqueue_t;
928
929 //[515]: csqc
930 typedef struct
931 {
932         qboolean drawworld;
933         qboolean drawenginesbar;
934         qboolean drawcrosshair;
935 }csqc_vidvars_t;
936
937 typedef enum
938 {
939         PARTICLE_BILLBOARD = 0,
940         PARTICLE_SPARK = 1,
941         PARTICLE_ORIENTED_DOUBLESIDED = 2,
942         PARTICLE_VBEAM = 3,
943         PARTICLE_HBEAM = 4,
944         PARTICLE_INVALID = -1
945 }
946 porientation_t;
947
948 typedef enum
949 {
950         PBLEND_ALPHA = 0,
951         PBLEND_ADD = 1,
952         PBLEND_INVMOD = 2,
953         PBLEND_INVALID = -1
954 }
955 pblend_t;
956
957 typedef struct particletype_s
958 {
959         pblend_t blendmode;
960         porientation_t orientation;
961         qboolean lighting;
962 }
963 particletype_t;
964
965 typedef enum ptype_e
966 {
967         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
968 }
969 ptype_t;
970
971 typedef struct decal_s
972 {
973         // fields used by rendering:  (44 bytes)
974         unsigned short  typeindex;
975         unsigned short  texnum;
976         int                             decalsequence;
977         vec3_t                  org;
978         vec3_t                  normal;
979         float                   size;
980         float                   alpha; // 0-255
981         unsigned char   color[3];
982         unsigned char   unused1;
983         int                             clusterindex; // cheap culling by pvs
984
985         // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
986         float                   time2; // used for decal fade
987         unsigned int    owner; // decal stuck to this entity
988         dp_model_t                      *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
989         vec3_t                  relativeorigin; // decal at this location in entity's coordinate space
990         vec3_t                  relativenormal; // decal oriented this way relative to entity's coordinate space
991 }
992 decal_t;
993
994 typedef struct particle_s
995 {
996         // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
997
998         // fields used by rendering: (48 bytes)
999         vec3_t          sortorigin; // sort by this group origin, not particle org
1000         vec3_t          org;
1001         vec3_t          vel; // velocity of particle, or orientation of decal, or end point of beam
1002         float           size;
1003         float           alpha; // 0-255
1004         float           stretch; // only for sparks
1005
1006         // fields not used by rendering:  (44 bytes)
1007         float           stainsize;
1008         float           stainalpha;
1009         float           sizeincrease; // rate of size change per second
1010         float           alphafade; // how much alpha reduces per second
1011         float           time2; // used for snow fluttering and decal fade
1012         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)
1013         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
1014         float           airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
1015         float           liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
1016 //      float           delayedcollisions; // time that p->bounce becomes active
1017         float           delayedspawn; // time that particle appears and begins moving
1018         float           die; // time when this particle should be removed, regardless of alpha
1019
1020         // short variables grouped to save memory (4 bytes)
1021         short                   angle; // base rotation of particle
1022         short                   spin; // geometry rotation speed around the particle center normal
1023
1024         // byte variables grouped to save memory (12 bytes)
1025         unsigned char   color[3];
1026         unsigned char   qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
1027         unsigned char   typeindex;
1028         unsigned char   blendmode;
1029         unsigned char   orientation;
1030         unsigned char   texnum;
1031         unsigned char   staincolor[3];
1032         signed char     staintexnum;
1033 }
1034 particle_t;
1035
1036 typedef enum cl_parsingtextmode_e
1037 {
1038         CL_PARSETEXTMODE_NONE,
1039         CL_PARSETEXTMODE_PING,
1040         CL_PARSETEXTMODE_STATUS,
1041         CL_PARSETEXTMODE_STATUS_PLAYERID,
1042         CL_PARSETEXTMODE_STATUS_PLAYERIP
1043 }
1044 cl_parsingtextmode_t;
1045
1046 typedef struct cl_locnode_s
1047 {
1048         struct cl_locnode_s *next;
1049         char *name;
1050         vec3_t mins, maxs;
1051 }
1052 cl_locnode_t;
1053
1054 typedef struct showlmp_s
1055 {
1056         qboolean        isactive;
1057         float           x;
1058         float           y;
1059         char            label[32];
1060         char            pic[128];
1061 }
1062 showlmp_t;
1063
1064 //
1065 // the client_state_t structure is wiped completely at every
1066 // server signon
1067 //
1068 typedef struct client_state_s
1069 {
1070         // true if playing in a local game and no one else is connected
1071         int islocalgame;
1072
1073         // send a clc_nop periodically until connected
1074         float sendnoptime;
1075
1076         // current input being accumulated by mouse/joystick/etc input
1077         usercmd_t cmd;
1078         // latest moves sent to the server that have not been confirmed yet
1079         usercmd_t movecmd[CL_MAX_USERCMDS];
1080
1081 // information for local display
1082         // health, etc
1083         int stats[MAX_CL_STATS];
1084         float *statsf; // points to stats[] array
1085         // last known inventory bit flags, for blinking
1086         int olditems;
1087         // cl.time of acquiring item, for blinking
1088         float item_gettime[32];
1089         // last known STAT_ACTIVEWEAPON
1090         int activeweapon;
1091         // cl.time of changing STAT_ACTIVEWEAPON
1092         float weapontime;
1093         // use pain anim frame if cl.time < this
1094         float faceanimtime;
1095         // for stair smoothing
1096         float stairsmoothz;
1097         double stairsmoothtime;
1098
1099         // color shifts for damage, powerups
1100         cshift_t cshifts[NUM_CSHIFTS];
1101         // and content types
1102         cshift_t prev_cshifts[NUM_CSHIFTS];
1103
1104 // the client maintains its own idea of view angles, which are
1105 // sent to the server each frame.  The server sets punchangle when
1106 // the view is temporarily offset, and an angle reset commands at the start
1107 // of each level and after teleporting.
1108
1109         // mviewangles is read from demo
1110         // viewangles is either client controlled or lerped from mviewangles
1111         vec3_t mviewangles[2], viewangles;
1112         // update by server, used by qc to do weapon recoil
1113         vec3_t mpunchangle[2], punchangle;
1114         // update by server, can be used by mods to kick view around
1115         vec3_t mpunchvector[2], punchvector;
1116         // update by server, used for lean+bob (0 is newest)
1117         vec3_t mvelocity[2], velocity;
1118         // update by server, can be used by mods for zooming
1119         vec_t mviewzoom[2], viewzoom;
1120         // if true interpolation the mviewangles and other interpolation of the
1121         // player is disabled until the next network packet
1122         // this is used primarily by teleporters, and when spectating players
1123         // special checking of the old fixangle[1] is used to differentiate
1124         // between teleporting and spectating
1125         qboolean fixangle[2];
1126
1127         // client movement simulation
1128         // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
1129         // set by CL_ClientMovement_Replay functions
1130         qboolean movement_predicted;
1131         // if true the CL_ClientMovement_Replay function will update origin, etc
1132         qboolean movement_replay;
1133         // simulated data (this is valid even if cl.movement is false)
1134         vec3_t movement_origin;
1135         vec3_t movement_velocity;
1136         // whether the replay should allow a jump at the first sequence
1137         qboolean movement_replay_canjump;
1138
1139         // previous gun angles (for leaning effects)
1140         vec3_t gunangles_prev;
1141         vec3_t gunangles_highpass;
1142         vec3_t gunangles_adjustment_lowpass;
1143         vec3_t gunangles_adjustment_highpass;
1144         // previous gun angles (for leaning effects)
1145         vec3_t gunorg_prev;
1146         vec3_t gunorg_highpass;
1147         vec3_t gunorg_adjustment_lowpass;
1148         vec3_t gunorg_adjustment_highpass;
1149
1150 // pitch drifting vars
1151         float idealpitch;
1152         float pitchvel;
1153         qboolean nodrift;
1154         float driftmove;
1155         double laststop;
1156
1157 //[515]: added for csqc purposes
1158         float sensitivityscale;
1159         csqc_vidvars_t csqc_vidvars;    //[515]: these parms must be set to true by default
1160         qboolean csqc_wantsmousemove;
1161         qboolean csqc_paused; // vortex: int because could be flags
1162         struct model_s *csqc_model_precache[MAX_MODELS];
1163
1164         // local amount for smoothing stepups
1165         //float crouch;
1166
1167         // sent by server
1168         qboolean paused;
1169         qboolean onground;
1170         qboolean inwater;
1171
1172         // used by bob
1173         qboolean oldonground;
1174         double lastongroundtime;
1175         double hitgroundtime;
1176         float bob2_smooth;
1177         float bobfall_speed;
1178         float bobfall_swing;
1179         double calcrefdef_prevtime;
1180
1181         // don't change view angle, full screen, etc
1182         int intermission;
1183         // latched at intermission start
1184         double completed_time;
1185
1186         // the timestamp of the last two messages
1187         double mtime[2];
1188
1189         // clients view of time, time should be between mtime[0] and mtime[1] to
1190         // generate a lerp point for other data, oldtime is the previous frame's
1191         // value of time, frametime is the difference between time and oldtime
1192         // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1193         // is only forcefully limited when a packet is received
1194         double time, oldtime;
1195         // how long it has been since the previous client frame in real time
1196         // (not game time, for that use cl.time - cl.oldtime)
1197         double realframetime;
1198         
1199         // fade var for fading while dead
1200         float deathfade;
1201
1202         // motionblur alpha level variable
1203         float motionbluralpha;
1204
1205         // copy of realtime from last recieved message, for net trouble icon
1206         float last_received_message;
1207
1208 // information that is static for the entire time connected to a server
1209         struct model_s *model_precache[MAX_MODELS];
1210         struct sfx_s *sound_precache[MAX_SOUNDS];
1211
1212         // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1213         char model_name[MAX_MODELS][MAX_QPATH];
1214         char sound_name[MAX_SOUNDS][MAX_QPATH];
1215
1216         // for display on solo scoreboard
1217         char worldmessage[40]; // map title (not related to filename)
1218         // variants of map name
1219         char worldbasename[MAX_QPATH]; // %s
1220         char worldname[MAX_QPATH]; // maps/%s.bsp
1221         char worldnamenoextension[MAX_QPATH]; // maps/%s
1222         // cl_entitites[cl.viewentity] = player
1223         int viewentity;
1224         // the real player entity (normally same as viewentity,
1225         // different than viewentity if mod uses chasecam or other tricks)
1226         int realplayerentity;
1227         // this is updated to match cl.viewentity whenever it is in the clients
1228         // range, basically this is used in preference to cl.realplayerentity for
1229         // most purposes because when spectating another player it should show
1230         // their information rather than yours
1231         int playerentity;
1232         // max players that can be in this game
1233         int maxclients;
1234         // type of game (deathmatch, coop, singleplayer)
1235         int gametype;
1236
1237         // models and sounds used by engine code (particularly cl_parse.c)
1238         dp_model_t *model_bolt;
1239         dp_model_t *model_bolt2;
1240         dp_model_t *model_bolt3;
1241         dp_model_t *model_beam;
1242         sfx_t *sfx_wizhit;
1243         sfx_t *sfx_knighthit;
1244         sfx_t *sfx_tink1;
1245         sfx_t *sfx_ric1;
1246         sfx_t *sfx_ric2;
1247         sfx_t *sfx_ric3;
1248         sfx_t *sfx_r_exp3;
1249         // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1250         qboolean foundtalk2wav;
1251
1252 // refresh related state
1253
1254         // cl_entitites[0].model
1255         struct model_s *worldmodel;
1256
1257         // the gun model
1258         entity_t viewent;
1259
1260         // cd audio
1261         int cdtrack, looptrack;
1262
1263 // frag scoreboard
1264
1265         // [cl.maxclients]
1266         scoreboard_t *scores;
1267
1268         // keep track of svc_print parsing state (analyzes ping reports and status reports)
1269         cl_parsingtextmode_t parsingtextmode;
1270         int parsingtextplayerindex;
1271         // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1272         // (which could eat the wrong ping report if the player issues one
1273         //  manually, but they would still see a ping report, just a later one
1274         //  caused by the scoreboard code rather than the one they intentionally
1275         //  issued)
1276         int parsingtextexpectingpingforscores;
1277
1278         // entity database stuff
1279         // latest received entity frame numbers
1280 #define LATESTFRAMENUMS 32
1281         int latestframenumsposition;
1282         int latestframenums[LATESTFRAMENUMS];
1283         int latestsendnums[LATESTFRAMENUMS];
1284         entityframe_database_t *entitydatabase;
1285         entityframe4_database_t *entitydatabase4;
1286         entityframeqw_database_t *entitydatabaseqw;
1287
1288         // keep track of quake entities because they need to be killed if they get stale
1289         int lastquakeentity;
1290         unsigned char isquakeentity[MAX_EDICTS];
1291
1292         // bounding boxes for clientside movement
1293         vec3_t playerstandmins;
1294         vec3_t playerstandmaxs;
1295         vec3_t playercrouchmins;
1296         vec3_t playercrouchmaxs;
1297
1298         // old decals are killed based on this
1299         int decalsequence;
1300
1301         int max_entities;
1302         int max_csqcrenderentities;
1303         int max_static_entities;
1304         int max_effects;
1305         int max_beams;
1306         int max_dlights;
1307         int max_lightstyle;
1308         int max_brushmodel_entities;
1309         int max_particles;
1310         int max_decals;
1311         int max_showlmps;
1312
1313         entity_t *entities;
1314         entity_render_t *csqcrenderentities;
1315         unsigned char *entities_active;
1316         entity_t *static_entities;
1317         cl_effect_t *effects;
1318         beam_t *beams;
1319         dlight_t *dlights;
1320         lightstyle_t *lightstyle;
1321         int *brushmodel_entities;
1322         particle_t *particles;
1323         decal_t *decals;
1324         showlmp_t *showlmps;
1325
1326         int num_entities;
1327         int num_static_entities;
1328         int num_brushmodel_entities;
1329         int num_effects;
1330         int num_beams;
1331         int num_dlights;
1332         int num_particles;
1333         int num_decals;
1334         int num_showlmps;
1335
1336         double particles_updatetime;
1337         double decals_updatetime;
1338         int free_particle;
1339         int free_decal;
1340
1341         // cl_serverextension_download feature
1342         int loadmodel_current;
1343         int downloadmodel_current;
1344         int loadmodel_total;
1345         int loadsound_current;
1346         int downloadsound_current;
1347         int loadsound_total;
1348         qboolean downloadcsqc;
1349         qboolean loadcsqc;
1350         qboolean loadbegun;
1351         qboolean loadfinished;
1352
1353         // quakeworld stuff
1354
1355         // local copy of the server infostring
1356         char qw_serverinfo[MAX_SERVERINFO_STRING];
1357
1358         // time of last qw "pings" command sent to server while showing scores
1359         double last_ping_request;
1360
1361         // used during connect
1362         int qw_servercount;
1363
1364         // updated from serverinfo
1365         int qw_teamplay;
1366
1367         // unused: indicates whether the player is spectating
1368         // use cl.scores[cl.playerentity-1].qw_spectator instead
1369         //qboolean qw_spectator;
1370
1371         // last time an input packet was sent
1372         double lastpackettime;
1373
1374         // movement parameters for client prediction
1375         unsigned int moveflags;
1376         float movevars_wallfriction;
1377         float movevars_waterfriction;
1378         float movevars_friction;
1379         float movevars_timescale;
1380         float movevars_gravity;
1381         float movevars_stopspeed;
1382         float movevars_maxspeed;
1383         float movevars_spectatormaxspeed;
1384         float movevars_accelerate;
1385         float movevars_airaccelerate;
1386         float movevars_wateraccelerate;
1387         float movevars_entgravity;
1388         float movevars_jumpvelocity;
1389         float movevars_edgefriction;
1390         float movevars_maxairspeed;
1391         float movevars_stepheight;
1392         float movevars_airaccel_qw;
1393         float movevars_airaccel_qw_stretchfactor;
1394         float movevars_airaccel_sideways_friction;
1395         float movevars_airstopaccelerate;
1396         float movevars_airstrafeaccelerate;
1397         float movevars_maxairstrafespeed;
1398         float movevars_airstrafeaccel_qw;
1399         float movevars_aircontrol;
1400         float movevars_aircontrol_power;
1401         float movevars_aircontrol_penalty;
1402         float movevars_warsowbunny_airforwardaccel;
1403         float movevars_warsowbunny_accel;
1404         float movevars_warsowbunny_topspeed;
1405         float movevars_warsowbunny_turnaccel;
1406         float movevars_warsowbunny_backtosideratio;
1407         float movevars_ticrate;
1408         float movevars_airspeedlimit_nonqw;
1409
1410         // models used by qw protocol
1411         int qw_modelindex_spike;
1412         int qw_modelindex_player;
1413         int qw_modelindex_flag;
1414         int qw_modelindex_s_explod;
1415
1416         vec3_t qw_intermission_origin;
1417         vec3_t qw_intermission_angles;
1418
1419         // 255 is the most nails the QW protocol could send
1420         int qw_num_nails;
1421         vec_t qw_nails[255][6];
1422
1423         float qw_weaponkick;
1424
1425         int qw_validsequence;
1426
1427         int qw_deltasequence[QW_UPDATE_BACKUP];
1428
1429         // csqc stuff:
1430         // server entity number corresponding to a clientside entity
1431         unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1432         qboolean csqc_loaded;
1433         vec3_t csqc_vieworigin;
1434         vec3_t csqc_viewangles;
1435         vec3_t csqc_vieworiginfromengine;
1436         vec3_t csqc_viewanglesfromengine;
1437         matrix4x4_t csqc_viewmodelmatrixfromengine;
1438         qboolean csqc_usecsqclistener;
1439         matrix4x4_t csqc_listenermatrix;
1440         char csqc_printtextbuf[MAX_INPUTLINE];
1441
1442         // collision culling data
1443         world_t world;
1444
1445         // loc file stuff (points and boxes describing locations in the level)
1446         cl_locnode_t *locnodes;
1447         // this is updated to cl.movement_origin whenever health is < 1
1448         // used by %d print in say/say_team messages if cl_locs_enable is on
1449         vec3_t lastdeathorigin;
1450
1451         // processing buffer used by R_BuildLightMap, reallocated as needed,
1452         // freed on each level change
1453         size_t buildlightmapmemorysize;
1454         unsigned char *buildlightmapmemory;
1455
1456         // used by EntityState5_ReadUpdate
1457         skeleton_t *engineskeletonobjects;
1458 }
1459 client_state_t;
1460
1461 //
1462 // cvars
1463 //
1464 extern cvar_t cl_name;
1465 extern cvar_t cl_color;
1466 extern cvar_t cl_rate;
1467 extern cvar_t cl_pmodel;
1468 extern cvar_t cl_playermodel;
1469 extern cvar_t cl_playerskin;
1470
1471 extern cvar_t rcon_password;
1472 extern cvar_t rcon_address;
1473
1474 extern cvar_t cl_upspeed;
1475 extern cvar_t cl_forwardspeed;
1476 extern cvar_t cl_backspeed;
1477 extern cvar_t cl_sidespeed;
1478
1479 extern cvar_t cl_movespeedkey;
1480
1481 extern cvar_t cl_yawspeed;
1482 extern cvar_t cl_pitchspeed;
1483
1484 extern cvar_t cl_anglespeedkey;
1485
1486 extern cvar_t cl_autofire;
1487
1488 extern cvar_t cl_shownet;
1489 extern cvar_t cl_nolerp;
1490 extern cvar_t cl_nettimesyncfactor;
1491 extern cvar_t cl_nettimesyncboundmode;
1492 extern cvar_t cl_nettimesyncboundtolerance;
1493
1494 extern cvar_t cl_pitchdriftspeed;
1495 extern cvar_t lookspring;
1496 extern cvar_t lookstrafe;
1497 extern cvar_t sensitivity;
1498
1499 extern cvar_t freelook;
1500
1501 extern cvar_t m_pitch;
1502 extern cvar_t m_yaw;
1503 extern cvar_t m_forward;
1504 extern cvar_t m_side;
1505
1506 extern cvar_t cl_autodemo;
1507 extern cvar_t cl_autodemo_nameformat;
1508 extern cvar_t cl_autodemo_delete;
1509
1510 extern cvar_t r_draweffects;
1511
1512 extern cvar_t cl_explosions_alpha_start;
1513 extern cvar_t cl_explosions_alpha_end;
1514 extern cvar_t cl_explosions_size_start;
1515 extern cvar_t cl_explosions_size_end;
1516 extern cvar_t cl_explosions_lifetime;
1517 extern cvar_t cl_stainmaps;
1518 extern cvar_t cl_stainmaps_clearonload;
1519
1520 extern cvar_t cl_prydoncursor;
1521 extern cvar_t cl_prydoncursor_notrace;
1522
1523 extern cvar_t cl_locs_enable;
1524
1525 extern client_state_t cl;
1526
1527 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);
1528
1529 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1530 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1531
1532 //=============================================================================
1533
1534 //
1535 // cl_main
1536 //
1537
1538 void CL_Shutdown (void);
1539 void CL_Init (void);
1540
1541 void CL_EstablishConnection(const char *host, int firstarg);
1542
1543 void CL_Disconnect (void);
1544 void CL_Disconnect_f (void);
1545
1546 void CL_UpdateRenderEntity(entity_render_t *ent);
1547 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1548 void CL_UpdateViewEntities(void);
1549
1550 //
1551 // cl_input
1552 //
1553 typedef struct kbutton_s
1554 {
1555         int             down[2];                // key nums holding it down
1556         int             state;                  // low bit is down state
1557 }
1558 kbutton_t;
1559
1560 extern  kbutton_t       in_mlook, in_klook;
1561 extern  kbutton_t       in_strafe;
1562 extern  kbutton_t       in_speed;
1563
1564 void CL_InitInput (void);
1565 void CL_SendMove (void);
1566
1567 void CL_ValidateState(entity_state_t *s);
1568 void CL_MoveLerpEntityStates(entity_t *ent);
1569 void CL_LerpUpdate(entity_t *e);
1570 void CL_ParseTEnt (void);
1571 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1572 void CL_RelinkBeams (void);
1573 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1574 void CL_ClientMovement_Replay(void);
1575
1576 void CL_ClearTempEntities (void);
1577 entity_render_t *CL_NewTempEntity (double shadertime);
1578
1579 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1580
1581 void CL_ClearState (void);
1582 void CL_ExpandEntities(int num);
1583 void CL_ExpandCSQCRenderEntities(int num);
1584 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1585
1586
1587 void CL_UpdateWorld (void);
1588 void CL_WriteToServer (void);
1589 void CL_Input (void);
1590 extern int cl_ignoremousemoves;
1591
1592
1593 float CL_KeyState (kbutton_t *key);
1594 const char *Key_KeynumToString (int keynum, char *buf, size_t buflength);
1595 int Key_StringToKeynum (const char *str);
1596
1597 //
1598 // cl_demo.c
1599 //
1600 void CL_StopPlayback(void);
1601 void CL_ReadDemoMessage(void);
1602 void CL_WriteDemoMessage(sizebuf_t *mesage);
1603
1604 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1605 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1606
1607 void CL_NextDemo(void);
1608 void CL_Stop_f(void);
1609 void CL_Record_f(void);
1610 void CL_PlayDemo_f(void);
1611 void CL_TimeDemo_f(void);
1612
1613 //
1614 // cl_parse.c
1615 //
1616 void CL_Parse_Init(void);
1617 void CL_Parse_Shutdown(void);
1618 void CL_ParseServerMessage(void);
1619 void CL_Parse_DumpPacket(void);
1620 void CL_Parse_ErrorCleanUp(void);
1621 void QW_CL_StartUpload(unsigned char *data, int size);
1622 extern cvar_t qport;
1623 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1624
1625 //
1626 // view
1627 //
1628 void V_StartPitchDrift (void);
1629 void V_StopPitchDrift (void);
1630
1631 void V_Init (void);
1632 float V_CalcRoll (const vec3_t angles, const vec3_t velocity);
1633 void V_UpdateBlends (void);
1634 void V_ParseDamage (void);
1635
1636 //
1637 // cl_part
1638 //
1639
1640 extern cvar_t cl_particles;
1641 extern cvar_t cl_particles_quality;
1642 extern cvar_t cl_particles_size;
1643 extern cvar_t cl_particles_quake;
1644 extern cvar_t cl_particles_blood;
1645 extern cvar_t cl_particles_blood_alpha;
1646 extern cvar_t cl_particles_blood_decal_alpha;
1647 extern cvar_t cl_particles_blood_decal_scalemin;
1648 extern cvar_t cl_particles_blood_decal_scalemax;
1649 extern cvar_t cl_particles_blood_bloodhack;
1650 extern cvar_t cl_particles_bulletimpacts;
1651 extern cvar_t cl_particles_explosions_sparks;
1652 extern cvar_t cl_particles_explosions_shell;
1653 extern cvar_t cl_particles_rain;
1654 extern cvar_t cl_particles_snow;
1655 extern cvar_t cl_particles_smoke;
1656 extern cvar_t cl_particles_smoke_alpha;
1657 extern cvar_t cl_particles_smoke_alphafade;
1658 extern cvar_t cl_particles_sparks;
1659 extern cvar_t cl_particles_bubbles;
1660 extern cvar_t cl_decals;
1661 extern cvar_t cl_decals_time;
1662 extern cvar_t cl_decals_fadetime;
1663
1664 void CL_Particles_Clear(void);
1665 void CL_Particles_Init(void);
1666 void CL_Particles_Shutdown(void);
1667 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]);
1668
1669 typedef enum effectnameindex_s
1670 {
1671         EFFECT_NONE,
1672         EFFECT_TE_GUNSHOT,
1673         EFFECT_TE_GUNSHOTQUAD,
1674         EFFECT_TE_SPIKE,
1675         EFFECT_TE_SPIKEQUAD,
1676         EFFECT_TE_SUPERSPIKE,
1677         EFFECT_TE_SUPERSPIKEQUAD,
1678         EFFECT_TE_WIZSPIKE,
1679         EFFECT_TE_KNIGHTSPIKE,
1680         EFFECT_TE_EXPLOSION,
1681         EFFECT_TE_EXPLOSIONQUAD,
1682         EFFECT_TE_TAREXPLOSION,
1683         EFFECT_TE_TELEPORT,
1684         EFFECT_TE_LAVASPLASH,
1685         EFFECT_TE_SMALLFLASH,
1686         EFFECT_TE_FLAMEJET,
1687         EFFECT_EF_FLAME,
1688         EFFECT_TE_BLOOD,
1689         EFFECT_TE_SPARK,
1690         EFFECT_TE_PLASMABURN,
1691         EFFECT_TE_TEI_G3,
1692         EFFECT_TE_TEI_SMOKE,
1693         EFFECT_TE_TEI_BIGEXPLOSION,
1694         EFFECT_TE_TEI_PLASMAHIT,
1695         EFFECT_EF_STARDUST,
1696         EFFECT_TR_ROCKET,
1697         EFFECT_TR_GRENADE,
1698         EFFECT_TR_BLOOD,
1699         EFFECT_TR_WIZSPIKE,
1700         EFFECT_TR_SLIGHTBLOOD,
1701         EFFECT_TR_KNIGHTSPIKE,
1702         EFFECT_TR_VORESPIKE,
1703         EFFECT_TR_NEHAHRASMOKE,
1704         EFFECT_TR_NEXUIZPLASMA,
1705         EFFECT_TR_GLOWTRAIL,
1706         EFFECT_SVC_PARTICLE,
1707         EFFECT_TOTAL
1708 }
1709 effectnameindex_t;
1710
1711 int CL_ParticleEffectIndexForName(const char *name);
1712 const char *CL_ParticleEffectNameForIndex(int i);
1713 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);
1714 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]);
1715 void CL_ParseParticleEffect (void);
1716 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);
1717 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1718 void CL_EntityParticles (const entity_t *ent);
1719 void CL_ParticleExplosion (const vec3_t org);
1720 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1721 void R_NewExplosion(const vec3_t org);
1722
1723 void Debug_PolygonBegin(const char *picname, int flags);
1724 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1725 void Debug_PolygonEnd(void);
1726
1727 #include "cl_screen.h"
1728
1729 extern qboolean sb_showscores;
1730
1731 float RSurf_FogVertex(const vec3_t p);
1732 float RSurf_FogPoint(const vec3_t p);
1733
1734 typedef enum r_viewport_type_e
1735 {
1736         R_VIEWPORTTYPE_ORTHO,
1737         R_VIEWPORTTYPE_PERSPECTIVE,
1738         R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1739         R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1740         R_VIEWPORTTYPE_TOTAL
1741 }
1742 r_viewport_type_t;
1743
1744 typedef struct r_viewport_s
1745 {
1746         matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1747         matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1748         matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1749         int x;
1750         int y;
1751         int z;
1752         int width;
1753         int height;
1754         int depth;
1755         r_viewport_type_t type;
1756         float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1757 }
1758 r_viewport_t;
1759
1760 typedef struct r_refdef_view_s
1761 {
1762         // view information (changes multiple times per frame)
1763         // if any of these variables change then r_refdef.viewcache must be regenerated
1764         // by calling R_View_Update
1765         // (which also updates viewport, scissor, colormask)
1766
1767         // it is safe and expected to copy this into a structure on the stack and
1768         // call the renderer recursively, then restore from the stack afterward
1769         // (as long as R_View_Update is called)
1770
1771         // eye position information
1772         matrix4x4_t matrix, inverse_matrix;
1773         vec3_t origin;
1774         vec3_t forward;
1775         vec3_t left;
1776         vec3_t right;
1777         vec3_t up;
1778         int numfrustumplanes;
1779         mplane_t frustum[6];
1780         qboolean useclipplane;
1781         qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1782         mplane_t clipplane;
1783         float frustum_x, frustum_y;
1784         vec3_t frustumcorner[4];
1785         // if turned off it renders an ortho view
1786         int useperspective;
1787         float ortho_x, ortho_y;
1788
1789         // screen area to render in
1790         int x;
1791         int y;
1792         int z;
1793         int width;
1794         int height;
1795         int depth;
1796         r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1797
1798         // which color components to allow (for anaglyph glasses)
1799         int colormask[4];
1800
1801         // global RGB color multiplier for rendering
1802         float colorscale;
1803
1804         // whether to call R_ClearScreen before rendering stuff
1805         qboolean clear;
1806         // if true, don't clear or do any post process effects (bloom, etc)
1807         qboolean isoverlay;
1808         // if true, this is the MAIN view (which is, after CSQC, copied into the scene for use e.g. by r_speeds 1, showtex, prydon cursor)
1809         qboolean ismain;
1810
1811         // whether to draw r_showtris and such, this is only true for the main
1812         // view render, all secondary renders (mirrors, portals, cameras,
1813         // distortion effects, etc) omit such debugging information
1814         qboolean showdebug;
1815
1816         // these define which values to use in GL_CullFace calls to request frontface or backface culling
1817         int cullface_front;
1818         int cullface_back;
1819
1820         // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1821         float quality;
1822 }
1823 r_refdef_view_t;
1824
1825 typedef struct r_refdef_viewcache_s
1826 {
1827         // updated by gl_main_newmap()
1828         int maxentities;
1829         int world_numclusters;
1830         int world_numclusterbytes;
1831         int world_numleafs;
1832         int world_numsurfaces;
1833
1834         // these properties are generated by R_View_Update()
1835
1836         // which entities are currently visible for this viewpoint
1837         // (the used range is 0...r_refdef.scene.numentities)
1838         unsigned char *entityvisible;
1839
1840         // flag arrays used for visibility checking on world model
1841         // (all other entities have no per-surface/per-leaf visibility checks)
1842         unsigned char *world_pvsbits;
1843         unsigned char *world_leafvisible;
1844         unsigned char *world_surfacevisible;
1845         // if true, the view is currently in a leaf without pvs data
1846         qboolean world_novis;
1847 }
1848 r_refdef_viewcache_t;
1849
1850 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1851 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1852 typedef struct r_refdef_scene_s {
1853         // whether to call S_ExtraUpdate during render to reduce sound chop
1854         qboolean extraupdate;
1855
1856         // (client gameworld) time for rendering time based effects
1857         double time;
1858
1859         // the world
1860         entity_render_t *worldentity;
1861
1862         // same as worldentity->model
1863         dp_model_t *worldmodel;
1864
1865         // renderable entities (excluding world)
1866         entity_render_t **entities;
1867         int numentities;
1868         int maxentities;
1869
1870         // field of temporary entities that is reset each (client) frame
1871         entity_render_t *tempentities;
1872         int numtempentities;
1873         int maxtempentities;
1874         qboolean expandtempentities;
1875
1876         // renderable dynamic lights
1877         rtlight_t *lights[MAX_DLIGHTS];
1878         rtlight_t templights[MAX_DLIGHTS];
1879         int numlights;
1880
1881         // intensities for light styles right now, controls rtlights
1882         float rtlightstylevalue[MAX_LIGHTSTYLES];       // float fraction of base light value
1883         // 8.8bit fixed point intensities for light styles
1884         // controls intensity lightmap layers
1885         unsigned short lightstylevalue[MAX_LIGHTSTYLES];        // 8.8 fraction of base light value
1886
1887         float ambient;
1888
1889         qboolean rtworld;
1890         qboolean rtworldshadows;
1891         qboolean rtdlight;
1892         qboolean rtdlightshadows;
1893 } r_refdef_scene_t;
1894
1895 typedef struct r_refdef_s
1896 {
1897         // these fields define the basic rendering information for the world
1898         // but not the view, which could change multiple times in one rendered
1899         // frame (for example when rendering textures for certain effects)
1900
1901         // these are set for water warping before
1902         // frustum_x/frustum_y are calculated
1903         float frustumscale_x, frustumscale_y;
1904
1905         // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1906         r_refdef_view_t view;
1907         r_refdef_viewcache_t viewcache;
1908
1909         // minimum visible distance (pixels closer than this disappear)
1910         double nearclip;
1911         // maximum visible distance (pixels further than this disappear in 16bpp modes,
1912         // in 32bpp an infinite-farclip matrix is used instead)
1913         double farclip;
1914
1915         // fullscreen color blend
1916         float viewblend[4];
1917
1918         r_refdef_scene_t scene;
1919
1920         float fogplane[4];
1921         float fogplaneviewdist;
1922         qboolean fogplaneviewabove;
1923         float fogheightfade;
1924         float fogcolor[3];
1925         float fogrange;
1926         float fograngerecip;
1927         float fogmasktabledistmultiplier;
1928 #define FOGMASKTABLEWIDTH 1024
1929         float fogmasktable[FOGMASKTABLEWIDTH];
1930         float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1931         float fog_density;
1932         float fog_red;
1933         float fog_green;
1934         float fog_blue;
1935         float fog_alpha;
1936         float fog_start;
1937         float fog_end;
1938         float fog_height;
1939         float fog_fadedepth;
1940         qboolean fogenabled;
1941         qboolean oldgl_fogenable;
1942
1943         // new flexible texture height fog (overrides normal fog)
1944         char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1945         unsigned char *fog_height_table1d;
1946         unsigned char *fog_height_table2d;
1947         int fog_height_tablesize; // enable
1948         float fog_height_tablescale;
1949         float fog_height_texcoordscale;
1950         char fogheighttexturename[64]; // detects changes to active fog height texture
1951
1952         int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1953
1954         // true during envmap command capture
1955         qboolean envmap;
1956
1957         // brightness of world lightmaps and related lighting
1958         // (often reduced when world rtlights are enabled)
1959         float lightmapintensity;
1960         // whether to draw world lights realtime, dlights realtime, and their shadows
1961         float polygonfactor;
1962         float polygonoffset;
1963         float shadowpolygonfactor;
1964         float shadowpolygonoffset;
1965
1966         // how long R_RenderView took on the previous frame
1967         double lastdrawscreentime;
1968
1969         // rendering stats for r_speeds display
1970         // (these are incremented in many places)
1971         int stats[r_stat_count];
1972 }
1973 r_refdef_t;
1974
1975 extern r_refdef_t r_refdef;
1976
1977 typedef enum waterlevel_e
1978 {
1979         WATERLEVEL_NONE,
1980         WATERLEVEL_WETFEET,
1981         WATERLEVEL_SWIMMING,
1982         WATERLEVEL_SUBMERGED
1983 }
1984 waterlevel_t;
1985
1986 typedef struct cl_clientmovement_state_s
1987 {
1988         // entity to be ignored for movement
1989         struct prvm_edict_s *self;
1990         // position
1991         vec3_t origin;
1992         vec3_t velocity;
1993         // current bounding box (different if crouched vs standing)
1994         vec3_t mins;
1995         vec3_t maxs;
1996         // currently on the ground
1997         qboolean onground;
1998         // currently crouching
1999         qboolean crouched;
2000         // what kind of water (SUPERCONTENTS_LAVA for instance)
2001         int watertype;
2002         // how deep
2003         waterlevel_t waterlevel;
2004         // weird hacks when jumping out of water
2005         // (this is in seconds and counts down to 0)
2006         float waterjumptime;
2007
2008         // user command
2009         usercmd_t cmd;
2010 }
2011 cl_clientmovement_state_t;
2012 void CL_ClientMovement_PlayerMove_Frame(cl_clientmovement_state_t *s);
2013
2014 // warpzone prediction hack (CSQC builtin)
2015 void CL_RotateMoves(const matrix4x4_t *m);
2016
2017 void CL_NewFrameReceived(int num);
2018 void CL_ParseEntityLump(char *entitystring);
2019 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
2020 void CL_RelinkLightFlashes(void);
2021 void Sbar_ShowFPS(void);
2022 void Sbar_ShowFPS_Update(void);
2023 void Host_SaveConfig(void);
2024 void Host_LoadConfig_f(void);
2025 void CL_UpdateMoveVars(void);
2026 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length);
2027 void V_DriftPitch(void);
2028 void V_FadeViewFlashs(void);
2029 void V_CalcViewBlend(void);
2030 void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewangles, qboolean teleported, qboolean clonground, qboolean clcmdjump, float clstatsviewheight, qboolean cldead, qboolean clintermission, const vec3_t clvelocity);
2031 void V_CalcRefdef(void);
2032 void CL_Locs_Reload_f(void);
2033
2034 #endif
2035