83b171cf874e709f24408c73019c851ae1fa4ce3
[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         r_meshbuffer_t *animcache_vertex3f_vertexbuffer;
544         int             animcache_vertex3f_bufferoffset;
545         float          *animcache_normal3f;
546         r_meshbuffer_t *animcache_normal3f_vertexbuffer;
547         int             animcache_normal3f_bufferoffset;
548         float          *animcache_svector3f;
549         r_meshbuffer_t *animcache_svector3f_vertexbuffer;
550         int             animcache_svector3f_bufferoffset;
551         float          *animcache_tvector3f;
552         r_meshbuffer_t *animcache_tvector3f_vertexbuffer;
553         int             animcache_tvector3f_bufferoffset;
554         // interleaved arrays for rendering and dynamic vertex buffers for them
555         r_vertexmesh_t *animcache_vertexmesh;
556         r_meshbuffer_t *animcache_vertexmesh_vertexbuffer;
557         int             animcache_vertexmesh_bufferoffset;
558         // gpu-skinning shader needs transforms in a certain format, we have to
559         // upload this to a uniform buffer for the shader to use, and also keep a
560         // backup copy in system memory for the dynamic batch fallback code
561         // if this is not NULL, the other animcache variables are NULL
562         float *animcache_skeletaltransform3x4;
563         r_meshbuffer_t *animcache_skeletaltransform3x4buffer;
564         int animcache_skeletaltransform3x4offset;
565         int animcache_skeletaltransform3x4size;
566
567         // current lighting from map (updated ONLY by client code, not renderer)
568         vec3_t modellight_ambient;
569         vec3_t modellight_diffuse; // q3bsp
570         vec3_t modellight_lightdir; // q3bsp
571
572         // storage of decals on this entity
573         // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
574         int allowdecals;
575         decalsystem_t decalsystem;
576
577         // FIELDS UPDATED BY RENDERER:
578         // last time visible during trace culling
579         double last_trace_visibility;
580
581         // user wavefunc parameters (from csqc)
582         vec_t userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
583 }
584 entity_render_t;
585
586 typedef struct entity_persistent_s
587 {
588         vec3_t trail_origin; // previous position for particle trail spawning
589         vec3_t oldorigin; // lerp
590         vec3_t oldangles; // lerp
591         vec3_t neworigin; // lerp
592         vec3_t newangles; // lerp
593         vec_t lerpstarttime; // lerp
594         vec_t lerpdeltatime; // lerp
595         float muzzleflash; // muzzleflash intensity, fades over time
596         float trail_time; // residual error accumulation for particle trail spawning (to keep spacing across frames)
597         qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
598 }
599 entity_persistent_t;
600
601 typedef struct entity_s
602 {
603         // baseline state (default values)
604         entity_state_t state_baseline;
605         // previous state (interpolating from this)
606         entity_state_t state_previous;
607         // current state (interpolating to this)
608         entity_state_t state_current;
609
610         // used for regenerating parts of render
611         entity_persistent_t persistent;
612
613         // the only data the renderer should know about
614         entity_render_t render;
615 }
616 entity_t;
617
618 typedef struct usercmd_s
619 {
620         vec3_t  viewangles;
621
622 // intended velocities
623         float   forwardmove;
624         float   sidemove;
625         float   upmove;
626
627         vec3_t  cursor_screen;
628         vec3_t  cursor_start;
629         vec3_t  cursor_end;
630         vec3_t  cursor_impact;
631         vec3_t  cursor_normal;
632         vec_t   cursor_fraction;
633         int             cursor_entitynumber;
634
635         double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
636         double receivetime; // time the move was received at
637         double clienttime; // time to which server state the move corresponds to
638         int msec; // for predicted moves
639         int buttons;
640         int impulse;
641         int sequence;
642         qboolean applied; // if false we're still accumulating a move
643         qboolean predicted; // if true the sequence should be sent as 0
644
645         // derived properties
646         double frametime;
647         qboolean canjump;
648         qboolean jump;
649         qboolean crouch;
650 } usercmd_t;
651
652 typedef struct lightstyle_s
653 {
654         int             length;
655         char    map[MAX_STYLESTRING];
656 } lightstyle_t;
657
658 typedef struct scoreboard_s
659 {
660         char    name[MAX_SCOREBOARDNAME];
661         int             frags;
662         int             colors; // two 4 bit fields
663         // QW fields:
664         int             qw_userid;
665         char    qw_userinfo[MAX_USERINFO_STRING];
666         float   qw_entertime;
667         int             qw_ping;
668         int             qw_packetloss;
669         int             qw_movementloss;
670         int             qw_spectator;
671         char    qw_team[8];
672         char    qw_skin[MAX_QPATH];
673 } scoreboard_t;
674
675 typedef struct cshift_s
676 {
677         float   destcolor[3];
678         float   percent;                // 0-255
679         float   alphafade;      // (any speed)
680 } cshift_t;
681
682 #define CSHIFT_CONTENTS 0
683 #define CSHIFT_DAMAGE   1
684 #define CSHIFT_BONUS    2
685 #define CSHIFT_POWERUP  3
686 #define CSHIFT_VCSHIFT  4
687 #define NUM_CSHIFTS             5
688
689 #define NAME_LENGTH     64
690
691
692 //
693 // client_state_t should hold all pieces of the client state
694 //
695
696 #define SIGNONS         4                       // signon messages to receive before connected
697
698 typedef enum cactive_e
699 {
700         ca_uninitialized,       // during early startup
701         ca_dedicated,           // a dedicated server with no ability to start a client
702         ca_disconnected,        // full screen console with no connection
703         ca_connected            // valid netcon, talking to a server
704 }
705 cactive_t;
706
707 typedef enum qw_downloadtype_e
708 {
709         dl_none,
710         dl_single,
711         dl_skin,
712         dl_model,
713         dl_sound
714 }
715 qw_downloadtype_t;
716
717 typedef enum capturevideoformat_e
718 {
719         CAPTUREVIDEOFORMAT_AVI_I420,
720         CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
721 }
722 capturevideoformat_t;
723
724 typedef struct capturevideostate_s
725 {
726         double startrealtime;
727         double framerate;
728         int framestep;
729         int framestepframe;
730         qboolean active;
731         qboolean realtime;
732         qboolean error;
733         int soundrate;
734         int soundchannels;
735         int frame;
736         double starttime;
737         double lastfpstime;
738         int lastfpsframe;
739         int soundsampleframe;
740         unsigned char *screenbuffer;
741         unsigned char *outbuffer;
742         char basename[MAX_QPATH];
743         int width, height;
744
745         // precomputed RGB to YUV tables
746         // converts the RGB values to YUV (see cap_avi.c for how to use them)
747         short rgbtoyuvscaletable[3][3][256];
748         unsigned char yuvnormalizetable[3][256];
749
750         // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
751         // 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
752         unsigned short vidramp[256 * 3];
753
754         // stuff to be filled in by the video format module
755         capturevideoformat_t format;
756         const char *formatextension;
757         qfile_t *videofile;
758                 // always use this:
759                 //   cls.capturevideo.videofile = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
760         void (*endvideo) (void);
761         void (*videoframes) (int num);
762         void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
763
764         // format specific data
765         void *formatspecific;
766 }
767 capturevideostate_t;
768
769 #define CL_MAX_DOWNLOADACKS 4
770
771 typedef struct cl_downloadack_s
772 {
773         int start, size;
774 }
775 cl_downloadack_t;
776
777 typedef struct cl_soundstats_s
778 {
779         int mixedsounds;
780         int totalsounds;
781         int latency_milliseconds;
782 }
783 cl_soundstats_t;
784
785 //
786 // the client_static_t structure is persistent through an arbitrary number
787 // of server connections
788 //
789 typedef struct client_static_s
790 {
791         cactive_t state;
792
793         // all client memory allocations go in these pools
794         mempool_t *levelmempool;
795         mempool_t *permanentmempool;
796
797 // demo loop control
798         // -1 = don't play demos
799         int demonum;
800         // list of demos in loop
801         char demos[MAX_DEMOS][MAX_DEMONAME];
802         // the actively playing demo (set by CL_PlayDemo_f)
803         char demoname[MAX_QPATH];
804
805 // demo recording info must be here, because record is started before
806 // entering a map (and clearing client_state_t)
807         qboolean demorecording;
808         fs_offset_t demo_lastcsprogssize;
809         int demo_lastcsprogscrc;
810         qboolean demoplayback;
811         qboolean demostarting; // set if currently starting a demo, to stop -demo from quitting when switching to another demo
812         qboolean timedemo;
813         // -1 = use normal cd track
814         int forcetrack;
815         qfile_t *demofile;
816         // realtime at second frame of timedemo (LordHavoc: changed to double)
817         double td_starttime;
818         int td_frames; // total frames parsed
819         double td_onesecondnexttime;
820         double td_onesecondframes;
821         double td_onesecondrealtime;
822         double td_onesecondminfps;
823         double td_onesecondmaxfps;
824         double td_onesecondavgfps;
825         int td_onesecondavgcount;
826         // LordHavoc: pausedemo
827         qboolean demopaused;
828
829         // sound mixer statistics for showsound display
830         cl_soundstats_t soundstats;
831
832         qboolean connect_trying;
833         int connect_remainingtries;
834         double connect_nextsendtime;
835         lhnetsocket_t *connect_mysocket;
836         lhnetaddress_t connect_address;
837         // protocol version of the server we're connected to
838         // (kept outside client_state_t because it's used between levels)
839         protocolversion_t protocol;
840
841 #define MAX_RCONS 16
842         int rcon_trying;
843         lhnetaddress_t rcon_addresses[MAX_RCONS];
844         char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
845         double rcon_timeout[MAX_RCONS];
846         int rcon_ringpos;
847
848 // connection information
849         // 0 to SIGNONS
850         int signon;
851         // network connection
852         netconn_t *netcon;
853
854         // download information
855         // (note: qw_download variables are also used)
856         cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
857
858         // input sequence numbers are not reset on level change, only connect
859         int movesequence;
860         int servermovesequence;
861
862         // quakeworld stuff below
863
864         // value of "qport" cvar at time of connection
865         int qw_qport;
866         // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
867         int qw_incoming_sequence;
868         int qw_outgoing_sequence;
869
870         // current file download buffer (only saved when file is completed)
871         char qw_downloadname[MAX_QPATH];
872         unsigned char *qw_downloadmemory;
873         int qw_downloadmemorycursize;
874         int qw_downloadmemorymaxsize;
875         int qw_downloadnumber;
876         int qw_downloadpercent;
877         qw_downloadtype_t qw_downloadtype;
878         // transfer rate display
879         double qw_downloadspeedtime;
880         int qw_downloadspeedcount;
881         int qw_downloadspeedrate;
882         qboolean qw_download_deflate;
883
884         // current file upload buffer (for uploading screenshots to server)
885         unsigned char *qw_uploaddata;
886         int qw_uploadsize;
887         int qw_uploadpos;
888
889         // user infostring
890         // this normally contains the following keys in quakeworld:
891         // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
892         char userinfo[MAX_USERINFO_STRING];
893
894         // extra user info for the "connect" command
895         char connect_userinfo[MAX_USERINFO_STRING];
896
897         // video capture stuff
898         capturevideostate_t capturevideo;
899
900         // crypto channel
901         crypto_t crypto;
902
903         // ProQuake compatibility stuff
904         int proquake_servermod; // 0 = not proquake, 1 = proquake
905         int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
906         int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
907
908         // don't write-then-read csprogs.dat (useful for demo playback)
909         unsigned char *caughtcsprogsdata;
910         fs_offset_t caughtcsprogsdatasize;
911
912         int r_speeds_graph_length;
913         int r_speeds_graph_current;
914         int *r_speeds_graph_data;
915
916         // graph scales
917         int r_speeds_graph_datamin[r_stat_count];
918         int r_speeds_graph_datamax[r_stat_count];
919 }
920 client_static_t;
921
922 extern client_static_t  cls;
923
924 typedef struct client_movementqueue_s
925 {
926         double time;
927         float frametime;
928         int sequence;
929         float viewangles[3];
930         float move[3];
931         qboolean jump;
932         qboolean crouch;
933         qboolean canjump;
934 }
935 client_movementqueue_t;
936
937 //[515]: csqc
938 typedef struct
939 {
940         qboolean drawworld;
941         qboolean drawenginesbar;
942         qboolean drawcrosshair;
943 }csqc_vidvars_t;
944
945 typedef enum
946 {
947         PARTICLE_BILLBOARD = 0,
948         PARTICLE_SPARK = 1,
949         PARTICLE_ORIENTED_DOUBLESIDED = 2,
950         PARTICLE_VBEAM = 3,
951         PARTICLE_HBEAM = 4,
952         PARTICLE_INVALID = -1
953 }
954 porientation_t;
955
956 typedef enum
957 {
958         PBLEND_ALPHA = 0,
959         PBLEND_ADD = 1,
960         PBLEND_INVMOD = 2,
961         PBLEND_INVALID = -1
962 }
963 pblend_t;
964
965 typedef struct particletype_s
966 {
967         pblend_t blendmode;
968         porientation_t orientation;
969         qboolean lighting;
970 }
971 particletype_t;
972
973 typedef enum ptype_e
974 {
975         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
976 }
977 ptype_t;
978
979 typedef struct decal_s
980 {
981         // fields used by rendering:  (44 bytes)
982         unsigned short  typeindex;
983         unsigned short  texnum;
984         int                             decalsequence;
985         vec3_t                  org;
986         vec3_t                  normal;
987         float                   size;
988         float                   alpha; // 0-255
989         unsigned char   color[3];
990         unsigned char   unused1;
991         int                             clusterindex; // cheap culling by pvs
992
993         // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
994         float                   time2; // used for decal fade
995         unsigned int    owner; // decal stuck to this entity
996         dp_model_t                      *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
997         vec3_t                  relativeorigin; // decal at this location in entity's coordinate space
998         vec3_t                  relativenormal; // decal oriented this way relative to entity's coordinate space
999 }
1000 decal_t;
1001
1002 typedef struct particle_s
1003 {
1004         // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
1005
1006         // fields used by rendering: (48 bytes)
1007         vec3_t          sortorigin; // sort by this group origin, not particle org
1008         vec3_t          org;
1009         vec3_t          vel; // velocity of particle, or orientation of decal, or end point of beam
1010         float           size;
1011         float           alpha; // 0-255
1012         float           stretch; // only for sparks
1013
1014         // fields not used by rendering:  (44 bytes)
1015         float           stainsize;
1016         float           stainalpha;
1017         float           sizeincrease; // rate of size change per second
1018         float           alphafade; // how much alpha reduces per second
1019         float           time2; // used for snow fluttering and decal fade
1020         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)
1021         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
1022         float           airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
1023         float           liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
1024 //      float           delayedcollisions; // time that p->bounce becomes active
1025         float           delayedspawn; // time that particle appears and begins moving
1026         float           die; // time when this particle should be removed, regardless of alpha
1027
1028         // short variables grouped to save memory (4 bytes)
1029         short                   angle; // base rotation of particle
1030         short                   spin; // geometry rotation speed around the particle center normal
1031
1032         // byte variables grouped to save memory (12 bytes)
1033         unsigned char   color[3];
1034         unsigned char   qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
1035         unsigned char   typeindex;
1036         unsigned char   blendmode;
1037         unsigned char   orientation;
1038         unsigned char   texnum;
1039         unsigned char   staincolor[3];
1040         signed char     staintexnum;
1041 }
1042 particle_t;
1043
1044 typedef enum cl_parsingtextmode_e
1045 {
1046         CL_PARSETEXTMODE_NONE,
1047         CL_PARSETEXTMODE_PING,
1048         CL_PARSETEXTMODE_STATUS,
1049         CL_PARSETEXTMODE_STATUS_PLAYERID,
1050         CL_PARSETEXTMODE_STATUS_PLAYERIP
1051 }
1052 cl_parsingtextmode_t;
1053
1054 typedef struct cl_locnode_s
1055 {
1056         struct cl_locnode_s *next;
1057         char *name;
1058         vec3_t mins, maxs;
1059 }
1060 cl_locnode_t;
1061
1062 typedef struct showlmp_s
1063 {
1064         qboolean        isactive;
1065         float           x;
1066         float           y;
1067         char            label[32];
1068         char            pic[128];
1069 }
1070 showlmp_t;
1071
1072 //
1073 // the client_state_t structure is wiped completely at every
1074 // server signon
1075 //
1076 typedef struct client_state_s
1077 {
1078         // true if playing in a local game and no one else is connected
1079         int islocalgame;
1080
1081         // send a clc_nop periodically until connected
1082         float sendnoptime;
1083
1084         // current input being accumulated by mouse/joystick/etc input
1085         usercmd_t cmd;
1086         // latest moves sent to the server that have not been confirmed yet
1087         usercmd_t movecmd[CL_MAX_USERCMDS];
1088
1089 // information for local display
1090         // health, etc
1091         int stats[MAX_CL_STATS];
1092         float *statsf; // points to stats[] array
1093         // last known inventory bit flags, for blinking
1094         int olditems;
1095         // cl.time of acquiring item, for blinking
1096         float item_gettime[32];
1097         // last known STAT_ACTIVEWEAPON
1098         int activeweapon;
1099         // cl.time of changing STAT_ACTIVEWEAPON
1100         float weapontime;
1101         // use pain anim frame if cl.time < this
1102         float faceanimtime;
1103         // for stair smoothing
1104         float stairsmoothz;
1105         double stairsmoothtime;
1106
1107         // color shifts for damage, powerups
1108         cshift_t cshifts[NUM_CSHIFTS];
1109         // and content types
1110         cshift_t prev_cshifts[NUM_CSHIFTS];
1111
1112 // the client maintains its own idea of view angles, which are
1113 // sent to the server each frame.  The server sets punchangle when
1114 // the view is temporarily offset, and an angle reset commands at the start
1115 // of each level and after teleporting.
1116
1117         // mviewangles is read from demo
1118         // viewangles is either client controlled or lerped from mviewangles
1119         vec3_t mviewangles[2], viewangles;
1120         // update by server, used by qc to do weapon recoil
1121         vec3_t mpunchangle[2], punchangle;
1122         // update by server, can be used by mods to kick view around
1123         vec3_t mpunchvector[2], punchvector;
1124         // update by server, used for lean+bob (0 is newest)
1125         vec3_t mvelocity[2], velocity;
1126         // update by server, can be used by mods for zooming
1127         vec_t mviewzoom[2], viewzoom;
1128         // if true interpolation the mviewangles and other interpolation of the
1129         // player is disabled until the next network packet
1130         // this is used primarily by teleporters, and when spectating players
1131         // special checking of the old fixangle[1] is used to differentiate
1132         // between teleporting and spectating
1133         qboolean fixangle[2];
1134
1135         // client movement simulation
1136         // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
1137         // set by CL_ClientMovement_Replay functions
1138         qboolean movement_predicted;
1139         // if true the CL_ClientMovement_Replay function will update origin, etc
1140         qboolean movement_replay;
1141         // simulated data (this is valid even if cl.movement is false)
1142         vec3_t movement_origin;
1143         vec3_t movement_velocity;
1144         // whether the replay should allow a jump at the first sequence
1145         qboolean movement_replay_canjump;
1146
1147         // previous gun angles (for leaning effects)
1148         vec3_t gunangles_prev;
1149         vec3_t gunangles_highpass;
1150         vec3_t gunangles_adjustment_lowpass;
1151         vec3_t gunangles_adjustment_highpass;
1152         // previous gun angles (for leaning effects)
1153         vec3_t gunorg_prev;
1154         vec3_t gunorg_highpass;
1155         vec3_t gunorg_adjustment_lowpass;
1156         vec3_t gunorg_adjustment_highpass;
1157
1158 // pitch drifting vars
1159         float idealpitch;
1160         float pitchvel;
1161         qboolean nodrift;
1162         float driftmove;
1163         double laststop;
1164
1165 //[515]: added for csqc purposes
1166         float sensitivityscale;
1167         csqc_vidvars_t csqc_vidvars;    //[515]: these parms must be set to true by default
1168         qboolean csqc_wantsmousemove;
1169         qboolean csqc_paused; // vortex: int because could be flags
1170         struct model_s *csqc_model_precache[MAX_MODELS];
1171
1172         // local amount for smoothing stepups
1173         //float crouch;
1174
1175         // sent by server
1176         qboolean paused;
1177         qboolean onground;
1178         qboolean inwater;
1179
1180         // used by bob
1181         qboolean oldonground;
1182         double lastongroundtime;
1183         double hitgroundtime;
1184         float bob2_smooth;
1185         float bobfall_speed;
1186         float bobfall_swing;
1187         double calcrefdef_prevtime;
1188
1189         // don't change view angle, full screen, etc
1190         int intermission;
1191         // latched at intermission start
1192         double completed_time;
1193
1194         // the timestamp of the last two messages
1195         double mtime[2];
1196
1197         // clients view of time, time should be between mtime[0] and mtime[1] to
1198         // generate a lerp point for other data, oldtime is the previous frame's
1199         // value of time, frametime is the difference between time and oldtime
1200         // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1201         // is only forcefully limited when a packet is received
1202         double time, oldtime;
1203         // how long it has been since the previous client frame in real time
1204         // (not game time, for that use cl.time - cl.oldtime)
1205         double realframetime;
1206         
1207         // fade var for fading while dead
1208         float deathfade;
1209
1210         // motionblur alpha level variable
1211         float motionbluralpha;
1212
1213         // copy of realtime from last recieved message, for net trouble icon
1214         float last_received_message;
1215
1216 // information that is static for the entire time connected to a server
1217         struct model_s *model_precache[MAX_MODELS];
1218         struct sfx_s *sound_precache[MAX_SOUNDS];
1219
1220         // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1221         char model_name[MAX_MODELS][MAX_QPATH];
1222         char sound_name[MAX_SOUNDS][MAX_QPATH];
1223
1224         // for display on solo scoreboard
1225         char worldmessage[40]; // map title (not related to filename)
1226         // variants of map name
1227         char worldbasename[MAX_QPATH]; // %s
1228         char worldname[MAX_QPATH]; // maps/%s.bsp
1229         char worldnamenoextension[MAX_QPATH]; // maps/%s
1230         // cl_entitites[cl.viewentity] = player
1231         int viewentity;
1232         // the real player entity (normally same as viewentity,
1233         // different than viewentity if mod uses chasecam or other tricks)
1234         int realplayerentity;
1235         // this is updated to match cl.viewentity whenever it is in the clients
1236         // range, basically this is used in preference to cl.realplayerentity for
1237         // most purposes because when spectating another player it should show
1238         // their information rather than yours
1239         int playerentity;
1240         // max players that can be in this game
1241         int maxclients;
1242         // type of game (deathmatch, coop, singleplayer)
1243         int gametype;
1244
1245         // models and sounds used by engine code (particularly cl_parse.c)
1246         dp_model_t *model_bolt;
1247         dp_model_t *model_bolt2;
1248         dp_model_t *model_bolt3;
1249         dp_model_t *model_beam;
1250         sfx_t *sfx_wizhit;
1251         sfx_t *sfx_knighthit;
1252         sfx_t *sfx_tink1;
1253         sfx_t *sfx_ric1;
1254         sfx_t *sfx_ric2;
1255         sfx_t *sfx_ric3;
1256         sfx_t *sfx_r_exp3;
1257         // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1258         qboolean foundtalk2wav;
1259
1260 // refresh related state
1261
1262         // cl_entitites[0].model
1263         struct model_s *worldmodel;
1264
1265         // the gun model
1266         entity_t viewent;
1267
1268         // cd audio
1269         int cdtrack, looptrack;
1270
1271 // frag scoreboard
1272
1273         // [cl.maxclients]
1274         scoreboard_t *scores;
1275
1276         // keep track of svc_print parsing state (analyzes ping reports and status reports)
1277         cl_parsingtextmode_t parsingtextmode;
1278         int parsingtextplayerindex;
1279         // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1280         // (which could eat the wrong ping report if the player issues one
1281         //  manually, but they would still see a ping report, just a later one
1282         //  caused by the scoreboard code rather than the one they intentionally
1283         //  issued)
1284         int parsingtextexpectingpingforscores;
1285
1286         // entity database stuff
1287         // latest received entity frame numbers
1288 #define LATESTFRAMENUMS 32
1289         int latestframenumsposition;
1290         int latestframenums[LATESTFRAMENUMS];
1291         int latestsendnums[LATESTFRAMENUMS];
1292         entityframe_database_t *entitydatabase;
1293         entityframe4_database_t *entitydatabase4;
1294         entityframeqw_database_t *entitydatabaseqw;
1295
1296         // keep track of quake entities because they need to be killed if they get stale
1297         int lastquakeentity;
1298         unsigned char isquakeentity[MAX_EDICTS];
1299
1300         // bounding boxes for clientside movement
1301         vec3_t playerstandmins;
1302         vec3_t playerstandmaxs;
1303         vec3_t playercrouchmins;
1304         vec3_t playercrouchmaxs;
1305
1306         // old decals are killed based on this
1307         int decalsequence;
1308
1309         int max_entities;
1310         int max_csqcrenderentities;
1311         int max_static_entities;
1312         int max_effects;
1313         int max_beams;
1314         int max_dlights;
1315         int max_lightstyle;
1316         int max_brushmodel_entities;
1317         int max_particles;
1318         int max_decals;
1319         int max_showlmps;
1320
1321         entity_t *entities;
1322         entity_render_t *csqcrenderentities;
1323         unsigned char *entities_active;
1324         entity_t *static_entities;
1325         cl_effect_t *effects;
1326         beam_t *beams;
1327         dlight_t *dlights;
1328         lightstyle_t *lightstyle;
1329         int *brushmodel_entities;
1330         particle_t *particles;
1331         decal_t *decals;
1332         showlmp_t *showlmps;
1333
1334         int num_entities;
1335         int num_static_entities;
1336         int num_brushmodel_entities;
1337         int num_effects;
1338         int num_beams;
1339         int num_dlights;
1340         int num_particles;
1341         int num_decals;
1342         int num_showlmps;
1343
1344         double particles_updatetime;
1345         double decals_updatetime;
1346         int free_particle;
1347         int free_decal;
1348
1349         // cl_serverextension_download feature
1350         int loadmodel_current;
1351         int downloadmodel_current;
1352         int loadmodel_total;
1353         int loadsound_current;
1354         int downloadsound_current;
1355         int loadsound_total;
1356         qboolean downloadcsqc;
1357         qboolean loadcsqc;
1358         qboolean loadbegun;
1359         qboolean loadfinished;
1360
1361         // quakeworld stuff
1362
1363         // local copy of the server infostring
1364         char qw_serverinfo[MAX_SERVERINFO_STRING];
1365
1366         // time of last qw "pings" command sent to server while showing scores
1367         double last_ping_request;
1368
1369         // used during connect
1370         int qw_servercount;
1371
1372         // updated from serverinfo
1373         int qw_teamplay;
1374
1375         // unused: indicates whether the player is spectating
1376         // use cl.scores[cl.playerentity-1].qw_spectator instead
1377         //qboolean qw_spectator;
1378
1379         // last time an input packet was sent
1380         double lastpackettime;
1381
1382         // movement parameters for client prediction
1383         unsigned int moveflags;
1384         float movevars_wallfriction;
1385         float movevars_waterfriction;
1386         float movevars_friction;
1387         float movevars_timescale;
1388         float movevars_gravity;
1389         float movevars_stopspeed;
1390         float movevars_maxspeed;
1391         float movevars_spectatormaxspeed;
1392         float movevars_accelerate;
1393         float movevars_airaccelerate;
1394         float movevars_wateraccelerate;
1395         float movevars_entgravity;
1396         float movevars_jumpvelocity;
1397         float movevars_edgefriction;
1398         float movevars_maxairspeed;
1399         float movevars_stepheight;
1400         float movevars_airaccel_qw;
1401         float movevars_airaccel_qw_stretchfactor;
1402         float movevars_airaccel_sideways_friction;
1403         float movevars_airstopaccelerate;
1404         float movevars_airstrafeaccelerate;
1405         float movevars_maxairstrafespeed;
1406         float movevars_airstrafeaccel_qw;
1407         float movevars_aircontrol;
1408         float movevars_aircontrol_power;
1409         float movevars_aircontrol_penalty;
1410         float movevars_warsowbunny_airforwardaccel;
1411         float movevars_warsowbunny_accel;
1412         float movevars_warsowbunny_topspeed;
1413         float movevars_warsowbunny_turnaccel;
1414         float movevars_warsowbunny_backtosideratio;
1415         float movevars_ticrate;
1416         float movevars_airspeedlimit_nonqw;
1417
1418         // models used by qw protocol
1419         int qw_modelindex_spike;
1420         int qw_modelindex_player;
1421         int qw_modelindex_flag;
1422         int qw_modelindex_s_explod;
1423
1424         vec3_t qw_intermission_origin;
1425         vec3_t qw_intermission_angles;
1426
1427         // 255 is the most nails the QW protocol could send
1428         int qw_num_nails;
1429         vec_t qw_nails[255][6];
1430
1431         float qw_weaponkick;
1432
1433         int qw_validsequence;
1434
1435         int qw_deltasequence[QW_UPDATE_BACKUP];
1436
1437         // csqc stuff:
1438         // server entity number corresponding to a clientside entity
1439         unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1440         qboolean csqc_loaded;
1441         vec3_t csqc_vieworigin;
1442         vec3_t csqc_viewangles;
1443         vec3_t csqc_vieworiginfromengine;
1444         vec3_t csqc_viewanglesfromengine;
1445         matrix4x4_t csqc_viewmodelmatrixfromengine;
1446         qboolean csqc_usecsqclistener;
1447         matrix4x4_t csqc_listenermatrix;
1448         char csqc_printtextbuf[MAX_INPUTLINE];
1449
1450         // collision culling data
1451         world_t world;
1452
1453         // loc file stuff (points and boxes describing locations in the level)
1454         cl_locnode_t *locnodes;
1455         // this is updated to cl.movement_origin whenever health is < 1
1456         // used by %d print in say/say_team messages if cl_locs_enable is on
1457         vec3_t lastdeathorigin;
1458
1459         // processing buffer used by R_BuildLightMap, reallocated as needed,
1460         // freed on each level change
1461         size_t buildlightmapmemorysize;
1462         unsigned char *buildlightmapmemory;
1463
1464         // used by EntityState5_ReadUpdate
1465         skeleton_t *engineskeletonobjects;
1466 }
1467 client_state_t;
1468
1469 //
1470 // cvars
1471 //
1472 extern cvar_t cl_name;
1473 extern cvar_t cl_color;
1474 extern cvar_t cl_rate;
1475 extern cvar_t cl_rate_burstsize;
1476 extern cvar_t cl_pmodel;
1477 extern cvar_t cl_playermodel;
1478 extern cvar_t cl_playerskin;
1479
1480 extern cvar_t rcon_password;
1481 extern cvar_t rcon_address;
1482
1483 extern cvar_t cl_upspeed;
1484 extern cvar_t cl_forwardspeed;
1485 extern cvar_t cl_backspeed;
1486 extern cvar_t cl_sidespeed;
1487
1488 extern cvar_t cl_movespeedkey;
1489
1490 extern cvar_t cl_yawspeed;
1491 extern cvar_t cl_pitchspeed;
1492
1493 extern cvar_t cl_anglespeedkey;
1494
1495 extern cvar_t cl_autofire;
1496
1497 extern cvar_t cl_shownet;
1498 extern cvar_t cl_nolerp;
1499 extern cvar_t cl_nettimesyncfactor;
1500 extern cvar_t cl_nettimesyncboundmode;
1501 extern cvar_t cl_nettimesyncboundtolerance;
1502
1503 extern cvar_t cl_pitchdriftspeed;
1504 extern cvar_t lookspring;
1505 extern cvar_t lookstrafe;
1506 extern cvar_t sensitivity;
1507
1508 extern cvar_t freelook;
1509
1510 extern cvar_t m_pitch;
1511 extern cvar_t m_yaw;
1512 extern cvar_t m_forward;
1513 extern cvar_t m_side;
1514
1515 extern cvar_t cl_autodemo;
1516 extern cvar_t cl_autodemo_nameformat;
1517 extern cvar_t cl_autodemo_delete;
1518
1519 extern cvar_t r_draweffects;
1520
1521 extern cvar_t cl_explosions_alpha_start;
1522 extern cvar_t cl_explosions_alpha_end;
1523 extern cvar_t cl_explosions_size_start;
1524 extern cvar_t cl_explosions_size_end;
1525 extern cvar_t cl_explosions_lifetime;
1526 extern cvar_t cl_stainmaps;
1527 extern cvar_t cl_stainmaps_clearonload;
1528
1529 extern cvar_t cl_prydoncursor;
1530 extern cvar_t cl_prydoncursor_notrace;
1531
1532 extern cvar_t cl_locs_enable;
1533
1534 extern client_state_t cl;
1535
1536 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);
1537
1538 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1539 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1540
1541 //=============================================================================
1542
1543 //
1544 // cl_main
1545 //
1546
1547 void CL_Shutdown (void);
1548 void CL_Init (void);
1549
1550 void CL_EstablishConnection(const char *host, int firstarg);
1551
1552 void CL_Disconnect (void);
1553 void CL_Disconnect_f (void);
1554
1555 void CL_UpdateRenderEntity(entity_render_t *ent);
1556 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1557 void CL_UpdateViewEntities(void);
1558
1559 //
1560 // cl_input
1561 //
1562 typedef struct kbutton_s
1563 {
1564         int             down[2];                // key nums holding it down
1565         int             state;                  // low bit is down state
1566 }
1567 kbutton_t;
1568
1569 extern  kbutton_t       in_mlook, in_klook;
1570 extern  kbutton_t       in_strafe;
1571 extern  kbutton_t       in_speed;
1572
1573 void CL_InitInput (void);
1574 void CL_SendMove (void);
1575
1576 void CL_ValidateState(entity_state_t *s);
1577 void CL_MoveLerpEntityStates(entity_t *ent);
1578 void CL_LerpUpdate(entity_t *e);
1579 void CL_ParseTEnt (void);
1580 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1581 void CL_RelinkBeams (void);
1582 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1583 void CL_ClientMovement_Replay(void);
1584
1585 void CL_ClearTempEntities (void);
1586 entity_render_t *CL_NewTempEntity (double shadertime);
1587
1588 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1589
1590 void CL_ClearState (void);
1591 void CL_ExpandEntities(int num);
1592 void CL_ExpandCSQCRenderEntities(int num);
1593 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1594
1595
1596 void CL_UpdateWorld (void);
1597 void CL_WriteToServer (void);
1598 void CL_Input (void);
1599 extern int cl_ignoremousemoves;
1600
1601
1602 float CL_KeyState (kbutton_t *key);
1603 const char *Key_KeynumToString (int keynum, char *buf, size_t buflength);
1604 int Key_StringToKeynum (const char *str);
1605
1606 //
1607 // cl_demo.c
1608 //
1609 void CL_StopPlayback(void);
1610 void CL_ReadDemoMessage(void);
1611 void CL_WriteDemoMessage(sizebuf_t *mesage);
1612
1613 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1614 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1615
1616 void CL_NextDemo(void);
1617 void CL_Stop_f(void);
1618 void CL_Record_f(void);
1619 void CL_PlayDemo_f(void);
1620 void CL_TimeDemo_f(void);
1621
1622 //
1623 // cl_parse.c
1624 //
1625 void CL_Parse_Init(void);
1626 void CL_Parse_Shutdown(void);
1627 void CL_ParseServerMessage(void);
1628 void CL_Parse_DumpPacket(void);
1629 void CL_Parse_ErrorCleanUp(void);
1630 void QW_CL_StartUpload(unsigned char *data, int size);
1631 extern cvar_t qport;
1632 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1633
1634 //
1635 // view
1636 //
1637 void V_StartPitchDrift (void);
1638 void V_StopPitchDrift (void);
1639
1640 void V_Init (void);
1641 float V_CalcRoll (const vec3_t angles, const vec3_t velocity);
1642 void V_UpdateBlends (void);
1643 void V_ParseDamage (void);
1644
1645 //
1646 // cl_part
1647 //
1648
1649 extern cvar_t cl_particles;
1650 extern cvar_t cl_particles_quality;
1651 extern cvar_t cl_particles_size;
1652 extern cvar_t cl_particles_quake;
1653 extern cvar_t cl_particles_blood;
1654 extern cvar_t cl_particles_blood_alpha;
1655 extern cvar_t cl_particles_blood_decal_alpha;
1656 extern cvar_t cl_particles_blood_decal_scalemin;
1657 extern cvar_t cl_particles_blood_decal_scalemax;
1658 extern cvar_t cl_particles_blood_bloodhack;
1659 extern cvar_t cl_particles_bulletimpacts;
1660 extern cvar_t cl_particles_explosions_sparks;
1661 extern cvar_t cl_particles_explosions_shell;
1662 extern cvar_t cl_particles_rain;
1663 extern cvar_t cl_particles_snow;
1664 extern cvar_t cl_particles_smoke;
1665 extern cvar_t cl_particles_smoke_alpha;
1666 extern cvar_t cl_particles_smoke_alphafade;
1667 extern cvar_t cl_particles_sparks;
1668 extern cvar_t cl_particles_bubbles;
1669 extern cvar_t cl_decals;
1670 extern cvar_t cl_decals_time;
1671 extern cvar_t cl_decals_fadetime;
1672
1673 void CL_Particles_Clear(void);
1674 void CL_Particles_Init(void);
1675 void CL_Particles_Shutdown(void);
1676 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]);
1677
1678 typedef enum effectnameindex_s
1679 {
1680         EFFECT_NONE,
1681         EFFECT_TE_GUNSHOT,
1682         EFFECT_TE_GUNSHOTQUAD,
1683         EFFECT_TE_SPIKE,
1684         EFFECT_TE_SPIKEQUAD,
1685         EFFECT_TE_SUPERSPIKE,
1686         EFFECT_TE_SUPERSPIKEQUAD,
1687         EFFECT_TE_WIZSPIKE,
1688         EFFECT_TE_KNIGHTSPIKE,
1689         EFFECT_TE_EXPLOSION,
1690         EFFECT_TE_EXPLOSIONQUAD,
1691         EFFECT_TE_TAREXPLOSION,
1692         EFFECT_TE_TELEPORT,
1693         EFFECT_TE_LAVASPLASH,
1694         EFFECT_TE_SMALLFLASH,
1695         EFFECT_TE_FLAMEJET,
1696         EFFECT_EF_FLAME,
1697         EFFECT_TE_BLOOD,
1698         EFFECT_TE_SPARK,
1699         EFFECT_TE_PLASMABURN,
1700         EFFECT_TE_TEI_G3,
1701         EFFECT_TE_TEI_SMOKE,
1702         EFFECT_TE_TEI_BIGEXPLOSION,
1703         EFFECT_TE_TEI_PLASMAHIT,
1704         EFFECT_EF_STARDUST,
1705         EFFECT_TR_ROCKET,
1706         EFFECT_TR_GRENADE,
1707         EFFECT_TR_BLOOD,
1708         EFFECT_TR_WIZSPIKE,
1709         EFFECT_TR_SLIGHTBLOOD,
1710         EFFECT_TR_KNIGHTSPIKE,
1711         EFFECT_TR_VORESPIKE,
1712         EFFECT_TR_NEHAHRASMOKE,
1713         EFFECT_TR_NEXUIZPLASMA,
1714         EFFECT_TR_GLOWTRAIL,
1715         EFFECT_SVC_PARTICLE,
1716         EFFECT_TOTAL
1717 }
1718 effectnameindex_t;
1719
1720 int CL_ParticleEffectIndexForName(const char *name);
1721 const char *CL_ParticleEffectNameForIndex(int i);
1722 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);
1723 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]);
1724 void CL_ParseParticleEffect (void);
1725 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);
1726 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1727 void CL_EntityParticles (const entity_t *ent);
1728 void CL_ParticleExplosion (const vec3_t org);
1729 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1730 void R_NewExplosion(const vec3_t org);
1731
1732 void Debug_PolygonBegin(const char *picname, int flags);
1733 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1734 void Debug_PolygonEnd(void);
1735
1736 #include "cl_screen.h"
1737
1738 extern qboolean sb_showscores;
1739
1740 float RSurf_FogVertex(const vec3_t p);
1741 float RSurf_FogPoint(const vec3_t p);
1742
1743 typedef enum r_viewport_type_e
1744 {
1745         R_VIEWPORTTYPE_ORTHO,
1746         R_VIEWPORTTYPE_PERSPECTIVE,
1747         R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1748         R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1749         R_VIEWPORTTYPE_TOTAL
1750 }
1751 r_viewport_type_t;
1752
1753 typedef struct r_viewport_s
1754 {
1755         matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1756         matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1757         matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1758         int x;
1759         int y;
1760         int z;
1761         int width;
1762         int height;
1763         int depth;
1764         r_viewport_type_t type;
1765         float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1766 }
1767 r_viewport_t;
1768
1769 typedef struct r_refdef_view_s
1770 {
1771         // view information (changes multiple times per frame)
1772         // if any of these variables change then r_refdef.viewcache must be regenerated
1773         // by calling R_View_Update
1774         // (which also updates viewport, scissor, colormask)
1775
1776         // it is safe and expected to copy this into a structure on the stack and
1777         // call the renderer recursively, then restore from the stack afterward
1778         // (as long as R_View_Update is called)
1779
1780         // eye position information
1781         matrix4x4_t matrix, inverse_matrix;
1782         vec3_t origin;
1783         vec3_t forward;
1784         vec3_t left;
1785         vec3_t right;
1786         vec3_t up;
1787         int numfrustumplanes;
1788         mplane_t frustum[6];
1789         qboolean useclipplane;
1790         qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1791         mplane_t clipplane;
1792         float frustum_x, frustum_y;
1793         vec3_t frustumcorner[4];
1794         // if turned off it renders an ortho view
1795         int useperspective;
1796         float ortho_x, ortho_y;
1797
1798         // screen area to render in
1799         int x;
1800         int y;
1801         int z;
1802         int width;
1803         int height;
1804         int depth;
1805         r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1806
1807         // which color components to allow (for anaglyph glasses)
1808         int colormask[4];
1809
1810         // global RGB color multiplier for rendering
1811         float colorscale;
1812
1813         // whether to call R_ClearScreen before rendering stuff
1814         qboolean clear;
1815         // if true, don't clear or do any post process effects (bloom, etc)
1816         qboolean isoverlay;
1817         // 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)
1818         qboolean ismain;
1819
1820         // whether to draw r_showtris and such, this is only true for the main
1821         // view render, all secondary renders (mirrors, portals, cameras,
1822         // distortion effects, etc) omit such debugging information
1823         qboolean showdebug;
1824
1825         // these define which values to use in GL_CullFace calls to request frontface or backface culling
1826         int cullface_front;
1827         int cullface_back;
1828
1829         // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1830         float quality;
1831 }
1832 r_refdef_view_t;
1833
1834 typedef struct r_refdef_viewcache_s
1835 {
1836         // updated by gl_main_newmap()
1837         int maxentities;
1838         int world_numclusters;
1839         int world_numclusterbytes;
1840         int world_numleafs;
1841         int world_numsurfaces;
1842
1843         // these properties are generated by R_View_Update()
1844
1845         // which entities are currently visible for this viewpoint
1846         // (the used range is 0...r_refdef.scene.numentities)
1847         unsigned char *entityvisible;
1848
1849         // flag arrays used for visibility checking on world model
1850         // (all other entities have no per-surface/per-leaf visibility checks)
1851         unsigned char *world_pvsbits;
1852         unsigned char *world_leafvisible;
1853         unsigned char *world_surfacevisible;
1854         // if true, the view is currently in a leaf without pvs data
1855         qboolean world_novis;
1856 }
1857 r_refdef_viewcache_t;
1858
1859 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1860 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1861 typedef struct r_refdef_scene_s {
1862         // whether to call S_ExtraUpdate during render to reduce sound chop
1863         qboolean extraupdate;
1864
1865         // (client gameworld) time for rendering time based effects
1866         double time;
1867
1868         // the world
1869         entity_render_t *worldentity;
1870
1871         // same as worldentity->model
1872         dp_model_t *worldmodel;
1873
1874         // renderable entities (excluding world)
1875         entity_render_t **entities;
1876         int numentities;
1877         int maxentities;
1878
1879         // field of temporary entities that is reset each (client) frame
1880         entity_render_t *tempentities;
1881         int numtempentities;
1882         int maxtempentities;
1883         qboolean expandtempentities;
1884
1885         // renderable dynamic lights
1886         rtlight_t *lights[MAX_DLIGHTS];
1887         rtlight_t templights[MAX_DLIGHTS];
1888         int numlights;
1889
1890         // intensities for light styles right now, controls rtlights
1891         float rtlightstylevalue[MAX_LIGHTSTYLES];       // float fraction of base light value
1892         // 8.8bit fixed point intensities for light styles
1893         // controls intensity lightmap layers
1894         unsigned short lightstylevalue[MAX_LIGHTSTYLES];        // 8.8 fraction of base light value
1895
1896         float ambient;
1897
1898         qboolean rtworld;
1899         qboolean rtworldshadows;
1900         qboolean rtdlight;
1901         qboolean rtdlightshadows;
1902 } r_refdef_scene_t;
1903
1904 typedef struct r_refdef_s
1905 {
1906         // these fields define the basic rendering information for the world
1907         // but not the view, which could change multiple times in one rendered
1908         // frame (for example when rendering textures for certain effects)
1909
1910         // these are set for water warping before
1911         // frustum_x/frustum_y are calculated
1912         float frustumscale_x, frustumscale_y;
1913
1914         // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1915         r_refdef_view_t view;
1916         r_refdef_viewcache_t viewcache;
1917
1918         // minimum visible distance (pixels closer than this disappear)
1919         double nearclip;
1920         // maximum visible distance (pixels further than this disappear in 16bpp modes,
1921         // in 32bpp an infinite-farclip matrix is used instead)
1922         double farclip;
1923
1924         // fullscreen color blend
1925         float viewblend[4];
1926
1927         r_refdef_scene_t scene;
1928
1929         float fogplane[4];
1930         float fogplaneviewdist;
1931         qboolean fogplaneviewabove;
1932         float fogheightfade;
1933         float fogcolor[3];
1934         float fogrange;
1935         float fograngerecip;
1936         float fogmasktabledistmultiplier;
1937 #define FOGMASKTABLEWIDTH 1024
1938         float fogmasktable[FOGMASKTABLEWIDTH];
1939         float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1940         float fog_density;
1941         float fog_red;
1942         float fog_green;
1943         float fog_blue;
1944         float fog_alpha;
1945         float fog_start;
1946         float fog_end;
1947         float fog_height;
1948         float fog_fadedepth;
1949         qboolean fogenabled;
1950         qboolean oldgl_fogenable;
1951
1952         // new flexible texture height fog (overrides normal fog)
1953         char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1954         unsigned char *fog_height_table1d;
1955         unsigned char *fog_height_table2d;
1956         int fog_height_tablesize; // enable
1957         float fog_height_tablescale;
1958         float fog_height_texcoordscale;
1959         char fogheighttexturename[64]; // detects changes to active fog height texture
1960
1961         int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1962
1963         // true during envmap command capture
1964         qboolean envmap;
1965
1966         // brightness of world lightmaps and related lighting
1967         // (often reduced when world rtlights are enabled)
1968         float lightmapintensity;
1969         // whether to draw world lights realtime, dlights realtime, and their shadows
1970         float polygonfactor;
1971         float polygonoffset;
1972         float shadowpolygonfactor;
1973         float shadowpolygonoffset;
1974
1975         // how long R_RenderView took on the previous frame
1976         double lastdrawscreentime;
1977
1978         // rendering stats for r_speeds display
1979         // (these are incremented in many places)
1980         int stats[r_stat_count];
1981 }
1982 r_refdef_t;
1983
1984 extern r_refdef_t r_refdef;
1985
1986 typedef enum waterlevel_e
1987 {
1988         WATERLEVEL_NONE,
1989         WATERLEVEL_WETFEET,
1990         WATERLEVEL_SWIMMING,
1991         WATERLEVEL_SUBMERGED
1992 }
1993 waterlevel_t;
1994
1995 typedef struct cl_clientmovement_state_s
1996 {
1997         // entity to be ignored for movement
1998         struct prvm_edict_s *self;
1999         // position
2000         vec3_t origin;
2001         vec3_t velocity;
2002         // current bounding box (different if crouched vs standing)
2003         vec3_t mins;
2004         vec3_t maxs;
2005         // currently on the ground
2006         qboolean onground;
2007         // currently crouching
2008         qboolean crouched;
2009         // what kind of water (SUPERCONTENTS_LAVA for instance)
2010         int watertype;
2011         // how deep
2012         waterlevel_t waterlevel;
2013         // weird hacks when jumping out of water
2014         // (this is in seconds and counts down to 0)
2015         float waterjumptime;
2016
2017         // user command
2018         usercmd_t cmd;
2019 }
2020 cl_clientmovement_state_t;
2021 void CL_ClientMovement_PlayerMove_Frame(cl_clientmovement_state_t *s);
2022
2023 // warpzone prediction hack (CSQC builtin)
2024 void CL_RotateMoves(const matrix4x4_t *m);
2025
2026 void CL_NewFrameReceived(int num);
2027 void CL_ParseEntityLump(char *entitystring);
2028 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
2029 void CL_RelinkLightFlashes(void);
2030 void Sbar_ShowFPS(void);
2031 void Sbar_ShowFPS_Update(void);
2032 void Host_SaveConfig(void);
2033 void Host_LoadConfig_f(void);
2034 void CL_UpdateMoveVars(void);
2035 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length);
2036 void V_DriftPitch(void);
2037 void V_FadeViewFlashs(void);
2038 void V_CalcViewBlend(void);
2039 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);
2040 void V_CalcRefdef(void);
2041 void CL_Locs_Reload_f(void);
2042
2043 #endif
2044