f505f216cb7e6a0fd49b68be9ab446cb95ae0bee
[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_rendertargets_used,
68         r_stat_rendertargets_pixels,
69         r_stat_indexbufferuploadcount,
70         r_stat_indexbufferuploadsize,
71         r_stat_vertexbufferuploadcount,
72         r_stat_vertexbufferuploadsize,
73         r_stat_framedatacurrent,
74         r_stat_framedatasize,
75         r_stat_bufferdatacurrent_vertex, // R_BUFFERDATA_ types are added to this index
76         r_stat_bufferdatacurrent_index16,
77         r_stat_bufferdatacurrent_index32,
78         r_stat_bufferdatacurrent_uniform,
79         r_stat_bufferdatasize_vertex, // R_BUFFERDATA_ types are added to this index
80         r_stat_bufferdatasize_index16,
81         r_stat_bufferdatasize_index32,
82         r_stat_bufferdatasize_uniform,
83         r_stat_animcache_skeletal_count,
84         r_stat_animcache_skeletal_bones,
85         r_stat_animcache_skeletal_maxbones,
86         r_stat_animcache_shade_count,
87         r_stat_animcache_shade_vertices,
88         r_stat_animcache_shade_maxvertices,
89         r_stat_animcache_shape_count,
90         r_stat_animcache_shape_vertices,
91         r_stat_animcache_shape_maxvertices,
92         r_stat_batch_batches,
93         r_stat_batch_withgaps,
94         r_stat_batch_surfaces,
95         r_stat_batch_vertices,
96         r_stat_batch_triangles,
97         r_stat_batch_fast_batches,
98         r_stat_batch_fast_surfaces,
99         r_stat_batch_fast_vertices,
100         r_stat_batch_fast_triangles,
101         r_stat_batch_copytriangles_batches,
102         r_stat_batch_copytriangles_surfaces,
103         r_stat_batch_copytriangles_vertices,
104         r_stat_batch_copytriangles_triangles,
105         r_stat_batch_dynamic_batches,
106         r_stat_batch_dynamic_surfaces,
107         r_stat_batch_dynamic_vertices,
108         r_stat_batch_dynamic_triangles,
109         r_stat_batch_dynamicskeletal_batches,
110         r_stat_batch_dynamicskeletal_surfaces,
111         r_stat_batch_dynamicskeletal_vertices,
112         r_stat_batch_dynamicskeletal_triangles,
113         r_stat_batch_dynamic_batches_because_cvar,
114         r_stat_batch_dynamic_surfaces_because_cvar,
115         r_stat_batch_dynamic_vertices_because_cvar,
116         r_stat_batch_dynamic_triangles_because_cvar,
117         r_stat_batch_dynamic_batches_because_lightmapvertex,
118         r_stat_batch_dynamic_surfaces_because_lightmapvertex,
119         r_stat_batch_dynamic_vertices_because_lightmapvertex,
120         r_stat_batch_dynamic_triangles_because_lightmapvertex,
121         r_stat_batch_dynamic_batches_because_deformvertexes_autosprite,
122         r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite,
123         r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite,
124         r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite,
125         r_stat_batch_dynamic_batches_because_deformvertexes_autosprite2,
126         r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite2,
127         r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite2,
128         r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite2,
129         r_stat_batch_dynamic_batches_because_deformvertexes_normal,
130         r_stat_batch_dynamic_surfaces_because_deformvertexes_normal,
131         r_stat_batch_dynamic_vertices_because_deformvertexes_normal,
132         r_stat_batch_dynamic_triangles_because_deformvertexes_normal,
133         r_stat_batch_dynamic_batches_because_deformvertexes_wave,
134         r_stat_batch_dynamic_surfaces_because_deformvertexes_wave,
135         r_stat_batch_dynamic_vertices_because_deformvertexes_wave,
136         r_stat_batch_dynamic_triangles_because_deformvertexes_wave,
137         r_stat_batch_dynamic_batches_because_deformvertexes_bulge,
138         r_stat_batch_dynamic_surfaces_because_deformvertexes_bulge,
139         r_stat_batch_dynamic_vertices_because_deformvertexes_bulge,
140         r_stat_batch_dynamic_triangles_because_deformvertexes_bulge,
141         r_stat_batch_dynamic_batches_because_deformvertexes_move,
142         r_stat_batch_dynamic_surfaces_because_deformvertexes_move,
143         r_stat_batch_dynamic_vertices_because_deformvertexes_move,
144         r_stat_batch_dynamic_triangles_because_deformvertexes_move,
145         r_stat_batch_dynamic_batches_because_tcgen_lightmap,
146         r_stat_batch_dynamic_surfaces_because_tcgen_lightmap,
147         r_stat_batch_dynamic_vertices_because_tcgen_lightmap,
148         r_stat_batch_dynamic_triangles_because_tcgen_lightmap,
149         r_stat_batch_dynamic_batches_because_tcgen_vector,
150         r_stat_batch_dynamic_surfaces_because_tcgen_vector,
151         r_stat_batch_dynamic_vertices_because_tcgen_vector,
152         r_stat_batch_dynamic_triangles_because_tcgen_vector,
153         r_stat_batch_dynamic_batches_because_tcgen_environment,
154         r_stat_batch_dynamic_surfaces_because_tcgen_environment,
155         r_stat_batch_dynamic_vertices_because_tcgen_environment,
156         r_stat_batch_dynamic_triangles_because_tcgen_environment,
157         r_stat_batch_dynamic_batches_because_tcmod_turbulent,
158         r_stat_batch_dynamic_surfaces_because_tcmod_turbulent,
159         r_stat_batch_dynamic_vertices_because_tcmod_turbulent,
160         r_stat_batch_dynamic_triangles_because_tcmod_turbulent,
161         r_stat_batch_dynamic_batches_because_nogaps,
162         r_stat_batch_dynamic_surfaces_because_nogaps,
163         r_stat_batch_dynamic_vertices_because_nogaps,
164         r_stat_batch_dynamic_triangles_because_nogaps,
165         r_stat_batch_dynamic_batches_because_derived,
166         r_stat_batch_dynamic_surfaces_because_derived,
167         r_stat_batch_dynamic_vertices_because_derived,
168         r_stat_batch_dynamic_triangles_because_derived,
169         r_stat_batch_entitycache_count,
170         r_stat_batch_entitycache_surfaces,
171         r_stat_batch_entitycache_vertices,
172         r_stat_batch_entitycache_triangles,
173         r_stat_batch_entityanimate_count,
174         r_stat_batch_entityanimate_surfaces,
175         r_stat_batch_entityanimate_vertices,
176         r_stat_batch_entityanimate_triangles,
177         r_stat_batch_entityskeletal_count,
178         r_stat_batch_entityskeletal_surfaces,
179         r_stat_batch_entityskeletal_vertices,
180         r_stat_batch_entityskeletal_triangles,
181         r_stat_batch_entitystatic_count,
182         r_stat_batch_entitystatic_surfaces,
183         r_stat_batch_entitystatic_vertices,
184         r_stat_batch_entitystatic_triangles,
185         r_stat_batch_entitycustom_count,
186         r_stat_batch_entitycustom_surfaces,
187         r_stat_batch_entitycustom_vertices,
188         r_stat_batch_entitycustom_triangles,
189         r_stat_count // size of array
190 }
191 r_stat_t;
192
193 // flags for rtlight rendering
194 #define LIGHTFLAG_NORMALMODE 1
195 #define LIGHTFLAG_REALTIMEMODE 2
196
197 typedef struct tridecal_s
198 {
199         // color and initial alpha value
200         float                   texcoord2f[3][2];
201         float                   vertex3f[3][3];
202         float                   color4f[3][4];
203         float                   plane[4]; // backface culling
204         // how long this decal has lived so far (the actual fade begins at cl_decals_time)
205         float                   lived;
206         // if >= 0 this indicates the decal should follow an animated triangle
207         int                             triangleindex;
208         // for visibility culling
209         int                             surfaceindex;
210         // old decals are killed to obey cl_decals_max
211         unsigned int    decalsequence;
212 }
213 tridecal_t;
214
215 typedef struct decalsystem_s
216 {
217         dp_model_t *model;
218         double lastupdatetime;
219         int maxdecals;
220         int freedecal;
221         int numdecals;
222         tridecal_t *decals;
223         float *vertex3f;
224         float *texcoord2f;
225         float *color4f;
226         int *element3i;
227         unsigned short *element3s;
228 }
229 decalsystem_t;
230
231 typedef struct effect_s
232 {
233         int active;
234         vec3_t origin;
235         double starttime;
236         float framerate;
237         int modelindex;
238         int startframe;
239         int endframe;
240         // these are for interpolation
241         int frame;
242         double frame1time;
243         double frame2time;
244 }
245 cl_effect_t;
246
247 typedef struct beam_s
248 {
249         int             entity;
250         // draw this as lightning polygons, or a model?
251         int             lightning;
252         struct model_s  *model;
253         float   endtime;
254         vec3_t  start, end;
255 }
256 beam_t;
257
258 typedef struct rtlight_particle_s
259 {
260         float origin[3];
261         float color[3];
262 }
263 rtlight_particle_t;
264
265 typedef struct rtlight_s
266 {
267         // note that the world to light matrices are inversely scaled (divided) by lightradius
268
269         // core properties
270         /// matrix for transforming light filter coordinates to world coordinates
271         matrix4x4_t matrix_lighttoworld;
272         /// matrix for transforming world coordinates to light filter coordinates
273         matrix4x4_t matrix_worldtolight;
274         /// typically 1 1 1, can be lower (dim) or higher (overbright)
275         vec3_t color;
276         /// size of the light (remove?)
277         vec_t radius;
278         /// light filter
279         char cubemapname[64];
280         /// light style to monitor for brightness
281         int style;
282         /// whether light should render shadows (see castshadows for whether it actually does this frame)
283         int shadow;
284         /// intensity of corona to render
285         vec_t corona;
286         /// radius scale of corona to render (1.0 means same as light radius)
287         vec_t coronasizescale;
288         /// ambient intensity to render
289         vec_t ambientscale;
290         /// diffuse intensity to render
291         vec_t diffusescale;
292         /// specular intensity to render
293         vec_t specularscale;
294         /// LIGHTFLAG_* flags
295         int flags;
296
297         // generated properties
298         /// used only for casting shadows
299         vec3_t shadoworigin;
300         /// culling
301         vec3_t cullmins;
302         vec3_t cullmaxs;
303         /// when r_shadow_culllights_trace is set, this is refreshed by each successful trace.
304         double trace_timer;
305
306         // rendering properties, updated each time a light is rendered
307         // this is rtlight->color * d_lightstylevalue
308         vec3_t currentcolor;
309         /// used by corona updates, due to occlusion query
310         float corona_visibility;
311         unsigned int corona_queryindex_visiblepixels;
312         unsigned int corona_queryindex_allpixels;
313         /// this is R_GetCubemap(rtlight->cubemapname)
314         rtexture_t *currentcubemap;
315         /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
316         qboolean draw;
317         /// set by R_Shadow_PrepareLight to indicate whether R_Shadow_DrawShadowMaps should do anything
318         qboolean castshadows;
319         /// these fields are set by R_Shadow_PrepareLight for later drawing
320         int cached_numlightentities;
321         int cached_numlightentities_noselfshadow;
322         int cached_numshadowentities;
323         int cached_numshadowentities_noselfshadow;
324         int cached_numsurfaces;
325         struct entity_render_s **cached_lightentities;
326         struct entity_render_s **cached_lightentities_noselfshadow;
327         struct entity_render_s **cached_shadowentities;
328         struct entity_render_s **cached_shadowentities_noselfshadow;
329         unsigned char *cached_shadowtrispvs;
330         unsigned char *cached_lighttrispvs;
331         int *cached_surfacelist;
332         // reduced light cullbox from GetLightInfo
333         vec3_t cached_cullmins;
334         vec3_t cached_cullmaxs;
335         // current shadow-caster culling planes based on view
336         // (any geometry outside these planes can not contribute to the visible
337         //  shadows in any way, and thus can be culled safely)
338         int cached_numfrustumplanes;
339         mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
340
341         /// static light info
342         /// true if this light should be compiled as a static light
343         int isstatic;
344         /// true if this is a compiled world light, cleared if the light changes
345         int compiled;
346         /// the size that this light should have (assuming no scene LOD kicking in to reduce it)
347         int shadowmapsidesize;
348         /// position of this light in the shadowmap atlas
349         int shadowmapatlasposition[2];
350         /// size of one side of this light in the shadowmap atlas (for omnidirectional shadowmaps this is the min corner of a 2x3 arrangement, or a 4x3 arrangement in the case of noselfshadow entities being present)
351         int shadowmapatlassidesize;
352         /// optimized and culled mesh to render for world entity shadows
353         shadowmesh_t *static_meshchain_shadow_shadowmap;
354         /// used for visibility testing (more exact than bbox)
355         int static_numleafs;
356         int static_numleafpvsbytes;
357         int *static_leaflist;
358         unsigned char *static_leafpvs;
359         /// surfaces seen by light
360         int static_numsurfaces;
361         int *static_surfacelist;
362         /// flag bits indicating which triangles of the world model should cast
363         /// shadows, and which ones should be lit
364         ///
365         /// this avoids redundantly scanning the triangles in each surface twice
366         /// for whether they should cast shadows, once in culling and once in the
367         /// actual shadowmarklist production.
368         int static_numshadowtrispvsbytes;
369         unsigned char *static_shadowtrispvs;
370         /// this allows the lighting batch code to skip backfaces andother culled
371         /// triangles not relevant for lighting
372         /// (important on big surfaces such as terrain)
373         int static_numlighttrispvsbytes;
374         unsigned char *static_lighttrispvs;
375         /// masks of all shadowmap sides that have any potential static receivers or casters
376         int static_shadowmap_receivers;
377         int static_shadowmap_casters;
378         /// particle-tracing cache for global illumination
379         int particlecache_numparticles;
380         int particlecache_maxparticles;
381         int particlecache_updateparticle;
382         rtlight_particle_t *particlecache_particles;
383
384         /// bouncegrid light info
385         float bouncegrid_photoncolor[3];
386         float bouncegrid_photons;
387         int bouncegrid_hits;
388         int bouncegrid_traces;
389         float bouncegrid_effectiveradius;
390 }
391 rtlight_t;
392
393 typedef struct dlight_s
394 {
395         // destroy light after this time
396         // (dlight only)
397         vec_t die;
398         // the entity that owns this light (can be NULL)
399         // (dlight only)
400         struct entity_render_s *ent;
401         // location
402         // (worldlight: saved to .rtlights file)
403         vec3_t origin;
404         // worldlight orientation
405         // (worldlight only)
406         // (worldlight: saved to .rtlights file)
407         vec3_t angles;
408         // dlight orientation/scaling/location
409         // (dlight only)
410         matrix4x4_t matrix;
411         // color of light
412         // (worldlight: saved to .rtlights file)
413         vec3_t color;
414         // cubemap name to use on this light
415         // (worldlight: saved to .rtlights file)
416         char cubemapname[64];
417         // make light flash while selected
418         // (worldlight only)
419         int selected;
420         // brightness (not really radius anymore)
421         // (worldlight: saved to .rtlights file)
422         vec_t radius;
423         // drop intensity this much each second
424         // (dlight only)
425         vec_t decay;
426         // intensity value which is dropped over time
427         // (dlight only)
428         vec_t intensity;
429         // initial values for intensity to modify
430         // (dlight only)
431         vec_t initialradius;
432         vec3_t initialcolor;
433         // light style which controls intensity of this light
434         // (worldlight: saved to .rtlights file)
435         int style;
436         // cast shadows
437         // (worldlight: saved to .rtlights file)
438         int shadow;
439         // corona intensity
440         // (worldlight: saved to .rtlights file)
441         vec_t corona;
442         // radius scale of corona to render (1.0 means same as light radius)
443         // (worldlight: saved to .rtlights file)
444         vec_t coronasizescale;
445         // ambient intensity to render
446         // (worldlight: saved to .rtlights file)
447         vec_t ambientscale;
448         // diffuse intensity to render
449         // (worldlight: saved to .rtlights file)
450         vec_t diffusescale;
451         // specular intensity to render
452         // (worldlight: saved to .rtlights file)
453         vec_t specularscale;
454         // LIGHTFLAG_* flags
455         // (worldlight: saved to .rtlights file)
456         int flags;
457         // linked list of world lights
458         // (worldlight only)
459         struct dlight_s *next;
460         // embedded rtlight struct for renderer
461         // (worldlight only)
462         rtlight_t rtlight;
463 }
464 dlight_t;
465
466 // this is derived from processing of the framegroupblend array
467 // note: technically each framegroupblend can produce two of these, but that
468 // never happens in practice because no one blends between more than 2
469 // framegroups at once
470 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
471 typedef struct frameblend_s
472 {
473         int subframe;
474         float lerp;
475 }
476 frameblend_t;
477
478 // LadyHavoc: this struct is intended for the renderer but some fields are
479 // used by the client.
480 //
481 // The renderer should not rely on any changes to this struct to be persistent
482 // across multiple frames because temp entities are wiped every frame, but it
483 // is acceptable to cache things in this struct that are not critical.
484 //
485 // For example the r_cullentities_trace code does such caching.
486 typedef struct entity_render_s
487 {
488         // location
489         //vec3_t origin;
490         // orientation
491         //vec3_t angles;
492         // transform matrix for model to world
493         matrix4x4_t matrix;
494         // transform matrix for world to model
495         matrix4x4_t inversematrix;
496         // opacity (alpha) of the model
497         float alpha;
498         // size the model is shown
499         float scale;
500         // transparent sorting offset
501         float transparent_offset;
502
503         // NULL = no model
504         dp_model_t *model;
505         // number of the entity represents, or 0 for non-network entities
506         int entitynumber;
507         // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
508         vec3_t colormap_pantscolor;
509         vec3_t colormap_shirtcolor;
510         // light, particles, etc
511         int effects;
512         // qw CTF flags and other internal-use-only effect bits
513         int internaleffects;
514         // for Alias models
515         int skinnum;
516         // render flags
517         int flags;
518
519         // colormod tinting of models
520         float colormod[3];
521         float glowmod[3];
522
523         // interpolated animation - active framegroups and blend factors
524         framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
525
526         // time of last model change (for shader animations)
527         double shadertime;
528
529         // calculated by the renderer (but not persistent)
530
531         // calculated during R_AddModelEntities
532         vec3_t mins, maxs;
533         // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
534         frameblend_t frameblend[MAX_FRAMEBLENDS];
535         // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
536         skeleton_t *skeleton;
537
538         // animation cache (pointers allocated using R_FrameData_Alloc)
539         // ONLY valid during R_RenderView!  may be NULL (not cached)
540         float          *animcache_vertex3f;
541         r_meshbuffer_t *animcache_vertex3f_vertexbuffer;
542         int             animcache_vertex3f_bufferoffset;
543         float          *animcache_normal3f;
544         r_meshbuffer_t *animcache_normal3f_vertexbuffer;
545         int             animcache_normal3f_bufferoffset;
546         float          *animcache_svector3f;
547         r_meshbuffer_t *animcache_svector3f_vertexbuffer;
548         int             animcache_svector3f_bufferoffset;
549         float          *animcache_tvector3f;
550         r_meshbuffer_t *animcache_tvector3f_vertexbuffer;
551         int             animcache_tvector3f_bufferoffset;
552         // gpu-skinning shader needs transforms in a certain format, we have to
553         // upload this to a uniform buffer for the shader to use, and also keep a
554         // backup copy in system memory for the dynamic batch fallback code
555         // if this is not NULL, the other animcache variables are NULL
556         float *animcache_skeletaltransform3x4;
557         r_meshbuffer_t *animcache_skeletaltransform3x4buffer;
558         int animcache_skeletaltransform3x4offset;
559         int animcache_skeletaltransform3x4size;
560
561         // CL_UpdateEntityShading reads these fields
562         // used only if RENDER_CUSTOMIZEDMODELLIGHT is set
563         vec3_t custommodellight_ambient;
564         vec3_t custommodellight_diffuse;
565         vec3_t custommodellight_lightdir;
566         // CSQC entities get their shading from the root of their attachment chain
567         float custommodellight_origin[3];
568
569         // derived lighting parameters (CL_UpdateEntityShading)
570
571         // used by MATERIALFLAG_FULLBRIGHT which is MATERIALFLAG_MODELLIGHT with
572         // this as ambient color, along with MATERIALFLAG_NORTLIGHT
573         float render_fullbright[3];
574         // color tint for the base pass glow textures if any
575         float render_glowmod[3];
576         // MATERIALFLAG_MODELLIGHT uses these parameters
577         float render_modellight_ambient[3];
578         float render_modellight_diffuse[3];
579         float render_modellight_lightdir[3];
580         float render_modellight_specular[3];
581         // lightmap rendering (not MATERIALFLAG_MODELLIGHT)
582         float render_lightmap_ambient[3];
583         float render_lightmap_diffuse[3];
584         float render_lightmap_specular[3];
585         // rtlights use these colors for the materials on this entity
586         float render_rtlight_diffuse[3];
587         float render_rtlight_specular[3];
588         // ignore lightmap and use fixed lighting settings on this entity (e.g. FULLBRIGHT)
589         qboolean render_modellight_forced;
590         // do not process per pixel lights on this entity at all (like MATERIALFLAG_NORTLIGHT)
591         qboolean render_rtlight_disabled;
592         // use the 3D lightmap from q3bsp on this entity
593         qboolean render_lightgrid;
594
595         // storage of decals on this entity
596         // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
597         int allowdecals;
598         decalsystem_t decalsystem;
599
600         // FIELDS UPDATED BY RENDERER:
601         // last time visible during trace culling
602         double last_trace_visibility;
603
604         // user wavefunc parameters (from csqc)
605         vec_t userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
606 }
607 entity_render_t;
608
609 typedef struct entity_persistent_s
610 {
611         vec3_t trail_origin; // previous position for particle trail spawning
612         vec3_t oldorigin; // lerp
613         vec3_t oldangles; // lerp
614         vec3_t neworigin; // lerp
615         vec3_t newangles; // lerp
616         vec_t lerpstarttime; // lerp
617         vec_t lerpdeltatime; // lerp
618         float muzzleflash; // muzzleflash intensity, fades over time
619         float trail_time; // residual error accumulation for particle trail spawning (to keep spacing across frames)
620         qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
621 }
622 entity_persistent_t;
623
624 typedef struct entity_s
625 {
626         // baseline state (default values)
627         entity_state_t state_baseline;
628         // previous state (interpolating from this)
629         entity_state_t state_previous;
630         // current state (interpolating to this)
631         entity_state_t state_current;
632
633         // used for regenerating parts of render
634         entity_persistent_t persistent;
635
636         // the only data the renderer should know about
637         entity_render_t render;
638 }
639 entity_t;
640
641 typedef struct usercmd_s
642 {
643         vec3_t  viewangles;
644
645 // intended velocities
646         float   forwardmove;
647         float   sidemove;
648         float   upmove;
649
650         vec3_t  cursor_screen;
651         vec3_t  cursor_start;
652         vec3_t  cursor_end;
653         vec3_t  cursor_impact;
654         vec3_t  cursor_normal;
655         vec_t   cursor_fraction;
656         int             cursor_entitynumber;
657
658         double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
659         double receivetime; // time the move was received at
660         double clienttime; // time to which server state the move corresponds to
661         int msec; // for predicted moves
662         int buttons;
663         int impulse;
664         unsigned int sequence;
665         qboolean applied; // if false we're still accumulating a move
666         qboolean predicted; // if true the sequence should be sent as 0
667
668         // derived properties
669         double frametime;
670         qboolean canjump;
671         qboolean jump;
672         qboolean crouch;
673 } usercmd_t;
674
675 typedef struct lightstyle_s
676 {
677         int             length;
678         char    map[MAX_STYLESTRING];
679 } lightstyle_t;
680
681 typedef struct scoreboard_s
682 {
683         char    name[MAX_SCOREBOARDNAME];
684         int             frags;
685         int             colors; // two 4 bit fields
686         // QW fields:
687         int             qw_userid;
688         char    qw_userinfo[MAX_USERINFO_STRING];
689         float   qw_entertime;
690         int             qw_ping;
691         int             qw_packetloss;
692         int             qw_movementloss;
693         int             qw_spectator;
694         char    qw_team[8];
695         char    qw_skin[MAX_QPATH];
696 } scoreboard_t;
697
698 typedef struct cshift_s
699 {
700         float   destcolor[3];
701         float   percent;                // 0-255
702         float   alphafade;      // (any speed)
703 } cshift_t;
704
705 #define CSHIFT_CONTENTS 0
706 #define CSHIFT_DAMAGE   1
707 #define CSHIFT_BONUS    2
708 #define CSHIFT_POWERUP  3
709 #define CSHIFT_VCSHIFT  4
710 #define NUM_CSHIFTS             5
711
712 #define NAME_LENGTH     64
713
714
715 //
716 // client_state_t should hold all pieces of the client state
717 //
718
719 #define SIGNONS         4                       // signon messages to receive before connected
720
721 typedef enum cactive_e
722 {
723         ca_uninitialized,       // during early startup
724         ca_dedicated,           // a dedicated server with no ability to start a client
725         ca_disconnected,        // full screen console with no connection
726         ca_connected            // valid netcon, talking to a server
727 }
728 cactive_t;
729
730 typedef enum qw_downloadtype_e
731 {
732         dl_none,
733         dl_single,
734         dl_skin,
735         dl_model,
736         dl_sound
737 }
738 qw_downloadtype_t;
739
740 #ifdef CONFIG_VIDEO_CAPTURE
741 typedef enum capturevideoformat_e
742 {
743         CAPTUREVIDEOFORMAT_AVI_I420,
744         CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
745 }
746 capturevideoformat_t;
747
748 typedef struct capturevideostate_s
749 {
750         double startrealtime;
751         double framerate;
752         int framestep;
753         int framestepframe;
754         qboolean active;
755         qboolean realtime;
756         qboolean error;
757         int soundrate;
758         int soundchannels;
759         int frame;
760         double starttime;
761         double lastfpstime;
762         int lastfpsframe;
763         int soundsampleframe;
764         unsigned char *screenbuffer;
765         unsigned char *outbuffer;
766         char basename[MAX_QPATH];
767         int width, height;
768
769         // precomputed RGB to YUV tables
770         // converts the RGB values to YUV (see cap_avi.c for how to use them)
771         short rgbtoyuvscaletable[3][3][256];
772         unsigned char yuvnormalizetable[3][256];
773
774         // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
775         // 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
776         unsigned short vidramp[256 * 3];
777
778         // stuff to be filled in by the video format module
779         capturevideoformat_t format;
780         const char *formatextension;
781         qfile_t *videofile;
782                 // always use this:
783                 //   cls.capturevideo.videofile = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
784         void (*endvideo) (void);
785         void (*videoframes) (int num);
786         void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
787
788         // format specific data
789         void *formatspecific;
790 }
791 capturevideostate_t;
792 #endif
793
794 #define CL_MAX_DOWNLOADACKS 4
795
796 typedef struct cl_downloadack_s
797 {
798         int start, size;
799 }
800 cl_downloadack_t;
801
802 typedef struct cl_soundstats_s
803 {
804         int mixedsounds;
805         int totalsounds;
806         int latency_milliseconds;
807 }
808 cl_soundstats_t;
809
810 //
811 // the client_static_t structure is persistent through an arbitrary number
812 // of server connections
813 //
814 typedef struct client_static_s
815 {
816         cactive_t state;
817
818         // all client memory allocations go in these pools
819         mempool_t *levelmempool;
820         mempool_t *permanentmempool;
821
822 // demo loop control
823         // -1 = don't play demos
824         int demonum;
825         // list of demos in loop
826         char demos[MAX_DEMOS][MAX_DEMONAME];
827         // the actively playing demo (set by CL_PlayDemo_f)
828         char demoname[MAX_QPATH];
829
830 // demo recording info must be here, because record is started before
831 // entering a map (and clearing client_state_t)
832         qboolean demorecording;
833         fs_offset_t demo_lastcsprogssize;
834         int demo_lastcsprogscrc;
835         qboolean demoplayback;
836         qboolean demostarting; // set if currently starting a demo, to stop -demo from quitting when switching to another demo
837         qboolean timedemo;
838         // -1 = use normal cd track
839         int forcetrack;
840         qfile_t *demofile;
841         // realtime at second frame of timedemo (LadyHavoc: changed to double)
842         double td_starttime;
843         int td_frames; // total frames parsed
844         double td_onesecondnexttime;
845         double td_onesecondframes;
846         double td_onesecondrealtime;
847         double td_onesecondminfps;
848         double td_onesecondmaxfps;
849         double td_onesecondavgfps;
850         int td_onesecondavgcount;
851         // LadyHavoc: pausedemo
852         qboolean demopaused;
853
854         // sound mixer statistics for showsound display
855         cl_soundstats_t soundstats;
856
857         qboolean connect_trying;
858         int connect_remainingtries;
859         double connect_nextsendtime;
860         lhnetsocket_t *connect_mysocket;
861         lhnetaddress_t connect_address;
862         lhnetaddress_t rcon_address;
863         // protocol version of the server we're connected to
864         // (kept outside client_state_t because it's used between levels)
865         protocolversion_t protocol;
866
867 #define MAX_RCONS 16
868         int rcon_trying;
869         lhnetaddress_t rcon_addresses[MAX_RCONS];
870         char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
871         double rcon_timeout[MAX_RCONS];
872         int rcon_ringpos;
873
874 // connection information
875         // 0 to SIGNONS
876         int signon;
877         // network connection
878         netconn_t *netcon;
879
880         // download information
881         // (note: qw_download variables are also used)
882         cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
883
884         // input sequence numbers are not reset on level change, only connect
885         unsigned int servermovesequence;
886
887         // quakeworld stuff below
888
889         // value of "qport" cvar at time of connection
890         int qw_qport;
891         // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
892         unsigned int qw_incoming_sequence;
893         unsigned int qw_outgoing_sequence;
894
895         // current file download buffer (only saved when file is completed)
896         char qw_downloadname[MAX_QPATH];
897         unsigned char *qw_downloadmemory;
898         int qw_downloadmemorycursize;
899         int qw_downloadmemorymaxsize;
900         int qw_downloadnumber;
901         int qw_downloadpercent;
902         qw_downloadtype_t qw_downloadtype;
903         // transfer rate display
904         double qw_downloadspeedtime;
905         int qw_downloadspeedcount;
906         int qw_downloadspeedrate;
907         qboolean qw_download_deflate;
908
909         // current file upload buffer (for uploading screenshots to server)
910         unsigned char *qw_uploaddata;
911         int qw_uploadsize;
912         int qw_uploadpos;
913
914         // user infostring
915         // this normally contains the following keys in quakeworld:
916         // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
917         char userinfo[MAX_USERINFO_STRING];
918
919         // extra user info for the "connect" command
920         char connect_userinfo[MAX_USERINFO_STRING];
921
922 #ifdef CONFIG_VIDEO_CAPTURE
923         // video capture stuff
924         capturevideostate_t capturevideo;
925 #endif
926
927         // crypto channel
928         crypto_t crypto;
929
930         // ProQuake compatibility stuff
931         int proquake_servermod; // 0 = not proquake, 1 = proquake
932         int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
933         int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
934
935         // don't write-then-read csprogs.dat (useful for demo playback)
936         unsigned char *caughtcsprogsdata;
937         fs_offset_t caughtcsprogsdatasize;
938
939         int r_speeds_graph_length;
940         int r_speeds_graph_current;
941         int *r_speeds_graph_data;
942
943         // graph scales
944         int r_speeds_graph_datamin[r_stat_count];
945         int r_speeds_graph_datamax[r_stat_count];
946 }
947 client_static_t;
948
949 extern client_static_t  cls;
950
951 //[515]: csqc
952 typedef struct
953 {
954         qboolean drawworld;
955         qboolean drawenginesbar;
956         qboolean drawcrosshair;
957 }csqc_vidvars_t;
958
959 typedef enum
960 {
961         PARTICLE_BILLBOARD = 0,
962         PARTICLE_SPARK = 1,
963         PARTICLE_ORIENTED_DOUBLESIDED = 2,
964         PARTICLE_VBEAM = 3,
965         PARTICLE_HBEAM = 4,
966         PARTICLE_INVALID = -1
967 }
968 porientation_t;
969
970 typedef enum
971 {
972         PBLEND_ALPHA = 0,
973         PBLEND_ADD = 1,
974         PBLEND_INVMOD = 2,
975         PBLEND_INVALID = -1
976 }
977 pblend_t;
978
979 typedef struct particletype_s
980 {
981         pblend_t blendmode;
982         porientation_t orientation;
983         qboolean lighting;
984 }
985 particletype_t;
986
987 typedef enum ptype_e
988 {
989         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
990 }
991 ptype_t;
992
993 typedef struct particle_s
994 {
995         // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
996
997         // fields used by rendering: (48 bytes)
998         vec3_t          sortorigin; // sort by this group origin, not particle org
999         vec3_t          org;
1000         vec3_t          vel; // velocity of particle, or orientation of decal, or end point of beam
1001         float           size;
1002         float           alpha; // 0-255
1003         float           stretch; // only for sparks
1004
1005         // fields not used by rendering:  (44 bytes)
1006         float           stainsize;
1007         float           stainalpha;
1008         float           sizeincrease; // rate of size change per second
1009         float           alphafade; // how much alpha reduces per second
1010         float           time2; // used for snow fluttering and decal fade
1011         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)
1012         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
1013         float           airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
1014         float           liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
1015 //      float           delayedcollisions; // time that p->bounce becomes active
1016         float           delayedspawn; // time that particle appears and begins moving
1017         float           die; // time when this particle should be removed, regardless of alpha
1018
1019         // short variables grouped to save memory (4 bytes)
1020         short                   angle; // base rotation of particle
1021         short                   spin; // geometry rotation speed around the particle center normal
1022
1023         // byte variables grouped to save memory (12 bytes)
1024         unsigned char   color[3];
1025         unsigned char   qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
1026         unsigned char   typeindex;
1027         unsigned char   blendmode;
1028         unsigned char   orientation;
1029         unsigned char   texnum;
1030         unsigned char   staincolor[3];
1031         signed char     staintexnum;
1032 }
1033 particle_t;
1034
1035 typedef enum cl_parsingtextmode_e
1036 {
1037         CL_PARSETEXTMODE_NONE,
1038         CL_PARSETEXTMODE_PING,
1039         CL_PARSETEXTMODE_STATUS,
1040         CL_PARSETEXTMODE_STATUS_PLAYERID,
1041         CL_PARSETEXTMODE_STATUS_PLAYERIP
1042 }
1043 cl_parsingtextmode_t;
1044
1045 typedef struct cl_locnode_s
1046 {
1047         struct cl_locnode_s *next;
1048         char *name;
1049         vec3_t mins, maxs;
1050 }
1051 cl_locnode_t;
1052
1053 typedef struct showlmp_s
1054 {
1055         qboolean        isactive;
1056         float           x;
1057         float           y;
1058         char            label[32];
1059         char            pic[128];
1060 }
1061 showlmp_t;
1062
1063 //
1064 // the client_state_t structure is wiped completely at every
1065 // server signon
1066 //
1067 typedef struct client_state_s
1068 {
1069         // true if playing in a local game and no one else is connected
1070         int islocalgame;
1071
1072         // send a clc_nop periodically until connected
1073         float sendnoptime;
1074
1075         // current input being accumulated by mouse/joystick/etc input
1076         usercmd_t cmd;
1077         // latest moves sent to the server that have not been confirmed yet
1078         usercmd_t movecmd[CL_MAX_USERCMDS];
1079
1080 // information for local display
1081         // health, etc
1082         int stats[MAX_CL_STATS];
1083         float *statsf; // points to stats[] array
1084         // last known inventory bit flags, for blinking
1085         int olditems;
1086         // cl.time of acquiring item, for blinking
1087         float item_gettime[32];
1088         // last known STAT_ACTIVEWEAPON
1089         int activeweapon;
1090         // cl.time of changing STAT_ACTIVEWEAPON
1091         float weapontime;
1092         // use pain anim frame if cl.time < this
1093         float faceanimtime;
1094         // for stair smoothing
1095         float stairsmoothz;
1096         double stairsmoothtime;
1097
1098         // color shifts for damage, powerups
1099         cshift_t cshifts[NUM_CSHIFTS];
1100         // and content types
1101         cshift_t prev_cshifts[NUM_CSHIFTS];
1102
1103 // the client maintains its own idea of view angles, which are
1104 // sent to the server each frame.  The server sets punchangle when
1105 // the view is temporarily offset, and an angle reset commands at the start
1106 // of each level and after teleporting.
1107
1108         // mviewangles is read from demo
1109         // viewangles is either client controlled or lerped from mviewangles
1110         vec3_t mviewangles[2], viewangles;
1111         // update by server, used by qc to do weapon recoil
1112         vec3_t mpunchangle[2], punchangle;
1113         // update by server, can be used by mods to kick view around
1114         vec3_t mpunchvector[2], punchvector;
1115         // update by server, used for lean+bob (0 is newest)
1116         vec3_t mvelocity[2], velocity;
1117         // update by server, can be used by mods for zooming
1118         vec_t mviewzoom[2], viewzoom;
1119         // if true interpolation the mviewangles and other interpolation of the
1120         // player is disabled until the next network packet
1121         // this is used primarily by teleporters, and when spectating players
1122         // special checking of the old fixangle[1] is used to differentiate
1123         // between teleporting and spectating
1124         qboolean fixangle[2];
1125
1126         // client movement simulation
1127         // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
1128         // set by CL_ClientMovement_Replay functions
1129         qboolean movement_predicted;
1130         // if true the CL_ClientMovement_Replay function will update origin, etc
1131         qboolean movement_replay;
1132         // simulated data (this is valid even if cl.movement is false)
1133         vec3_t movement_origin;
1134         vec3_t movement_velocity;
1135         // whether the replay should allow a jump at the first sequence
1136         qboolean movement_replay_canjump;
1137
1138         // previous gun angles (for leaning effects)
1139         vec3_t gunangles_prev;
1140         vec3_t gunangles_highpass;
1141         vec3_t gunangles_adjustment_lowpass;
1142         vec3_t gunangles_adjustment_highpass;
1143         // previous gun angles (for leaning effects)
1144         vec3_t gunorg_prev;
1145         vec3_t gunorg_highpass;
1146         vec3_t gunorg_adjustment_lowpass;
1147         vec3_t gunorg_adjustment_highpass;
1148
1149 // pitch drifting vars
1150         float idealpitch;
1151         float pitchvel;
1152         qboolean nodrift;
1153         float driftmove;
1154         double laststop;
1155
1156 //[515]: added for csqc purposes
1157         float sensitivityscale;
1158         csqc_vidvars_t csqc_vidvars;    //[515]: these parms must be set to true by default
1159         qboolean csqc_wantsmousemove;
1160         qboolean csqc_paused; // vortex: int because could be flags
1161         struct model_s *csqc_model_precache[MAX_MODELS];
1162
1163         // local amount for smoothing stepups
1164         //float crouch;
1165
1166         // sent by server
1167         qboolean paused;
1168         qboolean onground;
1169         qboolean inwater;
1170
1171         // used by bob
1172         qboolean oldonground;
1173         double lastongroundtime;
1174         double hitgroundtime;
1175         float bob2_smooth;
1176         float bobfall_speed;
1177         float bobfall_swing;
1178         double calcrefdef_prevtime;
1179
1180         // don't change view angle, full screen, etc
1181         int intermission;
1182         // latched at intermission start
1183         double completed_time;
1184
1185         // the timestamp of the last two messages
1186         double mtime[2];
1187
1188         // clients view of time, time should be between mtime[0] and mtime[1] to
1189         // generate a lerp point for other data, oldtime is the previous frame's
1190         // value of time, frametime is the difference between time and oldtime
1191         // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1192         // is only forcefully limited when a packet is received
1193         double time, oldtime;
1194         // how long it has been since the previous client frame in real time
1195         // (not game time, for that use cl.time - cl.oldtime)
1196         double realframetime;
1197         
1198         // fade var for fading while dead
1199         float deathfade;
1200
1201         // motionblur alpha level variable
1202         float motionbluralpha;
1203
1204         // copy of realtime from last recieved message, for net trouble icon
1205         float last_received_message;
1206
1207 // information that is static for the entire time connected to a server
1208         struct model_s *model_precache[MAX_MODELS];
1209         struct sfx_s *sound_precache[MAX_SOUNDS];
1210
1211         // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1212         char model_name[MAX_MODELS][MAX_QPATH];
1213         char sound_name[MAX_SOUNDS][MAX_QPATH];
1214
1215         // for display on solo scoreboard
1216         char worldmessage[40]; // map title (not related to filename)
1217         // variants of map name
1218         char worldbasename[MAX_QPATH]; // %s
1219         char worldname[MAX_QPATH]; // maps/%s.bsp
1220         char worldnamenoextension[MAX_QPATH]; // maps/%s
1221         // cl_entitites[cl.viewentity] = player
1222         int viewentity;
1223         // the real player entity (normally same as viewentity,
1224         // different than viewentity if mod uses chasecam or other tricks)
1225         int realplayerentity;
1226         // this is updated to match cl.viewentity whenever it is in the clients
1227         // range, basically this is used in preference to cl.realplayerentity for
1228         // most purposes because when spectating another player it should show
1229         // their information rather than yours
1230         int playerentity;
1231         // max players that can be in this game
1232         int maxclients;
1233         // type of game (deathmatch, coop, singleplayer)
1234         int gametype;
1235
1236         // models and sounds used by engine code (particularly cl_parse.c)
1237         dp_model_t *model_bolt;
1238         dp_model_t *model_bolt2;
1239         dp_model_t *model_bolt3;
1240         dp_model_t *model_beam;
1241         sfx_t *sfx_wizhit;
1242         sfx_t *sfx_knighthit;
1243         sfx_t *sfx_tink1;
1244         sfx_t *sfx_ric1;
1245         sfx_t *sfx_ric2;
1246         sfx_t *sfx_ric3;
1247         sfx_t *sfx_r_exp3;
1248         // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1249         qboolean foundteamchatsound;
1250
1251 // refresh related state
1252
1253         // cl_entitites[0].model
1254         struct model_s *worldmodel;
1255
1256         // the gun model
1257         entity_t viewent;
1258
1259         // cd audio
1260         int cdtrack, looptrack;
1261
1262 // frag scoreboard
1263
1264         // [cl.maxclients]
1265         scoreboard_t *scores;
1266
1267         // keep track of svc_print parsing state (analyzes ping reports and status reports)
1268         cl_parsingtextmode_t parsingtextmode;
1269         int parsingtextplayerindex;
1270         // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1271         // (which could eat the wrong ping report if the player issues one
1272         //  manually, but they would still see a ping report, just a later one
1273         //  caused by the scoreboard code rather than the one they intentionally
1274         //  issued)
1275         int parsingtextexpectingpingforscores;
1276
1277         // entity database stuff
1278         // latest received entity frame numbers
1279 #define LATESTFRAMENUMS 32
1280         int latestframenumsposition;
1281         int latestframenums[LATESTFRAMENUMS];
1282         unsigned int latestsendnums[LATESTFRAMENUMS];
1283         entityframe_database_t *entitydatabase;
1284         entityframe4_database_t *entitydatabase4;
1285         entityframeqw_database_t *entitydatabaseqw;
1286
1287         // keep track of quake entities because they need to be killed if they get stale
1288         int lastquakeentity;
1289         unsigned char isquakeentity[MAX_EDICTS];
1290
1291         // bounding boxes for clientside movement
1292         vec3_t playerstandmins;
1293         vec3_t playerstandmaxs;
1294         vec3_t playercrouchmins;
1295         vec3_t playercrouchmaxs;
1296
1297         // old decals are killed based on this
1298         unsigned int decalsequence;
1299
1300         int max_entities;
1301         int max_csqcrenderentities;
1302         int max_static_entities;
1303         int max_effects;
1304         int max_beams;
1305         int max_dlights;
1306         int max_lightstyle;
1307         int max_brushmodel_entities;
1308         int max_particles;
1309         int max_showlmps;
1310
1311         entity_t *entities;
1312         entity_render_t *csqcrenderentities;
1313         unsigned char *entities_active;
1314         entity_t *static_entities;
1315         cl_effect_t *effects;
1316         beam_t *beams;
1317         dlight_t *dlights;
1318         lightstyle_t *lightstyle;
1319         int *brushmodel_entities;
1320         particle_t *particles;
1321         showlmp_t *showlmps;
1322
1323         int num_entities;
1324         int num_static_entities;
1325         int num_brushmodel_entities;
1326         int num_effects;
1327         int num_beams;
1328         int num_dlights;
1329         int num_particles;
1330         int num_decals;
1331         int num_showlmps;
1332
1333         double particles_updatetime;
1334         double decals_updatetime;
1335         int free_particle;
1336         int free_decal;
1337
1338         // cl_serverextension_download feature
1339         int loadmodel_current;
1340         int downloadmodel_current;
1341         int loadmodel_total;
1342         int loadsound_current;
1343         int downloadsound_current;
1344         int loadsound_total;
1345         qboolean downloadcsqc;
1346         qboolean loadcsqc;
1347         qboolean loadbegun;
1348         qboolean loadfinished;
1349
1350         // quakeworld stuff
1351
1352         // local copy of the server infostring
1353         char qw_serverinfo[MAX_SERVERINFO_STRING];
1354
1355         // time of last qw "pings" command sent to server while showing scores
1356         double last_ping_request;
1357
1358         // used during connect
1359         int qw_servercount;
1360
1361         // updated from serverinfo
1362         int qw_teamplay;
1363
1364         // unused: indicates whether the player is spectating
1365         // use cl.scores[cl.playerentity-1].qw_spectator instead
1366         //qboolean qw_spectator;
1367
1368         // last time an input packet was sent
1369         double lastpackettime;
1370
1371         // movement parameters for client prediction
1372         unsigned int moveflags;
1373         float movevars_wallfriction;
1374         float movevars_waterfriction;
1375         float movevars_friction;
1376         float movevars_timescale;
1377         float movevars_gravity;
1378         float movevars_stopspeed;
1379         float movevars_maxspeed;
1380         float movevars_spectatormaxspeed;
1381         float movevars_accelerate;
1382         float movevars_airaccelerate;
1383         float movevars_wateraccelerate;
1384         float movevars_entgravity;
1385         float movevars_jumpvelocity;
1386         float movevars_edgefriction;
1387         float movevars_maxairspeed;
1388         float movevars_stepheight;
1389         float movevars_airaccel_qw;
1390         float movevars_airaccel_qw_stretchfactor;
1391         float movevars_airaccel_sideways_friction;
1392         float movevars_airstopaccelerate;
1393         float movevars_airstrafeaccelerate;
1394         float movevars_maxairstrafespeed;
1395         float movevars_airstrafeaccel_qw;
1396         float movevars_aircontrol;
1397         float movevars_aircontrol_power;
1398         float movevars_aircontrol_penalty;
1399         float movevars_warsowbunny_airforwardaccel;
1400         float movevars_warsowbunny_accel;
1401         float movevars_warsowbunny_topspeed;
1402         float movevars_warsowbunny_turnaccel;
1403         float movevars_warsowbunny_backtosideratio;
1404         float movevars_ticrate;
1405         float movevars_airspeedlimit_nonqw;
1406
1407         // models used by qw protocol
1408         int qw_modelindex_spike;
1409         int qw_modelindex_player;
1410         int qw_modelindex_flag;
1411         int qw_modelindex_s_explod;
1412
1413         vec3_t qw_intermission_origin;
1414         vec3_t qw_intermission_angles;
1415
1416         // 255 is the most nails the QW protocol could send
1417         int qw_num_nails;
1418         vec_t qw_nails[255][6];
1419
1420         float qw_weaponkick;
1421
1422         unsigned int qw_validsequence;
1423
1424         unsigned int qw_deltasequence[QW_UPDATE_BACKUP];
1425
1426         // csqc stuff:
1427         // server entity number corresponding to a clientside entity
1428         unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1429         qboolean csqc_loaded;
1430         vec3_t csqc_vieworigin;
1431         vec3_t csqc_viewangles;
1432         vec3_t csqc_vieworiginfromengine;
1433         vec3_t csqc_viewanglesfromengine;
1434         matrix4x4_t csqc_viewmodelmatrixfromengine;
1435         qboolean csqc_usecsqclistener;
1436         matrix4x4_t csqc_listenermatrix;
1437         char csqc_printtextbuf[MAX_INPUTLINE];
1438
1439         // collision culling data
1440         world_t world;
1441
1442         // loc file stuff (points and boxes describing locations in the level)
1443         cl_locnode_t *locnodes;
1444         // this is updated to cl.movement_origin whenever health is < 1
1445         // used by %d print in say/say_team messages if cl_locs_enable is on
1446         vec3_t lastdeathorigin;
1447
1448         // processing buffer used by R_BuildLightMap, reallocated as needed,
1449         // freed on each level change
1450         size_t buildlightmapmemorysize;
1451         unsigned char *buildlightmapmemory;
1452
1453         // used by EntityState5_ReadUpdate
1454         skeleton_t *engineskeletonobjects;
1455 }
1456 client_state_t;
1457
1458 //
1459 // cvars
1460 //
1461 extern cvar_t cl_name;
1462 extern cvar_t cl_color;
1463 extern cvar_t cl_rate;
1464 extern cvar_t cl_rate_burstsize;
1465 extern cvar_t cl_pmodel;
1466 extern cvar_t cl_playermodel;
1467 extern cvar_t cl_playerskin;
1468
1469 extern cvar_t rcon_password;
1470 extern cvar_t rcon_address;
1471
1472 extern cvar_t cl_upspeed;
1473 extern cvar_t cl_forwardspeed;
1474 extern cvar_t cl_backspeed;
1475 extern cvar_t cl_sidespeed;
1476
1477 extern cvar_t cl_movespeedkey;
1478
1479 extern cvar_t cl_yawspeed;
1480 extern cvar_t cl_pitchspeed;
1481
1482 extern cvar_t cl_anglespeedkey;
1483
1484 extern cvar_t cl_autofire;
1485
1486 extern cvar_t cl_shownet;
1487 extern cvar_t cl_nolerp;
1488 extern cvar_t cl_nettimesyncfactor;
1489 extern cvar_t cl_nettimesyncboundmode;
1490 extern cvar_t cl_nettimesyncboundtolerance;
1491
1492 extern cvar_t cl_pitchdriftspeed;
1493 extern cvar_t lookspring;
1494 extern cvar_t lookstrafe;
1495 extern cvar_t sensitivity;
1496
1497 extern cvar_t freelook;
1498
1499 extern cvar_t m_pitch;
1500 extern cvar_t m_yaw;
1501 extern cvar_t m_forward;
1502 extern cvar_t m_side;
1503
1504 extern cvar_t cl_autodemo;
1505 extern cvar_t cl_autodemo_nameformat;
1506 extern cvar_t cl_autodemo_delete;
1507
1508 extern cvar_t r_draweffects;
1509
1510 extern cvar_t cl_explosions_alpha_start;
1511 extern cvar_t cl_explosions_alpha_end;
1512 extern cvar_t cl_explosions_size_start;
1513 extern cvar_t cl_explosions_size_end;
1514 extern cvar_t cl_explosions_lifetime;
1515 extern cvar_t cl_stainmaps;
1516 extern cvar_t cl_stainmaps_clearonload;
1517
1518 extern cvar_t cl_prydoncursor;
1519 extern cvar_t cl_prydoncursor_notrace;
1520
1521 extern cvar_t cl_locs_enable;
1522
1523 extern client_state_t cl;
1524
1525 extern void CL_AllocLightFlash (entity_render_t *ent, matrix4x4_t *matrix, float radius, float red, float green, float blue, float decay, float lifetime, char *cubemapname, int style, int shadowenable, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags);
1526
1527 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1528 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1529
1530 //=============================================================================
1531
1532 //
1533 // cl_main
1534 //
1535
1536 void CL_Shutdown (void);
1537 void CL_Init (void);
1538
1539 void CL_EstablishConnection(const char *host, int firstarg);
1540
1541 void CL_Disconnect (void);
1542 void CL_Disconnect_f(cmd_state_t *cmd);
1543
1544 void CL_UpdateRenderEntity(entity_render_t *ent);
1545 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1546 void CL_UpdateViewEntities(void);
1547
1548 //
1549 // cl_input
1550 //
1551 typedef struct kbutton_s
1552 {
1553         int             down[2];                // key nums holding it down
1554         int             state;                  // low bit is down state
1555 }
1556 kbutton_t;
1557
1558 extern  kbutton_t       in_mlook, in_klook;
1559 extern  kbutton_t       in_strafe;
1560 extern  kbutton_t       in_speed;
1561
1562 void CL_InitInput (void);
1563 void CL_SendMove (void);
1564
1565 void CL_ValidateState(entity_state_t *s);
1566 void CL_MoveLerpEntityStates(entity_t *ent);
1567 void CL_LerpUpdate(entity_t *e);
1568 void CL_ParseTEnt (void);
1569 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1570 void CL_RelinkBeams (void);
1571 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1572 void CL_ClientMovement_Replay(void);
1573
1574 void CL_ClearTempEntities (void);
1575 entity_render_t *CL_NewTempEntity (double shadertime);
1576
1577 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1578
1579 void CL_ClearState (void);
1580 void CL_ExpandEntities(int num);
1581 void CL_ExpandCSQCRenderEntities(int num);
1582 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1583
1584
1585 void CL_UpdateWorld (void);
1586 void CL_WriteToServer (void);
1587 void CL_Input (void);
1588 extern int cl_ignoremousemoves;
1589
1590
1591 float CL_KeyState (kbutton_t *key);
1592 const char *Key_KeynumToString (int keynum, char *buf, size_t buflength);
1593 int Key_StringToKeynum (const char *str);
1594
1595 //
1596 // cl_demo.c
1597 //
1598 void CL_StopPlayback(void);
1599 void CL_ReadDemoMessage(void);
1600 void CL_WriteDemoMessage(sizebuf_t *mesage);
1601
1602 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1603 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1604
1605 void CL_NextDemo(void);
1606 void CL_Stop_f(cmd_state_t *cmd);
1607 void CL_Record_f(cmd_state_t *cmd);
1608 void CL_PlayDemo_f(cmd_state_t *cmd);
1609 void CL_TimeDemo_f(cmd_state_t *cmd);
1610
1611 void CL_Demo_Init(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_f(cmd_state_t *cmd);
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], float fade);
1715 void CL_ParticleBox(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], float fade);
1716 void CL_ParseParticleEffect (void);
1717 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);
1718 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1719 void CL_EntityParticles (const entity_t *ent);
1720 void CL_ParticleExplosion (const vec3_t org);
1721 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1722 void R_NewExplosion(const vec3_t org);
1723
1724 #include "cl_screen.h"
1725
1726 extern qboolean sb_showscores;
1727
1728 float RSurf_FogVertex(const vec3_t p);
1729 float RSurf_FogPoint(const vec3_t p);
1730
1731 typedef enum r_viewport_type_e
1732 {
1733         R_VIEWPORTTYPE_ORTHO,
1734         R_VIEWPORTTYPE_PERSPECTIVE,
1735         R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1736         R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1737         R_VIEWPORTTYPE_TOTAL
1738 }
1739 r_viewport_type_t;
1740
1741 typedef struct r_viewport_s
1742 {
1743         matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1744         matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1745         matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1746         int x;
1747         int y;
1748         int z;
1749         int width;
1750         int height;
1751         int depth;
1752         r_viewport_type_t type;
1753         float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1754 }
1755 r_viewport_t;
1756
1757 typedef struct r_refdef_view_s
1758 {
1759         // view information (changes multiple times per frame)
1760         // if any of these variables change then r_refdef.viewcache must be regenerated
1761         // by calling R_View_Update
1762         // (which also updates viewport, scissor, colormask)
1763
1764         // it is safe and expected to copy this into a structure on the stack and
1765         // call the renderer recursively, then restore from the stack afterward
1766         // (as long as R_View_Update is called)
1767
1768         // eye position information
1769         matrix4x4_t matrix, inverse_matrix;
1770         vec3_t origin;
1771         vec3_t forward;
1772         vec3_t left;
1773         vec3_t right;
1774         vec3_t up;
1775         int numfrustumplanes;
1776         mplane_t frustum[6];
1777         qboolean useclipplane;
1778         qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1779         mplane_t clipplane;
1780         float frustum_x, frustum_y;
1781         vec3_t frustumcorner[4];
1782         // if turned off it renders an ortho view
1783         int useperspective;
1784         // allows visibility culling based on the view origin (e.g. pvs and R_CanSeeBox)
1785         // this is turned off by:
1786         // r_trippy
1787         // !r_refdef.view.useperspective
1788         // (sometimes) r_refdef.view.useclipplane
1789         int usevieworiginculling;
1790         float ortho_x, ortho_y;
1791
1792         // screen area to render in
1793         int x;
1794         int y;
1795         int z;
1796         int width;
1797         int height;
1798         int depth;
1799         r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1800
1801         // which color components to allow (for anaglyph glasses)
1802         int colormask[4];
1803
1804         // global RGB color multiplier for rendering
1805         float colorscale;
1806
1807         // whether to call R_ClearScreen before rendering stuff
1808         qboolean clear;
1809         // if true, don't clear or do any post process effects (bloom, etc)
1810         qboolean isoverlay;
1811         // 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)
1812         qboolean ismain;
1813
1814         // whether to draw r_showtris and such, this is only true for the main
1815         // view render, all secondary renders (mirrors, portals, cameras,
1816         // distortion effects, etc) omit such debugging information
1817         qboolean showdebug;
1818
1819         // these define which values to use in GL_CullFace calls to request frontface or backface culling
1820         int cullface_front;
1821         int cullface_back;
1822
1823         // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1824         float quality;
1825 }
1826 r_refdef_view_t;
1827
1828 typedef struct r_refdef_viewcache_s
1829 {
1830         // updated by gl_main_newmap()
1831         int maxentities;
1832         int world_numclusters;
1833         int world_numclusterbytes;
1834         int world_numleafs;
1835         int world_numsurfaces;
1836
1837         // these properties are generated by R_View_Update()
1838
1839         // which entities are currently visible for this viewpoint
1840         // (the used range is 0...r_refdef.scene.numentities)
1841         unsigned char *entityvisible;
1842
1843         // flag arrays used for visibility checking on world model
1844         // (all other entities have no per-surface/per-leaf visibility checks)
1845         unsigned char *world_pvsbits;
1846         unsigned char *world_leafvisible;
1847         unsigned char *world_surfacevisible;
1848         // if true, the view is currently in a leaf without pvs data
1849         qboolean world_novis;
1850 }
1851 r_refdef_viewcache_t;
1852
1853 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1854 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1855 typedef struct r_refdef_scene_s {
1856         // whether to call S_ExtraUpdate during render to reduce sound chop
1857         qboolean extraupdate;
1858
1859         // (client gameworld) time for rendering time based effects
1860         double time;
1861
1862         // the world
1863         entity_render_t *worldentity;
1864
1865         // same as worldentity->model
1866         dp_model_t *worldmodel;
1867
1868         // renderable entities (excluding world)
1869         entity_render_t **entities;
1870         int numentities;
1871         int maxentities;
1872
1873         // field of temporary entities that is reset each (client) frame
1874         entity_render_t *tempentities;
1875         int numtempentities;
1876         int maxtempentities;
1877         qboolean expandtempentities;
1878
1879         // renderable dynamic lights
1880         rtlight_t *lights[MAX_DLIGHTS];
1881         rtlight_t templights[MAX_DLIGHTS];
1882         int numlights;
1883
1884         // intensities for light styles right now, controls rtlights
1885         float rtlightstylevalue[MAX_LIGHTSTYLES];       // float fraction of base light value
1886         // 8.8bit fixed point intensities for light styles
1887         // controls intensity lightmap layers
1888         unsigned short lightstylevalue[MAX_LIGHTSTYLES];        // 8.8 fraction of base light value
1889
1890         // adds brightness to the whole scene, separate from lightmapintensity
1891         // see CL_UpdateEntityShading
1892         float ambientintensity;
1893         // brightness of lightmap and modellight lighting on materials
1894         // see CL_UpdateEntityShading
1895         float lightmapintensity;
1896
1897         qboolean rtworld;
1898         qboolean rtworldshadows;
1899         qboolean rtdlight;
1900         qboolean rtdlightshadows;
1901 } r_refdef_scene_t;
1902
1903 typedef struct r_refdef_s
1904 {
1905         // these fields define the basic rendering information for the world
1906         // but not the view, which could change multiple times in one rendered
1907         // frame (for example when rendering textures for certain effects)
1908
1909         // these are set for water warping before
1910         // frustum_x/frustum_y are calculated
1911         float frustumscale_x, frustumscale_y;
1912
1913         // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1914         r_refdef_view_t view;
1915         r_refdef_viewcache_t viewcache;
1916
1917         // minimum visible distance (pixels closer than this disappear)
1918         double nearclip;
1919         // maximum visible distance (pixels further than this disappear in 16bpp modes,
1920         // in 32bpp an infinite-farclip matrix is used instead)
1921         double farclip;
1922
1923         // fullscreen color blend
1924         float viewblend[4];
1925
1926         r_refdef_scene_t scene;
1927
1928         float fogplane[4];
1929         float fogplaneviewdist;
1930         qboolean fogplaneviewabove;
1931         float fogheightfade;
1932         float fogcolor[3];
1933         float fogrange;
1934         float fograngerecip;
1935         float fogmasktabledistmultiplier;
1936 #define FOGMASKTABLEWIDTH 1024
1937         float fogmasktable[FOGMASKTABLEWIDTH];
1938         float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1939         float fog_density;
1940         float fog_red;
1941         float fog_green;
1942         float fog_blue;
1943         float fog_alpha;
1944         float fog_start;
1945         float fog_end;
1946         float fog_height;
1947         float fog_fadedepth;
1948         qboolean fogenabled;
1949         qboolean oldgl_fogenable;
1950
1951         // new flexible texture height fog (overrides normal fog)
1952         char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1953         unsigned char *fog_height_table1d;
1954         unsigned char *fog_height_table2d;
1955         int fog_height_tablesize; // enable
1956         float fog_height_tablescale;
1957         float fog_height_texcoordscale;
1958         char fogheighttexturename[64]; // detects changes to active fog height texture
1959
1960         int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1961
1962         // true during envmap command capture
1963         qboolean envmap;
1964
1965         // whether to draw world lights realtime, dlights realtime, and their shadows
1966         float polygonfactor;
1967         float polygonoffset;
1968
1969         // how long R_RenderView took on the previous frame
1970         double lastdrawscreentime;
1971
1972         // rendering stats for r_speeds display
1973         // (these are incremented in many places)
1974         int stats[r_stat_count];
1975 }
1976 r_refdef_t;
1977
1978 extern r_refdef_t r_refdef;
1979
1980 typedef enum waterlevel_e
1981 {
1982         WATERLEVEL_NONE,
1983         WATERLEVEL_WETFEET,
1984         WATERLEVEL_SWIMMING,
1985         WATERLEVEL_SUBMERGED
1986 }
1987 waterlevel_t;
1988
1989 typedef struct cl_clientmovement_state_s
1990 {
1991         // entity to be ignored for movement
1992         struct prvm_edict_s *self;
1993         // position
1994         vec3_t origin;
1995         vec3_t velocity;
1996         // current bounding box (different if crouched vs standing)
1997         vec3_t mins;
1998         vec3_t maxs;
1999         // currently on the ground
2000         qboolean onground;
2001         // currently crouching
2002         qboolean crouched;
2003         // what kind of water (SUPERCONTENTS_LAVA for instance)
2004         int watertype;
2005         // how deep
2006         waterlevel_t waterlevel;
2007         // weird hacks when jumping out of water
2008         // (this is in seconds and counts down to 0)
2009         float waterjumptime;
2010
2011         // user command
2012         usercmd_t cmd;
2013 }
2014 cl_clientmovement_state_t;
2015 void CL_ClientMovement_PlayerMove_Frame(cl_clientmovement_state_t *s);
2016
2017 // warpzone prediction hack (CSQC builtin)
2018 void CL_RotateMoves(const matrix4x4_t *m);
2019
2020 typedef enum meshname_e {
2021         MESH_SCENE, // CSQC R_PolygonBegin, potentially also engine particles and debug stuff
2022         MESH_UI,
2023         NUM_MESHENTITIES,
2024 } meshname_t;
2025 extern entity_t cl_meshentities[NUM_MESHENTITIES];
2026 extern dp_model_t cl_meshentitymodels[NUM_MESHENTITIES];
2027 extern const char *cl_meshentitynames[NUM_MESHENTITIES];
2028 #define CL_Mesh_Scene() (&cl_meshentitymodels[MESH_SCENE])
2029 #define CL_Mesh_UI() (&cl_meshentitymodels[MESH_UI])
2030 void CL_MeshEntities_Scene_Clear(void);
2031 void CL_MeshEntities_Scene_AddRenderEntity(void);
2032 void CL_MeshEntities_Scene_FinalizeRenderEntity(void);
2033 void CL_UpdateEntityShading(void);
2034
2035 void CL_NewFrameReceived(int num);
2036 void CL_ParseEntityLump(char *entitystring);
2037 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
2038 void CL_RelinkLightFlashes(void);
2039 void CL_Beam_AddPolygons(const beam_t *b);
2040 void Sbar_ShowFPS(void);
2041 void Sbar_ShowFPS_Update(void);
2042 void Host_SaveConfig(void);
2043 void Host_LoadConfig_f(cmd_state_t *cmd);
2044 void CL_UpdateMoveVars(void);
2045 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length);
2046 void V_DriftPitch(void);
2047 void V_FadeViewFlashs(void);
2048 void V_CalcViewBlend(void);
2049 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);
2050 void V_CalcRefdef(void);
2051 void V_MakeViewIsometric(void);
2052 void V_MakeViewIsometric(void);
2053 void V_StartPitchDrift(void);
2054 void CL_Locs_Reload_f(cmd_state_t *cmd);
2055
2056 #endif
2057