4b6e5660355086a153db3b68cc7b5c000f4cd912
[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         unsigned 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         unsigned 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         lhnetaddress_t rcon_address;
838         // protocol version of the server we're connected to
839         // (kept outside client_state_t because it's used between levels)
840         protocolversion_t protocol;
841
842 #define MAX_RCONS 16
843         int rcon_trying;
844         lhnetaddress_t rcon_addresses[MAX_RCONS];
845         char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
846         double rcon_timeout[MAX_RCONS];
847         int rcon_ringpos;
848
849 // connection information
850         // 0 to SIGNONS
851         int signon;
852         // network connection
853         netconn_t *netcon;
854
855         // download information
856         // (note: qw_download variables are also used)
857         cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
858
859         // input sequence numbers are not reset on level change, only connect
860         unsigned 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         unsigned int qw_incoming_sequence;
868         unsigned 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 //[515]: csqc
925 typedef struct
926 {
927         qboolean drawworld;
928         qboolean drawenginesbar;
929         qboolean drawcrosshair;
930 }csqc_vidvars_t;
931
932 typedef enum
933 {
934         PARTICLE_BILLBOARD = 0,
935         PARTICLE_SPARK = 1,
936         PARTICLE_ORIENTED_DOUBLESIDED = 2,
937         PARTICLE_VBEAM = 3,
938         PARTICLE_HBEAM = 4,
939         PARTICLE_INVALID = -1
940 }
941 porientation_t;
942
943 typedef enum
944 {
945         PBLEND_ALPHA = 0,
946         PBLEND_ADD = 1,
947         PBLEND_INVMOD = 2,
948         PBLEND_INVALID = -1
949 }
950 pblend_t;
951
952 typedef struct particletype_s
953 {
954         pblend_t blendmode;
955         porientation_t orientation;
956         qboolean lighting;
957 }
958 particletype_t;
959
960 typedef enum ptype_e
961 {
962         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
963 }
964 ptype_t;
965
966 typedef struct decal_s
967 {
968         // fields used by rendering:  (44 bytes)
969         unsigned short  typeindex;
970         unsigned short  texnum;
971         unsigned int    decalsequence;
972         vec3_t                  org;
973         vec3_t                  normal;
974         float                   size;
975         float                   alpha; // 0-255
976         unsigned char   color[3];
977         unsigned char   unused1;
978         int                             clusterindex; // cheap culling by pvs
979
980         // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
981         float                   time2; // used for decal fade
982         unsigned int    owner; // decal stuck to this entity
983         dp_model_t                      *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
984         vec3_t                  relativeorigin; // decal at this location in entity's coordinate space
985         vec3_t                  relativenormal; // decal oriented this way relative to entity's coordinate space
986 }
987 decal_t;
988
989 typedef struct particle_s
990 {
991         // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
992
993         // fields used by rendering: (48 bytes)
994         vec3_t          sortorigin; // sort by this group origin, not particle org
995         vec3_t          org;
996         vec3_t          vel; // velocity of particle, or orientation of decal, or end point of beam
997         float           size;
998         float           alpha; // 0-255
999         float           stretch; // only for sparks
1000
1001         // fields not used by rendering:  (44 bytes)
1002         float           stainsize;
1003         float           stainalpha;
1004         float           sizeincrease; // rate of size change per second
1005         float           alphafade; // how much alpha reduces per second
1006         float           time2; // used for snow fluttering and decal fade
1007         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)
1008         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
1009         float           airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
1010         float           liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
1011 //      float           delayedcollisions; // time that p->bounce becomes active
1012         float           delayedspawn; // time that particle appears and begins moving
1013         float           die; // time when this particle should be removed, regardless of alpha
1014
1015         // short variables grouped to save memory (4 bytes)
1016         short                   angle; // base rotation of particle
1017         short                   spin; // geometry rotation speed around the particle center normal
1018
1019         // byte variables grouped to save memory (12 bytes)
1020         unsigned char   color[3];
1021         unsigned char   qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
1022         unsigned char   typeindex;
1023         unsigned char   blendmode;
1024         unsigned char   orientation;
1025         unsigned char   texnum;
1026         unsigned char   staincolor[3];
1027         signed char     staintexnum;
1028 }
1029 particle_t;
1030
1031 typedef enum cl_parsingtextmode_e
1032 {
1033         CL_PARSETEXTMODE_NONE,
1034         CL_PARSETEXTMODE_PING,
1035         CL_PARSETEXTMODE_STATUS,
1036         CL_PARSETEXTMODE_STATUS_PLAYERID,
1037         CL_PARSETEXTMODE_STATUS_PLAYERIP
1038 }
1039 cl_parsingtextmode_t;
1040
1041 typedef struct cl_locnode_s
1042 {
1043         struct cl_locnode_s *next;
1044         char *name;
1045         vec3_t mins, maxs;
1046 }
1047 cl_locnode_t;
1048
1049 typedef struct showlmp_s
1050 {
1051         qboolean        isactive;
1052         float           x;
1053         float           y;
1054         char            label[32];
1055         char            pic[128];
1056 }
1057 showlmp_t;
1058
1059 //
1060 // the client_state_t structure is wiped completely at every
1061 // server signon
1062 //
1063 typedef struct client_state_s
1064 {
1065         // true if playing in a local game and no one else is connected
1066         int islocalgame;
1067
1068         // send a clc_nop periodically until connected
1069         float sendnoptime;
1070
1071         // current input being accumulated by mouse/joystick/etc input
1072         usercmd_t cmd;
1073         // latest moves sent to the server that have not been confirmed yet
1074         usercmd_t movecmd[CL_MAX_USERCMDS];
1075
1076 // information for local display
1077         // health, etc
1078         int stats[MAX_CL_STATS];
1079         float *statsf; // points to stats[] array
1080         // last known inventory bit flags, for blinking
1081         int olditems;
1082         // cl.time of acquiring item, for blinking
1083         float item_gettime[32];
1084         // last known STAT_ACTIVEWEAPON
1085         int activeweapon;
1086         // cl.time of changing STAT_ACTIVEWEAPON
1087         float weapontime;
1088         // use pain anim frame if cl.time < this
1089         float faceanimtime;
1090         // for stair smoothing
1091         float stairsmoothz;
1092         double stairsmoothtime;
1093
1094         // color shifts for damage, powerups
1095         cshift_t cshifts[NUM_CSHIFTS];
1096         // and content types
1097         cshift_t prev_cshifts[NUM_CSHIFTS];
1098
1099 // the client maintains its own idea of view angles, which are
1100 // sent to the server each frame.  The server sets punchangle when
1101 // the view is temporarily offset, and an angle reset commands at the start
1102 // of each level and after teleporting.
1103
1104         // mviewangles is read from demo
1105         // viewangles is either client controlled or lerped from mviewangles
1106         vec3_t mviewangles[2], viewangles;
1107         // update by server, used by qc to do weapon recoil
1108         vec3_t mpunchangle[2], punchangle;
1109         // update by server, can be used by mods to kick view around
1110         vec3_t mpunchvector[2], punchvector;
1111         // update by server, used for lean+bob (0 is newest)
1112         vec3_t mvelocity[2], velocity;
1113         // update by server, can be used by mods for zooming
1114         vec_t mviewzoom[2], viewzoom;
1115         // if true interpolation the mviewangles and other interpolation of the
1116         // player is disabled until the next network packet
1117         // this is used primarily by teleporters, and when spectating players
1118         // special checking of the old fixangle[1] is used to differentiate
1119         // between teleporting and spectating
1120         qboolean fixangle[2];
1121
1122         // client movement simulation
1123         // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
1124         // set by CL_ClientMovement_Replay functions
1125         qboolean movement_predicted;
1126         // if true the CL_ClientMovement_Replay function will update origin, etc
1127         qboolean movement_replay;
1128         // simulated data (this is valid even if cl.movement is false)
1129         vec3_t movement_origin;
1130         vec3_t movement_velocity;
1131         // whether the replay should allow a jump at the first sequence
1132         qboolean movement_replay_canjump;
1133
1134         // previous gun angles (for leaning effects)
1135         vec3_t gunangles_prev;
1136         vec3_t gunangles_highpass;
1137         vec3_t gunangles_adjustment_lowpass;
1138         vec3_t gunangles_adjustment_highpass;
1139         // previous gun angles (for leaning effects)
1140         vec3_t gunorg_prev;
1141         vec3_t gunorg_highpass;
1142         vec3_t gunorg_adjustment_lowpass;
1143         vec3_t gunorg_adjustment_highpass;
1144
1145 // pitch drifting vars
1146         float idealpitch;
1147         float pitchvel;
1148         qboolean nodrift;
1149         float driftmove;
1150         double laststop;
1151
1152 //[515]: added for csqc purposes
1153         float sensitivityscale;
1154         csqc_vidvars_t csqc_vidvars;    //[515]: these parms must be set to true by default
1155         qboolean csqc_wantsmousemove;
1156         qboolean csqc_paused; // vortex: int because could be flags
1157         struct model_s *csqc_model_precache[MAX_MODELS];
1158
1159         // local amount for smoothing stepups
1160         //float crouch;
1161
1162         // sent by server
1163         qboolean paused;
1164         qboolean onground;
1165         qboolean inwater;
1166
1167         // used by bob
1168         qboolean oldonground;
1169         double lastongroundtime;
1170         double hitgroundtime;
1171         float bob2_smooth;
1172         float bobfall_speed;
1173         float bobfall_swing;
1174         double calcrefdef_prevtime;
1175
1176         // don't change view angle, full screen, etc
1177         int intermission;
1178         // latched at intermission start
1179         double completed_time;
1180
1181         // the timestamp of the last two messages
1182         double mtime[2];
1183
1184         // clients view of time, time should be between mtime[0] and mtime[1] to
1185         // generate a lerp point for other data, oldtime is the previous frame's
1186         // value of time, frametime is the difference between time and oldtime
1187         // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1188         // is only forcefully limited when a packet is received
1189         double time, oldtime;
1190         // how long it has been since the previous client frame in real time
1191         // (not game time, for that use cl.time - cl.oldtime)
1192         double realframetime;
1193         
1194         // fade var for fading while dead
1195         float deathfade;
1196
1197         // motionblur alpha level variable
1198         float motionbluralpha;
1199
1200         // copy of realtime from last recieved message, for net trouble icon
1201         float last_received_message;
1202
1203 // information that is static for the entire time connected to a server
1204         struct model_s *model_precache[MAX_MODELS];
1205         struct sfx_s *sound_precache[MAX_SOUNDS];
1206
1207         // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1208         char model_name[MAX_MODELS][MAX_QPATH];
1209         char sound_name[MAX_SOUNDS][MAX_QPATH];
1210
1211         // for display on solo scoreboard
1212         char worldmessage[40]; // map title (not related to filename)
1213         // variants of map name
1214         char worldbasename[MAX_QPATH]; // %s
1215         char worldname[MAX_QPATH]; // maps/%s.bsp
1216         char worldnamenoextension[MAX_QPATH]; // maps/%s
1217         // cl_entitites[cl.viewentity] = player
1218         int viewentity;
1219         // the real player entity (normally same as viewentity,
1220         // different than viewentity if mod uses chasecam or other tricks)
1221         int realplayerentity;
1222         // this is updated to match cl.viewentity whenever it is in the clients
1223         // range, basically this is used in preference to cl.realplayerentity for
1224         // most purposes because when spectating another player it should show
1225         // their information rather than yours
1226         int playerentity;
1227         // max players that can be in this game
1228         int maxclients;
1229         // type of game (deathmatch, coop, singleplayer)
1230         int gametype;
1231
1232         // models and sounds used by engine code (particularly cl_parse.c)
1233         dp_model_t *model_bolt;
1234         dp_model_t *model_bolt2;
1235         dp_model_t *model_bolt3;
1236         dp_model_t *model_beam;
1237         sfx_t *sfx_wizhit;
1238         sfx_t *sfx_knighthit;
1239         sfx_t *sfx_tink1;
1240         sfx_t *sfx_ric1;
1241         sfx_t *sfx_ric2;
1242         sfx_t *sfx_ric3;
1243         sfx_t *sfx_r_exp3;
1244         // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1245         qboolean foundtalk2wav;
1246
1247 // refresh related state
1248
1249         // cl_entitites[0].model
1250         struct model_s *worldmodel;
1251
1252         // the gun model
1253         entity_t viewent;
1254
1255         // cd audio
1256         int cdtrack, looptrack;
1257
1258 // frag scoreboard
1259
1260         // [cl.maxclients]
1261         scoreboard_t *scores;
1262
1263         // keep track of svc_print parsing state (analyzes ping reports and status reports)
1264         cl_parsingtextmode_t parsingtextmode;
1265         int parsingtextplayerindex;
1266         // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1267         // (which could eat the wrong ping report if the player issues one
1268         //  manually, but they would still see a ping report, just a later one
1269         //  caused by the scoreboard code rather than the one they intentionally
1270         //  issued)
1271         int parsingtextexpectingpingforscores;
1272
1273         // entity database stuff
1274         // latest received entity frame numbers
1275 #define LATESTFRAMENUMS 32
1276         int latestframenumsposition;
1277         int latestframenums[LATESTFRAMENUMS];
1278         unsigned int latestsendnums[LATESTFRAMENUMS];
1279         entityframe_database_t *entitydatabase;
1280         entityframe4_database_t *entitydatabase4;
1281         entityframeqw_database_t *entitydatabaseqw;
1282
1283         // keep track of quake entities because they need to be killed if they get stale
1284         int lastquakeentity;
1285         unsigned char isquakeentity[MAX_EDICTS];
1286
1287         // bounding boxes for clientside movement
1288         vec3_t playerstandmins;
1289         vec3_t playerstandmaxs;
1290         vec3_t playercrouchmins;
1291         vec3_t playercrouchmaxs;
1292
1293         // old decals are killed based on this
1294         unsigned int decalsequence;
1295
1296         int max_entities;
1297         int max_csqcrenderentities;
1298         int max_static_entities;
1299         int max_effects;
1300         int max_beams;
1301         int max_dlights;
1302         int max_lightstyle;
1303         int max_brushmodel_entities;
1304         int max_particles;
1305         int max_decals;
1306         int max_showlmps;
1307
1308         entity_t *entities;
1309         entity_render_t *csqcrenderentities;
1310         unsigned char *entities_active;
1311         entity_t *static_entities;
1312         cl_effect_t *effects;
1313         beam_t *beams;
1314         dlight_t *dlights;
1315         lightstyle_t *lightstyle;
1316         int *brushmodel_entities;
1317         particle_t *particles;
1318         decal_t *decals;
1319         showlmp_t *showlmps;
1320
1321         int num_entities;
1322         int num_static_entities;
1323         int num_brushmodel_entities;
1324         int num_effects;
1325         int num_beams;
1326         int num_dlights;
1327         int num_particles;
1328         int num_decals;
1329         int num_showlmps;
1330
1331         double particles_updatetime;
1332         double decals_updatetime;
1333         int free_particle;
1334         int free_decal;
1335
1336         // cl_serverextension_download feature
1337         int loadmodel_current;
1338         int downloadmodel_current;
1339         int loadmodel_total;
1340         int loadsound_current;
1341         int downloadsound_current;
1342         int loadsound_total;
1343         qboolean downloadcsqc;
1344         qboolean loadcsqc;
1345         qboolean loadbegun;
1346         qboolean loadfinished;
1347
1348         // quakeworld stuff
1349
1350         // local copy of the server infostring
1351         char qw_serverinfo[MAX_SERVERINFO_STRING];
1352
1353         // time of last qw "pings" command sent to server while showing scores
1354         double last_ping_request;
1355
1356         // used during connect
1357         int qw_servercount;
1358
1359         // updated from serverinfo
1360         int qw_teamplay;
1361
1362         // unused: indicates whether the player is spectating
1363         // use cl.scores[cl.playerentity-1].qw_spectator instead
1364         //qboolean qw_spectator;
1365
1366         // last time an input packet was sent
1367         double lastpackettime;
1368
1369         // movement parameters for client prediction
1370         unsigned int moveflags;
1371         float movevars_wallfriction;
1372         float movevars_waterfriction;
1373         float movevars_friction;
1374         float movevars_timescale;
1375         float movevars_gravity;
1376         float movevars_stopspeed;
1377         float movevars_maxspeed;
1378         float movevars_spectatormaxspeed;
1379         float movevars_accelerate;
1380         float movevars_airaccelerate;
1381         float movevars_wateraccelerate;
1382         float movevars_entgravity;
1383         float movevars_jumpvelocity;
1384         float movevars_edgefriction;
1385         float movevars_maxairspeed;
1386         float movevars_stepheight;
1387         float movevars_airaccel_qw;
1388         float movevars_airaccel_qw_stretchfactor;
1389         float movevars_airaccel_sideways_friction;
1390         float movevars_airstopaccelerate;
1391         float movevars_airstrafeaccelerate;
1392         float movevars_maxairstrafespeed;
1393         float movevars_airstrafeaccel_qw;
1394         float movevars_aircontrol;
1395         float movevars_aircontrol_power;
1396         float movevars_aircontrol_penalty;
1397         float movevars_warsowbunny_airforwardaccel;
1398         float movevars_warsowbunny_accel;
1399         float movevars_warsowbunny_topspeed;
1400         float movevars_warsowbunny_turnaccel;
1401         float movevars_warsowbunny_backtosideratio;
1402         float movevars_ticrate;
1403         float movevars_airspeedlimit_nonqw;
1404
1405         // models used by qw protocol
1406         int qw_modelindex_spike;
1407         int qw_modelindex_player;
1408         int qw_modelindex_flag;
1409         int qw_modelindex_s_explod;
1410
1411         vec3_t qw_intermission_origin;
1412         vec3_t qw_intermission_angles;
1413
1414         // 255 is the most nails the QW protocol could send
1415         int qw_num_nails;
1416         vec_t qw_nails[255][6];
1417
1418         float qw_weaponkick;
1419
1420         unsigned int qw_validsequence;
1421
1422         unsigned int qw_deltasequence[QW_UPDATE_BACKUP];
1423
1424         // csqc stuff:
1425         // server entity number corresponding to a clientside entity
1426         unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1427         qboolean csqc_loaded;
1428         vec3_t csqc_vieworigin;
1429         vec3_t csqc_viewangles;
1430         vec3_t csqc_vieworiginfromengine;
1431         vec3_t csqc_viewanglesfromengine;
1432         matrix4x4_t csqc_viewmodelmatrixfromengine;
1433         qboolean csqc_usecsqclistener;
1434         matrix4x4_t csqc_listenermatrix;
1435         char csqc_printtextbuf[MAX_INPUTLINE];
1436
1437         // collision culling data
1438         world_t world;
1439
1440         // loc file stuff (points and boxes describing locations in the level)
1441         cl_locnode_t *locnodes;
1442         // this is updated to cl.movement_origin whenever health is < 1
1443         // used by %d print in say/say_team messages if cl_locs_enable is on
1444         vec3_t lastdeathorigin;
1445
1446         // processing buffer used by R_BuildLightMap, reallocated as needed,
1447         // freed on each level change
1448         size_t buildlightmapmemorysize;
1449         unsigned char *buildlightmapmemory;
1450
1451         // used by EntityState5_ReadUpdate
1452         skeleton_t *engineskeletonobjects;
1453 }
1454 client_state_t;
1455
1456 //
1457 // cvars
1458 //
1459 extern cvar_t cl_name;
1460 extern cvar_t cl_color;
1461 extern cvar_t cl_rate;
1462 extern cvar_t cl_rate_burstsize;
1463 extern cvar_t cl_pmodel;
1464 extern cvar_t cl_playermodel;
1465 extern cvar_t cl_playerskin;
1466
1467 extern cvar_t rcon_password;
1468 extern cvar_t rcon_address;
1469
1470 extern cvar_t cl_upspeed;
1471 extern cvar_t cl_forwardspeed;
1472 extern cvar_t cl_backspeed;
1473 extern cvar_t cl_sidespeed;
1474
1475 extern cvar_t cl_movespeedkey;
1476
1477 extern cvar_t cl_yawspeed;
1478 extern cvar_t cl_pitchspeed;
1479
1480 extern cvar_t cl_anglespeedkey;
1481
1482 extern cvar_t cl_autofire;
1483
1484 extern cvar_t cl_shownet;
1485 extern cvar_t cl_nolerp;
1486 extern cvar_t cl_nettimesyncfactor;
1487 extern cvar_t cl_nettimesyncboundmode;
1488 extern cvar_t cl_nettimesyncboundtolerance;
1489
1490 extern cvar_t cl_pitchdriftspeed;
1491 extern cvar_t lookspring;
1492 extern cvar_t lookstrafe;
1493 extern cvar_t sensitivity;
1494
1495 extern cvar_t freelook;
1496
1497 extern cvar_t m_pitch;
1498 extern cvar_t m_yaw;
1499 extern cvar_t m_forward;
1500 extern cvar_t m_side;
1501
1502 extern cvar_t cl_autodemo;
1503 extern cvar_t cl_autodemo_nameformat;
1504 extern cvar_t cl_autodemo_delete;
1505
1506 extern cvar_t r_draweffects;
1507
1508 extern cvar_t cl_explosions_alpha_start;
1509 extern cvar_t cl_explosions_alpha_end;
1510 extern cvar_t cl_explosions_size_start;
1511 extern cvar_t cl_explosions_size_end;
1512 extern cvar_t cl_explosions_lifetime;
1513 extern cvar_t cl_stainmaps;
1514 extern cvar_t cl_stainmaps_clearonload;
1515
1516 extern cvar_t cl_prydoncursor;
1517 extern cvar_t cl_prydoncursor_notrace;
1518
1519 extern cvar_t cl_locs_enable;
1520
1521 extern client_state_t cl;
1522
1523 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);
1524
1525 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1526 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1527
1528 //=============================================================================
1529
1530 //
1531 // cl_main
1532 //
1533
1534 void CL_Shutdown (void);
1535 void CL_Init (void);
1536
1537 void CL_EstablishConnection(const char *host, int firstarg);
1538
1539 void CL_Disconnect (void);
1540 void CL_Disconnect_f (void);
1541
1542 void CL_UpdateRenderEntity(entity_render_t *ent);
1543 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1544 void CL_UpdateViewEntities(void);
1545
1546 //
1547 // cl_input
1548 //
1549 typedef struct kbutton_s
1550 {
1551         int             down[2];                // key nums holding it down
1552         int             state;                  // low bit is down state
1553 }
1554 kbutton_t;
1555
1556 extern  kbutton_t       in_mlook, in_klook;
1557 extern  kbutton_t       in_strafe;
1558 extern  kbutton_t       in_speed;
1559
1560 void CL_InitInput (void);
1561 void CL_SendMove (void);
1562
1563 void CL_ValidateState(entity_state_t *s);
1564 void CL_MoveLerpEntityStates(entity_t *ent);
1565 void CL_LerpUpdate(entity_t *e);
1566 void CL_ParseTEnt (void);
1567 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1568 void CL_RelinkBeams (void);
1569 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1570 void CL_ClientMovement_Replay(void);
1571
1572 void CL_ClearTempEntities (void);
1573 entity_render_t *CL_NewTempEntity (double shadertime);
1574
1575 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1576
1577 void CL_ClearState (void);
1578 void CL_ExpandEntities(int num);
1579 void CL_ExpandCSQCRenderEntities(int num);
1580 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1581
1582
1583 void CL_UpdateWorld (void);
1584 void CL_WriteToServer (void);
1585 void CL_Input (void);
1586 extern int cl_ignoremousemoves;
1587
1588
1589 float CL_KeyState (kbutton_t *key);
1590 const char *Key_KeynumToString (int keynum, char *buf, size_t buflength);
1591 int Key_StringToKeynum (const char *str);
1592
1593 //
1594 // cl_demo.c
1595 //
1596 void CL_StopPlayback(void);
1597 void CL_ReadDemoMessage(void);
1598 void CL_WriteDemoMessage(sizebuf_t *mesage);
1599
1600 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1601 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1602
1603 void CL_NextDemo(void);
1604 void CL_Stop_f(void);
1605 void CL_Record_f(void);
1606 void CL_PlayDemo_f(void);
1607 void CL_TimeDemo_f(void);
1608
1609 //
1610 // cl_parse.c
1611 //
1612 void CL_Parse_Init(void);
1613 void CL_Parse_Shutdown(void);
1614 void CL_ParseServerMessage(void);
1615 void CL_Parse_DumpPacket(void);
1616 void CL_Parse_ErrorCleanUp(void);
1617 void QW_CL_StartUpload(unsigned char *data, int size);
1618 extern cvar_t qport;
1619 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1620
1621 //
1622 // view
1623 //
1624 void V_StartPitchDrift (void);
1625 void V_StopPitchDrift (void);
1626
1627 void V_Init (void);
1628 float V_CalcRoll (const vec3_t angles, const vec3_t velocity);
1629 void V_UpdateBlends (void);
1630 void V_ParseDamage (void);
1631
1632 //
1633 // cl_part
1634 //
1635
1636 extern cvar_t cl_particles;
1637 extern cvar_t cl_particles_quality;
1638 extern cvar_t cl_particles_size;
1639 extern cvar_t cl_particles_quake;
1640 extern cvar_t cl_particles_blood;
1641 extern cvar_t cl_particles_blood_alpha;
1642 extern cvar_t cl_particles_blood_decal_alpha;
1643 extern cvar_t cl_particles_blood_decal_scalemin;
1644 extern cvar_t cl_particles_blood_decal_scalemax;
1645 extern cvar_t cl_particles_blood_bloodhack;
1646 extern cvar_t cl_particles_bulletimpacts;
1647 extern cvar_t cl_particles_explosions_sparks;
1648 extern cvar_t cl_particles_explosions_shell;
1649 extern cvar_t cl_particles_rain;
1650 extern cvar_t cl_particles_snow;
1651 extern cvar_t cl_particles_smoke;
1652 extern cvar_t cl_particles_smoke_alpha;
1653 extern cvar_t cl_particles_smoke_alphafade;
1654 extern cvar_t cl_particles_sparks;
1655 extern cvar_t cl_particles_bubbles;
1656 extern cvar_t cl_decals;
1657 extern cvar_t cl_decals_time;
1658 extern cvar_t cl_decals_fadetime;
1659
1660 void CL_Particles_Clear(void);
1661 void CL_Particles_Init(void);
1662 void CL_Particles_Shutdown(void);
1663 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]);
1664
1665 typedef enum effectnameindex_s
1666 {
1667         EFFECT_NONE,
1668         EFFECT_TE_GUNSHOT,
1669         EFFECT_TE_GUNSHOTQUAD,
1670         EFFECT_TE_SPIKE,
1671         EFFECT_TE_SPIKEQUAD,
1672         EFFECT_TE_SUPERSPIKE,
1673         EFFECT_TE_SUPERSPIKEQUAD,
1674         EFFECT_TE_WIZSPIKE,
1675         EFFECT_TE_KNIGHTSPIKE,
1676         EFFECT_TE_EXPLOSION,
1677         EFFECT_TE_EXPLOSIONQUAD,
1678         EFFECT_TE_TAREXPLOSION,
1679         EFFECT_TE_TELEPORT,
1680         EFFECT_TE_LAVASPLASH,
1681         EFFECT_TE_SMALLFLASH,
1682         EFFECT_TE_FLAMEJET,
1683         EFFECT_EF_FLAME,
1684         EFFECT_TE_BLOOD,
1685         EFFECT_TE_SPARK,
1686         EFFECT_TE_PLASMABURN,
1687         EFFECT_TE_TEI_G3,
1688         EFFECT_TE_TEI_SMOKE,
1689         EFFECT_TE_TEI_BIGEXPLOSION,
1690         EFFECT_TE_TEI_PLASMAHIT,
1691         EFFECT_EF_STARDUST,
1692         EFFECT_TR_ROCKET,
1693         EFFECT_TR_GRENADE,
1694         EFFECT_TR_BLOOD,
1695         EFFECT_TR_WIZSPIKE,
1696         EFFECT_TR_SLIGHTBLOOD,
1697         EFFECT_TR_KNIGHTSPIKE,
1698         EFFECT_TR_VORESPIKE,
1699         EFFECT_TR_NEHAHRASMOKE,
1700         EFFECT_TR_NEXUIZPLASMA,
1701         EFFECT_TR_GLOWTRAIL,
1702         EFFECT_SVC_PARTICLE,
1703         EFFECT_TOTAL
1704 }
1705 effectnameindex_t;
1706
1707 int CL_ParticleEffectIndexForName(const char *name);
1708 const char *CL_ParticleEffectNameForIndex(int i);
1709 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);
1710 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);
1711 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);
1712 void CL_ParseParticleEffect (void);
1713 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);
1714 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1715 void CL_EntityParticles (const entity_t *ent);
1716 void CL_ParticleExplosion (const vec3_t org);
1717 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1718 void R_NewExplosion(const vec3_t org);
1719
1720 void Debug_PolygonBegin(const char *picname, int flags);
1721 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1722 void Debug_PolygonEnd(void);
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         float ortho_x, ortho_y;
1785
1786         // screen area to render in
1787         int x;
1788         int y;
1789         int z;
1790         int width;
1791         int height;
1792         int depth;
1793         r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1794
1795         // which color components to allow (for anaglyph glasses)
1796         int colormask[4];
1797
1798         // global RGB color multiplier for rendering
1799         float colorscale;
1800
1801         // whether to call R_ClearScreen before rendering stuff
1802         qboolean clear;
1803         // if true, don't clear or do any post process effects (bloom, etc)
1804         qboolean isoverlay;
1805         // 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)
1806         qboolean ismain;
1807
1808         // whether to draw r_showtris and such, this is only true for the main
1809         // view render, all secondary renders (mirrors, portals, cameras,
1810         // distortion effects, etc) omit such debugging information
1811         qboolean showdebug;
1812
1813         // these define which values to use in GL_CullFace calls to request frontface or backface culling
1814         int cullface_front;
1815         int cullface_back;
1816
1817         // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1818         float quality;
1819 }
1820 r_refdef_view_t;
1821
1822 typedef struct r_refdef_viewcache_s
1823 {
1824         // updated by gl_main_newmap()
1825         int maxentities;
1826         int world_numclusters;
1827         int world_numclusterbytes;
1828         int world_numleafs;
1829         int world_numsurfaces;
1830
1831         // these properties are generated by R_View_Update()
1832
1833         // which entities are currently visible for this viewpoint
1834         // (the used range is 0...r_refdef.scene.numentities)
1835         unsigned char *entityvisible;
1836
1837         // flag arrays used for visibility checking on world model
1838         // (all other entities have no per-surface/per-leaf visibility checks)
1839         unsigned char *world_pvsbits;
1840         unsigned char *world_leafvisible;
1841         unsigned char *world_surfacevisible;
1842         // if true, the view is currently in a leaf without pvs data
1843         qboolean world_novis;
1844 }
1845 r_refdef_viewcache_t;
1846
1847 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1848 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1849 typedef struct r_refdef_scene_s {
1850         // whether to call S_ExtraUpdate during render to reduce sound chop
1851         qboolean extraupdate;
1852
1853         // (client gameworld) time for rendering time based effects
1854         double time;
1855
1856         // the world
1857         entity_render_t *worldentity;
1858
1859         // same as worldentity->model
1860         dp_model_t *worldmodel;
1861
1862         // renderable entities (excluding world)
1863         entity_render_t **entities;
1864         int numentities;
1865         int maxentities;
1866
1867         // field of temporary entities that is reset each (client) frame
1868         entity_render_t *tempentities;
1869         int numtempentities;
1870         int maxtempentities;
1871         qboolean expandtempentities;
1872
1873         // renderable dynamic lights
1874         rtlight_t *lights[MAX_DLIGHTS];
1875         rtlight_t templights[MAX_DLIGHTS];
1876         int numlights;
1877
1878         // intensities for light styles right now, controls rtlights
1879         float rtlightstylevalue[MAX_LIGHTSTYLES];       // float fraction of base light value
1880         // 8.8bit fixed point intensities for light styles
1881         // controls intensity lightmap layers
1882         unsigned short lightstylevalue[MAX_LIGHTSTYLES];        // 8.8 fraction of base light value
1883
1884         float ambient;
1885
1886         qboolean rtworld;
1887         qboolean rtworldshadows;
1888         qboolean rtdlight;
1889         qboolean rtdlightshadows;
1890 } r_refdef_scene_t;
1891
1892 typedef struct r_refdef_s
1893 {
1894         // these fields define the basic rendering information for the world
1895         // but not the view, which could change multiple times in one rendered
1896         // frame (for example when rendering textures for certain effects)
1897
1898         // these are set for water warping before
1899         // frustum_x/frustum_y are calculated
1900         float frustumscale_x, frustumscale_y;
1901
1902         // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1903         r_refdef_view_t view;
1904         r_refdef_viewcache_t viewcache;
1905
1906         // minimum visible distance (pixels closer than this disappear)
1907         double nearclip;
1908         // maximum visible distance (pixels further than this disappear in 16bpp modes,
1909         // in 32bpp an infinite-farclip matrix is used instead)
1910         double farclip;
1911
1912         // fullscreen color blend
1913         float viewblend[4];
1914
1915         r_refdef_scene_t scene;
1916
1917         float fogplane[4];
1918         float fogplaneviewdist;
1919         qboolean fogplaneviewabove;
1920         float fogheightfade;
1921         float fogcolor[3];
1922         float fogrange;
1923         float fograngerecip;
1924         float fogmasktabledistmultiplier;
1925 #define FOGMASKTABLEWIDTH 1024
1926         float fogmasktable[FOGMASKTABLEWIDTH];
1927         float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1928         float fog_density;
1929         float fog_red;
1930         float fog_green;
1931         float fog_blue;
1932         float fog_alpha;
1933         float fog_start;
1934         float fog_end;
1935         float fog_height;
1936         float fog_fadedepth;
1937         qboolean fogenabled;
1938         qboolean oldgl_fogenable;
1939
1940         // new flexible texture height fog (overrides normal fog)
1941         char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1942         unsigned char *fog_height_table1d;
1943         unsigned char *fog_height_table2d;
1944         int fog_height_tablesize; // enable
1945         float fog_height_tablescale;
1946         float fog_height_texcoordscale;
1947         char fogheighttexturename[64]; // detects changes to active fog height texture
1948
1949         int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1950
1951         // true during envmap command capture
1952         qboolean envmap;
1953
1954         // brightness of world lightmaps and related lighting
1955         // (often reduced when world rtlights are enabled)
1956         float lightmapintensity;
1957         // whether to draw world lights realtime, dlights realtime, and their shadows
1958         float polygonfactor;
1959         float polygonoffset;
1960         float shadowpolygonfactor;
1961         float shadowpolygonoffset;
1962
1963         // how long R_RenderView took on the previous frame
1964         double lastdrawscreentime;
1965
1966         // rendering stats for r_speeds display
1967         // (these are incremented in many places)
1968         int stats[r_stat_count];
1969 }
1970 r_refdef_t;
1971
1972 extern r_refdef_t r_refdef;
1973
1974 typedef enum waterlevel_e
1975 {
1976         WATERLEVEL_NONE,
1977         WATERLEVEL_WETFEET,
1978         WATERLEVEL_SWIMMING,
1979         WATERLEVEL_SUBMERGED
1980 }
1981 waterlevel_t;
1982
1983 typedef struct cl_clientmovement_state_s
1984 {
1985         // entity to be ignored for movement
1986         struct prvm_edict_s *self;
1987         // position
1988         vec3_t origin;
1989         vec3_t velocity;
1990         // current bounding box (different if crouched vs standing)
1991         vec3_t mins;
1992         vec3_t maxs;
1993         // currently on the ground
1994         qboolean onground;
1995         // currently crouching
1996         qboolean crouched;
1997         // what kind of water (SUPERCONTENTS_LAVA for instance)
1998         int watertype;
1999         // how deep
2000         waterlevel_t waterlevel;
2001         // weird hacks when jumping out of water
2002         // (this is in seconds and counts down to 0)
2003         float waterjumptime;
2004
2005         // user command
2006         usercmd_t cmd;
2007 }
2008 cl_clientmovement_state_t;
2009 void CL_ClientMovement_PlayerMove_Frame(cl_clientmovement_state_t *s);
2010
2011 // warpzone prediction hack (CSQC builtin)
2012 void CL_RotateMoves(const matrix4x4_t *m);
2013
2014 void CL_NewFrameReceived(int num);
2015 void CL_ParseEntityLump(char *entitystring);
2016 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
2017 void CL_RelinkLightFlashes(void);
2018 void Sbar_ShowFPS(void);
2019 void Sbar_ShowFPS_Update(void);
2020 void Host_SaveConfig(void);
2021 void Host_LoadConfig_f(void);
2022 void CL_UpdateMoveVars(void);
2023 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length);
2024 void V_DriftPitch(void);
2025 void V_FadeViewFlashs(void);
2026 void V_CalcViewBlend(void);
2027 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);
2028 void V_CalcRefdef(void);
2029 void CL_Locs_Reload_f(void);
2030
2031 #endif
2032