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 (see castshadows for whether it actually does this frame)
 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         /// set by R_Shadow_PrepareLight to indicate whether R_Shadow_DrawShadowMaps should do anything
 327         qboolean castshadows;
 328         /// these fields are set by R_Shadow_PrepareLight for later drawing
 329         int cached_numlightentities;
 330         int cached_numlightentities_noselfshadow;
 331         int cached_numshadowentities;
 332         int cached_numshadowentities_noselfshadow;
 333         int cached_numsurfaces;
 334         struct entity_render_s **cached_lightentities;
 335         struct entity_render_s **cached_lightentities_noselfshadow;
 336         struct entity_render_s **cached_shadowentities;
 337         struct entity_render_s **cached_shadowentities_noselfshadow;
 338         unsigned char *cached_shadowtrispvs;
 339         unsigned char *cached_lighttrispvs;
 340         int *cached_surfacelist;
 341         // reduced light cullbox from GetLightInfo
 342         vec3_t cached_cullmins;
 343         vec3_t cached_cullmaxs;
 344         // current shadow-caster culling planes based on view
 345         // (any geometry outside these planes can not contribute to the visible
 346         //  shadows in any way, and thus can be culled safely)
 347         int cached_numfrustumplanes;
 348         mplane_t cached_frustumplanes[5]; // see R_Shadow_ComputeShadowCasterCullingPlanes
 349
 350         /// static light info
 351         /// true if this light should be compiled as a static light
 352         int isstatic;
 353         /// true if this is a compiled world light, cleared if the light changes
 354         int compiled;
 355         /// the shadowing mode used to compile this light
 356         int shadowmode;
 357         /// the size that this light should have (assuming no scene LOD kicking in to reduce it)
 358         int shadowmapsidesize;
 359         /// position of this light in the shadowmap atlas
 360         int shadowmapatlasposition[2];
 361         /// 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)
 362         int shadowmapatlassidesize;
 363         /// premade shadow volumes to render for world entity
 364         shadowmesh_t *static_meshchain_shadow_zpass;
 365         shadowmesh_t *static_meshchain_shadow_zfail;
 366         shadowmesh_t *static_meshchain_shadow_shadowmap;
 367         /// used for visibility testing (more exact than bbox)
 368         int static_numleafs;
 369         int static_numleafpvsbytes;
 370         int *static_leaflist;
 371         unsigned char *static_leafpvs;
 372         /// surfaces seen by light
 373         int static_numsurfaces;
 374         int *static_surfacelist;
 375         /// flag bits indicating which triangles of the world model should cast
 376         /// shadows, and which ones should be lit
 377         ///
 378         /// this avoids redundantly scanning the triangles in each surface twice
 379         /// for whether they should cast shadows, once in culling and once in the
 380         /// actual shadowmarklist production.
 381         int static_numshadowtrispvsbytes;
 382         unsigned char *static_shadowtrispvs;
 383         /// this allows the lighting batch code to skip backfaces andother culled
 384         /// triangles not relevant for lighting
 385         /// (important on big surfaces such as terrain)
 386         int static_numlighttrispvsbytes;
 387         unsigned char *static_lighttrispvs;
 388         /// masks of all shadowmap sides that have any potential static receivers or casters
 389         int static_shadowmap_receivers;
 390         int static_shadowmap_casters;
 391         /// particle-tracing cache for global illumination
 392         int particlecache_numparticles;
 393         int particlecache_maxparticles;
 394         int particlecache_updateparticle;
 395         rtlight_particle_t *particlecache_particles;
 396
 397         /// bouncegrid light info
 398         float photoncolor[3];
 399         float photons;
 400 }
 401 rtlight_t;
 402
 403 typedef struct dlight_s
 404 {
 405         // destroy light after this time
 406         // (dlight only)
 407         vec_t die;
 408         // the entity that owns this light (can be NULL)
 409         // (dlight only)
 410         struct entity_render_s *ent;
 411         // location
 412         // (worldlight: saved to .rtlights file)
 413         vec3_t origin;
 414         // worldlight orientation
 415         // (worldlight only)
 416         // (worldlight: saved to .rtlights file)
 417         vec3_t angles;
 418         // dlight orientation/scaling/location
 419         // (dlight only)
 420         matrix4x4_t matrix;
 421         // color of light
 422         // (worldlight: saved to .rtlights file)
 423         vec3_t color;
 424         // cubemap name to use on this light
 425         // (worldlight: saved to .rtlights file)
 426         char cubemapname[64];
 427         // make light flash while selected
 428         // (worldlight only)
 429         int selected;
 430         // brightness (not really radius anymore)
 431         // (worldlight: saved to .rtlights file)
 432         vec_t radius;
 433         // drop intensity this much each second
 434         // (dlight only)
 435         vec_t decay;
 436         // intensity value which is dropped over time
 437         // (dlight only)
 438         vec_t intensity;
 439         // initial values for intensity to modify
 440         // (dlight only)
 441         vec_t initialradius;
 442         vec3_t initialcolor;
 443         // light style which controls intensity of this light
 444         // (worldlight: saved to .rtlights file)
 445         int style;
 446         // cast shadows
 447         // (worldlight: saved to .rtlights file)
 448         int shadow;
 449         // corona intensity
 450         // (worldlight: saved to .rtlights file)
 451         vec_t corona;
 452         // radius scale of corona to render (1.0 means same as light radius)
 453         // (worldlight: saved to .rtlights file)
 454         vec_t coronasizescale;
 455         // ambient intensity to render
 456         // (worldlight: saved to .rtlights file)
 457         vec_t ambientscale;
 458         // diffuse intensity to render
 459         // (worldlight: saved to .rtlights file)
 460         vec_t diffusescale;
 461         // specular intensity to render
 462         // (worldlight: saved to .rtlights file)
 463         vec_t specularscale;
 464         // LIGHTFLAG_* flags
 465         // (worldlight: saved to .rtlights file)
 466         int flags;
 467         // linked list of world lights
 468         // (worldlight only)
 469         struct dlight_s *next;
 470         // embedded rtlight struct for renderer
 471         // (worldlight only)
 472         rtlight_t rtlight;
 473 }
 474 dlight_t;
 475
 476 // this is derived from processing of the framegroupblend array
 477 // note: technically each framegroupblend can produce two of these, but that
 478 // never happens in practice because no one blends between more than 2
 479 // framegroups at once
 480 #define MAX_FRAMEBLENDS (MAX_FRAMEGROUPBLENDS * 2)
 481 typedef struct frameblend_s
 482 {
 483         int subframe;
 484         float lerp;
 485 }
 486 frameblend_t;
 487
 488 // LordHavoc: this struct is intended for the renderer but some fields are
 489 // used by the client.
 490 //
 491 // The renderer should not rely on any changes to this struct to be persistent
 492 // across multiple frames because temp entities are wiped every frame, but it
 493 // is acceptable to cache things in this struct that are not critical.
 494 //
 495 // For example the r_cullentities_trace code does such caching.
 496 typedef struct entity_render_s
 497 {
 498         // location
 499         //vec3_t origin;
 500         // orientation
 501         //vec3_t angles;
 502         // transform matrix for model to world
 503         matrix4x4_t matrix;
 504         // transform matrix for world to model
 505         matrix4x4_t inversematrix;
 506         // opacity (alpha) of the model
 507         float alpha;
 508         // size the model is shown
 509         float scale;
 510         // transparent sorting offset
 511         float transparent_offset;
 512
 513         // NULL = no model
 514         dp_model_t *model;
 515         // number of the entity represents, or 0 for non-network entities
 516         int entitynumber;
 517         // literal colormap colors for renderer, if both are 0 0 0 it is not colormapped
 518         vec3_t colormap_pantscolor;
 519         vec3_t colormap_shirtcolor;
 520         // light, particles, etc
 521         int effects;
 522         // qw CTF flags and other internal-use-only effect bits
 523         int internaleffects;
 524         // for Alias models
 525         int skinnum;
 526         // render flags
 527         int flags;
 528
 529         // colormod tinting of models
 530         float colormod[3];
 531         float glowmod[3];
 532
 533         // interpolated animation - active framegroups and blend factors
 534         framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
 535
 536         // time of last model change (for shader animations)
 537         double shadertime;
 538
 539         // calculated by the renderer (but not persistent)
 540
 541         // calculated during R_AddModelEntities
 542         vec3_t mins, maxs;
 543         // subframe numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use subframeblend[0].subframe
 544         frameblend_t frameblend[MAX_FRAMEBLENDS];
 545         // skeletal animation data (if skeleton.relativetransforms is not NULL, it overrides frameblend)
 546         skeleton_t *skeleton;
 547
 548         // animation cache (pointers allocated using R_FrameData_Alloc)
 549         // ONLY valid during R_RenderView!  may be NULL (not cached)
 550         float          *animcache_vertex3f;
 551         r_meshbuffer_t *animcache_vertex3f_vertexbuffer;
 552         int             animcache_vertex3f_bufferoffset;
 553         float          *animcache_normal3f;
 554         r_meshbuffer_t *animcache_normal3f_vertexbuffer;
 555         int             animcache_normal3f_bufferoffset;
 556         float          *animcache_svector3f;
 557         r_meshbuffer_t *animcache_svector3f_vertexbuffer;
 558         int             animcache_svector3f_bufferoffset;
 559         float          *animcache_tvector3f;
 560         r_meshbuffer_t *animcache_tvector3f_vertexbuffer;
 561         int             animcache_tvector3f_bufferoffset;
 562         // interleaved arrays for rendering and dynamic vertex buffers for them
 563         r_vertexmesh_t *animcache_vertexmesh;
 564         r_meshbuffer_t *animcache_vertexmesh_vertexbuffer;
 565         int             animcache_vertexmesh_bufferoffset;
 566         // gpu-skinning shader needs transforms in a certain format, we have to
 567         // upload this to a uniform buffer for the shader to use, and also keep a
 568         // backup copy in system memory for the dynamic batch fallback code
 569         // if this is not NULL, the other animcache variables are NULL
 570         float *animcache_skeletaltransform3x4;
 571         r_meshbuffer_t *animcache_skeletaltransform3x4buffer;
 572         int animcache_skeletaltransform3x4offset;
 573         int animcache_skeletaltransform3x4size;
 574
 575         // current lighting from map (updated ONLY by client code, not renderer)
 576         vec3_t modellight_ambient;
 577         vec3_t modellight_diffuse; // q3bsp
 578         vec3_t modellight_lightdir; // q3bsp
 579
 580         // storage of decals on this entity
 581         // (note: if allowdecals is set, be sure to call R_DecalSystem_Reset on removal!)
 582         int allowdecals;
 583         decalsystem_t decalsystem;
 584
 585         // FIELDS UPDATED BY RENDERER:
 586         // last time visible during trace culling
 587         double last_trace_visibility;
 588
 589         // user wavefunc parameters (from csqc)
 590         vec_t userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
 591 }
 592 entity_render_t;
 593
 594 typedef struct entity_persistent_s
 595 {
 596         vec3_t trail_origin; // previous position for particle trail spawning
 597         vec3_t oldorigin; // lerp
 598         vec3_t oldangles; // lerp
 599         vec3_t neworigin; // lerp
 600         vec3_t newangles; // lerp
 601         vec_t lerpstarttime; // lerp
 602         vec_t lerpdeltatime; // lerp
 603         float muzzleflash; // muzzleflash intensity, fades over time
 604         float trail_time; // residual error accumulation for particle trail spawning (to keep spacing across frames)
 605         qboolean trail_allowed; // set to false by teleports, true by update code, prevents bad lerps
 606 }
 607 entity_persistent_t;
 608
 609 typedef struct entity_s
 610 {
 611         // baseline state (default values)
 612         entity_state_t state_baseline;
 613         // previous state (interpolating from this)
 614         entity_state_t state_previous;
 615         // current state (interpolating to this)
 616         entity_state_t state_current;
 617
 618         // used for regenerating parts of render
 619         entity_persistent_t persistent;
 620
 621         // the only data the renderer should know about
 622         entity_render_t render;
 623 }
 624 entity_t;
 625
 626 typedef struct usercmd_s
 627 {
 628         vec3_t  viewangles;
 629
 630 // intended velocities
 631         float   forwardmove;
 632         float   sidemove;
 633         float   upmove;
 634
 635         vec3_t  cursor_screen;
 636         vec3_t  cursor_start;
 637         vec3_t  cursor_end;
 638         vec3_t  cursor_impact;
 639         vec3_t  cursor_normal;
 640         vec_t   cursor_fraction;
 641         int             cursor_entitynumber;
 642
 643         double time; // time the move is executed for (cl_movement: clienttime, non-cl_movement: receivetime)
 644         double receivetime; // time the move was received at
 645         double clienttime; // time to which server state the move corresponds to
 646         int msec; // for predicted moves
 647         int buttons;
 648         int impulse;
 649         unsigned int sequence;
 650         qboolean applied; // if false we're still accumulating a move
 651         qboolean predicted; // if true the sequence should be sent as 0
 652
 653         // derived properties
 654         double frametime;
 655         qboolean canjump;
 656         qboolean jump;
 657         qboolean crouch;
 658 } usercmd_t;
 659
 660 typedef struct lightstyle_s
 661 {
 662         int             length;
 663         char    map[MAX_STYLESTRING];
 664 } lightstyle_t;
 665
 666 typedef struct scoreboard_s
 667 {
 668         char    name[MAX_SCOREBOARDNAME];
 669         int             frags;
 670         int             colors; // two 4 bit fields
 671         // QW fields:
 672         int             qw_userid;
 673         char    qw_userinfo[MAX_USERINFO_STRING];
 674         float   qw_entertime;
 675         int             qw_ping;
 676         int             qw_packetloss;
 677         int             qw_movementloss;
 678         int             qw_spectator;
 679         char    qw_team[8];
 680         char    qw_skin[MAX_QPATH];
 681 } scoreboard_t;
 682
 683 typedef struct cshift_s
 684 {
 685         float   destcolor[3];
 686         float   percent;                // 0-255
 687         float   alphafade;      // (any speed)
 688 } cshift_t;
 689
 690 #define CSHIFT_CONTENTS 0
 691 #define CSHIFT_DAMAGE   1
 692 #define CSHIFT_BONUS    2
 693 #define CSHIFT_POWERUP  3
 694 #define CSHIFT_VCSHIFT  4
 695 #define NUM_CSHIFTS             5
 696
 697 #define NAME_LENGTH     64
 698
 699
 700 //
 701 // client_state_t should hold all pieces of the client state
 702 //
 703
 704 #define SIGNONS         4                       // signon messages to receive before connected
 705
 706 typedef enum cactive_e
 707 {
 708         ca_uninitialized,       // during early startup
 709         ca_dedicated,           // a dedicated server with no ability to start a client
 710         ca_disconnected,        // full screen console with no connection
 711         ca_connected            // valid netcon, talking to a server
 712 }
 713 cactive_t;
 714
 715 typedef enum qw_downloadtype_e
 716 {
 717         dl_none,
 718         dl_single,
 719         dl_skin,
 720         dl_model,
 721         dl_sound
 722 }
 723 qw_downloadtype_t;
 724
 725 typedef enum capturevideoformat_e
 726 {
 727         CAPTUREVIDEOFORMAT_AVI_I420,
 728         CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
 729 }
 730 capturevideoformat_t;
 731
 732 typedef struct capturevideostate_s
 733 {
 734         double startrealtime;
 735         double framerate;
 736         int framestep;
 737         int framestepframe;
 738         qboolean active;
 739         qboolean realtime;
 740         qboolean error;
 741         int soundrate;
 742         int soundchannels;
 743         int frame;
 744         double starttime;
 745         double lastfpstime;
 746         int lastfpsframe;
 747         int soundsampleframe;
 748         unsigned char *screenbuffer;
 749         unsigned char *outbuffer;
 750         char basename[MAX_QPATH];
 751         int width, height;
 752
 753         // precomputed RGB to YUV tables
 754         // converts the RGB values to YUV (see cap_avi.c for how to use them)
 755         short rgbtoyuvscaletable[3][3][256];
 756         unsigned char yuvnormalizetable[3][256];
 757
 758         // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
 759         // 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
 760         unsigned short vidramp[256 * 3];
 761
 762         // stuff to be filled in by the video format module
 763         capturevideoformat_t format;
 764         const char *formatextension;
 765         qfile_t *videofile;
 766                 // always use this:
 767                 //   cls.capturevideo.videofile = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
 768         void (*endvideo) (void);
 769         void (*videoframes) (int num);
 770         void (*soundframe) (const portable_sampleframe_t *paintbuffer, size_t length);
 771
 772         // format specific data
 773         void *formatspecific;
 774 }
 775 capturevideostate_t;
 776
 777 #define CL_MAX_DOWNLOADACKS 4
 778
 779 typedef struct cl_downloadack_s
 780 {
 781         int start, size;
 782 }
 783 cl_downloadack_t;
 784
 785 typedef struct cl_soundstats_s
 786 {
 787         int mixedsounds;
 788         int totalsounds;
 789         int latency_milliseconds;
 790 }
 791 cl_soundstats_t;
 792
 793 //
 794 // the client_static_t structure is persistent through an arbitrary number
 795 // of server connections
 796 //
 797 typedef struct client_static_s
 798 {
 799         cactive_t state;
 800
 801         // all client memory allocations go in these pools
 802         mempool_t *levelmempool;
 803         mempool_t *permanentmempool;
 804
 805 // demo loop control
 806         // -1 = don't play demos
 807         int demonum;
 808         // list of demos in loop
 809         char demos[MAX_DEMOS][MAX_DEMONAME];
 810         // the actively playing demo (set by CL_PlayDemo_f)
 811         char demoname[MAX_QPATH];
 812
 813 // demo recording info must be here, because record is started before
 814 // entering a map (and clearing client_state_t)
 815         qboolean demorecording;
 816         fs_offset_t demo_lastcsprogssize;
 817         int demo_lastcsprogscrc;
 818         qboolean demoplayback;
 819         qboolean demostarting; // set if currently starting a demo, to stop -demo from quitting when switching to another demo
 820         qboolean timedemo;
 821         // -1 = use normal cd track
 822         int forcetrack;
 823         qfile_t *demofile;
 824         // realtime at second frame of timedemo (LordHavoc: changed to double)
 825         double td_starttime;
 826         int td_frames; // total frames parsed
 827         double td_onesecondnexttime;
 828         double td_onesecondframes;
 829         double td_onesecondrealtime;
 830         double td_onesecondminfps;
 831         double td_onesecondmaxfps;
 832         double td_onesecondavgfps;
 833         int td_onesecondavgcount;
 834         // LordHavoc: pausedemo
 835         qboolean demopaused;
 836
 837         // sound mixer statistics for showsound display
 838         cl_soundstats_t soundstats;
 839
 840         qboolean connect_trying;
 841         int connect_remainingtries;
 842         double connect_nextsendtime;
 843         lhnetsocket_t *connect_mysocket;
 844         lhnetaddress_t connect_address;
 845         lhnetaddress_t rcon_address;
 846         // protocol version of the server we're connected to
 847         // (kept outside client_state_t because it's used between levels)
 848         protocolversion_t protocol;
 849
 850 #define MAX_RCONS 16
 851         int rcon_trying;
 852         lhnetaddress_t rcon_addresses[MAX_RCONS];
 853         char rcon_commands[MAX_RCONS][MAX_INPUTLINE];
 854         double rcon_timeout[MAX_RCONS];
 855         int rcon_ringpos;
 856
 857 // connection information
 858         // 0 to SIGNONS
 859         int signon;
 860         // network connection
 861         netconn_t *netcon;
 862
 863         // download information
 864         // (note: qw_download variables are also used)
 865         cl_downloadack_t dp_downloadack[CL_MAX_DOWNLOADACKS];
 866
 867         // input sequence numbers are not reset on level change, only connect
 868         unsigned int servermovesequence;
 869
 870         // quakeworld stuff below
 871
 872         // value of "qport" cvar at time of connection
 873         int qw_qport;
 874         // copied from cls.netcon->qw. variables every time they change, or set by demos (which have no cls.netcon)
 875         unsigned int qw_incoming_sequence;
 876         unsigned int qw_outgoing_sequence;
 877
 878         // current file download buffer (only saved when file is completed)
 879         char qw_downloadname[MAX_QPATH];
 880         unsigned char *qw_downloadmemory;
 881         int qw_downloadmemorycursize;
 882         int qw_downloadmemorymaxsize;
 883         int qw_downloadnumber;
 884         int qw_downloadpercent;
 885         qw_downloadtype_t qw_downloadtype;
 886         // transfer rate display
 887         double qw_downloadspeedtime;
 888         int qw_downloadspeedcount;
 889         int qw_downloadspeedrate;
 890         qboolean qw_download_deflate;
 891
 892         // current file upload buffer (for uploading screenshots to server)
 893         unsigned char *qw_uploaddata;
 894         int qw_uploadsize;
 895         int qw_uploadpos;
 896
 897         // user infostring
 898         // this normally contains the following keys in quakeworld:
 899         // password spectator name team skin topcolor bottomcolor rate noaim msg *ver *ip
 900         char userinfo[MAX_USERINFO_STRING];
 901
 902         // extra user info for the "connect" command
 903         char connect_userinfo[MAX_USERINFO_STRING];
 904
 905         // video capture stuff
 906         capturevideostate_t capturevideo;
 907
 908         // crypto channel
 909         crypto_t crypto;
 910
 911         // ProQuake compatibility stuff
 912         int proquake_servermod; // 0 = not proquake, 1 = proquake
 913         int proquake_serverversion; // actual proquake server version * 10 (3.40 = 34, etc)
 914         int proquake_serverflags; // 0 (PQF_CHEATFREE not supported)
 915
 916         // don't write-then-read csprogs.dat (useful for demo playback)
 917         unsigned char *caughtcsprogsdata;
 918         fs_offset_t caughtcsprogsdatasize;
 919
 920         int r_speeds_graph_length;
 921         int r_speeds_graph_current;
 922         int *r_speeds_graph_data;
 923
 924         // graph scales
 925         int r_speeds_graph_datamin[r_stat_count];
 926         int r_speeds_graph_datamax[r_stat_count];
 927 }
 928 client_static_t;
 929
 930 extern client_static_t  cls;
 931
 932 //[515]: csqc
 933 typedef struct
 934 {
 935         qboolean drawworld;
 936         qboolean drawenginesbar;
 937         qboolean drawcrosshair;
 938 }csqc_vidvars_t;
 939
 940 typedef enum
 941 {
 942         PARTICLE_BILLBOARD = 0,
 943         PARTICLE_SPARK = 1,
 944         PARTICLE_ORIENTED_DOUBLESIDED = 2,
 945         PARTICLE_VBEAM = 3,
 946         PARTICLE_HBEAM = 4,
 947         PARTICLE_INVALID = -1
 948 }
 949 porientation_t;
 950
 951 typedef enum
 952 {
 953         PBLEND_ALPHA = 0,
 954         PBLEND_ADD = 1,
 955         PBLEND_INVMOD = 2,
 956         PBLEND_INVALID = -1
 957 }
 958 pblend_t;
 959
 960 typedef struct particletype_s
 961 {
 962         pblend_t blendmode;
 963         porientation_t orientation;
 964         qboolean lighting;
 965 }
 966 particletype_t;
 967
 968 typedef enum ptype_e
 969 {
 970         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
 971 }
 972 ptype_t;
 973
 974 typedef struct decal_s
 975 {
 976         // fields used by rendering:  (44 bytes)
 977         unsigned short  typeindex;
 978         unsigned short  texnum;
 979         unsigned int    decalsequence;
 980         vec3_t                  org;
 981         vec3_t                  normal;
 982         float                   size;
 983         float                   alpha; // 0-255
 984         unsigned char   color[3];
 985         unsigned char   unused1;
 986         int                             clusterindex; // cheap culling by pvs
 987
 988         // fields not used by rendering: (36 bytes in 32bit, 40 bytes in 64bit)
 989         float                   time2; // used for decal fade
 990         unsigned int    owner; // decal stuck to this entity
 991         dp_model_t                      *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
 992         vec3_t                  relativeorigin; // decal at this location in entity's coordinate space
 993         vec3_t                  relativenormal; // decal oriented this way relative to entity's coordinate space
 994 }
 995 decal_t;
 996
 997 typedef struct particle_s
 998 {
 999         // for faster batch rendering, particles are rendered in groups by effect (resulting in less perfect sorting but far less state changes)
1000
1001         // fields used by rendering: (48 bytes)
1002         vec3_t          sortorigin; // sort by this group origin, not particle org
1003         vec3_t          org;
1004         vec3_t          vel; // velocity of particle, or orientation of decal, or end point of beam
1005         float           size;
1006         float           alpha; // 0-255
1007         float           stretch; // only for sparks
1008
1009         // fields not used by rendering:  (44 bytes)
1010         float           stainsize;
1011         float           stainalpha;
1012         float           sizeincrease; // rate of size change per second
1013         float           alphafade; // how much alpha reduces per second
1014         float           time2; // used for snow fluttering and decal fade
1015         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)
1016         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
1017         float           airfriction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
1018         float           liquidfriction; // how much liquid friction affects this object (objects with a low mass/size ratio tend to get more liquid friction)
1019 //      float           delayedcollisions; // time that p->bounce becomes active
1020         float           delayedspawn; // time that particle appears and begins moving
1021         float           die; // time when this particle should be removed, regardless of alpha
1022
1023         // short variables grouped to save memory (4 bytes)
1024         short                   angle; // base rotation of particle
1025         short                   spin; // geometry rotation speed around the particle center normal
1026
1027         // byte variables grouped to save memory (12 bytes)
1028         unsigned char   color[3];
1029         unsigned char   qualityreduction; // enables skipping of this particle according to r_refdef.view.qualityreduction
1030         unsigned char   typeindex;
1031         unsigned char   blendmode;
1032         unsigned char   orientation;
1033         unsigned char   texnum;
1034         unsigned char   staincolor[3];
1035         signed char     staintexnum;
1036 }
1037 particle_t;
1038
1039 typedef enum cl_parsingtextmode_e
1040 {
1041         CL_PARSETEXTMODE_NONE,
1042         CL_PARSETEXTMODE_PING,
1043         CL_PARSETEXTMODE_STATUS,
1044         CL_PARSETEXTMODE_STATUS_PLAYERID,
1045         CL_PARSETEXTMODE_STATUS_PLAYERIP
1046 }
1047 cl_parsingtextmode_t;
1048
1049 typedef struct cl_locnode_s
1050 {
1051         struct cl_locnode_s *next;
1052         char *name;
1053         vec3_t mins, maxs;
1054 }
1055 cl_locnode_t;
1056
1057 typedef struct showlmp_s
1058 {
1059         qboolean        isactive;
1060         float           x;
1061         float           y;
1062         char            label[32];
1063         char            pic[128];
1064 }
1065 showlmp_t;
1066
1067 //
1068 // the client_state_t structure is wiped completely at every
1069 // server signon
1070 //
1071 typedef struct client_state_s
1072 {
1073         // true if playing in a local game and no one else is connected
1074         int islocalgame;
1075
1076         // send a clc_nop periodically until connected
1077         float sendnoptime;
1078
1079         // current input being accumulated by mouse/joystick/etc input
1080         usercmd_t cmd;
1081         // latest moves sent to the server that have not been confirmed yet
1082         usercmd_t movecmd[CL_MAX_USERCMDS];
1083
1084 // information for local display
1085         // health, etc
1086         int stats[MAX_CL_STATS];
1087         float *statsf; // points to stats[] array
1088         // last known inventory bit flags, for blinking
1089         int olditems;
1090         // cl.time of acquiring item, for blinking
1091         float item_gettime[32];
1092         // last known STAT_ACTIVEWEAPON
1093         int activeweapon;
1094         // cl.time of changing STAT_ACTIVEWEAPON
1095         float weapontime;
1096         // use pain anim frame if cl.time < this
1097         float faceanimtime;
1098         // for stair smoothing
1099         float stairsmoothz;
1100         double stairsmoothtime;
1101
1102         // color shifts for damage, powerups
1103         cshift_t cshifts[NUM_CSHIFTS];
1104         // and content types
1105         cshift_t prev_cshifts[NUM_CSHIFTS];
1106
1107 // the client maintains its own idea of view angles, which are
1108 // sent to the server each frame.  The server sets punchangle when
1109 // the view is temporarily offset, and an angle reset commands at the start
1110 // of each level and after teleporting.
1111
1112         // mviewangles is read from demo
1113         // viewangles is either client controlled or lerped from mviewangles
1114         vec3_t mviewangles[2], viewangles;
1115         // update by server, used by qc to do weapon recoil
1116         vec3_t mpunchangle[2], punchangle;
1117         // update by server, can be used by mods to kick view around
1118         vec3_t mpunchvector[2], punchvector;
1119         // update by server, used for lean+bob (0 is newest)
1120         vec3_t mvelocity[2], velocity;
1121         // update by server, can be used by mods for zooming
1122         vec_t mviewzoom[2], viewzoom;
1123         // if true interpolation the mviewangles and other interpolation of the
1124         // player is disabled until the next network packet
1125         // this is used primarily by teleporters, and when spectating players
1126         // special checking of the old fixangle[1] is used to differentiate
1127         // between teleporting and spectating
1128         qboolean fixangle[2];
1129
1130         // client movement simulation
1131         // these fields are only updated by CL_ClientMovement (called by CL_SendMove after parsing each network packet)
1132         // set by CL_ClientMovement_Replay functions
1133         qboolean movement_predicted;
1134         // if true the CL_ClientMovement_Replay function will update origin, etc
1135         qboolean movement_replay;
1136         // simulated data (this is valid even if cl.movement is false)
1137         vec3_t movement_origin;
1138         vec3_t movement_velocity;
1139         // whether the replay should allow a jump at the first sequence
1140         qboolean movement_replay_canjump;
1141
1142         // previous gun angles (for leaning effects)
1143         vec3_t gunangles_prev;
1144         vec3_t gunangles_highpass;
1145         vec3_t gunangles_adjustment_lowpass;
1146         vec3_t gunangles_adjustment_highpass;
1147         // previous gun angles (for leaning effects)
1148         vec3_t gunorg_prev;
1149         vec3_t gunorg_highpass;
1150         vec3_t gunorg_adjustment_lowpass;
1151         vec3_t gunorg_adjustment_highpass;
1152
1153 // pitch drifting vars
1154         float idealpitch;
1155         float pitchvel;
1156         qboolean nodrift;
1157         float driftmove;
1158         double laststop;
1159
1160 //[515]: added for csqc purposes
1161         float sensitivityscale;
1162         csqc_vidvars_t csqc_vidvars;    //[515]: these parms must be set to true by default
1163         qboolean csqc_wantsmousemove;
1164         qboolean csqc_paused; // vortex: int because could be flags
1165         struct model_s *csqc_model_precache[MAX_MODELS];
1166
1167         // local amount for smoothing stepups
1168         //float crouch;
1169
1170         // sent by server
1171         qboolean paused;
1172         qboolean onground;
1173         qboolean inwater;
1174
1175         // used by bob
1176         qboolean oldonground;
1177         double lastongroundtime;
1178         double hitgroundtime;
1179         float bob2_smooth;
1180         float bobfall_speed;
1181         float bobfall_swing;
1182         double calcrefdef_prevtime;
1183
1184         // don't change view angle, full screen, etc
1185         int intermission;
1186         // latched at intermission start
1187         double completed_time;
1188
1189         // the timestamp of the last two messages
1190         double mtime[2];
1191
1192         // clients view of time, time should be between mtime[0] and mtime[1] to
1193         // generate a lerp point for other data, oldtime is the previous frame's
1194         // value of time, frametime is the difference between time and oldtime
1195         // note: cl.time may be beyond cl.mtime[0] if packet loss is occuring, it
1196         // is only forcefully limited when a packet is received
1197         double time, oldtime;
1198         // how long it has been since the previous client frame in real time
1199         // (not game time, for that use cl.time - cl.oldtime)
1200         double realframetime;
1201
1202         // fade var for fading while dead
1203         float deathfade;
1204
1205         // motionblur alpha level variable
1206         float motionbluralpha;
1207
1208         // copy of realtime from last recieved message, for net trouble icon
1209         float last_received_message;
1210
1211 // information that is static for the entire time connected to a server
1212         struct model_s *model_precache[MAX_MODELS];
1213         struct sfx_s *sound_precache[MAX_SOUNDS];
1214
1215         // FIXME: this is a lot of memory to be keeping around, this really should be dynamically allocated and freed somehow
1216         char model_name[MAX_MODELS][MAX_QPATH];
1217         char sound_name[MAX_SOUNDS][MAX_QPATH];
1218
1219         // for display on solo scoreboard
1220         char worldmessage[40]; // map title (not related to filename)
1221         // variants of map name
1222         char worldbasename[MAX_QPATH]; // %s
1223         char worldname[MAX_QPATH]; // maps/%s.bsp
1224         char worldnamenoextension[MAX_QPATH]; // maps/%s
1225         // cl_entitites[cl.viewentity] = player
1226         int viewentity;
1227         // the real player entity (normally same as viewentity,
1228         // different than viewentity if mod uses chasecam or other tricks)
1229         int realplayerentity;
1230         // this is updated to match cl.viewentity whenever it is in the clients
1231         // range, basically this is used in preference to cl.realplayerentity for
1232         // most purposes because when spectating another player it should show
1233         // their information rather than yours
1234         int playerentity;
1235         // max players that can be in this game
1236         int maxclients;
1237         // type of game (deathmatch, coop, singleplayer)
1238         int gametype;
1239
1240         // models and sounds used by engine code (particularly cl_parse.c)
1241         dp_model_t *model_bolt;
1242         dp_model_t *model_bolt2;
1243         dp_model_t *model_bolt3;
1244         dp_model_t *model_beam;
1245         sfx_t *sfx_wizhit;
1246         sfx_t *sfx_knighthit;
1247         sfx_t *sfx_tink1;
1248         sfx_t *sfx_ric1;
1249         sfx_t *sfx_ric2;
1250         sfx_t *sfx_ric3;
1251         sfx_t *sfx_r_exp3;
1252         // indicates that the file "sound/misc/talk2.wav" was found (for use by team chat messages)
1253         qboolean foundtalk2wav;
1254
1255 // refresh related state
1256
1257         // cl_entitites[0].model
1258         struct model_s *worldmodel;
1259
1260         // the gun model
1261         entity_t viewent;
1262
1263         // cd audio
1264         int cdtrack, looptrack;
1265
1266 // frag scoreboard
1267
1268         // [cl.maxclients]
1269         scoreboard_t *scores;
1270
1271         // keep track of svc_print parsing state (analyzes ping reports and status reports)
1272         cl_parsingtextmode_t parsingtextmode;
1273         int parsingtextplayerindex;
1274         // set by scoreboard code when sending ping command, this causes the next ping results to be hidden
1275         // (which could eat the wrong ping report if the player issues one
1276         //  manually, but they would still see a ping report, just a later one
1277         //  caused by the scoreboard code rather than the one they intentionally
1278         //  issued)
1279         int parsingtextexpectingpingforscores;
1280
1281         // entity database stuff
1282         // latest received entity frame numbers
1283 #define LATESTFRAMENUMS 32
1284         int latestframenumsposition;
1285         int latestframenums[LATESTFRAMENUMS];
1286         unsigned int latestsendnums[LATESTFRAMENUMS];
1287         entityframe_database_t *entitydatabase;
1288         entityframe4_database_t *entitydatabase4;
1289         entityframeqw_database_t *entitydatabaseqw;
1290
1291         // keep track of quake entities because they need to be killed if they get stale
1292         int lastquakeentity;
1293         unsigned char isquakeentity[MAX_EDICTS];
1294
1295         // bounding boxes for clientside movement
1296         vec3_t playerstandmins;
1297         vec3_t playerstandmaxs;
1298         vec3_t playercrouchmins;
1299         vec3_t playercrouchmaxs;
1300
1301         // old decals are killed based on this
1302         unsigned int decalsequence;
1303
1304         int max_entities;
1305         int max_csqcrenderentities;
1306         int max_static_entities;
1307         int max_effects;
1308         int max_beams;
1309         int max_dlights;
1310         int max_lightstyle;
1311         int max_brushmodel_entities;
1312         int max_particles;
1313         int max_decals;
1314         int max_showlmps;
1315
1316         entity_t *entities;
1317         entity_render_t *csqcrenderentities;
1318         unsigned char *entities_active;
1319         entity_t *static_entities;
1320         cl_effect_t *effects;
1321         beam_t *beams;
1322         dlight_t *dlights;
1323         lightstyle_t *lightstyle;
1324         int *brushmodel_entities;
1325         particle_t *particles;
1326         decal_t *decals;
1327         showlmp_t *showlmps;
1328
1329         int num_entities;
1330         int num_static_entities;
1331         int num_brushmodel_entities;
1332         int num_effects;
1333         int num_beams;
1334         int num_dlights;
1335         int num_particles;
1336         int num_decals;
1337         int num_showlmps;
1338
1339         double particles_updatetime;
1340         double decals_updatetime;
1341         int free_particle;
1342         int free_decal;
1343
1344         // cl_serverextension_download feature
1345         int loadmodel_current;
1346         int downloadmodel_current;
1347         int loadmodel_total;
1348         int loadsound_current;
1349         int downloadsound_current;
1350         int loadsound_total;
1351         qboolean downloadcsqc;
1352         qboolean loadcsqc;
1353         qboolean loadbegun;
1354         qboolean loadfinished;
1355
1356         // quakeworld stuff
1357
1358         // local copy of the server infostring
1359         char qw_serverinfo[MAX_SERVERINFO_STRING];
1360
1361         // time of last qw "pings" command sent to server while showing scores
1362         double last_ping_request;
1363
1364         // used during connect
1365         int qw_servercount;
1366
1367         // updated from serverinfo
1368         int qw_teamplay;
1369
1370         // unused: indicates whether the player is spectating
1371         // use cl.scores[cl.playerentity-1].qw_spectator instead
1372         //qboolean qw_spectator;
1373
1374         // last time an input packet was sent
1375         double lastpackettime;
1376
1377         // movement parameters for client prediction
1378         unsigned int moveflags;
1379         float movevars_wallfriction;
1380         float movevars_waterfriction;
1381         float movevars_friction;
1382         float movevars_timescale;
1383         float movevars_gravity;
1384         float movevars_stopspeed;
1385         float movevars_maxspeed;
1386         float movevars_spectatormaxspeed;
1387         float movevars_accelerate;
1388         float movevars_airaccelerate;
1389         float movevars_wateraccelerate;
1390         float movevars_entgravity;
1391         float movevars_jumpvelocity;
1392         float movevars_edgefriction;
1393         float movevars_maxairspeed;
1394         float movevars_stepheight;
1395         float movevars_airaccel_qw;
1396         float movevars_airaccel_qw_stretchfactor;
1397         float movevars_airaccel_sideways_friction;
1398         float movevars_airstopaccelerate;
1399         float movevars_airstrafeaccelerate;
1400         float movevars_maxairstrafespeed;
1401         float movevars_airstrafeaccel_qw;
1402         float movevars_aircontrol;
1403         float movevars_aircontrol_power;
1404         float movevars_aircontrol_penalty;
1405         float movevars_warsowbunny_airforwardaccel;
1406         float movevars_warsowbunny_accel;
1407         float movevars_warsowbunny_topspeed;
1408         float movevars_warsowbunny_turnaccel;
1409         float movevars_warsowbunny_backtosideratio;
1410         float movevars_ticrate;
1411         float movevars_airspeedlimit_nonqw;
1412
1413         // models used by qw protocol
1414         int qw_modelindex_spike;
1415         int qw_modelindex_player;
1416         int qw_modelindex_flag;
1417         int qw_modelindex_s_explod;
1418
1419         vec3_t qw_intermission_origin;
1420         vec3_t qw_intermission_angles;
1421
1422         // 255 is the most nails the QW protocol could send
1423         int qw_num_nails;
1424         vec_t qw_nails[255][6];
1425
1426         float qw_weaponkick;
1427
1428         unsigned int qw_validsequence;
1429
1430         unsigned int qw_deltasequence[QW_UPDATE_BACKUP];
1431
1432         // csqc stuff:
1433         // server entity number corresponding to a clientside entity
1434         unsigned short csqc_server2csqcentitynumber[MAX_EDICTS];
1435         qboolean csqc_loaded;
1436         vec3_t csqc_vieworigin;
1437         vec3_t csqc_viewangles;
1438         vec3_t csqc_vieworiginfromengine;
1439         vec3_t csqc_viewanglesfromengine;
1440         matrix4x4_t csqc_viewmodelmatrixfromengine;
1441         qboolean csqc_usecsqclistener;
1442         matrix4x4_t csqc_listenermatrix;
1443         char csqc_printtextbuf[MAX_INPUTLINE];
1444
1445         // collision culling data
1446         world_t world;
1447
1448         // loc file stuff (points and boxes describing locations in the level)
1449         cl_locnode_t *locnodes;
1450         // this is updated to cl.movement_origin whenever health is < 1
1451         // used by %d print in say/say_team messages if cl_locs_enable is on
1452         vec3_t lastdeathorigin;
1453
1454         // processing buffer used by R_BuildLightMap, reallocated as needed,
1455         // freed on each level change
1456         size_t buildlightmapmemorysize;
1457         unsigned char *buildlightmapmemory;
1458
1459         // used by EntityState5_ReadUpdate
1460         skeleton_t *engineskeletonobjects;
1461 }
1462 client_state_t;
1463
1464 //
1465 // cvars
1466 //
1467 extern cvar_t cl_name;
1468 extern cvar_t cl_color;
1469 extern cvar_t cl_rate;
1470 extern cvar_t cl_rate_burstsize;
1471 extern cvar_t cl_pmodel;
1472 extern cvar_t cl_playermodel;
1473 extern cvar_t cl_playerskin;
1474
1475 extern cvar_t rcon_password;
1476 extern cvar_t rcon_address;
1477
1478 extern cvar_t cl_upspeed;
1479 extern cvar_t cl_forwardspeed;
1480 extern cvar_t cl_backspeed;
1481 extern cvar_t cl_sidespeed;
1482
1483 extern cvar_t cl_movespeedkey;
1484
1485 extern cvar_t cl_yawspeed;
1486 extern cvar_t cl_pitchspeed;
1487
1488 extern cvar_t cl_anglespeedkey;
1489
1490 extern cvar_t cl_autofire;
1491
1492 extern cvar_t cl_shownet;
1493 extern cvar_t cl_nolerp;
1494 extern cvar_t cl_nettimesyncfactor;
1495 extern cvar_t cl_nettimesyncboundmode;
1496 extern cvar_t cl_nettimesyncboundtolerance;
1497
1498 extern cvar_t cl_pitchdriftspeed;
1499 extern cvar_t lookspring;
1500 extern cvar_t lookstrafe;
1501 extern cvar_t sensitivity;
1502
1503 extern cvar_t freelook;
1504
1505 extern cvar_t m_pitch;
1506 extern cvar_t m_yaw;
1507 extern cvar_t m_forward;
1508 extern cvar_t m_side;
1509
1510 extern cvar_t cl_autodemo;
1511 extern cvar_t cl_autodemo_nameformat;
1512 extern cvar_t cl_autodemo_delete;
1513
1514 extern cvar_t r_draweffects;
1515
1516 extern cvar_t cl_explosions_alpha_start;
1517 extern cvar_t cl_explosions_alpha_end;
1518 extern cvar_t cl_explosions_size_start;
1519 extern cvar_t cl_explosions_size_end;
1520 extern cvar_t cl_explosions_lifetime;
1521 extern cvar_t cl_stainmaps;
1522 extern cvar_t cl_stainmaps_clearonload;
1523
1524 extern cvar_t cl_prydoncursor;
1525 extern cvar_t cl_prydoncursor_notrace;
1526
1527 extern cvar_t cl_locs_enable;
1528
1529 extern client_state_t cl;
1530
1531 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);
1532
1533 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point);
1534 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point);
1535
1536 //=============================================================================
1537
1538 //
1539 // cl_main
1540 //
1541
1542 void CL_Shutdown (void);
1543 void CL_Init (void);
1544
1545 void CL_EstablishConnection(const char *host, int firstarg);
1546
1547 void CL_Disconnect (void);
1548 void CL_Disconnect_f (void);
1549
1550 void CL_UpdateRenderEntity(entity_render_t *ent);
1551 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap);
1552 void CL_UpdateViewEntities(void);
1553
1554 //
1555 // cl_input
1556 //
1557 typedef struct kbutton_s
1558 {
1559         int             down[2];                // key nums holding it down
1560         int             state;                  // low bit is down state
1561 }
1562 kbutton_t;
1563
1564 extern  kbutton_t       in_mlook, in_klook;
1565 extern  kbutton_t       in_strafe;
1566 extern  kbutton_t       in_speed;
1567
1568 void CL_InitInput (void);
1569 void CL_SendMove (void);
1570
1571 void CL_ValidateState(entity_state_t *s);
1572 void CL_MoveLerpEntityStates(entity_t *ent);
1573 void CL_LerpUpdate(entity_t *e);
1574 void CL_ParseTEnt (void);
1575 void CL_NewBeam (int ent, vec3_t start, vec3_t end, dp_model_t *m, int lightning);
1576 void CL_RelinkBeams (void);
1577 void CL_Beam_CalculatePositions (const beam_t *b, vec3_t start, vec3_t end);
1578 void CL_ClientMovement_Replay(void);
1579
1580 void CL_ClearTempEntities (void);
1581 entity_render_t *CL_NewTempEntity (double shadertime);
1582
1583 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate);
1584
1585 void CL_ClearState (void);
1586 void CL_ExpandEntities(int num);
1587 void CL_ExpandCSQCRenderEntities(int num);
1588 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet);
1589
1590
1591 void CL_UpdateWorld (void);
1592 void CL_WriteToServer (void);
1593 void CL_Input (void);
1594 extern int cl_ignoremousemoves;
1595
1596
1597 float CL_KeyState (kbutton_t *key);
1598 const char *Key_KeynumToString (int keynum, char *buf, size_t buflength);
1599 int Key_StringToKeynum (const char *str);
1600
1601 //
1602 // cl_demo.c
1603 //
1604 void CL_StopPlayback(void);
1605 void CL_ReadDemoMessage(void);
1606 void CL_WriteDemoMessage(sizebuf_t *mesage);
1607
1608 void CL_CutDemo(unsigned char **buf, fs_offset_t *filesize);
1609 void CL_PasteDemo(unsigned char **buf, fs_offset_t *filesize);
1610
1611 void CL_NextDemo(void);
1612 void CL_Stop_f(void);
1613 void CL_Record_f(void);
1614 void CL_PlayDemo_f(void);
1615 void CL_TimeDemo_f(void);
1616
1617 //
1618 // cl_parse.c
1619 //
1620 void CL_Parse_Init(void);
1621 void CL_Parse_Shutdown(void);
1622 void CL_ParseServerMessage(void);
1623 void CL_Parse_DumpPacket(void);
1624 void CL_Parse_ErrorCleanUp(void);
1625 void QW_CL_StartUpload(unsigned char *data, int size);
1626 extern cvar_t qport;
1627 void CL_KeepaliveMessage(qboolean readmessages); // call this during loading of large content
1628
1629 //
1630 // view
1631 //
1632 void V_StartPitchDrift (void);
1633 void V_StopPitchDrift (void);
1634
1635 void V_Init (void);
1636 float V_CalcRoll (const vec3_t angles, const vec3_t velocity);
1637 void V_UpdateBlends (void);
1638 void V_ParseDamage (void);
1639
1640 //
1641 // cl_part
1642 //
1643
1644 extern cvar_t cl_particles;
1645 extern cvar_t cl_particles_quality;
1646 extern cvar_t cl_particles_size;
1647 extern cvar_t cl_particles_quake;
1648 extern cvar_t cl_particles_blood;
1649 extern cvar_t cl_particles_blood_alpha;
1650 extern cvar_t cl_particles_blood_decal_alpha;
1651 extern cvar_t cl_particles_blood_decal_scalemin;
1652 extern cvar_t cl_particles_blood_decal_scalemax;
1653 extern cvar_t cl_particles_blood_bloodhack;
1654 extern cvar_t cl_particles_bulletimpacts;
1655 extern cvar_t cl_particles_explosions_sparks;
1656 extern cvar_t cl_particles_explosions_shell;
1657 extern cvar_t cl_particles_rain;
1658 extern cvar_t cl_particles_snow;
1659 extern cvar_t cl_particles_smoke;
1660 extern cvar_t cl_particles_smoke_alpha;
1661 extern cvar_t cl_particles_smoke_alphafade;
1662 extern cvar_t cl_particles_sparks;
1663 extern cvar_t cl_particles_bubbles;
1664 extern cvar_t cl_decals;
1665 extern cvar_t cl_decals_time;
1666 extern cvar_t cl_decals_fadetime;
1667
1668 void CL_Particles_Clear(void);
1669 void CL_Particles_Init(void);
1670 void CL_Particles_Shutdown(void);
1671 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]);
1672
1673 typedef enum effectnameindex_s
1674 {
1675         EFFECT_NONE,
1676         EFFECT_TE_GUNSHOT,
1677         EFFECT_TE_GUNSHOTQUAD,
1678         EFFECT_TE_SPIKE,
1679         EFFECT_TE_SPIKEQUAD,
1680         EFFECT_TE_SUPERSPIKE,
1681         EFFECT_TE_SUPERSPIKEQUAD,
1682         EFFECT_TE_WIZSPIKE,
1683         EFFECT_TE_KNIGHTSPIKE,
1684         EFFECT_TE_EXPLOSION,
1685         EFFECT_TE_EXPLOSIONQUAD,
1686         EFFECT_TE_TAREXPLOSION,
1687         EFFECT_TE_TELEPORT,
1688         EFFECT_TE_LAVASPLASH,
1689         EFFECT_TE_SMALLFLASH,
1690         EFFECT_TE_FLAMEJET,
1691         EFFECT_EF_FLAME,
1692         EFFECT_TE_BLOOD,
1693         EFFECT_TE_SPARK,
1694         EFFECT_TE_PLASMABURN,
1695         EFFECT_TE_TEI_G3,
1696         EFFECT_TE_TEI_SMOKE,
1697         EFFECT_TE_TEI_BIGEXPLOSION,
1698         EFFECT_TE_TEI_PLASMAHIT,
1699         EFFECT_EF_STARDUST,
1700         EFFECT_TR_ROCKET,
1701         EFFECT_TR_GRENADE,
1702         EFFECT_TR_BLOOD,
1703         EFFECT_TR_WIZSPIKE,
1704         EFFECT_TR_SLIGHTBLOOD,
1705         EFFECT_TR_KNIGHTSPIKE,
1706         EFFECT_TR_VORESPIKE,
1707         EFFECT_TR_NEHAHRASMOKE,
1708         EFFECT_TR_NEXUIZPLASMA,
1709         EFFECT_TR_GLOWTRAIL,
1710         EFFECT_SVC_PARTICLE,
1711         EFFECT_TOTAL
1712 }
1713 effectnameindex_t;
1714
1715 int CL_ParticleEffectIndexForName(const char *name);
1716 const char *CL_ParticleEffectNameForIndex(int i);
1717 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);
1718 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);
1719 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);
1720 void CL_ParseParticleEffect (void);
1721 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);
1722 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type);
1723 void CL_EntityParticles (const entity_t *ent);
1724 void CL_ParticleExplosion (const vec3_t org);
1725 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength);
1726 void R_NewExplosion(const vec3_t org);
1727
1728 void Debug_PolygonBegin(const char *picname, int flags);
1729 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a);
1730 void Debug_PolygonEnd(void);
1731
1732 #include "cl_screen.h"
1733
1734 extern qboolean sb_showscores;
1735
1736 float RSurf_FogVertex(const vec3_t p);
1737 float RSurf_FogPoint(const vec3_t p);
1738
1739 typedef enum r_viewport_type_e
1740 {
1741         R_VIEWPORTTYPE_ORTHO,
1742         R_VIEWPORTTYPE_PERSPECTIVE,
1743         R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP,
1744         R_VIEWPORTTYPE_PERSPECTIVECUBESIDE,
1745         R_VIEWPORTTYPE_TOTAL
1746 }
1747 r_viewport_type_t;
1748
1749 typedef struct r_viewport_s
1750 {
1751         matrix4x4_t cameramatrix; // from entity (transforms from camera entity to world)
1752         matrix4x4_t viewmatrix; // actual matrix for rendering (transforms to viewspace)
1753         matrix4x4_t projectmatrix; // actual projection matrix (transforms from viewspace to screen)
1754         int x;
1755         int y;
1756         int z;
1757         int width;
1758         int height;
1759         int depth;
1760         r_viewport_type_t type;
1761         float screentodepth[2]; // used by deferred renderer to calculate linear depth from device depth coordinates
1762 }
1763 r_viewport_t;
1764
1765 typedef struct r_refdef_view_s
1766 {
1767         // view information (changes multiple times per frame)
1768         // if any of these variables change then r_refdef.viewcache must be regenerated
1769         // by calling R_View_Update
1770         // (which also updates viewport, scissor, colormask)
1771
1772         // it is safe and expected to copy this into a structure on the stack and
1773         // call the renderer recursively, then restore from the stack afterward
1774         // (as long as R_View_Update is called)
1775
1776         // eye position information
1777         matrix4x4_t matrix, inverse_matrix;
1778         vec3_t origin;
1779         vec3_t forward;
1780         vec3_t left;
1781         vec3_t right;
1782         vec3_t up;
1783         int numfrustumplanes;
1784         mplane_t frustum[6];
1785         qboolean useclipplane;
1786         qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
1787         mplane_t clipplane;
1788         float frustum_x, frustum_y;
1789         vec3_t frustumcorner[4];
1790         // if turned off it renders an ortho view
1791         int useperspective;
1792         float ortho_x, ortho_y;
1793
1794         // screen area to render in
1795         int x;
1796         int y;
1797         int z;
1798         int width;
1799         int height;
1800         int depth;
1801         r_viewport_t viewport; // note: if r_viewscale is used, the viewport.width and viewport.height may be less than width and height
1802
1803         // which color components to allow (for anaglyph glasses)
1804         int colormask[4];
1805
1806         // global RGB color multiplier for rendering
1807         float colorscale;
1808
1809         // whether to call R_ClearScreen before rendering stuff
1810         qboolean clear;
1811         // if true, don't clear or do any post process effects (bloom, etc)
1812         qboolean isoverlay;
1813         // 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)
1814         qboolean ismain;
1815
1816         // whether to draw r_showtris and such, this is only true for the main
1817         // view render, all secondary renders (mirrors, portals, cameras,
1818         // distortion effects, etc) omit such debugging information
1819         qboolean showdebug;
1820
1821         // these define which values to use in GL_CullFace calls to request frontface or backface culling
1822         int cullface_front;
1823         int cullface_back;
1824
1825         // render quality (0 to 1) - affects r_drawparticles_drawdistance and others
1826         float quality;
1827 }
1828 r_refdef_view_t;
1829
1830 typedef struct r_refdef_viewcache_s
1831 {
1832         // updated by gl_main_newmap()
1833         int maxentities;
1834         int world_numclusters;
1835         int world_numclusterbytes;
1836         int world_numleafs;
1837         int world_numsurfaces;
1838
1839         // these properties are generated by R_View_Update()
1840
1841         // which entities are currently visible for this viewpoint
1842         // (the used range is 0...r_refdef.scene.numentities)
1843         unsigned char *entityvisible;
1844
1845         // flag arrays used for visibility checking on world model
1846         // (all other entities have no per-surface/per-leaf visibility checks)
1847         unsigned char *world_pvsbits;
1848         unsigned char *world_leafvisible;
1849         unsigned char *world_surfacevisible;
1850         // if true, the view is currently in a leaf without pvs data
1851         qboolean world_novis;
1852 }
1853 r_refdef_viewcache_t;
1854
1855 // TODO: really think about which fields should go into scene and which one should stay in refdef [1/7/2008 Black]
1856 // maybe also refactor some of the functions to support different setting sources (ie. fogenabled, etc.) for different scenes
1857 typedef struct r_refdef_scene_s {
1858         // whether to call S_ExtraUpdate during render to reduce sound chop
1859         qboolean extraupdate;
1860
1861         // (client gameworld) time for rendering time based effects
1862         double time;
1863
1864         // the world
1865         entity_render_t *worldentity;
1866
1867         // same as worldentity->model
1868         dp_model_t *worldmodel;
1869
1870         // renderable entities (excluding world)
1871         entity_render_t **entities;
1872         int numentities;
1873         int maxentities;
1874
1875         // field of temporary entities that is reset each (client) frame
1876         entity_render_t *tempentities;
1877         int numtempentities;
1878         int maxtempentities;
1879         qboolean expandtempentities;
1880
1881         // renderable dynamic lights
1882         rtlight_t *lights[MAX_DLIGHTS];
1883         rtlight_t templights[MAX_DLIGHTS];
1884         int numlights;
1885
1886         // intensities for light styles right now, controls rtlights
1887         float rtlightstylevalue[MAX_LIGHTSTYLES];       // float fraction of base light value
1888         // 8.8bit fixed point intensities for light styles
1889         // controls intensity lightmap layers
1890         unsigned short lightstylevalue[MAX_LIGHTSTYLES];        // 8.8 fraction of base light value
1891
1892         float ambient;
1893
1894         qboolean rtworld;
1895         qboolean rtworldshadows;
1896         qboolean rtdlight;
1897         qboolean rtdlightshadows;
1898 } r_refdef_scene_t;
1899
1900 typedef struct r_refdef_s
1901 {
1902         // these fields define the basic rendering information for the world
1903         // but not the view, which could change multiple times in one rendered
1904         // frame (for example when rendering textures for certain effects)
1905
1906         // these are set for water warping before
1907         // frustum_x/frustum_y are calculated
1908         float frustumscale_x, frustumscale_y;
1909
1910         // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
1911         r_refdef_view_t view;
1912         r_refdef_viewcache_t viewcache;
1913
1914         // minimum visible distance (pixels closer than this disappear)
1915         double nearclip;
1916         // maximum visible distance (pixels further than this disappear in 16bpp modes,
1917         // in 32bpp an infinite-farclip matrix is used instead)
1918         double farclip;
1919
1920         // fullscreen color blend
1921         float viewblend[4];
1922
1923         r_refdef_scene_t scene;
1924
1925         float fogplane[4];
1926         float fogplaneviewdist;
1927         qboolean fogplaneviewabove;
1928         float fogheightfade;
1929         float fogcolor[3];
1930         float fogrange;
1931         float fograngerecip;
1932         float fogmasktabledistmultiplier;
1933 #define FOGMASKTABLEWIDTH 1024
1934         float fogmasktable[FOGMASKTABLEWIDTH];
1935         float fogmasktable_start, fogmasktable_alpha, fogmasktable_range, fogmasktable_density;
1936         float fog_density;
1937         float fog_red;
1938         float fog_green;
1939         float fog_blue;
1940         float fog_alpha;
1941         float fog_start;
1942         float fog_end;
1943         float fog_height;
1944         float fog_fadedepth;
1945         qboolean fogenabled;
1946         qboolean oldgl_fogenable;
1947
1948         // new flexible texture height fog (overrides normal fog)
1949         char fog_height_texturename[64]; // note: must be 64 for the sscanf code
1950         unsigned char *fog_height_table1d;
1951         unsigned char *fog_height_table2d;
1952         int fog_height_tablesize; // enable
1953         float fog_height_tablescale;
1954         float fog_height_texcoordscale;
1955         char fogheighttexturename[64]; // detects changes to active fog height texture
1956
1957         int draw2dstage; // 0 = no, 1 = yes, other value = needs setting up again
1958
1959         // true during envmap command capture
1960         qboolean envmap;
1961
1962         // brightness of world lightmaps and related lighting
1963         // (often reduced when world rtlights are enabled)
1964         float lightmapintensity;
1965         // whether to draw world lights realtime, dlights realtime, and their shadows
1966         float polygonfactor;
1967         float polygonoffset;
1968         float shadowpolygonfactor;
1969         float shadowpolygonoffset;
1970
1971         // how long R_RenderView took on the previous frame
1972         double lastdrawscreentime;
1973
1974         // rendering stats for r_speeds display
1975         // (these are incremented in many places)
1976         int stats[r_stat_count];
1977 }
1978 r_refdef_t;
1979
1980 extern r_refdef_t r_refdef;
1981
1982 typedef enum waterlevel_e
1983 {
1984         WATERLEVEL_NONE,
1985         WATERLEVEL_WETFEET,
1986         WATERLEVEL_SWIMMING,
1987         WATERLEVEL_SUBMERGED
1988 }
1989 waterlevel_t;
1990
1991 typedef struct cl_clientmovement_state_s
1992 {
1993         // entity to be ignored for movement
1994         struct prvm_edict_s *self;
1995         // position
1996         vec3_t origin;
1997         vec3_t velocity;
1998         // current bounding box (different if crouched vs standing)
1999         vec3_t mins;
2000         vec3_t maxs;
2001         // currently on the ground
2002         qboolean onground;
2003         // currently crouching
2004         qboolean crouched;
2005         // what kind of water (SUPERCONTENTS_LAVA for instance)
2006         int watertype;
2007         // how deep
2008         waterlevel_t waterlevel;
2009         // weird hacks when jumping out of water
2010         // (this is in seconds and counts down to 0)
2011         float waterjumptime;
2012
2013         // user command
2014         usercmd_t cmd;
2015 }
2016 cl_clientmovement_state_t;
2017 void CL_ClientMovement_PlayerMove_Frame(cl_clientmovement_state_t *s);
2018
2019 // warpzone prediction hack (CSQC builtin)
2020 void CL_RotateMoves(const matrix4x4_t *m);
2021
2022 void CL_NewFrameReceived(int num);
2023 void CL_ParseEntityLump(char *entitystring);
2024 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
2025 void CL_RelinkLightFlashes(void);
2026 void Sbar_ShowFPS(void);
2027 void Sbar_ShowFPS_Update(void);
2028 void Host_SaveConfig(void);
2029 void Host_LoadConfig_f(void);
2030 void CL_UpdateMoveVars(void);
2031 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length);
2032 void V_DriftPitch(void);
2033 void V_FadeViewFlashs(void);
2034 void V_CalcViewBlend(void);
2035 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);
2036 void V_CalcRefdef(void);
2037 void CL_Locs_Reload_f(void);
2038
2039 #endif
2040