world_gen.h

   1 /*
   2  * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef WORLD_GEN_H
   6 #define WORLD_GEN_H
   7
   8 #include "world.h"
   9
  10 /* load world TODO: Put back vg back in loading state while this happens */
  11 VG_STATIC void world_load(void);
  12
  13
  14 VG_STATIC void world_add_all_if_material( m4x3f transform, scene *pscene,
  15                                           mdl_context *mdl, u32 id )
  16 {
  17    for( int i=0; i<mdl->info.node_count; i++ )
  18    {
  19       mdl_node *pnode = mdl_node_from_id( mdl, i );
  20
  21       for( int j=0; j<pnode->submesh_count; j++ )
  22       {
  23          mdl_submesh *sm = mdl_node_submesh( mdl, pnode, j );
  24          if( sm->material_id == id )
  25          {
  26             m4x3f transform2;
  27             mdl_node_transform( pnode, transform2 );
  28             m4x3_mul( transform, transform2, transform2 );
  29
  30             scene_add_submesh( pscene, mdl, sm, transform2 );
  31          }
  32       }
  33    }
  34 }
  35
  36 /* Sprinkle foliage models over the map on terrain material */
  37 VG_STATIC void world_apply_procedural_foliage( struct world_material *mat )
  38 {
  39    if( vg.quality_profile == k_quality_profile_low )
  40       return;
  41
  42    vg_info( "Applying foliage (%u)\n", mat->info.pstr_name );
  43
  44    vg_linear_clear( vg_mem.scratch );
  45
  46    mdl_context *mfoliage =
  47       mdl_load_full( vg_mem.scratch, "models/rs_foliage.mdl");
  48
  49    v3f volume;
  50    v3_sub( world.scene_geo->bbx[1], world.scene_geo->bbx[0], volume );
  51    volume[1] = 1.0f;
  52
  53    m4x3f transform;
  54    mdl_node *mblob = mdl_node_from_name( mfoliage, "blob" );
  55    mdl_submesh *sm_blob = mdl_node_submesh( mfoliage, mblob, 0 );
  56
  57    int count = 0;
  58
  59    for( int i=0;i<100000;i++ )
  60    {
  61       v3f pos;
  62       v3_mul( volume, (v3f){ vg_randf(), 1000.0f, vg_randf() }, pos );
  63       pos[1] = 1000.0f;
  64       v3_add( pos, world.scene_geo->bbx[0], pos );
  65
  66       ray_hit hit;
  67       hit.dist = INFINITY;
  68
  69       if( ray_world( pos, (v3f){0.0001f,-1.0f,0.0001f}, &hit ))
  70       {
  71          struct world_material *m1 = ray_hit_material( &hit );
  72          if((hit.normal[1] > 0.8f) && (m1 == mat) && (hit.pos[1] > 0.0f+10.0f))
  73          {
  74             v4f qsurface, qrandom;
  75             v3f axis;
  76
  77             v3_cross( (v3f){0.0f,1.0f,0.0f}, hit.normal, axis );
  78
  79             float angle = v3_dot(hit.normal,(v3f){0.0f,1.0f,0.0f});
  80             q_axis_angle( qsurface, axis, angle );
  81             q_axis_angle( qrandom, (v3f){0.0f,1.0f,0.0f}, vg_randf()*VG_TAUf );
  82             q_mul( qsurface, qrandom, qsurface );
  83             q_m3x3( qsurface, transform );
  84
  85             v3_copy( hit.pos, transform[3] );
  86             scene_add_submesh( world.scene_no_collide, mfoliage,
  87                                sm_blob, transform);
  88
  89             count ++;
  90          }
  91       }
  92    }
  93
  94    vg_info( "%d foliage models added\n", count );
  95 }
  96
  97 VG_STATIC void world_ents_allocate(void)
  98 {
  99    vg_info( "Allocating entities\n" );
 100
 101    /* count entites to allocate buffers for them.
 102     * maybe in the future we just store these numbers in the model file...
 103     *
 104     * TODO: use this in world_routes too */
 105
 106    struct countable
 107    {
 108       enum   classtype ct;
 109       void **to_allocate;
 110       u32    item_size;
 111       int    count;
 112    }
 113    entity_counts[] =
 114    {
 115       {
 116          k_classtype_spawn,
 117          (void*)&world.spawns,
 118          sizeof(struct respawn_point)
 119       },
 120       {
 121          k_classtype_audio,
 122          (void*)&world.audio_things,
 123          sizeof(struct world_audio_thing)
 124       },
 125       {
 126          k_classtype_trigger,
 127          (void*)&world.triggers,
 128          sizeof(struct trigger_zone)
 129       },
 130       {
 131          k_classtype_logic_relay,
 132          (void*)&world.logic_relays,
 133          sizeof(struct logic_relay)
 134       },
 135       {
 136          k_classtype_logic_achievement,
 137          (void*)&world.logic_achievements,
 138          sizeof(struct logic_achievement)
 139       }
 140    };
 141
 142    for( int i=0; i<vg_list_size(entity_counts); i++ )
 143       entity_counts[i].count = 0;
 144
 145    for( int i=0; i<world.meta->info.node_count; i++ )
 146    {
 147       mdl_node *pnode = mdl_node_from_id( world.meta, i );
 148
 149       for( int j=0; j<vg_list_size(entity_counts); j ++ )
 150       {
 151          if( pnode->classtype == entity_counts[j].ct )
 152          {
 153             pnode->sub_uid = entity_counts[j].count;
 154             entity_counts[j].count ++;
 155             break;
 156          }
 157       }
 158    }
 159
 160    for( int i=0; i<vg_list_size(entity_counts); i++ )
 161    {
 162       struct countable *counter = &entity_counts[i];
 163
 164       u32 bufsize = counter->item_size*counter->count;
 165       *counter->to_allocate = vg_linear_alloc( world.dynamic_vgl, bufsize );
 166    }
 167 }
 168
 169 VG_STATIC void world_pct_spawn( mdl_node *pnode )
 170 {
 171    struct respawn_point *rp = &world.spawns[ world.spawn_count ++ ];
 172
 173    v3_copy( pnode->co, rp->co );
 174    v4_copy( pnode->q, rp->q );
 175    rp->name = mdl_pstr( world.meta, pnode->pstr_name );
 176 }
 177
 178 VG_STATIC void world_pct_water( mdl_node *pnode )
 179 {
 180    if( world.water.enabled )
 181    {
 182       vg_warn( "Multiple water surfaces in level! ('%s')\n",
 183                mdl_pstr( world.meta, pnode->pstr_name ));
 184       return;
 185    }
 186
 187    world.water.enabled = 1;
 188    water_set_surface( pnode->co[1] );
 189 }
 190
 191 VG_STATIC void world_pct_audio( mdl_node *pnode )
 192 {
 193    struct world_audio_thing *thing = &world.audio_things[
 194                                       world.audio_things_count ];
 195
 196    memset( thing, 0, sizeof(struct world_audio_thing) );
 197    struct classtype_audio *aud = mdl_get_entdata( world.meta, pnode );
 198
 199    v3_copy( pnode->co, thing->pos );
 200
 201    if( aud->flags & AUDIO_FLAG_SPACIAL_3D )
 202       thing->volume = aud->volume * pnode->s[0];
 203    else
 204       thing->volume = aud->volume;
 205
 206    thing->flags = aud->flags;
 207    thing->temp_embedded_clip.path = mdl_pstr( world.meta, aud->pstr_file );
 208    thing->temp_embedded_clip.source_mode = k_audio_source_mono;
 209
 210    audio_clip_load( &thing->temp_embedded_clip, world.audio_vgl );
 211    thing->player.name = mdl_pstr( world.meta, pnode->pstr_name );
 212    thing->player.enqued = 0;
 213
 214    pnode->sub_uid = world.audio_things_count;
 215    world.audio_things_count ++;
 216 }
 217
 218
 219 VG_STATIC void world_pct_trigger( mdl_node *pnode )
 220 {
 221    struct trigger_zone *trigger = &world.triggers[ world.trigger_count ];
 222    struct classtype_trigger *inf = mdl_get_entdata( world.meta, pnode );
 223
 224    if( inf->target )
 225    {
 226       mdl_node *target_node = mdl_node_from_id( world.meta, inf->target );
 227
 228       trigger->target.sub_id = target_node->sub_uid;
 229       trigger->target.classtype = target_node->classtype;
 230    }
 231    else
 232    {
 233       vg_warn( "Trigger with no target...\n" );
 234       return;
 235    }
 236
 237    mdl_node_transform( pnode, trigger->transform );
 238    m4x3_invert_full( trigger->transform, trigger->inv_transform );
 239
 240    world.trigger_count ++;
 241 }
 242
 243
 244 VG_STATIC void world_pct_relay( mdl_node *pnode )
 245 {
 246    struct logic_relay *relay = &world.logic_relays[ world.relay_count ];
 247    struct classtype_logic_relay *inf = mdl_get_entdata( world.meta, pnode );
 248
 249    relay->target_count = 0;
 250
 251    for( int i=0; i<vg_list_size(relay->targets); i++ )
 252    {
 253       if( inf->targets[i] )
 254       {
 255          struct relay_target *target = &relay->targets[relay->target_count ++];
 256          mdl_node *other = mdl_node_from_id( world.meta, inf->targets[i] );
 257
 258          target->classtype = other->classtype;
 259          target->sub_id = other->sub_uid;
 260       }
 261    }
 262
 263    v3_copy( pnode->co, relay->pos );
 264    world.relay_count ++;
 265 }
 266
 267
 268 VG_STATIC void world_pct_achievement( mdl_node *pnode )
 269 {
 270    struct logic_achievement *ach =
 271       &world.logic_achievements[ world.achievement_count ];
 272    struct classtype_logic_achievement *inf =
 273       mdl_get_entdata( world.meta, pnode );
 274
 275    v3_copy( pnode->co, ach->pos );
 276    ach->achievement_id = mdl_pstr( world.meta, inf->pstr_name );
 277    ach->achieved = 0;
 278
 279    world.achievement_count ++;
 280 }
 281
 282
 283 VG_STATIC void world_entities_process(void)
 284 {
 285    struct entity_instruction
 286    {
 287       enum classtype ct;
 288       void (*process)( mdl_node *pnode );
 289    }
 290    entity_instructions[] =
 291    {
 292       { k_classtype_spawn,    world_pct_spawn },
 293       { k_classtype_water,    world_pct_water },
 294       { k_classtype_audio,    world_pct_audio },
 295       { k_classtype_trigger,  world_pct_trigger },
 296       { k_classtype_logic_relay, world_pct_relay },
 297       { k_classtype_logic_achievement, world_pct_achievement }
 298    };
 299
 300    for( int i=0; i<world.meta->info.node_count; i++ )
 301    {
 302       mdl_node *pnode = mdl_node_from_id( world.meta, i );
 303
 304       for( int j=0; j<vg_list_size(entity_instructions); j++ )
 305       {
 306          struct entity_instruction *instr = &entity_instructions[j];
 307
 308          if( pnode->classtype == instr->ct )
 309          {
 310             instr->process( pnode );
 311             break;
 312          }
 313       }
 314    }
 315 }
 316
 317 VG_STATIC void edge_bh_expand_bound( void *user, boxf bound, u32 item_index )
 318 {
 319    struct grind_edge *edge_array = user,
 320                      *edge = &edge_array[ item_index ];
 321
 322   box_addpt( bound, edge->p0 );
 323   box_addpt( bound, edge->p1 );
 324 }
 325
 326 VG_STATIC float edge_bh_centroid( void *user, u32 item_index, int axis )
 327 {
 328    struct grind_edge *edge_array = user,
 329                      *edge = &edge_array[ item_index ];
 330
 331    return (edge->p0[axis] + edge->p1[axis]) * 0.5f;
 332 }
 333
 334 VG_STATIC void edge_bh_swap( void *user, u32 ia, u32 ib )
 335 {
 336    struct grind_edge *edge_array = user,
 337                      *e0 = &edge_array[ ia ],
 338                      *e1 = &edge_array[ ib ],
 339                       et;
 340    et = *e0;
 341    *e0 = *e1;
 342    *e1 = et;
 343 }
 344
 345 VG_STATIC void edge_bh_closest( void *user, u32 index, v3f point, v3f closest )
 346 {
 347    struct grind_edge *edge_array = user,
 348                      *edge = &edge_array[ index ];
 349
 350    closest_point_segment( edge->p0, edge->p1, point, closest );
 351 }
 352
 353 VG_STATIC bh_system bh_system_edges =
 354 {
 355    .expand_bound = edge_bh_expand_bound,
 356    .item_centroid = edge_bh_centroid,
 357    .item_closest = edge_bh_closest,
 358    .item_swap = edge_bh_swap,
 359    .item_debug = NULL,
 360    .cast_ray = NULL
 361 };
 362
 363 VG_STATIC void world_generate_edges(void)
 364 {
 365    vg_info( "Generating edge array\n" );
 366    world.grind_edges = vg_linear_alloc( world.dynamic_vgl,
 367                                         5000*sizeof(struct grind_edge ) );
 368    world.grind_edge_count = 0;
 369
 370    u32 fs_count = 0;
 371    for( u32 i=0; i<world.scene_geo->vertex_count; i++ )
 372       if( world.scene_geo->arrvertices[i].weights[0] )
 373          fs_count ++;
 374
 375    vg_info( "Grind verts: %u\n", fs_count );
 376
 377    for( u32 i=0; i<world.scene_geo->indice_count/3; i++ )
 378    {
 379       u32 *ptri = &world.scene_geo->arrindices[ i*3 ];
 380
 381       for( int j=0; j<3; j++ )
 382       {
 383          u32 i0 = ptri[j],
 384              i1 = ptri[(j+1)%3];
 385
 386          mdl_vert *v0 = &world.scene_geo->arrvertices[ i0 ],
 387                   *v1 = &world.scene_geo->arrvertices[ i1 ];
 388
 389          if( v0->weights[0] )
 390          {
 391             if( world.grind_edge_count == 5000 )
 392                vg_fatal_exit_loop( "Edge capacity exceeded" );
 393
 394             struct grind_edge *ge =
 395                &world.grind_edges[ world.grind_edge_count ++ ];
 396
 397             v3_copy( v0->co, ge->p0 );
 398             v3_copy( v1->co, ge->p1 );
 399          }
 400       }
 401    }
 402
 403    vg_info( "Grind edge count: %u\n", world.grind_edge_count );
 404
 405    world.grind_edges = vg_linear_resize( world.dynamic_vgl, world.grind_edges,
 406                            world.grind_edge_count*sizeof(struct grind_edge) );
 407
 408    world.grind_bh = bh_create( world.dynamic_vgl, &bh_system_edges,
 409                                world.grind_edges, world.grind_edge_count,
 410                                2 );
 411 }
 412
 413 VG_STATIC void world_generate(void)
 414 {
 415    /*
 416     * Compile meshes into the world scenes
 417     */
 418    world.scene_geo = scene_init( world.dynamic_vgl, 320000, 1200000 );
 419
 420    m4x3f midentity;
 421    m4x3_identity( midentity );
 422
 423    /*
 424     * Generate scene: collidable geometry
 425     * ----------------------------------------------------------------
 426     */
 427
 428    vg_info( "Generating collidable geometry\n" );
 429
 430
 431    for( int i=0; i<world.material_count; i++ )
 432    {
 433       struct world_material *mat = &world.materials[ i ];
 434
 435       if( mat->info.flags & k_material_flag_collision )
 436          world_add_all_if_material( midentity, world.scene_geo, world.meta, i );
 437
 438       scene_copy_slice( world.scene_geo, &mat->sm_geo );
 439    }
 440
 441
 442
 443
 444    /* compress that bad boy */
 445    world.scene_geo = scene_fix( world.dynamic_vgl, world.scene_geo );
 446
 447    vg_acquire_thread_sync();
 448    {
 449       scene_upload( world.scene_geo, &world.mesh_geo );
 450    }
 451    vg_release_thread_sync();
 452
 453    /* setup spacial mapping and rigidbody */
 454    world.geo_bh = scene_bh_create( world.dynamic_vgl, world.scene_geo );
 455
 456    v3_zero( world.rb_geo.co );
 457    q_identity( world.rb_geo.q );
 458
 459    world.rb_geo.type = k_rb_shape_scene;
 460    world.rb_geo.inf.scene.bh_scene = world.geo_bh;
 461    world.rb_geo.is_world = 1;
 462    rb_init( &world.rb_geo );
 463
 464    /*
 465     * Generate scene: non-collidable geometry
 466     * ----------------------------------------------------------------
 467     */
 468    vg_info( "Generating non-collidable geometry\n" );
 469
 470    world.scene_no_collide = scene_init( world.dynamic_vgl, 200000, 500000 );
 471
 472    for( int i=0; i<world.material_count; i++ )
 473    {
 474       struct world_material *mat = &world.materials[ i ];
 475
 476       if( !(mat->info.flags & k_material_flag_collision) )
 477       {
 478          world_add_all_if_material( midentity, world.scene_no_collide,
 479                                     world.meta, i );
 480       }
 481
 482       if( mat->info.flags & k_material_flag_grow_grass )
 483          world_apply_procedural_foliage( mat );
 484
 485       scene_copy_slice( world.scene_no_collide, &mat->sm_no_collide );
 486    }
 487
 488    /* upload and free that */
 489    vg_acquire_thread_sync();
 490    {
 491       scene_upload( world.scene_no_collide, &world.mesh_no_collide );
 492    }
 493    vg_release_thread_sync();
 494
 495    vg_linear_del( world.dynamic_vgl, world.scene_no_collide );
 496    world.scene_no_collide = NULL;
 497
 498    world_generate_edges();
 499 }
 500
 501 VG_STATIC int reset_player( int argc, char const *argv[] );
 502 VG_STATIC void world_post_process(void)
 503 {
 504    /* initialize audio if need be */
 505    audio_lock();
 506    for( int i=0; i<world.audio_things_count; i++ )
 507    {
 508       struct world_audio_thing *thingy = &world.audio_things[ i ];
 509
 510       audio_player_init( &thingy->player );
 511       audio_player_set_flags( &thingy->player, thingy->flags );
 512       audio_player_set_vol( &thingy->player, thingy->volume );
 513       audio_player_set_pan( &thingy->player, 0.0f );
 514
 515       if( thingy->flags & AUDIO_FLAG_SPACIAL_3D )
 516          audio_player_set_position( &thingy->player, thingy->pos );
 517
 518       if( thingy->flags & AUDIO_FLAG_AUTO_START )
 519          audio_player_playclip( &thingy->player, &thingy->temp_embedded_clip );
 520    }
 521    audio_unlock();
 522
 523    vg_acquire_thread_sync();
 524    {
 525       /*
 526        * Rendering the depth map
 527        */
 528       camera ortho;
 529
 530       v3f extent;
 531       v3_sub( world.scene_geo->bbx[1], world.scene_geo->bbx[0], extent );
 532
 533       float fl = world.scene_geo->bbx[0][0],
 534             fr = world.scene_geo->bbx[1][0],
 535             fb = world.scene_geo->bbx[0][2],
 536             ft = world.scene_geo->bbx[1][2],
 537             rl = 1.0f / (fr-fl),
 538             tb = 1.0f / (ft-fb);
 539
 540       m4x4_zero( ortho.mtx.p );
 541       ortho.mtx.p[0][0] = 2.0f * rl;
 542       ortho.mtx.p[2][1] = 2.0f * tb;
 543       ortho.mtx.p[3][0] = (fr + fl) * -rl;
 544       ortho.mtx.p[3][1] = (ft + fb) * -tb;
 545       ortho.mtx.p[3][3] = 1.0f;
 546       m4x3_identity( ortho.transform );
 547       camera_update_view( &ortho );
 548       camera_finalize( &ortho );
 549
 550       glDisable(GL_DEPTH_TEST);
 551       glDisable(GL_BLEND);
 552       glDisable(GL_CULL_FACE);
 553       render_fb_bind( gpipeline.fb_heightmap );
 554       shader_blitcolour_use();
 555       shader_blitcolour_uColour( (v4f){-9999.0f,-9999.0f,-9999.0f,-9999.0f} );
 556       render_fsquad();
 557
 558       /* todo: hmm?? */
 559       glEnable(GL_BLEND);
 560       glBlendFunc(GL_ONE, GL_ONE);
 561       glBlendEquation(GL_MAX);
 562
 563       render_world_depth( &ortho );
 564       glDisable(GL_BLEND);
 565       glEnable(GL_DEPTH_TEST);
 566       glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 567
 568       /*
 569        * TODO: World settings entity
 570        */
 571       struct ub_world_lighting *winfo = &gpipeline.ub_world_lighting;
 572
 573       if( world.water.enabled )
 574          v4_copy( world.water.plane, winfo->g_water_plane );
 575
 576       v4f info_vec;
 577       v3f *bounds = world.scene_geo->bbx;
 578
 579       info_vec[0] = bounds[0][0];
 580       info_vec[1] = bounds[0][2];
 581       info_vec[2] = 1.0f/ (bounds[1][0]-bounds[0][0]);
 582       info_vec[3] = 1.0f/ (bounds[1][2]-bounds[0][2]);
 583       v4_copy( info_vec, winfo->g_depth_bounds );
 584
 585       winfo->g_water_fog = 0.04f;
 586       render_update_lighting_ub();
 587    }
 588
 589    vg_release_thread_sync();
 590
 591    /*
 592     * Setup scene collider
 593     */
 594
 595    reset_player( 1, (const char *[]){"start"} );
 596 }
 597
 598 VG_STATIC void world_process_resources(void)
 599 {
 600    vg_info( "Loading textures\n" );
 601    world.texture_count = world.meta->info.texture_count;
 602    world.textures =
 603       vg_linear_alloc( world.dynamic_vgl, sizeof(GLuint)*world.texture_count );
 604
 605    vg_acquire_thread_sync();
 606    {
 607       /* error texture */
 608       world.textures[0] = vg_tex2d_new();
 609       vg_tex2d_set_error();
 610       vg_tex2d_nearest();
 611       vg_tex2d_repeat();
 612
 613       for( int i=1; i<world.texture_count; i++ )
 614       {
 615          mdl_texture *tex = &world.meta->texture_buffer[i];
 616
 617          if( !tex->pack_offset )
 618          {
 619             vg_release_thread_sync();
 620             vg_fatal_exit_loop( "World models must have packed textures!" );
 621          }
 622
 623          vg_linear_clear( vg_mem.scratch );
 624          world.textures[i] = vg_tex2d_new();
 625          vg_tex2d_set_error();
 626          vg_tex2d_qoi( world.meta->pack + tex->pack_offset, tex->pack_length,
 627                        mdl_pstr( world.meta, tex->pstr_name ));
 628          vg_tex2d_nearest();
 629          vg_tex2d_repeat();
 630       }
 631    }
 632    vg_release_thread_sync();
 633
 634    vg_info( "Loading materials\n" );
 635
 636    u32 size = sizeof(struct world_material) * world.meta->info.material_count;
 637    world.materials = vg_linear_alloc( world.dynamic_vgl, size );
 638
 639    world.material_count = world.meta->info.material_count;
 640    memset( world.materials, 0, size );
 641
 642    for( int i=1; i<world.material_count; i++ )
 643       world.materials[i].info = world.meta->material_buffer[i];
 644
 645    /* error material */
 646    struct world_material *errmat = &world.materials[0];
 647    v4_copy( (v4f){ 1.0f,0.0f,0.0f,1.0f }, errmat->info.colour );
 648    v4_copy( (v4f){ 1.0f,0.0f,0.0f,1.0f }, errmat->info.colour1 );
 649    errmat->info.flags = 0x00;
 650    errmat->info.pstr_name = 0; /* useless? */
 651    errmat->info.shader = -1;
 652    errmat->info.tex_decal = 0;
 653    errmat->info.tex_diffuse = 0;
 654    errmat->info.tex_normal = 0;
 655 }
 656
 657 VG_STATIC void world_unload(void)
 658 {
 659    vg_acquire_thread_sync();
 660
 661    /* free meshes */
 662    mesh_free( &world.mesh_route_lines );
 663    mesh_free( &world.mesh_geo );
 664    mesh_free( &world.mesh_no_collide );
 665
 666    world.time = 0.0;
 667    world.rewind_from = 0.0;
 668    world.rewind_to = 0.0;
 669    world.last_use = 0.0;
 670    world.active_gate = 0;
 671    world.current_run_version = 2;
 672    world.active_route_board = 0;
 673    v3_zero( world.render_gate_pos );
 674
 675    for( int i=0; i<vg_list_size(world.ui_bars); i++ )
 676    {
 677       struct route_ui_bar *uib = &world.ui_bars[i];
 678       uib->segment_start = 0;
 679       uib->segment_count = 0;
 680       uib->fade_start = 0;
 681       uib->fade_count = 0;
 682       uib->fade_timer_start = 0.0;
 683       uib->xpos = 0.0f;
 684    }
 685
 686    /* delete textures and meshes */
 687    glDeleteTextures( world.texture_count, world.textures );
 688
 689    /* delete the entire block of memory */
 690    vg_linear_clear( world.dynamic_vgl );
 691    vg_linear_clear( world.audio_vgl );
 692
 693    /* clean dangling pointers */
 694    world.meta = NULL;
 695
 696    world.textures = NULL;
 697    world.texture_count = 0;
 698    world.materials = NULL;
 699    world.material_count = 0;
 700
 701    world.scene_geo = NULL;
 702    world.scene_no_collide = NULL;
 703    world.scene_lines = NULL;
 704    world.grind_edges = NULL;
 705    world.grind_edge_count = 0;
 706
 707    world.grind_bh = NULL;
 708    world.geo_bh = NULL;
 709    world.trigger_bh = NULL;
 710    world.audio_bh = NULL;
 711
 712    world.spawns = NULL;
 713    world.spawn_count = 0;
 714
 715    world.audio_things = NULL;
 716    world.audio_things_count = 0;
 717
 718    world.triggers = NULL;
 719    world.trigger_count = 0;
 720
 721    world.logic_relays = NULL;
 722    world.relay_count = 0;
 723
 724    world.logic_achievements = NULL;
 725    world.achievement_count = 0;
 726
 727    world.nodes = NULL;
 728    world.node_count = 0;
 729
 730    world.routes = NULL;
 731    world.route_count = 0;
 732
 733    world.gates = NULL;
 734    world.gate_count = 0;
 735
 736    world.collectors = NULL;
 737    world.collector_count = 0;
 738
 739    world.water.enabled = 0;
 740
 741    vg_release_thread_sync();
 742 }
 743
 744 VG_STATIC void world_load(void)
 745 {
 746    world_unload();
 747
 748    world.meta = mdl_load_full( world.dynamic_vgl, world.world_name );
 749    vg_info( "Loading world: %s\n", world.world_name );
 750
 751    /* process resources from pack */
 752    world_process_resources();
 753
 754    /* dynamic allocations */
 755    world_ents_allocate();
 756    world_routes_allocate();
 757
 758    /* meta processing */
 759    world_routes_process();
 760    world_entities_process();
 761
 762    /* main bulk */
 763    world_generate();
 764    world_routes_generate();
 765    world_post_process();
 766 }
 767
 768 #endif /* WORLD_GEN_H */