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