world_routes.h

   1 /*
   2  * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef ROUTES_H
   6 #define ROUTES_H
   7
   8 #include <time.h>
   9 #include "world.h"
  10 #include "world_gate.h"
  11 #include "font.h"
  12
  13 #if 0
  14 #include "shaders/vblend.h"
  15 #endif
  16
  17 #include "shaders/scene_route.h"
  18 #include "shaders/routeui.h"
  19
  20
  21 VG_STATIC
  22 void world_routes_local_set_record( world_instance *world, ent_route *route,
  23                                     double lap_time )
  24 {
  25    vg_success( "  NEW LAP TIME: %f\n", lap_time );
  26
  27    if( route->official_track_id != 0xffffffff ){
  28       double time_centiseconds = lap_time * 100.0;
  29       if( time_centiseconds > (float)0xfffe )   /* skill issue */
  30          return;
  31
  32       highscore_record temp;
  33       temp.trackid  = route->official_track_id;
  34       temp.datetime = time(NULL);
  35       temp.playerid = 0;
  36       temp.points   = 0;
  37       temp.time     = time_centiseconds;
  38
  39 #if 0
  40       highscores_push_record( &temp );
  41 #endif
  42
  43       struct track_info *ti = &track_infos[ route->official_track_id ];
  44       ti->push = 1;
  45
  46       if( ti->achievement_id ){
  47 #if 0
  48          steam_set_achievement( ti->achievement_id );
  49          steam_store_achievements();
  50 #endif
  51       }
  52    }
  53    else{
  54       vg_warn( "There is no associated track for this record...\n" );
  55    }
  56 }
  57
  58
  59 VG_STATIC void world_routes_clear( world_instance *world )
  60 {
  61    for( u32 i=0; i<mdl_arrcount( &world->ent_route ); i++ ){
  62       ent_route *route = mdl_arritm( &world->ent_route, i );
  63       route->active_checkpoint = 0xffff;
  64    }
  65
  66    for( u32 i=0; i<mdl_arrcount( &world->ent_gate ); i++ ){
  67       ent_gate *rg = mdl_arritm( &world->ent_gate, i );
  68       rg->timing_version = 0;
  69       rg->timing_time = 0.0;
  70    }
  71
  72    world_global.current_run_version += 4;
  73    world_global.last_use = 0.0;
  74 }
  75
  76 VG_STATIC void world_routes_time_lap( world_instance *world, ent_route *route )
  77 {
  78    vg_info( "------- time lap %s -------\n",
  79             mdl_pstr(&world->meta,route->pstr_name) );
  80
  81    double start_time = 0.0;
  82    u32 last_version=0;
  83
  84    u32 valid_count=0;
  85
  86    for( u32 i=0; i<route->checkpoints_count; i++ ){
  87       u32 cpid  = route->checkpoints_start+(i+route->active_checkpoint);
  88           cpid  = cpid % route->checkpoints_count;
  89
  90       ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint, cpid );
  91       ent_gate *rg = mdl_arritm( &world->ent_gate, cp->gate_index );
  92                 rg = mdl_arritm( &world->ent_gate, rg->target );
  93
  94       if( i == 0 )
  95          start_time = rg->timing_time;
  96       else{
  97          if( last_version+1 == rg->timing_version ) valid_count ++;
  98          else valid_count = 0;
  99       }
 100
 101       last_version = rg->timing_version;
 102       vg_info( "%u %f\n", rg->timing_version, rg->timing_time );
 103    }
 104
 105    if( world_global.current_run_version == last_version+1 ) valid_count ++;
 106    else valid_count = 0;
 107
 108    vg_info( "%u %f\n", world_global.current_run_version, world_global.time );
 109
 110    if( valid_count==route->checkpoints_count ){
 111       double lap_time = world_global.time - start_time;
 112       world_routes_local_set_record( world, route, lap_time );
 113    }
 114
 115    route->valid_checkpoints = valid_count+1;
 116    route->timing_base = start_time;
 117
 118    vg_info( "valid: %u\n", valid_count );
 119    vg_info( "----------------------------\n" );
 120 }
 121
 122 /*
 123  * When going through a gate this is called for bookkeeping purposes
 124  */
 125 VG_STATIC void world_routes_activate_entry_gate( world_instance *world,
 126                                                  ent_gate *rg )
 127 {
 128    ent_gate *dest = mdl_arritm( &world->ent_gate, rg->target );
 129
 130    world_global.last_use = world_global.time;
 131
 132    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 133       ent_route *route = mdl_arritm( &world->ent_route, i );
 134
 135       u32 active_prev = route->active_checkpoint;
 136       route->active_checkpoint = 0xffff;
 137
 138       for( u32 j=0; j<4; j++ ){
 139          if( dest->routes[j] == i ){
 140             for( u32 k=0; k<route->checkpoints_count; k++ ){
 141                ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint,
 142                                                  route->checkpoints_start+k );
 143
 144                ent_gate *gk = mdl_arritm( &world->ent_gate, cp->gate_index );
 145                          gk = mdl_arritm( &world->ent_gate, gk->target );
 146                if( gk == dest ){
 147                   route->active_checkpoint = k;
 148                   world_routes_time_lap( world, route );
 149                   break;
 150                }
 151             }
 152             break;
 153          }
 154       }
 155    }
 156
 157    dest->timing_version = world_global.current_run_version;
 158    dest->timing_time = world_global.time;
 159
 160    world_global.current_run_version ++;
 161 }
 162
 163 /* draw lines along the paths */
 164 VG_STATIC void world_routes_debug( world_instance *world )
 165 {
 166    for( u32 i=0; i<mdl_arrcount(&world->ent_route_node); i++ ){
 167       ent_route_node *rn = mdl_arritm(&world->ent_route_node,i);
 168       vg_line_pt3( rn->co, 0.25f, VG__WHITE );
 169    }
 170
 171    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 172       ent_route *route = mdl_arritm(&world->ent_route, i);
 173
 174       u32 colours[] = { 0xfff58142, 0xff42cbf5, 0xff42f56c, 0xfff542b3,
 175                         0xff5442f5 };
 176
 177       u32 cc = 0xffcccccc;
 178       if( route->active_checkpoint != 0xffff ){
 179          cc = colours[i%vg_list_size(colours)];
 180       }
 181
 182       for( int i=0; i<route->checkpoints_count; i++ ){
 183          int i0 = route->checkpoints_start+i,
 184              i1 = route->checkpoints_start+((i+1)%route->checkpoints_count);
 185
 186          ent_checkpoint *c0 = mdl_arritm(&world->ent_checkpoint, i0),
 187                         *c1 = mdl_arritm(&world->ent_checkpoint, i1);
 188
 189          ent_gate *start_gate = mdl_arritm( &world->ent_gate, c0->gate_index );
 190          ent_gate *end_gate = mdl_arritm( &world->ent_gate, c1->gate_index );
 191
 192          v3f p0, p1;
 193          v3_copy( start_gate->co[1], p0 );
 194
 195          for( int j=0; j<c0->path_count; j ++ ){
 196             ent_path_index *index = mdl_arritm( &world->ent_path_index,
 197                                                 c0->path_start+j );
 198
 199             ent_route_node *rn = mdl_arritm( &world->ent_route_node,
 200                                              index->index );
 201
 202             v3_copy( rn->co, p1 );
 203             vg_line( p0, p1, cc );
 204             v3_copy( p1, p0 );
 205          }
 206
 207          v3_copy( end_gate->co[0], p1 );
 208          vg_line( p0, p1, cc );
 209       }
 210    }
 211 }
 212
 213 VG_STATIC void world_routes_place_curve( world_instance *world,
 214                                          v4f h[3], v3f n0, v3f n2 )
 215 {
 216    float t;
 217    v3f p, pd;
 218    int last_valid=0;
 219
 220    float total_length = 0.0f,
 221          travel_length = 0.0;
 222
 223    v3f last;
 224    v3_copy( h[0], last );
 225    for( int it=0; it<128; it ++ ){
 226       t = (float)(it+1) * (1.0f/128.0f);
 227       eval_bezier3( h[0], h[1], h[2], t, p );
 228       total_length += v3_dist( p, last );
 229       v3_copy( p, last );
 230    }
 231
 232    float patch_size = 4.0f,
 233          patch_count = ceilf( total_length / patch_size );
 234
 235    t = 0.0f;
 236    v3_copy( h[0], last );
 237
 238    for( int it=0; it<128; it ++ ){
 239       float const k_sample_dist = 0.0025f,
 240                   k_line_width = 1.5f;
 241
 242       eval_bezier3( h[0], h[1], h[2], t, p );
 243       eval_bezier3( h[0], h[1], h[2], t+k_sample_dist, pd );
 244
 245       travel_length += v3_dist( p, last );
 246
 247       float mod = k_sample_dist / v3_dist( p, pd );
 248
 249       v3f v0,up, right;
 250
 251       v3_muls( n0, -(1.0f-t), up );
 252       v3_muladds( up, n2, -t, up );
 253       v3_normalize( up );
 254
 255       v3_sub( pd,p,v0 );
 256       v3_cross( up, v0, right );
 257       v3_normalize( right );
 258
 259       float cur_x = (1.0f-t)*h[0][3] + t*h[2][3];
 260
 261       v3f sc, sa, sb, down;
 262       v3_muladds( p, right, cur_x * k_line_width, sc );
 263       v3_muladds( sc, up, 1.5f, sc );
 264       v3_muladds( sc, right, k_line_width*0.95f, sa );
 265       v3_muladds( sc, right, 0.0f, sb );
 266       v3_muls( up, -1.0f, down );
 267
 268       ray_hit ha, hb;
 269       ha.dist = 8.0f;
 270       hb.dist = 8.0f;
 271
 272       int resa = ray_world( world, sa, down, &ha ),
 273           resb = ray_world( world, sb, down, &hb );
 274
 275       if( resa && resb ){
 276          struct world_surface *surfa = ray_hit_surface( world, &ha ),
 277                               *surfb = ray_hit_surface( world, &hb );
 278
 279          if( (surfa->info.flags & k_material_flag_skate_surface) &&
 280              (surfb->info.flags & k_material_flag_skate_surface) )
 281          {
 282             scene_vert va, vb;
 283
 284             float gap = vg_fractf(cur_x*0.5f)*0.02f;
 285
 286             v3_muladds( ha.pos, up, 0.06f+gap, va.co );
 287             v3_muladds( hb.pos, up, 0.06f+gap, vb.co );
 288
 289             scene_vert_pack_norm( &va, up );
 290             scene_vert_pack_norm( &vb, up );
 291
 292             float t1 = (travel_length / total_length) * patch_count;
 293             va.uv[0] = t1;
 294             va.uv[1] = 0.0f;
 295             vb.uv[0] = t1;
 296             vb.uv[1] = 1.0f;
 297
 298             scene_push_vert( world->scene_lines, &va );
 299             scene_push_vert( world->scene_lines, &vb );
 300
 301             if( last_valid ){
 302                /* Connect them with triangles */
 303                scene_push_tri( world->scene_lines, (u32[3]){
 304                      last_valid+0-2, last_valid+1-2, last_valid+2-2} );
 305                scene_push_tri( world->scene_lines, (u32[3]){
 306                      last_valid+1-2, last_valid+3-2, last_valid+2-2} );
 307             }
 308
 309             last_valid = world->scene_lines->vertex_count;
 310          }
 311          else
 312             last_valid = 0;
 313       }
 314       else
 315          last_valid = 0;
 316
 317       if( t == 1.0f )
 318          return;
 319
 320       t += 1.0f*mod;
 321       if( t > 1.0f )
 322          t = 1.0f;
 323
 324       v3_copy( p, last );
 325    }
 326 }
 327
 328 VG_STATIC void world_routes_create_mesh( world_instance *world, u32 route_id )
 329 {
 330    ent_route *route = mdl_arritm( &world->ent_route, route_id );
 331    u32 last_valid = 0;
 332
 333    for( int i=0; i<route->checkpoints_count; i++ ){
 334       int i0 = route->checkpoints_start+i,
 335           i1 = route->checkpoints_start+((i+1)%route->checkpoints_count);
 336
 337       ent_checkpoint *c0 = mdl_arritm(&world->ent_checkpoint, i0),
 338                      *c1 = mdl_arritm(&world->ent_checkpoint, i1);
 339
 340       ent_gate *start_gate = mdl_arritm( &world->ent_gate, c0->gate_index );
 341       start_gate = mdl_arritm( &world->ent_gate, start_gate->target );
 342
 343       ent_gate *end_gate = mdl_arritm( &world->ent_gate, c1->gate_index ),
 344                *collector = mdl_arritm( &world->ent_gate, end_gate->target );
 345
 346       v4f p[3];
 347
 348       v3_add( (v3f){0.0f,0.1f,0.0f}, start_gate->co[0], p[0] );
 349       p[0][3]  = start_gate->ref_count;
 350       p[0][3] -= (float)start_gate->route_count * 0.5f;
 351       start_gate->ref_count ++;
 352
 353       if( !c0->path_count )
 354          continue;
 355
 356       /* this is so that we get nice flow through the gates */
 357       v3f temp_alignments[2];
 358       ent_gate *both[] = { start_gate, end_gate };
 359
 360       for( int j=0; j<2; j++ ){
 361          int pi = c0->path_start + ((j==1)? c0->path_count-1: 0);
 362
 363          ent_path_index *index = mdl_arritm( &world->ent_path_index, pi );
 364          ent_route_node *rn = mdl_arritm( &world->ent_route_node,
 365                                           index->index );
 366          v3f v0;
 367          v3_sub( rn->co, both[j]->co[0], v0 );
 368          float d = v3_dot( v0, both[j]->to_world[2] );
 369
 370          v3_muladds( both[j]->co[0], both[j]->to_world[2], d,
 371                      temp_alignments[j] );
 372          v3_add( (v3f){0.0f,0.1f,0.0f}, temp_alignments[j], temp_alignments[j]);
 373       }
 374
 375
 376       for( int j=0; j<c0->path_count; j ++ ){
 377          ent_path_index *index = mdl_arritm( &world->ent_path_index,
 378                                              c0->path_start+j );
 379          ent_route_node *rn = mdl_arritm( &world->ent_route_node,
 380                                           index->index );
 381          if( j==0 || j==c0->path_count-1 )
 382             if( j == 0 )
 383                v3_copy( temp_alignments[0], p[1] );
 384             else
 385                v3_copy( temp_alignments[1], p[1] );
 386          else
 387             v3_copy( rn->co, p[1] );
 388
 389          p[1][3] = rn->ref_count;
 390          p[1][3] -= (float)rn->ref_total * 0.5f;
 391          rn->ref_count ++;
 392
 393          if( j+1 < c0->path_count ){
 394             index = mdl_arritm( &world->ent_path_index,
 395                                 c0->path_start+j+1 );
 396             rn = mdl_arritm( &world->ent_route_node, index->index );
 397
 398             if( j+1 == c0->path_count-1 )
 399                v3_lerp( p[1], temp_alignments[1], 0.5f, p[2] );
 400             else
 401                v3_lerp( p[1], rn->co, 0.5f, p[2] );
 402
 403             p[2][3] = rn->ref_count;
 404             p[2][3] -= (float)rn->ref_total * 0.5f;
 405          }
 406          else{
 407             v3_copy( end_gate->co[0], p[2] );
 408             v3_add( (v3f){0.0f,0.1f,0.0f}, p[2], p[2] );
 409             p[2][3] = collector->ref_count;
 410
 411             if( i == route->checkpoints_count-1)
 412                p[2][3] -= 1.0f;
 413
 414             p[2][3] -= (float)collector->route_count * 0.5f;
 415             //collector->ref_count ++;
 416          }
 417
 418          /* p0,p1,p2 bezier patch is complete
 419           * --------------------------------------*/
 420          v3f surf0, surf2, n0, n2;
 421
 422          if( bh_closest_point( world->geo_bh, p[0], surf0, 5.0f ) == -1 )
 423             v3_add( (v3f){0.0f,-0.1f,0.0f}, p[0], surf0 );
 424
 425          if( bh_closest_point( world->geo_bh, p[2], surf2, 5.0f ) == -1 )
 426             v3_add( (v3f){0.0f,-0.1f,0.0f}, p[2], surf2 );
 427
 428          v3_sub( surf0, p[0], n0 );
 429          v3_sub( surf2, p[2], n2 );
 430          v3_normalize( n0 );
 431          v3_normalize( n2 );
 432
 433          world_routes_place_curve( world, p, n0, n2 );
 434
 435          /* --- */
 436          v4_copy( p[2], p[0] );
 437       }
 438    }
 439
 440    scene_copy_slice( world->scene_lines, &route->sm );
 441 }
 442
 443 /*
 444  * Create the strips of colour that run through the world along course paths
 445  */
 446 VG_STATIC void world_routes_generate( world_instance *world )
 447 {
 448    vg_info( "Generating route meshes\n" );
 449    world->scene_lines = scene_init( world_global.generic_heap, 200000, 300000 );
 450
 451    for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
 452       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
 453       gate->ref_count = 0;
 454       gate->route_count = 0;
 455    }
 456
 457    for( u32 i=0; i<mdl_arrcount(&world->ent_route_node); i++ ){
 458       ent_route_node *rn = mdl_arritm( &world->ent_route_node, i );
 459       rn->ref_count = 0;
 460       rn->ref_total = 0;
 461    }
 462
 463    for( u32 k=0; k<mdl_arrcount(&world->ent_route); k++ ){
 464       ent_route *route = mdl_arritm( &world->ent_route, k );
 465
 466       for( int i=0; i<route->checkpoints_count; i++ ){
 467          int i0 = route->checkpoints_start+i,
 468              i1 = route->checkpoints_start+((i+1)%route->checkpoints_count);
 469
 470          ent_checkpoint *c0 = mdl_arritm(&world->ent_checkpoint, i0),
 471                         *c1 = mdl_arritm(&world->ent_checkpoint, i1);
 472
 473          ent_gate *start_gate = mdl_arritm( &world->ent_gate, c0->gate_index );
 474          start_gate = mdl_arritm( &world->ent_gate, start_gate->target );
 475          start_gate->route_count ++;
 476
 477          if( !c0->path_count )
 478             continue;
 479
 480          for( int j=0; j<c0->path_count; j ++ ){
 481             ent_path_index *index = mdl_arritm( &world->ent_path_index,
 482                                                 c0->path_start+j );
 483             ent_route_node *rn = mdl_arritm( &world->ent_route_node,
 484                                              index->index );
 485             rn->ref_total ++;
 486          }
 487       }
 488    }
 489
 490    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ )
 491       world_routes_create_mesh( world, i );
 492
 493    vg_acquire_thread_sync();
 494    {
 495       scene_upload( world->scene_lines, &world->mesh_route_lines );
 496    }
 497    vg_release_thread_sync();
 498    vg_linear_del( world_global.generic_heap, world->scene_lines );
 499
 500    world_routes_clear( world );
 501 }
 502
 503 /* load all routes from model header */
 504 VG_STATIC void world_routes_ent_init( world_instance *world )
 505 {
 506    vg_info( "Initializing routes\n" );
 507
 508    for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
 509       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
 510       for( u32 j=0; j<4; j++ ){
 511          gate->routes[j] = 0xffff;
 512       }
 513    }
 514
 515    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 516       ent_route *route = mdl_arritm(&world->ent_route,i);
 517       mdl_transform_m4x3( &route->transform, route->board_transform );
 518
 519       route->official_track_id = 0xffffffff;
 520       for( u32 j=0; j<vg_list_size(track_infos); j ++ ){
 521          if( !strcmp(track_infos[j].name,
 522                      mdl_pstr(&world->meta,route->pstr_name))){
 523             route->official_track_id = j;
 524          }
 525       }
 526
 527       for( u32 j=0; j<route->checkpoints_count; j++ ){
 528          u32 id = route->checkpoints_start + j;
 529          ent_checkpoint *cp = mdl_arritm(&world->ent_checkpoint,id);
 530
 531          ent_gate *gate = mdl_arritm( &world->ent_gate, cp->gate_index );
 532
 533          for( u32 k=0; k<4; k++ ){
 534             if( gate->routes[k] == 0xffff ){
 535                gate->routes[k] = i;
 536                break;
 537             }
 538          }
 539
 540          if( gate->type == k_gate_type_teleport ){
 541             gate = mdl_arritm(&world->ent_gate, gate->target );
 542
 543             for( u32 k=0; k<4; k++ ){
 544                if( gate->routes[k] == i ){
 545                   vg_error( "already assigned route to gate\n" );
 546                   break;
 547                }
 548                if( gate->routes[k] == 0xffff ){
 549                   gate->routes[k] = i;
 550                   break;
 551                }
 552             }
 553          }
 554       }
 555    }
 556
 557    for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
 558       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
 559
 560       vg_info( "ROUTES :: %hu %hu %hu %hu\n", gate->routes[0],
 561                                               gate->routes[1],
 562                                               gate->routes[2],
 563                                               gate->routes[3] );
 564    }
 565
 566    world_routes_clear( world );
 567 }
 568
 569 /*
 570  * -----------------------------------------------------------------------------
 571  *                                    Events
 572  * -----------------------------------------------------------------------------
 573  */
 574
 575 VG_STATIC void world_routes_init(void)
 576 {
 577    world_global.current_run_version = 200;
 578    world_global.time = RESET_MAX_TIME*2.0;
 579    world_global.last_use = 0.0;
 580
 581    shader_scene_route_register();
 582    shader_routeui_register();
 583 }
 584
 585 VG_STATIC void world_routes_update( world_instance *world )
 586 {
 587    world_global.time += vg.time_delta;
 588
 589    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 590       ent_route *route = mdl_arritm( &world->ent_route, i );
 591
 592       int target = route->active_checkpoint == 0xffff? 0: 1;
 593       route->factive = vg_lerpf( route->factive, target, 0.6f*vg.time_delta );
 594    }
 595 }
 596
 597 VG_STATIC void bind_terrain_noise(void);
 598 VG_STATIC void world_bind_light_array( world_instance *world,
 599                                        GLuint shader, GLuint location,
 600                                        int slot );
 601 VG_STATIC void world_bind_light_index( world_instance *world,
 602                                        GLuint shader, GLuint location,
 603                                        int slot );
 604
 605 VG_STATIC void world_routes_update_timer_texts( world_instance *world )
 606 {
 607    world_global.timer_text_count = 0;
 608
 609    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 610       ent_route *route = mdl_arritm( &world->ent_route, i );
 611
 612       if( route->active_checkpoint != 0xffff ){
 613          u32 next = route->active_checkpoint+1;
 614              next = next % route->checkpoints_count;
 615              next += route->checkpoints_start;
 616
 617          ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint, next );
 618          ent_gate *gate = mdl_arritm( &world->ent_gate, cp->gate_index );
 619          ent_gate *dest = mdl_arritm( &world->ent_gate, gate->target );
 620
 621          u32 j=0;
 622          for( ; j<4; j++ ){
 623             if( dest->routes[j] == i ){
 624                break;
 625             }
 626          }
 627
 628          float h0 = 0.8f,
 629                h1 = 1.2f,
 630                depth = 0.4f,
 631                size = 0.4f;
 632
 633          struct timer_text *text =
 634             &world_global.timer_texts[ world_global.timer_text_count ++ ];
 635
 636          text->gate = gate;
 637          text->route = route;
 638
 639          if( route->valid_checkpoints >= route->checkpoints_count ){
 640             double lap_time = world_global.time - route->timing_base,
 641                    time_centiseconds = lap_time * 100.0;
 642
 643             if( time_centiseconds > (float)0xfffe ) time_centiseconds = 0.0;
 644
 645             u16 centiseconds = time_centiseconds,
 646                 seconds      = centiseconds / 100,
 647                 minutes      = seconds / 60;
 648
 649             centiseconds %= 100;
 650             seconds     %= 60;
 651             minutes     %= 60;
 652
 653             if( minutes > 9 ) minutes = 9;
 654
 655             int j=0;
 656             if( minutes ){
 657                highscore_intr( text->text, minutes, 1, ' ' ); j++;
 658                text->text[j++] = ':';
 659             }
 660
 661             if( seconds >= 10 || minutes ){
 662                highscore_intr( text->text+j, seconds, 2, '0' ); j+=2;
 663             }
 664             else{
 665                highscore_intr( text->text+j, seconds, 1, '0' ); j++;
 666             }
 667
 668             text->text[j++] = '.';
 669             highscore_intr( text->text+j, centiseconds, 1, '0' ); j++;
 670             text->text[j] = '\0';
 671          }
 672          else{
 673             highscore_intr( text->text, route->valid_checkpoints, 1, ' ' );
 674             text->text[1] = '/';
 675             highscore_intr( text->text+2, route->checkpoints_count+1, 1, ' ' );
 676             text->text[3] = '\0';
 677          }
 678
 679          float align_r  = font3d_string_width( &world_global.font, 0,
 680                                                text->text );
 681                align_r *= size;
 682
 683          v3f positions[] = {
 684             { -0.92f, h0, depth },
 685             {  0.92f - align_r, h0, depth },
 686             { -0.92f, h1, depth },
 687             {  0.92f - align_r, h1, depth },
 688          };
 689
 690          if( dest->route_count == 1 ){
 691             positions[0][0] = -align_r*0.5f;
 692             positions[0][1] = h1;
 693          }
 694
 695          m3x3_copy( gate->to_world, text->transform );
 696          float ratio = v3_length(text->transform[0]) /
 697                         v3_length(text->transform[1]);
 698
 699          m3x3_scale( text->transform, (v3f){ size, size*ratio, 0.1f } );
 700          m4x3_mulv( gate->to_world, positions[j], text->transform[3] );
 701       }
 702    }
 703 }
 704
 705 VG_STATIC void world_routes_fracture( world_instance *world, ent_gate *gate )
 706 {
 707    world_global.text_particle_count = 0;
 708
 709    for( u32 i=0; i<world_global.timer_text_count; i++ ){
 710       struct timer_text *text = &world_global.timer_texts[i];
 711
 712       if( text->gate == gate ){
 713          v3f co, s;
 714          v4f q;
 715          m4x3_decompose( text->transform, co, q, s );
 716
 717          for( u32 j=0;; j++ ){
 718             char c = text->text[j];
 719             if( !c ) break;
 720
 721             if( c < '0' || c > '9' ) continue;
 722
 723             struct text_particle *particle =
 724                &world_global.text_particles[world_global.text_particle_count++];
 725
 726          }
 727       }
 728    }
 729 }
 730
 731 VG_STATIC void render_world_routes( world_instance *world, camera *cam,
 732                                     int layer_depth )
 733 {
 734    m4x3f identity_matrix;
 735    m4x3_identity( identity_matrix );
 736
 737    shader_scene_route_use();
 738    shader_scene_route_uTexGarbage(0);
 739    world_link_lighting_ub( world, _shader_scene_route.id );
 740    world_bind_position_texture( world, _shader_scene_route.id,
 741                         _uniform_scene_route_g_world_depth, 2 );
 742    world_bind_light_array( world, _shader_scene_route.id,
 743                         _uniform_scene_route_uLightsArray, 3 );
 744    world_bind_light_index( world, _shader_scene_route.id,
 745                                  _uniform_scene_route_uLightsIndex, 4 );
 746    bind_terrain_noise();
 747
 748    shader_scene_route_uPv( cam->mtx.pv );
 749    shader_scene_route_uPvmPrev( cam->mtx_prev.pv );
 750    shader_scene_route_uMdl( identity_matrix );
 751    shader_scene_route_uCamera( cam->transform[3] );
 752    shader_scene_route_uBoard0( TEMP_BOARD_0 );
 753    shader_scene_route_uBoard1( TEMP_BOARD_1 );
 754
 755    mesh_bind( &world->mesh_route_lines );
 756
 757    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 758       ent_route *route = mdl_arritm( &world->ent_route, i );
 759
 760       v4f colour;
 761       v3_lerp( (v3f){0.7f,0.7f,0.7f}, route->colour, route->factive, colour );
 762       colour[3] = route->factive*0.2f;
 763
 764       shader_scene_route_uColour( colour );
 765       mdl_draw_submesh( &route->sm );
 766    }
 767
 768    /* timers
 769     * ---------------------------------------------------- */
 770    if( layer_depth == 0 ){
 771       font3d_bind( &world_global.font, cam );
 772
 773       for( u32 i=0; i<world_global.timer_text_count; i++ ){
 774          struct timer_text *text = &world_global.timer_texts[i];
 775
 776          v4f colour;
 777          float brightness = 0.3f + world->ub_lighting.g_day_phase;
 778          v3_muls( text->route->colour, brightness, colour );
 779          colour[3] = 1.0f-text->route->factive;
 780
 781          shader_model_font_uColour( colour );
 782          font3d_simple_draw( &world_global.font, 0, text->text,
 783                              cam, text->transform );
 784       }
 785    }
 786
 787    /* gate markers
 788     * ---------------------------------------------------- */
 789
 790    shader_model_gate_use();
 791    shader_model_gate_uPv( cam->mtx.pv );
 792    shader_model_gate_uCam( cam->pos );
 793    shader_model_gate_uTime( vg.time*0.25f );
 794    shader_model_gate_uInvRes( (v2f){
 795          1.0f / (float)vg.window_x,
 796          1.0f / (float)vg.window_y });
 797
 798    mesh_bind( &world_global.mesh_gate );
 799
 800    /* skip writing into the motion vectors for this */
 801    glDrawBuffers( 1, (GLenum[]){ GL_COLOR_ATTACHMENT0 } );
 802
 803    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 804       ent_route *route = mdl_arritm( &world->ent_route, i );
 805
 806       if( route->active_checkpoint != 0xffff ){
 807          v4f colour;
 808          float brightness = 0.3f + world->ub_lighting.g_day_phase;
 809          v3_muls( route->colour, brightness, colour );
 810          colour[3] = 1.0f-route->factive;
 811
 812          shader_model_gate_uColour( colour );
 813
 814          u32 next = route->active_checkpoint+1+layer_depth;
 815              next = next % route->checkpoints_count;
 816              next += route->checkpoints_start;
 817
 818          ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint, next );
 819          ent_gate *gate = mdl_arritm( &world->ent_gate, cp->gate_index );
 820          shader_model_gate_uMdl( gate->to_world );
 821
 822          for( u32 j=0; j<4; j++ ){
 823             if( gate->routes[j] == i ){
 824                mdl_draw_submesh( &world_global.sm_gate_marker[j] );
 825                break;
 826             }
 827          }
 828       }
 829    }
 830    glDrawBuffers( 2, (GLenum[]){ GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 } );
 831 }
 832
 833 #endif /* ROUTES_H */