ent_skateshop.c

   1 #ifndef ENT_SKATESHOP_C
   2 #define ENT_SKATESHOP_C
   3
   4 #define VG_GAME
   5 #include "vg/vg.h"
   6 #include "vg/vg_steam_ugc.h"
   7 #include "ent_skateshop.h"
   8 #include "world.h"
   9 #include "player.h"
  10 #include "gui.h"
  11
  12 /*
  13  * Checks string equality but does a hash check first
  14  */
  15 static inline int const_str_eq( u32 hash, const char *str, const char *cmp )
  16 {
  17    if( hash == vg_strdjb2(cmp) )
  18       if( !strcmp( str, cmp ) )
  19          return 1;
  20    return 0;
  21 }
  22
  23 /*
  24  * Get an existing cache instance, allocate a new one to be loaded, or NULL if
  25  * there is no space
  26  */
  27 VG_STATIC struct cache_board *skateshop_cache_fetch( u32 registry_index )
  28 {
  29    struct registry_board *reg = NULL;
  30
  31    if( registry_index < global_skateshop.registry_count ){
  32       reg = &global_skateshop.registry[ registry_index ];
  33
  34       if( reg->cache_ptr ){
  35          return reg->cache_ptr;
  36       }
  37    }
  38
  39    /* lru eviction. should be a linked list maybe... */
  40    double min_time = 1e300;
  41    struct cache_board *min_board = NULL;
  42
  43    SDL_AtomicLock( &global_skateshop.sl_cache_access );
  44    for( u32 i=0; i<SKATESHOP_BOARD_CACHE_MAX; i++ ){
  45       struct cache_board *cache_ptr = &global_skateshop.cache[i];
  46
  47       if( cache_ptr->state == k_cache_board_state_load_request ) continue;
  48       if( cache_ptr->ref_count ) continue;
  49
  50       if( cache_ptr->last_use_time < min_time ){
  51          min_time = cache_ptr->last_use_time;
  52          min_board = cache_ptr;
  53       }
  54    }
  55
  56    if( min_board ){
  57       if( min_board->state == k_cache_board_state_loaded ){
  58          struct registry_board *other =
  59             &global_skateshop.registry[ min_board->registry_id ];
  60
  61          vg_info( "Deallocating board: '%s'\n", min_board, other->filename );
  62
  63          player_board_unload( &min_board->board );
  64          other->cache_ptr = NULL;
  65       }
  66
  67       if( reg ){
  68          vg_info( "Allocating board (reg:%u) '%s'\n",
  69                   registry_index, reg->filename );
  70       }
  71       else{
  72          vg_info( "Pre-allocating board (reg:%u) 'null'\n", registry_index );
  73       }
  74
  75       min_board->registry_id = registry_index;
  76       min_board->last_use_time = vg.time;
  77       min_board->ref_count = 0;
  78       min_board->state = k_cache_board_state_load_request;
  79    }
  80    else{
  81       vg_error( "No free boards to load registry!\n" );
  82    }
  83
  84    SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
  85    return min_board;
  86 }
  87
  88 VG_STATIC void skateshop_update_viewpage(void)
  89 {
  90    u32 page = global_skateshop.selected_registry_id/SKATESHOP_VIEW_SLOT_MAX;
  91
  92    for( u32 i=0; i<SKATESHOP_VIEW_SLOT_MAX; i++ ){
  93       struct shop_view_slot *slot = &global_skateshop.shop_view_slots[i];
  94       u32 request_id = page*SKATESHOP_VIEW_SLOT_MAX + i;
  95
  96       if( slot->cache_ptr ) unwatch_cache_board( slot->cache_ptr );
  97
  98       slot->cache_ptr = skateshop_cache_fetch( request_id );
  99       if( slot->cache_ptr ) watch_cache_board( slot->cache_ptr );
 100    }
 101 }
 102
 103 /* generic reciever */
 104 VG_STATIC void workshop_async_any_complete( void *data, u32 size )
 105 {
 106    workshop_end_op();
 107 }
 108
 109 /*
 110  * op/subroutine: k_workshop_op_item_load
 111  * -----------------------------------------------------------------------------
 112  */
 113
 114 /*
 115  * Reciever for board completion; only promotes the status in the main thread
 116  */
 117 VG_STATIC void skateshop_async_board_loaded( void *payload, u32 size )
 118 {
 119    SDL_AtomicLock( &global_skateshop.sl_cache_access );
 120    struct cache_board *cache_ptr = payload;
 121    cache_ptr->last_use_time = vg.time;
 122    cache_ptr->state = k_cache_board_state_loaded;
 123
 124    struct registry_board *reg =
 125       &global_skateshop.registry[ cache_ptr->registry_id ];
 126    reg->cache_ptr = cache_ptr;
 127    SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 128
 129    vg_success( "Async board loaded (%s)\n", reg->filename );
 130 }
 131
 132 /*
 133  * Thread(or subroutine of thread), for checking view slots that weve installed.
 134  * Load the model if a view slot wants it
 135  */
 136 VG_STATIC void workshop_visibile_load_loop_thread( void *_args )
 137 {
 138    char path[1024];
 139    for( u32 i=0; i<SKATESHOP_BOARD_CACHE_MAX; i++ ){
 140       struct cache_board *cache_ptr = &global_skateshop.cache[i];
 141
 142       SDL_AtomicLock( &global_skateshop.sl_cache_access );
 143       if( cache_ptr->state == k_cache_board_state_load_request ){
 144          if( cache_ptr->registry_id >= global_skateshop.registry_count ){
 145             /* should maybe have a different value for this case */
 146             cache_ptr->state = k_cache_board_state_none;
 147             SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 148             continue;
 149          }
 150
 151          /* continue with the request */
 152          SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 153
 154          struct registry_board *reg =
 155             &global_skateshop.registry[ cache_ptr->registry_id ];
 156
 157          if( reg->workshop_id ){
 158             vg_async_item *call =
 159                vg_async_alloc( sizeof(struct async_workshop_filepath_info) );
 160
 161             struct async_workshop_filepath_info *info = call->payload;
 162             info->buf = path;
 163             info->id = reg->workshop_id;
 164             info->len = vg_list_size(path) - strlen("/board.mdl")-1;
 165             vg_async_dispatch( call, async_workshop_get_filepath );
 166             vg_async_stall(); /* too bad! */
 167
 168             if( path[0] == '\0' ){
 169                SDL_AtomicLock( &global_skateshop.sl_cache_access );
 170                cache_ptr->state = k_cache_board_state_none;
 171                SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 172
 173                vg_error( "Failed SteamAPI_GetItemInstallInfo(" PRINTF_U64 ")\n",
 174                            reg->workshop_id );
 175                continue;
 176             }
 177             else{
 178                strcat( path, "/board.mdl" );
 179             }
 180          }
 181          else{
 182             snprintf( path, 256, "models/boards/%s", reg->filename );
 183          }
 184
 185          player_board_load( &cache_ptr->board, path );
 186          vg_async_call( skateshop_async_board_loaded, cache_ptr, 0 );
 187       }
 188       else
 189          SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 190    }
 191    vg_async_call( workshop_async_any_complete, NULL, 0 );
 192 }
 193
 194 /*
 195  * op: k_workshop_op_item_scan
 196  * -----------------------------------------------------------------------------
 197  */
 198
 199 /*
 200  * Reciever for scan completion. copies the registry_count back into t0
 201  */
 202 VG_STATIC void workshop_async_reg_update( void *data, u32 size )
 203 {
 204    vg_info( "Registry update notify\n" );
 205    global_skateshop.registry_count = global_skateshop.t1_registry_count;
 206 }
 207
 208 /*
 209  * Async thread which scans local files for boards, as well as scheduling
 210  * synchronous calls to the workshop
 211  */
 212 VG_STATIC void workshop_scan_thread( void *_args )
 213 {
 214    vg_linear_clear( vg_mem.scratch );
 215
 216    for( u32 i=0; i<global_skateshop.t1_registry_count; i++ ){
 217       struct registry_board *reg = &global_skateshop.registry[i];
 218       reg->state = k_registry_board_state_indexed_absent;
 219    }
 220
 221    /*
 222     * Local disk scan
 223     */
 224    vg_info( "Scanning models/boards/*.mdl\n" );
 225    tinydir_dir dir;
 226    tinydir_open( &dir, "models/boards" );
 227
 228    while( dir.has_next ){
 229       tinydir_file file;
 230       tinydir_readfile( &dir, &file );
 231
 232       if( file.is_reg ){
 233          u32 hash = vg_strdjb2( file.name );
 234
 235          for( u32 i=0; i<global_skateshop.t1_registry_count; i++ ){
 236             struct registry_board *reg = &global_skateshop.registry[i];
 237
 238             if( const_str_eq( hash, file.name, reg->filename ) ){
 239                reg->state = k_registry_board_state_indexed;
 240                goto next_file;
 241             }
 242          }
 243
 244          if( global_skateshop.t1_registry_count == SKATESHOP_REGISTRY_MAX ){
 245             vg_error( "You have too many boards installed!\n" );
 246             break;
 247          }
 248
 249          vg_info( "new listing!: %s\n", file.name );
 250
 251          struct registry_board *reg =
 252             &global_skateshop.registry[global_skateshop.t1_registry_count ++];
 253
 254          reg->cache_ptr = NULL;
 255          vg_strncpy( file.name, reg->filename, 64, k_strncpy_always_add_null );
 256          vg_strncpy( file.name, reg->workshop.title,
 257                      64, k_strncpy_always_add_null );
 258          reg->filename_hash = hash;
 259          reg->workshop_id = 0;
 260          reg->state = k_registry_board_state_indexed;
 261          reg->workshop.author = 0;
 262          strcpy( reg->workshop.author_name, "custom" );
 263       }
 264
 265 next_file: tinydir_next( &dir );
 266    }
 267
 268    tinydir_close(&dir);
 269
 270    /*
 271     * Steam workshop scan
 272     */
 273    vg_info( "Scanning steam workshop for boards\n" );
 274    PublishedFileId_t workshop_ids[ SKATESHOP_REGISTRY_MAX ];
 275    u32 workshop_count = SKATESHOP_REGISTRY_MAX;
 276
 277    vg_async_item *call = vg_async_alloc(
 278                            sizeof(struct async_workshop_installed_files_info));
 279    struct async_workshop_installed_files_info *info = call->payload;
 280    info->buffer = workshop_ids;
 281    info->len = &workshop_count;
 282    vg_async_dispatch( call, async_workshop_get_installed_files );
 283    vg_async_stall();
 284
 285    for( u32 j=0; j<workshop_count; j++ ){
 286       PublishedFileId_t id = workshop_ids[j];
 287
 288       for( u32 i=0; i<global_skateshop.t1_registry_count; i++ ){
 289          struct registry_board *reg = &global_skateshop.registry[i];
 290
 291          if( reg->workshop_id == id ){
 292             reg->state = k_registry_board_state_indexed;
 293             goto next_file_workshop;
 294          }
 295       }
 296
 297       if( global_skateshop.t1_registry_count == SKATESHOP_REGISTRY_MAX ){
 298          vg_error( "You have too many boards installed!\n" );
 299          break;
 300       }
 301
 302       vg_info( "new listing from the steam workshop!: "PRINTF_U64"\n", id );
 303
 304       struct registry_board *reg = &global_skateshop.registry[
 305                                        global_skateshop.t1_registry_count ++ ];
 306
 307       reg->cache_ptr = NULL;
 308       snprintf( reg->filename, 64, PRINTF_U64, id );
 309       reg->filename_hash = vg_strdjb2( reg->filename );
 310       reg->workshop_id = id;
 311       reg->state = k_registry_board_state_indexed;
 312
 313       workshop_file_info_clear( &reg->workshop );
 314       strcpy( reg->workshop.title, "Workshop file" );
 315
 316       /* load the metadata off the disk */
 317       vg_async_item *call =
 318          vg_async_alloc( sizeof(struct async_workshop_filepath_info) );
 319
 320       const char *meta_file = "/board.mdl.inf";
 321       char path[ 1024 ];
 322       struct async_workshop_filepath_info *info = call->payload;
 323       info->buf = path;
 324       info->id = reg->workshop_id;
 325       info->len = vg_list_size(path) - strlen(meta_file)-1;
 326       vg_async_dispatch( call, async_workshop_get_filepath );
 327       vg_async_stall(); /* too bad! */
 328
 329       strcat( path, meta_file );
 330       workshop_load_metadata( path, &reg->workshop );
 331
 332 next_file_workshop:;
 333    }
 334
 335    vg_async_call( workshop_async_reg_update, NULL, 0 );
 336    vg_async_stall();
 337    workshop_visibile_load_loop_thread(NULL);
 338 }
 339
 340 /*
 341  * Asynchronous scan of local disk for items and add them to the registry
 342  */
 343 VG_STATIC void workshop_op_item_scan(void)
 344 {
 345    workshop_begin_op( k_workshop_op_item_scan );
 346    vg_loader_start( workshop_scan_thread, NULL );
 347 }
 348
 349 /*
 350  * Regular stuff
 351  * -----------------------------------------------------------------------------
 352  */
 353
 354 /* we can only keep using a viewslot pointer for multiple frames if we watch it
 355  * using this function */
 356 VG_STATIC void watch_cache_board( struct cache_board *ptr )
 357 {
 358    if( ptr->ref_count >= 32 ){
 359       vg_fatal_error( "dynamic board watch missmatch (limit is 32)\n" );
 360    }
 361
 362    ptr->last_use_time = vg.time;
 363    ptr->ref_count ++;
 364 }
 365
 366 /* after this is called, the calling code only has access to the pointer for the
 367  * duration of the rest of the frame */
 368 VG_STATIC void unwatch_cache_board( struct cache_board *ptr )
 369 {
 370    if( ptr->ref_count == 0 ){
 371       vg_fatal_error( "dynamic board unwatch missmatch (no watchers)\n" );
 372    }
 373
 374    ptr->ref_count --;
 375 }
 376
 377 /*
 378  * Callback handler for persona state changes,
 379  * it sets the author names on the registries
 380  */
 381 VG_STATIC void callback_persona_statechange( CallbackMsg_t *msg )
 382 {
 383    PersonaStateChange_t *info = (PersonaStateChange_t *)msg->m_pubParam;
 384    ISteamFriends *hSteamFriends = SteamAPI_SteamFriends();
 385
 386    if( info->m_nChangeFlags & k_EPersonaChangeName ){
 387       for( u32 i=0; i<global_skateshop.registry_count; i++ ){
 388          struct registry_board *reg = &global_skateshop.registry[i];
 389          if( reg->workshop.author == info->m_ulSteamID ){
 390             const char *name = SteamAPI_ISteamFriends_GetFriendPersonaName(
 391                                     hSteamFriends, info->m_ulSteamID );
 392             str_utf8_collapse( name, reg->workshop.author_name, 32 );
 393          }
 394       }
 395    }
 396 }
 397
 398 /*
 399  * VG event init
 400  */
 401 VG_STATIC void skateshop_init(void)
 402 {
 403    u32 reg_size   = sizeof(struct registry_board)*SKATESHOP_REGISTRY_MAX,
 404        cache_size = sizeof(struct cache_board)*SKATESHOP_BOARD_CACHE_MAX;
 405
 406    global_skateshop.registry = vg_linear_alloc( vg_mem.rtmemory, reg_size );
 407    global_skateshop.registry_count = 0;
 408    global_skateshop.cache = vg_linear_alloc( vg_mem.rtmemory, cache_size );
 409
 410    memset( global_skateshop.cache, 0, cache_size );
 411
 412    for( u32 i=0; i<SKATESHOP_BOARD_CACHE_MAX; i++ ){
 413       struct cache_board *board = &global_skateshop.cache[i];
 414       board->state = k_cache_board_state_none;
 415       board->registry_id = 0xffffffff;
 416       board->last_use_time = -99999.9;
 417       board->ref_count = 0;
 418    }
 419
 420    if( steam_ready ){
 421       steam_register_callback( k_iPersonaStateChange,
 422                                callback_persona_statechange );
 423    }
 424 }
 425
 426 VG_STATIC struct cache_board *skateshop_selected_cache_if_loaded(void)
 427 {
 428    if( global_skateshop.registry_count > 0 ){
 429       u32 reg_id = global_skateshop.selected_registry_id;
 430       struct registry_board *reg = &global_skateshop.registry[ reg_id ];
 431
 432       SDL_AtomicLock( &global_skateshop.sl_cache_access );
 433       if( reg->cache_ptr &&
 434          (reg->cache_ptr->state == k_cache_board_state_loaded ) )
 435       {
 436          SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 437          return reg->cache_ptr;
 438       }
 439       SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 440    }
 441
 442    return NULL;
 443 }
 444
 445 /*
 446  * VG event preupdate
 447  */
 448 VG_STATIC void global_skateshop_preupdate(void)
 449 {
 450    float rate = vg_minf( 1.0f, vg.time_frame_delta * 2.0f );
 451    global_skateshop.factive = vg_lerpf( global_skateshop.factive,
 452                                         global_skateshop.active, rate );
 453
 454    if( !global_skateshop.active ) return;
 455
 456    world_instance *world = get_active_world();
 457
 458    ent_skateshop *shop = global_skateshop.ptr_ent;
 459    ent_camera *ref = mdl_arritm( &world->ent_camera,
 460                                  mdl_entity_id_id(shop->id_camera) );
 461    ent_marker *display = mdl_arritm( &world->ent_marker,
 462                                  mdl_entity_id_id(shop->id_display) );
 463
 464    v3f dir = {0.0f,-1.0f,0.0f};
 465    mdl_transform_vector( &ref->transform, dir, dir );
 466    player_vector_angles( localplayer.cam_override_angles, dir, 1.0f, 0.0f );
 467
 468    v3f lookat;
 469    v3_sub( display->transform.co, localplayer.rb.co, lookat );
 470
 471    q_axis_angle( localplayer.rb.q, (v3f){0.0f,1.0f,0.0f},
 472                  atan2f(lookat[0],lookat[2]) );
 473
 474    v3_copy( ref->transform.co, localplayer.cam_override_pos );
 475    localplayer.cam_override_fov = ref->fov;
 476    localplayer.cam_override_strength = global_skateshop.factive;
 477
 478    gui_helper_action( axis_display_string( k_sraxis_mbrowse_h ), "browse" );
 479    gui_helper_action( button_display_string( k_srbind_mback ), "exit" );
 480
 481    int moved = 0;
 482    struct cache_board *selected_cache = skateshop_selected_cache_if_loaded();
 483
 484    if( selected_cache ){
 485       gui_helper_action( button_display_string( k_srbind_maccept ), "pick" );
 486    }
 487
 488    /*
 489     * Controls
 490     * ----------------------
 491     */
 492
 493    if( global_skateshop.interaction_cooldown > 0.0f ){
 494       global_skateshop.interaction_cooldown -= vg.time_delta;
 495       return;
 496    }
 497
 498    if( button_down( k_srbind_mleft ) ){
 499       if( global_skateshop.selected_registry_id > 0 ){
 500          global_skateshop.selected_registry_id --;
 501          moved = 1;
 502       }
 503    }
 504
 505    if( button_down( k_srbind_mright ) ){
 506       if( global_skateshop.selected_registry_id+1 <
 507                global_skateshop.registry_count )
 508       {
 509          global_skateshop.selected_registry_id ++;
 510          moved = 1;
 511       }
 512    }
 513
 514    if( moved ){
 515       global_skateshop.interaction_cooldown = 0.125f;
 516       return;
 517    }
 518
 519    if( selected_cache && button_down( k_srbind_maccept ) ){
 520       vg_info( "chose board from skateshop (%u)\n",
 521                   global_skateshop.selected_registry_id );
 522
 523       if( localplayer.board_view_slot ){
 524          unwatch_cache_board( localplayer.board_view_slot );
 525       }
 526
 527       localplayer.board_view_slot = selected_cache;
 528       watch_cache_board( localplayer.board_view_slot );
 529
 530       global_skateshop_exit();
 531       return;
 532    }
 533
 534    if( button_down( k_srbind_mback ) ){
 535       global_skateshop_exit();
 536       return;
 537    }
 538 }
 539
 540 /*
 541  * World: render event
 542  */
 543 VG_STATIC void skateshop_render(void)
 544 {
 545    if( !global_skateshop.active ) return;
 546
 547    ent_skateshop *shop = global_skateshop.ptr_ent;
 548    world_instance *world = get_active_world();
 549
 550    u32 slot_count = vg_list_size(global_skateshop.shop_view_slots);
 551
 552    ent_marker *mark_rack = mdl_arritm( &world->ent_marker,
 553                                   mdl_entity_id_id(shop->id_rack)),
 554               *mark_display = mdl_arritm( &world->ent_marker,
 555                                   mdl_entity_id_id(shop->id_display));
 556
 557    int visibility[ SKATESHOP_VIEW_SLOT_MAX ];
 558    SDL_AtomicLock( &global_skateshop.sl_cache_access );
 559    for( u32 i=0; i<SKATESHOP_VIEW_SLOT_MAX; i++ ){
 560       struct shop_view_slot *slot = &global_skateshop.shop_view_slots[i];
 561
 562       visibility[i] = 1;
 563
 564       if( slot->cache_ptr == NULL ) visibility[i] = 0;
 565       else if( slot->cache_ptr->state != k_cache_board_state_loaded )
 566          visibility[i] = 0;
 567    }
 568    SDL_AtomicUnlock( &global_skateshop.sl_cache_access );
 569
 570    /* Render loaded boards in the view slots */
 571    for( u32 i=0; i<slot_count; i++ ){
 572       struct shop_view_slot *slot = &global_skateshop.shop_view_slots[i];
 573       float selected = 0.0f;
 574
 575       if( !visibility[i] ) goto fade_out;
 576
 577       mdl_transform xform;
 578       transform_identity( &xform );
 579
 580       xform.co[0] = -((float)i - ((float)slot_count)*0.5f)*0.45f;
 581       mdl_transform_mul( &mark_rack->transform, &xform, &xform );
 582
 583       if( slot->cache_ptr->registry_id ==
 584           global_skateshop.selected_registry_id ){
 585          selected = 1.0f;
 586       }
 587
 588       float t = slot->view_blend;
 589       v3_lerp( xform.co, mark_display->transform.co, t, xform.co );
 590       q_nlerp( xform.q, mark_display->transform.q, t, xform.q );
 591       v3_lerp( xform.s, mark_display->transform.s, t, xform.s );
 592
 593       m4x3f mmdl;
 594       mdl_transform_m4x3( &xform, mmdl );
 595       render_board( &main_camera, world, &slot->cache_ptr->board, mmdl,
 596                     k_board_shader_entity );
 597
 598 fade_out:;
 599       float rate = 5.0f*vg.time_delta;
 600       slot->view_blend = vg_lerpf( slot->view_blend, selected, rate );
 601    }
 602
 603    ent_marker *mark_info = mdl_arritm( &world->ent_marker,
 604                                         mdl_entity_id_id(shop->id_info));
 605    m4x3f mtext, mrack;
 606    mdl_transform_m4x3( &mark_info->transform, mtext );
 607    mdl_transform_m4x3( &mark_rack->transform, mrack );
 608
 609 #if 0
 610    const char *text_title = "Fish - Title";
 611    const char *text_author = "by Shaniqua";
 612 #endif
 613
 614    m4x3f mlocal, mmdl;
 615    m4x3_identity( mlocal );
 616
 617    float scale = 0.2f,
 618          thickness = 0.03f;
 619
 620    font3d_bind( &world_global.font, &main_camera );
 621    shader_model_font_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 622
 623    /* Selection counter
 624     * ------------------------------------------------------------------ */
 625    m3x3_zero( mlocal );
 626    v3_zero( mlocal[3] );
 627    mlocal[0][0] = -scale*2.0f;
 628    mlocal[1][2] = -scale*2.0f;
 629    mlocal[2][1] = -thickness;
 630    mlocal[3][2] = -0.7f;
 631    m4x3_mul( mrack, mlocal, mmdl );
 632
 633    if( global_skateshop.registry_count == 0 ){
 634       font3d_simple_draw( &world_global.font, 0,
 635                           "Nothing installed", &main_camera, mmdl );
 636    }
 637    else{
 638       char buf[16];
 639       int i=0;
 640       i+=highscore_intl( buf+i, global_skateshop.selected_registry_id+1, 3 );
 641       buf[i++] = '/';
 642       i+=highscore_intl( buf+i, global_skateshop.registry_count, 3 );
 643       buf[i++] = '\0';
 644
 645       font3d_simple_draw( &world_global.font, 0, buf, &main_camera, mmdl );
 646    }
 647
 648    struct cache_board *cache_ptr = skateshop_selected_cache_if_loaded();
 649    if( !cache_ptr ) return;
 650
 651    struct registry_board *reg =
 652       &global_skateshop.registry[cache_ptr->registry_id];
 653    struct workshop_file_info *info = &reg->workshop;
 654
 655    /* Skin title
 656     * ----------------------------------------------------------------- */
 657    m3x3_zero( mlocal );
 658    m3x3_setdiagonalv3( mlocal, (v3f){ scale, scale, thickness } );
 659    mlocal[3][0] = -font3d_string_width( &world_global.font, 0, info->title );
 660    mlocal[3][0] *= scale*0.5f;
 661    mlocal[3][1] = 0.1f;
 662    m4x3_mul( mtext, mlocal, mmdl );
 663    font3d_simple_draw( &world_global.font, 0, info->title, &main_camera, mmdl );
 664
 665    /* Author name
 666     * ----------------------------------------------------------------- */
 667    scale *= 0.4f;
 668    m3x3_setdiagonalv3( mlocal, (v3f){ scale, scale, thickness } );
 669    mlocal[3][0] = -font3d_string_width( &world_global.font, 0,
 670                                         info->author_name );
 671    mlocal[3][0] *= scale*0.5f;
 672    mlocal[3][1] = 0.0f;
 673    m4x3_mul( mtext, mlocal, mmdl );
 674    font3d_simple_draw( &world_global.font, 0,
 675                        info->author_name, &main_camera, mmdl );
 676 }
 677
 678 /*
 679  * Entity logic: entrance event
 680  */
 681 VG_STATIC void ent_skateshop_call( world_instance *world, ent_call *call )
 682 {
 683    u32 index = mdl_entity_id_id( call->id );
 684    ent_skateshop *shop = mdl_arritm( &world->ent_skateshop, index );
 685    vg_info( "skateshop_call\n" );
 686
 687    if( call->function == k_ent_function_trigger ){
 688       if( localplayer.subsystem != k_player_subsystem_walk ){
 689          return;
 690       }
 691
 692       vg_info( "Entering skateshop\n" );
 693
 694       localplayer.immobile = 1;
 695       global_skateshop.active = 1;
 696
 697       v3_zero( localplayer.rb.v );
 698       v3_zero( localplayer.rb.w );
 699       localplayer._walk.move_speed = 0.0f;
 700       global_skateshop.ptr_ent = shop;
 701
 702       skateshop_update_viewpage();
 703       workshop_op_item_scan();
 704    }
 705 }
 706
 707 /*
 708  * Entity logic: exit event
 709  */
 710 VG_STATIC void global_skateshop_exit(void)
 711 {
 712    vg_info( "exit skateshop\n" );
 713    localplayer.immobile = 0;
 714    global_skateshop.active = 0;
 715    srinput.ignore_input_frames = 2;
 716 }
 717
 718 #endif /* ENT_SKATESHOP_C */