player_remote.c

   1 #include "player_remote.h"
   2 #include "skeleton.h"
   3 #include "player_render.h"
   4 #include "network_common.h"
   5 #include "addon.h"
   6 #include "font.h"
   7 #include "gui.h"
   8
   9 static i32 k_show_own_name = 0;
  10
  11 static void player_remote_clear( struct network_player *player ){
  12    addon_cache_unwatch( k_addon_type_player, player->playermodel_view_slot );
  13    addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
  14
  15    memset( player, 0, sizeof(*player) );
  16    strcpy( player->username, "unknown" );
  17    player->subsystem = k_player_subsystem_invalid;
  18 }
  19
  20 /*
  21  * re-attatches addon_reg pointers on the remote client if we have the same
  22  * world loaded.
  23  */
  24 static void relink_remote_player_worlds( u32 client_id ){
  25    struct network_player *player = &netplayers.list[client_id];
  26
  27    addon_alias q[2];
  28    addon_uid_to_alias( player->items[k_netmsg_playeritem_world0], &q[0] );
  29    addon_uid_to_alias( player->items[k_netmsg_playeritem_world1], &q[1] );
  30
  31    /*
  32     * currently in 10.23, the hub world will always be the same.
  33     * this might but probably wont change in the future
  34     */
  35    for( u32 i=0; i<k_world_max; i++ ){
  36       addon_reg *reg = world_static.instance_addons[ i ];
  37
  38       player->world_match[i] = 0;
  39
  40       if( reg ){
  41          if( addon_alias_eq( &q[i], &world_static.instance_addons[i]->alias ) )
  42             player->world_match[i] = 1;
  43       }
  44    }
  45 }
  46
  47 /*
  48  * re-attatches addon_reg pointers on the remote client if we have the mod
  49  * installed locally.
  50  *
  51  * Run if local worlds change
  52  */
  53 static void relink_all_remote_player_worlds(void){
  54    for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
  55       struct network_player *player = &netplayers.list[i];
  56       if( player->active )
  57          relink_remote_player_worlds(i);
  58    }
  59 }
  60
  61 static void player_remote_rx_200_300( SteamNetworkingMessage_t *msg ){
  62    netmsg_blank *tmp = msg->m_pData;
  63
  64    if( tmp->inetmsg_id == k_inetmsg_playerjoin ){
  65       netmsg_playerjoin *playerjoin = msg->m_pData;
  66       if( !packet_minsize( msg, sizeof(*playerjoin) )) return;
  67
  68       if( playerjoin->index < vg_list_size(netplayers.list) ){
  69          struct network_player *player = &netplayers.list[ playerjoin->index ];
  70          player_remote_clear( player );
  71          player->active = 1;
  72
  73          /* TODO: interpret the uids */
  74          player->board_view_slot = 0;
  75          player->playermodel_view_slot = 0;
  76
  77          struct interp_buffer *buf = &netplayers.interp_data[playerjoin->index];
  78          buf->t = -99999999.9;
  79          for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
  80             buf->frames[i].active = 0;
  81          }
  82
  83          vg_info( "#%u joined\n", playerjoin->index );
  84       }
  85       else {
  86          vg_error( "inetmsg_playerjoin: player index out of range\n" );
  87       }
  88    }
  89    else if( tmp->inetmsg_id == k_inetmsg_playerleave ){
  90       netmsg_playerleave *playerleave = msg->m_pData;
  91       if( !packet_minsize( msg, sizeof(*playerleave) )) return;
  92
  93       if( playerleave->index < vg_list_size(netplayers.list) ){
  94          struct network_player *player = &netplayers.list[ playerleave->index ];
  95          player_remote_clear( player );
  96          player->active = 0;
  97          vg_info( "player leave (%d)\n", playerleave->index );
  98       }
  99       else {
 100          vg_error( "inetmsg_playerleave: player index out of range\n" );
 101       }
 102    }
 103    else if( tmp->inetmsg_id == k_inetmsg_playerusername ){
 104       netmsg_playerusername *update = msg->m_pData;
 105       if( !packet_minsize( msg, sizeof(*update) )) return;
 106
 107       if( update->index < vg_list_size(netplayers.list) ){
 108          struct network_player *player = &netplayers.list[ update->index ];
 109
 110          network_msgstring( update->name, msg->m_cbSize, sizeof(*update),
 111                             player->username, sizeof(player->username) );
 112
 113          vg_info( "#%u changed username to: %s\n",
 114                   update->index, player->username );
 115       }
 116       else {
 117          vg_error( "inetmsg_playerleave: player index out of range\n" );
 118       }
 119    }
 120    else if( tmp->inetmsg_id == k_inetmsg_playerframe ){
 121       u32 datasize = msg->m_cbSize - sizeof(netmsg_playerframe);
 122
 123       if( datasize > sizeof(union interp_animdata) ){
 124          vg_error( "Player frame data exceeds animdata size\n" );
 125          return;
 126       }
 127
 128       netmsg_playerframe *frame = msg->m_pData;
 129       if( frame->client >= vg_list_size(netplayers.list) ){
 130          vg_error( "inetmsg_playerframe: player index out of range\n" );
 131          return;
 132       }
 133
 134       if( frame->subsystem >= k_player_subsystem_max ){
 135          vg_error( "inetmsg_playerframe: subsystem out of range\n" );
 136          return;
 137       }
 138
 139       struct interp_buffer *ib = &netplayers.interp_data[ frame->client ];
 140       struct interp_frame *dest = NULL;
 141
 142       f64 min_time = INFINITY;
 143       for( u32 i=0; i<vg_list_size(ib->frames); i++ ){
 144          struct interp_frame *ifr = &ib->frames[i];
 145
 146          if( !ifr->active ){
 147             dest = ifr;
 148             break;
 149          }
 150
 151          if( ifr->timestamp < min_time ){
 152             min_time = ifr->timestamp;
 153             dest = ifr;
 154          }
 155       }
 156
 157       dest->active = 1;
 158       dest->subsystem = frame->subsystem;
 159       dest->instance_id = frame->instance_id;
 160
 161       bitpack_ctx ctx = {
 162          .mode = k_bitpack_decompress,
 163          .buffer = frame->animdata,
 164          .buffer_len = datasize,
 165          .bytes = 0,
 166       };
 167
 168
 169       /* sfx
 170        * -------------------------------------------------------------*/
 171
 172       for( u32 i=0; i<frame->sound_effects; i ++ ){
 173          struct net_sfx sfx;
 174          net_sfx_exchange( &ctx, &sfx );
 175
 176          f64 t = (frame->timestamp - NETWORK_FRAMERATE) +
 177                  (sfx.subframe*NETWORK_FRAMERATE);
 178
 179          f32 remaining = t - ib->t;
 180
 181          if( remaining <= 0.0f )
 182             net_sfx_play( &sfx );
 183          else{
 184             struct net_sfx *dst = NULL;
 185
 186             for( u32 j=0; j<NETWORK_SFX_QUEUE_LENGTH; j ++ ){
 187                struct net_sfx *sj = &netplayers.sfx_queue[j];
 188                if( sj->system == k_player_subsystem_invalid ){
 189                   dst = sj;
 190                   break;
 191                }
 192
 193                if( sj->priority < sfx.priority )
 194                   dst = sj;
 195             }
 196
 197             *dst = sfx;
 198             dst->subframe = remaining;
 199          }
 200       }
 201
 202       /* animation
 203        * -------------------------------------------------------------*/
 204
 205       dest->timestamp = frame->timestamp;
 206       dest->boundary_hash = frame->boundary_hash;
 207
 208       struct network_player *player = &netplayers.list[ frame->client ];
 209       struct player_subsystem_interface *sys =
 210          player_subsystems[ frame->subsystem ];
 211
 212       if( sys->network_animator_exchange ){
 213          memset( &dest->data, 0, sys->animator_size );
 214          sys->network_animator_exchange( &ctx, &dest->data );
 215       }
 216       else {
 217          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 218       }
 219
 220       player->subsystem = frame->subsystem;
 221       player->down_bytes += msg->m_cbSize;
 222    }
 223    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 224       netmsg_playeritem *item = msg->m_pData;
 225       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 226
 227       if( item->client >= vg_list_size(netplayers.list) ){
 228          vg_error( "inetmsg_playerframe: player index out of range\n" );
 229          return;
 230       }
 231
 232       if( item->type_index >= k_netmsg_playeritem_max ){
 233          vg_warn( "Client #%d invalid equip type %u\n",
 234                   (i32)item->client, (u32)item->type_index );
 235          return;
 236       }
 237
 238       vg_info( "Client #%d equiped: [%s] %s\n",
 239                item->client,
 240                (const char *[]){[k_netmsg_playeritem_board]="board",
 241                                 [k_netmsg_playeritem_player]="player",
 242                                 [k_netmsg_playeritem_world0]="world0",
 243                                 [k_netmsg_playeritem_world1]="world1"
 244                }[item->type_index], item->uid );
 245
 246       struct network_player *player = &netplayers.list[ item->client ];
 247       char *uid = player->items[ item->type_index ];
 248
 249       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 250                          uid, ADDON_UID_MAX );
 251
 252       if( item->type_index == k_netmsg_playeritem_board ){
 253          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 254          player->board_view_slot =
 255             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 256       }
 257       else if( item->type_index == k_netmsg_playeritem_player ){
 258          addon_cache_unwatch( k_addon_type_player,
 259                               player->playermodel_view_slot );
 260          player->playermodel_view_slot =
 261             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 262       }
 263       else if( (item->type_index == k_netmsg_playeritem_world0) ||
 264                (item->type_index == k_netmsg_playeritem_world1) ){
 265          relink_remote_player_worlds( item->client );
 266       }
 267    }
 268 }
 269
 270 /*
 271  * Write localplayer pose to network
 272  */
 273 static void remote_player_send_playerframe(void){
 274    u8 sysid = localplayer.subsystem;
 275    if( sysid >= k_player_subsystem_max ) return;
 276
 277    struct player_subsystem_interface *sys = player_subsystems[sysid];
 278
 279    if( sys->animator_size ){
 280       u32 max_buf_size = sys->animator_size + sizeof(localplayer.sfx_buffer),
 281           base_size = sizeof(struct netmsg_playerframe),
 282           max_packet = base_size + max_buf_size;
 283
 284       netmsg_playerframe *frame = alloca( max_packet );
 285       frame->inetmsg_id = k_inetmsg_playerframe;
 286       frame->client = 0xff;
 287       frame->subsystem = localplayer.subsystem;
 288       frame->instance_id = world_static.active_instance;
 289
 290       bitpack_ctx ctx = {
 291          .mode = k_bitpack_compress,
 292          .buffer = frame->animdata,
 293          .buffer_len = max_buf_size,
 294          .bytes = 0
 295       };
 296
 297       /* sfx
 298        * ---------------------------------------------*/
 299
 300       frame->sound_effects = localplayer.sfx_buffer_count;
 301       for( u32 i=0; i<localplayer.sfx_buffer_count; i ++ )
 302          net_sfx_exchange( &ctx, &localplayer.sfx_buffer[i] );
 303
 304       /* animation
 305        * -----------------------------------------------*/
 306
 307       frame->timestamp = vg.time_real;
 308       frame->boundary_hash = localplayer.boundary_hash;
 309       if( sys->network_animator_exchange )
 310          sys->network_animator_exchange( &ctx, sys->animator_data );
 311       else
 312          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 313
 314       u32 wire_size = base_size + ctx.bytes;
 315       netplayers.up_bytes += wire_size;
 316
 317       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 318             hSteamNetworkingSockets, network_client.remote,
 319             frame, wire_size,
 320             k_nSteamNetworkingSend_Unreliable, NULL );
 321    }
 322 }
 323
 324 /*
 325  * Updates network traffic stats
 326  */
 327 static void remote_player_debug_update(void){
 328    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 329       netplayers.last_data_measurement = vg.time_real;
 330       u32 total_down = 0;
 331
 332       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 333          struct network_player *player = &netplayers.list[i];
 334          if( player->active ){
 335             total_down += player->down_bytes;
 336             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 337             player->down_bytes = 0;
 338          }
 339       }
 340
 341       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 342       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 343       netplayers.up_bytes = 0;
 344    }
 345 }
 346
 347 static void remote_player_nametag( m4x4f pv, v3f co, const char *name ){
 348    return;
 349    vg_ui.font = &vg_ui_font_big;
 350    v4f wpos;
 351    v3_copy( co, wpos );
 352    wpos[1] += 2.0f;
 353    wpos[3] = 1.0f;
 354
 355    m4x4_mulv( pv, wpos, wpos );
 356
 357    if( wpos[3] > 0.0f ){
 358       v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 359       v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 360
 361       ui_rect wr;
 362       wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 363       wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 364                         -32000.0f,32000.0f);
 365       wr[2] = 300;
 366       wr[3] = 32;
 367       ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 368       ui_text( wr, name, 1, k_ui_align_middle_center, 0 );
 369    }
 370    vg_ui.font = &vg_ui_font_small;
 371 }
 372
 373 /*
 374  * Debugging information
 375  */
 376 static void remote_player_network_imgui( m4x4f pv ){
 377    if( !network_client.network_info )
 378       return;
 379
 380    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 381    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 382
 383    char buf[512];
 384    const char *netstatus = "PROGRAMMING ERROR";
 385
 386    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 387    states[] = {
 388            { k_ESteamNetworkingConnectionState_None, "None" },
 389            { k_ESteamNetworkingConnectionState_Connecting,
 390          (const char *[]){"Connecting -",
 391                           "Connecting /",
 392                           "Connecting |",
 393                           "Connecting \\",
 394                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 395            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 396            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 397            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 398            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 399          "Problem Detected Locally" },
 400            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 401            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 402            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 403    };
 404    for( u32 i=0; i<vg_list_size(states); i ++ ){
 405       if( states[i].state == network_client.state ){
 406          netstatus = states[i].str;
 407          break;
 408       }
 409    }
 410    snprintf( buf, 512, "Network: %s", netstatus );
 411    ui_info( panel, buf );
 412    ui_info( panel, "---------------------" );
 413
 414    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 415       ui_info( panel, "#-1: localplayer" );
 416
 417       snprintf( buf, 512, "U%.3f/D%.3fkbs",
 418                 netplayers.up_kbs, netplayers.down_kbs );
 419       ui_info( panel, buf );
 420
 421       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 422          struct network_player *player = &netplayers.list[i];
 423          if( player->active ){
 424             const char *sysname = "invalid";
 425
 426             if( player->subsystem < k_player_subsystem_max ){
 427                sysname = player_subsystems[ player->subsystem ]->name;
 428             }
 429             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 430                       i, player->username, sysname, player->down_kbs );
 431             ui_info( panel, buf );
 432
 433             struct player_avatar *av = localplayer.playeravatar;
 434             remote_player_nametag(
 435                   pv,
 436                   netplayers.final_mtx[av->sk.bone_count*i][3],
 437                   player->username );
 438          }
 439       }
 440    }
 441    else {
 442       ui_info( panel, "offline" );
 443    }
 444
 445    struct player_avatar *av = localplayer.playeravatar;
 446    remote_player_nametag(
 447          pv,
 448          localplayer.final_mtx[0][3],
 449          "Localplayer" );
 450 }
 451
 452 /*
 453  * write the remote players final_mtx
 454  */
 455 static void pose_remote_player( u32 index,
 456                                 struct interp_frame *f0,
 457                                 struct interp_frame *f1 ){
 458
 459    struct network_player *player = &netplayers.list[ index ];
 460
 461    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 462    struct player_avatar *av = localplayer.playeravatar;
 463    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 464    struct player_board_pose *board_pose = &netplayers.board_poses[index];
 465
 466    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 467                                      *sys1 = NULL;
 468
 469    player_pose pose0, pose1, posed;
 470    sys0->pose( &f0->data, &pose0 );
 471
 472    u8 instance_id = 0;
 473
 474    if( f1 ){
 475       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 476           t = vg_clampf( t, 0.0f, 1.0f );
 477
 478       sys1 = player_subsystems[f1->subsystem];
 479       sys1->pose( &f1->data, &pose1 );
 480
 481       u16 bounds = f0->boundary_hash^f1->boundary_hash;
 482
 483       if( bounds & NETMSG_BOUNDARY_BIT )
 484          t = 1.0f;
 485
 486       if( bounds & NETMSG_GATE_BOUNDARY_BIT ){
 487          /* TODO: Extra work retransforming the root_co, instance_id.. etc */
 488          t = 1.0f;
 489       }
 490
 491       instance_id = f1->instance_id;
 492
 493       lerp_player_pose( &pose0, &pose1, t, &posed );
 494       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 495       memcpy( board_pose, &posed.board, sizeof(*board_pose) );
 496    }
 497    else {
 498       instance_id = f0->instance_id;
 499
 500       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 501       memcpy( board_pose, &pose0.board, sizeof(*board_pose) );
 502    }
 503
 504    if( player->world_match[ instance_id ] )
 505       player->active_world = &world_static.instances[ instance_id ];
 506 }
 507
 508 /*
 509  * animate remote player and store in final_mtx
 510  */
 511 static void animate_remote_player( u32 index ){
 512
 513    /*
 514     * Trys to keep the cursor inside the buffer
 515     */
 516    f64 min_time = -999999999.9,
 517        max_time =  999999999.9,
 518        abs_max_time = -999999999.9;
 519
 520    struct interp_frame *minframe = NULL,
 521                        *maxframe = NULL,
 522                        *abs_max_frame = NULL;
 523
 524    struct interp_buffer *buf = &netplayers.interp_data[index];
 525    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 526       struct interp_frame *ifr = &buf->frames[i];
 527
 528       if( ifr->active ){
 529          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 530             min_time = ifr->timestamp;
 531             minframe = ifr;
 532          }
 533
 534          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 535             max_time = ifr->timestamp;
 536             maxframe = ifr;
 537          }
 538
 539          if( ifr->timestamp > abs_max_time ){
 540             abs_max_time = ifr->timestamp;
 541             abs_max_frame = ifr;
 542          }
 543       }
 544    }
 545
 546    struct network_player *player = &netplayers.list[ index ];
 547    player->active_world = NULL;
 548
 549    if( minframe && maxframe ){
 550       pose_remote_player( index, minframe, maxframe );
 551       buf->t += vg.time_frame_delta;
 552    }
 553    else {
 554       buf->t = abs_max_time - 0.25;
 555
 556       if( abs_max_frame )
 557          pose_remote_player( index, abs_max_frame, NULL );
 558       else
 559          return;
 560    }
 561 }
 562
 563 /*
 564  * Update full final_mtx for all remote players
 565  */
 566 static void animate_remote_players(void){
 567    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 568       struct network_player *player = &netplayers.list[i];
 569       if( !player->active ) continue;
 570
 571       animate_remote_player( i );
 572    }
 573 }
 574
 575 /*
 576  * Draw remote players
 577  */
 578 static void render_remote_players( world_instance *world, camera *cam ){
 579    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 580
 581    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 582       struct network_player *player = &netplayers.list[i];
 583       if( !player->active ) continue;
 584       if( player->active_world != world ) continue;
 585
 586       struct player_avatar *av = localplayer.playeravatar;
 587       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 588
 589       struct player_model *model =
 590          addon_cache_item_if_loaded( k_addon_type_player,
 591                                      player->playermodel_view_slot );
 592
 593       if( !model ) model = &localplayer.fallback_model;
 594       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 595
 596       struct player_board *board =
 597          addon_cache_item_if_loaded( k_addon_type_board,
 598                                      player->board_view_slot );
 599       render_board( cam, world, board,
 600                      final_mtx[localplayer.playeravatar->id_board],
 601                      &netplayers.board_poses[ i ],
 602                      k_board_shader_player );
 603    }
 604
 605    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 606 }
 607
 608 static void render_remote_player_nametag( v3f co, const char *name ){
 609    m4x3f mlocal;
 610    m4x3_identity( mlocal );
 611    mlocal[3][0] -= font3d_string_width( 2, name ) * 0.5f;
 612
 613    m4x3f mmdl;
 614    m3x3_identity( mmdl );
 615    for( int i=0; i<3; i++ )
 616       v3_muls( skaterift.cam.mtx.v[i], 0.2f, mmdl[i] );
 617    m3x3_transpose( mmdl, mmdl );
 618    v3_add( co, (v3f){0.0f,2.0f,0.0f}, mmdl[3] );
 619
 620    m4x3_mul( mmdl, mlocal, mmdl );
 621    font3d_simple_draw( 2, name, &skaterift.cam, mmdl );
 622 }
 623
 624 static void render_remote_players_tags( world_instance *world, camera *cam ){
 625    glEnable(GL_BLEND);
 626    glEnable(GL_DEPTH_TEST);
 627    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 628    glBlendEquation(GL_FUNC_ADD);
 629
 630    font3d_bind( &gui.font, k_font_shader_default, 1, NULL, &skaterift.cam );
 631    font3d_setcolour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 632
 633    if( k_show_own_name ){
 634       render_remote_player_nametag(
 635             localplayer.final_mtx[0][3],
 636             steam_username_at_startup );
 637    }
 638
 639    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 640       struct network_player *player = &netplayers.list[i];
 641       if( !player->active ) continue;
 642       if( player->active_world != world ) continue;
 643
 644       struct player_avatar *av = localplayer.playeravatar;
 645       render_remote_player_nametag(
 646             netplayers.final_mtx[av->sk.bone_count*i][3],
 647             player->username );
 648    }
 649
 650    glDisable(GL_BLEND);
 651 }
 652
 653 static void remote_players_init(void){
 654    vg_console_reg_var( "k_show_own_name", &k_show_own_name,
 655                        k_var_dtype_i32, 0 );
 656    for( u32 i=0; i<NETWORK_SFX_QUEUE_LENGTH; i ++ ){
 657       netplayers.sfx_queue[i].system = k_player_subsystem_invalid;
 658    }
 659 }
 660
 661 static void remote_sfx_pre_update(void){
 662    for( u32 i=0; i<NETWORK_SFX_QUEUE_LENGTH; i ++ ){
 663       struct net_sfx *si = &netplayers.sfx_queue[i];
 664
 665       if( si->system != k_player_subsystem_invalid ){
 666          si->subframe -= vg.time_frame_delta;
 667          if( si->subframe <= 0.0f ){
 668             net_sfx_play( si );
 669             si->system = k_player_subsystem_invalid;
 670          }
 671       }
 672    }
 673 }