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
   7 static void player_remote_clear( struct network_player *player ){
   8    addon_cache_unwatch( k_addon_type_player, player->playermodel_view_slot );
   9    addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
  10
  11    memset( player, 0, sizeof(*player) );
  12    strcpy( player->username, "unknown" );
  13    player->subsystem = k_player_subsystem_invalid;
  14 }
  15
  16 /*
  17  * re-attatches addon_reg pointers on the remote client if we have the same
  18  * world loaded.
  19  */
  20 static void relink_remote_player_worlds( u32 client_id ){
  21    struct network_player *player = &netplayers.list[client_id];
  22
  23    player->hub_match = 0;
  24    player->client_match = 0;
  25
  26    addon_alias q0,q1;
  27    addon_uid_to_alias( player->items[k_netmsg_playeritem_world0], &q0 );
  28    addon_uid_to_alias( player->items[k_netmsg_playeritem_world1], &q1 );
  29
  30    /*
  31     * currently in 10.23, the hub world will always be the same.
  32     * this might but probably wont change in the future
  33     */
  34    if( world_static.addon_hub )
  35       if( addon_alias_eq( &q0, &world_static.addon_hub->alias ) )
  36          player->hub_match = 1;
  37
  38    if( world_static.addon_client )
  39       if( addon_alias_eq( &q1, &world_static.addon_client->alias ) )
  40          player->client_match = 1;
  41 }
  42
  43 /*
  44  * re-attatches addon_reg pointers on the remote client if we have the mod
  45  * installed locally.
  46  *
  47  * Run if local worlds change
  48  */
  49 static void relink_all_remote_player_worlds(void){
  50    for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
  51       struct network_player *player = &netplayers.list[i];
  52       if( player->active )
  53          relink_remote_player_worlds(i);
  54    }
  55 }
  56
  57 static void player_remote_rx_200_300( SteamNetworkingMessage_t *msg ){
  58    netmsg_blank *tmp = msg->m_pData;
  59
  60    if( tmp->inetmsg_id == k_inetmsg_playerjoin ){
  61       netmsg_playerjoin *playerjoin = msg->m_pData;
  62       if( !packet_minsize( msg, sizeof(*playerjoin) )) return;
  63
  64       if( playerjoin->index < vg_list_size(netplayers.list) ){
  65          struct network_player *player = &netplayers.list[ playerjoin->index ];
  66          player_remote_clear( player );
  67          player->active = 1;
  68
  69          /* TODO: interpret the uids */
  70          player->board_view_slot = 0;
  71          player->playermodel_view_slot = 0;
  72
  73          struct interp_buffer *buf = &netplayers.interp_data[playerjoin->index];
  74          buf->t = -99999999.9;
  75          for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
  76             buf->frames[i].active = 0;
  77          }
  78
  79          vg_info( "#%u joined\n", playerjoin->index );
  80       }
  81       else {
  82          vg_error( "inetmsg_playerjoin: player index out of range\n" );
  83       }
  84    }
  85    else if( tmp->inetmsg_id == k_inetmsg_playerleave ){
  86       netmsg_playerleave *playerleave = msg->m_pData;
  87       if( !packet_minsize( msg, sizeof(*playerleave) )) return;
  88
  89       if( playerleave->index < vg_list_size(netplayers.list) ){
  90          struct network_player *player = &netplayers.list[ playerleave->index ];
  91          player_remote_clear( player );
  92          player->active = 0;
  93          vg_info( "player leave (%d)\n", playerleave->index );
  94       }
  95       else {
  96          vg_error( "inetmsg_playerleave: player index out of range\n" );
  97       }
  98    }
  99    else if( tmp->inetmsg_id == k_inetmsg_playerusername ){
 100       netmsg_playerusername *update = msg->m_pData;
 101       if( !packet_minsize( msg, sizeof(*update) )) return;
 102
 103       if( update->index < vg_list_size(netplayers.list) ){
 104          struct network_player *player = &netplayers.list[ update->index ];
 105
 106          network_msgstring( update->name, msg->m_cbSize, sizeof(*update),
 107                             player->username, sizeof(player->username) );
 108
 109          vg_info( "#%u changed username to: %s\n",
 110                   update->index, player->username );
 111       }
 112       else {
 113          vg_error( "inetmsg_playerleave: player index out of range\n" );
 114       }
 115    }
 116    else if( tmp->inetmsg_id == k_inetmsg_playerframe ){
 117       u32 datasize = msg->m_cbSize - sizeof(netmsg_playerframe);
 118
 119       if( datasize > sizeof(union interp_animdata) ){
 120          vg_error( "Player frame data exceeds animdata size\n" );
 121          return;
 122       }
 123
 124       netmsg_playerframe *frame = msg->m_pData;
 125       if( frame->client >= vg_list_size(netplayers.list) ){
 126          vg_error( "inetmsg_playerframe: player index out of range\n" );
 127          return;
 128       }
 129
 130       if( frame->subsystem >= k_player_subsystem_max ){
 131          vg_error( "inetmsg_playerframe: subsystem out of range\n" );
 132          return;
 133       }
 134
 135       struct interp_buffer *ib = &netplayers.interp_data[ frame->client ];
 136       struct interp_frame *dest = NULL;
 137
 138       f64 min_time = INFINITY;
 139       for( u32 i=0; i<vg_list_size(ib->frames); i++ ){
 140          struct interp_frame *ifr = &ib->frames[i];
 141
 142          if( !ifr->active ){
 143             dest = ifr;
 144             break;
 145          }
 146
 147          if( ifr->timestamp < min_time ){
 148             min_time = ifr->timestamp;
 149             dest = ifr;
 150          }
 151       }
 152
 153       dest->active = 1;
 154       dest->subsystem = frame->subsystem;
 155       dest->instance_id = frame->instance_id;
 156
 157       bitpack_ctx ctx = {
 158          .mode = k_bitpack_decompress,
 159          .buffer = frame->animdata,
 160          .buffer_len = datasize,
 161          .bytes = 0,
 162       };
 163
 164
 165       /* sfx
 166        * -------------------------------------------------------------*/
 167
 168       for( u32 i=0; i<frame->sound_effects; i ++ ){
 169          struct net_sfx sfx;
 170          net_sfx_exchange( &ctx, &sfx );
 171
 172          f64 t = (frame->timestamp - NETWORK_FRAMERATE) +
 173                  (sfx.subframe*NETWORK_FRAMERATE);
 174
 175          f32 remaining = t - ib->t;
 176
 177          if( remaining <= 0.0f )
 178             net_sfx_play( &sfx );
 179          else{
 180             struct net_sfx *dst = NULL;
 181
 182             for( u32 j=0; j<NETWORK_SFX_QUEUE_LENGTH; j ++ ){
 183                struct net_sfx *sj = &netplayers.sfx_queue[j];
 184                if( sj->system == k_player_subsystem_invalid ){
 185                   dst = sj;
 186                   break;
 187                }
 188
 189                if( sj->priority < sfx.priority )
 190                   dst = sj;
 191             }
 192
 193             *dst = sfx;
 194             dst->subframe = remaining;
 195          }
 196       }
 197
 198       /* animation
 199        * -------------------------------------------------------------*/
 200
 201       dest->timestamp = frame->timestamp;
 202       dest->boundary_hash = frame->boundary_hash;
 203
 204       struct network_player *player = &netplayers.list[ frame->client ];
 205       struct player_subsystem_interface *sys =
 206          player_subsystems[ frame->subsystem ];
 207
 208       if( sys->network_animator_exchange ){
 209          memset( &dest->data, 0, sys->animator_size );
 210          sys->network_animator_exchange( &ctx, &dest->data );
 211       }
 212       else {
 213          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 214       }
 215
 216       player->subsystem = frame->subsystem;
 217       player->down_bytes += msg->m_cbSize;
 218    }
 219    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 220       netmsg_playeritem *item = msg->m_pData;
 221       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 222
 223       if( item->client >= vg_list_size(netplayers.list) ){
 224          vg_error( "inetmsg_playerframe: player index out of range\n" );
 225          return;
 226       }
 227
 228       if( item->type_index >= k_netmsg_playeritem_max ){
 229          vg_warn( "Client #%d invalid equip type %u\n",
 230                   (i32)item->client, (u32)item->type_index );
 231          return;
 232       }
 233
 234       vg_info( "Client #%d equiped: [%s] %s\n",
 235                item->client,
 236                (const char *[]){[k_netmsg_playeritem_board]="board",
 237                                 [k_netmsg_playeritem_player]="player",
 238                                 [k_netmsg_playeritem_world0]="world0",
 239                                 [k_netmsg_playeritem_world1]="world1"
 240                }[item->type_index], item->uid );
 241
 242       struct network_player *player = &netplayers.list[ item->client ];
 243       char *uid = player->items[ item->type_index ];
 244
 245       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 246                          uid, ADDON_UID_MAX );
 247
 248       if( item->type_index == k_netmsg_playeritem_board ){
 249          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 250          player->board_view_slot =
 251             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 252       }
 253       else if( item->type_index == k_netmsg_playeritem_player ){
 254          addon_cache_unwatch( k_addon_type_player,
 255                               player->playermodel_view_slot );
 256          player->playermodel_view_slot =
 257             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 258       }
 259       else if( (item->type_index == k_netmsg_playeritem_world0) ||
 260                (item->type_index == k_netmsg_playeritem_world1) ){
 261          relink_remote_player_worlds( item->client );
 262       }
 263    }
 264 }
 265
 266 /*
 267  * Write localplayer pose to network
 268  */
 269 static void remote_player_send_playerframe(void){
 270    u8 sysid = localplayer.subsystem;
 271    if( sysid >= k_player_subsystem_max ) return;
 272
 273    struct player_subsystem_interface *sys = player_subsystems[sysid];
 274
 275    if( sys->animator_size ){
 276       u32 max_buf_size = sys->animator_size + sizeof(localplayer.sfx_buffer),
 277           base_size = sizeof(struct netmsg_playerframe),
 278           max_packet = base_size + max_buf_size;
 279
 280       netmsg_playerframe *frame = alloca( max_packet );
 281       frame->inetmsg_id = k_inetmsg_playerframe;
 282       frame->client = 0xff;
 283       frame->subsystem = localplayer.subsystem;
 284       frame->instance_id = world_static.active_instance;
 285
 286       bitpack_ctx ctx = {
 287          .mode = k_bitpack_compress,
 288          .buffer = frame->animdata,
 289          .buffer_len = max_buf_size,
 290          .bytes = 0
 291       };
 292
 293       /* sfx
 294        * ---------------------------------------------*/
 295
 296       frame->sound_effects = localplayer.sfx_buffer_count;
 297       for( u32 i=0; i<localplayer.sfx_buffer_count; i ++ )
 298          net_sfx_exchange( &ctx, &localplayer.sfx_buffer[i] );
 299
 300       /* animation
 301        * -----------------------------------------------*/
 302
 303       frame->timestamp = vg.time_real;
 304       frame->boundary_hash = localplayer.boundary_hash;
 305       if( sys->network_animator_exchange )
 306          sys->network_animator_exchange( &ctx, sys->animator_data );
 307       else
 308          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 309
 310       u32 wire_size = base_size + ctx.bytes;
 311       netplayers.up_bytes += wire_size;
 312
 313       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 314             hSteamNetworkingSockets, network_client.remote,
 315             frame, wire_size,
 316             k_nSteamNetworkingSend_Unreliable, NULL );
 317    }
 318 }
 319
 320 /*
 321  * Updates network traffic stats
 322  */
 323 static void remote_player_debug_update(void){
 324    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 325       netplayers.last_data_measurement = vg.time_real;
 326       u32 total_down = 0;
 327
 328       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 329          struct network_player *player = &netplayers.list[i];
 330          if( player->active ){
 331             total_down += player->down_bytes;
 332             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 333             player->down_bytes = 0;
 334          }
 335       }
 336
 337       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 338       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 339       netplayers.up_bytes = 0;
 340    }
 341 }
 342
 343 static void remote_player_nametag( m4x4f pv, v3f co, const char *name ){
 344    vg_ui.font = &vg_ui_font_big;
 345    v4f wpos;
 346    v3_copy( co, wpos );
 347    wpos[1] += 2.0f;
 348    wpos[3] = 1.0f;
 349
 350    m4x4_mulv( pv, wpos, wpos );
 351
 352    if( wpos[3] > 0.0f ){
 353       v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 354       v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 355
 356       ui_rect wr;
 357       wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 358       wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 359                         -32000.0f,32000.0f);
 360       wr[2] = 300;
 361       wr[3] = 32;
 362       ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 363       ui_text( wr, name, 1, k_ui_align_middle_center, 0 );
 364    }
 365    vg_ui.font = &vg_ui_font_small;
 366 }
 367
 368 /*
 369  * Debugging information
 370  */
 371 static void remote_player_network_imgui( m4x4f pv ){
 372    if( !network_client.network_info )
 373       return;
 374
 375    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 376    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 377
 378    char buf[512];
 379    const char *netstatus = "PROGRAMMING ERROR";
 380
 381    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 382    states[] = {
 383            { k_ESteamNetworkingConnectionState_None, "None" },
 384            { k_ESteamNetworkingConnectionState_Connecting,
 385          (const char *[]){"Connecting -",
 386                           "Connecting /",
 387                           "Connecting |",
 388                           "Connecting \\",
 389                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 390            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 391            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 392            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 393            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 394          "Problem Detected Locally" },
 395            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 396            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 397            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 398    };
 399    for( u32 i=0; i<vg_list_size(states); i ++ ){
 400       if( states[i].state == network_client.state ){
 401          netstatus = states[i].str;
 402          break;
 403       }
 404    }
 405    snprintf( buf, 512, "Network: %s", netstatus );
 406    ui_info( panel, buf );
 407    ui_info( panel, "---------------------" );
 408
 409    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 410       ui_info( panel, "#-1: localplayer" );
 411
 412       snprintf( buf, 512, "U%.3f/D%.3fkbs",
 413                 netplayers.up_kbs, netplayers.down_kbs );
 414       ui_info( panel, buf );
 415
 416       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 417          struct network_player *player = &netplayers.list[i];
 418          if( player->active ){
 419             const char *sysname = "invalid";
 420
 421             if( player->subsystem < k_player_subsystem_max ){
 422                sysname = player_subsystems[ player->subsystem ]->name;
 423             }
 424             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 425                       i, player->username, sysname, player->down_kbs );
 426             ui_info( panel, buf );
 427
 428             struct player_avatar *av = localplayer.playeravatar;
 429             remote_player_nametag(
 430                   pv,
 431                   netplayers.final_mtx[av->sk.bone_count*i][3],
 432                   player->username );
 433          }
 434       }
 435    }
 436    else {
 437       ui_info( panel, "offline" );
 438    }
 439
 440    struct player_avatar *av = localplayer.playeravatar;
 441    remote_player_nametag(
 442          pv,
 443          localplayer.final_mtx[0][3],
 444          "Localplayer" );
 445 }
 446
 447 /*
 448  * write the remote players final_mtx
 449  */
 450 static void pose_remote_player( u32 index,
 451                                 struct interp_frame *f0,
 452                                 struct interp_frame *f1 ){
 453
 454    struct network_player *player = &netplayers.list[ index ];
 455
 456    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 457    struct player_avatar *av = localplayer.playeravatar;
 458    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 459    struct player_board_pose *board_pose = &netplayers.board_poses[index];
 460
 461    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 462                                      *sys1 = NULL;
 463
 464    player_pose pose0, pose1, posed;
 465    sys0->pose( &f0->data, &pose0 );
 466
 467    u8 instance_id = 0;
 468
 469    if( f1 ){
 470       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 471           t = vg_clampf( t, 0.0f, 1.0f );
 472
 473       sys1 = player_subsystems[f1->subsystem];
 474       sys1->pose( &f1->data, &pose1 );
 475
 476       u16 bounds = f0->boundary_hash^f1->boundary_hash;
 477
 478       if( bounds & NETMSG_BOUNDARY_BIT )
 479          t = 1.0f;
 480
 481       if( bounds & NETMSG_GATE_BOUNDARY_BIT ){
 482          /* TODO: Extra work retransforming the root_co, instance_id.. etc */
 483          t = 1.0f;
 484       }
 485
 486       instance_id = f1->instance_id;
 487
 488       lerp_player_pose( &pose0, &pose1, t, &posed );
 489       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 490       memcpy( board_pose, &posed.board, sizeof(*board_pose) );
 491    }
 492    else {
 493       instance_id = f0->instance_id;
 494
 495       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 496       memcpy( board_pose, &pose0.board, sizeof(*board_pose) );
 497    }
 498
 499    if( instance_id ){
 500       if( player->client_match ){
 501          player->active_world = &world_static.instances[ instance_id ];
 502       }
 503    }
 504    else{
 505       if( player->hub_match ){
 506          player->active_world = &world_static.instances[ instance_id ];
 507       }
 508    }
 509 }
 510
 511 /*
 512  * animate remote player and store in final_mtx
 513  */
 514 static void animate_remote_player( u32 index ){
 515
 516    /*
 517     * Trys to keep the cursor inside the buffer
 518     */
 519    f64 min_time = -999999999.9,
 520        max_time =  999999999.9,
 521        abs_max_time = -999999999.9;
 522
 523    struct interp_frame *minframe = NULL,
 524                        *maxframe = NULL,
 525                        *abs_max_frame = NULL;
 526
 527    struct interp_buffer *buf = &netplayers.interp_data[index];
 528    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 529       struct interp_frame *ifr = &buf->frames[i];
 530
 531       if( ifr->active ){
 532          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 533             min_time = ifr->timestamp;
 534             minframe = ifr;
 535          }
 536
 537          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 538             max_time = ifr->timestamp;
 539             maxframe = ifr;
 540          }
 541
 542          if( ifr->timestamp > abs_max_time ){
 543             abs_max_time = ifr->timestamp;
 544             abs_max_frame = ifr;
 545          }
 546       }
 547    }
 548
 549    struct network_player *player = &netplayers.list[ index ];
 550    player->active_world = NULL;
 551
 552    if( minframe && maxframe ){
 553       pose_remote_player( index, minframe, maxframe );
 554       buf->t += vg.time_frame_delta;
 555    }
 556    else {
 557       buf->t = abs_max_time - 0.25;
 558
 559       if( abs_max_frame )
 560          pose_remote_player( index, abs_max_frame, NULL );
 561       else
 562          return;
 563    }
 564 }
 565
 566 /*
 567  * Update full final_mtx for all remote players
 568  */
 569 static void animate_remote_players(void){
 570    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 571       struct network_player *player = &netplayers.list[i];
 572       if( !player->active ) continue;
 573
 574       animate_remote_player( i );
 575    }
 576 }
 577
 578 /*
 579  * Draw remote players
 580  */
 581 static void render_remote_players( world_instance *world, camera *cam ){
 582
 583    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 584
 585    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 586       struct network_player *player = &netplayers.list[i];
 587       if( !player->active ) continue;
 588       if( player->active_world != world ) continue;
 589
 590       struct player_avatar *av = localplayer.playeravatar;
 591       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 592
 593       struct player_model *model =
 594          addon_cache_item_if_loaded( k_addon_type_player,
 595                                      player->playermodel_view_slot );
 596
 597       if( !model ) model = &localplayer.fallback_model;
 598       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 599
 600       struct player_board *board =
 601          addon_cache_item_if_loaded( k_addon_type_board,
 602                                      player->board_view_slot );
 603       render_board( cam, world, board,
 604                      final_mtx[localplayer.playeravatar->id_board],
 605                      &netplayers.board_poses[ i ],
 606                      k_board_shader_player );
 607    }
 608
 609    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 610 }
 611
 612 static void remote_players_init(void){
 613    for( u32 i=0; i<NETWORK_SFX_QUEUE_LENGTH; i ++ ){
 614       netplayers.sfx_queue[i].system = k_player_subsystem_invalid;
 615    }
 616 }
 617
 618 static void remote_sfx_pre_update(void){
 619    for( u32 i=0; i<NETWORK_SFX_QUEUE_LENGTH; i ++ ){
 620       struct net_sfx *si = &netplayers.sfx_queue[i];
 621
 622       if( si->system != k_player_subsystem_invalid ){
 623          si->subframe -= vg.time_frame_delta;
 624          if( si->subframe <= 0.0f ){
 625             net_sfx_play( si );
 626             si->system = k_player_subsystem_invalid;
 627          }
 628       }
 629    }
 630 }