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          /* CHEATING for now */
 170          struct net_sfx sfx;
 171          net_sfx_exchange( &ctx, &sfx );
 172          net_sfx_play( &sfx );
 173       }
 174
 175       /* animation
 176        * -------------------------------------------------------------*/
 177
 178       dest->timestamp = frame->timestamp;
 179       dest->boundary_hash = frame->boundary_hash;
 180
 181       struct network_player *player = &netplayers.list[ frame->client ];
 182       struct player_subsystem_interface *sys =
 183          player_subsystems[ frame->subsystem ];
 184
 185       if( sys->network_animator_exchange ){
 186          memset( &dest->data, 0, sys->animator_size );
 187          sys->network_animator_exchange( &ctx, &dest->data );
 188       }
 189       else {
 190          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 191       }
 192
 193       player->subsystem = frame->subsystem;
 194       player->down_bytes += msg->m_cbSize;
 195    }
 196    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 197       netmsg_playeritem *item = msg->m_pData;
 198       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 199
 200       if( item->client >= vg_list_size(netplayers.list) ){
 201          vg_error( "inetmsg_playerframe: player index out of range\n" );
 202          return;
 203       }
 204
 205       if( item->type_index >= k_netmsg_playeritem_max ){
 206          vg_warn( "Client #%d invalid equip type %u\n",
 207                   (i32)item->client, (u32)item->type_index );
 208          return;
 209       }
 210
 211       vg_info( "Client #%d equiped: [%s] %s\n",
 212                item->client,
 213                (const char *[]){[k_netmsg_playeritem_board]="board",
 214                                 [k_netmsg_playeritem_player]="player",
 215                                 [k_netmsg_playeritem_world0]="world0",
 216                                 [k_netmsg_playeritem_world1]="world1"
 217                }[item->type_index], item->uid );
 218
 219       struct network_player *player = &netplayers.list[ item->client ];
 220       char *uid = player->items[ item->type_index ];
 221
 222       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 223                          uid, ADDON_UID_MAX );
 224
 225       if( item->type_index == k_netmsg_playeritem_board ){
 226          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 227          player->board_view_slot =
 228             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 229       }
 230       else if( item->type_index == k_netmsg_playeritem_player ){
 231          addon_cache_unwatch( k_addon_type_player,
 232                               player->playermodel_view_slot );
 233          player->playermodel_view_slot =
 234             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 235       }
 236       else if( (item->type_index == k_netmsg_playeritem_world0) ||
 237                (item->type_index == k_netmsg_playeritem_world1) ){
 238          relink_remote_player_worlds( item->client );
 239       }
 240    }
 241 }
 242
 243 /*
 244  * Write localplayer pose to network
 245  */
 246 static void remote_player_send_playerframe(void){
 247    u8 sysid = localplayer.subsystem;
 248    if( sysid >= k_player_subsystem_max ) return;
 249
 250    struct player_subsystem_interface *sys = player_subsystems[sysid];
 251
 252    if( sys->animator_size ){
 253       u32 max_buf_size = sys->animator_size + sizeof(localplayer.sfx_buffer),
 254           base_size = sizeof(struct netmsg_playerframe),
 255           max_packet = base_size + max_buf_size;
 256
 257       netmsg_playerframe *frame = alloca( max_packet );
 258       frame->inetmsg_id = k_inetmsg_playerframe;
 259       frame->client = 0xff;
 260       frame->subsystem = localplayer.subsystem;
 261       frame->instance_id = world_static.active_instance;
 262
 263       bitpack_ctx ctx = {
 264          .mode = k_bitpack_compress,
 265          .buffer = frame->animdata,
 266          .buffer_len = max_buf_size,
 267          .bytes = 0
 268       };
 269
 270       /* sfx
 271        * ---------------------------------------------*/
 272
 273       frame->sound_effects = localplayer.sfx_buffer_count;
 274       for( u32 i=0; i<localplayer.sfx_buffer_count; i ++ )
 275          net_sfx_exchange( &ctx, &localplayer.sfx_buffer[i] );
 276
 277       /* animation
 278        * -----------------------------------------------*/
 279
 280       frame->timestamp = vg.time_real;
 281       frame->boundary_hash = localplayer.boundary_hash;
 282       if( sys->network_animator_exchange )
 283          sys->network_animator_exchange( &ctx, sys->animator_data );
 284       else
 285          bitpack_bytes( &ctx, sys->animator_size, sys->animator_data );
 286
 287       u32 wire_size = base_size + ctx.bytes;
 288       netplayers.up_bytes += wire_size;
 289
 290       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 291             hSteamNetworkingSockets, network_client.remote,
 292             frame, wire_size,
 293             k_nSteamNetworkingSend_Unreliable, NULL );
 294    }
 295 }
 296
 297 /*
 298  * Updates network traffic stats
 299  */
 300 static void remote_player_debug_update(void){
 301    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 302       netplayers.last_data_measurement = vg.time_real;
 303       u32 total_down = 0;
 304
 305       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 306          struct network_player *player = &netplayers.list[i];
 307          if( player->active ){
 308             total_down += player->down_bytes;
 309             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 310             player->down_bytes = 0;
 311          }
 312       }
 313
 314       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 315       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 316       netplayers.up_bytes = 0;
 317    }
 318 }
 319
 320 /*
 321  * Debugging information
 322  */
 323 static void remote_player_network_imgui( m4x4f pv ){
 324    if( !network_client.network_info )
 325       return;
 326
 327    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 328    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 329
 330    char buf[512];
 331    const char *netstatus = "PROGRAMMING ERROR";
 332
 333    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 334    states[] = {
 335            { k_ESteamNetworkingConnectionState_None, "None" },
 336            { k_ESteamNetworkingConnectionState_Connecting,
 337          (const char *[]){"Connecting -",
 338                           "Connecting /",
 339                           "Connecting |",
 340                           "Connecting \\",
 341                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 342            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 343            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 344            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 345            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 346          "Problem Detected Locally" },
 347            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 348            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 349            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 350    };
 351    for( u32 i=0; i<vg_list_size(states); i ++ ){
 352       if( states[i].state == network_client.state ){
 353          netstatus = states[i].str;
 354          break;
 355       }
 356    }
 357    snprintf( buf, 512, "Network: %s", netstatus );
 358    ui_info( panel, buf );
 359    ui_info( panel, "---------------------" );
 360
 361    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 362       ui_info( panel, "#-1: localplayer" );
 363
 364       snprintf( buf, 512, "U%.3f/D%.3fkbs",
 365                 netplayers.up_kbs, netplayers.down_kbs );
 366       ui_info( panel, buf );
 367
 368       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 369          struct network_player *player = &netplayers.list[i];
 370          if( player->active ){
 371             const char *sysname = "invalid";
 372
 373             if( player->subsystem < k_player_subsystem_max ){
 374                sysname = player_subsystems[ player->subsystem ]->name;
 375             }
 376             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 377                       i, player->username, sysname, player->down_kbs );
 378             ui_info( panel, buf );
 379
 380             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 381             struct player_avatar *av = localplayer.playeravatar;
 382             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 383             m4x4_mulv( pv, wpos, wpos );
 384
 385             if( wpos[3] > 0.0f ){
 386                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 387                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 388
 389                ui_rect wr;
 390                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 391                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 392                                  -32000.0f,32000.0f);
 393                wr[2] = 300;
 394                wr[3] = 17;
 395                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 396                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 397             }
 398          }
 399       }
 400    }
 401    else {
 402       ui_info( panel, "offline" );
 403    }
 404 }
 405
 406 /*
 407  * write the remote players final_mtx
 408  */
 409 static void pose_remote_player( u32 index,
 410                                 struct interp_frame *f0,
 411                                 struct interp_frame *f1 ){
 412
 413    struct network_player *player = &netplayers.list[ index ];
 414
 415    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 416    struct player_avatar *av = localplayer.playeravatar;
 417    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 418    struct player_board_pose *board_pose = &netplayers.board_poses[index];
 419
 420    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 421                                      *sys1 = NULL;
 422
 423    player_pose pose0, pose1, posed;
 424    sys0->pose( &f0->data, &pose0 );
 425
 426    u8 instance_id = 0;
 427
 428    if( f1 ){
 429       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 430           t = vg_clampf( t, 0.0f, 1.0f );
 431
 432       sys1 = player_subsystems[f1->subsystem];
 433       sys1->pose( &f1->data, &pose1 );
 434
 435       u16 bounds = f0->boundary_hash^f1->boundary_hash;
 436
 437       if( bounds & NETMSG_BOUNDARY_BIT )
 438          t = 1.0f;
 439
 440       if( bounds & NETMSG_GATE_BOUNDARY_BIT ){
 441          /* TODO: Extra work retransforming the root_co, instance_id.. etc */
 442          t = 1.0f;
 443       }
 444
 445       instance_id = f1->instance_id;
 446
 447       lerp_player_pose( &pose0, &pose1, t, &posed );
 448       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 449       memcpy( board_pose, &posed.board, sizeof(*board_pose) );
 450    }
 451    else {
 452       instance_id = f0->instance_id;
 453
 454       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 455       memcpy( board_pose, &pose0.board, sizeof(*board_pose) );
 456    }
 457
 458    if( instance_id ){
 459       if( player->client_match ){
 460          player->active_world = &world_static.instances[ instance_id ];
 461       }
 462    }
 463    else{
 464       if( player->hub_match ){
 465          player->active_world = &world_static.instances[ instance_id ];
 466       }
 467    }
 468 }
 469
 470 /*
 471  * animate remote player and store in final_mtx
 472  */
 473 static void animate_remote_player( u32 index ){
 474
 475    /*
 476     * Trys to keep the cursor inside the buffer
 477     */
 478    f64 min_time = -999999999.9,
 479        max_time =  999999999.9,
 480        abs_max_time = -999999999.9;
 481
 482    struct interp_frame *minframe = NULL,
 483                        *maxframe = NULL,
 484                        *abs_max_frame = NULL;
 485
 486    struct interp_buffer *buf = &netplayers.interp_data[index];
 487    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 488       struct interp_frame *ifr = &buf->frames[i];
 489
 490       if( ifr->active ){
 491          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 492             min_time = ifr->timestamp;
 493             minframe = ifr;
 494          }
 495
 496          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 497             max_time = ifr->timestamp;
 498             maxframe = ifr;
 499          }
 500
 501          if( ifr->timestamp > abs_max_time ){
 502             abs_max_time = ifr->timestamp;
 503             abs_max_frame = ifr;
 504          }
 505       }
 506    }
 507
 508    struct network_player *player = &netplayers.list[ index ];
 509    player->active_world = NULL;
 510
 511    if( minframe && maxframe ){
 512       pose_remote_player( index, minframe, maxframe );
 513       buf->t += vg.time_frame_delta;
 514    }
 515    else {
 516       buf->t = abs_max_time - 0.25;
 517
 518       if( abs_max_frame )
 519          pose_remote_player( index, abs_max_frame, NULL );
 520       else
 521          return;
 522    }
 523 }
 524
 525 /*
 526  * Update full final_mtx for all remote players
 527  */
 528 static void animate_remote_players(void){
 529    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 530       struct network_player *player = &netplayers.list[i];
 531       if( !player->active ) continue;
 532
 533       animate_remote_player( i );
 534    }
 535 }
 536
 537 /*
 538  * Draw remote players
 539  */
 540 static void render_remote_players( world_instance *world, camera *cam ){
 541
 542    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 543
 544    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 545       struct network_player *player = &netplayers.list[i];
 546       if( !player->active ) continue;
 547       if( player->active_world != world ) continue;
 548
 549       struct player_avatar *av = localplayer.playeravatar;
 550       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 551
 552       struct player_model *model =
 553          addon_cache_item_if_loaded( k_addon_type_player,
 554                                      player->playermodel_view_slot );
 555
 556       if( !model ) model = &localplayer.fallback_model;
 557       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 558
 559       struct player_board *board =
 560          addon_cache_item_if_loaded( k_addon_type_board,
 561                                      player->board_view_slot );
 562       render_board( cam, world, board,
 563                      final_mtx[localplayer.playeravatar->id_board],
 564                      &netplayers.board_poses[ i ],
 565                      k_board_shader_player );
 566    }
 567
 568    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 569 }
 570
 571 /* TODO: Which world is the player in
 572  *       nametags with occlusion
 573  */