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->timestamp = frame->timestamp;
 155       dest->subsystem = frame->subsystem;
 156       dest->instance_id = frame->instance_id;
 157       dest->boundary_hash = frame->boundary_hash;
 158
 159       struct network_player *player = &netplayers.list[ frame->client ];
 160       memcpy( &dest->data, frame->animdata, datasize );
 161       player->subsystem = frame->subsystem;
 162       player->down_bytes += msg->m_cbSize;
 163    }
 164    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 165       netmsg_playeritem *item = msg->m_pData;
 166       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 167
 168       if( item->client >= vg_list_size(netplayers.list) ){
 169          vg_error( "inetmsg_playerframe: player index out of range\n" );
 170          return;
 171       }
 172
 173       if( item->type_index >= k_netmsg_playeritem_max ){
 174          vg_warn( "Client #%d invalid equip type %u\n",
 175                   (i32)item->client, (u32)item->type_index );
 176          return;
 177       }
 178
 179       vg_info( "Client #%d equiped: [%s] %s\n",
 180                item->client,
 181                (const char *[]){[k_netmsg_playeritem_board]="board",
 182                                 [k_netmsg_playeritem_player]="player",
 183                                 [k_netmsg_playeritem_world0]="world0",
 184                                 [k_netmsg_playeritem_world1]="world1"
 185                }[item->type_index], item->uid );
 186
 187       struct network_player *player = &netplayers.list[ item->client ];
 188       char *uid = player->items[ item->type_index ];
 189
 190       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 191                          uid, ADDON_UID_MAX );
 192
 193       if( item->type_index == k_netmsg_playeritem_board ){
 194          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 195          player->board_view_slot =
 196             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 197       }
 198       else if( item->type_index == k_netmsg_playeritem_player ){
 199          addon_cache_unwatch( k_addon_type_player,
 200                               player->playermodel_view_slot );
 201          player->playermodel_view_slot =
 202             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 203       }
 204       else if( (item->type_index == k_netmsg_playeritem_world0) ||
 205                (item->type_index == k_netmsg_playeritem_world1) ){
 206          relink_remote_player_worlds( item->client );
 207       }
 208    }
 209 }
 210
 211 /*
 212  * Write localplayer pose to network
 213  */
 214 static void remote_player_send_playerframe(void){
 215    u8 sysid = localplayer.subsystem;
 216    if( sysid >= k_player_subsystem_max ) return;
 217
 218    struct player_subsystem_interface *sys = player_subsystems[sysid];
 219
 220    if( sys->animator_size ){
 221       u32 size = sizeof(netmsg_playerframe)+sys->animator_size;
 222       netmsg_playerframe *frame = alloca(size);
 223       frame->inetmsg_id = k_inetmsg_playerframe;
 224       frame->client = 0xff;
 225       frame->subsystem = localplayer.subsystem;
 226       frame->timestamp = vg.time_real;
 227       frame->boundary_hash = localplayer.boundary_hash;
 228       frame->instance_id = world_static.active_instance;
 229
 230       memcpy( frame->animdata, sys->animator_data, sys->animator_size );
 231
 232       netplayers.up_bytes += size;
 233
 234       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 235             hSteamNetworkingSockets, network_client.remote,
 236             frame, size,
 237             k_nSteamNetworkingSend_Unreliable, NULL );
 238    }
 239 }
 240
 241 /*
 242  * Updates network traffic stats
 243  */
 244 static void remote_player_debug_update(void){
 245    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 246       netplayers.last_data_measurement = vg.time_real;
 247       u32 total_down = 0;
 248
 249       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 250          struct network_player *player = &netplayers.list[i];
 251          if( player->active ){
 252             total_down += player->down_bytes;
 253             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 254             player->down_bytes = 0;
 255          }
 256       }
 257
 258       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 259       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 260       netplayers.up_bytes = 0;
 261    }
 262 }
 263
 264 /*
 265  * Debugging information
 266  */
 267 static void remote_player_network_imgui( m4x4f pv ){
 268    if( !network_client.network_info )
 269       return;
 270
 271    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 272    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 273
 274    char buf[512];
 275    const char *netstatus = "PROGRAMMING ERROR";
 276
 277    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 278    states[] = {
 279            { k_ESteamNetworkingConnectionState_None, "None" },
 280            { k_ESteamNetworkingConnectionState_Connecting,
 281          (const char *[]){"Connecting -",
 282                           "Connecting /",
 283                           "Connecting |",
 284                           "Connecting \\",
 285                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 286            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 287            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 288            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 289            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 290          "Problem Detected Locally" },
 291            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 292            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 293            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 294    };
 295    for( u32 i=0; i<vg_list_size(states); i ++ ){
 296       if( states[i].state == network_client.state ){
 297          netstatus = states[i].str;
 298          break;
 299       }
 300    }
 301    snprintf( buf, 512, "Network: %s", netstatus );
 302    ui_info( panel, buf );
 303    ui_info( panel, "---------------------" );
 304
 305    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 306       ui_info( panel, "#-1: localplayer" );
 307
 308       snprintf( buf, 512, "U%.1f/D%.1fkbs",
 309                 netplayers.up_kbs, netplayers.down_kbs );
 310       ui_info( panel, buf );
 311
 312       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 313          struct network_player *player = &netplayers.list[i];
 314          if( player->active ){
 315             const char *sysname = "invalid";
 316
 317             if( player->subsystem < k_player_subsystem_max ){
 318                sysname = player_subsystems[ player->subsystem ]->name;
 319             }
 320             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 321                       i, player->username, sysname, player->down_kbs );
 322             ui_info( panel, buf );
 323
 324             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 325             struct player_avatar *av = localplayer.playeravatar;
 326             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 327             m4x4_mulv( pv, wpos, wpos );
 328
 329             if( wpos[3] > 0.0f ){
 330                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 331                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 332
 333                ui_rect wr;
 334                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 335                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 336                                  -32000.0f,32000.0f);
 337                wr[2] = 300;
 338                wr[3] = 17;
 339                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 340                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 341             }
 342          }
 343       }
 344    }
 345    else {
 346       ui_info( panel, "offline" );
 347    }
 348 }
 349
 350 /*
 351  * write the remote players final_mtx
 352  */
 353 static void pose_remote_player( u32 index,
 354                                 struct interp_frame *f0,
 355                                 struct interp_frame *f1 ){
 356
 357    struct network_player *player = &netplayers.list[ index ];
 358
 359    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 360    struct player_avatar *av = localplayer.playeravatar;
 361    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 362    struct player_board_pose *board_pose = &netplayers.board_poses[index];
 363
 364    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 365                                      *sys1 = NULL;
 366
 367    player_pose pose0, pose1, posed;
 368    sys0->pose( &f0->data, &pose0 );
 369
 370    u8 instance_id = 0;
 371
 372    if( f1 ){
 373       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 374           t = vg_clampf( t, 0.0f, 1.0f );
 375
 376       sys1 = player_subsystems[f1->subsystem];
 377       sys1->pose( &f1->data, &pose1 );
 378
 379       u16 bounds = f0->boundary_hash^f1->boundary_hash;
 380
 381       if( bounds & NETMSG_BOUNDARY_BIT )
 382          t = 1.0f;
 383
 384       if( bounds & NETMSG_GATE_BOUNDARY_BIT ){
 385          /* TODO: Extra work retransforming the root_co, instance_id.. etc */
 386          t = 1.0f;
 387       }
 388
 389       instance_id = f1->instance_id;
 390
 391       lerp_player_pose( &pose0, &pose1, t, &posed );
 392       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 393       memcpy( board_pose, &posed.board, sizeof(*board_pose) );
 394    }
 395    else {
 396       instance_id = f0->instance_id;
 397
 398       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 399       memcpy( board_pose, &pose0.board, sizeof(*board_pose) );
 400    }
 401
 402    if( instance_id ){
 403       if( player->client_match ){
 404          player->active_world = &world_static.instances[ instance_id ];
 405       }
 406    }
 407    else{
 408       if( player->hub_match ){
 409          player->active_world = &world_static.instances[ instance_id ];
 410       }
 411    }
 412 }
 413
 414 /*
 415  * animate remote player and store in final_mtx
 416  */
 417 static void animate_remote_player( u32 index ){
 418
 419    /*
 420     * Trys to keep the cursor inside the buffer
 421     */
 422    f64 min_time = -999999999.9,
 423        max_time =  999999999.9,
 424        abs_max_time = -999999999.9;
 425
 426    struct interp_frame *minframe = NULL,
 427                        *maxframe = NULL,
 428                        *abs_max_frame = NULL;
 429
 430    struct interp_buffer *buf = &netplayers.interp_data[index];
 431    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 432       struct interp_frame *ifr = &buf->frames[i];
 433
 434       if( ifr->active ){
 435          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 436             min_time = ifr->timestamp;
 437             minframe = ifr;
 438          }
 439
 440          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 441             max_time = ifr->timestamp;
 442             maxframe = ifr;
 443          }
 444
 445          if( ifr->timestamp > abs_max_time ){
 446             abs_max_time = ifr->timestamp;
 447             abs_max_frame = ifr;
 448          }
 449       }
 450    }
 451
 452    struct network_player *player = &netplayers.list[ index ];
 453    player->active_world = NULL;
 454
 455    if( minframe && maxframe ){
 456       pose_remote_player( index, minframe, maxframe );
 457       buf->t += vg.time_frame_delta;
 458    }
 459    else {
 460       buf->t = abs_max_time - 0.25;
 461
 462       if( abs_max_frame )
 463          pose_remote_player( index, abs_max_frame, NULL );
 464       else
 465          return;
 466    }
 467 }
 468
 469 /*
 470  * Update full final_mtx for all remote players
 471  */
 472 static void animate_remote_players(void){
 473    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 474       struct network_player *player = &netplayers.list[i];
 475       if( !player->active ) continue;
 476
 477       animate_remote_player( i );
 478    }
 479 }
 480
 481 /*
 482  * Draw remote players
 483  */
 484 static void render_remote_players( world_instance *world, camera *cam ){
 485
 486    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 487
 488    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 489       struct network_player *player = &netplayers.list[i];
 490       if( !player->active ) continue;
 491       if( player->active_world != world ) continue;
 492
 493       struct player_avatar *av = localplayer.playeravatar;
 494       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 495
 496       struct player_model *model =
 497          addon_cache_item_if_loaded( k_addon_type_player,
 498                                      player->playermodel_view_slot );
 499
 500       if( !model ) model = &localplayer.fallback_model;
 501       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 502
 503       struct player_board *board =
 504          addon_cache_item_if_loaded( k_addon_type_board,
 505                                      player->board_view_slot );
 506       render_board( cam, world, board,
 507                      final_mtx[localplayer.playeravatar->id_board],
 508                      &netplayers.board_poses[ i ],
 509                      k_board_shader_player );
 510    }
 511
 512    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 513 }
 514
 515 /* TODO: Which world is the player in
 516  *       nametags with occlusion
 517  */