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
 161       struct player_subsystem_interface *sys =
 162          player_subsystems[ frame->subsystem ];
 163
 164       if( sys->network_animator_exchange ){
 165          bitpack_ctx ctx = {
 166             .mode = k_bitpack_decompress,
 167             .buffer = frame->animdata,
 168             .buffer_len = datasize,
 169             .bytes = 0,
 170          };
 171
 172          memset( &dest->data, 0, sys->animator_size );
 173          sys->network_animator_exchange( &ctx, &dest->data );
 174       }
 175       else {
 176          memcpy( &dest->data, frame->animdata, datasize );
 177       }
 178
 179       player->subsystem = frame->subsystem;
 180       player->down_bytes += msg->m_cbSize;
 181    }
 182    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 183       netmsg_playeritem *item = msg->m_pData;
 184       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 185
 186       if( item->client >= vg_list_size(netplayers.list) ){
 187          vg_error( "inetmsg_playerframe: player index out of range\n" );
 188          return;
 189       }
 190
 191       if( item->type_index >= k_netmsg_playeritem_max ){
 192          vg_warn( "Client #%d invalid equip type %u\n",
 193                   (i32)item->client, (u32)item->type_index );
 194          return;
 195       }
 196
 197       vg_info( "Client #%d equiped: [%s] %s\n",
 198                item->client,
 199                (const char *[]){[k_netmsg_playeritem_board]="board",
 200                                 [k_netmsg_playeritem_player]="player",
 201                                 [k_netmsg_playeritem_world0]="world0",
 202                                 [k_netmsg_playeritem_world1]="world1"
 203                }[item->type_index], item->uid );
 204
 205       struct network_player *player = &netplayers.list[ item->client ];
 206       char *uid = player->items[ item->type_index ];
 207
 208       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 209                          uid, ADDON_UID_MAX );
 210
 211       if( item->type_index == k_netmsg_playeritem_board ){
 212          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 213          player->board_view_slot =
 214             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 215       }
 216       else if( item->type_index == k_netmsg_playeritem_player ){
 217          addon_cache_unwatch( k_addon_type_player,
 218                               player->playermodel_view_slot );
 219          player->playermodel_view_slot =
 220             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 221       }
 222       else if( (item->type_index == k_netmsg_playeritem_world0) ||
 223                (item->type_index == k_netmsg_playeritem_world1) ){
 224          relink_remote_player_worlds( item->client );
 225       }
 226    }
 227 }
 228
 229 /*
 230  * Write localplayer pose to network
 231  */
 232 static void remote_player_send_playerframe(void){
 233    u8 sysid = localplayer.subsystem;
 234    if( sysid >= k_player_subsystem_max ) return;
 235
 236    struct player_subsystem_interface *sys = player_subsystems[sysid];
 237
 238    if( sys->animator_size ){
 239       u32 size = sizeof(netmsg_playerframe)+sys->animator_size;
 240       netmsg_playerframe *frame = alloca(size);
 241       frame->inetmsg_id = k_inetmsg_playerframe;
 242       frame->client = 0xff;
 243       frame->subsystem = localplayer.subsystem;
 244       frame->timestamp = vg.time_real;
 245       frame->boundary_hash = localplayer.boundary_hash;
 246       frame->instance_id = world_static.active_instance;
 247
 248       if( sys->network_animator_exchange ){
 249          bitpack_ctx ctx = {
 250             .mode = k_bitpack_compress,
 251             .buffer = frame->animdata,
 252             .buffer_len = sys->animator_size,
 253             .bytes = 0,
 254          };
 255
 256          sys->network_animator_exchange( &ctx, sys->animator_data );
 257          size = ctx.bytes;
 258       }
 259       else{
 260          memcpy( frame->animdata, sys->animator_data, sys->animator_size );
 261       }
 262
 263       netplayers.up_bytes += size;
 264
 265       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 266             hSteamNetworkingSockets, network_client.remote,
 267             frame, size,
 268             k_nSteamNetworkingSend_Unreliable, NULL );
 269    }
 270 }
 271
 272 /*
 273  * Updates network traffic stats
 274  */
 275 static void remote_player_debug_update(void){
 276    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 277       netplayers.last_data_measurement = vg.time_real;
 278       u32 total_down = 0;
 279
 280       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 281          struct network_player *player = &netplayers.list[i];
 282          if( player->active ){
 283             total_down += player->down_bytes;
 284             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 285             player->down_bytes = 0;
 286          }
 287       }
 288
 289       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 290       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 291       netplayers.up_bytes = 0;
 292    }
 293 }
 294
 295 /*
 296  * Debugging information
 297  */
 298 static void remote_player_network_imgui( m4x4f pv ){
 299    if( !network_client.network_info )
 300       return;
 301
 302    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 303    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 304
 305    char buf[512];
 306    const char *netstatus = "PROGRAMMING ERROR";
 307
 308    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 309    states[] = {
 310            { k_ESteamNetworkingConnectionState_None, "None" },
 311            { k_ESteamNetworkingConnectionState_Connecting,
 312          (const char *[]){"Connecting -",
 313                           "Connecting /",
 314                           "Connecting |",
 315                           "Connecting \\",
 316                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 317            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 318            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 319            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 320            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 321          "Problem Detected Locally" },
 322            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 323            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 324            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 325    };
 326    for( u32 i=0; i<vg_list_size(states); i ++ ){
 327       if( states[i].state == network_client.state ){
 328          netstatus = states[i].str;
 329          break;
 330       }
 331    }
 332    snprintf( buf, 512, "Network: %s", netstatus );
 333    ui_info( panel, buf );
 334    ui_info( panel, "---------------------" );
 335
 336    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 337       ui_info( panel, "#-1: localplayer" );
 338
 339       snprintf( buf, 512, "U%.1f/D%.1fkbs",
 340                 netplayers.up_kbs, netplayers.down_kbs );
 341       ui_info( panel, buf );
 342
 343       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 344          struct network_player *player = &netplayers.list[i];
 345          if( player->active ){
 346             const char *sysname = "invalid";
 347
 348             if( player->subsystem < k_player_subsystem_max ){
 349                sysname = player_subsystems[ player->subsystem ]->name;
 350             }
 351             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 352                       i, player->username, sysname, player->down_kbs );
 353             ui_info( panel, buf );
 354
 355             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 356             struct player_avatar *av = localplayer.playeravatar;
 357             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 358             m4x4_mulv( pv, wpos, wpos );
 359
 360             if( wpos[3] > 0.0f ){
 361                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 362                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 363
 364                ui_rect wr;
 365                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 366                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 367                                  -32000.0f,32000.0f);
 368                wr[2] = 300;
 369                wr[3] = 17;
 370                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 371                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 372             }
 373          }
 374       }
 375    }
 376    else {
 377       ui_info( panel, "offline" );
 378    }
 379 }
 380
 381 /*
 382  * write the remote players final_mtx
 383  */
 384 static void pose_remote_player( u32 index,
 385                                 struct interp_frame *f0,
 386                                 struct interp_frame *f1 ){
 387
 388    struct network_player *player = &netplayers.list[ index ];
 389
 390    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 391    struct player_avatar *av = localplayer.playeravatar;
 392    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 393    struct player_board_pose *board_pose = &netplayers.board_poses[index];
 394
 395    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 396                                      *sys1 = NULL;
 397
 398    player_pose pose0, pose1, posed;
 399    sys0->pose( &f0->data, &pose0 );
 400
 401    u8 instance_id = 0;
 402
 403    if( f1 ){
 404       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 405           t = vg_clampf( t, 0.0f, 1.0f );
 406
 407       sys1 = player_subsystems[f1->subsystem];
 408       sys1->pose( &f1->data, &pose1 );
 409
 410       u16 bounds = f0->boundary_hash^f1->boundary_hash;
 411
 412       if( bounds & NETMSG_BOUNDARY_BIT )
 413          t = 1.0f;
 414
 415       if( bounds & NETMSG_GATE_BOUNDARY_BIT ){
 416          /* TODO: Extra work retransforming the root_co, instance_id.. etc */
 417          t = 1.0f;
 418       }
 419
 420       instance_id = f1->instance_id;
 421
 422       lerp_player_pose( &pose0, &pose1, t, &posed );
 423       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 424       memcpy( board_pose, &posed.board, sizeof(*board_pose) );
 425    }
 426    else {
 427       instance_id = f0->instance_id;
 428
 429       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 430       memcpy( board_pose, &pose0.board, sizeof(*board_pose) );
 431    }
 432
 433    if( instance_id ){
 434       if( player->client_match ){
 435          player->active_world = &world_static.instances[ instance_id ];
 436       }
 437    }
 438    else{
 439       if( player->hub_match ){
 440          player->active_world = &world_static.instances[ instance_id ];
 441       }
 442    }
 443 }
 444
 445 /*
 446  * animate remote player and store in final_mtx
 447  */
 448 static void animate_remote_player( u32 index ){
 449
 450    /*
 451     * Trys to keep the cursor inside the buffer
 452     */
 453    f64 min_time = -999999999.9,
 454        max_time =  999999999.9,
 455        abs_max_time = -999999999.9;
 456
 457    struct interp_frame *minframe = NULL,
 458                        *maxframe = NULL,
 459                        *abs_max_frame = NULL;
 460
 461    struct interp_buffer *buf = &netplayers.interp_data[index];
 462    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 463       struct interp_frame *ifr = &buf->frames[i];
 464
 465       if( ifr->active ){
 466          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 467             min_time = ifr->timestamp;
 468             minframe = ifr;
 469          }
 470
 471          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 472             max_time = ifr->timestamp;
 473             maxframe = ifr;
 474          }
 475
 476          if( ifr->timestamp > abs_max_time ){
 477             abs_max_time = ifr->timestamp;
 478             abs_max_frame = ifr;
 479          }
 480       }
 481    }
 482
 483    struct network_player *player = &netplayers.list[ index ];
 484    player->active_world = NULL;
 485
 486    if( minframe && maxframe ){
 487       pose_remote_player( index, minframe, maxframe );
 488       buf->t += vg.time_frame_delta;
 489    }
 490    else {
 491       buf->t = abs_max_time - 0.25;
 492
 493       if( abs_max_frame )
 494          pose_remote_player( index, abs_max_frame, NULL );
 495       else
 496          return;
 497    }
 498 }
 499
 500 /*
 501  * Update full final_mtx for all remote players
 502  */
 503 static void animate_remote_players(void){
 504    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 505       struct network_player *player = &netplayers.list[i];
 506       if( !player->active ) continue;
 507
 508       animate_remote_player( i );
 509    }
 510 }
 511
 512 /*
 513  * Draw remote players
 514  */
 515 static void render_remote_players( world_instance *world, camera *cam ){
 516
 517    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 518
 519    for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
 520       struct network_player *player = &netplayers.list[i];
 521       if( !player->active ) continue;
 522       if( player->active_world != world ) continue;
 523
 524       struct player_avatar *av = localplayer.playeravatar;
 525       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 526
 527       struct player_model *model =
 528          addon_cache_item_if_loaded( k_addon_type_player,
 529                                      player->playermodel_view_slot );
 530
 531       if( !model ) model = &localplayer.fallback_model;
 532       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 533
 534       struct player_board *board =
 535          addon_cache_item_if_loaded( k_addon_type_board,
 536                                      player->board_view_slot );
 537       render_board( cam, world, board,
 538                      final_mtx[localplayer.playeravatar->id_board],
 539                      &netplayers.board_poses[ i ],
 540                      k_board_shader_player );
 541    }
 542
 543    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 544 }
 545
 546 /* TODO: Which world is the player in
 547  *       nametags with occlusion
 548  */