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