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_unwatch( 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
  12 static void player_remote_clear( struct network_player *player ){
  13    player_remote_unwatch( player );
  14    memset( player, 0, sizeof(*player) );
  15    strcpy( player->username, "unknown" );
  16    player->subsystem = k_player_subsystem_invalid;
  17 }
  18
  19 static void player_remote_rx_200_300( SteamNetworkingMessage_t *msg ){
  20    netmsg_blank *tmp = msg->m_pData;
  21
  22    if( tmp->inetmsg_id == k_inetmsg_playerjoin ){
  23       netmsg_playerjoin *playerjoin = msg->m_pData;
  24       if( !packet_minsize( msg, sizeof(*playerjoin) )) return;
  25
  26       if( playerjoin->index < vg_list_size(netplayers.list) ){
  27          struct network_player *player = &netplayers.list[ playerjoin->index ];
  28          player_remote_clear( player );
  29          player->active = 1;
  30
  31          /* TODO: interpret the uids */
  32          player->board_view_slot = 0;
  33          player->playermodel_view_slot = 0;
  34 #if 0
  35             addon_cache_create_viewer_from_uid( k_addon_type_board,
  36                                                 playerjoin->board_uid );
  37          player->playermodel_view_slot =
  38             addon_cache_create_viewer_from_uid( k_addon_type_player,
  39                                                 playerjoin->playermodel_uid );
  40 #endif
  41
  42          struct interp_buffer *buf = &netplayers.interp_data[playerjoin->index];
  43          buf->t = -99999999.9;
  44          for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
  45             buf->frames[i].active = 0;
  46          }
  47
  48          vg_info( "#%u joined\n", playerjoin->index );
  49       }
  50       else {
  51          vg_error( "inetmsg_playerjoin: player index out of range\n" );
  52       }
  53    }
  54    else if( tmp->inetmsg_id == k_inetmsg_playerleave ){
  55       netmsg_playerleave *playerleave = msg->m_pData;
  56       if( !packet_minsize( msg, sizeof(*playerleave) )) return;
  57
  58       if( playerleave->index < vg_list_size(netplayers.list) ){
  59          struct network_player *player = &netplayers.list[ playerleave->index ];
  60          player_remote_unwatch( player );
  61          player->active = 0;
  62          vg_info( "player leave (%d)\n", playerleave->index );
  63       }
  64       else {
  65          vg_error( "inetmsg_playerleave: player index out of range\n" );
  66       }
  67    }
  68    else if( tmp->inetmsg_id == k_inetmsg_playerusername ){
  69       netmsg_playerusername *update = msg->m_pData;
  70       if( !packet_minsize( msg, sizeof(*update) )) return;
  71
  72       if( update->index < vg_list_size(netplayers.list) ){
  73          struct network_player *player = &netplayers.list[ update->index ];
  74
  75          network_msgstring( update->name, msg->m_cbSize, sizeof(*update),
  76                             player->username, sizeof(player->username) );
  77
  78          vg_info( "#%u changed username to: %s\n",
  79                   update->index, player->username );
  80       }
  81       else {
  82          vg_error( "inetmsg_playerleave: player index out of range\n" );
  83       }
  84    }
  85    else if( tmp->inetmsg_id == k_inetmsg_playerframe ){
  86       u32 datasize = msg->m_cbSize - sizeof(netmsg_playerframe);
  87
  88       if( datasize > sizeof(union interp_animdata) ){
  89          vg_error( "Player frame data exceeds animdata size\n" );
  90          return;
  91       }
  92
  93       netmsg_playerframe *frame = msg->m_pData;
  94       if( frame->client >= vg_list_size(netplayers.list) ){
  95          vg_error( "inetmsg_playerframe: player index out of range\n" );
  96          return;
  97       }
  98
  99       if( frame->subsystem >= k_player_subsystem_max ){
 100          vg_error( "inetmsg_playerframe: subsystem out of range\n" );
 101          return;
 102       }
 103
 104       struct interp_buffer *ib = &netplayers.interp_data[ frame->client ];
 105       struct interp_frame *dest = NULL;
 106
 107       f64 min_time = INFINITY;
 108       for( u32 i=0; i<vg_list_size(ib->frames); i++ ){
 109          struct interp_frame *ifr = &ib->frames[i];
 110
 111          if( !ifr->active ){
 112             dest = ifr;
 113             break;
 114          }
 115
 116          if( ifr->timestamp < min_time ){
 117             min_time = ifr->timestamp;
 118             dest = ifr;
 119          }
 120       }
 121
 122       dest->active = 1;
 123       dest->timestamp = frame->timestamp;
 124       dest->subsystem = frame->subsystem;
 125
 126       struct network_player *player = &netplayers.list[ frame->client ];
 127       memcpy( &dest->data, frame->animdata, datasize );
 128       player->subsystem = frame->subsystem;
 129       player->down_bytes += msg->m_cbSize;
 130    }
 131    else if( tmp->inetmsg_id == k_inetmsg_playeritem ){
 132       netmsg_playeritem *item = msg->m_pData;
 133       if( !packet_minsize( msg, sizeof(*item)+1 )) return;
 134
 135       vg_info( "Client #%u equiped: [%u] %s\n",
 136                item->client, item->type, item->uid );
 137
 138       struct network_player *player = &netplayers.list[ item->client ];
 139
 140       char uid[ ADDON_UID_MAX ];
 141       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 142                          uid, ADDON_UID_MAX );
 143
 144       if( item->type == k_addon_type_board ){
 145          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 146          player->board_view_slot =
 147             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 148       }
 149       else if( item->type == k_addon_type_player ){
 150          addon_cache_unwatch( k_addon_type_player,
 151                               player->playermodel_view_slot );
 152          player->playermodel_view_slot =
 153             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 154       }
 155    }
 156 }
 157
 158 /*
 159  * Write localplayer pose to network
 160  */
 161 static void remote_player_send_playerframe(void){
 162    u8 sysid = localplayer.subsystem;
 163    if( sysid >= k_player_subsystem_max ) return;
 164
 165    struct player_subsystem_interface *sys = player_subsystems[sysid];
 166
 167    if( sys->animator_size ){
 168       u32 size = sizeof(netmsg_playerframe)+sys->animator_size;
 169       netmsg_playerframe *frame = alloca(size);
 170       frame->inetmsg_id = k_inetmsg_playerframe;
 171       frame->client = 0;
 172       frame->subsystem = localplayer.subsystem;
 173       frame->timestamp = vg.time_real;
 174       memcpy( frame->animdata, sys->animator_data, sys->animator_size );
 175
 176       netplayers.up_bytes += size;
 177
 178       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 179             hSteamNetworkingSockets, network_client.remote,
 180             frame, size,
 181             k_nSteamNetworkingSend_Unreliable, NULL );
 182    }
 183 }
 184
 185 /*
 186  * Updates network traffic stats
 187  */
 188 static void remote_player_debug_update(void){
 189    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 190       netplayers.last_data_measurement = vg.time_real;
 191       u32 total_down = 0;
 192
 193       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 194          struct network_player *player = &netplayers.list[i];
 195          if( player->active ){
 196             total_down += player->down_bytes;
 197             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 198             player->down_bytes = 0;
 199          }
 200       }
 201
 202       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 203       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 204       netplayers.up_bytes = 0;
 205    }
 206 }
 207
 208 /*
 209  * Debugging information
 210  */
 211 static void remote_player_network_imgui( m4x4f pv ){
 212    if( !network_client.network_info )
 213       return;
 214
 215    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 216    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 217
 218    char buf[512];
 219    const char *netstatus = "PROGRAMMING ERROR";
 220
 221    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 222    states[] = {
 223            { k_ESteamNetworkingConnectionState_None, "None" },
 224            { k_ESteamNetworkingConnectionState_Connecting,
 225          (const char *[]){"Connecting -",
 226                           "Connecting /",
 227                           "Connecting |",
 228                           "Connecting \\",
 229                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 230            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 231            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 232            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 233            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 234          "Problem Detected Locally" },
 235            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 236            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 237            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 238    };
 239    for( u32 i=0; i<vg_list_size(states); i ++ ){
 240       if( states[i].state == network_client.state ){
 241          netstatus = states[i].str;
 242          break;
 243       }
 244    }
 245    snprintf( buf, 512, "Network: %s", netstatus );
 246    ui_info( panel, buf );
 247    ui_info( panel, "---------------------" );
 248
 249    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 250       ui_info( panel, "#-1: localplayer" );
 251
 252       snprintf( buf, 512, "U%.1f/D%.1fkbs",
 253                 netplayers.up_kbs, netplayers.down_kbs );
 254       ui_info( panel, buf );
 255
 256       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 257          struct network_player *player = &netplayers.list[i];
 258          if( player->active ){
 259             const char *sysname = "invalid";
 260
 261             if( player->subsystem < k_player_subsystem_max ){
 262                sysname = player_subsystems[ player->subsystem ]->name;
 263             }
 264             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 265                       i, player->username, sysname, player->down_kbs );
 266             ui_info( panel, buf );
 267
 268             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 269             struct player_avatar *av = localplayer.playeravatar;
 270             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 271             m4x4_mulv( pv, wpos, wpos );
 272
 273             if( wpos[3] > 0.0f ){
 274                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 275                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 276
 277                ui_rect wr;
 278                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 279                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 280                                  -32000.0f,32000.0f);
 281                wr[2] = 300;
 282                wr[3] = 17;
 283                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 284                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 285             }
 286          }
 287       }
 288    }
 289    else {
 290       ui_info( panel, "offline" );
 291    }
 292 }
 293
 294 /*
 295  * write the remote players final_mtx
 296  */
 297 static void pose_remote_player( u32 index,
 298                                 struct interp_frame *f0,
 299                                 struct interp_frame *f1 ){
 300
 301    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 302    struct player_avatar *av = localplayer.playeravatar;
 303    struct skeleton *sk = &localplayer.playeravatar->sk;
 304    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 305
 306    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 307                                      *sys1 = NULL;
 308
 309    player_pose pose0, pose1, posed;
 310
 311    sys0->pose( &f0->data, &pose0 );
 312
 313    if( f1 ){
 314       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 315           t = vg_clampf( t, 0.0f, 1.0f );
 316
 317       sys1 = player_subsystems[f1->subsystem];
 318       sys1->pose( &f1->data, &pose1 );
 319
 320       lerp_player_pose( &pose0, &pose1, t, &posed );
 321       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 322    }
 323    else {
 324       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 325    }
 326 }
 327
 328 /*
 329  * animate remote player and store in final_mtx
 330  */
 331 static void animate_remote_player( u32 index ){
 332
 333    /*
 334     * Trys to keep the cursor inside the buffer
 335     */
 336    f64 min_time = -999999999.9,
 337        max_time =  999999999.9,
 338        abs_max_time = -999999999.9;
 339
 340    struct interp_frame *minframe = NULL,
 341                        *maxframe = NULL,
 342                        *abs_max_frame = NULL;
 343
 344    struct interp_buffer *buf = &netplayers.interp_data[index];
 345    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 346       struct interp_frame *ifr = &buf->frames[i];
 347
 348       if( ifr->active ){
 349          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 350             min_time = ifr->timestamp;
 351             minframe = ifr;
 352          }
 353
 354          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 355             max_time = ifr->timestamp;
 356             maxframe = ifr;
 357          }
 358
 359          if( ifr->timestamp > abs_max_time ){
 360             abs_max_time = ifr->timestamp;
 361             abs_max_frame = ifr;
 362          }
 363       }
 364    }
 365
 366    if( minframe && maxframe ){
 367       pose_remote_player( index, minframe, maxframe );
 368       buf->t += vg.time_frame_delta;
 369    }
 370    else {
 371       buf->t = abs_max_time - 0.25;
 372
 373       if( abs_max_frame )
 374          pose_remote_player( index, abs_max_frame, NULL );
 375       else
 376          return;
 377    }
 378 }
 379
 380 /*
 381  * Update full final_mtx for all remote players
 382  */
 383 static void animate_remote_players(void){
 384    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 385       struct network_player *player = &netplayers.list[i];
 386       if( !player->active ) continue;
 387
 388       animate_remote_player( i );
 389    }
 390 }
 391
 392 /*
 393  * Draw remote players
 394  */
 395 static void render_remote_players( world_instance *world, camera *cam ){
 396
 397    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 398
 399    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 400       struct network_player *player = &netplayers.list[i];
 401       if( !player->active ) continue;
 402
 403       struct player_avatar *av = localplayer.playeravatar;
 404       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 405
 406       struct player_model *model =
 407          addon_cache_item_if_loaded( k_addon_type_player,
 408                                      player->playermodel_view_slot );
 409
 410       if( !model ) model = &localplayer.fallback_model;
 411       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 412
 413       struct player_board *board =
 414          addon_cache_item_if_loaded( k_addon_type_board,
 415                                      player->board_view_slot );
 416
 417       /* TODO: Board pose */
 418 #if 0
 419       render_board( cam, world, board,
 420                      final_mtx[localplayer.playeravatar->id_board],
 421                      &localplayer.pose.board,
 422                      k_board_shader_player );
 423 #endif
 424    }
 425
 426    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 427 }