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       if( item->client >= vg_list_size(netplayers.list) ){
 136          vg_error( "inetmsg_playerframe: player index out of range\n" );
 137          return;
 138       }
 139
 140       vg_info( "Client #%u equiped: [%u] %s\n",
 141                item->client, item->type, item->uid );
 142
 143       struct network_player *player = &netplayers.list[ item->client ];
 144
 145       char uid[ ADDON_UID_MAX ];
 146       network_msgstring( item->uid, msg->m_cbSize, sizeof(*item),
 147                          uid, ADDON_UID_MAX );
 148
 149       if( item->type == k_addon_type_board ){
 150          addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
 151          player->board_view_slot =
 152             addon_cache_create_viewer_from_uid( k_addon_type_board, uid );
 153       }
 154       else if( item->type == k_addon_type_player ){
 155          addon_cache_unwatch( k_addon_type_player,
 156                               player->playermodel_view_slot );
 157          player->playermodel_view_slot =
 158             addon_cache_create_viewer_from_uid( k_addon_type_player, uid );
 159       }
 160    }
 161 }
 162
 163 /*
 164  * Write localplayer pose to network
 165  */
 166 static void remote_player_send_playerframe(void){
 167    u8 sysid = localplayer.subsystem;
 168    if( sysid >= k_player_subsystem_max ) return;
 169
 170    struct player_subsystem_interface *sys = player_subsystems[sysid];
 171
 172    if( sys->animator_size ){
 173       u32 size = sizeof(netmsg_playerframe)+sys->animator_size;
 174       netmsg_playerframe *frame = alloca(size);
 175       frame->inetmsg_id = k_inetmsg_playerframe;
 176       frame->client = 0;
 177       frame->subsystem = localplayer.subsystem;
 178       frame->timestamp = vg.time_real;
 179       memcpy( frame->animdata, sys->animator_data, sys->animator_size );
 180
 181       netplayers.up_bytes += size;
 182
 183       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 184             hSteamNetworkingSockets, network_client.remote,
 185             frame, size,
 186             k_nSteamNetworkingSend_Unreliable, NULL );
 187    }
 188 }
 189
 190 /*
 191  * Updates network traffic stats
 192  */
 193 static void remote_player_debug_update(void){
 194    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 195       netplayers.last_data_measurement = vg.time_real;
 196       u32 total_down = 0;
 197
 198       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 199          struct network_player *player = &netplayers.list[i];
 200          if( player->active ){
 201             total_down += player->down_bytes;
 202             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 203             player->down_bytes = 0;
 204          }
 205       }
 206
 207       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 208       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 209       netplayers.up_bytes = 0;
 210    }
 211 }
 212
 213 /*
 214  * Debugging information
 215  */
 216 static void remote_player_network_imgui( m4x4f pv ){
 217    if( !network_client.network_info )
 218       return;
 219
 220    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 221    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 222
 223    char buf[512];
 224    const char *netstatus = "PROGRAMMING ERROR";
 225
 226    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 227    states[] = {
 228            { k_ESteamNetworkingConnectionState_None, "None" },
 229            { k_ESteamNetworkingConnectionState_Connecting,
 230          (const char *[]){"Connecting -",
 231                           "Connecting /",
 232                           "Connecting |",
 233                           "Connecting \\",
 234                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 235            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 236            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 237            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 238            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 239          "Problem Detected Locally" },
 240            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 241            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 242            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 243    };
 244    for( u32 i=0; i<vg_list_size(states); i ++ ){
 245       if( states[i].state == network_client.state ){
 246          netstatus = states[i].str;
 247          break;
 248       }
 249    }
 250    snprintf( buf, 512, "Network: %s", netstatus );
 251    ui_info( panel, buf );
 252    ui_info( panel, "---------------------" );
 253
 254    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 255       ui_info( panel, "#-1: localplayer" );
 256
 257       snprintf( buf, 512, "U%.1f/D%.1fkbs",
 258                 netplayers.up_kbs, netplayers.down_kbs );
 259       ui_info( panel, buf );
 260
 261       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 262          struct network_player *player = &netplayers.list[i];
 263          if( player->active ){
 264             const char *sysname = "invalid";
 265
 266             if( player->subsystem < k_player_subsystem_max ){
 267                sysname = player_subsystems[ player->subsystem ]->name;
 268             }
 269             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 270                       i, player->username, sysname, player->down_kbs );
 271             ui_info( panel, buf );
 272
 273             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 274             struct player_avatar *av = localplayer.playeravatar;
 275             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 276             m4x4_mulv( pv, wpos, wpos );
 277
 278             if( wpos[3] > 0.0f ){
 279                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 280                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 281
 282                ui_rect wr;
 283                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 284                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 285                                  -32000.0f,32000.0f);
 286                wr[2] = 300;
 287                wr[3] = 17;
 288                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 289                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 290             }
 291          }
 292       }
 293    }
 294    else {
 295       ui_info( panel, "offline" );
 296    }
 297 }
 298
 299 /*
 300  * write the remote players final_mtx
 301  */
 302 static void pose_remote_player( u32 index,
 303                                 struct interp_frame *f0,
 304                                 struct interp_frame *f1 ){
 305
 306    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 307    struct player_avatar *av = localplayer.playeravatar;
 308    struct skeleton *sk = &localplayer.playeravatar->sk;
 309    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 310
 311    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 312                                      *sys1 = NULL;
 313
 314    player_pose pose0, pose1, posed;
 315
 316    sys0->pose( &f0->data, &pose0 );
 317
 318    if( f1 ){
 319       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 320           t = vg_clampf( t, 0.0f, 1.0f );
 321
 322       sys1 = player_subsystems[f1->subsystem];
 323       sys1->pose( &f1->data, &pose1 );
 324
 325       lerp_player_pose( &pose0, &pose1, t, &posed );
 326       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 327    }
 328    else {
 329       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 330    }
 331 }
 332
 333 /*
 334  * animate remote player and store in final_mtx
 335  */
 336 static void animate_remote_player( u32 index ){
 337
 338    /*
 339     * Trys to keep the cursor inside the buffer
 340     */
 341    f64 min_time = -999999999.9,
 342        max_time =  999999999.9,
 343        abs_max_time = -999999999.9;
 344
 345    struct interp_frame *minframe = NULL,
 346                        *maxframe = NULL,
 347                        *abs_max_frame = NULL;
 348
 349    struct interp_buffer *buf = &netplayers.interp_data[index];
 350    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 351       struct interp_frame *ifr = &buf->frames[i];
 352
 353       if( ifr->active ){
 354          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 355             min_time = ifr->timestamp;
 356             minframe = ifr;
 357          }
 358
 359          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 360             max_time = ifr->timestamp;
 361             maxframe = ifr;
 362          }
 363
 364          if( ifr->timestamp > abs_max_time ){
 365             abs_max_time = ifr->timestamp;
 366             abs_max_frame = ifr;
 367          }
 368       }
 369    }
 370
 371    if( minframe && maxframe ){
 372       pose_remote_player( index, minframe, maxframe );
 373       buf->t += vg.time_frame_delta;
 374    }
 375    else {
 376       buf->t = abs_max_time - 0.25;
 377
 378       if( abs_max_frame )
 379          pose_remote_player( index, abs_max_frame, NULL );
 380       else
 381          return;
 382    }
 383 }
 384
 385 /*
 386  * Update full final_mtx for all remote players
 387  */
 388 static void animate_remote_players(void){
 389    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 390       struct network_player *player = &netplayers.list[i];
 391       if( !player->active ) continue;
 392
 393       animate_remote_player( i );
 394    }
 395 }
 396
 397 /*
 398  * Draw remote players
 399  */
 400 static void render_remote_players( world_instance *world, camera *cam ){
 401
 402    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 403
 404    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 405       struct network_player *player = &netplayers.list[i];
 406       if( !player->active ) continue;
 407
 408       struct player_avatar *av = localplayer.playeravatar;
 409       m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*i ];
 410
 411       struct player_model *model =
 412          addon_cache_item_if_loaded( k_addon_type_player,
 413                                      player->playermodel_view_slot );
 414
 415       if( !model ) model = &localplayer.fallback_model;
 416       render_playermodel( cam, world, 0, model, &av->sk, final_mtx );
 417
 418       struct player_board *board =
 419          addon_cache_item_if_loaded( k_addon_type_board,
 420                                      player->board_view_slot );
 421
 422       /* TODO: Board pose */
 423 #if 0
 424       render_board( cam, world, board,
 425                      final_mtx[localplayer.playeravatar->id_board],
 426                      &localplayer.pose.board,
 427                      k_board_shader_player );
 428 #endif
 429    }
 430
 431    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 432 }