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