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