summaryrefslogblamecommitdiffstats
path: root/source/cClientHandle.cpp
blob: 0eb6219205a92229a92fbab0dc40ff75d064729b (plain) (tree)
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568



















                                                                                              
                  
































































































































































































































































































                                                                                                                                                                      
                                                                                                   

























































































































































































































































































































































































                                                                                                                                                                          
                                                                                                












































































































                                                                                                                                                           
                                                                                                                                 



























































































































                                                                                                                                                                         
                                                                                                                











































                                                                                                                                                         
                                                 
































































                                                                                                                                              
                                                                                                                                                            


                                                                                                                                                                        
                                                                           
                                                              






                                                           


                                                        
                
                                                                                                                              
                 
                                                      
                         















                                                           


                                                















































































































































                                                                                                                                                                                      




                                                                                                









                                                                                                                       




                                                                                             








































































































































































































































































































































                                                                                                                                                                 
                                                                

















                                                                   
                                                                                                                                  

































































































































































































































































                                                                                                                                                                                      
                                                                                                       










































































































































































































































































                                                                                                                                                                                                       

 

#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules

#include "cClientHandle.h"
#include "cServer.h"
#include "cWorld.h"
#include "cPickup.h"
#include "cPluginManager.h"
#include "cPlayer.h"
#include "cInventory.h"
#include "cChestEntity.h"
#include "cSignEntity.h"
#include "cWindow.h"
#include "cCraftingWindow.h"
#include "cItem.h"
#include "cTorch.h"
#include "cStairs.h"
#include "cStep.h"
#include "cDoors.h"
#include "cLadder.h"
#include "cVine.h"
#include "cSign.h"
#include "cRedstone.h"
#include "cPiston.h"
#include "cBlockToPickup.h"
#include "cMonster.h"
#include "cChatColor.h"
#include "cSocket.h"
#include "cTimer.h"

#include "cTracer.h"
#include "Vector3f.h"
#include "Vector3d.h"

#include "cSleep.h"
#include "cRoot.h"

#include "cBlockingTCPLink.h"
#include "cAuthenticator.h"
#include "MersenneTwister.h"

#include "packets/cPacket_KeepAlive.h"
#include "packets/cPacket_Respawn.h"
#include "packets/cPacket_UpdateHealth.h"
#include "packets/cPacket_RelativeEntityMoveLook.h"
#include "packets/cPacket_Chat.h"
#include "packets/cPacket_Login.h"
#include "packets/cPacket_WindowClick.h"
#include "packets/cPacket_TimeUpdate.h"
#include "packets/cPacket_BlockDig.h"
#include "packets/cPacket_Handshake.h"
#include "packets/cPacket_ArmAnim.h"
#include "packets/cPacket_BlockPlace.h"
#include "packets/cPacket_Flying.h"
#include "packets/cPacket_Disconnect.h"
#include "packets/cPacket_PickupSpawn.h"
#include "packets/cPacket_ItemSwitch.h"
#include "packets/cPacket_EntityEquipment.h"
#include "packets/cPacket_CreativeInventoryAction.h"
#include "packets/cPacket_NewInvalidState.h"
#include "packets/cPacket_UseEntity.h"
#include "packets/cPacket_WindowClose.h"
#include "packets/cPacket_13.h"
#include "packets/cPacket_UpdateSign.h"
#include "packets/cPacket_Ping.h"
#include "packets/cPacket_NamedEntitySpawn.h"
#include "packets/cPacket_MapChunk.h"
#include "packets/cPacket_PreChunk.h"

// DEBUG:
#include "packets/cPacket_BlockChange.h"
#include "packets/cPacket_MultiBlock.h"





#define AddPistonDir(x, y, z, dir, amount) switch (dir) { case 0: (y)-=(amount); break; case 1: (y)+=(amount); break;\
													 case 2: (z)-=(amount); break; case 3: (z)+=(amount); break;\
													 case 4: (x)-=(amount); break; case 5: (x)+=(amount); break; }





/// If the number of queued outgoing packets reaches this, the client will be kicked
#define MAX_OUTGOING_PACKETS 2000





#define RECI_RAND_MAX (1.f/RAND_MAX)
inline int fRadRand(MTRand & r1, int a_BlockCoord)
{
	return a_BlockCoord * 32 + (int)(16 * ((float)r1.rand() * RECI_RAND_MAX) * 16 - 8);
}





int cClientHandle::s_ClientCount = 0;





///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cClientHandle:

cClientHandle::cClientHandle(const cSocket & a_Socket, int a_ViewDistance)
	: m_ViewDistance(a_ViewDistance)
	, m_ProtocolVersion(MCS_PROTOCOL_VERSION)
	, m_Socket(a_Socket)
	, m_bDestroyed(false)
	, m_Player(NULL)
	, m_bKicking(false)
	, m_TimeLastPacket(cWorld::GetTime())
	, m_bKeepThreadGoing(true)
	, m_Ping(1000)
	, m_State(csConnected)
	, m_LastStreamedChunkX(0x7fffffff)  // bogus chunk coords to force streaming upon login
	, m_LastStreamedChunkZ(0x7fffffff)
	, m_UniqueID(0)
{
	s_ClientCount++;	// Not protected by CS because clients are always constructed from the same thread
	m_UniqueID = s_ClientCount;

	cTimer t1;
	m_LastPingTime = t1.GetNowTime();

	// All the packets that can be received from the client
	for (int i = 0; i < ARRAYCOUNT(m_PacketMap); ++i)
	{
		m_PacketMap[i] = NULL;
	}
	m_PacketMap[E_KEEP_ALIVE]                = new cPacket_KeepAlive;
	m_PacketMap[E_HANDSHAKE]                 = new cPacket_Handshake;
	m_PacketMap[E_LOGIN]                     = new cPacket_Login;
	m_PacketMap[E_PLAYERPOS]                 = new cPacket_PlayerPosition;
	m_PacketMap[E_PLAYERLOOK]                = new cPacket_PlayerLook;
	m_PacketMap[E_PLAYERMOVELOOK]            = new cPacket_PlayerMoveLook;
	m_PacketMap[E_PLAYER_ABILITIES]          = new cPacket_PlayerAbilities;
	m_PacketMap[E_CHAT]                      = new cPacket_Chat;
	m_PacketMap[E_ANIMATION]                 = new cPacket_ArmAnim;
	m_PacketMap[E_FLYING]                    = new cPacket_Flying;
	m_PacketMap[E_BLOCK_DIG]                 = new cPacket_BlockDig;
	m_PacketMap[E_BLOCK_PLACE]               = new cPacket_BlockPlace;
	m_PacketMap[E_DISCONNECT]                = new cPacket_Disconnect;
	m_PacketMap[E_ITEM_SWITCH]               = new cPacket_ItemSwitch;
	m_PacketMap[E_ENTITY_EQUIPMENT]          = new cPacket_EntityEquipment;
	m_PacketMap[E_CREATIVE_INVENTORY_ACTION] = new cPacket_CreativeInventoryAction;
	m_PacketMap[E_NEW_INVALID_STATE]         = new cPacket_NewInvalidState;
	m_PacketMap[E_PICKUP_SPAWN]              = new cPacket_PickupSpawn;
	m_PacketMap[E_USE_ENTITY]                = new cPacket_UseEntity;
	m_PacketMap[E_WINDOW_CLOSE]              = new cPacket_WindowClose;
	m_PacketMap[E_WINDOW_CLICK]              = new cPacket_WindowClick;
	m_PacketMap[E_PACKET_13]                 = new cPacket_13;
	m_PacketMap[E_UPDATE_SIGN]               = new cPacket_UpdateSign;
	m_PacketMap[E_RESPAWN]                   = new cPacket_Respawn;
	m_PacketMap[E_PING]                      = new cPacket_Ping;

	LOG("New ClientHandle created at %p", this);
}





cClientHandle::~cClientHandle()
{
	LOG("Deleting client \"%s\" at %p", GetUsername().c_str(), this);

	// Remove from cSocketThreads, we're not to be called anymore:
	cRoot::Get()->GetServer()->ClientDestroying(this);
	
	{
		cCSLock Lock(m_CSChunkLists);
		m_LoadedChunks.clear();
		m_ChunksToSend.clear();
	}

	if (m_Player != NULL)
	{
		cWorld * World = m_Player->GetWorld();
		if (!m_Username.empty() && (World != NULL))
		{
			// Send the Offline PlayerList packet:
			AString NameColor = (m_Player ? m_Player->GetColor() : "");
			cPacket_PlayerListItem PlayerList(NameColor + GetUsername(), false, (short)9999);
			World->Broadcast(PlayerList, this);

			// Send the Chat packet:
			cPacket_Chat Left(m_Username + " left the game!");
			World->Broadcast(Left, this);
		}
		if (World != NULL)
		{
			World->RemovePlayer(m_Player);
		}
	}

	if (m_Socket.IsValid())
	{
		cPacket_Disconnect Disconnect;
		Disconnect.m_Reason = "Server shut down? Kthnxbai";
		m_Socket.Send(&Disconnect);
	}
	
	if (m_Player != NULL)
	{
		m_Player->Destroy();
		m_Player = NULL;
	}
	for (int i = 0; i < ARRAYCOUNT(m_PacketMap); i++)
	{
		delete m_PacketMap[i];
	}

	// Queue all remaining outgoing packets to cSocketThreads:
	{
		cCSLock Lock(m_CSPackets);
		for (PacketList::iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr)
		{
			AString Data;
			(*itr)->Serialize(Data);
			cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data);
			delete *itr;
		}
		m_PendingNrmSendPackets.clear();
		for (PacketList::iterator itr = m_PendingLowSendPackets.begin(); itr != m_PendingLowSendPackets.end(); ++itr)
		{
			AString Data;
			(*itr)->Serialize(Data);
			cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data);
			delete *itr;
		}
		m_PendingLowSendPackets.clear();
	}
	
	// Queue the socket to close as soon as it sends all outgoing data:
	cRoot::Get()->GetServer()->QueueClientClose(&m_Socket);
	
	// We need to remove the socket from SocketThreads because we own it and it gets destroyed after this destructor finishes
	// TODO: The socket needs to stay alive, someone else has to own it
	cRoot::Get()->GetServer()->RemoveClient(&m_Socket);
	
	LOG("ClientHandle at %p deleted", this);
}





void cClientHandle::Destroy()
{
	// Setting m_bDestroyed was moved to the bottom of Destroy(), 
	// otherwise the destructor may be called within another thread before the client is removed from chunks
	// http://forum.mc-server.org/showthread.php?tid=366
	
	if ((m_Player != NULL) && (m_Player->GetWorld() != NULL))
	{
		RemoveFromAllChunks();
		m_Player->GetWorld()->RemoveClientFromChunkSender(this);
	}

	m_bDestroyed = true;
}





void cClientHandle::Kick(const AString & a_Reason)
{
	if (m_State >= csAuthenticating)  // Don't log pings
	{
		LOG("Kicking user \"%s\" for \"%s\"", m_Username.c_str(), a_Reason.c_str());
	}
	Send(cPacket_Disconnect(a_Reason));
	m_bKicking = true;
}





void cClientHandle::Authenticate(void)
{
	if (m_State != csAuthenticating)
	{
		return;
	}
	
	ASSERT( m_Player == NULL );

	// Spawn player (only serversided, so data is loaded)
	m_Player = new cPlayer(this, GetUsername());

	cWorld * World = cRoot::Get()->GetWorld(m_Player->GetLoadedWorldName());
	if (World == NULL)
	{
		World = cRoot::Get()->GetDefaultWorld();
	}
	
	m_Player->LoginSetGameMode (World->GetGameMode()); //set player's gamemode to server's gamemode at login. TODO: set to last player's gamemode at logout

	m_Player->SetIP (m_Socket.GetIPString());

	cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_PLAYER_SPAWN, 1, m_Player);

	// Return a server login packet
	cPacket_Login LoginResponse;
	LoginResponse.m_ProtocolVersion = m_Player->GetUniqueID();
	//LoginResponse.m_Username = "";
	LoginResponse.m_ServerMode = m_Player->GetGameMode();  // set gamemode from player.
	LoginResponse.m_Dimension = 0;
	LoginResponse.m_MaxPlayers = (unsigned char)cRoot::Get()->GetDefaultWorld()->GetMaxPlayers();
	LoginResponse.m_Difficulty = 2;
	Send(LoginResponse);

	// Send Weather if raining:
	if ((World->GetWeather() == 1) || (World->GetWeather() == 2))
	{
		cPacket_NewInvalidState RainPacket;
		RainPacket.m_Reason = 1; //begin rain
		Send(RainPacket);
	}

	// Send time
	Send(cPacket_TimeUpdate(World->GetWorldTime()));

	// Send inventory
	m_Player->GetInventory().SendWholeInventory(this);

	// Send health
	cPacket_UpdateHealth Health;
	Health.m_Health = (short)m_Player->GetHealth();
	Health.m_Food = m_Player->GetFood();
	Health.m_Saturation = m_Player->GetFoodSaturation();
	Send(Health);
	
	m_Player->Initialize(World);
	StreamChunks();
	m_State = csDownloadingWorld;
}





void cClientHandle::StreamChunks(void)
{
	if (m_State < csAuthenticating)
	{
		return;
	}

	ASSERT(m_Player != NULL);
	
	int ChunkPosX = FAST_FLOOR_DIV(m_Player->GetPosX(), cChunkDef::Width);
	int ChunkPosZ = FAST_FLOOR_DIV(m_Player->GetPosZ(), cChunkDef::Width);
	if ((ChunkPosX == m_LastStreamedChunkX) && (ChunkPosZ == m_LastStreamedChunkZ))
	{
		// Already streamed for this position
		return;
	}
	m_LastStreamedChunkX = ChunkPosX;
	m_LastStreamedChunkZ = ChunkPosZ;
	
	LOGD("Streaming chunks centered on [%d, %d], view distance %d", ChunkPosX, ChunkPosZ, m_ViewDistance);
	
	cWorld * World = m_Player->GetWorld();
	ASSERT(World != NULL);

	// Remove all loaded chunks that are no longer in range; deferred to out-of-CS:
	cChunkCoordsList RemoveChunks;
	{
		cCSLock Lock(m_CSChunkLists);
		for (cChunkCoordsList::iterator itr = m_LoadedChunks.begin(); itr != m_LoadedChunks.end();)
		{
			int RelX = (*itr).m_ChunkX - ChunkPosX;
			int RelZ = (*itr).m_ChunkZ - ChunkPosZ;
			if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance))
			{
				RemoveChunks.push_back(*itr);
				itr = m_LoadedChunks.erase(itr);
			}
			else
			{
				++itr;
			}
		}  // for itr - m_LoadedChunks[]
		for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end();)
		{
			int RelX = (*itr).m_ChunkX - ChunkPosX;
			int RelZ = (*itr).m_ChunkZ - ChunkPosZ;
			if ((RelX > m_ViewDistance) || (RelX < -m_ViewDistance) || (RelZ > m_ViewDistance) || (RelZ < -m_ViewDistance))
			{
				itr = m_ChunksToSend.erase(itr);
			}
			else
			{
				++itr;
			}
		}  // for itr - m_ChunksToSend[]
	}
	for (cChunkCoordsList::iterator itr = RemoveChunks.begin(); itr != RemoveChunks.end(); ++itr)
	{
		World->RemoveChunkClient(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ, this);
		Send(cPacket_PreChunk(itr->m_ChunkX, itr->m_ChunkZ, false));
	}  // for itr - RemoveChunks[]
	
	// Add all chunks that are in range and not yet in m_LoadedChunks:
	// Queue these smartly - from the center out to the edge
	for (int d = 0; d <= m_ViewDistance; ++d)  // cycle through (square) distance, from nearest to furthest
	{
		// For each distance add chunks in a hollow square centered around current position:
		for (int i = -d; i <= d; ++i)
		{
			StreamChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i);
			StreamChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i);
		}  // for i
		for (int i = -d + 1; i < d; ++i)
		{
			StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d);
			StreamChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d);
		}  // for i
	}  // for d
	
	// Touch chunks GENERATEDISTANCE ahead to let them generate:
	for (int d = m_ViewDistance + 1; d <= m_ViewDistance + GENERATEDISTANCE; ++d)  // cycle through (square) distance, from nearest to furthest
	{
		// For each distance touch chunks in a hollow square centered around current position:
		for (int i = -d; i <= d; ++i)
		{
			World->TouchChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i);
			World->TouchChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i);
		}  // for i
		for (int i = -d + 1; i < d; ++i)
		{
			World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d);
			World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d);
		}  // for i
	}  // for d
}




void cClientHandle::StreamChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
{
	cWorld * World = m_Player->GetWorld();
	ASSERT(World != NULL);

	if (World->AddChunkClient(a_ChunkX, a_ChunkY, a_ChunkZ, this))
	{
		{
			cCSLock Lock(m_CSChunkLists);
			m_LoadedChunks.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
			m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
		}
		World->SendChunkTo(a_ChunkX, a_ChunkY, a_ChunkZ, this);
	}
}





// Removes the client from all chunks. Used when switching worlds or destroying the player
void cClientHandle::RemoveFromAllChunks()
{
	cWorld * World = m_Player->GetWorld();
	if (World != NULL)
	{
		World->RemoveClientFromChunks(this);
	}
	
	{
		cCSLock Lock(m_CSChunkLists);
		m_LoadedChunks.clear();
		m_ChunksToSend.clear();
	}
}





void cClientHandle::HandlePacket(cPacket * a_Packet)
{
	m_TimeLastPacket = cWorld::GetTime();

	// LOG("Recv packet 0x%02x from client \"%s\" (\"%s\")", a_Packet->m_PacketID, m_Socket.GetIPString().c_str(), m_Username.c_str());

	if (m_bKicking)
	{
		return;
	}

	switch (m_State)
	{
		case csConnected:
		{
			switch (a_Packet->m_PacketID)
			{
				case E_NEW_INVALID_STATE: // New/Invalid State packet received. I'm guessing the client only sends it when there's a problem with the bed?
				{
					LOGINFO("Got New Invalid State packet");
					break;
				}
				case E_PING:           HandlePing     (); break;
				case E_HANDSHAKE:      HandleHandshake(reinterpret_cast<cPacket_Handshake *>(a_Packet)); break;
				case E_LOGIN:          HandleLogin    (reinterpret_cast<cPacket_Login *>    (a_Packet)); break;
				
				// Ignored packets:
				case E_PLAYERLOOK:
				case E_CHAT:
				case E_PLAYERMOVELOOK:
				case E_PLAYERPOS:
				case E_KEEP_ALIVE:     break;
				default:               HandleUnexpectedPacket(a_Packet); break;
			}  // switch (PacketType)
			break;
		}  // case csConnected
		
		case csAuthenticating:
		{
			// Waiting for external authentication, no packets are handled
			switch (a_Packet->m_PacketID)
			{
				// Ignored packets:
				case E_KEEP_ALIVE:
				case E_CHAT:
				case E_FLYING:
				case E_PLAYERLOOK:
				case E_PLAYERMOVELOOK:
				case E_PLAYERPOS: break;
				
				default: HandleUnexpectedPacket(a_Packet); break;
			}
			break;
		}
		
		case csDownloadingWorld:
		{
			// Waiting for chunks to stream to client, no packets are handled
			switch (a_Packet->m_PacketID)
			{
				// Ignored packets:
				case E_KEEP_ALIVE:
				case E_CHAT:
				case E_FLYING:
				case E_PLAYERLOOK:
				case E_PLAYERMOVELOOK:
				case E_PLAYERPOS: break;
				
				default: HandleUnexpectedPacket(a_Packet); break;
			}
			break;
		}
		
		case csConfirmingPos:
		{
			switch (a_Packet->m_PacketID)
			{
				// Ignored packets:
				case E_KEEP_ALIVE:
				case E_CHAT:
				case E_FLYING:
				case E_PLAYERLOOK:
				case E_PLAYERPOS: break;

				case E_PLAYERMOVELOOK: HandleMoveLookConfirm(reinterpret_cast<cPacket_PlayerMoveLook *>(a_Packet)); break;

				default:
				{
					HandleUnexpectedPacket(a_Packet);
					break;
				}
			}  // switch (PacketType)
			break;
		}  // case csConfirmingPos
		
		case csPlaying:
		{
			switch (a_Packet->m_PacketID)
			{
				case E_CREATIVE_INVENTORY_ACTION: HandleCreativeInventory(reinterpret_cast<cPacket_CreativeInventoryAction *>(a_Packet)); break;
				case E_PLAYERPOS:                 HandlePlayerPos        (reinterpret_cast<cPacket_PlayerPosition *>         (a_Packet)); break;
				case E_BLOCK_DIG:                 HandleBlockDig         (reinterpret_cast<cPacket_BlockDig *>               (a_Packet)); break;
				case E_BLOCK_PLACE:               HandleBlockPlace       (reinterpret_cast<cPacket_BlockPlace *>             (a_Packet)); break;
				case E_PICKUP_SPAWN:              HandlePickupSpawn      (reinterpret_cast<cPacket_PickupSpawn *>            (a_Packet)); break;
				case E_CHAT:                      HandleChat             (reinterpret_cast<cPacket_Chat *>                   (a_Packet)); break;
				case E_PLAYERLOOK:                HandlePlayerLook       (reinterpret_cast<cPacket_PlayerLook *>             (a_Packet)); break;
				case E_PLAYERMOVELOOK:            HandlePlayerMoveLook   (reinterpret_cast<cPacket_PlayerMoveLook *>         (a_Packet)); break;
				case E_ANIMATION:                 HandleAnimation        (reinterpret_cast<cPacket_ArmAnim *>                (a_Packet)); break;
				case E_ITEM_SWITCH:               HandleItemSwitch       (reinterpret_cast<cPacket_ItemSwitch *>             (a_Packet)); break;
				case E_WINDOW_CLOSE:              HandleWindowClose      (reinterpret_cast<cPacket_WindowClose *>            (a_Packet)); break;
				case E_WINDOW_CLICK:              HandleWindowClick      (reinterpret_cast<cPacket_WindowClick *>            (a_Packet)); break;
				case E_UPDATE_SIGN:               HandleUpdateSign       (reinterpret_cast<cPacket_UpdateSign *>             (a_Packet)); break;
				case E_USE_ENTITY:                HandleUseEntity        (reinterpret_cast<cPacket_UseEntity *>              (a_Packet)); break;
				case E_RESPAWN:                   HandleRespawn(); break;
				case E_DISCONNECT:                HandleDisconnect       (reinterpret_cast<cPacket_Disconnect *>             (a_Packet)); break;
				case E_KEEP_ALIVE:                HandleKeepAlive        (reinterpret_cast<cPacket_KeepAlive *>              (a_Packet)); break;
			}  // switch (Packet type)
			break;
		}  // case csPlaying
	}  // switch (m_State)
}





void cClientHandle::HandlePing(void)
{
	// Somebody tries to retrieve information about the server
	AString Reply;
	Printf(Reply, "%s%s%i%s%i", 
		cRoot::Get()->GetDefaultWorld()->GetDescription().c_str(), 
		cChatColor::Delimiter.c_str(), 
		cRoot::Get()->GetDefaultWorld()->GetNumPlayers(),
		cChatColor::Delimiter.c_str(), 
		cRoot::Get()->GetDefaultWorld()->GetMaxPlayers()
	);
	Kick(Reply.c_str());
}





void cClientHandle::HandleHandshake(cPacket_Handshake * a_Packet)
{
	AStringVector UserData = StringSplit( a_Packet->m_Username, ";" ); // "FakeTruth;localhost:25565"
	if( UserData.size() == 0 )
	{
		Kick("Could not receive username");
		return;
	}
	m_Username = UserData[0];

	LOG("HANDSHAKE %s", m_Username.c_str());

	if (cRoot::Get()->GetDefaultWorld()->GetNumPlayers() >= cRoot::Get()->GetDefaultWorld()->GetMaxPlayers())
	{
		Kick("The server is currently full :(-- Try again later");
		return;
	}
	cPacket_Chat Connecting(m_Username + " is connecting.");
	cRoot::Get()->GetServer()->Broadcast(Connecting, this);

	cPacket_Handshake Handshake;
	Handshake.m_Username = cRoot::Get()->GetServer()->GetServerID();
	Send(Handshake);
	LOG("User \"%s\" was sent a handshake", m_Username.c_str());
}





void cClientHandle::HandleLogin(cPacket_Login * a_Packet)
{
	LOG("LOGIN %s", m_Username.c_str());
	if (a_Packet->m_ProtocolVersion < m_ProtocolVersion)
	{
		Kick("Your client is outdated!");
		return;
	}
	else if (a_Packet->m_ProtocolVersion > m_ProtocolVersion)
	{
		Kick("Your client version is higher than the server!");
		return;
	}
	if (m_Username.compare(a_Packet->m_Username) != 0)
	{
		LOGWARNING("Login Username (\"%s\") does not match Handshake username (\"%s\") for client \"%s\")",
			a_Packet->m_Username.c_str(),
			m_Username.c_str(),
			m_Socket.GetIPString().c_str()
		);
		Kick("Hacked client");  // Don't tell them why we don't want them
		return;
	}

	if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_LOGIN, 1, a_Packet))
	{
		Destroy();
		return;
	}

	// Schedule for authentication; until then, let them wait (but do not block)
	m_State = csAuthenticating;
	cRoot::Get()->GetAuthenticator().Authenticate(GetUniqueID(), GetUsername(), cRoot::Get()->GetServer()->GetServerID());
}





void cClientHandle::HandleUnexpectedPacket(cPacket * a_Packet)
{
	LOGWARNING(
		"Invalid packet in state %d: 0x%02x from client \"%s\", username \"%s\"", 
		m_State,
		a_Packet->m_PacketID,
		m_Socket.GetIPString().c_str(),
		m_Username.c_str()
	);
	Kick("Hacked client");  // Don't tell them why we don't like them
}





void cClientHandle::HandleMoveLookConfirm(cPacket_PlayerMoveLook * a_Packet)
{
	Vector3d ReceivedPosition = Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);

	// Test the distance between points with a small/large enough value instead of comparing directly. Floating point inaccuracies might screw stuff up
	double Dist = (ReceivedPosition - m_ConfirmPosition).SqrLength();
	if (Dist < 1.0)
	{
		// Test
		if (ReceivedPosition.Equals(m_ConfirmPosition))
		{
			LOGINFO("Exact position confirmed by client!");
		}
		m_State = csPlaying;
	}
	else
	{
		LOGWARNING("Player \"%s\" sent a weird position confirmation %.2f blocks away, retrying", m_Username.c_str(), Dist);
		m_ConfirmPosition = m_Player->GetPosition();
		Send(cPacket_PlayerMoveLook(m_Player));
	}
}





void cClientHandle::HandleCreativeInventory(cPacket_CreativeInventoryAction * a_Packet)
{
	// This is for creative Inventory changes
	if (m_Player->GetGameMode() == 1)
	{
		m_Player->GetInventory().Clicked(a_Packet);
	}
	else
	{
		LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str());
	}
}





void cClientHandle::HandlePlayerPos(cPacket_PlayerPosition * a_Packet)
{
	// LOG("recv player pos: %0.2f %0.2f %0.2f", PacketData->m_PosX, PacketData->m_PosY, PacketData->m_PosZ);
	m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ));
	m_Player->SetStance(a_Packet->m_Stance);
	m_Player->SetTouchGround(a_Packet->m_bFlying);
}





void cClientHandle::HandleBlockDig(cPacket_BlockDig * a_Packet)
{
	if (!CheckBlockInteractionsRate())
	{
		return;
	}

	LOGD("OnBlockDig: {%i, %i, %i} Dir: %i Stat: %i",
		a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, 
		a_Packet->m_Direction, a_Packet->m_Status
	);

	// Do we want plugins to disable tossing items? Probably no, so toss item before asking plugins for permission
	if (a_Packet->m_Status == 0x04)  // Drop held item
	{
		m_Player->TossItem(false);
		return;
	}
	
	cWorld* World = m_Player->GetWorld();
	BLOCKTYPE  OldBlock = World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
	NIBBLETYPE OldMeta  = World->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);

	if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_BLOCK_DIG, 4, a_Packet, m_Player, OldBlock, OldMeta))
	{
		// The plugin doesn't agree with the digging, replace the block on the client and quit:
		World->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player);
		return;
	}
	
	bool bBroken = (
		(a_Packet->m_Status == 0x02) || 
		(g_BlockOneHitDig[(int)OldBlock]) || 
		((a_Packet->m_Status == 0x00) && (m_Player->GetGameMode() == 1))
	);

	if ((OldBlock == E_BLOCK_WOODEN_DOOR) && !bBroken)
	{
		cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
	}

	cItems PickupItems;
	if (bBroken && !(m_Player->GetGameMode() == 1)) // broken
	{
		cBlockToPickup::ToPickup(OldBlock, OldMeta, m_Player->GetInventory().GetEquippedItem(), PickupItems);
		
		// Allow plugins to change the dropped objects:
		cRoot::Get()->GetPluginManager()->CallHookBlockToPickup(OldBlock, OldMeta, m_Player, m_Player->GetInventory().GetEquippedItem(), PickupItems);
	}
	
	int pX = a_Packet->m_PosX;
	unsigned char pY = a_Packet->m_PosY;
	int pZ = a_Packet->m_PosZ;

	AddDirection(pX, pY, pZ, a_Packet->m_Direction);

	char PossibleBlock = World->GetBlock(pX, pY, pZ);

	if (PossibleBlock == E_BLOCK_FIRE)
	{
		a_Packet->m_PosX = pX;
		a_Packet->m_PosY = pY;
		a_Packet->m_PosZ = pZ;
		bBroken = true;
	}

	if (!bBroken)
	{
		return;
	}
	
	if (!World->DigBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ))
	{
		return;
	}
	
	World->SpawnItemPickups(PickupItems, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
	
	switch (OldBlock)
	{
		case E_BLOCK_REDSTONE_TORCH_ON:
		case E_BLOCK_REDSTONE_TORCH_OFF:
		case E_BLOCK_REDSTONE_WIRE:
		{
			cRedstone Redstone(World);
			Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, false);
			break;
		}
	}
	
	if ((OldBlock == E_BLOCK_PISTON) || (OldBlock == E_BLOCK_STICKY_PISTON))
	{
		int newX = a_Packet->m_PosX;
		int newY = a_Packet->m_PosY;
		int newZ = a_Packet->m_PosZ;
		AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1);
		if (World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION)
		{
			World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0);
		}
	}

	if (cDoors::IsDoor(OldBlock))
	{
		// Special actions for destroyed door (Destroy second part)
		if (OldMeta & 8)
		{
			// Was upper part of door
			if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ)))
			{
				World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY - 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
			}
		}
		else
		{
			// Was lower part
			if (cDoors::IsDoor(World->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ)))
			{
				World->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
			}
		}
	}
	
	m_Player->UseEquippedItem();
}





void cClientHandle::HandleBlockPlace(cPacket_BlockPlace * a_Packet)
{
	if (!CheckBlockInteractionsRate())
	{
		return;
	}
	
	cItem & Equipped = m_Player->GetInventory().GetEquippedItem();

	if ((Equipped.m_ItemID != a_Packet->m_ItemType))	// Not valid
	{
		LOGWARN("Player %s tried to place a block that was not equipped (exp %d, got %d)",
			m_Username.c_str(), Equipped.m_ItemID, a_Packet->m_ItemType
		);
		// TODO: We should probably send the current world block to the client, so that it can immediately "let the user know" that they haven't placed the block
		return;
	}

	if (cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_BLOCK_PLACE, 2, a_Packet, m_Player))
	{
		if (a_Packet->m_Direction > -1)
		{
			AddDirection(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Direction);
			m_Player->GetWorld()->SendBlockTo(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, m_Player);
		}
		return;
	}

	//LOG("%i %i %i %i %i %i", a_Packet->m_Count, a_Packet->m_Direction, a_Packet->m_ItemType, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);

	//printf("Place Dir:%i %i %i %i : %i\n", a_Packet->m_Direction, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_ItemType);
	// 'use' useable items instead of placing blocks
	bool bPlaceBlock = true;
	bool UpdateRedstone = false;
	bool AddedCurrent = false;

	if (a_Packet->m_Direction >= 0)
	{
		cWorld * World = m_Player->GetWorld();
		BLOCKTYPE  BlockType = 0;
		NIBBLETYPE BlockMeta;
		World->GetBlockTypeMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, BlockMeta);
		switch (BlockType)
		{
			case E_BLOCK_REDSTONE_REPEATER_ON:
			case E_BLOCK_REDSTONE_REPEATER_OFF:
			{
				// no need to update redstone current with a repeater
				// Find meta value of repeater and change it to one step more:
				World->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, BlockType, ((BlockMeta + 0x04) & 0x0f));
				bPlaceBlock = false;
				break;
			}
			
			case E_BLOCK_WORKBENCH:
			{
				bPlaceBlock = false;
				cWindow* Window = new cCraftingWindow(0, true);
				m_Player->OpenWindow(Window);
				break;
			}

			case E_BLOCK_FURNACE:
			case E_BLOCK_LIT_FURNACE:
			case E_BLOCK_CHEST:
			{
				bPlaceBlock = false;
				m_Player->GetWorld()->UseBlockEntity(m_Player, a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
				break;
			}
			
			case E_BLOCK_WOODEN_DOOR:
			{
				bPlaceBlock = false;
				cDoors::ChangeDoor(m_Player->GetWorld(), a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);
				break;
			}
			
			default:
			{
				break;
			}
		}  // switch (BlockID)
	}  // if (Direction >= 0)

	// Some checks to see if it's a placeable item :P
	if (bPlaceBlock)
	{
		cItem Item;
		Item.m_ItemID = Equipped.m_ItemID;
		Item.m_ItemCount = 1;
		LOGD("Placing item of type %i at {%d, %d, %d}", 
			(int)a_Packet->m_ItemType,
			a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ
		);

		if (m_Player->EatItem(Item.m_ItemID))
		{
			m_Player->GetInventory().RemoveItem(Item);
			return;
		}
		
		if (a_Packet->m_Direction < 0)
		{
			// clicked in air
			return;
		}
		bool isDoor = false;

		//TODO: Wrong Blocks!
		BLOCKTYPE ClickedBlock = m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ);

		if (ItemCategory::IsHoe(Item.m_ItemID))
		{
			if ((ClickedBlock == E_BLOCK_DIRT) || (ClickedBlock == E_BLOCK_GRASS))
			{
				m_Player->GetWorld()->FastSetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, E_BLOCK_FARMLAND, 0);
			}
			return;
		}

		NIBBLETYPE MetaData = (NIBBLETYPE)Equipped.m_ItemHealth;  // This generally works for logs & planks, others will override
		bool LavaBucket = false;
		bool WaterBucket = false;
		bool bRemoveItem = true;
		bool bIgnoreCollision = false;

		if (ClickedBlock == E_BLOCK_STEP)
		{
		// Only make double slab if meta values are the same and if player clicked either on top or on bottom of the block (direction either 0 or 1)
			if (MetaData == ( m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) & 0x7) && a_Packet->m_Direction <= 1)
			//if (MetaData == m_Player->GetWorld()->GetBlockMeta(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ) && a_Packet->m_Direction == 1)
			{
				a_Packet->m_ItemType = E_BLOCK_DOUBLE_STEP;
				if(a_Packet->m_Direction == 1)
				{
					a_Packet->m_PosY--;
				}
				else
				{
					a_Packet->m_PosY++;
				}
				bIgnoreCollision = true;
			}
		}
		
		if ((ClickedBlock == E_BLOCK_SNOW) || (ClickedBlock == E_BLOCK_TALL_GRASS) || (ClickedBlock == E_BLOCK_VINES))
		{
			switch (a_Packet->m_Direction)
			{
				case 1:
					a_Packet->m_PosY--;
					break;
				case 2:
					a_Packet->m_PosZ++;
					break;
				case 3:
					a_Packet->m_PosZ--;
					break;
				case 4:
					a_Packet->m_PosX++;
					break;
				case 5:
					a_Packet->m_PosX--;
					break;
				default: break;
			}
			bIgnoreCollision = true;
		}

		// Special handling for special items:
		switch (a_Packet->m_ItemType)  
		{
			case E_ITEM_BUCKET:
			{
				// TODO: Change this, it is just a small hack to get it working a little bit. seems like the Client sends the position from the first hitable block :s
				ClickedBlock = (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ);
				LOG("Bucket Clicked BlockID: %d", ClickedBlock);
				switch (ClickedBlock)
				{
					case E_BLOCK_WATER:
					case E_BLOCK_STATIONARY_WATER:
					{
						WaterBucket = true;
						break;
					}
					case E_BLOCK_LAVA:
					case E_BLOCK_STATIONARY_LAVA:
					{
						LavaBucket = true;
						break;
					}
				}
				break;
			}  // case E_ITEM_BUCKET			
			
			case E_ITEM_LAVA_BUCKET:
			{
				if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
				{
					a_Packet->m_ItemType = E_BLOCK_LAVA;
					if (m_Player->GetGameMode() == 1)
					{
						break;						//No new Bucket for creative players
					}

					cItem NewItem;
					NewItem.m_ItemID = E_ITEM_BUCKET;
					NewItem.m_ItemCount = 1;
					m_Player->GetInventory().AddItem(NewItem);
				}
				break;
			}  // case E_ITEM_LAVA_BUCKET
			
			case E_ITEM_WATER_BUCKET:
			{
				if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
				{
					a_Packet->m_ItemType = E_BLOCK_WATER;
					if (m_Player->GetGameMode() == 1)
					{
						break;						//No new Bucket for creative players
					}
					cItem NewItem;
					NewItem.m_ItemID = E_ITEM_BUCKET;
					NewItem.m_ItemCount = 1;
					m_Player->GetInventory().AddItem(NewItem);
				}
				break;
			}
			
			case E_BLOCK_TORCH:
			{
				MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
				break;
			}
			
			case E_BLOCK_REDSTONE_TORCH_OFF:
			{
				MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
				if (g_BlockTransparent[ (int)m_Player->GetWorld()->GetBlock(a_Packet->m_PosX, a_Packet->m_PosY+2, a_Packet->m_PosZ) ] == true) 
				{
					//if block above is transparent
					//printf("transparent above me\n");
				}
				else
				{
					//printf("transparent not above me\n");
				}
				UpdateRedstone = true;
				AddedCurrent = false;
				break;
			}
			
			case E_BLOCK_REDSTONE_TORCH_ON:
			{
				MetaData = cTorch::DirectionToMetaData(a_Packet->m_Direction);
				UpdateRedstone = true;
				AddedCurrent = true;
				break;
			}
			
			case E_ITEM_REDSTONE_DUST:
			{
				MetaData = 0;
				a_Packet->m_ItemType = E_BLOCK_REDSTONE_WIRE;
				UpdateRedstone = true;
				AddedCurrent = false;
				break;
			}
			
			case E_ITEM_REDSTONE_REPEATER:
			{
				MetaData = cRedstone::RepeaterRotationToMetaData(m_Player->GetRotation());
				a_Packet->m_ItemType = E_BLOCK_REDSTONE_REPEATER_OFF;
				UpdateRedstone = true;
				AddedCurrent = false;
				break;
			}

			case E_BLOCK_PISTON:
			case E_BLOCK_STICKY_PISTON:
			{
				MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), m_Player->GetPitch());
				UpdateRedstone = true;
				AddedCurrent = false;
				break;
			}
			
			case E_ITEM_IRON_DOOR:
			{
				a_Packet->m_ItemType = E_BLOCK_IRON_DOOR;
				MetaData = cDoors::RotationToMetaData(m_Player->GetRotation());
				isDoor = true;
				break;
			}
			
			case E_ITEM_WOODEN_DOOR:
			{
				a_Packet->m_ItemType = E_BLOCK_WOODEN_DOOR;
				MetaData = cDoors::RotationToMetaData(m_Player->GetRotation());
				isDoor = true;
				break;
			}
			
			case E_BLOCK_CHEST:
			case E_BLOCK_FURNACE:
			case E_BLOCK_DISPENSER:
			{
				MetaData = cPiston::RotationPitchToMetaData(m_Player->GetRotation(), 0); // Same orientation as pistons, just ignore pitch
				break;
			}

			case E_BLOCK_STEP:
			{
				MetaData += cStep::DirectionToMetaData( a_Packet->m_Direction );
				break;
			}
			
			case E_BLOCK_COBBLESTONE_STAIRS:
			case E_BLOCK_BRICK_STAIRS:
			case E_BLOCK_STONE_BRICK_STAIRS:
			case E_BLOCK_NETHER_BRICK_STAIRS:
			case E_BLOCK_WOODEN_STAIRS:
			{
				MetaData = cStairs::RotationToMetaData(m_Player->GetRotation(), a_Packet->m_Direction);
				break;
			}
			case E_BLOCK_VINES:
			{
				MetaData = cVine::DirectionToMetaData(a_Packet->m_Direction);
				break;
			}
			case E_BLOCK_LADDER:
			{
				MetaData = cLadder::DirectionToMetaData(a_Packet->m_Direction);
				break;
			}
			case E_ITEM_SIGN:
			{
				LOGD("Sign Dir: %i", a_Packet->m_Direction);
				if (a_Packet->m_Direction == 1)
				{
					LOGD("Player Rotation: %f", m_Player->GetRotation());
					MetaData = cSign::RotationToMetaData(m_Player->GetRotation());
					LOGD("Sign rotation %i", MetaData);
					a_Packet->m_ItemType = E_BLOCK_SIGN_POST;
				}
				else
				{
					MetaData = cSign::DirectionToMetaData(a_Packet->m_Direction);
					a_Packet->m_ItemType = E_BLOCK_WALLSIGN;
				}
				break;
			}
		
			case E_ITEM_FLINT_AND_STEEL:
			{
				a_Packet->m_ItemType = E_ITEM_FIRE;
				m_Player->UseEquippedItem();
				bRemoveItem = false;
				break;
			}
			case E_ITEM_SEEDS:
			{
				if (ClickedBlock != E_BLOCK_FARMLAND)
				{
					return;
				}
				a_Packet->m_ItemType = E_BLOCK_CROPS;
				break;
			}
			case E_ITEM_MELON_SEEDS:
			{
				if (ClickedBlock != E_BLOCK_FARMLAND)
				{
					return;
				}
				a_Packet->m_ItemType = E_BLOCK_MELON_STEM;
				break;
			}
			case E_ITEM_PUMPKIN_SEEDS: 
			{
				if (ClickedBlock != E_BLOCK_FARMLAND)
				{
					return;
				}
				a_Packet->m_ItemType = E_BLOCK_PUMPKIN_STEM;
				break;
			}
			case E_ITEM_DYE:
			{
				// Handle bonemeal and dyes on sheep
				if (HandleDyes(a_Packet))
				{
					if (m_Player->GetGameMode() == eGameMode_Survival)
					{
						m_Player->GetInventory().RemoveItem(Item);
					}
					return;
				}
				break;
			}
			case E_ITEM_SUGARCANE:
			{
				a_Packet->m_ItemType = E_BLOCK_SUGARCANE;
				break;
			}
			default:
			{
				break;
			}
		}  // switch (a_Packet->m_ItemType)


		if (LavaBucket)
		{
			if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item))) {
				cItem NewItem;
				NewItem.m_ItemID = E_ITEM_LAVA_BUCKET;
				NewItem.m_ItemCount = 1;
				m_Player->GetInventory().AddItem(NewItem);
				m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
			}
		}
		else if (WaterBucket)
		{
			if ((m_Player->GetGameMode() == 1) || (m_Player->GetInventory().RemoveItem(Item)))
			{
				cItem NewItem;
				NewItem.m_ItemID = E_ITEM_WATER_BUCKET;
				NewItem.m_ItemCount = 1;
				m_Player->GetInventory().AddItem(NewItem);
				m_Player->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, E_BLOCK_AIR, 0);
			}
		}
		else if (IsValidBlock(a_Packet->m_ItemType))
		{
			int X = a_Packet->m_PosX;
			int Y = a_Packet->m_PosY;
			int Z = a_Packet->m_PosZ;
			AddDirection(X, Y, Z, a_Packet->m_Direction);

			int PlaceBlock = m_Player->GetWorld()->GetBlock(X, Y, Z);
			if (
				(PlaceBlock != E_BLOCK_AIR)
				&& (PlaceBlock != E_BLOCK_WATER)
				&& (PlaceBlock != E_BLOCK_STATIONARY_WATER)
				&& (PlaceBlock != E_BLOCK_LAVA)
				&& (PlaceBlock != E_BLOCK_STATIONARY_LAVA)
				&& !bIgnoreCollision
			)
			{
				//tried to place a block *into* another?
				return;  // happens when you place a block aiming at side of block like torch or stem
			}

			// Check whether selected item is allowed to be placed on specific surface
			if (!m_Player->GetWorld()->IsPlacingItemLegal(a_Packet->m_ItemType, X, Y, Z))
			{
				// If we don't send the block, MC is happy placing cacti underwater:
				m_Player->GetWorld()->SendBlockTo(X, Y, Z, m_Player);
				return;
			}

			if (bRemoveItem)
			{
				if ((m_Player->GetGameMode() != 1) && !m_Player->GetInventory().RemoveItem(Item))
				{
					return;
				}
			}


			if (isDoor)
			{
				if ((m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR) || (m_Player->GetWorld()->GetBlock(X, Y + 1, Z) == E_BLOCK_AIR))
				{
					m_Player->GetWorld()->SetBlock(X, Y + 1, Z, (char)a_Packet->m_ItemType, MetaData + 8);
					m_Player->GetWorld()->SetBlock(X, Y,     Z, (char)a_Packet->m_ItemType, MetaData);
				}
			}
			else
			{
				m_Player->GetWorld()->SetBlock(X, Y, Z, (char)a_Packet->m_ItemType, MetaData);
			}

			if (UpdateRedstone)
			{
				cRedstone Redstone(m_Player->GetWorld());
				Redstone.ChangeRedstone(a_Packet->m_PosX, a_Packet->m_PosY + 1, a_Packet->m_PosZ, AddedCurrent);
			}
		}
	}

	/*
	// FakeTruth's "magic stick of removal" :D
	// TODO: Turn this into a plugin
	if (m_Username.compare("FakeTruth") == 0)
	{
		if (a_Packet->m_ItemType == 280)
		{
			cRoot::Get()->GetWorld()->SetBlock(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, 0, 0);
		}
	}
	*/
}





void cClientHandle::HandlePickupSpawn(cPacket_PickupSpawn * a_Packet)
{
	LOG("Received packet E_PICKUP_SPAWN");

	cItem DroppedItem;
	DroppedItem.m_ItemID = (ENUM_ITEM_ID)a_Packet->m_Item;
	DroppedItem.m_ItemCount = a_Packet->m_Count;
	DroppedItem.m_ItemHealth = 0x0; // TODO: Somehow figure out what item was dropped, and apply correct health
	if (m_Player->GetInventory().RemoveItem(DroppedItem))
	{
		cPickup * Pickup = new cPickup(a_Packet);
		Pickup->Initialize(m_Player->GetWorld());
	}
}





void cClientHandle::HandleChat(cPacket_Chat * a_Packet)
{
	if (!cRoot::Get()->GetServer()->Command(*this, a_Packet->m_Message.c_str()))
	{
		a_Packet->m_Message.insert(0, "<" + m_Player->GetColor() + m_Username + cChatColor::White + "> ");
		cRoot::Get()->GetServer()->Broadcast(*a_Packet);
	}
}





void cClientHandle::HandlePlayerLook(cPacket_PlayerLook * a_Packet)
{
	m_Player->SetRotation   (a_Packet->m_Rotation);
	m_Player->SetPitch      (a_Packet->m_Pitch);
	m_Player->SetTouchGround(a_Packet->m_bFlying);
	m_Player->WrapRotation();
}





void cClientHandle::HandlePlayerMoveLook(cPacket_PlayerMoveLook * a_Packet)
{
	m_Player->MoveTo(Vector3d(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ));
	m_Player->SetStance     (a_Packet->m_Stance);
	m_Player->SetTouchGround(a_Packet->m_bFlying);
	m_Player->SetRotation   (a_Packet->m_Rotation);
	m_Player->SetPitch      (a_Packet->m_Pitch);
	m_Player->WrapRotation();
}





void cClientHandle::HandleAnimation(cPacket_ArmAnim * a_Packet)
{
	a_Packet->m_EntityID = m_Player->GetUniqueID();
	cRoot::Get()->GetServer()->Broadcast(*a_Packet, this);
}





void cClientHandle::HandleItemSwitch(cPacket_ItemSwitch * a_Packet)
{
	m_Player->GetInventory().SetEquippedSlot(a_Packet->m_SlotNum);

	cPacket_EntityEquipment Equipment;
	Equipment.m_ItemID = (short)m_Player->GetInventory().GetEquippedItem().m_ItemID;
	Equipment.m_Slot = 0;
	Equipment.m_UniqueID = m_Player->GetUniqueID();
	cRoot::Get()->GetServer()->Broadcast(Equipment, this);
}





void cClientHandle::HandleWindowClose(cPacket_WindowClose * a_Packet)
{
	m_Player->CloseWindow(a_Packet->m_Close);
}





void cClientHandle::HandleWindowClick(cPacket_WindowClick * a_Packet)
{
	if (a_Packet->m_WindowID == 0)
	{
		m_Player->GetInventory().Clicked(a_Packet);
		return;
	}
	
	cWindow * Window = m_Player->GetWindow();
	if (Window == NULL)
	{
		LOGWARNING("Player \"%s\" clicked in a non-existent window. Ignoring", m_Username.c_str());
		return;
	}
	
	Window->Clicked(a_Packet, *m_Player);
}





void cClientHandle::HandleUpdateSign(cPacket_UpdateSign * a_Packet)
{
	cWorld * World = m_Player->GetWorld();
	World->UpdateSign(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, a_Packet->m_Line1, a_Packet->m_Line2, a_Packet->m_Line3, a_Packet->m_Line4);
}





void cClientHandle::HandleUseEntity(cPacket_UseEntity * a_Packet)
{
	if (!a_Packet->m_bLeftClick)
	{
		return;
	}

	class cDamageEntity : public cEntityCallback
	{
		virtual bool Item(cEntity * a_Entity) override
		{
			if( a_Entity->IsA("cPawn") )
			{
				reinterpret_cast< cPawn* >( a_Entity )->TakeDamage(Damage, Instigator );
			}
			return true;
		}
	public:
		int Damage;
		cEntity * Instigator;
	} Callback;

	Callback.Damage = 1; // TODO: Find proper damage from current item equipped
	Callback.Instigator = m_Player;

	cWorld * World = m_Player->GetWorld();
	World->DoWithEntityByID(a_Packet->m_TargetID, Callback);
}





void cClientHandle::HandleRespawn(void)
{
	m_Player->Respawn();
}





void cClientHandle::HandleDisconnect(cPacket_Disconnect * a_Packet)
{
	LOG("Received d/c packet from \"%s\"", m_Username.c_str());
	if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_DISCONNECT, 2, a_Packet->m_Reason.c_str(), m_Player))
	{
		cPacket_Chat DisconnectMessage(m_Username + " disconnected: " + a_Packet->m_Reason);
		cRoot::Get()->GetServer()->Broadcast(DisconnectMessage);
	}
	Destroy();
}





void cClientHandle::HandleKeepAlive(cPacket_KeepAlive * a_Packet)
{
	if (a_Packet->m_KeepAliveID == m_PingID)
	{
		cTimer t1;
		m_Ping = (short)((t1.GetNowTime() - m_PingStartTime) / 2);
	}
}





bool cClientHandle::HandleDyes(cPacket_BlockPlace * a_Packet)
{
	cItem & Equipped = m_Player->GetInventory().GetEquippedItem();
	
	// TODO: Handle coloring the sheep, too
	
	// Handle growing the plants:
	if (Equipped.m_ItemHealth == E_META_DYE_WHITE)
	{
		cWorld * World = m_Player->GetWorld();
		return World->GrowPlant(a_Packet->m_PosX, a_Packet->m_PosY, a_Packet->m_PosZ, true);
	}
	
	return false;
}





bool cClientHandle::CheckBlockInteractionsRate(void)
{
	ASSERT(m_Player != NULL);
	ASSERT(m_Player->GetWorld() != NULL);
	int LastActionCnt = m_Player->GetLastBlockActionCnt();
	if ((m_Player->GetWorld()->GetTime() - m_Player->GetLastBlockActionTime()) < 0.1)
	{
		// Limit the number of block interactions per tick
		m_Player->SetLastBlockActionTime(); //Player tried to interact with a block. Reset last block interation time.
		m_Player->SetLastBlockActionCnt(LastActionCnt + 1);
		if (m_Player->GetLastBlockActionCnt() > MAXBLOCKCHANGEINTERACTIONS)
		{
			// Kick if more than MAXBLOCKCHANGEINTERACTIONS per tick
			LOGWARN("Player %s tried to interact with a block too quickly! (could indicate bot) Was Kicked.", m_Username.c_str());
			Kick("You're a baaaaaad boy!");
			return false;
		}
	}
	else
	{
		m_Player->SetLastBlockActionCnt(0);  // Reset count 
		m_Player->SetLastBlockActionTime();  // Player tried to interact with a block. Reset last block interation time.
	}
	return true;
}





void cClientHandle::Tick(float a_Dt)
{
	(void)a_Dt;
	if (cWorld::GetTime() - m_TimeLastPacket > 30.f)  // 30 seconds time-out
	{
		cPacket_Disconnect DC("Nooooo!! You timed out! D: Come back!");
		m_Socket.Send(&DC);

		// TODO: Cannot sleep in the tick thread!
		cSleep::MilliSleep(1000);  // Give packet some time to be received

		Destroy();
	}
	
	cTimer t1;
	// Send ping packet
	if (m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime())
	{
		m_PingID++;
		cPacket_KeepAlive Ping(m_PingID);
		m_PingStartTime = t1.GetNowTime();
		Send(Ping);
		m_LastPingTime = m_PingStartTime;
	}
}





void cClientHandle::Send(const cPacket & a_Packet, ENUM_PRIORITY a_Priority /* = E_PRIORITY_NORMAL */)
{
	if (m_bKicking) return; // Don't add more packets if player is getting kicked anyway

	// If it is the packet spawning myself for myself, drop it silently:
	if (a_Packet.m_PacketID == E_NAMED_ENTITY_SPAWN)
	{
		if (((cPacket_NamedEntitySpawn &)a_Packet).m_UniqueID == m_Player->GetUniqueID())
		{
			return;
		}
	}
	
	// Filter out packets that don't belong to a csDownloadingWorld state:
	if (m_State == csDownloadingWorld)
	{
		switch (a_Packet.m_PacketID)
		{
			case E_PLAYERMOVELOOK:
			case E_KEEP_ALIVE:
			case E_PRE_CHUNK:
			case E_MAP_CHUNK:
			{
				// Allow
				break;
			}
			default: return;
		}
	}
	
	// Filter out map chunks that the client doesn't want anymore:
	if (a_Packet.m_PacketID == E_MAP_CHUNK)
	{
		// Check chunks being sent, erase them from m_ChunksToSend:
		int ChunkX = ((cPacket_MapChunk &)a_Packet).m_PosX;
		int ChunkZ = ((cPacket_MapChunk &)a_Packet).m_PosZ;
		bool Found = false;
		cCSLock Lock(m_CSChunkLists);
		for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr)
		{
			if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ))
			{
				m_ChunksToSend.erase(itr);
				CheckIfWorldDownloaded();
				Found = true;
				break;
			}
		}  // for itr - m_ChunksToSend[]
		if (!Found)
		{
			// This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it
			// It's not a big issue anyway, just means that some chunks may be compressed several times
			// LOGD("Refusing to send    chunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ());
			return;
		}
	}
	
	// Filter out pre chunks that the client doesn't want anymore:
	if ((a_Packet.m_PacketID == E_PRE_CHUNK) && ((cPacket_PreChunk &)a_Packet).m_bLoad)
	{
		int ChunkX = ((cPacket_PreChunk &)a_Packet).m_PosX;
		int ChunkZ = ((cPacket_PreChunk &)a_Packet).m_PosZ;
		bool Found = false;
		cCSLock Lock(m_CSChunkLists);
		for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr)
		{
			if ((itr->m_ChunkX == ChunkX) && (itr->m_ChunkZ == ChunkZ))
			{
				Found = true;
				break;
			}
		}  // for itr - m_ChunksToSend[]
		if (!Found)
		{
			// This just sometimes happens. If you have a reliably replicatable situation for this, go ahead and fix it
			// It's not a big issue anyway, just means that some chunks may be compressed several times
			// LOGD("Refusing to send PREchunk [%d, %d] to client \"%s\" at [%d, %d].", ChunkX, ChunkZ, m_Username.c_str(), m_Player->GetChunkX(), m_Player->GetChunkZ());
			return;
		}
	}
	
	// Optimize away multiple queued RelativeEntityMoveLook packets:
	cCSLock Lock(m_CSPackets);
	if (a_Priority == E_PRIORITY_NORMAL)
	{
		if (a_Packet.m_PacketID == E_REL_ENT_MOVE_LOOK)
		{
			PacketList & Packets = m_PendingNrmSendPackets;
			const cPacket_RelativeEntityMoveLook & ThisPacketData = reinterpret_cast< const cPacket_RelativeEntityMoveLook &>(a_Packet);
			for (PacketList::iterator itr = Packets.begin(); itr != Packets.end(); ++itr)
			{
				bool bBreak = false;
				switch ((*itr)->m_PacketID)
				{
					case E_REL_ENT_MOVE_LOOK:
					{
						cPacket_RelativeEntityMoveLook * PacketData = reinterpret_cast< cPacket_RelativeEntityMoveLook *>(*itr);
						if (ThisPacketData.m_UniqueID == PacketData->m_UniqueID)
						{
							Packets.erase(itr);
							bBreak = true;
							delete PacketData;
							break;
						}
						break;
					}  // case E_REL_END_MOVE_LOOK
				}  // switch (*itr -> Packet type)
				if (bBreak)
				{
					break;
				}
			}  // for itr - Packets[]
		}  // if (E_REL_ENT_MOVE_LOOK
		m_PendingNrmSendPackets.push_back(a_Packet.Clone());
	}
	else if (a_Priority == E_PRIORITY_LOW)
	{
		m_PendingLowSendPackets.push_back(a_Packet.Clone());
	}
	Lock.Unlock();
	
	// Notify SocketThreads that we have something to write:
	cRoot::Get()->GetServer()->NotifyClientWrite(this);
}





void cClientHandle::CheckIfWorldDownloaded(void)
{
	if (m_State != csDownloadingWorld)
	{
		return;
	}
	cCSLock Lock(m_CSChunkLists);
	if (m_ChunksToSend.empty())
	{
		SendConfirmPosition();
	}
}





void cClientHandle::SendConfirmPosition(void)
{
	LOG("Spawning player \"%s\" at {%.2f, %.2f, %.2f}",
		m_Username.c_str(), m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ()
	);
	
	m_State = csConfirmingPos;

	if (!cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_PLAYER_JOIN, 1, m_Player))
	{
		// Broadcast that this player has joined the game! Yay~
		cPacket_Chat Joined(m_Username + " joined the game!");
		cRoot::Get()->GetServer()->Broadcast(Joined, this);
	}

	m_ConfirmPosition = m_Player->GetPosition();
	Send(cPacket_PlayerMoveLook(m_Player));
}





const AString & cClientHandle::GetUsername(void) const
{
	return m_Username;
}





void cClientHandle::SetViewDistance(int a_ViewDistance)
{
	if (a_ViewDistance < MIN_VIEW_DISTANCE)
	{
		a_ViewDistance = MIN_VIEW_DISTANCE;
	}
	if (a_ViewDistance > MAX_VIEW_DISTANCE)
	{
		a_ViewDistance = MAX_VIEW_DISTANCE;
	}
	m_ViewDistance = a_ViewDistance;
	
	// Need to re-stream chunks for the change to become apparent:
	StreamChunks();
}





bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
{
	cCSLock Lock(m_CSChunkLists);
	return (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)) != m_ChunksToSend.end());
}





void cClientHandle::AddWantedChunk(int a_ChunkX, int a_ChunkZ)
{
	LOGD("Adding chunk [%d, %d] to wanted chunks for client %p", a_ChunkX, a_ChunkZ, this);
	cCSLock Lock(m_CSChunkLists);
	if (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ)) == m_ChunksToSend.end())
	{
		m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
	}
}





void cClientHandle::DataReceived(const char * a_Data, int a_Size)
{
	// Data is received from the client

	m_ReceivedData.append(a_Data, a_Size);

	// Parse and handle all complete packets in m_ReceivedData:
	while (!m_ReceivedData.empty())
	{
		cPacket* pPacket = m_PacketMap[(unsigned char)m_ReceivedData[0]];
		if (pPacket == NULL)
		{
			LOGERROR("Unknown packet type 0x%02x from client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str());

			AString Reason;
			Printf(Reason, "[C->S] Unknown PacketID: 0x%02x", (unsigned char)m_ReceivedData[0]);
			cPacket_Disconnect DC(Reason);
			m_Socket.Send(&DC);
			cSleep::MilliSleep(1000); // Give packet some time to be received
			Destroy();
			return;
		}
		
		int NumBytes = pPacket->Parse(m_ReceivedData.data() + 1, m_ReceivedData.size() - 1);
		if (NumBytes == PACKET_ERROR)
		{
			LOGERROR("Protocol error while parsing packet type 0x%02x; disconnecting client \"%s\"", (unsigned char)m_ReceivedData[0], m_Username.c_str());
			cPacket_Disconnect DC("Protocol error");
			m_Socket.Send(&DC);
			cSleep::MilliSleep(1000); // Give packet some time to be received
			Destroy();
			return;
		}
		else if (NumBytes == PACKET_INCOMPLETE)
		{
			// Not a complete packet
			break;
		}
		else
		{
			// Packet parsed successfully, add it to internal queue:
			HandlePacket(pPacket);
			// Erase the packet from the buffer:
			ASSERT(m_ReceivedData.size() > (size_t)NumBytes);
			m_ReceivedData.erase(0, NumBytes + 1);
		}
	}  // while (!Received.empty())
}





void cClientHandle::GetOutgoingData(AString & a_Data)
{
	// Data can be sent to client
	
	cCSLock Lock(m_CSPackets);
	if (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() > MAX_OUTGOING_PACKETS)
	{
		LOGERROR("ERROR: Too many packets in queue for player %s !!", m_Username.c_str());
		cPacket_Disconnect DC("Too many packets in queue.");
		m_Socket.Send(DC);
		
		// DEBUG: Dump all outstanding packets' types to the log:
		int Idx = 0;
		int ChunkX = m_Player->GetChunkX();
		int ChunkZ = m_Player->GetChunkZ();
		for (PacketList::const_iterator itr = m_PendingNrmSendPackets.begin(); itr != m_PendingNrmSendPackets.end(); ++itr)
		{
			switch ((*itr)->m_PacketID)
			{
				case E_MAP_CHUNK:
				{
					int x = ((cPacket_MapChunk *)(*itr))->m_PosX;
					int z = ((cPacket_MapChunk *)(*itr))->m_PosZ;
					bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance);
					LOG("Packet %4d: type %2x (MapChunk: %d, %d, %s)", 
						Idx++, (*itr)->m_PacketID,
						x, z,
						IsWanted ? "wanted" : "unwanted"
					);
					break;
				}
				
				case E_PRE_CHUNK:
				{
					int x = ((cPacket_PreChunk *)(*itr))->m_PosX;
					int z = ((cPacket_PreChunk *)(*itr))->m_PosZ;
					bool IsWanted = (abs(x - ChunkX) <= m_ViewDistance) && (abs(z - ChunkZ) <= m_ViewDistance);
					bool Loading = ((cPacket_PreChunk *)(*itr))->m_bLoad;
					LOG("Packet %4d: type %2x (PreChunk: %d, %d, %s, %s)", 
						Idx++, (*itr)->m_PacketID,
						x, z,
						Loading ? "loading" : "unloading",
						IsWanted ? "wanted" : "unwanted"
					);
					break;
				}
				
				case E_BLOCK_CHANGE:
				{
					int x = ((cPacket_BlockChange *)(*itr))->m_PosX;
					int z = ((cPacket_BlockChange *)(*itr))->m_PosZ;
					char ToBlock = ((cPacket_BlockChange *)(*itr))->m_BlockType;
					int y, cx, cz;
					cChunkDef::AbsoluteToRelative(x, y, z, cx, cz);
					bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance);
					LOG("Packet %4d: type %2x (BlockChange: [%d, %d], %s chunk; to block %d)", 
						Idx++, (*itr)->m_PacketID,
						cx, cz,
						IsWanted ? "wanted" : "unwanted",
						ToBlock
					);
					break;
				}
				
				case E_MULTI_BLOCK:
				{
					int cx = ((cPacket_MultiBlock *)(*itr))->m_ChunkX;
					int cz = ((cPacket_MultiBlock *)(*itr))->m_ChunkZ;
					int NumBlocks = ((cPacket_MultiBlock *)(*itr))->m_NumBlocks;
					bool IsWanted = (abs(cx - ChunkX) <= m_ViewDistance) && (abs(cz - ChunkZ) <= m_ViewDistance);
					LOG("Packet %4d: type %2x (MultiBlock: [%d, %d], %s chunk, %d blocks)", 
						Idx++, (*itr)->m_PacketID,
						cx, cz,
						IsWanted ? "wanted" : "unwanted",
						NumBlocks
					);
					break;
				}
				
				default:
				{
					LOG("Packet %4d: type %2x", Idx++, (*itr)->m_PacketID); 
					break;
				}
			}
		}
		
		Lock.Unlock();
		Destroy();
		return;
	}
	
	if ((m_PendingNrmSendPackets.size() == 0) && (m_PendingLowSendPackets.size() == 0))
	{
		return;
	}

	if (m_PendingNrmSendPackets.size() > MAX_OUTGOING_PACKETS / 2)
	{
		LOGINFO("Suspiciously many pending packets: %i; client \"%s\", LastType: 0x%02x", m_PendingNrmSendPackets.size(), m_Username.c_str(), (*m_PendingNrmSendPackets.rbegin())->m_PacketID);
	}

	AString Data;
	Data.reserve(1100);
	// Serialize normal-priority packets up to 1000 bytes
	while (!m_PendingNrmSendPackets.empty() && (Data.size() < 1000))
	{
		m_PendingNrmSendPackets.front()->Serialize(Data);
		delete m_PendingNrmSendPackets.front();
		m_PendingNrmSendPackets.erase(m_PendingNrmSendPackets.begin());
	}
	// Serialize one low-priority packet:
	if (!m_PendingLowSendPackets.empty() && Data.empty())
	{
		m_PendingLowSendPackets.front()->Serialize(Data);
		delete m_PendingLowSendPackets.front();
		m_PendingLowSendPackets.erase(m_PendingLowSendPackets.begin());
	}
	Lock.Unlock();
	
	a_Data.append(Data);

	// Disconnect player after all packets have been sent
	if (m_bKicking && (m_PendingNrmSendPackets.size() + m_PendingLowSendPackets.size() == 0))
	{
		Destroy();
	}
}





void cClientHandle::SocketClosed(void)
{
	// The socket has been closed for any reason
	
	// TODO
	/*
	self->Destroy();
	LOG("Client \"%s\" disconnected", GetLogName().c_str());
	*/
}