1 files changed, 1651 insertions, 0 deletions

diff --git a/source/ClientHandle.cpp b/source/ClientHandle.cpp
new file mode 100644
index 000000000..a080b4ed6
--- /dev/null
+++ b/source/ClientHandle.cpp
@@ -0,0 +1,1651 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "ClientHandle.h"
+#include "Server.h"
+#include "World.h"
+#include "Pickup.h"
+#include "PluginManager.h"
+#include "Player.h"
+#include "Inventory.h"
+#include "ChestEntity.h"
+#include "SignEntity.h"
+#include "UI/Window.h"
+#include "Item.h"
+#include "Torch.h"
+#include "Doors.h"
+#include "Ladder.h"
+#include "Vine.h"
+#include "Sign.h"
+#include "Redstone.h"
+#include "Piston.h"
+#include "Mobs/Monster.h"
+#include "ChatColor.h"
+#include "OSSupport/Socket.h"
+#include "OSSupport/Timer.h"
+#include "items/ItemHandler.h"
+#include "blocks/BlockHandler.h"
+
+#include "Tracer.h"
+#include "Vector3f.h"
+#include "Vector3d.h"
+
+#include "Root.h"
+
+#include "Authenticator.h"
+#include "MersenneTwister.h"
+
+#include "Protocol/ProtocolRecognizer.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_Socket(a_Socket)
+	, m_OutgoingData(64 KiB)
+	, m_bDestroyed(false)
+	, m_Player(NULL)
+	, m_bKicking(false)
+	, m_TimeLastPacket(cWorld::GetTime())
+	, m_bKeepThreadGoing(true)
+	, m_Ping(1000)
+	, m_PingID(1)
+	, m_State(csConnected)
+	, m_LastStreamedChunkX(0x7fffffff)  // bogus chunk coords to force streaming upon login
+	, m_LastStreamedChunkZ(0x7fffffff)
+	, m_ShouldCheckDownloaded(false)
+	, m_UniqueID(0)
+{
+	m_Protocol = new cProtocolRecognizer(this);
+	
+	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();
+
+	LOGD("New ClientHandle created at %p", this);
+}
+
+
+
+
+
+cClientHandle::~cClientHandle()
+{
+	LOGD("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:
+			World->BroadcastPlayerListItem(*m_Player, false, this);
+
+			// Send the Chat packet:
+			AString Left(m_Username + " left the game!");
+			World->BroadcastChat(Left, this);
+		}
+		if (World != NULL)
+		{
+			World->RemovePlayer(m_Player);
+		}
+	}
+
+	if (m_Socket.IsValid())
+	{
+		if (!m_bKicking)
+		{
+			SendDisconnect("Server shut down? Kthnxbai");
+		}
+	}
+	
+	if (m_Player != NULL)
+	{
+		m_Player->Destroy();
+		m_Player = NULL;
+	}
+
+	// Queue all remaining outgoing packets to cSocketThreads:
+	{
+		cCSLock Lock(m_CSOutgoingData);
+		AString Data;
+		m_OutgoingData.ReadAll(Data);
+		m_OutgoingData.CommitRead();
+		cRoot::Get()->GetServer()->WriteToClient(&m_Socket, Data);
+	}
+	
+	// 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);
+	
+	delete m_Protocol;
+	m_Protocol = NULL;
+	
+	LOGD("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());
+	}
+	SendDisconnect(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();
+	}
+	
+	if (m_Player->GetGameMode() == eGameMode_NotSet)
+	{
+		m_Player->LoginSetGameMode(World->GetGameMode());
+	}
+
+	m_Player->SetIP (m_Socket.GetIPString());
+
+	cRoot::Get()->GetPluginManager()->CallHook(cPluginManager::HOOK_PLAYER_SPAWN, 1, m_Player);
+	
+	m_ConfirmPosition = m_Player->GetPosition();
+
+	// Return a server login packet
+	m_Protocol->SendLogin(*m_Player, *World);
+
+	// Send Weather if raining:
+	if ((World->GetWeather() == 1) || (World->GetWeather() == 2))
+	{
+		m_Protocol->SendWeather(World->GetWeather());
+	}
+
+	// Send time
+	m_Protocol->SendTimeUpdate(World->GetWorldTime());
+
+	// Send inventory
+	m_Player->GetInventory().SendWholeInventory(*this);
+
+	// Send health
+	m_Player->SendHealth();
+	
+	m_Player->Initialize(World);
+	StreamChunks();
+	m_State = csDownloadingWorld;
+	
+	// Broadcast this player's spawning to all other players in the same chunk
+	m_Player->GetWorld()->BroadcastSpawn(*m_Player, this);
+}
+
+
+
+
+
+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);
+		m_Protocol->SendUnloadChunk(itr->m_ChunkX, itr->m_ChunkZ);
+	}  // 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::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());
+}
+
+
+
+
+
+bool cClientHandle::HandleLogin(int a_ProtocolVersion, const AString & a_Username)
+{
+	LOGD("LOGIN %s", a_Username.c_str());
+	m_Username = a_Username;
+
+	if (cRoot::Get()->GetPluginManager()->CallHookLogin(this, a_ProtocolVersion, a_Username))
+	{
+		Destroy();
+		return false;
+	}
+
+	// Schedule for authentication; until then, let them wait (but do not block)
+	m_State = csAuthenticating;
+	cRoot::Get()->GetAuthenticator().Authenticate(GetUniqueID(), GetUsername(), m_Protocol->GetAuthServerID());
+	return true;
+}
+
+
+
+
+
+void cClientHandle::HandleCreativeInventory(short a_SlotNum, const cItem & a_HeldItem)
+{
+	// This is for creative Inventory changes
+	if (m_Player->GetGameMode() != eGameMode_Creative)
+	{
+		LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str());
+		return;
+	}
+	if (m_Player->GetWindow()->GetWindowType() != cWindow::Inventory)
+	{
+		LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in the inventory window. Ignoring.", m_Username.c_str());
+		return;
+	}
+	
+	m_Player->GetWindow()->Clicked(*m_Player, 0, a_SlotNum, false, false, a_HeldItem);
+}
+
+
+
+
+
+void cClientHandle::HandlePlayerPos(double a_PosX, double a_PosY, double a_PosZ, double a_Stance, bool a_IsOnGround)
+{
+	/*
+		// TODO: Invalid stance check
+	if ((a_PosY >= a_Stance) || (a_Stance > a_PosY + 1.65))
+	{
+		LOGD("Invalid stance");
+		SendPlayerMoveLook();
+		return;
+	}
+	*/
+	
+	// LOGD("recv player pos: {%0.2f %0.2f %0.2f}, ground: %d", a_PosX, a_PosY, a_PosZ, a_IsOnGround ? 1 : 0);
+	Vector3d Pos(a_PosX, a_PosY, a_PosZ);
+	if ((m_Player->GetPosition() - Pos).SqrLength() > 100 * 100)
+	{
+		LOGD("Too far away (%0.2f), \"repairing\" the client", (m_Player->GetPosition() - Pos).Length());
+		SendPlayerMoveLook();
+		return;
+	}
+	m_Player->MoveTo(Pos);
+	m_Player->SetStance(a_Stance);
+	m_Player->SetTouchGround(a_IsOnGround);
+}
+
+
+
+
+
+void cClientHandle::HandleBlockDig(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status)
+{
+	if (!CheckBlockInteractionsRate())
+	{
+		return;
+	}
+
+	LOGD("OnBlockDig: {%i, %i, %i}; Face: %i; Stat: %i",
+		a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status
+	);
+
+	// Do we want plugins to disable tossing items? Probably no, so toss item before asking plugins for permission
+	if (a_Status == DIG_STATUS_DROP_HELD)  // Drop held item
+	{
+		m_Player->TossItem(false);
+		return;
+	}
+
+	if (a_Status == DIG_STATUS_SHOOT_EAT)
+	{
+		LOGINFO("BlockDig: Status SHOOT/EAT not implemented");
+		return;
+	}
+	
+	cWorld * World = m_Player->GetWorld();
+	BLOCKTYPE  OldBlock;
+	NIBBLETYPE OldMeta;
+	World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, OldBlock, OldMeta);
+
+	if (cRoot::Get()->GetPluginManager()->CallHookBlockDig(m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status, OldBlock, OldMeta))
+	{
+		// The plugin doesn't agree with the digging, replace the block on the client and quit:
+		World->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player);
+		return;
+	}
+	
+	bool bBroken = (
+		(a_Status == DIG_STATUS_FINISHED) || 
+		(g_BlockOneHitDig[(int)OldBlock]) || 
+		((a_Status == DIG_STATUS_STARTED) && (m_Player->GetGameMode() == 1))
+	);
+
+	cItem & Equipped = m_Player->GetInventory().GetEquippedItem();
+	cItemHandler * ItemHandler = cItemHandler::GetItemHandler(Equipped.m_ItemID);
+
+	if (bBroken)
+	{
+		ItemHandler->OnBlockDestroyed(World, m_Player, &Equipped, a_BlockX, a_BlockY, a_BlockZ);
+		
+		BlockHandler(OldBlock)->OnDestroyedByPlayer(World, m_Player, a_BlockX, a_BlockY, a_BlockZ);
+		World->DigBlock(a_BlockX, a_BlockY, a_BlockZ);
+	}
+	else
+	{
+		cBlockHandler * Handler = cBlockHandler::GetBlockHandler(OldBlock);
+		Handler->OnDigging(World, m_Player, a_BlockX, a_BlockY, a_BlockZ);
+
+		ItemHandler->OnDiggingBlock(World, m_Player, &Equipped, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
+		
+
+		// Check for clickthrough-blocks:
+		int pX = a_BlockX;
+		int pY = a_BlockY;
+		int pZ = a_BlockZ;
+		AddDirection(pX, pY, pZ, a_BlockFace);
+
+		Handler = cBlockHandler::GetBlockHandler(World->GetBlock(pX, pY, pZ));
+		if (Handler->IsClickedThrough())
+		{
+			Handler->OnDigging(World, m_Player, pX, pY, pZ);
+		}
+	}
+}
+
+
+
+
+
+void cClientHandle::HandleBlockPlace(int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, const cItem & a_HeldItem)
+{
+	LOGD("HandleBlockPlace: {%d, %d, %d}, face %d, itemtype: %d",
+		a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_HeldItem.m_ItemType
+	);
+	
+	if (!CheckBlockInteractionsRate())
+	{
+		return;
+	}
+	
+	cItem & Equipped = m_Player->GetInventory().GetEquippedItem();
+
+	if ((Equipped.m_ItemType != a_HeldItem.m_ItemType) && (a_HeldItem.m_ItemType != -1))
+	{
+		// Only compare ItemType, not meta (torches have different metas)
+		// The -1 check is there because sometimes the client sends -1 instead of the held item 
+		//  ( http://forum.mc-server.org/showthread.php?tid=549&pid=4502#pid4502 )
+		LOGWARN("Player %s tried to place a block that was not equipped (exp %d, got %d)",
+			m_Username.c_str(), Equipped.m_ItemType, a_HeldItem.m_ItemType
+		);
+		
+		// Let's send the current world block to the client, so that it can immediately "let the user know" that they haven't placed the block
+		if (a_BlockFace > -1)
+		{
+			AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
+			m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player);
+		}
+		return;
+	}
+
+	if (cRoot::Get()->GetPluginManager()->CallHookBlockPlace(m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, Equipped))
+	{
+		if (a_BlockFace > -1)
+		{
+			AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
+			m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player);
+		}
+		return;
+	}
+	
+	cWorld * World = m_Player->GetWorld();
+
+	cBlockHandler *Handler = cBlockHandler::GetBlockHandler(World->GetBlock(a_BlockX, a_BlockY, a_BlockZ));
+	if (Handler->IsUseable())
+	{
+		Handler->OnUse(World, m_Player, a_BlockX, a_BlockY, a_BlockZ);
+	}
+	else
+	{
+		cItemHandler * ItemHandler = cItemHandler::GetItemHandler(Equipped.m_ItemID);
+		
+		if (ItemHandler->OnItemUse(World, m_Player, &Equipped, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace))
+		{
+			// Nothing here :P
+		}
+		else if (ItemHandler->IsPlaceable())
+		{
+			if (a_BlockFace < 0)
+			{
+				// clicked in air
+				return;
+			}
+
+			BLOCKTYPE ClickedBlock = World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+			cBlockHandler *Handler = cBlockHandler::GetBlockHandler(ClickedBlock);
+
+			if(Handler->IgnoreBuildCollision())
+			{
+				Handler->OnDestroyedByPlayer(World, m_Player, a_BlockX, a_BlockY, a_BlockZ);
+				// World->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
+			}
+			else
+			{
+				AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
+				// Check for Blocks not allowing placement on top
+				if ((a_BlockFace == BLOCK_FACE_TOP) && !Handler->AllowBlockOnTop())
+				{
+					// Resend the old block
+					// Some times the client still places the block O.o
+
+					World->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player);
+					return;
+				}
+
+
+				BLOCKTYPE PlaceBlock = m_Player->GetWorld()->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+				if (!BlockHandler(PlaceBlock)->IgnoreBuildCollision())
+				{
+					// Tried to place a block *into* another?
+					return;  // Happens when you place a block aiming at side of block like torch or stem
+				}
+			}
+			
+			cBlockHandler * NewBlock = BlockHandler(ItemHandler->GetBlockType());
+
+			// Cannot be placed on the side of an other block
+			if ((a_BlockFace != BLOCK_FACE_TOP) && !NewBlock->CanBePlacedOnSide())
+			{
+				return;
+			}
+
+			if (NewBlock->CanBePlacedAt(World, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace))
+			{
+				ItemHandler->PlaceBlock(World, m_Player, &m_Player->GetInventory().GetEquippedItem(), a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
+				// Step sound with 0.8f pitch is used as block placement sound
+				World->BroadcastSoundEffect(NewBlock->GetStepSound(),a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 1.0f, 0.8f);
+			}
+			else
+			{
+				World->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player);  // Send the old block back to the player
+				return;
+			}
+			
+		}
+		else if (ItemHandler->IsFood())
+		{
+			cItem Item;
+			Item.m_ItemID = Equipped.m_ItemID;
+			Item.m_ItemCount = 1;
+			if (ItemHandler->EatItem(m_Player, &Item))
+			{
+				ItemHandler->OnFoodEaten(World, m_Player, &Item);
+				m_Player->GetInventory().RemoveItem(Item);
+				return;
+			}
+		}
+	}
+}
+
+
+
+
+
+void cClientHandle::HandleChat(const AString & a_Message)
+{
+	if (!cRoot::Get()->GetServer()->Command(*this, a_Message))
+	{
+		AString Msg;
+		Printf(Msg, "<%s%s%s> %s",
+			m_Player->GetColor().c_str(),
+			m_Player->GetName().c_str(),
+			cChatColor::White.c_str(),
+			a_Message.c_str()
+		);
+		m_Player->GetWorld()->BroadcastChat(Msg);
+	}
+}
+
+
+
+
+
+void cClientHandle::HandlePlayerLook(float a_Rotation, float a_Pitch, bool a_IsOnGround)
+{
+	m_Player->SetRotation   (a_Rotation);
+	m_Player->SetPitch      (a_Pitch);
+	m_Player->SetTouchGround(a_IsOnGround);
+	m_Player->WrapRotation();
+}
+
+
+
+
+
+void cClientHandle::HandlePlayerMoveLook(double a_PosX, double a_PosY, double a_PosZ, double a_Stance, float a_Rotation, float a_Pitch, bool a_IsOnGround)
+{
+	/*
+	// TODO: Invalid stance check
+	if ((a_PosY >= a_Stance) || (a_Stance > a_PosY + 1.65))
+	{
+		LOGD("Invalid stance");
+		SendPlayerMoveLook();
+		return;
+	}
+	*/
+	switch (m_State)
+	{
+		case csPlaying:
+		{
+			m_Player->MoveTo(Vector3d(a_PosX, a_PosY, a_PosZ));
+			m_Player->SetStance     (a_Stance);
+			m_Player->SetTouchGround(a_IsOnGround);
+			m_Player->SetRotation   (a_Rotation);
+			m_Player->SetPitch      (a_Pitch);
+			m_Player->WrapRotation();
+			break;
+		}
+		
+		case csDownloadingWorld:
+		{
+			Vector3d ReceivedPosition = Vector3d(a_PosX, a_PosY, a_PosZ);
+			// LOGD("Received MoveLook confirmation: {%0.2f %0.2f %0.2f}", a_PosX, a_PosY, a_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)
+			{
+				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(), sqrt(Dist));
+				LOGD("  Expected pos: {%0.2f, %0.2f, %0.2f}", m_ConfirmPosition.x, m_ConfirmPosition.y, m_ConfirmPosition.z);
+				LOGD("  Received pos: {%0.2f, %0.2f, %0.2f}", a_PosX, a_PosY, a_PosZ);
+				m_ConfirmPosition = m_Player->GetPosition();
+				SendPlayerMoveLook();
+			}
+			break;
+		}
+	}
+}
+
+
+
+
+
+void cClientHandle::HandleAnimation(char a_Animation)
+{
+	m_Player->GetWorld()->BroadcastPlayerAnimation(*m_Player, a_Animation, this);
+}
+
+
+
+
+
+void cClientHandle::HandleSlotSelected(short a_SlotNum)
+{
+	m_Player->GetInventory().SetEquippedSlot(a_SlotNum);
+	m_Player->GetWorld()->BroadcastEntityEquipment(*m_Player, 0, m_Player->GetInventory().GetEquippedItem(), this);
+}
+
+
+
+
+
+void cClientHandle::HandleWindowClose(char a_WindowID)
+{
+	m_Player->CloseWindow(a_WindowID);
+}
+
+
+
+
+
+void cClientHandle::HandleWindowClick(char a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem)
+{
+	LOGD("WindowClick: WinID %d, SlotNum %d, IsRclk %d, IsShift %d, Item %s x %d",
+		a_WindowID, a_SlotNum, a_IsRightClick, a_IsShiftPressed,
+		ItemToString(a_HeldItem).c_str(), a_HeldItem.m_ItemCount
+	);
+	
+	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(*m_Player, a_WindowID, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
+}
+
+
+
+
+
+void cClientHandle::HandleUpdateSign(
+	int a_BlockX, int a_BlockY, int a_BlockZ, 
+	const AString & a_Line1, const AString & a_Line2, 
+	const AString & a_Line3, const AString & a_Line4
+)
+{
+	cWorld * World = m_Player->GetWorld();
+	World->UpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, m_Player);
+}
+
+
+
+
+
+void cClientHandle::HandleUseEntity(int a_TargetEntityID, bool a_IsLeftClick)
+{
+	if (!a_IsLeftClick)
+	{
+		// TODO: we don't handle right-clicking yet
+		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_TargetEntityID, Callback);
+}
+
+
+
+
+
+void cClientHandle::HandleRespawn(void)
+{
+	m_Player->Respawn();
+}
+
+
+
+
+
+void cClientHandle::HandleDisconnect(const AString & a_Reason)
+{
+	LOGD("Received d/c packet from \"%s\" with reason \"%s\"", m_Username.c_str(), a_Reason.c_str());
+	if (!cRoot::Get()->GetPluginManager()->CallHookDisconnect(m_Player, a_Reason))
+	{
+		AString DisconnectMessage;
+		Printf(DisconnectMessage, "%s disconnected: %s", m_Username.c_str(), a_Reason.c_str());
+		m_Player->GetWorld()->BroadcastChat(DisconnectMessage, this);
+	}
+	Destroy();
+}
+
+
+
+
+
+void cClientHandle::HandleKeepAlive(int a_KeepAliveID)
+{
+	if (a_KeepAliveID == m_PingID)
+	{
+		cTimer t1;
+		m_Ping = (short)((t1.GetNowTime() - m_PingStartTime) / 2);
+	}
+}
+
+
+
+
+
+bool cClientHandle::HandleHandshake(const AString & a_Username)
+{
+	if (!cRoot::Get()->GetPluginManager()->CallHookHandshake(this, a_Username))
+	{
+		if (cRoot::Get()->GetDefaultWorld()->GetNumPlayers() >= cRoot::Get()->GetDefaultWorld()->GetMaxPlayers())
+		{
+			Kick("The server is currently full :(-- Try again later");
+			return false;
+		}
+	}
+	return true;
+}
+
+
+
+
+
+void cClientHandle::SendData(const char * a_Data, int a_Size)
+{
+	{
+		cCSLock Lock(m_CSOutgoingData);
+		
+		// _X 2012_09_06: We need an overflow buffer, usually when streaming the initial chunks
+		if (m_OutgoingDataOverflow.empty())
+		{
+			// No queued overflow data; if this packet fits into the ringbuffer, put it in, otherwise put it in the overflow buffer:
+			int CanFit = m_OutgoingData.GetFreeSpace();
+			if (CanFit > a_Size)
+			{
+				CanFit = a_Size;
+			}
+			if (CanFit > 0)
+			{
+				m_OutgoingData.Write(a_Data, CanFit);
+			}
+			if (a_Size > CanFit)
+			{
+				m_OutgoingDataOverflow.append(a_Data + CanFit, a_Size - CanFit);
+			}
+		}
+		else
+		{
+			// There is a queued overflow. Append to it, then send as much from its front as possible
+			m_OutgoingDataOverflow.append(a_Data, a_Size);
+			int CanFit = m_OutgoingData.GetFreeSpace();
+			if (CanFit > 128)
+			{
+				// No point in moving the data over if it's not large enough - too much effort for too little an effect
+				m_OutgoingData.Write(m_OutgoingDataOverflow.data(), CanFit);
+				m_OutgoingDataOverflow.erase(0, CanFit);
+			}
+		}
+	}  // Lock(m_CSOutgoingData)
+	
+	// Notify SocketThreads that we have something to write:
+	cRoot::Get()->GetServer()->NotifyClientWrite(this);
+}
+
+
+
+
+
+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
+	{
+		SendDisconnect("Nooooo!! You timed out! D: Come back!");
+
+		// TODO: Cannot sleep in the tick thread!
+		cSleep::MilliSleep(1000);  // Give packet some time to be received
+
+		Destroy();
+	}
+	
+	if ((m_State == csDownloadingWorld) && m_ShouldCheckDownloaded)
+	{
+		CheckIfWorldDownloaded();
+		m_ShouldCheckDownloaded = false;
+	}
+	
+	cTimer t1;
+	// Send ping packet
+	if (
+		(m_Player != NULL) &&  // Is logged in?
+		(m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime())
+	)
+	{
+		m_PingID++;
+		m_PingStartTime = t1.GetNowTime();
+		m_Protocol->SendKeepAlive(m_PingID);
+		m_LastPingTime = m_PingStartTime;
+	}
+}
+
+
+
+
+
+void cClientHandle::SendDisconnect(const AString & a_Reason)
+{
+	LOGD("Sending a DC: \"%s\"", a_Reason.c_str());
+	m_Protocol->SendDisconnect(a_Reason);
+}
+
+
+
+
+
+void cClientHandle::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
+{
+	m_Protocol->SendInventorySlot(a_WindowID, a_SlotNum, a_Item);
+}
+
+
+
+
+
+void cClientHandle::SendChat(const AString & a_Message)
+{
+	m_Protocol->SendChat(a_Message);
+}
+
+
+
+
+
+void cClientHandle::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation)
+{
+	m_Protocol->SendPlayerAnimation(a_Player, a_Animation);
+}
+
+
+
+
+
+void cClientHandle::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+	m_Protocol->SendEntityEquipment(a_Entity, a_SlotNum, a_Item);
+}
+
+
+
+
+
+void cClientHandle::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots)
+{
+	m_Protocol->SendWindowOpen(a_WindowID, a_WindowType, a_WindowTitle, a_NumSlots);
+}
+
+
+
+
+
+void cClientHandle::SendWindowClose(char a_WindowID)
+{
+	m_Protocol->SendWindowClose(a_WindowID);
+}
+
+
+
+
+
+void cClientHandle::SendWholeInventory(const cInventory & a_Inventory)
+{
+	m_Protocol->SendWholeInventory(a_Inventory);
+}
+
+
+
+
+
+void cClientHandle::SendWholeInventory(const cWindow & a_Window)
+{
+	m_Protocol->SendWholeInventory(a_Window);
+}
+
+
+
+
+
+void cClientHandle::SendTeleportEntity(const cEntity & a_Entity)
+{
+	m_Protocol->SendTeleportEntity(a_Entity);
+}
+
+
+
+
+
+void cClientHandle::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
+{
+	m_Protocol->SendPlayerListItem(a_Player, a_IsOnline);
+}
+
+
+
+
+
+void cClientHandle::SendPlayerPosition(void)
+{
+	m_Protocol->SendPlayerPosition();
+}
+
+
+
+
+
+void cClientHandle::SendEntRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+	ASSERT(a_Entity.GetUniqueID() != m_Player->GetUniqueID());  // Must not send for self
+	
+	m_Protocol->SendEntRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ);
+}
+
+
+
+
+
+void cClientHandle::SendEntRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+	ASSERT(a_Entity.GetUniqueID() != m_Player->GetUniqueID());  // Must not send for self
+	
+	m_Protocol->SendEntRelMove(a_Entity, a_RelX, a_RelY, a_RelZ);
+}
+
+
+
+
+
+void cClientHandle::SendEntLook(const cEntity & a_Entity)
+{
+	ASSERT(a_Entity.GetUniqueID() != m_Player->GetUniqueID());  // Must not send for self
+	
+	m_Protocol->SendEntLook(a_Entity);
+}
+
+
+
+
+
+void cClientHandle::SendEntHeadLook(const cEntity & a_Entity)
+{
+	ASSERT(a_Entity.GetUniqueID() != m_Player->GetUniqueID());  // Must not send for self
+	
+	m_Protocol->SendEntHeadLook(a_Entity);
+}
+
+
+
+
+
+void cClientHandle::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
+{
+	m_Protocol->SendBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType);
+}
+
+
+
+
+
+void cClientHandle::SendHealth(void)
+{
+	m_Protocol->SendHealth();
+}
+
+
+
+
+
+void cClientHandle::SendRespawn(void)
+{
+	m_Protocol->SendRespawn();
+}
+
+
+
+
+
+void cClientHandle::SendGameMode(eGameMode a_GameMode)
+{
+	m_Protocol->SendGameMode(a_GameMode);
+}
+
+
+
+
+
+void cClientHandle::SendDestroyEntity(const cEntity & a_Entity)
+{
+	m_Protocol->SendDestroyEntity(a_Entity);
+}
+
+
+
+
+
+void cClientHandle::SendPlayerMoveLook(void)
+{
+	/*
+	LOGD("Sending PlayerMoveLook: {%0.2f, %0.2f, %0.2f}, stance %0.2f, OnGround: %d",
+		m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ(), m_Player->GetStance(), m_Player->IsOnGround() ? 1 : 0
+	);
+	*/
+	m_Protocol->SendPlayerMoveLook();
+}
+
+
+
+
+
+void cClientHandle::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+	m_Protocol->SendEntityStatus(a_Entity, a_Status);
+}
+
+
+
+
+
+void cClientHandle::SendMetadata(const cPawn & a_Pawn)
+{
+	m_Protocol->SendMetadata(a_Pawn);
+}
+
+
+
+
+
+void cClientHandle::SendInventoryProgress(char a_WindowID, short a_ProgressBar, short a_Value)
+{
+	m_Protocol->SendInventoryProgress(a_WindowID, a_ProgressBar, a_Value);
+}
+
+
+
+
+
+void cClientHandle::SendPlayerSpawn(const cPlayer & a_Player)
+{
+	if (a_Player.GetUniqueID() == m_Player->GetUniqueID())
+	{
+		// Do NOT send this packet to myself
+		return;
+	}
+	
+	LOG("Spawning player \"%s\" on client \"%s\" @ %s", 
+		a_Player.GetName().c_str(), GetPlayer()->GetName().c_str(), GetIPString().c_str()
+	);
+	
+	m_Protocol->SendPlayerSpawn(a_Player);
+}
+
+
+
+
+
+void cClientHandle::SendPickupSpawn(const cPickup & a_Pickup)
+{
+	m_Protocol->SendPickupSpawn(a_Pickup);
+}
+
+
+
+
+
+void cClientHandle::SendSpawnMob(const cMonster & a_Mob)
+{
+	m_Protocol->SendSpawnMob(a_Mob);
+}
+
+
+
+
+
+void cClientHandle::SendUpdateSign(
+	int a_BlockX, int a_BlockY, int a_BlockZ,
+	const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4
+)
+{
+	m_Protocol->SendUpdateSign(
+		a_BlockX, a_BlockY, a_BlockZ,
+		a_Line1, a_Line2, a_Line3, a_Line4
+	);
+}
+
+
+
+
+
+void cClientHandle::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player)
+{
+	m_Protocol->SendCollectPickup(a_Pickup, a_Player);
+}
+
+
+
+
+
+void cClientHandle::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
+{
+	m_Protocol->SendBlockChange(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
+}
+
+
+
+
+
+void cClientHandle::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
+{
+	m_Protocol->SendBlockChanges(a_ChunkX, a_ChunkZ, a_Changes);
+}
+
+
+
+
+
+void cClientHandle::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+{
+	m_Protocol->SendUnloadChunk(a_ChunkX, a_ChunkZ);
+}
+
+
+
+
+
+void cClientHandle::SendWeather(eWeather a_Weather)
+{
+	m_Protocol->SendWeather(a_Weather);
+}
+
+
+
+
+
+void cClientHandle::SendTimeUpdate(Int64 a_WorldTime)
+{
+	m_Protocol->SendTimeUpdate(a_WorldTime);
+}
+
+
+
+
+
+void cClientHandle::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	m_Protocol->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ);
+}
+
+
+
+
+
+void cClientHandle::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch)
+{
+	m_Protocol->SendSoundEffect(a_SoundName, a_SrcX, a_SrcY, a_SrcZ, a_Volume, a_Pitch);
+}
+
+
+
+
+
+void cClientHandle::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
+{
+	// Check chunks being sent, erase them from m_ChunksToSend:
+	bool Found = false;
+	{
+		cCSLock Lock(m_CSChunkLists);
+		for (cChunkCoordsList::iterator itr = m_ChunksToSend.begin(); itr != m_ChunksToSend.end(); ++itr)
+		{
+			if ((itr->m_ChunkX == a_ChunkX) && (itr->m_ChunkZ == a_ChunkZ))
+			{
+				m_ChunksToSend.erase(itr);
+				
+				// Make the tick thread check if all the needed chunks have been downloaded
+				//   -- needed to offload this from here due to a deadlock possibility
+				m_ShouldCheckDownloaded = true;
+				
+				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;
+	}
+	
+	m_Protocol->SendChunkData(a_ChunkX, a_ChunkZ, a_Serializer);
+}
+
+
+
+
+
+void cClientHandle::CheckIfWorldDownloaded(void)
+{
+	if (m_State != csDownloadingWorld)
+	{
+		return;
+	}
+	
+	bool ShouldSendConfirm = false;
+	{
+		cCSLock Lock(m_CSChunkLists);
+		ShouldSendConfirm = m_ChunksToSend.empty();
+	}
+	
+	if (ShouldSendConfirm)
+	{
+		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~
+		cRoot::Get()->GetServer()->BroadcastChat(m_Username + " joined the game!", this);
+	}
+
+	SendPlayerMoveLook();
+}
+
+
+
+
+
+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::PacketBufferFull(void)
+{
+	// Too much data in the incoming queue, the server is probably too busy, kick the client:
+	LOGERROR("Too much data in queue for client \"%s\" @ %s, kicking them.", m_Username.c_str(), m_Socket.GetIPString().c_str());
+	SendDisconnect("Server busy");
+	// TODO: QueueDestroy();
+	cSleep::MilliSleep(1000); // Give packet some time to be received
+	Destroy();
+}
+
+
+
+
+
+void cClientHandle::PacketUnknown(unsigned char a_PacketType)
+{
+	LOGERROR("Unknown packet type 0x%02x from client \"%s\" @ %s", a_PacketType, m_Username.c_str(), m_Socket.GetIPString().c_str());
+
+	AString Reason;
+	Printf(Reason, "[C->S] Unknown PacketID: 0x%02x", a_PacketType);
+	SendDisconnect(Reason);
+	// TODO: QueueDestroy();
+	cSleep::MilliSleep(1000); // Give packet some time to be received
+	Destroy();
+}
+
+
+
+
+
+void cClientHandle::PacketError(unsigned char a_PacketType)
+{
+	LOGERROR("Protocol error while parsing packet type 0x%02x; disconnecting client \"%s\"", a_PacketType, m_Username.c_str());
+	SendDisconnect("Protocol error");
+	// TODO: QueueDestroy();
+	cSleep::MilliSleep(1000); // Give packet some time to be received
+	Destroy();
+}
+
+
+
+
+
+void cClientHandle::DataReceived(const char * a_Data, int a_Size)
+{
+	// Data is received from the client, hand it off to the protocol:
+	m_Protocol->DataReceived(a_Data, a_Size);
+	m_TimeLastPacket = cWorld::GetTime();
+}
+
+
+
+
+
+void cClientHandle::GetOutgoingData(AString & a_Data)
+{
+	// Data can be sent to client
+	{
+		cCSLock Lock(m_CSOutgoingData);
+		m_OutgoingData.ReadAll(a_Data);
+		m_OutgoingData.CommitRead();
+		a_Data.append(m_OutgoingDataOverflow);
+		m_OutgoingDataOverflow.clear();
+	}
+
+	// Disconnect player after all packets have been sent
+	if (m_bKicking && a_Data.empty())
+	{
+		Destroy();
+	}
+}
+
+
+
+
+
+void cClientHandle::SocketClosed(void)
+{
+	// The socket has been closed for any reason
+	
+	// TODO
+	/*
+	self->Destroy();
+	LOG("Client \"%s\" disconnected", GetLogName().c_str());
+	*/
+}
+
+
+
+
+
+