cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) :
	super(pkArrow, &a_Player, a_Player.GetThrowStartPos(), a_Player.GetThrowSpeed(a_Force * 1.5 * 20), 0.5, 0.5),
	m_PickupState(psInSurvivalOrCreative),
	m_DamageCoeff(2),
	m_IsCritical((a_Force >= 1))
{
}

void cSheep::OnRightClicked(cPlayer & a_Player)
{
	const cItem & EquippedItem = a_Player.GetEquippedItem();
	if ((EquippedItem.m_ItemType == E_ITEM_SHEARS) && !IsSheared() && !IsBaby())
	{
		m_IsSheared = true;
		m_World->BroadcastEntityMetadata(*this);
		a_Player.UseEquippedItem();

		cItems Drops;
		int NumDrops = m_World->GetTickRandomNumber(2) + 1;
		Drops.push_back(cItem(E_BLOCK_WOOL, NumDrops, m_WoolColor));
		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ(), 10);
		m_World->BroadcastSoundEffect("mob.sheep.shear", GetPosX(), GetPosY(), GetPosZ(), 1.0f, 1.0f);
	}
	else if ((EquippedItem.m_ItemType == E_ITEM_DYE) && (m_WoolColor != 15 - EquippedItem.m_ItemDamage))
	{
		m_WoolColor = 15 - EquippedItem.m_ItemDamage;
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
		}
		m_World->BroadcastEntityMetadata(*this);
	}
}

void cRideableMinecart::OnRightClicked(cPlayer & a_Player)
{
	super::OnRightClicked(a_Player);

	if (m_Attachee != NULL)
	{
		if (m_Attachee->GetUniqueID() == a_Player.GetUniqueID())
		{
			// This player is already sitting in, they want out.
			a_Player.Detach();
			return;
		}
		
		if (m_Attachee->IsPlayer())
		{
			// Another player is already sitting in here, cannot attach
			return;
		}
		
		// Detach whatever is sitting in this minecart now:
		m_Attachee->Detach();
	}
	
	// Attach the player to this minecart
	a_Player.AttachTo(this);
}

void cSlotArea::DblClicked(cPlayer & a_Player, int a_SlotNum)
{
	cItem & Dragging = a_Player.GetDraggingItem();
	if (Dragging.IsEmpty())
	{
		// Move the item in the dblclicked slot into hand:
		Dragging = *GetSlot(a_SlotNum, a_Player);
		cItem EmptyItem;
		SetSlot(a_SlotNum, a_Player, EmptyItem);
	}
	if (Dragging.IsEmpty())
	{
		LOGD("%s DblClicked with an empty hand over empty slot, ignoring", a_Player.GetName().c_str());
		return;
	}
	
	// Add as many items from the surrounding area into hand as possible:
	// First skip full stacks, then if there's still space, process full stacks as well:
	if (!m_ParentWindow.CollectItemsToHand(Dragging, *this, a_Player, false))
	{
		m_ParentWindow.CollectItemsToHand(Dragging, *this, a_Player, true);
	}
	
	m_ParentWindow.BroadcastWholeWindow();  // We need to broadcast, in case the window was a chest opened by multiple players
}

void cItemFrame::OnRightClicked(cPlayer & a_Player)
{
	if (!m_Item.IsEmpty())
	{
		// Item not empty, rotate, clipping values to zero to three inclusive
		m_Rotation++;
		if (m_Rotation >= 4)
		{
			m_Rotation = 0;
		}
	}
	else if (!a_Player.GetEquippedItem().IsEmpty())
	{
		// Item empty, and player held item not empty - add this item to self
		m_Item = a_Player.GetEquippedItem();
		m_Item.m_ItemCount = 1;

		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
		}
	}

	GetWorld()->BroadcastEntityMetadata(*this); // Update clients
}

void cBeaconWindow::OpenedByPlayer(cPlayer & a_Player)
{
	super::OpenedByPlayer(a_Player);

	a_Player.GetClientHandle()->SendWindowProperty(*this, 0, m_Beacon->GetBeaconLevel());
	a_Player.GetClientHandle()->SendWindowProperty(*this, 1, m_Beacon->GetPrimaryEffect());
	a_Player.GetClientHandle()->SendWindowProperty(*this, 2, m_Beacon->GetSecondaryEffect());
}

void cBlockBedHandler::OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, const sSetBlock & a_BlockChange)
{
	a_Player.GetWorld()->DoWithBedAt(a_BlockChange.GetX(), a_BlockChange.GetY(), a_BlockChange.GetZ(), [&](cBedEntity & a_Bed)
		{
			a_Bed.SetColor(a_Player.GetEquippedItem().m_ItemDamage);
			return true;
		}
	);
}

void cMap::UpdateRadius(cPlayer & a_Player, unsigned int a_Radius)
{
	int PixelWidth = static_cast<int>(GetPixelWidth());

	int PixelX = static_cast<int>(a_Player.GetPosX() - m_CenterX) / PixelWidth + static_cast<int>(m_Width  / 2);
	int PixelZ = static_cast<int>(a_Player.GetPosZ() - m_CenterZ) / PixelWidth + static_cast<int>(m_Height / 2);

	UpdateRadius(PixelX, PixelZ, a_Radius);
}

void cMooshroom::OnRightClicked(cPlayer & a_Player)
{
	switch (a_Player.GetEquippedItem().m_ItemType)
	{
		case E_ITEM_BUCKET:
		{
			if (!a_Player.IsGameModeCreative())
			{
				a_Player.GetInventory().RemoveOneEquippedItem();
				a_Player.GetInventory().AddItem(E_ITEM_MILK);
			}
		} break;
		case E_ITEM_BOWL:
		{
			if (!a_Player.IsGameModeCreative())
			{
				a_Player.GetInventory().RemoveOneEquippedItem();
				a_Player.GetInventory().AddItem(E_ITEM_MUSHROOM_SOUP);
			}
		} break;
		case E_ITEM_SHEARS:
		{
			if (!a_Player.IsGameModeCreative())
			{
				a_Player.UseEquippedItem();
			}

			cItems Drops;
			Drops.push_back(cItem(E_BLOCK_RED_MUSHROOM, 5, 0));
			m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ(), 10);
			m_World->SpawnMob(GetPosX(), GetPosY(), GetPosZ(), mtCow, false);
			Destroy();
		} break;
	}
}

void cSlotAreaAnvil::OnTakeResult(cPlayer & a_Player)
{
	if (!a_Player.IsGameModeCreative())
	{
		a_Player.DeltaExperience(-cPlayer::XpForLevel(m_MaximumCost));
	}
	SetSlot(0, a_Player, cItem());

	if (m_StackSizeToBeUsedInRepair > 0)
	{
		const cItem * Item = GetSlot(1, a_Player);
		if (!Item->IsEmpty() && (Item->m_ItemCount > m_StackSizeToBeUsedInRepair))
		{
			cItem NewSecondItem(*Item);
			NewSecondItem.m_ItemCount -= m_StackSizeToBeUsedInRepair;
			m_StackSizeToBeUsedInRepair = 0;
			SetSlot(1, a_Player, NewSecondItem);
		}
		else
		{
			SetSlot(1, a_Player, cItem());
		}
	}
	else
	{
		SetSlot(1, a_Player, cItem());
	}
	m_ParentWindow.SetProperty(0, m_MaximumCost, a_Player);

	m_MaximumCost = 0;
	((cAnvilWindow*)&m_ParentWindow)->SetRepairedItemName("", NULL);

	int PosX, PosY, PosZ;
	((cAnvilWindow*)&m_ParentWindow)->GetBlockPos(PosX, PosY, PosZ);

	BLOCKTYPE Block;
	NIBBLETYPE BlockMeta;
	a_Player.GetWorld()->GetBlockTypeMeta(PosX, PosY, PosZ, Block, BlockMeta);

	cFastRandom Random;
	if (!a_Player.IsGameModeCreative() && (Block == E_BLOCK_ANVIL) && (Random.NextFloat(1.0F) < 0.12F))
	{
		NIBBLETYPE Orientation = BlockMeta & 0x3;
		NIBBLETYPE AnvilDamage = BlockMeta >> 2;
		++AnvilDamage;

		if (AnvilDamage > 2)
		{
			// Anvil will break
			a_Player.GetWorld()->SetBlock(PosX, PosY, PosZ, E_BLOCK_AIR, (NIBBLETYPE)0);
			a_Player.GetWorld()->BroadcastSoundParticleEffect(1020, PosX, PosY, PosZ, 0);
			a_Player.CloseWindow(false);
		}
		else
		{
			a_Player.GetWorld()->SetBlockMeta(PosX, PosY, PosZ, Orientation | (AnvilDamage << 2));
			a_Player.GetWorld()->BroadcastSoundParticleEffect(1021, PosX, PosY, PosZ, 0);
		}
	}

cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) :
	super(pkArrow, &a_Player, a_Player.GetThrowStartPos(), a_Player.GetThrowSpeed(a_Force * 1.5 * 20), 0.5, 0.5),
	m_PickupState(psInSurvivalOrCreative),
	m_DamageCoeff(2),
	m_IsCritical((a_Force >= 1)),
	m_Timer(0),
	m_HitGroundTimer(0),
	m_bIsCollected(false),
	m_HitBlockPos(0, 0, 0)
{
}

bool cArrowEntity::CanPickup(const cPlayer & a_Player) const
{
	switch (m_PickupState)
	{
		case psNoPickup:             return false;
		case psInSurvivalOrCreative: return (a_Player.IsGameModeSurvival() || a_Player.IsGameModeCreative());
		case psInCreative:           return a_Player.IsGameModeCreative();
	}
	ASSERT(!"Unhandled pickup state");
	return false;
}

void cCow::OnRightClicked(cPlayer & a_Player)
{
	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_BUCKET))
	{
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
			a_Player.GetInventory().AddItem(E_ITEM_MILK);
		}
	}
}

cPluginManager::CommandResult cPluginManager::HandleCommand(cPlayer & a_Player, const AString & a_Command, bool a_ShouldCheckPermissions)
{
	AStringVector Split(StringSplit(a_Command, " "));
	if (Split.empty())
	{
		return crUnknownCommand;
	}

	CommandMap::iterator cmd = m_Commands.find(Split[0]);
	if (cmd == m_Commands.end())
	{
		// Command not found
		// If it started with a slash, ask the plugins if they still want to handle it:
		if (!a_Command.empty() && (a_Command[0] == '/'))
		{
			CommandResult Result = crUnknownCommand;
			CallHookExecuteCommand(&a_Player, Split, a_Command, Result);
			return Result;
		}
		return crUnknownCommand;
	}

	// Ask plugins first if a command is okay to execute the command:
	CommandResult Result = crBlocked;
	if (CallHookExecuteCommand(&a_Player, Split, a_Command, Result))
	{
		if (Result == crBlocked)
		{
			LOGINFO("Player %s tried executing command \"%s\" that was stopped by the HOOK_EXECUTE_COMMAND hook", a_Player.GetName().c_str(), Split[0].c_str());
		}
		return Result;
	}

	if (
		a_ShouldCheckPermissions &&
		!cmd->second.m_Permission.empty() &&
		!a_Player.HasPermission(cmd->second.m_Permission)
	)
	{
		LOGINFO("Player %s tried to execute forbidden command: \"%s\"", a_Player.GetName().c_str(), Split[0].c_str());
		return crNoPermission;
	}

	ASSERT(cmd->second.m_Handler != nullptr);

	if (!cmd->second.m_Handler->ExecuteCommand(Split, &a_Player, a_Command, nullptr))
	{
		return crError;
	}

	return crExecuted;
}

void cMinecartWithFurnace::OnRightClicked(cPlayer & a_Player)
{
	if (a_Player.GetEquippedItem().m_ItemType == E_ITEM_COAL)
	{
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
		}

		m_IsFueled = true;
		m_World->BroadcastEntityMetadata(*this);
	}
}

void cSlotArea::MiddleClicked(cPlayer & a_Player, int a_SlotNum)
{
	cItem Slot(*GetSlot(a_SlotNum, a_Player));
	cItem & DraggingItem = a_Player.GetDraggingItem();

	if (!a_Player.IsGameModeCreative() || Slot.IsEmpty() || !DraggingItem.IsEmpty())
	{
		return;
	}

	DraggingItem = Slot;
	DraggingItem.m_ItemCount = DraggingItem.GetMaxStackSize();
}

void cSheep::OnRightClicked(cPlayer & a_Player)
{
	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_SHEARS) && (!m_IsSheared))
	{
		m_IsSheared = true;
		m_World->BroadcastEntityMetadata(*this);

		if (!a_Player.IsGameModeCreative())
		{
			a_Player.UseEquippedItem();
		}

		cItems Drops;
		int NumDrops = m_World->GetTickRandomNumber(2) + 1;
		Drops.push_back(cItem(E_BLOCK_WOOL, NumDrops, m_WoolColor));
		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ(), 10);
	}
	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_DYE) && (m_WoolColor != 15 - a_Player.GetEquippedItem().m_ItemDamage))
	{
		m_WoolColor = 15 - a_Player.GetEquippedItem().m_ItemDamage;
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
		}
		m_World->BroadcastEntityMetadata(*this);
	}
}

void cCreeper::OnRightClicked(cPlayer & a_Player)
{
	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_FLINT_AND_STEEL))
	{
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.UseEquippedItem();
		}
		m_World->BroadcastSoundEffect("game.tnt.primed", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 1.f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
		m_bIsBlowing = true;
		m_World->BroadcastEntityMetadata(*this);
		m_BurnedWithFlintAndSteel = true;
	}
}

void cMonster::OnRightClicked(cPlayer & a_Player)
{
	super::OnRightClicked(a_Player);

	const cItem & EquippedItem = a_Player.GetEquippedItem();
	if ((EquippedItem.m_ItemType == E_ITEM_NAME_TAG) && !EquippedItem.m_CustomName.empty())
	{
		SetCustomName(EquippedItem.m_CustomName);
		if (!a_Player.IsGameModeCreative())
		{
			a_Player.GetInventory().RemoveOneEquippedItem();
		}
	}
}

void cProtocol132::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
{
	cCSLock Lock(m_CSPacket);
	WriteByte  (PACKET_LOGIN);
	WriteInt   (a_Player.GetUniqueID());  // EntityID of the player
	WriteString("default");  // Level type
	WriteByte  ((Byte)a_Player.GetGameMode());
	WriteByte  ((Byte)(a_World.GetDimension()));
	WriteByte  (2);  // TODO: Difficulty
	WriteByte  (0);  // Unused, used to be world height
	WriteByte  (8);  // Client list width or something
	Flush();
	m_LastSentDimension = a_World.GetDimension();
	SendCompass(a_World);
}