35 files changed, 1573 insertions, 1564 deletions

diff --git a/VC2008/MCServer.vcproj b/VC2008/MCServer.vcproj
index 52ac9b5f3..f2222dd5e 100644
--- a/VC2008/MCServer.vcproj
+++ b/VC2008/MCServer.vcproj
@@ -1040,47 +1040,23 @@
 				Name="UI"

 				>

 				<File

-					RelativePath="..\source\cCraftingWindow.cpp"

+					RelativePath="..\source\UI\cWindow.cpp"

 					>

 				</File>

 				<File

-					RelativePath="..\source\cCraftingWindow.h"

+					RelativePath="..\source\UI\cWindow.h"

 					>

 				</File>

 				<File

-					RelativePath="..\source\cCreativeInventory.cpp"

+					RelativePath="..\source\UI\cWindowOwner.h"

 					>

 				</File>

 				<File

-					RelativePath="..\source\cCreativeInventory.h"

+					RelativePath="..\source\UI\SlotArea.cpp"

 					>

 				</File>

 				<File

-					RelativePath="..\source\cFurnaceWindow.cpp"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cFurnaceWindow.h"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cSurvivalInventory.cpp"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cSurvivalInventory.h"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cWindow.cpp"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cWindow.h"

-					>

-				</File>

-				<File

-					RelativePath="..\source\cWindowOwner.h"

+					RelativePath="..\source\UI\SlotArea.h"

 					>

 				</File>

 			</Filter>

diff --git a/source/BlockID.cpp b/source/BlockID.cpp
index 3652938c2..9cdc05c58 100644
--- a/source/BlockID.cpp
+++ b/source/BlockID.cpp
@@ -251,6 +251,17 @@ AString ItemTypeToString(short a_ItemType)
 
 
 
+AString ItemToFullString(const cItem & a_Item)
+{
+	AString res;
+	Printf(res, "%s:%d * %d", ItemToString(a_Item).c_str(), a_Item.m_ItemHealth, a_Item.m_ItemCount);
+	return res;
+}
+
+
+
+
+
 EMCSBiome StringToBiome(const AString & a_BiomeString)
 {
 	// If it is a number, return it:
diff --git a/source/BlockID.h b/source/BlockID.h
index 5833a6d1d..177f2f389 100644
--- a/source/BlockID.h
+++ b/source/BlockID.h
@@ -637,6 +637,9 @@ extern AString ItemToString(const cItem & a_Item);  // tolua_export
 /// Translates itemtype into a string. If the type is not recognized, the itemtype number is output into the string.
 extern AString ItemTypeToString(short a_ItemType);  // tolua_export
 
+/// Translates a full item into a fully-specified string (including meta and count). If the ItemType is not recognized, the ItemType number is output into the string.
+extern AString ItemToFullString(const cItem & a_Item);  // tolua_export
+
 /// Translates a biome string to biome enum. Takes either a number or a biome alias (built-in). Returns -1 on failure.
 extern EMCSBiome StringToBiome(const AString & a_BiomeString);
 
diff --git a/source/CraftingRecipes.cpp b/source/CraftingRecipes.cpp
index 38daa1fe8..f75434e75 100644
--- a/source/CraftingRecipes.cpp
+++ b/source/CraftingRecipes.cpp
@@ -26,7 +26,7 @@ cCraftingGrid::cCraftingGrid(int a_Width, int a_Height) :
 
 
 
-cCraftingGrid::cCraftingGrid(cItem * a_Items, int a_Width, int a_Height) :
+cCraftingGrid::cCraftingGrid(const cItem * a_Items, int a_Width, int a_Height) :
 	m_Width(a_Width),
 	m_Height(a_Height),
 	m_Items(new cItem[a_Width * a_Height])
diff --git a/source/CraftingRecipes.h b/source/CraftingRecipes.h
index 25f8fdae2..74d103f4d 100644
--- a/source/CraftingRecipes.h
+++ b/source/CraftingRecipes.h
@@ -26,7 +26,7 @@ class cCraftingGrid  // tolua_export
 public:
 	cCraftingGrid(const cCraftingGrid & a_Original);
 	cCraftingGrid(int a_Width, int a_Height);  // tolua_export
-	cCraftingGrid(cItem * a_Items, int a_Width, int a_Height);
+	cCraftingGrid(const cItem * a_Items, int a_Width, int a_Height);
 	~cCraftingGrid();
 	
 	// tolua_begin
diff --git a/source/Protocol125.cpp b/source/Protocol125.cpp
index adea37824..f9a13668b 100644
--- a/source/Protocol125.cpp
+++ b/source/Protocol125.cpp
@@ -2,6 +2,12 @@
 // Protocol125.cpp

 

 // Implements the cProtocol125 class representing the release 1.2.5 protocol (#29)

+/*

+Documentation:

+	- protocol: http://wiki.vg/wiki/index.php?title=Protocol&oldid=2513

+	- session handling: http://wiki.vg/wiki/index.php?title=Session&oldid=2262

+	- slot format: http://wiki.vg/wiki/index.php?title=Slot_Data&oldid=2152

+*/

 

 #include "Globals.h"

 

@@ -14,7 +20,7 @@
 #include "cPickup.h"

 #include "cPlayer.h"

 #include "cChatColor.h"

-#include "cWindow.h"

+#include "UI/cWindow.h"

 #include "cRoot.h"

 #include "cServer.h"

 

@@ -713,7 +719,7 @@ void cProtocol125::SendWeather(eWeather a_Weather)
 void cProtocol125::SendWholeInventory(const cInventory & a_Inventory)

 {

 	cCSLock Lock(m_CSPacket);

-	SendWholeInventory(0, a_Inventory.c_NumSlots, a_Inventory.GetSlots());

+	SendWindowSlots(0, a_Inventory.c_NumSlots, a_Inventory.GetSlots());

 }

 

 

@@ -723,11 +729,9 @@ void cProtocol125::SendWholeInventory(const cInventory & a_Inventory)
 void cProtocol125::SendWholeInventory(const cWindow & a_Window)

 {

 	cCSLock Lock(m_CSPacket);

-	SendWholeInventory(

-		(char)a_Window.GetWindowID(), 

-		a_Window.GetNumSlots(),

-		a_Window.GetSlots()

-	);

+	cItems Slots;

+	a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);

+	SendWindowSlots(a_Window.GetWindowID(), Slots.size(), &(Slots[0]));

 }

 

 

@@ -748,6 +752,10 @@ void cProtocol125::SendWindowClose(char a_WindowID)
 

 void cProtocol125::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots)

 {

+	LOGD("Sending a WindowOpen packet: ID = %d, Type = %d, Title = \"%s\", NumSlots = %d",

+		a_WindowID, a_WindowType, a_WindowTitle.c_str(), a_NumSlots

+	);

+	

 	if (a_WindowType < 0)

 	{

 		// Do not send for inventory windows

@@ -1246,8 +1254,11 @@ void cProtocol125::SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad)
 

 

 

-void cProtocol125::SendWholeInventory(char a_WindowID, int a_NumItems, const cItem * a_Items)

+void cProtocol125::SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items)

 {

+	LOGD("Sending a InventoryWhole packet: WindowID = %d, NumItems = %d",

+		a_WindowID, a_NumItems

+	);

 	WriteByte (PACKET_INVENTORY_WHOLE);

 	WriteByte (a_WindowID);

 	WriteShort((short)a_NumItems);

diff --git a/source/Protocol125.h b/source/Protocol125.h
index 41bb8deb5..daa2a8c55 100644
--- a/source/Protocol125.h
+++ b/source/Protocol125.h
@@ -119,8 +119,8 @@ protected:
 	/// Writes a "pre-chunk" packet

 	void SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad);

 	

-	/// Writes a "whole inventory" packet with the specified params

-	void SendWholeInventory(char a_WindowID, int a_NumItems, const cItem * a_Items);

+	/// Writes a "set window items" packet with the specified params

+	void SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items);

 	

 	/// Writes one item, "slot" as the protocol wiki calls it

 	virtual void WriteItem(const cItem & a_Item);

diff --git a/source/UI/SlotArea.cpp b/source/UI/SlotArea.cpp
new file mode 100644
index 000000000..744492bff
--- /dev/null
+++ b/source/UI/SlotArea.cpp
@@ -0,0 +1,569 @@
+

+// SlotArea.cpp

+

+// Implements the cSlotArea class and its descendants

+

+#include "Globals.h"

+#include "SlotArea.h"

+#include "../cPlayer.h"

+#include "../cChestEntity.h"

+#include "../cFurnaceEntity.h"

+#include "../Items/Item.h"

+#include "cWindow.h"

+#include "../CraftingRecipes.h"

+#include "../cRoot.h"

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotArea:

+

+cSlotArea::cSlotArea(int a_NumSlots, cWindow & a_ParentWindow) :

+	m_NumSlots(a_NumSlots),

+	m_ParentWindow(a_ParentWindow)

+{

+	LOGD("Created a new cSlotArea with %d slots", a_NumSlots);

+}

+

+

+

+

+

+void cSlotArea::Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem)

+{

+	LOGD("Slot area with %d slots clicked at slot number %d, clicked item %s, slot item %s", 

+		GetNumSlots(), a_SlotNum, 

+		ItemToFullString(a_ClickedItem).c_str(),

+		ItemToFullString(*GetSlot(a_SlotNum, a_Player)).c_str()

+	);

+	

+	ASSERT((a_SlotNum >= 0) && (a_SlotNum < GetNumSlots()));

+

+	bool bAsync = false;

+	if (GetSlot(a_SlotNum, a_Player) == NULL)

+	{

+		LOGWARNING("GetSlot(%d) returned NULL! Ignoring click", a_SlotNum);

+		return;

+	}

+	

+	cItem Slot(*GetSlot(a_SlotNum, a_Player));

+	if (!Slot.IsEqual(a_ClickedItem))

+	{

+		LOGD("*** Window lost sync ***");

+		LOGD("My Type:  %i Their Type:  %i", Slot.m_ItemID,     a_ClickedItem.m_ItemID);

+		LOGD("My Count: %i Their Count: %i", Slot.m_ItemCount,  a_ClickedItem.m_ItemCount);

+		LOGD("My Dmg:   %i Their Dmg:   %i", Slot.m_ItemHealth, a_ClickedItem.m_ItemHealth);

+		bAsync = true;

+	}

+	cItem & DraggingItem = a_Player.GetDraggingItem();

+	if (a_IsRightClick)

+	{

+		// Right clicked

+		if (DraggingItem.m_ItemID <= 0) // Empty-handed?

+		{

+			DraggingItem.m_ItemCount = (char)(((float)Slot.m_ItemCount) / 2.f + 0.5f);

+			Slot.m_ItemCount -= DraggingItem.m_ItemCount;

+			DraggingItem.m_ItemID = Slot.m_ItemID;

+			DraggingItem.m_ItemHealth = Slot.m_ItemHealth;

+

+			if (Slot.m_ItemCount <= 0)

+			{

+				Slot.Empty();

+			}

+		}

+		else if ((Slot.m_ItemID <= 0) || DraggingItem.IsEqual(Slot))

+		{

+			// Drop one item in slot

+			cItemHandler * Handler = ItemHandler(Slot.m_ItemID);

+			if ((DraggingItem.m_ItemCount > 0) && (Slot.m_ItemCount < Handler->GetMaxStackSize()))

+			{

+				Slot.m_ItemID = DraggingItem.m_ItemID;

+				Slot.m_ItemCount++;

+				Slot.m_ItemHealth = DraggingItem.m_ItemHealth;

+				DraggingItem.m_ItemCount--;

+			}

+			if (DraggingItem.m_ItemCount <= 0)

+			{

+				DraggingItem.Empty();

+			}

+		}

+		else if (!DraggingItem.IsEqual(Slot))

+		{

+			// Swap contents

+			cItem tmp(DraggingItem);

+			DraggingItem = Slot;

+			Slot = tmp;

+		}

+	}

+	else

+	{

+		// Left-clicked

+		if (!DraggingItem.IsEqual(Slot))

+		{

+			// Switch contents

+			cItem tmp(DraggingItem);

+			DraggingItem = Slot;

+			Slot = tmp;

+		}

+		else

+		{

+			// Same type, add items:

+			cItemHandler * Handler = ItemHandler(DraggingItem.m_ItemID);

+			int FreeSlots = Handler->GetMaxStackSize() - Slot.m_ItemCount;

+			if (FreeSlots < 0)

+			{

+				ASSERT(!"Bad item stack size - where did we get more items in a slot than allowed?");

+				FreeSlots = 0;

+			}

+			int Filling = (FreeSlots > DraggingItem.m_ItemCount) ? DraggingItem.m_ItemCount : FreeSlots;

+			Slot.m_ItemCount += (char)Filling;

+			DraggingItem.m_ItemCount -= (char)Filling;

+			if (DraggingItem.m_ItemCount <= 0)

+			{

+				DraggingItem.Empty();

+			}

+		}

+	}

+	

+	if (bAsync)

+	{

+		m_ParentWindow.BroadcastWholeWindow();

+	}

+	SetSlot(a_SlotNum, a_Player, Slot);

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaArmor:

+

+cSlotAreaArmor::cSlotAreaArmor(cWindow & a_ParentWindow) :

+	cSlotArea(4, a_ParentWindow)

+{

+}

+

+

+

+

+

+const cItem * cSlotAreaArmor::GetSlot(int a_SlotNum, cPlayer & a_Player)

+{

+	// a_SlotNum ranges from 0 to 3, map that to the armor slots in player's inventory, 5 to 8:

+	return a_Player.GetInventory().GetSlot(a_SlotNum + 5);

+}

+

+

+

+

+

+void cSlotAreaArmor::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)

+{

+	*(a_Player.GetInventory().GetSlot(a_SlotNum + 5)) = a_Item;

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaChest:

+

+cSlotAreaChest::cSlotAreaChest(cChestEntity *a_Chest, cWindow &a_ParentWindow) :

+	cSlotArea(27, a_ParentWindow),

+	m_Chest(a_Chest)

+{

+}

+

+

+

+

+

+const cItem * cSlotAreaChest::GetSlot(int a_SlotNum, cPlayer & a_Player)

+{

+	// a_SlotNum ranges from 0 to 26, use that to index the chest entity's inventory directly:

+	return m_Chest->GetSlot(a_SlotNum);

+}

+

+

+

+

+

+void cSlotAreaChest::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)

+{

+	m_Chest->SetSlot(a_SlotNum, a_Item);

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaCrafting:

+

+cSlotAreaCrafting::cSlotAreaCrafting(int a_GridSize, cWindow & a_ParentWindow) :

+	cSlotAreaTemporary(1 + a_GridSize * a_GridSize, a_ParentWindow),

+	m_GridSize(a_GridSize)

+{

+	ASSERT((a_GridSize == 2) || (a_GridSize == 3));

+}

+

+

+

+

+

+void cSlotAreaCrafting::Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem)

+{

+	// Override for craft result slot

+	if (a_SlotNum == 0)

+	{

+		ClickedResult(a_Player, a_IsShiftPressed);

+		return;

+	}

+	super::Clicked(a_Player, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_ClickedItem);

+	UpdateRecipe(a_Player);

+}

+

+

+

+

+

+void cSlotAreaCrafting::OnPlayerRemoved(cPlayer & a_Player)

+{

+	// Toss all items on the crafting grid:

+	TossItems(a_Player, 1, m_NumSlots);

+	

+	// Remove the current recipe from the player -> recipe map:

+	for (cRecipeMap::iterator itr = m_Recipes.begin(), end = m_Recipes.end(); itr != end; ++itr)

+	{

+		if (itr->first == a_Player.GetUniqueID())

+		{

+			// Remove the player from the recipe map:

+			m_Recipes.erase(itr);

+			return;

+		}

+	}  // for itr - m_Recipes[]

+	// Player not found - that is acceptable

+}

+

+

+

+

+

+void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player, bool a_IsShiftPressed)

+{

+	const cItem * ResultSlot = GetSlot(0, a_Player);

+	LOGD("Clicked in craft result slot, item there: %d:%d (%d times)",

+		ResultSlot->m_ItemID, ResultSlot->m_ItemHealth, ResultSlot->m_ItemCount

+	);

+	cItem & DraggingItem = a_Player.GetDraggingItem();

+

+	// Get the current recipe:

+	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);

+

+	cItem * PlayerSlots = GetPlayerSlots(a_Player) + 1;

+	cCraftingGrid Grid(PlayerSlots, m_GridSize, m_GridSize);

+

+	// If possible, craft:

+	if (DraggingItem.IsEmpty())

+	{

+		DraggingItem = Recipe.GetResult();

+		Recipe.ConsumeIngredients(Grid);

+		Grid.CopyToItems(PlayerSlots);

+	}

+	else if (DraggingItem.IsEqual(Recipe.GetResult()))

+	{

+		cItemHandler * Handler = ItemHandler(Recipe.GetResult().m_ItemID);

+		if (DraggingItem.m_ItemCount + Recipe.GetResult().m_ItemCount <= Handler->GetMaxStackSize())

+		{

+			DraggingItem.m_ItemCount += Recipe.GetResult().m_ItemCount;

+			Recipe.ConsumeIngredients(Grid);

+			Grid.CopyToItems(PlayerSlots);

+		}

+	}

+

+	// Get the new recipe and update the result slot:

+	UpdateRecipe(a_Player);

+	

+	// We're done. Send all changes to the client and bail out:

+	m_ParentWindow.BroadcastWholeWindow();

+}

+

+

+

+

+

+void cSlotAreaCrafting::UpdateRecipe(cPlayer & a_Player)

+{

+	cCraftingGrid   Grid(GetPlayerSlots(a_Player) + 1, m_GridSize, m_GridSize);

+	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);

+	cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);

+}

+

+

+

+

+

+cCraftingRecipe & cSlotAreaCrafting::GetRecipeForPlayer(cPlayer & a_Player)

+{

+	for (cRecipeMap::iterator itr = m_Recipes.begin(), end = m_Recipes.end(); itr != end; ++itr)

+	{

+		if (itr->first == a_Player.GetUniqueID())

+		{

+			return itr->second;

+		}

+	}  // for itr - m_Recipes[]

+	

+	// Not found. Add a new one:

+	cCraftingGrid   Grid(GetPlayerSlots(a_Player) + 1, m_GridSize, m_GridSize);

+	cCraftingRecipe Recipe(Grid);

+	cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);

+	m_Recipes.push_back(std::make_pair(a_Player.GetUniqueID(), Recipe));

+	return m_Recipes.back().second;

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaFurnace:

+

+cSlotAreaFurnace::cSlotAreaFurnace(cFurnaceEntity * a_Furnace, cWindow & a_ParentWindow) :

+	cSlotArea(3, a_ParentWindow),

+	m_Furnace(a_Furnace)

+{

+}

+

+

+

+

+

+void cSlotAreaFurnace::Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem)

+{

+	cItem Fuel = *GetSlot(0, a_Player);

+

+	super::Clicked(a_Player, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_ClickedItem);

+	

+	if (m_Furnace == NULL)

+	{

+		LOGERROR("cSlotAreaFurnace::Clicked(): m_Furnace == NULL");

+		ASSERT(!"cSlotAreaFurnace::Clicked(): m_Furnace == NULL");

+		return;

+	}

+	

+	if (Fuel.m_ItemID != GetSlot(0, a_Player)->m_ItemID)

+	{

+		m_Furnace->ResetCookTimer();

+	}

+

+	if (m_Furnace->StartCooking())

+	{

+		m_ParentWindow.SendWholeWindow(*(a_Player.GetClientHandle()));

+	}

+}

+

+

+

+

+

+const cItem * cSlotAreaFurnace::GetSlot(int a_SlotNum, cPlayer & a_Player)

+{

+	// a_SlotNum ranges from 0 to 2, query the items from the underlying furnace:

+	return m_Furnace->GetSlot(a_SlotNum);

+}

+

+

+

+

+

+void cSlotAreaFurnace::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)

+{

+	m_Furnace->SetSlot(a_SlotNum, a_Item);

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaInventory:

+

+cSlotAreaInventory::cSlotAreaInventory(cWindow & a_ParentWindow) :

+	cSlotArea(27 + 9, a_ParentWindow)  // 27 internal slots, 9 hotbar slots

+{

+}

+

+

+

+

+

+void cSlotAreaInventory::Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem)

+{

+	if ((a_Player.GetGameMode() == eGameMode_Creative) && (m_ParentWindow.GetWindowType() == cWindow::Inventory))

+	{

+		// Creative inventory must treat a_ClickedItem as a DraggedItem instead, replacing the inventory slot with it

+		SetSlot(a_SlotNum, a_Player, a_ClickedItem);

+		return;

+	}

+	

+	// Survival inventory and all other windows' inventory has the same handling as normal slot areas

+	super::Clicked(a_Player, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_ClickedItem);

+	return;

+}

+

+

+

+

+

+const cItem * cSlotAreaInventory::GetSlot(int a_SlotNum, cPlayer & a_Player)

+{

+	// a_SlotNum ranges from 0 to 35, map that to the player's inventory slots 9 to 44

+	return a_Player.GetInventory().GetSlot(a_SlotNum + 9);

+}

+

+

+

+

+

+void cSlotAreaInventory::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)

+{

+	*(a_Player.GetInventory().GetSlot(a_SlotNum + 9)) = a_Item;

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cSlotAreaTemporary:

+

+cSlotAreaTemporary::cSlotAreaTemporary(int a_NumSlots, cWindow & a_ParentWindow) :

+	cSlotArea(a_NumSlots, a_ParentWindow)

+{

+}

+

+

+

+

+

+const cItem * cSlotAreaTemporary::GetSlot(int a_SlotNum, cPlayer & a_Player)

+{

+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());

+	if (itr == m_Items.end())

+	{

+		LOGERROR("cSlotAreaTemporary: player \"%s\" not found for slot %d!", a_Player.GetName().c_str(), a_SlotNum);

+		ASSERT(!"cSlotAreaTemporary: player not found!");

+		

+		// Player not found, this should not happen, ever! Return NULL, but things may break by this.

+		return NULL;

+	}

+	

+	if (a_SlotNum >= (int)(itr->second.size()))

+	{

+		LOGERROR("cSlotAreaTemporary: asking for more slots than actually stored!");

+		ASSERT(!"cSlotAreaTemporary: asking for more slots than actually stored!");

+		return NULL;

+	}

+	

+	LOGD("cSlotAreaTemporary: getting slot %d as %s", a_SlotNum, ItemToFullString(itr->second[a_SlotNum]).c_str());

+	

+	return &(itr->second[a_SlotNum]);

+}

+

+

+

+

+

+void cSlotAreaTemporary::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)

+{

+	LOGD("cSlotAreaTemporary: setting slot %d to %s", a_SlotNum, ItemToFullString(a_Item).c_str());

+	

+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());

+	if (itr == m_Items.end())

+	{

+		// Player not found

+		LOGWARNING("cSlotAreaTemporary: player not found!");

+		return;

+	}

+	

+	if (a_SlotNum >= (int)(itr->second.size()))

+	{

+		LOGERROR("cSlotAreaTemporary: asking for more slots than actually stored!");

+		return;

+	}

+	

+	itr->second[a_SlotNum] = a_Item;

+}

+

+

+

+

+

+void cSlotAreaTemporary::OnPlayerAdded(cPlayer & a_Player)

+{

+	ASSERT(m_Items.find(a_Player.GetUniqueID()) == m_Items.end());  // The player shouldn't be in the itemmap, otherwise we probably have a leak

+	m_Items[a_Player.GetUniqueID()].resize(m_NumSlots);  // Make the vector the specified size of empty items

+}

+

+

+

+

+

+void cSlotAreaTemporary::OnPlayerRemoved(cPlayer & a_Player)

+{

+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());

+	ASSERT(itr != m_Items.end());  // The player should be in the list, otherwise a call to OnPlayerAdded() was mismatched

+	m_Items.erase(itr);

+}

+

+

+

+

+

+void cSlotAreaTemporary::TossItems(cPlayer & a_Player, int a_Begin, int a_End)

+{

+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());

+	if (itr == m_Items.end())

+	{

+		LOGWARNING("Player tossing items (%s) not found in the item map", a_Player.GetName().c_str());

+		return;

+	}

+	

+	cItems Drops;

+	for (int i = a_Begin; i < a_End; i++)

+	{

+		cItem & Item = itr->second[i];

+		if (!Item.IsEmpty())

+		{

+			Drops.push_back(Item);

+		}

+		Item.Empty();

+	}  // for i - itr->second[]

+	

+	float vX = 0, vY = 0, vZ = 0;

+	EulerToVector(-a_Player.GetRotation(), a_Player.GetPitch(), vZ, vX, vY);

+	vY = -vY * 2 + 1.f;

+	a_Player.GetWorld()->SpawnItemPickups(Drops, a_Player.GetPosX(), a_Player.GetPosY() + 1.6f, a_Player.GetPosZ(), vX * 2, vY * 2, vZ * 2);

+}

+

+

+

+

+

+cItem * cSlotAreaTemporary::GetPlayerSlots(cPlayer & a_Player)

+{

+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());

+	if (itr == m_Items.end())

+	{

+		return NULL;

+	}

+	return &(itr->second[0]);

+}

+

+

+

+

diff --git a/source/UI/SlotArea.h b/source/UI/SlotArea.h
new file mode 100644
index 000000000..0e620cd54
--- /dev/null
+++ b/source/UI/SlotArea.h
@@ -0,0 +1,192 @@
+

+// SlotArea.h

+

+// Interfaces to the cSlotArea class representing a contiguous area of slots in a UI window

+

+

+

+

+#pragma once

+

+#include "../cItem.h"

+

+

+

+class cWindow;

+class cPlayer;

+class cChestEntity;

+class cFurnaceEntity;

+class cCraftingRecipe;

+

+

+

+

+

+class cSlotArea

+{

+public:

+	cSlotArea(int a_NumSlots, cWindow & a_ParentWindow);

+	

+	int GetNumSlots(void) const { return m_NumSlots; }

+	

+	/// Called to retrieve an item in the specified slot for the specified player. Must return a valid cItem.

+	virtual const cItem * GetSlot(int a_SlotNum, cPlayer & a_Player) = 0;

+	

+	/// Called to set an item in the specified slot for the specified player

+	virtual void SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) = 0;

+	

+	/// Called when a player clicks in the window. Parameters taken from the click packet.

+	virtual void Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem);

+	

+	/// Called when a new player opens the same parent window. The window already tracks the player. CS-locked.

+	virtual void OnPlayerAdded(cPlayer & a_Player) {} ;

+	

+	/// Called when one of the players closes the parent window. The window already doesn't track the player. CS-locked.

+	virtual void OnPlayerRemoved(cPlayer & a_Player) {} ;

+	

+protected:

+	int       m_NumSlots;

+	cWindow & m_ParentWindow;

+} ;

+

+

+

+

+

+class cSlotAreaInventory :

+	public cSlotArea

+{

+	typedef cSlotArea super;

+	

+public:

+	cSlotAreaInventory(cWindow & a_ParentWindow);

+	

+	// Creative inventory's click handling is somewhat different from survival inventory's, handle that here:

+	virtual void Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem) override;

+

+	virtual const cItem * GetSlot(int a_SlotNum, cPlayer & a_Player) override;

+	virtual void          SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;

+} ;

+

+

+

+

+

+/** A cSlotArea with items layout that is private to each player and is temporary, such as

+a crafting grid or an enchantment table.

+This common ancestor stores the items in a per-player map. It also implements tossing items from the map.

+*/

+class cSlotAreaTemporary :

+	public cSlotArea

+{

+	typedef cSlotArea super;

+	

+public:

+	cSlotAreaTemporary(int a_NumSlots, cWindow & a_ParentWindow);

+	

+	// cSlotArea overrides:

+	virtual const cItem * GetSlot        (int a_SlotNum, cPlayer & a_Player) override;

+	virtual void          SetSlot        (int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;

+	virtual void          OnPlayerAdded  (cPlayer & a_Player) override;

+	virtual void          OnPlayerRemoved(cPlayer & a_Player) override;

+	

+	/// Tosses the player's items in slots [a_Begin, a_End) (ie. incl. a_Begin, but excl. a_End)

+	void TossItems(cPlayer & a_Player, int a_Begin, int a_End);

+	

+protected:

+	typedef std::map<int, std::vector<cItem> > cItemMap;  // Maps EntityID -> items

+	

+	cItemMap m_Items;

+	

+	/// Returns the pointer to the slot array for the player specified.

+	cItem * GetPlayerSlots(cPlayer & a_Player);

+} ;

+

+

+

+

+

+class cSlotAreaCrafting :

+	public cSlotAreaTemporary

+{

+	typedef cSlotAreaTemporary super;

+	

+public:

+	/// a_GridSize is allowed to be only 2 or 3

+	cSlotAreaCrafting(int a_GridSize, cWindow & a_ParentWindow);

+

+	// cSlotAreaTemporary overrides:

+	virtual void Clicked        (cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem) override;

+	virtual void OnPlayerRemoved(cPlayer & a_Player) override;

+	

+protected:

+	/// Maps player's EntityID -> current recipe; not a std::map because cCraftingGrid needs proper constructor params

+	typedef std::list<std::pair<int, cCraftingRecipe> > cRecipeMap;

+	

+	int        m_GridSize;

+	cRecipeMap m_Recipes;

+	

+	/// Handles a click in the result slot. Crafts using the current recipe, if possible

+	void ClickedResult(cPlayer & a_Player, bool a_IsShiftPressed);

+	

+	/// Updates the current recipe and result slot based on the ingredients currently in the crafting grid of the specified player

+	void UpdateRecipe(cPlayer & a_Player);

+	

+	/// Retrieves the recipe for the specified player from the map, or creates one if not found

+	cCraftingRecipe & GetRecipeForPlayer(cPlayer & a_Player);

+} ;

+

+

+

+

+

+class cSlotAreaChest :

+	public cSlotArea

+{

+public:

+	cSlotAreaChest(cChestEntity * a_Chest, cWindow & a_ParentWindow);

+	

+	virtual const cItem * GetSlot(int a_SlotNum, cPlayer & a_Player) override;

+	virtual void          SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;

+	

+protected:

+	cChestEntity * m_Chest;

+} ;

+

+

+

+

+

+class cSlotAreaFurnace :

+	public cSlotArea

+{

+	typedef cSlotArea super;

+	

+public:

+	cSlotAreaFurnace(cFurnaceEntity * a_Furnace, cWindow & a_ParentWindow);

+	

+	virtual void          Clicked(cPlayer & a_Player, int a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_ClickedItem) override;

+	virtual const cItem * GetSlot(int a_SlotNum, cPlayer & a_Player) override;

+	virtual void          SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;

+	

+protected:

+	cFurnaceEntity * m_Furnace;

+} ;

+

+

+

+

+

+class cSlotAreaArmor :

+	public cSlotArea

+{

+public:

+	cSlotAreaArmor(cWindow & a_ParentWindow);

+	

+	virtual const cItem * GetSlot(int a_SlotNum, cPlayer & a_Player) override;

+	virtual void          SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;

+} ;

+

+

+

+

diff --git a/source/UI/cWindow.cpp b/source/UI/cWindow.cpp
new file mode 100644
index 000000000..475670425
--- /dev/null
+++ b/source/UI/cWindow.cpp
@@ -0,0 +1,385 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "cWindow.h"
+#include "../cItem.h"
+#include "../cClientHandle.h"
+#include "../cPlayer.h"
+#include "../cPickup.h"
+#include "../cInventory.h"
+#include "cWindowOwner.h"
+#include "../items/Item.h"
+#include "SlotArea.h"
+#include "../cChestEntity.h"
+
+
+
+
+
+char cWindow::m_WindowIDCounter = 1;
+
+
+
+
+
+cWindow::cWindow(cWindow::WindowType a_WindowType, const AString & a_WindowTitle)
+	: m_WindowID(1 + (m_WindowIDCounter++ % 127))
+	, m_WindowType(a_WindowType)
+	, m_WindowTitle(a_WindowTitle)
+	, m_Owner(NULL)
+	, m_IsDestroyed(false)
+{
+	if (a_WindowType == Inventory)
+	{
+		m_WindowID = 0;
+	}
+	LOGD("Created a window at %p, type = %d, ID = %i, title = \"%s\".", 
+		this, m_WindowType, m_WindowID, m_WindowTitle.c_str()
+	);
+}
+
+
+
+
+
+cWindow::~cWindow()
+{
+	LOGD("Deleted a window at %p", this);
+}
+
+
+
+
+
+int cWindow::GetNumSlots(void) const
+{
+	int res = 0;
+	for (cSlotAreas::const_iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+	{
+		res += (*itr)->GetNumSlots();
+	}  // for itr - m_SlotAreas[]
+	return res;
+}
+
+
+
+
+
+void cWindow::GetSlots(cPlayer & a_Player, cItems & a_Slots) const
+{
+	a_Slots.clear();
+	a_Slots.reserve(GetNumSlots());
+	for (cSlotAreas::const_iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+	{
+		int NumSlots = (*itr)->GetNumSlots();
+		for (int i = 0; i < NumSlots; i++)
+		{
+			
+			const cItem * Item = (*itr)->GetSlot(i, a_Player);
+			if (Item == NULL)
+			{
+				a_Slots.push_back(cItem());
+			}
+			else
+			{
+				a_Slots.push_back(*Item);
+			}
+		}
+	}  // for itr - m_SlotAreas[]
+}
+
+
+
+
+
+void cWindow::Clicked(
+	cPlayer & a_Player, 
+	int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
+	const cItem & a_ClickedItem
+)
+{
+	LOGD("cWindow::Clicked(): ID %d (exp %d), SlotNum %d", a_WindowID, m_WindowID, a_SlotNum);
+	
+	if (a_WindowID != m_WindowID)
+	{
+		LOG("WRONG WINDOW ID! (exp %d, got %d) received from \"%s\"", m_WindowID, a_WindowID, a_Player.GetName().c_str());
+		return;
+	}
+
+	if (a_SlotNum == -999)  // Outside window click
+	{
+		if (a_IsRightClick)
+		{
+			a_Player.TossItem(true);
+		}
+		else
+		{
+			a_Player.TossItem(true, a_Player.GetDraggingItem().m_ItemCount);
+		}
+		return;
+	}
+
+	int LocalSlotNum = a_SlotNum;
+	int idx = 0;
+	for (cSlotAreas::iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+	{
+		if (LocalSlotNum < (*itr)->GetNumSlots())
+		{
+			LOGD("SlotArea #%d (%d slots) handling the click", idx, (*itr)->GetNumSlots());
+			(*itr)->Clicked(a_Player, LocalSlotNum, a_IsRightClick, a_IsShiftPressed, a_ClickedItem);
+			return;
+		}
+		LocalSlotNum -= (*itr)->GetNumSlots();
+		idx++;
+	}
+	
+	LOGWARNING("Slot number higher than available window slots: %d, max %d received from \"%s\"; ignoring.",
+		a_SlotNum, GetNumSlots(), a_Player.GetName().c_str()
+	);
+}
+
+
+
+
+
+void cWindow::OpenedByPlayer(cPlayer & a_Player)
+{
+	{
+		cCSLock Lock(m_CS);
+		// If player is already in OpenedBy remove player first
+		m_OpenedBy.remove(&a_Player);
+		// Then add player
+		m_OpenedBy.push_back(&a_Player);
+		
+		for (cSlotAreas::iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+		{
+			(*itr)->OnPlayerAdded(a_Player);
+		}  // for itr - m_SlotAreas[]
+	}
+
+	// TODO: Notify all areas that a new player has opened the window
+
+	a_Player.GetClientHandle()->SendWindowOpen(m_WindowID, m_WindowType, m_WindowTitle, GetNumSlots() - c_NumInventorySlots);
+}
+
+
+
+
+
+void cWindow::ClosedByPlayer(cPlayer & a_Player)
+{
+	ASSERT(m_WindowType != Inventory);  // Inventory windows must not be closed (the client would repeat the close packet, looping forever)
+	
+	// Checks whether the player is still holding an item
+	if (a_Player.IsDraggingItem())
+	{
+		LOGD("Player holds item! Dropping it...");
+		a_Player.TossItem(true, a_Player.GetDraggingItem().m_ItemCount);
+	}
+
+	cClientHandle * ClientHandle = a_Player.GetClientHandle();
+	if (ClientHandle != NULL)
+	{
+		ClientHandle->SendWindowClose(m_WindowID);
+	}
+
+	{
+		cCSLock Lock(m_CS);
+
+		for (cSlotAreas::iterator itr = m_SlotAreas.begin(), end = m_SlotAreas.end(); itr != end; ++itr)
+		{
+			(*itr)->OnPlayerRemoved(a_Player);
+		}  // for itr - m_SlotAreas[]
+
+		m_OpenedBy.remove(&a_Player);
+		if (m_OpenedBy.empty())
+		{
+			Destroy();
+		}
+	}
+	if (m_IsDestroyed)
+	{
+		delete this;
+	}
+}
+
+
+
+
+
+void cWindow::OwnerDestroyed()
+{
+	m_Owner = NULL;
+	// Close window for each player. Note that the last one needs special handling
+	while (m_OpenedBy.size() > 1)
+	{
+		(*m_OpenedBy.begin() )->CloseWindow((char)GetWindowType());
+	}
+	(*m_OpenedBy.begin() )->CloseWindow((char)GetWindowType());
+}
+
+
+
+
+
+bool cWindow::ForEachPlayer(cItemCallback<cPlayer> & a_Callback)
+{
+	cCSLock Lock(m_CS);
+	for (cPlayerList::iterator itr = m_OpenedBy.begin(), end = m_OpenedBy.end(); itr != end; ++itr)
+	{
+		if (a_Callback.Item(*itr))
+		{
+			return false;
+		}
+	}  // for itr - m_OpenedBy[]
+	return true;
+}
+
+
+
+
+
+bool cWindow::ForEachClient(cItemCallback<cClientHandle> & a_Callback)
+{
+	cCSLock Lock(m_CS);
+	for (cPlayerList::iterator itr = m_OpenedBy.begin(), end = m_OpenedBy.end(); itr != end; ++itr)
+	{
+		if (a_Callback.Item((*itr)->GetClientHandle()))
+		{
+			return false;
+		}
+	}  // for itr - m_OpenedBy[]
+	return true;
+}
+
+
+
+
+
+void cWindow::Destroy()
+{
+	LOGD("Destroying window %p (type %d)", this, m_WindowType);
+	if (m_Owner != NULL)
+	{
+		m_Owner->CloseWindow();
+		m_Owner = NULL;
+	}
+	m_IsDestroyed = true;
+}
+
+
+
+
+
+void cWindow::SendWholeWindow(cClientHandle & a_Client)
+{
+	a_Client.SendWholeInventory(*this);
+}
+
+
+
+
+
+void cWindow::BroadcastWholeWindow(void)
+{
+	cCSLock Lock(m_CS);
+	for (cPlayerList::iterator itr = m_OpenedBy.begin(); itr != m_OpenedBy.end(); ++itr)
+	{
+		SendWholeWindow(*(*itr)->GetClientHandle());
+	}  // for itr - m_OpenedBy[]
+}
+
+
+
+
+
+void cWindow::BroadcastInventoryProgress(short a_Progressbar, short a_Value)
+{
+	cCSLock Lock(m_CS);
+	for (cPlayerList::iterator itr = m_OpenedBy.begin(); itr != m_OpenedBy.end(); ++itr)
+	{
+		(*itr)->GetClientHandle()->SendInventoryProgress(m_WindowID, a_Progressbar, a_Value);
+	}  // for itr - m_OpenedBy[]
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cInventoryWindow:
+
+cInventoryWindow::cInventoryWindow(cPlayer & a_Player) :
+	cWindow(cWindow::Inventory, "MCS-Inventory"),
+	m_Player(a_Player)
+{
+	m_SlotAreas.push_back(new cSlotAreaCrafting(2, *this));  // The creative inventory doesn't display it, but it's still counted into slot numbers
+	m_SlotAreas.push_back(new cSlotAreaArmor(*this));
+	m_SlotAreas.push_back(new cSlotAreaInventory(*this));
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCraftingWindow:
+
+cCraftingWindow::cCraftingWindow(int a_BlockX, int a_BlockY, int a_BlockZ) :
+	cWindow(cWindow::Workbench, "MCS-Workbench")
+{
+	m_SlotAreas.push_back(new cSlotAreaCrafting(3, *this));
+	m_SlotAreas.push_back(new cSlotAreaInventory(*this));
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cChestWindow:
+
+cChestWindow::cChestWindow(int a_BlockX, int a_BlockY, int a_BlockZ, cChestEntity * a_Chest) :
+	cWindow(cWindow::Chest, "MCS-Chest"),
+	m_World(a_Chest->GetWorld()),
+	m_BlockX(a_BlockX),
+	m_BlockY(a_BlockY),
+	m_BlockZ(a_BlockZ)
+{
+	m_SlotAreas.push_back(new cSlotAreaChest(a_Chest, *this));
+	
+	// TODO: Double chests
+	
+	m_SlotAreas.push_back(new cSlotAreaInventory(*this));
+	
+	// Send out the chest-open packet:
+	m_World->BroadcastBlockAction(m_BlockX, m_BlockY, m_BlockZ, 1, 1, E_BLOCK_CHEST);
+}
+
+
+
+
+
+cChestWindow::~cChestWindow()
+{
+	// Send out the chest-close packet:
+	m_World->BroadcastBlockAction(m_BlockX, m_BlockY, m_BlockZ, 1, 0, E_BLOCK_CHEST);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFurnaceWindow:
+
+cFurnaceWindow::cFurnaceWindow(int a_BlockX, int a_BlockY, int a_BlockZ, cFurnaceEntity * a_Furnace) :
+	cWindow(cWindow::Furnace, "MCS-Furnace")
+{
+	m_SlotAreas.push_back(new cSlotAreaFurnace(a_Furnace, *this));
+	m_SlotAreas.push_back(new cSlotAreaInventory(*this));
+}
+
+
+
+
diff --git a/source/UI/cWindow.h b/source/UI/cWindow.h
new file mode 100644
index 000000000..231e4fdc0
--- /dev/null
+++ b/source/UI/cWindow.h
@@ -0,0 +1,172 @@
+
+// cWindow.h
+
+// Interfaces to the cWindow class representing a UI window for a specific block
+
+
+
+
+
+#pragma once
+
+#include "../cItem.h"
+
+
+
+
+
+class cPlayer;
+class cWindowOwner;
+class cClientHandle;
+class cChestEntity;
+class cFurnaceEntity;
+class cSlotArea;
+class cWorld;
+
+typedef std::list<cPlayer *> cPlayerList;
+typedef std::vector<cSlotArea *> cSlotAreas;
+
+
+
+
+
+/** 
+Represents a UI window.
+
+Each window has a list of players that are currently using it
+When there's no player using a window, it is destroyed.
+A window consists of several areas of slots with similar functionality - for example the crafting grid area, or 
+the inventory area. Each area knows what its slots are (GetSlot() function) and can handle mouse clicks.
+The window acts only as a top-level container for those areas, redirecting the click events to the correct areas.
+*/
+class cWindow
+{
+public:
+	enum WindowType
+	{
+		Inventory   = -1,  // This value is never actually sent to a client
+		Chest       = 0,
+		Workbench   = 1,
+		Furnace     = 2,
+		Dispenser   = 3,
+		Enchantment = 4,
+		Brewery     = 5
+	};
+	
+	static const int c_NumInventorySlots = 36;
+
+	cWindow(WindowType a_WindowType, const AString & a_WindowTitle);
+	virtual ~cWindow();
+
+	int GetWindowID(void) const { return m_WindowID; }
+	int GetWindowType(void) const { return m_WindowType; }
+
+	cWindowOwner * GetOwner() { return m_Owner; }
+	void SetOwner( cWindowOwner * a_Owner ) { m_Owner = a_Owner; }
+	
+	int GetNumSlots(void) const;
+	
+	/// Fills a_Slots with the slots read from m_SlotAreas[], for the specified player
+	void GetSlots(cPlayer & a_Player, cItems & a_Slots) const;
+
+	void Clicked(
+		cPlayer & a_Player, int a_WindowID, 
+		short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed,
+		const cItem & a_ClickedItem
+	);
+
+	void OpenedByPlayer(cPlayer & a_Player);
+	void ClosedByPlayer(cPlayer & a_Player);
+
+	void SendWholeWindow(cClientHandle & a_Client);
+	void BroadcastWholeWindow(void);
+	void BroadcastInventoryProgress(short a_Progressbar, short a_Value);
+
+	const AString & GetWindowTitle() const { return m_WindowTitle; }
+	void SetWindowTitle(const AString & a_WindowTitle ) { m_WindowTitle = a_WindowTitle; }
+
+	void OwnerDestroyed(void);
+	
+	/// Calls the callback safely for each player that has this window open; returns true if all players have been enumerated
+	bool ForEachPlayer(cItemCallback<cPlayer> & a_Callback);
+
+	/// Calls the callback safely for each client that has this window open; returns true if all clients have been enumerated
+	bool ForEachClient(cItemCallback<cClientHandle> & a_Callback);
+	
+protected:
+	cSlotAreas m_SlotAreas;
+	
+private:
+	char    m_WindowID;
+	int     m_WindowType;
+	AString m_WindowTitle;
+
+	cCriticalSection m_CS;
+	cPlayerList      m_OpenedBy;
+	
+	bool    m_IsDestroyed;
+	
+	cWindowOwner * m_Owner;
+	
+	static char m_WindowIDCounter;
+
+	void Destroy(void);
+} ;
+
+
+
+
+
+class cCraftingWindow :
+	public cWindow
+{
+public:
+	cCraftingWindow(int a_BlockX, int a_BlockY, int a_BlockZ);
+} ;
+
+
+
+
+
+class cFurnaceWindow :
+	public cWindow
+{
+public:
+	cFurnaceWindow(int a_BlockX, int a_BlockY, int a_BlockZ, cFurnaceEntity * a_Furnace);
+} ;
+
+
+
+
+
+class cChestWindow :
+	public cWindow
+{
+public:
+	cChestWindow(int a_BlockX, int a_BlockY, int a_BlockZ, cChestEntity * a_Chest);
+	~cChestWindow();
+	
+protected:
+	cWorld * m_World;
+	int m_BlockX, m_BlockY, m_BlockZ;  // Position of the chest, for the window-close packet
+} ;
+
+
+
+
+
+class cInventoryWindow :
+	public cWindow
+{
+public:
+	cInventoryWindow(cPlayer & a_Player);
+	
+protected:
+	cPlayer & m_Player;
+
+} ;
+
+
+
+
+
diff --git a/source/cWindowOwner.h b/source/UI/cWindowOwner.h
index 6c9a15a45..1ce03ed30 100644
--- a/source/cWindowOwner.h
+++ b/source/UI/cWindowOwner.h
@@ -1,21 +1,29 @@
 
 #pragma once
 
-#include "cBlockEntity.h"
-#include "cEntity.h"
+#include "../cBlockEntity.h"
+#include "../cEntity.h"
+#include "cWindow.h"
+
+/*
+Being a descendant of cWindowOwner means that the class can own one window. That window can be 
+queried, opened by other players, closed by players and finally destroyed.
+Also, a cWindowOwner can be queried for the block coords where the window is displayed. That will be used
+for entities / players in motion to close their windows when they get too far away from the window "source".
+*/
 
 
 
 
 
-class cWindow;
+// class cWindow;
 
 
 
 
 
 /**
-Base class for the behavior expected from a class that can handle UI windows for block entities.
+Base class for the window owning
 */
 class cWindowOwner
 {
@@ -33,6 +41,7 @@ public:
 	void OpenWindow(cWindow * a_Window)
 	{
 		m_Window = a_Window;
+		m_Window->SetOwner(this);
 	}
 
 	cWindow * GetWindow(void) const
diff --git a/source/WSSAnvil.cpp b/source/WSSAnvil.cpp
index 44b5f7faa..cacd81df9 100644
--- a/source/WSSAnvil.cpp
+++ b/source/WSSAnvil.cpp
@@ -127,9 +127,9 @@ protected:
 		m_Writer.BeginCompound("");
 		AddBasicTileEntity(a_Furnace, "Furnace");
 		m_Writer.BeginList("Items", TAG_Compound);
-		AddItem(&a_Furnace->GetSlot(0), 0);
-		AddItem(&a_Furnace->GetSlot(1), 1);
-		AddItem(&a_Furnace->GetSlot(2), 2);
+		AddItem(a_Furnace->GetSlot(0), 0);
+		AddItem(a_Furnace->GetSlot(1), 1);
+		AddItem(a_Furnace->GetSlot(2), 2);
 		m_Writer.EndList();
 		m_Writer.AddShort("BurnTime", (Int16)(a_Furnace->GetTimeToBurn() / 50.0));
 		m_Writer.AddShort("CookTime", (Int16)(a_Furnace->GetTimeCooked() / 50.0));
diff --git a/source/blocks/BlockWorkbench.h b/source/blocks/BlockWorkbench.h
index 6c5f0d3e8..998e07d9b 100644
--- a/source/blocks/BlockWorkbench.h
+++ b/source/blocks/BlockWorkbench.h
@@ -1,9 +1,14 @@
 #pragma once

 #include "Block.h"

-#include "../cCraftingWindow.h"

+#include "../UI/cWindow.h"

 #include "../cPlayer.h"

 

-class cBlockWorkbenchHandler : public cBlockHandler

+

+

+

+

+class cBlockWorkbenchHandler:

+	public cBlockHandler

 {

 public:

 	cBlockWorkbenchHandler(BLOCKTYPE a_BlockID)

@@ -11,9 +16,9 @@ public:
 	{

 	}

 	

-	virtual void OnUse(cWorld *a_World, cPlayer *a_Player, int a_X, int a_Y, int a_Z) override

+	virtual void OnUse(cWorld * a_World, cPlayer *a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) override

 	{

-		cWindow* Window = new cCraftingWindow(0, true);

+		cWindow * Window = new cCraftingWindow(a_BlockX, a_BlockY, a_BlockZ);

 		a_Player->OpenWindow(Window);

 	}

 

@@ -28,4 +33,4 @@ public:
 	}

 	

 	

-};

+};
\ No newline at end of file
diff --git a/source/cChestEntity.cpp b/source/cChestEntity.cpp
index 2a69c7bdb..8914f5f41 100644
--- a/source/cChestEntity.cpp
+++ b/source/cChestEntity.cpp
@@ -5,7 +5,7 @@
 #include "cItem.h"
 #include "cClientHandle.h"
 #include "cPlayer.h"
-#include "cWindow.h"
+#include "UI/cWindow.h"
 #include "cWorld.h"
 #include "cRoot.h"
 #include "cPickup.h"
@@ -88,9 +88,9 @@ const cItem * cChestEntity::GetSlot( int a_Slot ) const
 
 
 
-void cChestEntity::SetSlot( int a_Slot, cItem & a_Item )
+void cChestEntity::SetSlot(int a_Slot, const cItem & a_Item)
 {
-	if( a_Slot > -1 && a_Slot < c_ChestHeight*c_ChestWidth )
+	if ((a_Slot > -1) && (a_Slot < c_ChestHeight * c_ChestWidth))
 	{
 		m_Content[a_Slot] = a_Item;
 	}
@@ -170,22 +170,18 @@ void cChestEntity::SendTo(cClientHandle & a_Client)
 
 void cChestEntity::UsedBy(cPlayer * a_Player)
 {
-	if (!GetWindow())
+	if (GetWindow() == NULL)
 	{
-		cWindow * Window = new cWindow(this, true, cWindow::Chest, 1);
-		Window->SetSlots(GetContents(), GetChestHeight() * c_ChestWidth);
-		Window->SetWindowTitle("UberChest");
-		OpenWindow( Window );
+		OpenWindow(new cChestWindow(m_PosX, m_PosY, m_PosZ, this));
 	}
-	if ( GetWindow() )
+	if (GetWindow())
 	{
 		if( a_Player->GetWindow() != GetWindow() )
 		{
 			a_Player->OpenWindow( GetWindow() );
-			GetWindow()->SendWholeWindow( a_Player->GetClientHandle() );
+			GetWindow()->SendWholeWindow(*a_Player->GetClientHandle());
 		}
 	}
-	m_World->BroadcastBlockAction(m_PosX, m_PosY, m_PosZ, 1, 1, E_BLOCK_CHEST);
 
 	// This is rather a hack
 	// Instead of marking the chunk as dirty upon chest contents change, we mark it dirty now
diff --git a/source/cChestEntity.h b/source/cChestEntity.h
index 1e186dc9c..962e9f86d 100644
--- a/source/cChestEntity.h
+++ b/source/cChestEntity.h
@@ -2,7 +2,7 @@
 #pragma once
 
 #include "cBlockEntity.h"
-#include "cWindowOwner.h"
+#include "UI/cWindowOwner.h"
 
 
 
@@ -22,10 +22,10 @@ class cNBTData;
 
 
 
-class cChestEntity :				//tolua_export
-	public cBlockEntity,			//tolua_export
-	public cBlockEntityWindowOwner	//tolua_export
-{	//tolua_export
+class cChestEntity :              // tolua_export
+	public cBlockEntity,            // tolua_export
+	public cBlockEntityWindowOwner  // tolua_export
+{  // tolua_export
 public:
 	cChestEntity(int a_X, int a_Y, int a_Z, cWorld * a_World);
 	virtual ~cChestEntity();
@@ -34,7 +34,7 @@ public:
 	void HandleData( cNBTData* a_NBTData );
 
 	const cItem * GetSlot( int a_Slot ) const;		//tolua_export
-	void	SetSlot( int a_Slot, cItem & a_Item );	//tolua_export
+	void	SetSlot(int a_Slot, const cItem & a_Item );	//tolua_export
 
 	bool LoadFromJson( const Json::Value& a_Value );
 	virtual void SaveToJson(Json::Value& a_Value ) override;
diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp
index 35e5a0ee4..7108c7711 100644
--- a/source/cClientHandle.cpp
+++ b/source/cClientHandle.cpp
@@ -10,8 +10,7 @@
 #include "cInventory.h"
 #include "cChestEntity.h"
 #include "cSignEntity.h"
-#include "cWindow.h"
-#include "cCraftingWindow.h"
+#include "UI/cWindow.h"
 #include "cItem.h"
 #include "cTorch.h"
 #include "cDoors.h"
@@ -256,7 +255,7 @@ void cClientHandle::Authenticate(void)
 	m_Protocol->SendTimeUpdate(World->GetWorldTime());
 
 	// Send inventory
-	m_Player->GetInventory().SendWholeInventory(this);
+	m_Player->GetInventory().SendWholeInventory(*this);
 
 	// Send health
 	m_Player->SendHealth();
@@ -451,14 +450,18 @@ bool cClientHandle::HandleLogin(int a_ProtocolVersion, const AString & a_Usernam
 void cClientHandle::HandleCreativeInventory(short a_SlotNum, const cItem & a_HeldItem)
 {
 	// This is for creative Inventory changes
-	if (m_Player->GetGameMode() == 1)
+	if (m_Player->GetGameMode() != eGameMode_Creative)
 	{
-		m_Player->GetInventory().Clicked(a_SlotNum, false, false, a_HeldItem);
+		LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str());
+		return;
 	}
-	else
+	if (m_Player->GetWindow()->GetWindowType() != cWindow::Inventory)
 	{
-		LOGWARNING("Got a CreativeInventoryAction packet from user \"%s\" while not in creative mode. Ignoring.", m_Username.c_str());
+		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);
 }
 
 
@@ -821,11 +824,10 @@ void cClientHandle::HandleWindowClose(char a_WindowID)
 
 void cClientHandle::HandleWindowClick(char a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem)
 {
-	if (a_WindowID == 0)
-	{
-		m_Player->GetInventory().Clicked(a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
-		return;
-	}
+	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)
diff --git a/source/cCraftingWindow.cpp b/source/cCraftingWindow.cpp
deleted file mode 100644
index fee000da3..000000000
--- a/source/cCraftingWindow.cpp
+++ /dev/null
@@ -1,244 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cCraftingWindow.h"
-#include "cItem.h"
-#include "CraftingRecipes.h"
-#include "cPlayer.h"
-#include "cClientHandle.h"
-#include "cInventory.h"
-#include "cPickup.h"
-#include "cRoot.h"
-#include "cWorld.h"
-#include "items/Item.h"
-
-
-
-
-
-/* These numbers are valid for the underlying cInventory object, because that's where we're sending the 
-MoveItem() and HowManyCanFit() function calls
-*/
-enum
-{
-	SLOT_INVENTORY_MIN = 9,
-	SLOT_INVENTORY_MAX = 35,
-	SLOT_HOTBAR_MIN    = 36,
-	SLOT_HOTBAR_MAX    = 44
-} ;
-
-
-
-
-
-cCraftingWindow::cCraftingWindow( cWindowOwner* a_Owner, bool a_bInventoryVisible )
-	 : cWindow(a_Owner, a_bInventoryVisible, cWindow::Workbench, 1)
-{
-	cItem * Slots = new cItem[10];
-	SetSlots( Slots, 10 );
-}
-
-
-
-
-
-void cCraftingWindow::Clicked(
-	cPlayer & a_Player, 
-	int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-	const cItem & a_HeldItem
-)
-{
-	bool bDontCook = false;
-	
-	cItem * DraggingItem = GetDraggingItem(&a_Player);
-	if (
-		a_IsShiftPressed && 
-		((DraggingItem == NULL) || DraggingItem->IsEmpty())
-	)
-	{
-		ShiftClicked(a_Player, a_SlotNum);
-		return;
-	}
-	
-	// Override for craft result slot
-	if (a_SlotNum == 0)
-	{
-		LOGD("Clicked in craft result slot, item there: %d:%d (%d times) !!", GetSlot(0)->m_ItemID, GetSlot(0)->m_ItemHealth, GetSlot(0)->m_ItemCount);
-		cItem * DraggingItem = GetDraggingItem(&a_Player);
-		if (DraggingItem->IsEmpty())
-		{
-			*DraggingItem = *GetSlot(0);
-			GetSlot(0)->Empty();
-		}
-		else if (DraggingItem->IsEqual(*GetSlot(0)))
-		{
-			cItemHandler * Handler = ItemHandler(GetSlot(0)->m_ItemID);
-			if (DraggingItem->m_ItemCount + GetSlot(0)->m_ItemCount <= Handler->GetMaxStackSize())
-			{
-				DraggingItem->m_ItemCount += GetSlot(0)->m_ItemCount;
-				GetSlot(0)->Empty();
-			}
-			else
-			{
-				bDontCook = true;
-			}
-		}
-		else
-		{
-			bDontCook = true;
-		}
-	}
-	else
-	{
-		cWindow::Clicked(a_Player, GetWindowID(), a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
-	}
-
-	if ((a_SlotNum >= 0) && (a_SlotNum < 10))
-	{
-		cCraftingGrid   Grid(GetSlots() + 1, 3, 3);
-		cCraftingRecipe Recipe(Grid);
-		
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
-
-		if ((a_SlotNum == 0) && !bDontCook)
-		{
-			// Consume the items from the crafting grid:
-			Recipe.ConsumeIngredients(Grid);
-			
-			// Propagate grid back to m_Slots:
-			Grid.CopyToItems(GetSlots() + 1);
-			
-			// Get the recipe for the new grid contents:
-			cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
-		}
-		*GetSlot(0) = Recipe.GetResult();
-		LOGD("%s cooked: %d:%d (%d times) !!", a_Player.GetName().c_str(), GetSlot(0)->m_ItemID, GetSlot(0)->m_ItemHealth, GetSlot(0)->m_ItemCount);
-	}
-	SendWholeWindow( a_Player.GetClientHandle() );
-	a_Player.GetInventory().SendWholeInventory( a_Player.GetClientHandle() );
-
-	// Separate packet for result =/ Don't know why
-	a_Player.GetClientHandle()->SendInventorySlot((char)GetWindowID(), 0, *GetSlot(0));
-}
-
-
-
-
-
-void cCraftingWindow::Close(cPlayer & a_Player)
-{
-	// Start from slot 1, don't drop what's in the result slot
-	cItems Drops;
-	for( int i = 1; i < GetNumSlots(); i++ )
-	{
-		cItem * Item = GetSlot(i);
-		if (!Item->IsEmpty())
-		{
-			Drops.push_back(*Item);
-		}
-		Item->Empty();
-	}
-	float vX = 0, vY = 0, vZ = 0;
-	EulerToVector( -a_Player.GetRotation(), a_Player.GetPitch(), vZ, vX, vY);
-	vY = -vY*2 + 1.f;
-	a_Player.GetWorld()->SpawnItemPickups(Drops, a_Player.GetPosX(), a_Player.GetPosY() + 1.6f, a_Player.GetPosZ(), vX * 2, vY * 2, vZ * 2);
-	cWindow::Close(a_Player);
-}
-
-
-
-
-
-void cCraftingWindow::ShiftClicked(cPlayer & a_Player, short a_SlotNum)
-{
-	if (a_SlotNum == SLOT_CRAFTING_RESULT)
-	{
-		ShiftClickedCraftingResult(a_Player, a_SlotNum);
-	}
-	else if ((a_SlotNum >= SLOT_CRAFTING_MIN) && (a_SlotNum <= SLOT_CRAFTING_MAX))
-	{
-		ShiftClickedCraftingGrid(a_Player, a_SlotNum);
-	}
-	else
-	{
-		// No need to handle inventory shift-click, it is handled by the underlying cSurvivalInventory, surprise surprise ;)
-	}
-	SendWholeWindow(a_Player.GetClientHandle());
-}
-
-
-
-
-
-void cCraftingWindow::ShiftClickedCraftingResult(cPlayer & a_Player, short a_Slot)
-{
-	// Craft until either the recipe changes (due to ingredients) or there's not enough storage for the result
-	cInventory & Inventory = a_Player.GetInventory();
-	cItem * CraftingResult = GetSlot(SLOT_CRAFTING_RESULT);
-	if ((CraftingResult == NULL) || CraftingResult->IsEmpty())
-	{
-		return;
-	}
-	cItem ResultCopy = *CraftingResult;
-	int HowManyItemsWillFit = Inventory.HowManyCanFit(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	HowManyItemsWillFit += Inventory.HowManyCanFit(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-	int HowManyPassesWillFit = HowManyItemsWillFit / CraftingResult->m_ItemCount;
-	for (int i = 0; i < HowManyPassesWillFit; i++)
-	{
-		// First try moving into the hotbar:
-		int NumMoved = Inventory.MoveItem(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, CraftingResult->m_ItemCount, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-		
-		// If something didn't fit, move into main inventory:
-		if (NumMoved < CraftingResult->m_ItemCount)
-		{
-			NumMoved += Inventory.MoveItem(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, CraftingResult->m_ItemCount - NumMoved, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-			ASSERT(NumMoved == CraftingResult->m_ItemCount);  // We checked earlier that we can fit this many items
-		}
-		
-		// "Use" the crafting recipe once:
-		cCraftingGrid   Grid(GetSlots() + 1, 3, 3);
-		cCraftingRecipe Recipe(Grid);
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
-		Recipe.ConsumeIngredients(Grid);
-		Grid.CopyToItems(GetSlots() + 1);
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
-		GetSlots()[SLOT_CRAFTING_RESULT] = Recipe.GetResult();
-		
-		// If the recipe changed, abort:
-		if (!Recipe.GetResult().IsEqual(ResultCopy))
-		{
-			break;
-		}
-	}
-}
-
-
-
-
-
-void cCraftingWindow::ShiftClickedCraftingGrid(cPlayer & a_Player, short a_Slot)
-{
-	cInventory & Inventory = a_Player.GetInventory();
-	cItem * Item = GetSlot(a_Slot);
-	if ((Item == NULL) || Item->IsEmpty())
-	{
-		return;
-	}
-	
-	// First try the main inventory:
-	Item->m_ItemCount -= Inventory.MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	
-	// If anything left, try the hotbar:
-	if (Item->m_ItemCount > 0)
-	{
-		Item->m_ItemCount -= Inventory.MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-	}
-	if (Item->m_ItemCount == 0)
-	{
-		Item->Empty();
-	}
-}
-
-
-
-
diff --git a/source/cCraftingWindow.h b/source/cCraftingWindow.h
deleted file mode 100644
index 638b1aa53..000000000
--- a/source/cCraftingWindow.h
+++ /dev/null
@@ -1,43 +0,0 @@
-
-#pragma once
-
-#include "cWindow.h"
-
-
-
-
-// fwd:
-class cWindowOwner;
-
-
-
-
-
-class cCraftingWindow : public cWindow
-{
-public:
-	enum
-	{
-		SLOT_CRAFTING_RESULT = 0,
-		SLOT_CRAFTING_MIN = 1,
-		SLOT_CRAFTING_MAX = 9,
-	} ;
-	
-	cCraftingWindow(cWindowOwner * a_Owner, bool a_bInventoryVisible);
-
-	virtual void Clicked(
-		cPlayer & a_Player, 
-		int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-		const cItem & a_HeldItem
-	) override;
-	
-	virtual void Close(cPlayer & a_Player) override;
-	
-	void ShiftClicked(cPlayer & a_Player, short a_SlotNum);
-	void ShiftClickedCraftingResult(cPlayer & a_Player, short a_SlotNum);
-	void ShiftClickedCraftingGrid  (cPlayer & a_Player, short a_SlotNum);
-};
-
-
-
-
diff --git a/source/cCreativeInventory.cpp b/source/cCreativeInventory.cpp
deleted file mode 100644
index e8b3a0d15..000000000
--- a/source/cCreativeInventory.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cCreativeInventory.h"
-#include "cPlayer.h"
-#include "cClientHandle.h"
-#include "cWindow.h"
-#include "cItem.h"
-#include "cRoot.h"
-
-#include <json/json.h>
-
-
-
-
-
-cCreativeInventory::cCreativeInventory(cPlayer * a_Owner)
-	: cInventory(a_Owner)
-{
-	
-}
-
-
-
-
-
-cCreativeInventory::~cCreativeInventory()
-{
-}
-
-
-
-
-
-void cCreativeInventory::Clicked(
-	short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-	const cItem & a_HeldItem
-)
-{
-	if (a_SlotNum == -1)
-	{
-		// object thrown out
-		m_Owner->TossItem(false, a_HeldItem.m_ItemCount, a_HeldItem.m_ItemType, a_HeldItem.m_ItemDamage);
-		return;
-	}
-	
-	if ((a_SlotNum < c_HotOffset) || (a_SlotNum >= c_NumSlots))
-	{
-		LOG("%s: Invalid slot (%d) in cCreativeInventory::Clicked(). Ignoring...", m_Owner->GetName().c_str(), a_SlotNum);
-		return;
-	}
-
-	m_Slots[a_SlotNum] = a_HeldItem;
-}
-
-
-
-
-
diff --git a/source/cCreativeInventory.h b/source/cCreativeInventory.h
deleted file mode 100644
index 469f0ecd6..000000000
--- a/source/cCreativeInventory.h
+++ /dev/null
@@ -1,22 +0,0 @@
-
-#pragma once
-
-#include "cInventory.h"
-
-
-
-
-
-class cCreativeInventory
-	: public cInventory
-{
-public:
-	cCreativeInventory(cPlayer * a_Owner);
-	~cCreativeInventory();
-
-	virtual void Clicked(short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem) override;
-} ;
-
-
-
-
diff --git a/source/cFurnaceEntity.cpp b/source/cFurnaceEntity.cpp
index 5f0840913..0f51f4ade 100644
--- a/source/cFurnaceEntity.cpp
+++ b/source/cFurnaceEntity.cpp
@@ -4,7 +4,7 @@
 #include "cFurnaceEntity.h"
 #include "BlockID.h"
 #include "cItem.h"
-#include "cFurnaceWindow.h"
+#include "UI/cWindow.h"
 #include "cPlayer.h"
 #include "cWorld.h"
 #include "cClientHandle.h"
@@ -18,6 +18,17 @@
 
 
 
+
+enum
+{
+	PROGRESSBAR_SMELTING = 0,
+	PROGRESSBAR_FUEL = 1,
+} ;
+
+
+
+
+
 cFurnaceEntity::cFurnaceEntity(int a_X, int a_Y, int a_Z, cWorld * a_World)
 	: cBlockEntity( E_BLOCK_FURNACE, a_X, a_Y, a_Z, a_World )
 	, m_Items( new cItem[3] )
@@ -72,24 +83,20 @@ void cFurnaceEntity::Destroy()
 
 
 
-void cFurnaceEntity::UsedBy( cPlayer * a_Player )
+void cFurnaceEntity::UsedBy(cPlayer * a_Player)
 {
 	LOG("Used a furnace");
 
-	if( !GetWindow() )
+	if (GetWindow() == NULL)
 	{
-		cWindow* Window = new cFurnaceWindow( this );
-		Window->SetSlots( m_Items, 3 );
-		Window->SetWindowTitle("UberFurnace");
-		OpenWindow( Window );
+		OpenWindow(new cFurnaceWindow(m_PosX, m_PosY, m_PosZ, this));
 	}
-	if( GetWindow() )
+	if (GetWindow() != NULL)
 	{
-		if( a_Player->GetWindow() != GetWindow() )
+		if (a_Player->GetWindow() != GetWindow())
 		{
-			a_Player->OpenWindow( GetWindow() );
-
-			GetWindow()->SendWholeWindow( a_Player->GetClientHandle() );
+			a_Player->OpenWindow(GetWindow());
+			GetWindow()->SendWholeWindow(*a_Player->GetClientHandle());
 		}
 	}
 }
@@ -109,12 +116,19 @@ bool cFurnaceEntity::Tick( float a_Dt )
 
 	if (m_BurnTime <= 0)
 	{
+		if (m_TimeCooked > 0)
+		{
+			// We have just finished smelting, reset the progress bar:
+			BroadcastProgress(PROGRESSBAR_SMELTING, 0);
+			m_TimeCooked = 0;
+		}
 		// There is no fuel and no flame, no need to tick at all
 		return false;
 	}
 	
 	// DEBUG: LOGD("Furnace: Left: %0.1f Burned: %0.1f Burn time: %0.1f", m_CookTime - m_TimeCooked, m_TimeBurned, m_BurnTime );
 	
+	short SmeltingProgress = 0;
 	if ((m_CookingItem != NULL) && ((m_TimeBurned < m_BurnTime) || (m_TimeCooked + a_Dt >= m_CookTime)))
 	{
 		if (m_CookingItem->IsEqual(m_Items[2]) || m_Items[2].IsEmpty())
@@ -140,16 +154,12 @@ bool cFurnaceEntity::Tick( float a_Dt )
 				m_TimeCooked -= m_CookTime;
 				StartCooking();
 			}
-			cWindow * Window = GetWindow();
-			if (Window != NULL)
-			{
-				short Value = (short)( m_TimeCooked * (180.f / m_CookTime));
-				if (Value > 180) Value = 180;
-				if (Value < 0)   Value = 0;
-				Window->BroadcastInventoryProgress(0, Value);
-			}
+			SmeltingProgress = (short)( m_TimeCooked * (180.f / m_CookTime));
+			if (SmeltingProgress > 180) SmeltingProgress = 180;
+			if (SmeltingProgress < 0)   SmeltingProgress = 0;
 		}
 	}
+	BroadcastProgress(PROGRESSBAR_SMELTING, SmeltingProgress);
 
 	m_TimeBurned += a_Dt;
 
@@ -163,17 +173,15 @@ bool cFurnaceEntity::Tick( float a_Dt )
 			Window->BroadcastWholeWindow();
 		}
 	}
-	if (Window != NULL)
+	short Value = 0;
+	if (m_BurnTime > 0.f)
 	{
-		short Value = 0;
-		if (m_BurnTime > 0.f)
-		{
-			Value = 250 - (short)( m_TimeBurned * (250.f / m_BurnTime));
-			if (Value > 250) Value = 250;
-			if (Value < 0)   Value = 0;
-		}
-		Window->BroadcastInventoryProgress(1, Value);
+		Value = 250 - (short)( m_TimeBurned * (250.f / m_BurnTime));
+		if (Value > 250) Value = 250;
+		if (Value < 0)   Value = 0;
 	}
+	BroadcastProgress(PROGRESSBAR_FUEL, Value);
+	
 	return ((m_CookingItem != NULL) || (m_TimeBurned < m_BurnTime)) && (m_BurnTime > 0.0); // Keep on ticking, if there's more to cook, or if it's cooking
 }
 
@@ -396,3 +404,16 @@ void cFurnaceEntity::SendTo(cClientHandle & a_Client)
 
 
 
+
+void cFurnaceEntity::BroadcastProgress(int a_ProgressbarID, short a_Value)
+{
+	cWindow * Window = GetWindow();
+	if (Window != NULL)
+	{
+		Window->BroadcastInventoryProgress(a_ProgressbarID, a_Value);
+	}
+}
+
+
+
+
diff --git a/source/cFurnaceEntity.h b/source/cFurnaceEntity.h
index 953644097..43bf615a6 100644
--- a/source/cFurnaceEntity.h
+++ b/source/cFurnaceEntity.h
@@ -2,7 +2,7 @@
 #pragma once
 
 #include "cBlockEntity.h"
-#include "cWindowOwner.h"
+#include "UI/cWindowOwner.h"
 #include "cItem.h"
 
 
@@ -49,7 +49,7 @@ public:
 
 	void ResetCookTimer();
 	
-	const cItem & GetSlot(int i) const { return m_Items[i]; }
+	const cItem * GetSlot(int i) const { return &(m_Items[i]); }
 	
 	void SetSlot(int a_Slot, const cItem & a_Item);
 	
@@ -69,6 +69,8 @@ private:
 	float   m_TimeCooked;  // Amount of time that the current item has been cooking
 	float   m_BurnTime;    // Amount of time that the current fuel can burn (in total); zero if no fuel burning
 	float   m_TimeBurned;  // Amount of time that the current fuel has been burning
+	
+	void BroadcastProgress(int a_ProgressbarID, short a_Value);
 };
 
 
diff --git a/source/cFurnaceWindow.cpp b/source/cFurnaceWindow.cpp
deleted file mode 100644
index 683bf7166..000000000
--- a/source/cFurnaceWindow.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cFurnaceWindow.h"
-#include "cItem.h"
-#include "cFurnaceEntity.h"
-#include "cPlayer.h"
-
-
-
-
-
-cFurnaceWindow::cFurnaceWindow( cFurnaceEntity* a_Owner )
-	: cWindow(a_Owner, true, cWindow::Furnace, 1)
-	, m_Furnace( a_Owner )
-{
-}
-
-
-
-
-
-void cFurnaceWindow::Clicked(
-	cPlayer & a_Player, 
-	int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-	const cItem & a_HeldItem
-)
-{
-	cItem Fuel = *GetSlot( 0 );
-
-	cWindow::Clicked(a_Player, a_WindowID, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
-	if (m_Furnace != NULL)
-	{
-		if ((a_SlotNum >= 0) && (a_SlotNum <= 2)) // them important slots
-		{
-			if (Fuel.m_ItemID != GetSlot( 0 )->m_ItemID)
-			{
-				m_Furnace->ResetCookTimer();
-			}
-
-			if (m_Furnace->StartCooking())
-			{
-				SendWholeWindow(a_Player.GetClientHandle());
-			}
-		}
-	}
-}
-
-
-
-
-
-void cFurnaceWindow::Close( cPlayer & a_Player )
-{
-	m_Furnace = NULL;
-	cWindow::Close( a_Player );
-}
-
-
-
-
diff --git a/source/cFurnaceWindow.h b/source/cFurnaceWindow.h
deleted file mode 100644
index ccaa5a97c..000000000
--- a/source/cFurnaceWindow.h
+++ /dev/null
@@ -1,37 +0,0 @@
-
-#pragma once
-
-#include "cWindow.h"
-
-
-
-
-
-class cFurnaceEntity;
-class cWindowOwner;
-
-
-
-
-
-class cFurnaceWindow :
-	public cWindow
-{
-public:
-	cFurnaceWindow( cFurnaceEntity* a_Owner );
-
-	virtual void Clicked(
-		cPlayer & a_Player, 
-		int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-		const cItem & a_HeldItem
-	) override;
-	
-	virtual void Close( cPlayer & a_Player ) override;
-	
-private:
-	cFurnaceEntity * m_Furnace;
-};
-
-
-
-
diff --git a/source/cInventory.cpp b/source/cInventory.cpp
index 58165ff09..1e0b4f6ae 100644
--- a/source/cInventory.cpp
+++ b/source/cInventory.cpp
@@ -4,7 +4,7 @@
 #include "cInventory.h"
 #include "cPlayer.h"
 #include "cClientHandle.h"
-#include "cWindow.h"
+#include "UI/cWindow.h"
 #include "cItem.h"
 #include "cRoot.h"
 
@@ -18,39 +18,35 @@
 
 cInventory::~cInventory()
 {
-	delete [] m_Slots;
-	delete m_EquippedItem;
-	if( GetWindow() ) GetWindow()->Close( *m_Owner );
+	/*
+	// TODO
+	cWindow wnd = GetWindow();
+	if (wnd != NULL)
+	{
+		wnd->Close(*m_Owner);
+	}
 	CloseWindow();
+	*/
 }
 
 
 
 
 
-cInventory::cInventory(cPlayer* a_Owner)
+cInventory::cInventory(cPlayer & a_Owner) :
+	m_Owner(a_Owner)
 {
-	m_Owner = a_Owner;
-
-	m_Slots = new cItem[c_NumSlots];
-	for(unsigned int i = 0; i < c_NumSlots; i++)
+	for (unsigned int i = 0; i < c_NumSlots; i++)
+	{
 		m_Slots[i].Empty();
+	}
 
 	m_CraftSlots = m_Slots + c_CraftOffset;
 	m_ArmorSlots = m_Slots + c_ArmorOffset;
 	m_MainSlots  = m_Slots + c_MainOffset;
 	m_HotSlots   = m_Slots + c_HotOffset;
 
-	m_EquippedItem = new cItem();
-	m_EquippedSlot = 0;
-
-	if (GetWindow() == NULL)
-	{
-		cWindow * Window = new cWindow( this, false, cWindow::Inventory, 0);
-		Window->SetSlots(m_Slots, c_NumSlots);
-		Window->Open(*a_Owner);
-		OpenWindow(Window);
-	}
+	SetEquippedSlot(0);
 }
 
 
@@ -97,9 +93,9 @@ bool cInventory::AddItem( cItem & a_Item )
 bool cInventory::RemoveItem( cItem & a_Item )
 {
 	// First check equipped slot
-	if( m_EquippedSlot >= 0 && m_EquippedSlot < 9 )
+	if ((m_EquippedSlot >= 0) && (m_EquippedSlot < 9))
 	{
-		if( m_HotSlots[m_EquippedSlot].m_ItemID == a_Item.m_ItemID )
+		if (m_HotSlots[m_EquippedSlot].m_ItemID == a_Item.m_ItemID)
 		{
 			cItem & Item = m_HotSlots[m_EquippedSlot];
 			if(Item.m_ItemCount > a_Item.m_ItemCount)
@@ -118,7 +114,7 @@ bool cInventory::RemoveItem( cItem & a_Item )
 	}
 
 	// Then check other slotz
-	if( a_Item.m_ItemCount > 0 )
+	if (a_Item.m_ItemCount > 0)
 	{
 		for(int i = 0; i < 36; i++)
 		{
@@ -141,10 +137,7 @@ bool cInventory::RemoveItem( cItem & a_Item )
 		}
 	}
 
-	if( a_Item.m_ItemCount == 0 )
-		return true;
-	else
-		return false;
+	return (a_Item.m_ItemCount == 0);
 }
 
 
@@ -221,10 +214,17 @@ cItem* cInventory::GetFromHotBar( int a_SlotNum )
 
 
 
-void cInventory::SetEquippedSlot( int a_SlotNum )
+void cInventory::SetEquippedSlot(int a_SlotNum)
 {
-	if( a_SlotNum < 0 || a_SlotNum >= 9 ) m_EquippedSlot = 0;
-	else m_EquippedSlot = (short)a_SlotNum;
+	if ((a_SlotNum < 0) || (a_SlotNum >= 9))
+	{
+		m_EquippedSlot = 0;
+	}
+	else
+	{
+		m_EquippedSlot = (short)a_SlotNum;
+	}
+	m_EquippedItem = GetFromHotBar(m_EquippedSlot);
 }
 
 
@@ -259,36 +259,9 @@ const cItem & cInventory::GetEquippedItem(void) const
 
 
 
-void cInventory::SendWholeInventory(cClientHandle * a_Client)
-{
-	a_Client->SendWholeInventory(*this);
-}
-
-
-
-
-
-void cInventory::SendWholeInventoryToAll(void)
+void cInventory::SendWholeInventory(cClientHandle & a_Client)
 {
-	cWindow * Window = GetWindow();
-	if (Window == NULL)
-	{
-		return;
-	}
-	
-	class cSender :
-		public cItemCallback<cClientHandle>
-	{
-		cInventory * m_Inventory;
-	public:
-		cSender(cInventory * a_Inventory) : m_Inventory(a_Inventory) {}
-		virtual bool Item(cClientHandle * a_Client) override
-		{
-			m_Inventory->SendWholeInventory(a_Client);
-			return false;
-		}
-	} Sender(this);
-	Window->ForEachClient(Sender);
+	a_Client.SendWholeInventory(*this);
 }
 
 
@@ -305,7 +278,7 @@ void cInventory::SendSlot(int a_SlotNum)
 			// Sanitize items that are not completely empty (ie. count == 0, but type != empty)
 			Item->Empty();
 		}
-		m_Owner->GetClientHandle()->SendInventorySlot(0, a_SlotNum, *Item);
+		m_Owner.GetClientHandle()->SendInventorySlot(0, a_SlotNum, *Item);
 	}
 }
 
@@ -437,6 +410,10 @@ void cInventory::SaveToJson(Json::Value & a_Value)
 bool cInventory::LoadFromJson(Json::Value & a_Value)
 {
 	int SlotIdx = 0;
+	
+	// TODO: Limit the number of slots written to the actual number of slots, 
+	// otherwise an invalid json will crash the server!
+	
 	for( Json::Value::iterator itr = a_Value.begin(); itr != a_Value.end(); ++itr )
 	{
 		m_Slots[SlotIdx].FromJson( *itr );
diff --git a/source/cInventory.h b/source/cInventory.h
index 96d744baf..bce485852 100644
--- a/source/cInventory.h
+++ b/source/cInventory.h
@@ -1,7 +1,7 @@
 
 #pragma once
 
-#include "cWindowOwner.h"
+#include "cItem.h"
 
 
 
@@ -12,7 +12,6 @@ namespace Json
 	class Value;
 };
 
-class cItem;
 class cClientHandle;
 class cPlayer;
 
@@ -21,10 +20,9 @@ class cPlayer;
 
 
 class cInventory										//tolua_export	
-	: public cWindowOwner	
 {														//tolua_export
 public:
-	cInventory(cPlayer* a_Owner);
+	cInventory(cPlayer & a_Owner);
 	~cInventory();
 
 	void Clear();										//tolua_export
@@ -38,19 +36,17 @@ public:
 	void SaveToJson(Json::Value & a_Value);
 	bool LoadFromJson(Json::Value & a_Value);
 
-	void SendWholeInventory( cClientHandle* a_Client );
-	void SendWholeInventoryToAll(void);
+	void SendWholeInventory(cClientHandle & a_Client);
 
-	cItem* GetSlot( int a_SlotNum );					//tolua_export
-	cItem* GetSlots() const { return m_Slots; }
-	cItem* GetFromHotBar( int a_SlotNum );				//tolua_export
+	cItem *       GetSlot(int a_SlotNum );					//tolua_export
+	cItem *       GetSlots(void)       { return m_Slots; }
+	const cItem * GetSlots(void) const { return m_Slots; }
+	cItem *       GetFromHotBar(int a_HotBarSlotNum);				//tolua_export
 
 	cItem &       GetEquippedItem(void);							//tolua_export
 	const cItem & GetEquippedItem(void) const;
-	void SetEquippedSlot( int a_SlotNum );				//tolua_export
-	short GetEquippedSlot() { return m_EquippedSlot; }	//tolua_export
-
-	virtual void Clicked(short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem) = 0;
+	void          SetEquippedSlot(int a_SlotNum);				//tolua_export
+	short         GetEquippedSlot(void) { return m_EquippedSlot; }	//tolua_export
 
 	void SendSlot( int a_SlotNum );						//tolua_export
 	
@@ -74,19 +70,17 @@ public:
 protected:
 	bool AddToBar( cItem & a_Item, const int a_Offset, const int a_Size, bool* a_bChangedSlots, int a_Mode = 0 );
 
-	cItem* m_Slots;
-	cItem* m_MainSlots;
-	cItem* m_CraftSlots;
-	cItem* m_ArmorSlots;
-	cItem* m_HotSlots;
+	cItem m_Slots[c_NumSlots];
+	
+	cItem * m_MainSlots;
+	cItem * m_CraftSlots;
+	cItem * m_ArmorSlots;
+	cItem * m_HotSlots;
 
-	cItem* m_EquippedItem;
+	cItem * m_EquippedItem;
 	short m_EquippedSlot;
 
-	cPlayer* m_Owner;
-	
-	// cWindowOwner override:
-	virtual void GetBlockPos(int & a_BlockX, int & a_BlockY, int & a_BlockZ) override {}  // UNUSED for an inventory
+	cPlayer & m_Owner;
 };	//tolua_export
 
 
diff --git a/source/cPlayer.cpp b/source/cPlayer.cpp
index 4095c633a..1d2774dbf 100644
--- a/source/cPlayer.cpp
+++ b/source/cPlayer.cpp
@@ -3,13 +3,12 @@
 
 #include "cPlayer.h"
 #include "cServer.h"
-#include "cCreativeInventory.h"
-#include "cSurvivalInventory.h"
 #include "cClientHandle.h"
+#include "UI/cWindow.h"
+#include "UI/cWindowOwner.h"
 #include "cWorld.h"
 #include "cPickup.h"
 #include "cPluginManager.h"
-#include "cWindow.h"
 #include "cBlockEntity.h"
 #include "cGroupManager.h"
 #include "cGroup.h"
@@ -48,8 +47,9 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 	, m_LastGroundHeight( 0 )
 	, m_bTouchGround( false )
 	, m_Stance( 0.0 )
-	, m_Inventory( 0 )
-	, m_CurrentWindow( 0 )
+	, m_Inventory(*this)
+	, m_CurrentWindow(NULL)
+	, m_InventoryWindow(NULL)
 	, m_TimeLastPickupCheck( 0.f )
 	, m_Color('-')
 	, m_ClientHandle( a_Client )
@@ -61,6 +61,9 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 		this, GetUniqueID()
 	);
 	m_EntityType = eEntityType_Player;
+	
+	m_InventoryWindow = new cInventoryWindow(*this);
+	m_CurrentWindow = m_InventoryWindow;
 
 	SetMaxHealth(20);
 	m_MaxFoodLevel = 20;
@@ -69,8 +72,6 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 	m_FoodLevel = m_MaxFoodLevel;
 	m_FoodSaturationLevel = 5.f;
 
-	m_Inventory = new cSurvivalInventory( this );
-	m_CreativeInventory = new cCreativeInventory(this);
 	cTimer t1;
 	m_LastPlayerListTime = t1.GetNowTime();
 
@@ -80,10 +81,9 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 	m_PlayerName = a_PlayerName;
 	m_bDirtyPosition = true; // So chunks are streamed to player at spawn
 
-	if( !LoadFromDisk() )
+	if (!LoadFromDisk())
 	{
-		m_Inventory->Clear();
-		m_CreativeInventory->Clear();
+		m_Inventory.Clear();
 		m_Pos.x = cRoot::Get()->GetDefaultWorld()->GetSpawnX();
 		m_Pos.y = cRoot::Get()->GetDefaultWorld()->GetSpawnY();
 		m_Pos.z = cRoot::Get()->GetDefaultWorld()->GetSpawnZ();
@@ -110,11 +110,6 @@ cPlayer::~cPlayer(void)
 
 	m_ClientHandle = NULL;
 	
-	delete m_Inventory;
-	m_Inventory = NULL;
-
-	delete m_CreativeInventory;
-	
 	LOG("Player %p deleted", this);
 }
 
@@ -373,9 +368,9 @@ void cPlayer::KilledBy(cEntity * a_Killer)
 	m_bVisible = false; // So new clients don't see the player
 
 	// Puke out all the items
-	cItem* Items = m_Inventory->GetSlots();
+	cItem * Items = m_Inventory.GetSlots();
 	cItems Pickups;
-	for (unsigned int i = 1; i < m_Inventory->c_NumSlots; ++i)
+	for (unsigned int i = 1; i < m_Inventory.c_NumSlots; ++i)
 	{
 		if( !Items[i].IsEmpty() )
 		{
@@ -419,10 +414,14 @@ Vector3d cPlayer::GetEyePosition()
 	return Vector3d( m_Pos.x, m_Stance, m_Pos.z );
 }
 
+
+
+
+
 void cPlayer::OpenWindow( cWindow* a_Window )
 {
 	CloseWindow(m_CurrentWindow ? (char)m_CurrentWindow->GetWindowType() : 0);
-	a_Window->Open( *this );
+	a_Window->OpenedByPlayer(*this);
 	m_CurrentWindow = a_Window;
 }
 
@@ -432,38 +431,15 @@ void cPlayer::OpenWindow( cWindow* a_Window )
 
 void cPlayer::CloseWindow(char a_WindowType)
 {
-	if (a_WindowType == 0)
+	if (m_CurrentWindow == m_InventoryWindow)
 	{
-		// Inventory
-		if (
-			(m_Inventory->GetWindow()->GetDraggingItem() != NULL) && 
-			(m_Inventory->GetWindow()->GetDraggingItem()->m_ItemCount > 0)
-		)
-		{
-			LOGD("Player holds item! Dropping it...");
-			TossItem( true, m_Inventory->GetWindow()->GetDraggingItem()->m_ItemCount );
-		}
-
-		//Drop whats in the crafting slots (1, 2, 3, 4)
-		cItems Drops;
-		for (int i = 1; i <= 4; i++)
-		{
-			cItem* Item = m_Inventory->GetSlot( i );
-			if (!Item->IsEmpty())
-			{
-				Drops.push_back(*Item);
-			}
-			Item->Empty();
-		}
-		float vX = 0, vY = 0, vZ = 0;
-		EulerToVector(-GetRotation(), GetPitch(), vZ, vX, vY);
-		vY = -vY*2 + 1.f;
-		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY() + 1.6f, GetPosZ(), vX * 2, vY * 2, vZ * 2);
+		// The inventory window must not be closed and must not be even sent a close packet
+		return;
 	}
 	
 	if (m_CurrentWindow != NULL)
 	{
-		// FIXME: If the player entity is destroyed while having a chest window open, the chest will not close
+		// TODO: This code should be in cChestWindow instead
 		if ((a_WindowType == 1) && (m_CurrentWindow->GetWindowType() == cWindow::Chest))
 		{
 			int x, y, z;
@@ -471,9 +447,9 @@ void cPlayer::CloseWindow(char a_WindowType)
 			m_World->BroadcastBlockAction(x, y, z, 1, 0, E_BLOCK_CHEST);
 		}
 		
-		m_CurrentWindow->Close( *this );
+		m_CurrentWindow->ClosedByPlayer(*this);
 	}
-	m_CurrentWindow = NULL;
+	m_CurrentWindow = m_InventoryWindow;
 }
 
 
@@ -515,19 +491,8 @@ void cPlayer::SetGameMode(eGameMode a_GameMode)
 		return;
 	}
 	
-	short OldSlotNum = 0;
-	if (m_GameMode == eGameMode_Survival)
-	{
-		OldSlotNum = m_Inventory->GetEquippedSlot();
-	}
-	else
-	{
-		OldSlotNum = m_CreativeInventory->GetEquippedSlot();
-	}
 	m_GameMode = a_GameMode;
 	m_ClientHandle->SendGameMode(a_GameMode);
-	GetInventory().SendWholeInventory(m_ClientHandle);
-	GetInventory().SetEquippedSlot(OldSlotNum);
 }
 
 
@@ -785,14 +750,18 @@ void cPlayer::TossItem(
 		// Drop an item from the inventory:
 		if (a_bDraggingItem)
 		{
-			cItem * Item = GetInventory().GetWindow()->GetDraggingItem();
-			if (!Item->IsEmpty())
+			cItem & Item = GetDraggingItem();
+			if (!Item.IsEmpty())
 			{
-				Drops.push_back(*Item);
-				if( Item->m_ItemCount > a_Amount )
-					Item->m_ItemCount -= (char)a_Amount;
+				Drops.push_back(Item);
+				if (Item.m_ItemCount > a_Amount)
+				{
+					Item.m_ItemCount -= (char)a_Amount;
+				}
 				else
-					Item->Empty();
+				{
+					Item.Empty();
+				}
 			}
 		}
 		else
@@ -917,7 +886,7 @@ bool cPlayer::LoadFromDisk()
 	}
 
 	Json::Value & JSON_PlayerPosition = root["position"];
-	if( JSON_PlayerPosition.size() == 3 )
+	if (JSON_PlayerPosition.size() == 3)
 	{
 		m_Pos.x = JSON_PlayerPosition[(unsigned int)0].asDouble();
 		m_Pos.y = JSON_PlayerPosition[(unsigned int)1].asDouble();
@@ -925,7 +894,7 @@ bool cPlayer::LoadFromDisk()
 	}
 
 	Json::Value & JSON_PlayerRotation = root["rotation"];
-	if( JSON_PlayerRotation.size() == 3 )
+	if (JSON_PlayerRotation.size() == 3)
 	{
 		m_Rot.x = (float)JSON_PlayerRotation[(unsigned int)0].asDouble();
 		m_Rot.y = (float)JSON_PlayerRotation[(unsigned int)1].asDouble();
@@ -938,9 +907,7 @@ bool cPlayer::LoadFromDisk()
 
 	m_GameMode = (eGameMode) root.get("gamemode", eGameMode_NotSet).asInt();
 	
-
-	m_Inventory->LoadFromJson(root["inventory"]);
-	m_CreativeInventory->LoadFromJson(root["creativeinventory"]);
+	m_Inventory.LoadFromJson(root["inventory"]);
 
 	m_LoadedWorldName = root.get("world", "world").asString();
 	
@@ -971,25 +938,23 @@ bool cPlayer::SaveToDisk()
 	JSON_PlayerRotation.append( Json::Value( m_Rot.z ) );
 
 	Json::Value JSON_Inventory;
-	m_Inventory->SaveToJson( JSON_Inventory );
-
-	Json::Value JSON_CreativeInventory;
-	m_CreativeInventory->SaveToJson( JSON_CreativeInventory );
+	m_Inventory.SaveToJson( JSON_Inventory );
 
 	Json::Value root;
 	root["position"] = JSON_PlayerPosition;
 	root["rotation"] = JSON_PlayerRotation;
 	root["inventory"] = JSON_Inventory;
-	root["creativeinventory"] = JSON_CreativeInventory;
 	root["health"] = m_Health;
 	root["food"] = m_FoodLevel;
 	root["foodSaturation"] = m_FoodSaturationLevel;
 	root["world"] = GetWorld()->GetName();
 
-	if(m_GameMode == GetWorld()->GetGameMode())
+	if (m_GameMode == GetWorld()->GetGameMode())
 	{
 		root["gamemode"] = (int) eGameMode_NotSet;
-	}else{
+	}
+	else
+	{
 		root["gamemode"] = (int) m_GameMode;
 	}
 
diff --git a/source/cPlayer.h b/source/cPlayer.h
index 8d652120a..d5b63941c 100644
--- a/source/cPlayer.h
+++ b/source/cPlayer.h
@@ -2,8 +2,7 @@
 #pragma once
 
 #include "cPawn.h"
-#include "cSurvivalInventory.h"
-#include "cCreativeInventory.h"
+#include "cInventory.h"
 #include "Defines.h"
 
 
@@ -12,7 +11,6 @@
 
 class cGroup;
 class cWindow;
-class cInventory;
 class cClientHandle;
 
 
@@ -43,8 +41,8 @@ public:
 	inline bool GetFlying() { return m_bTouchGround; }						//tolua_export
 	inline bool IsOnGround(void) const {return m_bTouchGround; }  // tolua_export
 	inline const double GetStance(void) const { return m_Pos.y + 1.62; }					//tolua_export  // TODO: Proper stance when crouching etc.
-	inline cInventory &       GetInventory(void)       { if (GetGameMode() == eGameMode_Survival) return *m_Inventory; else return *m_CreativeInventory; }	//tolua_export
-	inline const cInventory & GetInventory(void) const { if (GetGameMode() == eGameMode_Survival) return *m_Inventory; else return *m_CreativeInventory; }
+	inline cInventory &       GetInventory(void)       { return m_Inventory; }	//tolua_export
+	inline const cInventory & GetInventory(void) const { return m_Inventory; }
 	
 	inline const cItem & GetEquippedItem(void) const {return GetInventory().GetEquippedItem(); }
 
@@ -118,6 +116,10 @@ public:
 	void UseEquippedItem(void);
 	
 	void SendHealth();
+	
+	// In UI windows, the item that the player is dragging:
+	bool IsDraggingItem(void) const { return !m_DraggingItem.IsEmpty(); }
+	cItem & GetDraggingItem(void) {return m_DraggingItem; }
 
 protected:
 	virtual void Destroyed();
@@ -144,9 +146,9 @@ protected:
 	float m_LastGroundHeight;
 	bool m_bTouchGround;
 	double m_Stance;
-	cSurvivalInventory* m_Inventory;
-	cCreativeInventory* m_CreativeInventory;
-	cWindow* m_CurrentWindow;
+	cInventory m_Inventory;
+	cWindow * m_CurrentWindow;
+	cWindow * m_InventoryWindow;
 
 	float m_TimeLastPickupCheck;
 
@@ -159,6 +161,8 @@ protected:
 	int m_LastBlockActionCnt;
 	eGameMode m_GameMode;
 	std::string m_IP;
+	
+	cItem m_DraggingItem;
 
 	long long m_LastPlayerListTime;
 	static const unsigned short PLAYER_LIST_TIME_MS = 1000; // 1000 = once per second
diff --git a/source/cRoot.cpp b/source/cRoot.cpp
index 4c87210c7..6cd696da8 100644
--- a/source/cRoot.cpp
+++ b/source/cRoot.cpp
@@ -10,8 +10,6 @@
 #include "CraftingRecipes.h"
 #include "cPluginManager.h"
 #include "cMonsterConfig.h"
-#include "cSleep.h"
-#include "cThread.h"
 #include "cFileFormatUpdater.h"
 #include "cRedstone.h"
 #include "cPlayer.h"
diff --git a/source/cServer.cpp b/source/cServer.cpp
index 9653a2542..a4e2607a5 100644
--- a/source/cServer.cpp
+++ b/source/cServer.cpp
@@ -5,7 +5,6 @@
 
 #include "cServer.h"
 #include "cClientHandle.h"
-#include "cSleep.h"
 #include "cTimer.h"
 #include "cMonster.h"
 #include "cSocket.h"
diff --git a/source/cSurvivalInventory.cpp b/source/cSurvivalInventory.cpp
deleted file mode 100644
index 3786f86fa..000000000
--- a/source/cSurvivalInventory.cpp
+++ /dev/null
@@ -1,285 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cSurvivalInventory.h"
-#include "cPlayer.h"
-#include "cClientHandle.h"
-#include "cWindow.h"
-#include "cItem.h"
-#include "CraftingRecipes.h"
-#include "cRoot.h"
-#include "items/Item.h"
-
-
-
-
-
-cSurvivalInventory::cSurvivalInventory(cPlayer* a_Owner)
-	: cInventory(a_Owner)
-{
-}
-
-
-
-
-
-cSurvivalInventory::~cSurvivalInventory()
-{
-}
-
-
-
-
-
-void cSurvivalInventory::Clicked(
-	short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-	const cItem & a_HeldItem
-)
-{
-	cWindow * Window = GetWindow();
-	if (
-		a_IsShiftPressed &&      // Shift pressed
-		(Window != NULL) &&      // Window is valid
-		(Window->GetDraggingItem()->IsEmpty())  // Not dragging anything
-	)
-	{
-		ShiftClicked(a_SlotNum);
-		return;
-	}
-	
-	bool bDontCook = false;
-	if (Window != NULL)
-	{
-		// Override for craft result slot
-		if (a_SlotNum == (short)c_CraftOffset)
-		{
-			LOGD("Clicked in craft result slot, item there: %d:%d (%d times) !!", m_Slots[c_CraftOffset].m_ItemID, m_Slots[c_CraftOffset].m_ItemHealth, m_Slots[c_CraftOffset].m_ItemCount);
-			cItem * DraggingItem = Window->GetDraggingItem();
-			if (DraggingItem->IsEmpty())
-			{
-				*DraggingItem = m_Slots[c_CraftOffset];
-				m_Slots[c_CraftOffset].Empty();
-			}
-			else if (DraggingItem->IsEqual(m_Slots[c_CraftOffset]))
-			{
-				cItemHandler * Handler = ItemHandler(m_Slots[c_CraftOffset].m_ItemID);
-				if (DraggingItem->m_ItemCount + m_Slots[c_CraftOffset].m_ItemCount <= Handler->GetMaxStackSize())
-				{
-					DraggingItem->m_ItemCount += m_Slots[c_CraftOffset].m_ItemCount;
-					m_Slots[c_CraftOffset].Empty();
-				}
-				else
-				{
-					bDontCook = true;
-				}
-			}
-			else
-			{
-				bDontCook = true;
-			}
-		}
-		else
-		{
-			Window->Clicked(*m_Owner, 0, a_SlotNum, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
-		}
-	}
-	else
-	{
-		ASSERT(!"No inventory window! WTF?");
-		LOG("No Inventory window! WTF");
-	}
-
-	if ((a_SlotNum >= (short)c_CraftOffset) && (a_SlotNum < (short)(c_CraftOffset + c_CraftSlots + 1)))
-	{
-		cCraftingGrid   Grid(m_Slots + c_CraftOffset + 1, 2, 2);
-		cCraftingRecipe Recipe(Grid);
-		
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(m_Owner, Grid, Recipe);
-		
-		if ((a_SlotNum == 0) && !bDontCook)
-		{
-			// Consume the items from the crafting grid:
-			Recipe.ConsumeIngredients(Grid);
-			
-			// Propagate grid back to m_Slots:
-			Grid.CopyToItems(m_Slots + c_CraftOffset + 1);
-			
-			// Get the recipe for the new grid contents:
-			cRoot::Get()->GetCraftingRecipes()->GetRecipe(m_Owner, Grid, Recipe);
-		}
-		m_Slots[c_CraftOffset] = Recipe.GetResult();
-		LOGD("%s cooked: %d:%d (%d times) !!", m_Owner->GetName().c_str(), m_Slots[c_CraftOffset].m_ItemID, m_Slots[c_CraftOffset].m_ItemHealth, m_Slots[c_CraftOffset].m_ItemCount );
-		SendWholeInventory(m_Owner->GetClientHandle());
-	}
-	SendSlot(0);
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClicked(short a_SlotNum)
-{
-	ASSERT((GetWindow() == NULL) || (GetWindow()->GetDraggingItem()->IsEmpty()));  // Cannot handle shift-click if dragging something
-	
-	if (a_SlotNum == SLOT_CRAFTING_RESULT)
-	{
-		ShiftClickedCraftingResult(a_SlotNum);
-	}
-	else if ((a_SlotNum >= SLOT_CRAFTING_MIN) && (a_SlotNum <= SLOT_CRAFTING_MAX))
-	{
-		ShiftClickedCraftingGrid(a_SlotNum);
-	}
-	else if ((a_SlotNum >= SLOT_ARMOR_MIN) && (a_SlotNum <= SLOT_ARMOR_MAX))
-	{
-		ShiftClickedArmor(a_SlotNum);
-	}
-	else if ((a_SlotNum >= SLOT_HOTBAR_MIN) && (a_SlotNum <= SLOT_HOTBAR_MAX))
-	{
-		ShiftClickedHotbar(a_SlotNum);
-	}
-	else
-	{
-		ShiftClickedInventory(a_SlotNum);
-	}
-	// Because the client tries to guess our actions and is not always right, send the whole inventory:
-	SendWholeInventoryToAll();
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClickedCraftingResult(short a_Slot)
-{
-	// Craft until either the recipe changes (due to ingredients) or there's not enough storage for the result
-	cItem * CraftingResult = GetSlot(SLOT_CRAFTING_RESULT);
-	if ((CraftingResult == NULL) || CraftingResult->IsEmpty())
-	{
-		return;
-	}
-	cItem ResultCopy = *CraftingResult;
-	int HowManyItemsWillFit = HowManyCanFit(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	HowManyItemsWillFit += HowManyCanFit(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-	int HowManyPassesWillFit = HowManyItemsWillFit / CraftingResult->m_ItemCount;
-	for (int i = 0; i < HowManyPassesWillFit; i++)
-	{
-		// First try moving into the hotbar:
-		int NumMoved = MoveItem(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, CraftingResult->m_ItemCount, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-		
-		// If something didn't fit, move into main inventory:
-		if (NumMoved < CraftingResult->m_ItemCount)
-		{
-			MoveItem(CraftingResult->m_ItemID, CraftingResult->m_ItemHealth, CraftingResult->m_ItemCount - NumMoved, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-		}
-		
-		// "Use" the crafting recipe once:
-		cCraftingGrid   Grid(m_Slots + SLOT_CRAFTING_MIN, 2, 2);
-		cCraftingRecipe Recipe(Grid);
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(m_Owner, Grid, Recipe);
-		Recipe.ConsumeIngredients(Grid);
-		Grid.CopyToItems(m_Slots + c_CraftOffset + 1);
-		cRoot::Get()->GetCraftingRecipes()->GetRecipe(m_Owner, Grid, Recipe);
-		m_Slots[SLOT_CRAFTING_RESULT] = Recipe.GetResult();
-		
-		// If the recipe changed, abort:
-		if (!Recipe.GetResult().IsEqual(ResultCopy))
-		{
-			break;
-		}
-	}
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClickedCraftingGrid(short a_Slot)
-{
-	// Move the item from the crafting grid into the main inventory:
-	cItem * Item = GetSlot(a_Slot);
-	if ((Item == NULL) || Item->IsEmpty())
-	{
-		return;
-	}
-	// First try the main inventory:
-	Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	
-	// If anything left, try the hotbar:
-	if (Item->m_ItemCount > 0)
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-	}
-	SendSlot(a_Slot);
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClickedArmor(short a_Slot)
-{
-	// Move the item from the armor slot into the main inventory:
-	cItem * Item = GetSlot(a_Slot);
-	if ((Item == NULL) || Item->IsEmpty())
-	{
-		return;
-	}
-	Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	SendSlot(a_Slot);
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClickedHotbar(short a_Slot)
-{
-	// Move the item from the hotbar into the main inventory:
-	cItem * Item = GetSlot(a_Slot);
-	if ((Item == NULL) || Item->IsEmpty())
-	{
-		return;
-	}
-	Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_INVENTORY_MIN, SLOT_INVENTORY_MAX);
-	SendSlot(a_Slot);
-}
-
-
-
-
-
-void cSurvivalInventory::ShiftClickedInventory(short a_Slot)
-{
-	// Move the item from the main inventory into armor slot if it is armor, or the hotbar otherwise:
-	cItem * Item = GetSlot(a_Slot);
-	if ((Item == NULL) || Item->IsEmpty())
-	{
-		return;
-	}
-	if (ItemCategory::IsHelmet(Item->m_ItemID))
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_ARMOR_HELMET, SLOT_ARMOR_HELMET);
-	}
-	else if (ItemCategory::IsChestPlate(Item->m_ItemID))
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_ARMOR_CHESTPLATE, SLOT_ARMOR_CHESTPLATE);
-	}
-	else if (ItemCategory::IsLeggings(Item->m_ItemID))
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_ARMOR_LEGGINGS, SLOT_ARMOR_LEGGINGS);
-	}
-	else if (ItemCategory::IsBoots(Item->m_ItemID))
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_ARMOR_BOOTS, SLOT_ARMOR_BOOTS);
-	}
-	else
-	{
-		Item->m_ItemCount -= MoveItem(Item->m_ItemID, Item->m_ItemHealth, Item->m_ItemCount, SLOT_HOTBAR_MIN, SLOT_HOTBAR_MAX);
-	}
-	SendSlot(a_Slot);
-}
-
-
-
-
diff --git a/source/cSurvivalInventory.h b/source/cSurvivalInventory.h
deleted file mode 100644
index 3ad385fcf..000000000
--- a/source/cSurvivalInventory.h
+++ /dev/null
@@ -1,48 +0,0 @@
-
-#pragma once
-
-#include "cInventory.h"
-
-
-
-
-
-class cSurvivalInventory										//tolua_export
-	: public cInventory
-{														//tolua_export
-
-	enum
-	{
-		SLOT_CRAFTING_RESULT  = 0,
-		SLOT_CRAFTING_MIN     = 1,
-		SLOT_CRAFTING_MAX     = 4,
-		SLOT_ARMOR_MIN        = 5,
-		SLOT_ARMOR_HELMET     = 5,
-		SLOT_ARMOR_CHESTPLATE = 6,
-		SLOT_ARMOR_LEGGINGS   = 7,
-		SLOT_ARMOR_BOOTS      = 8,
-		SLOT_ARMOR_MAX        = 8,
-		SLOT_INVENTORY_MIN    = 9,
-		SLOT_INVENTORY_MAX    = 35,
-		SLOT_HOTBAR_MIN       = 36,
-		SLOT_HOTBAR_MAX       = 44,
-	} ;
-	
-	void ShiftClickedCraftingResult(short a_SlotNum);
-	void ShiftClickedCraftingGrid  (short a_SlotNum);
-	void ShiftClickedArmor         (short a_Slot);
-	void ShiftClickedHotbar        (short a_Slot);
-	void ShiftClickedInventory     (short a_Slot);
-	
-public:
-	cSurvivalInventory(cPlayer* a_Owner);
-	~cSurvivalInventory();
-
-	virtual void Clicked(short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem) override;
-	
-	void ShiftClicked(short a_SlotNum);
-};	//tolua_export
-
-
-
-
diff --git a/source/cWindow.cpp b/source/cWindow.cpp
deleted file mode 100644
index 5278122d5..000000000
--- a/source/cWindow.cpp
+++ /dev/null
@@ -1,374 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cWindow.h"
-#include "cItem.h"
-#include "cClientHandle.h"
-#include "cPlayer.h"
-#include "cPickup.h"
-#include "cInventory.h"
-#include "cWindowOwner.h"
-#include "items/Item.h"
-
-
-
-
-
-cWindow::cWindow( cWindowOwner* a_Owner, bool a_bInventoryVisible, cWindow::WindowType a_WindowType, int a_WindowID)
-	: m_WindowID( a_WindowID )
-	, m_WindowType( a_WindowType )
-	, m_Owner( a_Owner )
-	, m_bInventoryVisible( a_bInventoryVisible )
-	, m_NumSlots( 0 )
-	, m_Slots( 0 )
-	, m_DraggingItem( 0 )
-	, m_IsDestroyed(false)
-{
-	LOGD("Created a window at %p, type = %d, ID = %i", this, a_WindowType, a_WindowID);
-	if (!m_bInventoryVisible)
-	{
-		m_DraggingItem = new cItem();
-	}
-}
-
-
-
-
-
-cWindow::~cWindow()
-{
-	LOGD("Deleting a window at %p", this);
-	if( !m_bInventoryVisible && m_DraggingItem )
-	{
-		delete m_DraggingItem;
-		m_DraggingItem = 0;
-	}
-	LOGD("Deleted a window at %p", this);
-}
-
-
-
-
-
-cItem* cWindow::GetSlot( int a_Slot )
-{
-	if(a_Slot > -1 && a_Slot < m_NumSlots)
-	{
-		return (m_Slots + a_Slot);
-	}
-	return 0;
-}
-
-
-
-
-
-cItem* cWindow::GetDraggingItem( cPlayer * a_Player /* = 0 */ )
-{
-	if( m_bInventoryVisible && a_Player )
-	{
-		cWindow* Window = a_Player->GetInventory().GetWindow();
-		if( Window )
-		{
-			return Window->GetDraggingItem();
-		}
-	}
-	return m_DraggingItem;
-}
-
-
-
-
-
-void cWindow::Clicked(
-	cPlayer & a_Player, 
-	int a_WindowID, short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, 
-	const cItem & a_HeldItem
-)
-{
-	if (a_WindowID != m_WindowID)
-	{
-		LOG("WRONG WINDOW ID! (exp %d, got %d) received from \"%s\"", m_WindowID, a_WindowID, a_Player.GetName().c_str());
-		return;
-	}
-
-	if (m_bInventoryVisible)
-	{
-		cWindow * Window = a_Player.GetInventory().GetWindow();
-		if (Window != NULL)
-		{
-			m_DraggingItem = Window->GetDraggingItem();
-		}
-	}
-	bool bAsync = false;
-	if (a_SlotNum == -999) // Outside window click
-	{
-		if (a_IsRightClick)
-		{
-			a_Player.TossItem(true);
-		}
-		else
-		{
-			a_Player.TossItem(true, m_DraggingItem->m_ItemCount);
-		}
-	}
-	else if (GetSlot(a_SlotNum) != NULL)
-	{
-		cItem * Item = GetSlot(a_SlotNum);
-		if (!Item->IsEqual(a_HeldItem))
-		{
-			LOGD("*** Window lost sync ***");
-			LOGD("My Type:  %i Their Type:  %i", Item->m_ItemID,     a_HeldItem.m_ItemID);
-			LOGD("My Count: %i Their Count: %i", Item->m_ItemCount,  a_HeldItem.m_ItemCount);
-			LOGD("My Dmg:   %i Their Dmg:   %i", Item->m_ItemHealth, a_HeldItem.m_ItemHealth);
-			bAsync = true;
-		}
-	}
-	if (m_DraggingItem && (a_SlotNum > -1) && (a_SlotNum < m_NumSlots))
-	{
-		if (!a_IsRightClick)
-		{
-			// Left-clicked
-			if (!m_DraggingItem->IsEqual(m_Slots[a_SlotNum]))
-			{
-				// Switch contents
-				cItem tmp(*m_DraggingItem);
-				*m_DraggingItem = m_Slots[a_SlotNum];
-				m_Slots[a_SlotNum] = tmp;
-			}
-			else
-			{
-				// Same type, add items:
-				cItemHandler * Handler = ItemHandler(m_DraggingItem->m_ItemID);
-				int FreeSlots = Handler->GetMaxStackSize() - m_Slots[a_SlotNum].m_ItemCount;
-				if (FreeSlots < 0)
-				{
-					ASSERT(!"Bad item stack size - where did we get more items in a slot than allowed?");
-					FreeSlots = 0;
-				}
-				int Filling = (FreeSlots > m_DraggingItem->m_ItemCount) ? m_DraggingItem->m_ItemCount : FreeSlots;
-				m_Slots[a_SlotNum].m_ItemCount += (char)Filling;
-				m_DraggingItem->m_ItemCount -= (char)Filling;
-				if (m_DraggingItem->m_ItemCount <= 0)
-				{
-					m_DraggingItem->Empty();
-				}
-			}
-		}
-		else
-		{
-			// Right clicked
-			if (m_DraggingItem->m_ItemID <= 0) // Empty-handed?
-			{
-				m_DraggingItem->m_ItemCount = (char)(((float)m_Slots[a_SlotNum].m_ItemCount) / 2.f + 0.5f);
-				m_Slots[a_SlotNum].m_ItemCount -= m_DraggingItem->m_ItemCount;
-				m_DraggingItem->m_ItemID = m_Slots[a_SlotNum].m_ItemID;
-				m_DraggingItem->m_ItemHealth = m_Slots[a_SlotNum].m_ItemHealth;
-
-				if (m_Slots[a_SlotNum].m_ItemCount <= 0)
-				{
-					m_Slots[a_SlotNum].Empty();
-				}
-			}
-			else if ((m_Slots[a_SlotNum].m_ItemID <= 0) || m_DraggingItem->IsEqual(m_Slots[a_SlotNum]))
-			{
-				// Drop one item in slot
-				cItemHandler * Handler = ItemHandler(m_Slots[a_SlotNum].m_ItemID);
-				if ((m_DraggingItem->m_ItemCount > 0) && (m_Slots[a_SlotNum].m_ItemCount < Handler->GetMaxStackSize()))
-				{
-					m_Slots[a_SlotNum].m_ItemID = m_DraggingItem->m_ItemID;
-					m_Slots[a_SlotNum].m_ItemCount++;
-					m_Slots[a_SlotNum].m_ItemHealth = m_DraggingItem->m_ItemHealth;
-					m_DraggingItem->m_ItemCount--;
-				}
-				if (m_DraggingItem->m_ItemCount <= 0)
-				{
-					m_DraggingItem->Empty();
-				}
-			}
-			else if (!m_DraggingItem->IsEqual(m_Slots[a_SlotNum]))
-			{
-				// Swap contents
-				cItem tmp( *m_DraggingItem );
-				*m_DraggingItem = m_Slots[a_SlotNum];
-				m_Slots[a_SlotNum] = tmp;
-			}
-		}
-		if (bAsync)
-		{
-			// TODO: Handle this thread-safely (m_OpenedBy may change by another cSocketThread
-			for (cPlayerList::iterator itr = m_OpenedBy.begin(); itr != m_OpenedBy.end(); ++itr)
-			{
-				SendWholeWindow((*itr)->GetClientHandle());
-			}
-			if (m_bInventoryVisible || m_OpenedBy.empty())
-			{
-				a_Player.GetInventory().SendWholeInventory( a_Player.GetClientHandle() );
-			}
-		}
-	}
-	else if (m_bInventoryVisible) // Click in player inventory
-	{
-		cWindow * Window = a_Player.GetInventory().GetWindow();
-		if (Window)
-		{
-			Window->Clicked(a_Player, a_WindowID, a_SlotNum - 9, a_IsRightClick, a_IsShiftPressed, a_HeldItem);
-		}
-	}
-	if (m_DraggingItem != NULL)
-	{
-		LOGD("Dragging: %i", m_DraggingItem->m_ItemCount );
-	}
-}
-
-
-
-
-
-void cWindow::Open( cPlayer & a_Player )
-{
-	{
-		cCSLock Lock(m_CS);
-		// If player is already in OpenedBy remove player first
-		m_OpenedBy.remove( &a_Player );
-		// Then add player
-		m_OpenedBy.push_back( &a_Player );
-	}
-
-	a_Player.GetClientHandle()->SendWindowOpen(m_WindowID, m_WindowType, m_WindowTitle, m_NumSlots);
-}
-
-
-
-
-
-void cWindow::Close( cPlayer & a_Player )
-{
-	//Checks wheather the player is still holding an item
-	if (m_DraggingItem && m_DraggingItem->m_ItemCount > 0)
-	{
-		LOGD("Player holds item! Dropping it...");
-		a_Player.TossItem(true, m_DraggingItem->m_ItemCount);
-	}
-
-	cClientHandle * ClientHandle = a_Player.GetClientHandle();
-	if (ClientHandle != NULL)
-	{
-		ClientHandle->SendWindowClose(m_WindowID);
-	}
-
-	{
-		cCSLock Lock(m_CS);
-		m_OpenedBy.remove( &a_Player );
-		if( m_OpenedBy.size() == 0 )
-		{
-			Destroy();
-		}
-	}
-	if (m_IsDestroyed)
-	{
-		delete this;
-	}
-}
-
-
-
-
-
-void cWindow::OwnerDestroyed()
-{
-	m_Owner = 0;
-	while( m_OpenedBy.size() > 1 )
-	{
-		(*m_OpenedBy.begin() )->CloseWindow((char)GetWindowType());
-	}
-	(*m_OpenedBy.begin() )->CloseWindow((char)GetWindowType());
-}
-
-
-
-
-
-bool cWindow::ForEachPlayer(cItemCallback<cPlayer> & a_Callback)
-{
-	cCSLock Lock(m_CS);
-	for (cPlayerList::iterator itr = m_OpenedBy.begin(), end = m_OpenedBy.end(); itr != end; ++itr)
-	{
-		if (a_Callback.Item(*itr))
-		{
-			return false;
-		}
-	}  // for itr - m_OpenedBy[]
-	return true;
-}
-
-
-
-
-
-bool cWindow::ForEachClient(cItemCallback<cClientHandle> & a_Callback)
-{
-	cCSLock Lock(m_CS);
-	for (cPlayerList::iterator itr = m_OpenedBy.begin(), end = m_OpenedBy.end(); itr != end; ++itr)
-	{
-		if (a_Callback.Item((*itr)->GetClientHandle()))
-		{
-			return false;
-		}
-	}  // for itr - m_OpenedBy[]
-	return true;
-}
-
-
-
-
-
-void cWindow::Destroy()
-{
-	LOGD("Destroying window %p (type %d)", this, m_WindowType);
-	if (m_Owner != NULL)
-	{
-		m_Owner->CloseWindow();
-		m_Owner = NULL;
-	}
-	m_IsDestroyed = true;
-}
-
-
-
-
-
-void cWindow::SendWholeWindow(cClientHandle * a_Client )
-{
-	a_Client->SendWholeInventory(*this);
-}
-
-
-
-
-
-void cWindow::BroadcastWholeWindow(void)
-{
-	cCSLock Lock(m_CS);
-	for (cPlayerList::iterator itr = m_OpenedBy.begin(); itr != m_OpenedBy.end(); ++itr)
-	{
-		SendWholeWindow((*itr)->GetClientHandle());
-	}  // for itr - m_OpenedBy[]
-}
-
-
-
-
-
-void cWindow::BroadcastInventoryProgress(short a_Progressbar, short a_Value)
-{
-	cCSLock Lock(m_CS);
-	for (cPlayerList::iterator itr = m_OpenedBy.begin(); itr != m_OpenedBy.end(); ++itr)
-	{
-		(*itr)->GetClientHandle()->SendInventoryProgress(m_WindowID, a_Progressbar, a_Value);
-	}  // for itr - m_OpenedBy[]
-}
-
-
-
-
diff --git a/source/cWindow.h b/source/cWindow.h
deleted file mode 100644
index 77dc608a4..000000000
--- a/source/cWindow.h
+++ /dev/null
@@ -1,109 +0,0 @@
-
-// cWindow.h
-
-// Interfaces to the cWindow class representing a UI window for a specific block
-
-
-
-
-
-#pragma once
-
-
-class cPlayer;
-class cItem;
-class cWindowOwner;
-class cClientHandle;
-
-typedef std::list<cPlayer *> cPlayerList;
-
-
-
-
-
-/** 
-Represents a UI window (base class) for a specific block entity.
-
-There is up to one instance of the class for each block entity
-Each window has a list of players that are currently using it
-When there's no player using a window, it is destroyed
-*/
-class cWindow
-{
-public:
-	enum WindowType
-	{
-		Inventory   = -1,  // This value is never actually sent to a client
-		Chest       = 0,
-		Workbench   = 1,
-		Furnace     = 2,
-		Dispenser   = 3,
-		Enchantment = 4,
-		Brewery     = 5
-	};
-
-	cWindow(cWindowOwner * a_Owner, bool a_bInventoryVisible, WindowType a_WindowType, int a_WindowID);
-	~cWindow();
-
-	int GetWindowID(void) const { return m_WindowID; }
-	int GetWindowType(void) const { return m_WindowType; }
-
-	cItem* GetSlots(void) const { return m_Slots; }
-	int GetNumSlots(void) const { return m_NumSlots; }
-
-	cItem* GetSlot( int a_Slot );
-
-	cItem* GetDraggingItem( cPlayer * a_Player = 0 );
-
-	// a_Slots is an array of slots of size a_NumSlots
-	void SetSlots(cItem* a_Slots, int a_NumSlots) { m_Slots = a_Slots; m_NumSlots = a_NumSlots; }
-
-	bool IsInventoryVisible() { return m_bInventoryVisible; }
-	void SetInventoryVisible( bool a_bVisible ) { m_bInventoryVisible = a_bVisible; }
-
-	virtual void Clicked(
-		cPlayer & a_Player, int a_WindowID, 
-		short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed,
-		const cItem & a_HeldItem
-	);
-
-	virtual void Open( cPlayer & a_Player );
-	virtual void Close( cPlayer & a_Player );
-
-	cWindowOwner* GetOwner() { return m_Owner; }
-	void SetOwner( cWindowOwner* a_Owner ) { m_Owner = a_Owner; }
-
-	void SendWholeWindow(cClientHandle * a_Client);
-	void BroadcastWholeWindow(void);
-	void BroadcastInventoryProgress(short a_Progressbar, short a_Value);
-
-	const AString & GetWindowTitle() const { return m_WindowTitle; }
-	void SetWindowTitle( const std::string & a_WindowTitle ) { m_WindowTitle = a_WindowTitle; }
-
-	void OwnerDestroyed(void);
-	
-	/// Calls the callback safely for each player that has this window open; returns true if all players have been enumerated
-	bool ForEachPlayer(cItemCallback<cPlayer> & a_Callback);
-
-	/// Calls the callback safely for each client that has this window open; returns true if all clients have been enumerated
-	bool ForEachClient(cItemCallback<cClientHandle> & a_Callback);
-	
-private:
-
-	void Destroy();
-
-	char    m_WindowID;
-	int     m_WindowType;
-	AString m_WindowTitle;
-
-	cWindowOwner * m_Owner;
-
-	cCriticalSection m_CS;
-	cPlayerList m_OpenedBy;
-	
-	bool    m_bInventoryVisible;
-	int     m_NumSlots;
-	cItem * m_Slots;
-	cItem * m_DraggingItem;
-	bool    m_IsDestroyed;
-};
\ No newline at end of file