6 files changed, 69 insertions, 23 deletions
diff --git a/src/BlockEntities/BlockEntityWithItems.h b/src/BlockEntities/BlockEntityWithItems.h
index ca6758e7a..f26ef07dd 100644
--- a/src/BlockEntities/BlockEntityWithItems.h
+++ b/src/BlockEntities/BlockEntityWithItems.h
@@ -20,12 +20,9 @@
 
 // tolua_begin
 class cBlockEntityWithItems :
-	public cBlockEntity
-	// tolua_end
-	// tolua doesn't seem to support multiple inheritance?
-	, public cItemGrid::cListener
-	, public cWindowOwner
-	// tolua_begin
+	public cBlockEntity,
+	public cItemGrid::cListener,
+	public cBlockEntityWindowOwner
 {
 	typedef cBlockEntity super;
 	
@@ -39,7 +36,8 @@ public:
 		cWorld * a_World                            // Optional world to assign to the entity
 	) :
 		super(a_BlockType, a_BlockX, a_BlockY, a_BlockZ, a_World),
-		m_Contents(a_ItemGridWidth, a_ItemGridHeight)
+		m_Contents(a_ItemGridWidth, a_ItemGridHeight),
+		cBlockEntityWindowOwner(this)
 	{
 		m_Contents.AddListener(*this);
 	}
diff --git a/src/BlockEntities/EnderChestEntity.cpp b/src/BlockEntities/EnderChestEntity.cpp
index b870f9e50..0654d97dd 100644
--- a/src/BlockEntities/EnderChestEntity.cpp
+++ b/src/BlockEntities/EnderChestEntity.cpp
@@ -11,7 +11,8 @@
 
 
 cEnderChestEntity::cEnderChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
-	super(E_BLOCK_ENDER_CHEST, a_BlockX, a_BlockY, a_BlockZ, a_World)
+	super(E_BLOCK_ENDER_CHEST, a_BlockX, a_BlockY, a_BlockZ, a_World),
+	cBlockEntityWindowOwner(this)
 {
 }
 
diff --git a/src/BlockEntities/EnderChestEntity.h b/src/BlockEntities/EnderChestEntity.h
index ccfb2690b..311af8d76 100644
--- a/src/BlockEntities/EnderChestEntity.h
+++ b/src/BlockEntities/EnderChestEntity.h
@@ -11,7 +11,7 @@
 // tolua_begin
 class cEnderChestEntity :
 	public cBlockEntity,
-	public cWindowOwner
+	public cBlockEntityWindowOwner
 {
 	typedef cBlockEntity super;
 	
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index 42ac57a07..c5e1c07d5 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -7,7 +7,6 @@
 
 #include "Globals.h"
 #include "Minecart.h"
-#include "../World.h"
 #include "../ClientHandle.h"
 #include "../Chunk.h"
 #include "Player.h"
@@ -1107,7 +1106,8 @@ void cRideableMinecart::OnRightClicked(cPlayer & a_Player)
 
 cMinecartWithChest::cMinecartWithChest(double a_X, double a_Y, double a_Z) :
 	super(mpChest, a_X, a_Y, a_Z),
-	m_Contents(ContentsWidth, ContentsHeight)
+	m_Contents(ContentsWidth, ContentsHeight),
+	cEntityWindowOwner(this)
 {
 	m_Contents.AddListener(*this);
 }
diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h
index f77a171ba..6b6ad36b5 100644
--- a/src/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
@@ -10,6 +10,7 @@
 #pragma once
 
 #include "Entity.h"
+#include "World.h"
 #include "../UI/WindowOwner.h"
 
 
@@ -111,7 +112,7 @@ protected:
 class cMinecartWithChest :
 	public cMinecart,
 	public cItemGrid::cListener,
-	public cWindowOwner
+	public cEntityWindowOwner
 {
 	typedef cMinecart super;
 	
diff --git a/src/UI/WindowOwner.h b/src/UI/WindowOwner.h
index a8be3e6cb..6845a161b 100644
--- a/src/UI/WindowOwner.h
+++ b/src/UI/WindowOwner.h
@@ -1,4 +1,3 @@
-
 #pragma once
 
 #include "../BlockEntities/BlockEntity.h"
@@ -16,12 +15,6 @@ for entities / players in motion to close their windows when they get too far aw
 
 
 
-// class cWindow;
-
-
-
-
-
 /**
 Base class for the window owning
 */
@@ -32,16 +25,16 @@ public:
 		m_Window(NULL)
 	{
 	}
-	
+
 	virtual ~cWindowOwner()
 	{
 	}
-	
+
 	void CloseWindow(void)
 	{
 		m_Window = NULL;
 	}
-	
+
 	void OpenWindow(cWindow * a_Window)
 	{
 		m_Window = a_Window;
@@ -52,7 +45,10 @@ public:
 	{
 		return m_Window;
 	}
-	
+
+	/// Returns the block position at which the element owning the window is
+	virtual Vector3i GetBlockPos(void) = 0;
+
 private:
 	cWindow * m_Window;
 };
@@ -60,3 +56,53 @@ private:
 
 
 
+
+/**
+Window owner that is associated with a block entity (chest, furnace, ...)
+*/
+class cBlockEntityWindowOwner :
+	public cWindowOwner
+{
+public:
+	cBlockEntityWindowOwner(cBlockEntity * a_BlockEntity) :
+		m_BlockEntity(a_BlockEntity)
+	{
+	}
+
+	virtual Vector3i GetBlockPos(void) override
+	{
+		return Vector3i(m_BlockEntity->GetPosX(), m_BlockEntity->GetPosY(), m_BlockEntity->GetPosZ());
+	}
+
+private:
+	cBlockEntity * m_BlockEntity;
+};
+
+
+
+
+
+/**
+Window owner that is associated with an entity (chest minecart)
+*/
+class cEntityWindowOwner :
+	public cWindowOwner
+{
+public:
+	cEntityWindowOwner(cEntity * a_Entity) :
+		m_Entity(a_Entity)
+	{
+	}
+
+	virtual Vector3i GetBlockPos(void) override
+	{
+		return m_Entity->GetPosition().Floor();
+	}
+
+private:
+	cEntity * m_Entity;
+};
+
+
+
+