From cc26f1646308a71ea78f0656efa670915e5e7345 Mon Sep 17 00:00:00 2001
From: "madmaxoft@gmail.com"
 <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Wed, 10 Apr 2013 19:52:03 +0000
Subject: Added cItemGrid to represent an XY grid of items; converted chests to
 use cItemGrid.

http://forum.mc-server.org/showthread.php?tid=831

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1380 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/ItemGrid.h | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 source/ItemGrid.h

(limited to 'source/ItemGrid.h')

diff --git a/source/ItemGrid.h b/source/ItemGrid.h
new file mode 100644
index 000000000..91eba6f33
--- /dev/null
+++ b/source/ItemGrid.h
@@ -0,0 +1,94 @@
+
+// ItemGrid.h
+
+// Declares the cItemGrid class representing a storage for items in a XY grid (chests, dispensers, inventory etc.)
+
+
+
+
+#pragma once
+
+#include "Item.h"
+
+
+
+
+
+// tolua_begin
+class cItemGrid
+{
+public:
+	// tolua_end
+	cItemGrid(int a_Width, int a_Height);
+	
+	~cItemGrid();
+	
+	// tolua_begin
+	int GetWidth   (void) const { return m_Width; }
+	int GetHeight  (void) const { return m_Height; }
+	int GetNumSlots(void) const { return m_NumSlots; }
+	
+	/// Converts XY coords into slot number; returns -1 on invalid coords
+	int GetSlotNum(int a_X, int a_Y) const;
+	
+	// tolua_end
+	/// Converts slot number into XY coords; sets coords to -1 on invalid slot number. Exported in ManualBindings.cpp
+	void GetSlotCoords(int a_SlotNum, int & a_X, int & a_Y) const;
+	// tolua_begin
+	
+	// Retrieve items by coords or slot number; Logs warning and returns the first item on invalid coords / slotnum
+	const cItem & GetItem(int a_X, int a_Y) const;
+	cItem &       GetItem(int a_X, int a_Y);
+	const cItem & GetItem(int a_SlotNum) const;
+	cItem &       GetItem(int a_SlotNum);
+	
+	// Set item by coords or slot number; Logs warning and doesn't set on invalid coords / slotnum
+	void SetItem(int a_X, int a_Y, const cItem & a_Item);
+	void SetItem(int a_X, int a_Y, short a_ItemType, char a_ItemCount, short a_ItemDamage);
+	void SetItem(int a_SlotNum, const cItem & a_Item);
+	void SetItem(int a_SlotNum, short a_ItemType, char a_ItemCount, short a_ItemDamage);
+	
+	/// Sets all items as empty
+	void Clear(void);
+	
+	/// Returns number of items out of a_ItemStack that can fit in the storage
+	int HowManyCanFit(const cItem & a_ItemStack);
+	
+	/// Adds as many items out of a_ItemStack as can fit; the rest is left in a_ItemStack; returns true if any items fit.
+	bool AddItem(cItem & a_ItemStack);
+	
+	/// Same as AddItem, but works on an entire list of item stacks
+	bool AddItems(cItems & a_ItemStackList);
+	
+	/// Returns the index of the first empty slot; -1 if all full
+	int GetFirstEmptySlot(void) const;
+
+	/// Returns the index of the last empty slot; -1 if all full
+	int GetLastEmptySlot(void) const;
+	
+	/// Returns the index of the first empty slot following a_StartFrom (a_StartFrom is not checked)
+	int GetNextEmptySlot(int a_StartFrom) const;
+	
+	/// Copies the contents into a cItems object
+	void CopyToItems(cItems & a_Items) const;
+
+	// tolua_end
+	
+	/** Generates random loot from the specified loot probability table, with a chance of enchanted books added.
+	A total of a_NumSlots are taken by the loot.
+	Cannot export to Lua due to raw array a_LootProbabs.
+	*/
+	void GenerateRandomLootWithBooks(const cLootProbab * a_LootProbabs, int a_CountLootProbabs, int a_NumSlots, int a_Seed);
+
+	// tolua_begin
+	
+protected:
+	int     m_Width;
+	int     m_Height;
+	int     m_NumSlots;  // m_Width * m_Height, for easier validity checking in the access functions
+	cItem * m_Items;  // x + m_Width * y
+} ;
+// tolua_end
+
+
+
-- 
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