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/WorldStorage/NBTChunkSerializer.cpp | 30 ++++++++++++++++++++----------
 source/WorldStorage/NBTChunkSerializer.h   |  5 +++++
 2 files changed, 25 insertions(+), 10 deletions(-)

(limited to 'source/WorldStorage')

diff --git a/source/WorldStorage/NBTChunkSerializer.cpp b/source/WorldStorage/NBTChunkSerializer.cpp
index 992fa7f69..e033bfb9b 100644
--- a/source/WorldStorage/NBTChunkSerializer.cpp
+++ b/source/WorldStorage/NBTChunkSerializer.cpp
@@ -11,7 +11,7 @@
 #include "../SignEntity.h"
 #include "../NoteEntity.h"
 #include "../JukeboxEntity.h"
-#include "../Item.h"
+#include "../ItemGrid.h"
 #include "../StringCompression.h"
 #include "../Entity.h"
 #include "../OSSupport/MakeDir.h"
@@ -74,6 +74,24 @@ void cNBTChunkSerializer::AddItem(const cItem & a_Item, int a_Slot, const AStrin
 
 
 
+void cNBTChunkSerializer::AddItemGrid(const cItemGrid & a_Grid, int a_BeginSlotNum)
+{
+	int NumSlots = a_Grid.GetNumSlots();
+	for (int i = 0; i < NumSlots; i++)
+	{
+		const cItem & Item = a_Grid.GetItem(i);
+		if (Item.IsEmpty())
+		{
+			continue;
+		}
+		AddItem(Item, i + a_BeginSlotNum);
+	}  // for i - chest slots[]
+}
+
+
+
+
+
 void cNBTChunkSerializer::AddBasicTileEntity(cBlockEntity * a_Entity, const char * a_EntityTypeID)
 {
 	m_Writer.AddInt   ("x",  a_Entity->GetPosX());
@@ -91,15 +109,7 @@ void cNBTChunkSerializer::AddChestEntity(cChestEntity * a_Entity)
 	m_Writer.BeginCompound("");
 		AddBasicTileEntity(a_Entity, "Chest");
 		m_Writer.BeginList("Items", TAG_Compound);
-			for (int i = 0; i < cChestEntity::c_ChestHeight * cChestEntity::c_ChestWidth; i++)
-			{
-				const cItem * Item = a_Entity->GetSlot(i);
-				if ((Item == NULL) || Item->IsEmpty())
-				{
-					continue;
-				}
-				AddItem(*Item, i);
-			}  // for i - chest slots[]
+			AddItemGrid(a_Entity->GetContents());
 		m_Writer.EndList();
 	m_Writer.EndCompound();
 }
diff --git a/source/WorldStorage/NBTChunkSerializer.h b/source/WorldStorage/NBTChunkSerializer.h
index 78847dbc0..5c59ca490 100644
--- a/source/WorldStorage/NBTChunkSerializer.h
+++ b/source/WorldStorage/NBTChunkSerializer.h
@@ -31,6 +31,8 @@ class cMinecartWithChest;
 class cMinecartWithFurnace;
 class cMonster;
 class cPickup;
+class cItemGrid;
+
 
 
 
@@ -71,6 +73,9 @@ protected:
 	/// Writes an item into the writer, if slot >= 0, adds the Slot tag. The compound is named as requested.
 	void AddItem(const cItem & a_Item, int a_Slot, const AString & a_CompoundName = "");
 	
+	/// Writes an item grid into the writer; begins the stored slot numbers with a_BeginSlotNum
+	void AddItemGrid(const cItemGrid & a_Grid, int a_BeginSlotNum = 0);
+	
 	// Block entities:
 	void AddBasicTileEntity(cBlockEntity * a_Entity, const char * a_EntityTypeID);
 	void AddChestEntity(cChestEntity * a_Entity);
-- 
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