From a06b72c18dde43d8b242ed02261daa7c19c8b910 Mon Sep 17 00:00:00 2001
From: "madmaxoft@gmail.com"
 <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Fri, 15 Jun 2012 20:58:52 +0000
Subject: Anvil: added support for signs (why was it still missing??)

git-svn-id: http://mc-server.googlecode.com/svn/trunk@616 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/FastNBT.h    |  8 ++++++++
 source/WSSAnvil.cpp | 45 ++++++++++++++++++++++++++++++++++++++++++---
 source/WSSAnvil.h   |  1 +
 3 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/source/FastNBT.h b/source/FastNBT.h
index ca801b36f..88d79f4c1 100644
--- a/source/FastNBT.h
+++ b/source/FastNBT.h
@@ -182,6 +182,14 @@ public:
 		return NetworkToHostDouble8(m_Data + m_Tags[a_Tag].m_DataStart);
 	}
 	
+	inline AString GetString(int a_Tag) const
+	{
+		ASSERT(m_Tags[a_Tag].m_Type == TAG_String);
+		AString res;
+		res.assign(m_Data + m_Tags[a_Tag].m_DataStart, m_Tags[a_Tag].m_DataLength);
+		return res;
+	}
+	
 protected:
 	const char *             m_Data;
 	int                      m_Length;
diff --git a/source/WSSAnvil.cpp b/source/WSSAnvil.cpp
index 435b8007d..14cea81f0 100644
--- a/source/WSSAnvil.cpp
+++ b/source/WSSAnvil.cpp
@@ -10,10 +10,10 @@
 #include "BlockID.h"
 #include "cChestEntity.h"
 #include "cFurnaceEntity.h"
+#include "cSignEntity.h"
 #include "cItem.h"
 #include "StringCompression.h"
 #include "cEntity.h"
-#include "cBlockEntity.h"
 #include "cMakeDir.h"
 #include "FastNBT.h"
 
@@ -136,6 +136,18 @@ protected:
 	}
 
 
+	void AddSignEntity(cSignEntity * a_Sign)
+	{
+		m_Writer.BeginCompound("");
+		AddBasicTileEntity(a_Sign, "Sign");
+		m_Writer.AddString("Text1",   a_Sign->GetLine(0));
+		m_Writer.AddString("Text2",   a_Sign->GetLine(1));
+		m_Writer.AddString("Text3",   a_Sign->GetLine(2));
+		m_Writer.AddString("Text4",   a_Sign->GetLine(3));
+		m_Writer.EndCompound();
+	}
+
+
 	virtual bool LightIsValid(bool a_IsLightValid) override
 	{
 		m_IsLightValid = a_IsLightValid;
@@ -168,8 +180,10 @@ protected:
 		// Add tile-entity into NBT:
 		switch (a_Entity->GetBlockType())
 		{
-			case E_BLOCK_CHEST:   AddChestEntity  ((cChestEntity *)  a_Entity); break;
-			case E_BLOCK_FURNACE: AddFurnaceEntity((cFurnaceEntity *)a_Entity); break;
+			case E_BLOCK_CHEST:     AddChestEntity  ((cChestEntity *)  a_Entity); break;
+			case E_BLOCK_FURNACE:   AddFurnaceEntity((cFurnaceEntity *)a_Entity); break;
+			case E_BLOCK_SIGN_POST:
+			case E_BLOCK_WALLSIGN:  AddSignEntity   ((cSignEntity *)   a_Entity); break;
 			default:
 			{
 				ASSERT(!"Unhandled block entity saved into Anvil");
@@ -619,6 +633,10 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con
 		{
 			LoadFurnaceFromNBT(a_BlockEntities, a_NBT, Child);
 		}
+		else if (strncmp(a_NBT.GetData(sID), "Sign", a_NBT.GetDataLength(sID)) == 0)
+		{
+			LoadSignFromNBT(a_BlockEntities, a_NBT, Child);
+		}
 		// TODO: Other block entities
 	}  // for Child - tag children
 }
@@ -740,6 +758,27 @@ void cWSSAnvil::LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cPa
 
 
 
+void cWSSAnvil::LoadSignFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
+{
+	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
+	int x, y, z;
+	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
+	{
+		return;
+	}
+	std::auto_ptr<cSignEntity> Sign(new cSignEntity(E_BLOCK_SIGN_POST, x, y, z, m_World));
+	int Text1 = a_NBT.FindChildByName(a_TagIdx, "Text1");
+	if (Text1 >= 0)
+	{
+		Sign->SetLine(0, a_NBT.GetString(Text1));
+	}
+	a_BlockEntities.push_back(Sign.release());
+}
+
+
+
+
+
 bool cWSSAnvil::GetBlockEntityNBTPos(const cParsedNBT & a_NBT, int a_TagIdx, int & a_X, int & a_Y, int & a_Z)
 {
 	int x = a_NBT.FindChildByName(a_TagIdx, "x");
diff --git a/source/WSSAnvil.h b/source/WSSAnvil.h
index ab03adf5e..a88a67374 100644
--- a/source/WSSAnvil.h
+++ b/source/WSSAnvil.h
@@ -110,6 +110,7 @@ protected:
 	
 	void LoadChestFromNBT  (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	void LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
+	void LoadSignFromNBT   (cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx);
 	
 	/// Helper function for extracting the X, Y, and Z int subtags of a NBT compound; returns true if successful
 	bool GetBlockEntityNBTPos(const cParsedNBT & a_NBT, int a_TagIdx, int & a_X, int & a_Y, int & a_Z);
-- 
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