From 4e0edc9fa7acca81ad28be3ff7b74d8178b29091 Mon Sep 17 00:00:00 2001
From: Howaner <franzi.moos@googlemail.com>
Date: Sun, 16 Mar 2014 17:42:23 +0100
Subject: [PATCH] Add anvil direction.

---
 src/Blocks/BlockAnvil.h       | 63 +++++++++++++++++++++++++++++++++++
 src/Blocks/BlockHandler.cpp   |  2 ++
 src/WorldStorage/WSSAnvil.cpp | 10 +++++-
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 src/Blocks/BlockAnvil.h

diff --git a/src/Blocks/BlockAnvil.h b/src/Blocks/BlockAnvil.h
new file mode 100644
index 000000000..aadec2e94
--- /dev/null
+++ b/src/Blocks/BlockAnvil.h
@@ -0,0 +1,63 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+#include "../World.h"
+#include "../Entities/Player.h"
+
+
+
+
+
+class cBlockAnvilHandler :
+	public cBlockHandler
+{
+public:
+	cBlockAnvilHandler(BLOCKTYPE a_BlockType)
+		: cBlockHandler(a_BlockType)
+	{
+	}
+	
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		a_Pickups.push_back(cItem(E_BLOCK_ANVIL, 1, a_BlockMeta));
+	}
+	
+	virtual bool GetPlacementBlockTypeMeta(
+		cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
+		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, 
+		int a_CursorX, int a_CursorY, int a_CursorZ,
+		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
+	) override
+	{
+		a_BlockType = m_BlockType;
+		
+		int Direction = (int)floor(a_Player->GetYaw() * 4.0 / 360.0 + 0.5) & 0x3;
+		int RawMeta = a_BlockMeta >> 2;
+		
+		Direction++;
+		Direction %= 4;
+		switch (Direction)
+		{
+			case 0:      a_BlockMeta = 0x2 | RawMeta << 2; break;
+			case 1:      a_BlockMeta = 0x3 | RawMeta << 2; break;
+			case 2:      a_BlockMeta = 0x0 | RawMeta << 2; break;
+			case 3:      a_BlockMeta = 0x1 | RawMeta << 2; break;
+			default:
+			{
+				return false;
+			}
+		}
+		
+		return true;
+	}
+
+	virtual bool IsUseable() override
+	{
+		return true;
+	}
+} ;
+
+
+
+
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index aa97b2ca9..5b8effc07 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -6,6 +6,7 @@
 #include "../Root.h"
 #include "../Bindings/PluginManager.h"
 #include "../Chunk.h"
+#include "BlockAnvil.h"
 #include "BlockBed.h"
 #include "BlockBrewingStand.h"
 #include "BlockButton.h"
@@ -85,6 +86,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType)
 		// Block handlers, alphabetically sorted:
 		case E_BLOCK_ACACIA_WOOD_STAIRS:    return new cBlockStairsHandler          (a_BlockType);
 		case E_BLOCK_ACTIVATOR_RAIL:        return new cBlockRailHandler            (a_BlockType);
+		case E_BLOCK_ANVIL:                 return new cBlockAnvilHandler           (a_BlockType);
 		case E_BLOCK_BED:                   return new cBlockBedHandler             (a_BlockType);
 		case E_BLOCK_BIRCH_WOOD_STAIRS:     return new cBlockStairsHandler          (a_BlockType);
 		case E_BLOCK_BREWING_STAND:         return new cBlockBrewingStandHandler    (a_BlockType);
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp
index 4dd4c755d..19405f4aa 100644
--- a/src/WorldStorage/WSSAnvil.cpp
+++ b/src/WorldStorage/WSSAnvil.cpp
@@ -1497,7 +1497,15 @@ void cWSSAnvil::LoadHangingFromNBT(cHangingEntity & a_Hanging, const cParsedNBT
 	int Direction = a_NBT.FindChildByName(a_TagIdx, "Direction");
 	if (Direction > 0)
 	{
-		a_Hanging.SetDirection(static_cast<eBlockFace>((int)a_NBT.GetByte(Direction)));
+		Direction = (int)a_NBT.GetByte(Direction);
+		if ((Direction < 0) || (Direction > 5))
+		{
+			a_Hanging.SetDirection(BLOCK_FACE_NORTH);
+		}
+		else
+		{
+			a_Hanging.SetDirection(static_cast<eBlockFace>(Direction));
+		}
 	}
 	else
 	{