1 files changed, 88 insertions, 0 deletions
diff --git a/src/Blocks/BlockFenceGate.h b/src/Blocks/BlockFenceGate.h
new file mode 100644
index 000000000..6423a7cb0
--- /dev/null
+++ b/src/Blocks/BlockFenceGate.h
@@ -0,0 +1,88 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+
+
+
+
+
+class cBlockFenceGateHandler :
+	public cBlockHandler
+{
+public:
+	cBlockFenceGateHandler(BLOCKTYPE a_BlockType) :
+		cBlockHandler(a_BlockType)
+	{
+	}
+
+
+	virtual bool GetPlacementBlockTypeMeta(
+		cWorld * a_World, cPlayer * a_Player,
+		int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, 
+		int a_CursorX, int a_CursorY, int a_CursorZ,
+		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
+	) override
+	{
+		a_BlockType = m_BlockType;
+		a_BlockMeta = PlayerYawToMetaData(a_Player->GetRotation());
+		return true;
+	}
+
+
+	virtual void OnUse(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override
+	{
+		NIBBLETYPE OldMetaData = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+		NIBBLETYPE NewMetaData = PlayerYawToMetaData(a_Player->GetRotation());
+		OldMetaData ^= 4;  // Toggle the gate
+		if ((OldMetaData & 1) == (NewMetaData & 1))
+		{
+			// Standing in front of the gate - apply new direction
+			a_World->SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, (OldMetaData & 4) | (NewMetaData & 3));
+		}
+		else
+		{
+			// Standing aside - use last direction
+			a_World->SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, OldMetaData);
+		}
+	}
+
+
+	virtual bool IsUseable(void) override
+	{
+		return true;
+	}
+
+
+	/// Converts the player's yaw to placed gate's blockmeta
+	inline static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
+	{
+		ASSERT((a_Yaw >= -180) && (a_Yaw < 180));
+		
+		a_Yaw += 360 + 45;
+		if (a_Yaw > 360)
+		{
+			a_Yaw -= 360;
+		}
+		if ((a_Yaw >= 0) && (a_Yaw < 90))
+		{
+			return 0x0;
+		}
+		else if ((a_Yaw >= 180) && (a_Yaw < 270))
+		{
+			return 0x2;
+		}
+		else if ((a_Yaw >= 90) && (a_Yaw < 180))
+		{
+			return 0x1;
+		}
+		else
+		{
+			return 0x3;
+		}
+	}
+} ;
+
+
+
+