1 files changed, 53 insertions, 0 deletions

diff --git a/src/Items/ItemSideways.h b/src/Items/ItemSideways.h
new file mode 100644
index 000000000..cb6403fd6
--- /dev/null
+++ b/src/Items/ItemSideways.h
@@ -0,0 +1,53 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "Blocks/BlockSideways.h"
+
+
+
+
+
+/** Handler for blocks that have 3 orientations (hay bale, log), specified by the upper 2 bits in meta.
+Handles setting the correct orientation on placement.
+Additionally supports the metadata specifying block sub-type in its lower 2 bits. */
+class cItemSidewaysHandler :
+	public cItemHandler
+{
+	using Super = cItemHandler;
+
+public:
+
+	using Super::Super;
+
+private:
+
+	static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace, NIBBLETYPE a_Meta)
+	{
+		switch (a_BlockFace)
+		{
+			case BLOCK_FACE_YM:
+			case BLOCK_FACE_YP:
+			{
+				return a_Meta;  // Top or bottom, just return original.
+			}
+			case BLOCK_FACE_ZP:
+			case BLOCK_FACE_ZM:
+			{
+				return a_Meta | 0x8;  // North or south.
+			}
+			case BLOCK_FACE_XP:
+			case BLOCK_FACE_XM:
+			{
+				return a_Meta | 0x4;  // East or west.
+			}
+			default: UNREACHABLE("Unsupported block face");
+		}
+	}
+
+
+	virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
+	{
+		return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), BlockFaceToMetaData(a_ClickedBlockFace, static_cast<NIBBLETYPE>(a_HeldItem.m_ItemDamage)));
+	}
+};