1 files changed, 47 insertions, 0 deletions
diff --git a/src/Items/ItemStairs.h b/src/Items/ItemStairs.h
new file mode 100644
index 000000000..6fe447be5
--- /dev/null
+++ b/src/Items/ItemStairs.h
@@ -0,0 +1,47 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "Blocks/BlockStairs.h"
+
+
+
+
+
+class cItemStairsHandler :
+	public cItemHandler
+{
+	using Super = cItemHandler;
+
+public:
+
+	using Super::Super;
+
+private:
+
+	virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
+	{
+		NIBBLETYPE Meta = cBlockStairsHandler::YawToMetaData(a_Player.GetYaw());
+
+		switch (a_ClickedBlockFace)
+		{
+			case BLOCK_FACE_TOP:    break;
+			case BLOCK_FACE_BOTTOM: Meta |= 0x4; break;  // When placing onto a bottom face, always place an upside-down stairs block.
+			case BLOCK_FACE_EAST:
+			case BLOCK_FACE_NORTH:
+			case BLOCK_FACE_SOUTH:
+			case BLOCK_FACE_WEST:
+			{
+				// When placing onto a sideways face, check cursor, if in top half, make it an upside-down stairs block:
+				if (a_CursorPosition.y > 8)
+				{
+					Meta |= 0x4;
+				}
+				break;
+			}
+			default: UNREACHABLE("Unhandled block face");
+		}
+
+		return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), Meta);
+	}
+};