1 files changed, 93 insertions, 0 deletions
diff --git a/src/Blocks/BlockButton.h b/src/Blocks/BlockButton.h
new file mode 100644
index 000000000..15649acc0
--- /dev/null
+++ b/src/Blocks/BlockButton.h
@@ -0,0 +1,93 @@
+#pragma once
+
+#include "BlockHandler.h"
+
+
+
+
+
+class cBlockButtonHandler :
+	public cBlockHandler
+{
+public:
+	cBlockButtonHandler(BLOCKTYPE a_BlockType);
+	
+	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;
+
+	
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		// Reset meta to 0
+		a_Pickups.push_back(cItem(m_BlockType, 1, 0));
+	}
+
+
+	virtual bool IsUseable(void) override
+	{
+		return true;
+	}
+	
+	
+	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 = BlockFaceToMetaData(a_BlockFace);
+		return true;
+	}
+
+
+	virtual const char * GetStepSound(void) override
+	{
+		return m_BlockType == E_BLOCK_WOODEN_BUTTON ? "step.wood" : "step.stone";
+	}
+
+
+	inline static NIBBLETYPE BlockFaceToMetaData(char a_BlockFace)
+	{
+		switch (a_BlockFace)
+		{
+			case BLOCK_FACE_ZM: { return 0x4; }
+			case BLOCK_FACE_ZP: { return 0x3; }
+			case BLOCK_FACE_XM: { return 0x2; }
+			case BLOCK_FACE_XP: { return 0x1; }
+			default:
+			{
+				ASSERT(!"Unhandled block face!");
+				return 0x0; // No idea, give a special meta (button in centre of block)
+			}
+		}
+	}
+
+	inline static NIBBLETYPE BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
+	{
+		switch (a_Meta & 0x7)
+		{
+			case 0x1: return BLOCK_FACE_XP;
+			case 0x2: return BLOCK_FACE_XM;
+			case 0x3: return BLOCK_FACE_ZP;
+			case 0x4: return BLOCK_FACE_ZM;
+			default:
+			{
+				ASSERT(!"Unhandled block meta!");
+				return BLOCK_FACE_NONE;
+			}
+		}
+	}
+
+	virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
+	{
+		NIBBLETYPE Meta = a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ);
+
+		AddFaceDirection(a_RelX, a_RelY, a_RelZ, BlockMetaDataToBlockFace(Meta), true);
+		return (a_RelY > 0) && (g_BlockIsSolid[a_Chunk.GetBlock(a_RelX, a_RelY, a_RelZ)]);
+	}
+} ;
+
+
+
+