1 files changed, 111 insertions, 0 deletions

diff --git a/src/Blocks/BlockLever.h b/src/Blocks/BlockLever.h
new file mode 100644
index 000000000..15fe2071c
--- /dev/null
+++ b/src/Blocks/BlockLever.h
@@ -0,0 +1,111 @@
+#pragma once
+
+#include "BlockHandler.h"
+
+
+
+
+
+class cBlockLeverHandler :
+	public cBlockHandler
+{
+public:
+	cBlockLeverHandler(BLOCKTYPE a_BlockType)
+		: cBlockHandler(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
+	{
+		// Flip the ON bit on/off using the XOR bitwise operation
+		NIBBLETYPE Meta = (a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) ^ 0x08);
+
+		a_World->SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
+		a_World->BroadcastSoundEffect("random.click", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, (Meta & 0x08) ? 0.6f : 0.5f);
+	}
+
+
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		// Reset meta to 0
+		a_Pickups.push_back(cItem(E_BLOCK_LEVER, 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 = LeverDirectionToMetaData(a_BlockFace);
+		return true;
+	}
+
+
+	inline static NIBBLETYPE LeverDirectionToMetaData(char a_Dir)
+	{
+		// Determine lever direction:
+		switch (a_Dir)
+		{
+			case BLOCK_FACE_YP: return 0x6;
+			case BLOCK_FACE_XP: return 0x1;
+			case BLOCK_FACE_XM: return 0x2;
+			case BLOCK_FACE_ZP: return 0x3;
+			case BLOCK_FACE_ZM: return 0x4;
+			case BLOCK_FACE_YM: return 0x0;
+			default:            return 0x6;
+		}
+	}
+
+
+	virtual const char * GetStepSound(void) override
+	{
+		return "step.wood";
+	}
+
+
+	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;
+			case 0x5:
+			case 0x6: return BLOCK_FACE_YP;
+			case 0x7:
+			case 0x0: return BLOCK_FACE_YM;
+			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.UnboundedRelGetBlockMeta(a_RelX, a_RelY, a_RelZ, Meta);
+
+		AddFaceDirection(a_RelX, a_RelY, a_RelZ, BlockMetaDataToBlockFace(Meta), true);
+		BLOCKTYPE BlockIsOn; a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, BlockIsOn);
+
+		return (a_RelY > 0) && (g_BlockIsSolid[BlockIsOn]);
+	}
+} ;
+
+
+
+