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path: root/src/Simulator/IncrementalRedstoneSimulator/RedstoneToggleHandler.h
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#pragma once

#include "RedstoneHandler.h"
#include "Blocks/BlockButton.h"
#include "Blocks/BlockLever.h"





class cRedstoneToggleHandler : public cRedstoneHandler
{
	typedef cRedstoneHandler super;
public:

	cRedstoneToggleHandler(cWorld & a_World) :
		super(a_World)
	{
	}

	inline static const Vector3i GetPositionAttachedTo(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
	{
		switch (a_BlockType)
		{
			case E_BLOCK_LEVER:
			{
				switch (a_Meta & 0x7)
				{
					case 0x0:
					case 0x7: return { a_Position + Vector3i(0, 1, 0) };
					case 0x1: return { a_Position + Vector3i(-1, 0, 0) };
					case 0x2: return { a_Position + Vector3i(1, 0, 0) };
					case 0x3: return { a_Position + Vector3i(0, 0, -1) };
					case 0x4: return { a_Position + Vector3i(0, 0, 1) };
					case 0x5:
					case 0x6: return { a_Position + Vector3i(0, -1, 0) };
					default:
					{
						ASSERT(!"Unhandled lever metadata!");
						return { 0, 0, 0 };
					}
				}
			}
			case E_BLOCK_STONE_BUTTON:
			case E_BLOCK_WOODEN_BUTTON:
			{
				switch (a_Meta & 0x7)
				{
					case 0x0: return { a_Position + Vector3i(0, 1, 0) };
					case 0x1: return { a_Position + Vector3i(-1, 0, 0) };
					case 0x2: return { a_Position + Vector3i(1, 0, 0) };
					case 0x3: return { a_Position + Vector3i(0, 0, -1) };
					case 0x4: return { a_Position + Vector3i(0, 0, 1) };
					case 0x5: return { a_Position + Vector3i(0, -1, 0) };
					default:
					{
						ASSERT(!"Unhandled button metadata!");
						return { 0, 0, 0 };
					}
				}
			}
			default:
			{
				ASSERT(!"Unexpected block passed to button/lever handler");
				return { 0, 0, 0 };
			}
		}
	}

	virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override
	{
		UNUSED(a_QueryBlockType);
		if ((GetPositionAttachedTo(a_Position, a_BlockType, a_Meta) == a_QueryPosition) || cIncrementalRedstoneSimulator::IsMechanism(a_QueryBlockType))
		{
			return GetPowerLevel(a_Position, a_BlockType, a_Meta);
		}
		return 0;
	}

	virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
	{
		UNUSED(a_Position);

		switch (a_BlockType)
		{
			case E_BLOCK_LEVER: return cBlockLeverHandler::IsLeverOn(a_Meta) ? 15 : 0;
			case E_BLOCK_STONE_BUTTON:
			case E_BLOCK_WOODEN_BUTTON: return cBlockButtonHandler::IsButtonOn(a_Meta) ? 15 : 0;
			default:
			{
				ASSERT(!"Unexpected block passed to button/lever handler");
				return 0;
			}
		}
	}

	virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override
	{
		LOGD("Evaluating templatio<> the lever/button (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
		return {};
	}

	virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
	{
		UNUSED(a_Position);
		UNUSED(a_BlockType);
		UNUSED(a_Meta);
		return {};
	}
};