cuberite-2a/src/Simulator/IncrementalRedstoneSimulator/CommandBlockHandler.h

#pragma once

#include "RedstoneHandler.h"
#include "../../BlockEntities/CommandBlockEntity.h"





class cCommandBlockHandler final : public cRedstoneHandler
{
public:

	virtual unsigned char GetPowerDeliveredToPosition(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType) const override
	{
		UNUSED(a_Chunk);
		UNUSED(a_Position);
		UNUSED(a_BlockType);
		UNUSED(a_Meta);
		UNUSED(a_QueryPosition);
		UNUSED(a_QueryBlockType);
		return 0;
	}

	virtual void Update(cChunk & a_Chunk, cChunk &, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) const override
	{
		// LOGD("Evaluating commander the cmdblck (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);

		auto Previous = DataForChunk(a_Chunk).ExchangeUpdateOncePowerData(a_Position, a_PoweringData);
		if ((Previous.PowerLevel != 0) || (a_PoweringData.PowerLevel == 0))
		{
			// If we're already powered or received an update of no power, don't activate
			return;
		}

		a_Chunk.DoWithCommandBlockAt(a_Position, [](cCommandBlockEntity & a_CommandBlock)
		{
			a_CommandBlock.Activate();
			return false;
		});
	}

	virtual void ForValidSourcePositions(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, SourceCallback Callback) const override
	{
		UNUSED(a_Chunk);
		UNUSED(a_BlockType);
		UNUSED(a_Meta);
		InvokeForAdjustedRelatives(Callback, a_Position, RelativeAdjacents);
	}
};