
/*
 * Copyright 2011-2022 Cuberite Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

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





namespace CommandBlockHandler
{
	static PowerLevel GetPowerDeliveredToPosition(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType, bool IsLinked)
	{
		UNUSED(a_Chunk);
		UNUSED(a_Position);
		UNUSED(a_BlockType);
		UNUSED(a_QueryPosition);
		UNUSED(a_QueryBlockType);
		UNUSED(IsLinked);
		return 0;
	}

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

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

		a_Chunk.DoWithBlockEntityAt(a_Position, [](cBlockEntity & a_BlockEntity)
		{
			ASSERT(a_BlockEntity.GetBlockType() == E_BLOCK_COMMAND_BLOCK);

			static_cast<cCommandBlockEntity &>(a_BlockEntity).Activate();
			return false;
		});
	}

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