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path: root/src/main/java/gregtech/api/threads/GT_Runnable_MachineBlockUpdate.java
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package gregtech.api.threads;

import gregtech.api.GregTech_API;
import gregtech.api.interfaces.tileentity.IMachineBlockUpdateable;

import java.util.ArrayList;

import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.ChunkPosition;
import net.minecraft.world.World;

public class GT_Runnable_MachineBlockUpdate implements Runnable {
	private final int mX, mY, mZ;
	private final World mWorld;
	
	public GT_Runnable_MachineBlockUpdate(World aWorld, int aX, int aY, int aZ) {
		mWorld = aWorld; mX = aX; mY = aY; mZ = aZ;
	}
	
	@Override
	public void run() {
		try {stepToUpdateMachine(mWorld, mX, mY, mZ, new ArrayList<ChunkPosition>());} catch(Throwable e) {/**/}
	}
	
	private static void stepToUpdateMachine(World aWorld, int aX, int aY, int aZ, ArrayList<ChunkPosition> aList) {
		aList.add(new ChunkPosition(aX, aY, aZ));
		TileEntity tTileEntity = aWorld.getTileEntity(aX, aY, aZ);
		if (tTileEntity != null && tTileEntity instanceof IMachineBlockUpdateable) ((IMachineBlockUpdateable)tTileEntity).onMachineBlockUpdate();
		if (aList.size() < 5 || (tTileEntity != null && tTileEntity instanceof IMachineBlockUpdateable) || GregTech_API.isMachineBlock(aWorld.getBlock(aX, aY, aZ), aWorld.getBlockMetadata(aX, aY, aZ))) {
			if (!aList.contains(new ChunkPosition(aX + 1, aY, aZ))) stepToUpdateMachine(aWorld, aX + 1, aY, aZ, aList);
			if (!aList.contains(new ChunkPosition(aX - 1, aY, aZ))) stepToUpdateMachine(aWorld, aX - 1, aY, aZ, aList);
			if (!aList.contains(new ChunkPosition(aX, aY + 1, aZ))) stepToUpdateMachine(aWorld, aX, aY + 1, aZ, aList);
			if (!aList.contains(new ChunkPosition(aX, aY - 1, aZ))) stepToUpdateMachine(aWorld, aX, aY - 1, aZ, aList);
			if (!aList.contains(new ChunkPosition(aX, aY, aZ + 1))) stepToUpdateMachine(aWorld, aX, aY, aZ + 1, aList);
			if (!aList.contains(new ChunkPosition(aX, aY, aZ - 1))) stepToUpdateMachine(aWorld, aX, aY, aZ - 1, aList);
		}
	}
}