RedstoneHelper.java

package shedar.mods.ic2.nuclearcontrol.utils;

import shedar.mods.ic2.nuclearcontrol.IRedstoneConsumer;
import net.minecraft.init.Blocks;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;

public class RedstoneHelper {

	private static boolean isPoweredWire(World world, int x, int y, int z) {
		return world.getBlock(x, y, z) == Blocks.redstone_wire
				&& Blocks.redstone_wire.isProvidingStrongPower(world, x, y, z,
						1) > 0;
	}

	public static void checkPowered(World world, TileEntity tileentity) {
		if (world != null && tileentity != null
				&& tileentity instanceof IRedstoneConsumer) {
			boolean powered = world.isBlockIndirectlyGettingPowered(
					tileentity.xCoord, tileentity.yCoord, tileentity.zCoord)
					|| isPoweredWire(world, tileentity.xCoord + 1,
							tileentity.yCoord, tileentity.zCoord)
					|| isPoweredWire(world, tileentity.xCoord - 1,
							tileentity.yCoord, tileentity.zCoord)
					|| isPoweredWire(world, tileentity.xCoord,
							tileentity.yCoord, tileentity.zCoord + 1)
					|| isPoweredWire(world, tileentity.xCoord,
							tileentity.yCoord, tileentity.zCoord - 1);
			((IRedstoneConsumer) tileentity).setPowered(powered);
		}
	}

}