ActionValve.java

/**
 * Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.transport.statements;

import java.util.Locale;

import net.minecraft.client.renderer.texture.IIconRegister;

import net.minecraftforge.common.util.ForgeDirection;

import buildcraft.api.statements.IActionInternal;
import buildcraft.api.statements.IStatementContainer;
import buildcraft.api.statements.IStatementParameter;
import buildcraft.api.transport.IPipe;
import buildcraft.core.lib.utils.StringUtils;
import buildcraft.core.statements.BCStatement;
import buildcraft.core.statements.StatementParameterDirection;
import buildcraft.transport.Gate;
import buildcraft.transport.Pipe;
import buildcraft.transport.PipeTransport;

public class ActionValve extends BCStatement implements IActionInternal {

	public enum ValveState {
		OPEN(true, true),
		INPUT_ONLY(true, false),
		OUTPUT_ONLY(false, true),
		CLOSED(false, false);

		public static final ValveState[] VALUES = values();
		public final boolean inputOpen;
		public final boolean outputOpen;

		ValveState(boolean in, boolean out) {
			inputOpen = in;
			outputOpen = out;
		}
	}

	public final ValveState state;


	public ActionValve(ValveState valveState) {
		super("buildcraft:pipe.valve." + valveState.name().toLowerCase(Locale.ENGLISH));
		state = valveState;
	}

	@Override
	public String getDescription() {
		return StringUtils.localize("gate.action.pipe.valve." + state.name().toLowerCase(Locale.ENGLISH));
	}

	@Override
	public void registerIcons(IIconRegister iconRegister) {
		icon = iconRegister.registerIcon("buildcrafttransport:triggers/action_valve_" + state.name().toLowerCase(Locale.ENGLISH));
	}

	@Override
	public int maxParameters() {
		return 1;
	}

	@Override
	public int minParameters() {
		return 0;
	}

	@Override
	public IStatementParameter createParameter(int index) {
		return new StatementParameterDirection();
	}

	@Override
	public void actionActivate(IStatementContainer container, IStatementParameter[] parameters) {
		IPipe pipe = ((Gate) container).getPipe();

		if (pipe != null && pipe instanceof Pipe) {
			PipeTransport transport = ((Pipe<?>) pipe).transport;
			if (parameters[0] != null && parameters[0] instanceof StatementParameterDirection) {
				ForgeDirection side = ((StatementParameterDirection) parameters[0]).direction;

				if (side != ForgeDirection.UNKNOWN) {
					transport.allowInput(side, state.inputOpen);
					transport.allowOutput(side, state.outputOpen);
				}
			} else {
				for (ForgeDirection side : ForgeDirection.VALID_DIRECTIONS) {
					transport.allowInput(side, state.inputOpen);
					transport.allowOutput(side, state.outputOpen);
				}
			}
		}
	}
}