ActionValve.java

/**
 * Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 *
 * 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.triggers;

import java.util.Locale;

import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraftforge.common.util.ForgeDirection;
import buildcraft.api.gates.IActionParameter;
import buildcraft.api.gates.IGate;
import buildcraft.api.transport.IPipe;
import buildcraft.core.triggers.BCActionActive;
import buildcraft.core.triggers.StatementParameterDirection;
import buildcraft.core.utils.StringUtils;
import buildcraft.transport.Pipe;
import buildcraft.transport.PipeTransport;

public class ActionValve extends BCActionActive {

    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;
	
		private 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("buildcraft:triggers/action_valve_" + state.name().toLowerCase(Locale.ENGLISH));
    }

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

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

    @Override
    public IActionParameter createParameter(int index) {
		IActionParameter param = null;
	
		if (index == 0) {
		    param = new StatementParameterDirection();
		}
	
		return param;
    }

    @Override
    public void actionActivate(IGate gate, IActionParameter[] parameters) {
	    IPipe pipe = gate.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);
		    	}
		    }
		}
    }
}