TrackGatedOneWay.java

/* 
 * Copyright (c) CovertJaguar, 2014 http://railcraft.info
 * 
 * This code is the property of CovertJaguar
 * and may only be used with explicit written
 * permission unless otherwise specified on the
 * license page at http://railcraft.info/wiki/info:license.
 */
package mods.railcraft.common.blocks.tracks;

import net.minecraft.entity.item.EntityMinecart;
import net.minecraft.util.IIcon;
import mods.railcraft.api.tracks.ITrackPowered;
import mods.railcraft.api.tracks.ITrackReversable;

public class TrackGatedOneWay extends TrackGated implements ITrackReversable, ITrackPowered {

    private static final double MOTION_MIN = 0.2;

    @Override
    public EnumTrack getTrackType() {
        return EnumTrack.GATED_ONEWAY;
    }

    @Override
    public IIcon getIcon() {
        if (isReversed()) {
            return getIcon(1);
        }
        return getIcon(0);
    }

    @Override
    public void onMinecartPass(EntityMinecart cart) {
        if (isGateOpen()) {
            int meta = tileEntity.getBlockMetadata();
            if (meta == 0) {
                if (isReversed()) {
                    cart.motionZ = Math.max(Math.abs(cart.motionZ), MOTION_MIN);
                } else {
                    cart.motionZ = -Math.max(Math.abs(cart.motionZ), MOTION_MIN);
                }
            } else if (meta == 1) {
                if (isReversed()) {
                    cart.motionX = -Math.max(Math.abs(cart.motionX), MOTION_MIN);
                } else {
                    cart.motionX = Math.max(Math.abs(cart.motionX), MOTION_MIN);
                }
            }
        }
    }
}