Package mods.railcraft.common.blocks.tracks

Source Code of mods.railcraft.common.blocks.tracks.TrackLimiter

/*
* 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 java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import net.minecraft.entity.item.EntityMinecart;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.IIcon;
import mods.railcraft.api.core.items.IToolCrowbar;
import mods.railcraft.api.tracks.ITrackPowered;
import mods.railcraft.common.carts.EntityLocomotive;
import mods.railcraft.common.carts.EntityLocomotive.LocoSpeed;

public class TrackLimiter extends TrackBaseRailcraft implements ITrackPowered {

    private static final int NUM_MODES = 4;
    private boolean powered = false;
    private byte mode = 0;

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

    @Override
    public IIcon getIcon() {
        if (isPowered()) {
            return getIcon(mode % NUM_MODES);
        }
        return getIcon(NUM_MODES);
    }

    @Override
    public boolean blockActivated(EntityPlayer player) {
        ItemStack current = player.getCurrentEquippedItem();
        if (current != null && current.getItem() instanceof IToolCrowbar) {
            IToolCrowbar crowbar = (IToolCrowbar) current.getItem();
            if (crowbar.canWhack(player, current, getX(), getY(), getZ())) {
                mode++;
                crowbar.onWhack(player, current, getX(), getY(), getZ());
                sendUpdateToClient();
                return true;
            }
        }
        return false;
    }

    @Override
    public void onMinecartPass(EntityMinecart cart) {
        if (isPowered()) {
            if (cart instanceof EntityLocomotive) {
                ((EntityLocomotive) cart).setSpeed(LocoSpeed.VALUES[mode % NUM_MODES]);
            }
        }
    }

    @Override
    public boolean isPowered() {
        return powered;
    }

    @Override
    public void setPowered(boolean powered) {
        this.powered = powered;
    }

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

    @Override
    public void writeToNBT(NBTTagCompound data) {
        super.writeToNBT(data);
        data.setBoolean("powered", powered);
        data.setByte("mode", mode);
    }

    @Override
    public void readFromNBT(NBTTagCompound data) {
        super.readFromNBT(data);
        powered = data.getBoolean("powered");
        mode = data.getByte("mode");
    }

    @Override
    public void writePacketData(DataOutputStream data) throws IOException {
        super.writePacketData(data);

        data.writeBoolean(powered);
        data.writeByte(mode);
    }

    @Override
    public void readPacketData(DataInputStream data) throws IOException {
        super.readPacketData(data);

        powered = data.readBoolean();
        mode = data.readByte();

        markBlockNeedsUpdate();
    }
}
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