ItemSpyglass.java

package minefantasy.mf2.item.gadget;

import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import minefantasy.mf2.MineFantasyII;
import minefantasy.mf2.item.list.CreativeTabMF;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumAction;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;

public class ItemSpyglass extends Item implements IScope
{
	public ItemSpyglass()
	{
		this.setCreativeTab(CreativeTabMF.tabGadget);
        setTextureName("minefantasy2:Other/spyglass_small");
		GameRegistry.registerItem(this, "spyglass", MineFantasyII.MODID);
		this.setUnlocalizedName("spyglass");
		this.setHasSubtypes(true);
		this.setMaxDamage(0);
		this.setMaxStackSize(1);
	}
	@Override
    public EnumAction getItemUseAction(ItemStack item)
    {
        return EnumAction.bow;
    }
	@Override
    public ItemStack onItemRightClick(ItemStack item, World world, EntityPlayer user)
    {
    	if(user.isSneaking())
    	{
			world.playSoundEffect(user.posX, user.posY + 1.5D, user.posZ, "random.click", 1.0F, 1.5F);
    		toggleMode(item);
    		user.swingItem();
    	}
    	else
    	{
    		user.setItemInUse(item, getMaxItemUseDuration(item));
    	}
    	return item;
    }
    private void toggleMode(ItemStack item)
    {
    	int dam = item.getItemDamage();
    	item.setItemDamage(dam == 2 ? 0 : dam+1);
	}
	@Override
    public int getMaxItemUseDuration(ItemStack item)
    {
        return Integer.MAX_VALUE;
    }
	
	public IIcon[] icons = new IIcon[3];
	@Override
    @SideOnly(Side.CLIENT)
    public void registerIcons(IIconRegister reg)
    {
		icons[0] = reg.registerIcon("minefantasy2:Other/spyglass_small");
		icons[1] = reg.registerIcon("minefantasy2:Other/spyglass_medium");
        icons[2] = reg.registerIcon("minefantasy2:Other/spyglass_long");
    }
    
    @Override
    @SideOnly(Side.CLIENT)
    public IIcon getIconFromDamage(int id)
    {
    	if(id > 2)
    	{
    		id = 2;
    	}
    	return icons[id];
    }
    
    @Override
    public float getZoom(ItemStack item)
    {
    	int id = item.getItemDamage();
    	return 0.5F +  (0.25F* id);
    }
}