TinkersConstruct/tconstruct/items/armor/HeartCanister.java

package tconstruct.items.armor;

import java.util.List;

import tconstruct.TConstruct;
import tconstruct.items.CraftingItem;
import tconstruct.util.player.ArmorExtended;
import tconstruct.util.player.TPlayerStats;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class HeartCanister extends CraftingItem
{

    public HeartCanister(int id)
    {
        super(id, new String[] { "empty", "miniheart.red", "heart" }, new String[] { "canister_empty", "miniheart_red", "canister_heart" }, "");
        this.setMaxStackSize(10);
    }

    @Override
    public ItemStack onItemRightClick (ItemStack stack, World world, EntityPlayer player)
    {
        if (!world.isRemote && stack.getItemDamage() == 2)
        {
            TPlayerStats stats = TConstruct.playerTracker.getPlayerStats(player.username);
            if (stats != null)
            {
                ArmorExtended armor = stats.armor;
                ItemStack slotStack = armor.getStackInSlot(6);
                if (slotStack == null)// || slotStack.getItem() == this)
                {
                    armor.setInventorySlotContents(6, new ItemStack(this, 1, 2));
                    stack.stackSize--;
                }
                else if (slotStack.getItem() == this && slotStack.stackSize < this.maxStackSize)
                {
                    slotStack.stackSize++;
                    stack.stackSize--;
                }
                armor.recalculateHealth(player, stats);
            }
        }
        return stack;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void addInformation (ItemStack stack, EntityPlayer player, List list, boolean par4)
    {
        switch (stack.getItemDamage())
        {
        case 0:
            list.add("Crafting Item");
            break;
        case 1:
            list.add("Crafting Item");
            list.add("Part of low-level Heart Canisters");
            break;
        case 2:
            list.add("Accessory");
            list.add("Permanent health increase");
            break;
        }
    }

}