ItemSyringe.java

package minefantasy.mf2.item.gadget;

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;

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 minefantasy.mf2.item.list.ToolListMF;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.attributes.AttributeModifier;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemPotion;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.PotionEffect;
import net.minecraft.potion.PotionHelper;
import net.minecraft.util.IIcon;
import net.minecraft.util.StatCollector;
import net.minecraft.world.World;

public class ItemSyringe extends ItemPotion
{
    public ItemSyringe()
    {
    	super();
    	this.setMaxStackSize(16);
    	String name = "syringe";
        this.setCreativeTab(CreativeTabMF.tabGadget);
        setTextureName("minefantasy2:Other/"+name);
		GameRegistry.registerItem(this, name, MineFantasyII.MODID);
		this.setUnlocalizedName(name);
    }
    
    @Override
	public Multimap getAttributeModifiers(ItemStack item)
	{
		Multimap map = HashMultimap.create();
		map.put(SharedMonsterAttributes.attackDamage.getAttributeUnlocalizedName(), new AttributeModifier(field_111210_e, "Weapon modifier", 0, 0));
	
	    return map;
	}
    @Override
    public boolean hitEntity(ItemStack item, EntityLivingBase target, EntityLivingBase user)
    {
    	World world = user.worldObj;
    	
    	target.playSound("random.drink", 1.0F, 2.0F);
    	target.playSound("minefantasy2:weapon.hit.blade.metal", 1.0F, 1.5F);
        if (!world.isRemote)
        {
            apply(target, item);
        }

        if (user instanceof EntityPlayer && !((EntityPlayer)user).capabilities.isCreativeMode)
        {
            --item.stackSize;
        	
            if (item.stackSize <= 0)
            {
                user.setCurrentItemOrArmor(0, new ItemStack(ToolListMF.syringe_empty));
            }
            else
            {
            	if(!((EntityPlayer)user).inventory.addItemStackToInventory(new ItemStack(ToolListMF.syringe_empty)))
            	{
            		user.entityDropItem(new ItemStack(ToolListMF.syringe_empty), 0F);
            	}
            }
        }
        
        return true;
    }
    
    @Override
    public ItemStack onItemRightClick(ItemStack item, World world, EntityPlayer user)
    {
    	if(user.isSwingInProgress)
    	{
    		return item;
    	}
    	user.swingItem();
    	
    	 if (!user.capabilities.isCreativeMode)
         {
             --item.stackSize;
         }
    	 
    	 user.playSound("random.drink", 1.0F, 2.0F);
    	 user.playSound("minefantasy2:weapon.hit.blade.metal", 1.0F, 1.5F);
         if (!world.isRemote)
         {
             apply(user, item);
         }

         if (!user.capabilities.isCreativeMode)
         {
             if (item.stackSize <= 0)
             {
                 return new ItemStack(ToolListMF.syringe_empty);
             }
             
             if(!user.inventory.addItemStackToInventory(new ItemStack(ToolListMF.syringe_empty)))
         	 {
         		 user.entityDropItem(new ItemStack(ToolListMF.syringe_empty), 0F);
         	 }
         }
         
    	return item;
    }
    private void apply(EntityLivingBase target, ItemStack item) 
    {
    	List list = this.getEffects(item);

        if (list != null)
        {
            Iterator iterator = list.iterator();

            while (iterator.hasNext())
            {
                PotionEffect potioneffect = (PotionEffect)iterator.next();
                target.addPotionEffect(new PotionEffect(potioneffect));
            }
        }
	}
	private IIcon icon, fill;
    @Override
    @SideOnly(Side.CLIENT)
    public void registerIcons(IIconRegister reg)
    {
        this.icon = reg.registerIcon(this.getIconString());
        this.fill = reg.registerIcon(this.getIconString() + "_" + "fill");
    }
    
    @Override
    @SideOnly(Side.CLIENT)
    public IIcon getIconFromDamage(int p_77617_1_)
    {
        return icon;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public IIcon getIconFromDamageForRenderPass(int p_77618_1_, int p_77618_2_)
    {
        return p_77618_2_ == 0 ? fill : super.getIconFromDamageForRenderPass(p_77618_1_, p_77618_2_);
    }
    
    @Override
    public String getItemStackDisplayName(ItemStack item)
    {
        if (item.getItemDamage() == 0)
        {
            return StatCollector.translateToLocal("item.syringe_empty.name");
        }
        else
        {
            String s = "";

            List list = Items.potionitem.getEffects(item);
            String s1;

            if (list != null && !list.isEmpty())
            {
                s1 = ((PotionEffect)list.get(0)).getEffectName();
                s1 = s1 + ".postfix";
                return s + StatCollector.translateToLocal(s1).trim();
            }
            else
            {
                s1 = PotionHelper.func_77905_c(item.getItemDamage());
                return StatCollector.translateToLocal(s1).trim() + " " + super.getItemStackDisplayName(item);
            }
        }
    }
    private static final Map potionMap = new LinkedHashMap();
    @Override
    @SideOnly(Side.CLIENT)
    public void getSubItems(Item item, CreativeTabs tab, List list)
    {
        int sub;

        if (potionMap.isEmpty())
        {
            for (int i = 0; i <= 15; ++i)
            {
                for (sub = 0; sub <= 0; ++sub)
                {
                    int k;

                    if (sub == 0)
                    {
                        k = i | 8192;
                    }
                    else
                    {
                        k = i | 16384;
                    }

                    for (int l = 0; l <= 2; ++l)
                    {
                        int i1 = k;

                        if (l != 0)
                        {
                            if (l == 1)
                            {
                                i1 = k | 32;
                            }
                            else if (l == 2)
                            {
                                i1 = k | 64;
                            }
                        }

                        List list1 = PotionHelper.getPotionEffects(i1, false);

                        if (list1 != null && !list1.isEmpty() && !ItemPotion.isSplash(i1))
                        {
                            potionMap.put(list1, Integer.valueOf(i1));
                        }
                    }
                }
            }
        }

        Iterator iterator = potionMap.values().iterator();

        while (iterator.hasNext())
        {
            sub = ((Integer)iterator.next()).intValue();
            list.add(new ItemStack(item, 1, sub));
        }
    }
}