001    package net.minecraft.item;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import java.util.ArrayList;
006    import java.util.List;
007    import net.minecraft.entity.item.EntityFireworkRocket;
008    import net.minecraft.entity.player.EntityPlayer;
009    import net.minecraft.nbt.NBTTagCompound;
010    import net.minecraft.nbt.NBTTagList;
011    import net.minecraft.util.StatCollector;
012    import net.minecraft.world.World;
013    
014    public class ItemFirework extends Item
015    {
016        public ItemFirework(int par1)
017        {
018            super(par1);
019        }
020    
021        /**
022         * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
023         * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
024         */
025        public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
026        {
027            if (!par3World.isRemote)
028            {
029                EntityFireworkRocket var11 = new EntityFireworkRocket(par3World, (double)((float)par4 + par8), (double)((float)par5 + par9), (double)((float)par6 + par10), par1ItemStack);
030                par3World.spawnEntityInWorld(var11);
031    
032                if (!par2EntityPlayer.capabilities.isCreativeMode)
033                {
034                    --par1ItemStack.stackSize;
035                }
036    
037                return true;
038            }
039            else
040            {
041                return false;
042            }
043        }
044    
045        @SideOnly(Side.CLIENT)
046    
047        /**
048         * allows items to add custom lines of information to the mouseover description
049         */
050        public void addInformation(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, List par3List, boolean par4)
051        {
052            if (par1ItemStack.hasTagCompound())
053            {
054                NBTTagCompound var5 = par1ItemStack.getTagCompound().getCompoundTag("Fireworks");
055    
056                if (var5 != null)
057                {
058                    if (var5.hasKey("Flight"))
059                    {
060                        par3List.add(StatCollector.translateToLocal("item.fireworks.flight") + " " + var5.getByte("Flight"));
061                    }
062    
063                    NBTTagList var6 = var5.getTagList("Explosions");
064    
065                    if (var6 != null && var6.tagCount() > 0)
066                    {
067                        for (int var7 = 0; var7 < var6.tagCount(); ++var7)
068                        {
069                            NBTTagCompound var8 = (NBTTagCompound)var6.tagAt(var7);
070                            ArrayList var9 = new ArrayList();
071                            ItemFireworkCharge.func_92107_a(var8, var9);
072    
073                            if (var9.size() > 0)
074                            {
075                                for (int var10 = 1; var10 < var9.size(); ++var10)
076                                {
077                                    var9.set(var10, "  " + (String)var9.get(var10));
078                                }
079    
080                                par3List.addAll(var9);
081                            }
082                        }
083                    }
084                }
085            }
086        }
087    }