bow class

import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.init.Items;
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;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.ArrowLooseEvent;
import net.minecraftforge.event.entity.player.ArrowNockEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class blazeBow extends Item
{

    public static final String[] blazebowPullIconNameArray = new String[] {"yesodmod:blazebow_pulling_0", "yesodmod:blazebow_pulling_1", "yesodmod:blazebow_pulling_2"};
    @SideOnly(Side.CLIENT)
    private IIcon[] iconArray;

 public blazeBow()
  {
      super();
    maxStackSize = 1;
    setMaxDamage(500);
    setCreativeTab(CreativeTabs.tabCombat);
    setUnlocalizedName("blazeBow");
  }


  /**
   * returns the action that specifies what animation to play when the items is being used
   */
 public EnumAction getItemUseAction(ItemStack par1)
 {
     return EnumAction.bow;
 }

  @SideOnly(Side.CLIENT)
  public IIcon getItemIconForUseDuration(int par1)
  {
      return this.iconArray[par1];
  }

  @SideOnly(Side.CLIENT)
  public void registerIcons(IIconRegister par1)
  {
      this.itemIcon = par1.registerIcon("yesodmod:" + "blazebow" + "_pulling_0");
      this.iconArray = new IIcon[blazebowPullIconNameArray.length];

      for (int i = 0; i < this.iconArray.length; ++i)
      {
          this.iconArray[i] = par1.registerIcon(blazebowPullIconNameArray[i]);
      }
  }

  /**
   * Metodo per consumare frecce
   * called when the player releases the use item button. Args: itemstack, world, entityplayer, itemInUseCount
   */
  public void onPlayerStoppedUsing(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer, int par4)
  {
      int j = this.getMaxItemUseDuration(par1ItemStack) - par4;

      ArrowLooseEvent event = new ArrowLooseEvent(par3EntityPlayer, par1ItemStack, j);
      MinecraftForge.EVENT_BUS.post(event);
      if (event.isCanceled())
      {
          return;
      }
      j = event.charge;

      boolean flag = par3EntityPlayer.capabilities.isCreativeMode || EnchantmentHelper.getEnchantmentLevel(Enchantment.infinity.effectId, par1ItemStack) > 0;

      //arrow use
      if (flag || par3EntityPlayer.inventory.hasItem(Generic.explosiveArrow) ||par3EntityPlayer.inventory.hasItem(Items.arrow))
      {
          float f = (float)j / 20.0F;
          f = (f * f + f * 2.0F) / 3.0F;

          if ((double)f < 0.1D)
          {
              return;
          }

          if (f > 1.0F)
          {
              f = 1.0F;
          }

          EntityArrow entityarrow = new EntityArrow(par2World, par3EntityPlayer, f * 2.0F);

          if (f == 1.0F)
          {
              entityarrow.setIsCritical(true);
          }

          int k = EnchantmentHelper.getEnchantmentLevel(Enchantment.power.effectId, par1ItemStack);

          if (k > 0)
          {
              entityarrow.setDamage(entityarrow.getDamage() + (double)k * 0.5D + 0.5D);
          }

          int l = EnchantmentHelper.getEnchantmentLevel(Enchantment.punch.effectId, par1ItemStack);

          if (l > 0)
          {
              entityarrow.setKnockbackStrength(l);
          }

          if (EnchantmentHelper.getEnchantmentLevel(Enchantment.flame.effectId, par1ItemStack) > 0)
          {
              entityarrow.setFire(100);
          }

          par1ItemStack.damageItem(1, par3EntityPlayer);
          par2World.playSoundAtEntity(par3EntityPlayer, "random.bow", 1.0F, 1.0F / (itemRand.nextFloat() * 0.4F + 1.2F) + f * 0.5F);

          if (flag)
          {
              entityarrow.canBePickedUp = 2;
          }
          else
          {
              if (par3EntityPlayer.inventory.hasItem(Generic.explosiveArrow)){
              par3EntityPlayer.inventory.consumeInventoryItem(Generic.explosiveArrow);
              }
              else
              {par3EntityPlayer.inventory.consumeInventoryItem(Items.arrow);
              }

          }

          if (!par2World.isRemote)
          {
              if (par3EntityPlayer.inventory.hasItem(Generic.explosiveArrow))
              {
          par2World.spawnEntityInWorld(new entityExplosiveArrow(par2World, par3EntityPlayer));
              }
              else {
              par2World.spawnEntityInWorld(entityarrow);
              }
          }
      }
        }

  public ItemStack onEaten(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
  {
      return par1ItemStack;
  }

  /**
   * Metodo per sparare tenendo premuto il destro.
   */

  public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
  {
      ArrowNockEvent event = new ArrowNockEvent(par3EntityPlayer, par1ItemStack);
      MinecraftForge.EVENT_BUS.post(event);
      if (event.isCanceled())
      {
          return event.result;
      }

      if (par3EntityPlayer.capabilities.isCreativeMode ||par3EntityPlayer.inventory.hasItem(Generic.explosiveArrow) ||par3EntityPlayer.inventory.hasItem(Items.arrow))
      {
          par3EntityPlayer.setItemInUse(par1ItemStack, this.getMaxItemUseDuration(par1ItemStack));
      }

      return par1ItemStack;
  }

  /**
   * How long it takes to use or consume an item
   */
  public int getMaxItemUseDuration(ItemStack par1ItemStack)
  {
      return 72000;
  }

}