text: 
  // ItemThrowable.h
  
  // Declares the itemhandlers for throwable items: eggs, snowballs and ender pearls
  
  
  
  
  
  #pragma once
  
  
  
  
  
  class cItemThrowableHandler :
  	public cItemHandler
  {
  	typedef cItemHandler super;
  public:
  	cItemThrowableHandler(int a_ItemType, cProjectileEntity::eKind a_ProjectileKind, double a_SpeedCoeff) :
  		super(a_ItemType),
  		m_ProjectileKind(a_ProjectileKind),
  		m_SpeedCoeff(a_SpeedCoeff)
  	{
  	}
  	
  
  	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
  	{
  		Vector3d Pos = a_Player->GetThrowStartPos();
  		Vector3d Speed = a_Player->GetLookVector() * m_SpeedCoeff;
  
  		if (a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, m_ProjectileKind, a_Player, a_Player->GetEquippedItem(), &Speed) < 0)
  		{
  			return false;
  		}
  
  		if (!a_Player->IsGameModeCreative())
  		{
  			a_Player->GetInventory().RemoveOneEquippedItem();
  		}
  
  		return true;
  	}
  	
  protected:
  	cProjectileEntity::eKind m_ProjectileKind;
  	double m_SpeedCoeff;
  } ;
  
  
  
  
  
  class cItemEggHandler :
  	public cItemThrowableHandler
  {
  	typedef cItemThrowableHandler super;
  public:
  	cItemEggHandler(void) :
  		super(E_ITEM_EGG, cProjectileEntity::pkEgg, 30)
  	{
  	}
  } ;
  
  
  
  
  class cItemSnowballHandler :
  	public cItemThrowableHandler
  {
  	typedef cItemThrowableHandler super;
  	
  public:
  	cItemSnowballHandler(void) :
  		super(E_ITEM_SNOWBALL, cProjectileEntity::pkSnowball, 30)
  	{
  	}
  } ;
  
  
  
  
  
  class cItemEnderPearlHandler :
  	public cItemThrowableHandler
  {
  	typedef cItemThrowableHandler super;
  	
  public:
  	cItemEnderPearlHandler(void) :
  		super(E_ITEM_ENDER_PEARL, cProjectileEntity::pkEnderPearl, 30)
  	{
  	}
  } ;
  
  
  
  
  
  class cItemBottleOEnchantingHandler :
  	public cItemThrowableHandler
  {
  	typedef cItemThrowableHandler super;
  public:
  	cItemBottleOEnchantingHandler(void) :
  		super(E_ITEM_BOTTLE_O_ENCHANTING, cProjectileEntity::pkExpBottle, 10)
  	{
  	}
  };
  
  
  
  
  
  class cItemFireworkHandler :
  	public cItemThrowableHandler
  {
  	typedef cItemThrowableHandler super;
  public:
  	cItemFireworkHandler(void) :
  		super(E_ITEM_FIREWORK_ROCKET, cProjectileEntity::pkFirework, 0)
  	{
  	}
  
  	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
  	{
  		if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_AIR)
  		{
  			return false;
  		}
  
  		if (a_World->CreateProjectile(a_BlockX + 0.5, a_BlockY + 1, a_BlockZ + 0.5, m_ProjectileKind, a_Player, a_Player->GetEquippedItem()) < 0)
  		{
  			return false;
  		}
  
  		if (!a_Player->IsGameModeCreative())
  		{
  			a_Player->GetInventory().RemoveOneEquippedItem();
  		}
  
  		return true;
  	}
  
  };
  