gzdoom/wadsrc/static/zscript/inventory/inv_misc.txt

class ScoreItem : Inventory
{
	Default
	{
		Height 10;
		+COUNTITEM
		Inventory.Amount 1;
		+Inventory.ALWAYSPICKUP
	}
	
	override bool TryPickup (in out Actor toucher)
	{
		toucher.Score += Amount;
		GoAwayAndDie();
		return true;
	}
}

class Health : Inventory native 
{
	native int PrevHealth;
	native meta int LowHealth;
	native meta String LowHealthMessage;
	
	Default
	{
		Inventory.Amount 1;
		Inventory.MaxAmount 0;
		Inventory.PickupSound "misc/health_pkup";
	}
	
	//===========================================================================
	//
	// AHealth :: PickupMessage
	//
	//===========================================================================
	override String PickupMessage ()
	{
		if (PrevHealth < LowHealth)
		{
			String message = LowHealthMessage;

			if (message.Length() != 0)
			{
				return message;
			}
		}
		return Super.PickupMessage();
	}

	//===========================================================================
	//
	// TryPickup
	//
	//===========================================================================

	override bool TryPickup (in out Actor other)
	{
		PrevHealth = other.player != NULL ? other.player.health : other.health;

		// P_GiveBody adds one new feature, applied only if it is possible to pick up negative health:
		// Negative values are treated as positive percentages, ie Amount -100 means 100% health, ignoring max amount.
		if (other.GiveBody(Amount, MaxAmount))
		{
			GoAwayAndDie();
			return true;
		}
		return false;
	}

	
}

class HealthPickup : Inventory native 
{
	native int autousemode;

	Default
	{
		Inventory.DefMaxAmount;
		+INVENTORY.INVBAR
	}
	
	//===========================================================================
	//
	// CreateCopy
	//
	//===========================================================================

	override Inventory CreateCopy (Actor other)
	{
		Inventory copy = Super.CreateCopy (other);
		copy.health = health;
		return copy;
	}

	//===========================================================================
	//
	// CreateTossable
	//
	//===========================================================================

	override Inventory CreateTossable ()
	{
		Inventory copy = Super.CreateTossable ();
		if (copy != NULL)
		{
			copy.health = health;
		}
		return copy;
	}

	//===========================================================================
	//
	// HandlePickup
	//
	//===========================================================================

	override bool HandlePickup (Inventory item)
	{
		// HealthPickups that are the same type but have different health amounts
		// do not count as the same item.
		if (item.health == health)
		{
			return Super.HandlePickup (item);
		}
		return false;
	}

	//===========================================================================
	//
	// Use
	//
	//===========================================================================

	override bool Use (bool pickup)
	{
		return Owner.GiveBody (health, 0);
	}

	
}

class Key : Inventory native
{
	native uint8 KeyNumber;

	Default
	{
		+DONTGIB;		// Don't disappear due to a crusher
		Inventory.InterHubAmount 0;
		Inventory.PickupSound "misc/k_pkup";
	}
}

class MapRevealer : Inventory
{
	//===========================================================================
	//
	// AMapRevealer . TryPickup
	//
	// A MapRevealer reveals the whole map for the player who picks it up.
	// The MapRevealer doesn't actually go in your inventory. Instead, it sets
	// a flag on the level.
	//
	//===========================================================================

	override bool TryPickup (in out Actor toucher)
	{
		level.allmap = true;
		GoAwayAndDie ();
		return true;
	}
}

class PuzzleItem : Inventory native 
{
	native int PuzzleItemNumber;

	Default
	{
		+NOGRAVITY
		+INVENTORY.INVBAR
		Inventory.DefMaxAmount;
		Inventory.UseSound "PuzzleSuccess";
		Inventory.PickupSound "misc/i_pkup";
	}
}