qzdoom/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 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";
	}
}