Method scrollToSlot

src/interface/interface.cpp:21047–21096

}

void GenericGUIMenu::AlchemyGUI_t::AlchemyRecipes_t::scrollToSlot(int x, int y, bool instantly)
{
	int lowerY = currentScrollRow;
	int upperY = currentScrollRow + getNumRecipesToDisplayVertical() - 1;

	if ( y >= lowerY && y <= upperY )
	{
		// no work to do.
		return;
	}
	int player = alchemy.parentGUI.getPlayer();
	int lowestItemY = getNumRecipesToDisplayVertical() - 1;
	const int slotSize = players[player]->inventoryUI.getSlotSize();
	if ( !recipeList.empty() )
	{
		for ( auto it = recipeList.rbegin(); it != recipeList.rend(); ++it )
		{
			if ( !hideRecipeFromList((*it).resultItem.type) )
			{
				lowestItemY = std::max(lowestItemY, (*it).y);
				break;
			}
		}
	}
	int maxScroll = std::max((lowestItemY + 1) - (getNumRecipesToDisplayVertical()), 0) * slotSize;

	int scrollAmount = 0;
	if ( y < lowerY )
	{
		scrollAmount = (y) * slotSize;
		//scrollAmount += scrollSetpoint;
	}
	else if ( y > upperY )
	{
		scrollAmount = (y - upperY) * slotSize;
		scrollAmount += scrollSetpoint;
	}
	scrollAmount = std::min(scrollAmount, maxScroll);

	scrollSetpoint = scrollAmount;
	if ( instantly )
	{
		scrollAnimateX = scrollSetpoint;
	}
	currentScrollRow = scrollSetpoint / slotSize;
	if ( abs(scrollSetpoint - scrollAnimateX) > 0.00001 )
	{
		isInteractable = false;
	}
}

bool GenericGUIMenu::AlchemyGUI_t::AlchemyRecipes_t::isSlotVisible(int x, int y) const
{