/// <summary>
/// Changes the screen object with any changes from the register.
/// </summary>
/// <returns>The current screen</returns>
public Screen Render()
{
//Console.Clear();
var itemsToRender = _currentRegister.GetChangedItems(); // Gets a list of items that have changed since last render.
var deletedItems = _currentRegister.GetDeletedItems();
foreach (var item in itemsToRender) // Go through each changed item
{
_screen.AddToScreen(new int[] { (int)Math.Floor(item.PreviousLocation()[0]), (int)Math.Floor(item.PreviousLocation()[1]) }, item.ItemPixels(true)); // Clear where the item used to be.
_screen.AddToScreen(new int[] { (int)Math.Floor(item.StartingLocation()[0]), (int)Math.Floor(item.StartingLocation()[1]) }, item.ItemPixels()); // Draw the item in the new position
}
foreach (var item in deletedItems)
{
_screen.AddToScreen(new int[] { (int)Math.Floor(item.StartingLocation()[0]), (int)Math.Floor(item.StartingLocation()[1]) }, item.ItemPixels(true)); // Clear where the item used to be.
}
return(_screen); // Return the new screen object
}