/// <summary>
/// Updates this text within it's terminal and returns a delta change size
/// </summary>
public int Update()
{
if (Disposed == 1)
{
return(0);
}
bool bUpdatedPos = false;
if (0 != (Dirt & EDirtFlags.Position))
{
/*if (Owner.TryGetTarget(out VirtualScreen Screen))
* {
* Position = new CursorPos(Screen.CursorLeft, Screen.CursorTop);
* bUpdatedPos = true;
* Dirt &= ~EDirtFlags.Position;
* }*/
Position = new CursorPos(Terminal.CursorLeft, Terminal.CursorTop);
bUpdatedPos = true;
Dirt &= ~EDirtFlags.Position;
}
if (bUpdatedPos)
{
Terminal.Push_Cursor();
Terminal.Set_Cursor(Position.X, Position.Y);
}
if (0 != (Dirt & EDirtFlags.Text) || bUpdatedPos)
{
/* Figure out which parts we need to reprint */
var Commands = DiffEngine.Compile_Transformations(DisplayText, Buffer);
foreach (TextChunk Command in Commands)
{
/* Translate the commands position (which is relative the this object position) into actual screen buffer coordinates */
var X = Position.X + Command.Offset;
Terminal.Set_Cursor(X % Terminal.Width, Position.Y + (X / Terminal.Width));
Terminal.Output(Command.Text);
}
//ANSI.Write(Buffer.AsMemory());
DisplayText = new string(Buffer.AsMemory().ToArray());
Dirt &= ~EDirtFlags.Text;
}
if (bUpdatedPos)
{
Terminal.Pop_Cursor();
}
return(0);
}
public void Set_Position(CursorPos pos)
{
Position = pos;
Dirt |= EDirtFlags.Position;
ChangeCallback?.Invoke(this);
}