public void Render(GameState gameState)
{
var screen = gameState.CurrentScreen;
var newImage = new RenderedImage(gameState.LastImage);
foreach (var viewport in screen.Viewports)
{
var offsetX = viewport.AtomToTrack.Position.X - viewport.Area.Width / 2;
var offsetY = viewport.AtomToTrack.Position.Y - viewport.Area.Height / 2;
for (int i = 0; i < viewport.Area.Height; i++)
{
var newLine = GenerateLine(viewport.Area.Width);
for (int j = 0; j < viewport.Area.Width; j++)
{
ColouredChar?thisChar = null;
foreach (var atom in gameState.CurrentLevel.GetAtoms(j + offsetX, i + offsetY))
{
thisChar = atom.Tile;
}
if (thisChar != null)
{
newLine[j] = thisChar.Value;
}
}
newImage.Inject(newLine, viewport.Area.X, viewport.Area.Y + i);
}
}
var renderRect = new Rectangle(new Point(0, 0), gameState.WindowSize);
foreach (var displayField in screen.DisplayFields)
{
var value = displayField.GetValue();
var lastX = Math.Min(displayField.X + value.Length, gameState.WindowSize.Width);
if (renderRect.Intersect(displayField.X, displayField.Y))
{
newImage.Inject(value.ToColouredCharArray(), displayField.X, displayField.Y);
}
}
_outputter.Output(newImage, gameState.LastImage);
gameState.LastImage = newImage;
}
public RenderedImage(RenderedImage lastImage)
{
Size = lastImage.Size;
_image = new ColouredChar[Size.Width * Size.Height];
lastImage._image.CopyTo(_image);
}