/// <summary>
/// Updates the screen by writing to the standard output.
/// </summary>
/// <param name="screen">The frame to draw</param>
private void update(TFrame screen)
{
if (!f.IsInvalid)
{
int y, x;
//generate the buffer
for (int i = 0; i < buf.Length; ++i)
{
y = (int)i / Width;
x = i % Width;
buf[i].Attributes = (short)((int)screen.forground[y][x] | (((int)screen.background[y][x]) << 4));
buf[i].Char.UnicodeChar = screen.image[y][x];
}
//push it.
bool b = WriteConsoleOutput(this.f, buf,
new Coord()
{
X = (short)Width, Y = (short)Height
},
new Coord()
{
X = 0, Y = 0
},
ref rect);
frame_Counter++;
}
else
{
Console.SetCursorPosition(0, 0);
Console.WriteLine("Console output handel is invalid");
}
}
/// <summary>
/// Initilises the Virtual screen.
/// </summary>
/// <param name="w">width of the screen</param>
/// <param name="h">height of the screen</param>
public Graphics(int w, int h)
{
// Initilisation=================================
Console.SetWindowSize(w, h);
Console.CursorVisible = false;
currentFrame = new TFrame(w, h);
frameQueue = new Queue <TFrame>();
buf = new CharInfo[w * h];
rect = new SmallRect()
{
Left = 0, Top = 0, Right = (short)w, Bottom = (short)h
};
this.f = CreateFile("CONOUT$", 0x40000000, 2, IntPtr.Zero, FileMode.Open, 0, IntPtr.Zero);
Height = h;
Width = w;
maxQueueLength = 3;
//thread creation================================
ThreadStart fpsth = new ThreadStart(updateFps);
updateFpsThread = new Thread(fpsth);
updateFpsThread.IsBackground = true;
updateFpsThread.Start();
ThreadStart thref = new ThreadStart(FrameUpdater);
updateThread = new Thread(thref);
updateThread.IsBackground = true;
updateThread.Start();
}
/// <summary>
/// Queues up the current frame.
/// </summary>
public void pushFrame()
{
if (frameQueue.Count < maxQueueLength)
{
frameQueue.Enqueue(currentFrame);
currentFrame = new TFrame(Width, Height);
}
Thread.Sleep(FrameTime);
}
internal void Draw(TFrame frame, int x, int y, ConsoleColor alphaKey = ConsoleColor.Black)
{
for (int i = 0; i < frame.image[0].Length; i++)
{
for (int j = 0; j < frame.image.Length; j++)
{
if (frame.image[j][i] != '\0')
{
Draw(frame.image[j][i], frame.forground[j][i], x + i, y + j);
}
if (frame.background[j][i] != alphaKey)
{
DrawBackground(frame.background[j][i], x + i, y + j);
}
}
}
}
