public CommandVoidResult DoomFireAlgo(
CommandEvaluationContext context,
[Option("w", "width", "width in characters", true, true)] int width = 100,
[Option("h", "height", "height in characters", true, true)] int height = 40,
[Option("d", "decay-delta", "decay delta", true, true)] int decayDelta = 3,
[Option("g", "gray", "gray mode - no colors")] bool gray = false,
[Option("s", "slow", "0 max speed - pause time between images in ms", true, true)] int slow = 0,
[Option("t", "no-text", "do not add text info above anim")] bool noText = false,
[Option(null, "color-palette", "color palette. 36 symbols separated by " + PalettePatternSeparator, true, true)] string firePattern = DefaultFirePattern
)
{
// remove directives to speed up (TODO: the directives lead to stack overflow in this case)
firePattern = firePattern.ToLower();
var firePallete = firePattern.Split(PalettePatternSeparator);
var sb = new StringBuilder(width * height * 20);
if (!gray)
{
// add colors
var n = firePallete.Length;
var stp = 256 / n;
int r = 0;
int g = 0;
int b = 0;
for (int i = 0; i < firePallete.Length; i++)
{
firePallete[i] = ANSI.SGR_SetForegroundColor24bits(r, g, b) + firePallete[i];
r += stp;
if (r > 100)
{
g += stp;
}
}
}
var o = context.Out;
o.Echo("pixelPalete.Length=" + firePallete.Length);
var pixels = width * height;
var pixelsArray = new int[pixels];
var random = new Random();
void createPixelsStructure()
{
for (var i = 0; i < pixels; i++)
{
pixelsArray[i] = 0;
}
};
void calculatePropagation()
{
for (var column = 0; column < width; column++)
{
for (var row = 0; row < height; row++)
{
var index = column + (width * row);
updatePixelIntensity(index);
}
}
};
void updatePixelIntensity(int index)
{
var belowIndex = index + width;
if (belowIndex < width * height)
{
var decay = (int)Math.Floor(random.NextDouble() * decayDelta);
var belowIntensity = pixelsArray[belowIndex];
var newIntensity = belowIntensity - decay;
if (index - decay > 0)
{
pixelsArray[index - decay] = newIntensity > 0 ? newIntensity : 0;
}
}
};
void createSource()
{
for (var column = 0; column < width; column++)
{
var overflowPixel = width * height;
var index = (overflowPixel - width) + column;
pixelsArray[index] = firePallete.Length - 1;
}
};
void render()
{
sb.Clear();
sb.Append(ANSI.CUP());
for (var row = 0; row < height; row++)
{
for (var column = 0; column < width; column++)
{
var index = column + (width * row);
var intensity = pixelsArray[index];
sb.Append(firePallete[intensity]);
}
sb.AppendLine();
}
o.ConsolePrint(sb.ToString()); // fast print
};
void start()
{
o.ClearScreen();
try { o.HideCur(); } catch (Exception ex) { o.Errorln(ex.Message); }
createPixelsStructure();
createSource();
}
start();
var end = false;
while (!end)
{
var sw0 = Stopwatch.StartNew();
calculatePropagation();
sw0.Stop();
var sw1 = Stopwatch.StartNew();
render();
sw1.Stop();
if (!noText)
{
o.Echoln($"(rdc)Doom fire algo - {Math.Round(1d / (sw0.ElapsedMilliseconds+sw1.ElapsedMilliseconds) * 1000,2)} fps");
}
//end = context.CommandLineProcessor.CancellationTokenSource.IsCancellationRequested;
end = context.CommandLineProcessor.IsCancellationRequested;
if (slow > 0)
{
Thread.Sleep(slow);
}
}
o.ShowCur();
return(CommandVoidResult.Instance);
}
public CommandVoidResult Run(
[Option("w", "width", "width in characters", true, true)] int width = 100,
[Option("h", "height", "height in characters", true, true)] int height = 40,
[Option("d", "decay-delta", "decay delta", true, true)] int decayDelta = 3,
[Option("g", "gray", "gray mode - no colors")] bool gray = false,
[Option("s", "slow", "0 max speed - pause time between images in ms", true, true)] int slow = 0,
[Option("t", "no-text", "do not add text info above anim")] bool noText = false,
[Option(null, "color-palette", "color palette. 36 symbols separated by " + PalettePatternSeparator, true, true)] string firePattern = DefaultFirePattern
)
{
firePattern = firePattern.ToLower();
var firePallete = firePattern.Split(PalettePatternSeparator);
var sb = new StringBuilder(width * height * 20);
if (!gray)
{
// add colors
var n = firePallete.Length;
var stp = 256 / n;
int r = 0;
int g = 0;
int b = 0;
for (int i = 0; i < firePallete.Length; i++)
{
firePallete[i] = ANSI.SGR_SetForegroundColor24bits(r, g, b) + firePallete[i];
r += stp;
if (r > 100) g += stp;
}
}
var o = new ConsoleTextWriterWrapper(System.Console.Out);
var pixels = width * height;
var pixelsArray = new int[pixels];
var random = new Random();
void createPixelsStructure()
{
for (var i = 0; i < pixels; i++)
pixelsArray[i] = 0;
};
void calculatePropagation()
{
for (var column = 0; column < width; column++)
{
for (var row = 0; row < height; row++)
{
var index = column + (width * row);
updatePixelIntensity(index);
}
}
};
void updatePixelIntensity(int index)
{
var belowIndex = index + width;
if (belowIndex < width * height)
{
var decay = (int)Math.Floor(random.NextDouble() * decayDelta);
var belowIntensity = pixelsArray[belowIndex];
var newIntensity = belowIntensity - decay;
if (index - decay > 0)
pixelsArray[index - decay] = newIntensity > 0 ? newIntensity : 0;
}
};
void createSource()
{
for (var column = 0; column < width; column++)
{
var overflowPixel = width * height;
var index = (overflowPixel - width) + column;
pixelsArray[index] = firePallete.Length - 1;
}
};
void render()
{
sb.Clear();
sb.Append(ANSI.CUP());
try { o.HideCur(); } catch (Exception) { }
for (var row = 0; row < height; row++)
{
for (var column = 0; column < width; column++)
{
var index = column + (width * row);
var intensity = pixelsArray[index];
sb.Append(firePallete[intensity]);
}
sb.AppendLine();
}
o.WriteAsync(sb.ToString());
};
void start()
{
o.ClearScreen();
try { o.HideCur(); } catch (Exception) { }
createPixelsStructure();
createSource();
}
start();
var end = false;
System.Console.CancelKeyPress += (o, e) => {
System.Environment.Exit(0);
};
while (!end)
{
var sw0 = Stopwatch.StartNew();
calculatePropagation();
sw0.Stop();
var sw1 = Stopwatch.StartNew();
render();
sw1.Stop();
if (!noText) o.Echoln($"(rdc)Doom fire algo - {Math.Round(1d / (sw0.ElapsedMilliseconds + sw1.ElapsedMilliseconds) * 1000, 2)} fps");
if (slow > 0) Thread.Sleep(slow);
}
try { o.ShowCur(); } catch (Exception) { };
return CommandVoidResult.Instance;
}