public static bool TryParse(string ins, out LightCoord?coord)
{
coord = null;
if (ins == null)
{
return(false);
}
var nums = ins.Trim().TrimStart('(').TrimEnd(')').Split(',');
if (nums == null || nums?.Length != 2)
{
return(false);
}
if (!int.TryParse(nums[0], out var x) || !int.TryParse(nums[1], out var y))
{
return(false);
}
coord = new LightCoord(x, y);
return(true);
}
static async Task Main(string[] args)
{
try
{
var builder = new ConfigurationBuilder();
builder.AddCommandLine(args);
var commandLine = builder.Build();
//How many lights are on the strip.
var lightCountS = commandLine["light_count"];
if (string.IsNullOrWhiteSpace(lightCountS) || !int.TryParse(lightCountS, out var lightCount) || lightCount < 0)
{
Console.WriteLine("invalid light count");
Console.ReadLine();
return;
}
//The light in sequence that is at the top left of the rectangle.
var lightStartS = commandLine["light_start"];
if (string.IsNullOrWhiteSpace(lightStartS) || !int.TryParse(lightStartS, out var lightStart) || lightStart < 0 || lightStart > lightCount)
{
Console.WriteLine("invalid light start");
Console.ReadLine();
return;
}
//The bottom right coordinate of the lights.
//This is to get the width and height so we can circle around the light strip to get all the lights coordinates.
//(29,16.31) is 16:9 for 90 lights
var bottomRightS = commandLine["bottom_right"];
if (string.IsNullOrWhiteSpace(bottomRightS) || !LightCoord.TryParse(bottomRightS, out var bottomRight) || bottomRight == null)
{
Console.WriteLine("invalid bottom right coordinate");
Console.ReadLine();
return;
}
//Pushes in the coordinates of the lights by an amount so they are not sampling the very edge of the screen.
var borderDecrease = 1.0f;
var borderInS = commandLine["border_decrease"];
if (!string.IsNullOrWhiteSpace(borderInS) && (!float.TryParse(borderInS, out borderDecrease) || borderDecrease <= 0.0f || borderDecrease > 1.0f))
{
Console.WriteLine("invalid border decrease");
Console.ReadLine();
return;
}
//Depending on which way the light strip is run the x coordinates may need to be flipped.
var flipX = false;
var flipXInS = commandLine["flipx"];
if (!string.IsNullOrWhiteSpace(flipXInS) && (!bool.TryParse(flipXInS, out flipX)))
{
Console.WriteLine("invalid flip x");
Console.ReadLine();
return;
}
//Depending on which way the light strip is run the y coordinates may need to be flipped.
var flipY = false;
var flipYInS = commandLine["flipy"];
if (!string.IsNullOrWhiteSpace(flipYInS) && (!bool.TryParse(flipYInS, out flipY)))
{
Console.WriteLine("invalid flip y");
Console.ReadLine();
return;
}
borderDecrease = (1.0f - borderDecrease) + 1.0f;
var rect = Rectangle.FromLTRB(0, 0, bottomRight.Value.X, bottomRight.Value.Y);
var bigRect = Rectangle.FromLTRB(0, 0, (int)Math.Floor(bottomRight.Value.X * borderDecrease), (int)Math.Floor(bottomRight.Value.Y * borderDecrease));
var dictInt = new Dictionary <int, LightCoord>();
var dictFloat = new Dictionary <int, LightCoordF>();
//This circles around the edge of the rectangle counting the start light as 0,0 then filling the coordinates for each light until we hit the light count.
// Then it goes back to light 0 and keeps filling.
var lightIter = lightStart;
//Top
for (var x = 0; x < rect.Width; x++)
{
dictInt.Add(lightIter, new LightCoord(x, 0));
//doSomethingWith(x, 0)
if (++lightIter > lightCount - 1)
{
lightIter = 0;
}
}
//Right
for (var y = 0; y < rect.Height; y++)
{
dictInt.Add(lightIter, new LightCoord(rect.Width, y));
//doSomethingWith(0, y)
if (++lightIter > lightCount - 1)
{
lightIter = 0;
}
}
//Bottom
for (var x = rect.Width; x > 0; x--)
{
dictInt.Add(lightIter, new LightCoord(x, rect.Height));
//doSomethingWith(x, smallRect.height)
if (++lightIter > lightCount - 1)
{
lightIter = 0;
}
}
//Left
for (var y = rect.Height; y > 0; y--)
{
dictInt.Add(lightIter, new LightCoord(0, y));
//doSomethingWith(smallRect.width, y)
if (++lightIter > lightCount - 1)
{
lightIter = 0;
}
}
//We need to center the reduced size rect in the full rect.
var xDif = (bigRect.Width - rect.Width) / 2.0f;
var yDif = (bigRect.Height - rect.Height) / 2.0f;
for (var i = 0; i < lightCount; ++i)
{
float x = dictInt[i].X + xDif;
float y = dictInt[i].Y + yDif;
x /= bigRect.Width;
y /= bigRect.Height;
if (flipX)
{
x = 1.0f - x;
}
if (flipY)
{
y = 1.0f - y;
}
dictFloat.Add(i, new LightCoordF(x, y));
}
if (File.Exists("lightlist.json"))
{
File.Delete("lightlist.json");
}
using var fileOut = File.OpenWrite("lightlist.json");
var list = dictFloat.OrderBy(x => x.Key).Select(x => x.Value).ToList();
await JsonSerializer.SerializeAsync(fileOut, list, new JsonSerializerOptions()
{
WriteIndented = true
});
fileOut.Close();
Console.WriteLine($"List written to {Path.GetFullPath("lightlist.json")}");
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine(ex);
Console.ReadLine();
}
}
