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MainWindow.xaml.cs
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MainWindow.xaml.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.PerformanceData;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
namespace GameOfLife
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
private const int FieldHeight = 50;
private const int FieldWidth = 50;
const double CellWidth = 7;
const double CellHeight = 7;
private Random _random;
private VisualCell[,] _cells;
public MainWindow()
{
InitializeComponent();
Loaded += MainWindow_Loaded;
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
InitCells(3);
}
private void AddToCanvas(Rectangle rect, int i, int j)
{
rect.Width = CellWidth;
rect.Height = CellHeight;
rect.Stroke = Brushes.Black;
rect.StrokeThickness = 0.5;
Canvas.SetLeft(rect, CellWidth * j);
Canvas.SetTop(rect, CellHeight * i);
LiveCanvas.Children.Add(rect);
}
private void InitCells(int liveDensity)
{
_cells = new VisualCell[FieldHeight, FieldWidth];
_random = new Random(DateTime.Now.Millisecond);
// Init array of cells
for (int i = 0; i < _cells.GetLength(0); i++)
{
for (int j = 0; j < _cells.GetLength(1); j++)
{
_cells[i, j] = new VisualCell(_random.Next() % liveDensity == 0 ? CellState.Dead : CellState.Alive);
// Add cell's rectangle to canvas
AddToCanvas(_cells[i, j].Rectangle, i, j);
}
}
// Count neightbours and add references
for (int i = 0; i < _cells.GetLength(0); i++)
{
for (int j = 0; j < _cells.GetLength(1); j++)
{
var cell = _cells[i, j];
if (i > 0)
{
cell.Neightbours.Add(_cells[i - 1, j]);
if (j > 0)
cell.Neightbours.Add(_cells[i - 1, j - 1]);
if (j < _cells.GetLength(1) - 1)
cell.Neightbours.Add(_cells[i - 1, j + 1]);
}
if (j > 0)
{
cell.Neightbours.Add(_cells[i, j - 1]);
}
if (j < _cells.GetLength(1) - 1)
{
cell.Neightbours.Add(_cells[i, j + 1]);
}
if (i < _cells.GetLength(0) - 1)
{
cell.Neightbours.Add(_cells[i + 1, j]);
if (j > 0)
cell.Neightbours.Add(_cells[i + 1, j - 1]);
if (j < _cells.GetLength(1) - 1)
cell.Neightbours.Add(_cells[i + 1, j + 1]);
}
}
}
}
private void ReinitButton_Click(object sender, RoutedEventArgs e)
{
InitCells(2);
}
private void NextRoundButton_Click(object sender, RoutedEventArgs e)
{
NextRound();
}
private void NextRound(AutoResetEvent redrawComplete = null)
{
Parallel.ForEach(_cells.ToEnumerable<Cell>(), (c) => c.TakeTurn());
try
{
Dispatcher.Invoke(() =>
{
foreach (var cell in _cells)
{
cell.NextRound();
}
redrawComplete?.Set();
}, DispatcherPriority.ApplicationIdle);
}
catch (TaskCanceledException exception)
{
Trace.WriteLine("Rude shutdown");
}
}
Thread AutoThread;
private void AUtoButton_Click(object sender, RoutedEventArgs e)
{
if (AutoThread == null)
{
AutoThread = new Thread(AutoRoutine) { IsBackground = true };
AutoThread.Start();
}
else
{
AutoThread.Abort();
AutoThread = null;
}
}
private void AutoRoutine()
{
AutoResetEvent redrawComplete = new AutoResetEvent(false);
while (true)
{
NextRound(redrawComplete);
redrawComplete.WaitOne();
Thread.Sleep(50);
}
}
}
public static class ArrayExtensions
{
public static IEnumerable<T> ToEnumerable<T>(this Array target)
{
foreach (var item in target)
yield return (T)item;
}
}
}