/// <summary>
/// Thread body which performs one game loop step and renders map to buffer.
/// </summary>
private void PerformGameLoopStep(object sender, EventArgs e)
{
// game loop steps per second
double gsps = 10;
// milliseconds per game loop step
double mspgs = 1000.0 / gsps;
// last time game loop step was performed
double lastTime = lastTimeGameLoopStep;
GameViewModel gameView = viewModel;
//current time
double currentTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
// lock game view, perform game loop step and pass task with data context update
if ((currentTime - lastTime) >= mspgs)
{
while (!Monitor.TryEnter(gameView))
{
Thread.Sleep(100);
}
try
{
gameView.GameLoopStep();
} catch (Exception ex)
{
// todo: something
}
bool winner = gameView.GameInstance.IsWinner;
if (gameView.GameInstance.IsWinner)
{
((DispatcherTimer)sender).Stop();
viewModel.AddGameMessage($"Player {gameView.GameInstance.Winner.Name} has won!");
}
lastTimeGameLoopStep = currentTime;
Application.Current.Dispatcher.Invoke(() => {
viewModel = gameView;
DataContext = viewModel;
gameView.NotifyPropertyChanges();
if (winner)
{
OnGameEnded();
}
});
Monitor.Exit(gameView);
}
}
