/// <summary>
/// Fired when the simulation is closing and needs to clear out any data structures that it created so the program can
/// exit cleanly.
/// </summary>
public virtual void Destroy()
{
// Set flag that we are closing now so we can ignore ticks during shutdown.
IsClosing = true;
// Allows game simulation above us to cleanup any data structures it cares about.
OnPreDestroy();
// Remove simulation presentation variables.
_lastTickTime = DateTime.MinValue;
_currentTickTime = DateTime.MinValue;
TotalSecondsTicked = 0;
_spinningPixel = null;
TickPhase = string.Empty;
// Remove simulation core modules.
Random = null;
WindowManager = null;
SceneGraph = null;
InputManager = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="T:TrailGame.SimulationApp" /> class.
/// </summary>
protected SimulationApp()
{
// We are not closing...
IsClosing = false;
// Date and time the simulation was started, which we use as benchmark for all future time passed.
_lastTickTime = DateTime.UtcNow;
_currentTickTime = DateTime.UtcNow;
// Visual tick representations for other sub-systems.
TotalSecondsTicked = 0;
// Setup spinning pixel to show game is not thread locked.
_spinningPixel = new SpinningPixel();
TickPhase = _spinningPixel.Step();
// Create modules needed for managing simulation.
Random = new Randomizer();
WindowManager = new WindowManager(this);
SceneGraph = new SceneGraph(this);
// Input manager needs event hook for knowing when buffer is sent.
InputManager = new InputManager(this);
}
