public void Tick()
{
if (Engine == null)
{
return;
}
if (_commands.Count > 0)
{
_logger.Info("Executing tick with {0} commands.", _commands.Count);
}
var input = new EngineTickInput(_commands);
_commands.Clear();
var tick = Engine.Tick(input);
tick.Start();
tick.Wait();
Engine.Synchronize();
foreach (var resultEvent in tick.Result.Events)
{
EngineEvent?.Invoke(this, new GameEngineEventArgs(resultEvent, Engine));
}
}
// method
public void Accelerate(int delta)
{
CurrentSpeed += delta;
if (IsEngineDead)
{
EngineEvent?.Invoke(this, new EngineEventArgs("Engine is dead..."));
}
else
{
if (CurrentSpeed > MaxSpeed)
{
IsEngineDead = true;
EngineEvent?.Invoke(this, new EngineEventArgs("Engine is dead..."));
}
else if (20 >= Math.Abs(MaxSpeed - CurrentSpeed))
{
EngineEvent?.Invoke(this, new EngineEventArgs($"be careful bro! CurrentSpeed: {CurrentSpeed}."));
}
else
{
EngineEvent?.Invoke(this, new EngineEventArgs($"faster is better! CurrentSpeed: {CurrentSpeed}."));
}
}
}
public void PollEvent()
{
while (SDL_PollEvent(out SDL_Event e) != 0)
{
switch (e.type)
{
case SDL_EventType.SDL_WINDOWEVENT:
switch (e.window.windowEvent)
{
case SDL_WindowEventID.SDL_WINDOWEVENT_CLOSE:
WindowEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.WindowClose
});
break;
case SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_GAINED:
WindowEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.FocusGained
});
break;
case SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_LOST:
WindowEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.FocusLost
});
break;
case SDL_WindowEventID.SDL_WINDOWEVENT_EXPOSED:
WindowEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.WindowExposed
});
break;
case SDL_WindowEventID.SDL_WINDOWEVENT_SHOWN:
WindowEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.WindowShown
});
break;
}
break;
case SDL_EventType.SDL_KEYDOWN:
if (_keys.ContainsKey(e.key.keysym.sym))
{
_keys[e.key.keysym.sym] = true;
}
else
{
_keys.Add(e.key.keysym.sym, true);
}
break;
case SDL_EventType.SDL_KEYUP:
if (_keys.ContainsKey(e.key.keysym.sym))
{
_keys[e.key.keysym.sym] = false;
}
else
{
_keys.Add(e.key.keysym.sym, false);
}
break;
case SDL_EventType.SDL_MOUSEBUTTONDOWN:
switch (e.button.button)
{
case (byte)SDL_BUTTON_LEFT:
_leftMB = true;
break;
case (byte)SDL_BUTTON_RIGHT:
_rightMB = true;
break;
case (byte)SDL_BUTTON_MIDDLE:
_middleMB = true;
break;
}
break;
case SDL_EventType.SDL_MOUSEBUTTONUP:
switch (e.button.button)
{
case (byte)SDL_BUTTON_LEFT:
_leftMB = false;
break;
case (byte)SDL_BUTTON_RIGHT:
_rightMB = false;
break;
case (byte)SDL_BUTTON_MIDDLE:
_middleMB = false;
break;
}
break;
case SDL_EventType.SDL_RENDER_DEVICE_RESET:
EngineEvent?.Invoke(new InputCallbackEventArg()
{
CallbackType = InputCallbackType.RenderDeviceReset
});
break;
}
}
}