/// <summary> /// Transitions this instance. /// </summary> public bool Transition( ) { if (!_isStarted) { throw new StateMachineException("The state machine has not been started"); } lock ( _syncObject ) { if (_logging.IsDebugEnabled) { _logging.Debug("StateMachine Transition Request - Started"); } var transitions = _stateMap.GetTransitionsForStates(ActiveStates); ActiveStates.Clear( ); foreach (IStateTransition transition in transitions) { transition.DoTransition(OnTransition); } if (_logging.IsDebugEnabled) { _logging.Debug("StateMachine Transition Request - Complete"); } } return(ActiveStates.Count != 0); }
public void Reset( ) { Stop( ); if (ActiveStates != null) { ActiveStates.Clear( ); } }
/// <summary> /// Transitions to (effectively a JUMP operation, which will bypass predefined transitions) /// </summary> /// <param name="TO"> The TO. </param> /// <returns> </returns> public bool TransitionTo(IState TO) { if (!_isStarted) { throw new StateMachineException("The state machine has not been started"); } lock ( _syncObject ) { if (_logging.IsDebugEnabled) { _logging.Debug("StateMachine Transition Request - Started"); } foreach (IState fromState in ActiveStates) { try { fromState.Leave.CallOnEach(x => x.Execute(StateContainer, _stateMap)); } catch (Exception ex) { throw new StateMachineException(ex.Message); } } ActiveStates.Clear( ); try { if (TO != null) { ActiveStates.Add(TO); foreach (IState toState in ActiveStates) { if (toState.Enter != null) { toState.Enter.CallOnEach(x => x.Execute(StateContainer, _stateMap)); } } } } catch (Exception ex) { throw new StateMachineException(ex.Message); } if (_logging.IsDebugEnabled) { _logging.Debug("StateMachine Transition Request - Complete"); } } return(ActiveStates.Count != 0); }
/// <summary> /// Stops this instance. /// </summary> public void Stop( ) { try { if (_isStarted) { ActiveStates.Clear( ); _isStarted = false; if (StopEvent != null) { StopEvent.Execute(StateContainer, _stateMap); } _stateMap.Transitions.CallOnEach(x => x.Reset( )); } } catch (Exception ex) { throw new StateMachineException(ex.Message); } }
public override void Update(GameTime gameTime) { //Update Keyboard and Mouse States PreviousKeyboardState = CurrentKeyboardState; CurrentKeyboardState = Keyboard.GetState(); PreviousMouseState = CurrentMouseState; CurrentMouseState = Mouse.GetState(); //Clear Data Structures ActiveActions.Clear(); ActiveStates.Clear(); ActiveRanges.Clear(); MappedKeyboardKeys.Clear(); MappedMouseButtons.Clear(); MappedMouseRanges.Clear(); RangeValues.Clear(); MouseScreenLocation = new Point(CurrentMouseState.X, CurrentMouseState.Y); //Sort EntityList by InputMap Priority EntityList.Sort((Entity x, Entity y) => { if (x.GetComponent <CInputMap>().Priority < y.GetComponent <CInputMap>().Priority) { return(-1); } else if (x.GetComponent <CInputMap>().Priority > y.GetComponent <CInputMap>().Priority) { return(1); } else { return(0); } }); //Map Raw Inputs to Actions, States and Ranges foreach (Entity e in EntityList) { var inputMap = e.GetComponent <CInputMap>(); //KEYBOARD KEY TO ACTION foreach (KeyValuePair <Keys, int> pair in inputMap.KeyboardKeyToAction) { if (!MappedKeyboardKeys.Contains(pair.Key)) { if (PreviousKeyboardState.IsKeyUp(pair.Key) && CurrentKeyboardState.IsKeyDown(pair.Key)) { ActiveActions.Add(pair.Value); MappedKeyboardKeys.Add(pair.Key); } } } //KEYBOARD KEY TO STATE foreach (KeyValuePair <Keys, int> pair in inputMap.KeyboardKeyToState) { if (!MappedKeyboardKeys.Contains(pair.Key)) { if (CurrentKeyboardState.IsKeyDown(pair.Key)) { ActiveStates.Add(pair.Value); MappedKeyboardKeys.Add(pair.Key); } } } //MOUSE BUTTON TO ACTION foreach (KeyValuePair <MouseButtons, int> pair in inputMap.MouseButtonToAction) { if (!MappedMouseButtons.Contains(pair.Key)) { if (pair.Key == MouseButtons.LeftButton) { if (PreviousMouseState.LeftButton == ButtonState.Released && CurrentMouseState.LeftButton == ButtonState.Pressed) { ActiveActions.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.RightButton) { if (PreviousMouseState.RightButton == ButtonState.Released && CurrentMouseState.RightButton == ButtonState.Pressed) { ActiveActions.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.MiddleButton) { if (PreviousMouseState.MiddleButton == ButtonState.Released && CurrentMouseState.MiddleButton == ButtonState.Pressed) { ActiveActions.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.XButton1) { if (PreviousMouseState.XButton1 == ButtonState.Released && CurrentMouseState.XButton1 == ButtonState.Pressed) { ActiveActions.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.XButton2) { if (PreviousMouseState.XButton2 == ButtonState.Released && CurrentMouseState.XButton2 == ButtonState.Pressed) { ActiveActions.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } } } //MOUSE BUTTON TO STATE foreach (KeyValuePair <MouseButtons, int> pair in inputMap.MouseButtonToState) { if (!MappedMouseButtons.Contains(pair.Key)) { if (pair.Key == MouseButtons.LeftButton) { if (CurrentMouseState.LeftButton == ButtonState.Pressed) { ActiveStates.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.RightButton) { if (CurrentMouseState.RightButton == ButtonState.Pressed) { ActiveStates.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.MiddleButton) { if (CurrentMouseState.MiddleButton == ButtonState.Pressed) { ActiveStates.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.XButton1) { if (CurrentMouseState.XButton1 == ButtonState.Pressed) { ActiveStates.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } if (pair.Key == MouseButtons.XButton2) { if (CurrentMouseState.XButton2 == ButtonState.Pressed) { ActiveStates.Add(pair.Value); MappedMouseButtons.Add(pair.Key); } } } } //MOUSE RANGE TO RANGE foreach (KeyValuePair <MouseRanges, int> pair in inputMap.MouseRangeToRange) { if (!MappedMouseRanges.Contains(pair.Key)) { if (pair.Key == MouseRanges.ScrollDelta) { ActiveRanges.Add(pair.Value); RangeValues.Add(pair.Value, CurrentMouseState.ScrollWheelValue - PreviousMouseState.ScrollWheelValue); MappedMouseRanges.Add(pair.Key); } if (pair.Key == MouseRanges.MouseHorizontalDelta) { float hCenter = ViewPort.Width / 2; ActiveRanges.Add(pair.Value); RangeValues.Add(pair.Value, CurrentMouseState.X - hCenter); MappedMouseRanges.Add(pair.Key); } if (pair.Key == MouseRanges.MouseVerticalDelta) { float vCenter = ViewPort.Height / 2; ActiveRanges.Add(pair.Value); RangeValues.Add(pair.Value, CurrentMouseState.Y - vCenter); MappedMouseRanges.Add(pair.Key); } } } } //Given the Mapped Inputs, Call all Callbacks and see if they can use the Mapped Input foreach (Entity e in EntityList) { var inputHandlers = e.GetComponent <CInputHandlers>(); foreach (int callbackID in inputHandlers.InputHandlerIDs) { GameRegistry.FetchInputCallback(callbackID)(e, gameTime, ActiveActions, ActiveStates, ActiveRanges, RangeValues); } } }