/// <summary>
/// Check if a shape has been created from the queue of inputted buttons
/// </summary>
/// <param name="queuedButtons">The queue of buttons to be checked</param>
/// <returns> The shape that was generated shaped</returns>
private Defines.GESTURES CheckShape(ref List <Buttons> queuedButtons)
{
// Assume that no shape has been generated
Defines.GESTURES _resultGesture = Defines.GESTURES.NORMAL;
// NOTE: Start with the "longest" shape [Shape that requires most inputs...then work in decreasing amount of input]
// This allows us to check if we wanted a square (and not immediately substitute it for a triangle or V)
// Check for square formation
if (CheckShape(ref queuedButtons, ref SQUARE_SHAPE_B) == SQUARE_SHAPE_B.Count)
{
_resultGesture = Defines.GESTURES.SQUARE;
}
// Check for V formation
else if (CheckShape(ref queuedButtons, ref V_SHAPE_B) == V_SHAPE_B.Count && queuedButtons.Count <= V_SHAPE_B.Count)
{
_resultGesture = Defines.GESTURES.V;
}
// Check for triangle formation
else if (CheckShape(ref queuedButtons, ref TRIANGLE_SHAPE_B) == TRIANGLE_SHAPE_B.Count)
{
_resultGesture = Defines.GESTURES.TRIANGLE;
}
// Check for line formation
else if (CheckShape(ref queuedButtons, ref LINE_SHAPE_B) == LINE_SHAPE_B.Count && queuedButtons.Count <= LINE_SHAPE_B.Count)
{
_resultGesture = Defines.GESTURES.LINE;
}
return(_resultGesture);
}
/// <summary>
/// Keeps track of the input of a given player
/// </summary>
/// <param name="currentGamePadState">Contains the GamePad whose state is in question</param>
public void updatePlayerState(GamePadState currentGamePadState)
{
//If the system is ready for another direction
if (currentGamePadState.IsConnected)
{
//Clicking in the right thumbstick resets the gesture input
if (currentGamePadState.Buttons.RightStick == ButtonState.Pressed)
{
queuedButtons.Clear();
currentShape = Defines.GESTURES.NORMAL;
}
if (queuedButtons.Count >= 2)
{
currentShape = CheckShape(ref queuedButtons);
// if we made a change in gesture, reset the queue for the next gesture
if (currentShape != Defines.GESTURES.NORMAL)
{
queuedButtons.Clear();
// Also reset the 'B' Button counter
B_count = 0;
}
}
updateButtonState();
}
}
/// <summary>
/// Updates the current formation to the newly recognized system gesture.
/// </summary>
public void UpdateFormation()
{
//If the player is triggering a fusion
if (Defines.playerFusionTriggered[this.currentPlayerIndex])
{
//If there is a second player and that player is also in fusion mode
if (Defines.playersGestures.Count > 1)
{
//Get the index of the other player
PlayerIndex _otherPlayer = (this.currentPlayerIndex == PlayerIndex.One) ? PlayerIndex.Two : PlayerIndex.One;
//If the other player is in fusion mode and their formation isn't a Normal formation
if (Defines.playerFusionTriggered[_otherPlayer])
{
//Check the ID of the gesture
switch (currentFormationID)
{
case Defines.GESTURES.LINE:
currentFormationID = Defines.GESTURES.LINE_FUSION;
break;
case Defines.GESTURES.SQUARE:
currentFormationID = Defines.GESTURES.SQUARE_FUSION;
break;
case Defines.GESTURES.TRIANGLE:
currentFormationID = Defines.GESTURES.TRIANGLE_FUSION;
break;
case Defines.GESTURES.V:
currentFormationID = Defines.GESTURES.V_FUSION;
break;
}
currentFusionFormation = fusionFormationList[currentFormationID];
//Set the current formation to the fusion formation for this player
currentFormation = currentFusionFormation.playerFormationList[currentPlayerIndex];
//Set up the formation manager for a fusion formation.
this.StartFusionMode();
}
}
//Otherwise we need a single-player fusion mode.
else if (Defines.playersGestures.Count == 1)
{
//TODO: Implement single-player fusion triggering.
}
}
//Otherwise, we're not triggering a fusion,
// so just find the regular formation
else
{
currentFormation = formationList[currentFormationID];
}
//Set ID to remember gesture
previousFormationID = currentFormationID;
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
public void Update(GameTime gameTime, int numShips, Vector2 fixedPoint)
{
//Store the changed fixed point
globalFixedPoint = fixedPoint;
/*
* Note: We only want to check for new formation changes when we aren't
* in fusion mode. If we are in fusion mode, then we check for formations when
* the fusion timer has expired.
*/
if (!inFusionMode)
{
//Update the gesture component to check for new formations
gestureComponent.Update(gameTime);
//Check for new gestures
currentFormationID = gestureComponent.currentShape;
if (currentFormationID != previousFormationID)
{
//Update formation positions
UpdateFormation();
}
//Update the positions of the ships based on the player's fixed point
currentFormation.Update(gameTime, numShips, globalFixedPoint);
}
//Otherwise, we're in a fusion formation
else
{
//Only player one can manipulate the global fusion timer
if (currentPlayerIndex == PlayerIndex.One)
{
Defines.FusionTimer -= gameTime.ElapsedGameTime;
}
if (Defines.FusionTimer <= TimeSpan.Zero)
{
inFusionMode = false;
}
currentFusionFormation.Update(gameTime, globalFixedPoint);
currentFormation = currentFusionFormation.playerFormationList[currentPlayerIndex];
}
}
/// <summary>
/// Updates the current formation to the newly recognized system gesture.
/// </summary>
public void UpdateFormation()
{
//If the player is triggering a fusion
if (Defines.playerFusionTriggered[this.currentPlayerIndex])
{
//If there is a second player and that player is also in fusion mode
if (Defines.playersGestures.Count > 1)
{
//Get the index of the other player
PlayerIndex _otherPlayer = (this.currentPlayerIndex == PlayerIndex.One) ? PlayerIndex.Two : PlayerIndex.One;
//If the other player is in fusion mode and their formation isn't a Normal formation
if (Defines.playerFusionTriggered[_otherPlayer])
{
//Check the ID of the gesture
switch (currentFormationID)
{
case Defines.GESTURES.LINE:
currentFormationID = Defines.GESTURES.LINE_FUSION;
break;
case Defines.GESTURES.SQUARE:
currentFormationID = Defines.GESTURES.SQUARE_FUSION;
break;
case Defines.GESTURES.TRIANGLE:
currentFormationID = Defines.GESTURES.TRIANGLE_FUSION;
break;
case Defines.GESTURES.V:
currentFormationID = Defines.GESTURES.V_FUSION;
break;
}
currentFusionFormation = fusionFormationList[currentFormationID];
//Set the current formation to the fusion formation for this player
currentFormation = currentFusionFormation.playerFormationList[currentPlayerIndex];
//Set up the formation manager for a fusion formation.
this.StartFusionMode();
}
}
//Otherwise we need a single-player fusion mode.
else if (Defines.playersGestures.Count == 1)
{
//TODO: Implement single-player fusion triggering.
}
}
//Otherwise, we're not triggering a fusion,
// so just find the regular formation
else
currentFormation = formationList[currentFormationID];
//Set ID to remember gesture
previousFormationID = currentFormationID;
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
public void Update(GameTime gameTime, int numShips, Vector2 fixedPoint)
{
//Store the changed fixed point
globalFixedPoint = fixedPoint;
/*
* Note: We only want to check for new formation changes when we aren't
* in fusion mode. If we are in fusion mode, then we check for formations when
* the fusion timer has expired.
*/
if (!inFusionMode)
{
//Update the gesture component to check for new formations
gestureComponent.Update(gameTime);
//Check for new gestures
currentFormationID = gestureComponent.currentShape;
if (currentFormationID != previousFormationID)
//Update formation positions
UpdateFormation();
//Update the positions of the ships based on the player's fixed point
currentFormation.Update(gameTime, numShips, globalFixedPoint);
}
//Otherwise, we're in a fusion formation
else
{
//Only player one can manipulate the global fusion timer
if(currentPlayerIndex == PlayerIndex.One)
Defines.FusionTimer -= gameTime.ElapsedGameTime;
if (Defines.FusionTimer <= TimeSpan.Zero)
inFusionMode = false;
currentFusionFormation.Update(gameTime, globalFixedPoint);
currentFormation = currentFusionFormation.playerFormationList[currentPlayerIndex];
}
}
/// <summary>
/// Keeps track of the input of a given player
/// </summary>
/// <param name="currentGamePadState">Contains the GamePad whose state is in question</param>
public void updatePlayerState(GamePadState currentGamePadState)
{
//If the system is ready for another direction
if (currentGamePadState.IsConnected)
{
//Clicking in the right thumbstick resets the gesture input
if (currentGamePadState.Buttons.RightStick == ButtonState.Pressed)
{
queuedButtons.Clear();
currentShape = Defines.GESTURES.NORMAL;
}
if (queuedButtons.Count >= 2)
{
currentShape = CheckShape(ref queuedButtons);
// if we made a change in gesture, reset the queue for the next gesture
if (currentShape != Defines.GESTURES.NORMAL)
{
queuedButtons.Clear();
// Also reset the 'B' Button counter
B_count = 0;
}
}
updateButtonState();
}
}
