/// <summary>
/// Read keyboard and gamepad input
/// </summary>
private void HandleInput(float elapsedTime)
{
previousGamePadState = currentGamePadState;
previousKeyboardState = currentKeyboardState;
previousMouseState = currentMouseState;
currentGamePadState = GamePad.GetState(PlayerIndex.One);
currentKeyboardState = Keyboard.GetState();
currentMouseState = Mouse.GetState();
currentTouchCollection = TouchPanel.GetState();
//bool touched = false;
int touchCount = 0;
// tap the screen to select
foreach (TouchLocation location in currentTouchCollection)
{
switch (location.State)
{
case TouchLocationState.Pressed:
//touched = true;
touchCount++;
cursorLocation = location.Position;
break;
case TouchLocationState.Moved:
break;
case TouchLocationState.Released:
break;
}
}
if (currentMouseState.LeftButton == ButtonState.Released && previousMouseState.LeftButton == ButtonState.Pressed)
{
cursorLocation.X = currentMouseState.X;
cursorLocation.Y = currentMouseState.Y;
touchCount = 1;
}
if (currentMouseState.MiddleButton == ButtonState.Released && previousMouseState.MiddleButton == ButtonState.Pressed)
{
touchCount = 2;
}
if (currentMouseState.RightButton == ButtonState.Released && previousMouseState.RightButton == ButtonState.Pressed)
{
touchCount = 3;
}
// Allows the game to exit
if (currentGamePadState.Buttons.Back == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.Escape))
{
this.Exit();
}
// Update the cursor location by listening for left thumbstick input on
// the GamePad and direction key input on the Keyboard, making sure to
// keep the cursor inside the screen boundary
cursorLocation.X +=
currentGamePadState.ThumbSticks.Left.X * cursorMoveSpeed * elapsedTime;
cursorLocation.Y -=
currentGamePadState.ThumbSticks.Left.Y * cursorMoveSpeed * elapsedTime;
if (currentKeyboardState.IsKeyDown(Keys.Up))
{
cursorLocation.Y -= elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Down))
{
cursorLocation.Y += elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Left))
{
cursorLocation.X -= elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Right))
{
cursorLocation.X += elapsedTime * cursorMoveSpeed;
}
cursorLocation.X = MathHelper.Clamp(cursorLocation.X, 0f, screenWidth);
cursorLocation.Y = MathHelper.Clamp(cursorLocation.Y, 0f, screenHeight);
// Change the tank move behavior if the user pressed B on
// the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.B == ButtonState.Released &&
currentGamePadState.Buttons.B == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.B) &&
currentKeyboardState.IsKeyDown(Keys.B)) || (touchCount == 2))
{
tank.CycleBehaviorType();
}
// Add the cursor's location to the WaypointList if the user pressed A on
// the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.A == ButtonState.Released &&
currentGamePadState.Buttons.A == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.A) &&
currentKeyboardState.IsKeyDown(Keys.A)) || (touchCount == 1))
{
tank.Waypoints.Enqueue(cursorLocation);
}
// Delete all the current waypoints and reset the tanks’ location if
// the user pressed X on the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.X == ButtonState.Released &&
currentGamePadState.Buttons.X == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.X) &&
currentKeyboardState.IsKeyDown(Keys.X)) || (touchCount == 3))
{
tank.Reset(
new Vector2((float)screenWidth / 4, (float)screenHeight / 4));
}
}
/// <summary>
/// Read keyboard and gamepad input
/// </summary>
private void HandleInput(float elapsedTime)
{
previousGamePadState = currentGamePadState;
previousKeyboardState = currentKeyboardState;
currentGamePadState = GamePad.GetState(PlayerIndex.One);
currentKeyboardState = Keyboard.GetState();
// Allows the game to exit
if (currentGamePadState.Buttons.Back == ButtonState.Pressed ||
currentKeyboardState.IsKeyDown(Keys.Escape))
{
this.Exit();
}
// Update the cursor location by listening for left thumbstick input on
// the GamePad and direction key input on the Keyboard, making sure to
// keep the cursor inside the screen boundary
cursorLocation.X +=
currentGamePadState.ThumbSticks.Left.X * cursorMoveSpeed * elapsedTime;
cursorLocation.Y -=
currentGamePadState.ThumbSticks.Left.Y * cursorMoveSpeed * elapsedTime;
if (currentKeyboardState.IsKeyDown(Keys.Up))
{
cursorLocation.Y -= elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Down))
{
cursorLocation.Y += elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Left))
{
cursorLocation.X -= elapsedTime * cursorMoveSpeed;
}
if (currentKeyboardState.IsKeyDown(Keys.Right))
{
cursorLocation.X += elapsedTime * cursorMoveSpeed;
}
#if WINDOWS_PHONE
bool isTouchDetected = false;
bool isMenuBarUsed = false;
TouchCollection touches = TouchPanel.GetState();
if (touches.Count == 1)
{
//Use only the single (first) touch point to make experience close to Windows/XBOX - Simulates move by mouse/gamepad & "A" button press
TouchLocation touch = touches[0];
if (touch.State != TouchLocationState.Invalid)
{
//TODO: Check on device and swap X/Y + remove Y tweaking. Workaround for EMU:
double halfHeight = screenHeight / 2;
double delta = halfHeight - touch.Position.X;
//Check "button click" on menuBar
if (halfHeight + delta < menuBar_Height)
{
Rectangle touchRect = new Rectangle((int)touch.Position.Y, (int)(halfHeight + delta - 5) - 5, 10, 10);
Rectangle button1Rect = new Rectangle(menuBarButton1_Left, menuBarButtonTop, menuBarButtonWidth, menuBarButtonHeight);
Rectangle button2Rect = new Rectangle(menuBarButton2_Left, menuBarButtonTop, menuBarButtonWidth, menuBarButtonHeight);
bool button1Press, button2Press;
button1Rect.Intersects(ref touchRect, out button1Press);
button2Rect.Intersects(ref touchRect, out button2Press);
if (button1Press && touch.State == TouchLocationState.Released)
{
isClearRequested = true;
}
else if (button2Press && touch.State == TouchLocationState.Released)
{
isBehaviorChangeRequested = true;
}
isMenuBarUsed = true;
}
else
{
cursorLocation.X = touch.Position.Y;
cursorLocation.Y = (int)(halfHeight + delta);
}
//Don't let the cursor move under the MenuBar
if (cursorLocation.Y < menuBar_Height + (cursorTexture.Height / 2))
{
cursorLocation.Y = menuBar_Height + (cursorTexture.Height / 2);
}
}
if (touch.State == TouchLocationState.Released && !isMenuBarUsed)
{
isTouchDetected = true;
}
}
else if (touches.Count > 1 && touches[0].State == TouchLocationState.Released) //Multiple touch simulates pressing "B" button press to change the behavior
{
isBehaviorChangeRequested = true;
}
#endif
cursorLocation.X = MathHelper.Clamp(cursorLocation.X, 0f, screenWidth);
cursorLocation.Y = MathHelper.Clamp(cursorLocation.Y, 0f, screenHeight);
// Change the tank move behavior if the user pressed B on
// the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.B == ButtonState.Released &&
currentGamePadState.Buttons.B == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.B) &&
currentKeyboardState.IsKeyDown(Keys.B))
#if WINDOWS_PHONE
|| isBehaviorChangeRequested
#endif
)
{
tank.CycleBehaviorType();
#if WINDOWS_PHONE
isBehaviorChangeRequested = false;
#endif
}
// Add the cursor's location to the WaypointList if the user pressed A on
// the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.A == ButtonState.Released &&
currentGamePadState.Buttons.A == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.A) &&
currentKeyboardState.IsKeyDown(Keys.A))
#if WINDOWS_PHONE
|| isTouchDetected
#endif
)
{
tank.Waypoints.Enqueue(cursorLocation);
}
// Delete all the current waypoints and reset the tanks’ location if
// the user pressed X on the GamePad or on the Keyboard.
if ((previousGamePadState.Buttons.X == ButtonState.Released &&
currentGamePadState.Buttons.X == ButtonState.Pressed) ||
(previousKeyboardState.IsKeyUp(Keys.X) &&
currentKeyboardState.IsKeyDown(Keys.X))
#if WINDOWS_PHONE
|| isClearRequested
#endif
)
{
tank.Reset(
new Vector2((float)screenWidth / 4, (float)screenHeight / 4));
#if WINDOWS_PHONE
isClearRequested = false;
#endif
}
}