/// <summary>
/// Tries to convert keyboard input to characters and prevents repeatedly returning the
/// same character if a key was pressed last frame, but not yet unpressed this frame.
///
/// Code courtesy of: http://roy-t.nl/index.php/2010/02/11/code-snippet-converting-keyboard-input-to-text-in-xna/
/// </summary>
/// <param name="keyboard">The current KeyboardState</param>
/// <param name="oldKeyboard">The KeyboardState of the previous frame</param>
/// <param name="key">When this method returns, contains the correct character if conversion succeeded.
/// Else contains the null, (000), character.</param>
/// <returns>True if conversion was successful</returns>
public static bool TryLinkToKeyboardInput(ref string text, KeyboardState keyboard, KeyboardState oldKeyboard)
{
Keys[] keysPressed = keyboard.GetPressedKeys();
List <char> charactersList = new List <char>();
if (keysPressed.Length > 0)
{
for (int i = 0; i < keysPressed.Length; i++)
{
if (!oldKeyboard.IsKeyDown(keysPressed[i]) || _keyPressedTimer.TimeElapsedInMilliSeconds > 500)
{
char tempChar;
FindPressedKey(keysPressed[i], out tempChar);
if (tempChar != 0)
{
charactersList.Add(tempChar);
}
// If backspace is pressed, delete last character.
if (InputSystem.IsKeyDown(Keys.Back))
{
if (text.Length != 0)
{
text = text.Remove(text.Length - 1, 1);
}
}
}
}
// Check for long key presses.
if (keysPressed.Length == 1)
{
}
else
{
_keyPressedTimer.Reset();
}
}
else
{
// No input pressed.
_keyPressedTimer.Reset();
return(false);
}
// Add pressed characters to string.
for (int i = 0; i < charactersList.Count; i++)
{
text += charactersList[i];
}
return(true);
}
public override void Update(Tile t)
{
t.AnimationStopped = !_isOpen;
foreach (Player player in GameWorld.GetPlayers())
{
if (player.GetCollRectangle().Intersects(_collRectangle) && !_isOpen)
{
// If player presses open button, open chest.
if (InputSystem.IsKeyDown(Keys.W))
{
OnPlayerAction(t, player);
}
}
}
}
/// <summary>
/// Updates the camera by following the rectangle given in a smooth manner.
/// </summary>
/// <param name="rectangle"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="active">Should the camera follow the rectangle.</param>
public void UpdateSmoothly(Rectangle rectangle, int width, int height, bool active)
{
Vector3 currentLeftCorner;
// If the camera is not active, which is used to show the player is dead, the camera stops moving.
if (active)
{
Vector2 playerPos = new Vector2(rectangle.X + rectangle.Width / 2, rectangle.Y + rectangle.Height / 2);
currentLeftCorner = new Vector3(-playerPos.X + _defRes.X / _zoom / 2, -playerPos.Y + (3 * _defRes.Y / _zoom / 5), 0);
}
else
{
currentLeftCorner = LastCameraLeftCorner;
}
if (LockedX)
{
currentLeftCorner.X = LastCameraLeftCorner.X;
}
if (LockedY)
{
currentLeftCorner.Y = LastCameraLeftCorner.Y;
}
if (RestricedToGameWorld)
{
if (currentLeftCorner.X > 0)
{
currentLeftCorner.X = 0;
}
if (currentLeftCorner.X < -(width * TMBAW_Game.Tilesize - _defRes.X))
{
currentLeftCorner.X = -(width * TMBAW_Game.Tilesize - _defRes.X);
}
if (currentLeftCorner.Y > 0)
{
currentLeftCorner.Y = 0;
}
if (currentLeftCorner.Y < -(height * TMBAW_Game.Tilesize - _defRes.Y))
{
currentLeftCorner.Y = -(height * TMBAW_Game.Tilesize - _defRes.Y);
}
}
if (InputSystem.IsKeyDown(Keys.OemMinus))
{
ButtonBar.MinusButton_MouseClicked(null);
}
if (InputSystem.IsKeyDown(Keys.OemPlus))
{
ButtonBar.PlusButton_MouseClicked(null);
}
if (InputSystem.IsKeyDown(Keys.R))
{
ResetZoom();
}
Velocity = (currentLeftCorner - LastCameraLeftCorner) / 5;
Vector3 cameraLeftCorner = LastCameraLeftCorner;
// Used if the camera zoom changed.
if (_updateInstantly)
{
cameraLeftCorner = currentLeftCorner;
_updateInstantly = false;
}
else
{
cameraLeftCorner += Velocity;
}
CenterGameCoords = new Vector2(-currentLeftCorner.X, -currentLeftCorner.Y);
LeftTopGameCoords = CenterGameCoords;
CenterGameCoords.X += TMBAW_Game.DefaultResWidth / 2;
CenterGameCoords.Y += TMBAW_Game.DefaultResHeight * 2 / 3;
TileIndex = (int)((int)CenterGameCoords.Y / TMBAW_Game.Tilesize * GameWorld.WorldData.LevelWidth) + (int)((int)CenterGameCoords.X / TMBAW_Game.Tilesize);
LastCameraLeftCorner = cameraLeftCorner;
_lastVelocity = Velocity;
int shakeOffset = 1;
if (_shakeTimer.TimeElapsedInMilliSeconds < 100)
{
switch (TMBAW_Game.Random.Next(0, 5))
{
case 0:
cameraLeftCorner.X += shakeOffset;
break;
case 1:
cameraLeftCorner.X -= shakeOffset;
break;
case 2:
cameraLeftCorner.Y += shakeOffset;
break;
case 3:
cameraLeftCorner.Y -= shakeOffset;
break;
}
}
//cameraLeftCorner = new Vector3(DrawRectangle.X, DrawRectangle.Y, 0);
cameraLeftCorner = new Vector3((int)cameraLeftCorner.X, (int)cameraLeftCorner.Y, 0);
_translation = Matrix.CreateTranslation(cameraLeftCorner) * Matrix.CreateScale(new Vector3(_zoom, _zoom, 0));
HalfTranslate = Matrix.CreateTranslation(cameraLeftCorner * 2);
}