/// <summary>
/// Shortcut to get the <see cref="AsciiKey"/> for a specific MonoGame/XNA <see cref="Keys"/> type.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="shiftPressed">If shift should be considered pressed or not.</param>
/// <returns>The <see cref="AsciiKey"/> of the <see cref="Keys"/>.</returns>
public static AsciiKey Get(Keys key, bool shiftPressed)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, shiftPressed);
return(asciiKey);
}
/// <summary>
/// Shortcut to get the <see cref="AsciiKey"/> for a specific MonoGame/XNA <see cref="Keys"/> type. Shift is considered not pressed.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="state">Keyboar state to read from.</param>
/// <returns>The <see cref="AsciiKey"/> of the <see cref="Keys"/>.</returns>
public static AsciiKey Get(Keys key, IKeyboardState state)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, false, state);
return(asciiKey);
}
/// <summary>
/// Shortcut to get the <see cref="AsciiKey"/> for a specific MonoGame/XNA <see cref="Keys"/> type.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="shiftPressed">If shift should be considered pressed or not.</param>
/// <param name="state">Keyboar state to read from.</param>
/// <returns>The <see cref="AsciiKey"/> of the <see cref="Keys"/>.</returns>
public static AsciiKey Get(Keys key, bool shiftPressed, IKeyboardState state)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, shiftPressed, state);
return(asciiKey);
}
/// <summary>
/// Shortcut to get the <see cref="AsciiKey"/> for a specific MonoGame/XNA <see cref="Keys"/> type. Shift is considered not pressed.
/// </summary>
/// <param name="key">The key.</param>
/// <returns>The <see cref="AsciiKey"/> of the <see cref="Keys"/>.</returns>
public static AsciiKey Get(Keys key)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, false);
return(asciiKey);
}
/// <summary>
/// Returns true if the key is not in the <see cref="KeysDown"/> collection regardless of shift state.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key is not being pressed.</returns>
public bool IsKeyUp(Keys key)
{
return(!KeysDownInternal.Contains(AsciiKey.Get(key, _state)) && !KeysDownInternal.Contains(AsciiKey.Get(key, true, _state)));
}
/// <summary>
/// Reads the keyboard state using the <see cref="GameTime"/> from the update frame.
/// </summary>
/// <param name="gameTime"></param>
public void Update(GameTime gameTime)
{
KeysPressedInternal.Clear();
KeysReleasedInternal.Clear();
// Cycle all the keys down known if any are up currently, remove them from KeysDownInternal
_state = Microsoft.Xna.Framework.Input.Keyboard.GetState();
bool shiftPressed = _state.IsKeyDown(Keys.LeftShift) || _state.IsKeyDown(Keys.RightShift);
var unmappedVirtualKeys = _state.GetPressedKeys();
for (int i = 0; i < KeysDownInternal.Count;)
{
if (_state.IsKeyUp(UnmappedVirtualKeysDown[i]))
{
KeysReleasedInternal.Add(KeysDownInternal[i]);
RemoveKeyDownAt(i);
}
else
{
i++;
}
}
// KeysDownInternal now contains all the keys that are currently down except potentially newly pressed keys
// however the shift state may have changed so if there was an 'a' previously and the shift key was
// just pressed, then the 'a' needs to get replaced with 'A'.
// For all new keys down, if we don't know them, add them to pressed, add them to down.
foreach (var unmappedVirtualKey in unmappedVirtualKeys)
{
bool firstPressed = false;
AsciiKey key = new AsciiKey();
AsciiKey keyOppositeShift = new AsciiKey();
int activeKeyIndex = -1;
// These keys will be mapped since Fill does the mapping automatically
key.Fill(unmappedVirtualKey, shiftPressed, _state);
keyOppositeShift.Fill(unmappedVirtualKey, !shiftPressed, _state);
if (KeysDownInternal.Contains(key))
{
activeKeyIndex = KeysDownInternal.FindIndex(k => k == key);
var thisKey = KeysDownInternal[activeKeyIndex];
thisKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
KeysDownInternal[activeKeyIndex] = thisKey;
}
else if (KeysDownInternal.Contains(keyOppositeShift))
{
activeKeyIndex = KeysDownInternal.FindIndex(k => k == keyOppositeShift);
var thisKey = KeysDownInternal[activeKeyIndex];
thisKey.Character = key.Character;
thisKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
KeysDownInternal[activeKeyIndex] = thisKey;
}
else
{
// The physical key (independent of shift) for this character was not being pressed before
// so add it in.
firstPressed = true;
activeKeyIndex = KeysDownInternal.Count;
AddKeyDown(key, unmappedVirtualKey);
}
var activeKey = KeysDownInternal[activeKeyIndex];
if (firstPressed)
{
KeysPressedInternal.Add(activeKey);
}
else if (activeKey.PostInitialDelay == false && activeKey.TimeHeld >= InitialRepeatDelay)
{
activeKey.PostInitialDelay = true;
activeKey.TimeHeld = 0f;
KeysPressedInternal.Add(activeKey);
}
else if (activeKey.PostInitialDelay && activeKey.TimeHeld >= RepeatDelay)
{
activeKey.TimeHeld = 0f;
KeysPressedInternal.Add(activeKey);
}
}
}
// Always use the next routines to add or remove keys from KeysDownInternal or
// UnmappedVirtualKeysDown. This ensures that they stay parallel.
private void AddKeyDown(AsciiKey key, Keys unmappedVirtualKey)
{
KeysDownInternal.Add(key);
UnmappedVirtualKeysDown.Add(unmappedVirtualKey);
}
/// <summary>
/// Returns true when the key is in the <see cref="KeysPressed"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key was considered first pressed.</returns>
public bool IsKeyPressed(AsciiKey key)
{
return(KeysPressedInternal.Contains(key));
}
public static AsciiKey Get(Keys key, bool shiftPressed)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, shiftPressed);
return asciiKey;
}
/// <summary> /// Returns true when the key is in the <see cref="KeysReleased"/> collection regardless of shift state. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key was released this update frame.</returns> public bool IsKeyReleased(Keys key) => KeysReleasedInternal.Contains(AsciiKey.Get(key, _state)) || KeysReleasedInternal.Contains(AsciiKey.Get(key, true, _state));
/// <summary> /// Returns true when the key is in the <see cref="KeysReleased"/> collection. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key was released this update frame.</returns> public bool IsKeyReleased(AsciiKey key) => KeysReleasedInternal.Contains(key);
/// <summary> /// Returns true if the key is in the <see cref="KeysDown"/> collection regardless of shift state. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key is being pressed.</returns> public bool IsKeyDown(Keys key) => KeysDownInternal.Contains(AsciiKey.Get(key, _state)) || KeysDownInternal.Contains(AsciiKey.Get(key, true, _state));
/// <summary> /// Returns true if the key is in the <see cref="KeysDown"/> collection. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key is being pressed.</returns> public bool IsKeyDown(AsciiKey key) => KeysDownInternal.Contains(key);
/// <summary> /// Returns true if the key is not in the <see cref="KeysDown"/> collection. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key is not being pressed.</returns> public bool IsKeyUp(AsciiKey key) => !KeysDownInternal.Contains(key);
/// <summary>
/// Returns true if the key is not in the <see cref="KeysDown"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key is not being pressed.</returns>
public bool IsKeyUp(Keys key)
{
return(!KeysDownInternal.Contains(AsciiKey.Get(key)));
}
/// <summary>
/// Returns true when the key is in the <see cref="KeysPressed"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key was considered first pressed.</returns>
public bool IsKeyPressed(Keys key)
{
return(KeysPressed.Contains(AsciiKey.Get(key)));
}
/// <summary>
/// Returns true if the key is not in the <see cref="KeysDown"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key is not being pressed.</returns>
public bool IsKeyUp(AsciiKey key)
{
return(!KeysDownInternal.Contains(key));
}
/// <summary>
/// Reads the keyboard state using the <see cref="GameTime"/> from the update frame.
/// </summary>
/// <param name="gameTime"></param>
public void ProcessKeys(GameTime gameTime)
{
this.KeysPressed.Clear();
this.KeysReleased.Clear();
#if !SILVERLIGHT && !SHARPDX
KeyboardState state = Keyboard.GetState();
bool shiftPressed = state.IsKeyDown(Keys.LeftShift) || state.IsKeyDown(Keys.RightShift);
var keys = state.GetPressedKeys();
#elif SHARPDX
Keyboard k = new Keyboard(new DirectInput());
KeyboardState state = k.GetCurrentState();
k.Dispose();
bool shiftPressed = state.IsPressed(Keys.LeftShift) || state.IsPressed(Keys.RightShift);
var keys = state.PressedKeys;
#else
KeyboardState state = Keyboard.GetState();
bool shiftPressed = state.IsKeyDown(Keys.Shift);
var keys = state.GetPressedKeys();
#endif
// Cycle all the keys down known if any are up currently, remove
for (int i = 0; i < this.KeysDown.Count;)
{
#if SHARPDX
if (!state.PressedKeys.Contains(this.KeysDown[i].XnaKey))
#else
if (state.IsKeyUp(this.KeysDown[i].XnaKey))
#endif
{
KeysReleased.Add(this.KeysDown[i]);
this.KeysDown.Remove(this.KeysDown[i]);
}
else
{
i++;
}
}
// For all new keys down, if we don't know them, add them to pressed, add them to down.
#if SHARPDX
for (int i = 0; i < keys.Count; i++)
#else
for (int i = 0; i < keys.Length; i++)
#endif
{
bool firstPressed = false;
Input.AsciiKey key = new AsciiKey();
Input.AsciiKey keyOppositeShift = new AsciiKey();
Input.AsciiKey activeKey;
key.Fill(keys[i], shiftPressed);
keyOppositeShift.Fill(keys[i], !shiftPressed);
if (this.KeysDown.Contains(key))
{
activeKey = this.KeysDown.First(k => k == key);
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(key);
}
else if (this.KeysDown.Contains(keyOppositeShift))
{
activeKey = this.KeysDown.First(k => k == keyOppositeShift);
activeKey.Character = key.Character;
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(keyOppositeShift);
}
else
{
activeKey = key;
firstPressed = true;
}
if (firstPressed)
{
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == false && activeKey.TimeHeld >= InitialRepeatDelay)
{
activeKey.PreviouslyPressed = true;
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == true && activeKey.TimeHeld >= RepeatDelay)
{
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
this.KeysDown.Add(activeKey);
}
}
/// <summary>
/// Reads the keyboard state using the <see cref="GameTime"/> from the update frame.
/// </summary>
/// <param name="gameTime"></param>
public void ProcessKeys(GameTime gameTime)
{
this.KeysPressed.Clear();
this.KeysReleased.Clear();
// Cycle all the keys down known if any are up currently, remove
KeyboardState state = Keyboard.GetState();
bool shiftPressed = state.IsKeyDown(Keys.LeftShift) || state.IsKeyDown(Keys.RightShift);
var keys = state.GetPressedKeys();
for (int i = 0; i < this.KeysDown.Count;)
{
if (state.IsKeyUp(this.KeysDown[i].XnaKey))
{
KeysReleased.Add(this.KeysDown[i]);
this.KeysDown.Remove(this.KeysDown[i]);
}
else
i++;
}
// For all new keys down, if we don't know them, add them to pressed, add them to down.
for (int i = 0; i < keys.Length; i++)
{
bool firstPressed = false;
AsciiKey key = new AsciiKey();
AsciiKey keyOppositeShift = new AsciiKey();
AsciiKey activeKey;
key.Fill(keys[i], shiftPressed);
keyOppositeShift.Fill(keys[i], !shiftPressed);
if (this.KeysDown.Contains(key))
{
activeKey = this.KeysDown.First(k => k == key);
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(key);
}
else if (this.KeysDown.Contains(keyOppositeShift))
{
activeKey = this.KeysDown.First(k => k == keyOppositeShift);
activeKey.Character = key.Character;
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(keyOppositeShift);
}
else
{
activeKey = key;
firstPressed = true;
}
if (firstPressed)
{
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == false && activeKey.TimeHeld >= InitialRepeatDelay)
{
activeKey.PreviouslyPressed = true;
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == true && activeKey.TimeHeld >= RepeatDelay)
{
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
this.KeysDown.Add(activeKey);
}
}
/// <summary>
/// Returns true when they is in the <see cref="KeysReleased"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key was released this update frame.</returns>
public bool IsKeyReleased(Keys key)
{
return(KeysReleased.Contains(AsciiKey.Get(key)));
}
/// <summary> /// Returns true when the key is in the <see cref="KeysPressed"/> collection. /// </summary> /// <param name="key">The key to check.</param> /// <returns>True when the key was considered first pressed.</returns> public bool IsKeyPressed(AsciiKey key) => KeysPressedInternal.Contains(key);
public static AsciiKey Get(Keys key)
{
AsciiKey asciiKey = new AsciiKey();
asciiKey.Fill(key, false);
return asciiKey;
}
/// <summary>
/// Returns true if the key is in the <see cref="KeysDown"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key is being pressed.</returns>
public bool IsKeyDown(Keys key)
{
return(KeysDown.Contains(AsciiKey.Get(key)));
}
/// <summary>
/// Returns true when the key is in the <see cref="KeysReleased"/> collection.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key was released this update frame.</returns>
public bool IsKeyReleased(AsciiKey key)
{
return(KeysReleasedInternal.Contains(key));
}
/// <summary>
/// Reads the keyboard state using the <see cref="GameTime"/> from the update frame.
/// </summary>
/// <param name="gameTime"></param>
public void ProcessKeys(GameTime gameTime)
{
this.KeysPressed.Clear();
this.KeysReleased.Clear();
// Cycle all the keys down known if any are up currently, remove
#if SFML
bool shiftPressed = SFML.Window.Keyboard.IsKeyPressed(Keys.LShift) || SFML.Window.Keyboard.IsKeyPressed(Keys.RShift);
for (int i = 0; i < this.KeysDown.Count;)
{
if (!SFML.Window.Keyboard.IsKeyPressed(this.KeysDown[i].XnaKey))
{
tempKeysDown.Remove(this.KeysDown[i].XnaKey);
KeysReleased.Add(this.KeysDown[i]);
this.KeysDown.Remove(this.KeysDown[i]);
}
else
{
i++;
}
}
var keys = tempKeysDown.ToArray();
#elif MONOGAME
KeyboardState state = Keyboard.GetState();
bool shiftPressed = state.IsKeyDown(Keys.LeftShift) || state.IsKeyDown(Keys.RightShift);
var keys = state.GetPressedKeys();
for (int i = 0; i < this.KeysDown.Count;)
{
if (state.IsKeyUp(this.KeysDown[i].XnaKey))
{
KeysReleased.Add(this.KeysDown[i]);
this.KeysDown.Remove(this.KeysDown[i]);
}
else
{
i++;
}
}
#endif
// For all new keys down, if we don't know them, add them to pressed, add them to down.
for (int i = 0; i < keys.Length; i++)
{
bool firstPressed = false;
AsciiKey key = new AsciiKey();
AsciiKey keyOppositeShift = new AsciiKey();
AsciiKey activeKey;
key.Fill(keys[i], shiftPressed);
keyOppositeShift.Fill(keys[i], !shiftPressed);
if (this.KeysDown.Contains(key))
{
activeKey = this.KeysDown.First(k => k == key);
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(key);
}
else if (this.KeysDown.Contains(keyOppositeShift))
{
activeKey = this.KeysDown.First(k => k == keyOppositeShift);
activeKey.Character = key.Character;
activeKey.TimeHeld += (float)gameTime.ElapsedGameTime.TotalSeconds;
this.KeysDown.Remove(keyOppositeShift);
}
else
{
activeKey = key;
firstPressed = true;
}
if (firstPressed)
{
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == false && activeKey.TimeHeld >= InitialRepeatDelay)
{
activeKey.PreviouslyPressed = true;
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
else if (activeKey.PreviouslyPressed == true && activeKey.TimeHeld >= RepeatDelay)
{
activeKey.TimeHeld = 0f;
this.KeysPressed.Add(activeKey);
}
this.KeysDown.Add(activeKey);
}
}
/// <summary>
/// Returns true when the key is in the <see cref="KeysPressed"/> collection regardless of shift state.
/// </summary>
/// <param name="key">The key to check.</param>
/// <returns>True when the key was considered first pressed.</returns>
public bool IsKeyPressed(Keys key)
{
return(KeysPressedInternal.Contains(AsciiKey.Get(key, _state)) || KeysPressedInternal.Contains(AsciiKey.Get(key, true, _state)));
}