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[Input] Implemented JoystickHat GamePad mapping

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This commit is contained in:
thefiddler 2014-07-25 23:26:03 +02:00
parent 7c55e4e9ec
commit e5cd6a3b9e
4 changed files with 80 additions and 6 deletions
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3
Source/OpenTK/Input/ConfigurationType.cs
View file

@ -35,7 +35,8 @@ namespace OpenTK.Input
{
Unmapped = 0,
Axis,
Button
Button,
Hat
}
}

35
Source/OpenTK/Input/GamePadConfiguration.cs
View file

@ -175,8 +175,11 @@ namespace OpenTK.Input
return new GamePadConfigurationSource(ParseButton(item));
case 'h':
throw new NotImplementedException();
//return new MapItem(ParseHat(item));
{
HatPosition position;
JoystickHat hat = ParseHat(item, out position);
return new GamePadConfigurationSource(hat, position);
}
default:
throw new InvalidOperationException("[Input] Invalid GamePad configuration value");
@ -193,12 +196,38 @@ namespace OpenTK.Input
static JoystickButton ParseButton(string item)
{
// item is in the format "b#" where # a zero-based integer nubmer
// item is in the format "b#" where # a zero-based integer number
JoystickButton button = JoystickButton.Button0;
int id = Int32.Parse(item.Substring(1));
return button + id;
}
static JoystickHat ParseHat(string item, out HatPosition position)
{
// item is in the format "h#.#" where:
// - the 1st # is the zero-based hat id
// - the 2nd # is a bit-flag defining the hat position
JoystickHat hat = JoystickHat.Hat0;
int id = Int32.Parse(item.Substring(1, 1));
int pos = Int32.Parse(item.Substring(3));
position = HatPosition.Centered;
switch (pos)
{
case 1: position = HatPosition.Up; break;
case 2: position = HatPosition.Right; break;
case 3: position = HatPosition.UpRight; break;
case 4: position = HatPosition.Down ; break;
case 6: position = HatPosition.DownRight; break;
case 8: position = HatPosition.Left; break;
case 9: position = HatPosition.UpLeft; break;
case 12: position = HatPosition.DownLeft; break;
default: position = HatPosition.Centered; break;
}
return hat + id;
}
#endregion
}
}

26
Source/OpenTK/Input/GamePadConfigurationSource.cs
View file

@ -34,8 +34,10 @@ namespace OpenTK.Input
struct GamePadConfigurationSource
{
ConfigurationType map_type;
Nullable<JoystickButton> map_button;
Nullable<JoystickAxis> map_axis;
JoystickButton? map_button;
JoystickAxis? map_axis;
JoystickHat? map_hat;
HatPosition? map_hat_position;
public GamePadConfigurationSource(JoystickAxis axis)
: this()
@ -51,6 +53,14 @@ namespace OpenTK.Input
Button = button;
}
public GamePadConfigurationSource(JoystickHat hat, HatPosition pos)
: this()
{
Type = ConfigurationType.Hat;
Hat = hat;
map_hat_position = pos;
}
public ConfigurationType Type
{
get { return map_type; }
@ -68,5 +78,17 @@ namespace OpenTK.Input
get { return map_button.Value; }
private set { map_button = value; }
}
public JoystickHat Hat
{
get { return map_hat.Value; }
private set { map_hat = value; }
}
public HatPosition HatPosition
{
get { return map_hat_position.Value; }
private set { map_hat_position = value; }
}
}
}

22
Source/OpenTK/Platform/MappedGamePadDriver.cs
View file

@ -117,6 +117,28 @@ namespace OpenTK.Platform
}
}
break;
case ConfigurationType.Hat:
{
// JoystickHat -> Buttons/GamePadAxes mapping
JoystickHat source_hat = map.Source.Hat;
bool pressed = joy.GetHat(source_hat).Position == map.Source.HatPosition;
switch (map.Target.Type)
{
case ConfigurationType.Axis:
// Todo: if SDL2 GameController config is ever updated to
// distinguish between negative/positive axes, then update
// the following line to support both.
pad.SetAxis(map.Target.Axis, pressed ? short.MaxValue : (short)0);
break;
case ConfigurationType.Button:
pad.SetButton(map.Target.Button, pressed);
break;
}
}
break;
}
}
}