private void RefreshJoysticksAndGamepads()
{
for (var i = 0; i < Sdl.NumJoysticks(); i++)
{
var instanceId = Sdl.JoystickGetDeviceInstanceID(i);
if (Sdl.IsGameController(i) == SdlBool.True)
{
if (!SdlGamepads.TryGetValue(instanceId, out var gp))
{
SdlGamepads.Add(instanceId, new SdlGamepad(this, i, instanceId));
}
else
{
gp.ActualIndex = i;
}
}
else
{
if (!SdlJoysticks.TryGetValue(instanceId, out var joy))
{
SdlJoysticks.Add(instanceId, new SdlJoystick(this, i, instanceId));
}
else
{
joy.ActualIndex = i;
}
}
}
}
public override void ProcessEvents()
{
if (Window.Handle == 0)
{
throw new InvalidOperationException("Input update event fired without an underlying window.");
}
if (_lastHandle != Window.Handle)
{
RefreshJoysticksAndGamepads();
_lastHandle = Window.Handle;
}
var i = 0;
var c = _sdlView.Events.Count;
for (var j = 0; j < c; j++)
{
var @event = _sdlView.Events[i];
var skipped = false;
var r = 0;
switch ((EventType)@event.Type)
{
case EventType.Keydown:
case EventType.Keyup:
case EventType.Textediting:
case EventType.Textinput:
{
((SdlKeyboard)Keyboards[0]).DoEvent(@event);
break;
}
case EventType.Mousemotion:
case EventType.Mousebuttondown:
case EventType.Mousebuttonup:
case EventType.Mousewheel:
{
((SdlMouse)Mice[0]).DoEvent(@event);
break;
}
case EventType.Joyaxismotion:
{
if (SdlJoysticks.TryGetValue(@event.Jaxis.Which, out var joy))
{
joy.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Joyaxismotion;
}
case EventType.Joyballmotion:
{
if (SdlJoysticks.TryGetValue(@event.Jball.Which, out var joy))
{
joy.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this joystick does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Joyballmotion;
}
case EventType.Joyhatmotion:
{
if (SdlJoysticks.TryGetValue(@event.Jhat.Which, out var joy))
{
joy.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this joystick does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Joyhatmotion;
}
case EventType.Joybuttondown:
case EventType.Joybuttonup:
{
if (SdlJoysticks.TryGetValue(@event.Jbutton.Which, out var joy))
{
joy.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this joystick does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Joybuttonup;
}
case EventType.Joydeviceadded:
case EventType.Joydeviceremoved:
{
RefreshJoysticksAndGamepads();
if (SdlJoysticks.TryGetValue(@event.Jbutton.Which, out var joy))
{
ConnectionChanged?.Invoke(joy, @event.Type != (ulong)EventType.Joydeviceremoved);
}
break;
}
case EventType.Controlleraxismotion:
{
if (SdlGamepads.TryGetValue(@event.Caxis.Which, out var gp))
{
gp.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this gamepad does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Controlleraxismotion;
}
case EventType.Controllerbuttondown:
case EventType.Controllerbuttonup:
{
if (SdlGamepads.TryGetValue(@event.Cbutton.Which, out var gp))
{
gp.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this gamepad does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Controllerbuttonup;
}
case EventType.Controllerdeviceadded:
case EventType.Controllerdeviceremoved:
case EventType.Controllerdeviceremapped:
{
if (SdlGamepads.TryGetValue(@event.Cdevice.Which, out var gp))
{
gp.DoEvent(@event);
break;
}
if (r > 0)
{
// discard this event, this gamepad does not exist
skipped = true;
break;
}
RefreshJoysticksAndGamepads();
r++;
goto case EventType.Controllerdeviceremapped;
}
case EventType.Fingerdown:
case EventType.Fingerup:
case EventType.Fingermotion:
case EventType.Dollargesture:
case EventType.Dollarrecord:
case EventType.Multigesture:
{
// TODO touch input
break;
}
default:
{
skipped = true;
break;
}
}
if (!skipped)
{
_sdlView.Events.RemoveAt(i);
}
else
{
i++;
}
}
((SdlMouse)Mice[0]).Update();
foreach (var gp in SdlGamepads.Values)
{
gp.Update();
}
// There's actually nowhere here that will raise an SDL error that we cause.
// Sdl.ThrowError();
}
