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input: fix joystick button and axis mapping on macOS

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This commit is contained in:
rdb 2018-01-07 19:34:49 +01:00
parent 96f6bd7fa5
commit 73b4217cad
2 changed files with 21 additions and 46 deletions
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65
panda/src/device/ioKitInputDevice.cxx
View File

@ -100,9 +100,11 @@ IOKitInputDevice(IOHIDDeviceRef device) :
CFRelease(elements);
if (_hat_element != nullptr) {
_hat_x_axis = _controls.size();
add_control(C_hat_x, -1, 1, true);
add_control(C_hat_y, -1, 1, true);
_hat_left_button = (int)_buttons.size();
_buttons.push_back(ButtonState(GamepadButton::hat_left()));
_buttons.push_back(ButtonState(GamepadButton::hat_right()));
_buttons.push_back(ButtonState(GamepadButton::hat_down()));
_buttons.push_back(ButtonState(GamepadButton::hat_up()));
}
if (_pointer_x != nullptr && _pointer_y != nullptr) {
@ -163,6 +165,8 @@ parse_element(IOHIDElementRef element) {
case kHIDUsage_GD_X:
if (_device_class == DC_gamepad) {
axis = C_left_x;
} else if (_device_class == DC_flight_stick) {
axis = C_roll;
} else if (_device_class == DC_mouse) {
_pointer_x = element;
return;
@ -173,6 +177,8 @@ parse_element(IOHIDElementRef element) {
case kHIDUsage_GD_Y:
if (_device_class == DC_gamepad) {
axis = C_left_y;
} else if (_device_class == DC_flight_stick) {
axis = C_pitch;
} else if (_device_class == DC_mouse) {
_pointer_y = element;
return;
@ -197,7 +203,7 @@ parse_element(IOHIDElementRef element) {
if (_device_class == DC_gamepad) {
axis = C_right_trigger;
} else {
axis = C_twist;
axis = C_yaw;
}
break;
case kHIDUsage_GD_Slider:
@ -253,8 +259,9 @@ parse_element(IOHIDElementRef element) {
if (_vendor_id == 0x044f && _product_id == 0xb108 && axis == C_throttle) {
// T.Flight Hotas X throttle is reversed and can go backwards.
add_control(axis, max, min, true);
} else if (axis == C_y || axis == C_left_y || axis == C_right_y) {
} else if (axis == C_yaw || axis == C_left_y || axis == C_right_y) {
// We'd like to reverse the Y axis to match the XInput behavior.
// We also reverse yaw to obey the right-hand rule.
add_control(axis, max, min);
} else {
add_control(axis, min, max);
@ -614,6 +621,10 @@ parse_element(IOHIDElementRef element) {
if (usage < sizeof(gamepad_buttons) / sizeof(ButtonHandle)) {
handle = gamepad_buttons[usage];
}
} else if (_device_class == DC_flight_stick) {
if (usage > 0) {
handle = GamepadButton::joystick(usage - 1);
}
} else if (_device_class == DC_mouse) {
// In Panda, wheel and right button are flipped around...
int button = (usage == 2 || usage == 3) ? (4 - usage) : (usage - 1);
@ -681,46 +692,10 @@ do_poll() {
IOHIDValueRef value_ref;
if (IOHIDDeviceGetValue(_device, _hat_element, &value_ref) == kIOReturnSuccess) {
int value = IOHIDValueGetIntegerValue(value_ref);
int x = 0;
int y = 0;
switch (value) {
case 0:
x = 0;
y = -1;
break;
case 1:
x = 1;
y = -1;
break;
case 2:
x = 1;
y = 0;
break;
case 3:
x = 1;
y = 1;
break;
case 4:
x = 0;
y = 1;
break;
case 5:
x = -1;
y = 1;
break;
case 6:
x = -1;
y = 0;
break;
case 7:
x = -1;
y = -1;
break;
default:
break;
}
control_changed(_hat_x_axis, x);
control_changed(_hat_x_axis + 1, y);
button_changed(_hat_left_button + 0, value >= 5 && value <= 7); // left
button_changed(_hat_left_button + 1, value >= 1 && value <= 3); // right
button_changed(_hat_left_button + 2, value >= 3 && value <= 5); // down
button_changed(_hat_left_button + 3, value == 7 || value == 0 || value == 1); // up
}
}

2
panda/src/device/ioKitInputDevice.h
View File

@ -41,7 +41,7 @@ private:
pvector<IOHIDElementRef> _button_elements;
pvector<IOHIDElementRef> _analog_elements;
IOHIDElementRef _hat_element;
int _hat_x_axis;
int _hat_left_button;
IOHIDElementRef _pointer_x;
IOHIDElementRef _pointer_y;
IOHIDElementRef _scroll_wheel;