Method getInputDeviceIds

src/gamepad.cpp:93–101

	}

	std::vector<int> getInputDeviceIds() override {
		std::vector<int> deviceIds;
		for (int i = 0; i < 16; i++) {
			if (glfwJoystickPresent(i)) {
				deviceIds.push_back(i);
			}
		}
		return deviceIds;
	}

	int getDefaultInputDeviceId() override {
		return 0;