C++ (Cpp) JoystickInfo::GetAxisFromKey Examples

Example #1

File: linux.cpp Project: ACanadianKernel/pcsx2

void PollForJoystickInput(int cpad)
{
	int joyid = conf->get_joyid(cpad);
	if (!JoystickIdWithinBounds(joyid)) return;

	SDL_JoystickUpdate();
	for (int i = 0; i < MAX_KEYS; i++)
	{
		JoystickInfo* pjoy = s_vjoysticks[joyid];

		switch (type_of_joykey(cpad, i))
		{
			case PAD_JOYBUTTONS:
				{

					int value = SDL_JoystickGetButton((pjoy)->GetJoy(), key_to_button(cpad, i));
					if (value)
						key_status->press(cpad, i);
					else
						key_status->release(cpad, i);

					break;
				}
			case PAD_HAT:
				{
					int value = SDL_JoystickGetHat((pjoy)->GetJoy(), key_to_axis(cpad, i));

					// key_to_hat_dir and SDL_JoystickGetHat are a 4 bits bitmap, one for each directions. Only 1 bit can be high for
					// key_to_hat_dir. SDL_JoystickGetHat handles diagonal too (2 bits) so you must check the intersection
					// '&' not only equality '=='. -- Gregory
					if (key_to_hat_dir(cpad, i) & value)
						key_status->press(cpad, i);
					else
						key_status->release(cpad, i);

					break;
				}
			case PAD_AXIS:
				{
					int value = pjoy->GetAxisFromKey(cpad, i);
					bool sign = key_to_axis_sign(cpad, i);
					bool full_axis = key_to_axis_type(cpad, i);

					if (IsAnalogKey(i)) {
						if (abs(value) > pjoy->GetDeadzone())
							key_status->press(cpad, i, value);
						else
							key_status->release(cpad, i);

					} else {
						if (full_axis) {
							value += 0x8000;
							if (value > pjoy->GetDeadzone())
								key_status->press(cpad, i, min(value/256 , 0xFF));
							else
								key_status->release(cpad, i);

						} else {
							if (sign && (-value > pjoy->GetDeadzone()))
								key_status->press(cpad, i, min(-value /128, 0xFF));
							else if (!sign && (value > pjoy->GetDeadzone()))
								key_status->press(cpad, i, min(value /128, 0xFF));
							else
								key_status->release(cpad, i);
						}
					}
				}
			default: break;
		}
	}
}

Example #2

File: linux.cpp Project: mauzus/progenitor

EXPORT_C_(void) PADupdate(int pad)
{
	// Poll keyboard.
	PollForKeyboardInput(pad);

	// joystick info
	SDL_JoystickUpdate();

	for (int i = 0; i < MAX_KEYS; i++)
	{
		int cpad = PadEnum[pad][0];

		if (JoystickIdWithinBounds(key_to_joystick_id(cpad, i)))
		{
			JoystickInfo* pjoy = s_vjoysticks[key_to_joystick_id(cpad, i)];
			int pad = (pjoy)->GetPAD();

			switch (type_of_key(cpad, i))
			{
				case PAD_JOYBUTTONS:
				{
					int value = SDL_JoystickGetButton((pjoy)->GetJoy(), key_to_button(cpad, i));

					if (value)
						clear_bit(status[pad], i); // released
					else
						set_bit(status[pad], i); // pressed
					break;
				}
			case PAD_HAT:
				{
					int value = SDL_JoystickGetHat((pjoy)->GetJoy(), key_to_axis(cpad, i));

					if (key_to_hat_dir(cpad, i) == value)
					{
						clear_bit(status[pad], i);
						//PAD_LOG("Registered %s\n", HatName(value), i);
						//PAD_LOG("%s\n", KeyName(cpad, i).c_str());
					}
					else
					{
						set_bit(status[pad], i);
					}
					break;
				}
			case PAD_POV:
				{
					int value = pjoy->GetAxisFromKey(cpad, i);

					PAD_LOG("%s: %d (%d)\n", KeyName(cpad, i).c_str(), value, key_to_pov_sign(cpad, i));
					if (key_to_pov_sign(cpad, i) && (value < -2048))
					{
						//PAD_LOG("%s Released+.\n", KeyName(cpad, i).c_str());
						clear_bit(status[pad], i);
					}
					else if (!key_to_pov_sign(cpad, i) && (value > 2048))
					{
						//PAD_LOG("%s Released-\n", KeyName(cpad, i).c_str());
						clear_bit(status[pad], i);
					}
					else
					{
						//PAD_LOG("%s Pressed.\n", KeyName(cpad, i).c_str());
						set_bit(status[pad], i);
					}
					break;
				}
				case PAD_JOYSTICK:
				{
					int value = pjoy->GetAxisFromKey(cpad, i);

					switch (i)
					{
						case PAD_LX:
						case PAD_LY:
						case PAD_RX:
						case PAD_RY:
							if (abs(value) > (pjoy)->GetDeadzone(value))
								Analog::ConfigurePad(pad, i, value);
							else
								Analog::ResetPad(pad, i);
							break;
					}
					break;
				}
			default: break;
			}
		}
	}
}