Method UpdateButtonsGame

src/game/client/components/touch_controls.cpp:977–1178

}

void CTouchControls::UpdateButtonsGame(const std::vector<IInput::CTouchFingerState> &vTouchFingerStates)
{
	// Update cached button visibilities and store time that buttons become visible.
	for(CTouchButton &TouchButton : m_vTouchButtons)
	{
		TouchButton.UpdateVisibilityGame();
	}

	const int DirectTouchAction = NextDirectTouchAction();
	const vec2 ScreenSize = CalculateScreenSize();

	std::vector<IInput::CTouchFingerState> vRemainingTouchFingerStates = vTouchFingerStates;

	if(!m_vStaleFingers.empty())
	{
		// Remove stale fingers that are not pressed anymore.
		m_vStaleFingers.erase(
			std::remove_if(m_vStaleFingers.begin(), m_vStaleFingers.end(), [&](const IInput::CTouchFinger &Finger) {
				return std::find_if(vRemainingTouchFingerStates.begin(), vRemainingTouchFingerStates.end(), [&](const IInput::CTouchFingerState &TouchFingerState) {
					return TouchFingerState.m_Finger == Finger;
				}) == vRemainingTouchFingerStates.end();
			}),
			m_vStaleFingers.end());
		// Prevent stale fingers from activating touch buttons and direct touch.
		vRemainingTouchFingerStates.erase(
			std::remove_if(vRemainingTouchFingerStates.begin(), vRemainingTouchFingerStates.end(), [&](const IInput::CTouchFingerState &TouchFingerState) {
				return std::find_if(m_vStaleFingers.begin(), m_vStaleFingers.end(), [&](const IInput::CTouchFinger &Finger) {
					return TouchFingerState.m_Finger == Finger;
				}) != m_vStaleFingers.end();
			}),
			vRemainingTouchFingerStates.end());
	}

	// Remove remaining finger states for fingers which are responsible for active actions
	// and release action when the finger responsible for it is not pressed down anymore.
	bool GotDirectFingerState = false; // Whether DirectFingerState is valid
	IInput::CTouchFingerState DirectFingerState{}; // The finger that will be used to update the mouse position
	for(int Action = ACTION_AIM; Action < NUM_ACTIONS; ++Action)
	{
		if(!m_aDirectTouchActionStates[Action].m_Active)
		{
			continue;
		}

		const auto ActiveFinger = std::find_if(vRemainingTouchFingerStates.begin(), vRemainingTouchFingerStates.end(), [&](const IInput::CTouchFingerState &TouchFingerState) {
			return TouchFingerState.m_Finger == m_aDirectTouchActionStates[Action].m_Finger;
		});
		if(ActiveFinger == vRemainingTouchFingerStates.end() || DirectTouchAction == NUM_ACTIONS)
		{
			m_aDirectTouchActionStates[Action].m_Active = false;
			if(Action != ACTION_AIM)
			{
				Console()->ExecuteLineStroked(0, ACTION_COMMANDS[Action], IConsole::CLIENT_ID_UNSPECIFIED);
			}
		}
		else
		{
			if(Action == m_DirectTouchLastAction)