Method UpdateButtonsEditor

src/game/client/components/touch_controls.cpp:1744–2065

}

void CTouchControls::UpdateButtonsEditor(const std::vector<IInput::CTouchFingerState> &vTouchFingerStates)
{
	std::vector<CUnitRect> vVisibleButtonRects;
	const vec2 ScreenSize = CalculateScreenSize();
	bool LongPress = false;
	for(CTouchButton &TouchButton : m_vTouchButtons)
	{
		TouchButton.UpdateVisibilityEditor();
	}

	if(vTouchFingerStates.empty())
		m_PreventSaving = false;

	// Remove if the finger deleted has released.
	if(!m_vDeletedFingerState.empty())
	{
		const auto &Remove = std::remove_if(m_vDeletedFingerState.begin(), m_vDeletedFingerState.end(), [&vTouchFingerStates](const auto &TargetState) {
			return std::none_of(vTouchFingerStates.begin(), vTouchFingerStates.end(), [&](const auto &State) {
				return State.m_Finger == TargetState.m_Finger;
			});
		});
		m_vDeletedFingerState.erase(Remove, m_vDeletedFingerState.end());
	}
	// Delete fingers if they are press later. So they cant be the longpress finger.
	if(vTouchFingerStates.size() > 1)
	{
		std::for_each(vTouchFingerStates.begin() + 1, vTouchFingerStates.end(), [&](const auto &State) {
			m_vDeletedFingerState.push_back(State);
		});
	}

	// If released, and there is finger on screen, and the "first finger" is not deleted(new finger), then it can be a LongPress candidate.
	if(!vTouchFingerStates.empty() && !std::any_of(m_vDeletedFingerState.begin(), m_vDeletedFingerState.end(), [&vTouchFingerStates](const auto &State) {
		   return vTouchFingerStates[0].m_Finger == State.m_Finger;
	   }))
	{
		// If has different finger, reset the accumulated delta.
		if(m_LongPressFingerState.has_value() && (*m_LongPressFingerState).m_Finger != vTouchFingerStates[0].m_Finger)
			m_AccumulatedDelta = vec2(0.0f, 0.0f);
		// Update the LongPress candidate state.
		m_LongPressFingerState = vTouchFingerStates[0];
	}
	// If no suitable finger for long press, then clear it.
	else
	{
		m_LongPressFingerState = std::nullopt;
	}

	// Find long press button. LongPress == true means the first fingerstate long pressed.
	if(m_LongPressFingerState.has_value())
	{
		m_AccumulatedDelta += (*m_LongPressFingerState).m_Delta;
		// If slided, then delete.
		if(length(m_AccumulatedDelta) > 0.005f)
		{
			m_AccumulatedDelta = vec2(0.0f, 0.0f);
			m_vDeletedFingerState.push_back(*m_LongPressFingerState);
			m_LongPressFingerState = std::nullopt;