Method Update

src/engine/client/input.cpp:701–881

#endif

int CInput::Update()
{
	const int64_t Now = time_get();
	if(m_LastUpdate != 0)
	{
		const float Diff = (Now - m_LastUpdate) / (float)time_freq();
		m_UpdateTime = m_UpdateTime == 0.0f ? Diff : (m_UpdateTime * 0.8f + Diff * 0.2f);
	}
	m_LastUpdate = Now;

	// keep the counter between 1..0xFFFFFFFF, 0 means not pressed
	m_InputCounter = (m_InputCounter % std::numeric_limits<decltype(m_InputCounter)>::max()) + 1;

	SDL_Event Event;
	bool IgnoreKeys = false;

	const auto &&AddKeyEventChecked = [&](int Key, int Flags) {
		if(Key != KEY_UNKNOWN && !IgnoreKeys && (!(Flags & IInput::FLAG_PRESS) || !HasComposition()))
		{
			AddKeyEvent(Key, Flags);
		}
	};

#if defined(CONF_PLATFORM_EMSCRIPTEN)
	if(EmscriptenQuit)
	{
		return 1;
	}
#endif

	while(SDL_PollEvent(&Event))
	{
		switch(Event.type)
		{
		case SDL_SYSWMEVENT:
			ProcessSystemMessage(Event.syswm.msg);
			break;

		case SDL_TEXTEDITING:
			HandleTextEditingEvent(Event.edit.text, Event.edit.start, Event.edit.length);
			break;

#if SDL_VERSION_ATLEAST(2, 0, 22)
		case SDL_TEXTEDITING_EXT:
			HandleTextEditingEvent(Event.editExt.text, Event.editExt.start, Event.editExt.length);
			SDL_free(Event.editExt.text);
			break;
#endif

		case SDL_TEXTINPUT:
			m_CompositionString = "";
			m_CompositionCursor = 0;
			AddTextEvent(Event.text.text);
			break;

		// handle keys
		case SDL_KEYDOWN:
			AddKeyEventChecked(TranslateKeyEventKey(Event.key), IInput::FLAG_PRESS | (Event.key.repeat != 0 ? FLAG_REPEAT : 0));