Method parse_input_event

core/input/input.cpp:1202–1241

}

void Input::parse_input_event(const Ref<InputEvent> &p_event) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(p_event.is_null());

#ifdef DEBUG_ENABLED
	uint64_t curr_frame = Engine::get_singleton()->get_process_frames();
	if (curr_frame != last_parsed_frame) {
		frame_parsed_events.clear();
		last_parsed_frame = curr_frame;
		frame_parsed_events.insert(p_event);
	} else if (frame_parsed_events.has(p_event)) {
		// It would be technically safe to send the same event in cases such as:
		// - After an explicit flush.
		// - In platforms using buffering when agile flushing is enabled, after one of the mid-frame flushes.
		// - If platform doesn't use buffering and event accumulation is disabled.
		// - If platform doesn't use buffering and the event type is not accumulable.
		// However, it wouldn't be reasonable to ask users to remember the full ruleset and be aware at all times
		// of the possibilities of the target platform, project settings and engine internals, which may change
		// without prior notice.
		// Therefore, the guideline is, "don't send the same event object more than once per frame".
		WARN_PRINT_ONCE(
				"An input event object is being parsed more than once in the same frame, which is unsafe.\n"
				"If you are generating events in a script, you have to instantiate a new event instead of sending the same one more than once, unless the original one was sent on an earlier frame.\n"
				"You can call duplicate() on the event to get a new instance with identical values.");
	} else {
		frame_parsed_events.insert(p_event);
	}
#endif

	if (use_accumulated_input) {
		if (buffered_events.is_empty() || !buffered_events.back()->get()->accumulate(p_event)) {
			buffered_events.push_back(p_event);
		}
	} else if (agile_input_event_flushing) {
		buffered_events.push_back(p_event);
	} else {
		_parse_input_event_impl(p_event, false);
	}
}

#ifdef DEBUG_ENABLED
void Input::flush_frame_parsed_events() {