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Add input buffering framework

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Input buffering is implicitly used by event accumulation, but this commit makes it more generic so it can be enabled for other uses.

For desktop OSs it's currently not feasible given main and UI threads are the same).
This commit is contained in:
Pedro J. Estébanez
2021-08-13 00:38:41 +02:00
parent 7c864d41c9
commit dc187324be
7 changed files with 34 additions and 18 deletions
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32
core/input/input.cpp
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@@ -837,32 +837,40 @@ void Input::parse_input_event(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
if (!use_accumulated_input) {
if (use_accumulated_input) {
if (buffered_events.is_empty() || !buffered_events.back()->get()->accumulate(p_event)) {
buffered_events.push_back(p_event);
}
} else if (use_input_buffering) {
buffered_events.push_back(p_event);
} else {
_parse_input_event_impl(p_event, false);
return;
}
if (!accumulated_events.is_empty() && accumulated_events.back()->get()->accumulate(p_event)) {
return; //event was accumulated, exit
}
accumulated_events.push_back(p_event);
}
void Input::flush_accumulated_events() {
void Input::flush_buffered_events() {
_THREAD_SAFE_METHOD_
while (accumulated_events.front()) {
_parse_input_event_impl(accumulated_events.front()->get(), false);
accumulated_events.pop_front();
while (buffered_events.front()) {
_parse_input_event_impl(buffered_events.front()->get(), false);
buffered_events.pop_front();
}
}
bool Input::is_using_input_buffering() {
return use_input_buffering;
}
void Input::set_use_input_buffering(bool p_enable) {
use_input_buffering = p_enable;
}
void Input::set_use_accumulated_input(bool p_enable) {
use_accumulated_input = p_enable;
}
void Input::release_pressed_events() {
flush_accumulated_events(); // this is needed to release actions strengths
flush_buffered_events(); // this is needed to release actions strengths
keys_pressed.clear();
joy_buttons_pressed.clear();