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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
2021-08-03 18:59:20 +02:00
parent 58a54f534e
commit 7be9c26e20
7 changed files with 37 additions and 18 deletions
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33
main/input_default.cpp
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@@ -696,31 +696,39 @@ void InputDefault::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.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.empty() && accumulated_events.back()->get()->accumulate(p_event)) {
return; //event was accumulated, exit
}
accumulated_events.push_back(p_event);
}
void InputDefault::flush_accumulated_events() {
void InputDefault::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 InputDefault::is_using_input_buffering() {
return use_input_buffering;
}
void InputDefault::set_use_input_buffering(bool p_enable) {
use_input_buffering = p_enable;
}
void InputDefault::set_use_accumulated_input(bool p_enable) {
use_accumulated_input = p_enable;
}
void InputDefault::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();
@@ -734,6 +742,7 @@ void InputDefault::release_pressed_events() {
}
InputDefault::InputDefault() {
use_input_buffering = false;
use_accumulated_input = false;
mouse_button_mask = 0;
emulate_touch_from_mouse = false;