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Add get_loops_left() function to Tween

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Implements godotengine/godot-proposals#5141.

Adds a new get_loops_left() function to Tween, allowing developers to
reason about how many times a tweening sequence will repeat and whether
to expect finished or loop_finished as the next signal.

Co-authored-by: Tomek <kobewi4e@gmail.com>
This commit is contained in:
John Pennycook 2023-03-20 20:49:31 -07:00
parent 161d028ae8
commit 4cb2085543
3 changed files with 16 additions and 0 deletions
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9
scene/animation/tween.cpp
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@ -228,6 +228,14 @@ Ref<Tween> Tween::set_loops(int p_loops) {
return this;
}
int Tween::get_loops_left() const {
if (loops <= 0) {
return -1; // Infinite loop.
} else {
return loops - loops_done;
}
}
Ref<Tween> Tween::set_speed_scale(float p_speed) {
speed_scale = p_speed;
return this;
@ -442,6 +450,7 @@ void Tween::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_parallel", "parallel"), &Tween::set_parallel, DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_loops", "loops"), &Tween::set_loops, DEFVAL(0));
ClassDB::bind_method(D_METHOD("get_loops_left"), &Tween::get_loops_left);
ClassDB::bind_method(D_METHOD("set_speed_scale", "speed"), &Tween::set_speed_scale);
ClassDB::bind_method(D_METHOD("set_trans", "trans"), &Tween::set_trans);
ClassDB::bind_method(D_METHOD("set_ease", "ease"), &Tween::set_ease);