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[3.x] Allow getting Input axis/vector values from multiple actions

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For get_vector, use raw values and handle deadzones appropriately
This commit is contained in:
Aaron Franke
2021-07-22 21:02:18 -04:00
parent afa89c9eea
commit 69fb14256b
4 changed files with 82 additions and 2 deletions
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31
main/input_default.cpp
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@ -158,6 +158,37 @@ float InputDefault::get_action_raw_strength(const StringName &p_action) const {
return E->get().raw_strength;
}
float Input::get_axis(const StringName &p_negative_action, const StringName &p_positive_action) const {
return get_action_strength(p_positive_action) - get_action_strength(p_negative_action);
}
Vector2 Input::get_vector(const StringName &p_negative_x, const StringName &p_positive_x, const StringName &p_negative_y, const StringName &p_positive_y, float p_deadzone) const {
Vector2 vector = Vector2(
get_action_raw_strength(p_positive_x) - get_action_raw_strength(p_negative_x),
get_action_raw_strength(p_positive_y) - get_action_raw_strength(p_negative_y));
if (p_deadzone < 0.0f) {
// If the deadzone isn't specified, get it from the average of the actions.
p_deadzone = (InputMap::get_singleton()->action_get_deadzone(p_positive_x) +
InputMap::get_singleton()->action_get_deadzone(p_negative_x) +
InputMap::get_singleton()->action_get_deadzone(p_positive_y) +
InputMap::get_singleton()->action_get_deadzone(p_negative_y)) /
4;
}
// Circular length limiting and deadzone.
float length = vector.length();
if (length <= p_deadzone) {
return Vector2();
} else if (length > 1.0f) {
return vector / length;
} else {
// Inverse lerp length to map (p_deadzone, 1) to (0, 1).
return vector * (Math::inverse_lerp(p_deadzone, 1.0f, length) / length);
}
return vector;
}
float InputDefault::get_joy_axis(int p_device, int p_axis) const {
_THREAD_SAFE_METHOD_
int c = _combine_device(p_axis, p_device);