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Allow users to override SkeletonModifier3D._process_modification #91507

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May 10, 2024
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Allow users to override SkeletonModifier3D._process_modification #91507

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10 changes: 10 additions & 0 deletions doc/classes/SkeletonModifier3D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,19 @@
<description>
[SkeletonModifier3D] retrieves a target [Skeleton3D] by having a [Skeleton3D] parent.
If there is [AnimationMixer], modification always performs after playback process of the [AnimationMixer].
This node should be used to implement custom IK solvers, constraints, or skeleton physics
</description>
<tutorials>
</tutorials>
<methods>
<method name="_process_modification" qualifiers="virtual">
<return type="void" />
<description>
Override this virtual method to implement a custom skeleton modifier. You should do things like get the [Skeleton3D]'s current pose and apply the pose here.
[method _process_modification] must not apply [member influence] to bone poses because the [Skeleton3D] automatically applies influence to all bone poses set by the modifier.
</description>
</method>
</methods>
<members>
<member name="active" type="bool" setter="set_active" getter="is_active" default="true">
If [code]true[/code], the [SkeletonModifier3D] will be processing.
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3 changes: 2 additions & 1 deletion scene/3d/skeleton_modifier_3d.cpp
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Expand Up @@ -110,7 +110,7 @@ void SkeletonModifier3D::process_modification() {
}

void SkeletonModifier3D::_process_modification() {
//
GDVIRTUAL_CALL(_process_modification);
}

void SkeletonModifier3D::_notification(int p_what) {
Expand All @@ -133,6 +133,7 @@ void SkeletonModifier3D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "influence", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_influence", "get_influence");

ADD_SIGNAL(MethodInfo("modification_processed"));
GDVIRTUAL_BIND(_process_modification);
}

SkeletonModifier3D::SkeletonModifier3D() {
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1 change: 1 addition & 0 deletions scene/3d/skeleton_modifier_3d.h
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Expand Up @@ -60,6 +60,7 @@ class SkeletonModifier3D : public Node3D {
virtual void _set_active(bool p_active);

virtual void _process_modification();
GDVIRTUAL0(_process_modification);

public:
virtual PackedStringArray get_configuration_warnings() const override;
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2 changes: 1 addition & 1 deletion scene/register_scene_types.cpp
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Expand Up @@ -589,7 +589,7 @@ void register_scene_types() {
GDREGISTER_CLASS(CPUParticles3D);
GDREGISTER_CLASS(Marker3D);
GDREGISTER_CLASS(RootMotionView);
GDREGISTER_ABSTRACT_CLASS(SkeletonModifier3D);
GDREGISTER_VIRTUAL_CLASS(SkeletonModifier3D);

OS::get_singleton()->yield(); // may take time to init

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