Expose mesh vertex count method in SoftBody3D

Author: LordDeatHunter

doc/classes/SoftBody3D.xml

@@ -150,6 +150,9 @@
 		<member name="parent_collision_ignore" type="NodePath" setter="set_parent_collision_ignore" getter="get_parent_collision_ignore" default="NodePath(&quot;&quot;)">
 			[NodePath] to a [CollisionObject3D] this SoftBody3D should avoid clipping.
 		</member>
+		<member name="point_count" type="int" setter="" getter="get_point_count" default="0">
+			The number of vertices (points) on the soft body mesh.
+		</member>
 		<member name="pressure_coefficient" type="float" setter="set_pressure_coefficient" getter="get_pressure_coefficient" default="0.0">
 			The pressure coefficient of this soft body. Simulate pressure build-up from inside this body. Higher values increase the strength of this effect.
 		</member>

scene/3d/physics/soft_body_3d.cpp

@@ -378,6 +378,8 @@ void SoftBody3D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_point_pinned", "point_index", "pinned", "attachment_path", "insert_at"), &SoftBody3D::pin_point, DEFVAL(NodePath()), DEFVAL(-1));
 	ClassDB::bind_method(D_METHOD("is_point_pinned", "point_index"), &SoftBody3D::is_point_pinned);
 
+	ClassDB::bind_method(D_METHOD("get_point_count"), &SoftBody3D::get_point_count);
+
 	ClassDB::bind_method(D_METHOD("set_ray_pickable", "ray_pickable"), &SoftBody3D::set_ray_pickable);
 	ClassDB::bind_method(D_METHOD("is_ray_pickable"), &SoftBody3D::is_ray_pickable);
 
@@ -396,6 +398,8 @@ void SoftBody3D::_bind_methods() {
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "ray_pickable"), "set_ray_pickable", "is_ray_pickable");
 
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "point_count"), "", "get_point_count");
+
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "disable_mode", PROPERTY_HINT_ENUM, "Remove,KeepActive"), "set_disable_mode", "get_disable_mode");
 
 	BIND_ENUM_CONSTANT(DISABLE_MODE_REMOVE);
@@ -692,6 +696,14 @@ Vector3 SoftBody3D::get_point_transform(int p_point_index) {
 	return PhysicsServer3D::get_singleton()->soft_body_get_point_global_position(physics_rid, p_point_index);
 }
 
+uint32_t SoftBody3D::get_point_count() const {
+	if (mesh.is_null()) {
+		return 0;
+	}
+
+	return mesh->surface_get_array_len(0);
+}
+
 void SoftBody3D::apply_impulse(int p_point_index, const Vector3 &p_impulse) {
 	PhysicsServer3D::get_singleton()->soft_body_apply_point_impulse(physics_rid, p_point_index, p_impulse);
 }

scene/3d/physics/soft_body_3d.h

@@ -151,6 +151,7 @@ class SoftBody3D : public MeshInstance3D {
 
 	void set_parent_collision_ignore(const NodePath &p_parent_collision_ignore);
 	const NodePath &get_parent_collision_ignore() const;
+	uint32_t get_point_count() const;
 
 	void set_pinned_points_indices(Vector<PinnedPoint> p_pinned_points_indices);
 	Vector<PinnedPoint> get_pinned_points_indices();