Expose collider RID in 2D/3D kinematic collision

Can be useful to access the colliding body information for bodies
created with the physics server directly.

(cherry picked from commit a146e79758947dbe2df33073b4c08fc7025f2e51)

doc/classes/KinematicCollision.xml

@@ -21,6 +21,9 @@
 		<member name="collider_metadata" type="Variant" setter="" getter="get_collider_metadata">
 			The colliding body's metadata. See [Object].
 		</member>
+		<member name="collider_rid" type="RID" setter="" getter="get_collider_rid">
+			The colliding body's [RID] used by the [PhysicsServer].
+		</member>
 		<member name="collider_shape" type="Object" setter="" getter="get_collider_shape">
 			The colliding body's shape.
 		</member>

doc/classes/KinematicCollision2D.xml

@@ -21,6 +21,9 @@
 		<member name="collider_metadata" type="Variant" setter="" getter="get_collider_metadata">
 			The colliding body's metadata. See [Object].
 		</member>
+		<member name="collider_rid" type="RID" setter="" getter="get_collider_rid">
+			The colliding body's [RID] used by the [Physics2DServer].
+		</member>
 		<member name="collider_shape" type="Object" setter="" getter="get_collider_shape">
 			The colliding body's shape.
 		</member>

scene/2d/physics_body_2d.cpp

@@ -1552,6 +1552,9 @@ ObjectID KinematicCollision2D::get_collider_id() const {
 
 	return collision.collider;
 }
+RID KinematicCollision2D::get_collider_rid() const {
+	return collision.collider_rid;
+}
 Object *KinematicCollision2D::get_collider_shape() const {
 
 	Object *collider = get_collider();
@@ -1587,6 +1590,7 @@ void KinematicCollision2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_local_shape"), &KinematicCollision2D::get_local_shape);
 	ClassDB::bind_method(D_METHOD("get_collider"), &KinematicCollision2D::get_collider);
 	ClassDB::bind_method(D_METHOD("get_collider_id"), &KinematicCollision2D::get_collider_id);
+	ClassDB::bind_method(D_METHOD("get_collider_rid"), &KinematicCollision2D::get_collider_rid);
 	ClassDB::bind_method(D_METHOD("get_collider_shape"), &KinematicCollision2D::get_collider_shape);
 	ClassDB::bind_method(D_METHOD("get_collider_shape_index"), &KinematicCollision2D::get_collider_shape_index);
 	ClassDB::bind_method(D_METHOD("get_collider_velocity"), &KinematicCollision2D::get_collider_velocity);
@@ -1599,6 +1603,7 @@ void KinematicCollision2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "local_shape"), "", "get_local_shape");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "collider"), "", "get_collider");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "collider_id"), "", "get_collider_id");
+	ADD_PROPERTY(PropertyInfo(Variant::_RID, "collider_rid"), "", "get_collider_rid");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "collider_shape"), "", "get_collider_shape");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "collider_shape_index"), "", "get_collider_shape_index");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "collider_velocity"), "", "get_collider_velocity");

scene/2d/physics_body_2d.h

@@ -377,6 +377,7 @@ public:
 	Object *get_local_shape() const;
 	Object *get_collider() const;
 	ObjectID get_collider_id() const;
+	RID get_collider_rid() const;
 	Object *get_collider_shape() const;
 	int get_collider_shape_index() const;
 	Vector2 get_collider_velocity() const;

scene/3d/physics_body.cpp

@@ -1489,6 +1489,9 @@ ObjectID KinematicCollision::get_collider_id() const {
 
 	return collision.collider;
 }
+RID KinematicCollision::get_collider_rid() const {
+	return collision.collider_rid;
+}
 Object *KinematicCollision::get_collider_shape() const {
 
 	Object *collider = get_collider();
@@ -1524,6 +1527,7 @@ void KinematicCollision::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_local_shape"), &KinematicCollision::get_local_shape);
 	ClassDB::bind_method(D_METHOD("get_collider"), &KinematicCollision::get_collider);
 	ClassDB::bind_method(D_METHOD("get_collider_id"), &KinematicCollision::get_collider_id);
+	ClassDB::bind_method(D_METHOD("get_collider_rid"), &KinematicCollision::get_collider_rid);
 	ClassDB::bind_method(D_METHOD("get_collider_shape"), &KinematicCollision::get_collider_shape);
 	ClassDB::bind_method(D_METHOD("get_collider_shape_index"), &KinematicCollision::get_collider_shape_index);
 	ClassDB::bind_method(D_METHOD("get_collider_velocity"), &KinematicCollision::get_collider_velocity);
@@ -1536,6 +1540,7 @@ void KinematicCollision::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "local_shape"), "", "get_local_shape");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "collider"), "", "get_collider");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "collider_id"), "", "get_collider_id");
+	ADD_PROPERTY(PropertyInfo(Variant::_RID, "collider_rid"), "", "get_collider_rid");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "collider_shape"), "", "get_collider_shape");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "collider_shape_index"), "", "get_collider_shape_index");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "collider_velocity"), "", "get_collider_velocity");

scene/3d/physics_body.h

@@ -368,6 +368,7 @@ public:
 	Object *get_local_shape() const;
 	Object *get_collider() const;
 	ObjectID get_collider_id() const;
+	RID get_collider_rid() const;
 	Object *get_collider_shape() const;
 	int get_collider_shape_index() const;
 	Vector3 get_collider_velocity() const;