Allow kinematic bodies without shapes to still move, fixes #24775

servers/physics/space_sw.cpp

@@ -717,6 +717,11 @@ bool SpaceSW::test_body_motion(BodySW *p_body, const Transform &p_from, const Ve
 	}
 
 	if (!shapes_found) {
+		if (r_result) {
+			*r_result = PhysicsServer::MotionResult();
+			r_result->motion = p_motion;
+		}
+
 		return false;
 	}
 

servers/physics_2d/space_2d_sw.cpp

@@ -704,6 +704,10 @@ bool Space2DSW::test_body_motion(Body2DSW *p_body, const Transform2D &p_from, co
 	}
 
 	if (!shapes_found) {
+		if (r_result) {
+			*r_result = Physics2DServer::MotionResult();
+			r_result->motion = p_motion;
+		}
 		return false;
 	}
 

servers/physics_2d_server.h

@@ -504,6 +504,12 @@ public:
 		RID collider;
 		int collider_shape;
 		Variant collider_metadata;
+
+		MotionResult() {
+			collision_local_shape = 0;
+			collider_shape = 0;
+			collider_id = 0;
+		}
 	};
 
 	virtual bool body_test_motion(RID p_body, const Transform2D &p_from, const Vector2 &p_motion, bool p_infinite_inertia, float p_margin = 0.001, MotionResult *r_result = NULL, bool p_exclude_raycast_shapes = true) = 0;

servers/physics_server.h

@@ -492,6 +492,11 @@ public:
 		RID collider;
 		int collider_shape;
 		Variant collider_metadata;
+		MotionResult() {
+			collision_local_shape = 0;
+			collider_id = 0;
+			collider_shape = 0;
+		}
 	};
 
 	virtual bool body_test_motion(RID p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, MotionResult *r_result = NULL, bool p_exclude_raycast_shapes = true) = 0;