mobility, buildings: Allow mobility models to be copied

src/buildings/model/random-walk-2d-outdoor-mobility-model.h

@@ -61,6 +61,12 @@ class RandomWalk2dOutdoorMobilityModel : public MobilityModel
         MODE_TIME
     };
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<RandomWalk2dOutdoorMobilityModel>(*this);
+    }
+
   private:
     /**
      * @brief Performs the rebound of the node if it reaches a boundary

src/mobility/model/constant-acceleration-mobility-model.h

@@ -33,6 +33,13 @@ class ConstantAccelerationMobilityModel : public MobilityModel
      */
     ConstantAccelerationMobilityModel();
     ~ConstantAccelerationMobilityModel() override;
+
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<ConstantAccelerationMobilityModel>(*this);
+    }
+
     /**
      * Set the model's velocity and acceleration
      * @param velocity the velocity (m/s)

src/mobility/model/constant-position-mobility-model.h

@@ -33,6 +33,12 @@ class ConstantPositionMobilityModel : public MobilityModel
     ConstantPositionMobilityModel();
     ~ConstantPositionMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<ConstantPositionMobilityModel>(*this);
+    }
+
   private:
     Vector DoGetPosition() const override;
     void DoSetPosition(const Vector& position) override;

src/mobility/model/constant-velocity-mobility-model.h

@@ -39,6 +39,12 @@ class ConstantVelocityMobilityModel : public MobilityModel
     ConstantVelocityMobilityModel();
     ~ConstantVelocityMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<ConstantVelocityMobilityModel>(*this);
+    }
+
     /**
      * @param speed the new speed to set.
      *

src/mobility/model/gauss-markov-mobility-model.h

@@ -78,6 +78,12 @@ class GaussMarkovMobilityModel : public MobilityModel
     GaussMarkovMobilityModel();
     ~GaussMarkovMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<GaussMarkovMobilityModel>(*this);
+    }
+
   private:
     /**
      * Initialize the model and calculate new velocity, direction, and pitch

src/mobility/model/geocentric-constant-position-mobility-model.h

@@ -37,6 +37,12 @@ class GeocentricConstantPositionMobilityModel : public MobilityModel
     GeocentricConstantPositionMobilityModel() = default;
     ~GeocentricConstantPositionMobilityModel() override = default;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<GeocentricConstantPositionMobilityModel>(*this);
+    }
+
     /**
      * @brief Computes elevation angle between a ground terminal and a HAPS/Satellite.
      * After calculating the plane perpendicular to a cartesian position vector,

src/mobility/model/hierarchical-mobility-model.h

@@ -54,6 +54,12 @@ class HierarchicalMobilityModel : public MobilityModel
 
     HierarchicalMobilityModel();
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<HierarchicalMobilityModel>(*this);
+    }
+
     /**
      * @return the child mobility model.
      *

src/mobility/model/mobility-model.h

@@ -37,6 +37,15 @@ class MOBILITY_EXPORT MobilityModel : public Object
     MobilityModel();
     ~MobilityModel() override = 0;
 
+    /**
+     * Copy function allows one to copy the underlying MobilityModel
+     * from a MobilityModel pointer, by calling each children Copy implementation.
+     * This is primarily used by wraparound models for the spectrum channel.
+     *
+     * @return a copy of the current mobility model
+     */
+    virtual Ptr<MobilityModel> Copy() const = 0;
+
     /**
      * @return the current position
      */

src/mobility/model/random-direction-2d-mobility-model.h

@@ -42,6 +42,12 @@ class RandomDirection2dMobilityModel : public MobilityModel
     RandomDirection2dMobilityModel();
     ~RandomDirection2dMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<RandomDirection2dMobilityModel>(*this);
+    }
+
   private:
     /**
      * Set a new direction and speed

src/mobility/model/random-walk-2d-mobility-model.h

@@ -48,6 +48,12 @@ class RandomWalk2dMobilityModel : public MobilityModel
 
     ~RandomWalk2dMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<RandomWalk2dMobilityModel>(*this);
+    }
+
     /** An enum representing the different working modes of this module. */
     enum Mode
     {

src/mobility/model/random-waypoint-mobility-model.h

@@ -50,6 +50,12 @@ class RandomWaypointMobilityModel : public MobilityModel
 
     ~RandomWaypointMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<RandomWaypointMobilityModel>(*this);
+    }
+
   protected:
     void DoInitialize() override;
 

src/mobility/model/steady-state-random-waypoint-mobility-model.h

@@ -53,6 +53,12 @@ class SteadyStateRandomWaypointMobilityModel : public MobilityModel
     SteadyStateRandomWaypointMobilityModel();
     ~SteadyStateRandomWaypointMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<SteadyStateRandomWaypointMobilityModel>(*this);
+    }
+
   protected:
     void DoInitialize() override;
 

src/mobility/model/waypoint-mobility-model.h

@@ -89,6 +89,12 @@ class WaypointMobilityModel : public MobilityModel
     WaypointMobilityModel();
     ~WaypointMobilityModel() override;
 
+    // Inherited from MobilityModel
+    Ptr<MobilityModel> Copy() const override
+    {
+        return CreateObject<WaypointMobilityModel>(*this);
+    }
+
     /**
      * @param waypoint waypoint to append to the object path.
      *