fix(Core/Misc): Memleaks fixes. Part I. (#5546)

src/server/game/Movement/MovementGenerators/RandomMovementGenerator.cpp

@@ -13,6 +13,15 @@
 #include "Spell.h"
 #include "Util.h"
 
+template<class T>
+RandomMovementGenerator<T>::~RandomMovementGenerator() { }
+
+template<>
+RandomMovementGenerator<Creature>::~RandomMovementGenerator()
+{
+    delete _pathGenerator;
+}
+
 template<>
 void RandomMovementGenerator<Creature>::_setRandomLocation(Creature* creature)
 {

src/server/game/Movement/MovementGenerators/RandomMovementGenerator.h

@@ -34,6 +34,7 @@ public:
         for (uint8 i = 0; i < RANDOM_POINTS_NUMBER; ++i)
             _validPointsVector[RANDOM_POINTS_NUMBER].push_back(i);
     }
+    ~RandomMovementGenerator();
 
     void _setRandomLocation(T*);
     void DoInitialize(T*);

src/server/game/Movement/MovementGenerators/TargetedMovementGenerator.h

@@ -29,7 +29,7 @@ class ChaseMovementGenerator : public MovementGeneratorMedium<T, ChaseMovementGe
 public:
     ChaseMovementGenerator(Unit* target, std::optional<ChaseRange> range = {}, std::optional<ChaseAngle> angle = {})
         : TargetedMovementGeneratorBase(target), i_path(nullptr), i_recheckDistance(0), i_recalculateTravel(true), _range(range), _angle(angle) {}
-    ~ChaseMovementGenerator() {}
+    ~ChaseMovementGenerator() { delete i_path; }
 
     MovementGeneratorType GetMovementGeneratorType() { return CHASE_MOTION_TYPE; }
 
@@ -65,7 +65,7 @@ class FollowMovementGenerator : public MovementGeneratorMedium<T, FollowMovement
 public:
     FollowMovementGenerator(Unit* target, float range, ChaseAngle angle)
         : TargetedMovementGeneratorBase(target), i_path(nullptr), i_recheckDistance(0), i_recalculateTravel(true), _range(range), _angle(angle) {}
-    ~FollowMovementGenerator() {}
+    ~FollowMovementGenerator() { delete i_path; }
 
     MovementGeneratorType GetMovementGeneratorType() { return FOLLOW_MOTION_TYPE; }