*Fix some bugs about movement.

--HG--
branch : trunk

src/game/Level3.cpp

@@ -5766,7 +5766,10 @@ bool ChatHandler::HandleMovegensCommand(const char* /*args*/)
     {
         MovementGenerator* mg = mm->GetMotionSlot(i);
         if(!mg)
+        {
             SendSysMessage("Empty");
+            continue;
+        }
         switch(mg->GetMovementGeneratorType())
         {
             case IDLE_MOTION_TYPE:          SendSysMessage(LANG_MOVEGENS_IDLE);          break;

src/game/MotionMaster.cpp

@@ -392,8 +392,11 @@ void MotionMaster::propagateSpeedChange()
         (*it)->unitSpeedChanged();
     }*/
     for(int i = 0; i <= i_top; ++i)
+    {
+        if(Impl[i])
             Impl[i]->unitSpeedChanged();
     }
+}
 
 MovementGeneratorType MotionMaster::GetCurrentMovementGeneratorType() const
 {

src/game/MotionMaster.h

@@ -68,7 +68,11 @@ class TRINITY_DLL_SPEC MotionMaster //: private std::stack<MovementGenerator *>
         void push(_Ty _Val) { ++i_top; Impl[i_top] = _Val; }
     public:
 
-        explicit MotionMaster(Unit *unit) : i_owner(unit), i_top(-1) {}
+        explicit MotionMaster(Unit *unit) : i_owner(unit), i_top(-1)
+        {
+            for(int i = 0; i < MAX_MOTION_SLOT; ++i)
+                Impl[i] = NULL;
+        }
         ~MotionMaster();
 
         void Initialize();

src/game/Unit.cpp

@@ -12865,7 +12865,7 @@ void Unit::SetFeared(bool apply)
     }
     else
     {
-        if(isAlive() && GetMotionMaster()->GetCurrentMovementGeneratorType() == FLEEING_MOTION_TYPE))
+        if(isAlive() && GetMotionMaster()->GetCurrentMovementGeneratorType() == FLEEING_MOTION_TYPE)
             GetMotionMaster()->MovementExpired();
     }
 

src/game/Unit.h

@@ -367,7 +367,7 @@ enum UnitState
     UNIT_STAT_ATTACK_PLAYER   = 0x00004000,
     UNIT_STAT_CASTING         = 0x00008000,
     UNIT_STAT_POSSESSED       = 0x00010000,
-    UNIT_STAT_MOVING          = (UNIT_STAT_ROAMING | UNIT_STAT_CHASE | UNIT_STAT_SEARCHING | UNIT_STAT_FLEEING),
+    UNIT_STAT_MOVING          = (UNIT_STAT_ROAMING | UNIT_STAT_CHASE | UNIT_STAT_SEARCHING | UNIT_STAT_FOLLOW),
     UNIT_STAT_LOST_CONTROL    = (UNIT_STAT_CONFUSED | UNIT_STAT_STUNNED | UNIT_STAT_FLEEING),
     UNIT_STAT_SIGHTLESS       = (UNIT_STAT_LOST_CONTROL | UNIT_STAT_CHASE | UNIT_STAT_SEARCHING),
     UNIT_STAT_CANNOT_AUTOATTACK     = (UNIT_STAT_LOST_CONTROL | UNIT_STAT_CASTING),