From 5321cc20907e46510dd4c68ead6ef7081518fd4d Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Mon, 27 Dec 2021 15:45:44 -0500
Subject: [PATCH] Core/Movement: handle Resume/Pause on RandomMovementGenerator

Port From (https://github.com/TrinityCore/TrinityCore/commit/f21599dc5dab71cc0775d6ed5d2b2f6f2f4c6780)
---
 .../Movement/Generators/RandomMovement.cs     | 33 ++++++++++++++++---
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/Source/Game/Movement/Generators/RandomMovement.cs b/Source/Game/Movement/Generators/RandomMovement.cs
index d52820649..6202fb451 100644
--- a/Source/Game/Movement/Generators/RandomMovement.cs
+++ b/Source/Game/Movement/Generators/RandomMovement.cs
@@ -37,7 +37,7 @@ namespace Game.Movement
 
         public override void DoInitialize(Creature owner)
         {
-            RemoveFlag(MovementGeneratorFlags.InitializationPending | MovementGeneratorFlags.Transitory | MovementGeneratorFlags.Deactivated);
+            RemoveFlag(MovementGeneratorFlags.InitializationPending | MovementGeneratorFlags.Transitory | MovementGeneratorFlags.Deactivated | MovementGeneratorFlags.Paused);
             AddFlag(MovementGeneratorFlags.Initialized);
 
             if (owner == null || !owner.IsAlive())
@@ -64,6 +64,9 @@ namespace Game.Movement
             if (!owner || !owner.IsAlive())
                 return true;
 
+            if (HasFlag(MovementGeneratorFlags.Finalized | MovementGeneratorFlags.Paused))
+                return true;
+
             if (owner.HasUnitState(UnitState.NotMove) || owner.IsMovementPreventedByCasting())
             {
                 AddFlag(MovementGeneratorFlags.Interrupted);
@@ -76,10 +79,7 @@ namespace Game.Movement
 
             _timer.Update(diff);
             if ((HasFlag(MovementGeneratorFlags.SpeedUpdatePending) && !owner.MoveSpline.Finalized()) || (_timer.Passed() && owner.MoveSpline.Finalized()))
-            {
-                RemoveFlag(MovementGeneratorFlags.Transitory);
                 SetRandomLocation(owner);
-            }
 
             return true;
         }
@@ -103,6 +103,29 @@ namespace Game.Movement
             }
         }
 
+        public override void Pause(uint timer = 0)
+        {
+            if (timer != 0)
+            {
+                AddFlag(MovementGeneratorFlags.TimedPaused);
+                _timer.Reset(timer);
+                RemoveFlag(MovementGeneratorFlags.Paused);
+            }
+            else
+            {
+                AddFlag(MovementGeneratorFlags.Paused);
+                RemoveFlag(MovementGeneratorFlags.TimedPaused);
+            }
+        }
+
+        public override void Resume(uint overrideTimer = 0)
+        {
+            if (overrideTimer != 0)
+                _timer.Reset(overrideTimer);
+
+            RemoveFlag(MovementGeneratorFlags.Paused);
+        }
+
         void SetRandomLocation(Creature owner)
         {
             if (owner == null)
@@ -136,6 +159,8 @@ namespace Game.Movement
                 return;
             }
 
+            RemoveFlag(MovementGeneratorFlags.Transitory | MovementGeneratorFlags.TimedPaused);
+
             owner.AddUnitState(UnitState.RoamingMove);
 
             bool walk = true;