From 264d4e1d30debcf6feacee3d29982875672a7bbe Mon Sep 17 00:00:00 2001
From: Treeston <treeston.mmoc@gmail.com>
Date: Wed, 14 Feb 2018 02:23:55 +0100
Subject: Entities/GO: Add forceRespawnTimer support to DespawnOrUnsummon. Use
 it in SAI.

---
 src/server/game/AI/SmartScripts/SmartScript.cpp    | 18 +++++++-----------
 src/server/game/AI/SmartScripts/SmartScriptMgr.h   |  1 +
 src/server/game/Entities/GameObject/GameObject.cpp | 14 +++++++++-----
 src/server/game/Entities/GameObject/GameObject.h   |  3 ++-
 4 files changed, 19 insertions(+), 17 deletions(-)

(limited to 'src')

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index b3e7c9d5e5c..2bef3d3ef7b 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -1032,22 +1032,18 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
         case SMART_ACTION_FORCE_DESPAWN:
         {
             // there should be at least a world update tick before despawn, to avoid breaking linked actions
-            int32 const respawnDelay = std::max<int32>(e.action.forceDespawn.delay, 1);
+            Milliseconds despawnDelay(e.action.forceDespawn.delay);
+            if (despawnDelay <= 0ms)
+                despawnDelay = 1ms;
+
+            Seconds forceRespawnTimer(e.action.forceDespawn.forceRespawnTimer);
 
             for (WorldObject* target : targets)
             {
                 if (Creature* creature = target->ToCreature())
-                {
-                    if (SmartAI* smartAI = CAST_AI(SmartAI, creature->AI()))
-                    {
-                        smartAI->SetDespawnTime(respawnDelay);
-                        smartAI->StartDespawn();
-                    }
-                    else
-                        creature->DespawnOrUnsummon(respawnDelay);
-                }
+                    creature->DespawnOrUnsummon(despawnDelay, forceRespawnTimer);
                 else if (GameObject* goTarget = target->ToGameObject())
-                    goTarget->DespawnOrUnsummon(Milliseconds(respawnDelay));
+                    goTarget->DespawnOrUnsummon(despawnDelay, forceRespawnTimer);
             }
             break;
         }
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index 15ca8f11f7f..2eeeece124c 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -776,6 +776,7 @@ struct SmartAction
         struct
         {
             uint32 delay;
+            uint32 forceRespawnTimer;
         } forceDespawn;
 
         struct
diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index 00e3e63ecff..7e55bb33c0c 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -411,7 +411,7 @@ void GameObject::Update(uint32 diff)
         if (m_despawnDelay > diff)
             m_despawnDelay -= diff;
         else
-            DespawnOrUnsummon();
+            DespawnOrUnsummon(0ms, m_despawnRespawnTime);
     }
 
     switch (m_lootState)
@@ -826,17 +826,21 @@ void GameObject::AddUniqueUse(Player* player)
     m_unique_users.insert(player->GetGUID());
 }
 
-void GameObject::DespawnOrUnsummon(Milliseconds const& delay)
+void GameObject::DespawnOrUnsummon(Milliseconds const& delay, Seconds const& forceRespawnTime)
 {
-    if (delay > Milliseconds::zero())
+    if (delay > 0ms)
     {
         if (!m_despawnDelay || m_despawnDelay > delay.count())
+        {
             m_despawnDelay = delay.count();
+            m_despawnRespawnTime = forceRespawnTime;
+        }
     }
     else
     {
-        if (m_goData && m_respawnDelayTime)
-            SaveRespawnTime(m_respawnDelayTime);
+        uint32 const respawnDelay = (forceRespawnTime > 0s) ? forceRespawnTime.count() : m_respawnDelayTime;
+        if (m_goData && respawnDelay)
+            SaveRespawnTime(respawnDelay);
         Delete();
     }
 }
diff --git a/src/server/game/Entities/GameObject/GameObject.h b/src/server/game/Entities/GameObject/GameObject.h
index 840d19a3510..e28f8973535 100644
--- a/src/server/game/Entities/GameObject/GameObject.h
+++ b/src/server/game/Entities/GameObject/GameObject.h
@@ -151,7 +151,7 @@ class TC_GAME_API GameObject : public WorldObject, public GridObject<GameObject>
         void SetSpawnedByDefault(bool b) { m_spawnedByDefault = b; }
         uint32 GetRespawnDelay() const { return m_respawnDelayTime; }
         void Refresh();
-        void DespawnOrUnsummon(Milliseconds const& delay = 0ms);
+        void DespawnOrUnsummon(Milliseconds const& delay = 0ms, Seconds const& forceRespawnTime = 0s);
         void Delete();
         void getFishLoot(Loot* loot, Player* loot_owner);
         void getFishLootJunk(Loot* loot, Player* loot_owner);
@@ -293,6 +293,7 @@ class TC_GAME_API GameObject : public WorldObject, public GridObject<GameObject>
         time_t      m_respawnTime;                          // (secs) time of next respawn (or despawn if GO have owner()),
         uint32      m_respawnDelayTime;                     // (secs) if 0 then current GO state no dependent from timer
         uint32      m_despawnDelay;
+        Seconds     m_despawnRespawnTime;                   // override respawn time after delayed despawn
         LootState   m_lootState;
         ObjectGuid  m_lootStateUnitGUID;                    // GUID of the unit passed with SetLootState(LootState, Unit*)
         bool        m_spawnedByDefault;
-- 
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