Core/Misc: Add static versions of GetGUID and ToX methods to Object. The static versions return Empty/nullptr for null objects.

(cherry picked from commit b3ee407707db01a5bc49f544a56b1db381687f65)

1 files changed, 26 insertions, 2 deletions

diff --git a/src/server/game/Entities/Object/Object.h b/src/server/game/Entities/Object/Object.h
index a609595cbc3..df65dc7665c 100644
--- a/src/server/game/Entities/Object/Object.h
+++ b/src/server/game/Entities/Object/Object.h
@@ -48,6 +48,7 @@ class Map;
 class Object;
 class Player;
 class Scenario;
+class SceneObject;
 class Spell;
 class SpellCastTargets;
 class SpellEffectInfo;
@@ -151,6 +152,7 @@ class TC_GAME_API Object
         virtual void AddToWorld();
         virtual void RemoveFromWorld();
 
+        static ObjectGuid GetGUID(Object const* o) { return o ? o->GetGUID() : ObjectGuid::Empty; }
         ObjectGuid const& GetGUID() const { return m_guid; }
         uint32 GetEntry() const { return m_objectData->EntryID; }
         void SetEntry(uint32 entry) { SetUpdateFieldValue(m_values.ModifyValue(&Object::m_objectData).ModifyValue(&UF::ObjectData::EntryID), entry); }
@@ -189,36 +191,58 @@ class TC_GAME_API Object
         void BuildFieldsUpdate(Player*, UpdateDataMapType &) const;
 
         inline bool IsPlayer() const { return GetTypeId() == TYPEID_PLAYER; }
+        static Player* ToPlayer(Object* o) { return o ? o->ToPlayer() : nullptr; }
+        static Player const* ToPlayer(Object const* o) { return o ? o->ToPlayer() : nullptr; }
         Player* ToPlayer() { if (IsPlayer()) return reinterpret_cast<Player*>(this); else return nullptr; }
         Player const* ToPlayer() const { if (IsPlayer()) return reinterpret_cast<Player const*>(this); else return nullptr; }
 
         inline bool IsCreature() const { return GetTypeId() == TYPEID_UNIT; }
+        static Creature* ToCreature(Object* o) { return o ? o->ToCreature() : nullptr; }
+        static Creature const* ToCreature(Object const* o) { return o ? o->ToCreature() : nullptr; }
         Creature* ToCreature() { if (IsCreature()) return reinterpret_cast<Creature*>(this); else return nullptr; }
         Creature const* ToCreature() const { if (IsCreature()) return reinterpret_cast<Creature const*>(this); else return nullptr; }
 
         inline bool IsUnit() const { return isType(TYPEMASK_UNIT); }
+        static Unit* ToUnit(Object* o) { return o ? o->ToUnit() : nullptr; }
+        static Unit const* ToUnit(Object const* o) { return o ? o->ToUnit() : nullptr; }
         Unit* ToUnit() { if (IsUnit()) return reinterpret_cast<Unit*>(this); else return nullptr; }
         Unit const* ToUnit() const { if (IsUnit()) return reinterpret_cast<Unit const*>(this); else return nullptr; }
 
         inline bool IsGameObject() const { return GetTypeId() == TYPEID_GAMEOBJECT; }
+        static GameObject* ToGameObject(Object* o) { return o ? o->ToGameObject() : nullptr; }
+        static GameObject const* ToGameObject(Object const* o) { return o ? o->ToGameObject() : nullptr; }
         GameObject* ToGameObject() { if (IsGameObject()) return reinterpret_cast<GameObject*>(this); else return nullptr; }
         GameObject const* ToGameObject() const { if (IsGameObject()) return reinterpret_cast<GameObject const*>(this); else return nullptr; }
 
         inline bool IsCorpse() const { return GetTypeId() == TYPEID_CORPSE; }
+        static Corpse* ToCorpse(Object* o) { return o ? o->ToCorpse() : nullptr; }
+        static Corpse const* ToCorpse(Object const* o) { return o ? o->ToCorpse() : nullptr; }
         Corpse* ToCorpse() { if (IsCorpse()) return reinterpret_cast<Corpse*>(this); else return nullptr; }
         Corpse const* ToCorpse() const { if (IsCorpse()) return reinterpret_cast<Corpse const*>(this); else return nullptr; }
 
         inline bool IsDynObject() const { return GetTypeId() == TYPEID_DYNAMICOBJECT; }
+        static DynamicObject* ToDynObject(Object* o) { return o ? o->ToDynObject() : nullptr; }
+        static DynamicObject const* ToDynObject(Object const* o) { return o ? o->ToDynObject() : nullptr; }
         DynamicObject* ToDynObject() { if (IsDynObject()) return reinterpret_cast<DynamicObject*>(this); else return nullptr; }
         DynamicObject const* ToDynObject() const { if (IsDynObject()) return reinterpret_cast<DynamicObject const*>(this); else return nullptr; }
 
         inline bool IsAreaTrigger() const { return GetTypeId() == TYPEID_AREATRIGGER; }
+        static AreaTrigger* ToAreaTrigger(Object* o) { return o ? o->ToAreaTrigger() : nullptr; }
+        static AreaTrigger const* ToAreaTrigger(Object const* o) { return o ? o->ToAreaTrigger() : nullptr; }
         AreaTrigger* ToAreaTrigger() { if (IsAreaTrigger()) return reinterpret_cast<AreaTrigger*>(this); else return nullptr; }
         AreaTrigger const* ToAreaTrigger() const { if (IsAreaTrigger()) return reinterpret_cast<AreaTrigger const*>(this); else return nullptr; }
 
+        inline bool IsSceneObject() const { return GetTypeId() == TYPEID_SCENEOBJECT; }
+        static SceneObject* ToSceneObject(Object* o) { return o ? o->ToSceneObject() : nullptr; }
+        static SceneObject const* ToSceneObject(Object const* o) { return o ? o->ToSceneObject() : nullptr; }
+        SceneObject* ToSceneObject() { if (IsSceneObject()) return reinterpret_cast<SceneObject*>(this); else return nullptr; }
+        SceneObject const* ToSceneObject() const { if (IsSceneObject()) return reinterpret_cast<SceneObject const*>(this); else return nullptr; }
+
         inline bool IsConversation() const { return GetTypeId() == TYPEID_CONVERSATION; }
-        Conversation* ToConversation() { if (GetTypeId() == TYPEID_CONVERSATION) return reinterpret_cast<Conversation*>(this); else return nullptr; }
-        Conversation const* ToConversation() const { if (GetTypeId() == TYPEID_CONVERSATION) return reinterpret_cast<Conversation const*>(this); else return nullptr; }
+        static Conversation* ToConversation(Object* o) { return o ? o->ToConversation() : nullptr; }
+        static Conversation const* ToConversation(Object const* o) { return o ? o->ToConversation() : nullptr; }
+        Conversation* ToConversation() { if (IsConversation()) return reinterpret_cast<Conversation*>(this); else return nullptr; }
+        Conversation const* ToConversation() const { if (IsConversation()) return reinterpret_cast<Conversation const*>(this); else return nullptr; }
 
         UF::UpdateFieldHolder m_values;
         UF::UpdateField<UF::ObjectData, 0, TYPEID_OBJECT> m_objectData;