Core/Entities: Basic AreaTrigger System (#18035)

* Implemented AreaTrigger Templates
* Implemented AreaTrigger Splines
* Implemented SPELL_AURA_AREA_TRIGGER
* and many more

1 files changed, 44 insertions, 0 deletions

diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index 6c0b660fb0b..76a5f663f82 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -28,6 +28,7 @@
 #include "Weather.h"
 
 class AccountMgr;
+class AreaTrigger;
 class AuctionHouseObject;
 class Aura;
 class AuraScript;
@@ -836,6 +837,38 @@ class TC_GAME_API GroupScript : public ScriptObject
         virtual void OnDisband(Group* /*group*/) { }
 };
 
+class TC_GAME_API AreaTriggerEntityScript : public ScriptObject
+{
+    protected:
+
+        AreaTriggerEntityScript(const char* name);
+
+    public:
+        // Called when the AreaTrigger has just been initialized, just before added to map
+        virtual void OnInitialize(AreaTrigger* /*areaTrigger*/) { }
+
+        // Called when the AreaTrigger has just been created
+        virtual void OnCreate(AreaTrigger* /*areaTrigger*/) { }
+
+        // Called on each AreaTrigger update
+        virtual void OnUpdate(AreaTrigger* /*areaTrigger*/, uint32 /*diff*/) { }
+
+        // Called when the AreaTrigger reach splineIndex
+        virtual void OnSplineIndexReached(AreaTrigger* /*areaTrigger*/, int /*splineIndex*/) { }
+
+        // Called when the AreaTrigger reach its destination
+        virtual void OnDestinationReached(AreaTrigger* /*areaTrigger*/) { }
+
+        // Called when an unit enter the AreaTrigger
+        virtual void OnUnitEnter(AreaTrigger* /*areaTrigger*/, Unit* /*unit*/) { }
+
+        // Called when an unit exit the AreaTrigger, or when the AreaTrigger is removed
+        virtual void OnUnitExit(AreaTrigger* /*areaTrigger*/, Unit* /*unit*/) { }
+
+        // Called when the AreaTrigger is removed
+        virtual void OnRemove(AreaTrigger* /*areaTrigger*/) { }
+};
+
 class TC_GAME_API SceneScript : public ScriptObject
 {
     protected:
@@ -1133,6 +1166,17 @@ class TC_GAME_API ScriptMgr
         void ModifyMeleeDamage(Unit* target, Unit* attacker, uint32& damage);
         void ModifySpellDamageTaken(Unit* target, Unit* attacker, int32& damage);
 
+    public: /* AreaTriggerEntityScript */
+
+        void OnAreaTriggerEntityInitialize(AreaTrigger* areaTrigger);
+        void OnAreaTriggerEntityCreate(AreaTrigger* areaTrigger);
+        void OnAreaTriggerEntityUpdate(AreaTrigger* areaTrigger, uint32 diff);
+        void OnAreaTriggerEntitySplineIndexReached(AreaTrigger* areaTrigger, int splineIndex);
+        void OnAreaTriggerEntityDestinationReached(AreaTrigger* areaTrigger);
+        void OnAreaTriggerEntityUnitEnter(AreaTrigger* areaTrigger, Unit* unit);
+        void OnAreaTriggerEntityUnitExit(AreaTrigger* areaTrigger, Unit* unit);
+        void OnAreaTriggerEntityRemove(AreaTrigger* areaTrigger);
+
     public: /* SceneScript */
         void OnSceneStart(Player* player, uint32 sceneInstanceID, SceneTemplate const* sceneTemplate);
         void OnSceneTrigger(Player* player, uint32 sceneInstanceID, SceneTemplate const* sceneTemplate, std::string const& triggerName);