fix(Scripts/TheEye): Re-factor Kael'thas (#18272)

* restructuring base files and instance files

* small fix

* some fixes

* fix

* some fixes

* up until kael phase

* weapon despawn fix

* final for now

* some minor details

* fix weapon despawn

* fix by clearing validator

still has debug statements to check how far we get

* finalise with stop casting

* codestyle

* remove redundant delay

src/server/scripts/Outland/TempestKeep/Eye/instance_the_eye.cpp

@@ -20,6 +20,21 @@
 #include "SpellScriptLoader.h"
 #include "the_eye.h"
 
+ObjectData const creatureData[] =
+{
+    { NPC_KAELTHAS,         DATA_KAELTHAS       },
+    { NPC_THALADRED,        DATA_THALADRED      },
+    { NPC_LORD_SANGUINAR,   DATA_LORD_SANGUINAR },
+    { NPC_CAPERNIAN,        DATA_CAPERNIAN      },
+    { NPC_TELONICUS,        DATA_TELONICUS      },
+    { 0,                    0                   }
+};
+
+ObjectData const gameObjectData[] =
+{
+    { 0,               0                 }
+};
+
 class instance_the_eye : public InstanceMapScript
 {
 public:
@@ -30,6 +45,7 @@ public:
         instance_the_eye_InstanceMapScript(Map* map) : InstanceScript(map)
         {
             SetHeaders(DataHeader);
+            LoadObjectData(creatureData, gameObjectData);
             SetBossNumber(MAX_ENCOUNTER);
         }
 
@@ -66,6 +82,7 @@ public:
                     LordSanguinarGUID = creature->GetGUID();
                     break;
             }
+            InstanceScript::OnCreatureCreate(creature);
         }
 
         void OnGameObjectCreate(GameObject* gobject) override
@@ -98,14 +115,6 @@ public:
                     return AlarGUID;
                 case NPC_KAELTHAS:
                     return KaelthasGUID;
-                case DATA_KAEL_ADVISOR1:
-                    return ThaladredTheDarkenerGUID;
-                case DATA_KAEL_ADVISOR2:
-                    return LordSanguinarGUID;
-                case DATA_KAEL_ADVISOR3:
-                    return GrandAstromancerCapernianGUID;
-                case DATA_KAEL_ADVISOR4:
-                    return MasterEngineerTelonicusGUID;
             }
 
             return ObjectGuid::Empty;

src/server/scripts/Outland/TempestKeep/Eye/the_eye.h

@@ -36,10 +36,10 @@ enum EyeData
     DATA_KAELTHAS           = 3,
     MAX_ENCOUNTER           = 4,
 
-    DATA_KAEL_ADVISOR1      = 10,
+    DATA_THALADRED          = 10,
-    DATA_KAEL_ADVISOR2      = 11,
+    DATA_LORD_SANGUINAR     = 11,
-    DATA_KAEL_ADVISOR3      = 12,
+    DATA_CAPERNIAN          = 12,
-    DATA_KAEL_ADVISOR4      = 13
+    DATA_TELONICUS          = 13
 };
 
 enum EyeNPCs