Core/Instances: Instance lock rewrite (WIP)

Port From (https://github.com/TrinityCore/TrinityCore/commit/17665c929c3a9fb7fe75dd680648129bc1c1f874)

Source/Framework/Constants/CliDBConst.cs

@@ -1628,9 +1628,20 @@ namespace Framework.Constants
         Scenario = 5
     }
 
-    public enum MapDifficultyFlags : byte
+    public enum MapDifficultyFlags : int
     {
-        CannotExtend = 0x10
+        LimitToPlayersFromOneRealm = 0x01,
+        UseLootBasedLockInsteadOfInstanceLock = 0x02, // Lock to single encounters
+        LockedToSoloOwner = 0x04,
+        ResumeDungeonProgressBasedOnLockout = 0x08, // Mythic dungeons with this flag zone into leaders instance instead of always using a fresh one (Return to Karazhan, Operation: Mechagon)
+        DisableLockExtension = 0x10,
+    }
+
+    public enum MapDifficultyResetInterval : byte
+    {
+        Anytime = 0,
+        Daily = 1,
+        Weekly = 2
     }
 
     public enum AreaMountFlags

Source/Framework/Constants/MapConst.cs

@@ -71,6 +71,8 @@ namespace Framework.Constants
 
         public const string VMapMagic = "VMAP_4.B";
         public const float VMAPInvalidHeightValue = -200000.0f;
+
+        public const uint MaxDungeonEncountersPerBoss = 4;
     }
 
     public enum NewWorldReason
@@ -182,6 +184,7 @@ namespace Framework.Constants
         CannotEnterNotInRaid, // Target Instance Is A Raid Instance And The Player Is Not In A Raid Group
         CannotEnterCorpseInDifferentInstance, // Player Is Dead And Their Corpse Is Not In Target Instance
         CannotEnterInstanceBindMismatch, // Player'S Permanent Instance Save Is Not Compatible With Their Group'S Current Instance Bind
+        CannotEnterAlreadyCompletedEncounter, // Player is locked to encounter that wasn't defeated in the instance yet
         CannotEnterTooManyInstances, // Player Has Entered Too Many Instances Recently
         CannotEnterMaxPlayers, // Target Map Already Has The Maximum Number Of Players Allowed
         CannotEnterZoneInCombat, // A Boss Encounter Is Currently In Progress On The Target Map

Source/Framework/Constants/SharedConst.cs

@@ -943,9 +943,8 @@ namespace Framework.Constants
 
     public enum MapFlags
     {
-        CanToggleDifficulty = 0x0100,
-        FlexLocking = 0x8000, // All difficulties share completed encounters lock, not bound to a single instance id
-                              // heroic difficulty flag overrides it and uses instance id bind
+        CanToggleDifficulty = 0x100,
+        FlexLocking = 0x8000,
         Garrison = 0x4000000
     }
 

Source/Framework/Database/MySqlBase.cs

@@ -324,7 +324,7 @@ namespace Framework.Database
             }
         }
 
-        public void EscapeString(ref string str)
+        public static void EscapeString(ref string str)
         {
             str = MySqlHelper.EscapeString(str);
         }

Source/Framework/Logging/Log.cs

@@ -417,6 +417,7 @@ public enum LogFilter
     Garrison,
     Gameevent,
     Guild,
+    Instance,
     Lfg,
     Loot,
     MapsScript,