Core/Conditions: implement CONDITION_GAMEMASTER

Port From (https://github.com/TrinityCore/TrinityCore/commit/b26c2f5c130090554b6a723a540c42c88472d959)

Source/Framework/Constants/ConditionConst.cs

@@ -50,8 +50,8 @@ namespace Framework.Constants
         QuestComplete = 28,          // Quest_Id         0              0                  True If Player Has Quest_Id With All Objectives Complete, But Not Yet Rewarded
         NearCreature = 29,           // Creature Entry   Distance       0                  True If There Is A Creature Of Entry In Range
         NearGameobject = 30,         // Gameobject Entry Distance       0                  True If There Is A Gameobject Of Entry In Range
-        ObjectEntryGuid = 31,            // Typeid           Entry          0                  True If Object Is Type Typeid And The Entry Is 0 Or Matches Entry Of The Object
+        ObjectEntryGuidLegacy = 31,  // LEGACY_TypeID    Entry          Guid               True If Object Is Type Typeid And The Entry Is 0 Or Matches Entry Of The Object
-        TypeMask = 32,               // Typemask         0              0                  True If Object Is Type Object'S Typemask Matches Provided Typemask
+        TypeMaskLegacy = 32,         // LEGACY_TypeMask  0              0                  True If Object Is Type Object'S Typemask Matches Provided Typemask
         RelationTo = 33,             // Conditiontarget  Relationtype   0                  True If Object Is In Given Relation With Object Specified By Conditiontarget
         ReactionTo = 34,             // Conditiontarget  Rankmask       0                  True If Object'S Reaction Matches Rankmask Object Specified By Conditiontarget
         DistanceTo = 35,             // Conditiontarget  Distance       Comparisontype     True If Object And Conditiontarget Are Within Distance Given By Parameters
@@ -69,6 +69,9 @@ namespace Framework.Constants
         Queststate = 47,             // quest_id         state_mask     0                  true if player is in any of the provided quest states for the quest (1 = not taken, 2 = completed, 8 = in progress, 32 = failed, 64 = rewarded)
         ObjectiveComplete = 48,      // ID               0              0                  true if player has ID objective complete, but quest not yet rewarded
         DifficultyId = 49,           // Difficulty       0              0                  true is map has difficulty id
+        Gamemaster = 50,             // canBeGM          0              0                  true if player is gamemaster (or can be gamemaster)
+        ObjectEntryGuid = 51,        // TypeID           entry          guid               true if object is type TypeID and the entry is 0 or matches entry of the object or matches guid of the object
+        TypeMask = 52,               // TypeMask         0              0                  true if object is type object's TypeMask matches provided TypeMask
         Max
     }
 

Source/Game/Conditions/Condition.cs

@@ -382,6 +382,17 @@ namespace Game.Conditions
                     condMeets = (uint)obj.GetMap().GetDifficultyID() == ConditionValue1;
                     break;
                 }
+                case ConditionTypes.Gamemaster:
+                {
+                    if (player != null)
+                    {
+                        if (ConditionValue1 == 1)
+                            condMeets = player.CanBeGameMaster();
+                        else
+                            condMeets = player.IsGameMaster();
+                    }
+                    break;
+                }
                 default:
                     condMeets = false;
                     break;
@@ -439,6 +450,7 @@ namespace Game.Conditions
                 case ConditionTypes.PetType:
                 case ConditionTypes.Taxi:
                 case ConditionTypes.Queststate:
+                case ConditionTypes.Gamemaster:
                     mask |= GridMapTypeMask.Player;
                     break;
                 case ConditionTypes.UnitState:

Source/Game/Conditions/ConditionManager.cs

@@ -1610,6 +1610,7 @@ namespace Game
                 case ConditionTypes.InWater:
                 case ConditionTypes.Charmed:
                 case ConditionTypes.Taxi:
+                case ConditionTypes.Gamemaster:
                     break;
                 case ConditionTypes.DifficultyId:
                     if (!CliDB.DifficultyStorage.ContainsKey(cond.ConditionValue1))
@@ -2526,7 +2527,10 @@ namespace Game
             new ConditionTypeInfo("On Taxi",              false,false, false),
             new ConditionTypeInfo("Quest state mask",     true, true, false),
             new ConditionTypeInfo("Objective Complete",   true, false, false),
-            new ConditionTypeInfo("Map Difficulty",       true, false, false)
+            new ConditionTypeInfo("Map Difficulty",       true, false, false),
+            new ConditionTypeInfo("Is Gamemaster",        true, false, false),
+            new ConditionTypeInfo("Object Entry or Guid", true, true,  true),
+            new ConditionTypeInfo("Object TypeMask",      true, false, false),
         };
 
         public struct ConditionTypeInfo