Core/Players: Implemented secondary stat diminishing

Port From (https://github.com/TrinityCore/TrinityCore/commit/cb47605235a49bb2c6065b2e6de69b657a9c905f)

Source/Game/DataStorage/CliDB.cs

@@ -150,6 +150,7 @@ namespace Game.DataStorage
             GarrSiteLevelStorage = ReadDB2<GarrSiteLevelRecord>("GarrSiteLevel.db2", HotfixStatements.SEL_GARR_SITE_LEVEL);
             GarrSiteLevelPlotInstStorage = ReadDB2<GarrSiteLevelPlotInstRecord>("GarrSiteLevelPlotInst.db2", HotfixStatements.SEL_GARR_SITE_LEVEL_PLOT_INST);
             GemPropertiesStorage = ReadDB2<GemPropertiesRecord>("GemProperties.db2", HotfixStatements.SEL_GEM_PROPERTIES);
+            GlobalCurveStorage = ReadDB2<GlobalCurveRecord>("GlobalCurve.db2", HotfixStatements.SEL_GLOBAL_CURVE);
             GlyphBindableSpellStorage = ReadDB2<GlyphBindableSpellRecord>("GlyphBindableSpell.db2", HotfixStatements.SEL_GLYPH_BINDABLE_SPELL);
             GlyphPropertiesStorage = ReadDB2<GlyphPropertiesRecord>("GlyphProperties.db2", HotfixStatements.SEL_GLYPH_PROPERTIES);
             GlyphRequiredSpecStorage = ReadDB2<GlyphRequiredSpecRecord>("GlyphRequiredSpec.db2", HotfixStatements.SEL_GLYPH_REQUIRED_SPEC);
@@ -508,6 +509,7 @@ namespace Game.DataStorage
         public static DB6Storage<GarrSiteLevelRecord> GarrSiteLevelStorage;
         public static DB6Storage<GarrSiteLevelPlotInstRecord> GarrSiteLevelPlotInstStorage;
         public static DB6Storage<GemPropertiesRecord> GemPropertiesStorage;
+        public static DB6Storage<GlobalCurveRecord> GlobalCurveStorage;
         public static DB6Storage<GlyphBindableSpellRecord> GlyphBindableSpellStorage;
         public static DB6Storage<GlyphPropertiesRecord> GlyphPropertiesStorage;
         public static DB6Storage<GlyphRequiredSpecRecord> GlyphRequiredSpecStorage;

Source/Game/DataStorage/DB2Manager.cs

@@ -1370,11 +1370,15 @@ namespace Game.DataStorage
             return _factionTeams.LookupByKey(faction);
         }
 
-        public HeirloomRecord GetHeirloomByItemId(uint itemId)
+        public uint GetGlobalCurveId(GlobalCurve globalCurveType)
         {
-            return _heirlooms.LookupByKey(itemId);
-        }
+            foreach (var globalCurveEntry in CliDB.GlobalCurveStorage.Values)
+                if (globalCurveEntry.Type == globalCurveType)
+                    return globalCurveEntry.CurveID;
 
+            return 0;
+        }
+        
         public List<uint> GetGlyphBindableSpells(uint glyphPropertiesId)
         {
             return _glyphBindableSpells.LookupByKey(glyphPropertiesId);
@@ -1385,6 +1389,11 @@ namespace Game.DataStorage
             return _glyphRequiredSpecs.LookupByKey(glyphPropertiesId);
         }
 
+        public HeirloomRecord GetHeirloomByItemId(uint itemId)
+        {
+            return _heirlooms.LookupByKey(itemId);
+        }
+
         public List<ItemBonusRecord> GetItemBonusList(uint bonusListId)
         {
             return _itemBonusLists.LookupByKey(bonusListId);

Source/Game/DataStorage/Structs/A_Records.cs

@@ -21,7 +21,7 @@ using System;
 
 namespace Game.DataStorage
 {
-    public class AchievementRecord
+    public sealed class AchievementRecord
     {
         public string Description;
         public string Title;

Source/Game/DataStorage/Structs/G_Records.cs

@@ -222,6 +222,13 @@ namespace Game.DataStorage
         public SocketColor Type;
     }
 
+    public sealed class GlobalCurveRecord
+    {
+        public uint Id;
+        public uint CurveID;
+        public GlobalCurve Type;
+    }
+
     public sealed class GlyphBindableSpellRecord
     {
         public uint Id;