Core/Conditions: Added conditions for automatic learning spells with SkillLineAbility::AcquireMethod = 4

Port From (https://github.com/TrinityCore/TrinityCore/commit/7eaa695581589e8cb9a277f9c13ad0e3daf669a7)

Source/Game/Achievements/AchievementManager.cs

@@ -1156,10 +1156,14 @@ namespace Game.Achievements
                 ++count;
             }
 
+            DB2HotfixGenerator<AchievementRecord> hotfixes = new(CliDB.AchievementStorage);
+
             // Once Bitten, Twice Shy (10 player) - Icecrown Citadel
-            AchievementRecord achievement1 = CliDB.AchievementStorage.LookupByKey(4539);
-            if (achievement1 != null)
-                achievement1.InstanceID = 631;    // Correct map requirement (currently has Ulduar); 6.0.3 note - it STILL has ulduar requirement
+            // Correct map requirement (currently has Ulduar); 6.0.3 note - it STILL has ulduar requirement
+            hotfixes.ApplyHotfix(4539, achievement =>
+            {
+                achievement.InstanceID = 631;
+            });
 
             Log.outInfo(LogFilter.ServerLoading, "Loaded {0} achievement references in {1} ms.", count, Time.GetMSTimeDiffToNow(oldMSTime));
         }

Source/Game/Conditions/Condition.cs

@@ -739,30 +739,22 @@ namespace Game.Conditions
 
     public class ConditionSourceInfo
     {
-        public ConditionSourceInfo(WorldObject target0, WorldObject target1 = null, WorldObject target2 = null)
-        {
-            mConditionTargets[0] = target0;
-            mConditionTargets[1] = target1;
-            mConditionTargets[2] = target2;
-            if (target0 != null)
-                mConditionMap = target0.GetMap();
-            else if (target1 != null)
-                mConditionMap = target1.GetMap();
-            else if (target2 != null)
-                mConditionMap = target2.GetMap();
-            else
-                mConditionMap = null;
-            mLastFailedCondition = null;
-        }
-
-        public ConditionSourceInfo(Map map)
-        {
-            mConditionMap = map;
-            mLastFailedCondition = null;
-        }
-
         public WorldObject[] mConditionTargets = new WorldObject[SharedConst.MaxConditionTargets]; // an array of targets available for conditions
         public Map mConditionMap;
         public Condition mLastFailedCondition;
+
+        public ConditionSourceInfo(WorldObject target0, WorldObject target1 = null, WorldObject target2 = null)
+        {
+            mConditionTargets = [target0, target1, target2];
+
+            var target = target0 ?? target1 ?? target2;
+            if (target != null)
+                mConditionMap = target.GetMap();
+        }
+
+        public ConditionSourceInfo(Map map) 
+        {
+            mConditionMap = map;
+        }
     }
-}
+}

Source/Game/Conditions/ConditionManager.cs

@@ -1120,6 +1120,21 @@ namespace Game
                     }
                     break;
                 }
+                case ConditionSourceType.SkillLineAbility:
+                {
+                    var skillLineAbility = CliDB.SkillLineAbilityStorage.LookupByKey(cond.SourceEntry);
+                    if (skillLineAbility == null)
+                    {
+                        Log.outError(LogFilter.Sql, $"{cond} SourceEntry in `condition` table, does not exist in SkillLineAbility.db2, ignoring.");
+                        return false;
+                    }
+                    if (skillLineAbility.AcquireMethod != SkillLineAbilityAcquireMethod.LearnedOrAutomaticCharLevel)
+                    {
+                        Log.outError(LogFilter.Sql, $"{cond} in SkillLineAbility.db2 does not have AcquireMethod = {SkillLineAbilityAcquireMethod.LearnedOrAutomaticCharLevel} (LearnedOrAutomaticCharLevel), ignoring.");
+                        return false;
+                    }
+                    break;
+                }
                 case ConditionSourceType.GossipMenu:
                 case ConditionSourceType.GossipMenuOption:
                 case ConditionSourceType.SmartEvent:
@@ -2712,8 +2727,8 @@ namespace Game
                 }
                 case WorldStateExpressionValueType.WorldState:
                 {
-                    uint worldStateId = buffer.ReadUInt32();
-                    value = Global.WorldStateMgr.GetValue((int)worldStateId, map);
+                    int worldStateId = buffer.ReadInt32();
+                    value = Global.WorldStateMgr.GetValue(worldStateId, map);
                     break;
                 }
                 case WorldStateExpressionValueType.Function:

Source/Game/DataStorage/DB2HotfixGenerator.cs

@@ -0,0 +1,52 @@
+// Copyright (c) CypherCore <http://github.com/CypherCore> All rights reserved.
+// Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Collections.Generic;
+
+namespace Game.DataStorage
+{
+    class DB2HotfixGenerator<T> where T : new()
+    {
+        DB6Storage<T> _storage;
+        uint _count;
+
+        public DB2HotfixGenerator(DB6Storage<T> storage)
+        {
+            _storage = storage;
+        }
+
+        public void ApplyHotfix(uint id, Action<T> fixer, bool notifyClient = false) { ApplyHotfix([id, 1], fixer, notifyClient); }
+
+        public uint GetAppliedHotfixesCount() { return _count; }
+
+        void ApplyHotfix(Span<uint> ids, Action<T> fixer, bool notifyClient)
+        {
+            foreach (uint id in ids)
+            {
+                T entry = _storage.LookupByKey(id);
+                if (entry == null)
+                {
+                    LogMissingRecord(_storage.GetName(), id);
+                    continue;
+                }
+
+                fixer(entry);
+                ++_count;
+
+                if (notifyClient)
+                    AddClientHotfix(_storage.GetTableHash(), id);
+            }
+        }
+
+        void LogMissingRecord(string storageName, uint recordId)
+        {
+            Log.outError(LogFilter.Server, $"Hotfix specified for {storageName} row id {recordId} which does not exist");
+        }
+
+        void AddClientHotfix(uint tableHash, uint recordId)
+        {
+            Global.DB2Mgr.InsertNewHotfix(tableHash, recordId);
+        }
+    }
+}

Source/Game/DataStorage/DB2Manager.cs

@@ -801,6 +801,7 @@ namespace Game.DataStorage
                 push.Records.Add(hotfixRecord);
                 push.AvailableLocalesMask |= hotfixRecord.AvailableLocalesMask;
 
+                _maxHotfixId = Math.Max(_maxHotfixId, id);
                 deletedRecords[(tableHash, recordId)] = status == HotfixRecord.Status.RecordRemoved;
 
                 ++count;
@@ -960,6 +961,20 @@ namespace Game.DataStorage
             return AnimationDataStorage.GetNumRows();
         }
 
+        public void InsertNewHotfix(uint tableHash, uint recordId)
+        {
+            HotfixRecord hotfixRecord = new();
+            hotfixRecord.TableHash = tableHash;
+            hotfixRecord.RecordID = (int)recordId;
+            hotfixRecord.ID.PushID = (int)++_maxHotfixId;
+            hotfixRecord.ID.UniqueID = RandomHelper.Rand32();
+            hotfixRecord.AvailableLocalesMask = 0xDFF;
+
+            HotfixPush push = _hotfixData[hotfixRecord.ID.PushID];
+            push.Records.Add(hotfixRecord);
+            push.AvailableLocalesMask |= hotfixRecord.AvailableLocalesMask;
+        }
+
         public List<uint> GetAreasForGroup(uint areaGroupId)
         {
             return _areaGroupMembers.LookupByKey(areaGroupId);
@@ -2479,6 +2494,8 @@ namespace Game.DataStorage
         public static byte[] HordeTaxiNodesMask;
         public static byte[] AllianceTaxiNodesMask;
         public static Dictionary<uint, TaxiPathNodeRecord[]> TaxiPathNodesByPath = new();
+
+        int _maxHotfixId;
     }
 
     class UiMapBounds

Source/Game/Entities/Player/Player.Spells.cs

@@ -1664,8 +1664,10 @@ namespace Game.Entities
                     case SkillLineAbilityAcquireMethod.AutomaticCharLevel:
                         break;
                     case SkillLineAbilityAcquireMethod.LearnedOrAutomaticCharLevel:
-                        if (!ability.HasFlag(SkillLineAbilityFlags.CanFallbackToLearnedOnSkillLearn) ||
-                            !spellInfo.MeetsFutureSpellPlayerCondition(this))
+                        // Treat as AutomaticCharLevel when conditions are met, otherwise treat it as Learned (trainer or quest)
+                        if (spellInfo.ShowFutureSpellPlayerConditionID != 0 && !ConditionManager.IsPlayerMeetingCondition(this, spellInfo.ShowFutureSpellPlayerConditionID))
+                            continue;
+                        if (!Global.ConditionMgr.IsObjectMeetingNotGroupedConditions(ConditionSourceType.SkillLineAbility, ability.Id, this))
                             continue;
                         break;
                     default:

Source/Game/Spells/SpellManager.cs

@@ -1655,10 +1655,10 @@ namespace Game.Entities
 
             mSkillLineAbilityMap.Clear();
 
-            foreach (var skill in CliDB.SkillLineAbilityStorage.Values)
-                mSkillLineAbilityMap.Add(skill.Spell, skill);
+            foreach (var (_, skillLineAbility) in CliDB.SkillLineAbilityStorage)
+                mSkillLineAbilityMap.Add(skillLineAbility.Spell, skillLineAbility);
 
-            Log.outInfo(LogFilter.ServerLoading, "Loaded {0} SkillLineAbility MultiMap Data in {1} ms", mSkillLineAbilityMap.Count, Time.GetMSTimeDiffToNow(oldMSTime));
+            Log.outInfo(LogFilter.ServerLoading, $"Loaded {mSkillLineAbilityMap.Count} SkillLineAbility MultiMap Data in {Time.GetMSTimeDiffToNow(oldMSTime)} ms");
         }
 
         public void LoadSpellPetAuras()
@@ -4515,15 +4515,19 @@ namespace Game.Entities
                     spellInfo.MaxAffectedTargets = 1;
             }
 
-            SummonPropertiesRecord properties = CliDB.SummonPropertiesStorage.LookupByKey(121);
-            if (properties != null)
+            DB2HotfixGenerator<SummonPropertiesRecord> summonProperties = new(CliDB.SummonPropertiesStorage);
+            summonProperties.ApplyHotfix(121, properties =>
+            {
                 properties.Title = SummonTitle.Totem;
-            properties = CliDB.SummonPropertiesStorage.LookupByKey(647); // 52893
-            if (properties != null)
+            });
+            summonProperties.ApplyHotfix(647, properties => // 52893
+            {
                 properties.Title = SummonTitle.Totem;
-            properties = CliDB.SummonPropertiesStorage.LookupByKey(628);
-            if (properties != null) // Hungry Plaguehound
+            });
+            summonProperties.ApplyHotfix(628, properties => // Hungry Plaguehound
+            {
                 properties.Control = SummonCategory.Pet;
+            });
 
             Log.outInfo(LogFilter.ServerLoading, "Loaded SpellInfo corrections in {0} ms", Time.GetMSTimeDiffToNow(oldMSTime));
         }