Misc Fixes

Framework/Realm/RealmManager.cs

@@ -25,6 +25,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Net;
 using System.Timers;
+using System.Collections.Concurrent;
 
 public class RealmManager : Singleton<RealmManager>
 {
@@ -48,14 +49,8 @@ public class RealmManager : Singleton<RealmManager>
     void UpdateRealm(Realm realm)
     {
         var oldRealm = _realms.LookupByKey(realm.Id);
-        if (oldRealm == null)
-        {
-            _realms[realm.Id] = realm;
-            return;
-        }
-
-        if (oldRealm == realm)
-            return;
+        if (oldRealm != null && oldRealm == realm)
+                return;
 
         _realms[realm.Id] = realm;
     }
@@ -323,7 +318,7 @@ public class RealmManager : Singleton<RealmManager>
     public List<Realm> GetRealms() { return _realms.Values.ToList(); }
     List<string> GetSubRegions() { return _subRegions; }
 
-    Dictionary<RealmHandle, Realm> _realms = new Dictionary<RealmHandle, Realm>();
+    ConcurrentDictionary<RealmHandle, Realm> _realms = new ConcurrentDictionary<RealmHandle, Realm>();
     List<string> _subRegions = new List<string>();
     Timer _updateTimer;
 }

Game/AI/CoreAI/CreatureAI.cs

@@ -432,6 +432,9 @@ namespace Game.AI
 
         public virtual void MovementInform(MovementGeneratorType type, uint id) { }
 
+        // Called when a spell cast gets interrupted
+        public virtual void OnSpellCastInterrupt(SpellInfo spell) { }
+
         // Called at reaching home after evade
         public virtual void JustReachedHome() { }
         

Game/Arenas/ArenaTeam.cs

@@ -718,6 +718,10 @@ namespace Game.Arenas
 
             foreach (var member in Members)
             {
+                // Save the effort and go
+                if (member.WeekGames == 0)
+                    continue;
+
                 stmt = DB.Characters.GetPreparedStatement(CharStatements.UPD_ARENA_TEAM_MEMBER);
                 stmt.AddValue(0, member.PersonalRating);
                 stmt.AddValue(1, member.WeekGames);
@@ -738,8 +742,12 @@ namespace Game.Arenas
             DB.Characters.CommitTransaction(trans);
         }
 
-        public void FinishWeek()
+        public bool FinishWeek()
         {
+            // No need to go further than this
+            if (stats.WeekGames == 0)
+                return false;
+
             // Reset team stats
             stats.WeekGames = 0;
             stats.WeekWins = 0;
@@ -750,6 +758,8 @@ namespace Game.Arenas
                 member.WeekGames = 0;
                 member.WeekWins = 0;
             }
+
+            return true;
         }
 
         public bool IsFighting()

Game/Chat/Commands/MiscCommands.cs

@@ -2055,19 +2055,20 @@ namespace Game.Chat
             // melee damage by specific school
             if (string.IsNullOrEmpty(spellStr))
             {
-                uint absorb = 0;
-                uint resist = 0;
+                Player attacker = handler.GetSession().GetPlayer();
+                DamageInfo dmgInfo = new DamageInfo(attacker, target, damage_, null, schoolmask, DamageEffectType.SpellDirect, WeaponAttackType.BaseAttack);
+                attacker.CalcAbsorbResist(dmgInfo);
 
-                handler.GetSession().GetPlayer().CalcAbsorbResist(target, schoolmask, DamageEffectType.SpellDirect, damage_, ref absorb, ref resist);
-
-                if (damage_ <= absorb + resist)
+                if (dmgInfo.GetDamage() == 0)
                     return true;
 
-                damage_ -= absorb + resist;
+                damage_ = dmgInfo.GetDamage();
 
-                handler.GetSession().GetPlayer().DealDamageMods(target, ref damage_, ref absorb);
-                handler.GetSession().GetPlayer().DealDamage(target, damage_, null, DamageEffectType.Direct, schoolmask, null, false);
-                handler.GetSession().GetPlayer().SendAttackStateUpdate(HitInfo.AffectsVictim, target, schoolmask, damage_, absorb, resist, VictimState.Hit, 0);
+                uint absorb = dmgInfo.GetAbsorb();
+                uint resist = dmgInfo.GetResist();
+                attacker.DealDamageMods(target, ref damage_, ref absorb);
+                attacker.DealDamage(target, damage_, null, DamageEffectType.Direct, schoolmask, null, false);
+                attacker.SendAttackStateUpdate(HitInfo.AffectsVictim, target, schoolmask, damage_, absorb, resist, VictimState.Hit, 0);
                 return true;
             }
 

Game/Entities/Player/Player.Quest.cs

@@ -1045,7 +1045,10 @@ namespace Game.Entities
             if (quest.RewardSpell > 0)
             {
                 SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(quest.RewardSpell);
-                if (questGiver.isTypeMask(TypeMask.Unit) && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.LearnSpell) && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.CreateItem) && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.ApplyAura))
+                if (questGiver && questGiver.isTypeMask(TypeMask.Unit) 
+                    && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.LearnSpell) 
+                    && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.CreateItem) 
+                    && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.ApplyAura))
                 {
                     Unit unit = questGiver.ToUnit();
                     if (unit)
@@ -1061,7 +1064,9 @@ namespace Game.Entities
                     if (quest.RewardDisplaySpell[i] > 0)
                     {
                         SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(quest.RewardDisplaySpell[i]);
-                        if (questGiver.IsTypeId(TypeId.Unit) && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.LearnSpell) && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.CreateItem))
+                        if (questGiver && questGiver.IsTypeId(TypeId.Unit)
+                            && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.LearnSpell)
+                            && !spellInfo.HasEffect(Difficulty.None, SpellEffectName.CreateItem))
                         {
                             Unit unit = questGiver.ToUnit();
                             if (unit)
@@ -2639,7 +2644,10 @@ namespace Game.Entities
         public void SetQuestObjectiveData(QuestObjective objective, int data)
         {
             if (objective.StorageIndex < 0)
+            {
                 Log.outError(LogFilter.Player, "SetQuestObjectiveData: called for quest {0} with invalid StorageIndex {1} (objective data is not tracked)", objective.QuestID, objective.StorageIndex);
+                return;
+            }
 
             var status = m_QuestStatus.LookupByKey(objective.QuestID);
             if (status == null)

Game/Entities/Player/Player.cs

@@ -4157,12 +4157,17 @@ namespace Game.Entities
             // Absorb, resist some environmental damage type
             uint absorb = 0;
             uint resist = 0;
-            if (type == EnviromentalDamage.Lava)
-                CalcAbsorbResist(this, SpellSchoolMask.Fire, DamageEffectType.Direct, damage, ref absorb, ref resist);
-            else if (type == EnviromentalDamage.Slime)
-                CalcAbsorbResist(this, SpellSchoolMask.Nature, DamageEffectType.Direct, damage, ref absorb, ref resist);
-
-            damage -= absorb + resist;
+            switch (type)
+            {
+                case EnviromentalDamage.Lava:
+                case EnviromentalDamage.Slime:
+                    DamageInfo dmgInfo = new DamageInfo(this, this, damage, null, type == EnviromentalDamage.Lava ? SpellSchoolMask.Fire : SpellSchoolMask.Nature, DamageEffectType.Direct, WeaponAttackType.BaseAttack);
+                    CalcAbsorbResist(dmgInfo);
+                    absorb = dmgInfo.GetAbsorb();
+                    resist = dmgInfo.GetResist();
+                    damage = dmgInfo.GetDamage();
+                    break;
+            }
 
             DealDamageMods(this, ref damage, ref absorb);
 

Game/Entities/Unit/Unit.Combat.cs

@@ -844,9 +844,9 @@ namespace Game.Entities
                         damage = SpellDamageBonusTaken(caster, i_spellProto, damage, DamageEffectType.SpellDirect, dmgShield.GetSpellEffectInfo());
                     }
 
-                    uint absorb = 0;
-                    uint resist = 0;
-                    victim.CalcAbsorbResist(this, i_spellProto.SchoolMask, DamageEffectType.SpellDirect, damage, ref absorb, ref resist, i_spellProto);
+                    DamageInfo damageInfo1 = new DamageInfo(this, victim, damage, i_spellProto, i_spellProto.GetSchoolMask(), DamageEffectType.SpellDirect, WeaponAttackType.BaseAttack);
+                    victim.CalcAbsorbResist(damageInfo1);
+                    damage = damageInfo1.GetDamage();
                     // No Unit.CalcAbsorbResist here - opcode doesn't send that data - this damage is probably not affected by that
                     victim.DealDamageMods(this, ref damage);
 
@@ -857,7 +857,7 @@ namespace Game.Entities
                     damageShield.TotalDamage = damage;
                     damageShield.OverKill = (uint)Math.Max(damage - GetHealth(), 0);
                     damageShield.SchoolMask = (uint)i_spellProto.SchoolMask;
-                    damageShield.LogAbsorbed = absorb;
+                    damageShield.LogAbsorbed = damageInfo1.GetAbsorb();
 
                     victim.DealDamage(this, damage, null, DamageEffectType.SpellDirect, i_spellProto.GetSchoolMask(), i_spellProto, true);
                     damageShield.LogData.Initialize(this);
@@ -1924,15 +1924,17 @@ namespace Game.Entities
             {
                 damageInfo.procVictim |= ProcFlags.TakenDamage;
                 // Calculate absorb & resists
-                CalcAbsorbResist(damageInfo.target, (SpellSchoolMask)damageInfo.damageSchoolMask, DamageEffectType.Direct, damageInfo.damage, ref damageInfo.absorb, ref damageInfo.resist);
+                DamageInfo dmgInfo = new DamageInfo(damageInfo);
+                CalcAbsorbResist(dmgInfo);
+                damageInfo.absorb = dmgInfo.GetAbsorb();
+                damageInfo.resist = dmgInfo.GetResist();
+                damageInfo.damage = dmgInfo.GetDamage();
 
                 if (damageInfo.absorb != 0)
                     damageInfo.HitInfo |= (damageInfo.damage - damageInfo.absorb == 0 ? HitInfo.FullAbsorb : HitInfo.PartialAbsorb);
 
                 if (damageInfo.resist != 0)
                     damageInfo.HitInfo |= (damageInfo.damage - damageInfo.resist == 0 ? HitInfo.FullResist : HitInfo.PartialResist);
-
-                damageInfo.damage -= damageInfo.absorb + damageInfo.resist;
             }
             else // Impossible get negative result but....
                 damageInfo.damage = 0;
@@ -2314,105 +2316,51 @@ namespace Game.Entities
             return resistance * 10;
         }
 
-        public void CalcAbsorbResist(Unit victim, SpellSchoolMask schoolMask, DamageEffectType damagetype, uint damage, ref uint absorb, ref uint resist, SpellInfo spellInfo = null)
+        public void CalcAbsorbResist(DamageInfo damageInfo)
         {
-            if (victim == null || !victim.IsAlive() || damage == 0)
+            if (!damageInfo.GetVictim() || !damageInfo.GetVictim().IsAlive() || damageInfo.GetDamage() == 0)
                 return;
 
-            DamageInfo dmgInfo = new DamageInfo(this, victim, damage, spellInfo, schoolMask, damagetype, WeaponAttackType.BaseAttack);
-
-            uint spellResistance = CalcSpellResistance(victim, schoolMask, spellInfo);
-            dmgInfo.ResistDamage(MathFunctions.CalculatePct(damage, spellResistance));
+            uint spellResistance = CalcSpellResistance(damageInfo.GetVictim(), damageInfo.GetSchoolMask(), damageInfo.GetSpellInfo());
+            damageInfo.ResistDamage(MathFunctions.CalculatePct(damageInfo.GetDamage(), spellResistance));
 
             // Ignore Absorption Auras
-            float auraAbsorbMod = 0;
-            var AbsIgnoreAurasA = GetAuraEffectsByType(AuraType.ModTargetAbsorbSchool);
-            foreach (var eff in AbsIgnoreAurasA)
+            float auraAbsorbMod = GetMaxPositiveAuraModifierByMiscMask(AuraType.ModTargetAbsorbSchool, (uint)damageInfo.GetSchoolMask());
+
+            var abilityAbsorbAuras = GetAuraEffectsByType(AuraType.ModTargetAbilityAbsorbSchool);
+            foreach (AuraEffect aurEff in abilityAbsorbAuras)
             {
-                if (!Convert.ToBoolean(eff.GetMiscValue() & (int)schoolMask))
+                if (!Convert.ToBoolean(aurEff.GetMiscValue() & (int)damageInfo.GetSchoolMask()))
                     continue;
 
-                if (eff.GetAmount() > auraAbsorbMod)
-                    auraAbsorbMod = eff.GetAmount();
-            }
-
-            var AbsIgnoreAurasB = GetAuraEffectsByType(AuraType.ModTargetAbilityAbsorbSchool);
-            foreach (var eff in AbsIgnoreAurasB)
-            {
-                if (!Convert.ToBoolean(eff.GetMiscValue() & (int)schoolMask))
+                if (!aurEff.IsAffectingSpell(damageInfo.GetSpellInfo()))
                     continue;
 
-                if ((eff.GetAmount() > auraAbsorbMod) && eff.IsAffectingSpell(spellInfo))
-                    auraAbsorbMod = eff.GetAmount();
+                if ((aurEff.GetAmount() > auraAbsorbMod))
+                    auraAbsorbMod = aurEff.GetAmount();
             }
+
             MathFunctions.RoundToInterval(ref auraAbsorbMod, 0.0f, 100.0f);
 
-            int absorbIgnoringDamage = (int)MathFunctions.CalculatePct(dmgInfo.GetDamage(), auraAbsorbMod);
-            dmgInfo.ModifyDamage(-absorbIgnoringDamage);
+            int absorbIgnoringDamage = (int)MathFunctions.CalculatePct(damageInfo.GetDamage(), auraAbsorbMod);
+            damageInfo.ModifyDamage(-absorbIgnoringDamage);
 
             // We're going to call functions which can modify content of the list during iteration over it's elements
             // Let's copy the list so we can prevent iterator invalidation
-            var vSchoolAbsorbCopy = victim.GetAuraEffectsByType(AuraType.SchoolAbsorb);
+            var vSchoolAbsorbCopy = damageInfo.GetVictim().GetAuraEffectsByType(AuraType.SchoolAbsorb);
             vSchoolAbsorbCopy.Sort(new AbsorbAuraOrderPred());
 
             // absorb without mana cost
-            foreach (var eff in vSchoolAbsorbCopy)
+            foreach (var absorbAurEff in vSchoolAbsorbCopy)
             {
-                // Check if aura was removed during iteration - we don't need to work on such auras
-                AuraApplication aurApp = eff.GetBase().GetApplicationOfTarget(victim.GetGUID());
-                if (aurApp == null)
-                    continue;
-                if (!Convert.ToBoolean(eff.GetMiscValue() & (int)schoolMask))
-                    continue;
-
-                // get amount which can be still absorbed by the aura
-                int currentAbsorb = eff.GetAmount();
-                // aura with infinite absorb amount - let the scripts handle absorbtion amount, set here to 0 for safety
-                if (currentAbsorb < 0)
-                    currentAbsorb = 0;
-
-                uint tempAbsorb = (uint)currentAbsorb;
-
-                bool defaultPrevented = false;
-
-                eff.GetBase().CallScriptEffectAbsorbHandlers(eff, aurApp, dmgInfo, ref tempAbsorb, ref defaultPrevented);
-                currentAbsorb = (int)tempAbsorb;
-
-                if (defaultPrevented)
-                    continue;
-
-                // absorb must be smaller than the damage itself
-                MathFunctions.RoundToInterval(ref currentAbsorb, 0, dmgInfo.GetDamage());
-
-                dmgInfo.AbsorbDamage((uint)currentAbsorb);
-
-                tempAbsorb = (uint)currentAbsorb;
-                eff.GetBase().CallScriptEffectAfterAbsorbHandlers(eff, aurApp, dmgInfo, ref tempAbsorb);
-
-                // Check if our aura is using amount to count damage
-                if (eff.GetAmount() >= 0)
-                {
-                    // Reduce shield amount
-                    eff.ChangeAmount(eff.GetAmount() - currentAbsorb);
-                    // Aura cannot absorb anything more - remove it
-                    if (eff.GetAmount() <= 0)
-                        eff.GetBase().Remove(AuraRemoveMode.EnemySpell);
-                }
-            }
-
-            // absorb by mana cost
-            var vManaShieldCopy = victim.GetAuraEffectsByType(AuraType.ManaShield);
-            foreach (var absorbAurEff in vManaShieldCopy)
-            {
-                if (dmgInfo.GetDamage() <= 0)
+                if (damageInfo.GetDamage() == 0)
                     break;
 
                 // Check if aura was removed during iteration - we don't need to work on such auras
-                AuraApplication aurApp = absorbAurEff.GetBase().GetApplicationOfTarget(victim.GetGUID());
+                AuraApplication aurApp = absorbAurEff.GetBase().GetApplicationOfTarget(damageInfo.GetVictim().GetGUID());
                 if (aurApp == null)
                     continue;
-                // check damage school mask
-                if (!Convert.ToBoolean(absorbAurEff.GetMiscValue() & (int)schoolMask))
+                if (!Convert.ToBoolean(absorbAurEff.GetMiscValue() & (int)damageInfo.GetSchoolMask()))
                     continue;
 
                 // get amount which can be still absorbed by the aura
@@ -2425,14 +2373,64 @@ namespace Game.Entities
 
                 bool defaultPrevented = false;
 
-                absorbAurEff.GetBase().CallScriptEffectManaShieldHandlers(absorbAurEff, aurApp, dmgInfo, ref tempAbsorb, defaultPrevented);
+                absorbAurEff.GetBase().CallScriptEffectAbsorbHandlers(absorbAurEff, aurApp, damageInfo, ref tempAbsorb, ref defaultPrevented);
                 currentAbsorb = (int)tempAbsorb;
 
                 if (defaultPrevented)
                     continue;
 
                 // absorb must be smaller than the damage itself
-                MathFunctions.RoundToInterval(ref currentAbsorb, 0, dmgInfo.GetDamage());
+                currentAbsorb = MathFunctions.RoundToInterval(ref currentAbsorb, 0, damageInfo.GetDamage());
+
+                damageInfo.AbsorbDamage((uint)currentAbsorb);
+
+                tempAbsorb = (uint)currentAbsorb;
+                absorbAurEff.GetBase().CallScriptEffectAfterAbsorbHandlers(absorbAurEff, aurApp, damageInfo, ref tempAbsorb);
+
+                // Check if our aura is using amount to count damage
+                if (absorbAurEff.GetAmount() >= 0)
+                {
+                    // Reduce shield amount
+                    absorbAurEff.ChangeAmount(absorbAurEff.GetAmount() - currentAbsorb);
+                    // Aura cannot absorb anything more - remove it
+                    if (absorbAurEff.GetAmount() <= 0)
+                        absorbAurEff.GetBase().Remove(AuraRemoveMode.EnemySpell);
+                }
+            }
+
+            // absorb by mana cost
+            var vManaShieldCopy = damageInfo.GetVictim().GetAuraEffectsByType(AuraType.ManaShield);
+            foreach (var absorbAurEff in vManaShieldCopy)
+            {
+                if (damageInfo.GetDamage() == 0)
+                    break;
+
+                // Check if aura was removed during iteration - we don't need to work on such auras
+                AuraApplication aurApp = absorbAurEff.GetBase().GetApplicationOfTarget(damageInfo.GetVictim().GetGUID());
+                if (aurApp == null)
+                    continue;
+                // check damage school mask
+                if (!Convert.ToBoolean(absorbAurEff.GetMiscValue() & (int)damageInfo.GetSchoolMask()))
+                    continue;
+
+                // get amount which can be still absorbed by the aura
+                int currentAbsorb = absorbAurEff.GetAmount();
+                // aura with infinite absorb amount - let the scripts handle absorbtion amount, set here to 0 for safety
+                if (currentAbsorb < 0)
+                    currentAbsorb = 0;
+
+                uint tempAbsorb = (uint)currentAbsorb;
+
+                bool defaultPrevented = false;
+
+                absorbAurEff.GetBase().CallScriptEffectManaShieldHandlers(absorbAurEff, aurApp, damageInfo, ref tempAbsorb, defaultPrevented);
+                currentAbsorb = (int)tempAbsorb;
+
+                if (defaultPrevented)
+                    continue;
+
+                // absorb must be smaller than the damage itself
+                currentAbsorb = MathFunctions.RoundToInterval(ref currentAbsorb, 0, damageInfo.GetDamage());
 
                 int manaReduction = currentAbsorb;
 
@@ -2441,15 +2439,15 @@ namespace Game.Entities
                 if (manaMultiplier != 0)
                     manaReduction = (int)(manaReduction * manaMultiplier);
 
-                int manaTaken = -victim.ModifyPower(PowerType.Mana, -manaReduction);
+                int manaTaken = -damageInfo.GetVictim().ModifyPower(PowerType.Mana, -manaReduction);
 
                 // take case when mana has ended up into account
-                currentAbsorb = currentAbsorb != 0 ? currentAbsorb * manaTaken / manaReduction : 0;
+                currentAbsorb = currentAbsorb != 0 ? (currentAbsorb * (manaTaken / manaReduction)) : 0;
 
-                dmgInfo.AbsorbDamage((uint)currentAbsorb);
+                damageInfo.AbsorbDamage((uint)currentAbsorb);
 
                 tempAbsorb = (uint)currentAbsorb;
-                absorbAurEff.GetBase().CallScriptEffectAfterManaShieldHandlers(absorbAurEff, aurApp, dmgInfo, ref tempAbsorb);
+                absorbAurEff.GetBase().CallScriptEffectAfterManaShieldHandlers(absorbAurEff, aurApp, damageInfo, ref tempAbsorb);
 
                 // Check if our aura is using amount to count damage
                 if (absorbAurEff.GetAmount() >= 0)
@@ -2460,67 +2458,63 @@ namespace Game.Entities
                 }
             }
 
-            dmgInfo.ModifyDamage(absorbIgnoringDamage);
+            damageInfo.ModifyDamage(absorbIgnoringDamage);
 
             // split damage auras - only when not damaging self
-            if (victim != this)
+            if (damageInfo.GetVictim() != this)
             {
                 // We're going to call functions which can modify content of the list during iteration over it's elements
                 // Let's copy the list so we can prevent iterator invalidation
-                var vSplitDamagePctCopy = victim.GetAuraEffectsByType(AuraType.SplitDamagePct);
-                foreach (var eff in vSplitDamagePctCopy)
+                var vSplitDamagePctCopy = damageInfo.GetVictim().GetAuraEffectsByType(AuraType.SplitDamagePct);
+                foreach (var itr in vSplitDamagePctCopy)
                 {
-                    if (dmgInfo.GetDamage() <= 0)
+                    if (damageInfo.GetDamage() == 0)
                         break;
 
                     // Check if aura was removed during iteration - we don't need to work on such auras
-                    AuraApplication aurApp = eff.GetBase().GetApplicationOfTarget(victim.GetGUID());
+                    AuraApplication aurApp = itr.GetBase().GetApplicationOfTarget(damageInfo.GetVictim().GetGUID());
                     if (aurApp == null)
                         continue;
 
                     // check damage school mask
-                    if (!Convert.ToBoolean(eff.GetMiscValue() & (int)schoolMask))
+                    if (!Convert.ToBoolean(itr.GetMiscValue() & (int)damageInfo.GetSchoolMask()))
                         continue;
 
                     // Damage can be splitted only if aura has an alive caster
-                    Unit caster = eff.GetCaster();
-                    if (caster == null || (caster == victim) || !caster.IsInWorld || !caster.IsAlive())
+                    Unit caster = itr.GetCaster();
+                    if (!caster || (caster == damageInfo.GetVictim()) || !caster.IsInWorld || !caster.IsAlive())
                         continue;
 
-                    uint splitDamage = MathFunctions.CalculatePct(dmgInfo.GetDamage(), eff.GetAmount());
+                    uint splitDamage = MathFunctions.CalculatePct(damageInfo.GetDamage(), itr.GetAmount());
 
-                    eff.GetBase().CallScriptEffectSplitHandlers(eff, aurApp, dmgInfo, splitDamage);
+                    itr.GetBase().CallScriptEffectSplitHandlers(itr, aurApp, damageInfo, splitDamage);
 
                     // absorb must be smaller than the damage itself
-                    MathFunctions.RoundToInterval(ref splitDamage, 0, dmgInfo.GetDamage());
+                    splitDamage = MathFunctions.RoundToInterval(ref splitDamage, 0, damageInfo.GetDamage());
 
-                    dmgInfo.AbsorbDamage(splitDamage);
+                    damageInfo.AbsorbDamage(splitDamage);
 
                     // check if caster is immune to damage
-                    if (caster.IsImmunedToDamage(schoolMask))
+                    if (caster.IsImmunedToDamage(damageInfo.GetSchoolMask()))
                     {
-                        victim.SendSpellMiss(caster, eff.GetSpellInfo().Id, SpellMissInfo.Immune);
+                        damageInfo.GetVictim().SendSpellMiss(caster, itr.GetSpellInfo().Id, SpellMissInfo.Immune);
                         continue;
                     }
 
                     uint split_absorb = 0;
                     DealDamageMods(caster, ref splitDamage, ref split_absorb);
 
-                    SpellNonMeleeDamage log = new SpellNonMeleeDamage(this, caster, eff.GetSpellInfo().Id, eff.GetBase().GetSpellXSpellVisualId(), schoolMask, eff.GetBase().GetCastGUID());
+                    SpellNonMeleeDamage log = new SpellNonMeleeDamage(this, caster, itr.GetSpellInfo().Id, itr.GetBase().GetSpellXSpellVisualId(), damageInfo.GetSchoolMask(), itr.GetBase().GetCastGUID());
                     CleanDamage cleanDamage = new CleanDamage(splitDamage, 0, WeaponAttackType.BaseAttack, MeleeHitOutcome.Normal);
-                    DealDamage(caster, splitDamage, cleanDamage, DamageEffectType.Direct, schoolMask, eff.GetSpellInfo(), false);
+                    DealDamage(caster, splitDamage, cleanDamage, DamageEffectType.Direct, damageInfo.GetSchoolMask(), itr.GetSpellInfo(), false);
                     log.damage = splitDamage;
                     log.absorb = split_absorb;
                     SendSpellNonMeleeDamageLog(log);
 
                     // break 'Fear' and similar auras
-                    DamageInfo damageInfo = new DamageInfo(caster, this, splitDamage, eff.GetSpellInfo(), schoolMask, DamageEffectType.Direct, WeaponAttackType.BaseAttack);
                     ProcSkillsAndAuras(caster, ProcFlags.None, ProcFlags.TakenSpellMagicDmgClassNeg, ProcFlagsSpellType.Damage, ProcFlagsSpellPhase.Hit, ProcFlagsHit.None, null, damageInfo, null);
                 }
             }
-
-            resist = dmgInfo.GetResist();
-            absorb = dmgInfo.GetAbsorb();
         }
 
         public void CalcHealAbsorb(HealInfo healInfo)

Game/Entities/Unit/Unit.Spells.cs

@@ -2439,15 +2439,13 @@ namespace Game.Entities
             Global.ScriptMgr.ModifySpellDamageTaken(damageInfo.target, damageInfo.attacker, ref damage);
 
             // Calculate absorb resist
-            if (damage > 0)
-            {
-                CalcAbsorbResist(victim, damageSchoolMask, DamageEffectType.SpellDirect, (uint)damage, ref damageInfo.absorb, ref damageInfo.resist, spellInfo);
-                damage -= (int)(damageInfo.absorb + damageInfo.resist);
-            }
-            else
+            if (damage < 0)
                 damage = 0;
 
             damageInfo.damage = (uint)damage;
+            DamageInfo dmgInfo = new DamageInfo(damageInfo, DamageEffectType.SpellDirect, WeaponAttackType.BaseAttack, ProcFlagsHit.None);
+            CalcAbsorbResist(dmgInfo);
+            damageInfo.damage = dmgInfo.GetDamage();
         }
         public void DealSpellDamage(SpellNonMeleeDamage damageInfo, bool durabilityLoss)
         {
@@ -2664,9 +2662,6 @@ namespace Game.Entities
             if (diminish.HitCount == 0)
                 return DiminishingLevels.Level1;
 
-            if (diminish.HitTime == 0)
-                return DiminishingLevels.Level1;
-
             // If last spell was cast more than 18 seconds ago - reset the count.
             if (diminish.Stack == 0 && Time.GetMSTimeDiffToNow(diminish.HitTime) > 18 * Time.InMilliseconds)
             {
@@ -2861,6 +2856,9 @@ namespace Game.Entities
                 if (spell.getState() != SpellState.Finished)
                     spell.cancel();
 
+                if (IsCreature() && IsAIEnabled)
+                    ToCreature().GetAI().OnSpellCastInterrupt(spell.GetSpellInfo());
+
                 m_currentSpells[spellType] = null;
                 spell.SetReferencedFromCurrent(false);
             }

Game/Globals/ObjectManager.cs

@@ -2482,11 +2482,13 @@ namespace Game
             }
 
             if (!CliDB.FactionTemplateStorage.ContainsKey(cInfo.Faction))
-                Log.outError(LogFilter.Sql, "Creature (Entry: {0}) has non-existing faction template ({1}).", cInfo.Entry, cInfo.Faction);
+            {
+                Log.outError(LogFilter.Sql, "Creature (Entry: {0}) has non-existing faction template ({1}). This can lead to crashes, set to faction 35", cInfo.Entry, cInfo.Faction);
+                cInfo.Faction = 35;
+            }
 
             // used later for scale
             CreatureDisplayInfoRecord displayScaleEntry = null;
-
             if (cInfo.ModelId1 != 0)
             {
                 CreatureDisplayInfoRecord displayEntry = CliDB.CreatureDisplayInfoStorage.LookupByKey(cInfo.ModelId1);

Game/Spells/Auras/Aura.cs

@@ -1711,6 +1711,15 @@ namespace Game.Spells
             if (!Global.SpellMgr.CanSpellTriggerProcOnEvent(procEntry, eventInfo))
                 return 0;
 
+            // check don't break stealth attr present
+            if (m_spellInfo.HasAura(Difficulty.None, AuraType.ModStealth))
+            {
+                SpellInfo spell = eventInfo.GetSpellInfo();
+                if (spell != null)
+                    if (spell.HasAttribute(SpellCustomAttributes.DontBreakStealth))
+                        return 0;
+            }
+
             // check if aura can proc when spell is triggered (exception for hunter auto shot & wands)
             if (!procEntry.AttributesMask.HasAnyFlag(ProcAttributes.TriggeredCanProc) && !eventInfo.GetTypeMask().HasAnyFlag(ProcFlags.AutoAttackMask))
             {

Game/Spells/Auras/AuraEffect.cs

@@ -674,15 +674,12 @@ namespace Game.Spells
                             return false;
 
                         // Spell own damage at apply won't break CC
-                        if (spellInfo != null)
+                        if (spellInfo != null && spellInfo == GetSpellInfo())
                         {
-                            if (spellInfo == GetSpellInfo())
-                            {
-                                Aura aura = GetBase();
-                                // called from spellcast, should not have ticked yet
-                                if (aura.GetDuration() == aura.GetMaxDuration())
-                                    return false;
-                            }
+                            Aura aura = GetBase();
+                            // called from spellcast, should not have ticked yet
+                            if (aura.GetDuration() == aura.GetMaxDuration())
+                                return false;
                         }
                         break;
                     }
@@ -5544,8 +5541,6 @@ namespace Game.Spells
                 }
             }
 
-            uint absorb = 0;
-            uint resist = 0;
             CleanDamage cleanDamage = new CleanDamage(0, 0, WeaponAttackType.BaseAttack, MeleeHitOutcome.Normal);
 
             // AOE spells are not affected by the new periodic system.
@@ -5615,14 +5610,21 @@ namespace Game.Spells
             if (!GetSpellInfo().HasAttribute(SpellAttr4.FixedDamage))
                 caster.ApplyResilience(target, ref damage);
 
-            caster.CalcAbsorbResist(target, GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, damage, ref absorb, ref resist, GetSpellInfo());
+            DamageInfo damageInfo = new DamageInfo(caster, target, damage, GetSpellInfo(), GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, WeaponAttackType.BaseAttack);
+            caster.CalcAbsorbResist(damageInfo);
+            damage = damageInfo.GetDamage();
+
+            uint absorb = damageInfo.GetAbsorb();
+            uint resist = damageInfo.GetResist();
             caster.DealDamageMods(target, ref damage, ref absorb);
 
             // Set trigger flag
             ProcFlags procAttacker = ProcFlags.DonePeriodic;
             ProcFlags procVictim = ProcFlags.TakenPeriodic;
-            ProcFlagsHit hitMask = crit ? ProcFlagsHit.Critical : ProcFlagsHit.Normal;
-            damage = (damage <= absorb + resist) ? 0 : (damage - absorb - resist);
+            ProcFlagsHit hitMask = damageInfo.GetHitMask();
+            if (hitMask == 0)
+                hitMask = crit ? ProcFlagsHit.Critical : ProcFlagsHit.Normal;
+
             if (damage != 0)
                 procVictim |= ProcFlags.TakenDamage;
 
@@ -5632,7 +5634,6 @@ namespace Game.Spells
 
             SpellPeriodicAuraLogInfo pInfo = new SpellPeriodicAuraLogInfo(this, damage, overkill, absorb, resist, 0.0f, crit);
 
-            DamageInfo damageInfo = new DamageInfo(caster, target, damage, GetSpellInfo(), GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, WeaponAttackType.BaseAttack);
             caster.ProcSkillsAndAuras(target, procAttacker, procVictim, ProcFlagsSpellType.Damage, ProcFlagsSpellPhase.None, hitMask, null, damageInfo, null);
 
             caster.DealDamage(target, damage, cleanDamage, DamageEffectType.DOT, GetSpellInfo().GetSchoolMask(), GetSpellInfo(), true);
@@ -5654,8 +5655,6 @@ namespace Game.Spells
                 caster.SpellHitResult(target, GetSpellInfo(), false) != SpellMissInfo.None)
                 return;
 
-            uint absorb = 0;
-            uint resist = 0;
             CleanDamage cleanDamage = new CleanDamage(0, 0, WeaponAttackType.BaseAttack, MeleeHitOutcome.Normal);
 
             bool isAreaAura = GetSpellEffectInfo().IsAreaAuraEffect() || GetSpellEffectInfo().IsEffect(SpellEffectName.PersistentAreaAura);
@@ -5698,10 +5697,15 @@ namespace Game.Spells
             if (!GetSpellInfo().HasAttribute(SpellAttr4.FixedDamage))
                 caster.ApplyResilience(target, ref damage);
 
-            caster.CalcAbsorbResist(target, GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, damage, ref absorb, ref resist, m_spellInfo);
+            DamageInfo damageInfo = new DamageInfo(caster, target, damage, GetSpellInfo(), GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, WeaponAttackType.BaseAttack);
+            caster.CalcAbsorbResist(damageInfo);
 
+            uint absorb = damageInfo.GetAbsorb();
+            uint resist = damageInfo.GetResist();
+
+            // SendSpellNonMeleeDamageLog expects non-absorbed/non-resisted damage
             SpellNonMeleeDamage log = new SpellNonMeleeDamage(caster, target, GetId(), GetBase().GetSpellXSpellVisualId(), GetSpellInfo().GetSchoolMask(), GetBase().GetCastGUID());
-            log.damage = damage - absorb - resist;
+            log.damage = damage;
             log.absorb = absorb;
             log.resist = resist;
             log.periodicLog = true;
@@ -5711,16 +5715,15 @@ namespace Game.Spells
             // Set trigger flag
             ProcFlags procAttacker = ProcFlags.DonePeriodic;
             ProcFlags procVictim = ProcFlags.TakenPeriodic;
-            ProcFlagsHit hitMask = crit ? ProcFlagsHit.Critical : ProcFlagsHit.Normal;
-            damage = (damage <= absorb + resist) ? 0 : (damage - absorb - resist);
+            ProcFlagsHit hitMask = damageInfo.GetHitMask();
+            if (hitMask == 0)
+                hitMask = crit ? ProcFlagsHit.Critical : ProcFlagsHit.Normal;
+
             if (damage != 0)
                 procVictim |= ProcFlags.TakenDamage;
 
             if (caster.IsAlive())
-            {
-                DamageInfo damageInfo = new DamageInfo(caster, target, damage, GetSpellInfo(), GetSpellInfo().GetSchoolMask(), DamageEffectType.DOT, WeaponAttackType.BaseAttack);
                 caster.ProcSkillsAndAuras(target, procAttacker, procVictim, ProcFlagsSpellType.Damage, ProcFlagsSpellPhase.None, hitMask, null, damageInfo, null);
-            }
 
             int new_damage = (int)caster.DealDamage(target, damage, cleanDamage, DamageEffectType.DOT, GetSpellInfo().GetSchoolMask(), GetSpellInfo(), false);
             if (caster.IsAlive())

Game/Spells/Spell.cs

@@ -1891,7 +1891,19 @@ namespace Game.Spells
                 if (m_damage > 0)
                     positive = false;
                 else if (m_healing == 0)
-                    positive = m_spellInfo.IsPositive();
+                {
+                    for (byte i = 0; i < SpellConst.MaxEffects; ++i)
+                    {
+                        if (!Convert.ToBoolean(target.effectMask & (1 << i)))
+                            continue;
+
+                        if (!m_spellInfo.IsPositiveEffect(i))
+                        {
+                            positive = false;
+                            break;
+                        }
+                    }
+                }
 
                 switch (m_spellInfo.DmgClass)
                 {
@@ -2077,11 +2089,7 @@ namespace Game.Spells
                     return SpellMissInfo.Evade;
 
                 if (m_caster._IsValidAttackTarget(unit, m_spellInfo))
-                {
                     unit.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Hitbyspell);
-                    if (!m_spellInfo.HasAttribute(SpellCustomAttributes.DontBreakStealth))
-                        unit.RemoveAurasByType(AuraType.ModStealth);
-                }
                 else if (m_caster.IsFriendlyTo(unit))
                 {
                     // for delayed spells ignore negative spells (after duel end) for friendly targets

Game/Spells/SpellEffects.cs

@@ -126,19 +126,21 @@ namespace Game.Spells
             if (unitTarget == null || !unitTarget.IsAlive())
                 return;
 
-            uint absorb = 0;
-            uint resist = 0;
-
-            m_caster.CalcAbsorbResist(unitTarget, m_spellInfo.GetSchoolMask(), DamageEffectType.SpellDirect, (uint)damage, ref absorb, ref resist, m_spellInfo);
-
-            SpellNonMeleeDamage log = new SpellNonMeleeDamage(m_caster, unitTarget, m_spellInfo.Id, m_SpellVisual, m_spellInfo.GetSchoolMask(), m_castId);
-            log.damage = (uint)(damage - absorb - resist);
-            log.absorb = absorb;
-            log.resist = resist;
+            // CalcAbsorbResist already in Player::EnvironmentalDamage
             if (unitTarget.IsTypeId(TypeId.Player))
                 unitTarget.ToPlayer().EnvironmentalDamage(EnviromentalDamage.Fire, (uint)damage);
+            else
+            {
+                DamageInfo damageInfo = new DamageInfo(m_caster, unitTarget, (uint)damage, m_spellInfo, m_spellInfo.GetSchoolMask(), DamageEffectType.SpellDirect, WeaponAttackType.BaseAttack);
+                m_caster.CalcAbsorbResist(damageInfo);
 
-            m_caster.SendSpellNonMeleeDamageLog(log);
+                SpellNonMeleeDamage log = new SpellNonMeleeDamage(m_caster, unitTarget, m_spellInfo.Id, m_SpellVisual, m_spellInfo.GetSchoolMask(), m_castId);
+                log.damage = (uint)damage;
+                log.absorb = damageInfo.GetAbsorb();
+                log.resist = damageInfo.GetResist();
+
+                m_caster.SendSpellNonMeleeDamageLog(log);
+            }
         }
 
         [SpellEffectHandler(SpellEffectName.SchoolDamage)]

Scripts/Kalimdor/ZoneAshenvale.cs

@@ -1,13 +1,26 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+/*
+ * Copyright (C) 2012-2017 CypherCore <http://github.com/CypherCore>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using Framework.Constants;
+using Game;
 using Game.AI;
 using Game.Entities;
-using Framework.Constants;
 using Game.Scripting;
-using Game;
+using System;
 
 namespace Scripts.Kalimdor.ZoneAshenvale
 {

Scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/NorthrendBeasts.cs

@@ -399,9 +399,12 @@ namespace Scripts.Northrend.CrusadersColiseum.TrialOfTheCrusader
                 switch (eventId)
                 {
                     case Events.FireBomb:
-                        Unit target = SelectTarget(SelectAggroTarget.Random, 0, -me.GetVehicleBase().GetCombatReach(), true);
-                        if (target)
-                            me.CastSpell(target, SpellIds.FireBomb);
+                        if (me.GetVehicleBase())
+                        {
+                            Unit target = SelectTarget(SelectAggroTarget.Random, 0, -me.GetVehicleBase().GetCombatReach(), true);
+                            if (target)
+                                me.CastSpell(target, SpellIds.FireBomb);
+                        }
                         _events.Repeat(TimeSpan.FromSeconds(20));
                         break;
                     case Events.HeadCrack: