Misc fixes.

Source/Game/Entities/GameObject/GameObject.cs

@@ -959,7 +959,7 @@ namespace Game.Entities
 
         void DespawnForPlayer(Player seer, TimeSpan respawnTime)
         {
-            PerPlayerState perPlayerState = GetOrCreatePerPlayerStates()[seer.GetGUID()];
+            PerPlayerState perPlayerState = GetOrCreatePerPlayerStates(seer.GetGUID());
             perPlayerState.ValidUntil = GameTime.GetSystemTime() + respawnTime;
             perPlayerState.Despawned = true;
             seer.UpdateVisibilityOf(this);
@@ -3002,7 +3002,7 @@ namespace Game.Entities
 
         void SetGoStateFor(GameObjectState state, Player viewer)
         {
-            PerPlayerState perPlayerState = GetOrCreatePerPlayerStates()[viewer.GetGUID()];
+            PerPlayerState perPlayerState = GetOrCreatePerPlayerStates(viewer.GetGUID());
             perPlayerState.ValidUntil = GameTime.GetSystemTime() + TimeSpan.FromSeconds(m_respawnDelayTime);
             perPlayerState.State = state;
 
@@ -3495,12 +3495,15 @@ namespace Game.Entities
             return true;
         }
         
-        Dictionary<ObjectGuid, PerPlayerState> GetOrCreatePerPlayerStates()
+        PerPlayerState GetOrCreatePerPlayerStates(ObjectGuid guid)
         {
             if (m_perPlayerState == null)
                 m_perPlayerState = new();
 
-            return m_perPlayerState;
+            if (!m_perPlayerState.ContainsKey(guid))
+                m_perPlayerState[guid] = new();
+
+            return m_perPlayerState[guid];
         }
         
         public override ushort GetAIAnimKitId() { return _animKitId; }

Source/Game/Entities/Pet.cs

@@ -290,7 +290,7 @@ namespace Game.Entities
                     owner.RemovePet(null, PetSaveMode.NotInSlot);
 
                 var unslottedPetIndex = petStable.UnslottedPets.FindIndex(unslottedPet => unslottedPet.PetNumber == petInfoNumber);
-                Cypher.Assert(petStable.CurrentPetIndex == 0);
+                Cypher.Assert(!petStable.CurrentPetIndex.HasValue);
                 Cypher.Assert(unslottedPetIndex != -1);
 
                 petStable.SetCurrentUnslottedPetIndex((uint)unslottedPetIndex);
@@ -302,7 +302,7 @@ namespace Game.Entities
                 Cypher.Assert(activePetIndex != -1);
 
                 // Check that we either have no pet (unsummoned by player) or it matches temporarily unsummoned pet by server (for example on flying mount)
-                Cypher.Assert(petStable.CurrentPetIndex == 0 || petStable.CurrentPetIndex == activePetIndex);
+                Cypher.Assert(!petStable.CurrentPetIndex.HasValue || petStable.CurrentPetIndex == activePetIndex);
 
                 petStable.SetCurrentActivePetIndex((uint)activePetIndex);
             }

Source/Game/Entities/Player/Player.cs

@@ -4284,7 +4284,7 @@ namespace Game.Entities
 
             map.AddToMap(pet.ToCreature());
 
-            Cypher.Assert(petStable.CurrentPetIndex == 0);
+            Cypher.Assert(!petStable.CurrentPetIndex.HasValue);
             petStable.SetCurrentUnslottedPetIndex((uint)petStable.UnslottedPets.Count);
             PetStable.PetInfo petInfo = new();
             pet.FillPetInfo(petInfo);

Source/Game/Spells/SpellEffects.cs

@@ -168,7 +168,7 @@ namespace Game.Spells
                 if (unitCaster != null && apply_direct_bonus)
                 {
                     uint bonus = unitCaster.SpellDamageBonusDone(unitTarget, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect, effectInfo);
-                    damage = (int)(bonus + (bonus * variance));
+                    damage = (int)(bonus + (uint)(bonus * variance));
                     damage = (int)unitTarget.SpellDamageBonusTaken(unitCaster, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect);
                 }
 
@@ -697,7 +697,7 @@ namespace Game.Spells
             if (unitCaster != null)
             {
                 uint bonus = unitCaster.SpellDamageBonusDone(unitTarget, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect, effectInfo);
-                damage = (int)(bonus + (bonus * variance));
+                damage = (int)(bonus + (uint)(bonus * variance));
                 damage = (int)unitTarget.SpellDamageBonusTaken(unitCaster, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect);
             }
 
@@ -886,7 +886,7 @@ namespace Game.Spells
             if (unitCaster != null)
                 unitCaster.SpellDamageBonusDone(unitTarget, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect, effectInfo);
 
-            damage = (int)(bonus + (bonus * variance));
+            damage = (int)(bonus + (uint)(bonus * variance));
 
             if (unitCaster != null)
                 damage = (int)unitTarget.SpellDamageBonusTaken(unitCaster, m_spellInfo, (uint)damage, DamageEffectType.SpellDirect);