Implement persist death spell field

zone/attack.cpp

@@ -1601,7 +1601,7 @@ bool Client::Death(Mob* killerMob, int32 damage, uint16 spell, SkillUseTypes att
 		}
 
 		//this generates a lot of 'updates' to the client that the client does not need
-		BuffFadeAll();
+		BuffFadeNonPersistDeath();
 		if((GetClientVersionBit() & BIT_SoFAndLater) && RuleB(Character, RespawnFromHover))
 			UnmemSpellAll(true);
 		else

zone/client_process.cpp

@@ -1139,7 +1139,7 @@ void Client::OPRezzAnswer(uint32 Action, uint32 SpellID, uint16 ZoneID, uint16 I
 				this->name, (uint16)spells[SpellID].base[0],
 				SpellID, ZoneID, InstanceID);
 
-		this->BuffFadeAll();
+		this->BuffFadeNonPersistDeath();
 		int SpellEffectDescNum = GetSpellEffectDescNum(SpellID);
 		// Rez spells with Rez effects have this DescNum (first is Titanium, second is 6.2 Client)
 		if((SpellEffectDescNum == 82) || (SpellEffectDescNum == 39067)) {

zone/mob.h

@@ -213,6 +213,7 @@ public:
 	void BuffFadeBySpellID(uint16 spell_id);
 	void BuffFadeByEffect(int effectid, int skipslot = -1);
 	void BuffFadeAll();
+	void BuffFadeNonPersistDeath();
 	void BuffFadeDetrimental();
 	void BuffFadeBySlot(int slot, bool iRecalcBonuses = true);
 	void BuffFadeDetrimentalByCaster(Mob *caster);

zone/spells.cpp

@@ -3752,6 +3752,17 @@ void Mob::BuffFadeAll()
 	CalcBonuses();
 }
 
+void Mob::BuffFadeNonPersistDeath()
+{
+	uint32 buff_count = GetMaxTotalSlots();
+	for (int j = 0; j < buff_count; j++) {
+		if (buffs[j].spellid != SPELL_UNKNOWN && !IsPersistDeathSpell(buffs[j].spellid))
+			BuffFadeBySlot(j, false);
+	}
+	//we tell BuffFadeBySlot not to recalc, so we can do it only once when were done
+	CalcBonuses();
+}
+
 void Mob::BuffFadeDetrimental() {
 	uint32 buff_count = GetMaxTotalSlots();
 	for (int j = 0; j < buff_count; j++) {