/// <summary>
/// Adds a new Aura with the given information to the Owner.
/// Does not initialize the new Aura.
/// If you use this method, make sure to call <see cref="M:WCell.RealmServer.Spells.Auras.Aura.Start" /> on the newly created Aura.
/// Overrides any existing Aura that matches.
/// </summary>
/// <returns>null if Spell is not an Aura</returns>
internal Aura CreateAura(ObjectReference casterReference, Spell spell, List <AuraEffectHandler> handlers,
WCell.RealmServer.Entities.Item usedItem, bool beneficial)
{
byte freeIndex = this.GetFreeIndex(beneficial);
if (freeIndex == byte.MaxValue)
{
return((Aura)null);
}
Aura aura = new Aura(this, casterReference, spell, handlers, freeIndex, beneficial);
aura.UsedItem = usedItem;
this.AddAura(aura, false);
return(aura);
}
/// <summary>
/// Applies the given spell as a buff or debuff.
/// Also initializes the new Aura.
/// </summary>
/// <returns>null if Spell is not an Aura or an already existing version of the Aura that was refreshed</returns>
public Aura CreateAndStartAura(ObjectReference caster, Spell spell, bool noTimeout,
WCell.RealmServer.Entities.Item usedItem = null)
{
try
{
Aura aura = this.CreateAura(caster, spell, usedItem);
if (aura != null)
{
aura.Start((ITickTimer)null, noTimeout);
return(aura);
}
}
catch (Exception ex)
{
LogUtil.ErrorException(ex, "Unable to add new Aura \"{0}\" by \"{1}\" to: {2}", (object)spell,
(object)caster, (object)this.m_owner);
}
return((Aura)null);
}
/// <summary>
/// Applies the given spell as a buff or debuff.
/// Does not necessarily create
/// Also, initializes new Auras.
/// </summary>
/// <returns>null if Spell is not an Aura or an already existing version of the Aura that was refreshed</returns>
public Aura CreateAura(ObjectReference caster, Spell spell, WCell.RealmServer.Entities.Item usedItem = null)
{
try
{
bool flag = spell.IsBeneficialFor(caster, (WorldObject)this.m_owner);
AuraIndexId auraUid = spell.GetAuraUID(flag);
SpellFailedReason err = SpellFailedReason.Ok;
Aura aura1 = this.GetAura(caster, auraUid, spell);
if (aura1 != null && !this.PrepareStackOrOverride(caster, aura1, spell, ref err, (SpellCast)null))
{
if (err == SpellFailedReason.Ok)
{
return(aura1);
}
if (caster.Object is Character)
{
SpellHandler.SendCastFailed((IPacketReceiver)caster.Object, spell, err);
}
return((Aura)null);
}
List <AuraEffectHandler> auraEffectHandlers = spell.CreateAuraEffectHandlers(caster, this.m_owner, flag);
if (auraEffectHandlers != null)
{
Aura aura2 = this.CreateAura(caster, spell, auraEffectHandlers, usedItem, flag);
if (aura2 != null)
{
this.OnCreated(aura2);
}
return(aura2);
}
}
catch (Exception ex)
{
LogUtil.ErrorException(ex, "Unable to add new Aura \"{0}\" by \"{1}\" to: {2}", (object)spell,
(object)caster, (object)this.m_owner);
}
return((Aura)null);
}
private static void RemoveCombatSpell(Item item, ItemEnchantmentEffect effect)
{
item.OwningCharacter.RemoveProcHandler(handler =>
handler.ProcSpell != null && handler.ProcSpell.Id == effect.Misc);
}
private bool CheckFreeSlots(IList<SimpleSlotId> myFreeSlots, Item[] items)
{
var hasSlots = true;
var currentSlot = 0;
for (var i = 0; i < TRADE_SLOT_TRADED_COUNT; i++)
{
if (items[i] == null)
continue;
if (myFreeSlots.Count <= currentSlot)
{
hasSlots = false;
break;
}
var slot = myFreeSlots[currentSlot].Slot;
var container = myFreeSlots[currentSlot].Container;
var handler = container.GetHandler(slot);
var err = InventoryError.OK;
// Does not check if the slot is unoccupied, which is good
handler.CheckAdd(slot, items[i].Amount, items[i], ref err);
if (err != InventoryError.OK)
{
hasSlots = false;
break;
}
var amount = items[i].Amount;
container.CheckUniqueness(items[i], ref amount, ref err, true);
if (err != InventoryError.OK)
{
hasSlots = false;
break;
}
currentSlot++;
}
if (!hasSlots)
{
m_chr.SendSystemMessage("You don't have enough free slots");
Other.m_chr.SendSystemMessage("Other party doesn't have enough free slots");
SetTradeStatus(TradeStatus.StateChanged);
}
return hasSlots;
}
bool CheckItemRestriction(Item item)
{
if (item.Template.Class != RequiredItemClass)
{
return false;
}
if (RequiredItemSubClassMask > 0 && !item.Template.SubClassMask.HasAnyFlag(RequiredItemSubClassMask))
{
return false;
}
return true;
}
/// <summary>
/// Sends the Item's PushResult (required after adding items).
/// </summary>
public static void SendItemPushResult(Character owner, Item item, ItemTemplate templ, int amount, ItemReceptionType reception)
{
bool isStacked;
int contSlot;
uint propertySeed, randomPropid;
if (item != null)
{
contSlot = item.Container.Slot;
isStacked = item.Amount != amount; // item.Amount == amount means that it was not added to an existing stack
propertySeed = item.PropertySeed;
randomPropid = item.RandomPropertiesId;
}
else
{
contSlot = BaseInventory.INVALID_SLOT;
isStacked = true; // we did not have an item -> stacked
propertySeed = 0;
randomPropid = 0;
}
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_ITEM_PUSH_RESULT, 44))
{
packet.Write(owner.EntityId);
packet.Write((ulong)reception);
//packet.Write(received ? 1 : 0); // 0 = "You looted...", 1 = "You received..."
//packet.Write(isNew ? 1 : 0); // 0 = "You received/looted...", 1 = "You created..."
packet.Write(1); // log message
packet.Write((byte)contSlot);
packet.Write(isStacked ? -1 : item.Slot);
packet.Write(templ.Id);
packet.Write(propertySeed);
packet.Write(randomPropid);
packet.Write(amount); // amount added
packet.Write(owner.Inventory.GetAmount(templ.ItemId)); // amount of that type of item in inventory
owner.Send(packet);
}
}
public static void SendEnchantTimeUpdate(IPacketReceivingEntity owner, Item item, int duration)
{
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_ITEM_ENCHANT_TIME_UPDATE, 24))
{
packet.Write(item.EntityId);
packet.Write(item.Slot);
packet.Write(duration);
packet.Write(owner.EntityId);
owner.Send(packet);
}
}
private static void RemoveDamageFromItem(Item item, ItemEnchantmentEffect effect)
{
item.BonusDamage -= effect.MaxAmount;
if (item.IsEquippedItem)
{
item.Container.Owner.UpdateDamage((InventorySlot)item.Slot);
}
}
/// <summary>
/// Is called after the given item is removed from the given slot
/// </summary>
public void Removed(int slot, Item item)
{
}
private static void RemoveResistance(Item item, ItemEnchantmentEffect effect)
{
item.OwningCharacter.RemoveResistanceBuff((DamageSchool)effect.Misc, effect.MaxAmount);
}
private static void RemoveTotem(Item item, ItemEnchantmentEffect effect)
{
}
/// <summary>
/// Applies the given spell as a buff or debuff.
/// Also initializes the new Aura.
/// </summary>
/// <returns>null if Spell is not an Aura</returns>
public Aura CreateAndStartAura(ObjectReference caster, SpellId spell, bool noTimeout,
WCell.RealmServer.Entities.Item usedItem = null)
{
return(this.CreateAndStartAura(caster, SpellHandler.Get(spell), noTimeout, usedItem));
}
internal static void RemoveEnchantFromItem(Item item, ItemEnchantment enchant)
{
foreach (var effect in enchant.Entry.Effects)
{
var handler = RemoveEnchantFromItemHandlers[(uint)effect.Type];
if (handler != null)
{
handler(item, effect);
}
}
}
private void TransferItems(IList<SimpleSlotId> simpleSlots, Item[] items)
{
var slotId = 0;
for (var i = 0; i < items.Length; i++)
{
var item = items[i];
if (item == null) continue;
var simpleSlot = simpleSlots[slotId];
var amount = item.Amount;
simpleSlot.Container.Distribute(item.Template, ref amount);
if (amount < item.Amount)
{
item.Remove(true);
item.Amount -= amount;
simpleSlot.Container.AddUnchecked(simpleSlot.Slot, item, true);
}
else
{
// The whole stack was added to the other stacks, so we can delete the item
item.Destroy();
}
slotId++;
}
}
/// <summary>
/// Sends the Item's PushResult (required after adding items).
/// </summary>
public static void SendItemPushResult(Character owner, Item item, bool isNew, byte contSlot, int slot)
{
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_ITEM_PUSH_RESULT, 44))
{
packet.Write(owner.EntityId);
packet.Write(isNew ? 1 : 0);
packet.Write(isNew ? 0 : 1);
packet.Write(1);
packet.Write((byte)slot);
packet.Write((int)contSlot);
packet.Write(item.Template.Id);
packet.Write(item.PropertySeed);
packet.Write(item.RandomPropertiesId);
packet.Write(item.Amount);
packet.Write(item.Amount);
owner.Send(packet);
}
}
private static void DoNothing(Item item, ItemEnchantmentEffect effect)
{
}
private static void RemoveDamage(Item item, ItemEnchantmentEffect effect)
{
var owner = item.OwningCharacter;
owner.RemoveDamageDoneMod(DamageSchool.Physical, effect.MaxAmount);
owner.UpdateAllDamages();
}
/// <summary>
/// Removes the given EnchantEffect from the given Item and the wearer of the Item
/// </summary>
/// <param name="item"></param>
/// <param name="effect"></param>
internal static void RemoveEffect(Item item, ItemEnchantmentEffect effect)
{
RemoveEnchantHandlers[(uint)effect.Type](item, effect);
}
private static void RemoveEquipSpell(Item item, ItemEnchantmentEffect effect)
{
item.OwningCharacter.Auras.Cancel((SpellId)effect.Misc);
}
private static void ApplyEquipSpell(Item item, ItemEnchantmentEffect effect)
{
var owner = item.OwningCharacter;
var spell = SpellHandler.Get((SpellId)effect.Misc);
if (spell == null)
{
LogManager.GetCurrentClassLogger().Warn("{0} had invalid SpellId: {1}", effect, (SpellId)effect.Misc);
return;
}
SpellCast.ValidateAndTriggerNew(spell, owner, owner, null, item);
}
private static void RemoveStat(Item item, ItemEnchantmentEffect effect)
{
item.OwningCharacter.RemoveStatMod((ItemModType)effect.Misc, effect.MaxAmount);
}
public abstract void AddCooldown(Spell spell, WCell.RealmServer.Entities.Item casterItem);
/// <summary>
/// Applies the given EnchantEffect to the given Item and the wearer of the Item
/// </summary>
/// <param name="item"></param>
/// <param name="effect"></param>
internal static void ApplyEffect(Item item, ItemEnchantmentEffect effect)
{
ApplyEnchantHandlers[(uint)effect.Type](item, effect);
}
internal void OnBeforeUnEquip(Item item)
{
if (itemRestrictedAuras != null)
{
var plr = (Character)m_owner; // PlayerAuraCollection always has Character owner
foreach (var aura in itemRestrictedAuras)
{
if (aura.IsActivated)
{
aura.IsActivated =
MayActivate(aura, false) &&
aura.Spell.CheckItemRestrictionsWithout(plr.Inventory, item) == SpellFailedReason.Ok;
}
}
}
}
/// <summary>
/// Is called after the given item is added to the given slot
/// </summary>
public void Added(Item item)
{
}
private static void ApplyCombatSpell(Item item, ItemEnchantmentEffect effect)
{
var spell = SpellHandler.Get(effect.Misc);
if (spell == null)
{
ContentMgr.OnInvalidClientData("Enchantment Effect {0} had invalid SpellId: {1}", effect, (SpellId)effect.Misc);
}
else
{
item.OwningCharacter.AddProcHandler(new ItemHitProcHandler(item, spell));
}
}
public static void HandleSocketGem(IRealmClient client, RealmPacketIn packet)
{
var inv = client.ActiveCharacter.Inventory;
if (inv.CheckInteract() == InventoryError.OK)
{
var itemId = packet.ReadEntityId();
var item = inv.GetItem(itemId);
if (item == null)
{
return;
}
var gems = new Item[ItemConstants.MaxSocketCount];
for (var i = 0; i < ItemConstants.MaxSocketCount; i++)
{
var id = packet.ReadEntityId();
if (id != EntityId.Zero)
{
gems[i] = inv.GetItem(id);
}
}
item.ApplyGems(gems);
}
}
private static void ApplyDamage(Item item, ItemEnchantmentEffect effect)
{
var owner = item.OwningCharacter;
owner.AddDamageDoneMod(DamageSchool.Physical, effect.MaxAmount);
}
/// <summary>
/// item1 and item2 can be null, but item1 must be set in case of YOU_MUST_REACH_LEVEL_N.
/// </summary>
/// <param name="client"></param>
/// <param name="item1"></param>
/// <param name="item2"></param>
/// <param name="error"></param>
public static void SendInventoryError(IPacketReceiver client, Item item1, Item item2, InventoryError error)
{
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_INVENTORY_CHANGE_FAILURE,
error == InventoryError.YOU_MUST_REACH_LEVEL_N ? 22 : 18))
{
packet.WriteByte((byte)error);
if (item1 != null)
{
packet.Write(item1.EntityId.Full);
}
else
{
packet.Write((long)0);
}
if (item2 != null)
{
packet.Write(item2.EntityId.Full);
}
else
{
packet.Write((long)0);
}
packet.Write((byte)0);
if (error == InventoryError.YOU_MUST_REACH_LEVEL_N && item1 != null)
{
packet.WriteUInt(item1.Template.RequiredLevel);
}
client.Send(packet);
}
}
private static void ApplyEquipSpell(Item item, ItemEnchantmentEffect effect)
{
var owner = item.OwningCharacter;
owner.SpellCast.Trigger((SpellId)effect.Misc, owner);
}
/// <summary>
/// Sends the new state of the trading window to other party
/// </summary>
/// <param name="otherParty">Whether this is sending the own info to the other party (or, if false, to oneself)</param>
/// <param name="client">receiving party</param>
/// <param name="money">new amount of money</param>
/// <param name="items">new items</param>
public static void SendTradeUpdate(IPacketReceiver client, bool otherParty, uint money, Item[] items)
{
using (var pkt = new RealmPacketOut(RealmServerOpCode.SMSG_TRADE_STATUS_EXTENDED, 30 + 18 * 4 * items.Length))
{
pkt.Write(otherParty);
pkt.Write(0); // Trade id
pkt.Write(items.Length);
pkt.Write(items.Length);
pkt.Write(money);
pkt.Write(0);
for (var i = 0; i < items.Length; i++)
{
pkt.WriteByte(i);
var item = items[i];
if (item != null)
{
pkt.Write(item.EntryId);
pkt.Write(item.Template.DisplayId);
pkt.Write(item.Amount);
pkt.Write(0);
pkt.Write(item.GiftCreator);
var enchant = item.GetEnchantment(EnchantSlot.Permanent);
pkt.Write(enchant != null ? enchant.Entry.Id : 0);
pkt.Zero(4 * 3);
pkt.Write(item.Creator);
pkt.Write(item.SpellCharges);
pkt.Write(item.Template.RandomSuffixFactor);
pkt.Write(item.RandomPropertiesId);
var itemLock = item.Lock;
pkt.Write(itemLock != null ? itemLock.Id : 0);
pkt.Write(item.MaxDurability);
pkt.Write(item.Durability);
}
else
{
pkt.Zero(18 * 4);
}
}
client.Send(pkt);
}
}
private static void ApplyTotem(Item item, ItemEnchantmentEffect effect)
{
}
private void AddItems(IList<SimpleSlotId> simpleSlots, Item[] items)
{
var slotId = 0;
for (var i = 0; i < items.Length; i++)
{
var item = items[i];
if (item == null) continue;
var simpleSlot = simpleSlots[slotId];
var amount = item.Amount;
simpleSlot.Container.Distribute(item.Template, ref amount);
if (amount < item.Amount)
{
item.Amount -= amount;
simpleSlot.Container.AddUnchecked(simpleSlot.Slot, item, true);
}
else
{
// The whole stack was added to the other stacks, we can dispose of the item.
item.Amount = 0; // destroys the item.
}
slotId++;
}
}
/// <summary>
/// Checks whether the given inventory satisfies this Spell's item restrictions
/// </summary>
public SpellFailedReason CheckItemRestrictionsWithout(PlayerInventory inv, Item exclude)
{
if (RequiredItemClass == ItemClass.Armor || RequiredItemClass == ItemClass.Weapon)
{
Item item;
if (EquipmentSlot != EquipmentSlot.End)
{
item = inv[EquipmentSlot];
if (item == null || item == exclude)
{
return SpellFailedReason.EquippedItem;
}
if (!CheckItemRestriction(item))
{
return SpellFailedReason.EquippedItemClass;
}
}
else
{
if (inv.Iterate(ItemMgr.EquippableInvSlotsByClass[(int)RequiredItemClass], i => i == exclude || !CheckItemRestriction(i)))
{
return SpellFailedReason.EquippedItemClass;
}
}
}
if (RequiredItemInventorySlotMask != InventorySlotTypeMask.None)
{
if (inv.Iterate(RequiredItemInventorySlotMask, item => item == exclude || (item.Template.InventorySlotMask & RequiredItemInventorySlotMask) == 0
))
{
// iterated over all matching items and did not find the right one
return SpellFailedReason.EquippedItemClass;
}
}
return CheckGeneralItemRestrictions(inv);
}
