/// <summary>
/// Tries to distribute the given amount of the given Item over all available stacks and add the remainder to a free slot.
/// Parts of the stack might have distributed over existing stacks, even if adding the remainder failed.
/// </summary>
/// <returns>InventoryError.OK in case that it could be added</returns>
public InventoryError TryAddAmount(Item item, int amount, bool isNew,
ItemReceptionType reception = ItemReceptionType.Receive)
{
int amount1 = amount;
InventoryError err = InventoryError.OK;
if (!this.Distribute(item.Template, ref amount1))
{
this.CheckUniqueness((IMountableItem)item, ref amount, ref err, isNew);
if (err == InventoryError.OK)
{
amount -= amount1;
item.Amount = amount;
SimpleSlotId freeSlot = this.FindFreeSlot((IMountableItem)item, amount);
if (freeSlot.Slot == (int)byte.MaxValue)
{
return(InventoryError.BAG_FULL);
}
freeSlot.Container.AddUnchecked(freeSlot.Slot, item.Template, amount, isNew);
}
}
else
{
amount -= amount1;
item.Amount = amount;
}
if (isNew)
{
this.OnAdded(item, item.Template, amount1 + amount, reception);
}
return(err);
}
/// <summary>
/// Tries to add an item with the given template and amount
/// </summary>
/// <param name="amount">Amount of items to be added: Will be set to the amount of Items that have actually been added.</param>
/// <returns>The result (InventoryError.OK in case that it worked)</returns>
public InventoryError TryAdd(ItemTemplate template, ref int amount,
ItemReceptionType reception = ItemReceptionType.Receive)
{
int amount1 = amount;
InventoryError err = InventoryError.OK;
Item obj = (Item)null;
if (!this.Distribute(template, ref amount1))
{
amount -= amount1;
this.CheckUniqueness((IMountableItem)template, ref amount, ref err, true);
if (err == InventoryError.OK)
{
SimpleSlotId freeSlot = this.FindFreeSlot((IMountableItem)template, amount);
if (freeSlot.Slot == (int)byte.MaxValue)
{
return(this.FullError);
}
obj = freeSlot.Container.AddUnchecked(freeSlot.Slot, template, amount, true);
}
}
this.OnAdded(obj, template, amount1 + (obj != null ? obj.Amount : 0), reception);
return(err);
}
/// <summary>
/// Tries to distribute the given item over all available stacks and add the remainder to a free slot.
/// IMPORTANT:
/// 1. The Item will be destroyed if it could successfully be distributed over existing stacks of Items.
/// 2. If item.Container == null, parts of the item-stack might have distributed over other stacks of the same type
/// but the remainder did not find a free slot or exceeded the max count of the item.
/// item.Amount will hold the remaining amount.
/// </summary>
/// <returns>The result (InventoryError.OK in case that it worked)</returns>
public InventoryError TryAdd(Item item, bool isNew, ItemReceptionType reception = ItemReceptionType.Receive)
{
int amount1 = item.Amount;
InventoryError err = InventoryError.OK;
int amount2 = amount1;
if (!this.Distribute(item.Template, ref amount2))
{
int amount3 = amount1 - amount2;
item.Amount = amount3;
this.CheckUniqueness((IMountableItem)item, ref amount3, ref err, isNew);
if (err == InventoryError.OK)
{
SimpleSlotId freeSlot = this.FindFreeSlot((IMountableItem)item, amount3);
if (freeSlot.Slot == (int)byte.MaxValue)
{
return(this.FullError);
}
freeSlot.Container.AddUnchecked(freeSlot.Slot, item, isNew);
}
}
else
{
int num = amount1 - amount2;
item.Amount = num;
}
if (isNew)
{
this.OnAdded(item, item.Template, amount2 + item.Amount, reception);
}
return(err);
}
/// <summary>
/// Finds a free slot for the given template and occpuies it with a placeholder.
/// Don't forget to remove it again.
/// </summary>
/// <param name="templ"></param>
/// <param name="amount"></param>
/// <returns></returns>
internal SimpleSlotId HoldFreeSlot(ItemTemplate templ, int amount)
{
SimpleSlotId freeSlot = this.FindFreeSlot((IMountableItem)templ, amount);
if (freeSlot.Slot != (int)byte.MaxValue)
{
freeSlot.Container.m_Items[freeSlot.Slot] = Item.PlaceHolder;
}
return(freeSlot);
}
/// <summary>
/// Tries to add a new item with the given id to a free slot.
/// </summary>
/// <returns>The result (InventoryError.OK in case that it worked)</returns>
public InventoryError TryAdd(ItemTemplate templ, ItemReceptionType reception = ItemReceptionType.Receive)
{
if (templ == null)
{
return(InventoryError.Invalid);
}
SimpleSlotId freeSlot = this.FindFreeSlot((IMountableItem)templ, 1);
if (freeSlot.Slot == (int)byte.MaxValue)
{
return(this.FullError);
}
return(freeSlot.Container.TryAdd(templ, freeSlot.Slot, reception));
}
internal void AddLoadedItem(Item item)
{
try
{
int slot = item.Slot;
BaseInventory baseInventory = this;
if (!this.IsValidSlot(slot))
{
SimpleSlotId freeSlot = this.OwnerInventory.FindFreeSlot(item, false);
if (slot == (int)byte.MaxValue)
{
LogManager.GetCurrentClassLogger()
.Warn("Ignoring loaded Item {0} in {1} because it has an invalid Slot: {2}", (object)item,
(object)this, (object)item.Slot);
return;
}
LogManager.GetCurrentClassLogger().Warn("Loaded Item {0} in {1} has invalid Slot: {2}",
(object)item, (object)this, (object)item.Slot);
slot = freeSlot.Slot;
baseInventory = freeSlot.Container;
}
if (baseInventory[slot] != null)
{
LogManager.GetCurrentClassLogger()
.Warn("Ignoring Item {0} for {1} because slot is already occupied by: {2}", (object)item,
(object)this.Owner, (object)baseInventory[slot]);
item.Destroy();
}
else
{
Character owner = this.Owner;
PlayerInventory ownerInventory = this.OwnerInventory;
baseInventory[slot] = item;
owner.AddItemToUpdate(item);
ownerInventory.OnAddDontNotify(item);
}
}
catch (Exception ex)
{
LogUtil.ErrorException(ex, "Unable to add Item \"{0}\" to {1}", new object[2]
{
(object)item,
(object)this
});
}
}
/// <summary>
/// Adds all given Items to the given slots.
/// Tries to distribute over existing stacks first.
/// </summary>
/// <param name="items"></param>
/// <returns></returns>
public void AddAllUnchecked <T>(T[] items, SimpleSlotId[] slots) where T : IItemStack
{
int length = items.Length;
for (int index = 0; index < length; ++index)
{
T obj = items[index];
int amount1 = obj.Amount;
if (!this.Distribute(obj.Template, ref amount1))
{
SimpleSlotId slot = slots[index];
int amount2 = obj.Amount - amount1;
slot.Container.m_Items[slot.Slot] = (Item)null;
slot.Container.AddUnchecked(slot.Slot, items[index].Template, amount2, true);
}
}
}
public InventoryError GetSlots <T>(T[] items, out SimpleSlotId[] slots) where T : IItemStack
{
var count = items.Length;
var err = InventoryError.OK;
SimpleSlotId slotId;
var i = 0;
slots = new SimpleSlotId[count];
for (; i < count; i++)
{
var item = items[i];
var templ = item.Template;
var amount = item.Amount;
CheckUniqueness(templ, ref amount, ref err, true);
if (err == InventoryError.OK && amount != item.Amount)
{
err = InventoryError.CANT_CARRY_MORE_OF_THIS;
break;
}
slotId = FindFreeSlot(templ, amount);
if (slotId.Slot == INVALID_SLOT)
{
// TODO: What if Item can be distributed over existing stacks?
err = InventoryError.INVENTORY_FULL;
break;
}
// occupy slot with placeholder
slotId.Container.m_Items[slotId.Slot] = Item.PlaceHolder;
slots[i] = slotId;
}
if (err != InventoryError.OK)
{
// remove placeholders
for (var j = 0; j < i; j++)
{
slotId = slots[j];
slotId.Container.m_Items[slotId.Slot] = null;
}
slots = null;
}
return(err);
}
public InventoryError GetSlots <T>(T[] items, out SimpleSlotId[] slots) where T : IItemStack
{
int length = items.Length;
InventoryError err = InventoryError.OK;
int index1 = 0;
slots = new SimpleSlotId[length];
SimpleSlotId freeSlot;
for (; index1 < length; ++index1)
{
T obj = items[index1];
ItemTemplate template = obj.Template;
int amount = obj.Amount;
this.CheckUniqueness((IMountableItem)template, ref amount, ref err, true);
if (err == InventoryError.OK && amount != obj.Amount)
{
err = InventoryError.CANT_CARRY_MORE_OF_THIS;
break;
}
freeSlot = this.FindFreeSlot((IMountableItem)template, amount);
if (freeSlot.Slot == (int)byte.MaxValue)
{
err = InventoryError.INVENTORY_FULL;
break;
}
freeSlot.Container.m_Items[freeSlot.Slot] = Item.PlaceHolder;
slots[index1] = freeSlot;
}
if (err != InventoryError.OK)
{
for (int index2 = 0; index2 < index1; ++index2)
{
freeSlot = slots[index2];
freeSlot.Container.m_Items[freeSlot.Slot] = (Item)null;
}
slots = (SimpleSlotId[])null;
}
return(err);
}
public override SpellFailedReason CheckValidTarget(WorldObject target)
{
var templId = Effect.ItemId;
templ = ItemMgr.GetTemplate(templId);
amount = CalcEffectValue();
if (templ == null)
{
log.Warn("Spell {0} referred to invalid Item {1}", Effect.Spell, templId);
return SpellFailedReason.ItemNotFound;
}
// find a free slot
slotId = ((Character)target).Inventory.FindFreeSlotCheck(templ, amount);
if (slotId.Slot == BaseInventory.INVALID_SLOT)
{
ItemHandler.SendInventoryError((Character)target, InventoryError.INVENTORY_FULL);
return SpellFailedReason.DontReport;
}
return SpellFailedReason.Ok;
}
public override SpellFailedReason InitializeTarget(WorldObject target)
{
var templId = Effect.ItemId;
templ = ItemMgr.GetTemplate(templId);
amount = CalcEffectValue();
if (templ == null)
{
log.Warn("Spell {0} referred to invalid Item {1}", Effect.Spell, templId);
return SpellFailedReason.ItemNotFound;
}
// find a free slot
// TODO: Add & use HoldFreeSlotCheck instead, so slot won't get occupied
InventoryError error;
slotId = ((Character)target).Inventory.FindFreeSlotCheck(templ, amount, out error);
if (error != InventoryError.OK)
{
ItemHandler.SendInventoryError((Character)target, error);
return SpellFailedReason.DontReport;
}
return SpellFailedReason.Ok;
}
/// <summary>
/// Gets 0 to max free slots in the backpack or one of the equipped bags and optionally the bank (+ its bags)
/// </summary>
/// <param name="inclBank">whether to also look in the bank for free slots</param>
/// <param name="max">The max of free inventory slots to be returned</param>
public IList<SimpleSlotId> FindFreeSlots(bool inclBank, int max)
{
var slotList = new List<SimpleSlotId>();
var slots = inclBank ? ItemMgr.InvSlotsWithBank : ItemMgr.StorageSlotsWithoutBank;
var contLookup = ItemMgr.ContainerSlotsWithBank;
for (var i1 = 0; i1 < slots.Length; i1++)
{
var avlblSlot = (int)slots[i1];
if (contLookup[avlblSlot])
{
var container = m_Items[avlblSlot] as Container;
if (container != null)
{
var contInv = container.BaseInventory;
var contItems = contInv.Items;
for (var i = 0; i < contItems.Length; i++)
{
if (contItems[i] == null)
{
var slotId = new SimpleSlotId { Container = contInv, Slot = i };
slotList.Add(slotId);
if (slotList.Count == max)
return slotList;
}
}
}
}
else if (m_Items[avlblSlot] == null)
{
var slotId = new SimpleSlotId { Container = this, Slot = avlblSlot };
slotList.Add(slotId);
if (slotList.Count == max)
{
return slotList;
}
}
}
return slotList;
}
/// <summary>
/// Gets a free slot in the bank or one of the bankbags
/// </summary>
public SimpleSlotId FindFreeBankSlot(IMountableItem item, int amount)
{
var slotId = new SimpleSlotId();
for (var i = 0; i < ItemMgr.BankSlots.Length; i++)
{
var avlblSlot = (int)ItemMgr.BankSlots[i];
if (m_Items[avlblSlot] == null)
{
slotId.Container = this;
slotId.Slot = avlblSlot;
return slotId;
}
}
for (var i1 = 0; i1 < ItemMgr.BankBagSlots.Length; i1++)
{
var avlblSlot = (int)ItemMgr.BankBagSlots[i1];
var container = m_Items[avlblSlot] as Container;
if (container != null)
{
var contInv = container.BaseInventory;
if (contInv.CheckAdd(0, item, amount) == InventoryError.OK)
{
var contItems = contInv.Items;
for (var i = 0; i < contItems.Length; i++)
{
if (contItems[i] == null)
{
slotId.Container = contInv;
slotId.Slot = i;
return slotId;
}
}
}
}
}
slotId.Slot = INVALID_SLOT;
return slotId;
}
/// <summary>
/// Sets slotId to the slot that the given templ would prefer (if it has any bag preference).
/// </summary>
/// <param name="templ"></param>
/// <param name="slotId"></param>
public void GetPreferredSlot(ItemTemplate templ, int amount, ref SimpleSlotId slotId)
{
if (templ.IsKey)
{
slotId.Container = this;
slotId.Slot = KeyRing.FindFreeSlot();
}
else if (!templ.IsContainer && templ.BagFamily != ItemBagFamilyMask.None)
{
for (var slot = InventorySlot.Bag1; slot <= InventorySlot.BagLast; slot++)
{
var bag = this[slot] as Container;
if (bag != null && bag.Template.BagFamily != 0)
{
var inv = bag.BaseInventory;
if (bag.Template.MayAddToContainer(templ))
{
slotId.Slot = inv.FindFreeSlot();
if (slotId.Slot != INVALID_SLOT)
{
slotId.Container = inv;
break;
}
}
}
}
}
}
/// <summary>
/// Finds up to max items that are validated by the given validator and puts them in the given list.
/// </summary>
/// <param name="inclBank">whether to also search in the bank and its bags (if not enough was found in inventory and bags)</param>
/// <param name="max">Maximum amount of items to be looked through</param>
/// <param name="list">List of slot-identifiers for the items to be added to</param>
/// <returns>The amount of found items</returns>
public int Find(bool inclBank, int max, IList<SimpleSlotId> list, Func<Item, bool> validator)
{
var slots = inclBank ? ItemMgr.InvSlotsWithBank : ItemMgr.StorageSlotsWithoutBank;
var found = 0;
var contLookup = ItemMgr.ContainerSlotsWithBank;
Item item;
foreach (int avlblSlot in slots)
{
item = m_Items[avlblSlot];
if (contLookup[avlblSlot])
{
var container = item as Container;
if (container != null)
{
var contInv = container.BaseInventory;
var contItems = contInv.Items;
for (var i = 0; i < contItems.Length; i++)
{
item = contItems[i];
if (item != null && validator(item))
{
found += item.Amount;
var slotId = new SimpleSlotId { Container = contInv, Slot = i };
list.Add(slotId);
if (found >= max)
{
return found;
}
}
}
}
}
else if (item != null && validator(item))
{
found += item.Amount;
var slotId = new SimpleSlotId
{
Container = this,
Slot = avlblSlot
};
list.Add(slotId);
if (found >= max)
{
return found;
}
}
}
return found;
}
/// <summary>
/// Finds up to max items that are validated by the given validator and puts them in the given list.
/// </summary>
/// <param name="inclBank">whether to also search in the bank and its bags (if not enough was found in inventory and bags)</param>
/// <param name="max">Maximum amount of items to be looked through</param>
/// <param name="list">List of slot-identifiers for the items to be added to</param>
/// <returns>The amount of found items</returns>
public int Find(bool inclBank, int max, IList<SimpleSlotId> list, Func<Item, bool> validator)
{
var found = 0;
Iterate(inclBank, item =>
{
if (validator(item))
{
found += item.Amount;
var slotId = new SimpleSlotId { Container = item.Container, Slot = item.Slot };
list.Add(slotId);
if (found >= max)
{
return false;
}
}
return true;
});
return found;
}
