void Inventory::checkSize()
{
/*
* Check that the inventory size is greater than or equal to the size
* needed.
* If not, forcibly delete (drop?) items from the end until it is.
* Check that inventory capacity is greater than or equal to zero.
* If not, forcibly delete (drop?) items from the end until it is.
*/
while (mPoss->inventory.size() > INVENTORY_SLOTS
|| mClient->getModifiedAttribute(ATTR_INV_CAPACITY) < 0)
{
LOG_WARN("Inventory: oversize inventory! Deleting '"
<< mPoss->inventory.rbegin()->second.amount
<< "' items of type '"
<< mPoss->inventory.rbegin()->second.itemId
<< "' from slot '"
<< mPoss->inventory.rbegin()->first
<< "' of character '"
<< mClient->getName()
<< "'!");
// FIXME Should probably be dropped rather than deleted.
removeFromSlot(mPoss->inventory.rbegin()->first,
mPoss->inventory.rbegin()->second.amount);
}
}
bool Inventory::equip(int inventorySlot)
{
// Test inventory slot existence
InventoryData::iterator it;
if ((it = mPoss->inventory.find(inventorySlot)) == mPoss->inventory.end())
{
LOG_DEBUG("No existing item in inventory at slot: " << inventorySlot);
return false;
}
// Test the equipment scripted requirements
if (!testEquipScriptRequirements(it->second.itemId))
return false;
// Test the equip requirements. If none, it's not an equipable item.
const ItemEquipRequirement &equipReq =
itemManager->getItem(it->second.itemId)->getItemEquipRequirement();
if (!equipReq.equipSlotId)
{
LOG_DEBUG("No equip requirements for item id: " << it->second.itemId
<< " at slot: " << inventorySlot);
return false;
}
// List of potential unique itemInstances to unequip first.
std::set<unsigned> equipInstancesToUnequipFirst;
// We first check the equipment slots for:
// - 1. whether enough total equip slot space is available.
// - 2. whether some other equipment is to be unequipped first.
// If not enough total space in the equipment slot is available,
// we cannot equip.
if (itemManager->getEquipSlotCapacity(equipReq.equipSlotId)
< equipReq.capacityRequired)
{
LOG_DEBUG("Not enough equip capacity at slot: " << equipReq.equipSlotId
<< ", total available: "
<< itemManager->getEquipSlotCapacity(equipReq.equipSlotId)
<< ", required: " << equipReq.capacityRequired);
return false;
}
// Test whether some item(s) is(are) to be unequipped first.
if (!checkEquipmentCapacity(equipReq.equipSlotId,
equipReq.capacityRequired))
{
// And test whether the unequip action would succeed first.
if (testUnequipScriptRequirements(equipReq.equipSlotId)
&& hasInventoryEnoughSpace(equipReq.equipSlotId))
{
// Then, we unequip each iteminstance of the equip slot
for (EquipData::iterator iter =
mPoss->equipSlots.begin();
iter != mPoss->equipSlots.end(); ++iter)
{
if (iter->first == equipReq.equipSlotId
&& iter->second.itemInstance)
equipInstancesToUnequipFirst.insert(
iter->second.itemInstance);
}
}
else
{
// Some non-unequippable equipment is to be unequipped first.
// Can be the case of cursed items,
// or when the inventory is full, for instance.
return false;
}
}
// Potential Pre-unequipment process
for (std::set<unsigned>::const_iterator it3 =
equipInstancesToUnequipFirst.begin();
it3 != equipInstancesToUnequipFirst.end(); ++it3)
{
if (!unequip(*it3))
{
// Something went wrong even when we tested the unequipment process.
LOG_WARN("Unable to unequip even when unequip was tested. "
"Character : "
<< mCharacter->getComponent<BeingComponent>()->getName()
<< ", unequip slot: " << *it3);
return false;
}
}
// Actually equip the item now that the requirements has met.
//W equip slot type count, W item id, { W equip slot, W capacity used}*
MessageOut equipMsg(GPMSG_EQUIP);
equipMsg.writeInt16(it->second.itemId); // Item Id
equipMsg.writeInt16(1); // Number of equip slot changed.
// Compute an unique equip item Instance id (unicity is per character only.)
int itemInstance = getNewEquipItemInstance();
unsigned capacityLeft = equipReq.capacityRequired;
unsigned capacityUsed = 0;
// Apply equipment changes
for (EquipData::iterator it4 = mPoss->equipSlots.begin(),
it4_end = mPoss->equipSlots.end(); it4 != it4_end; ++it4)
{
if (!capacityLeft)
break;
// We've found an existing equip slot
if (it4->first == equipReq.equipSlotId)
{
// We've found an empty slot
if (it4->second.itemInstance == 0)
{
it4->second.itemId = it->second.itemId;
it4->second.itemInstance = itemInstance;
--capacityLeft;
}
else // The slot is already in use.
{
++capacityUsed;
}
}
}
// When there is still something to apply even when out of that loop,
// It means that the equip multimapis missing empty slots.
// Hence, we add them back
if(capacityLeft)
{
unsigned maxCapacity =
itemManager->getEquipSlotCapacity(equipReq.equipSlotId);
// A should never happen case
assert(maxCapacity >= capacityUsed + capacityLeft);
while (capacityLeft)
{
EquipmentItem equipItem(it->second.itemId, itemInstance);
mPoss->equipSlots.insert(
std::make_pair(equipReq.equipSlotId, equipItem));
--capacityLeft;
}
}
// Equip slot
equipMsg.writeInt16(equipReq.equipSlotId);
// Capacity used
equipMsg.writeInt16(equipReq.capacityRequired);
// Item instance
equipMsg.writeInt16(itemInstance);
// New item trigger
updateEquipmentTrigger(0, it->second.itemId);
// Remove item from inventory
removeFromSlot(inventorySlot, 1);
gameHandler->sendTo(mCharacter, equipMsg);
// Update look when necessary
checkLookchanges(equipReq.equipSlotId);
return true;
}
