示例#1
0
/**
 * Informs a player of what happened around the character.
 */
static void informPlayer(MapComposite *map, Character *p)
{
    MessageOut moveMsg(GPMSG_BEINGS_MOVE);
    MessageOut damageMsg(GPMSG_BEINGS_DAMAGE);
    const Point &pold = p->getOldPosition(), ppos = p->getPosition();
    int pid = p->getPublicID(), pflags = p->getUpdateFlags();
    int visualRange = Configuration::getValue("game_visualRange", 448);

    // Inform client about activities of other beings near its character
    for (BeingIterator it(map->getAroundBeingIterator(p, visualRange));
         it; ++it)
    {
        Being *o = *it;

        const Point &oold = o->getOldPosition(), opos = o->getPosition();
        int otype = o->getType();
        int oid = o->getPublicID(), oflags = o->getUpdateFlags();
        int flags = 0;

        // Check if the character p and the moving object o are around.
        bool wereInRange = pold.inRangeOf(oold, visualRange) &&
                           !((pflags | oflags) & UPDATEFLAG_NEW_ON_MAP);
        bool willBeInRange = ppos.inRangeOf(opos, visualRange);

        if (!wereInRange && !willBeInRange)
        {
            // Nothing to report: o and p are far away from each other.
            continue;
        }


        if (wereInRange && willBeInRange)
        {
            // Send attack messages.
            if ((oflags & UPDATEFLAG_ATTACK) && oid != pid)
            {
                MessageOut AttackMsg(GPMSG_BEING_ATTACK);
                AttackMsg.writeInt16(oid);
                AttackMsg.writeInt8(o->getDirection());
                AttackMsg.writeInt8(static_cast< Being * >(o)->getAttackId());
                gameHandler->sendTo(p, AttackMsg);
            }

            // Send action change messages.
            if ((oflags & UPDATEFLAG_ACTIONCHANGE))
            {
                MessageOut ActionMsg(GPMSG_BEING_ACTION_CHANGE);
                ActionMsg.writeInt16(oid);
                ActionMsg.writeInt8(static_cast< Being * >(o)->getAction());
                gameHandler->sendTo(p, ActionMsg);
            }

            // Send looks change messages.
            if (oflags & UPDATEFLAG_LOOKSCHANGE)
            {
                MessageOut LooksMsg(GPMSG_BEING_LOOKS_CHANGE);
                LooksMsg.writeInt16(oid);
                Character * c = static_cast<Character * >(o);
                serializeLooks(c, LooksMsg);
                LooksMsg.writeInt16(c->getHairStyle());
                LooksMsg.writeInt16(c->getHairColor());
                LooksMsg.writeInt16(c->getGender());
                gameHandler->sendTo(p, LooksMsg);
            }

            // Send emote messages.
            if (oflags & UPDATEFLAG_EMOTE)
            {
                int emoteId = o->getLastEmote();
                if (emoteId > -1)
                {
                    MessageOut EmoteMsg(GPMSG_BEING_EMOTE);
                    EmoteMsg.writeInt16(oid);
                    EmoteMsg.writeInt16(emoteId);
                    gameHandler->sendTo(p, EmoteMsg);
                }
            }

            // Send direction change messages.
            if (oflags & UPDATEFLAG_DIRCHANGE)
            {
                MessageOut DirMsg(GPMSG_BEING_DIR_CHANGE);
                DirMsg.writeInt16(oid);
                DirMsg.writeInt8(o->getDirection());
                gameHandler->sendTo(p, DirMsg);
            }

            // Send damage messages.
            if (o->canFight())
            {
                Being *victim = static_cast< Being * >(o);
                const Hits &hits = victim->getHitsTaken();
                for (Hits::const_iterator j = hits.begin(),
                     j_end = hits.end(); j != j_end; ++j)
                {
                    damageMsg.writeInt16(oid);
                    damageMsg.writeInt16(*j);
                }
            }

            if (oold == opos)
            {
                // o does not move, nothing more to report.
                continue;
            }
        }

        if (!willBeInRange)
        {
            // o is no longer visible from p. Send leave message.
            MessageOut leaveMsg(GPMSG_BEING_LEAVE);
            leaveMsg.writeInt16(oid);
            gameHandler->sendTo(p, leaveMsg);
            continue;
        }

        if (!wereInRange)
        {
            // o is now visible by p. Send enter message.
            MessageOut enterMsg(GPMSG_BEING_ENTER);
            enterMsg.writeInt8(otype);
            enterMsg.writeInt16(oid);
            enterMsg.writeInt8(static_cast< Being *>(o)->getAction());
            enterMsg.writeInt16(opos.x);
            enterMsg.writeInt16(opos.y);
            enterMsg.writeInt8(o->getDirection());
            enterMsg.writeInt8(o->getGender());
            switch (otype)
            {
                case OBJECT_CHARACTER:
                {
                    Character *q = static_cast< Character * >(o);
                    enterMsg.writeString(q->getName());
                    enterMsg.writeInt8(q->getHairStyle());
                    enterMsg.writeInt8(q->getHairColor());
                    serializeLooks(q, enterMsg);
                } break;

                case OBJECT_MONSTER:
                {
                    Monster *q = static_cast< Monster * >(o);
                    enterMsg.writeInt16(q->getSpecy()->getId());
                    enterMsg.writeString(q->getName());
                } break;

                case OBJECT_NPC:
                {
                    NpcComponent *npcComponent = o->getComponent<NpcComponent>();
                    enterMsg.writeInt16(npcComponent->getNpcId());
                    enterMsg.writeString(o->getName());
                } break;

                default:
                    assert(false); // TODO
                    break;
            }
            gameHandler->sendTo(p, enterMsg);
        }

        if (opos != oold)
        {
            // Add position check coords every 5 seconds.
            if (currentTick % 50 == 0)
                flags |= MOVING_POSITION;

            flags |= MOVING_DESTINATION;
        }

        // Send move messages.
        moveMsg.writeInt16(oid);
        moveMsg.writeInt8(flags);
        if (flags & MOVING_POSITION)
        {
            moveMsg.writeInt16(oold.x);
            moveMsg.writeInt16(oold.y);
        }

        if (flags & MOVING_DESTINATION)
        {
            moveMsg.writeInt16(opos.x);
            moveMsg.writeInt16(opos.y);
            // We multiply the sent speed (in tiles per second) by ten
            // to get it within a byte with decimal precision.
            // For instance, a value of 4.5 will be sent as 45.
            moveMsg.writeInt8((unsigned short)
                (o->getModifiedAttribute(ATTR_MOVE_SPEED_TPS) * 10));
        }
    }

    // Do not send a packet if nothing happened in p's range.
    if (moveMsg.getLength() > 2)
        gameHandler->sendTo(p, moveMsg);

    if (damageMsg.getLength() > 2)
        gameHandler->sendTo(p, damageMsg);

    // Inform client about status change.
    p->sendStatus();

    // Inform client about health change of party members
    for (CharacterIterator i(map->getWholeMapIterator()); i; ++i)
    {
        Character *c = *i;

        // Make sure its not the same character
        if (c == p)
            continue;

        // make sure they are in the same party
        if (c->getParty() == p->getParty())
        {
            int cflags = c->getUpdateFlags();
            if (cflags & UPDATEFLAG_HEALTHCHANGE)
            {
                MessageOut healthMsg(GPMSG_BEING_HEALTH_CHANGE);
                healthMsg.writeInt16(c->getPublicID());
                healthMsg.writeInt16(c->getModifiedAttribute(ATTR_HP));
                healthMsg.writeInt16(c->getModifiedAttribute(ATTR_MAX_HP));
                gameHandler->sendTo(p, healthMsg);
            }
        }
    }

    // Inform client about items on the ground around its character
    MessageOut itemMsg(GPMSG_ITEMS);
    for (FixedActorIterator it(map->getAroundBeingIterator(p, visualRange));
         it; ++it)
    {
        Actor *o = *it;

        assert(o->getType() == OBJECT_ITEM ||
               o->getType() == OBJECT_EFFECT);

        Point opos = o->getPosition();
        int oflags = o->getUpdateFlags();
        bool willBeInRange = ppos.inRangeOf(opos, visualRange);
        bool wereInRange = pold.inRangeOf(opos, visualRange) &&
                           !((pflags | oflags) & UPDATEFLAG_NEW_ON_MAP);

        if (willBeInRange ^ wereInRange)
        {
            switch (o->getType())
            {
                case OBJECT_ITEM:
                {
                    ItemComponent *item = o->getComponent<ItemComponent>();
                    ItemClass *itemClass = item->getItemClass();

                    if (oflags & UPDATEFLAG_NEW_ON_MAP)
                    {
                        /* Send a specific message to the client when an item appears
                           out of nowhere, so that a sound/animation can be performed. */
                        MessageOut appearMsg(GPMSG_ITEM_APPEAR);
                        appearMsg.writeInt16(itemClass->getDatabaseID());
                        appearMsg.writeInt16(opos.x);
                        appearMsg.writeInt16(opos.y);
                        gameHandler->sendTo(p, appearMsg);
                    }
                    else
                    {
                        itemMsg.writeInt16(willBeInRange ? itemClass->getDatabaseID() : 0);
                        itemMsg.writeInt16(opos.x);
                        itemMsg.writeInt16(opos.y);
                    }
                }
                break;
                case OBJECT_EFFECT:
                {
                    EffectComponent *e = o->getComponent<EffectComponent>();
                    e->setShown();
                    // Don't show old effects
                    if (!(oflags & UPDATEFLAG_NEW_ON_MAP))
                        break;

                    if (Being *b = e->getBeing())
                    {
                        MessageOut effectMsg(GPMSG_CREATE_EFFECT_BEING);
                        effectMsg.writeInt16(e->getEffectId());
                        effectMsg.writeInt16(b->getPublicID());
                        gameHandler->sendTo(p, effectMsg);
                    } else {
                        MessageOut effectMsg(GPMSG_CREATE_EFFECT_POS);
                        effectMsg.writeInt16(e->getEffectId());
                        effectMsg.writeInt16(opos.x);
                        effectMsg.writeInt16(opos.y);
                        gameHandler->sendTo(p, effectMsg);
                    }
                }
                break;
                default: break;
            } // Switch
        }
    }

    // Do not send a packet if nothing happened in p's range.
    if (itemMsg.getLength() > 2)
        gameHandler->sendTo(p, itemMsg);
}
示例#2
0
void Inventory::initialize()
{
    /*
     * Construct a set of item Ids to keep track of duplicate item Ids.
     */
    std::set<unsigned> itemIds;

    /*
     * Construct a set of itemIds to keep track of duplicate itemIds.
     */
    InventoryData::iterator it1;
    for (it1 = mPoss->inventory.begin(); it1 != mPoss->inventory.end();)
    {
        ItemClass *item = itemManager->getItem(it1->second.itemId);
        if (item)
        {
            // If the insertion succeeded, it's the first time we're
            // adding the item in the inventory. Hence, we can trigger
            // item presence in inventory effect.
            if (itemIds.insert(it1->second.itemId).second)
                item->useTrigger(mCharacter, ITT_IN_INVY);
            ++it1;
        }
        else
        {
            LOG_WARN("Inventory: deleting unknown item type "
                     << it1->second.itemId << " from the inventory of '"
                     << mCharacter->getComponent<BeingComponent>()->getName()
                     << "'!");
            mPoss->inventory.erase(it1++);
        }
    }

    itemIds.clear();

    /*
     * Equipment effects can be cumulative if more than one item instance
     * is equipped, but we check to trigger the item presence in equipment
     * effect only based on the first item instance insertion.
     */
    EquipData::iterator it2;
    for (it2 = mPoss->equipSlots.begin(); it2 != mPoss->equipSlots.end();)
    {
        ItemClass *item = itemManager->getItem(it2->second.itemId);
        if (item)
        {
            // TODO: Check equip conditions.
            // If not all needed slots are there, put the item back
            // in the inventory.
        }
        else
        {
            LOG_WARN("Equipment: deleting unknown item id "
                     << it2->second.itemId << " from the equipment of '"
                     << mCharacter->getComponent<BeingComponent>()->getName()
                     << "'!");
            mPoss->equipSlots.erase(it2++);
            continue;
        }

        /*
         * Apply all equip triggers at first item instance insertion
         */
        if (itemIds.insert(it2->second.itemInstance).second)
        {
            itemManager->getItem(it2->second.itemId)
                ->useTrigger(mCharacter, ITT_EQUIP);
        }

        ++it2;
    }
}
示例#3
0
/**
 * Read an <item> element from settings.
 * Used by SettingsManager.
 */
void ItemManager::readItemNode(xmlNodePtr itemNode, const std::string &filename)
{
    const int id = XML::getProperty(itemNode, "id", 0);
    if (id < 1)
    {
        LOG_WARN("Item Manager: Item ID: " << id << " is invalid in "
                 << filename << ", and will be ignored.");
        return;
    }

    // Type is mostly unused, but still serves for hairsheets and race sheets
    const std::string type = XML::getProperty(itemNode, "type", std::string());
    if (type == "hairsprite" || type == "racesprite")
        return;

    ItemClasses::iterator i = mItemClasses.find(id);

    if (i != mItemClasses.end())
    {
        LOG_WARN("Item Manager: Ignoring duplicate definition of item '" << id
                 << "'!");
        return;
    }

    unsigned maxPerSlot = XML::getProperty(itemNode, "max-per-slot", 0);
    if (!maxPerSlot)
    {
        LOG_WARN("Item Manager: Missing max-per-slot property for "
                 "item " << id << " in " << filename << '.');
        maxPerSlot = 1;
    }

    ItemClass *item = new ItemClass(id, maxPerSlot);
    mItemClasses.insert(std::make_pair(id, item));

    const std::string name = XML::getProperty(itemNode, "name", std::string());
    if (!name.empty())
    {
        item->setName(name);

        if (mItemClassesByName.contains(name))
            LOG_WARN("Item Manager: Name not unique for item " << id);
        else
            mItemClassesByName.insert(name, item);
    }

    int value = XML::getProperty(itemNode, "value", 0);
    // Should have multiple value definitions for multiple currencies?
    item->mCost = value;

    for_each_xml_child_node(subNode, itemNode)
    {
        if (xmlStrEqual(subNode->name, BAD_CAST "equip"))
        {
            readEquipNode(subNode, item);
        }
        else if (xmlStrEqual(subNode->name, BAD_CAST "effect"))
        {
            readEffectNode(subNode, item);
        }
        // More properties go here
    }
}
示例#4
0
unsigned Inventory::insert(unsigned itemId, unsigned amount)
{
    if (!itemId || !amount)
        return 0;

    MessageOut invMsg(GPMSG_INVENTORY);
    ItemClass *item = itemManager->getItem(itemId);
    if (!item) {
        LOG_ERROR("Inventory: Trying to insert invalid item id " << itemId
                  << " (amount: " << amount << ")");
        return amount;
    }
    unsigned maxPerSlot = item->getMaxPerSlot();

    LOG_DEBUG("Inventory: Inserting " << amount << " item(s) Id: " << itemId
              << " for character '"
              << mCharacter->getComponent<BeingComponent>()->getName() << "'.");

    InventoryData::iterator it, it_end = mPoss->inventory.end();
    // Add to slots with existing items of this type first.
    for (it = mPoss->inventory.begin(); it != it_end; ++it)
    {
        if (it->second.itemId == itemId)
        {
            // If the slot is full, try the next slot
            if (it->second.amount >= maxPerSlot)
                continue;

            // Add everything that'll fit to the stack
            unsigned short spaceLeft = maxPerSlot - it->second.amount;
            if (spaceLeft >= amount)
            {
                it->second.amount += amount;
                amount = 0;
                LOG_DEBUG("Everything inserted at slot id: " << it->first);
            }
            else
            {
                it->second.amount += spaceLeft;
                amount -= spaceLeft;
                LOG_DEBUG(spaceLeft << " item(s) inserted at slot id: "
                          << it->first);
            }

            invMsg.writeInt16(it->first);
            invMsg.writeInt16(itemId);
            invMsg.writeInt16(it->second.amount);
            if (!amount)
                break;
        }
    }

    int slot = 0;
    // We still have some left, so add to blank slots.
    for (it = mPoss->inventory.begin();; ++it)
    {
        if (!amount)
            break;
        int lim = (it == it_end) ? INVENTORY_SLOTS : it->first;
        while (amount && slot < lim)
        {
            int additions = std::min(amount, maxPerSlot);
            mPoss->inventory[slot].itemId = itemId;
            mPoss->inventory[slot].amount = additions;
            amount -= additions;
            LOG_DEBUG(additions << " item(s) inserted at slot id: " << slot);
            invMsg.writeInt16(slot++); // Last read, so also increment
            invMsg.writeInt16(itemId);
            invMsg.writeInt16(additions);
        }
        ++slot; // Skip the slot that the iterator points to
        if (it == it_end)
            break;
    }

    item->useTrigger(mCharacter, ITT_IN_INVY);

    // Send that first, before checking potential removals
    if (invMsg.getLength() > 2)
        gameHandler->sendTo(mCharacter, invMsg);

    return amount;
}
示例#5
0
static void handleItem(Character *player, std::string &args)
{
    Character *other;
    ItemClass *ic;
    int value = 0;

    // get arguments
    std::string character = getArgument(args);
    std::string itemclass = getArgument(args);
    std::string valuestr = getArgument(args);

    // check all arguments are there
    if (character.empty() || itemclass.empty())
    {
        say("Invalid number of arguments given.", player);
        say("Usage: @item <character> <item> [amount]", player);
        return;
    }

    // if it contains # that means the player
    if (character == "#")
    {
        other = player;
    }
    else
    {
        // check for valid player
        other = gameHandler->getCharacterByNameSlow(character);
        if (!other)
        {
            say("Invalid character or they are offline", player);
            return;
        }
    }

    // identify the item type
    if (utils::isNumeric(itemclass))
    {
        int id = utils::stringToInt(itemclass);
        ic = itemManager->getItem(id);
    }
    else
    {
        ic = itemManager->getItemByName(itemclass);
    }
    if (!ic)
    {
        say("Invalid item", player);
        return;
    }

    //identify the amount
    if  (valuestr.empty())
    {
        value = 1;
    }
    else if (utils::isNumeric(valuestr))
    {
        value = utils::stringToInt(valuestr);
    }
    // check for valid amount
    if (value <= 0)
    {
        say("Invalid number of items", player);
        return;
    }

    // insert the item into the inventory
    Inventory(other).insert(ic->getDatabaseID(), value);

    // log transaction
    std::stringstream str;
    str << "User created item " << ic->getDatabaseID();
    accountHandler->sendTransaction(player->getDatabaseID(), TRANS_CMD_ITEM, str.str());
}
示例#6
0
static void handleCraft(Character *player, std::string &args)
{
    std::stringstream errMsg;
    std::list<InventoryItem> recipe;
    Inventory playerInventory(player);
    std::map<int, int> totalAmountOfItem;

    while (true)
    {
        // parsing
        std::string strItem = getArgument(args);
        ItemClass* item = itemManager->getItemByName(strItem);
        std::string strAmount = getArgument(args);
        int amount = utils::stringToInt(strAmount);

        // syntax error checking
        if (strItem.empty())
        {
            // the item list has ended
            break;
        }
        if (!item)
        {
            // item wasn't found in the item database
            errMsg << "Unknown item: \"" << strItem << "\".";
            break;
        }

        if (strAmount.empty())
        {
            // the last item in the list has no amount defined
            errMsg << "No amount given for \"" << strItem << "\".";
            break;
        }
        if (amount < 1)
        {
            errMsg << "Illegal amount \""<< strAmount << "\" for item \"" << strItem << "\".";
            break;
        }

        // inventory checking
        int available = playerInventory.count(item->getDatabaseID());
        if (available == 0)
        {
            errMsg << "You have no "<< strItem << " in your inventory.";
            break;
        }
        if (available < amount)
        {
            errMsg << "You haven't got that many "<< strItem << "s in your inventory.";
            break;
        }

        // when there is still no break, add the item;
        InventoryItem recipeItem;
        recipeItem.itemId = item->getDatabaseID();
        recipeItem.amount = amount;
        recipe.push_back(recipeItem);
    }

    if (!errMsg.str().empty())
    {
        // when an error occured, output the error
        say(errMsg.str(), player);
        return;
    } else {
        // pass to script engine. The engine is responsible for all
        // further processing of the crafting operation, including
        // outputting an error message when the recipe is invalid.
        ScriptManager::performCraft(player, recipe);
    }
}
示例#7
0
void Inventory::initialise()
{
    assert(!mDelayed);

    InventoryData::iterator it1;
    EquipData::const_iterator it2, it2_end = mPoss->equipSlots.end();
    /*
     * Apply all exists triggers.
     * Remove unknown inventory items.
     */

    ItemIdSet itemIds;

    /*
     * Construct a set of itemIds to keep track of duplicate itemIds.
     */
    for (it1 = mPoss->inventory.begin(); it1 != mPoss->inventory.end();)
    {
        ItemClass *item = itemManager->getItem(it1->second.itemId);
        if (item)
        {
            if (itemIds.insert(it1->second.itemId).second)
                item->useTrigger(mClient, ITT_IN_INVY);
            ++it1;
        }
        else
        {
            LOG_WARN("Inventory: deleting unknown item type "
                     << it1->second.itemId << " from the inventory of '"
                     << mClient->getName()
                     << "'!");
            mPoss->inventory.erase(it1++);
        }
    }

    itemIds.clear();

    typedef std::set<unsigned int> SlotSet;
    SlotSet equipment;

    /*
     * Construct a set of slot references from equipment to keep track of
     * duplicate slot usage.
     */
    for (it2 = mPoss->equipSlots.begin(); it2 != it2_end; ++it2)
    {
        if (equipment.insert(it2->second).second)
        {
            /*
             * Perform checks for equipped items - check that all needed slots are available.
             */
            // TODO - Not needed for testing everything else right now, but
            //        will be needed for production
            /*
             * Apply all equip triggers.
             */
            itemManager->getItem(mPoss->inventory.at(it2->second).itemId)
                    ->useTrigger(mClient, ITT_EQUIP);
        }
    }

    equipment.clear();

    checkSize();
}
示例#8
0
void GameHandler::processMessage(NetComputer *comp, MessageIn &message)
{
    GameClient &computer = *static_cast< GameClient * >(comp);
    MessageOut result;

    if (computer.status == CLIENT_LOGIN)
    {
        if (message.getId() != PGMSG_CONNECT)
            return;

        std::string magic_token = message.readString(MAGIC_TOKEN_LENGTH);
        computer.status = CLIENT_QUEUED; // Before the addPendingClient
        mTokenCollector.addPendingClient(magic_token, &computer);
        return;
    }
    else if (computer.status != CLIENT_CONNECTED)
    {
        return;
    }

    switch (message.getId())
    {
        case PGMSG_SAY:
        {
            std::string say = message.readString();
            if (say.empty()) break;

            if (say[0] == '@')
            {
                CommandHandler::handleCommand(computer.character, say);
                break;
            }
            GameState::sayAround(computer.character, say);
            std::string msg = computer.character->getName() + " said " + say;
            accountHandler->sendTransaction(computer.character->getDatabaseID(), TRANS_MSG_PUBLIC, msg);
        } break;

        case PGMSG_NPC_TALK:
        case PGMSG_NPC_TALK_NEXT:
        case PGMSG_NPC_SELECT:
        case PGMSG_NPC_NUMBER:
        case PGMSG_NPC_STRING:
        {
            int id = message.readShort();
            Actor *o = findActorNear(computer.character, id);
            if (!o || o->getType() != OBJECT_NPC)
            {
                sendError(comp, id, "Not close enough to NPC\n");
                break;
            }

            NPC *q = static_cast< NPC * >(o);
            if (message.getId() == PGMSG_NPC_SELECT)
            {
                q->select(computer.character, message.readByte());
            }
            else if (message.getId() == PGMSG_NPC_NUMBER)
            {
                q->integerReceived(computer.character, message.readLong());
            }
            else if (message.getId() == PGMSG_NPC_STRING)
            {
                q->stringReceived(computer.character, message.readString());
            }
            else
            {
                q->prompt(computer.character, message.getId() == PGMSG_NPC_TALK);
            }
        } break;

        case PGMSG_PICKUP:
        {
            int x = message.readShort();
            int y = message.readShort();
            Point ppos = computer.character->getPosition();

            // TODO: use a less arbitrary value.
            if (std::abs(x - ppos.x) + std::abs(y - ppos.y) < 48)
            {
                MapComposite *map = computer.character->getMap();
                Point ipos(x, y);
                for (FixedActorIterator i(map->getAroundPointIterator(ipos, 0)); i; ++i)
                {
                    Actor *o = *i;
                    Point opos = o->getPosition();
                    if (o->getType() == OBJECT_ITEM && opos.x == x && opos.y == y)
                    {
                        Item *item = static_cast< Item * >(o);
                        ItemClass *ic = item->getItemClass();
                        Inventory(computer.character)
                            .insert(ic->getDatabaseID(), item->getAmount());
                        GameState::remove(item);
                        // log transaction
                        std::stringstream str;
                        str << "User picked up item " << ic->getDatabaseID()
                            << " at " << opos.x << "x" << opos.y;
                        accountHandler->sendTransaction(computer.character->getDatabaseID(),
                            TRANS_ITEM_PICKUP, str.str());
                        break;
                    }
                }
            }
        } break;

        case PGMSG_USE_ITEM:
        {
            int slot = message.readByte();
            Inventory inv(computer.character);
            if (ItemClass *ic = ItemManager::getItem(inv.getItem(slot)))
            {
                if (ic->use(computer.character))
                {
                    inv.removeFromSlot(slot, 1);
                    // log transaction
                    std::stringstream str;
                    str << "User used item " << ic->getDatabaseID()
                        << " from slot " << slot;
                    accountHandler->sendTransaction(computer.character->getDatabaseID(),
                        TRANS_ITEM_USED, str.str());
                }
            }
        } break;

        case PGMSG_DROP:
        {
            int slot = message.readByte();
            int amount = message.readByte();
            Inventory inv(computer.character);
            if (ItemClass *ic = ItemManager::getItem(inv.getItem(slot)))
            {
                int nb = inv.removeFromSlot(slot, amount);
                Item *item = new Item(ic, amount - nb);
                item->setMap(computer.character->getMap());
                item->setPosition(computer.character->getPosition());
                if (!GameState::insert(item))
                {
                    // The map is full. Put back into inventory.
                    inv.insert(ic->getDatabaseID(), amount - nb);
                    delete item;
                    break;
                }
                // log transaction
                Point pt = computer.character->getPosition();
                std::stringstream str;
                str << "User dropped item " << ic->getDatabaseID()
                    << " at " << pt.x << "x" << pt.y;
                accountHandler->sendTransaction(computer.character->getDatabaseID(),
                    TRANS_ITEM_DROP, str.str());
            }
        } break;

        case PGMSG_WALK:
        {
            handleWalk(&computer, message);
        } break;

        case PGMSG_EQUIP:
        {
            int slot = message.readByte();
            Inventory(computer.character).equip(slot);
        } break;

        case PGMSG_UNEQUIP:
        {
            int slot = message.readByte();
            if (slot >= 0 && slot < EQUIP_PROJECTILE_SLOT)
            {
                Inventory(computer.character).unequip(slot);
            }
        } break;

        case PGMSG_MOVE_ITEM:
        {
            int slot1 = message.readByte();
            int slot2 = message.readByte();
            int amount = message.readByte();
            Inventory(computer.character).move(slot1, slot2, amount);
            // log transaction
            std::stringstream str;
            str << "User moved item "
                << " from slot " << slot1 << " to slot " << slot2;
            accountHandler->sendTransaction(computer.character->getDatabaseID(),
                TRANS_ITEM_MOVE, str.str());
        } break;

        case PGMSG_ATTACK:
        {
            int id = message.readShort();
            LOG_DEBUG("Character " << computer.character->getPublicID()
                      << " attacked being " << id);

            Actor *o = findActorNear(computer.character, id);
            if (o && o->getType() != OBJECT_NPC)
            {
                Being *being = static_cast<Being*>(o);
                computer.character->setTarget(being);
                computer.character->setAction(Being::ATTACK);
            }
        } break;

        case PGMSG_USE_SPECIAL:
        {
            int specialID = message.readByte();
            LOG_DEBUG("Character " << computer.character->getPublicID()
                      << " tries to use his special attack "<<specialID);
            computer.character->useSpecial(specialID);
        }

        case PGMSG_ACTION_CHANGE:
        {
            Being::Action action = (Being::Action)message.readByte();
            Being::Action current = (Being::Action)computer.character->getAction();
            bool logActionChange = true;

            switch (action)
            {
                case Being::STAND:
                {
                    if (current == Being::SIT)
                    {
                        computer.character->setAction(Being::STAND);
                        logActionChange = false;
                    }
                } break;
                case Being::SIT:
                {
                    if (current == Being::STAND)
                    {
                        computer.character->setAction(Being::SIT);
                        logActionChange = false;
                    }
                } break;
                default:
                    break;
            }

            // Log the action change only when this is relevant.
            if (logActionChange)
            {
                // log transaction
                std::stringstream str;
                str << "User changed action from " << current
                    << " to " << action;
                accountHandler->sendTransaction(
                    computer.character->getDatabaseID(),
                    TRANS_ACTION_CHANGE, str.str());
            }

        } break;

        case PGMSG_DIRECTION_CHANGE:
        {
            computer.character->setDirection(message.readByte());
        } break;

        case PGMSG_DISCONNECT:
        {
            bool reconnectAccount = (bool) message.readByte();

            result.writeShort(GPMSG_DISCONNECT_RESPONSE);
            result.writeByte(ERRMSG_OK); // It is, when control reaches here

            if (reconnectAccount)
            {
                std::string magic_token(utils::getMagicToken());
                result.writeString(magic_token, MAGIC_TOKEN_LENGTH);
                // No accountserver data, the client should remember that
                accountHandler->playerReconnectAccount(
                                   computer.character->getDatabaseID(),
                                   magic_token);
            }
            // TODO: implement a delayed remove
            GameState::remove(computer.character);

            accountHandler->sendCharacterData(computer.character);

            // Done with the character
            computer.character->disconnected();
            delete computer.character;
            computer.character = NULL;
            computer.status = CLIENT_LOGIN;
        } break;

        case PGMSG_TRADE_REQUEST:
        {
            int id = message.readShort();

            if (Trade *t = computer.character->getTrading())
            {
                if (t->request(computer.character, id)) break;
            }

            Character *q = findCharacterNear(computer.character, id);
            if (!q || q->isBusy())
            {
                result.writeShort(GPMSG_TRADE_CANCEL);
                break;
            }

            new Trade(computer.character, q);

            // log transaction
            std::string str;
            str = "User requested trade with " + q->getName();
            accountHandler->sendTransaction(computer.character->getDatabaseID(),
                TRANS_TRADE_REQUEST, str);
        } break;

        case PGMSG_TRADE_CANCEL:
        case PGMSG_TRADE_AGREED:
        case PGMSG_TRADE_CONFIRM:
        case PGMSG_TRADE_ADD_ITEM:
        case PGMSG_TRADE_SET_MONEY:
        {
            std::stringstream str;
            Trade *t = computer.character->getTrading();
            if (!t) break;

            switch (message.getId())
            {
                case PGMSG_TRADE_CANCEL:
                    t->cancel();
                    break;
                case PGMSG_TRADE_CONFIRM:
                    t->confirm(computer.character);
                    break;
                case PGMSG_TRADE_AGREED:
                    t->agree(computer.character);
                    // log transaction
                    accountHandler->sendTransaction(computer.character->getDatabaseID(),
                        TRANS_TRADE_END, "User finished trading");
                    break;
                case PGMSG_TRADE_SET_MONEY:
                {
                    int money = message.readLong();
                    t->setMoney(computer.character, money);
                    // log transaction
                    str << "User added " << money << " money to trade.";
                    accountHandler->sendTransaction(computer.character->getDatabaseID(),
                        TRANS_TRADE_MONEY, str.str());
                } break;
                case PGMSG_TRADE_ADD_ITEM:
                {
                    int slot = message.readByte();
                    t->addItem(computer.character, slot, message.readByte());
                    // log transaction
                    str << "User add item from slot " << slot;
                    accountHandler->sendTransaction(computer.character->getDatabaseID(),
                        TRANS_TRADE_ITEM, str.str());
                } break;
            }
        } break;

        case PGMSG_NPC_BUYSELL:
        {
            BuySell *t = computer.character->getBuySell();
            if (!t) break;
            int id = message.readShort();
            int amount = message.readShort();
            t->perform(id, amount);
        } break;

        case PGMSG_RAISE_ATTRIBUTE:
        {
            int attribute = message.readByte();
            AttribmodResponseCode retCode;
            retCode = computer.character->useCharacterPoint(attribute);
            result.writeShort(GPMSG_RAISE_ATTRIBUTE_RESPONSE);
            result.writeByte(retCode);
            result.writeByte(attribute);

            if (retCode == ATTRIBMOD_OK )
            {
                accountHandler->updateCharacterPoints(
                    computer.character->getDatabaseID(),
                    computer.character->getCharacterPoints(),
                    computer.character->getCorrectionPoints(),
                    attribute,
                    computer.character->getAttribute(attribute));

                // log transaction
                std::stringstream str;
                str << "User increased attribute " << attribute;
                accountHandler->sendTransaction(computer.character->getDatabaseID(),
                    TRANS_ATTR_INCREASE, str.str());
            }
        } break;

        case PGMSG_LOWER_ATTRIBUTE:
        {
            int attribute = message.readByte();
            AttribmodResponseCode retCode;
            retCode = computer.character->useCorrectionPoint(attribute);
            result.writeShort(GPMSG_LOWER_ATTRIBUTE_RESPONSE);
            result.writeByte(retCode);
            result.writeByte(attribute);

            if (retCode == ATTRIBMOD_OK )
            {
                accountHandler->updateCharacterPoints(
                    computer.character->getDatabaseID(),
                    computer.character->getCharacterPoints(),
                    computer.character->getCorrectionPoints(),
                    attribute,
                    computer.character->getAttribute(attribute));

                // log transaction
                std::stringstream str;
                str << "User decreased attribute " << attribute;
                accountHandler->sendTransaction(computer.character->getDatabaseID(),
                    TRANS_ATTR_DECREASE, str.str());
            }
        } break;

        case PGMSG_RESPAWN:
        {
            computer.character->respawn(); // plausibility check is done by character class
        } break;

        case PGMSG_NPC_POST_SEND:
        {
            handleSendPost(&computer, message);
        } break;

        default:
            LOG_WARN("Invalid message type");
            result.writeShort(XXMSG_INVALID);
            break;
    }

    if (result.getLength() > 0)
        computer.send(result);
}