Full Distribution

src/mailbox.cpp

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+/**
+ * Tibia GIMUD Server - a free and open-source MMORPG server emulator
+ * Copyright (C) 2017  Alejandro Mujica <alejandrodemujica@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "otpch.h"
+
+#include "mailbox.h"
+#include "game.h"
+#include "player.h"
+#include "iologindata.h"
+#include "town.h"
+
+extern Game g_game;
+
+ReturnValue Mailbox::queryAdd(int32_t, const Thing& thing, uint32_t, uint32_t, Creature*) const
+{
+	const Item* item = thing.getItem();
+	if (item && Mailbox::canSend(item)) {
+		return RETURNVALUE_NOERROR;
+	}
+	return RETURNVALUE_NOTPOSSIBLE;
+}
+
+ReturnValue Mailbox::queryMaxCount(int32_t, const Thing&, uint32_t count, uint32_t& maxQueryCount, uint32_t) const
+{
+	maxQueryCount = std::max<uint32_t>(1, count);
+	return RETURNVALUE_NOERROR;
+}
+
+ReturnValue Mailbox::queryRemove(const Thing&, uint32_t, uint32_t) const
+{
+	return RETURNVALUE_NOTPOSSIBLE;
+}
+
+Cylinder* Mailbox::queryDestination(int32_t&, const Thing&, Item**, uint32_t&)
+{
+	return this;
+}
+
+void Mailbox::addThing(Thing* thing)
+{
+	return addThing(0, thing);
+}
+
+void Mailbox::addThing(int32_t, Thing* thing)
+{
+	Item* item = thing->getItem();
+	if (item && Mailbox::canSend(item)) {
+		sendItem(item);
+	}
+}
+
+void Mailbox::updateThing(Thing*, uint16_t, uint32_t)
+{
+	//
+}
+
+void Mailbox::replaceThing(uint32_t, Thing*)
+{
+	//
+}
+
+void Mailbox::removeThing(Thing*, uint32_t)
+{
+	//
+}
+
+void Mailbox::postAddNotification(Thing* thing, const Cylinder* oldParent, int32_t index, cylinderlink_t)
+{
+	getParent()->postAddNotification(thing, oldParent, index, LINK_PARENT);
+}
+
+void Mailbox::postRemoveNotification(Thing* thing, const Cylinder* newParent, int32_t index, cylinderlink_t)
+{
+	getParent()->postRemoveNotification(thing, newParent, index, LINK_PARENT);
+}
+
+bool Mailbox::sendItem(Item* item) const
+{
+	std::string receiver;
+	std::string townName;
+	if (!getDestination(item, receiver, townName)) {
+		return false;
+	}
+
+	if (receiver.empty() || townName.empty()) {
+		return false;
+	}
+
+	Town* town = g_game.map.towns.getTown(townName);
+	if (!town) {
+		return false;
+	}
+
+	Player* player = g_game.getPlayerByName(receiver);
+	if (player) {
+		DepotLocker* depotLocker = player->getDepotLocker(town->getID(), true);
+		if (depotLocker) {
+			if (g_game.internalMoveItem(item->getParent(), depotLocker, INDEX_WHEREEVER,
+				item, item->getItemCount(), nullptr, FLAG_NOLIMIT) == RETURNVALUE_NOERROR) {
+				g_game.transformItem(item, item->getID() + 1);
+				player->onReceiveMail();
+				return true;
+			}
+		}
+	} else {
+		Player tmpPlayer(nullptr);
+		if (!IOLoginData::loadPlayerByName(&tmpPlayer, receiver)) {
+			return false;
+		}
+
+		DepotLocker* depotLocker = tmpPlayer.getDepotLocker(town->getID(), true);
+		if (depotLocker) {
+			if (g_game.internalMoveItem(item->getParent(), depotLocker, INDEX_WHEREEVER,
+				item, item->getItemCount(), nullptr, FLAG_NOLIMIT) == RETURNVALUE_NOERROR) {
+				g_game.transformItem(item, item->getID() + 1);
+				IOLoginData::savePlayer(&tmpPlayer);
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+bool Mailbox::getDestination(Item* item, std::string& name, std::string& town) const
+{
+	const Container* container = item->getContainer();
+	if (container) {
+		for (Item* containerItem : container->getItemList()) {
+			if (containerItem->getID() == ITEM_LABEL && getDestination(containerItem, name, town)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	const std::string& text = item->getText();
+	if (text.empty()) {
+		return false;
+	}
+
+	std::istringstream iss(text, std::istringstream::in);
+	std::string temp;
+	uint32_t currentLine = 1;
+
+	while (getline(iss, temp, '\n')) {
+		if (currentLine == 1) {
+			name = temp;
+		} else if (currentLine == 2) {
+			town = temp;
+		} else {
+			break;
+		}
+
+		++currentLine;
+	}
+
+	trimString(name);
+	trimString(town);
+	return true;
+}
+
+bool Mailbox::canSend(const Item* item)
+{
+	return item->getID() == ITEM_PARCEL || item->getID() == ITEM_LETTER;
+}