void GameHandler::handleLowerAttribute(GameClient &client, MessageIn &message)
{
const int attribute = message.readInt32();
AttribmodResponseCode retCode;
retCode = client.character->useCorrectionPoint(attribute);
MessageOut result(GPMSG_LOWER_ATTRIBUTE_RESPONSE);
result.writeInt8(retCode);
result.writeInt16(attribute);
client.send(result);
if (retCode == ATTRIBMOD_OK)
{
accountHandler->updateCharacterPoints(
client.character->getDatabaseID(),
client.character->getCharacterPoints(),
client.character->getCorrectionPoints());
// log transaction
std::stringstream str;
str << "User decreased attribute " << attribute;
accountHandler->sendTransaction(client.character->getDatabaseID(),
TRANS_ATTR_DECREASE, str.str());
}
}
void GameHandler::completeServerChange(int id, const std::string &token,
const std::string &address, int port)
{
for (NetComputers::const_iterator i = clients.begin(),
i_end = clients.end(); i != i_end; ++i)
{
GameClient *c = static_cast< GameClient * >(*i);
if (c->status == CLIENT_CHANGE_SERVER &&
c->character->getComponent<CharacterComponent>()
->getDatabaseID() == id)
{
MessageOut msg(GPMSG_PLAYER_SERVER_CHANGE);
msg.writeString(token, MAGIC_TOKEN_LENGTH);
msg.writeString(address);
msg.writeInt16(port);
c->send(msg);
c->character->getComponent<CharacterComponent>()->disconnected(
*c->character);
delete c->character;
c->character = nullptr;
c->status = CLIENT_LOGIN;
return;
}
}
}
void GameHandler::handleDisconnect(GameClient &client, MessageIn &message)
{
const bool reconnectAccount = (bool) message.readInt8();
MessageOut result(GPMSG_DISCONNECT_RESPONSE);
result.writeInt8(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(
client.character->getDatabaseID(),
magic_token);
}
accountHandler->sendCharacterData(client.character);
// Done with the character, also handle possible respawn case
client.character->disconnected();
delete client.character;
client.character = 0;
client.status = CLIENT_LOGIN;
client.send(result);
}
void GameHandler::handleRaiseAttribute(GameClient &client, MessageIn &message)
{
auto *characterComponent =
client.character->getComponent<CharacterComponent>();
const int attribute = message.readInt16();
AttribmodResponseCode retCode;
retCode = characterComponent->useCharacterPoint(*client.character,
attribute);
MessageOut result(GPMSG_RAISE_ATTRIBUTE_RESPONSE);
result.writeInt8(retCode);
result.writeInt16(attribute);
client.send(result);
if (retCode == ATTRIBMOD_OK)
{
accountHandler->updateCharacterPoints(
characterComponent->getDatabaseID(),
characterComponent->getCharacterPoints(),
characterComponent->getCorrectionPoints());
// log transaction
std::stringstream str;
str << "User increased attribute " << attribute;
accountHandler->sendTransaction(characterComponent->getDatabaseID(),
TRANS_ATTR_INCREASE, str.str());
}
}
void GameHandler::handleTradeRequest(GameClient &client, MessageIn &message)
{
const int id = message.readInt16();
auto *characterComponent =
client.character->getComponent<CharacterComponent>();
if (Trade *t = characterComponent->getTrading())
if (t->request(client.character, id))
return;
Entity *q = findCharacterNear(client.character, id);
if (!q || characterComponent->isBusy())
{
client.send(MessageOut(GPMSG_TRADE_CANCEL));
return;
}
new Trade(client.character, q);
// log transaction
std::string str;
str = "User requested trade with " + q->getComponent<BeingComponent>()
->getName();
accountHandler->sendTransaction(characterComponent->getDatabaseID(),
TRANS_TRADE_REQUEST, str);
}
void GameHandler::sendNpcError(GameClient &client, int id,
const std::string &errorMsg)
{
MessageOut msg(GPMSG_NPC_ERROR);
msg.writeInt16(id);
msg.writeString(errorMsg, errorMsg.size());
client.send(msg);
}
void GameHandler::handleUnequip(GameClient &client, MessageIn &message)
{
const int itemInstance = message.readInt16();
if (!Inventory(client.character).unequip(itemInstance))
{
MessageOut msg(GPMSG_SAY);
msg.writeInt16(0); // From the server
msg.writeString("Unable to unequip.");
client.send(msg);
}
}
void GameHandler::handlePartyInvite(GameClient &client, MessageIn &message)
{
MapComposite *map = client.character->getMap();
const int visualRange = Configuration::getValue("game_visualRange", 448);
std::string invitee = message.readString();
if (invitee == client.character->getComponent<BeingComponent>()->getName())
return;
for (CharacterIterator it(map->getWholeMapIterator()); it; ++it)
{
if ((*it)->getComponent<BeingComponent>()->getName() == invitee)
{
// calculate if the invitee is within the visual range
auto *inviterComponent =
client.character->getComponent<ActorComponent>();
auto *inviteeComponent = (*it)->getComponent<ActorComponent>();
const Point &inviterPosition = inviterComponent->getPosition();
const Point &inviteePosition = inviteeComponent->getPosition();
const int dx = std::abs(inviterPosition.x - inviteePosition.x);
const int dy = std::abs(inviterPosition.y - inviteePosition.y);
if (visualRange > std::max(dx, dy))
{
MessageOut out(GCMSG_PARTY_INVITE);
out.writeString(client.character
->getComponent<BeingComponent>()->getName());
out.writeString(invitee);
accountHandler->send(out);
return;
}
break;
}
}
// Invitee was not found or is too far away
MessageOut out(GPMSG_PARTY_INVITE_ERROR);
out.writeString(invitee);
client.send(out);
}
void GameHandler::sendTo(Character *beingPtr, MessageOut &msg)
{
GameClient *client = beingPtr->getClient();
assert(client && client->status == CLIENT_CONNECTED);
client->send(msg);
}