void ChatHandler::handleCommand(ChatClient &computer, const std::string &command)
{
LOG_INFO("Chat: Received unhandled command: " << command);
MessageOut result;
result.writeShort(CPMSG_ERROR);
result.writeByte(CHAT_UNHANDLED_COMMAND);
computer.send(result);
}
/**
* Sets message fields describing character look.
*/
static void serializeLooks(Character *ch, MessageOut &msg, bool full)
{
const Possessions &poss = ch->getPossessions();
static int const nb_slots = 4;
static int const slots[nb_slots] =
{
EQUIP_FIGHT1_SLOT,
EQUIP_HEAD_SLOT,
EQUIP_TORSO_SLOT,
EQUIP_LEGS_SLOT
};
// Bitmask describing the changed entries.
int changed = (1 << nb_slots) - 1;
if (!full)
{
// TODO: do not assume the whole equipment changed, when an update is asked for.
changed = (1 << nb_slots) - 1;
}
int items[nb_slots];
// Partially build both kinds of packet, to get their sizes.
int mask_full = 0, mask_diff = 0;
int nb_full = 0, nb_diff = 0;
for (int i = 0; i < nb_slots; ++i)
{
int id = poss.equipment[slots[i]];
ItemClass *eq;
items[i] = id && (eq = ItemManager::getItem(id)) ? eq->getSpriteID() : 0;
if (changed & (1 << i))
{
// Skip slots that have not changed, when sending an update.
++nb_diff;
mask_diff |= 1 << i;
}
if (items[i])
{
/* If we are sending the whole equipment, only filled slots have to
be accounted for, as the other ones will be automatically cleared. */
++nb_full;
mask_full |= 1 << i;
}
}
// Choose the smaller payload.
if (nb_full <= nb_diff) full = true;
/* Bitmask enumerating the sent slots.
Setting the upper bit tells the client to clear the slots beforehand. */
int mask = full ? mask_full | (1 << 7) : mask_diff;
msg.writeByte(mask);
for (int i = 0; i < nb_slots; ++i)
{
if (mask & (1 << i)) msg.writeShort(items[i]);
}
}
void ChatHandler::warnPlayerAboutBadWords(ChatClient &computer)
{
// We could later count if the player is really often unpolite.
MessageOut result;
result.writeShort(CPMSG_ERROR);
result.writeByte(CHAT_USING_BAD_WORDS); // The Channel
computer.send(result);
LOG_INFO(computer.characterName << " says bad words.");
}
void ChatHandler::sayToPlayer(ChatClient &computer,
const std::string &playerName,
const std::string &text)
{
MessageOut result;
LOG_DEBUG(computer.characterName << " says to " << playerName << ": "
<< text);
// Send it to the being if the being exists
result.writeShort(CPMSG_PRIVMSG);
result.writeString(computer.characterName);
result.writeString(text);
for (NetComputers::iterator i = clients.begin(), i_end = clients.end();
i != i_end; ++i) {
if (static_cast< ChatClient * >(*i)->characterName == playerName)
{
(*i)->send(result);
break;
}
}
}
void ChatHandler::processMessage(NetComputer *comp, MessageIn &message)
{
ChatClient &computer = *static_cast< ChatClient * >(comp);
MessageOut result;
if (computer.characterName.empty())
{
if (message.getId() != PCMSG_CONNECT) return;
std::string magic_token = message.readString(MAGIC_TOKEN_LENGTH);
mTokenCollector.addPendingClient(magic_token, &computer);
sendGuildRejoin(computer);
return;
}
switch (message.getId())
{
case PCMSG_CHAT:
handleChatMessage(computer, message);
break;
case PCMSG_ANNOUNCE:
handleAnnounceMessage(computer, message);
break;
case PCMSG_PRIVMSG:
handlePrivMsgMessage(computer, message);
break;
case PCMSG_WHO:
handleWhoMessage(computer);
break;
case PCMSG_ENTER_CHANNEL:
handleEnterChannelMessage(computer, message);
break;
case PCMSG_USER_MODE:
handleModeChangeMessage(computer, message);
break;
case PCMSG_KICK_USER:
handleKickUserMessage(computer, message);
case PCMSG_QUIT_CHANNEL:
handleQuitChannelMessage(computer, message);
break;
case PCMSG_LIST_CHANNELS:
handleListChannelsMessage(computer, message);
break;
case PCMSG_LIST_CHANNELUSERS:
handleListChannelUsersMessage(computer, message);
break;
case PCMSG_TOPIC_CHANGE:
handleTopicChange(computer, message);
break;
case PCMSG_DISCONNECT:
handleDisconnectMessage(computer, message);
break;
case PCMSG_GUILD_CREATE:
handleGuildCreation(computer, message);
break;
case PCMSG_GUILD_INVITE:
handleGuildInvitation(computer, message);
break;
case PCMSG_GUILD_ACCEPT:
handleGuildAcceptInvite(computer, message);
break;
case PCMSG_GUILD_GET_MEMBERS:
handleGuildRetrieveMembers(computer, message);
break;
case PCMSG_GUILD_PROMOTE_MEMBER:
handleGuildMemberLevelChange(computer, message);
break;
case PCMSG_GUILD_KICK_MEMBER:
handleGuildMemberKick(computer, message);
case PCMSG_GUILD_QUIT:
handleGuildQuit(computer, message);
break;
case PCMSG_PARTY_INVITE:
handlePartyInvite(computer, message);
break;
case PCMSG_PARTY_ACCEPT_INVITE:
handlePartyAcceptInvite(computer, message);
break;
case PCMSG_PARTY_QUIT:
handlePartyQuit(computer);
break;
case PCMSG_PARTY_REJECT_INVITE:
handlePartyRejection(computer, message);
break;
default:
LOG_WARN("ChatHandler::processMessage, Invalid message type"
<< message.getId());
result.writeShort(XXMSG_INVALID);
break;
}
if (result.getLength() > 0)
computer.send(result);
}
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);
}
