// Login request (http://mc.kev009.com/wiki/Protocol#Login_Request_.280x01.29)
int PacketHandler::login_request(User *user)
{
//Check that we have enought data in the buffer
if(user->buffer.size() < 12)
return PACKET_NEED_MORE_DATA;
uint32 curpos = 0;
int i;
//Client protocol version
uint8 tmpIntArray[4] = {0};
for(i = 0; i < 4; i++)
tmpIntArray[i] = user->buffer[curpos+i];
int version = getUint32(&tmpIntArray[0]);
curpos += 4;
//Player name length
uint8 tmpShortArray[2] = {0};
for(i = 0; i < 2; i++)
tmpShortArray[i] = user->buffer[curpos+i];
int len = getUint16(&tmpShortArray[0]);
curpos += 2;
//Check for data
if(user->buffer.size() < curpos+len+2)
return PACKET_NEED_MORE_DATA;
std::string player;
//Read player name
for(int pos = 0; pos < len; pos++)
{
player += user->buffer[curpos+pos];
}
curpos += len;
//Password length
for(i = 0; i < 2; i++)
tmpShortArray[i] = user->buffer[curpos+i];
len = getUint16(&tmpShortArray[0]);
curpos += 2;
std::string passwd;
//Check for data
if(user->buffer.size() < curpos+len)
return PACKET_NEED_MORE_DATA;
//Read password
for(int pos = 0; pos < len; pos++)
{
passwd += user->buffer[curpos+pos];
}
curpos += len;
//Package completely received, remove from buffer
user->buffer.erase(user->buffer.begin(), user->buffer.begin()+curpos);
std::cout << "Player " << user->UID << " login v." << version <<" : " << player <<":"<<
passwd << std::endl;
// If version is not 2 or 3
if(version != 4 && version != 3 && version != 2)
{
user->kick(Conf::get().sValue("wrong_protocol_message"));
return curpos;
}
// If userlimit is reached
if((int)Users.size() >= Conf::get().iValue("userlimit"))
{
user->kick(Conf::get().sValue("server_full_message"));
return curpos;
}
user->changeNick(player);
//Load user data
user->loadData();
//Login OK package
char data[9] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
putSint32((uint8 *)&data[1], user->UID);
bufferevent_write(user->buf_ev, (char *)&data[0], 9);
//Send server time (after dawn)
uint8 data3[9] = {0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00};
bufferevent_write(user->buf_ev, (char *)&data3[0], 9);
//Inventory
uint8 data4[7+36*5];
data4[0] = 0x05;
putSint32(&data4[1], -1);
data4[5] = 0;
data4[6] = 36;
int curpos2 = 7;
//Send main inventory
for(i = 0; i < 36; i++)
{
if(user->inv.main[i].count)
{
putSint16(&data4[curpos2], user->inv.main[i].type); //Type
curpos2 += 2;
data4[curpos2] = user->inv.main[i].count; //Count
curpos2++;
putSint16(&data4[curpos2], user->inv.main[i].health); //Health
curpos2 += 2;
}
else
{
//Empty slot
putSint16(&data4[curpos2], -1);
curpos2 += 2;
}
}
bufferevent_write(user->buf_ev, (char *)&data4[0], curpos2);
//Send equipped inventory
putSint32(&data4[1], -3);
data4[6] = 4;
curpos2 = 7;
for(i = 0; i < 4; i++)
{
if(user->inv.equipped[i].count)
{
putSint16(&data4[curpos2], user->inv.equipped[i].type); //Type
curpos2 += 2;
data4[curpos2] = user->inv.equipped[i].count; //Count
curpos2++;
putSint16(&data4[curpos2], user->inv.equipped[i].health); //Health
curpos2 += 2;
}
else
{
//Empty slot
putSint16(&data4[curpos2], -1);
curpos2 += 2;
}
}
bufferevent_write(user->buf_ev, (char *)&data4[0], curpos2);
//Send crafting inventory
putSint32(&data4[1], -2);
data4[6] = 4;
curpos2 = 7;
for(i = 0; i < 4; i++)
{
if(user->inv.crafting[i].count)
{
putSint16(&data4[curpos2], user->inv.crafting[i].type); //Type
curpos2 += 2;
data4[curpos2] = user->inv.crafting[i].count; //Count
curpos2++;
putSint16(&data4[curpos2], user->inv.crafting[i].health); //Health
curpos2 += 2;
}
else
{
//Empty slot
putSint16(&data4[curpos2], -1);
curpos2 += 2;
}
}
bufferevent_write(user->buf_ev, (char *)&data4[0], curpos2);
// Send motd
std::ifstream motdfs( MOTDFILE.c_str());
std::string temp;
while(getline( motdfs, temp ))
{
// If not commentline
if(temp[0] != COMMENTPREFIX)
Chat::get().sendMsg(user, temp, Chat::USER);
}
motdfs.close();
//Teleport player
user->teleport(user->pos.x, user->pos.y+2, user->pos.z);
//Put nearby chunks to queue
for(int x = -user->viewDistance; x <= user->viewDistance; x++)
{
for(int z = -user->viewDistance; z <= user->viewDistance; z++)
{
user->addQueue((sint32)user->pos.x/16+x, (sint32)user->pos.z/16+z);
}
}
// Push chunks to user
user->pushMap();
//Spawn this user to others
user->spawnUser((sint32)user->pos.x*32, ((sint32)user->pos.y+2)*32, (sint32)user->pos.z*32);
//Spawn other users for connected user
user->spawnOthers();
//Send "On Ground" signal
char data6[2] = {0x0A, 0x01};
bufferevent_write(user->buf_ev, (char *)&data6[0], 2);
user->logged = true;
Chat::get().sendMsg(user, player+" connected!", Chat::ALL);
return curpos;
}
// Login request (http://mc.kev009.com/wiki/Protocol#Login_Request_.280x01.29)
int PacketHandler::login_request(User *user)
{
//Check that we have enought data in the buffer
if(!user->buffer.haveData(12))
return PACKET_NEED_MORE_DATA;
sint32 version;
std::string player, passwd;
sint64 mapseed;
sint8 dimension;
user->buffer >> version >> player >> passwd >> mapseed >> dimension;
if(!user->buffer)
return PACKET_NEED_MORE_DATA;
user->buffer.removePacket();
std::cout << "Player " << user->UID << " login v." << version <<" : " << player <<":"<< passwd << std::endl;
// If version is not 2 or 3
if(version != 5)
{
user->kick(Conf::get().sValue("wrong_protocol_message"));
return PACKET_OK;
}
// If userlimit is reached
if((int)Users.size() >= Conf::get().iValue("userlimit"))
{
user->kick(Conf::get().sValue("server_full_message"));
return PACKET_OK;
}
user->changeNick(player);
//Load user data
user->loadData();
//Login OK package
user->buffer << (sint8)PACKET_LOGIN_RESPONSE
<< (sint32)user->UID << std::string("") << std::string("") << (sint64)0 << (sint8)0;
//Send server time (after dawn)
user->buffer << (sint8)PACKET_TIME_UPDATE << (sint64) 0x0e00;
//Inventory
for(sint32 invType=-1; invType != -4; invType--)
{
Item *inventory = NULL;
sint16 inventoryCount = 0;
if(invType == -1)
{
inventory = user->inv.main;
inventoryCount = 36;
}
else if(invType == -2)
{
inventory = user->inv.equipped;
inventoryCount = 4;
}
else if(invType == -3)
{
inventory = user->inv.crafting;
inventoryCount = 4;
}
user->buffer << (sint8)PACKET_PLAYER_INVENTORY << invType << inventoryCount;
for(int i=0; i<inventoryCount; i++)
{
if(inventory[i].count)
{
user->buffer << (sint16)inventory[i].type << (sint8)inventory[i].count << (sint16)inventory[i].health;
}
else
{
user->buffer << (sint16)-1;
}
}
}
// Send motd
std::ifstream motdfs( MOTDFILE.c_str());
std::string temp;
while(getline( motdfs, temp ))
{
// If not commentline
if(temp[0] != COMMENTPREFIX)
{
user->buffer << (sint8)PACKET_CHAT_MESSAGE << temp;
}
}
motdfs.close();
//Teleport player
user->teleport(user->pos.x, user->pos.y+2, user->pos.z);
//Put nearby chunks to queue
for(int x = -user->viewDistance; x <= user->viewDistance; x++)
{
for(int z = -user->viewDistance; z <= user->viewDistance; z++)
{
user->addQueue((sint32)user->pos.x/16+x, (sint32)user->pos.z/16+z);
}
}
// Push chunks to user
user->pushMap();
//Spawn this user to others
user->spawnUser((sint32)user->pos.x*32, ((sint32)user->pos.y+2)*32, (sint32)user->pos.z*32);
//Spawn other users for connected user
user->spawnOthers();
user->logged = true;
Chat::get().sendMsg(user, player+" connected!", Chat::ALL);
return PACKET_OK;
}
