protected static void CheckMotdPackets()
{
if (MOTD_NonAdmin.bytes == null) {
MOTD_NonAdmin.Add(packet.types.MOTD);
MOTD_NonAdmin.Add(ServerSettings.Version);
MOTD_NonAdmin.Add(ServerSettings.GetSetting("ServerName"), 64);
MOTD_NonAdmin.Add(ServerSettings.GetSetting("motd"), 64);
MOTD_NonAdmin.Add((byte)0);
MOTD_Admin = MOTD_NonAdmin;
MOTD_Admin.bytes[130] = 100;
}
}
protected void SendPacket(packet pa)
{
try {
lastPacket = (packet.types)pa.bytes[0];
}
catch (Exception e) { Logger.LogError(e); }
for (int i = 0; i < 3; i++) {
try {
Socket.BeginSend(pa.bytes, 0, pa.bytes.Length, SocketFlags.None, delegate(IAsyncResult result) { }, null);
return;
}
catch {
continue;
}
}
CloseConnection();
}
protected void UpdatePosition(bool ForceTp)
{
byte changed = 0; //Denotes what has changed (x,y,z, rotation-x, rotation-y)
Vector3 tempOldPos = oldPos;
Vector3 tempPos = Pos;
byte[] tempRot = Rot;
byte[] tempOldRot = oldRot;
oldPos = Pos;
oldRot = Rot;
int diffX = tempPos.x - tempOldPos.x;
int diffZ = tempPos.z - tempOldPos.z;
int diffY = tempPos.y - tempOldPos.y;
int diffR0 = tempRot[0] - tempRot[0];
int diffR1 = tempRot[1] - tempRot[1];
if (ForceTp)
changed = 4;
else {
//TODO rewrite local pos change code
if (diffX == 0 && diffY == 0 && diffZ == 0 && diffR0 == 0 && diffR1 == 0) {
return; //No changes
}
if (Math.Abs(diffX) > 100 || Math.Abs(diffY) > 100 || Math.Abs(diffZ) > 100) {
changed = 4; //Teleport Required
}
else if (diffR0 == 0 && diffR1 == 0) {
changed = 1; //Pos Update Required
}
else {
changed += 2; //Rot Update Required
if (diffX != 0 || diffY != 0 || diffZ != 0) {
changed += 1;
}
}
}
packet pa = new packet();
switch (changed) {
case 1: //Pos Change
pa.Add(packet.types.SendPosChange);
pa.Add(id);
pa.Add((sbyte)(diffX));
pa.Add((sbyte)(diffY));
pa.Add((sbyte)(diffZ));
break;
case 2: //Rot Change
pa.Add(packet.types.SendRotChange);
pa.Add(id);
pa.Add(new byte[2] { (byte)diffR0, (byte)diffR1 });
break;
case 3: //Pos AND Rot Change
pa.Add(packet.types.SendPosANDRotChange);
pa.Add(id);
pa.Add(diffX);
pa.Add(diffY);
pa.Add(diffZ);
pa.Add(new byte[2] { (byte)diffR0, (byte)diffR1 });
break;
case 4: //Teleport Required
pa.Add(packet.types.SendTeleport);
pa.Add(id);
pa.Add(tempPos.x);
pa.Add(tempPos.y);
pa.Add(tempPos.z);
pa.Add(Rot);
break;
}
Server.ForeachPlayer(delegate(Player p) {
if (p != this && p.Level == Level && p.IsLoggedIn && !p.IsLoading) {
p.SendPacket(pa);
}
});
}
protected void SendMap()
{
try {
SendPacket(mapSendStartPacket); //Send the pre-fab map start packet
packet pa = new packet(); //Create a packet to handle the data for the map
pa.Add(Level.TotalBlocks); //Add the total amount of blocks to the packet
byte[] blocks = new byte[Level.TotalBlocks]; //Temporary byte array so we dont have to keep modding the packet array
byte block; //A block byte outside the loop, we save cycles by not making this for every loop iteration
Level.ForEachBlock(pos => {
//Here we loop through the whole map and check/convert the blocks as necesary
//We then add them to our blocks array so we can send them to the player
block = Level.Data[pos];
//TODO ADD CHECKING
blocks[pos] = block;
});
pa.Add(blocks); //add the blocks to the packet
pa.GZip(); //GZip the packet
int number = (int)Math.Ceiling(((double)(pa.bytes.Length)) / 1024); //The magic number for this packet
for (int i = 1; pa.bytes.Length > 0; ++i) {
short length = (short)Math.Min(pa.bytes.Length, 1024);
byte[] send = new byte[1027];
packet.HTNO(length).CopyTo(send, 0);
Buffer.BlockCopy(pa.bytes, 0, send, 2, length);
byte[] tempbuffer = new byte[pa.bytes.Length - length];
Buffer.BlockCopy(pa.bytes, length, tempbuffer, 0, pa.bytes.Length - length);
pa.bytes = tempbuffer;
send[1026] = (byte)(i * 100 / number);
packet Send = new packet(send);
Send.AddStart(new byte[1] { (byte)packet.types.MapData });
SendPacket(Send);
}
pa = new packet();
pa.Add(packet.types.MapEnd);
pa.Add((short)Level.Size.x);
pa.Add((short)Level.Size.y);
pa.Add((short)Level.Size.z);
SendPacket(pa);
IsLoading = false;
}
catch (Exception e) {
Logger.LogError(e);
}
}
protected void SendMessage(byte PlayerID, string message)
{
packet pa = new packet();
for (int i = 0; i < 10; i++) {
message = message.Replace("%" + i, "&" + i);
message = message.Replace("&" + i + " &", "&");
}
for (char ch = 'a'; ch <= 'f'; ch++) {
message = message.Replace("%" + ch, "&" + ch);
message = message.Replace("&" + ch + " &", "&");
}
message = Server.DefaultColor + message;
pa.Add(packet.types.Message);
pa.Add(PlayerID);
try {
foreach (string line in LineWrapping(message)) {
if (pa.bytes.Length < 64)
pa.Add(line, 64);
else
pa.Set(2, line, 64);
SendPacket(pa);
}
}
catch (Exception e) {
Logger.LogError(e);
}
}
/// <summary>
/// Sends the specified player to the specified coordinates.
/// </summary>
/// <param name="_pos"></param>Vector3 coordinate to send to.
/// <param name="_rot"></param>Rot to send to.
public void SendToPos(Vector3 _pos, byte[] _rot)
{
oldPos = Pos; oldRot = Rot;
_pos.x = (_pos.x < 0) ? (short)32 : (_pos.x > Level.Size.x * 32) ? (short)(Level.Size.x * 32 - 32) : (_pos.x > 32767) ? (short)32730 : _pos.x;
_pos.z = (_pos.z < 0) ? (short)32 : (_pos.z > Level.Size.z * 32) ? (short)(Level.Size.z * 32 - 32) : (_pos.z > 32767) ? (short)32730 : _pos.z;
_pos.y = (_pos.y < 0) ? (short)32 : (_pos.y > Level.Size.y * 32) ? (short)(Level.Size.y * 32 - 32) : (_pos.y > 32767) ? (short)32730 : _pos.y;
packet pa = new packet();
pa.Add(packet.types.SendTeleport);
pa.Add(unchecked((byte)-1)); //If the ID is not greater than one it doesn't work :c
pa.Add(_pos.x);
pa.Add(_pos.y);
pa.Add(_pos.z);
pa.Add(Rot);
Server.ForeachPlayer(delegate(Player p) {
if (p.Level == Level && p.IsLoggedIn && !p.IsLoading) {
p.SendPacket(pa);
}
});
}
protected void SendKick(string message)
{
packet pa = new packet();
pa.Add(packet.types.SendKick);
pa.Add(message, 64);
SendPacket(pa);
}
public void SendSpawn(Player p)
{
byte ID = 0xFF;
if (p != this)
ID = p.id;
packet pa = new packet();
pa.Add(packet.types.SendSpawn);
pa.Add((byte)ID);
pa.Add(p.Username, 64);
pa.Add(p.Pos.x);
pa.Add(p.Pos.y);
pa.Add(p.Pos.z);
pa.Add(p.Rot);
SendPacket(pa);
}
/// <summary>
/// Exactly what the function name is, it might be useful to change this players pos first ;)
/// </summary>
public void SendThisPlayerTheirOwnPos()
{
packet pa = new packet();
pa.Add((byte)8);
pa.Add(Pos.x);
pa.Add(Pos.y);
pa.Add(Pos.z);
pa.Add(Rot);
SendPacket(pa);
}
/// <summary>
/// This send a blockchange to the player only. (Not other players)
/// </summary>
/// <param name="x"></param> The position the block will be placed in (x)
/// <param name="z"></param> The position the block will be placed in (z)
/// <param name="y"></param> The position the block will be placed in (y)
/// <param name="type"></param> The type of block that will be placed.
public void SendBlockChange(ushort x, ushort z, ushort y, byte type)
{
if (x < 0 || y < 0 || z < 0 || x >= Level.Size.x || y >= Level.Size.y || z >= Level.Size.z) return;
packet pa = new packet();
pa.Add(packet.types.SendBlockchange);
pa.Add(x);
pa.Add(y);
pa.Add(z);
//if (type > 49) type = Block.CustomBlocks[type].VisibleType;
pa.Add(type);
SendPacket(pa);
}
/// <summary>
/// Kill this player for everyone.
/// </summary>
public void GlobalDie()
{
packet pa = new packet(new byte[2] { (byte)packet.types.SendDie, id });
Server.ForeachPlayer(p => {
if (p != this) {
p.SendPacket(pa);
}
});
}
public packet(packet p)
{
bytes = p.bytes;
}
internal void UpdatePosition(bool ForceTp)
{
Vector3S tempOldPos = new Vector3S(oldPos);
Vector3S tempPos = new Vector3S(Pos);
byte[] tempRot = Rot;
byte[] tempOldRot = oldRot;
if (tempOldRot == null) tempOldRot = new byte[2];
if (IsHeadFlipped)
tempRot[1] = 80;
oldPos = tempPos;
oldRot = tempRot;
short diffX = (short)(tempPos.x - tempOldPos.x);
short diffZ = (short)(tempPos.z - tempOldPos.z);
short diffY = (short)(tempPos.y - tempOldPos.y);
int diffR0 = tempRot[0] - tempOldRot[0];
int diffR1 = tempRot[1] - tempOldRot[1];
//TODO rewrite local pos change code
if (diffX == 0 && diffY == 0 && diffZ == 0 && diffR0 == 0 && diffR1 == 0) {
return; //No changes
}
bool teleport = ForceTp || (Math.Abs(diffX) >= 127 || Math.Abs(diffY) >= 127 || Math.Abs(diffZ) >= 127);
packet pa = new packet();
if (teleport) {
pa.Add(packet.types.SendTeleport);
pa.Add(id);
pa.Add(tempPos.x);
pa.Add(tempPos.y);
pa.Add(tempPos.z);
pa.Add(tempRot);
}
else {
bool rotupdate = diffR0 != 0 || diffR1 != 0;
bool posupdate = diffX != 0 || diffY != 0 || diffZ != 0;
if (rotupdate && posupdate) {
pa.Add(packet.types.SendPosANDRotChange);
pa.Add(id);
pa.Add((sbyte)diffX);
pa.Add((sbyte)diffY);
pa.Add((sbyte)diffZ);
pa.Add(tempRot);
}
else if (rotupdate) {
pa.Add(packet.types.SendRotChange);
pa.Add(id);
pa.Add(tempRot);
}
else if (posupdate) {
pa.Add(packet.types.SendPosChange);
pa.Add(id);
pa.Add((sbyte)(diffX));
pa.Add((sbyte)(diffY));
pa.Add((sbyte)(diffZ));
}
else return;
}
Server.ForeachPlayer(delegate(Player p) {
if (p != this && p.Level == Level && p.IsLoggedIn && !p.IsLoading) {
p.SendPacket(pa);
}
});
}
private void SendPacket(packet pa)
{
if (!OnPlayerSendPacket.Call(this, new PacketEventArgs(pa.GetMessage(), false, (packet.types)pa.bytes[0]), OnAllPlayersSendPacket).Canceled) {
try {
lastPacket = (packet.types)pa.bytes[0];
}
catch (Exception e) { Logger.LogError(e); }
for (int i = 0; i < 3; i++) {
try {
lastPacket = (packet.types)pa.bytes[0];
}
catch (Exception e) { Logger.LogError(e); }
for (int z = 0; z < 3; z++) {
try {
Socket.BeginSend(pa.bytes, 0, pa.bytes.Length, SocketFlags.None, delegate(IAsyncResult result) { }, null);
return;
}
catch {
continue;
}
}
CloseConnection();
}
}
}
