public static void ReadArmAnimation(NetState ns, PacketReader packetReader)
{
int eid = packetReader.ReadInt32();
byte animation = packetReader.ReadByte();
// Send this to near players
}
public void ProcessAccept(SocketAsyncEventArgs e)
{
try
{
NetState ns = new NetState();
ns.Connection = e.AcceptSocket;
ns.Connection.Blocking = false;
//ns.Connection.NoDelay = true;
ns.Owner = new Player();
ns.Owner.State = ns;
CXMineServer.Server.AddPlayer(ns.Owner);
ns.Start();
StartAccept(e);
}
catch (System.Exception ex)
{
CXMineServer.Log(ex.Message);
Console.ReadLine();
}
}
public static void ReadDisconnect(NetState ns, PacketReader packetReader)
{
short length = packetReader.ReadInt16();
if (packetReader.Index + length <= packetReader.Size)
{
string message = packetReader.ReadString(length);
}
else
{
packetReader.Failed = true;
return;
}
CXMineServer.Log("Disposing " + ns.Owner.EntityID);
ns.Dispose();
}
public static void ReadCloseWindow(NetState ns, PacketReader packetReader)
{
byte id = packetReader.ReadByte();
}
public static void ReadWindowClick(NetState ns, PacketReader packetReader)
{
byte windowId = packetReader.ReadByte();
short slot = packetReader.ReadInt16();
bool rightClick = packetReader.ReadBool();
short actionNumber = packetReader.ReadInt16();
short itemId = packetReader.ReadInt16();
if(itemId != -1)
{
byte itemCount = 0;
short itemUses = 0;
if (packetReader.Index + 3 <= packetReader.Size)
{
itemCount = packetReader.ReadByte();
itemUses = packetReader.ReadInt16();
}
else
{
packetReader.Failed = true;
return;
}
// We need security controls, like controlling if we own the item, if the count and uses is correct or not, for now we say it's always ok
ns.Transaction(windowId, actionNumber, true);
if(windowId == 0)
{
if(rightClick)
{
if(ns.Owner.MouseHoldingItem == null)
{
Inventory.Slot item = ns.Owner.inventory.GetItem(slot);
int prevCount = ns.Owner.inventory.GetItem(slot).Count;
int newCount = ns.Owner.inventory.GetItem(slot).Count = (short)(ns.Owner.inventory.GetItem(slot).Count > 1 ? ns.Owner.inventory.GetItem(slot).Count / 2 : 1);
ns.Owner.MouseHoldingItem = new Item();
ns.Owner.MouseHoldingItem.Count = prevCount - newCount;
ns.Owner.MouseHoldingItem.Uses = item.Uses;
}
else
{
Inventory.Slot item = ns.Owner.inventory.GetItem(slot);
if (item.Id == ns.Owner.MouseHoldingItem.Type && item.Count < 64)
{
++item.Count;
--ns.Owner.MouseHoldingItem.Count;
}
}
}
else
{
Inventory.Slot item = ns.Owner.inventory.GetItem(slot);
if(item == null)
ns.Owner.inventory.AddToPosition(slot, itemId, itemCount, itemUses, false);
else if(ns.Owner.MouseHoldingItem == null)
{
ns.Owner.MouseHoldingItem = new Item();
ns.Owner.MouseHoldingItem.Count = item.Count;
ns.Owner.MouseHoldingItem.Uses = item.Uses;
item.Count = 0;
}
else if (item.Count < 64)
{
int stillHolding = ns.Owner.MouseHoldingItem.Count - (64 - item.Count);
int added = ns.Owner.MouseHoldingItem.Count - stillHolding;
if (stillHolding == 0)
ns.Owner.MouseHoldingItem = null;
item.Count += (short)added;
}
}
}
}
else if(ns.Owner.MouseHoldingItem != null)
{
ns.Owner.inventory.AddToPosition(slot, (short)ns.Owner.MouseHoldingItem.Type, (short)ns.Owner.MouseHoldingItem.Count, (short)ns.Owner.MouseHoldingItem.Uses, false);
ns.Owner.MouseHoldingItem = null;
}
}
public static void ReadPlayerPositionLook(NetState ns, PacketReader packetReader)
{
double x = packetReader.ReadDouble();
double stance = packetReader.ReadDouble();
double y = packetReader.ReadDouble();
double z = packetReader.ReadDouble();
float yaw = packetReader.ReadFloat();
float pitch = packetReader.ReadFloat();
ns.Owner.Yaw = yaw;
ns.Owner.Pitch = pitch;
ns.Owner.X = x;
ns.Owner.Y = y;
ns.Owner.Z = z;
bool onGround = packetReader.ReadBool();
ns.Owner.Moved = true;
}
public static void ReadKeepAlive(NetState ns, PacketReader packetReader)
{
ns.KeepAlive();
}
public static void ReadPlayerInventory(NetState ns, PacketReader packetReader)
{
int entityId = packetReader.ReadInt32();
short slot = packetReader.ReadInt16();
short itemId = packetReader.ReadInt16();
short damage = packetReader.ReadInt16();
if (slot < 0 || slot > 44)
return;
CXMineServer.Log("Received Player Inventory Packet");
}
public static void ReadPlayerDigging(NetState ns, PacketReader packetReader)
{
int status = packetReader.ReadByte();
int x = packetReader.ReadInt32();
byte y = packetReader.ReadByte();
int z = packetReader.ReadInt32();
byte face = packetReader.ReadByte();
if(status == 3)
Chunk.DestroyBlock(ns, x, y, z, face);
}
public static void ReadPlayerHolding(NetState ns, PacketReader packetReader)
{
int slotId = packetReader.ReadInt16();
ns.Owner.inventory.HoldingPos = slotId;
}
public static void ReadPlayerBlockPlace(NetState ns, PacketReader packetReader)
{
int x = packetReader.ReadInt32();
byte y = packetReader.ReadByte();
int z = packetReader.ReadInt32();
byte direction = packetReader.ReadByte();
int id;
byte amount;
short damage;
if((id = packetReader.ReadInt16()) >= 0)
{
if(packetReader.Index + 3 <= packetReader.Size)
{
amount = packetReader.ReadByte();
damage = packetReader.ReadInt16();
}
else
{
packetReader.Failed = true;
return;
}
}
if(id < 0)
{
// Check interaction with objects
}
else if(id < 100)
{
// The player placed a block
Chunk.PlaceBlock(ns, id, x, y, z, direction);
}
}
public static void ReadPlayer(NetState ns, PacketReader packetReader)
{
byte extra = packetReader.ReadByte();
}
public static void ReadLoginDetails(NetState ns, PacketReader packetReader)
{
int protocolVersion = packetReader.ReadInt32();
if (protocolVersion != CXMineServer.ProtocolVersion)
{
ns.Disconnect();
return;
}
short userNameLength = packetReader.ReadInt16();
string username;
if (packetReader.Index + userNameLength <= packetReader.Size)
{
username = packetReader.ReadString(userNameLength);
}
else
{
packetReader.Failed = true;
return;
}
short passwordLength = packetReader.ReadInt16();
string password;
if (packetReader.Index + passwordLength <= packetReader.Size)
{
password = packetReader.ReadString(passwordLength);
}
if (username != ns.Owner.Username)
{
ns.Disconnect();
return;
}
packetReader.ReadInt64();
packetReader.ReadByte();
ns.Login();
}
public static void PlaceBlock(NetState from, int id, int x, int y, int z, int direction)
{
int meta = MetaHtN(direction);
switch (direction)
{ // Direction
case 0:
{ // -Y
CXMineServer.Log("-Y");
y -= 1;
break;
}
case 1:
{ // +Y
CXMineServer.Log("+Y");
y += 1;
break;
}
case 2:
{ // -Z
CXMineServer.Log("-Z");
z -= 1;
break;
}
case 3:
{ // +Z
CXMineServer.Log("+Z");
z += 1;
break;
}
case 4:
{ // -X
CXMineServer.Log("-X");
x -= 1;
break;
}
case 5:
{ // +X
CXMineServer.Log("+X");
x += 1;
break;
}
}
int _x = x & 15, _z = z & 15;
if (!Utility.IsInRange(from.Owner, x*32+16, z*32+16, 128) || !from.Owner.CanPlace(y) || (id == (int)BlockType.Torch && direction == 0))
{
// No need to rollback, no block exist here
if(y > 127 || y < -128)
return;
// Rollback to the precedent situation if the placement is invalid
BlockType block = CXMineServer.Server.World.GetChunkAt(x, z).GetBlock(_x, y, _z);
byte data = (byte)MetaHtN((int)CXMineServer.Server.World.GetChunkAt(x, z).GetData(_x, y, _z));
from.BlockChange(x, (byte)y, z, (byte)block, data);
Inventory.Slot slot = from.Owner.inventory.GetItem(from.Owner.inventory.HoldingPos + 36);
from.SetSlot(0, (short)slot.Position, slot.Id, (byte)slot.Count, slot.Uses);
return;
}
// Get the current chunk
Chunk chunk = CXMineServer.Server.World.GetChunkAt(x, z);
from.BlockChange(x, (byte)y, z, (byte)id, (byte)meta);
// For each player using that chunk, update the block data
foreach (Player p in CXMineServer.Server.PlayerList)
{
if (p == from.Owner)
continue;
int chunkX = PlayerToChunkPosition(p.X);
int chunkZ = PlayerToChunkPosition(p.Z);
if (DistanceBetweenChunks(chunk, CXMineServer.Server.World.GetChunkAt(chunkX, chunkZ)) <= Map.visibleChunks)
from.BlockChange(x, (byte)y, z, (byte)id, (byte)meta);
}
// Update the chunk's data on the server
try
{
chunk.SetBlock(_x, y, _z, (BlockType)id);
}
catch (System.Exception ex)
{
CXMineServer.Log("Exception: " + ex.Message + "\n\nXYZ: " + _x + " " + y + " " + _z);
}
// Decrement the inventory counter
int pos = from.Owner.inventory.HoldingPos;
from.Owner.inventory.Remove(pos + 36);
// Handle Count == 0 and so ID == -1 (Needed by the different packet format)
if (from.Owner.inventory.GetItem(pos).Id == -1)
from.SetSlot(0, (short)pos, (short)-1);
else
{
Inventory.Slot slot = from.Owner.inventory.GetItem(pos);
from.SetSlot(0, (short)pos, slot.Id, (byte)slot.Count, slot.Uses);
}
}
public static void ReadPlayerLook(NetState ns, PacketReader packetReader)
{
float yaw = packetReader.ReadFloat();
float pitch = packetReader.ReadFloat();
ns.Owner.Yaw = yaw;
ns.Owner.Pitch = pitch;
bool onGround = packetReader.ReadBool();
}
public static void DestroyBlock(NetState from, int x, int y, int z, int face)
{
// Get the chunk the player is digging in
Chunk chunk = CXMineServer.Server.World.GetChunkAt(x, z);
// Get a new EID for the spawn
int eid = Server.getEID();
// Get relative X and Z coordinate in the chunk
int _x = x & 15, _z = z & 15;
// Get the block data in the chunk
BlockType block = chunk.GetBlock(_x, y, _z);
// Update the chunk with the new block
chunk.SetBlock(_x, y, _z, BlockType.Air);
// Manage special spawn case where the destroyed block isn't the one to spawn
if (block == BlockType.Grass)
block = BlockType.Dirt;
if (block == BlockType.Rock)
block = BlockType.Cobblestone;
int itemX = x * 32 + 16;
int itemZ = z * 32 + 16;
int itemY = y * 32;
int prevDistance = Utility.DistanceBetweenEntities(from.Owner, itemX, itemZ); // It's the power of 2 distance
Player picksUp = null;
from.BlockChange(x, (byte)y, z, (byte)BlockType.Air, 0);
from.PickupSpawn(eid, (short)block, 1, 0, itemX, itemY, itemZ, 0, 0, 0);
foreach (Player p in CXMineServer.Server.PlayerList)
{
if (p == from.Owner)
continue;
int chunkX = PlayerToChunkPosition(p.X);
int chunkZ = PlayerToChunkPosition(p.Z);
if (DistanceBetweenChunks(chunk, CXMineServer.Server.World.GetChunkAt(chunkX, chunkZ)) <= (Map.visibleChunks * Map.visibleChunks))
p.State.BlockChange(x, (byte)y, z, (byte)BlockType.Air, 0);
if (DistanceBetweenChunks(chunk, CXMineServer.Server.World.GetChunkAt(chunkX, chunkZ)) <= 1)
p.State.PickupSpawn(eid, (short)block, 1, 0, itemX, itemY, itemZ, 0, 0, 0);
int distance;
if (Utility.IsInRange(p, itemX, itemZ, 40, out distance) && p.CanPick(itemY))
{
if (distance < prevDistance)
{
prevDistance = distance;
picksUp = p;
}
}
}
Item newItem = null;
if (picksUp != null)
picksUp.State.CollectItem(eid, picksUp.EntityID, (short)block, 1, 0);
else if (prevDistance <= 1600 && from.Owner.CanPick(itemY))
from.CollectItem(eid, from.Owner.EntityID, (short)block, 1, 0);
else
{
newItem = new Item(chunk);
newItem.Type = (int)block;
newItem.X = itemX;
newItem.Y = itemY;
newItem.Z = itemZ;
newItem.Yaw = 0.0f;
newItem.Pitch = 0.0f;
newItem.EId = eid;
newItem.Uses = 0;
newItem.Count = 1;
chunk.Items.Add(newItem);
}
// Spawn a new object to collect
/*Transmit(PacketType.PickupSpawn, eid, (short)block, (byte)1, (int)packet[2] * 32 + 16, (int)((byte)packet[3]) * 32, (int)packet[4] * 32 + 16, (byte)0, (byte)0, (byte)0);
// Collect the block instantly (TODO: Collect the block if near the player)
Transmit(PacketType.CollectItem, eid, _Player.EntityID);
// Destroy the entity beacuse it's collected
Transmit(PacketType.DestroyEntity, eid);
// Update the inventory coherently
int slot = _Player.inventory.Add((short)block);
CXMineServer.Log("Sent to slot " + slot.ToString());
Transmit(PacketType.SetSlot, (byte)0, slot, (short)block, (byte)_Player.inventory.GetItem(slot).Count, (byte)0);*/
}
public static void ReadPlayerPosition(NetState ns, PacketReader packetReader)
{
double x = packetReader.ReadDouble();
double stance = packetReader.ReadDouble();
double y = packetReader.ReadDouble();
double z = packetReader.ReadDouble();
ns.Owner.X = x;
ns.Owner.Y = y;
ns.Owner.Z = z;
bool onGround = packetReader.ReadBool();
ns.Owner.Moved = true;
}
public KeepAliveTimer(NetState ns)
: base(TimeSpan.FromSeconds(2.0), false)
{
_NetState = ns;
}
public static void ReadHandshake(NetState ns, PacketReader packetReader)
{
short length = packetReader.ReadInt16();
if (packetReader.Index + length <= packetReader.Size)
{
string username = packetReader.ReadString(length);
ns.Owner.Username = username;
}
else
{
packetReader.Failed = true;
return;
}
ns.Handshake();
}
