bool ProcessSetBlockPacket()
{
ResetIdleTimer();
short x = reader.ReadInt16();
short z = reader.ReadInt16();
short y = reader.ReadInt16();
bool isDeleting = (reader.ReadByte() == 0);
byte rawType = reader.ReadByte();
// check if block type is valid
if (!UsesCustomBlocks && rawType > (byte)Map.MaxLegalBlockType ||
UsesCustomBlocks && rawType > (byte)Map.MaxCustomBlockType)
{
KickNow("Hacking detected.");
Logger.LogWarning("Player {0} tried to place an invalid block type.", Name);
return(false);
}
if (IsPainting)
{
isDeleting = false;
}
Block block = (Block)rawType;
if (isDeleting)
{
block = Block.Air;
}
// check if coordinates are within map boundaries (don't kick)
if (!Map.InBounds(x, y, z))
{
return(true);
}
// check if player is close enough to place
if (!IsOp && Config.LimitClickDistance || IsOp && Config.OpLimitClickDistance)
{
if (Math.Abs(x * 32 - Position.X) > MaxBlockPlacementRange ||
Math.Abs(y * 32 - Position.Y) > MaxBlockPlacementRange ||
Math.Abs(z * 32 - Position.Z) > MaxBlockPlacementRange)
{
KickNow("Hacking detected.");
Logger.LogWarning("Player {0} tried to place a block too far away.", Name);
return(false);
}
}
// check click rate
if (!IsOp && Config.LimitClickRate || IsOp && Config.OpLimitClickRate)
{
if (DetectBlockSpam())
{
KickNow("Hacking detected.");
Logger.LogWarning("Player {0} tried to place blocks too quickly.", Name);
return(false);
}
}
// apply blocktype mapping
if (block == Block.Blue && PlaceWater)
{
block = Block.Water;
}
else if (block == Block.Red && PlaceLava)
{
block = Block.Lava;
}
else if (block == Block.Stone && PlaceSolid)
{
block = Block.Admincrete;
}
else if (block == Block.Dirt && PlaceGrass)
{
block = Block.Grass;
}
// check if blocktype is permitted
if ((block == Block.Water || block == Block.StillWater) && !CanUseWater ||
(block == Block.Lava || block == Block.StillLava) && !CanUseLava ||
(block == Block.Grass) && !CanUseGrass ||
(block == Block.Admincrete || block == Block.Admincrete) && !CanUseSolid)
{
KickNow("Hacking detected.");
Logger.LogWarning("Player {0} tried to place a restricted block type.", Name);
return(false);
}
// check if deleting admincrete
Block oldBlock = Map.GetBlock(x, y, z);
if ((oldBlock == Block.Admincrete) && !CanUseSolid)
{
KickNow("Hacking detected.");
Logger.LogWarning("Player {0} tried to delete a restricted block type.", Name);
return(false);
}
// update map
Map.SetBlock(this, x, y, z, block);
// check if sending back an update is necessary
Block placedBlock = Map.GetBlock(x, y, z);
if (IsPainting || (!isDeleting && placedBlock != (Block)rawType))
{
writer.Write(Packet.MakeSetBlock(x, y, z, placedBlock).Bytes);
}
return(true);
}