bool SendRawMapCore(Level oldLevel, Level level)
{
if (level.blocks == null)
{
return(false);
}
bool success = true;
useCheckpointSpawn = false;
lastCheckpointIndex = -1;
AFKCooldown = DateTime.UtcNow.AddSeconds(2);
SendMapMotd();
AccessResult access = level.BuildAccess.Check(this);
AllowBuild = access == AccessResult.Whitelisted || access == AccessResult.Allowed;
try {
Send(Packet.LevelInitalise());
if (hasBlockDefs)
{
if (oldLevel != null && oldLevel != level)
{
RemoveOldLevelCustomBlocks(oldLevel);
}
BlockDefinition.SendLevelCustomBlocks(this);
if (Supports(CpeExt.InventoryOrder))
{
BlockDefinition.SendLevelInventoryOrder(this);
}
}
using (LevelChunkStream s = new LevelChunkStream(this))
LevelChunkStream.CompressMap(this, s);
// Force players to read the MOTD (clamped to 3 seconds at most)
if (level.Config.LoadDelay > 0)
{
System.Threading.Thread.Sleep(level.Config.LoadDelay);
}
byte[] buffer = Packet.LevelFinalise(level.Width, level.Height, level.Length);
Send(buffer);
Loading = false;
OnJoinedLevelEvent.Call(this, oldLevel, level);
} catch (Exception ex) {
success = false;
PlayerActions.ChangeMap(this, Server.mainLevel);
SendMessage("There was an error sending the map data, you have been sent to the main level.");
Logger.LogError(ex);
} finally {
Server.DoGC();
}
return(success);
}
bool SendRawMapCore(Level prev, Level level)
{
bool success = true;
try {
if (level.blocks == null)
{
throw new InvalidOperationException("Tried to join unloaded level");
}
useCheckpointSpawn = false;
lastCheckpointIndex = -1;
AFKCooldown = DateTime.UtcNow.AddSeconds(2);
ZoneIn = null;
SendMapMotd();
AllowBuild = level.BuildAccess.CheckAllowed(this);
int volume = level.blocks.Length;
if (Supports(CpeExt.FastMap))
{
Send(Packet.LevelInitaliseExt(volume));
}
else
{
Send(Packet.LevelInitalise());
}
if (hasBlockDefs)
{
if (prev != null && prev != level)
{
RemoveOldLevelCustomBlocks(prev);
}
BlockDefinition.SendLevelCustomBlocks(this);
if (Supports(CpeExt.InventoryOrder))
{
BlockDefinition.SendLevelInventoryOrder(this);
}
}
using (LevelChunkStream dst = new LevelChunkStream(this))
using (Stream stream = LevelChunkStream.CompressMapHeader(this, volume, dst))
{
if (level.MightHaveCustomBlocks())
{
LevelChunkStream.CompressMap(this, stream, dst);
}
else
{
LevelChunkStream.CompressMapSimple(this, stream, dst);
}
}
// Force players to read the MOTD (clamped to 3 seconds at most)
if (level.Config.LoadDelay > 0)
{
System.Threading.Thread.Sleep(level.Config.LoadDelay);
}
byte[] buffer = Packet.LevelFinalise(level.Width, level.Height, level.Length);
Send(buffer);
Loading = false;
OnSentMapEvent.Call(this, prev, level);
} catch (Exception ex) {
success = false;
PlayerActions.ChangeMap(this, Server.mainLevel);
Message("&WThere was an error sending the map, you have been sent to the main level.");
Logger.LogError(ex);
} finally {
Server.DoGC();
}
return(success);
}
bool SendRawMapCore(Level oldLevel, Level level)
{
if (level.blocks == null)
{
return(false);
}
bool success = true;
useCheckpointSpawn = false;
lastCheckpointIndex = -1;
LevelAccess access = level.BuildAccess.Check(this);
AllowBuild = access == LevelAccess.Whitelisted || access == LevelAccess.Allowed;
try {
if (hasBlockDefs)
{
if (oldLevel != null && oldLevel != level)
{
RemoveOldLevelCustomBlocks(oldLevel);
}
BlockDefinition.SendLevelCustomBlocks(this);
}
SendRaw(Opcode.LevelInitialise);
using (LevelChunkStream s = new LevelChunkStream(this))
LevelChunkStream.CompressMap(this, s);
byte[] buffer = new byte[7];
buffer[0] = Opcode.LevelFinalise;
NetUtils.WriteI16((short)level.Width, buffer, 1);
NetUtils.WriteI16((short)level.Height, buffer, 3);
NetUtils.WriteI16((short)level.Length, buffer, 5);
Send(buffer);
AFKCooldown = DateTime.UtcNow.AddSeconds(2);
Loading = false;
if (HasCpeExt(CpeExt.EnvWeatherType))
{
Send(Packet.EnvWeatherType((byte)level.Weather));
}
if (HasCpeExt(CpeExt.EnvColors))
{
SendCurrentEnvColors();
}
SendCurrentMapAppearance();
if (HasCpeExt(CpeExt.BlockPermissions))
{
SendCurrentBlockPermissions();
}
if (OnSendMap != null)
{
OnSendMap(this, buffer);
}
if (!level.guns && aiming)
{
aiming = false;
ClearBlockchange();
}
} catch (Exception ex) {
success = false;
PlayerActions.ChangeMap(this, Server.mainLevel);
SendMessage("There was an error sending the map data, you have been sent to the main level.");
Server.ErrorLog(ex);
} finally {
GC.Collect();
GC.WaitForPendingFinalizers();
}
return(success);
}
public unsafe static void CompressMap(Player p, LevelChunkStream dst)
{
const int bufferSize = 64 * 1024;
byte[] buffer = new byte[bufferSize];
int bIndex = 0;
// Store on stack instead of performing function call for every block in map
byte *conv = stackalloc byte[256];
byte *convCPE = stackalloc byte[256];
for (int i = 0; i < 256; i++)
{
conv[i] = Block.Convert((byte)i);
}
if (!p.hasCustomBlocks)
{
for (int i = 0; i < 256; i++)
{
convCPE[i] = Block.ConvertCPE((byte)i);
conv[i] = Block.ConvertCPE(conv[i]);
}
}
Level lvl = p.level;
bool hasBlockDefs = p.hasBlockDefs;
using (GZipStream gs = new GZipStream(dst, CompressionMode.Compress, true)) {
byte[] blocks = lvl.blocks;
NetUtils.WriteI32(blocks.Length, buffer, 0);
gs.Write(buffer, 0, sizeof(int));
dst.length = blocks.Length;
// compress the map data in 64 kb chunks
if (p.hasCustomBlocks)
{
for (int i = 0; i < blocks.Length; ++i)
{
byte block = blocks[i];
if (block == Block.custom_block)
{
buffer[bIndex] = hasBlockDefs ? lvl.GetExtTile(i) : lvl.GetFallbackExtTile(i);
}
else
{
buffer[bIndex] = conv[block];
}
bIndex++;
if (bIndex == bufferSize)
{
dst.position = i;
gs.Write(buffer, 0, bufferSize); bIndex = 0;
}
}
}
else
{
for (int i = 0; i < blocks.Length; ++i)
{
byte block = blocks[i];
if (block == Block.custom_block)
{
block = hasBlockDefs ? lvl.GetExtTile(i) : lvl.GetFallbackExtTile(i);
buffer[bIndex] = convCPE[block];
}
else
{
buffer[bIndex] = conv[block];
}
bIndex++;
if (bIndex == bufferSize)
{
dst.position = i;
gs.Write(buffer, 0, bufferSize); bIndex = 0;
}
}
}
if (bIndex > 0)
{
gs.Write(buffer, 0, bIndex);
}
}
}