public void DestroyCactus(BlockDescriptor descriptor, IMultiplayerServer server, IWorld world)
{
var toDrop = 0;
// Search upwards
for (int y = descriptor.Coordinates.Y; y < 127; y++)
{
var coordinates = new Coordinates3D(descriptor.Coordinates.X, y, descriptor.Coordinates.Z);
if (world.GetBlockID(coordinates) == CactusBlock.BlockID)
{
world.SetBlockID(coordinates, AirBlock.BlockID);
toDrop++;
}
}
// Search downwards.
for (int y = descriptor.Coordinates.Y - 1; y > 0; y--)
{
var coordinates = new Coordinates3D(descriptor.Coordinates.X, y, descriptor.Coordinates.Z);
if (world.GetBlockID(coordinates) == CactusBlock.BlockID)
{
world.SetBlockID(coordinates, AirBlock.BlockID);
toDrop++;
}
}
var manager = server.GetEntityManagerForWorld(world);
manager.SpawnEntity(
new ItemEntity(descriptor.Coordinates + Coordinates3D.Up,
new ItemStack(CactusBlock.BlockID, (sbyte)toDrop)));
}
public void DoSpread(IMultiplayerServer server, IWorld world, BlockDescriptor descriptor)
{
foreach (var coord in SpreadableBlocks)
{
var check = descriptor.Coordinates + coord;
if (world.GetBlockID(check) == AirBlock.BlockID)
{
// Check if this is adjacent to a flammable block
foreach (var adj in AdjacentBlocks)
{
var provider = BlockRepository.GetBlockProvider(
world.GetBlockID(check + adj));
if (provider.Flammable)
{
if (provider.Hardness == 0)
{
check = check + adj;
}
// Spread to this block
world.SetBlockID(check, FireBlock.BlockID);
ScheduleUpdate(server, world, world.GetBlockData(check));
break;
}
}
}
}
}
public void DestroyCactus(BlockDescriptor descriptor, IMultiplayerServer server, IWorld world)
{
var toDrop = 0;
// Search upwards
for (int y = descriptor.Coordinates.Y; y < 127; y++)
{
var coordinates = new Coordinates3D(descriptor.Coordinates.X, y, descriptor.Coordinates.Z);
if (world.GetBlockID(coordinates) == CactusBlock.BlockID)
{
world.SetBlockID(coordinates, AirBlock.BlockID);
toDrop++;
}
}
// Search downwards.
for (int y = descriptor.Coordinates.Y - 1; y > 0; y--)
{
var coordinates = new Coordinates3D(descriptor.Coordinates.X, y, descriptor.Coordinates.Z);
if (world.GetBlockID(coordinates) == CactusBlock.BlockID)
{
world.SetBlockID(coordinates, AirBlock.BlockID);
toDrop++;
}
}
var manager = server.GetEntityManagerForWorld(world);
manager.SpawnEntity(
new ItemEntity(descriptor.Coordinates + Coordinates3D.Up,
new ItemStack(CactusBlock.BlockID, (sbyte)toDrop)));
}
public void DoSpread(IMultiplayerServer server, IWorld world, BlockDescriptor descriptor)
{
foreach (var coord in SpreadableBlocks)
{
var check = descriptor.Coordinates + coord;
if (world.GetBlockID(check) == AirBlock.BlockID)
{
// Check if this is adjacent to a flammable block
foreach (var adj in AdjacentBlocks)
{
var provider = BlockRepository.GetBlockProvider(
world.GetBlockID(check + adj));
if (provider.Flammable)
{
if (provider.Hardness == 0)
check = check + adj;
// Spread to this block
world.SetBlockID(check, FireBlock.BlockID);
ScheduleUpdate(server, world, world.GetBlockData(check));
break;
}
}
}
}
}
public void GenerateDropEntity(BlockDescriptor descriptor, IWorld world, IMultiplayerServer server, ItemStack item)
{
var entityManager = server.GetEntityManagerForWorld(world);
var items = new ItemStack[0];
var type = ToolType.None;
var material = ToolMaterial.None;
var held = ItemRepository.GetItemProvider(item.ID);
if (held is ToolItem)
{
var tool = held as ToolItem;
material = tool.Material;
type = tool.ToolType;
}
if ((EffectiveTools & type) > 0)
{
if ((EffectiveToolMaterials & material) > 0)
{
items = GetDrop(descriptor, item);
}
}
foreach (var i in items)
{
if (i.Empty)
{
continue;
}
var entity = new ItemEntity(new Vector3(descriptor.Coordinates) + new Vector3(0.5), i);
entityManager.SpawnEntity(entity);
}
}
private void TryGrowth(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
return;
// Find current height of stalk
int height = 0;
for (int y = -MaxGrowHeight; y <= MaxGrowHeight; y++)
{
if (world.GetBlockID(coords + (Coordinates3D.Down * y)) == BlockID)
height++;
}
if (height < MaxGrowHeight)
{
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
var chunk = world.FindChunk(coords);
if (meta == 15)
{
if (world.GetBlockID(coords + Coordinates3D.Up) == 0)
{
world.SetBlockID(coords + Coordinates3D.Up, BlockID);
server.Scheduler.ScheduleEvent("cactus", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords + Coordinates3D.Up, world));
}
}
else
{
server.Scheduler.ScheduleEvent("cactus", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords, world));
}
}
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("crops", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(30, 60)),
(s) => GrowBlock(s, world, coords));
}
void HydrationCheckEvent(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
return;
if (MathHelper.Random.Next(3) == 0)
{
var meta = world.GetMetadata(coords);
if (IsHydrated(coords, world) && meta != 15)
meta++;
else
{
meta--;
if (meta == 0)
{
world.SetBlockID(coords, BlockID);
return;
}
}
world.SetMetadata(coords, meta);
}
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("farmland", chunk,
TimeSpan.FromSeconds(UpdateIntervalSeconds),
_server => HydrationCheckEvent(_server, coords, world));
}
void HydrationCheckEvent(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
if (MathHelper.Random.Next(3) == 0)
{
var meta = world.GetMetadata(coords);
if (IsHydrated(coords, world) && meta != 15)
{
meta++;
}
else
{
meta--;
if (meta == 0)
{
world.SetBlockID(coords, BlockID);
return;
}
}
world.SetMetadata(coords, meta);
}
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("farmland", chunk,
TimeSpan.FromSeconds(UpdateIntervalSeconds),
_server => HydrationCheckEvent(_server, coords, world));
}
public static void HandleLoginRequestPacket(IPacket packet, IRemoteClient client, IMultiplayerServer server)
{
var loginRequestPacket = (LoginRequestPacket)packet;
var remoteClient = (RemoteClient)client;
if (loginRequestPacket.ProtocolVersion < server.PacketReader.ProtocolVersion)
remoteClient.QueuePacket(new DisconnectPacket("Client outdated! Use beta 1.7.3."));
else if (loginRequestPacket.ProtocolVersion > server.PacketReader.ProtocolVersion)
remoteClient.QueuePacket(new DisconnectPacket("Server outdated! Use beta 1.7.3."));
else if (server.Worlds.Count == 0)
remoteClient.QueuePacket(new DisconnectPacket("Server has no worlds configured."));
else if (!server.PlayerIsWhitelisted(remoteClient.Username) && server.PlayerIsBlacklisted(remoteClient.Username))
remoteClient.QueuePacket(new DisconnectPacket("You're banned from this server"));
else if (server.Clients.Count(c => c.Username == client.Username) > 1)
remoteClient.QueuePacket(new DisconnectPacket("The player with this username is already logged in"));
else
{
remoteClient.LoggedIn = true;
remoteClient.Entity = new PlayerEntity(remoteClient.Username);
remoteClient.World = server.Worlds[0];
remoteClient.ChunkRadius = 2;
if (!remoteClient.Load())
remoteClient.Entity.Position = remoteClient.World.SpawnPoint;
// Make sure they don't spawn in the ground
var collision = new Func<bool>(() =>
{
var feet = client.World.GetBlockID((Coordinates3D)client.Entity.Position);
var head = client.World.GetBlockID((Coordinates3D)(client.Entity.Position + Vector3.Up));
var feetBox = server.BlockRepository.GetBlockProvider(feet).BoundingBox;
var headBox = server.BlockRepository.GetBlockProvider(head).BoundingBox;
return feetBox != null || headBox != null;
});
while (collision())
client.Entity.Position += Vector3.Up;
// Send setup packets
remoteClient.QueuePacket(new LoginResponsePacket(0, 0, Dimension.Overworld));
remoteClient.UpdateChunks();
remoteClient.QueuePacket(new WindowItemsPacket(0, remoteClient.Inventory.GetSlots()));
remoteClient.QueuePacket(new SpawnPositionPacket((int)remoteClient.Entity.Position.X,
(int)remoteClient.Entity.Position.Y, (int)remoteClient.Entity.Position.Z));
remoteClient.QueuePacket(new SetPlayerPositionPacket(remoteClient.Entity.Position.X,
remoteClient.Entity.Position.Y + 1,
remoteClient.Entity.Position.Y + remoteClient.Entity.Size.Height + 1,
remoteClient.Entity.Position.Z, remoteClient.Entity.Yaw, remoteClient.Entity.Pitch, true));
remoteClient.QueuePacket(new TimeUpdatePacket(remoteClient.World.Time));
// Start housekeeping for this client
var entityManager = server.GetEntityManagerForWorld(remoteClient.World);
entityManager.SpawnEntity(remoteClient.Entity);
entityManager.SendEntitiesToClient(remoteClient);
server.Scheduler.ScheduleEvent("remote.keepalive", remoteClient, TimeSpan.FromSeconds(10), remoteClient.SendKeepAlive);
server.Scheduler.ScheduleEvent("remote.chunks", remoteClient, TimeSpan.FromSeconds(1), remoteClient.ExpandChunkRadius);
if (!string.IsNullOrEmpty(Program.ServerConfiguration.MOTD))
remoteClient.SendMessage(Program.ServerConfiguration.MOTD);
if (!Program.ServerConfiguration.Singleplayer)
server.SendMessage(ChatColor.Yellow + "{0} joined the server.", remoteClient.Username);
}
}
public void GenerateDropEntity(BlockDescriptor descriptor, IWorld world, IMultiplayerServer server, ItemStack item)
{
var entityManager = server.GetEntityManagerForWorld(world);
var items = new ItemStack[0];
var type = ToolType.None;
var material = ToolMaterial.None;
var held = ItemRepository.GetItemProvider(item.ID);
if (held is ToolItem)
{
var tool = held as ToolItem;
material = tool.Material;
type = tool.ToolType;
}
if ((EffectiveTools & type) > 0)
{
if ((EffectiveToolMaterials & material) > 0)
items = GetDrop(descriptor, item);
}
foreach (var i in items)
{
if (i.Empty) continue;
var entity = new ItemEntity(new Vector3(descriptor.Coordinates) + new Vector3(0.5), i);
entityManager.SpawnEntity(entity);
}
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent(chunk, DateTime.UtcNow.AddSeconds(MathHelper.Random.Next(30, 60)),
(s) => GrowBlock(s, world, coords));
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("cactus", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
s => TryGrowth(s, coords, world));
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent(chunk,
DateTime.UtcNow.AddSeconds(MathHelper.Random.Next(MinGrowthTime, MaxGrowthTime)),
s => TrySpread(coords, world, server));
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("farmland", chunk,
TimeSpan.FromSeconds(UpdateIntervalSeconds),
s => HydrationCheckEvent(s, coords, world));
}
void HydrationCheckEvent(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
if (MathHelper.Random.Next(3) == 0)
{
var meta = world.GetMetadata(coords);
if (IsHydrated(coords, world) && meta != 15)
{
meta++;
}
else
{
meta--;
if (meta == 0)
{
world.SetBlockID(coords, BlockID);
return;
}
}
world.SetMetadata(coords, meta);
}
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(UpdateIntervalSeconds), (_server) => HydrationCheckEvent(_server, coords, world));
}
public static void HandleHandshakePacket(IPacket packet, IRemoteClient client, IMultiplayerServer server)
{
var handshakePacket = (HandshakePacket) packet;
var remoteClient = (RemoteClient)client;
remoteClient.Username = handshakePacket.Username;
remoteClient.QueuePacket(new HandshakeResponsePacket("-")); // TODO: Implement some form of authentication
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
bool upper = ((DoorItem.DoorFlags)descriptor.Metadata & DoorItem.DoorFlags.Upper) == DoorItem.DoorFlags.Upper;
var other = upper ? Coordinates3D.Down : Coordinates3D.Up;
if (world.GetBlockID(descriptor.Coordinates + other) != ID)
world.SetBlockID(descriptor.Coordinates, 0);
}
private void TryGrowth(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
// Find current height of stalk
int height = 0;
for (int y = -3; y <= 3; y++)
{
if (world.GetBlockID(coords + (Coordinates3D.Down * y)) == BlockID)
{
height++;
}
}
if (height < 3)
{
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
if (meta == 15)
{
world.SetBlockID(coords + Coordinates3D.Up, BlockID);
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords + Coordinates3D.Up, world));
}
else
{
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords, world));
}
}
}
public void ScheduleUpdate(IMultiplayerServer server, IWorld world, BlockDescriptor descriptor)
{
var chunk = world.FindChunk(descriptor.Coordinates);
server.Scheduler.ScheduleEvent("fire.spread", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinSpreadTime, MaxSpreadTime)),
s => DoUpdate(s, world, descriptor));
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("grass", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthTime, MaxGrowthTime)),
s => TrySpread(coords, world, server));
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
if (world.GetBlockID(descriptor.Coordinates + Coordinates3D.Down) != FarmlandBlock.BlockID)
{
GenerateDropEntity(descriptor, world, server);
world.SetBlockID(descriptor.Coordinates, 0);
}
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
if (world.GetBlockID(descriptor.Coordinates + Coordinates3D.Down) == AirBlock.BlockID)
{
world.SetBlockID(descriptor.Coordinates, AirBlock.BlockID);
server.GetEntityManagerForWorld(world).SpawnEntity(new FallingGravelEntity(descriptor.Coordinates));
}
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("farmland", chunk,
TimeSpan.FromSeconds(UpdateIntervalSeconds),
s => HydrationCheckEvent(s, coords, world));
}
public EventScheduler(IMultiplayerServer server)
{
Events = new List <ScheduledEvent>();
Server = server;
Subjects = new HashSet <IEventSubject>();
Stopwatch = new Stopwatch();
Stopwatch.Start();
}
public void ScheduleNextEvent(Coordinates3D coords, IWorld world, IMultiplayerServer server)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent(chunk,
DateTime.UtcNow.AddSeconds(SecondsBetweenUpdates), (_server) =>
AutomataUpdate(_server, world, coords));
}
public EventScheduler(IMultiplayerServer server)
{
Events = new List<ScheduledEvent>();
Server = server;
Subjects = new HashSet<IEventSubject>();
Stopwatch = new Stopwatch();
Stopwatch.Start();
}
public void ScheduleNextEvent(Coordinates3D coords, IWorld world, IMultiplayerServer server)
{
if (world.GetBlockID(coords) == StillID)
return;
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("fluid", chunk,
TimeSpan.FromSeconds(SecondsBetweenUpdates), (_server) =>
AutomataUpdate(_server, world, coords));
}
internal static void HandleChatMessage(IPacket _packet, IRemoteClient _client, IMultiplayerServer _server)
{
// TODO: Abstract this to support things like commands
// TODO: Sanitize messages
var packet = (ChatMessagePacket)_packet;
var server = (MultiplayerServer)_server;
var args = new ChatMessageEventArgs(_client, packet.Message);
server.OnChatMessageReceived(args);
}
public static void HandleChangeHeldItem(IPacket _packet, IRemoteClient _client, IMultiplayerServer server)
{
var packet = (ChangeHeldItemPacket)_packet;
var client = (RemoteClient)_client;
client.SelectedSlot = (short)(packet.Slot + InventoryWindow.HotbarIndex);
var notified = server.GetEntityManagerForWorld(client.World).ClientsForEntity(client.Entity);
foreach (var c in notified)
c.QueuePacket(new EntityEquipmentPacket(client.Entity.EntityID, 0, client.SelectedItem.ID, client.SelectedItem.Metadata));
}
public virtual bool IsSupported(BlockDescriptor descriptor, IMultiplayerServer server, IWorld world)
{
var support = GetSupportDirection(descriptor);
if (support != Coordinates3D.Zero)
{
var supportingBlock = server.BlockRepository.GetBlockProvider(world.GetBlockID(descriptor.Coordinates + support));
if (!supportingBlock.Opaque)
return false;
}
return true;
}
public EntityManager(IMultiplayerServer server, IWorld world)
{
Server = server;
World = world;
PhysicsEngine = new PhysicsEngine(world, (BlockRepository)server.BlockRepository);
PendingDespawns = new ConcurrentBag<IEntity>();
Entities = new List<IEntity>();
// TODO: Handle loading worlds that already have entities
// Note: probably not the concern of EntityManager. The server could manually set this?
NextEntityID = 1;
}
public EntityManager(IMultiplayerServer server, IWorld world)
{
Server = server;
World = world;
PhysicsEngine = new PhysicsEngine(world, (BlockRepository)server.BlockRepository);
PendingDespawns = new ConcurrentBag <IEntity>();
Entities = new List <IEntity>();
// TODO: Handle loading worlds that already have entities
// Note: probably not the concern of EntityManager. The server could manually set this?
NextEntityID = 1;
}
static void SaveWorlds(IMultiplayerServer server)
{
Server.Log(LogCategory.Notice, "Saving world...");
foreach (var w in Server.Worlds)
{
w.Save();
}
Server.Log(LogCategory.Notice, "Done.");
server.Scheduler.ScheduleEvent("world.save", null,
TimeSpan.FromSeconds(ServerConfiguration.WorldSaveInterval), SaveWorlds);
}
public void TrySpread(Coordinates3D coords, IWorld world, IMultiplayerServer server)
{
if (!world.IsValidPosition(coords + Coordinates3D.Up))
{
return;
}
var sky = world.GetSkyLight(coords + Coordinates3D.Up);
var block = world.GetBlockLight(coords + Coordinates3D.Up);
if (sky < 9 && block < 9)
{
return;
}
for (int i = 0, j = MathHelper.Random.Next(GrowthCandidates.Length); i < GrowthCandidates.Length; i++, j++)
{
var candidate = GrowthCandidates[j % GrowthCandidates.Length] + coords;
if (!world.IsValidPosition(candidate) || !world.IsValidPosition(candidate + Coordinates3D.Up))
{
continue;
}
var id = world.GetBlockID(candidate);
if (id == DirtBlock.BlockID)
{
var _sky = world.GetSkyLight(candidate + Coordinates3D.Up);
var _block = world.GetBlockLight(candidate + Coordinates3D.Up);
if (_sky < 4 && _block < 4)
{
continue;
}
IChunk chunk;
var _candidate = world.FindBlockPosition(candidate, out chunk);
bool grow = true;
for (int y = candidate.Y; y < chunk.GetHeight((byte)_candidate.X, (byte)_candidate.Z); y++)
{
var b = world.GetBlockID(new Coordinates3D(candidate.X, y, candidate.Z));
var p = world.BlockRepository.GetBlockProvider(b);
if (p.LightOpacity >= 2)
{
grow = false;
break;
}
}
if (grow)
{
world.SetBlockID(candidate, GrassBlock.BlockID);
server.Scheduler.ScheduleEvent("grass", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthTime, MaxGrowthTime)),
s => TrySpread(candidate, world, server));
}
break;
}
}
}
public EventScheduler(IMultiplayerServer server)
{
Events = new List <ScheduledEvent>();
ImmediateEventQueue = new ConcurrentQueue <ScheduledEvent>();
LaterEventQueue = new ConcurrentQueue <ScheduledEvent>();
DisposedSubjects = new ConcurrentQueue <IEventSubject>();
Server = server;
Subjects = new HashSet <IEventSubject>();
Stopwatch = new Stopwatch();
DisabledEvents = new HashSet <string>();
Stopwatch.Start();
}
public void ScheduleNextEvent(Coordinates3D coords, IWorld world, IMultiplayerServer server)
{
if (world.GetBlockID(coords) == StillID)
{
return;
}
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("fluid", chunk,
TimeSpan.FromSeconds(SecondsBetweenUpdates), (_server) =>
AutomataUpdate(_server, world, coords));
}
private void FlowOutward(IWorld world, LiquidFlow target, IMultiplayerServer server)
{
// For each block we can flow into, generate an item entity if appropriate
var provider = world.BlockRepository.GetBlockProvider(world.GetBlockID(target.TargetBlock));
provider.GenerateDropEntity(new BlockDescriptor {
Coordinates = target.TargetBlock, ID = provider.ID
}, world, server);
// And overwrite the block with a new fluid block.
world.SetBlockID(target.TargetBlock, FlowingID);
world.SetMetadata(target.TargetBlock, target.Level);
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(SecondsBetweenUpdates), s => AutomataUpdate(s, world, target.TargetBlock));
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
if (ID == StillID)
{
var outward = DetermineOutwardFlow(world, descriptor.Coordinates);
var inward = DetermineInwardFlow(world, descriptor.Coordinates);
if (outward.Length != 0 || inward != descriptor.Metadata)
{
world.SetBlockID(descriptor.Coordinates, FlowingID);
ScheduleNextEvent(descriptor.Coordinates, world, server);
}
}
}
public virtual bool IsSupported(BlockDescriptor descriptor, IMultiplayerServer server, IWorld world)
{
var support = GetSupportDirection(descriptor);
if (support != Coordinates3D.Zero)
{
var supportingBlock = server.BlockRepository.GetBlockProvider(world.GetBlockID(descriptor.Coordinates + support));
if (!supportingBlock.Opaque)
{
return(false);
}
}
return(true);
}
public static void HandleAnimation(IPacket _packet, IRemoteClient _client, IMultiplayerServer server)
{
var packet = (AnimationPacket)_packet;
var client = (RemoteClient)_client;
if (packet.EntityID == client.Entity.EntityID)
{
var nearby = server.GetEntityManagerForWorld(client.World)
.ClientsForEntity(client.Entity);
foreach (var player in nearby)
{
player.QueuePacket(packet);
}
}
}
private void GrowBlock(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
if (world.GetBlockID(coords) != BlockID)
return;
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
if (meta < 7)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("crops",
chunk, TimeSpan.FromSeconds(MathHelper.Random.Next(30, 60)),
(_server) => GrowBlock(_server, world, coords));
}
}
public void GenerateDropEntity(BlockDescriptor descriptor, IWorld world, IMultiplayerServer server)
{
var entityManager = server.GetEntityManagerForWorld(world);
var items = GetDrop(descriptor);
foreach (var item in items)
{
if (item.Empty)
{
continue;
}
var entity = new ItemEntity(new Vector3(descriptor.Coordinates) + new Vector3(0.5), item);
entityManager.SpawnEntity(entity);
}
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
if (source.Coordinates == descriptor.Coordinates + Coordinates3D.Up)
{
var provider = world.BlockRepository.GetBlockProvider(source.ID);
if (provider.Opaque)
{
var chunk = world.FindChunk(descriptor.Coordinates, generate: false);
server.Scheduler.ScheduleEvent("grass", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinDecayTime, MaxDecayTime)), s =>
{
ScheduledUpdate(world, descriptor.Coordinates);
});
}
}
}
private void AutomataUpdate(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
if (world.GetBlockID(coords) != FlowingID && world.GetBlockID(coords) != StillID)
{
return;
}
server.BlockUpdatesEnabled = false;
var again = DoAutomata(server, world, coords);
server.BlockUpdatesEnabled = true;
if (again)
{
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(SecondsBetweenUpdates), (_server) =>
AutomataUpdate(_server, world, coords));
}
}
private void GrowBlock(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
if (meta < 7)
{
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(MathHelper.Random.Next(30, 60)),
(_server) => GrowBlock(_server, world, coords));
}
}
internal void ExpandChunkRadius(IMultiplayerServer server)
{
if (this.Disconnected)
{
return;
}
Task.Factory.StartNew(() =>
{
if (ChunkRadius < 8) // TODO: Allow customization of this number
{
ChunkRadius++;
UpdateChunks();
server.Scheduler.ScheduleEvent("remote.chunks", this, TimeSpan.FromSeconds(1), ExpandChunkRadius);
}
});
}
public RemoteClient(IMultiplayerServer server, NetworkStream stream)
{
NetworkStream = stream;
MinecraftStream = new MinecraftStream(new TrueCraft.Core.Networking.BufferedStream(NetworkStream));
PacketQueue = new ConcurrentQueue <IPacket>();
LoadedChunks = new List <Coordinates2D>();
Server = server;
Inventory = new InventoryWindow(server.CraftingRepository);
InventoryWindow.WindowChange += HandleWindowChange;
SelectedSlot = InventoryWindow.HotbarIndex;
CurrentWindow = InventoryWindow;
ItemStaging = ItemStack.EmptyStack;
KnownEntities = new List <IEntity>();
Disconnected = false;
EnableLogging = server.EnableClientLogging;
NextWindowID = 1;
}
private void GrowBlock(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
if (meta < 7)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("crops",
chunk, TimeSpan.FromSeconds(MathHelper.Random.Next(30, 60)),
(_server) => GrowBlock(_server, world, coords));
}
}
private void AutomataUpdate(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
if (world.GetBlockID(coords) != FlowingID && world.GetBlockID(coords) != StillID)
{
return;
}
server.BlockUpdatesEnabled = false;
var again = DoAutomata(server, world, coords);
server.BlockUpdatesEnabled = true;
if (again)
{
var chunk = world.FindChunk(coords);
server.Scheduler.ScheduleEvent("fluid", chunk,
TimeSpan.FromSeconds(SecondsBetweenUpdates), (_server) =>
AutomataUpdate(_server, world, coords));
}
}
public bool DoAutomata(IMultiplayerServer server, IWorld world, Coordinates3D coords)
{
var previousLevel = world.GetMetadata(coords);
var inward = DetermineInwardFlow(world, coords);
var outward = DetermineOutwardFlow(world, coords);
if (outward.Length == 1 && outward[0].TargetBlock == coords + Coordinates3D.Down)
{
// Exit early if we have placed a fluid block beneath us (and we aren't a source block)
FlowOutward(world, outward[0], server);
if (previousLevel != 0)
{
return(true);
}
}
// Process inward flow
if (inward > MaximumFluidDepletion)
{
world.SetBlockID(coords, 0);
return(true);
}
world.SetMetadata(coords, inward);
if (inward == 0 && previousLevel != 0)
{
// Exit early if we have become a source block
return(true);
}
// Process outward flow
for (int i = 0; i < outward.Length; i++)
{
FlowOutward(world, outward[i], server);
}
// Set our block to still fluid if we are done spreading.
if (outward.Length == 0 && inward == previousLevel)
{
world.SetBlockID(coords, StillID);
return(false);
}
return(true);
}
public void DoUpdate(IMultiplayerServer server, IWorld world, BlockDescriptor descriptor)
{
var down = descriptor.Coordinates + Coordinates3D.Down;
var current = world.GetBlockID(descriptor.Coordinates);
if (current != FireBlock.BlockID && current != LavaBlock.BlockID && current != StationaryLavaBlock.BlockID)
{
return;
}
// Decay
var meta = world.GetMetadata(descriptor.Coordinates);
meta++;
if (meta == 0xE)
{
if (!world.IsValidPosition(down) || world.GetBlockID(down) != NetherrackBlock.BlockID)
{
world.SetBlockID(descriptor.Coordinates, AirBlock.BlockID);
return;
}
}
world.SetMetadata(descriptor.Coordinates, meta);
if (meta > 9)
{
var pick = AdjacentBlocks[meta % AdjacentBlocks.Length];
var provider = BlockRepository
.GetBlockProvider(world.GetBlockID(pick + descriptor.Coordinates));
if (provider.Flammable)
{
world.SetBlockID(pick + descriptor.Coordinates, AirBlock.BlockID);
}
}
// Spread
DoSpread(server, world, descriptor);
// Schedule next event
ScheduleUpdate(server, world, descriptor);
}
private void TryGrowth(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
{
return;
}
// Find current height of stalk
int height = 0;
for (int y = -MaxGrowHeight; y <= MaxGrowHeight; y++)
{
if (world.GetBlockID(coords + (Coordinates3D.Down * y)) == BlockID)
{
height++;
}
}
if (height < MaxGrowHeight)
{
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
var chunk = world.FindChunk(coords);
if (meta == 15)
{
if (world.GetBlockID(coords + Coordinates3D.Up) == 0)
{
world.SetBlockID(coords + Coordinates3D.Up, BlockID);
server.Scheduler.ScheduleEvent("sugarcane", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords + Coordinates3D.Up, world));
}
}
else
{
server.Scheduler.ScheduleEvent("sugarcane", chunk,
TimeSpan.FromSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords, world));
}
}
}
public static void RegisterHandlers(IMultiplayerServer server)
{
server.RegisterPacketHandler(new KeepAlivePacket().ID, HandleKeepAlive);
server.RegisterPacketHandler(new ChatMessagePacket().ID, HandleChatMessage);
server.RegisterPacketHandler(new DisconnectPacket().ID, HandleDisconnect);
server.RegisterPacketHandler(new HandshakePacket().ID, LoginHandlers.HandleHandshakePacket);
server.RegisterPacketHandler(new LoginRequestPacket().ID, LoginHandlers.HandleLoginRequestPacket);
server.RegisterPacketHandler(new PlayerGroundedPacket().ID, (a, b, c) => { /* no-op */ });
server.RegisterPacketHandler(new PlayerPositionPacket().ID, EntityHandlers.HandlePlayerPositionPacket);
server.RegisterPacketHandler(new PlayerLookPacket().ID, EntityHandlers.HandlePlayerLookPacket);
server.RegisterPacketHandler(new PlayerPositionAndLookPacket().ID, EntityHandlers.HandlePlayerPositionAndLookPacket);
server.RegisterPacketHandler(new PlayerDiggingPacket().ID, InteractionHandlers.HandlePlayerDiggingPacket);
server.RegisterPacketHandler(new PlayerBlockPlacementPacket().ID, InteractionHandlers.HandlePlayerBlockPlacementPacket);
server.RegisterPacketHandler(new ChangeHeldItemPacket().ID, InteractionHandlers.HandleChangeHeldItem);
server.RegisterPacketHandler(new PlayerActionPacket().ID, InteractionHandlers.HandlePlayerAction);
server.RegisterPacketHandler(new ClickWindowPacket().ID, InteractionHandlers.HandleClickWindowPacket);
server.RegisterPacketHandler(new CloseWindowPacket().ID, InteractionHandlers.HandleCloseWindowPacket);
server.RegisterPacketHandler(new UpdateSignPacket().ID, InteractionHandlers.HandleUpdateSignPacket);
}
public RemoteClient(IMultiplayerServer server, IPacketReader packetReader, PacketHandler[] packetHandlers, Socket connection)
{
LoadedChunks = new List<Coordinates2D>();
Server = server;
Inventory = new InventoryWindow(server.CraftingRepository);
InventoryWindow.WindowChange += HandleWindowChange;
SelectedSlot = InventoryWindow.HotbarIndex;
CurrentWindow = InventoryWindow;
ItemStaging = ItemStack.EmptyStack;
KnownEntities = new List<IEntity>();
Disconnected = false;
EnableLogging = server.EnableClientLogging;
NextWindowID = 1;
Connection = connection;
SocketPool = new SocketAsyncEventArgsPool(100, 200, 65536);
PacketReader = packetReader;
PacketHandlers = packetHandlers;
cancel = new CancellationTokenSource();
StartReceive();
}
public void DoUpdate(IMultiplayerServer server, IWorld world, BlockDescriptor descriptor)
{
var down = descriptor.Coordinates + Coordinates3D.Down;
var current = world.GetBlockID(descriptor.Coordinates);
if (current != FireBlock.BlockID && current != LavaBlock.BlockID && current != StationaryLavaBlock.BlockID)
return;
// Decay
var meta = world.GetMetadata(descriptor.Coordinates);
meta++;
if (meta == 0xE)
{
if (!world.IsValidPosition(down) || world.GetBlockID(down) != NetherrackBlock.BlockID)
{
world.SetBlockID(descriptor.Coordinates, AirBlock.BlockID);
return;
}
}
world.SetMetadata(descriptor.Coordinates, meta);
if (meta > 9)
{
var pick = AdjacentBlocks[meta % AdjacentBlocks.Length];
var provider = BlockRepository
.GetBlockProvider(world.GetBlockID(pick + descriptor.Coordinates));
if (provider.Flammable)
world.SetBlockID(pick + descriptor.Coordinates, AirBlock.BlockID);
}
// Spread
DoSpread(server, world, descriptor);
// Schedule next event
ScheduleUpdate(server, world, descriptor);
}
void HydrationCheckEvent(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
return;
if (MathHelper.Random.Next(3) == 0)
{
var meta = world.GetMetadata(coords);
if (IsHydrated(coords, world) && meta != 15)
meta++;
else
{
meta--;
if (meta == 0)
{
world.SetBlockID(coords, BlockID);
return;
}
}
world.SetMetadata(coords, meta);
}
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(UpdateIntervalSeconds), (_server) => HydrationCheckEvent(_server, coords, world));
}
private void TryGrowth(IMultiplayerServer server, Coordinates3D coords, IWorld world)
{
if (world.GetBlockID(coords) != BlockID)
return;
// Find current height of stalk
int height = 0;
for (int y = -3; y <= 3; y++)
{
if (world.GetBlockID(coords + (Coordinates3D.Down * y)) == BlockID)
height++;
}
if (height < 3)
{
var meta = world.GetMetadata(coords);
meta++;
world.SetMetadata(coords, meta);
if (meta == 15)
{
world.SetBlockID(coords + Coordinates3D.Up, BlockID);
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords + Coordinates3D.Up, world));
}
else
{
server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(MathHelper.Random.Next(MinGrowthSeconds, MaxGrowthSeconds)),
(_server) => TryGrowth(_server, coords, world));
}
}
}
public override void BlockLoadedFromChunk(Coordinates3D coords, IMultiplayerServer server, IWorld world)
{
var state = GetState(world, coords);
TryInitializeFurnace(state, server.Scheduler, world, coords, server.ItemRepository);
}
public override void BlockUpdate(BlockDescriptor descriptor, BlockDescriptor source, IMultiplayerServer server, IWorld world)
{
if (!ValidPlacement(descriptor, world))
{
// Destroy self
world.SetBlockID(descriptor.Coordinates, 0);
GenerateDropEntity(descriptor, world, server);
}
}