public void QueueChunkUpdate(Vector3i chunkPos, bool lowPrioriity)
{
if (LoadedChunks.TryGetValue(chunkPos, out var chunk))
{
QueueChunkUpdate(chunk, lowPrioriity);
}
}
private void SetChunkNeighborhood(TerrainChunk chunk)
{
TerrainChunk xUp;
TerrainChunk xDown;
TerrainChunk zUp;
TerrainChunk zDown;
LoadedChunks.TryGetValue(new Vector2i(chunk.Position.X + 1, chunk.Position.Z), out xUp);
LoadedChunks.TryGetValue(new Vector2i(chunk.Position.X - 1, chunk.Position.Z), out xDown);
LoadedChunks.TryGetValue(new Vector2i(chunk.Position.X, chunk.Position.Z + 1), out zUp);
LoadedChunks.TryGetValue(new Vector2i(chunk.Position.X, chunk.Position.Z - 1), out zDown);
if (xUp != null)
{
chunk.SetNeighbors(xUp, TerrainNeighbor.XUp);
xUp.SetNeighbors(chunk, TerrainNeighbor.XDown);
}
if (xDown != null)
{
chunk.SetNeighbors(xDown, TerrainNeighbor.XDown);
xDown.SetNeighbors(chunk, TerrainNeighbor.XUp);
}
if (zUp != null)
{
chunk.SetNeighbors(zUp, TerrainNeighbor.ZUp);
zUp.SetNeighbors(chunk, TerrainNeighbor.ZDown);
}
if (zDown != null)
{
chunk.SetNeighbors(zDown, TerrainNeighbor.ZDown);
zDown.SetNeighbors(chunk, TerrainNeighbor.ZUp);
}
}
/// <summary>
/// Get the relative Chunk from a world position.
/// </summary>
/// <param name="chunkPosition"></param>
/// <param name="worldPosition"></param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public Chunk GetRelativeChunk(Direction chunkPosition, Vector3Int worldPosition)
{
switch (chunkPosition)
{
case Direction.Left:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(-8, 0, 0), out var leftChunk) ? leftChunk : null);
case Direction.Right:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(8, 0, 0), out var rightChunk) ? rightChunk : null);
case Direction.Bottom:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(0, -4, 0), out var bottomChunk) ? bottomChunk : null);
case Direction.Top:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(0, 4, 0), out var topChunk) ? topChunk : null);
case Direction.Back:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(0, 0, -8), out var backChunk) ? backChunk : null);
case Direction.Front:
return(LoadedChunks.TryGetValue(worldPosition + new Vector3Int(0, 0, 8), out var frontChunk) ? frontChunk : null);
default:
throw new ArgumentOutOfRangeException(nameof(chunkPosition), chunkPosition, null);
}
}
public override BlockData GetBlockData(int x, int y, int z)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
return(LoadedChunks.TryGetValue(chunkInWorld, out Chunk chunk) ? chunk.GetBlockData(blockInChunk) : null);
}
public Chunk GetChunk(Vector2Int chunkPosition)
{
Chunk result;
LoadedChunks.TryGetValue(chunkPosition, out result);
return(result);
}
public override LightLevel GetBlockLightLevel(int x, int y, int z)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
return(LoadedChunks.TryGetValue(chunkInWorld, out Chunk chunk)
? chunk.GetLightLevel(blockInChunk)
: LightLevel.Zero);
}
public override Block GetBlock(int x, int y, int z)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
return(LoadedChunks.TryGetValue(chunkInWorld, out Chunk chunk)
? GameRegistry.GetBlock(chunk.GetBlock(blockInChunk))
: BlockRegistry.BlockAir);
}
public Tile this[Vector2Int worldPosition]
{
get
{
Vector2Int chunkPosition = Chunk.CalculateResidingChunk(worldPosition);
Chunk chunk;
if (LoadedChunks.TryGetValue(chunkPosition, out chunk))
{
return(chunk.GetTile(Tile.TilePositionInRelationToChunk(worldPosition)));
}
return(null);
}
}
public List <Chunk> GetChunks(List <Vector2Int> chunkPositions)
{
List <Chunk> result = new List <Chunk>();
for (int i = chunkPositions.Count - 1; i >= 0; --i)
{
Chunk value;
if (LoadedChunks.TryGetValue(chunkPositions[i], out value))
{
result.Add(value);
chunkPositions.RemoveAt(i);
}
}
return(result);
}
/// <summary>
/// Checks the <see cref="LoadedChunks"/> dictionary for the relevent chunk position
/// Returns null if not present
/// </summary>
/// <param name="chunk">The coordinate of the chunk we wish to find</param>
/// <returns></returns>
public LoadedChunk2 GetLoadedChunk(Vec2i chunk)
{
LoadedChunk2 lChunk;
if (InSubworld)
{
if (SubworldChunks.TryGetValue(chunk, out lChunk))
{
return(lChunk);
}
}
if (LoadedChunks.TryGetValue(chunk, out lChunk))
{
return(lChunk);
}
return(null);
}
public override void SetBlockData(int x, int y, int z, BlockData data)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
if (LoadedChunks.TryGetValue(chunkInWorld, out var chunk))
{
chunk.SetBlockData(blockInChunk, data);
}
var pos = new Vector3i(x, y, z);
lock (_queuedLightUpdates)
{
if (!_queuedLightUpdates.Contains(pos))
{
_queuedLightUpdates.Enqueue(pos);
}
}
if (blockInChunk.X == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(-1, 0, 0), false);
}
else if (blockInChunk.X == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(+1, 0, 0), false);
}
if (blockInChunk.Y == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, -1, 0), false);
}
else if (blockInChunk.Y == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, +1, 0), false);
}
if (blockInChunk.Z == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, -1), false);
}
else if (blockInChunk.Z == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, +1), false);
}
QueueChunkUpdate(chunk, false);
}
public override void SetBlockLightLevel(int x, int y, int z, LightLevel lightLevel)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
if (!LoadedChunks.TryGetValue(chunkInWorld, out var chunk))
{
return;
}
chunk.SetLightLevel(blockInChunk, lightLevel);
if (blockInChunk.X == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(-1, 0, 0), false);
}
else if (blockInChunk.X == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(+1, 0, 0), false);
}
if (blockInChunk.Y == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, -1, 0), false);
}
else if (blockInChunk.Y == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, +1, 0), false);
}
if (blockInChunk.Z == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, -1), false);
}
else if (blockInChunk.Z == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, +1), false);
}
QueueChunkUpdate(chunk, false);
}
public override void SetBlock(int x, int y, int z, Block block, bool update, bool lowPriority)
{
var chunkInWorld = ChunkInWorld(x, y, z);
var blockInChunk = BlockInChunk(x, y, z);
if (LoadedChunks.TryGetValue(chunkInWorld, out var chunk))
{
if (chunk.GetBlock(blockInChunk) == block.Id)
{
return;
}
chunk.SetBlock(blockInChunk, block.Id);
}
else
{
chunk = new Chunk(this, chunkInWorld);
chunk.SetBlock(blockInChunk, block.Id);
lock (LoadedChunks)
{
LoadedChunks.Add(chunkInWorld, chunk);
}
}
if (!update)
{
return;
}
var pos = new Vector3i(x, y, z);
lock (_queuedLightUpdates)
{
if (!_queuedLightUpdates.Contains(pos))
{
_queuedLightUpdates.Enqueue(pos);
}
}
if (blockInChunk.X == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(-1, 0, 0), lowPriority);
}
else if (blockInChunk.X == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(+1, 0, 0), lowPriority);
}
if (blockInChunk.Y == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, -1, 0), lowPriority);
}
else if (blockInChunk.Y == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, +1, 0), lowPriority);
}
if (blockInChunk.Z == 0)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, -1), lowPriority);
}
else if (blockInChunk.Z == Chunk.Size - 1)
{
QueueChunkUpdate(chunkInWorld + new Vector3i(0, 0, +1), lowPriority);
}
QueueChunkUpdate(chunk, lowPriority);
}
private void LoadThread()
{
var chunksWaitingForNeighbours = new HashSet <Vector3i>();
while (!_unloaded)
{
//Remove chunks waiting that have been unloaded
var chunksToRemove =
chunksWaitingForNeighbours.Where(
chunkPos =>
!_populatedChunks.Contains(chunkPos) && !_chunksReadyToAdd.ContainsKey(chunkPos) ||
_populatedChunks.Contains(chunkPos) && !LoadedChunks.ContainsKey(chunkPos)).ToList();
chunksToRemove.ForEach(chunkPos => chunksWaitingForNeighbours.Remove(chunkPos));
//Update chunks waiting for neighbours
var chunksToUpdate =
chunksWaitingForNeighbours.Where(
chunkPos =>
BlockFaceHelper.Faces.All(
face => _populatedChunks.Contains(chunkPos + face.GetNormali())))
.ToList();
foreach (var chunkPos in chunksToUpdate)
{
QueueChunkUpdate(chunkPos, true);
chunksWaitingForNeighbours.Remove(chunkPos);
}
var playerChunksLists = new List <List <Vector3i> >();
foreach (var playerEntity in PlayerEntities)
{
var playerChunksToLoad = new List <Vector3i>();
var playerChunk = ChunkInWorld(playerEntity.Position.ToVector3i());
//Load 7x7x7 around player
for (var x = -3; x <= 3; x++)
{
for (var y = -3; y <= 3; y++)
{
for (var z = -3; z <= 3; z++)
{
var chunkPos = playerChunk + new Vector3i(x, y, z);
if (playerChunksToLoad.Contains(chunkPos))
{
continue;
}
if (_populatedChunks.Contains(chunkPos) || _chunksReadyToAdd.ContainsKey(chunkPos))
{
//Reset chunk time so it will not be unloaded
if (LoadedChunks.TryGetValue(chunkPos, out var chunk))
{
chunk.Time = DateTime.Now;
}
continue;
}
playerChunksToLoad.Add(chunkPos);
}
}
}
//Load 61x3x61 terrain if overworld
//heightmap(x*Chunk.Size + Chunk.Size/2, z*Chunk.Size + Chunk.Size/2)
var height = 0 + Chunk.Size / 2;
var heightMapChunkY = ChunkInWorld(0, height, 0).Y;
for (var x = -30; x <= 30; x++)
{
for (var y = -1; y <= 1; y++)
{
for (var z = -30; z <= 30; z++)
{
if (x <= 3 && x >= -3 && y <= 3 && y >= -3 && z <= 3 && z >= -3)
{
continue;
}
var chunkPos = new Vector3i(playerChunk.X + x, heightMapChunkY + y, playerChunk.Z + z);
if (_populatedChunks.Contains(chunkPos) || _chunksReadyToAdd.ContainsKey(chunkPos))
{
//Reset chunk time so it will not be unloaded
if (LoadedChunks.TryGetValue(chunkPos, out var chunk))
{
chunk.Time = DateTime.Now;
}
continue;
}
playerChunksToLoad.Add(chunkPos);
}
}
}
playerChunksToLoad.Sort(
(v0, v1) =>
(int)(v0.ToVector3() - playerChunk.ToVector3()).LengthSquared -
(int)(v1.ToVector3() - playerChunk.ToVector3()).LengthSquared);
//Cap player chunk load tasks to 16
if (playerChunksToLoad.Count > 16)
{
playerChunksToLoad.RemoveRange(16, playerChunksToLoad.Count - 16);
}
playerChunksLists.Add(playerChunksToLoad);
}
var merged = ExtensionHelper.ZipMerge(playerChunksLists.ToArray());
foreach (var chunkPos in merged)
{
var cachedChunk = LoadChunk(chunkPos);
if (cachedChunk.IsEmpty)
{
//Empty chunks dont need to be added to LoadedChunks
lock (_populatedChunks)
{
_populatedChunks.Add(chunkPos);
}
}
else
{
lock (_chunksReadyToAdd)
{
_chunksReadyToAdd.Add(chunkPos, cachedChunk);
}
chunksWaitingForNeighbours.Add(chunkPos);
}
}
Thread.Sleep(10);
}
}
public override void Update()
{
if (_unloaded)
{
return;
}
//Update entities
foreach (var playerEntity in PlayerEntities)
{
playerEntity.Update();
}
foreach (var entity in Entities)
{
entity.Update();
}
lock (_chunksReadyToRemove)
{
while (_chunksReadyToRemove.Count > 0)
{
var chunkPos = _chunksReadyToRemove.First();
if (LoadedChunks.TryGetValue(chunkPos, out var chunk))
{
lock (LoadedChunks)
{
LoadedChunks.Remove(chunkPos);
}
_populatedChunks.Remove(chunkPos);
chunk.Dispose();
}
_chunksReadyToRemove.Remove(chunkPos);
}
}
lock (_chunksReadyToAdd)
{
while (_chunksReadyToAdd.Count > 0)
{
var entry = _chunksReadyToAdd.First();
lock (LoadedChunks)
{
if (!LoadedChunks.ContainsKey(entry.Key))
{
LoadedChunks.Add(entry.Key, new Chunk(entry.Value));
}
else
{
Logger.Error("Chunk has already been loaded! " + entry.Key);
}
}
_populatedChunks.Add(entry.Key);
_chunksReadyToAdd.Remove(entry.Key);
}
}
while (_chunksReadyToUploadHp.Count > 0)
{
lock (_chunksReadyToUploadHp)
{
_chunksReadyToUploadHp.Dequeue().Upload();
}
}
while (_chunksReadyToUploadLp.Count > 0)
{
lock (_chunksReadyToUploadLp)
{
_chunksReadyToUploadLp.Dequeue().Upload();
}
}
}
