/// <summary>Instantiates a new chunk at a given position. If the chunk already exists, it returns it</summary>
/// <param name="pos">Position to create this chunk on in the world coordinates.</param>
/// <param name="chunk">Chunk at a given world position</param>
/// <returns>True if a new chunk was created. False otherwise</returns>
public bool CreateOrGetChunk(Vector3Int pos, out Chunk chunk, bool isDedicated)
{
// Let's keep it withing allowed world bounds
Vector3Int chunkPos = Chunk.ContainingCoordinates(pos);
if (
(world.config.minY != world.config.maxY) &&
(chunkPos.y > world.config.maxY || chunkPos.y < world.config.minY)
)
{
chunk = null;
return(false);
}
// Don't recreate the chunk if it already exists
chunk = Get(chunkPos);
if (chunk != null)
{
return(false);
}
// Create a new chunk
chunk = Chunk.CreateChunk(world, chunkPos, isDedicated);
chunks.Add(chunkPos, chunk);
return(true);
}
/// <summary> Returns the chunk at the given position </summary>
/// <param name="pos">Position of the chunk in the world coordinates</param>
/// <returns>The chunk that contains the given block position or null if there is none</returns>
public Chunk Get(Vector3Int pos)
{
pos = Chunk.ContainingCoordinates(pos);
Chunk containerChunk;
chunks.TryGetValue(pos, out containerChunk);
return(containerChunk);
}
/// <summary> Returns the chunk at the given position </summary>
/// <param name="pos">Position of the chunk in the world coordinates</param>
/// <returns>The chunk that contains the given block position or null if there is none</returns>
public Chunk Get(Vector3Int pos)
{
pos = Chunk.ContainingCoordinates(pos);
// If we previously searched for this chunk there is no need to look it up again
/*if (pos == lastChunkPos && lastChunk != null)
* return lastChunk;
*
* lastChunkPos = pos;*/
Chunk containerChunk;
chunks.TryGetValue(pos, out containerChunk);
return(containerChunk);
}
/// <summary>
/// Sets blocks to a given value in a given range
/// </summary>
/// <param name="posFrom">Starting position in local chunk coordinates</param>
/// <param name="posTo">Ending position in local chunk coordinates</param>
/// <param name="blockData">A block to be placed on a given position</param>
public void SetRange(Vector3Int posFrom, Vector3Int posTo, BlockData blockData)
{
Vector3Int chunkPosFrom = Chunk.ContainingCoordinates(posFrom);
Vector3Int chunkPosTo = Chunk.ContainingCoordinates(posTo);
// Update all chunks in range
int minY = (posFrom.y + chunkPosFrom.y) & Env.ChunkMask;
for (int cy = chunkPosFrom.y; cy <= chunkPosTo.y; cy += Env.ChunkSize, minY = 0)
{
int maxY = ((minY + Env.ChunkSize) >> Env.ChunkPow) << Env.ChunkPow;
maxY = Math.Min(maxY + cy - 1, posTo.y) & Env.ChunkMask;
int minZ = (posFrom.z + chunkPosFrom.z) & Env.ChunkMask;
for (int cz = chunkPosFrom.z; cz <= chunkPosTo.z; cz += Env.ChunkSize, minZ = 0)
{
int maxZ = ((minZ + Env.ChunkSize) >> Env.ChunkPow) << Env.ChunkPow;
maxZ = Math.Min(maxZ + cz - 1, posTo.z) & Env.ChunkMask;
int minX = (posFrom.x + chunkPosFrom.x) & Env.ChunkMask;
for (int cx = chunkPosFrom.x; cx <= chunkPosTo.x; cx += Env.ChunkSize, minX = 0)
{
Chunk chunk = world.chunks.Get(new Vector3Int(cx, cy, cz));
if (chunk == null)
{
continue;
}
int maxX = ((minX + Env.ChunkSize) >> Env.ChunkPow) << Env.ChunkPow;
maxX = Math.Min(maxX + cx - 1, posTo.x) & Env.ChunkMask;
Vector3Int from = new Vector3Int(minX, minY, minZ);
Vector3Int to = new Vector3Int(maxX, maxY, maxZ);
chunk.blocks.SetRange(from, to, blockData);
}
}
}
}
/// <summary>Instantiates a new chunk at a given position. If the chunk already exists, it returns it</summary>
/// <param name="pos">Position to create this chunk on in the world coordinates.</param>
/// <param name="chunk">Chunk at a given world position</param>
/// <param name="isDedicated"></param>
/// <returns>True if a new chunk was created. False otherwise</returns>
public bool CreateOrGetChunk(Vector3Int pos, out Chunk chunk, bool isDedicated)
{
Assert.IsTrue(Helpers.IsMainThread);
pos = Chunk.ContainingCoordinates(pos);
// Let's keep it withing allowed world bounds
if (
(world.config.minY != world.config.maxY) &&
(pos.y > world.config.maxY || pos.y < world.config.minY)
)
{
chunk = null;
return(false);
}
/*// If we previously searched for this chunk there is no need to look it up again
* if (pos==lastChunkPos && lastChunk!=null)
* {
* chunk = lastChunk;
* return false;
* }
*
* lastChunkPos = pos;*/
// Don't recreate the chunk if it already exists
chunk = Get(pos);
if (chunk != null)
{
return(false);
}
// Create a new chunk
chunk = Chunk.CreateChunk(world, pos, isDedicated);
chunks.Add(pos, chunk);
return(true);
}
public void Set(Vector3Int pos, Chunk chunk)
{
pos = Chunk.ContainingCoordinates(pos);
chunks[pos] = chunk;
}
