internal void SetAllNeighbors()
{
MakeNeighbors(this, ChunkCache.GetGeneratedChunk(LeftX, Z));
MakeNeighbors(this, ChunkCache.GetGeneratedChunk(RightX, Z));
MakeNeighbors(this, ChunkCache.GetGeneratedChunk(X, TopZ));
MakeNeighbors(this, ChunkCache.GetGeneratedChunk(X, BottomZ));
}
internal static IList <string> GetChunkKeysInRadius(string chunkKeyAtOrigin, int radius)
{
var chunkAtOrigin = ChunkCache.GetGeneratedChunk(chunkKeyAtOrigin);
var result = new List <string>();
for (var zCircle = -radius; zCircle <= radius; zCircle++)
{
for (var xCircle = -radius; xCircle <= radius; xCircle++)
{
if (xCircle * xCircle + zCircle * zCircle < radius * radius)
{
result.Add(WorldDataChunk.GetKey(chunkAtOrigin.X + xCircle, chunkAtOrigin.Z + zCircle));
}
}
}
return(result);
}
public static void Update(Vector3 worldPosition, int radius)
{
var chunkAtOrigin = ChunkCache.GetGeneratedChunk(worldPosition);
int chunkAtOriginX;
int chunkAtOriginZ;
if (chunkAtOrigin == null)
{
chunkAtOriginX = 0;
chunkAtOriginZ = 0;
}
else
{
chunkAtOriginX = chunkAtOrigin.X;
chunkAtOriginZ = chunkAtOrigin.Z;
}
var rSquared = radius * radius;
for (var deltaZ = -radius; deltaZ <= radius; ++deltaZ)
{
var zSquared = rSquared - (deltaZ * deltaZ);
for (var deltaX = -radius; deltaX <= radius; ++deltaX)
{
var chunkX = chunkAtOriginX + deltaX;
var chunkZ = chunkAtOriginZ + deltaZ;
var existingChunk = ChunkCache.GetGeneratedChunk(chunkX, chunkZ);
var isInsideRadius = deltaX * deltaX < zSquared;
if (isInsideRadius)
{
if (existingChunk == null)
{
if (ChunkCanBeAdded(chunkX, chunkZ))
{
AddNewChunk(new WorldDataChunk(chunkX, chunkZ));
}
}
else
{
// already there... nothing to do
}
}
else
{
if (existingChunk == null)
{
// not there anyways... nothing to do
}
else
{
if (ChunkCanBeRemoved(chunkX, chunkZ))
{
RemoveChunk(chunkX, chunkZ);
}
}
}
}
}
}
internal WorldDataChunk GetGeneratedNeighbor(int deltaX, int deltaZ)
{
return(ChunkCache.GetGeneratedChunk(X + deltaX, Z + deltaZ));
}
