//protected int NumberOfSavedChunksAt(Vector3Int pos, int sizePow)
//{
// Vector3Int coord = PositionToStorageGroupCoord(pos);
// StorageTreeRoot r;
// if (storageGroups.TryGetValue(coord, out r))
// {
// IStorageGroupOrganizer<StoredChunkEdits> node;
// if (r.TryGetNodeWithSizePower(new int[] { pos.x, pos.y, pos.z }, sizePow, out node))
// {
// return node.ChildrenWithMipMapReady;
// }
// }
// return 0;
//}
public void DecreaseChunkLod(CompressedMarchingCubeChunk chunk, int toLodPower)
{
if (toLodPower == DESTROY_CHUNK_LOD)
{
chunk.DestroyChunk();
}
else if (toLodPower == DEACTIVATE_CHUNK_LOD)
{
chunk.ResetChunk();
}
else
{
chunk.FreeSimpleChunkCollider();
toLodPower = GetFeasibleReducedLodForChunk(chunk, toLodPower);
int toLod = RoundToPowerOf2(toLodPower);
if (toLod <= chunk.LOD || chunk.ChunkSize % toLod != 0)
{
Debug.LogWarning($"invalid new chunk lod {toLodPower} from lod {chunk.LODPower}");
}
if (chunk.Leaf.AllSiblingsAreLeafsWithSameTargetLod())
{
MergeAndReduceChunkBranch(chunk, toLodPower);
}
else
{
///Decrease single chunk lod
ExchangeSingleChunkAsyncParallel(chunk, chunk.CenterPos, toLodPower, chunk.ChunkSizePower, true);
}
}
}
