copy.setSourceMask(new ExistingBlockMask(this));
}
// Then we need to copy the buffer to the world
BlockReplace replace = new BlockReplace(this, buffer);
RegionVisitor visitor = new RegionVisitor(buffer.asRegion(), replace);
OperationQueue operation = new OperationQueue(copy, visitor);
Operations.completeLegacy(operation);
return copy.getAffected();