if (target == null) {
player.printError("No block in sight!");
return true;
}
BlockBag bag = session.getBlockBag(player);
EditSession editSession = session.createEditSession(player);
Request.request().setEditSession(editSession);
if (mask != null) {
Mask existingMask = editSession.getMask();
if (existingMask == null) {
editSession.setMask(mask);
} else if (existingMask instanceof MaskIntersection) {
((MaskIntersection) existingMask).add(mask);
} else {
MaskIntersection newMask = new MaskIntersection(existingMask);
newMask.add(mask);
editSession.setMask(newMask);
}
}
try {
brush.build(editSession, target, material, size);
} catch (MaxChangedBlocksException e) {
player.printError("Max blocks change limit reached.");
} finally {
if (bag != null) {
bag.flushChanges();
}
session.remember(editSession);
}
return true;