public void AggregatePerms()
{
lock (m_PermissionsLock)
{
// aux
const uint allmask = (uint)PermissionMask.AllEffective;
const uint movemodmask = (uint)(PermissionMask.Move | PermissionMask.Modify);
const uint copytransfermast = (uint)(PermissionMask.Copy | PermissionMask.Transfer);
uint basePerms = (RootPart.BaseMask & allmask) | (uint)PermissionMask.Move;
bool noBaseTransfer = (basePerms & (uint)PermissionMask.Transfer) == 0;
uint rootOwnerPerms = RootPart.OwnerMask;
uint owner = rootOwnerPerms;
uint rootGroupPerms = RootPart.GroupMask;
uint group = rootGroupPerms;
uint rootEveryonePerms = RootPart.EveryoneMask;
uint everyone = rootEveryonePerms;
bool needUpdate = false;
// date is time of writing april 30th 2017
bool newobj = (RootPart.CreationDate == 0 || RootPart.CreationDate > 1493574994);
SceneObjectPart[] parts = m_parts.GetArray();
for (int i = 0; i < parts.Length; i++)
{
SceneObjectPart part = parts[i];
if (m_DeepEffectivePermsInvalid)
{
part.AggregateInnerPerms();
}
owner &= part.AggregatedInnerOwnerPerms;
group &= part.AggregatedInnerGroupPerms;
if (newobj)
{
group &= part.AggregatedInnerGroupPerms;
}
if (newobj)
{
everyone &= part.AggregatedInnerEveryonePerms;
}
}
// recover modify and move
rootOwnerPerms &= movemodmask;
owner |= rootOwnerPerms;
if ((owner & copytransfermast) == 0)
{
owner |= (uint)PermissionMask.Transfer;
}
owner &= basePerms;
if (owner != m_EffectiveOwnerPerms)
{
needUpdate = true;
m_EffectiveOwnerPerms = owner;
}
uint ownertransfermask = owner & (uint)PermissionMask.Transfer;
// recover modify and move
rootGroupPerms &= movemodmask;
group |= rootGroupPerms;
if (noBaseTransfer)
{
group &= ~(uint)PermissionMask.Copy;
}
else
{
group |= ownertransfermask;
}
uint groupOrEveryone = group;
uint tmpPerms = group & owner;
if (tmpPerms != m_EffectiveGroupPerms)
{
needUpdate = true;
m_EffectiveGroupPerms = tmpPerms;
}
// recover move
rootEveryonePerms &= (uint)PermissionMask.Move;
everyone |= rootEveryonePerms;
everyone &= ~(uint)PermissionMask.Modify;
if (noBaseTransfer)
{
everyone &= ~(uint)PermissionMask.Copy;
}
else
{
everyone |= ownertransfermask;
}
groupOrEveryone |= everyone;
tmpPerms = everyone & owner;
if (tmpPerms != m_EffectiveEveryOnePerms)
{
needUpdate = true;
m_EffectiveEveryOnePerms = tmpPerms;
}
tmpPerms = groupOrEveryone & owner;
if (tmpPerms != m_EffectiveGroupOrEveryOnePerms)
{
needUpdate = true;
m_EffectiveGroupOrEveryOnePerms = tmpPerms;
}
m_DeepEffectivePermsInvalid = false;
m_EffectivePermsInvalid = false;
if (needUpdate)
{
RootPart.ScheduleFullUpdate();
}
}
}
// aggregates perms scanning parts and their contents
// AggregatePerms does same using cached parts content perms
public void AggregateDeepPerms()
{
lock (PermissionsLock)
{
// aux
const uint allmask = (uint)PermissionMask.AllEffective;
const uint movemodmask = (uint)(PermissionMask.Move | PermissionMask.Modify);
const uint copytransfermast = (uint)(PermissionMask.Copy | PermissionMask.Transfer);
uint basePerms = (RootPart.BaseMask & allmask) | (uint)PermissionMask.Move;
bool noBaseTransfer = (basePerms & (uint)PermissionMask.Transfer) == 0;
uint rootOwnerPerms = RootPart.OwnerMask;
uint owner = rootOwnerPerms;
uint rootGroupPerms = RootPart.GroupMask;
uint group = rootGroupPerms;
uint rootEveryonePerms = RootPart.EveryoneMask;
uint everyone = rootEveryonePerms;
SceneObjectPart[] parts = m_parts.GetArray();
for (int i = 0; i < parts.Length; i++)
{
SceneObjectPart part = parts[i];
part.AggregateInnerPerms();
owner &= part.AggregatedInnerOwnerPerms;
group &= part.AggregatedInnerGroupPerms;
everyone &= part.AggregatedInnerEveryonePerms;
}
// recover modify and move
rootOwnerPerms &= movemodmask;
owner |= rootOwnerPerms;
if ((owner & copytransfermast) == 0)
{
owner |= (uint)PermissionMask.Transfer;
}
owner &= basePerms;
m_EffectiveOwnerPerms = owner;
uint ownertransfermask = owner & (uint)PermissionMask.Transfer;
// recover modify and move
rootGroupPerms &= movemodmask;
group |= rootGroupPerms;
if (noBaseTransfer)
{
group &= ~(uint)PermissionMask.Copy;
}
else
{
group |= ownertransfermask;
}
uint groupOrEveryone = group;
m_EffectiveGroupPerms = group & owner;
// recover move
rootEveryonePerms &= (uint)PermissionMask.Move;
everyone |= rootEveryonePerms;
everyone &= ~(uint)PermissionMask.Modify;
if (noBaseTransfer)
{
everyone &= ~(uint)PermissionMask.Copy;
}
else
{
everyone |= ownertransfermask;
}
groupOrEveryone |= everyone;
m_EffectiveEveryOnePerms = everyone & owner;
m_EffectiveGroupOrEveryOnePerms = groupOrEveryone & owner;
}
}