SimpleRLVLocker.lsl

//////////////////////////////////////////////////////////////////////
// Simple owner-only RLV attachment locker.
// By Antony Fairport
//
// Simple script to lock an attachment on an avatar, using RLV. This
// is owner-only touch to lock/unlock. The idea being that it's
// helpful to stop something being knocked off during outfit changes.

//////////////////////////////////////////////////////////////////////
// Allow the object we're in to be removed.
RLVUnlock()
{
    llOwnerSay( "@detach=y" );
}

//////////////////////////////////////////////////////////////////////
// Don't allow the object we're in to be removed.
RLVLock()
{
    llOwnerSay( "@detach=n" );
}

//////////////////////////////////////////////////////////////////////
// Default state.
default
{
    ///////////////////////////////////////////////////////////////////
    // State entry. We'll just run to the unlocked state.
    state_entry()
    {
        state Unlocked;
    }
}

//////////////////////////////////////////////////////////////////////
// Unlocked state.
state Unlocked
{
    //////////////////////////////////////////////////////////////////
    // State entry.
    state_entry()
    {
        // Ensure we can be removed.
        RLVUnlock();
        
        // Give a clue as to our state.
        llOwnerSay( "Unlocked" );
    }
    
    //////////////////////////////////////////////////////////////////
    // Handle a touch.
    touch_end( integer _ )
    {
        // Is it the owner touching us?
        if ( llDetectedKey( 0 ) == llGetOwner() )
        {
            // ...sure is. Let's lock this thing!
            state Locked;
        }
    }
}

//////////////////////////////////////////////////////////////////////
// Locked state.
state Locked
{
    //////////////////////////////////////////////////////////////////
    // State entry.
    state_entry()
    {
        // Ensure we can't be removed.
        RLVLock();
        
        // Give a clue as to our state.
        llOwnerSay( "Locked" );
    }

    //////////////////////////////////////////////////////////////////
    // Ensure we're locked when rezzed.
    on_rez( integer _ )
    {
        // If we're attached...
        if ( llGetAttached() )
        {
            // ...being rezzed while attached normally means that
            // we're logging in. So reaffirm the RLV lock.
            RLVLock();
        }
    }
    
    //////////////////////////////////////////////////////////////////
    // Handle a touch.
    touch_end( integer _ )
    {
        // Is it the owner touching us?
        if ( llDetectedKey( 0 ) == llGetOwner() )
        {
            // ...sure is. Let's unlock this thing!
            state Unlocked;
        }
    }
}