Changed

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/LSL

changed

Description

Event: changed( integer change ){ ; }

30	Event ID
	Delay

Various changes to the object/prim trigger this event.

• integer

change

–

bit field of CHANGE_* flags

Multiple changes can be represented in a single event, so use bitwise arithmetic.

Flag		Description	Scope
CHANGED_INVENTORY	0x001	Prim inventory has changed[1].	prim
CHANGED_COLOR	0x002	Prim color or alpha parameters have changed.	prim
CHANGED_SHAPE	0x004	Prim shape has changed.	prim
CHANGED_SCALE	0x008	Prim scale has changed.	prim
CHANGED_TEXTURE	0x010	Prim texture parameters have changed.	prim
CHANGED_LINK	0x020	The number of prims making up the object or avatars seated on the object have changed.	object
CHANGED_ALLOWED_DROP	0x040	A user other than the owner (or the owner if the object is no-mod) has added inventory to the prim.	prim
CHANGED_OWNER	0x080	The object has changed owners.	object
CHANGED_REGION	0x100	The object has changed region.	object
CHANGED_TELEPORT	0x200	The avatar to whom this object is attached has teleported.	object
CHANGED_REGION_START	0x400	The region this object is in has just come online.	region
CHANGED_MEDIA	0x800	Prim Media has changed.	prim
CHANGED_RENDER_MATERIAL	0x1000	Render Material has changed. Caveat: This parameter will be supported in the upcoming GLTF Materials project. Currently it will only work in supported testing areas with a supported test viewer.	prim

Caveats

Examples

<lsl>default {

   changed(integer change)
   {
       //note that it's & and not &&... it's bitwise!
       if (change & CHANGED_INVENTORY)         
       {
           llOwnerSay("The inventory has changed.");
       }
       if (change & CHANGED_COLOR) 
       {
           llOwnerSay("The color or alpha changed.");
       }
       if (change & CHANGED_SHAPE) 
       {
           llOwnerSay("The prims shape has changed.");
       }
       if (change & CHANGED_SCALE) 
       {
           llOwnerSay("The prims size has changed.");
       }
       if (change & CHANGED_TEXTURE) 
       {
           llOwnerSay("The prims texture or texture attributes have changed.");
       }
       if (change & CHANGED_LINK) 
       {
           llOwnerSay("The number of links have changed.");
       }
       if (change & CHANGED_ALLOWED_DROP) 
       {
           llOwnerSay("The inventory has changed as a result of a user without mod permissions "+
                      "dropping an item on the prim and it being allowed by the script.");
       }
       if (change & CHANGED_OWNER) 
       {
           llOwnerSay("The owner of the object has changed.");
       }
       if (change & CHANGED_REGION) 
       {
           llOwnerSay("The region the object is in has changed.");
       }
       if (change & CHANGED_TELEPORT) 
       {
           llOwnerSay("The object has been teleported while attached.");
       }
       if (change & CHANGED_REGION_START) 
       {
           llOwnerSay("The regions has just restarted.");
       }
   }

}</lsl>For the same action to be called for multiple changes we can use the following syntax.<lsl>default {

   changed(integer change)
   {
       if(change & (CHANGED_OWNER

Notes

See llGetOwner for a full discussion on " (change & CHANGED_OWNER) "

Deep Notes

Footnotes

1. ^ CHANGED_INVENTORY won't be triggered if the inventory change was caused by a script function or a user taking advantage of llAllowInventoryDrop

Signature
event void changed( integer change );