Difference between revisions of "LlListenRemove"
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{{LSL_Function | {{LSL_Function | ||
|inject-2={{LSL Function/handle|handle|listen}} | |||
|func_id=27|func_sleep=0.0|func_energy=10.0 | |func_id=27|func_sleep=0.0|func_energy=10.0 | ||
|func=llListenRemove|p1_type=integer|p1_name= | |func=llListenRemove | ||
|p1_type=integer|p1_subtype=handle|p1_name=handle | |||
|func_footnote | |func_footnote | ||
|func_desc=Removes listen event callback | |func_desc=Removes listen event callback {{LSLP|handle}} | ||
|return_text | |return_text | ||
|spec | |spec | ||
|caveats=*On [[state]] change or script reset all listens are removed. | |caveats=*On [[state]] change or [[llResetScript|script reset]] all listens are removed automatically. | ||
**A state change can be used as a shortcut to releasing listens. | **A state change can be used as a shortcut to releasing all listens in the script. | ||
*No error is thrown if {{LSLP|handle}} has already been released or is invalid. | |||
|constants | |constants | ||
|examples=< | |examples=<syntaxhighlight lang="lsl2"> | ||
integer | // Listen for one line of chat from the owner, echo it back to them, then stop listening | ||
integer ListenHandle; | |||
default | default | ||
{ | { | ||
state_entry() | state_entry() | ||
{ | { | ||
// Start listening on channel 0, for text from owner only | |||
ListenHandle = llListen(0, "", llGetOwner(), ""); | |||
} | } | ||
listen(integer channel, string name, key id, string message) | listen(integer channel, string name, key id, string message) | ||
{ | { | ||
llOwnerSay(message); | llOwnerSay(message); // Echo the message back to the owner | ||
llListenRemove( | llListenRemove(ListenHandle); // Stop listening | ||
} | } | ||
} | }</syntaxhighlight> | ||
</ | |||
|helpers | |helpers | ||
|also_functions={{LSL DefineRow||[[llListen]]}} | |also_functions={{LSL DefineRow||[[llListen]]}} | ||
| Line 31: | Line 34: | ||
|also_tests | |also_tests | ||
|also_articles | |also_articles | ||
|notes | |notes=*It is good practice to remove listeners when they are no longer required, or set them inactive via [[llListenControl]] | ||
|permission | |permission | ||
|negative_index | |negative_index | ||
|sort=ListenRemove | |sort=ListenRemove | ||
|haiku={{Haiku|Wee break of the day|A good listener removed|out of primitive}} | |||
|cat1=Communications | |cat1=Communications | ||
|cat2=Chat | |cat2=Chat | ||
Latest revision as of 04:39, 23 April 2022
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Summary
Function: llListenRemove( integer handle );| 0.0 | Forced Delay |
| 10.0 | Energy |
Removes listen event callback handle
| • integer | handle | – | handle to control listen event |
Caveats
- On state change or script reset all listens are removed automatically.
- A state change can be used as a shortcut to releasing all listens in the script.
- No error is thrown if handle has already been released or is invalid.
Examples
// Listen for one line of chat from the owner, echo it back to them, then stop listening
integer ListenHandle;
default
{
state_entry()
{
// Start listening on channel 0, for text from owner only
ListenHandle = llListen(0, "", llGetOwner(), "");
}
listen(integer channel, string name, key id, string message)
{
llOwnerSay(message); // Echo the message back to the owner
llListenRemove(ListenHandle); // Stop listening
}
}
Notes
- It is good practice to remove listeners when they are no longer required, or set them inactive via llListenControl
See Also
Deep Notes
Signature |
|---|
function void llListenRemove( integer handle ); |
Haiku |
|---|
|
Wee break of the day
|