[JIRA] Issue Comment Edited: (VWR-16226) llTakeControls() reacts differently to arrow keys than it does the WASD keys, some arrow key combinations impossible to input to script.

Adeon Writer (JIRA) no-reply at lindenlab.cascadeo.com
Sun Nov 29 17:45:01 PST 2009


    [ http://jira.secondlife.com/browse/VWR-16226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=149330#action_149330 ] 

Adeon Writer edited comment on VWR-16226 at 11/29/09 5:44 PM:
--------------------------------------------------------------

it's entirely possible to do using WASD though, there really shouldn't be a difference. I can continue to use WASD for controlling complex scripted systems, but arrow keys are preferable since they work with chat open... very odd bug. And yes, the script is specifically asking for the down level and edge for all three keys at once. It's not that hard to do on WASD, (at least for a gamer ;) ) but the arrow keys don't allow it. They can all be turned on but NOT having all their edges line up. It won't allow it simultaneously.


      was (Author: Adeon Writer):
    it's entirely possible to do using WASD though, there really shouldn't be a difference. I can continue to use WASD for controlling complex scripted systems, but arrow keys are preferable since they work with chat open...
  
> llTakeControls() reacts differently to arrow keys than it does the WASD keys, some arrow key combinations impossible to input to script.
> ----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: VWR-16226
>                 URL: http://jira.secondlife.com/browse/VWR-16226
>             Project: 1. Second Life Viewer - VWR
>          Issue Type: Bug
>          Components: Avatar/Character, Scripting, User Interface
>    Affects Versions: 1.23
>         Environment: Windows Vista, USB Keyboard
>            Reporter: Adeon Writer
>
> There is a difference in how keypresses on the WASD keys are handled than that of the arrow keys, and this negatively impacts scripts using llTakeControls(). See code below:
> {code}
> integer controls;
> default
> {
>     state_entry()
>     {
>         controls = CONTROL_FWD | CONTROL_ROT_LEFT | CONTROL_ROT_RIGHT;
>         llRequestPermissions(llGetOwner(), PERMISSION_TAKE_CONTROLS);
>     }
>     run_time_permissions(integer perm)
>     {
>         if(perm & PERMISSION_TAKE_CONTROLS)
>         {
>             llTakeControls(controls, TRUE, TRUE);
>         }
>     }
>     
>     control(key id, integer level, integer edge)
>     {
>         if((level & edge & controls) == controls)
>         {
>             llOwnerSay("You pressed forward, left, and right at the same time.");
>         }
>     }
> }{code}
> The following code, after accepting permissions, would be expected to generate the object saying a message whenever the up, left, and right arrow keys are pressed down at the same time (or, alternatively, the W, A, and D keys)
> Additionally it would be expected to react the same to WASD input as it would arrow key input.
> However you will find that you can generate the message using the WASD keys (provided you remember to minimize the chat bar) however it is not generated by arrow key input.
> Expected behavior would be that the arrow keys function identically to the WASD keys
> This button combination is used for various vehicle and combat systems, and because of that, users are forced to use the WASD keys since scripts do not seem to be able to read this combination from the arrow keys. This could be a problem in the viewer or the server, somewhere along the line, the arrowkey presses aren't being handled properly.

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