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set array elem

Branch: 'Binary' build from the Unreal Launcher

Build version: 4.8.1-2591939+++depot+UE4-Releases+4.8

Bug: Blueprints - "Set array elem" node. If array elem is set to 0 (read the number zero), the array position will be deleted. I am working with strings, and Id like to have a 0 (read zero, the number) as string.

Screenshots/Link to video: a "make screenshot of comment box feature would be nice" but here we go: http://i.imgur.com/vAjFSQ5.png?1

Repro Steps: look picture. copy, set values of array as shown on the right. start game

issue occurring 100% of the time. but if i create a string variable and put the default value 0 (read zero) and use that as input for the set array elem, it works just fine.

Product Version: UE 4.8
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asked Jul 15 '15 at 10:31 PM in Bug Reports

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avatar image Ben Halliday STAFF Jul 16 '15 at 03:23 PM

Hi t0b4cc0,

I've assigned someone to look into this for you, and they'll post here if they require any additional information from you. Thanks for the report!

avatar image Adam Davis STAFF Jul 16 '15 at 04:47 PM

Hi t0b4cc0,

Does this occur in a clean, blank project with no additional content? How are you sizing your array? These are the steps I tried on my end and it was able to read the change without any problems:

  1. Create new blueprint

  2. Add a string array variable

  3. Compile, create 3 elements in array

  4. Set all 3 elements to 1

  5. Off of event begin play, create a "set array elem" node, set array to string array, index to 1, item to 0

  6. Create a print string node

  7. Get the string array, do a "get array" node with an index of 1

  8. Plug the return value into the "in string" node

  9. Compile

  10. Press PIE

alt text

printstring.png (176.9 kB)
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Hi t0b4cc0,

We have not heard from you in several days. I am marking this thread as answered for tracking purposes. If you are still experiencing this error, please comment with the requested information.

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answered Jul 21 '15 at 02:01 PM

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