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[Crash] Layered Blend Per Bone crash.

Build info

  • Version: 1945001

  • Install Path: C:/Program Files/Rocket

Specs

  • OS: Windows 7

  • RAM: 64 GB

  • Graphics Card: GTX 760 w/ 4 GB

  • UAC: Off

Repro Steps

  • Download and install the ShootGame example.

  • Create a new animation blueprint for the third person hero skeleton.

  • Set it up like the following:

alt text

  • Hit compile.

The negative value seems to be the key.

Results

Editor crashes, producing the following error :

 C:/Program Files/Rocket/Engine/Binaries/Win64/
 Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\BuildFarm\buildmachine_++depot+UE4-Rocket+Beta6\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 519]
 Array index out of bounds: 1 from an array of size 1

If you saved before compiling, unable to open animation blueprint without causing the same error.

Expected

Warning instead of a crash.

Note

The -1.0 to 1.0 random range was just a way of reliably reproducing this issue.

The setup I was using when I came across this issue used a alpha value of 1 - Get Curve Value.

Clamping the value between 0.0 - 1.0 had no effect.

Perhaps it doesn't like a dynamically set value of zero (0.0) or less?

Product Version: Not Selected
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asked Mar 11 '14 at 02:34 AM in C++ Programming

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ue4-archive ♦♦ STAFF
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Hi Chris,

Thank you for the information and repro steps. I have reproduced and reported this crash.

Cheers

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answered Mar 11 '14 at 02:34 AM

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ue4-archive ♦♦ STAFF
49.8k 3650 1976 9105

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