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MCPE-136928

Blocks appear brighter for a split second when moved by a piston

Summary:
When a block is moved by a piston in a dark area, the block appears brighter for a split second.

Steps to Reproduce:

  1. Place a piston

  2. Place a lever on the piston

  3. Place a block in front of the piston face

  4. Set the time to night

  5. Activate the piston

Observed Results:
The block appears brighter for a split second.

Expected Results:
The block should not appear brighter.

Video:

[media]

Linked issues

MCPE-187914 Moving blocks have no ambient occlusion Resolved MCPE-162758 Pistons and slimes turn into "light blocks" when pushed quickly Resolved MCPE-160776 Blocks glow when push by a Piston or Sticky Piston Resolved MCPE-219406 Vibrant Visuals: Block texture flashes while being pulled/pushed Resolved MCPE-227886 Vibrant Visuals: Blocks that are moved by pistons have z-fighting with themselves while and shortly after being moved Resolved

Attachments

Comments 6

Prior to the fix to MCPE-66250, the light level of a moving block was copied from the light level of the coordinate of the block that it replaced. That was correct, despite the texture being wrong. Now, after the texture fix, it looks like the light level is no longer based on that coordinate, but is instead always maximum (15).

not fixed in 1.19.50.20 

[media]

This issue seems to also strangely affect dyed water in a way as seen below: 

[media]

The movingBlock is being rendered as if it is at block light level 15. This makes it both brighter and yellow-shifted. The yellow-shift is much more apparent in vibrant visuals.

I also have this happening and just thought it was my shader but obviously not and it doesnt happen all the time

[Mod] OcelotOnesie

(Unassigned)

1260826, 1294873

Confirmed

Windows

1.20.20.23 Preview, 1.20.20.22 Preview, 1.19.50.20 Preview, 1.19.40.24 Preview, 1.19.30.21 Preview, ..., 1.20.13 Hotfix, 1.21.60.21 Preview, 1.21.50.25 Preview, 1.21.1 Hotfix, 1.21.111

1.19.50.20 Preview

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