Doom
Level: Smitemaster

Rank Points: 3226
Registered: 07-05-2004
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Steps to reproduce:

- Make a room with one or more "Light" or "Wall light" objects.
- Make a script that includes "Activate item at" commands that activate/deactivate the lights in the room.
- Record a demo in the room that triggers this script.
- Watch the demo using Left and Right arrows. If you rewind after triggering the light change, the lights don't reset to their original state.

Only affects viewing demos. Undoing during gameplay reverts light changes as expected.

Observed in 5.1.0.6501 (standalone) and 5.1.0.6530 (Steam) on Windows.

If you're wondering what the significance is, I noticed this while watching demos for a room that activates red lights if you reach a fail state. Looked pretty weird when those lights stayed on after going back to the start of the demo.

skell
Level: Legendary Smitemaster

Rank Points: 3734
Registered: 12-28-2004
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File: BUG REPORT LIghts do not reverse in demos.hold (874 bytes)
Downloaded 40 times.
License: Public Domain

PR

Test hold attached.

This was caused by the fact that static lighting is only recalculated when an event is triggered during turn processing, but the event happens on the turn you step on the plate/hit the orb, not turn before.

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[Last edited by skell at 10-19-2020 10:18 AM]

skell
Level: Legendary Smitemaster

Rank Points: 3734
Registered: 12-28-2004
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File: BRLdnrid See hold title The Entrance.demo (682 bytes)
Downloaded 37 times.
License: Public Domain

Test demo attached (though it's trivial to make one anyway)

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kieranmillar
Level: Smitemaster
Rank Points: 2670
Registered: 07-11-2014
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Can confirm in 5.1.1.alpha.2020-10-29 that the example hold behaves correctly when stepping backwards and forwards through the light changes..