Suddenly: black hole in landscape

hajo
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Suddenly: black hole in landscape

by hajo » Tue Dec 27, 2016 23:54

Running a singleplayer-game newly made for minetest 0.4.15.
After a few days, I found this new 'black hole' in the countryside just outside my front door:

Image
Image

It looks like a big shadow, but there is nothing that could cause this.

The only notable mod I'm running there is ltools - that tree at the edge of the hole
is an l-system-tree.
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screenshot_20161226_063445-B.png
Blackhole in landscape, from above
screenshot_20161226_063445-B.png (614.13 KiB) Viewed 9649 times
screenshot_20161226_063425-A.png
Blackhole in landscape
screenshot_20161226_063425-A.png (476.88 KiB) Viewed 9649 times
Some of 'my' wiki-pages: Build-a-home - basic-robot - basic-machines - digtron
 

LRV
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Re: Suddenly: black hole in landscape

by LRV » Wed Dec 28, 2016 06:05

Mine a block at the shadow and the shadow will disappear.(I noticed than once in the dwarves subgame to, but I forgot it till now)
 

hajo
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Re: Suddenly: black hole in landscape

by hajo » Thu Dec 29, 2016 20:13

LRV wrote:Mine a block at the shadow and the shadow will disappear.

I have already tried that, and also cut down that tree, but the shadow remains.
Some of 'my' wiki-pages: Build-a-home - basic-robot - basic-machines - digtron
 

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Linuxdirk
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Re: Suddenly: black hole in landscape

by Linuxdirk » Fri Dec 30, 2016 00:50

Its a map loading issue that happens every now and then. Avw you tried fixing it with the mapfixer mod?

viewtopic.php?f=9&t=10662
 

paramat
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Re: Suddenly: black hole in landscape

by paramat » Mon Jan 02, 2017 16:15

L-system trees will create shadow bugs when they grow if the mapblocks above it are unloaded. There is a fixing PR being considered right now.
 

hajo
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Re: Suddenly: black hole in landscape

by hajo » Tue Jan 03, 2017 09:13

Linuxdirk wrote:Its a map loading issue that happens every now and then.
you tried fixing it with the mapfixer mod? viewtopic.php?f=9&t=10662

That fixed it, thanks !
Some of 'my' wiki-pages: Build-a-home - basic-robot - basic-machines - digtron
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Mon Feb 20, 2017 03:10

Suddenly big shadow appeared on my field. Just in front of my house. I played in this world and in this area for a long time, and everything (lighting) was OK till now.

It happened after pine sapling grows into tree outside the building when I was inside it.

View from roof of my building. There is nothing above, just clean sky.

Image
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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Mon Feb 20, 2017 11:00

Placing torch and removing it does not help.
Digging block and placing it back does not help.
Cutting the tree does not help.
Restarting the game does not help.

The shadow is persistent.

Please help.
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Mon Feb 20, 2017 11:53

Many thanks to author of Map Fixer mod. This mod helps me.

As newbie I read what mod generally is, how to install it, enable it, and use it (particularly mentioned mod).

I think algorithms that causes light bugs must be fixed in game itself, not relying on crutches that community make.
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Mon Feb 20, 2017 14:19

More light/shadow bugs on flat surface:

Image Image
 

paramat
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Re: Suddenly: black hole in landscape

by paramat » Mon Feb 20, 2017 19:55

There is a PR being reviewed now that should fix shadows caused by saplings growing.

> More light/shadow bugs on flat surface:

In latest 0.4.15dev?
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Mon Feb 20, 2017 21:06

paramat wrote:There is a PR being reviewed now that should fix shadows caused by saplings growing.

> More light/shadow bugs on flat surface:

In latest 0.4.15dev?

0.4.15 from official Manjaro repo, not 0.4.15dev.
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Thu Feb 23, 2017 15:41

Interesting situation.

I have time_speed=0 and time set to /time 12:00.
Well, I don't like night time.

In my house I have a basement which is below sea level. Its walls I made of glass to admire sea/lake bottom. On ceiling in basement there are many torches to highlight basement. Sea bottom is highlighted by sunlight. Now I decided to turn night on (/time 0:00) to see how basement looks from underwater at night. And it turns out that it was very dark. I can't believe it! So many torches on the ceiling but dark floor! While in daytime everything was OK. Is sunlight so influential/powerful compared to torch light? I went to basement, executed /mapfix and… everything around me became lit with bright light! Exactly!

So poor light processing in the game itself!

Advise: turn night on and launch /mapfix to reveal illumination bugs that may be not so noticeable in daytime.
 

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Andrey01
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Re: Suddenly: black hole in landscape

by Andrey01 » Sat Feb 25, 2017 15:30

Maybe is this unloading place?Map loads very slowly in MineTest
 

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Andrey01
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Re: Suddenly: black hole in landscape

by Andrey01 » Sat Feb 25, 2017 15:32

Also there are like errors has More Trees ModPack
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Sat Feb 25, 2017 15:34

Andrey01 wrote:Maybe is this unloading place?Map loads very slowly in MineTest

Map block is either loaded or not. It can not be partially loaded with strange shadows as a result of it.
Last edited by Sergey on Sat Feb 25, 2017 17:37, edited 1 time in total.
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Sat Feb 25, 2017 15:35

Andrey01 wrote:Also there are like errors has More Trees ModPack

In my case shadow appeared when usual (default) pine tree sapling grew.
 

christoferlevich
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Re: Suddenly: black hole in landscape

by christoferlevich » Sat Mar 04, 2017 12:17

I've been using the remove_unknown mod to remove weird shadows. It doesn't show any unknown blocks removed but it removes the shadow weirdness. viewtopic.php?t=11259 Works almost everytime.
 

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Chibi ghost
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Re: Suddenly: black hole in landscape

by Chibi ghost » Wed Mar 08, 2017 08:52

err I think I found a random solution I used to get a lot of this and I found by accident a firefly mod that I installed seems to remove random shadows like this I don't know why it worked it just does
https://github.com/4Evergreen4/insects
by the way due to too many bee mods in my game I removed the bee part of this mod so I just run fireflies
 

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Sergey
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Re: Suddenly: black hole in landscape

by Sergey » Wed Mar 08, 2017 16:13

Big shadows often appear after using WorldEdit. So install it together with mapfix.
 


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