I have a huge city that I've been working on for ~4 years now, and the world was generated waaaayyy back in BETA 1.8. I use WE to help me build, and I also have Gammabright running on LiteLoader to help me build in dark spaces. Recently, starting from the past 6 months or so, I have noticed dark spots and entire surfaces that appear to have light level 0. When I move near these surfaces, the lighting resets and it returns to how it should be. The glitch only happens with older buildings that I've built at least a month ago. I regularly back up my save, and one time it became corrupted and I fixed it by replacing the session.lock file from a different world. I am worried that my save is slowly becoming corrupted over time, because I read somewhere that as any file gets copied back and forth, data is lost and the file will eventually corrupt. My laptop is also an old Intel Pentium from '09, I'm planning on getting a new custom build soon. I have attached screenshots that show the bugs, if you would like a save of the world I can pm or email you a link.
Does anyone know if there's anything I can do to fix this? Is my world in danger of corruption? Could this be because of Gammabright? Any help is appreciated!
Example 1:
Before:
After:
Example 2:
Before:
After:
Example 3:
Before:
After I moved towards the light on the left (notice the glitchy glowstone on the bottom):
After I moved past both sides (This is how its supposed to be):
One thing you could try is to open the world in MCEdit and use the chunk Re-Lighting function on all chunks. This could take quite an fair amount of time. Or you can do it few chunks at a time for lesser resource load on the machine.
As well it could be gammabright. Can always remove and test to see. But lightning issues like these are nothing uncommon, even in vanilla. Chunk miscalculated lighting issues happen time to time.
Hmmm... I will try the MCEdit chunk relighting. I normally use MCEdit to do certain things I can't do with WE, but I haven't used it in a while.
If it really turns out to be gammabright, then I won't worry about it anymore. I need that mod!
These lighting glitches seem like they've been around since the beginning of time, it's weird how Mojang still hasn't found a way to fix it.
They have been around for an very very long time, however they were fixed up a fair bit, but still remain though not as bad as once before. It is due to how lighting is calculated in the first place; it is very inefficiently done for it is per block calculated including air.
Normally if the dark spots are that bad, like all over map, relighting normally will fix it in MCEdit. Otherwise you could just right click empty hand or anything on a block and a lighting update will happen. Or just throw and break and torch. They are just unappealing, but wont break anything, though mobs can spawn sometimes on them.
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Does anyone know if there's anything I can do to fix this? Is my world in danger of corruption? Could this be because of Gammabright? Any help is appreciated!
Example 1:
After:
Example 2:
After:
Example 3:
After I moved towards the light on the left (notice the glitchy glowstone on the bottom):
After I moved past both sides (This is how its supposed to be):
As well it could be gammabright. Can always remove and test to see. But lightning issues like these are nothing uncommon, even in vanilla. Chunk miscalculated lighting issues happen time to time.
If it really turns out to be gammabright, then I won't worry about it anymore. I need that mod!
These lighting glitches seem like they've been around since the beginning of time, it's weird how Mojang still hasn't found a way to fix it.
They have been around for an very very long time, however they were fixed up a fair bit, but still remain though not as bad as once before. It is due to how lighting is calculated in the first place; it is very inefficiently done for it is per block calculated including air.
Normally if the dark spots are that bad, like all over map, relighting normally will fix it in MCEdit. Otherwise you could just right click empty hand or anything on a block and a lighting update will happen. Or just throw and break and torch. They are just unappealing, but wont break anything, though mobs can spawn sometimes on them.