Discussion forum > General Discussion
New Map Format (1.2)
Tobs:
Looking good, in the next update there should be an increase of world height, hopefully less lag and ironed out bugfixes and coding plus a lot of other cool stuff too (mobs, AI etc.)
Some changes to world generation/map format:
* Maximum build height has been increased to 256 (was 128)
* Empty sections of the world are not loaded into memory
* Block ids have been increased to 4096 (was 256) by adding a 4 bit data layer (similar to how meta data is stored)
* Block ordering have been changed from x/z/y to y/z/x in order to improve compression
* Packets for sending chunks have been updated (a full 128-high chunk is smaller than the old format, and a chunk with lots of empty space is much smaller)
* Biomes are saved per x/z column, which means they can be altered by tools
The maps should automatically update with the update, so hopefully no worries there.
Also, read the full artical here http://www.mojang.com/2012/02/14/new-minecraft-map-format-anvil/
Should be good to see what people can get out of this new world limit, and can't wait to see the new structures raise to the skyline :D
What do you think about this next update, what are you wanting to build, what you don't like or whatever?
FULL LIST OF UPDATES
DJAlphaWolf:
For a lot of us, this is a pretty significant update! I'm excited! ;D
Raichor:
will a map reset be required?
Tobs:
--- Quote from: Raichor on February 14, 2012, 11:55:25 am ---will a map reset be required?
--- End quote ---
Not necessarily, you can just update your world (same for the server) to the new generator and it should keep all the world info - though it is reccomended to update fully.
clawstrider:
--- Quote from: Raichor on February 14, 2012, 11:55:25 am ---will a map reset be required?
--- End quote ---
From what I understand, for these features, no, for jungles and cats, yes. I could be wrong.
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