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Plethora777 / mcpe_viz

Minecraft Pocket Edition (MCPE) World Visualization & Reporting Tool with Web App
GNU General Public License v2.0
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Seg Fault on World #1

Closed phunni closed 8 years ago

phunni commented 8 years ago

I tried running mcpe_viz on a file that I received from a contact on reddit. He had taken the old classic "nyan" seed and made it work as an infinite world on 0.12.x.

I tried it in my version of MCPE on my phone and it seems to work perfectly well, however, when I run mcpe_viz on it I get a seg fault.

Here is the output: mcpe_viz --grid --db ~/documents/shared/nyan/ --out ~/documents/shared/mcpe/nyan mcpe_viz v0.0.4 by Plethora777 Reading XML from /home/paul/.mcpe_viz/mcpe_viz.xml Reading config from /home/paul/.mcpe_viz/mcpe_viz.cfg Adding 'hide-top' block: dimId=1 blockId= 7 (0x07) (hide-top: nether - Bedrock) Adding 'hide-top' block: dimId=1 blockId= 87 (0x57) (hide-top: nether - Netherrack) Adding 'hide-top' block: dimId=1 blockId= 10 (0x0a) (hide-top: nether - Lava S) Adding 'hide-top' block: dimId=1 blockId= 11 (0x0b) (hide-top: nether - Stationary Lava S) Adding 'hide-top' block: dimId=0 blockId= 16 (0x10) (hide-top: overworld - Coal Ore) Adding 'hide-top' block: dimId=0 blockId= 15 (0x0f) (hide-top: overworld - Iron Ore) INFO: Adding 'force-top' block: dimId=0 blockId= 56 (0x38) (force-top: overworld - Diamond Ore) INFO: Adding 'force-top' block: dimId=0 blockId=120 (0x78) (force-top: overworld - End Portal Frame) INFO: Adding 'force-top' block: dimId=0 blockId= 54 (0x36) (force-top: overworld - Chest E) parseLevelFile: name=/home/paul/documents/shared/nyan//level.dat version=4 len=446 Found World Spawn: x=128 y=64 z=128 Level name is [nyan] DB Open: dir=/home/paul/documents/shared/nyan/ DB Open Status: OK Scan keys to get world boundaries 2299 records Parse all leveldb records Player Position=(129.543091, 76.620003, 110.118469) at image (129, 110) -- Rotation=(3926.182373, 11.269871) Read 2299 records Status: OK Do Output: overworld Generate Image Info: World (0, 0) is at image (0, 0) Segmentation fault (core dumped)

The file for the world itself is available at: https://www.dropbox.com/s/sgmf2mxvxovriic/nyan.zip?dl=0

The log file for the attempted conversion is available at: https://www.dropbox.com/s/n9agp9spk1jleq4/nyan.log?dl=0

Plethora777 commented 8 years ago

Thanks for the bug report. The leveldb for the world had one really weird record (bad coordinates). I added code to avoid this issue. Fixed in today's push.