[Bug] Is level calculation

[x1p]

Description

Describe the bug

The level calculation got mixed up

Steps to reproduce the behavior

1. make 3 blueprints
2. stop server
3. delete worlds
4. delete databases
5. start server
6. start island by choosing 1 of the blueprints
7. check to see that Is level = 0
8. is reset and choose different island
9. check is level. Result is e.g. -22
10. is reset and choose different island
11. check is level. Result is e.g. 99
12. is reset and choose the same island as step 6
13. check is level. Result is e.g. -57
14. is reset and choose the same island as step 8
15. check is level. Result is e.g. 198

Screenshots and videos

Expected behavior

I am trying to understand the logic behind this.

Environment

Server

• OS: Linux
• Java version: 1.8.0_212

Plugins

BentoBox, CMI, LuckPerms, Vault*, WorldBorder, WorldEdit, WorldEditCUI, WorldGuard

BentoBox setup

BentoBox and Addons

Running PAPER 1.13.2.
BentoBox version: 1.5.0-SNAPSHOT-b1097
Loaded Game Worlds:
bskyblock_world (BSkyBlock): Overworld, Nether, End
Loaded Addons:
Biomes 1.5.0.0-SNAPSHOT-b79
BSkyBlock 1.5.0
Challenges 0.7.5-SNAPSHOT-b227
Level 1.5.0-SNAPSHOT
Limits 0.2.0-SNAPSHOT
MagicCobblestoneGenerator 1.5.0.1

Configuration

• Database: JSON

Additional context

[x1p]

I think I understand the mechanism behind it.
If a new island is made, the is level is set to 0. (Not quite, but almost).

If a reset is done, the old island is purged, the new island is set.
Is level is not resetted. New (smaller/bigger) island is placed.
The level calculation is done, it "sees" extra/less blocks.

Even if the same island is chosen after the reset, the island level is raised with about 99 points.

[Poslovitch]

For some reason, I can't transfer this issue to the Level repository. @tastybento Could you give it a try?

[tastybento]

@Poslovitch Me neither. It's not an option for some reason. Weird. Anyway, this is fixed in the commit.
@x1p Thanks for the report!