BackPackSSS
作者：rebot | 分类：模组
Minecraft 版本： 1.21 1.21.1 1.21.2 1.21.3 1.21.4 1.21.5 1.21.6 1.21.7 1.21.8 1.21.9 1.21.10 1.21.11
平台： bukkit paper purpur spigot
标签： adventure storage
BackPackSSS
BackPackSSS is a lightweight, survival-friendly backpack plugin for PaperMC 1.21+.
It features a 3-tier crafting progression system, custom 3D resource-pack models,
SQLite persistence, and robust anti-dupe protection — with minimal server overhead.
Current version: 1.9
Features
| Feature | Details |
|---|---|
| 3 backpack tiers | Weak (18 slots) → Good (27 slots) → Strong (54 slots) |
| Tier upgrade crafting | Craft a higher tier using the previous tier as center ingredient |
| 3D resource pack | Custom bundle model per tier (brown / yellow / red) |
| SQLite persistence | Data survives restarts; async dirty-flag saves, sync save on shutdown |
| Anti-dupe protection | Session lock, opening cooldown, death/quit save |
| Nesting prevention | Blocks backpacks, shulker boxes, and bundles inside backpacks |
| Item filter | Explicitly blocks armor, tools, weapons, and enchanted books |
| Max backpack limit | Configurable per-player limit (default: 1) |
| Permission-based admin | backpack.admin for give/reload; works with LuckPerms etc. |
Requirements
- Server: PaperMC 1.21 or later
- Java: 21+
- SQLite JDBC: bundled by PaperMC — no extra jars needed
Building from Source
git clone <repo-url>
cd BackPackSSS
mvn clean package
# Output: target/BackPackSSS-1.9.jarRequires Maven 3.8+ and JDK 21.
Installation
- Drop
BackPackSSS-1.9.jarinto your server'splugins/folder. - Restart (or reload) the server.
- (Optional) Copy
resource-pack/contents, host the pack, and set it as your
server resource pack inserver.properties.
Commands
| Command | Permission | Description |
|---|---|---|
/backpack or /bp |
backpack.use |
Show craft reminder |
/bp give <tier> |
backpack.admin |
Give yourself a backpack (tier 1–3) |
/bp give <tier> <player> |
backpack.admin |
Give a backpack to another online player |
/bp reload |
backpack.admin |
Reload config without restarting |
Permissions
| Node | Default | Description |
|---|---|---|
backpack.use |
everyone | Allows opening a backpack |
backpack.admin |
OP | Access to give and reload sub-commands |
Crafting Recipes
Tier 1 — Weak Backpack (18 slots)
[L][L][L]
[L][C][L]
[L][L][L]
L = Leather | C = ChestTier 2 — Good Backpack (27 slots)
[I][R][I]
[R][B1][R]
[I][R][I]
I = Iron Ingot | R = Redstone | B1 = Tier 1 BackpackTier 3 — Strong Backpack (54 slots)
[S][D][S]
[D][B2][D]
[S][D][S]
S = Shulker Shell | D = Diamond | B2 = Tier 2 BackpackConfiguration (config.yml)
auto-discover-recipes: true # Show recipes in recipe book on join
restrictions:
max-backpacks: 1 # Max backpacks per player inventory (0 = unlimited)
allow-nesting: false # Block backpacks/shulkers/bundles inside backpacks
filter-special-items: true # Block armor, tools, weapons, enchanted books
tiers:
1:
name: "&fWeak Backpack"
size: 18 # Must be a multiple of 9 (max 54)
cmd: 10101 # CustomModelData matching your resource pack
lore:
- "&7Level: &fWeak"
- "&7Capacity: &b18 slots"
- ""
- "&aRight-click to open!"
# tiers 2 and 3 follow the same structureNotes on size: Changing a tier's size after players have already stored items is
safe — the plugin will trim excess items and log a warning rather than crash.
Item Filter (filter-special-items)
When enabled, the following item categories cannot be placed inside a backpack:
- Armor (helmets, chestplates, leggings, boots — all materials)
- Melee weapons (swords — all materials)
- Tools (axes, pickaxes, shovels, hoes — all materials)
- Ranged weapons (bows, crossbows, tridents)
- Shields, elytras, shears, flint and steel
- Enchanted books
- Totems of undying
Regular items with a stack size of 1 from other plugins are not blocked unless they
match one of the categories above.
Changelog
See CHANGELOG.md for the full history of changes.
Author
Duong2012G — feedback and bug reports welcome.
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