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Elytra Back Slot

CuriosPaper allows players to equip an Elytra in the back accessory slot, freeing up the chestplate armor slot for full-time wear.

Elytra in back accessory slot with chestplate in armor slot

CuriosPaper allows players to equip an Elytra in the back accessory slot, enabling flight while wearing a chestplate. This feature requires Minecraft 1.21+ with Paper (uses DataComponents API). The GLIDER component is a NonValued data component type, meaning it acts as a marker — its presence on an item enables gliding.

Enabling

In config.yml:

features:
  allow-elytra-on-back-slot: true

Version Requirement

This feature only works on Minecraft 1.21.3+ with Paper. On older versions, a warning is logged and the feature is disabled automatically: 

Elytra back slot feature requires Minecraft 1.21.3+ with Paper.

How It Works

When an Elytra is placed in the back accessory slot:

With Chestplate Equipped

  1. The GLIDER component is added to the player's chestplate
  2. The player can fly using the chestplate (it gains elytra gliding)
  3. Durability damage is redirected from the chestplate to the back-slot Elytra
  4. Custom wing textures are applied based on chestplate type

Without Chestplate

  1. A secret invisible Elytra is equipped in the chest armor slot
  2. The Elytra has an invisible item model (not visible in inventory)
  3. Wings are still visible in third-person view
  4. The secret Elytra is protected from being picked up or moved

Automatic Tagging

All Elytra items are automatically tagged for the back slot:

  • When a player picks up an Elytra (EntityPickupItemEvent)
  • When scanning player inventories on join

The tag adds:

  • PDC: curiospaper:slot_type → "back"
  • Lore: §7Required Slot: <Back Slot Name>

Chestplate Integration

The handler dynamically manages the chestplate's GLIDER component:

Event Action
Elytra equipped in back slot Add GLIDER to chestplate
Elytra removed from back slot Remove GLIDER from chestplate
Chestplate equipped (with elytra in back) Add GLIDER to new chestplate
Chestplate removed (with elytra in back) Equip secret invisible elytra

Durability Management

Durability damage from flight is redirected to the actual Elytra in the back slot:

  • Chestplate/secret Elytra damage events are intercepted
  • Damage is applied to the back-slot Elytra instead
  • The Elytra uses standard vanilla durability rules

Death Handling

On player death:

  • Secret invisible Elytra items are removed from death drops
  • The GLIDER component is cleaned from chestplate drops
  • The back-slot Elytra is handled normally as an accessory