Artust Item Duplicator

Target: Minecraft 26.1.2 · NeoForge 26.1.2.76 · Java 25 · Mod version 1.1.0

End state

• Single item: Stack Duplicator (artustdup:stack_duplicator)
• Right-click → GUI → Dupe button
• Output goes into the player inventory (no output slot)
• Auto output: max stack size 1 → create 2; otherwise → full stack (config overrides available)
• Fuel modes: item (default emerald), XP, or RF (stored on the item, starts at 0)

1. Feature work (pre-port / same day)

Recipes (vanilla resources)

• Shaped craft for Stack Duplicator (stack_rec.json)
• Shapeless alternate (stack_duplicator_rec.json)
• (Item Duplicator recipe existed briefly, then removed — see §6)

Stack Duplicator behavior

• Results always deposited into player inventory
• Removed output slots / Stack·x2 tabs / 8× checkboxes
• Output amount driven by stack size (and config)

Fuel & config

• Common config: run/config/artustdup-common.toml
• Modes: item / XP / RF
• RF via NeoForge energy capability on the item; RF bar under GUI title (hover for exact amount)
• Shared options: consume input/fuel, cooldown, creative cost behavior, RF capacity / transfer rates