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No Cobblemon Bottle Return

Blocks the empty glass bottle from being added when using Cobblemon medicine via the Cobblemon menu, no pop-in, no inventory flicker. Other bottles (brewing/loot/crafting) are untouched.

Description

Stops Cobblemon from returning an empty Glass Bottle when you use medicine via the Cobblemon GUI.
This is a tiny, server-side friendly mod for Minecraft 1.20.1 Forge and Minecraft 1.21.1 NeoForge that prevents the bottle from ever being added, so there’s no hotbar pop-in and no need to delete it later. All other bottles (brewing, loot, crafting) behave normally.

✅ Available for Forge and NeoForge
✅ Designed to be minimally invasive (only intercepts the Cobblemon medicine flow)
✅ Keeps normal gameplay intact (brewing/loot/crafting bottles remain)

What it does

  • Prevents the empty minecraft:glass_bottle from being inserted into the player’s inventory when medicine is used through Cobblemon’s menu.
  • Works by intercepting the specific add-item path used by Cobblemon medicine, then pretending the insertion succeeded without actually placing the bottle — meaning no visual flicker.

What it does not do

  • It does not delete or interfere with bottles from brewing, loot, trades, crafting, or other mods.
  • It does not modify Cobblemon’s healing logic, only the “return bottle” side effect.

Installation

Forge version

  1. Install Minecraft 1.20.1 and a compatible Forge 47.x version.
  2. Install the matching Cobblemon version for Minecraft 1.20.1.
  3. Drop this mod’s JAR into your mods/ folder.
  4. Launch the game.

 

NeoForge version

  1. Install Minecraft 1.21.1 and a compatible NeoForge version.
  2. Install the matching Cobblemon version for Minecraft 1.21.1.
  3. Drop this mod’s JAR into your mods/ folder.
  4. Launch the game.

 

Servers: This mod is server-side friendly. If your server enforces the same mod list on clients, install it on both server and client.

FAQ

Q: Will this remove glass bottles from brewing or loot?
A: No. Only the “medicine returned bottle” path is blocked.

Q: Why not just delete the bottle afterwards with KubeJS?
A: Deleting it afterwards causes the bottle to “pop in” and then vanish. This mod prevents it from being added in the first place — no flicker.

Q: Do I need a different file for Forge and NeoForge?
A: Yes. Use the Forge build for Minecraft 1.20.1 and the NeoForge build for Minecraft 1.21.1.

Q: Can I restrict it to some medicines only?
A: Currently it targets the Cobblemon medicine add-path generically. If you need per-item control, open an issue.

Known Issues

  • No major issues currently reported.
    If you see a bottle slip through with a specific medicine, please include your mod list, game version, loader, and steps to reproduce.