Data Packs Technology

Cool Functions [1.21.6-26.3 Snapshots]

  • 10.7k views 1 today
  • save_alt 1.7k downloads
Compatibility
Minecraft 1.21
to version
Minecraft 26.3 snapshot
Changes include
    • 23
    • 23
    • 24
    mattmunich
    Lvl 25Expert System Engineer
    6

    🧩 CoolFunctions – Data Pack




    See full description on Modrinth


    Add fun, cool, and useful features to your Minecraft world with one datapack!


    🇬🇧 English

    📖 Description
    CoolFunctions is a Minecraft Data Pack that adds several fun mechanics and useful utility functions, including:

    • 🏹 Ender Bow (with custom advancements)
    • 👤 Morph system (experimental)
    • 👻 Ghost Blocks
    • 🚀 Jet Pack (temporarily without custom texture)
    • 🧹 Utility functions (example: ClearLag)


    📢 Content & Usage Notice

    You are free to use this datapack in videos, streams, or showcases,
    as long as you clearly credit me (for example in the description or credits).

    Reuploading or redistributing this datapack without permission is NOT allowed.




    📘 How to Use

    🏹 Ender Bow
    • Obtaining
      • Option 1: /function coolfunctions:enderbow/giveenderbow
      • Option 2: Drop 1 Bow and 3 Ender Pearls on the ground

    • Usage: Hold right-click like a normal bow


    👤 Morph System (Experimental)
    • Morph into a mob: /function coolfunctions:morph/(MobName)
    • Unmorph: /function coolfunctions:unmorph


    🚀 Jet Pack

    • Obtaining
      • Option 1: /function coolfunctions:jetpack/givejetpack
      • Option 2: Drop 3 Iron Ingots and 3 Coal Blocks on the ground

    • Usage: Equip it in your chestplate slot and sneak


    👻 Ghost Blocks
    • Obtaining: /function coolfunctions:ghostblocks/<BlockName>
    • Usage: Place the Ghost Block spawn egg on the ground
    • Removal
      • Remove one: /function coolfunctions:ghostblocks/remove
      • Remove all in a 10x10x10 area: /function coolfunctions:ghostblocks/removemr
      • Remove all in the world: /function coolfunctions:ghostblocks/ra



    🧹 ClearLag (Manual)
    • Clear all dropped items: /function coolfunctions:clearlag





    🇫🇷 Français

    📖 Description
    CoolFunctions est un Data Pack Minecraft qui ajoute plusieurs fonctionnalités amusantes et utiles, notamment :

    • 🏹 Arc de l’Ender (avec des succès personnalisés)
    • 👤 Système de morph (expérimental)
    • 👻 Blocs fantômes
    • 🚀 Jet Pack (temporairement sans texture personnalisée)
    • 🧹 Fonctions utilitaires (ex : ClearLag)


    📢 Utilisation & Crédits
    Vous pouvez utiliser ce datapack dans des vidéos, streams ou présentations,
    à condition de me créditer clairement (par exemple dans la description ou les crédits).

    La redistribution ou le ré-upload de ce datapack sans autorisation est interdit.




    📘 Utilisation

    🏹 Arc de l’Ender
    • Obtention
      • Option 1 : /function coolfunctions:enderbow/giveenderbow
      • Option 2 : Jetez 1 arc et 3 perles de l’Ender au sol

    • Utilisation : Maintenez le clic droit


    👤 Système de morph (Expérimental)
    • Se transformer en mob : /function coolfunctions:morph/(NomDuMob)
    • Annuler le morph :/function coolfunctions:unmorph


    🚀 Jet Pack
    • Obtention
      • Option 1 : /function coolfunctions:jetpack/givejetpack
      • Option 2 : Jetez 3 lingots de fer et 3 blocs de charbon au sol

    • Utilisation : Équipez-le dans l’emplacement de plastron et accroupissez-vous


    👻 Blocs fantômes
    • Obtention : /function coolfunctions:ghostblocks/<NomDuBloc>
    • Utilisation : Placez l’œuf d’apparition du bloc fantôme
    • Suppression
      • Supprimer un bloc fantôme : /function coolfunctions:ghostblocks/remove
      • Supprimer tous les blocs fantômes dans une zone de 10x10x10 : /function coolfunctions:ghostblocks/removemr
      • Supprimer tous les blocs fantômes du monde : /function coolfunctions:ghostblocks/ra



    🧹 ClearLag (Manuel)
    • Supprimer tous les objets au sol : /function coolfunctions:clearlag

    12 Update Logs

    v1.5.3 : by mattmunich 08/19/2026 4:34:52 amAugust 19 @ 8:34 am UTC

    ✨ Features & Improvements

    - Added support for Minecraft 26.3 snapshots.
    - Added maximum height limits above ground for each Jetpack tier.
    - Added unique colors to distinguish the different Jetpack tiers.
    - Added fuel information to the Jetpack lore, displaying the current and maximum fuel capacity.
    - Removed the equip sound that played when using the Jetpack.
    - Updated the prefix to use more consistent colors.
    - Jetpack and Enderbow recipes now automatically unlock when obtaining the required materials or crafting the previous Jetpack tier.
    - Changed the fuel item for the tier 5 Jetpack to Dragon's Breath

    🛠️ Technical

    - Moved the Enderbow and Jetpack give functions to `coolfunctions:give/[​item]` for easier access and better organization.
    - Cleaned up the scoreboard system by adding the `cf.` prefix to Cool Functions scoreboards, reducing the risk of conflicts with other datapacks.
    - Removed unused scoreboards that were previously created when the datapack was loaded.
    LOAD MORE LOGS

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      Have something to say?

    Loupieur
    08/25/2026 12:12 pm
    He/Him • Level 56 : Grandmaster Wolf Nerd
    Le Jetpack n'est pas logique, faudrait plutôt faire en sort' d'appuyer sur la barre espace pour voler, et un datapack Jetpack existe déjà donc ça sert à rien d'en refaire un
    1
    Loupieur
    08/25/2026 12:10 pm
    He/Him • Level 56 : Grandmaster Wolf Nerd
    history
    Du texte bleu clair sur un fond gris clair c'est compliqué de lire
    1
    Omerkb
    07/17/2023 7:55 am
    Level 1 : New Crafter
    You can update it for 1.20?
    1
    mattmunich
    08/27/2023 6:37 am
    He/Him • Level 25 : Expert System Engineer
    Ok
    1
    jaokko
    06/03/2023 7:34 am
    Level 1 : New Miner
    how to fix the automatic moving mobs if you morph
    1
    mattmunich
    08/27/2023 6:38 am
    He/Him • Level 25 : Expert System Engineer
    It's because of the collisions, I'll try to fix it !
    1
    mattmunich
    04/08/2023 4:58 am
    He/Him • Level 25 : Expert System Engineer

    Thanks for the 1000 downloads !!

    Merci pour les 1000 téléchargements !!

    1
    Captainxxoff
    12/30/2022 8:03 am
    Level 1 : New Miner
    Enfin un truc cool et Français en plus !
    2
    mattmunich
    01/02/2023 7:18 am
    He/Him • Level 25 : Expert System Engineer
    Merci !
    1
    Deadly Carp
    12/06/2022 12:05 pm
    Level 1 : New Crafter
    history
    It doesn’t work on 1.19.2 multiplayer because of net.minecraft.class_3266 ! Can you correct it ?

    ça ne fonctionne pas sur 1.19.2 multijoueur a cause de net.minecraft.class_3266 ! Tu peux le corriger ?
    2

    Welcome