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Cool Functions

Add fun, powerful, and useful features to your Minecraft world — all packed into one datapack!
An  overview of 3 cool functions.

An overview of 3 cool functions.

An example of how to use the ghost blocks for traps! (Highlighted in white)

An example of how to use the ghost blocks for traps! (Highlighted in white)

Morphed as an Iron golem

Morphed as an Iron golem

Description

🧩 Cool Functions

Add fun, powerful, and useful features to your Minecraft world — all packed into one datapack!


📖 Description

CoolFunctions is a Minecraft Data Pack that adds several fun mechanics and useful functions to the game, including:

  • 🏹 Ender Bow — A custom bow that allows you to teleport to your arrows
  • 👤 Morph System (experimental) — Transform into different mobs
  • 👻 Ghost Blocks — Place blocks that can be used for illusions and other creative purposes
  • 🚀 Jet Packs — Five tiers of Jet Packs with increasing fuel capacity, speed, and altitude
  • 🧹 Utility Functions — Useful utilities such as 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.


📘 Main Guide — How to Use

🏹 Ender Bow

📦 Obtaining

There are several ways to obtain the Ender Bow:

Option 1 — Command:

/function coolfunctions:give/enderbow

Option 2 — Crafting:

Crafting recipe of the Ender Bow

Option 3 — Drop Crafting:

Drop the following items on the ground:

  • 1 Bow
  • 3 Ender Pearls

The Ender Bow recipe will also automatically unlock when you obtain the required materials.

🎯 Usage

  • Hold right-click, just like a normal bow.
  • The arrow will teleport you to its landing location.

🚀 Jet Packs

The Jet Pack comes in five tiers, each providing increased fuel capacity, speed, and maximum altitude.

Each tier also has its own custom color, making it easy to distinguish between them.

💡 The altitude limit is measured as the height above the ground directly below the player. Once the maximum altitude is reached, the Jet Pack will no longer provide upward thrust.


🟤 Tier 1

  • Fuel: 1 minute
  • Speed: Low
  • 📏 Maximum altitude: 15 blocks above ground

Craft:

Craft of the tier 1 JetPack


🟢 Tier 2

  • Fuel: 15 minutes
  • Speed: Medium-low
  • 📏 Maximum altitude: 30 blocks above ground

Craft:

Craft of the tier 2 JetPack


🔵 Tier 3

  • Fuel: 30 minutes
  • Speed: Medium
  • 📏 Maximum altitude: 40 blocks above ground

Craft:

Craft of the tier 3 JetPack


🟣 Tier 4

  • Fuel: 45 minutes
  • Speed: Medium-high
  • 📏 Maximum altitude: 70 blocks above ground

Craft:

Craft of the tier 4 JetPack


🔴 Tier 5

  • Fuel: 1 hour
  • Speed: High
  • 📏 Maximum altitude: 100 blocks above ground

Craft:

Craft of the tier 5 JetPack

🔧 Recipe Update: The Tier 5 Jet Pack recipe now requires 3 Dragon's Breath.


🎨 Jet Pack Tiers

Each Jet Pack tier has its own custom color:

Tier Fuel Speed Maximum Altitude
Tier 1 1 min Low 15 blocks
Tier 2 15 min Medium-low 30 blocks
Tier 3 30 min Medium 40 blocks
Tier 4 45 min Medium-high 70 blocks
Tier 5 1 hour High 100 blocks

The Jet Pack's lore also displays its current fuel and maximum fuel capacity.


🟡 Creative Jet Pack

A special Jet Pack intended for creative use.

  • Fuel: Infinite
  • Speed: Very high
  • 📏 Altitude: Unlimited

Give:

/function coolfunctions:give/jetpack

🕹️ Usage

  • Equip the Jet Pack in your chestplate slot.
  • Sneak to activate it.
  • Stop sneaking to descend with Slow Falling.

👤 Morph System

⚠️ Experimental: The Morph System is still experimental and may not work perfectly with every mob.

🔄 Morph into a Mob

/function coolfunctions:morph/<MobName>

Replace <MobName> with the name of the mob you want to morph into.

🔙 Unmorph

/function coolfunctions:unmorph

👻 Ghost Blocks

Ghost Blocks are special blocks that can be placed using their corresponding spawn eggs.

📦 Obtaining

/function coolfunctions:ghostblocks/<BlockName>

Replace <BlockName> with the block you want to create a Ghost Block for.

🧱 Usage

  • Place the Ghost Block spawn egg on the ground.
  • The corresponding Ghost Block will be created.

❌ Removal

Remove one Ghost Block:

/function coolfunctions:ghostblocks/remove

Remove Ghost Blocks in a 10×10×10 area:

/function coolfunctions:ghostblocks/removemr

Remove all Ghost Blocks in the world:

/function coolfunctions:ghostblocks/ra

🧹 ClearLag

ClearLag allows you to manually remove dropped items from the world.

🗑️ Clear All Dropped Items

/function coolfunctions:clearlag

This removes dropped item entities from the world.


⚙️ Functions & Commands

Cool Functions also provides various utility functions that can be accessed directly through Minecraft's /function command.

🎁 Give Functions

Give an Ender Bow:

/function coolfunctions:give/enderbow

Give a Creative Jet Pack:

/function coolfunctions:give/jetpack

💡 The give functions have been organized under coolfunctions:give/ to make them easier to find and use.


📋 Features Overview

Feature Status
🏹 Ender Bow ✅ Available
🚀 Tier 1-5 Jet Pack ✅ Available
🟡 Creative Jet Pack ✅ Available
👻 Ghost Blocks ✅ Available
👤 Morph System ⚠️ Experimental
🧹 ClearLag ✅ Available

📜 Credits & Usage

Cool Functions is created by Matt Munich.

You are welcome to showcase and use this datapack in your videos, streams, and other Minecraft content, provided that proper credit is given.

⚠️ Do not reupload or redistribute the datapack without permission.

The Cool Functions Team

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