Bookshelf is a user-friendly modular library datapack, crafted to assist map makers in effortlessly implementing intricate systems within their maps.

Manage entity positions and rotations via scoreboard values in Minecraft datapacks. Set precise coordinates on any axis.

Create smooth curves from control points in Minecraft datapacks. Supports Bézier, Catmull-Rom, B-Spline, Hermite, and Linear interpolation.

Execute commands based on where entities look in Minecraft. Detect aimed blocks, entities, and more.

Advanced math for Minecraft datapacks: trigonometry, exponentials, factorials, GCD, and float operations beyond vanilla commands.

Assign unique numeric IDs to entities in Minecraft datapacks. Create continuous ID chains and query entities by ID.

Log messages to chat with severity levels (error, warn, info, debug). Filter by namespace and tags, and browse log history.

Cast rays in Minecraft datapacks to detect block and entity hits. Voxel-accurate collision detection with customizable callbacks.

Ready-to-use structures from the Bookshelf modular datapack library: trees and templates to speed up world creation.

A modular datapack library for Minecraft with 25+ modules covering math, raycasting, hitboxes, blocks, entity control, and more.

Build in-world GUIs in Minecraft using Interaction entities. Bind click events, detect hover, and create interactive 3D menus.

Vector math for Minecraft datapacks: rotations, coordinate conversions, and 3D operations. Essential for physics and movement.

Debug Minecraft datapacks by printing scoreboard values, NBT data, and storage contents to chat with a simple, unified syntax.

Perform bitwise AND, OR, XOR, and NOT operations in Minecraft datapacks. Useful for flags, permissions, and compact data storage.

Core utilities from the Bookshelf modular datapack library: math, vectors, raycasting, entity control, blocks, health, and more.

Access the real-world system time from Minecraft datapacks. Get hours, minutes, and seconds for time-based events.

Convert colors between RGB, hexadecimal, and integer formats in Minecraft datapacks. Useful for dynamic text colors and visual effects.

Apply functions across world regions in Minecraft datapacks. Iterate over 2D/3D shapes with lag-free tick spreading and custom callbacks.

Link entities together in Minecraft datapacks with synchronized positions and rotations. Create complex multi-entity structures.

Get and set block IDs and states in Minecraft datapacks. Mix block properties and produce sounds, particles, display blocks, and more from stored data.

Control entity movement in Minecraft datapacks with velocity vectors and collision handling. Build physics-based projectiles and motion systems.

Access biome and weather data in Minecraft datapacks. Get the current biome, check temperature, and detect rain or snow at any position.

Manipulate strings in Minecraft datapacks: concatenate, change case, search, replace, and count.

Manage entity health in Minecraft datapacks: heal, damage, get/set values, modify max health, and assign lifetimes with death callbacks.

Debug and logging tools from the Bookshelf modular datapack library. Inspect variables, log with severity levels, and track issues.

Manage player XP in Minecraft datapacks. Control the XP bar with precision, query status, and manipulate levels programmatically.

Create dynamic sidebars in Minecraft using scoreboards. Supports rich text formatting, alignment, and real-time content updates.

Get precise hitbox data for blocks and entities in Minecraft datapacks. Check collisions and access both collision and interaction shapes.

Schedule commands in Minecraft datapacks with cancellation and context preservation. Remember which entity and location triggered it.

Generate random numbers in Minecraft datapacks. Supports various distributions, weighted choices, and noise functions like Simplex and Fractal.

Pre-built tree structures for Minecraft: Birch, Cypress, Dark Oak with multiple variations.

Work with collections in Minecraft datapacks. Map, filter, reduce, find, and transform elements with functional operations.