Quick answer
Which HTDevLib release should I use?
Updated 6 months ago Latest stable file HYTALEDEVLIB-0.5.0.jar
Game version Not listed
Mod system Built-in Hytale mod system
HTDevLib HYTALEDEVLIB-0.5.0.jar targets Hytale. Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer. No required dependencies listed for this file.
Where it goes
Where should HTDevLib be installed in Hytale?
Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer.
Separate client mod Not supported
World host / dedicated server Required
Mod system for this release Built-in Hytale mod system
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
Put Hytale mods on the world host or dedicated server. Singleplayer runs a local server too; Hytale does not use separate client mods.
What else does HTDevLib HYTALEDEVLIB-0.5.0.jar need?
HYTALEDEVLIB-0.5.0.jar. Change the file and its required mods may change too.
No required dependencies listed for this file This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional project dependencies. Check the creator notes before changing an existing world.
Before you install it
Add HTDevLib without breaking your instance.
Built for HTDevLib HYTALEDEVLIB-0.5.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use HYTALEDEVLIB-0.5.0.jar. It targets Hytale; another release may target a different game build or dependency set.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Enable it on the world host
Do not install it as a separate client mod. Enable it on the world host—the local server in singleplayer or the dedicated server in multiplayer.
- 04
Pick the file you checked
Use the “Get this file” button beside HYTALEDEVLIB-0.5.0.jar. It opens that exact file at the source.
About this project
What does HTDevLib add?
HytaleDevLib - Developer Utility Library
A comprehensive utility library for Hytale plugin development that simplifies common modding tasks with tested helper classes and intuitive APIs.
⚠️ Early Development: This is a work in progress with lots planned! Feel free to make suggestions in GitHub Issues.
Key Features
WorldHelper
- Time & Day System - Get/set game time, check day/night, track moon phases
- Tick Tracking - Schedule delayed actions and interval callbacks
- Player Management - Easy player lookups and messaging
- Thread-Safe Operations - Safe world manipulation from any thread
EntityHelper
- NPC Spawning - Spawn any NPC by name with proper ECS setup
- Player Utilities - Find players by name/UUID, get positions, calculate distances
- Entity Management - Iterate entities, check proximity, teleport entities
- Type Detection - Readable entity type names (e.g., "Cow", "Skeleton_Fighter")
ZoneHelper
- Zone Discovery Tracking - Track which zones each player has discovered
- Current Zone Queries - Get a player's current zone or check if they're in a specific zone
- Player-in-Zone Searches - Find all players currently in a specific zone
- Zone Statistics - Get discovery counts, all discovered zones, and zone popularity
- Thread-Safe Storage - Username-based tracking with concurrent collections
BlockHelper
- Name-Based Operations - Minecraft-style block referencing (e.g., "Rock_Stone")
- Dynamic Block Resolution - Uses game's native asset system for automatic compatibility
- World Editing - Fill regions, replace blocks, find blocks by type
- Automatic Client Sync - Block changes instantly visible to players
- Fluid Support - Programmatic water/lava placement and removal helpers
- Fluid Client Updates - Sends fluid update packets so fluid changes appear immediately
QuestHelper
- Quest Data Models - Build structured quests with objectives and rewards
- Objective Tracking Structures - Support objective type, target, and required amount definitions
- Prerequisite Support - Define quest dependency chains
- Repeatable Quest Patterns - Build daily/looping quest content
EconomyHelper
- Currency Operations - Add/remove/check balances through a single helper API
- Transaction Utilities - Apply costs and payouts for gameplay systems
- Shop/Reward Foundation - Reusable helpers for vendors, quest rewards, and upgrade costs
BlockStateHelper
- Block State Management - Work with chests, signs, and other stateful blocks
- Container Access - Easy access to chest inventories and other containers
- State Persistence - Mark states for saving to ensure data persists
- Future-Proof - Abstracts deprecated BlockState API
ItemHelper
- Item Creation - Create item stacks with specified quantities
- Container Management - Add, remove, count items in containers
- Random Slot Placement - Fill containers with items in random slots for loot variety
- Inventory Queries - Check space, count items, get item information
- Dropped Item Entity Management - Get all dropped items, filter by type/radius, remove items, teleport items
- Item Teleporting - Teleport items to players
- Item Cleanup - Count and remove specific item types from the world
EventHelper
- Simplified Events - No manual EventRegistry boilerplate
- Item Events with Player Entity - Drop, pickup, and crafting detection with player entity access
- Player Events - Chat messages, join/disconnect tracking
- Transaction Parsing - Automatic inventory transaction analysis
- Stat Integration - Access player stats directly in item event callbacks
EcsEventHelper
- Block Events with Player Entity - Break, place, and damage tracking with player entity access
- Mining Progress - Track mining progress and player-specific block interactions
- BlockDamageContext - Read/write access to block health for mining speed multipliers
- Gather Type Filtering - Filter by block categories (Rocks, Woods, Soils, etc.)
- Mining Speed Multipliers - Implement efficiency enchantments and custom mining mechanics
- Zone Discovery - Detect map exploration with zone metadata
- ECS Integration - Automatic system registration for player events
- Smart Filtering - Filters out false positives (e.g., "Empty" blocks)
DeathHelper
- Entity Death Tracking - Track entity deaths with comprehensive information
- Killer Information - Get killer entity (player, NPC, or environment)
- Damage Source - Get damage source and how they died
- Death Position - Get coordinates where entity died
- Automatic Name Resolution - Player usernames and NPC role names
StatsHelper
- Entity Stats Management - Get/set health, stamina, mana, oxygen, and any custom stat
- Stat Modifiers - Add additive or multiplicative buffs/debuffs to stats
- Convenience Methods - Quick access to common stats (health, stamina, mana, oxygen)
- Stat Queries - Get min/max values, percentages, check if stat exists
- Min/Max Operations - Maximize, minimize, or reset stats to defaults
- Auto-Clamping - Values automatically stay within min/max bounds
InventoryHelper
- Item Management - Give, remove, count items with quantity support
- Inventory Checks - Has item, is full, get active hotbar item
- Player Operations - Clear inventory, check capacity
- Safe API - Null-safe operations with proper error handling
PlayerHelper
- Messaging - Send messages to players
- Permissions - Check player permissions with default values
- Game Mode - Get/set player game mode (Creative, Adventure)
- Block Targeting - Get blocks player is looking at with distance info
- Player Data - Get player component and skin data
- Type Checking - Verify if entity is a player
UIHelper
- Custom Page Management - Open/close custom UI pages
- HUD Control - Show/hide HUD components
- Fade Animations - Smooth fade in/out effects for UI elements
- UI Transitions - Create polished user experiences
TitleHelper
- On-Screen Title Notifications - Display major and minor titles to players
- Major Titles - Large, prominent notifications for important events
- Minor Titles - Smaller, subtle notifications for less critical info
- Custom Icons - Add icons to titles from asset paths
- Fade Animations - Control fade-in and fade-out timing
- Duration Control - Set how long titles display on screen
LootHelper
- Custom Block Drops - Override default block drops with custom items
- Mob Loot System - Add custom drops to any mob with chance-based mechanics
- Chance-Based Drops - 10% legendary items, 50% uncommon drops, 75% common drops
- Loot Tables - Register custom loot for specific block types and mobs
- Physical Item Entities - Spawn items with proper physics and collision
- Flexible Loot Logic - Percentage-based, weighted, depth-based, and conditional drops
- DeathHelper Integration - Works alongside entity death tracking
ContainerHelper
- Container Tracking - Track item changes in chests, furnaces, and other containers
- ContainerTransaction API - Automatic transaction parsing with clean API
- Transaction Cancellation - Cancel transactions to prevent item changes with automatic reversion
- Auto-Registration - Automatically track all containers as they're placed/destroyed
- Shift-Click Detection - Properly detects ADDED vs REMOVED for shift-click transfers
- Chest Protection - Build protection systems and item logging
EquipmentHelper
- Equipment Tracking - Track armor, utility/offhand, and tool changes for any LivingEntity
- EquipmentChange API - Structured change objects with old/new items and slot info
- Equip/Unequip Detection - Convenience helpers for detecting equip vs unequip actions
- Shift-Click Support - Works with both drag/drop and shift-click equipping
ParticleHelper
- 535+ Particle Systems - Access to all Hytale particle effects by name
- 2D & 3D Spawning - Spawn particles at positions, blocks, or entities
- Scale Control - Customize particle size (1.0 = normal, 2.0 = double)
- Color Customization - Built-in color presets for particle tinting
- Player-Specific Particles - Show particles to specific players only
- Automatic Cleanup - Temporary particles auto-disappear, looping effects persist
SoundHelper
- 1,156+ Sound Events - Access to all Hytale sound effects by name
- 2D Sounds (UI/Global) - Play sounds to all players or specific players
- 3D Sounds (Positional) - Play sounds at world positions with distance attenuation
- Volume & Pitch Control - Customize sound playback (1.0 = normal)
- Sound Categories - SFX, MUSIC, AMBIENT, VOICE, MASTER
- Player-Specific Audio - Play sounds to individual players
ComponentHelper
- Type-Safe ECS - Safe component access with null handling
- Display Names - Easy entity name management
- Item Data - Extract item information from components
For Server Owners
This is a library mod - it doesn't do anything on its own. Install it only if another plugin requires it as a dependency.
Installation:
- Download HytaleDevLib JAR
- Place in your server's
Mods folder
- Install any plugins that depend on HytaleDevLib
- Restart your server
For Mod Developers
HytaleDevLib is designed to be a dependency library for your plugins. It provides the utilities you need without adding gameplay features, keeping your mod focused on what makes it unique.
Documentation
Website & Documentation
GitHub Wiki:
- Complete API Reference
- Helper Class Guides
- Code Examples & Use Cases
Support & Issues
License & Credits
Author: ShaneeexD
License: MIT License
Version: 0.5.0
You may use this mod as a dependancy for any mod you develop, as long as the download remains hosted within the CurseForge ecosystem.
Project description from CurseForge.
Recent files
HTDevLib releases and Hytale builds
12 of 12 releases match 18 Feb 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 31 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 25 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 21 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
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Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 19 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 18 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 18 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 17 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 17 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 16 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup → 15 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Project page
Check the setup →