NPCs engine

NPC Engine

Interactive NPC system with dialogues for Minecraft 1.21.9+

NPC Engine is a data pack for creating NPCs with a dialogue system, response options, and a cinematic camera.

🎯 Features

NPCs

• Mannequins — NPCs based on minecraft:mannequin with custom skins
• Other Entities — Villagers, zombies, skeletons, etc.
• Interactivity — Clicking on an NPC starts a dialogue
• Visual Editor — Control via the action bar

Dialogues

• Typewriter Effect — Smooth character-by-character typing
• Choice System — Branching dialogues with multiple answer options
• Navigation — Shift to skip to the next line
• Text Display — Text is displayed above the NPC

Camera

• Cinematic Mode — Automatically zooms in on the NPC
• Positioning — The camera is positioned to the side of the NPC
• Smooth Transitions — Blindness effect at the start/end Dialogue
• Restore — automatically returns the player to their starting position

🚀 Installation

1. Place the npcs-engine folder in your world’s datapacks
2. Run /reload

📋 Usage

Open the Editor

/function _npsc:open

Editor Controls

• Mouse Wheel — Navigate the menu
• RMB (carrot on a fishing rod) — Select an item

Editor Menu

| Item | Description |
|——-|———-|
| 📝 Create NPC | Create a new NPC |
| 📋 List | View all NPCs |
| 💬 Dialogues | Dialogue Editor |
| 🎬 Dialogue Test | Run a Dialogue Test |
| ❌ Exit | Close Editor |

Interacting with NPCs

• Click on the NPC to start a dialogue
• Shift — next line
• The dialogue ends automatically after the last line

🔧 API for Developers

Creating an NPC

# Create a mannequin NPC
function npcs:npc/create_player

# Create an NPC entity
function npcs:npc/create_entity

Dialogue Management

# Add a dialogue line
function npcs:dialog/editor/add_line {npc_id:1,text:"Hello, traveler!"}

# Add a choice
function npcs:dialog/editor/add_choice {npc_id:1,text:"Where shall we go?",choices:["North","South"]}

# Start a dialogue programmatically
function npcs:dialog/start_play

Data Storage

• Storage npcs:data — NPC and dialogue data
• Storage npcs:current_dialog — currently active dialogue

📋 Requirements

• Minecraft: 1.21.9+
• Permissions: Operator for editor commands

🎮 Example: Quest NPC

# 1. Create an NPC
function npcs:npc/create_player

# 2. Add dialogues (npc_id = 1)
function npcs:dialog/editor/add_line {npc_id:1,text:"Greetings, hero!"}
function npcs:dialog/editor/add_line {npc_id:1,text:"I have something for you" task."}
function npcs:dialog/editor/add_choice {npc_id:1,text:"Will you accept it?",choices:["Of course!","Not now"]}

Create living worlds with the NPC Engine! 💬✨