Omni NPC System is a powerful and highly customizable AI framework for Unreal Engine.Built entirely from the ground up, this system goes far beyond the default UE5.6 NPC demo, offering over 100+ configurable parameters covering animation, VFX/SFX, combat logic, AI behavior, perception, sound, and UI control.

Create scalable, interactive NPCs and AI-controlled characters with modular combat systems, dynamic behavior trees, and fully blueprint-driven components.

📘 Documentation & Tutorials

• 📺 YouTube Video Tutorialhttps://youtu.be/31b6pkIyDBM

• 📄 Online Documentation (Google Docs)https://docs.google.com/document/d/e/2PACX-1vTELdO2lKWRtffX0FEkJ609mO0l9XzVpo689_MeQVtkJL2A3R12FDQ4kg0nHCxX04SX9HqswpSvKZTi/pub

• 🌐 中文说明文档（for Chinese users only）https://www.yuque.com/waige-8vxoz/hr6ysh/ne74lbsg5et60683?singleDoc#

🎮 Core Features

• Modular Combat SystemSupports Attack Montages with switching logic by distance, random, HP, player animation, angle, etc. Includes pre/post delays and multi-condition logic.

• Customizable VFX & SFXHit, near-death, death effects; bone attachments; advanced concurrency and attenuation control.

• AI BehaviorPassive/aggressive states; patrol systems (point/range based); forced damage logic; level/XP/upgrades.

• Three-level Death SystemRagdoll, lootable box, destroy actor.

• Perception SystemFull AI Perception: sight, hearing, damage, premonition.

• UI SystemToggleable health bar and level display.

🧠 NPC Configuration Fields

• Attack_Montage, Be_Attacked_Montage, Death_Montage, Cropse_Animation

• Per-state VFX/SFX attached to specific bones

• Patrol options: Is_Patrol, Patrol_Range, Patrol_Time_Range

• Death logic: drop blueprint, corpse, destroy actor, or item spawn

• Blood system: HP, forced damage, bleeding broadcast

• Custom footsteps and combat sound sets

🧍‍♂️ Character Configuration Fields

• Level, XP, blood volume, upgrade logic

• Speed, attack range, defense

• Sound and visual feedback for each combat state

• Shares same modular VFX/SFX system as NPCs

⚙️ Technical Info

• 100% Blueprint-driven

• Cleanly organized and extendable

• No dependency on Epic’s NPC demo

• Compatible with UE5.6+