# EDInteractionSystem

EDInteractionSystem is a production-focused interaction framework for Unreal Engine that helps you ship polished “Press E to interact” gameplay fast — across Actors and Foliage/Instanced Meshes — with a clean UI workflow, optional outline highlighting, reusable interaction feedback effects, and server-authoritative multiplayer logic.

If you want a consistent interaction experience across doors, chests, harvestable resources, puzzles, terminals, and destructible foliage, this plugin provides the foundation.

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## What You Get

- A complete interaction framework (C++ plugin) that works with both Blueprint and C++ projects

- Multiple interaction styles out of the box (press, hold, hit points, button mashing)

- Built-in UI workflow: data/state structs feeding a screen-space widget near the focused target

- Optional outline highlight for both Actors and foliage instances

- Data-driven foliage interaction (configure meshes in Project Settings)

- Interaction effects pipeline (shake/pulse/material/sound) reusable across interactables

- SaveGame helpers to persist interaction state (foliage removal + actor state + custom SaveGame variables)

- Full documentation website included inside the plugin + online docs link

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## Feature List

- 4 interaction methods: press, hold-to-complete, hit-points, button mashing

- Per-interactable HitPoints behavior: choose whether “interaction” triggers on press or only when HP reaches 0

- Target selection + focus: direct trace + multi-trace fallback with smart scoring (distance + look alignment)

- Filtering & priorities: whitelist/blacklist/tag query support + priority weights

- Multiplayer-ready flows: server-authoritative execution, cooldown handling, and configurable server validation modes

- Co-op hold interactions: min/max players + speed multiplier support

- Foliage interaction (data-driven): turn specific Static Mesh foliage into interactables via Project Settings

- Foliage replication + respawn: removed instances replicate and can respawn on a timer

- Outline + widget support: optional outline highlight and a screen-space interaction widget near the target

- Interaction effects (feedback): plug-and-play effects component + per-foliage effects configuration

- SaveGame pipeline (optional):

  - persist removed foliage instances (StaticMesh + Location)

  - persist per-actor interaction state (HP, deny/blocked, interactable enabled)

  - persist any custom variables marked `UPROPERTY(SaveGame)` on actors/components

  - stable IDs via `SaveKey` + destroyed actor tracking

- Extensible design: clean C++ base types with Blueprint events/delegates + optional saveable interface

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## Links

- Docs (initial setup and full setup): https://emanueldev.solumnet.com/docs/

- Fab Seller Page: https://www.fab.com/sellers/Emanuel_Dev

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Requirements:

• Requires the Enhanced Input plugin (enabled by default in Unreal Engine 5, you can disable it if you want).
  

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