1. Features & Improvements (WIP)

While Nightmare Vision is a fork of Psych Engine 0.5.2h, the codebase has been heavily modified to expand on soft-coding and to improve performance, as well as improving upon preexisting features. There are numerous differences to Nightmare Vision that set it apart from Psych, but here are the highlights.

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Key Differences

UI

Feature	Psych Engine	Nightmare Vision
Chart Editor
Character Editor
Song Metadata Editor	N/A

File Structure

The file structure in Nightmare Vision has been reorganized to be more concise and to make more sense. Here is a comparison between Psych's and NMV's mod folder structure.

Psych Engine	Nightmare Vision
YourMod ├── characters ├── custom_events ├── custom_notetypes ├── data │ ├── your-song(json) ├── images │ └── icons ├── scripts ├── songs │ └── your-song(ogg) └── stages └── your-stage.lua └── your-stage.json └── weeks	YourMod ├── data │ ├── events │ ├── noteskins │ ├── notetypes │ └── weeks ├── images │ └── ui │ └── icons ├── scripts │ ├── states │ └── substates ├── songs │ └── your-song │ ├── audio │ └── charts └── stages └── your-stage

If you want a more detailed view of NMV's file structure, please see Basic Set-up: File Organization.

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Other Features and Improvements

Nightmare Vision has a myriad of other differences that set it apart from Psych Engine. To list a few:

Improvements

• New input system (with native gamepad support)
• BetterTextureAtlas support via flixel-animate
• Optimized memory usage
• Uses base game's optimized libraries
• Rewritten editors with new UI

New Features

• Scriptable objects via Hscript (including but not limited to)
  • Custom menus and HUDs
  • Characters
  • Notes and note skins
  • Stages
  • Song events
  • See Scripting for more information
• Robust modcharting system
  • See Modchart Modifiers for more information