UCX (Unreal Script Extensions)

Dedicated language support and tooling UnrealScript, with primary focus on UT99.

VsCode Features

• language:
  • goto definition (Ctrl-Click)
  • find symbols (Ctrl-P @ and Ctrl-P # or Ctrl-T)
  • folding support for defaultproperties, states, labels, replication
  • completion support for methods (partially working)
  • function signature support
  • class hierarcy: (right click on class & select Show Type Hierarchy)
• formatter:
  • automatic indentation
  • operator spacing
  • keyword casing
  • other spacing / newline rules
  • remove redundant default properties
• diagnostics:
  • detect syntax parse errors
  • semicolon completion
• highlight:
  • textmate grammar
  • semantic syntax highlighting

CLI Features

• lint command
  • runs all checks for given folder or file errors/warning messages inside with file paths and syntax highlighting, great as automated check for PRs
• build command
  • can be used build system for your unreal script projects
    • can auto generate ini file for build
    • copies files into temporary build folder
    • runs ucc build
  • language extensions
    • moves all code files into Classes subdir, this enables having folder in sources for better project organization while flattening the structure so that its compatible with ucc make
    • basic constant folding
• wrapper for any ucc command
  • path to UCC configured via env or cli argument
  • supports windows/linux/wine

Installation

• VsCode/Codium extension available
  • Open VSX Registry
  • Visual Studio Marketplace
• Command line tool avaliable via npm
  • requires nodejs
  • recommended install globally npm i -g ucx@latest
    • may need sudo on linux
  • recommended env var UCC_PATH=path_to_ut99/System/UCC.exe

Enjoy!