Unreal Engine nvim wrapper for ue4cli (Completion + Debugger with vimspect)

gistfile1.txt

# #!/usr/bin/env bash
# Based on https://gist.github.com/chillpert/1a76ae8e9cfafb36d3bf9e343d32fedc

# Expand ue4cli
ue() {
	ue4cli=$(which ue4)
	engine_path=$($ue4cli root)
  UPROJECT_PATH=$(realpath $(find . -name *.uproject))
  DEBUG_BINARY_PATH="/Users/Shared/Epic Games/UE_5.3/Engine/Binaries/Mac/UnrealEditor-Mac-DebugGame.app/Contents/MacOS/UnrealEditor-Mac-DebugGame"
  project_name=$(basename "$UPROJECT_PATH" | sed 's/.uproject//')

  if [[ -z "$UPROJECT_PATH" ]]; then
    echo "Please run this script from the root of your project."
    echo "No uproject file found in current directory"
    return 1
  fi

    	# cd to ue location
	if [[ "$1" == "engine" ]]; then
		cd $engine_path
   	# combine clean and build in one command
	elif [[ "$1" == "rebuild" ]]; then
		$ue4cli clean
		$ue4cli build 
		if [[ "$2" == "run" ]]; then
			$ue4cli run
		fi
    	# build and optionally run while respecting build flags
	elif [[ "$1" == "build" ]]; then
		if [[ "${@: -1}" == "run" ]]; then
			length="$(($# - 2))" # Get length without last param because of 'run'
			$ue4cli build ${@:2:$length}
			$ue4cli run
		else
			shift 1
			$ue4cli build "$@"
		fi
    # Build debug version
	elif [[ "$1" == "debug" ]]; then
		$ue4cli build DebugGame -waitmutex

    # Run project files generation, create a symlink for the compile database and fix-up the compile database
	elif [[ "$1" == "gen" ]]; then
		$ue4cli gen
		project=${PWD##*/}
    rm compile_commands.json	
		ln -s ".vscode/compileCommands_${project}.json" compile_commands.json	
    # write cflags to file
    cat <<EOF > clang-flags.txt
-std=c++20
-ferror-limit=0
-Wall
-Wextra
-Wpedantic
-Wshadow-all
-Wno-unused-parameter
EOF



    cat <<EOF > .vimspector.json
{
  "configurations": {
    "Launch": {
      "adapter": "vscode-cpptools",
      "configuration": {
        "request": "launch",
        "program": "$DEBUG_BINARY_PATH",
        "args": [ "$UPROJECT_PATH" ],
        "cwd": "$engine_path",
        "externalConsole": false,
        "MIDebuggerPath": "/usr/bin/lldb",
        "targetArchitecture": "arm64",
        "MIMode": "lldb"
      }
    }
  }
}
EOF
    replace_string="clang++\"\,\n\t\t\t\"@$(pwd)/clang-flags.txt\"\,"
    gsed -i -e "s,clang++\"\,,$replace_string,g" compile_commands.json
  # Generate ctags for project and optionally the engine itself with `ue ctags` and `ue ctags engine` respectively.
	elif [[ "$1" == "ctags" ]]; then
	        if [[ "$2" == "engine" ]]; then
            		echo "Generating ctags database for unreal engine"
            		`brew --prefix`/bin/ctags -R --c++-kinds=+p --fields=+iaS --extras=+q --languages=C++ "$engine_path/Engine/Source"
			echo "Generation completed."
        	fi

		echo "Generating ctags database in current directory ..."
		`brew --prefix`/bin/ctags -R Source
		echo "Generation completed."
    	# Pass through all other commands to ue4
	else
		$ue4cli "$@"
	fi
}
ue $@