activate-env

script_basepath() {
    if test -n "$BASH" ; then filepath=$BASH_SOURCE
    elif test -n "$TMOUT"; then filepath=${.sh.file}
    elif test -n "$ZSH_NAME" ; then filepath=${(%):-%x}
    elif test ${0##*/} = dash; then x=$(lsof -p $$ -Fn0 | tail -1); filepath=${x#n}
    else filepath=$0
    fi

    filepath=$(readlink -f "${filepath}")
    dirpath=$(dirname "${filepath}")

    echo $(cd "${dirpath}" && pwd)
}

deactivate-env() {
    _remove_path_entry() {
        target_path="$1"
        cleaned_path=""
        old_ifs="$IFS"
        segment=""

        IFS=':'
        for segment in $PATH; do
            if [ "$segment" = "$target_path" ] || [ -z "$segment" ]; then
                continue
            fi

            if [ -z "$cleaned_path" ]; then
                cleaned_path="$segment"
            else
                cleaned_path="$cleaned_path:$segment"
            fi
        done
        IFS="$old_ifs"

        PATH="$cleaned_path"
    }

    if [ -z "$TDO_DEVKIT_PATH" ]; then
        echo "3DO development environment not activated."
        return 1
    fi

    if [ -n "$MSYSTEM" ] || [[ "$OSTYPE" == *msys* ]]; then
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/buildtools/win"
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/tools/win"
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/compiler/win"
    else
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/buildtools/linux"
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/tools/linux"
        _remove_path_entry "$TDO_DEVKIT_PATH/bin/compiler/linux"
    fi
    unset -f _remove_path_entry
    export PATH
    unset TDO_DEVKIT_PATH
    unset -f deactivate-env
    echo "3DO development environment deactivated."
}

if [ -z "$TDO_DEVKIT_PATH" ]; then
    if [ -f ".devkit-path" ]; then
        basepath=$(cat .devkit-path)
    else
        basepath=$(script_basepath)
    fi
    export TDO_DEVKIT_PATH="$basepath"

    if [ -n "$MSYSTEM" ] || [[ "$OSTYPE" == *msys* ]]; then
        export PATH="$basepath/bin/compiler/win:$PATH"
        export PATH="$basepath/bin/tools/win:$PATH"
        export PATH="$basepath/bin/buildtools/win:$PATH"
    else
        export PATH="$basepath/bin/compiler/linux:$PATH"
        export PATH="$basepath/bin/tools/linux:$PATH"
        export PATH="$basepath/bin/buildtools/linux:$PATH"
    fi
fi

if command -v armcc >/dev/null 2>&1; then
    echo "3DO development environment activated. Run 'deactivate-env' to deactivate."
else
    echo "Error: Activation failed. armcc not found in PATH."
    if [ -f ".devkit-path" ]; then
        echo "Note: .devkit-path contains: $basepath"
        echo "If this path is wrong, update .devkit-path."
    fi
fi