Method pre_bg

src/script.rs:212–214

(&mut self)

        self.timeline.insert_background(index, command);
    }

    pub(crate) fn insert_bgm(&mut self, index: usize, bgm: String) {
        self.timeline.insert_bgm(index, bgm);
    }

    pub(crate) fn insert_choice(&mut self, index: usize, choices: HashMap<String, Label>) {