Method write

perro_source/runtime_project/perro_scene/src/scene_doc.rs:124–157

(&self)

        } else {
            HashMap::new()
        };
        Self { doc, value_vars }
    }

    fn write(&self) -> String {
        let mut out = String::new();
        if let Some(root) = &self.doc.scene.root {
            out.push_str("$root = ");
            out.push('@');
            out.push_str(self.doc.scene.key_name_or_id(*root).as_ref());
            out.push('\n');
        }

        let mut dedupe_items = self
            .value_vars
            .iter()
            .map(|(value, name)| (name.as_str(), value.as_str()))
            .collect::<Vec<_>>();
        dedupe_items.sort_by(|a, b| a.0.cmp(b.0));
        for (name, value) in dedupe_items {
            out.push('$');
            out.push_str(name);
            out.push_str(" = ");
            out.push_str(value);
            out.push('\n');
        }

        if !out.is_empty() {
            out.push('\n');
        }

        for node in self.doc.scene.nodes.iter() {
            self.write_node(node, &mut out);
            out.push('\n');
        }

        out