Function rebuild_preview

perro_editor/res/scripts/scene/editor_viewport.rs:735–766

(ctx: &mut ScriptContext<'_, API>)

            refresh_all(ctx);
        }
        Some(path) => {
            reload_scene_path(ctx, &path);
        }
        None => {
            if res_changed {
                refresh_all(ctx);
            } else {
                refresh_status(ctx);
            }
        }
    }
}

#[derive(Debug, PartialEq, Eq)]
enum ProjectSceneChange {
    Conflict(Vec<String>),
    ReloadActive(String),
    ReloadPreview,
    Notice,
}

fn project_scene_change(
    changed: &[String],
    active: Option<&str>,
    active_dirty: bool,
    preview: &[String],
    dirty: &[String],
) -> ProjectSceneChange {
    let conflicts = changed
        .iter()
        .filter(|path| {
            dirty.iter().any(|item| item == *path)
                || (active_dirty && active == Some(path.as_str()))
        })
        .cloned()