From 9e5f782eb228a6b050b01d5c4c82dba1399f7172 Mon Sep 17 00:00:00 2001
From: Silas Bartha <silas@exvacuum.dev>
Date: Sat, 15 Feb 2025 20:53:19 -0500
Subject: directory-aware navigation

---
 src/observers.rs | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

(limited to 'src/observers.rs')

diff --git a/src/observers.rs b/src/observers.rs
index bd1d1a6..faa4749 100644
--- a/src/observers.rs
+++ b/src/observers.rs
@@ -7,9 +7,17 @@ use notify::{
 };
 
 use crate::{
-    cache::DirworldCache, components::{DirworldEntity, Persist}, events::{DirworldChangeRoot, DirworldEnterRoom, DirworldLeaveRoom}, preload::{load_entity, PreloadState, RoomAssets}, resources::{
-        DirworldCodecs, DirworldCurrentDir, DirworldObservers, DirworldRootDir,
-    }, utils::{despawn_entity_by_path, extract_entity_payload}, DirworldWatcherEvent
+    cache::DirworldCache,
+    components::{DirworldEntity, Persist},
+    events::{
+        DirworldChangeRoot, DirworldEnterRoom, DirworldLeaveRoom, DirworldNavigationComplete,
+    },
+    preload::{load_entity, DirworldPreloadBegin, PreloadState, RoomAssets},
+    resources::{
+        DirworldCodecs, DirworldCurrentDir, DirworldObservers, DirworldRootDir, DirworldTasks,
+    },
+    utils::{despawn_entity_by_path, extract_entity_payload},
+    DirworldWatcherEvent,
 };
 
 /// On navigation from a room, insert modified payloads into the cache
@@ -35,11 +43,16 @@ pub fn navigate_to_room(
     codecs: Res<DirworldCodecs>,
     mut commands: Commands,
     mut event_writer: EventWriter<DirworldEnterRoom>,
+    mut preload_event_writer: EventWriter<DirworldPreloadBegin>,
     mut current_dir: ResMut<DirworldCurrentDir>,
     mut next_preload_state: ResMut<NextState<PreloadState>>,
     mut room_assets: ResMut<RoomAssets>,
+    mut dirworld_tasks: ResMut<DirworldTasks>,
 ) {
-    let path = &trigger.event().0;
+    let DirworldEnterRoom {
+        exited: old_path,
+        entered: path,
+    } = &trigger.event();
 
     let room_payload = extract_entity_payload(&path.join(".door"), &codecs).0;
     *current_dir = DirworldCurrentDir {
@@ -60,6 +73,7 @@ pub fn navigate_to_room(
                 root_dir
                     .clone()
                     .map(|root_dir| {
+                        info!("Root: {root_dir:?}, Path: {path:?}");
                         if root_dir == *path {
                             None
                         } else {
@@ -75,6 +89,7 @@ pub fn navigate_to_room(
         }
     };
 
+    dirworld_tasks.insert("Loading Room".into(), None);
     for entry in entries {
         load_entity(
             &entry,
@@ -86,6 +101,7 @@ pub fn navigate_to_room(
             &mut room_assets,
         );
     }
+    preload_event_writer.send(DirworldPreloadBegin { old_path: old_path.clone(), path: path.clone() });
     event_writer.send(trigger.event().clone());
 }
 
@@ -161,9 +177,12 @@ pub fn change_root(
         commands.trigger(DirworldLeaveRoom(old_dir.to_path_buf()));
     };
 
-    let new_root = &trigger.event().0;
+    let new_root = &trigger.event().0.canonicalize().unwrap();
     info!("Changing Root to {}", new_root.display());
     **root_dir = Some(new_root.to_path_buf());
 
-    commands.trigger(DirworldEnterRoom(new_root.to_path_buf()));
+    commands.trigger(DirworldEnterRoom {
+        exited: new_root.to_path_buf(),
+        entered: new_root.to_path_buf(),
+    });
 }
-- 
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