From 0f4da55509e40b69d07e0dbbb5faa7e7008dcca0 Mon Sep 17 00:00:00 2001
From: Nolan Darilek <nolan@thewordnerd.info>
Date: Tue, 1 Mar 2022 11:30:48 -0600
Subject: [PATCH] Remove calculating task at time of creation to avoid needing
 a separate system.

---
 src/pathfinding.rs | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/src/pathfinding.rs b/src/pathfinding.rs
index 4079e66..a64698a 100644
--- a/src/pathfinding.rs
+++ b/src/pathfinding.rs
@@ -240,6 +240,7 @@ fn calculate_path(
             });
             commands
                 .entity(entity)
+                .remove::<Calculating>()
                 .insert(Calculating(task))
                 .remove::<Path>()
                 .remove::<NoPath>();
@@ -324,15 +325,6 @@ fn negotiate_path(
     }
 }
 
-fn remove_calculating(
-    mut commands: Commands,
-    query: Query<Entity, (Changed<Destination>, With<Calculating>)>,
-) {
-    for entity in query.iter() {
-        commands.entity(entity).remove::<Calculating>();
-    }
-}
-
 pub struct PathfindingPlugin;
 
 impl Plugin for PathfindingPlugin {
@@ -340,7 +332,6 @@ impl Plugin for PathfindingPlugin {
         app.add_system(calculate_path)
             .add_system_to_stage(CoreStage::PostUpdate, remove_destination)
             .add_system(poll_tasks)
-            .add_system(negotiate_path)
-            .add_system_to_stage(CoreStage::PostUpdate, remove_calculating);
+            .add_system(negotiate_path);
     }
 }