From d09e607bfc96efbee70f55659fb582bb04d4b2d6 Mon Sep 17 00:00:00 2001
From: adia redmoon <dialupdoll@outlook.com>
Date: Tue, 2 Apr 2024 09:44:54 -0700
Subject: [PATCH] add needs_update modification upon oct-tree edit

---
 src/vvlib/octtree.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/vvlib/octtree.rs b/src/vvlib/octtree.rs
index 25c0ee8..633435a 100644
--- a/src/vvlib/octtree.rs
+++ b/src/vvlib/octtree.rs
@@ -130,6 +130,7 @@ impl<T: Clone> OctTree<T> {
             let mut count: usize = 0;
             Self::prune(&mut self.root, result.unwrap().1, &mut count);
             self.trim(&mut count);
+            self.needs_update = true;
             return count;
         } else {
             return 0; // no culled leaves
@@ -204,6 +205,7 @@ impl<T: Clone> OctTree<T> {
             match &mut self.root {
                 TreeNode::Leaf(nvalue) => {
                     *nvalue = value;
+                    self.needs_update = true;
                     return true;
                 }
                 _ => {
@@ -226,6 +228,7 @@ impl<T: Clone> OctTree<T> {
         match &mut iter {
             TreeNode::Leaf(nvalue) => {
                 *nvalue = value;
+                self.needs_update = true;
                 return true;
             }
             _ => {
@@ -241,6 +244,7 @@ impl<T: Clone> OctTree<T> {
                 self.center = location;
                 self.size = 1;
                 self.root = TreeNode::Leaf(value);
+                self.needs_update = true;
                 return Default::default();
             }
             _ => {} // continue to modify the tree structure - no easy answer yet
@@ -318,6 +322,7 @@ impl<T: Clone> OctTree<T> {
                         );
                         let end = TreeNode::Leaf(value.clone());
                         *next_rc_loc = end;
+                        self.needs_update = true;
                         return path;
                     }
                     match next_rc_loc {
@@ -331,6 +336,7 @@ impl<T: Clone> OctTree<T> {
                                     "value set {location} within {rc_center}, {rc_size}, index {search_direction}"
                                 );
                                 *lvalue = value.clone();
+                                self.needs_update = true;
                                 return path;
                             }
                         }
@@ -348,6 +354,7 @@ impl<T: Clone> OctTree<T> {
                             "value set {location} within {rc_center}, {rc_size}, index {search_direction}"
                         );
                         *lvalue = value;
+                        self.needs_update = true;
                         return path;
                     } else {
                         println!("tree edited to contain non-unit node size. returning instead of losing data");