From 87a44bafc9b9c6d9dff307ff823de0cd0ad33e80 Mon Sep 17 00:00:00 2001
From: ZappoMan <bradh@konamoxt.com>
Date: Mon, 28 Oct 2013 12:37:47 -0700
Subject: [PATCH] added population data back for SIMPLE_CHILD_ARRAY
 implementation

---
 libraries/voxels/src/VoxelNode.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libraries/voxels/src/VoxelNode.cpp b/libraries/voxels/src/VoxelNode.cpp
index 456a2d8e58..3eb6047242 100644
--- a/libraries/voxels/src/VoxelNode.cpp
+++ b/libraries/voxels/src/VoxelNode.cpp
@@ -690,12 +690,23 @@ void VoxelNode::deleteAllChildren() {
 
 void VoxelNode::setChildAtIndex(int childIndex, VoxelNode* child) {
 #ifdef SIMPLE_CHILD_ARRAY
+    int previousChildCount = getChildCount();
     if (child) {
         setAtBit(_childBitmask, childIndex);
     } else {
         clearAtBit(_childBitmask, childIndex);
     }
+    int newChildCount = getChildCount();
+
+    // store the child in our child array
     _simpleChildArray[childIndex] = child;
+
+    // track our population data
+    if (previousChildCount != newChildCount) {
+        _childrenCount[previousChildCount]--;
+        _childrenCount[newChildCount]++;
+    }
+
 #else
     PerformanceWarning warn(false,"setChildAtIndex",false,&_setChildAtIndexTime,&_setChildAtIndexCalls);