build out MarkerNode class

voxel/src/MarkerNode.cpp

@@ -7,3 +7,28 @@
 //
 
 #include "MarkerNode.h"
+
+MarkerNode::MarkerNode() {
+    for (int i = 0; i < 8; i++) {
+        children[i] = NULL;
+    }
+    
+    visitedMask = 0;
+}
+
+MarkerNode::~MarkerNode() {
+    for (int i = 0; i < 8; i++) {
+        delete children[i];
+    }
+}
+
+MarkerNode::MarkerNode(const MarkerNode &otherMarkerNode) {
+    visitedMask = otherMarkerNode.visitedMask;
+    
+    // recursively copy the children marker nodes
+    for (int i = 0; i < 8; i++) {
+        if (children[i] != NULL) {
+            children[i] = new MarkerNode(*otherMarkerNode.children[i]);
+        }
+    }
+}

voxel/src/MarkerNode.h

@@ -11,4 +11,14 @@
 
 #include <iostream>
 
+class MarkerNode {
+public:
+    MarkerNode();
+    ~MarkerNode();
+    MarkerNode(const MarkerNode &otherMarkerNode);
+    
+    unsigned char childrenVisitedMask;
+    MarkerNode *children[8];
+};
+
 #endif /* defined(__hifi__MarkerNode__) */