adding tree node classes, updated addChild() and added addChildren() to Node

git-svn-id: svn://anubis/fart/trunk@107 7f9b0f55-74a9-4bce-be96-3c2cd072584d

parser/nodes.cc

@@ -0,0 +1,14 @@
+
+#include "nodes.h"
+#include <vector>
+using namespace std;
+
+void Node::addChildren(refptr<Node> other)
+{
+    for (typeof(other.m_children)::const_iterator it = other.m_children.begin();
+         it != other.m_children.end();
+         it++)
+    {
+        addChild(*it);
+    }
+}

parser/nodes.h

@@ -8,6 +8,9 @@ class Node
 {
     public:
         void addChild(refptr<Node> child) { m_children.push_back(child); }
+        void addChildren(refptr<Node> other);
+
+        virtual void process(refptr<Scene> scene) {}
 
         virtual refptr<Material> getMaterial()
         {
@@ -18,7 +21,7 @@ class Node
         std::vector< refptr<Node> > m_children;
 };
 
-class SceneNode
+class SceneItemsNode : public Node
 {
 };
 

parser/parser.yy

@@ -329,9 +329,9 @@ plane_items: shape_items { $$ = $1; }
 
 scene_items: /* empty */
            | scene_item scene_items {
-                $$ = new Node();
+                $$ = new SceneItemsNode();
-                $$->the_Node = $1;
+                $$->addChild($1);
-                $$->the_tail = $2;
+                $$->addChildren($2);
             }
            ;