slowly getting tracktion again

src/scene/tests/pwscene_test_traverser.cpp

@@ -0,0 +1,45 @@
+#include <pw/core/vector.hpp>
+#include <pw/core/serialize.hpp>
+#include <pw/scene/node.hpp>
+#include <pw/scene/transform.hpp>
+#include <pw/scene/nodepath.hpp>
+//#include <pw/scene/traverser.hpp>
+
+#include <iostream>
+
+struct test_visitor : pw::node::visitor {
+	virtual void enter(pw::node *n) override;
+	virtual void leave(pw::node *n) override;
+};
+
+void test_visitor::enter(pw::node *n)
+{
+	std::cout << n->name() << " " << n->is_leaf() << std::endl;
+}
+
+void test_visitor::leave(pw::node *n)
+{
+}
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+	using namespace pw;
+
+	node::ref root(std::make_shared<node>("root"));
+	root->add_child(std::make_shared<node>("sub-1"));
+
+	node::ref sub_2_1 = std::make_shared<node>("sub-2-1");
+
+	root->add_child(std::make_shared<node>("sub-2"))->add_child(std::make_shared<node>("sub-2-1"));
+	root->add_child(std::make_shared<node>("sub-3"))->add_child(sub_2_1);
+
+	std::cout << "sub-2-1 parent count: " << sub_2_1->parents().size() << std::endl;
+
+	test_visitor tv;
+
+	root->visit(tv);
+
+	return 0;
+}