Add CAnimationDatabaseGame

Former-commit-id: 1f30508cd3

include/rstl/iterator.hpp

@@ -0,0 +1,30 @@
+#ifndef _RSTL_ITERATOR
+#define _RSTL_ITERATOR
+
+namespace rstl {
+
+struct input_iterator_tag {};
+struct output_iterator_tag {};
+struct forward_iterator_tag : public input_iterator_tag {};
+struct bidirectional_iterator_tag : public forward_iterator_tag {};
+struct random_access_iterator_tag : public bidirectional_iterator_tag {};
+
+template < typename It >
+typename It::difference_type __distance(It first, It last, forward_iterator_tag) {
+  typename It::difference_type result = 0;
+  It it = first;
+  while (it != last) {
+    ++result;
+    ++it;
+  }
+  return result;
+}
+
+template < typename It >
+typename It::difference_type distance(It first, It last) {
+  return __distance(first, last, typename It::iterator_category());
+}
+
+} // namespace rstl
+
+#endif // _RSTL_ITERATOR