1 files changed, 31 insertions, 0 deletions
diff --git a/intern/container/CTR_Map.h b/intern/container/CTR_Map.h
index cbd67fdeaca..1991ec19e3a 100644
--- a/intern/container/CTR_Map.h
+++ b/intern/container/CTR_Map.h
@@ -55,6 +55,19 @@ public:
             m_buckets[i] = 0;
         }
     }
+
+	CTR_Map(const CTR_Map& map)
+	{
+		m_num_buckets = map.m_num_buckets;
+		m_buckets = new Entry *[m_num_buckets];
+
+		for (int i = 0; i < m_num_buckets; ++i) {
+			m_buckets[i] = 0;
+
+			for(Entry *entry = map.m_buckets[i]; entry; entry=entry->m_next)
+				insert(entry->m_key, entry->m_value);
+		}
+	}
     
     int size() { 
         int count=0;
@@ -87,6 +100,24 @@ public:
         }
         return 0;
     }
+
+    Key* getKey(int index) {
+        int count=0;
+        for (int i=0;i<m_num_buckets;i++)
+        {
+            Entry* bucket = m_buckets[i];
+            while(bucket)
+            {
+                if (count==index)
+                {
+                    return &bucket->m_key;
+                }
+                bucket = bucket->m_next;
+                count++;
+            }
+        }
+        return 0;
+    }
     
     void clear() {
         for (int i = 0; i < m_num_buckets; ++i) {