From a3a6e4af78160a3d3793a4ff9065d83455967998 Mon Sep 17 00:00:00 2001
From: Kearwood Gilbert <kearwood@kearwood.com>
Date: Sun, 24 Aug 2014 22:18:04 -0700
Subject: [PATCH] Behaviours can now be serialized in from the scene graph xml

---
 KREngine/kraken/KRBehavior.cpp | 22 +++++++++++++++++++++-
 KREngine/kraken/KRBehavior.h   |  8 ++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/KREngine/kraken/KRBehavior.cpp b/KREngine/kraken/KRBehavior.cpp
index 7830959..cfd77cc 100644
--- a/KREngine/kraken/KRBehavior.cpp
+++ b/KREngine/kraken/KRBehavior.cpp
@@ -9,6 +9,8 @@
 #include "KRBehavior.h"
 #include "KRNode.h"
 
+KRBehaviorFactoryFunctionMap m_factoryFunctions;
+
 KRBehavior::KRBehavior()
 {
     __node = NULL;
@@ -42,5 +44,23 @@ KRBehavior *KRBehavior::LoadXML(KRNode *node, tinyxml2::XMLElement *e)
         attributes[attribute->Name()] = attribute->Value();
     }
     
-    return NULL;
+    const char *szElementName = e->Attribute("type");
+    if(szElementName == NULL) {
+        return NULL;
+    }
+    KRBehaviorFactoryFunctionMap::const_iterator itr = m_factoryFunctions.find(szElementName);
+    if(itr == m_factoryFunctions.end()) {
+        return NULL;
+    }
+    return (*itr->second)(attributes);
+}
+
+void KRBehavior::RegisterFactoryCTOR(std::string behaviorName, KRBehaviorFactoryFunction fnFactory)
+{
+    m_factoryFunctions[behaviorName] = fnFactory;
+}
+
+void KRBehavior::UnregisterFactoryCTOR(std::string behaviorName)
+{
+    m_factoryFunctions.erase(behaviorName);
 }
diff --git a/KREngine/kraken/KRBehavior.h b/KREngine/kraken/KRBehavior.h
index d7cd91f..a1719f9 100644
--- a/KREngine/kraken/KRBehavior.h
+++ b/KREngine/kraken/KRBehavior.h
@@ -10,6 +10,7 @@
 #define KRBEHAVIOR_H
 
 #include "tinyxml2.h"
+#include <map>
 
 /*
 
@@ -17,11 +18,18 @@
  
 */
 
+class KRBehavior;
 class KRNode;
 
+typedef KRBehavior *(*KRBehaviorFactoryFunction)(std::map<std::string, std::string> attributes);
+typedef std::map<std::string, KRBehaviorFactoryFunction> KRBehaviorFactoryFunctionMap;
+
 class KRBehavior
 {
 public:
+    static void RegisterFactoryCTOR(std::string behaviorName, KRBehaviorFactoryFunction fnFactory);
+    static void UnregisterFactoryCTOR(std::string behaviorName);
+    
     KRBehavior();
     virtual ~KRBehavior();
     KRNode *getNode() const;