From 61f32eca77bcf93e25d609987cddb72cc2bbc0f8 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sun, 15 Jul 2012 15:23:49 -0700
Subject: [PATCH] Add methods to get a node's local and full transform as a 4x4
 matrix

---
 components/nif/nif_file.cpp | 14 ++++++++++++++
 components/nif/node.hpp     |  5 +++++
 2 files changed, 19 insertions(+)

diff --git a/components/nif/nif_file.cpp b/components/nif/nif_file.cpp
index 231349302..789bae5e3 100644
--- a/components/nif/nif_file.cpp
+++ b/components/nif/nif_file.cpp
@@ -210,3 +210,17 @@ void NiSkinInstance::post(NIFFile *nif)
         bones[i]->makeBone(i, data->bones[i]);
     }
 }
+
+Ogre::Matrix4 Node::getLocalTransform()
+{
+    Ogre::Matrix4 mat4;
+    mat4.makeTransform(trafo.pos, Ogre::Vector3(trafo.scale), Ogre::Quaternion(trafo.rotation));
+    return mat4;
+}
+
+Ogre::Matrix4 Node::getWorldTransform()
+{
+    if(parent != NULL)
+        return getLocalTransform() * parent->getWorldTransform();
+    return getLocalTransform();
+}
diff --git a/components/nif/node.hpp b/components/nif/node.hpp
index 1f1b91a46..f7d3c6e96 100644
--- a/components/nif/node.hpp
+++ b/components/nif/node.hpp
@@ -24,6 +24,8 @@
 #ifndef _NIF_NODE_H_
 #define _NIF_NODE_H_
 
+#include <OgreMatrix4.h>
+
 #include "controlled.hpp"
 #include "data.hpp"
 #include "property.hpp"
@@ -108,6 +110,9 @@ public:
         boneTrafo = &bi.trafo;
         boneIndex = ind;
     }
+
+    Ogre::Matrix4 getLocalTransform();
+    Ogre::Matrix4 getWorldTransform();
 };
 
 struct NiNode : Node