Added the ASSIMP library

Added the files provided for the tutorial
Added the SplitMeshNode and SubMeshNode classes

Graphics2/SceneGraph.cpp

@@ -0,0 +1,80 @@
+#include "SceneGraph.h"
+
+bool SceneGraph::Initialise()
+{
+	bool currentStatus = true;
+
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		currentStatus = currentSceneGraphPtr->Initialise();
+		if (!currentStatus)
+		{
+			break;
+		}
+	}
+
+	return currentStatus;
+}
+
+void SceneGraph::Update(FXMMATRIX& currentWorldTransformation)
+{
+	SceneNode::Update(currentWorldTransformation);
+
+	XMMATRIX combinedWorldTransform = XMLoadFloat4x4(&_combinedWorldTransformation);
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		currentSceneGraphPtr->Update(combinedWorldTransform);
+	}
+}
+
+void SceneGraph::Render()
+{
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		currentSceneGraphPtr->Render();
+	}
+}
+
+void SceneGraph::Shutdown()
+{
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		currentSceneGraphPtr->Shutdown();
+	}
+}
+
+void SceneGraph::Add(SceneNodePointer node)
+{
+	_children.push_back(node);
+}
+
+void SceneGraph::Remove(SceneNodePointer node)
+{
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		if (currentSceneGraphPtr == node)
+		{
+			_children.remove(currentSceneGraphPtr);
+			return;
+		}
+	}
+}
+
+SceneNodePointer SceneGraph::Find(wstring name)
+{
+	if (_name == name)
+	{
+		return shared_from_this();
+	}
+	
+	SceneNodePointer foundValue = nullptr;
+	for (SceneNodePointer& currentSceneGraphPtr : _children)
+	{
+		foundValue = currentSceneGraphPtr->Find(name);		
+		if (foundValue != nullptr)
+		{
+			break;
+		}
+	}
+	return foundValue;
+}