public Scene LoadScene(string fileName)
{
_scene = new SimpleScene();
_scene.Camera = new TargetedCamera();
_material = new Material();
_transforms = new Stack<Matrix>();
_transforms.Push(Matrix.Identity);
StreamReader reader = new StreamReader(fileName);
while (!reader.EndOfStream)
{
string line = reader.ReadLine().Trim();
if (string.IsNullOrEmpty(line) || line.StartsWith("#"))
{
continue;
}
ProcessLine(line.Split(' ').Where(t => !string.IsNullOrEmpty(t)).ToArray());
}
return _scene;
}
private void LoadScene()
{
XElement sceneElement = _document.XPathSelectElement("//c:library_visual_scenes/c:visual_scene", _nsMgr);
_scene = new Scene
{
Id = sceneElement.Attribute("id").Value,
Name = sceneElement.Attribute("name").Value
};
foreach (var nodeElement in sceneElement.Elements(Ns + "node"))
{
XElement instanceElement = nodeElement.XPathSelectElement("*[contains(local-name(),'instance_')]", _nsMgr);
string instanceType = instanceElement.Name.LocalName;
string instanceUrl = instanceElement.Attribute("url").Value.Substring(1);
switch (instanceType)
{
case "instance_camera":
{
Camera camera = new Camera();
ReadNodeInfo(camera, nodeElement);
ReadNodeTransform(camera, nodeElement);
ReadCameraInfo(camera, instanceUrl);
_scene.Nodes.Add(camera);
break;
}
case "instance_light":
{
Light light = ReadLight(instanceUrl);
ReadNodeInfo(light, nodeElement);
ReadNodeTransform(light, nodeElement);
_scene.Nodes.Add(light);
break;
}
case "instance_geometry":
{
MeshGeometry mesh = new MeshGeometry();
ReadNodeInfo(mesh, nodeElement);
ReadNodeTransform(mesh, nodeElement);
ReadMesh(mesh, instanceUrl);
_scene.Nodes.Add(mesh);
break;
}
}
}
}
public RayTracer(Scene scene)
{
_scene = scene;
}