filled out Scene::processPlane()

git-svn-id: svn://anubis/fart/trunk@166 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene-load.cc

@@ -265,8 +265,39 @@ refptr<Light> Scene::processLight(refptr<Node> node)
 
 refptr<Shape> Scene::processPlane(refptr<Node> node)
 {
-    /* TODO: finish */
+    Vector normal(0, 0, 1);
-    return refptr<Shape>(NULL);
+    double dist = 0;
+    refptr<Material> material;
+
+    bool restore_transform = processTransforms(node);
+
+    for (Node_Iterator it = node->getChildren().begin();
+         it != node->getChildren().end();
+         it++)
+    {
+        if      ( typeid(**it) == typeid(PlanePositionNode) )
+        {
+            normal = *(*it)->getVector();
+            dist = (*it)->getNumber();
+        }
+        else if ( typeid(**it) == typeid(MaterialNode) )
+        {
+            material = processMaterial(*it);
+        }
+    }
+
+    refptr<Shape> plane = new Plane(normal[0],
+                                    normal[1],
+                                    normal[2],
+                                    dist);
+    if ( ! material.isNull() )
+        plane->setMaterial(material);
+    plane->setTransform(m_transforms.top());
+    
+    if (restore_transform)
+        m_transforms.pop();
+
+    return plane;
 }
 
 refptr<Shape> Scene::processSphere(refptr<Node> node)