added Scene::process{Camera,Options,TransformBlock}()

git-svn-id: svn://anubis/fart/trunk@168 7f9b0f55-74a9-4bce-be96-3c2cd072584d

parser/nodes.h

@@ -113,8 +113,10 @@ class LightNode : public Node
 {
 };
 
-class LookAtNode : public Node
+class LookAtNode : public VectorNode
 {
+    public:
+        LookAtNode(refptr<Vector> vector) : VectorNode(vector) {}
 };
 
 class MaterialNode : public Node
@@ -153,8 +155,10 @@ class PlanePositionNode : public Node
         double m_dist;
 };
 
-class PositionNode : public Node
+class PositionNode : public VectorNode
 {
+    public:
+        PositionNode(refptr<Vector> vector) : VectorNode(vector) {}
 };
 
 class RadiusNode : public NumberNode
@@ -256,8 +260,10 @@ class UnionNode : public Node
         bool isShape() { return true; }
 };
 
-class UpNode : public Node
+class UpNode : public VectorNode
 {
+    public:
+        UpNode(refptr<Vector> vector) : VectorNode(vector) {}
 };
 
 class VFOVNode : public Node

parser/parser.yy

@@ -133,16 +133,13 @@ camera_items: /* empty */
             ;
 
 camera_item: POSITION vector {
-                $$ = new PositionNode();
-                $$->addChild($2);
+                $$ = new PositionNode($2->getVector());
             }
            | LOOKAT vector {
-                $$ = new LookAtNode();
-                $$->addChild($2);
+                $$ = new LookAtNode($2->getVector());
             }
            | UP vector {
-                $$ = new UpNode();
-                $$->addChild($2);
+                $$ = new UpNode($2->getVector());
             }
            | VFOV vector {
                 $$ = new VFOVNode();
@@ -193,8 +190,7 @@ light_items: /* empty */
            ;
 
 light_item: POSITION vector {
-                $$ = new PositionNode();
-                $$->addChild($2);
+                $$ = new PositionNode($2->getVector());
             }
           | DIFFUSE vector {
                 $$ = new DiffuseNode($2->getVector());