added "cyl" token to parser and parser rules for cyl object

git-svn-id: svn://anubis/fart/trunk@165 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene-load.cc

@@ -190,7 +190,7 @@ refptr<Material> Scene::processMaterial(refptr<Node> node)
 
 refptr<Shape> Scene::processBox(refptr<Node> node)
 {
-    Vector size(1, 1, 1);
+    refptr<Vector> size = new Vector(1, 1, 1);
     refptr<Material> material;
 
     bool restore_transform = processTransforms(node);
@@ -201,7 +201,7 @@ refptr<Shape> Scene::processBox(refptr<Node> node)
     {
         if      ( typeid(**it) == typeid(SizeNode) )
         {
-            size = *(*it)->getVector();
+            size = (*it)->getVector();
         }
         else if ( typeid(**it) == typeid(MaterialNode) )
         {
@@ -209,16 +209,52 @@ refptr<Shape> Scene::processBox(refptr<Node> node)
         }
     }
 
+    refptr<Shape> box = new Box(size);
+    if ( ! material.isNull() )
+        box->setMaterial(material);
+    box->setTransform(m_transforms.top());
+    
     if (restore_transform)
         m_transforms.pop();
 
-    return refptr<Shape>(NULL);
+    return box;
 }
 
 refptr<Shape> Scene::processCyl(refptr<Node> node)
 {
-    /* TODO: finish */
-    return refptr<Shape>(NULL);
+    double radius1 = 1.0;
+    double radius2 = 1.0;
+    double height = 1.0;
+    refptr<Material> material;
+
+    bool restore_transform = processTransforms(node);
+
+    for (Node_Iterator it = node->getChildren().begin();
+         it != node->getChildren().end();
+         it++)
+    {
+        if      ( typeid(**it) == typeid(SizeNode) )
+        {
+            const Vector & v = *(*it)->getVector();
+            radius1 = v[0];
+            radius2 = v[1];
+            height = v[2];
+        }
+        else if ( typeid(**it) == typeid(MaterialNode) )
+        {
+            material = processMaterial(*it);
+        }
+    }
+
+    refptr<Shape> cyl = new Cyl(radius1, radius2, height);
+    if ( ! material.isNull() )
+        cyl->setMaterial(material);
+    cyl->setTransform(m_transforms.top());
+    
+    if (restore_transform)
+        m_transforms.pop();
+
+    return cyl;
 }
 
 refptr<Light> Scene::processLight(refptr<Node> node)
@@ -235,8 +271,34 @@ refptr<Shape> Scene::processPlane(refptr<Node> node)
 
 refptr<Shape> Scene::processSphere(refptr<Node> node)
 {
-    /* TODO: finish */
-    return refptr<Shape>(NULL);
+    double radius = 1.0;
+    refptr<Material> material;
+
+    bool restore_transform = processTransforms(node);
+
+    for (Node_Iterator it = node->getChildren().begin();
+         it != node->getChildren().end();
+         it++)
+    {
+        if      ( typeid(**it) == typeid(RadiusNode) )
+        {
+            radius = (*it)->getNumber();
+        }
+        else if ( typeid(**it) == typeid(MaterialNode) )
+        {
+            material = processMaterial(*it);
+        }
+    }
+
+    refptr<Shape> sphere = new Sphere(radius);
+    if ( ! material.isNull() )
+        sphere->setMaterial(material);
+    sphere->setTransform(m_transforms.top());
+    
+    if (restore_transform)
+        m_transforms.pop();
+
+    return sphere;
 }
 
 bool Scene::processTransforms(refptr<Node> node)

parser/nodes.h

@@ -78,6 +78,10 @@ class ColorNode : public VectorNode
         ColorNode(refptr<Vector> vector) : VectorNode(vector) {}
 };
 
+class CylNode : public Node
+{
+};
+
 class DiffuseNode : public VectorNode
 {
     public:

parser/parser.lex

@@ -43,6 +43,7 @@ ambient             return AMBIENT;
 box                 return BOX;
 camera              return CAMERA;
 color               return COLOR;
+cyl                 return CYL;
 diffuse             return DIFFUSE;
 height              return HEIGHT;
 intersect           return INTERSECT;

parser/parser.yy

@@ -62,6 +62,7 @@ static refptr<Node> parsed_scene_node;
 %token BOX;
 %token CAMERA;
 %token COLOR;
+%token CYL;
 %token DIFFUSE;
 %token HEIGHT;
 %token INTERSECT;
@@ -149,6 +150,26 @@ camera_item: POSITION vector {
             }
            ;
 
+cyl: CYL LCURLY cyl_items RCURLY {
+        $$ = new CylNode();
+        $$->addChildren($3);
+    }
+   ;
+
+cyl_items: /* empty */
+         | cyl_item cyl_items {
+                $$ = new ItemsNode();
+                $$->addChild($1);
+                $$->addChildren($2);
+            }
+         ;
+
+cyl_item: SIZE vector {
+                $$ = new SizeNode($2->getVector());
+            }
+        | shape_item { $$ = $1; }
+        ;
+
 intersect: INTERSECT LCURLY shape shape shape_items RCURLY {
                 $$ = new IntersectNode();
                 $$->addChild($3);
@@ -289,6 +310,7 @@ scene_item: camera { $$ = $1; }
 shape: plane { $$ = $1; }
      | sphere { $$ = $1; }
      | box { $$ = $1; }
+     | cyl { $$ = $1; }
      | union { $$ = $1; }
      | intersect { $$ = $1; }
      | subtract { $$ = $1; }