added Extrude and Polygon classes, still in progress

git-svn-id: svn://anubis/fart/trunk@269 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene-load.cc

@@ -1,10 +1,12 @@
 
 #include <typeinfo>
 #include <iostream>
+
 #include "Scene.h"
 #include "Light.h"
 #include "parser/parser.h"
 #include "parser/nodes.h"
+#include "util/Polygon.h"
 
 using namespace std;
 
@@ -135,6 +137,10 @@ refptr<Shape> Scene::processShape(refptr<Node> node)
     {
         return processBool(node);
     }
+    else if ( typeid(*node) == typeid(ExtrudeNode) )
+    {
+        return processExtrude(node);
+    }
 
     return refptr<Shape>(NULL);
 }
@@ -539,6 +545,59 @@ refptr<Shape> Scene::processBool(refptr<Node> node)
     return shape;
 }
 
+refptr<Shape> Scene::processExtrude(refptr<Node> node)
+{
+    refptr<Material> material;
+    Extrude * extrude = new Extrude();
+
+    bool restore_transform = processTransforms(node);
+
+    for (Node_Iterator it = node->getChildren().begin();
+         it != node->getChildren().end();
+         it++)
+    {
+        if      ( typeid(**it) == typeid(PolygonNode) )
+        {
+            extrude->addPolygon(processPolygon(*it));
+        }
+        else if ( typeid(**it) == typeid(NGonNode) )
+        {
+            extrude->addPolygon(processNGon(*it));
+        }
+        else if ( typeid(**it) == typeid(OffsetNode) )
+        {
+            /* FIXME */
+        }
+        else if ( (*it)->isMaterial() )
+        {
+            material = processMaterial(*it);
+        }
+    }
+
+    if ( ! material.isNull() )
+        extrude->setMaterial(material);
+    extrude->setTransform(m_transforms.top());
+
+    if (restore_transform)
+        m_transforms.pop();
+
+    return extrude;
+}
+
+refptr<Polygon> Scene::processPolygon(refptr<Node> node)
+{
+    refptr<Polygon> p = new Polygon();
+    /* FIXME */
+    return p;
+}
+
+refptr<Polygon> Scene::processNGon(refptr<Node> node)
+{
+    refptr<Polygon> p = new Polygon();
+    /* FIXME */
+    return p;
+}
+
 bool Scene::processTransforms(refptr<Node> node)
 {
     bool did_any = false;

main/Scene.h

@@ -12,6 +12,7 @@
 #include "util/Ray.h"
 #include "util/Color.h"
 #include "util/Material.h"
+#include "util/Polygon.h"
 
 #include "shapes/shapes.h"
 
@@ -66,6 +67,9 @@ class Scene
         refptr<Shape> processSphere(refptr<Node> node);
         refptr<Shape> processShape(refptr<Node> node);
         refptr<Shape> processBool(refptr<Node> node);
+        refptr<Shape> processExtrude(refptr<Node> node);
+        refptr<Polygon> processPolygon(refptr<Node> node);
+        refptr<Polygon> processNGon(refptr<Node> node);
         bool processTransforms(refptr<Node> node);
         void processCamera(refptr<Node> node);
         void processOptions(refptr<Node> node);