void SceneParser::parseObjects(void)
{
if(currentToken == Scanner::StreamDone)
return;
else{
while(errorFlag == false && currentToken != Scanner::StreamDone)
{
acceptToken(Scanner::Id);
string tokenText = scanner.tokenText();
if(tokenText == "sphere")
parseSphere();
else if(tokenText == "box")
parseBox();
else if(tokenText == "plane")
parsePlane();
else if(tokenText == "triangle")
parseTriangle();
else if(tokenText == "mesh")
parseMesh();
else if(tokenText == "cone")
parseCone();
else if(tokenText == "cylinder")
parseCylinder();
else if(tokenText == "pointlight")
parsePointLight();
else if(tokenText == "directionallight")
parseDirectionalLight();
else if(tokenText == "spotlight")
parseSpotlight();
else if(tokenText == "arealight")
parseAreaLight();
else{
error("undefined command: " + tokenText);
}
advance();
}
}
}
Scene* Parser::parseScene(){
///
xml_node scene = root.child("scene");
// optional name
Scene* _s;
if (scene.attribute("name") != NULL)
_s = new Scene(scene.attribute("name").value());
else
_s = Scene::New();
// optional settings
xml_node op;
op = scene.child("background");
float x, y, z;
if (op != NULL)
{
const char* back = op.text().as_string();
sscanf(back, "%f %f %f", &x, &y, &z);
_s->backgroundColor = Color(x, y, z);
scene.remove_child("background");
}
op = scene.child("ambient");
if (op != NULL)
{
const char* amb = op.text().as_string();
sscanf(amb, "%f %f %f", &x, &y, &z);
_s->ambientLight = Color(x, y, z);
scene.remove_child("ambient");
}
// processing the objets in the scene
xml_object_range<xml_node_iterator> objets = scene.children();
Light* light;
for (xml_node_iterator sceneElement = objets.begin(); sceneElement != objets.end(); ++sceneElement) {
if (strcmp(sceneElement->name(), "mesh") == 0)
_s->addActor(parseMesh(sceneElement));
if (strcmp(sceneElement->name(), "sphere") == 0)
_s->addActor(parseSphere(sceneElement));
if (strcmp(sceneElement->name(), "box") == 0)
_s->addActor(parseBox(sceneElement));
if (strcmp(sceneElement->name(), "cone") == 0)
_s->addActor(parseCone(sceneElement));
if (strcmp(sceneElement->name(), "cylinder") == 0)
_s->addActor(parseCylinder(sceneElement));
else if (strcmp(sceneElement->name(), "light") == 0){
light = parseLight(sceneElement);
_s->addLight(light);
}
}
return _s;
}
