void YafFile::processGraph(TiXmlElement* graphElement)
{
string rootid=graphElement->Attribute("rootid");
TiXmlElement* nodeElement = graphElement->FirstChildElement("node");
sceneGraph = new Graph();
sceneGraph->setRootId(rootid);
while(nodeElement!=NULL)
{
Node* node = new Node(nodeElement->Attribute("id"));
bool displaylist=false;
nodeElement->QueryBoolAttribute("displaylist",&displaylist);
if(displaylist!=NULL)
node->setDisplayList(displaylist);
string animID;
TiXmlElement* animationsN = nodeElement->FirstChildElement("animationref");
if(animationsN!=NULL)
animID=animationsN->Attribute("id");
TiXmlElement* transformations = nodeElement->FirstChildElement("transforms");
TiXmlElement* transformation=transformations->FirstChildElement();
while(transformation!=NULL)
{
if(transformation->Attribute("axis")!=NULL)
{
string axis=transformation->Attribute("axis");
float angle;
transformation->QueryFloatAttribute("angle",&angle);
Transformation* rot = new Rotation(axis,angle);
node->addTransformation(rot);
}
else if (transformation->Attribute("to")!=NULL)
{
float translation[3];
read3Float("to",transformation,translation[0],translation[1],translation[2]);
Transformation* translationElement = new Translation(translation[0],translation[1],translation[2]);
node->addTransformation(translationElement);
}
else if (transformation->Attribute("factor")!=NULL)
{
float factor[3];
read3Float("factor",transformation,factor[0],factor[1],factor[2]);
Transformation* scaling = new Scaling(factor[0],factor[1],factor[2]);
node->addTransformation(scaling);
}
transformation = transformation->NextSiblingElement();
}
TiXmlElement* appearanceRef = nodeElement->FirstChildElement("appearanceref");
if(appearanceRef!=NULL)
{
node->setNodeAppearance(make_pair(appearanceRef->Attribute("id"),appearances[appearanceRef->Attribute("id")]));
}
else
{
node->setNodeAppearance(make_pair("",new Appearance()));
}
TiXmlElement* children = nodeElement->FirstChildElement("children");
TiXmlElement* childrenAnalyzer = children->FirstChildElement();
while(childrenAnalyzer!=NULL)
{
if(childrenAnalyzer->Attribute("xy1")!=NULL)
{
float xy1[2],xy2[2];
read2Float("xy1",childrenAnalyzer,xy1[0],xy1[1]);
read2Float("xy2",childrenAnalyzer,xy2[0],xy2[1]);
SceneObject* rectangle = new SceneRectangle(xy1[0],xy1[1],xy2[0],xy2[1]);
node->addObject(rectangle);
}
else if(childrenAnalyzer->Attribute("xyz1")!=NULL)
{
float xyz1[3],xyz2[3],xyz3[3];
read3Float("xyz1",childrenAnalyzer,xyz1[0],xyz1[1],xyz1[2]);
read3Float("xyz2",childrenAnalyzer,xyz2[0],xyz2[1],xyz2[2]);
read3Float("xyz3",childrenAnalyzer,xyz3[0],xyz3[1],xyz3[2]);
SceneObject* triangle = new SceneTriangle(xyz1,xyz2,xyz3);
node->addObject(triangle);
}
else if(childrenAnalyzer->Attribute("base")!=NULL)
{
float base,top,height;
int slices,stacks;
childrenAnalyzer->QueryFloatAttribute("base",&base);
childrenAnalyzer->QueryFloatAttribute("top",&top);
childrenAnalyzer->QueryFloatAttribute("height",&height);
childrenAnalyzer->QueryIntAttribute("slices",&slices);
childrenAnalyzer->QueryIntAttribute("stacks",&stacks);
SceneObject* cylinder = new SceneCylinder(base,top,height,slices,stacks);
node->addObject(cylinder);
}
else if(childrenAnalyzer->Attribute("radius")!=NULL)
{
float radius;
int slices,stacks;
childrenAnalyzer->QueryFloatAttribute("radius",&radius);
childrenAnalyzer->QueryIntAttribute("slices",&slices);
childrenAnalyzer->QueryIntAttribute("stacks",&stacks);
SceneObject* sphere = new SceneSphere(radius,slices,stacks);
node->addObject(sphere);
}
else if(childrenAnalyzer->Attribute("inner")!=NULL)
{
float inner,outer;
int slices,loops;
childrenAnalyzer->QueryFloatAttribute("inner",&inner);
childrenAnalyzer->QueryFloatAttribute("outer",&outer);
childrenAnalyzer->QueryIntAttribute("slices",&slices);
childrenAnalyzer->QueryIntAttribute("loops",&loops);
SceneObject* thorus = new SceneTorus(inner,outer,slices,loops);
node->addObject(thorus);
}
else if(childrenAnalyzer->Attribute("parts")!=NULL)
{
int parts;
childrenAnalyzer->QueryIntAttribute("parts",&parts);
SceneObject* plane = new ScenePlane(parts);
node->addObject(plane);
}
else if(strcmp(childrenAnalyzer->Value(),"patch")==0)
{
int order,partsU,partsV;
float x,y,z;
string compute;
childrenAnalyzer->QueryIntAttribute("order",&order);
childrenAnalyzer->QueryIntAttribute("partsU",&partsU);
childrenAnalyzer->QueryIntAttribute("partsV",&partsV);
compute=childrenAnalyzer->Attribute("compute");
ScenePatch* patch = new ScenePatch(order,partsU,partsV,compute);
TiXmlElement* points = childrenAnalyzer->FirstChildElement("controlpoint");
while(points!=NULL)
{
points->QueryFloatAttribute("x",&x);
points->QueryFloatAttribute("y",&y);
points->QueryFloatAttribute("z",&z);
cout<<x<<","<<y<<","<<z<<endl;
patch->addCntrPoint(x,y,z);
points = points->NextSiblingElement("controlpoint");
}
node->addObject(patch);
}
else if(strcmp(childrenAnalyzer->Value(),"vehicle")==0)
{
SceneObject* vehicle = new SceneVehicle();
node->addObject(vehicle);
}
else if(childrenAnalyzer->Attribute("heightmap")!=NULL)
{
string heightMap,textureMap,fragmentShader,vertexShader;
heightMap=childrenAnalyzer->Attribute("heightmap");
textureMap=childrenAnalyzer->Attribute("texturemap");
fragmentShader=childrenAnalyzer->Attribute("fragmentshader");
vertexShader=childrenAnalyzer->Attribute("vertexshader");
SceneObject* shader = new SceneShader(heightMap,textureMap,fragmentShader,vertexShader);
node->addObject(shader);
}
else if (childrenAnalyzer->Attribute("id")!=NULL)
{
node->addchildId(childrenAnalyzer->Attribute("id"));
}
childrenAnalyzer=childrenAnalyzer->NextSiblingElement();
}
//set animation
Animation* anime=animations[animID];
if(anime!=NULL)
{
node->setAnimation(anime);
}
sceneGraph->addNode(node);
nodeElement=nodeElement->NextSiblingElement("node");
}
sceneGraph->createSonNodes();
}
void XMLScene::processGraph(TiXmlElement* graphElement)
{
string rootid=graphElement->Attribute("rootid");
TiXmlElement* nodeElement = graphElement->FirstChildElement("node");
sceneGraph = new Graph();
sceneGraph->setRootId(rootid);
while(nodeElement!=NULL)
{
bool displayList=false;
string nodeId = nodeElement->Attribute("id");
if(nodeElement->Attribute("displaylist") != NULL)
nodeElement->QueryBoolAttribute("displaylist",&displayList);
Node* node = new Node(nodeId, displayList);
string animationID;
TiXmlElement* animations = nodeElement->FirstChildElement("animationref");
if(animations!=NULL)
animationID=animations->Attribute("id");
TiXmlElement* transformations = nodeElement->FirstChildElement("transforms");
TiXmlElement* transformation = transformations->FirstChildElement();
while(transformation!=NULL)
{
if(transformation->Attribute("axis")!=NULL)
{
string axis=transformation->Attribute("axis");
float angle;
read1Float("angle",transformation,angle);
Transformation* rot = new Rotation(axis,angle);
node->addTransformation(rot);
}
else if (transformation->Attribute("to")!=NULL)
{
float translation[3];
read3Float("to",transformation,translation[0],translation[1],translation[2]);
Transformation* translationElement = new Translation(translation[0],translation[1],translation[2]);
node->addTransformation(translationElement);
}
else if (transformation->Attribute("factor")!=NULL)
{
float factor[3];
read3Float("factor",transformation,factor[0],factor[1],factor[2]);
Transformation* scaling = new Scaling(factor[0],factor[1],factor[2]);
node->addTransformation(scaling);
}
transformation = transformation->NextSiblingElement();
}
TiXmlElement* appearanceRef = nodeElement->FirstChildElement("appearanceref");
if(appearanceRef->Attribute("id")!="inherit")
{
node->setNodeAppearance(make_pair(appearanceRef->Attribute("id"),appearances[appearanceRef->Attribute("id")]));
}
else
{
node->setNodeAppearance(make_pair("inherit",new Appearance()));
}
TiXmlElement* primitive = nodeElement->FirstChildElement("primitives");
TiXmlElement* primitiveAnalyzer = primitive->FirstChildElement();
while(primitiveAnalyzer!=NULL)
{
if(primitiveAnalyzer->Attribute("xy1")!=NULL)
{
float xy1[2],xy2[2];
read2Float("xy1",primitiveAnalyzer,xy1[0],xy1[1]);
read2Float("xy2",primitiveAnalyzer,xy2[0],xy2[1]);
SceneObject* rectangle = new SceneRectangle(xy1[0],xy1[1],xy2[0],xy2[1]);
node->addObject(rectangle);
}
else if(primitiveAnalyzer->Attribute("xyz1")!=NULL)
{
float xyz1[3],xyz2[3],xyz3[3];
read3Float("xyz1",primitiveAnalyzer,xyz1[0],xyz1[1],xyz1[2]);
read3Float("xyz2",primitiveAnalyzer,xyz2[0],xyz2[1],xyz2[2]);
read3Float("xyz3",primitiveAnalyzer,xyz3[0],xyz3[1],xyz3[2]);
SceneObject* triangle = new SceneTriangle(xyz1,xyz2,xyz3);
node->addObject(triangle);
}
else if(primitiveAnalyzer->Attribute("base")!=NULL)
{
float base,top,height;
int slices,stacks;
read1Float("base",primitiveAnalyzer,base);
read1Float("top",primitiveAnalyzer,top);
read1Float("height",primitiveAnalyzer,height);
read1Int("slices",primitiveAnalyzer,slices);
read1Int("stacks",primitiveAnalyzer,stacks);
SceneObject* cylinder = new SceneCylinder(base,top,height,slices,stacks);
node->addObject(cylinder);
}
else if(primitiveAnalyzer->Attribute("radius")!=NULL)
{
float radius;
int slices,stacks;
read1Float("radius",primitiveAnalyzer,radius);
read1Int("slices",primitiveAnalyzer,slices);
read1Int("stacks",primitiveAnalyzer,stacks);
SceneObject* sphere = new SceneSphere(radius,slices,stacks);
node->addObject(sphere);
}
else if(primitiveAnalyzer->Attribute("inner")!=NULL)
{
float inner,outer;
int slices,loops;
read1Float("inner",primitiveAnalyzer,inner);
read1Float("outer",primitiveAnalyzer,outer);
read1Int("slices",primitiveAnalyzer,slices);
read1Int("loops",primitiveAnalyzer,loops);
SceneObject* thorus = new SceneTorus(inner,outer,slices,loops);
node->addObject(thorus);
}
else if(primitiveAnalyzer->Attribute("parts")!=NULL)
{
int parts;
read1Int("parts",primitiveAnalyzer,parts);
SceneObject* plane = new ScenePlane(parts);
node->addObject(plane);
}
else if(strcmp(primitiveAnalyzer->Value(),"patch")==0)
{
int order,partsU,partsV;
float x,y,z;
string compute;
primitiveAnalyzer->QueryIntAttribute("order",&order);
primitiveAnalyzer->QueryIntAttribute("partsU",&partsU);
primitiveAnalyzer->QueryIntAttribute("partsV",&partsV);
compute=primitiveAnalyzer->Attribute("compute");
ScenePatch* patch = new ScenePatch(order,partsU,partsV,compute);
TiXmlElement* ControlPoints = primitiveAnalyzer->FirstChildElement("controlpoint");
while(ControlPoints!=NULL)
{
ControlPoints->QueryFloatAttribute("x",&x);
ControlPoints->QueryFloatAttribute("y",&y);
ControlPoints->QueryFloatAttribute("z",&z);
patch->addCntrPoint(x,y,z);
ControlPoints = ControlPoints->NextSiblingElement("controlpoint");
}
node->addObject(patch);
}
else if(primitiveAnalyzer->Attribute("texture") != NULL) {
std::string texture;
texture = primitiveAnalyzer->Attribute("texture");
SceneObject* flag = new SceneFlag(texture);
node->addObject(flag);
std::cout << "Added flag with texture: " << texture << std::endl;
}
primitiveAnalyzer = primitiveAnalyzer->NextSiblingElement();
}
TiXmlElement* descendants = nodeElement->FirstChildElement("descendants");
TiXmlElement* descendantsAnalyzer = descendants->FirstChildElement();
while(descendantsAnalyzer!=NULL)
{
node->addchildId(descendantsAnalyzer->Attribute("id"));
descendantsAnalyzer=descendantsAnalyzer->NextSiblingElement();
}
sceneGraph->addNode(node);
nodeElement=nodeElement->NextSiblingElement("node");
}
}
