void XmlParser::readModel(Transform * transform, XmlNode * modelNode) {
// Create model
glm::mat4 model;
if (modelNode) {
// Get each transformation
XmlNode * transformNode = modelNode->first_node();
while (transformNode) {
std::string type(transformNode->name());
// Translate
if (type == "translate") {
XmlAttr * x, * y, * z;
xmlAttribute(x, transformNode);
xmlAttribute(y, transformNode);
xmlAttribute(z, transformNode);
// Apply transformation
transform->translate(atof(x->value()), atof(y->value()), atof(z->value()));
}
// Rotate
else if (type == "rotate") {
// Read angle
XmlAttr * angle;
xmlAttribute(angle, transformNode);
// Check normal
glm::vec3 normal(0, 1, 0);
XmlNode * normalNode = transformNode->first_node("normal");
if (normalNode) {
XmlAttr * x, * y, * z;
xmlAttribute(x, normalNode);
xmlAttribute(y, normalNode);
xmlAttribute(z, normalNode);
// Set new normal
normal = glm::vec3(atof(x->value()), atof(y->value()), atof(z->value()));
}
// Apply transformation
transform->rotate(atof(angle->value()), normal);
}
// Scale
else if (type == "scale") {
XmlAttr * x, * y, * z;
xmlAttribute(x, transformNode);
xmlAttribute(y, transformNode);
xmlAttribute(z, transformNode);
// Apply transformation
transform->scale(atof(x->value()), atof(y->value()), atof(z->value()));
}
// Get next transformation
transformNode = transformNode->next_sibling();
}
}
}
void XmlParser::readScripts(Scene * scene, Transform * transform, XmlNode * scripts) {
if (scripts) {
// Get each script
XmlNode * script = scripts->first_node("script");
while (script) {
XmlAttr * name;
xmlAttribute(name, script);
// Crate script and bind it to transform
scene->addScript(Script::GetScriptByName(transform, name->value()));
// Get next script
script = script->next_sibling("script");
}
}
}
void ofTag::addAttribute(string name,string val)
{
attributes.push_back(xmlAttribute(name,val));
}
void XmlParser::readLights(Scene * scene, XmlNode * lights) {
if (lights) {
// Read all lights from scene
XmlNode * light = lights->first_node("light");
while (light) {
// Create light
Light * l = new Light();
// Get position from xml
XmlNode * position;
xmlElement(position, light);
// Get coordinates
XmlAttr * x, * y, * z;
xmlAttribute(x, position);
xmlAttribute(y, position);
xmlAttribute(z, position);
// Set position
l->setPosition(atof(x->value()), atof(y->value()), atof(z->value()));
// Get direction from xml
XmlNode * direction;
xmlElement(direction, light);
// Get coordinates
xmlAttribute(x, direction);
xmlAttribute(y, direction);
xmlAttribute(z, direction);
// Set position
l->setDirection(atof(x->value()), atof(y->value()), atof(z->value()));
// Check angle
XmlNode * angle = light->first_node("angle");
if (angle) {
XmlAttr * value;
xmlAttribute(value, angle);
l->setLightAngle(atof(value->value()));
}
// Try to get diffuse
XmlNode * diffuse = light->first_node("diffuse");
if (diffuse) {
// Get coordinates
XmlAttr * r, * g, * b;
xmlAttribute(r, diffuse);
xmlAttribute(g, diffuse);
xmlAttribute(b, diffuse);
// Set diffuse
l->setDiffuse(atof(r->value()), atof(g->value()), atof(b->value()));
}
// Try to get specular
XmlNode * specular = light->first_node("specular");
if (specular) {
// Get coordinates
XmlAttr * r, * g, * b;
xmlAttribute(r, specular);
xmlAttribute(g, specular);
xmlAttribute(b, specular);
// Set specular
l->setSpecular(atof(r->value()), atof(g->value()), atof(b->value()));
}
// Read scripts
XmlNode * scripts = light->first_node("scripts");
readScripts(scene, l, scripts);
// Add to scene
scene->addLight(l);
// Get next light
light = light->next_sibling("light");
}
} else {
printf("No lights\n");
}
}
void XmlParser::readMeshs(Renderer * renderer ,Scene * scene, XmlNode * meshNode) {
// Read mesh
while(meshNode) {
// Create cube
glm::mat4 id;
MeshObject * mesh = new MeshObject(id);
// Read shaders and init it
int basicShader = renderer->getDefaultBasicShader();
int lightShader = renderer->getDefaultLightShader();
XmlNode * basicShaderNode = meshNode->first_node("basic-shader");
XmlNode * lightShaderNode = meshNode->first_node("light-shader");
// If there is a basic shader node
if (basicShaderNode) {
XmlAttr * vert, * frag;
xmlAttribute(vert, basicShaderNode);
xmlAttribute(frag, basicShaderNode);
// Create new shader
basicShader = renderer->createShaderProg(vert->value(), frag->value());
}
// If there is a light shader node
if (lightShaderNode) {
XmlAttr * vert, * frag;
xmlAttribute(vert, lightShaderNode);
xmlAttribute(frag, lightShaderNode);
// Create new shader
lightShader = renderer->createShaderProg(vert->value(), frag->value());
}
// Init mesh
mesh->init(basicShader, lightShader);
// Load file (it must exist)
XmlAttr * file;
xmlAttribute(file, meshNode);
mesh->loadFromFile(file->value());
// Try to read model
readModel(mesh, meshNode->first_node("model"));
// Add c to scene
scene->addGameObject(mesh);
// Set texture
XmlNode * textureNode = meshNode->first_node("texture");
if (textureNode) {
// Get file name
XmlAttr * file;
xmlAttribute(file, textureNode);
// Create texture
Texture texture(GL_TEXTURE0, std::string(file->value()));
// Set texture
mesh->setTexture(texture);
}
// Set normal map
XmlNode * normalMapNode = meshNode->first_node("normal-map");
if (normalMapNode) {
// Get file name
XmlAttr * file;
xmlAttribute(file, normalMapNode);
// Create texture
Texture normalMap(GL_TEXTURE2, std::string(file->value()));
// Set texture
mesh->setNormalMap(normalMap);
}
// Set material
XmlNode * material = meshNode->first_node("material");
if (material) {
// Create material
Material * m = new Material();
// Set emissive
XmlNode * emissive = material->first_node("emissive");
if (emissive) {
XmlAttr * r, *g, *b;
xmlAttribute(r, emissive);
xmlAttribute(g, emissive);
xmlAttribute(b, emissive);
// Set diffuse
m->setEmissive(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read ambient
XmlNode * ambient = material->first_node("ambient");
if (ambient) {
XmlAttr * r, *g, *b;
xmlAttribute(r, ambient);
xmlAttribute(g, ambient);
xmlAttribute(b, ambient);
// Set diffuse
m->setAmbient(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read diffuse
XmlNode * diffuse = material->first_node("diffuse");
if (diffuse) {
XmlAttr * r, *g, *b;
xmlAttribute(r, diffuse);
xmlAttribute(g, diffuse);
xmlAttribute(b, diffuse);
// Set diffuse
m->setDiffuse(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read specular
XmlNode * specular = material->first_node("specular");
if (specular) {
XmlAttr * r, *g, *b;
xmlAttribute(r, specular);
xmlAttribute(g, specular);
xmlAttribute(b, specular);
// Set diffuse
m->setSpecular(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read specular
XmlNode * shininess = material->first_node("shininess");
if (shininess) {
XmlAttr * value;
xmlAttribute(value, shininess);
// Set diffuse
m->setShininess(atof(value->value()));
}
// Set material
mesh->setMaterial(m);
}
// Read Scripts
XmlNode * scripts = meshNode->first_node("scripts");
readScripts(scene, mesh, scripts);
// Get next cube
meshNode = meshNode->next_sibling("mesh");
}
}
void XmlParser::readCubes(Renderer * renderer ,Scene * scene, XmlNode * cubeNode) {
// Read all cubes from scene
while(cubeNode) {
// Create cube
Cube * c = new Cube();
// Read shaders and init it
int basicShader = renderer->getDefaultBasicShader();
int lightShader = renderer->getDefaultLightShader();
XmlNode * basicShaderNode = cubeNode->first_node("basic-shader");
XmlNode * lightShaderNode = cubeNode->first_node("light-shader");
// If there is a basic shader node
if (basicShaderNode) {
XmlAttr * vert, * frag;
xmlAttribute(vert, basicShaderNode);
xmlAttribute(frag, basicShaderNode);
// Create new shader
basicShader = renderer->createShaderProg(vert->value(), frag->value());
}
// If there is a light shader node
if (lightShaderNode) {
XmlAttr * vert, * frag;
xmlAttribute(vert, lightShaderNode);
xmlAttribute(frag, lightShaderNode);
// Create new shader
lightShader = renderer->createShaderProg(vert->value(), frag->value());
}
// Init cube
c->init(basicShader, lightShader);
// Try to read model
readModel(c, cubeNode->first_node("model"));
// Add c to scene
scene->addGameObject(c);
// Set texture
XmlNode * texture = cubeNode->first_node("texture");
if (texture) {
// Get file name
XmlAttr * file;
xmlAttribute(file, texture);
// Create texture
Texture texture(GL_TEXTURE0, std::string(file->value()));
// Set texture
c->setTexture(texture);
}
// Set material
XmlNode * material = cubeNode->first_node("material");
if (material) {
// Create material
Material * m = new Material();
// Set emissive
XmlNode * emissive = material->first_node("emissive");
if (emissive) {
XmlAttr * r, *g, *b;
xmlAttribute(r, emissive);
xmlAttribute(g, emissive);
xmlAttribute(b, emissive);
// Set diffuse
m->setEmissive(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read ambient
XmlNode * ambient = material->first_node("ambient");
if (ambient) {
XmlAttr * r, *g, *b;
xmlAttribute(r, ambient);
xmlAttribute(g, ambient);
xmlAttribute(b, ambient);
// Set diffuse
m->setAmbient(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read diffuse
XmlNode * diffuse = material->first_node("diffuse");
if (diffuse) {
XmlAttr * r, *g, *b;
xmlAttribute(r, diffuse);
xmlAttribute(g, diffuse);
xmlAttribute(b, diffuse);
// Set diffuse
m->setDiffuse(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read specular
XmlNode * specular = material->first_node("specular");
if (specular) {
XmlAttr * r, *g, *b;
xmlAttribute(r, specular);
xmlAttribute(g, specular);
xmlAttribute(b, specular);
// Set diffuse
m->setSpecular(atof(r->value()), atof(g->value()),
atof(b->value()));
}
// Read specular
XmlNode * shininess = material->first_node("shininess");
if (shininess) {
XmlAttr * value;
xmlAttribute(value, shininess);
// Set diffuse
m->setShininess(atof(value->value()));
}
// Set material
c->setMaterial(m);
}
// Read Scripts
XmlNode * scripts = cubeNode->first_node("scripts");
readScripts(scene, c, scripts);
// Get next cube
cubeNode = cubeNode->next_sibling("cube");
}
}
