C++ XmlAttribute::getLong方法代码示例

//===========================================
// PauseMenu::PauseMenu
//===========================================
PauseMenu::PauseMenu(const XmlNode data)
   : Asset(internString("PauseMenu")),
     Entity(data.firstChild().firstChild().firstChild()),
     Menu(data.firstChild()) {

   try {
      AssetManager assetManager;

      XML_NODE_CHECK(data, PauseMenu);

      XmlNode node = data.nthChild(1);
      XML_NODE_CHECK(node, flare);

      XmlAttribute attr = node.firstAttribute();
      XML_ATTR_CHECK(attr, ptr);
      long id = attr.getLong();

      m_flare = boost::dynamic_pointer_cast<CSprite>(assetManager.getAssetPointer(id));

      if (!m_flare)
         throw XmlException("Bad asset id for flare item", __FILE__, __LINE__);

      m_flare->addToWorld();
   }
   catch (XmlException& e) {
      e.prepend("Error parsing XML for instance of class PauseMenu; ");
      throw;
   }
}

//===========================================
// CreditsMenu::CreditsMenu
//===========================================
CreditsMenu::CreditsMenu(const XmlNode data)
   : Asset(internString("CreditsMenu")),
     Entity(data.firstChild().firstChild().firstChild()),
     Menu(data.firstChild()) {

   try {
      AssetManager assetManager;

      XML_NODE_CHECK(data, CreditsMenu);

      XmlNode node = data.nthChild(1);
      XML_NODE_CHECK(node, font);

      XmlAttribute attr = node.firstAttribute();
      XML_ATTR_CHECK(attr, ptr);

      long id = attr.getLong();
      m_font = boost::dynamic_pointer_cast<Dodge::Font>(assetManager.getAssetPointer(id));

      if (!m_font)
         throw XmlException("Bad font asset id", __FILE__, __LINE__);

      node = node.nextSibling();
      XML_NODE_CHECK(node, fadeInTime);
      m_fadeInTime = node.getFloat();
   }
   catch (XmlException& e) {
      e.prepend("Error parsing XML for instance of class CreditsMenu; ");
      throw;
   }

   init();
}

//===========================================
// TextEntity::TextEntity
//===========================================
TextEntity::TextEntity(const XmlNode data)
   : Asset(internString("TextEntity")),
     Entity(data.firstChild()),
     m_renderer(Renderer::getInstance()),
     m_model(Renderer::TRIANGLES) {

   try {
      XML_NODE_CHECK(data, TextEntity);

      XmlNode node = data.nthChild(1);
      XML_NODE_CHECK(node, font);

      XmlAttribute attr = node.firstAttribute();
      XML_ATTR_CHECK(attr, ptr);
      long fontId = attr.getLong();

      AssetManager assetManager;
      pFont_t font = boost::dynamic_pointer_cast<Dodge::Font>(assetManager.getAssetPointer(fontId));

      if (!font)
         throw XmlException("Bad asset id", __FILE__, __LINE__);

      m_font = font;

      node = node.nextSibling();
      XML_NODE_CHECK(node, textSize);
      m_size = Vec2f(node.firstChild());

      node = node.nextSibling();
      XML_NODE_CHECK(node, text);
      setText(node.getString());
   }
   catch (XmlException& e) {
      e.prepend("Error parsing XML for instance of class TextEntity; ");
      throw;
   }
}

//===========================================
// TextEntity::assignData
//===========================================
void TextEntity::assignData(const XmlNode data) {
   try {
      if (data.isNull() || data.name() != "TextEntity") return;

      XmlNode node = data.nthChild(1);
      if (!node.isNull() && node.name() == "font") {

         XmlAttribute attr = node.firstAttribute();
         if (!attr.isNull() && attr.name() == "ptr") {
            long fontId = attr.getLong();

            AssetManager assetManager;
            pFont_t font = boost::dynamic_pointer_cast<Dodge::Font>(assetManager.getAssetPointer(fontId));

            if (!font)
               throw XmlException("Bad asset id", __FILE__, __LINE__);

            m_font = font;
         }

         node = node.nextSibling();
      }

      if (!node.isNull() && node.name() == "textSize") {
         m_size = Vec2f(node.firstChild());
         node = node.nextSibling();
      }

      XML_NODE_CHECK(node, text);
      setText(node.getString());
   }
   catch (XmlException& e) {
      e.prepend("Error parsing XML for instance of class TextEntity; ");
      throw;
   }
}

//===========================================
// Application::constructAsset
//===========================================
pAsset_t Application::constructAsset(const XmlNode data) {
   long proto = -1;
   bool addToWorld = false;

   XmlAttribute attr = data.firstAttribute();
   attr = attr.nextAttribute();

   if (!attr.isNull() && attr.name() == "proto") {
      proto = attr.getLong();
      attr = attr.nextAttribute();
   }

   if (!attr.isNull() && attr.name() == "addToWorld") {
      addToWorld = attr.getBool();
   }

   XmlNode node = data.firstChild();


   // Construct non-Entity assets

   if (node.name() == "Texture") return pAsset_t(new Texture(node));
   // ...


   // Construct Entities

   pEntity_t entity;

   // Does the XML description reference a prototype?
   if (proto != -1) {
      entity = pEntity_t(dynamic_cast<Entity*>(m_assetManager.cloneAsset(proto)));

      if (!entity)
         throw Exception("Prototype not found", __FILE__, __LINE__);

      // If the prototype has an Item object (aux data), set it to point at the entity.
      IAuxData* p = entity->getAuxDataPtr();
      if (p) {
         Item* item = dynamic_cast<Item*>(p);
         assert(item);

         item->setEntity(entity.get());
      }

      // If this XML node contains the entity along with an Item
      bool hasAuxData = false;
      if (node.name() == "ExtEntity") {
         node = node.firstChild();
         hasAuxData = true;
      }

      // The Entity node comes before the Item node
      entity->assignData(node);

      // Now we construct the Item
      if (hasAuxData) {
         node = node.nextSibling();

         if (node.name() != "Item")
            throw Exception("Expected Item node", __FILE__, __LINE__);

         Item* item = new Item(node);
         item->setEntity(entity.get());

         entity->attachAuxData(unique_ptr<Item>(item));
      }
   }
   // If XML description does not reference a prototype
   else {
      bool hasAuxData = false;
      if (node.name() == "ExtEntity") {
         node = node.firstChild();
         hasAuxData = true;
      }

      if (node.name() == "Player") entity = pEntity_t(new Player(node));
      if (node.name() == "Soil") entity = pEntity_t(new Soil(node));
      if (node.name() == "ParallaxSprite") entity = pEntity_t(new ParallaxSprite(node));
      if (node.name() == "Entity") entity = pEntity_t(new Entity(node));
      if (node.name() == "Sprite") entity = pEntity_t(new Sprite(node));
      if (node.name() == "PhysicalEntity") entity = pEntity_t(new PhysicalEntity<Box2dPhysics>(node));
      if (node.name() == "PhysicalSprite") entity = pEntity_t(new PhysicalSprite<Box2dPhysics>(node));

      if (!entity) {
         Exception ex("Unrecognised entity type '", __FILE__, __LINE__);
         ex.append(node.name());
         ex.append("'");
         throw ex;
      }

      if (hasAuxData) {
         node = node.nextSibling();

         if (node.name() != "Item")
            throw Exception("Expected Item node", __FILE__, __LINE__);

//.........这里部分代码省略.........

//===========================================
// Entity::Entity
//===========================================
Entity::Entity(const XmlNode data)
   : Asset(internString("Entity")),
     m_silent(false),
     m_parent(NULL) {

   AssetManager assetManager;
   ShapeFactory shapeFactory;

   try {
      setSilent(true);

      XML_NODE_CHECK(data, Entity);

      XmlAttribute attr = data.firstAttribute();
      XML_ATTR_CHECK(attr, type);
      m_type = internString(attr.getString());

      attr = attr.nextAttribute();
      XML_ATTR_CHECK(attr, name);
      m_name = internString(attr.getString());

      attr = attr.nextAttribute();
      XML_ATTR_CHECK(attr, x);
      m_transl.x = attr.getFloat();

      attr = attr.nextAttribute();
      XML_ATTR_CHECK(attr, y);
      m_transl.y = attr.getFloat();

      attr = attr.nextAttribute();
      XML_ATTR_CHECK(attr, z);
      m_z = attr.getFloat();

      // So that no Z values are 'exactly' equal
      m_z += 0.1f * static_cast<float32_t>(rand()) / static_cast<float32_t>(RAND_MAX);

      attr = attr.nextAttribute();
      XML_ATTR_CHECK(attr, rot);
      float32_t rot = attr.getFloat();

      XmlNode node = data.firstChild();
      if (!node.isNull() && node.name() == "shape") {
         m_shape = unique_ptr<Shape>(shapeFactory.create(node.firstChild()));
         node = node.nextSibling();
      }

      m_rot = 0;
      setRotation(rot);

      XML_NODE_CHECK(node, scale);
      m_scale = Vec2f(1.f, 1.f);
      setScale(Vec2f(node.firstChild()));

      node = node.nextSibling();
      XML_NODE_CHECK(node, fillColour);
      m_fillColour = Colour(node.firstChild());

      node = node.nextSibling();
      XML_NODE_CHECK(node, lineColour);
      m_lineColour = Colour(node.firstChild());

      node = node.nextSibling();
      XML_NODE_CHECK(node, lineWidth);
      m_lineWidth = node.getInt();

      node = node.nextSibling();
      XML_NODE_CHECK(node, children);
      XmlNode node_ = node.firstChild();
      while (!node_.isNull() && node_.name() == "child") {
         XmlAttribute attr = node_.firstAttribute();

         if (!attr.isNull() && attr.name() == "ptr") {
            long id = attr.getLong();

            pEntity_t child = boost::dynamic_pointer_cast<Entity>(assetManager.getAssetPointer(id));

            if (!child)
               throw XmlException("Bad entity asset id", __FILE__, __LINE__);

            addChild(child);
         }

         node_ = node_.nextSibling();
      }

      setSilent(false);

      ++m_count;
   }
   catch (XmlException& e) {
      e.prepend("Error parsing XML for instance of class Entity; ");
      throw;
   }

   recomputeBoundary();
}

//===========================================
// Entity::assignData
//===========================================
void Entity::assignData(const XmlNode data) {
   if (data.isNull() || data.name() != "Entity") return;

   AssetManager assetManager;
   ShapeFactory shapeFactory;

   try {
      bool silent = isSilent();
      setSilent(true);

      XmlAttribute attr = data.firstAttribute();
      if (!attr.isNull() && attr.name() == "type") {
         m_type = internString(attr.getString());
         attr = attr.nextAttribute();
      }

      if (!attr.isNull() && attr.name() == "name") {
         m_name = internString(attr.getString());
         attr = attr.nextAttribute();
      }

      Vec2f transl = m_transl;

      if (!attr.isNull() && attr.name() == "x") {
         transl.x = attr.getFloat();
         attr = attr.nextAttribute();
      }

      if (!attr.isNull() && attr.name() == "y") {
         transl.y = attr.getFloat();
         attr = attr.nextAttribute();
      }

      setTranslation(transl);

      if (!attr.isNull() && attr.name() == "z") {
         m_z = attr.getFloat();

         // So that no Z values are 'exactly' equal
         m_z += 0.1f * static_cast<float32_t>(rand()) / static_cast<float32_t>(RAND_MAX);

         attr = attr.nextAttribute();
      }

      XmlNode node = data.firstChild();
      if (!node.isNull() && node.name() == "shape") {
         m_shape = unique_ptr<Shape>(shapeFactory.create(node.firstChild()));
         node = node.nextSibling();
      }

      if (!node.isNull() && node.name() == "scale") {
         setScale(Vec2f(node.firstChild()));
         node = node.nextSibling();
      }

      if (!attr.isNull() && attr.name() == "rot") {
         setRotation(attr.getFloat());
      }

      if (!node.isNull() && node.name() == "fillColour") {
         m_fillColour = Colour(node.firstChild());
         node = node.nextSibling();
      }

      if (!node.isNull() && node.name() == "lineColour") {
         m_lineColour = Colour(node.firstChild());
         node = node.nextSibling();
      }

      if (!node.isNull() && node.name() == "lineWidth") {
         m_lineWidth = node.getInt();
         node = node.nextSibling();
      }

      if (!node.isNull() && node.name() == "children") {
         XmlNode node_ = node.firstChild();

         while (!node_.isNull() && node_.name() == "child") {
            XmlAttribute attr = node_.firstAttribute();

            if (!attr.isNull() && attr.name() == "ptr") {
               long id = attr.getLong();

               pEntity_t child = boost::dynamic_pointer_cast<Entity>(assetManager.getAssetPointer(id));

               if (!child)
                  throw XmlException("Bad entity asset id", __FILE__, __LINE__);

               addChild(child);
            }

            node_ = node_.nextSibling();
         }
      }

      setSilent(silent);
   }
//.........这里部分代码省略.........