C++ XMLElement::GetVector2方法代码示例

void RenderTargetInfo::Load(const XMLElement& element)
{
    name_ = element.GetAttribute("name");
    tag_ = element.GetAttribute("tag");
    if (element.HasAttribute("enabled"))
        enabled_ = element.GetBool("enabled");
    if (element.HasAttribute("cubemap"))
        cubemap_ = element.GetBool("cubemap");

    String formatName = element.GetAttribute("format");
    format_ = Graphics::GetFormat(formatName);

    if (element.HasAttribute("filter"))
        filtered_ = element.GetBool("filter");

    if (element.HasAttribute("srgb"))
        sRGB_ = element.GetBool("srgb");

    if (element.HasAttribute("persistent"))
        persistent_ = element.GetBool("persistent");

    if (element.HasAttribute("size"))
        size_ = element.GetVector2("size");
    if (element.HasAttribute("sizedivisor"))
    {
        size_ = element.GetVector2("sizedivisor");
        sizeMode_ = SIZE_VIEWPORTDIVISOR;
    }
    else if (element.HasAttribute("rtsizedivisor"))
    {
        // Deprecated rtsizedivisor mode, acts the same as sizedivisor mode now
        URHO3D_LOGWARNING("Deprecated rtsizedivisor mode used in rendertarget definition");
        size_ = element.GetVector2("rtsizedivisor");
        sizeMode_ = SIZE_VIEWPORTDIVISOR;
    }
    else if (element.HasAttribute("sizemultiplier"))
    {
        size_ = element.GetVector2("sizemultiplier");
        sizeMode_ = SIZE_VIEWPORTMULTIPLIER;
    }

    if (element.HasAttribute("width"))
        size_.x_ = element.GetFloat("width");
    if (element.HasAttribute("height"))
        size_.y_ = element.GetFloat("height");

    if (element.HasAttribute("multisample"))
        multiSample_ = Clamp(element.GetInt("multisample"), 1, 16);
    if (element.HasAttribute("autoresolve"))
        autoResolve_ = element.GetBool("autoresolve");
}

void ParticleEffect::GetVector2MinMax(const XMLElement& element, Vector2& minValue, Vector2& maxValue)
{
    if (element.IsNull())
        return;

    if (element.HasAttribute("value"))
        minValue = maxValue = element.GetVector2("value");

    if (element.HasAttribute("min") && element.HasAttribute("max"))
    {
        minValue = element.GetVector2("min");
        maxValue = element.GetVector2("max");
    }
}

bool SpriteSheet2D::Load(Deserializer& source)
{
    spriteMapping_.Clear();

    SharedPtr<XMLFile> xmlFile(new XMLFile(context_));
    if(!xmlFile->Load(source))
    {
        LOGERROR("Could not load sprite sheet");
        return false;
    }

    SetMemoryUse(source.GetSize());

    XMLElement rootElem = xmlFile->GetRoot();
    if (!rootElem)
    {
        LOGERROR("Invalid sprite sheet");
        return false;
    }

    if (rootElem.GetName() == "spritesheet")
    {
        ResourceCache* cache = GetSubsystem<ResourceCache>();
        String textureFileName = rootElem.GetAttribute("texture");
        texture_ = cache->GetResource<Texture2D>(textureFileName, false);
        // If texture not found, try get in current directory
        if (!texture_)
            texture_ = cache->GetResource<Texture2D>(GetParentPath(GetName()) + textureFileName);

        if (!texture_)
        {
            LOGERROR("Cound not load texture");
            return false;
        }

        XMLElement spriteElem = rootElem.GetChild("sprite");
        while (spriteElem)
        {
            String name = spriteElem.GetAttribute("name");
            IntRect rectangle = spriteElem.GetIntRect("rectangle");

            Vector2 hotSpot(0.5f, 0.5f);
            if (spriteElem.HasAttribute("hotspot"))
                hotSpot = spriteElem.GetVector2("hotspot");

            DefineSprite(name, rectangle, hotSpot);

            spriteElem = spriteElem.GetNext("sprite");
        }
    }
    // Sparrow Starling texture atlas
    else if (rootElem.GetName() == "TextureAtlas")
    {    
        String textureFileName = rootElem.GetAttribute("imagePath");
        ResourceCache* cache = GetSubsystem<ResourceCache>();
        texture_ = cache->GetResource<Texture2D>(textureFileName, false);
        // If texture not found, try get in current directory
        if (!texture_)
            texture_ = cache->GetResource<Texture2D>(GetParentPath(GetName()) + textureFileName);

        if (!texture_)
        {
            LOGERROR("Cound not load texture");
            return false;
        }

        XMLElement subTextureElem = rootElem.GetChild("SubTexture");
        while (subTextureElem)
        {
            String name = subTextureElem.GetAttribute("name");

            int x = subTextureElem.GetInt("x");
            int y = subTextureElem.GetInt("y");
            int width = subTextureElem.GetInt("width");
            int height = subTextureElem.GetInt("height");
            IntRect rectangle(x, y, x + width, y + height);

            Vector2 hotSpot(0.5f, 0.5f);
            if (subTextureElem.HasAttribute("frameWidth") && subTextureElem.HasAttribute("frameHeight"))
            {
                int frameX = subTextureElem.GetInt("frameX");
                int frameY = subTextureElem.GetInt("frameY");
                int frameWidth = subTextureElem.GetInt("frameWidth");
                int frameHeight = subTextureElem.GetInt("frameHeight");
                hotSpot.x_ = ((float)frameX + frameWidth / 2) / width;
                hotSpot.y_ = 1.0f - ((float)frameY + frameHeight / 2) / height;
            }

            DefineSprite(name, rectangle, hotSpot);

            subTextureElem = subTextureElem.GetNext("SubTexture");
        }
    }
    else
    {
        LOGERROR("Invalid sprite sheet file");
        return false;
    }

    return true;
//.........这里部分代码省略.........