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;
}
