bool ValueAnimation::LoadXML(const XMLElement& source)
{
valueType_ = VAR_NONE;
eventFrames_.Clear();
String interpMethodString = source.GetAttribute("interpolationmethod");
InterpMethod method = (InterpMethod)GetStringListIndex(interpMethodString.CString(), interpMethodNames, IM_LINEAR);
SetInterpolationMethod(method);
if (interpolationMethod_ == IM_SPLINE)
splineTension_ = source.GetFloat("splinetension");
XMLElement keyFrameElem = source.GetChild("keyframe");
while (keyFrameElem)
{
float time = keyFrameElem.GetFloat("time");
Variant value = keyFrameElem.GetVariant();
SetKeyFrame(time, value);
keyFrameElem = keyFrameElem.GetNext("keyframe");
}
XMLElement eventFrameElem = source.GetChild("eventframe");
while (eventFrameElem)
{
float time = eventFrameElem.GetFloat("time");
unsigned eventType = eventFrameElem.GetUInt("eventtype");
VariantMap eventData = eventFrameElem.GetChild("eventdata").GetVariantMap();
SetEventFrame(time, StringHash(eventType), eventData);
eventFrameElem = eventFrameElem.GetNext("eventframe");
}
return true;
}
VariantMap XMLElement::GetVariantMap() const
{
VariantMap ret;
XMLElement variantElem = GetChild("variant");
while (variantElem)
{
StringHash key(variantElem.GetUInt("hash"));
ret[key] = variantElem.GetVariant();
variantElem = variantElem.GetNext("variant");
}
return ret;
}
VariantMap XMLElement::GetVariantMap() const
{
VariantMap ret;
XMLElement variantElem = GetChild("variant");
while (variantElem)
{
// If this is a manually edited map, user can not be expected to calculate hashes manually. Also accept "name" attribute
if (variantElem.HasAttribute("name"))
ret[StringHash(variantElem.GetAttribute("name"))] = variantElem.GetVariant();
else if (variantElem.HasAttribute("hash"))
ret[StringHash(variantElem.GetUInt("hash"))] = variantElem.GetVariant();
variantElem = variantElem.GetNext("variant");
}
return ret;
}
bool Menu::LoadXML(const XMLElement& source, XMLFile* styleFile, bool setInstanceDefault)
{
// Get style override if defined
String styleName = source.GetAttribute("style");
// Apply the style first, if the style file is available
if (styleFile)
{
// If not defined, use type name
if (styleName.Empty())
styleName = GetTypeName();
SetStyle(styleName, styleFile);
}
// The 'style' attribute value in the style file cannot be equals to original's applied style to prevent infinite loop
else if (!styleName.Empty() && styleName != appliedStyle_)
{
// Attempt to use the default style file
styleFile = GetDefaultStyle();
if (styleFile)
{
// Remember the original applied style
String appliedStyle(appliedStyle_);
SetStyle(styleName, styleFile);
appliedStyle_ = appliedStyle;
}
}
// Then load rest of the attributes from the source
if (!Serializable::LoadXML(source, setInstanceDefault))
return false;
unsigned nextInternalChild = 0;
// Load child elements. Internal elements are not to be created as they already exist
XMLElement childElem = source.GetChild("element");
while (childElem)
{
bool internalElem = childElem.GetBool("internal");
bool popupElem = childElem.GetBool("popup");
String typeName = childElem.GetAttribute("type");
if (typeName.Empty())
typeName = "UIElement";
unsigned index = childElem.HasAttribute("index") ? childElem.GetUInt("index") : M_MAX_UNSIGNED;
UIElement* child = 0;
if (!internalElem)
{
if (!popupElem)
child = CreateChild(typeName, String::EMPTY, index);
else
{
// Do not add the popup element as a child even temporarily, as that can break layouts
SharedPtr<UIElement> popup = DynamicCast<UIElement>(context_->CreateObject(typeName));
if (!popup)
URHO3D_LOGERROR("Could not create popup element type " + typeName);
else
{
child = popup;
SetPopup(popup);
}
}
}
else
{
// An internal popup element should already exist
if (popupElem)
child = popup_;
else
{
for (unsigned i = nextInternalChild; i < children_.Size(); ++i)
{
if (children_[i]->IsInternal() && children_[i]->GetTypeName() == typeName)
{
child = children_[i];
nextInternalChild = i + 1;
break;
}
}
if (!child)
URHO3D_LOGWARNING("Could not find matching internal child element of type " + typeName + " in " + GetTypeName());
}
}
if (child)
{
if (!styleFile)
styleFile = GetDefaultStyle();
// As popup is not a child element in itself, the parental chain to acquire the default style file is broken for popup's child elements
// To recover from this, popup needs to have the default style set in its own instance so the popup's child elements can find it later
if (popupElem)
child->SetDefaultStyle(styleFile);
if (!child->LoadXML(childElem, styleFile, setInstanceDefault))
return false;
}
childElem = childElem.GetNext("element");
}
ApplyAttributes();
return true;
}
bool Scene::LoadAsyncXML(File* file, LoadMode mode)
{
if (!file)
{
URHO3D_LOGERROR("Null file for async loading");
return false;
}
StopAsyncLoading();
SharedPtr<XMLFile> xml(new XMLFile(context_));
if (!xml->Load(*file))
return false;
if (mode > LOAD_RESOURCES_ONLY)
{
URHO3D_LOGINFO("Loading scene from " + file->GetName());
Clear();
}
asyncLoading_ = true;
asyncProgress_.xmlFile_ = xml;
asyncProgress_.file_ = file;
asyncProgress_.mode_ = mode;
asyncProgress_.loadedNodes_ = asyncProgress_.totalNodes_ = asyncProgress_.loadedResources_ = asyncProgress_.totalResources_ = 0;
asyncProgress_.resources_.Clear();
if (mode > LOAD_RESOURCES_ONLY)
{
XMLElement rootElement = xml->GetRoot();
// Preload resources if appropriate
if (mode != LOAD_SCENE)
{
URHO3D_PROFILE(FindResourcesToPreload);
PreloadResourcesXML(rootElement);
}
// Store own old ID for resolving possible root node references
unsigned nodeID = rootElement.GetUInt("id");
resolver_.AddNode(nodeID, this);
// Load the root level components first
if (!Node::LoadXML(rootElement, resolver_, false))
return false;
// Then prepare for loading all root level child nodes in the async update
XMLElement childNodeElement = rootElement.GetChild("node");
asyncProgress_.xmlElement_ = childNodeElement;
// Count the amount of child nodes
while (childNodeElement)
{
++asyncProgress_.totalNodes_;
childNodeElement = childNodeElement.GetNext("node");
}
}
else
{
URHO3D_PROFILE(FindResourcesToPreload);
URHO3D_LOGINFO("Preloading resources from " + file->GetName());
PreloadResourcesXML(xml->GetRoot());
}
return true;
}
bool AnimationSet2D::LoadAnimation(const XMLElement& animationElem)
{
SharedPtr<Animation2D> animation(new Animation2D(this));
String name = animationElem.GetAttribute("name");
animation->SetName(name);
float length = animationElem.GetFloat("length") * 0.001f;
animation->SetLength(length);
bool looped = true;
if (animationElem.HasAttribute("looping"))
looped = animationElem.GetBool("looping");
animation->SetLooped(looped);
// Load timelines
for (XMLElement timelineElem = animationElem.GetChild("timeline"); timelineElem; timelineElem = timelineElem.GetNext("timeline"))
{
Timeline2D timeline;
timeline.name_ = timelineElem.GetAttribute("name");
if (timelineElem.GetAttribute("object_type") == "bone")
timeline.type_ = OT_BONE;
else
timeline.type_ = OT_SPRITE;
for (XMLElement keyElem = timelineElem.GetChild("key"); keyElem; keyElem = keyElem.GetNext("key"))
{
TimelineKey2D key;
key.time_ = keyElem.GetFloat("time") * 0.001f;
key.spin_ = 1;
if (keyElem.HasAttribute("spin"))
key.spin_ = keyElem.GetInt("spin");
XMLElement childElem = keyElem.GetChild();
Vector2 position;
position.x_ = childElem.GetFloat("x");
position.y_ = childElem.GetFloat("y");
float angle = childElem.GetFloat("angle");
Vector2 scale(Vector2::ONE);
if (childElem.HasAttribute("scale_x"))
scale.x_ = childElem.GetFloat("scale_x");
if (childElem.HasAttribute("scale_y"))
scale.y_ = childElem.GetFloat("scale_y");
key.transform_ = Transform2D(position, angle, scale);
if (timeline.type_ == OT_SPRITE)
{
int folder = childElem.GetUInt("folder");
int file = childElem.GetUInt("file");
key.sprite_ = GetSprite(folder, file);
if (!key.sprite_)
{
LOGERROR("Could not find sprite");
return false;
}
if (childElem.HasAttribute("pivot_x"))
key.hotSpot_.x_ = childElem.GetFloat("pivot_x");
else
key.hotSpot_.x_ = key.sprite_->GetHotSpot().x_;
if (childElem.HasAttribute("pivot_y"))
key.hotSpot_.y_ = childElem.GetFloat("pivot_y");
else
key.hotSpot_.y_ = key.sprite_->GetHotSpot().y_;
if (childElem.HasAttribute("a"))
key.alpha_ = childElem.GetFloat("a");
}
timeline.timelineKeys_.Push(key);
}
// Add end key for looped animation
if (looped && timeline.timelineKeys_.Back().time_ != length)
{
TimelineKey2D key = timeline.timelineKeys_.Front();
key.time_ = length;
timeline.timelineKeys_.Push(key);
}
animation->AddTimeline(timeline);
}
// Load main line
XMLElement mainlineElem = animationElem.GetChild("mainline");
for (XMLElement keyElem = mainlineElem.GetChild("key"); keyElem; keyElem = keyElem.GetNext("key"))
{
MainlineKey2D mainlineKey;
int id = keyElem.GetInt("id");
mainlineKey.time_ = keyElem.GetFloat("time") * 0.001f;
for (XMLElement refElem = keyElem.GetChild(); refElem; refElem = refElem.GetNext())
{
Reference2D ref;
int refId = refElem.GetInt("id");
if (refElem.GetName() == "bone_ref")
ref.type_ = OT_BONE;
else
ref.type_ = OT_SPRITE;
ref.timeline_ = refElem.GetInt("timeline");
if (refElem.HasAttribute("parent"))
{
int parent = refElem.GetInt("parent");
int parentTimeline = mainlineKey.references_[parent].timeline_;
animation->SetTimelineParent(ref.timeline_, parentTimeline);
}
if (refElem.GetName() == "object_ref")
ref.zIndex_ = refElem.GetInt("z_index");
mainlineKey.references_.Push(ref);
}
animation->AddMainlineKey(mainlineKey);
}
animations_.Push(animation);
return true;
}
bool AnimationSet2D::LoadFolders(const XMLElement& rootElem)
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
bool async = GetAsyncLoadState() == ASYNC_LOADING;
String parentPath = GetParentPath(GetName());
String spriteSheetFilePath = parentPath + GetFileName(GetName()) + ".xml";
SpriteSheet2D* spriteSheet = 0;
bool hasSpriteSheet = false;
// When async loading, request the sprite sheet for background loading but do not actually get it
if (!async)
spriteSheet = cache->GetResource<SpriteSheet2D>(spriteSheetFilePath, false);
else
{
hasSpriteSheet = cache->Exists(spriteSheetFilePath);
if (hasSpriteSheet)
cache->BackgroundLoadResource<SpriteSheet2D>(spriteSheetFilePath, false, this);
}
for (XMLElement folderElem = rootElem.GetChild("folder"); folderElem; folderElem = folderElem.GetNext("folder"))
{
unsigned folderId = folderElem.GetUInt("id");
for (XMLElement fileElem = folderElem.GetChild("file"); fileElem; fileElem = fileElem.GetNext("file"))
{
unsigned fileId = fileElem.GetUInt("id");
String fileName = fileElem.GetAttribute("name");
// When async loading, request the sprites for background loading but do not actually get them
if (!async)
{
SharedPtr<Sprite2D> sprite;
if (spriteSheet)
sprite = spriteSheet->GetSprite(GetFileName(fileName));
else
sprite = (cache->GetResource<Sprite2D>(parentPath + fileName));
if (!sprite)
{
LOGERROR("Could not load sprite " + fileName);
return false;
}
Vector2 hotSpot(0.0f, 1.0f);
if (fileElem.HasAttribute("pivot_x"))
hotSpot.x_ = fileElem.GetFloat("pivot_x");
if (fileElem.HasAttribute("pivot_y"))
hotSpot.y_ = fileElem.GetFloat("pivot_y");
// If sprite is trimmed, recalculate hot spot
const IntVector2& offset = sprite->GetOffset();
if (offset != IntVector2::ZERO)
{
int width = fileElem.GetInt("width");
int height = fileElem.GetInt("height");
float pivotX = width * hotSpot.x_;
float pivotY = height * (1.0f - hotSpot.y_);
const IntRect& rectangle = sprite->GetRectangle();
hotSpot.x_ = (offset.x_ + pivotX) / rectangle.Width();
hotSpot.y_ = 1.0f - (offset.y_ + pivotY) / rectangle.Height();
}
sprite->SetHotSpot(hotSpot);
sprites_[(folderId << 16) + fileId] = sprite;
}
else if (!hasSpriteSheet)
cache->BackgroundLoadResource<Sprite2D>(parentPath + fileName, true, this);
}
}
return true;
}
