void Audio::PlayTrack(const String& filename)
{
if (mCurrentTrack)
{
DestroyTrack(mCurrentTrack);
}
// Attempt to play the next track
try
{
mCurrentTrack = CreateTrack(filename);
mCurrentTrack->Play();
}
catch (std::runtime_error& e)
{
LOG << "Runtime Error: " << e.what();
DestroyTrack(mCurrentTrack);
mCurrentTrack = nullptr;
}
}
bool Animation::BeginLoad(Deserializer& source)
{
unsigned memoryUse = sizeof(Animation);
// Check ID
if (source.ReadFileID() != "UANI")
{
URHO3D_LOGERROR(source.GetName() + " is not a valid animation file");
return false;
}
// Read name and length
animationName_ = source.ReadString();
animationNameHash_ = animationName_;
length_ = source.ReadFloat();
tracks_.Clear();
unsigned tracks = source.ReadUInt();
memoryUse += tracks * sizeof(AnimationTrack);
// Read tracks
for (unsigned i = 0; i < tracks; ++i)
{
AnimationTrack* newTrack = CreateTrack(source.ReadString());
newTrack->channelMask_ = source.ReadUByte();
unsigned keyFrames = source.ReadUInt();
newTrack->keyFrames_.Resize(keyFrames);
memoryUse += keyFrames * sizeof(AnimationKeyFrame);
// Read keyframes of the track
for (unsigned j = 0; j < keyFrames; ++j)
{
AnimationKeyFrame& newKeyFrame = newTrack->keyFrames_[j];
newKeyFrame.time_ = source.ReadFloat();
if (newTrack->channelMask_ & CHANNEL_POSITION)
newKeyFrame.position_ = source.ReadVector3();
if (newTrack->channelMask_ & CHANNEL_ROTATION)
newKeyFrame.rotation_ = source.ReadQuaternion();
if (newTrack->channelMask_ & CHANNEL_SCALE)
newKeyFrame.scale_ = source.ReadVector3();
}
}
// Optionally read triggers from an XML file
ResourceCache* cache = GetSubsystem<ResourceCache>();
String xmlName = ReplaceExtension(GetName(), ".xml");
SharedPtr<XMLFile> file(cache->GetTempResource<XMLFile>(xmlName, false));
if (file)
{
XMLElement rootElem = file->GetRoot();
XMLElement triggerElem = rootElem.GetChild("trigger");
while (triggerElem)
{
if (triggerElem.HasAttribute("normalizedtime"))
AddTrigger(triggerElem.GetFloat("normalizedtime"), true, triggerElem.GetVariant());
else if (triggerElem.HasAttribute("time"))
AddTrigger(triggerElem.GetFloat("time"), false, triggerElem.GetVariant());
triggerElem = triggerElem.GetNext("trigger");
}
memoryUse += triggers_.Size() * sizeof(AnimationTriggerPoint);
SetMemoryUse(memoryUse);
return true;
}
// Optionally read triggers from a JSON file
String jsonName = ReplaceExtension(GetName(), ".json");
SharedPtr<JSONFile> jsonFile(cache->GetTempResource<JSONFile>(jsonName, false));
if (jsonFile)
{
const JSONValue& rootVal = jsonFile->GetRoot();
JSONArray triggerArray = rootVal.Get("triggers").GetArray();
for (unsigned i = 0; i < triggerArray.Size(); i++)
{
const JSONValue& triggerValue = triggerArray.At(i);
JSONValue normalizedTimeValue = triggerValue.Get("normalizedTime");
if (!normalizedTimeValue.IsNull())
AddTrigger(normalizedTimeValue.GetFloat(), true, triggerValue.GetVariant());
else
{
JSONValue timeVal = triggerValue.Get("time");
if (!timeVal.IsNull())
AddTrigger(timeVal.GetFloat(), false, triggerValue.GetVariant());
}
}
memoryUse += triggers_.Size() * sizeof(AnimationTriggerPoint);
SetMemoryUse(memoryUse);
return true;
}
SetMemoryUse(memoryUse);
return true;
}
// Create and add a raw track to the media file (it has no encoder)
BMediaTrack*
BMediaFile::CreateTrack(media_format* mf, uint32 flags)
{
return CreateTrack(mf, NULL, flags);
}
void ReAnimEntityWidget::OnNewAlphaTrack()
{
CreateTrack( ETrackType_Alpha );
}
void ReAnimEntityWidget::OnNewScaleTrack()
{
CreateTrack( ETrackType_Scale );
}
void ReAnimEntityWidget::OnNewRotationTrack()
{
CreateTrack( ETrackType_Rotation );
}
void ReAnimEntityWidget::OnNewTranslationTrack()
{
CreateTrack( ETrackType_Translation );
}