Sync spine=3.8 latest

Author: halx99

extensions/spine/README.md

@@ -1,6 +1,9 @@
-# The spine-runtime for axis
-* version: 3.8
-* based on spine-cpp
+# spine 3.6~4.1 for axis
 
-# Reference links
-* official spine-runtimes: https://github.com/EsotericSoftware/spine-runtimes
+## Usage
+1. Delete all files of folder ```axis/extensions/spine```
+2. Switch to branch `spinexx` then copy `spine-axis/spine` to ```axis/extensions/spine```
+
+## References
+* axis: https://github.com/axis-project/axis
+* spine-runtimes: https://github.com/EsotericSoftware/spine-runtimes

extensions/spine/runtime/include/spine/EventTimeline.h

@@ -51,7 +51,7 @@ namespace spine {
 		/// Sets the time and value of the specified keyframe.
 		void setFrame(size_t frameIndex, Event* event);
 
-		Vector<float> getFrames();
+		const Vector<float>& getFrames();
 		Vector<Event*>& getEvents();
 		size_t getFrameCount();
 

extensions/spine/runtime/src/spine/EventTimeline.cpp

@@ -104,7 +104,7 @@ void EventTimeline::setFrame(size_t frameIndex, Event *event) {
 	_events[frameIndex] = event;
 }
 
-Vector<float> EventTimeline::getFrames() { return _frames; }
+const Vector<float>& EventTimeline::getFrames() { return _frames; }
 
 Vector<Event *> &EventTimeline::getEvents() { return _events; }