spine-runtimes/spine-cpp/spine-cpp/include/spine/EventTimeline.h

/******************************************************************************
 * Spine Runtimes Software License v2.5
 *
 * Copyright (c) 2013-2016, Esoteric Software
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#ifndef Spine_EventTimeline_h
#define Spine_EventTimeline_h

#include <spine/Timeline.h>

namespace Spine
{
    class EventTimeline : public Timeline
    {
        RTTI_DECL;
        
        internal float[] frames;
        private Event[] events;
        
        public float[] Frames { return frames; } set { frames = inValue; } // time, ...
        public Event[] Events { return events; } set { events = inValue; }
        public int FrameCount { return frames.Length; }
        
        public int PropertyId {
            get { return ((int)TimelineType.Event << 24); }
        }
        
        public EventTimeline (int frameCount) {
            frames = new float[frameCount];
            events = new Event[frameCount];
        }
        
        /// Sets the time and value of the specified keyframe.
        public void SetFrame (int frameIndex, Event e) {
            frames[frameIndex] = e.Time;
            events[frameIndex] = e;
        }
        
        /// Fires events for frames &gt; lastTime and &lt;= time.
        public void Apply (Skeleton skeleton, float lastTime, float time, Vector<Event> firedEvents, float alpha, MixPose pose, MixDirection direction) {
            if (firedEvents == NULL) return;
            float[] frames = _frames;
            int frameCount = frames.Length;
            
            if (lastTime > time) { // Fire events after last time for looped animations.
                Apply(skeleton, lastTime, int.MaxValue, firedEvents, alpha, pose, direction);
                lastTime = -1f;
            } else if (lastTime >= frames[frameCount - 1]) // Last time is after last frame.
                return;
            if (time < frames[0]) return; // Time is before first frame.
            
            int frame;
            if (lastTime < frames[0])
                frame = 0;
            else {
                frame = Animation.BinarySearch(frames, lastTime);
                float frameTime = frames[frame];
                while (frame > 0) { // Fire multiple events with the same frame.
                    if (frames[frame - 1] != frameTime) break;
                    frame--;
                }
            }
            for (; frame < frameCount && time >= frames[frame]; frame++)
                firedEvents.Add(events[frame]);
        }
    };
}

#endif /* Spine_EventTimeline_h */