spine-runtimes/spine-ts/core/src/AnimationState.ts

850 lines
29 KiB
TypeScript

/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
module spine {
export class AnimationState {
static emptyAnimation = new Animation("<empty>", [], 0);
static SUBSEQUENT = 0;
static FIRST = 1;
static HOLD = 2;
static HOLD_MIX = 3;
data: AnimationStateData;
tracks = new Array<TrackEntry>();
events = new Array<Event>();
listeners = new Array<AnimationStateListener2>();
queue = new EventQueue(this);
propertyIDs = new IntSet();
animationsChanged = false;
timeScale = 1;
trackEntryPool = new Pool<TrackEntry>(() => new TrackEntry());
constructor (data: AnimationStateData) {
this.data = data;
}
update (delta: number) {
delta *= this.timeScale;
let tracks = this.tracks;
for (let i = 0, n = tracks.length; i < n; i++) {
let current = tracks[i];
if (current == null) continue;
current.animationLast = current.nextAnimationLast;
current.trackLast = current.nextTrackLast;
let currentDelta = delta * current.timeScale;
if (current.delay > 0) {
current.delay -= currentDelta;
if (current.delay > 0) continue;
currentDelta = -current.delay;
current.delay = 0;
}
let next = current.next;
if (next != null) {
// When the next entry's delay is passed, change to the next entry, preserving leftover time.
let nextTime = current.trackLast - next.delay;
if (nextTime >= 0) {
next.delay = 0;
next.trackTime = (nextTime / current.timeScale + delta) * next.timeScale;
current.trackTime += currentDelta;
this.setCurrent(i, next, true);
while (next.mixingFrom != null) {
next.mixTime += delta;
next = next.mixingFrom;
}
continue;
}
} else if (current.trackLast >= current.trackEnd && current.mixingFrom == null) {
tracks[i] = null;
this.queue.end(current);
this.disposeNext(current);
continue;
}
if (current.mixingFrom != null && this.updateMixingFrom(current, delta)) {
// End mixing from entries once all have completed.
let from = current.mixingFrom;
current.mixingFrom = null;
if (from != null) from.mixingTo = null;
while (from != null) {
this.queue.end(from);
from = from.mixingFrom;
}
}
current.trackTime += currentDelta;
}
this.queue.drain();
}
updateMixingFrom (to: TrackEntry, delta: number): boolean {
let from = to.mixingFrom;
if (from == null) return true;
let finished = this.updateMixingFrom(from, delta);
from.animationLast = from.nextAnimationLast;
from.trackLast = from.nextTrackLast;
// Require mixTime > 0 to ensure the mixing from entry was applied at least once.
if (to.mixTime > 0 && to.mixTime >= to.mixDuration) {
// Require totalAlpha == 0 to ensure mixing is complete, unless mixDuration == 0 (the transition is a single frame).
if (from.totalAlpha == 0 || to.mixDuration == 0) {
to.mixingFrom = from.mixingFrom;
if (from.mixingFrom != null) from.mixingFrom.mixingTo = to;
to.interruptAlpha = from.interruptAlpha;
this.queue.end(from);
}
return finished;
}
from.trackTime += delta * from.timeScale;
to.mixTime += delta;
return false;
}
apply (skeleton: Skeleton) : boolean {
if (skeleton == null) throw new Error("skeleton cannot be null.");
if (this.animationsChanged) this._animationsChanged();
let events = this.events;
let tracks = this.tracks;
let applied = false;
for (let i = 0, n = tracks.length; i < n; i++) {
let current = tracks[i];
if (current == null || current.delay > 0) continue;
applied = true;
let blend: MixBlend = i == 0 ? MixBlend.first : current.mixBlend;
// Apply mixing from entries first.
let mix = current.alpha;
if (current.mixingFrom != null)
mix *= this.applyMixingFrom(current, skeleton, blend);
else if (current.trackTime >= current.trackEnd && current.next == null)
mix = 0;
// Apply current entry.
let animationLast = current.animationLast, animationTime = current.getAnimationTime();
let timelineCount = current.animation.timelines.length;
let timelines = current.animation.timelines;
if (i == 0 && (mix == 1 || blend == MixBlend.add)) {
for (let ii = 0; ii < timelineCount; ii++)
timelines[ii].apply(skeleton, animationLast, animationTime, events, mix, blend, MixDirection.in);
} else {
let timelineMode = current.timelineMode;
let firstFrame = current.timelinesRotation.length == 0;
if (firstFrame) Utils.setArraySize(current.timelinesRotation, timelineCount << 1, null);
let timelinesRotation = current.timelinesRotation;
for (let ii = 0; ii < timelineCount; ii++) {
let timeline = timelines[ii];
let timelineBlend = timelineMode[ii] == AnimationState.SUBSEQUENT ? blend : MixBlend.setup;
if (timeline instanceof RotateTimeline) {
this.applyRotateTimeline(timeline, skeleton, animationTime, mix, timelineBlend, timelinesRotation, ii << 1, firstFrame);
} else {
// This fixes the WebKit 602 specific issue described at http://esotericsoftware.com/forum/iOS-10-disappearing-graphics-10109
Utils.webkit602BugfixHelper(mix, blend);
timeline.apply(skeleton, animationLast, animationTime, events, mix, timelineBlend, MixDirection.in);
}
}
}
this.queueEvents(current, animationTime);
events.length = 0;
current.nextAnimationLast = animationTime;
current.nextTrackLast = current.trackTime;
}
this.queue.drain();
return applied;
}
applyMixingFrom (to: TrackEntry, skeleton: Skeleton, blend: MixBlend) {
let from = to.mixingFrom;
if (from.mixingFrom != null) this.applyMixingFrom(from, skeleton, blend);
let mix = 0;
if (to.mixDuration == 0) { // Single frame mix to undo mixingFrom changes.
mix = 1;
if (blend == MixBlend.first) blend = MixBlend.setup;
} else {
mix = to.mixTime / to.mixDuration;
if (mix > 1) mix = 1;
if (blend != MixBlend.first) blend = from.mixBlend;
}
let events = mix < from.eventThreshold ? this.events : null;
let attachments = mix < from.attachmentThreshold, drawOrder = mix < from.drawOrderThreshold;
let animationLast = from.animationLast, animationTime = from.getAnimationTime();
let timelineCount = from.animation.timelines.length;
let timelines = from.animation.timelines;
let alphaHold = from.alpha * to.interruptAlpha, alphaMix = alphaHold * (1 - mix);
if (blend == MixBlend.add) {
for (var i = 0; i < timelineCount; i++)
timelines[i].apply(skeleton, animationLast, animationTime, events, alphaMix, blend, MixDirection.out);
} else {
let timelineMode = from.timelineMode;
let timelineHoldMix = from.timelineHoldMix;
let firstFrame = from.timelinesRotation.length == 0;
if (firstFrame) Utils.setArraySize(from.timelinesRotation, timelineCount << 1, null);
let timelinesRotation = from.timelinesRotation;
from.totalAlpha = 0;
for (var i = 0; i < timelineCount; i++) {
let timeline = timelines[i];
var direction = MixDirection.out;
var timelineBlend: MixBlend;
var alpha = 0;
switch (timelineMode[i]) {
case AnimationState.SUBSEQUENT:
if (!attachments && timeline instanceof AttachmentTimeline) continue;
if (!drawOrder && timeline instanceof DrawOrderTimeline) continue;
timelineBlend = blend;
alpha = alphaMix;
break;
case AnimationState.FIRST:
timelineBlend = MixBlend.setup;
alpha = alphaMix;
break;
case AnimationState.HOLD:
timelineBlend = MixBlend.setup;
alpha = alphaHold;
break;
default:
timelineBlend = MixBlend.setup;
let holdMix = timelineHoldMix[i];
alpha = alphaHold * Math.max(0, 1 - holdMix.mixTime / holdMix.mixDuration);
break;
}
from.totalAlpha += alpha;
if (timeline instanceof RotateTimeline)
this.applyRotateTimeline(timeline, skeleton, animationTime, alpha, timelineBlend, timelinesRotation, i << 1, firstFrame);
else {
// This fixes the WebKit 602 specific issue described at http://esotericsoftware.com/forum/iOS-10-disappearing-graphics-10109
Utils.webkit602BugfixHelper(alpha, blend);
if (timelineBlend = MixBlend.setup) {
if (timeline instanceof AttachmentTimeline) {
if (attachments) direction = MixDirection.out;
} else if (timeline instanceof DrawOrderTimeline) {
if (drawOrder) direction = MixDirection.out;
}
}
timeline.apply(skeleton, animationLast, animationTime, events, alpha, timelineBlend, direction);
}
}
}
if (to.mixDuration > 0) this.queueEvents(from, animationTime);
this.events.length = 0;
from.nextAnimationLast = animationTime;
from.nextTrackLast = from.trackTime;
return mix;
}
applyRotateTimeline (timeline: Timeline, skeleton: Skeleton, time: number, alpha: number, blend: MixBlend,
timelinesRotation: Array<number>, i: number, firstFrame: boolean) {
if (firstFrame) timelinesRotation[i] = 0;
if (alpha == 1) {
timeline.apply(skeleton, 0, time, null, 1, blend, MixDirection.in);
return;
}
let rotateTimeline = timeline as RotateTimeline;
let frames = rotateTimeline.frames;
let bone = skeleton.bones[rotateTimeline.boneIndex];
if (time < frames[0]) {
if (blend == MixBlend.setup) bone.rotation = bone.data.rotation;
return;
}
let r2 = 0;
if (time >= frames[frames.length - RotateTimeline.ENTRIES]) // Time is after last frame.
r2 = bone.data.rotation + frames[frames.length + RotateTimeline.PREV_ROTATION];
else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, RotateTimeline.ENTRIES);
let prevRotation = frames[frame + RotateTimeline.PREV_ROTATION];
let frameTime = frames[frame];
let percent = rotateTimeline.getCurvePercent((frame >> 1) - 1,
1 - (time - frameTime) / (frames[frame + RotateTimeline.PREV_TIME] - frameTime));
r2 = frames[frame + RotateTimeline.ROTATION] - prevRotation;
r2 -= (16384 - ((16384.499999999996 - r2 / 360) | 0)) * 360;
r2 = prevRotation + r2 * percent + bone.data.rotation;
r2 -= (16384 - ((16384.499999999996 - r2 / 360) | 0)) * 360;
}
// Mix between rotations using the direction of the shortest route on the first frame while detecting crosses.
let r1 = blend == MixBlend.setup ? bone.data.rotation : bone.rotation;
let total = 0, diff = r2 - r1;
diff -= (16384 - ((16384.499999999996 - diff / 360) | 0)) * 360;
if (diff == 0) {
total = timelinesRotation[i];
} else {
let lastTotal = 0, lastDiff = 0;
if (firstFrame) {
lastTotal = 0;
lastDiff = diff;
} else {
lastTotal = timelinesRotation[i]; // Angle and direction of mix, including loops.
lastDiff = timelinesRotation[i + 1]; // Difference between bones.
}
let current = diff > 0, dir = lastTotal >= 0;
// Detect cross at 0 (not 180).
if (MathUtils.signum(lastDiff) != MathUtils.signum(diff) && Math.abs(lastDiff) <= 90) {
// A cross after a 360 rotation is a loop.
if (Math.abs(lastTotal) > 180) lastTotal += 360 * MathUtils.signum(lastTotal);
dir = current;
}
total = diff + lastTotal - lastTotal % 360; // Store loops as part of lastTotal.
if (dir != current) total += 360 * MathUtils.signum(lastTotal);
timelinesRotation[i] = total;
}
timelinesRotation[i + 1] = diff;
r1 += total * alpha;
bone.rotation = r1 - (16384 - ((16384.499999999996 - r1 / 360) | 0)) * 360;
}
queueEvents (entry: TrackEntry, animationTime: number) {
let animationStart = entry.animationStart, animationEnd = entry.animationEnd;
let duration = animationEnd - animationStart;
let trackLastWrapped = entry.trackLast % duration;
// Queue events before complete.
let events = this.events;
let i = 0, n = events.length;
for (; i < n; i++) {
let event = events[i];
if (event.time < trackLastWrapped) break;
if (event.time > animationEnd) continue; // Discard events outside animation start/end.
this.queue.event(entry, event);
}
// Queue complete if completed a loop iteration or the animation.
var complete = false;
if (entry.loop)
complete = duration == 0 || trackLastWrapped > entry.trackTime % duration;
else
complete = animationTime >= animationEnd && entry.animationLast < animationEnd;
if (complete) this.queue.complete(entry);
// Queue events after complete.
for (; i < n; i++) {
let event = events[i];
if (event.time < animationStart) continue; // Discard events outside animation start/end.
this.queue.event(entry, events[i]);
}
}
clearTracks () {
let oldDrainDisabled = this.queue.drainDisabled;
this.queue.drainDisabled = true;
for (let i = 0, n = this.tracks.length; i < n; i++)
this.clearTrack(i);
this.tracks.length = 0;
this.queue.drainDisabled = oldDrainDisabled;
this.queue.drain();
}
clearTrack (trackIndex: number) {
if (trackIndex >= this.tracks.length) return;
let current = this.tracks[trackIndex];
if (current == null) return;
this.queue.end(current);
this.disposeNext(current);
let entry = current;
while (true) {
let from = entry.mixingFrom;
if (from == null) break;
this.queue.end(from);
entry.mixingFrom = null;
entry.mixingTo = null;
entry = from;
}
this.tracks[current.trackIndex] = null;
this.queue.drain();
}
setCurrent (index: number, current: TrackEntry, interrupt: boolean) {
let from = this.expandToIndex(index);
this.tracks[index] = current;
if (from != null) {
if (interrupt) this.queue.interrupt(from);
current.mixingFrom = from;
from.mixingTo = current;
current.mixTime = 0;
// Store the interrupted mix percentage.
if (from.mixingFrom != null && from.mixDuration > 0)
current.interruptAlpha *= Math.min(1, from.mixTime / from.mixDuration);
from.timelinesRotation.length = 0; // Reset rotation for mixing out, in case entry was mixed in.
}
this.queue.start(current);
}
setAnimation (trackIndex: number, animationName: string, loop: boolean) {
let animation = this.data.skeletonData.findAnimation(animationName);
if (animation == null) throw new Error("Animation not found: " + animationName);
return this.setAnimationWith(trackIndex, animation, loop);
}
setAnimationWith (trackIndex: number, animation: Animation, loop: boolean) {
if (animation == null) throw new Error("animation cannot be null.");
let interrupt = true;
let current = this.expandToIndex(trackIndex);
if (current != null) {
if (current.nextTrackLast == -1) {
// Don't mix from an entry that was never applied.
this.tracks[trackIndex] = current.mixingFrom;
this.queue.interrupt(current);
this.queue.end(current);
this.disposeNext(current);
current = current.mixingFrom;
interrupt = false;
} else
this.disposeNext(current);
}
let entry = this.trackEntry(trackIndex, animation, loop, current);
this.setCurrent(trackIndex, entry, interrupt);
this.queue.drain();
return entry;
}
addAnimation (trackIndex: number, animationName: string, loop: boolean, delay: number) {
let animation = this.data.skeletonData.findAnimation(animationName);
if (animation == null) throw new Error("Animation not found: " + animationName);
return this.addAnimationWith(trackIndex, animation, loop, delay);
}
addAnimationWith (trackIndex: number, animation: Animation, loop: boolean, delay: number) {
if (animation == null) throw new Error("animation cannot be null.");
let last = this.expandToIndex(trackIndex);
if (last != null) {
while (last.next != null)
last = last.next;
}
let entry = this.trackEntry(trackIndex, animation, loop, last);
if (last == null) {
this.setCurrent(trackIndex, entry, true);
this.queue.drain();
} else {
last.next = entry;
if (delay <= 0) {
let duration = last.animationEnd - last.animationStart;
if (duration != 0) {
if (last.loop)
delay += duration * (1 + ((last.trackTime / duration) | 0));
else
delay += Math.max(duration, last.trackTime);
delay -= this.data.getMix(last.animation, animation);
} else
delay = last.trackTime;
}
}
entry.delay = delay;
return entry;
}
setEmptyAnimation (trackIndex: number, mixDuration: number) {
let entry = this.setAnimationWith(trackIndex, AnimationState.emptyAnimation, false);
entry.mixDuration = mixDuration;
entry.trackEnd = mixDuration;
return entry;
}
addEmptyAnimation (trackIndex: number, mixDuration: number, delay: number) {
if (delay <= 0) delay -= mixDuration;
let entry = this.addAnimationWith(trackIndex, AnimationState.emptyAnimation, false, delay);
entry.mixDuration = mixDuration;
entry.trackEnd = mixDuration;
return entry;
}
setEmptyAnimations (mixDuration: number) {
let oldDrainDisabled = this.queue.drainDisabled;
this.queue.drainDisabled = true;
for (let i = 0, n = this.tracks.length; i < n; i++) {
let current = this.tracks[i];
if (current != null) this.setEmptyAnimation(current.trackIndex, mixDuration);
}
this.queue.drainDisabled = oldDrainDisabled;
this.queue.drain();
}
expandToIndex (index: number) {
if (index < this.tracks.length) return this.tracks[index];
Utils.ensureArrayCapacity(this.tracks, index - this.tracks.length + 1, null);
this.tracks.length = index + 1;
return null;
}
trackEntry (trackIndex: number, animation: Animation, loop: boolean, last: TrackEntry) {
let entry = this.trackEntryPool.obtain();
entry.trackIndex = trackIndex;
entry.animation = animation;
entry.loop = loop;
entry.holdPrevious = false;
entry.eventThreshold = 0;
entry.attachmentThreshold = 0;
entry.drawOrderThreshold = 0;
entry.animationStart = 0;
entry.animationEnd = animation.duration;
entry.animationLast = -1;
entry.nextAnimationLast = -1;
entry.delay = 0;
entry.trackTime = 0;
entry.trackLast = -1;
entry.nextTrackLast = -1;
entry.trackEnd = Number.MAX_VALUE;
entry.timeScale = 1;
entry.alpha = 1;
entry.interruptAlpha = 1;
entry.mixTime = 0;
entry.mixDuration = last == null ? 0 : this.data.getMix(last.animation, animation);
return entry;
}
disposeNext (entry: TrackEntry) {
let next = entry.next;
while (next != null) {
this.queue.dispose(next);
next = next.next;
}
entry.next = null;
}
_animationsChanged () {
this.animationsChanged = false;
this.propertyIDs.clear();
for (var i = 0, n = this.tracks.length; i < n; i++) {
let entry = this.tracks[i];
if (entry == null) continue;
while (entry.mixingFrom != null)
entry = entry.mixingFrom;
do {
if (entry.mixingFrom == null || entry.mixBlend != MixBlend.add) this.setTimelineModes(entry);
entry = entry.mixingTo;
} while (entry != null)
}
}
setTimelineModes (entry: TrackEntry) {
let to = entry.mixingTo;
let timelines = entry.animation.timelines;
let timelinesCount = entry.animation.timelines.length;
let timelineMode = Utils.setArraySize(entry.timelineMode, timelinesCount);
entry.timelineHoldMix.length = 0;
let timelineDipMix = Utils.setArraySize(entry.timelineHoldMix, timelinesCount);
let propertyIDs = this.propertyIDs;
if (to != null && to.holdPrevious) {
for (let i = 0; i < timelinesCount; i++) {
propertyIDs.add(timelines[i].getPropertyId());
timelineMode[i] = AnimationState.HOLD;
}
return;
}
outer:
for (var i = 0; i < timelinesCount; i++) {
let id = timelines[i].getPropertyId();
if (!propertyIDs.add(id))
timelineMode[i] = AnimationState.SUBSEQUENT;
else if (to == null || !this.hasTimeline(to, id))
timelineMode[i] = AnimationState.FIRST;
else {
for (let next = to.mixingTo; next != null; next = next.mixingTo) {
if (this.hasTimeline(next, id)) continue;
if (entry.mixDuration > 0) {
timelineMode[i] = AnimationState.HOLD_MIX;
timelineDipMix[i] = next;
continue outer;
}
break;
}
timelineMode[i] = AnimationState.HOLD;
}
}
}
hasTimeline (entry: TrackEntry, id: number) : boolean {
let timelines = entry.animation.timelines;
for (var i = 0, n = timelines.length; i < n; i++)
if (timelines[i].getPropertyId() == id) return true;
return false;
}
getCurrent (trackIndex: number) {
if (trackIndex >= this.tracks.length) return null;
return this.tracks[trackIndex];
}
addListener (listener: AnimationStateListener2) {
if (listener == null) throw new Error("listener cannot be null.");
this.listeners.push(listener);
}
/** Removes the listener added with {@link #addListener(AnimationStateListener)}. */
removeListener (listener: AnimationStateListener2) {
let index = this.listeners.indexOf(listener);
if (index >= 0) this.listeners.splice(index, 1);
}
clearListeners () {
this.listeners.length = 0;
}
clearListenerNotifications () {
this.queue.clear();
}
}
export class TrackEntry {
animation: Animation;
next: TrackEntry; mixingFrom: TrackEntry; mixingTo: TrackEntry;
listener: AnimationStateListener2;
trackIndex: number;
loop: boolean;
holdPrevious: boolean;
eventThreshold: number; attachmentThreshold: number; drawOrderThreshold: number;
animationStart: number; animationEnd: number; animationLast: number; nextAnimationLast: number;
delay: number; trackTime: number; trackLast: number; nextTrackLast: number; trackEnd: number; timeScale: number;
alpha: number; mixTime: number; mixDuration: number; interruptAlpha: number; totalAlpha: number;
mixBlend = MixBlend.replace;
timelineMode = new Array<number>();
timelineHoldMix = new Array<TrackEntry>();
timelinesRotation = new Array<number>();
reset () {
this.next = null;
this.mixingFrom = null;
this.mixingTo = null;
this.animation = null;
this.listener = null;
this.timelineMode.length = 0;
this.timelineHoldMix.length = 0;
this.timelinesRotation.length = 0;
}
getAnimationTime () {
if (this.loop) {
let duration = this.animationEnd - this.animationStart;
if (duration == 0) return this.animationStart;
return (this.trackTime % duration) + this.animationStart;
}
return Math.min(this.trackTime + this.animationStart, this.animationEnd);
}
setAnimationLast(animationLast: number) {
this.animationLast = animationLast;
this.nextAnimationLast = animationLast;
}
isComplete () {
return this.trackTime >= this.animationEnd - this.animationStart;
}
resetRotationDirections () {
this.timelinesRotation.length = 0;
}
}
export class EventQueue {
objects: Array<any> = [];
drainDisabled = false;
animState: AnimationState;
constructor(animState: AnimationState) {
this.animState = animState;
}
start (entry: TrackEntry) {
this.objects.push(EventType.start);
this.objects.push(entry);
this.animState.animationsChanged = true;
}
interrupt (entry: TrackEntry) {
this.objects.push(EventType.interrupt);
this.objects.push(entry);
}
end (entry: TrackEntry) {
this.objects.push(EventType.end);
this.objects.push(entry);
this.animState.animationsChanged = true;
}
dispose (entry: TrackEntry) {
this.objects.push(EventType.dispose);
this.objects.push(entry);
}
complete (entry: TrackEntry) {
this.objects.push(EventType.complete);
this.objects.push(entry);
}
event (entry: TrackEntry, event: Event) {
this.objects.push(EventType.event);
this.objects.push(entry);
this.objects.push(event);
}
drain () {
if (this.drainDisabled) return;
this.drainDisabled = true;
let objects = this.objects;
let listeners = this.animState.listeners;
for (let i = 0; i < objects.length; i += 2) {
let type = objects[i] as EventType;
let entry = objects[i + 1] as TrackEntry;
switch (type) {
case EventType.start:
if (entry.listener != null && entry.listener.start) entry.listener.start(entry);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].start) listeners[ii].start(entry);
break;
case EventType.interrupt:
if (entry.listener != null && entry.listener.interrupt) entry.listener.interrupt(entry);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].interrupt) listeners[ii].interrupt(entry);
break;
case EventType.end:
if (entry.listener != null && entry.listener.end) entry.listener.end(entry);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].end) listeners[ii].end(entry);
// Fall through.
case EventType.dispose:
if (entry.listener != null && entry.listener.dispose) entry.listener.dispose(entry);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].dispose) listeners[ii].dispose(entry);
this.animState.trackEntryPool.free(entry);
break;
case EventType.complete:
if (entry.listener != null && entry.listener.complete) entry.listener.complete(entry);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].complete) listeners[ii].complete(entry);
break;
case EventType.event:
let event = objects[i++ + 2] as Event;
if (entry.listener != null && entry.listener.event) entry.listener.event(entry, event);
for (let ii = 0; ii < listeners.length; ii++)
if (listeners[ii].event) listeners[ii].event(entry, event);
break;
}
}
this.clear();
this.drainDisabled = false;
}
clear () {
this.objects.length = 0;
}
}
export enum EventType {
start, interrupt, end, dispose, complete, event
}
export interface AnimationStateListener2 {
/** Invoked when this entry has been set as the current entry. */
start (entry: TrackEntry): void;
/** Invoked when another entry has replaced this entry as the current entry. This entry may continue being applied for
* mixing. */
interrupt (entry: TrackEntry): void;
/** Invoked when this entry is no longer the current entry and will never be applied again. */
end (entry: TrackEntry): void;
/** Invoked when this entry will be disposed. This may occur without the entry ever being set as the current entry.
* References to the entry should not be kept after dispose is called, as it may be destroyed or reused. */
dispose (entry: TrackEntry): void;
/** Invoked every time this entry's animation completes a loop. */
complete (entry: TrackEntry): void;
/** Invoked when this entry's animation triggers an event. */
event (entry: TrackEntry, event: Event): void;
}
export abstract class AnimationStateAdapter2 implements AnimationStateListener2 {
start (entry: TrackEntry) {
}
interrupt (entry: TrackEntry) {
}
end (entry: TrackEntry) {
}
dispose (entry: TrackEntry) {
}
complete (entry: TrackEntry) {
}
event (entry: TrackEntry, event: Event) {
}
}
}