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87 lines
3.3 KiB
87 lines
3.3 KiB
2 years ago
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/******************************************************************************
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* Spine Runtimes Software License v2.5
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*
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* Copyright (c) 2013-2016, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable, and
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* non-transferable license to use, install, execute, and perform the Spine
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* Runtimes software and derivative works solely for personal or internal
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* use. Without the written permission of Esoteric Software (see Section 2 of
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* the Spine Software License Agreement), you may not (a) modify, translate,
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* adapt, or develop new applications using the Spine Runtimes or otherwise
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* create derivative works or improvements of the Spine Runtimes or (b) remove,
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* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using UnityEngine;
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using System.Collections;
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using Spine;
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namespace Spine.Unity {
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/// <summary>
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/// Use this as a condition-blocking yield instruction for Unity Coroutines.
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/// The routine will pause until the AnimationState.TrackEntry fires its Complete event.</summary>
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public class WaitForSpineAnimationComplete : IEnumerator {
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bool m_WasFired = false;
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public WaitForSpineAnimationComplete (Spine.TrackEntry trackEntry) {
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SafeSubscribe(trackEntry);
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}
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void HandleComplete (TrackEntry trackEntry) {
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m_WasFired = true;
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}
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void SafeSubscribe (Spine.TrackEntry trackEntry) {
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if (trackEntry == null) {
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// Break immediately if trackEntry is null.
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Debug.LogWarning("TrackEntry was null. Coroutine will continue immediately.");
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m_WasFired = true;
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} else {
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trackEntry.Complete += HandleComplete;
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}
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}
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#region Reuse
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/// <summary>
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/// One optimization high-frequency YieldInstruction returns is to cache instances to minimize GC pressure.
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/// Use NowWaitFor to reuse the same instance of WaitForSpineAnimationComplete.</summary>
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public WaitForSpineAnimationComplete NowWaitFor (Spine.TrackEntry trackEntry) {
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SafeSubscribe(trackEntry);
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return this;
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}
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#endregion
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#region IEnumerator
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bool IEnumerator.MoveNext () {
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if (m_WasFired) {
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((IEnumerator)this).Reset(); // auto-reset for YieldInstruction reuse
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return false;
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}
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return true;
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}
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void IEnumerator.Reset () { m_WasFired = false; }
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object IEnumerator.Current { get { return null; } }
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#endregion
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}
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}
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