提交Spine插件

Assets/Spine/Runtime/spine-unity/Modules/YieldInstructions/WaitForSpineTrackEntryEnd.cs

@@ -0,0 +1,85 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC 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.
+ *****************************************************************************/
+
+using UnityEngine;
+using System.Collections;
+using Spine;
+
+namespace Spine.Unity {
+	/// <summary>
+	/// Use this as a condition-blocking yield instruction for Unity Coroutines. 
+	/// The routine will pause until the AnimationState.TrackEntry fires its End event.</summary>
+	public class WaitForSpineTrackEntryEnd : IEnumerator {
+
+		bool m_WasFired = false;
+
+		public WaitForSpineTrackEntryEnd (Spine.TrackEntry trackEntry) {
+			SafeSubscribe(trackEntry);
+		}
+
+		void HandleEnd (TrackEntry trackEntry) {
+			m_WasFired = true;
+		}
+
+		void SafeSubscribe (Spine.TrackEntry trackEntry) {
+			if (trackEntry == null) {
+				// Break immediately if trackEntry is null.
+				Debug.LogWarning("TrackEntry was null. Coroutine will continue immediately.");
+				m_WasFired = true;
+			} else {
+				trackEntry.End += HandleEnd;
+			}
+		}
+
+		#region Reuse
+		/// <summary>
+		/// One optimization high-frequency YieldInstruction returns is to cache instances to minimize GC pressure. 
+		/// Use NowWaitFor to reuse the same instance of WaitForSpineAnimationEnd.</summary>
+		public WaitForSpineTrackEntryEnd NowWaitFor (Spine.TrackEntry trackEntry) {
+			SafeSubscribe(trackEntry);
+			return this;
+		}
+		#endregion
+
+		#region IEnumerator
+		bool IEnumerator.MoveNext () {
+			if (m_WasFired) {
+				((IEnumerator)this).Reset();	// auto-reset for YieldInstruction reuse
+				return false;
+			}
+
+			return true;
+		}
+		void IEnumerator.Reset () { m_WasFired = false; }
+		object IEnumerator.Current { get { return null; } }
+		#endregion
+
+	}
+
+}