Fixed AttachmentTimeline from missing first key.

http://esotericsoftware.com/forum/viewtopic.php?p=16600#p16600

spine-as3/spine-as3/src/spine/animation/AttachmentTimeline.as

@@ -53,14 +53,15 @@ public class AttachmentTimeline implements Timeline {
 	}
 
 	public function apply (skeleton:Skeleton, lastTime:Number, time:Number, firedEvents:Vector.<Event>, alpha:Number) : void {
-		if (time < frames[0])
+		var frames:Vector.<Number> = this.frames;
-			return; // Time is before first frame.
+		if (time < frames[0]) {
+			if (lastTime > time) apply(skeleton, lastTime, int.MAX_VALUE, null, 0);
+			return;
+		} else if (lastTime > time) //
+			lastTime = -1;
 
-		var frameIndex:int;
+		var frameIndex:int = time >= frames[frames.length - 1] ? frames.length - 1 : Animation.binarySearch1(frames, time) - 1;
-		if (time >= frames[int(frames.length - 1)]) // Time is after last frame.
+		if (frames[frameIndex] < lastTime) return;
-			frameIndex = frames.length - 1;
-		else
-			frameIndex = Animation.binarySearch(frames, time, 1) - 1;
 
 		var attachmentName:String = attachmentNames[frameIndex];
 		skeleton.slots[slotIndex].attachment = attachmentName == null ? null : skeleton.getAttachmentForSlotIndex(slotIndex, attachmentName);

spine-c/src/spine/Animation.c

@@ -479,7 +479,7 @@ void _spAttachmentTimeline_apply (const spTimeline* timeline, spSkeleton* skelet
 
 	frameIndex = time >= self->frames[self->framesCount - 1] ?
 		self->framesCount - 1 : binarySearch1(self->frames, self->framesCount, time) - 1;
-	if (self->frames[frameIndex] <= lastTime) return;
+	if (self->frames[frameIndex] < lastTime) return;
 
 	attachmentName = self->attachmentNames[frameIndex];
 	spSlot_setAttachment(skeleton->slots[self->slotIndex],

spine-csharp/src/Animation.cs

@@ -444,7 +444,7 @@ namespace Spine {
 				lastTime = -1;
 
 			int frameIndex = time >= frames[frames.Length - 1] ? frames.Length - 1 : Animation.binarySearch(frames, time) - 1;
-			if (frames[frameIndex] <= lastTime) return;
+			if (frames[frameIndex] < lastTime) return;
 
 			String attachmentName = attachmentNames[frameIndex];
 			skeleton.slots[slotIndex].Attachment =

spine-libgdx/src/com/esotericsoftware/spine/Animation.java

@@ -86,8 +86,8 @@ public class Animation {
 		if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
 
 		if (loop && duration != 0) {
-			lastTime %= duration;
 			time %= duration;
+			lastTime %= duration;
 		}
 
 		Array<Timeline> timelines = this.timelines;
@@ -468,8 +468,8 @@ public class Animation {
 
 	static public class AttachmentTimeline implements Timeline {
 		int slotIndex;
-		private final float[] frames; // time, ...
+		final float[] frames; // time, ...
-		private final String[] attachmentNames;
+		final String[] attachmentNames;
 
 		public AttachmentTimeline (int frameCount) {
 			frames = new float[frameCount];
@@ -511,7 +511,7 @@ public class Animation {
 				lastTime = -1;
 
 			int frameIndex = (time >= frames[frames.length - 1] ? frames.length : binarySearch(frames, time)) - 1;
-			if (frames[frameIndex] <= lastTime) return;
+			if (frames[frameIndex] < lastTime) return;
 
 			String attachmentName = attachmentNames[frameIndex];
 			skeleton.slots.get(slotIndex).setAttachment(

spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java

@@ -304,7 +304,7 @@ public class AnimationState {
 		TrackEntry next, previous;
 		Animation animation;
 		boolean loop;
-		float delay, time, lastTime, endTime, timeScale = 1;
+		float delay, time, lastTime = -1, endTime, timeScale = 1;
 		float mixTime, mixDuration;
 		AnimationStateListener listener;
 		float mix = 1;

spine-libgdx/test/com/esotericsoftware/spine/AttachmentTimelineTests.java

@@ -0,0 +1,101 @@
+/******************************************************************************
+ * Spine Runtimes Software License
+ * Version 2.1
+ * 
+ * Copyright (c) 2013, Esoteric Software
+ * All rights reserved.
+ * 
+ * You are granted a perpetual, non-exclusive, non-sublicensable and
+ * non-transferable license to install, execute and perform the Spine Runtimes
+ * Software (the "Software") solely for internal use. Without the written
+ * permission of Esoteric Software (typically granted by licensing Spine), you
+ * may not (a) modify, translate, adapt or otherwise create derivative works,
+ * improvements of the Software or develop new applications using the Software
+ * 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 SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) 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.
+ *****************************************************************************/
+
+package com.esotericsoftware.spine;
+
+import com.badlogic.gdx.utils.Array;
+import com.esotericsoftware.spine.Animation.AttachmentTimeline;
+import com.esotericsoftware.spine.Animation.Timeline;
+import com.esotericsoftware.spine.attachments.Attachment;
+
+/** Unit tests for {@link AttachmentTimeline}. */
+public class AttachmentTimelineTests {
+	private final SkeletonData skeletonData;
+	private final Skeleton skeleton;
+	private Slot slot;
+	private AnimationState state;
+
+	public AttachmentTimelineTests () {
+		skeletonData = new SkeletonData();
+
+		BoneData boneData = new BoneData("bone", null);
+		skeletonData.getBones().add(boneData);
+
+		skeletonData.getSlots().add(new SlotData("slot", boneData));
+
+		Attachment attachment1 = new Attachment("attachment1") {};
+		Attachment attachment2 = new Attachment("attachment2") {};
+
+		Skin skin = new Skin("skin");
+		skin.addAttachment(0, "attachment1", attachment1);
+		skin.addAttachment(0, "attachment2", attachment2);
+		skeletonData.setDefaultSkin(skin);
+
+		skeleton = new Skeleton(skeletonData);
+		slot = skeleton.findSlot("slot");
+
+		AttachmentTimeline timeline = new AttachmentTimeline(2);
+		timeline.setFrame(0, 0, "attachment1");
+		timeline.setFrame(1, 0.5f, "attachment2");
+
+		Animation animation = new Animation("animation", Array.with((Timeline)timeline), 1);
+		animation.setDuration(1);
+
+		state = new AnimationState(new AnimationStateData(skeletonData));
+		state.setAnimation(0, animation, true);
+
+		test(0, attachment1);
+		test(0, attachment1);
+		test(0.25f, attachment1);
+		test(0f, attachment1);
+		test(0.25f, attachment2);
+		test(0.25f, attachment2);
+
+		System.out.println("AttachmentTimeline tests passed.");
+	}
+
+	private void test (float delta, Attachment attachment) {
+		state.update(delta);
+		state.apply(skeleton);
+		if (slot.getAttachment() != attachment)
+			throw new FailException("Wrong attachment: " + slot.getAttachment() + " != " + attachment);
+
+	}
+
+	static class FailException extends RuntimeException {
+		public FailException (String message) {
+			super(message);
+		}
+	}
+
+	static public void main (String[] args) throws Exception {
+		new AttachmentTimelineTests();
+	}
+}

spine-libgdx/test/com/esotericsoftware/spine/EventTimelineTests.java

@@ -72,7 +72,7 @@ public class EventTimelineTests {
 		test(0.1f, 0.2f, 0.3f, 0.4f);
 		test(1, 2, 3, 4, 5, 6, 6, 7, 7, 8, 9, 10, 11, 11.01f, 12, 12, 12, 12);
 
-		System.out.println("All tests passed.");
+		System.out.println("EventTimeline tests passed.");
 	}
 
 	private void test (float... frames) {