From 50bfb3ae0f9abf64567cd5f311b54a8f8989c24a Mon Sep 17 00:00:00 2001
From: NathanSweet <nathan.sweet@gmail.com>
Date: Sat, 9 Mar 2019 15:10:25 +0100
Subject: [PATCH] [libgdx] Fixed NPE in AnimationState, javadoc.

---
 .../src/com/esotericsoftware/spine/AnimationState.java        | 4 ++--
 .../spine-libgdx/src/com/esotericsoftware/spine/Slot.java     | 3 +--
 .../esotericsoftware/spine/attachments/VertexAttachment.java  | 4 ++--
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
index 1fcac711b..cfe6910e1 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
@@ -712,10 +712,10 @@ public class AnimationState {
 		propertyIDs.clear(2048);
 		for (int i = tracks.size - 1; i >= 0; i--) {
 			TrackEntry entry = tracks.get(i);
-			do {
+			while (entry != null) {
 				computeNotLast(entry);
 				entry = entry.mixingFrom;
-			} while (entry != null);
+			}
 		}
 	}
 
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slot.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slot.java
index c9706a6c7..d6267bf7b 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slot.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slot.java
@@ -102,8 +102,7 @@ public class Slot {
 		return attachment;
 	}
 
-	/** Sets the slot's attachment and, if the attachment changed, resets {@link #attachmentTime} and clears
-	 * {@link #attachmentVertices}.
+	/** Sets the slot's attachment and, if the attachment changed, resets {@link #attachmentTime} and clears {@link #deform}.
 	 * @param attachment May be null. */
 	public void setAttachment (Attachment attachment) {
 		if (this.attachment == attachment) return;
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/attachments/VertexAttachment.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/attachments/VertexAttachment.java
index c08d171b5..90991fa15 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/attachments/VertexAttachment.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/attachments/VertexAttachment.java
@@ -50,8 +50,8 @@ public class VertexAttachment extends Attachment {
 		super(name);
 	}
 
-	/** Transforms the attachment's local {@link #getVertices()} to world coordinates. If the slot has {@link Slot#getDeform()},
-	 * they are used to deform the vertices.
+	/** Transforms the attachment's local {@link #getVertices()} to world coordinates. If the slot's {@link Slot#getDeform()} is
+	 * not empty, it is used to deform the vertices.
 	 * <p>
 	 * See <a href="http://esotericsoftware.com/spine-runtime-skeletons#World-transforms">World transforms</a> in the Spine
 	 * Runtimes Guide.