[libgdx] Update version for JsonRollback.

spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/JsonRollback.java

@@ -67,6 +67,21 @@ public class JsonRollback {
 
 		JsonValue root = new Json().fromJson(null, new FileHandle(args[0]));
 
+		// Update Spine version.
+		JsonValue skeleton = root.get("skeleton");
+		if (skeleton == null) {
+			skeleton = new JsonValue(ValueType.object);
+			skeleton.name = "skeleton";
+			JsonValue first = root.child;
+			root.child = skeleton;
+			skeleton.next = first;
+		}
+		JsonValue spine = skeleton.get("spine");
+		if (spine != null)
+			spine.set(version + "-from-" + spine.asString());
+		else
+			skeleton.addChild("spine", new JsonValue(version));
+
 		if (version.equals("2.1")) {
 			// In 3.2 skinnedmesh was renamed to weightedmesh.
 			setValue(root, "skinnedmesh", "skins", "*", "*", "*", "type", "weightedmesh");
@@ -78,26 +93,26 @@ public class JsonRollback {
 			rename(root, "ffd", "animations", "*", "deform");
 
 			// In 3.3 mesh is now a single type, previously they were skinnedmesh if they had weights.
-			for (JsonValue value : find(root, new Array<JsonValue>(), 0, "skins", "*", "*", "*", "type", "mesh"))
+			for (JsonValue value : find(root, new Array(), 0, "skins", "*", "*", "*", "type", "mesh"))
 				if (value.parent.get("uvs").size != value.parent.get("vertices").size) value.set("skinnedmesh");
 
 			// In 3.3 linkedmesh is now a single type, previously they were linkedweightedmesh if they had weights.
-			for (JsonValue value : find(root, new Array<JsonValue>(), 0, "skins", "*", "*", "*", "type", "linkedmesh")) {
+			for (JsonValue value : find(root, new Array(), 0, "skins", "*", "*", "*", "type", "linkedmesh")) {
 				String slot = value.parent.parent.name.replaceAll("", "");
 				String skinName = value.parent.getString("skin", "default");
 				String parentName = value.parent.getString("parent");
-				if (find(root, new Array<JsonValue>(), 0,
+				if (find(root, new Array(), 0,
 					("skins~~" + skinName + "~~" + slot + "~~" + parentName + "~~type~~skinnedmesh").split("~~")).size > 0)
 					value.set("weightedlinkedmesh");
 			}
 
 			// In 3.3 bounding boxes can be weighted.
-			for (JsonValue value : find(root, new Array<JsonValue>(), 0, "skins", "*", "*", "*", "type", "boundingbox"))
+			for (JsonValue value : find(root, new Array(), 0, "skins", "*", "*", "*", "type", "boundingbox"))
 				if (value.parent.getInt("vertexCount") * 2 != value.parent.get("vertices").size)
 					value.parent.parent.remove(value.parent.name);
 
 			// In 3.3 paths were added.
-			for (JsonValue value : find(root, new Array<JsonValue>(), 0, "skins", "*", "*", "*", "type", "path")) {
+			for (JsonValue value : find(root, new Array(), 0, "skins", "*", "*", "*", "type", "path")) {
 				String attachment = value.parent.name;
 				value.parent.parent.remove(attachment);
 				String slot = value.parent.parent.name;
@@ -106,7 +121,7 @@ public class JsonRollback {
 			}
 
 			// In 3.3 IK constraint timelines no longer require bendPositive.
-			for (JsonValue value : find(root, new Array<JsonValue>(), 0, "animations", "*", "ik", "*"))
+			for (JsonValue value : find(root, new Array(), 0, "animations", "*", "ik", "*"))
 				for (JsonValue child = value.child; child != null; child = child.next)
 					if (!child.has("bendPositive")) child.addChild("bendPositive", new JsonValue(true));
 
@@ -138,6 +153,7 @@ public class JsonRollback {
 		}
 
 		if (args.length == 3) {
+			System.out.println("Writing: " + args[2]);
 			BufferedWriter fileWriter = new BufferedWriter(new FileHandle(args[2]).writer(false, "UTF-8"), 16 * 1024);
 			root.prettyPrint(OutputType.json, fileWriter);
 			fileWriter.close();
@@ -150,7 +166,7 @@ public class JsonRollback {
 	}
 
 	static private void constraintNames (JsonValue root, String... path) {
-		for (JsonValue map : find(root, new Array<JsonValue>(), 0, path)) {
+		for (JsonValue map : find(root, new Array(), 0, path)) {
 			for (JsonValue constraint = map.child; constraint != null; constraint = constraint.next) {
 				for (JsonValue child = constraint.child; child != null; child = child.next) {
 					if (child.name.equals("mixRotate"))
@@ -232,17 +248,17 @@ public class JsonRollback {
 	}
 
 	static void setValue (JsonValue root, String newValue, String... path) {
-		for (JsonValue value : find(root, new Array<JsonValue>(), 0, path))
+		for (JsonValue value : find(root, new Array(), 0, path))
 			value.set(newValue);
 	}
 
 	static void rename (JsonValue root, String newName, String... path) {
-		for (JsonValue value : find(root, new Array<JsonValue>(), 0, path))
+		for (JsonValue value : find(root, new Array(), 0, path))
 			value.name = newName;
 	}
 
 	static void delete (JsonValue root, String... path) {
-		for (JsonValue value : find(root, new Array<JsonValue>(), 0, path))
+		for (JsonValue value : find(root, new Array(), 0, path))
 			value.parent.remove(value.name);
 	}