From e78df42a969ccc693dd5cd2403a12a9d20746bcd Mon Sep 17 00:00:00 2001
From: "konstantin.chuprin" <konstantin.chuprin@booming-games.com>
Date: Mon, 17 Oct 2022 15:09:55 +0300
Subject: [PATCH] fix version detection of binary spine file #415

---
 packages/loader-uni/src/SpineLoader.ts | 39 +++++++++++++++++++-------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/packages/loader-uni/src/SpineLoader.ts b/packages/loader-uni/src/SpineLoader.ts
index 0612bbda..614cac8e 100644
--- a/packages/loader-uni/src/SpineLoader.ts
+++ b/packages/loader-uni/src/SpineLoader.ts
@@ -10,20 +10,13 @@ class UniBinaryParser implements ISkeletonParser {
     scale = 1;
 
     readSkeletonData(atlas: TextureAtlas, dataToParse: Uint8Array): ISkeletonData {
-        let input = new BinaryInput(dataToParse);
-        input.readString();
-        let version = input.readString();
-        let ver = detectSpineVersion(version);
         let parser: any = null;
-
+        let version = this.readVersionOldFormat(dataToParse);
+        let ver = detectSpineVersion(version);
         if (ver === SPINE_VERSION.VER38) {
             parser = new spine38.SkeletonBinary(new spine38.AtlasAttachmentLoader(atlas));
         }
-
-        input = new BinaryInput(dataToParse);
-        input.readInt32();
-        input.readInt32();
-        version = input.readString();
+        version = this.readVersionNewFormat(dataToParse);
         ver = detectSpineVersion(version);
         if (ver === SPINE_VERSION.VER40 || ver === SPINE_VERSION.VER41) {
             parser = new spine41.SkeletonBinary(new spine41.AtlasAttachmentLoader(atlas));
@@ -36,6 +29,32 @@ class UniBinaryParser implements ISkeletonParser {
         parser.scale = this.scale;
         return parser.readSkeletonData(dataToParse);
     }
+
+    readVersionOldFormat(dataToParse: Uint8Array){
+        let input = new BinaryInput(dataToParse);
+        let version;
+        try {
+            input.readString();
+            version = input.readString();
+        }catch (e){
+            version = "";
+        }
+        return version || ""
+    }
+
+    readVersionNewFormat(dataToParse: Uint8Array){
+        let input = new BinaryInput(dataToParse);
+        input.readInt32();
+        input.readInt32();
+        let version;
+        try {
+            version = input.readString();
+        }catch (e){
+            version = ""
+        }
+
+        return version || ""
+    }
 }
 
 class UniJsonParser implements ISkeletonParser {