From e31b7d581f6f246ec17b5a7e6f4a0f951d192675 Mon Sep 17 00:00:00 2001
From: badlogic <badlogicgames@gmail.com>
Date: Wed, 26 Aug 2020 15:53:34 +0200
Subject: [PATCH] [ue4] Closes #1671, only import Spine specific .json files.

---
 .../Private/SpineSkeletonImportFactory.cpp          | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/Private/SpineSkeletonImportFactory.cpp b/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/Private/SpineSkeletonImportFactory.cpp
index 7964b95bd..54a2041ef 100644
--- a/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/Private/SpineSkeletonImportFactory.cpp
+++ b/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/Private/SpineSkeletonImportFactory.cpp
@@ -57,7 +57,18 @@ FText USpineSkeletonAssetFactory::GetToolTip () const {
 }
 
 bool USpineSkeletonAssetFactory::FactoryCanImport (const FString& Filename) {
-	return true;
+	if (Filename.Contains(TEXT(".skel"))) return true;
+
+	if (Filename.Contains(TEXT(".json"))) {
+		TArray<uint8> rawData;
+		if (!FFileHelper::LoadFileToArray(rawData, *Filename, 0)) {
+			return false;
+		}
+		if (rawData.Num() == 0) return false;
+		return strcmp((const char*)rawData.GetData(), "skeleton") > 0 && strcmp((const char*)rawData.GetData(), "spine") > 0;
+	}
+	
+	return false;
 }
 
 void LoadAtlas (const FString& Filename, const FString& TargetPath) {