From 1aa08caade5bcb8a840eced6a71a74abddbc81cf Mon Sep 17 00:00:00 2001
From: Sparkling Shampoo <sparkling.shampoo@gmail.com>
Date: Wed, 6 Apr 2022 23:33:32 -0400
Subject: [PATCH] Prevent cached resource from being acquired while it is being
 destroyed

Fixes #158
---
 libultraship/libultraship/ResourceMgr.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libultraship/libultraship/ResourceMgr.cpp b/libultraship/libultraship/ResourceMgr.cpp
index e6f3c8a0a..b4d7b76a8 100644
--- a/libultraship/libultraship/ResourceMgr.cpp
+++ b/libultraship/libultraship/ResourceMgr.cpp
@@ -217,9 +217,12 @@ namespace Ship {
 
 	std::shared_ptr<Ship::Resource> ResourceMgr::GetCachedFile(std::string FilePath) {
 		auto resCacheFind = ResourceCache.find(FilePath);
-		
-		if (resCacheFind != ResourceCache.end())
+
+		if (resCacheFind != ResourceCache.end() &&
+			resCacheFind->second.use_count() > 0)
+		{
 			return resCacheFind->second;
+		}
 		else
 			return nullptr;
 	}