From 08f6e874a8930899714e2c0d313a9ed9f4eec35c Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 14 Feb 2021 14:52:04 +0000
Subject: Link weak_ptrs

---
 game/network/link.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'game/network/link.h')

diff --git a/game/network/link.h b/game/network/link.h
index d4ae4c6..207ecd0 100644
--- a/game/network/link.h
+++ b/game/network/link.h
@@ -28,6 +28,7 @@ using NodePtr = std::shared_ptr<Node>;
 // it joins 2 nodes
 class Link;
 using LinkPtr = std::shared_ptr<Link>;
+using LinkWPtr = std::weak_ptr<const Link>;
 class Link {
 public:
 	using End = std::pair<NodePtr, float /*dir*/>;
@@ -41,7 +42,7 @@ public:
 
 	std::array<End, 2> ends;
 	float length;
-	using Next = std::pair<LinkPtr, unsigned char /*end*/>;
+	using Next = std::pair<LinkWPtr, unsigned char /*end*/>;
 	std::array<std::vector<Next>, 2> nexts;
 };
 
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