From bdf93b08301ebb43b2189249b14e149387652284 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 11 Oct 2022 22:26:25 +0100
Subject: Add candidateNodeAt, returns a network node why may not be part of
 the network

---
 game/network/network.cpp | 9 +++++++++
 game/network/network.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/game/network/network.cpp b/game/network/network.cpp
index 0189158..aff1aa4 100644
--- a/game/network/network.cpp
+++ b/game/network/network.cpp
@@ -35,6 +35,15 @@ Network::findNodeAt(glm::vec3 pos) const
 	return {};
 }
 
+std::pair<NodePtr, bool>
+Network::candidateNodeAt(glm::vec3 pos) const
+{
+	if (const auto n = nodes.find(std::make_shared<Node>(pos)); n != nodes.end()) {
+		return {*n, true};
+	}
+	return {std::make_shared<Node>(pos), false};
+}
+
 NodePtr
 Network::intersectRayNodes(const Ray & ray) const
 {
diff --git a/game/network/network.h b/game/network/network.h
index d561e55..79a4a2b 100644
--- a/game/network/network.h
+++ b/game/network/network.h
@@ -24,6 +24,7 @@ public:
 	[[nodiscard]] NodePtr findNodeAt(glm::vec3) const;
 	[[nodiscard]] NodePtr nodeAt(glm::vec3);
 	[[nodiscard]] std::pair<NodePtr, bool> newNodeAt(glm::vec3);
+	[[nodiscard]] std::pair<NodePtr, bool> candidateNodeAt(glm::vec3) const;
 	[[nodiscard]] virtual LinkPtr intersectRayLinks(const Ray &) const = 0;
 	[[nodiscard]] virtual NodePtr intersectRayNodes(const Ray &) const;
 
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