From c1ea14d1c96de18448c0c3779d30b7e1e4451f61 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 5 Feb 2021 00:30:13 +0000
Subject: Initial commit generating some basic rail network

---
 game/network/link.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 game/network/link.h

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

diff --git a/game/network/link.h b/game/network/link.h
new file mode 100644
index 0000000..0da413c
--- /dev/null
+++ b/game/network/link.h
@@ -0,0 +1,51 @@
+#ifndef LINK_H
+#define LINK_H
+
+#include <array>
+#include <glm/glm.hpp>
+#include <memory>
+#include <special_members.hpp>
+#include <utility>
+
+// Generic network node
+// something that can be travelled to
+// it has location
+class Node {
+public:
+	explicit Node(glm::vec3 p) noexcept : pos(p) {};
+	virtual ~Node() noexcept = default;
+	NO_COPY(Node);
+	NO_MOVE(Node);
+
+	glm::vec3 pos;
+};
+using NodePtr = std::shared_ptr<Node>;
+
+// Generic network link
+// something that can be travelled along
+// it joins 2 nodes
+class Link {
+public:
+	// side determines which edges can be moved to next, must alternate
+	using End = std::pair<NodePtr, bool /*side*/>;
+
+	Link(End, End);
+	virtual ~Link() = default;
+	NO_COPY(Link);
+	NO_MOVE(Link);
+
+	std::array<End, 2> ends;
+};
+
+template<typename T> struct PtrSorter {
+	bool
+	operator()(const T & a, const T & b) const
+	{
+		return *a < *b;
+	}
+};
+
+bool operator<(const glm::vec3 & a, const glm::vec3 & b);
+bool operator<(const Node & a, const Node & b);
+
+#endif
-- 
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