From 3bb238d41ca4f3e4a40f4ee3700b27ca7bf03b56 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 28 Oct 2022 01:08:28 +0100
Subject: Implement extending a network to join link ends

---
 game/network/network.impl.h | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

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

diff --git a/game/network/network.impl.h b/game/network/network.impl.h
index 859d1ac..5b1649d 100644
--- a/game/network/network.impl.h
+++ b/game/network/network.impl.h
@@ -61,9 +61,16 @@ NetworkOf<T>::candidateStraight(glm::vec3 n1, glm::vec3 n2)
 
 template<typename T>
 Link::CCollection
-NetworkOf<T>::candidateJoins(glm::vec3 n1, glm::vec3 n2)
+NetworkOf<T>::candidateJoins(glm::vec3 start, glm::vec3 end)
 {
-	return {candidateLink<typename T::StraightLink>(n1, n2)};
+	if (glm::distance(start, end) < 2.F) {
+		return {};
+	}
+	const auto defs = genCurveDef(
+			start, end, findNodeDirection(candidateNodeAt(start).first), findNodeDirection(candidateNodeAt(end).first));
+	const auto & [c1s, c1e, c1c] = defs.first;
+	const auto & [c2s, c2e, c2c] = defs.second;
+	return {candidateLink<typename T::CurveLink>(c1s, c1e, c1c), candidateLink<typename T::CurveLink>(c2s, c2e, c2c)};
 }
 
 template<typename T>
@@ -83,9 +90,15 @@ NetworkOf<T>::addStraight(glm::vec3 n1, glm::vec3 n2)
 
 template<typename T>
 Link::CCollection
-NetworkOf<T>::addJoins(glm::vec3 n1, glm::vec3 n2)
+NetworkOf<T>::addJoins(glm::vec3 start, glm::vec3 end)
 {
-	return {addLink<typename T::StraightLink>(n1, n2)};
+	if (glm::distance(start, end) < 2.F) {
+		return {};
+	}
+	const auto defs = genCurveDef(start, end, findNodeDirection(nodeAt(start)), findNodeDirection(nodeAt(end)));
+	const auto & [c1s, c1e, c1c] = defs.first;
+	const auto & [c2s, c2e, c2c] = defs.second;
+	return {addLink<typename T::CurveLink>(c1s, c1e, c1c), addLink<typename T::CurveLink>(c2s, c2e, c2c)};
 }
 
 template<typename T>
-- 
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