3 files changed, 9 insertions, 1 deletions
diff --git a/game/network/network.h b/game/network/network.h
index 0c499c6..c1d3265 100644
--- a/game/network/network.h
+++ b/game/network/network.h
@@ -135,4 +135,5 @@ public:
 
 protected:
 	Link::CCollection addCurve(const GeoData *, const GenCurveDef &);
+	[[nodiscard]] bool anyLinks() const;
 };
diff --git a/game/network/network.impl.h b/game/network/network.impl.h
index 7f7dfb3..04c5d7c 100644
--- a/game/network/network.impl.h
+++ b/game/network/network.impl.h
@@ -161,6 +161,13 @@ NetworkOf<T, Links...>::create(const GenCurveDef & def)
 }
 
 template<typename T, typename... Links>
+bool
+NetworkOf<T, Links...>::anyLinks() const
+{
+	return !(static_cast<const NetworkLinkHolder<Links> *>(this)->vertices.empty() && ...);
+}
+
+template<typename T, typename... Links>
 void
 NetworkOf<T, Links...>::add(GeoData * geoData, const Link::Ptr & link)
 {
diff --git a/game/network/rail.cpp b/game/network/rail.cpp
index c0e597d..37eb7df 100644
--- a/game/network/rail.cpp
+++ b/game/network/rail.cpp
@@ -169,7 +169,7 @@ namespace {
 void
 RailLinks::render(const SceneShader & shader, const Frustum &) const
 {
-	if (!links.empty()) {
+	if (anyLinks()) {
 		texture->bind();
 		glEnable(GL_POLYGON_OFFSET_FILL);
 		glPolygonOffset(-1, 0);