From 09befec1ede221549100aa3429d4dd13890088a6 Mon Sep 17 00:00:00 2001
From: lawnjelly <lawnjelly@gmail.com>
Date: Mon, 12 Sep 2022 06:46:48 +0100
Subject: [PATCH] Portals - Show RayCast debug helper

Switches the raycast helper to global portal_mode, allowing it to show when portals are active.
---
 scene/3d/ray_cast.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scene/3d/ray_cast.cpp b/scene/3d/ray_cast.cpp
index 06e0d2d1340..a5e92a60cf7 100644
--- a/scene/3d/ray_cast.cpp
+++ b/scene/3d/ray_cast.cpp
@@ -411,6 +411,12 @@ void RayCast::_create_debug_shape() {
 	Ref<ArrayMesh> mesh = memnew(ArrayMesh);
 
 	MeshInstance *mi = memnew(MeshInstance);
+#ifdef TOOLS_ENABLED
+	// This enables the debug helper to show up in editor runs.
+	// However it should not show up during export, because global mode
+	// can slow the portal system, and this should only be used for debugging.
+	mi->set_portal_mode(CullInstance::PORTAL_MODE_GLOBAL);
+#endif
 	mi->set_mesh(mesh);
 	add_child(mi);