From 6d19d905cfe2fa426c9fd6470fa024255a7b0014 Mon Sep 17 00:00:00 2001
From: MarianoGNU <marianognu.easyrpg@gmail.com>
Date: Mon, 20 Jun 2016 19:57:21 -0300
Subject: [PATCH] Don't create outlines from dummy meshes. Fixes #4718

---
 tools/editor/plugins/mesh_instance_editor_plugin.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/editor/plugins/mesh_instance_editor_plugin.cpp b/tools/editor/plugins/mesh_instance_editor_plugin.cpp
index f604e4c57c3..c952feb1daa 100644
--- a/tools/editor/plugins/mesh_instance_editor_plugin.cpp
+++ b/tools/editor/plugins/mesh_instance_editor_plugin.cpp
@@ -183,6 +183,12 @@ void MeshInstanceEditor::_create_outline_mesh() {
 		return;
 	}
 
+	if (mesh->get_surface_count() == 0) {
+		err_dialog->set_text(TTR("Mesh has not surface to create outlines from!"));
+		err_dialog->popup_centered_minsize();
+		return;
+	}
+
 	Ref<Mesh> mesho = mesh->create_outline(outline_size->get_val());
 
 	if (mesho.is_null()) {