From 71607d91985f59e45d93202b20d56c47f7fe0f38 Mon Sep 17 00:00:00 2001
From: Paul Joannon <hello@pauljoannon.com>
Date: Mon, 15 Jan 2018 01:04:33 +0100
Subject: [PATCH] Fix bug when launching a game with no main scene

Check for a main scene after loading project settings and exit if there's none (except if launching in editor mode).

(cherry picked from commit 3f8a4cc7193e964f716fde2cd28a946669e2d8d6)
---
 main/main.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/main/main.cpp b/main/main.cpp
index f6a83914476..d476672f0ba 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -743,6 +743,15 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 		OS::get_singleton()->print("Error: Could not load game path '%s'.\n", game_path.ascii().get_data());
 
 		goto error;
+#endif
+	} else if (String(GLOBAL_DEF("application/run/main_scene", "")) == "") {
+#ifdef TOOLS_ENABLED
+		if (!editor) {
+#endif
+			OS::get_singleton()->print("Error: Can't run project: no main scene defined.\n");
+			goto error;
+#ifdef TOOLS_ENABLED
+		}
 #endif
 	}