From 8590df65f863afedb8b9f984f82464ae03a758fe Mon Sep 17 00:00:00 2001
From: Nat Quayle Nelson <natquaylenelson@gmail.com>
Date: Fri, 10 Jan 2025 15:27:19 -0600
Subject: [PATCH] error message when trying to launch from header.exs

---
 src/scenedit/scen.main.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/scenedit/scen.main.cpp b/src/scenedit/scen.main.cpp
index e0371783..5e06e1ea 100644
--- a/src/scenedit/scen.main.cpp
+++ b/src/scenedit/scen.main.cpp
@@ -6,6 +6,7 @@
 #include <boost/process/child.hpp>
 #include <boost/process/io.hpp>
 #include <boost/process/search_path.hpp>
+#include <boost/algorithm/string/predicate.hpp>
 #include "cli.hpp"
 
 #include "scen.global.hpp"
@@ -94,6 +95,11 @@ fs::path game_binary;
 extern std::string last_load_file;
 
 void launch_scenario() {
+	if(boost::ends_with(last_load_file, ".exs")){
+		showError("The scenario editor cannot launch an unpacked scenario directly. You'll need to re-open the scenario from its .boes archive.");
+		return;
+	}
+
 	// Make sure scenario is loaded and currently editing the terrain of a town or outdoor section
 	if(overall_mode >= MODE_MAIN_SCREEN){
 		showError("Must be viewing the terrain of a town or outdoor section at the place where you want to put the debug party.");