From 0d06ebff2ff715a3d7c7031f73e77dc2f8819076 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gilles=20Roudi=C3=A8re?= <gilles.roudiere@gmail.com>
Date: Fri, 27 Jan 2023 13:34:57 +0100
Subject: Warn that autotiles from 3.x cannot be converted automatically to 4.x

---
 scene/resources/tile_set.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scene/resources/tile_set.cpp b/scene/resources/tile_set.cpp
index b5a68ef14b..a9d70f1ec8 100644
--- a/scene/resources/tile_set.cpp
+++ b/scene/resources/tile_set.cpp
@@ -2608,6 +2608,7 @@ void TileSet::_compatibility_conversion() {
 			} break;
 			case COMPATIBILITY_TILE_MODE_AUTO_TILE: {
 				// Not supported. It would need manual conversion.
+				WARN_PRINT_ONCE("Could not convert 3.x autotiles to 4.x. This operation cannot be done automatically, autotiles must be re-created using the terrain system.");
 			} break;
 			case COMPATIBILITY_TILE_MODE_ATLAS_TILE: {
 				atlas_source->set_margins(ctd->region.get_position());
-- 
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