From bf986e43c6c947ca45c782de4cf2aabd87b58464 Mon Sep 17 00:00:00 2001
From: Henry Cheng <39224097+jazzysoggy@users.noreply.github.com>
Date: Fri, 6 Jan 2023 06:05:04 -0500
Subject: [PATCH] Fix #18970: Trying to load a non-park save will now display
 context error (#19007)

Fix https://github.com/OpenRCT2/OpenRCT2/issues/18970
---
 distribution/changelog.txt           |  1 +
 src/openrct2-ui/windows/LoadSave.cpp | 15 ++++++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 79eebbb6ee..eee751d6be 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -7,6 +7,7 @@
 - Improved: [#18749] Ability to have 4 active awards for more than one month in a row. 
 - Improved: [#18826] [Plugin] Added all actions and their documentation to plugin API.
 - Improved: [#18945] Languages can now fall back to other languages than English.
+- Improved: [#18970] Trying to load a non-park save will now display a context error.
 - Fix: [#18467] “Selected only” Object Selection filter is active in Track Designs Manager, and cannot be toggled.
 - Fix: [#18905] Ride Construction window theme is not applied correctly.
 - Fix: [#18911] Mini Golf station does not draw correctly from all angles.
diff --git a/src/openrct2-ui/windows/LoadSave.cpp b/src/openrct2-ui/windows/LoadSave.cpp
index a051017358..cc9bfaa744 100644
--- a/src/openrct2-ui/windows/LoadSave.cpp
+++ b/src/openrct2-ui/windows/LoadSave.cpp
@@ -269,9 +269,18 @@ static void Select(const char* path)
     {
         case (LOADSAVETYPE_LOAD | LOADSAVETYPE_GAME):
             SetAndSaveConfigPath(gConfigGeneral.LastSaveGameDirectory, pathBuffer);
-            InvokeCallback(MODAL_RESULT_OK, pathBuffer);
-            window_close_by_class(WindowClass::Loadsave);
-            gfx_invalidate_screen();
+            if (OpenRCT2::GetContext()->LoadParkFromFile(pathBuffer))
+            {
+                InvokeCallback(MODAL_RESULT_OK, pathBuffer);
+                window_close_by_class(WindowClass::Loadsave);
+                gfx_invalidate_screen();
+            }
+            else
+            {
+                // Not the best message...
+                ContextShowError(STR_LOAD_GAME, STR_FAILED_TO_LOAD_FILE_CONTAINS_INVALID_DATA, {});
+                InvokeCallback(MODAL_RESULT_FAIL, pathBuffer);
+            }
             break;
 
         case (LOADSAVETYPE_SAVE | LOADSAVETYPE_GAME):