From 926cd5be0cd14684d9b15878b32fe4ada50865ea Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Wed, 16 Dec 2020 12:01:50 +0100
Subject: [PATCH] fixed bug with using wrong draw buffer after request if game
 has ended

---
 src/tools.c | 12 +++++++++---
 src/tools.h |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/tools.c b/src/tools.c
index de19e464..a042e88f 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -462,6 +462,11 @@ void SetDrawtoField(int mode)
   }
 }
 
+int GetDrawtoField(void)
+{
+  return (drawto_field == fieldbuffer ? DRAW_TO_FIELDBUFFER : DRAW_TO_BACKBUFFER);
+}
+
 static void RedrawPlayfield_RND(void)
 {
   if (game.envelope_active)
@@ -4212,6 +4217,7 @@ static int RequestHandleEvents(unsigned int req_state)
 {
   boolean game_just_ended = (game_status == GAME_MODE_PLAYING &&
 			     checkGameEnded());
+  int draw_buffer_last = GetDrawtoField();
   int width  = request.width;
   int height = request.height;
   int sx, sy;
@@ -4234,9 +4240,7 @@ static int RequestHandleEvents(unsigned int req_state)
   {
     if (game_just_ended)
     {
-      // the MM game engine does not use a special (scrollable) field buffer
-      if (level.game_engine_type != GAME_ENGINE_TYPE_MM)
-	SetDrawtoField(DRAW_TO_FIELDBUFFER);
+      SetDrawtoField(draw_buffer_last);
 
       HandleGameActions();
 
@@ -4521,6 +4525,8 @@ static int RequestHandleEvents(unsigned int req_state)
     BackToFront();
   }
 
+  SetDrawtoField(draw_buffer_last);
+
   game.request_active = FALSE;
 
   return result;
diff --git a/src/tools.h b/src/tools.h
index a58888be..de7bb467 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -85,6 +85,7 @@ void DrawMaskedBorderToTarget(int);
 void DrawTileCursor(int);
 
 void SetDrawtoField(int);
+int GetDrawtoField(void);
 void RedrawPlayfield(void);
 void BlitScreenToBitmapExt_RND(Bitmap *, int, int);
 void BlitScreenToBitmap_RND(Bitmap *);
-- 
2.34.1