From 9e4fc8f8ddc4b37eb586015ed16f7b42008c2ddb Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 30 Jul 2025 06:30:26 +0200
Subject: [PATCH] mapgen: Fixed collision flags not being set when overwriting
 door patterns

---
 src/mapgen.s | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mapgen.s b/src/mapgen.s
index 2ab91b7..3e138fd 100644
--- a/src/mapgen.s
+++ b/src/mapgen.s
@@ -282,6 +282,8 @@ mapgen_draw_room_pattern_row:
 @x_loop:
     ld a, [bc]
 		call mapgen_fix_door_adjacent_to_collider
+		; save result pattern value
+		push af
 
     ; read from tile and flag tables and write to map
 
@@ -291,7 +293,7 @@ mapgen_draw_room_pattern_row:
     ld [hl+], a ; write tile
     
     ; read pattern again
-    ld a, [bc] 
+		pop af
     
     ; now flags table
     mapgen_read_value_from_table room_pattern_flags_translation
-- 
2.30.2