From 01475f313a37471ac17b1f8fa3b40170445ba835 Mon Sep 17 00:00:00 2001
From: codemann8 <codemann8@gmail.com>
Date: Wed, 26 Oct 2022 07:54:05 -0500
Subject: [PATCH] Fixed fake world handling for IB transitions

---
 owrando.asm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/owrando.asm b/owrando.asm
index 3472bfa..a046b8d 100644
--- a/owrando.asm
+++ b/owrando.asm
@@ -631,7 +631,12 @@ OWShuffle:
     ;look up transitions in current area in table OWEdgeOffsets
     ;offset is (8bytes * OW Slot ID) + (2bytes * direction)
     asl : rep #$20 : and.w #$00ff : pha : sep #$20 ;2 bytes per direction
-    lda $8a : and #$40 : !add $700 : rep #$30 : and #$00ff : asl #3
+
+    lda $8a : tax : lda.l OWTileWorldAssoc,X : eor.l CurrentWorld : beq +
+        ; fake world, will treat this OW area as opposite world
+        txa : eor.b #$40 : tax
+    + txa : and #$40 : !add $700 : rep #$30 : and #$00ff : asl #3
+
     adc 1,S : tax
     asl $700 : pla
     ;x = offset to edgeoffsets table