From 9fc75969833b5981baacf05567b0833232302fb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Severin=20Paul=20H=C3=B6fer?=
 <84280965+zzril@users.noreply.github.com>
Date: Thu, 6 Jul 2023 00:00:20 +0200
Subject: [PATCH 1/2] Wrap bank_rotation access in GetPaintBankRotation

---
 src/openrct2/ride/VehiclePaint.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/openrct2/ride/VehiclePaint.cpp b/src/openrct2/ride/VehiclePaint.cpp
index e0960b14ef..d50efc818b 100644
--- a/src/openrct2/ride/VehiclePaint.cpp
+++ b/src/openrct2/ride/VehiclePaint.cpp
@@ -3352,7 +3352,7 @@ static void VehiclePitchUp16BankedRight45(
 static void VehiclePitchUp16(
     PaintSession& session, const Vehicle* vehicle, int32_t imageDirection, int32_t z, const CarEntry* carEntry)
 {
-    switch (vehicle->bank_rotation)
+    switch (GetPaintBankRotation(vehicle))
     {
         case 0:
             VehiclePitchUp16Unbanked(session, vehicle, imageDirection, z, carEntry);
@@ -3594,7 +3594,7 @@ static void VehiclePitchDown16BankedRight45(
 static void VehiclePitchDown16(
     PaintSession& session, const Vehicle* vehicle, int32_t imageDirection, int32_t z, const CarEntry* carEntry)
 {
-    switch (vehicle->bank_rotation)
+    switch (GetPaintBankRotation(vehicle))
     {
         case 0:
             VehiclePitchDown16Unbanked(session, vehicle, imageDirection, z, carEntry);

From 2dc42a0d69cf60d5ab1b1f4a66e20009f8e5303f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Severin=20Paul=20H=C3=B6fer?=
 <84280965+zzril@users.noreply.github.com>
Date: Thu, 6 Jul 2023 00:21:03 +0200
Subject: [PATCH 2/2] Update changelog.txt

---
 distribution/changelog.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 778940a7f2..9e733c18c8 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -24,6 +24,7 @@
 - Fix: [#20361] Crash when using random map generation.
 - Fix: [#20364] Adding too much money with cheats causes an overflow.
 - Fix: [#20365] Money cheat input does not support negative values.
+- Fix: [#20389] Reversed vehicles are now correctly banked on diagonal slopes.
 - Fix: [#20413] Crash when attempting to navigate an empty console history.
 - Fix: [#20417] Plugin/custom windows are missing the left border in the title bar.
 - Fix: [#20429] Error window tooltip not closing after 8 seconds.