From b3101dd9b0f972ea62819171a4192062ea7c295c Mon Sep 17 00:00:00 2001
From: janisozaur <janisozaur@users.noreply.github.com>
Date: Sun, 15 May 2016 16:59:42 +0200
Subject: [PATCH] Don't crash when vehicles have 0 friction (#3615)

---
 src/ride/vehicle.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 9ef8bc5f1d..f67bba93cf 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -8168,7 +8168,10 @@ int vehicle_update_track_motion(rct_vehicle *vehicle, int *outStation)
 	}
 	regs.edx >>= 4;
 	regs.eax = regs.edx;
-	regs.eax = regs.eax / totalFriction;
+	// OpenRCT2: vehicles from different track types can have  0 friction.
+	if (totalFriction != 0) {
+		regs.eax = regs.eax / totalFriction;
+	}
 	regs.ecx -= regs.eax;
 
 	if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)) {