From 599d806113940550e2cef600c7259ee33ba183de Mon Sep 17 00:00:00 2001
From: duncanspumpkin <duncans_pumpkin@hotmail.co.uk>
Date: Sat, 16 Jan 2016 10:11:56 +0000
Subject: [PATCH] Fix #2740. Swinging animations should now work correctly

---
 src/ride/vehicle.c | 2 +-
 src/ride/vehicle.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 19eb0e4a13..c2674de06b 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -5567,7 +5567,7 @@ static int vehicle_get_swing_amount(rct_vehicle *vehicle)
 static void vehicle_update_swinging_car(rct_vehicle *vehicle)
 {
 	sint32 dword_F64E08 = RCT2_GLOBAL(0x00F64E08, sint32);
-	vehicle->var_4E = (-vehicle->swinging_car_var_0) >> 6;
+	vehicle->var_4E += (-vehicle->swinging_car_var_0) >> 6;
 	int swingAmount = vehicle_get_swing_amount(vehicle);
 	if (swingAmount < 0) {
 		vehicle->var_4E -= dword_F64E08 >> (-swingAmount);
diff --git a/src/ride/vehicle.h b/src/ride/vehicle.h
index 840a064696..5d76f38b8e 100644
--- a/src/ride/vehicle.h
+++ b/src/ride/vehicle.h
@@ -148,7 +148,7 @@ typedef struct {
 			sint8 ferris_wheel_var_1;	// 0x4D
 		};
 	};
-	uint16 var_4E;
+	sint16 var_4E;
 	uint8 status;					// 0x50
 	uint8 sub_state;				// 0x51
 	uint16 peep[32];				// 0x52