From d51a14e8ca2c2ab1fd3cebb7d562b9b36f4c1221 Mon Sep 17 00:00:00 2001
From: Marijn van der Werf <marijn.vanderwerf@gmail.com>
Date: Sat, 20 Aug 2016 22:20:18 +0200
Subject: [PATCH] Integrate word_9A3684

---
 src/ride/vehicle.c      |  2 +-
 src/ride/vehicle_data.c | 36 ++++++++++++++++++++++++++++++++++++
 src/ride/vehicle_data.h |  2 ++
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/src/ride/vehicle.c b/src/ride/vehicle.c
index 26813d312b..87efd57abe 100644
--- a/src/ride/vehicle.c
+++ b/src/ride/vehicle.c
@@ -4632,7 +4632,7 @@ static void vehicle_update_sound(rct_vehicle *vehicle)
 	vehicle->sound2_volume = (soundIdVolume >> 8) & 0xFF;
 
 	{
-		int ebx = RCT2_ADDRESS(0x009A3684, sint16)[vehicle->sprite_direction];
+		int ebx = word_9A3684[vehicle->sprite_direction];
 		int eax = ((vehicle->velocity >> 14) * ebx) >> 14;
 		eax = clamp(-127, eax, 127);
 
diff --git a/src/ride/vehicle_data.c b/src/ride/vehicle_data.c
index 26d41dccb3..f07ad06efd 100644
--- a/src/ride/vehicle_data.c
+++ b/src/ride/vehicle_data.c
@@ -882,3 +882,39 @@ const sint32 dword_9A2970[] = {
 	 546342,	// 58
 	-110424,	// 59
 };
+
+/** rct2: 0x009A3684 */
+const sint32 word_9A3684[] = {
+	-0x4000,	// 0
+	-0x3000,	// 1
+	-0x2000,	// 2
+	-0x1000,	// 3
+	      0,	// 4
+	 0x1000,	// 5
+	 0x2000,	// 6
+	 0x3000,	// 7
+	 0x4000,	// 8
+	 0x4800,	// 9
+	 0x4800,	// 10
+	 0x4800,	// 11
+	 0x4800,	// 12
+	 0x4800,	// 13
+	 0x4800,	// 14
+	 0x4800,	// 15
+	 0x4000,	// 16
+	 0x3000,	// 17
+	 0x2000,	// 18
+	 0x1000,	// 19
+	      0,	// 20
+	-0x1000,	// 21
+	-0x2000,	// 22
+	-0x3000,	// 23
+	-0x4000,	// 24
+	-0x4800,	// 25
+	-0x4800,	// 26
+	-0x4800,	// 27
+	-0x4800,	// 28
+	-0x4800,	// 29
+	-0x4800,	// 30
+	-0x4800,	// 31
+};
diff --git a/src/ride/vehicle_data.h b/src/ride/vehicle_data.h
index 8aad6b7156..47d33d2628 100644
--- a/src/ride/vehicle_data.h
+++ b/src/ride/vehicle_data.h
@@ -36,4 +36,6 @@ extern const int MotionSimulatorTimeToSpriteMapCount;
 extern const sint32 dword_9A2930[];
 extern const sint32 dword_9A2970[];
 
+extern const sint32 word_9A3684[];
+
 #endif