From 6423c857a79f3c49eb25653b6d27e9a4f9f56461 Mon Sep 17 00:00:00 2001
From: Kevin Burke <kev@inburke.com>
Date: Sun, 22 Mar 2015 12:27:15 -0700
Subject: [PATCH] Name var_199 as the downtime parameter

---
 src/ride/ride.c         | 2 +-
 src/ride/ride.h         | 4 ++--
 src/windows/ride.c      | 3 +--
 src/windows/ride_list.c | 4 ++--
 src/world/park.c        | 8 +++-----
 5 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/src/ride/ride.c b/src/ride/ride.c
index 54bd711b70..433cdbfd6a 100644
--- a/src/ride/ride.c
+++ b/src/ride/ride.c
@@ -1357,7 +1357,7 @@ static void ride_breakdown_update(int rideIndex)
 			ride->var_1A0 +
 			ride->var_1A2 +
 			ride->var_1A3;
-		ride->var_199 = min(ax / 2, 100);
+		ride->downtime = min(ax / 2, 100);
 
 		ride->var_1A3 = ride->var_1A2;
 		ride->var_1A2 = ride->var_1A1;
diff --git a/src/ride/ride.h b/src/ride/ride.h
index 767030ea92..82580c58fd 100644
--- a/src/ride/ride.h
+++ b/src/ride/ride.h
@@ -259,8 +259,8 @@ typedef struct {
 	// Small constant used to increase the unreliability as the game continues,
 	// making breakdowns more and more likely.
 	uint8 unreliability_factor;
-	// Down time
-	uint8 var_199;
+	// Range from [0, 100]
+	uint8 downtime;                 // 0x199
 	uint8 inspection_interval;		// 0x19A
 	uint8 last_inspection;			// 0x19B
 	uint8 var_19C;
diff --git a/src/windows/ride.c b/src/windows/ride.c
index 658a0baac2..3e0a507d21 100644
--- a/src/windows/ride.c
+++ b/src/windows/ride.c
@@ -3439,8 +3439,7 @@ static void window_ride_maintenance_paint()
 	window_ride_maintenance_draw_bar(w, dpi, x + 103, y, max(10, reliability), 14);
 	y += 11;
 
-	// Down time
-	downTime = ride->var_199;
+	downTime = ride->downtime;
 	gfx_draw_string_left(dpi, STR_DOWN_TIME_LABEL_1889, &downTime, 0, x, y);
 	window_ride_maintenance_draw_bar(w, dpi, x + 103, y, downTime, 28);
 	y += 26;
diff --git a/src/windows/ride_list.c b/src/windows/ride_list.c
index ff0d13f367..4db0193ba3 100644
--- a/src/windows/ride_list.c
+++ b/src/windows/ride_list.c
@@ -513,7 +513,7 @@ static void window_ride_list_scrollpaint()
 		case INFORMATION_TYPE_DOWN_TIME:
 			// edx = RCT2_GLOBAL(0x009ACFA4 + (ride->var_001 * 4), uint32);
 
-			RCT2_GLOBAL(0x013CE952 + 2, uint16) = ride->var_199;
+			RCT2_GLOBAL(0x013CE952 + 2, uint16) = ride->downtime;
 			formatSecondary = STR_DOWN_TIME_LABEL;
 			break;
 		case INFORMATION_TYPE_GUESTS_FAVOURITE:
@@ -670,7 +670,7 @@ static void window_ride_list_refresh_list(rct_window *w)
 		case INFORMATION_TYPE_DOWN_TIME:
 			while (--current_list_position >= 0) {
 				otherRide = &g_ride_list[w->list_item_positions[current_list_position]];
-				if (ride->var_199 <= otherRide->var_199)
+				if (ride->downtime <= otherRide->downtime)
 					break;
 
 				window_bubble_list_item(w, current_list_position);
diff --git a/src/world/park.c b/src/world/park.c
index f2f0344b56..a2d6c8cf63 100644
--- a/src/world/park.c
+++ b/src/world/park.c
@@ -203,15 +203,13 @@ int calculate_park_rating()
 	// Rides
 	{
 		int i;
-		short _ax, total_ride_intensity = 0, total_ride_excitement = 0, average_intensity, average_excitement;
+		short total_ride_uptime = 0, total_ride_intensity = 0, total_ride_excitement = 0, average_intensity, average_excitement;
 		int num_rides, num_exciting_rides = 0;
 		rct_ride* ride;
 
-		// 
-		_ax = 0;
 		num_rides = 0;
 		FOR_ALL_RIDES(i, ride) {
-			_ax += 100 - ride->var_199;
+			total_ride_uptime += 100 - ride->downtime;
 
 			if (ride->excitement != -1){
 				total_ride_excitement += ride->excitement / 8;
@@ -222,7 +220,7 @@ int calculate_park_rating()
 		}
 		result -= 200;
 		if (num_rides > 0)
-			result += (_ax / num_rides) * 2;
+			result += (total_ride_uptime / num_rides) * 2;
 
 		result -= 100;