From 73d06418b62f0302614371b68990812276dba5e0 Mon Sep 17 00:00:00 2001
From: Maciek Baron <thebezet@gmail.com>
Date: Fri, 9 May 2014 23:06:53 +0100
Subject: [PATCH] Adding ride build date, reset function

---
 src/ride.c     | 17 +++++++++++++++++
 src/ride.h     |  5 ++++-
 src/scenario.c |  2 +-
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/ride.c b/src/ride.c
index cc6f543d7f..bb4d8e7164 100644
--- a/src/ride.c
+++ b/src/ride.c
@@ -150,3 +150,20 @@ void ride_init_all()
 		ride_measurement->var_00 = 0xFF;
 	}
 }
+
+/**
+*
+*  rct2: 0x006B7A38
+*/
+void reset_all_ride_build_dates() {
+	int i;
+	rct_ride *ride;
+	for (i = 0; i < MAX_RIDES; i++) {
+		ride = GET_RIDE(i);
+		if (ride->type != RIDE_TYPE_NULL) {
+			//mov	ax, current_month_year
+			//sub	[esi + 180h], ax
+			ride->build_date -= RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint16);
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/ride.h b/src/ride.h
index 78574be103..f7152bf3e5 100644
--- a/src/ride.h
+++ b/src/ride.h
@@ -72,7 +72,9 @@ typedef struct {
 	uint8 var_14D;
 	uint8 pad_14E[0x0A];
 	uint16 var_158;
-	uint8 pad_15A[0x3C];
+	uint8 pad_15A[0x26];
+	uint16 build_date;				
+	uint8 pad_182[0x14];
 	uint16 var_196;
 	uint8 pad_198;
 	uint8 var_199;
@@ -257,5 +259,6 @@ int ride_get_count();
 int ride_get_total_queue_length(rct_ride *ride);
 int ride_get_max_queue_time(rct_ride *ride);
 void ride_init_all();
+void reset_all_ride_build_dates();
 
 #endif
diff --git a/src/scenario.c b/src/scenario.c
index 0752ea39df..fbbb839e67 100644
--- a/src/scenario.c
+++ b/src/scenario.c
@@ -513,7 +513,7 @@ void scenario_load_and_play(rct_scenario_basic *scenario)
 	RCT2_GLOBAL(0x013587D8, uint16) = 63;
 	RCT2_CALLPROC_EBPSAFE(0x0069E869); // (loan related, called above already)
 	RCT2_CALLPROC_EBPSAFE(0x0066729F); // reset history / finance / awards
-	RCT2_CALLPROC_EBPSAFE(0x006B7A38); // reset_all_ride_build_dates
+	reset_all_ride_build_dates();
 	date_reset();
 	RCT2_CALLPROC_EBPSAFE(0x00674576);
 	park_calculate_size();