From 67dcf1ffd8409e2bfc30b452aa09615aa0786290 Mon Sep 17 00:00:00 2001
From: tron <tron@openttd.org>
Date: Wed, 16 Nov 2005 12:04:34 +0000
Subject: [PATCH] (svn r3197) Use a better bias so you can directly see the
 date range a disaster can happen in

---
 disaster_cmd.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/disaster_cmd.c b/disaster_cmd.c
index ff4d6712a9..12fc40b4fa 100644
--- a/disaster_cmd.c
+++ b/disaster_cmd.c
@@ -941,21 +941,21 @@ static DisasterInitProc * const _disaster_initprocs[] = {
 	Disaster7_Init,
 };
 
-typedef struct {
-	byte min,max;
-} DisasterYears;
-
-#define MK(a,b) {a-20,b-20}
-static const DisasterYears _dis_years[8] = {
-	MK(30,55),
-	MK(40,70),
-	MK(60,90),
-	MK(70,100),
-	MK(100,200),
-	MK(40,65),
-	MK(75,110),
-	MK(50,85),
+#define MK(a, b) { (a) - MAX_YEAR_BEGIN_REAL, (b) - MAX_YEAR_BEGIN_REAL }
+static const struct {
+	byte min;
+	byte max;
+} _dis_years[] = {
+	MK(1930, 1955),
+	MK(1940, 1970),
+	MK(1960, 1990),
+	MK(1970, 2000),
+	MK(2000, 2100),
+	MK(1940, 1965),
+	MK(1975, 2010),
+	MK(1950, 1985)
 };
+#undef MK
 
 
 static void DoDisaster(void)