From 3cab5f30c06035034bcf5b513c2eee57b8ec11e9 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Wed, 16 Aug 2006 11:39:55 +0000
Subject: (svn r5926) -Codechange: make _cur_year contain the full year,
 instead of the offset since 1920 -Codechange: store all year related
 variables that are _not_ stored in a savegame/transported over the network in
 the same format as _cur_year

---
 openttd.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'openttd.h')

diff --git a/openttd.h b/openttd.h
index 5221ffe76..9e9d26861 100644
--- a/openttd.h
+++ b/openttd.h
@@ -52,7 +52,12 @@ typedef uint16 UnitID;   ///< All unitnumber stuff is of this type (or anyway, s
 typedef uint32 WindowNumber;
 typedef byte WindowClass;
 
-typedef uint8  Year;
+enum {
+	INVALID_YEAR = -1,
+	INVALID_DATE = (uint16)-1,
+};
+
+typedef int16  Year;
 typedef uint16 Date;
 
 
-- 
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