diff -r 2c2a5a27c4eb -r cc77111ebd85 src/ai/api/ai_date.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ai/api/ai_date.cpp	Thu Mar 27 05:15:06 2008 +0000
@@ -0,0 +1,47 @@
+/* $Id$ */
+
+/** @file ai_date.cpp handles the functions of the AIDate class */
+
+#include "ai_date.hpp"
+#include "../../date_func.h"
+
+/* static */ int32 AIDate::GetCurrentDate()
+{
+	return ::_date;
+}
+
+/* static */ int32 AIDate::GetYear(int32 date)
+{
+	if (date < 0) return -1;
+
+	::YearMonthDay ymd;
+	::ConvertDateToYMD(date, &ymd);
+	return ymd.year;
+}
+
+/* static */ int32 AIDate::GetMonth(int32 date)
+{
+	if (date < 0) return -1;
+
+	::YearMonthDay ymd;
+	::ConvertDateToYMD(date, &ymd);
+	return ymd.month + 1;
+}
+
+/* static */ int32 AIDate::GetDayOfMonth(int32 date)
+{
+	if (date < 0) return -1;
+
+	::YearMonthDay ymd;
+	::ConvertDateToYMD(date, &ymd);
+	return ymd.day;
+}
+
+/* static */ int32 AIDate::GetDate(int32 year, int32 month, int32 day_of_month)
+{
+	if (month < 1 || month > 12) return -1;
+	if (day_of_month < 1 || day_of_month > 31) return -1;
+	if (year < 1 || year > MAX_YEAR) return -1;
+
+	return ::ConvertYMDToDate(year, month - 1, day_of_month);
+}