1 files changed, 47 insertions, 0 deletions
diff --git a/src/ai/api/ai_date.cpp b/src/ai/api/ai_date.cpp
new file mode 100644
index 000000000..b3ad552c9
--- /dev/null
+++ b/src/ai/api/ai_date.cpp
@@ -0,0 +1,47 @@
+/* $Id$ */
+
+/** @file ai_date.cpp Implementation of AIDate. */
+
+#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 < 0 || year > MAX_YEAR) return -1;
+
+	return ::ConvertYMDToDate(year, month - 1, day_of_month);
+}