From 3866effe71bcd5e6dfc65c72fca74fa8ff019b29 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Fri, 23 May 2008 16:08:58 +0000
Subject: (svn r13222) -Change: allow old AI building helistations and
 helidepots for oil rig routes

---
 src/ai/default/default.cpp |  3 ++-
 src/table/ai_rail.h        | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/ai/default/default.cpp b/src/ai/default/default.cpp
index 4b1abfafe..fc874f322 100644
--- a/src/ai/default/default.cpp
+++ b/src/ai/default/default.cpp
@@ -3446,7 +3446,8 @@ static int AiFindBestDefaultAirportBlock(TileIndex tile, byte cargo, byte heli,
 		/* do not build small airport if we have large available and we are not building heli route */
 		uint valid = GetValidAirports();
 		for (uint i = 0; (p = _airport_default_block_data[i]) != NULL; i++) {
-			if (HasBit(valid, p->attr) && !(GetAirport(p->attr)->flags & AirportFTAClass::SHORT_STRIP)) {
+			uint flags = GetAirport(p->attr)->flags;
+			if (HasBit(valid, p->attr) && (flags & AirportFTAClass::AIRPLANES) && !(flags & AirportFTAClass::SHORT_STRIP)) {
 				no_small = true;
 				break;
 			}
diff --git a/src/table/ai_rail.h b/src/table/ai_rail.h
index 5649637c1..43a882429 100644
--- a/src/table/ai_rail.h
+++ b/src/table/ai_rail.h
@@ -593,15 +593,27 @@ static const AiDefaultBlockData _airportdata_ai_5[] = {
 	MKEND(),
 };
 
+static const AiDefaultBlockData _airportdata_ai_6[] = {
+	MKAIR(6, 0, 0),
+	MKEND(),
+};
+
 static const AiDefaultBlockData _airportdata_ai_7[] = {
 	MKAIR(7, 0, 0),
 	MKEND(),
 };
 
+static const AiDefaultBlockData _airportdata_ai_8[] = {
+	MKAIR(8, 0, 0),
+	MKEND(),
+};
+
 #undef MKAIR
 #undef MDEND
 
 static const AiDefaultBlockData * const _airport_default_block_data[] = {
+	_airportdata_ai_8, // helistation
+	_airportdata_ai_6, // helidepot
 	_airportdata_ai_7, // intercontinental airport
 	_airportdata_ai_4, // international airport
 	_airportdata_ai_3, // metropolitan airport
-- 
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