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-rw-r--r--src/ai/api/ai_rail.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/ai/api/ai_rail.cpp b/src/ai/api/ai_rail.cpp
index eb2e01628..9b2974a30 100644
--- a/src/ai/api/ai_rail.cpp
+++ b/src/ai/api/ai_rail.cpp
@@ -19,6 +19,7 @@
#include "../../newgrf.h"
#include "../../newgrf_generic.h"
#include "../../newgrf_station.h"
+#include "../../economy_func.h"
/* static */ bool AIRail::IsRailTile(TileIndex tile)
{
@@ -454,3 +455,17 @@ static bool IsValidSignalType(int signal_type)
return AIObject::DoCommand(tile, track, 0, CMD_REMOVE_SIGNALS);
}
+
+/* static */ Money AIRail::GetBuildCost(RailType railtype, BuildType build_type)
+{
+ if (!AIRail::IsRailTypeAvailable(railtype)) return -1;
+
+ switch (build_type) {
+ case BT_TRACK: return ::RailBuildCost((::RailType)railtype);
+ case BT_SIGNAL: return ::GetPrice(PR_BUILD_SIGNALS, 1, NULL);
+ case BT_DEPOT: return ::GetPrice(PR_BUILD_DEPOT_TRAIN, 1, NULL);
+ case BT_STATION: return ::GetPrice(PR_BUILD_STATION_RAIL, 1, NULL) + ::GetPrice(PR_BUILD_STATION_RAIL_LENGTH, 1, NULL);
+ case BT_WAYPOINT: return ::GetPrice(PR_BUILD_WAYPOINT_RAIL, 1, NULL);
+ default: return -1;
+ }
+}