(svn r9542) -Fix(FS# 712): When checking if a vehicle is on a given tile, and you are working on the ground tile, do not take aircrafts into account, as they do not pose any danger for the construction/destruction/conversion itself. Z stuff, in other words

1 files changed, 5 insertions, 5 deletions

diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index b054968be..c086d0c61 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -120,7 +120,7 @@ int32 CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 	if (!CheckAllowRemoveRoad(tile, pieces, &edge_road)) return CMD_ERROR;
 
-	if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 	/* check if you're allowed to remove the street owned by a town
 	 * removal allowance depends on difficulty setting */
@@ -281,7 +281,7 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 					if ((existing & pieces) == pieces) {
 						return_cmd_error(STR_1007_ALREADY_BUILT);
 					}
-					if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+					if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 					break;
 
 				case ROAD_TILE_CROSSING:
@@ -325,7 +325,7 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 				default: goto do_clear;
 			}
 
-			if (!EnsureNoVehicle(tile)) return CMD_ERROR;
+			if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 			if (flags & DC_EXEC) {
 				YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetTrackBits(tile)));
@@ -383,7 +383,7 @@ int32 DoConvertStreetRail(TileIndex tile, RailType totype, bool exec)
 	if (!IsLevelCrossing(tile)) return CMD_ERROR;
 
 	/* not owned by me? */
-	if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) return CMD_ERROR;
+	if (!CheckTileOwnership(tile) || !EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
 
 	if (GetRailType(tile) == totype) return CMD_ERROR;
 
@@ -902,7 +902,7 @@ static void TileLoop_Road(TileIndex tile)
 			if (t->road_build_months != 0 &&
 					(DistanceManhattan(t->xy, tile) < 8 || grp != 0) &&
 					GetRoadTileType(tile) == ROAD_TILE_NORMAL && (GetRoadBits(tile) == ROAD_X || GetRoadBits(tile) == ROAD_Y)) {
-				if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicle(tile) && CHANCE16(1, 20)) {
+				if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && CHANCE16(1, 20)) {
 					StartRoadWorks(tile);
 
 					SndPlayTileFx(SND_21_JACKHAMMER, tile);