From 30874b5e81af0fff2f42d34b9b105ee86666b8ac Mon Sep 17 00:00:00 2001 From: frosch Date: Tue, 8 Nov 2011 17:26:49 +0000 Subject: (svn r23147) -Change: [NewGRF v8] Unify the return values of boolean callbacks, and check the results for validity. --- src/newgrf_airporttiles.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/newgrf_airporttiles.cpp') diff --git a/src/newgrf_airporttiles.cpp b/src/newgrf_airporttiles.cpp index abb468bc1..cf61d024d 100644 --- a/src/newgrf_airporttiles.cpp +++ b/src/newgrf_airporttiles.cpp @@ -287,7 +287,7 @@ bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const Airport if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) { /* Called to determine the type (if any) of foundation to draw */ uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile); - draw_old_one = (callback_res != 0); + if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res); } if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED); -- cgit v1.2.3-54-g00ecf