From b5627afcea5d177db133a96eb971407e0cd2f403 Mon Sep 17 00:00:00 2001 From: belugas Date: Wed, 22 Aug 2007 00:59:46 +0000 Subject: (svn r10962) -Codechange: protect yourself against an illicit substitution --- src/industry_cmd.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index ce9e15ae8..07a3996f2 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -274,9 +274,11 @@ static void DrawTile_Industry(TileInfo *ti) } else { /* No sprite group (or no valid one) found, meaning no graphics associated. * Use the substitute one instead */ - gfx = indts->grf_prop.subst_id; - /* And point the industrytile spec accordingly */ - indts = GetIndustryTileSpec(indts->grf_prop.subst_id); + if (indts->grf_prop.subst_id != INVALID_INDUSTRYTILE) { + gfx = indts->grf_prop.subst_id; + /* And point the industrytile spec accordingly */ + indts = GetIndustryTileSpec(gfx); + } } } -- cgit v1.2.3-70-g09d2