Mercurial > hg > openttd
changeset 13975:e8007147592b draft
(svn r18513) -Fix [FS#3379]: sometimes NewGRFs throw invalid data at OpenTTD and that triggered a check... that if a has to be between b and c (inclusive) then c must be bigger than or equal to b (and definitely not smaller)
author | rubidium <rubidium@openttd.org> |
---|---|
date | Wed, 16 Dec 2009 00:06:51 +0000 |
parents | 2d23b551b221 |
children | 9e8eabc11352 |
files | src/newgrf_industrytiles.cpp |
diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/src/newgrf_industrytiles.cpp +++ b/src/newgrf_industrytiles.cpp @@ -253,10 +253,10 @@ NewIndustryTileResolver(&object, gfx, ti->tile, i); group = SpriteGroup::Resolve(inds->grf_prop.spritegroup, &object); - if (group == NULL || group->type != SGT_TILELAYOUT) { + const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group; + if (group == NULL || group->type != SGT_TILELAYOUT || tlgroup->num_sprites == 0) { return false; } else { - const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group; /* Limit the building stage to the number of stages supplied. */ byte stage = GetIndustryConstructionStage(ti->tile); stage = Clamp(stage - 4 + tlgroup->num_sprites, 0, tlgroup->num_sprites - 1);