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authorfrosch <frosch@openttd.org>2011-11-08 17:26:49 +0000
committerfrosch <frosch@openttd.org>2011-11-08 17:26:49 +0000
commit30874b5e81af0fff2f42d34b9b105ee86666b8ac (patch)
tree6fd8200f08019910de826cf6f1b9b6e92f7d2d69 /src/newgrf_industrytiles.cpp
parentb98c7763de42eda4b3d19604bc3f33452b9b05e4 (diff)
downloadopenttd-30874b5e81af0fff2f42d34b9b105ee86666b8ac.tar.xz
(svn r23147) -Change: [NewGRF v8] Unify the return values of boolean callbacks, and check the results for validity.
Diffstat (limited to 'src/newgrf_industrytiles.cpp')
-rw-r--r--src/newgrf_industrytiles.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index 187a63ddc..0014a0bd8 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -248,7 +248,7 @@ bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const Indus
if (HasBit(inds->callback_mask, CBM_INDT_DRAW_FOUNDATIONS)) {
/* Called to determine the type (if any) of foundation to draw for industry tile */
uint32 callback_res = GetIndustryTileCallback(CBID_INDTILE_DRAW_FOUNDATIONS, 0, 0, gfx, i, ti->tile);
- draw_old_one = (callback_res != 0);
+ if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(inds->grf_prop.grffile, CBID_INDTILE_DRAW_FOUNDATIONS, callback_res);
}
if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);