(svn r12759) -Fix(r12358): There is no need to mask callback result for pre-version7 since CBID_INDTILE_SHAPE_CHECK (cb2F) is really 15 bits.
--- a/src/newgrf_industrytiles.cpp Fri Apr 18 01:35:17 2008 +0000
+++ b/src/newgrf_industrytiles.cpp Fri Apr 18 03:17:22 2008 +0000
@@ -279,7 +279,7 @@
return !IsSlopeRefused(GetTileSlope(ind_tile, NULL), its->slopes_refused);
}
if (its->grf_prop.grffile->grf_version < 7) {
- return (callback_res & 0xFF) != 0; // mask to 8 bit callback result
+ return callback_res != 0;
}
/* Copy some parameters from the registers to the error message text ref. stack */