diff options
Diffstat (limited to 'src/industry_cmd.cpp')
| -rw-r--r-- | src/industry_cmd.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index 2ae199d40..0bf658cdc 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -334,6 +334,20 @@ static uint GetSlopeZ_Industry(TileIndex tile, uint x, uint y) static Foundation GetFoundation_Industry(TileIndex tile, Slope tileh) { + IndustryGfx gfx = GetIndustryGfx(tile); + + /* For NewGRF industry tiles we might not be drawing a foundation. We need to + * account for this, otherwise we might be applying a FOUNDATION_LEVELED + * on a steep slope which is not allowed. Furthermore other structures should + * draw the wall of the foundation in this case. + */ + if (gfx >= NEW_INDUSTRYTILEOFFSET) { + const IndustryTileSpec *indts = GetIndustryTileSpec(gfx); + if (indts->grf_prop.spritegroup != NULL && HasBit(indts->callback_flags, CBM_INDT_DRAW_FOUNDATIONS)) { + uint32 callback_res = GetIndustryTileCallback(CBID_INDUSTRY_DRAW_FOUNDATIONS, 0, 0, gfx, GetIndustryByTile(tile), tile); + if (callback_res == 0) return FOUNDATION_NONE; + } + } return FlatteningFoundation(tileh); } |