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Code Issues Activity

Fix #7142: Missing map bounds check when building long roads.

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This commit is contained in:
Peter Nelson
2019-01-30 09:20:07 +00:00
committed by PeterN
parent 8334a57332
commit e982b9131e
1 changed files with 3 additions and 1 deletions

4
src/road_cmd.cpp

@@ -809,7 +809,9 @@ do_clear:;
*/
static bool CanConnectToRoad(TileIndex tile, RoadType rt, DiagDirection dir)
{
RoadBits bits = GetAnyRoadBits(tile + TileOffsByDiagDir(dir), rt, false);
tile += TileOffsByDiagDir(dir);
if (!IsValidTile(tile)) return false;
RoadBits bits = GetAnyRoadBits(tile, rt, false);
return (bits & DiagDirToRoadBits(ReverseDiagDir(dir))) != 0;
}