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(svn r15187) -Fix: assert when an AI called AIRoad::GetNeighbourRoadCount on a tile at the north edge (bug found by SmatZ).

release/0.7
Yexo 2009-01-21 01:37:20 +00:00
parent e395533632
commit 2307adf8d2
1 changed files with 2 additions and 2 deletions
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4
src/ai/api/ai_road.cpp
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@ -422,10 +422,10 @@ static bool NeighbourHasReachableRoad(::RoadTypes rts, TileIndex start_tile, Dia
::RoadTypes rts = ::RoadTypeToRoadTypes((::RoadType)GetCurrentRoadType()); ::RoadTypes rts = ::RoadTypeToRoadTypes((::RoadType)GetCurrentRoadType());
int32 neighbour = 0; int32 neighbour = 0;
if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_NE)) neighbour++; if (TileX(tile) > 0 && NeighbourHasReachableRoad(rts, tile, DIAGDIR_NE)) neighbour++;
if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_SE)) neighbour++; if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_SE)) neighbour++;
if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_SW)) neighbour++; if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_SW)) neighbour++;
if (NeighbourHasReachableRoad(rts, tile, DIAGDIR_NW)) neighbour++; if (TileY(tile) > 0 && NeighbourHasReachableRoad(rts, tile, DIAGDIR_NW)) neighbour++;
return neighbour; return neighbour;
} }