(svn r17378) -Fix [NoAI]: Several AITile::* functions didn't check whether their parameters were valid

replace/41b28d7194a279bdc17475d4fbe2ea6ec885a466
yexo 15 years ago
parent b7f7dd77bf
commit 05433adb6d

@ -95,31 +95,43 @@
/* static */ bool AITile::HasTreeOnTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTileType(tile, MP_TREES);
}
/* static */ bool AITile::IsFarmTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_FIELDS));
}
/* static */ bool AITile::IsRockTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROCKS));
}
/* static */ bool AITile::IsRoughTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROUGH));
}
/* static */ bool AITile::IsSnowTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_SNOW));
}
/* static */ bool AITile::IsDesertTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_DESERT));
}

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