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

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yexo 2009-09-02 12:48:23 +00:00
parent b7f7dd77bf
commit 05433adb6d
1 changed files with 12 additions and 0 deletions
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12
src/ai/api/ai_tile.cpp
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@ -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));
}