/**
** Can a unit of unit-type be placed at this point.
**
** @param type unit-type to be checked.
** @param pos map tile position.
**
** @return True if could be entered, false otherwise.
*/
bool UnitTypeCanBeAt(const CUnitType &type, const Vec2i &pos)
{
const int mask = type.MovementMask;
unsigned int index = pos.y * Map.Info.MapWidth;
for (int addy = 0; addy < type.TileHeight; ++addy) {
for (int addx = 0; addx < type.TileWidth; ++addx) {
if (Map.Info.IsPointOnMap(pos.x + addx, pos.y + addy) == false
|| Map.CheckMask(pos.x + addx + index, mask) == true) {
return false;
}
}
index += Map.Info.MapWidth;
}
return true;
}
/**
** Can move to this point, applying mask.
**
** @param pos map tile position.
** @param mask Mask for movement to apply.
**
** @return True if could be entered, false otherwise.
*/
bool CheckedCanMoveToMask(const Vec2i &pos, int mask)
{
return Map.Info.IsPointOnMap(pos) && !Map.CheckMask(pos, mask);
}