public CollisionMap GetCollisionData(params uint[] dwLevelIds)
{
CollisionMap result = null;
foreach (var dwLevelId in dwLevelIds)
{
if (!levelCollisions.ContainsKey(dwLevelId))
{
game.MapHandler.RevealLevel(dwLevelId);
}
if (result == null)
{
result = levelCollisions[dwLevelId];
}
else
{
result = result.Merge(levelCollisions[dwLevelId]);
}
}
return(result);
}