public static void BuildPriority(Build build, int deltaPriority)
{
build.Priority += deltaPriority;
var bpri = Builds.OrderBy(b => b.Priority).ThenBy(b => b == build ? deltaPriority : 0).ToList();
int i = 1;
foreach (var b in bpri)
{
if (b.Type == BuildType.Lock)
{
b.Priority = 0;
}
else
{
b.Priority = i++;
}
}
}