public AreaOverlap OverlapWith(Area a)
{
if (a.TrueCount == 0)
{
return(AreaOverlap.None);
}
if (this.Map != a.Map)
{
return(AreaOverlap.None);
}
if (this.cachedAreaOverlaps == null)
{
this.cachedAreaOverlaps = new Dictionary <Area, AreaOverlap>();
}
AreaOverlap areaOverlap = default(AreaOverlap);
if (!this.cachedAreaOverlaps.TryGetValue(a, out areaOverlap))
{
int num = 0;
int num2 = 0;
foreach (IntVec3 cell in this.Cells)
{
num2++;
if (a[cell])
{
num++;
}
}
areaOverlap = (AreaOverlap)((num != 0) ? ((num == num2) ? 1 : 2) : 0);
this.cachedAreaOverlaps.Add(a, areaOverlap);
}
return(areaOverlap);
}
public static bool OverlapWith(Region __instance, ref AreaOverlap __result, Area a)
{
if (a.TrueCount == 0)
{
__result = AreaOverlap.None;
return(false);
}
if (__instance.Map != a.Map)
{
__result = AreaOverlap.None;
return(false);
}
if (cachedAreaOverlaps(__instance) == null)
{
cachedAreaOverlaps(__instance) = new Dictionary <Area, AreaOverlap>();
}
Dictionary <Area, AreaOverlap> cao = cachedAreaOverlaps(__instance);
AreaOverlap value;
lock (cao)
{
bool valueExists = cao.TryGetValue(a, out value);
if (!valueExists)
{
int num = 0;
int num2 = 0;
foreach (IntVec3 cell in __instance.Cells)
{
num2++;
if (a[cell])
{
num++;
}
}
value = ((num != 0) ? ((num == num2) ? AreaOverlap.Entire : AreaOverlap.Partial) : AreaOverlap.None);
cao.Add(a, value);
}
}
__result = value;
return(false);
}