public uint Checksum()
{
uint sum = 0;
sum ^= randomValue;
sum ^= (uint)currentTick;
sum ^= map.Checksum();
sum ^= (uint)_entities.Count;
foreach (var ent in _entities)
{
sum ^= ent.Checksum();
}
return(sum);
}
// Rebuild the reachability array.
public void ComputeReachability()
{
reachability = new int[map.width / granularity, map.depth / granularity];
// Walk every element in the map, and flood-fill from any with a 0 region.
var next_reachability_tag = 1;
for (var z = 0; z < map.depth / granularity; z += 1)
{
for (var x = 0; x < map.width / granularity; x += 1)
{
if (reachability[x, z] != 0)
{
// Already visited.
continue;
}
if (!MapPassable(x * granularity, z * granularity))
{
reachability[x, z] = impassibleTag;
continue;
}
var watch = new System.Diagnostics.Stopwatch();
watch.Start();
ComputeReachabilityFrom(x * granularity, z * granularity, next_reachability_tag);
watch.Stop();
UnityEngine.Debug.Log(string.Format("Took {0}s to build reachability region {1}", watch.Elapsed, next_reachability_tag));
next_reachability_tag += 1;
}
}
// Recalculate the checksum.
checksum = map.Checksum();
for (int x = 0; x < reachability.GetLength(0); x += 1)
{
for (int z = 0; z < reachability.GetLength(1); z += 1)
{
checksum ^= (uint)reachability[x, z];
}
}
}
