public static void CheckRandom(EntityRandom random, string at)
{
int i0 = random.Next(), i1 = random.Next(), i2 = random.Next();
if (i0 == i1 && i1 == i2)
{
throw new Exception("Random generator is out of whack: " + at);
}
}
private static void TestIntBuckets(EntityRandom random, int numBuckets)
{
int[] count = new int[numBuckets];
int numRuns = 1000 * count.Length;
for (int i = 0; i < numRuns; i++)
{
int n = random.Next(count.Length);
Assert.IsTrue(n >= 0 && n < count.Length);
count[n]++;
}
CheckEvenDistribution(count, numRuns);
}
protected override void Evolve(ref Actions newState, Entity currentState, int generation, EntityRandom random, Shard.EntityRanges ranges)
{
CheckRandom(random, "started");
if (isConsistent && currentState.Contacts != null)
{
foreach (var c in currentState.Contacts)
{
var dist = Vec3.GetChebyshevDistance(c.ID.Position, currentState.ID.Position);
Assert.IsTrue(dist <= Simulation.SensorRange);
if (!IsConsistent(c.Appearances))
{
isConsistent = false;
break;
}
}
}
newState.AddOrReplace(new ConsistencyAppearance(isConsistent)); //is consistent?
if (!Simulation.MySpace.Contains(currentState.ID.Position))
{
throw new IntegrityViolation(currentState + ": not located in simulation space " + Simulation.MySpace);
}
int cnt = 0;
do
{
Vec3 draw = random.NextVec3(-ranges.M, ranges.M);
newState.NewPosition = ranges.World.Clamp(currentState.ID.Position + draw);
if (++cnt > 1000)
{
throw new Exception("Exceeded 1000 tries, going from " + currentState.ID.Position + ", by " + M + "->" + draw + " in " + Simulation.MySpace + "; " + random.Next() + ", " + random.Next() + ", " + random.Next());
}
}while (newState.NewPosition == currentState.ID.Position);
}