// Start is called before the first frame update
void Start()
{
// States init
normal = new NormalState();
faster = new FasterState();
stronger = new StrongerState();
berzerk = new BerzerkState();
secondPeriod = new SecondPeriodState();
// Stats init
speed = Stats.BossStat.Speed;
life = Stats.BossStat.MaxHP;
// AI init
target = GameObject.Find("Player").transform;
seeker = GetComponent <Pathfinding.Seeker>();
rb = GetComponent <Rigidbody2D>();
groundCheckRadius = 0.25f;
collisionLayer = LayerMask.GetMask("Foundation");
enemyGFX = this.transform;
InvokeRepeating("UpdatePath", 0f, 0.5f);
// As the boss stats are updated widely during the fight we reset them at the begining
//Stats.BossStat.ResetStat();
// The first two bosses appear in their normal state
if (Stats.BossStat.Level < 2)
{
stateMachine.Initialize(normal);
}
// All the other bosses do more damage on start
else
{
stateMachine.Initialize(stronger);
}
}
/// <summary>
/// A transactional (exactly once) processing loop that reads individual words and updates
/// the corresponding total count state.
///
/// When a rebalance occurs (including on startup), the count state for the incrementally
/// assigned partitions is reloaded before the loop commences to update it. For this use-
/// case, the CooperativeSticky assignor is much more efficient than the Range or RoundRobin
/// assignors since it keeps to a minimum the count state that needs to be materialized.
/// </summary>
/// <remarks>
/// Refer to Processor_MapWords for more detailed comments.
/// </remarks>
public static void Processor_AggregateWords(string brokerList, string clientId, CancellationToken ct)
{
if (clientId == null)
{
throw new Exception("Aggregate words processor requires that a client id is specified.");
}
var txnCommitPeriod = TimeSpan.FromSeconds(10);
var pConfig = new ProducerConfig
{
BootstrapServers = brokerList,
ClientId = clientId + "_producer",
TransactionalId = TransactionalIdPrefix_Aggregate + "-" + clientId
};
var cConfig = new ConsumerConfig
{
BootstrapServers = brokerList,
ClientId = clientId + "_consumer",
GroupId = ConsumerGroup_Aggregate,
AutoOffsetReset = AutoOffsetReset.Earliest,
// This should be greater than the maximum amount of time required to read in
// existing count state. It should not be too large, since a rebalance may be
// blocked for this long.
MaxPollIntervalMs = 600000, // 10 minutes.
EnableAutoCommit = false,
// Enable incremental rebalancing by using the CooperativeSticky
// assignor (avoid stop-the-world rebalances). This is particularly important,
// in the AggregateWords case, since the entire count state for newly assigned
// partitions is loaded in the partitions assigned handler.
PartitionAssignmentStrategy = PartitionAssignmentStrategy.CooperativeSticky,
};
var lastTxnCommit = DateTime.Now;
using (var producer = new ProducerBuilder <string, int>(pConfig).Build())
using (var consumer = new ConsumerBuilder <string, Null>(cConfig)
.SetPartitionsRevokedHandler((c, partitions) => {
var remaining = c.Assignment.Where(tp => partitions.Where(x => x.TopicPartition == tp).Count() == 0);
Console.WriteLine(
"** AggregateWords consumer group partitions revoked: [" +
string.Join(',', partitions.Select(p => p.Partition.Value)) +
"], remaining: [" +
string.Join(',', remaining.Select(p => p.Partition.Value)) +
"]");
// Remove materialized word count state for the partitions that have been revoked.
foreach (var tp in partitions)
{
WordCountState[tp.Partition].Dispose();
WordCountState.Remove(tp.Partition);
}
producer.SendOffsetsToTransaction(
c.Assignment.Select(a => new TopicPartitionOffset(a, c.Position(a))),
c.ConsumerGroupMetadata,
DefaultTimeout);
producer.CommitTransaction();
producer.BeginTransaction();
})
.SetPartitionsLostHandler((c, partitions) => {
Console.WriteLine(
"** AggregateWords consumer group partitions lost: [" +
string.Join(',', partitions.Select(p => p.Partition.Value)) +
"]");
// clear materialized word count state for all partitions.
foreach (var tp in partitions)
{
WordCountState[tp.Partition].Dispose();
WordCountState.Remove(tp.Partition);
}
producer.AbortTransaction();
producer.BeginTransaction();
})
.SetPartitionsAssignedHandler((c, partitions) => {
Console.WriteLine(
"** AggregateWords consumer group partition assigned: [" +
string.Join(',', partitions.Select(p => p.Partition.Value)) +
"], all: [" +
string.Join(',', c.Assignment.Concat(partitions).Select(p => p.Partition.Value)) +
"]");
if (partitions.Count > 0)
{
// Initialize FASTER KV stores for each new partition.
foreach (var tp in partitions)
{
var partitionState = new FasterState(tp.Partition);
WordCountState.Add(tp.Partition, partitionState);
}
// Materialize count state for partitions into the FASTER KV stores.
// Note: the partiioning of Topic_Counts matches Topic_Words.
LoadCountState(brokerList, partitions.Select(tp => tp.Partition), ct);
}
})
.Build())
{
consumer.Subscribe(Topic_Words);
producer.InitTransactions(DefaultTimeout);
producer.BeginTransaction();
var wCount = 0;
while (true)
{
try
{
ct.ThrowIfCancellationRequested();
var cr = consumer.Consume(TimeSpan.FromSeconds(1));
if (cr != null)
{
string key = cr.Message.Key;
var(_, count) = WordCountState[cr.Partition].Session.Read(cr.Message.Key);
count += 1;
WordCountState[cr.Partition].Session.Upsert(key, count);
producer.Produce(Topic_Counts, new Message <string, int> {
Key = cr.Message.Key, Value = count
});
wCount += 1;
}
if (DateTime.Now > lastTxnCommit + txnCommitPeriod)
{
producer.SendOffsetsToTransaction(
// Note: committed offsets reflect the next message to consume, not last
// message consumed. consumer.Position returns the last consumed offset
// values + 1, as required.
consumer.Assignment.Select(a => new TopicPartitionOffset(a, consumer.Position(a))),
consumer.ConsumerGroupMetadata,
DefaultTimeout);
producer.CommitTransaction();
producer.BeginTransaction();
Console.WriteLine($"Committed AggregateWords transaction(s) comprising updates to {wCount} words.");
lastTxnCommit = DateTime.Now;
wCount = 0;
}
}
catch (Exception e)
{
producer.AbortTransaction();
Console.WriteLine("Exiting AggregateWords consume loop due to an exception: " + e);
consumer.Close();
Console.WriteLine("AggregateWords consumer closed");
break;
}
}
}
}
