7b8275100d
Refactors event, entity, and physics management to use thread-safe and lock-free data structures (Immutable collections, ConcurrentQueue, ConcurrentDictionary, Channel) for improved concurrency and performance. Replaces O(n) queue lookups with O(1) set/dictionary checks, ensures atomic updates for shared state, and optimizes queue draining and deferred action processing. Updates related code to use new APIs and patterns, and adds documentation for thread safety and workflow.
102 lines
4.5 KiB
C#
102 lines
4.5 KiB
C#
using Barotrauma.Items.Components;
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using Barotrauma.Networking;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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namespace Barotrauma
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{
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partial class EntitySpawner : Entity, IServerSerializable
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{
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/// <summary>
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/// Thread-safe queue for received entity spawn/remove events from the server.
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/// </summary>
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private readonly ConcurrentQueue<(Entity entity, bool isRemoval)> receivedEventsQueue = new ConcurrentQueue<(Entity entity, bool isRemoval)>();
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/// <summary>
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/// Gets a thread-safe snapshot of received events.
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/// </summary>
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public IEnumerable<(Entity entity, bool isRemoval)> GetReceivedEventsSnapshot()
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{
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return receivedEventsQueue.ToArray();
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}
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/// <summary>
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/// Clears all received events from the queue.
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/// </summary>
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partial void ResetReceivedEvents()
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{
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while (receivedEventsQueue.TryDequeue(out _)) { }
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}
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public void ClientEventRead(IReadMessage message, float sendingTime)
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{
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bool remove = message.ReadBoolean();
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if (remove)
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{
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ushort entityId = message.ReadUInt16();
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var entity = FindEntityByID(entityId);
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if (entity != null)
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{
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DebugConsole.Log($"Received entity removal message for \"{entity}\".");
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if (entity is Item item && item.Container?.GetComponent<Deconstructor>() != null)
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{
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if (item.Prefab.ContentPackage == ContentPackageManager.VanillaCorePackage &&
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/* we don't need info of every deconstructed item, we can get a good sample size just by logging 5% */
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Rand.Range(0.0f, 1.0f) < 0.05f)
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{
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GameAnalyticsManager.AddDesignEvent("ItemDeconstructed:" + (GameMain.GameSession?.GameMode?.Preset.Identifier ?? "none".ToIdentifier()) + ":" + item.Prefab.Identifier);
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}
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}
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entity.Remove();
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}
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else
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{
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DebugConsole.Log("Received entity removal message for ID " + entityId + ". Entity with a matching ID not found.");
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}
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receivedEventsQueue.Enqueue((entity, true));
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}
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else
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{
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switch (message.ReadByte())
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{
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case (byte)SpawnableType.Item:
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var newItem = Item.ReadSpawnData(message, true);
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if (newItem == null)
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{
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DebugConsole.ThrowError("Received an item spawn message, but spawning the item failed.");
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}
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else
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{
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if (newItem.Container?.GetComponent<Fabricator>() != null)
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{
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if (newItem.Prefab.ContentPackage == ContentPackageManager.VanillaCorePackage &&
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/* we don't need info of every fabricated item, we can get a good sample size just by logging 5% */
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Rand.Range(0.0f, 1.0f) < 0.05f)
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{
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GameAnalyticsManager.AddDesignEvent("ItemFabricated:" + (GameMain.GameSession?.GameMode?.Preset.Identifier ?? "none".ToIdentifier()) + ":" + newItem.Prefab.Identifier);
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}
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}
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receivedEventsQueue.Enqueue((newItem, false));
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}
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break;
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case (byte)SpawnableType.Character:
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var character = Character.ReadSpawnData(message);
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if (character == null)
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{
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DebugConsole.ThrowError("Received character spawn message, but spawning the character failed.");
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}
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else
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{
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receivedEventsQueue.Enqueue((character, false));
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}
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break;
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default:
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DebugConsole.ThrowError("Received invalid entity spawn message (unknown spawnable type)");
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break;
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}
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}
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}
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}
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}
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