Использование управляемых типов в Задачах (2024)

struct Player{ public int Id; public int Points; public int Health;}struct ChooseTextJobManaged : IJob{ public Player Player; public Player[] AllPlayers; public string WinText; public string LoseText; public string DrawText; public string[] ChosenText; public void Execute() { // Если мы умерли, то мы проиграли if (Player.Health <= 0) { ChosenText[0] = LoseText; return; } // Выбрать живого игрока с максимальным количеством очков, кроме нас Player mostPointsPlayer = new Player { Id = 0, Points = int.MinValue }; foreach (Player player in AllPlayers) { // Мертвый if (player.Health <= 0) { continue; } // Мы if (player.Id == Player.Id) { continue; } // Максимум очков if (player.Points > mostPointsPlayer.Points) { mostPointsPlayer = player; } } // У нас больше очков чем у кого либо... выиграли if (Player.Points > mostPointsPlayer.Points) { ChosenText[0] = WinText; } // У нас меньше очков чем у топового игрока… проиграли else if (Player.Points < mostPointsPlayer.Points) { ChosenText[0] = LoseText; } // У нас столько же очков как и у топового игрока... ничья else { ChosenText[0] = DrawText; } }}

class TestScript : MonoBehaviour{ void Start() { Player player = new Player { Id = 1, Health = 10, Points = 10 }; Player[] allPlayers = { player, new Player { Id = 2, Health = 10, Points = 5 }, new Player { Id = 3, Health = 0, Points = 5 } }; string winText = "You win!"; string loseText = "You lose!"; string drawText = "You tied!"; string[] chosenText = new string[1]; new ChooseTextJobManaged { Player = player, AllPlayers = allPlayers, WinText = winText, LoseText = loseText, DrawText = drawText, ChosenText = chosenText }.Run(); print(chosenText[0]); }}

InvalidOperationException: ChooseTextJobManaged.AllPlayers is not a value type. Job structs may not contain any reference types.Unity.Jobs.LowLevel.Unsafe.JobsUtility.CreateJobReflectionData (System.Type type, Unity.Jobs.LowLevel.Unsafe.JobType jobType, System.Object managedJobFunction0, System.Object managedJobFunction1, System.Object managedJobFunction2) (at /Users/builduser/buildslave/unity/build/Runtime/Jobs/ScriptBindings/Jobs.bindings.cs:96)Unity.Jobs.IJobExtensions+JobStruct`1[T].Initialize () (at /Users/builduser/buildslave/unity/build/Runtime/Jobs/Managed/IJob.cs:23)Unity.Jobs.IJobExtensions.Run[T] (T jobData) (at /Users/builduser/buildslave/unity/build/Runtime/Jobs/Managed/IJob.cs:42)TestScript.Start () (at Assets/TestScript.cs:75)

public struct ManagedObjectRef<T> where T : class{ public readonly int Id; public ManagedObjectRef(int id) { Id = id; }}

using System.Collections.Generic;public class ManagedObjectWorld{ private int m_NextId; private readonly Dictionary<int, object> m_Objects; public ManagedObjectWorld(int initialCapacity = 1000) { m_NextId = 1; m_Objects = new Dictionary<int, object>(initialCapacity); } public ManagedObjectRef<T> Add<T>(T obj) where T : class { int id = m_NextId; m_NextId++; m_Objects[id] = obj; return new ManagedObjectRef<T>(id); } public T Get<T>(ManagedObjectRef<T> objRef) where T : class { return (T)m_Objects[objRef.Id]; } public void Remove<T>(ManagedObjectRef<T> objRef) where T : class { m_Objects.Remove(objRef.Id); }}

// Создаем worldManagedObjectWorld world = new ManagedObjectWorld();// Добавляем управляемый объект// Получаем обратно ссылкуManagedObjectRef<string> message = world.Add("Hello!");// Получаем управляемый объект по ссылкеstring str = world.Get(message);print(str); // Hello!// Удаляем объектworld.Remove(message);

// Передать nullManagedObjectRef<string> nullRef = default(ManagedObjectRef<string>);string str = world.Get(nullRef); // Exception: ID 0 не найден// Неверный типManagedObjectRef<string> hi = world.Add("Hello!");ManagedObjectRef<int[]> wrongTypeRef = new ManagedObjectRef<int[]>(hi.Id);int[] arr = world.Get(wrongTypeRef); // Exception: приведение string в int[] не удалось// Двойное удалениеworld.Remove(hi);world.Remove(hi); // Пустой вызов// Get after removestring hiStr = message.Get(hi); // Exception: ID isn't found (it was removed)

[BurstCompile]struct ChooseTextJobRef : IJob{ public Player Player; public NativeArray<Player> AllPlayers; public ManagedObjectRef<string> WinText; public ManagedObjectRef<string> LoseText; public ManagedObjectRef<string> DrawText; public NativeArray<ManagedObjectRef<string>> ChosenText; public void Execute() { // Если мы умерли, то мы проиграли if (Player.Health <= 0) { ChosenText[0] = LoseText; return; } // Выбрать живого игрока с максимальным количеством очков, кроме нас Player mostPointsPlayer = new Player { Id = 0, Points = int.MinValue }; for (int i = 0; i < AllPlayers.Length; i++) { Player player = AllPlayers[i]; // Мертвый if (player.Health <= 0) { continue; } // Мы if (player.Id == Player.Id) { continue; } // Максимум очков if (player.Points > mostPointsPlayer.Points) { mostPointsPlayer = player; } } // У нас больше очков чем у кого либо... выиграли if (Player.Points > mostPointsPlayer.Points) { ChosenText[0] = WinText; } // У нас меньше очков чем у топового игрока… проиграли else if (Player.Points < mostPointsPlayer.Points) { ChosenText[0] = LoseText; } // У нас столько же очков как и у топового игрока... ничья else { ChosenText[0] = DrawText; } }}

class TestScript : MonoBehaviour{ void Start() { Player player = new Player { Id = 1, Health = 10, Points = 10 }; NativeArray<Player> allPlayers = new NativeArray<Player>(3, Allocator.TempJob); allPlayers[0] = player; allPlayers[1] = new Player { Id = 2, Health = 10, Points = 5 }; allPlayers[2] = new Player { Id = 3, Health = 0, Points = 5 }; string winText = "You win!"; string loseText = "You lose!"; string drawText = "You tied!"; ManagedObjectWorld world = new ManagedObjectWorld(); ManagedObjectRef<string> winTextRef = world.Add(winText); ManagedObjectRef<string> loseTextRef = world.Add(loseText); ManagedObjectRef<string> drawTextRef = world.Add(drawText); NativeArray<ManagedObjectRef<string>> chosenText = new NativeArray<ManagedObjectRef<string>>(1, Allocator.TempJob); new ChooseTextJobRef { Player = player, AllPlayers = allPlayers, WinText = winTextRef, LoseText = loseTextRef, DrawText = drawTextRef, ChosenText = chosenText }.Run(); print(world.Get(chosenText[0])); allPlayers.Dispose(); chosenText.Dispose(); }}