49 lines
1.5 KiB
C#
49 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Chickensoft.AutoInject;
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using Chickensoft.Introspection;
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using Godot;
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namespace Movementtests.managers;
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[GlobalClass, Meta(typeof(IAutoNode))]
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public partial class TokenManager : Node
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{
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public override void _Notification(int what) => this.Notify(what);
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public record struct Token(ulong InstanceId, Action OnUse);
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private Dictionary<ulong, Token> Tokens { get; set; } = [];
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public int TokenCount => Tokens.Count;
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private List<ulong> RequestQueue { get; set; } = [];
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public int MaxTokens { get; set;}
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public void Initialize(int maxTokens)
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{
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MaxTokens = maxTokens;
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}
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public Token? RequestToken(Node owner)
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{
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if (Tokens.ContainsKey(owner.GetInstanceId())) return null; // Already has a token
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if (RequestQueue.Contains(owner.GetInstanceId())) return null; // Already in queue
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RequestQueue.Add(owner.GetInstanceId());
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if (TokenCount >= MaxTokens) return null; // Max tokens reached
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if (RequestQueue.First() != owner.GetInstanceId()) return null; // Next in line is not the requester
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RequestQueue.RemoveAt(0);
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var ownerInstanceId = owner.GetInstanceId();
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var token = new Token(ownerInstanceId, () => UseToken(ownerInstanceId));
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Tokens.Add(token.InstanceId, token);
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return token;
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}
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public void UseToken(ulong instanceId)
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{
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Tokens.Remove(instanceId);
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}
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} |