109 lines
2.6 KiB
C#
109 lines
2.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Allows the storage of resources.")]
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public class StoresResourcesInfo : TraitInfo, IStoresResourcesInfo
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{
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[FieldLoader.Require]
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[Desc("The amounts of resources that can be stored.")]
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public readonly int Capacity = 28;
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[Desc("Which resources can be stored.")]
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public readonly string[] Resources = Array.Empty<string>();
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string[] IStoresResourcesInfo.ResourceTypes => Resources;
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public override object Create(ActorInitializer init) { return new StoresResources(init.Self, this); }
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}
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public class StoresResources : IStoresResources, ISync
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{
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readonly Dictionary<string, int> contents = new();
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readonly StoresResourcesInfo info;
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[Sync]
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public int ContentHash
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{
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get
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{
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var value = 0;
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foreach (var c in contents)
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value += c.Value << c.Key.Length;
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return value;
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}
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}
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public int ContentsSum { get; private set; } = 0;
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public IReadOnlyDictionary<string, int> Contents { get; }
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int IStoresResources.Capacity => info.Capacity;
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public StoresResources(Actor self, StoresResourcesInfo info)
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{
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this.info = info;
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foreach (var r in info.Resources)
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contents[r] = 0;
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Contents = new ReadOnlyDictionary<string, int>(contents);
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}
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public bool HasType(string resourceType)
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{
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return info.Resources.Contains(resourceType);
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}
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int IStoresResources.AddResource(string resourceType, int value)
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{
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if (!HasType(resourceType))
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return value;
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if (ContentsSum + value > info.Capacity)
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{
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var added = info.Capacity - ContentsSum;
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contents[resourceType] += added;
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ContentsSum = info.Capacity;
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return value - added;
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}
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contents[resourceType] += value;
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ContentsSum += value;
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return 0;
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}
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int IStoresResources.RemoveResource(string resourceType, int value)
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{
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if (!HasType(resourceType))
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return value;
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if (contents[resourceType] < value)
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{
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var leftover = value - contents[resourceType];
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ContentsSum -= contents[resourceType];
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contents[resourceType] = 0;
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return leftover;
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}
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contents[resourceType] -= value;
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ContentsSum -= value;
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return 0;
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}
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}
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}
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