118 lines
3.4 KiB
C#
118 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2016 The OpenRA Developers (see AUTHORS)
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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.Linq;
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using OpenRA.Support;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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public abstract class UpgradeMultiplierTraitInfo : ITraitInfo
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{
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[Desc("Boolean expression defining the condition to enable this trait.",
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"Overrides UpgradeTypes/BaseLevel if set.",
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"Only the first Modifier will be used when the condition is enabled.")]
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[UpgradeUsedReference]
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public readonly BooleanExpression RequiresCondition = null;
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[UpgradeUsedReference]
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[Desc("Accepted upgrade types.")]
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public readonly string[] UpgradeTypes = { };
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[Desc("The lowest upgrade level using the scale.")]
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public readonly int BaseLevel = 1;
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[FieldLoader.Require]
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[Desc("Percentages to apply with the first being applied at the base level.",
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"Repeat last entry to accept time extensions.",
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"If no upgrade types are specified, then the first/only modifier is always applied.")]
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public readonly int[] Modifier = { };
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public abstract object Create(ActorInitializer init);
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}
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public abstract class UpgradeMultiplierTrait : IUpgradable, IDisabledTrait, ISync
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{
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readonly UpgradeMultiplierTraitInfo info;
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readonly Dictionary<string, bool> conditions = new Dictionary<string, bool>();
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[Sync] int level = 0;
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[Sync] public bool IsTraitDisabled { get; private set; }
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IEnumerable<string> IUpgradable.UpgradeTypes
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{
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get
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{
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if (info.RequiresCondition != null)
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return info.RequiresCondition.Variables;
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return info.UpgradeTypes;
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}
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}
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protected UpgradeMultiplierTrait(UpgradeMultiplierTraitInfo info, string modifierType, string actorType)
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{
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this.info = info;
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if (info.Modifier.Length == 0)
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throw new ArgumentException("No modifiers in " + modifierType + " for " + actorType);
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// TODO: Set initial state from a future ConditionsInit
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if (info.RequiresCondition != null)
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IsTraitDisabled = !info.RequiresCondition.Evaluate(conditions);
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else
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{
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IsTraitDisabled = info.UpgradeTypes != null && info.UpgradeTypes.Length > 0 && info.BaseLevel > 0;
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level = IsTraitDisabled ? 0 : info.BaseLevel;
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}
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}
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public bool AcceptsUpgradeLevel(Actor self, string type, int level)
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{
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if (info.RequiresCondition != null)
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return level == 1;
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return level < info.Modifier.Length + info.BaseLevel;
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}
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// Override to receive notice of level change.
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protected virtual void Update(Actor self) { }
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public void UpgradeLevelChanged(Actor self, string type, int oldLevel, int newLevel)
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{
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if (info.RequiresCondition != null)
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{
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conditions[type] = newLevel > 0;
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IsTraitDisabled = !info.RequiresCondition.Evaluate(conditions);
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}
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else
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{
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if (!info.UpgradeTypes.Contains(type))
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return;
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level = newLevel.Clamp(0, Math.Max(info.Modifier.Length + info.BaseLevel - 1, 0));
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IsTraitDisabled = level < info.BaseLevel;
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}
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Update(self);
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}
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public int GetModifier()
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{
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if (info.RequiresCondition != null)
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return IsTraitDisabled ? 100 : info.Modifier[0];
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return IsTraitDisabled ? 100 : info.Modifier[level - info.BaseLevel];
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}
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}
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}
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