96 lines
3.4 KiB
C#
96 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Collections.Generic;
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using System.IO;
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using System.Linq;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Scripting;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Scripting
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{
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[ScriptPropertyGroup("General")]
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public class ConditionProperties : ScriptActorProperties, Requires<ExternalConditionInfo>
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{
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readonly ExternalCondition[] externalConditions;
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readonly Dictionary<string, Stack<int>> legacyShim = new Dictionary<string, Stack<int>>();
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public ConditionProperties(ScriptContext context, Actor self)
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: base(context, self)
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{
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externalConditions = self.TraitsImplementing<ExternalCondition>().ToArray();
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}
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[Desc("Grant an external condition on this actor and return the revocation token.",
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"Conditions must be defined on an ExternalConditions trait on the actor.",
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"If duration > 0 the condition will be automatically revoked after the defined number of ticks")]
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public int GrantCondition(string condition, int duration = 0)
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{
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var external = externalConditions
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.FirstOrDefault(t => t.Info.Condition == condition && t.CanGrantCondition(Self, this));
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if (external == null)
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throw new InvalidDataException("Condition `{0}` has not been listed on an enabled ExternalCondition trait".F(condition));
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return external.GrantCondition(Self, this, duration);
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}
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[Desc("Revoke a condition using the token returned by GrantCondition.")]
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public void RevokeCondition(int token)
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{
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foreach (var external in externalConditions)
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if (external.TryRevokeCondition(Self, this, token))
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break;
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}
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[Desc("Check whether this actor accepts a specific external condition.")]
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public bool AcceptsCondition(string condition)
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{
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return externalConditions
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.Any(t => t.Info.Condition == condition && t.CanGrantCondition(Self, this));
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}
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[Desc("Grant an upgrade to this actor. DEPRECATED! Will be removed.")]
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public void GrantUpgrade(string upgrade)
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{
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Game.Debug("GrantUpgrade is deprecated. Use GrantCondition instead.");
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legacyShim.GetOrAdd(upgrade).Push(GrantCondition(upgrade));
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}
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[Desc("Revoke an upgrade that was previously granted using GrantUpgrade. DEPRECATED! Will be removed.")]
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public void RevokeUpgrade(string upgrade)
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{
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Game.Debug("RevokeUpgrade is deprecated. Use RevokeCondition instead.");
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Stack<int> tokens;
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if (!legacyShim.TryGetValue(upgrade, out tokens) || !tokens.Any())
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throw new InvalidDataException("Attempting to revoke upgrade `{0}` that has not been granted.".F(upgrade));
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RevokeCondition(tokens.Pop());
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}
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[Desc("Grant a limited-time upgrade to this actor. DEPRECATED! Will be removed.")]
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public void GrantTimedUpgrade(string upgrade, int duration)
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{
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Game.Debug("GrantTimedUpgrade is deprecated. Use GrantCondition instead.");
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GrantCondition(upgrade, duration);
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}
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[Desc("Check whether this actor accepts a specific upgrade. DEPRECATED! Will be removed.")]
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public bool AcceptsUpgrade(string upgrade)
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{
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Game.Debug("AcceptsUpgrade is deprecated. Use AcceptsCondition instead.");
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return AcceptsCondition(upgrade);
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}
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}
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}
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