70 lines
1.7 KiB
C#
70 lines
1.7 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.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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public class UpgradeOnTerrainInfo : ITraitInfo, Requires<UpgradeManagerInfo>
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{
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[UpgradeGrantedReference]
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public readonly string[] Upgrades = { "terrain" };
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[Desc("Terrain names to trigger the upgrade.")]
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public readonly string[] TerrainTypes = { };
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public object Create(ActorInitializer init) { return new UpgradeOnTerrain(init, this); }
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}
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public class UpgradeOnTerrain : ITick
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{
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readonly Actor self;
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readonly UpgradeOnTerrainInfo info;
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readonly UpgradeManager manager;
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bool granted;
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string previousTerrain;
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public UpgradeOnTerrain(ActorInitializer init, UpgradeOnTerrainInfo info)
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{
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self = init.Self;
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this.info = info;
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manager = self.Trait<UpgradeManager>();
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}
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public void Tick(Actor self)
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{
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var currentTerrain = self.World.Map.GetTerrainInfo(self.Location).Type;
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var wantsGranted = info.TerrainTypes.Contains(currentTerrain);
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if (currentTerrain != previousTerrain)
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{
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if (wantsGranted && !granted)
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{
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foreach (var up in info.Upgrades)
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manager.GrantUpgrade(self, up, this);
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granted = true;
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}
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else if (!wantsGranted && granted)
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{
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foreach (var up in info.Upgrades)
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manager.RevokeUpgrade(self, up, this);
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granted = false;
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}
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}
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previousTerrain = currentTerrain;
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}
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}
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}
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