76 lines
2.2 KiB
C#
76 lines
2.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 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 GrantConditionOnTerrainInfo : ITraitInfo
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{
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[FieldLoader.Require]
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[GrantedConditionReference]
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[Desc("Condition to grant.")]
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public readonly string Condition = null;
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[FieldLoader.Require]
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[Desc("Terrain names to trigger the condition.")]
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public readonly string[] TerrainTypes = { };
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public object Create(ActorInitializer init) { return new GrantConditionOnTerrain(init, this); }
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}
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public class GrantConditionOnTerrain : INotifyCreated, ITick
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{
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readonly GrantConditionOnTerrainInfo info;
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readonly TileSet tileSet;
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ConditionManager conditionManager;
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int conditionToken = ConditionManager.InvalidConditionToken;
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string cachedTerrain;
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CPos cachedLocation;
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public GrantConditionOnTerrain(ActorInitializer init, GrantConditionOnTerrainInfo info)
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{
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this.info = info;
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tileSet = init.World.Map.Rules.TileSet;
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}
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void INotifyCreated.Created(Actor self)
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{
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conditionManager = self.TraitOrDefault<ConditionManager>();
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}
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void ITick.Tick(Actor self)
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{
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var loc = self.Location;
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if (conditionManager == null || loc == cachedLocation)
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return;
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var currentTerrain = loc.Layer == 0 ? self.World.Map.GetTerrainInfo(loc).Type :
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tileSet[self.World.GetCustomMovementLayers()[loc.Layer].GetTerrainIndex(loc)].Type;
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var wantsGranted = info.TerrainTypes.Contains(currentTerrain);
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if (currentTerrain != cachedTerrain)
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{
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if (wantsGranted && conditionToken == ConditionManager.InvalidConditionToken)
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conditionToken = conditionManager.GrantCondition(self, info.Condition);
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else if (!wantsGranted && conditionToken != ConditionManager.InvalidConditionToken)
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conditionToken = conditionManager.RevokeCondition(self, conditionToken);
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}
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cachedTerrain = currentTerrain;
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cachedLocation = loc;
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}
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}
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}
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