Files
OpenRA/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnTerrain.cs
2017-09-16 15:51:37 +02:00

68 lines
2.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Linq;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
public class GrantConditionOnTerrainInfo : ITraitInfo
{
[FieldLoader.Require]
[GrantedConditionReference]
[Desc("Condition to grant.")]
public readonly string Condition = null;
[FieldLoader.Require]
[Desc("Terrain names to trigger the condition.")]
public readonly string[] TerrainTypes = { };
public object Create(ActorInitializer init) { return new GrantConditionOnTerrain(init, this); }
}
public class GrantConditionOnTerrain : INotifyCreated, ITick
{
readonly GrantConditionOnTerrainInfo info;
ConditionManager conditionManager;
int conditionToken = ConditionManager.InvalidConditionToken;
string previousTerrain;
public GrantConditionOnTerrain(ActorInitializer init, GrantConditionOnTerrainInfo info)
{
this.info = info;
}
void INotifyCreated.Created(Actor self)
{
conditionManager = self.TraitOrDefault<ConditionManager>();
}
void ITick.Tick(Actor self)
{
if (conditionManager == null)
return;
var currentTerrain = self.World.Map.GetTerrainInfo(self.Location).Type;
var wantsGranted = info.TerrainTypes.Contains(currentTerrain);
if (currentTerrain != previousTerrain)
{
if (wantsGranted && conditionToken == ConditionManager.InvalidConditionToken)
conditionToken = conditionManager.GrantCondition(self, info.Condition);
else if (!wantsGranted && conditionToken != ConditionManager.InvalidConditionToken)
conditionToken = conditionManager.RevokeCondition(self, conditionToken);
}
previousTerrain = currentTerrain;
}
}
}