133 lines
3.9 KiB
C#
133 lines
3.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 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.Drawing;
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using System.Linq;
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using OpenRA.Mods.Common.Orders;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("This actor can interact with TunnelEntrances to move through TerrainTunnels.")]
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public class EntersTunnelsInfo : ITraitInfo, Requires<IMoveInfo>
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{
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public readonly string EnterCursor = "enter";
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public readonly string EnterBlockedCursor = "enter-blocked";
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[VoiceReference] public readonly string Voice = "Action";
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public object Create(ActorInitializer init) { return new EntersTunnels(init.Self, this); }
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}
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public class EntersTunnels : IIssueOrder, IResolveOrder, IOrderVoice
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{
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readonly EntersTunnelsInfo info;
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readonly IMove move;
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public EntersTunnels(Actor self, EntersTunnelsInfo info)
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{
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this.info = info;
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move = self.Trait<IMove>();
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}
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public IEnumerable<IOrderTargeter> Orders
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{
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get
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{
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yield return new EnterTunnelOrderTargeter(info);
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}
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}
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public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
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{
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if (order.OrderID != "EnterTunnel")
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return null;
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if (target.Type == TargetType.FrozenActor)
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return new Order(order.OrderID, self, queued) { ExtraData = target.FrozenActor.ID, SuppressVisualFeedback = true };
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return new Order(order.OrderID, self, queued) { TargetActor = target.Actor, SuppressVisualFeedback = true };
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}
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public string VoicePhraseForOrder(Actor self, Order order)
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{
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return order.OrderString == "EnterTunnel" ? info.Voice : null;
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}
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public void ResolveOrder(Actor self, Order order)
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{
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if (order.OrderString != "EnterTunnel")
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return;
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var target = self.ResolveFrozenActorOrder(order, Color.Red);
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if (target.Type != TargetType.Actor)
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return;
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var tunnel = target.Actor.TraitOrDefault<TunnelEntrance>();
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if (!tunnel.Exit.HasValue)
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return;
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if (!order.Queued)
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self.CancelActivity();
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self.SetTargetLine(Target.FromCell(self.World, tunnel.Exit.Value), Color.Green);
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self.QueueActivity(move.MoveTo(tunnel.Entrance, tunnel.NearEnough));
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self.QueueActivity(move.MoveTo(tunnel.Exit.Value, tunnel.NearEnough));
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}
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class EnterTunnelOrderTargeter : UnitOrderTargeter
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{
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readonly EntersTunnelsInfo info;
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public EnterTunnelOrderTargeter(EntersTunnelsInfo info)
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: base("EnterTunnel", 6, info.EnterCursor, true, true)
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{
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this.info = info;
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}
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public override bool CanTargetActor(Actor self, Actor target, TargetModifiers modifiers, ref string cursor)
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{
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if (target.IsDead)
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return false;
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var tunnel = target.TraitOrDefault<TunnelEntrance>();
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if (tunnel == null)
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return false;
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// HACK: The engine does not support HiddenUnderFog combined with buildings that use the "_" footprint
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// We therefore have to use AlwaysVisible and then force-disable interacting with the entrance under shroud
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var buildingInfo = target.Info.TraitInfoOrDefault<BuildingInfo>();
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if (buildingInfo != null)
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{
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var footprint = FootprintUtils.PathableTiles(target.Info.Name, buildingInfo, target.Location);
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if (footprint.All(c => self.World.ShroudObscures(c)))
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return false;
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}
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if (!tunnel.Exit.HasValue)
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{
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cursor = info.EnterBlockedCursor;
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return false;
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}
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cursor = info.EnterCursor;
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return true;
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}
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public override bool CanTargetFrozenActor(Actor self, FrozenActor target, TargetModifiers modifiers, ref string cursor)
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{
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return CanTargetActor(self, target.Actor, modifiers, ref cursor);
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}
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}
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}
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}
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