134 lines
3.8 KiB
C#
Executable File
134 lines
3.8 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2014 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. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Mods.RA.Render;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Activities
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{
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public class Teleport : Activity
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{
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Actor chronosphere;
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CPos destination;
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int? maximumDistance;
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bool killCargo;
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bool screenFlash;
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string sound;
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const int maxCellSearchRange = Map.MaxTilesInCircleRange;
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public Teleport(Actor chronosphere, CPos destination, int? maximumDistance, bool killCargo, bool screenFlash, string sound)
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{
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if (maximumDistance > maxCellSearchRange)
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throw new InvalidOperationException("Teleport cannot be used with a maximum teleport distance greater than {0}.".F(maxCellSearchRange));
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this.chronosphere = chronosphere;
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this.destination = destination;
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this.maximumDistance = maximumDistance;
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this.killCargo = killCargo;
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this.screenFlash = screenFlash;
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this.sound = sound;
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}
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public override Activity Tick(Actor self)
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{
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var pc = self.TraitOrDefault<PortableChrono>();
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if (pc != null && !pc.CanTeleport)
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return NextActivity;
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var bestCell = ChooseBestDestinationCell(self, destination);
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if (bestCell == null)
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return NextActivity;
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destination = bestCell.Value;
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Sound.Play(sound, self.CenterPosition);
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Sound.Play(sound, self.World.Map.CenterOfCell(destination));
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self.Trait<IPositionable>().SetPosition(self, destination);
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self.Generation++;
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if (killCargo && self.HasTrait<Cargo>())
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{
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var cargo = self.Trait<Cargo>();
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if (chronosphere != null)
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{
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while (!cargo.IsEmpty(self))
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{
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var a = cargo.Unload(self);
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// Kill all the units that are unloaded into the void
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// Kill() handles kill and death statistics
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a.Kill(chronosphere);
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}
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}
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}
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// Consume teleport charges if this wasn't triggered via chronosphere
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if (chronosphere == null && pc != null)
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pc.ResetChargeTime();
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// Trigger screen desaturate effect
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if (screenFlash)
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foreach (var a in self.World.ActorsWithTrait<ChronoshiftPaletteEffect>())
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a.Trait.Enable();
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if (chronosphere != null && !chronosphere.Destroyed && chronosphere.HasTrait<RenderBuilding>())
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chronosphere.Trait<RenderBuilding>().PlayCustomAnim(chronosphere, "active");
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return NextActivity;
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}
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CPos? ChooseBestDestinationCell(Actor self, CPos destination)
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{
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var restrictTo = maximumDistance == null ? null : self.World.Map.FindTilesInCircle(self.Location, maximumDistance.Value);
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if (maximumDistance != null)
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destination = restrictTo.MinBy(x => (x - destination).LengthSquared);
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var pos = self.Trait<IPositionable>();
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if (pos.CanEnterCell(destination) && self.Owner.Shroud.IsExplored(destination))
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return destination;
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var searched = new List<CPos>();
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for (var r = 1; r <= maxCellSearchRange || (maximumDistance != null && r <= maximumDistance); r++)
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{
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foreach (var tile in self.World.Map.FindTilesInCircle(destination, r).Except(searched))
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{
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if (self.Owner.Shroud.IsExplored(tile)
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&& (restrictTo == null || (restrictTo != null && restrictTo.Contains(tile)))
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&& pos.CanEnterCell(tile))
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return tile;
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searched.Add(tile);
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}
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}
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return null;
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}
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}
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public class SimpleTeleport : Activity
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{
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CPos destination;
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public SimpleTeleport(CPos destination) { this.destination = destination; }
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public override Activity Tick(Actor self)
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{
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self.Trait<IPositionable>().SetPosition(self, destination);
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self.Generation++;
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return NextActivity;
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}
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}
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}
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