d643d2ebda
While C&C-specific sound defaults might be acceptable for C&C-specific traits like MadTank and Chronoshiftable, for common, generic traits like Building they no longer are.
105 lines
2.8 KiB
C#
105 lines
2.8 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2018 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;
|
|
using System.Collections.Generic;
|
|
using OpenRA.Mods.Common.Activities;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits
|
|
{
|
|
[Desc("This unit can spawn and eject other actors while flying.")]
|
|
public class ParaDropInfo : ITraitInfo, Requires<CargoInfo>
|
|
{
|
|
[Desc("Distance around the drop-point to unload troops.")]
|
|
public readonly WDist DropRange = WDist.FromCells(4);
|
|
|
|
[Desc("Sound to play when dropping.")]
|
|
public readonly string ChuteSound = null;
|
|
|
|
public object Create(ActorInitializer init) { return new ParaDrop(init.Self, this); }
|
|
}
|
|
|
|
public class ParaDrop : ITick, ISync, INotifyRemovedFromWorld
|
|
{
|
|
readonly ParaDropInfo info;
|
|
readonly Actor self;
|
|
readonly Cargo cargo;
|
|
readonly HashSet<CPos> droppedAt = new HashSet<CPos>();
|
|
|
|
public event Action<Actor> OnRemovedFromWorld = self => { };
|
|
public event Action<Actor> OnEnteredDropRange = self => { };
|
|
public event Action<Actor> OnExitedDropRange = self => { };
|
|
|
|
[Sync] bool inDropRange;
|
|
[Sync] Target target;
|
|
|
|
bool checkForSuitableCell;
|
|
|
|
public ParaDrop(Actor self, ParaDropInfo info)
|
|
{
|
|
this.info = info;
|
|
this.self = self;
|
|
cargo = self.Trait<Cargo>();
|
|
}
|
|
|
|
public void SetLZ(CPos lz, bool checkLandingCell)
|
|
{
|
|
droppedAt.Clear();
|
|
target = Target.FromCell(self.World, lz);
|
|
checkForSuitableCell = checkLandingCell;
|
|
}
|
|
|
|
void ITick.Tick(Actor self)
|
|
{
|
|
var wasInDropRange = inDropRange;
|
|
inDropRange = target.IsInRange(self.CenterPosition, info.DropRange);
|
|
|
|
if (inDropRange && !wasInDropRange)
|
|
OnEnteredDropRange(self);
|
|
|
|
if (!inDropRange && wasInDropRange)
|
|
OnExitedDropRange(self);
|
|
|
|
// Are we able to drop the next trooper?
|
|
if (!inDropRange || cargo.IsEmpty(self))
|
|
return;
|
|
|
|
if (droppedAt.Contains(self.Location) || (checkForSuitableCell && !IsSuitableCell(cargo.Peek(self), self.Location)))
|
|
return;
|
|
|
|
if (!self.World.Map.Contains(self.Location))
|
|
return;
|
|
|
|
// unload a dude here
|
|
droppedAt.Add(self.Location);
|
|
|
|
var a = cargo.Unload(self);
|
|
self.World.AddFrameEndTask(w =>
|
|
{
|
|
w.Add(a);
|
|
a.QueueActivity(new Parachute(a, self.CenterPosition));
|
|
});
|
|
Game.Sound.Play(SoundType.World, info.ChuteSound, self.CenterPosition);
|
|
}
|
|
|
|
static bool IsSuitableCell(Actor actorToDrop, CPos p)
|
|
{
|
|
return actorToDrop.Trait<IPositionable>().CanEnterCell(p);
|
|
}
|
|
|
|
void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
|
|
{
|
|
OnRemovedFromWorld(self);
|
|
}
|
|
}
|
|
}
|