Files
OpenRA/OpenRa.Game/Selection.cs
2010-02-08 19:19:35 +13:00

77 lines
2.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenRa.Traits;
using IjwFramework.Collections;
namespace OpenRa
{
public class Selection
{
List<Actor> actors = new List<Actor>();
public void Combine(World world, IEnumerable<Actor> newSelection, bool isCombine, bool isClick)
{
var oldSelection = actors.AsEnumerable();
if (isClick)
{
var adjNewSelection = newSelection.Take(1); /* todo: select BEST, not FIRST */
actors = (isCombine ? oldSelection.SymmetricDifference(adjNewSelection) : adjNewSelection).ToList();
}
else
actors = (isCombine ? oldSelection.Union(newSelection) : newSelection).ToList();
var voicedUnit = actors.FirstOrDefault(a => a.traits.Contains<Unit>() && a.Owner == world.LocalPlayer);
Sound.PlayVoice("Select", voicedUnit);
foreach (var ns in world.WorldActor.traits.WithInterface<INotifySelection>())
ns.SelectionChanged();
}
public IEnumerable<Actor> Actors { get { return actors; } }
public void Clear() { actors = new List<Actor>(); }
public void Tick(World world)
{
actors.RemoveAll(a => !a.IsInWorld);
}
Cache<int, List<Actor>> controlGroups = new Cache<int, List<Actor>>(_ => new List<Actor>());
public void DoControlGroup(World world, int group, Modifiers mods)
{
if (mods.HasModifier(Modifiers.Ctrl))
{
if (actors.Count == 0)
return;
controlGroups[group].Clear();
for (var i = 0; i < 10; i++) /* all control groups */
controlGroups[i].RemoveAll(a => actors.Contains(a));
controlGroups[group].AddRange(actors);
return;
}
if (mods.HasModifier(Modifiers.Alt))
{
Game.viewport.Center(controlGroups[group]);
return;
}
Combine(world, controlGroups[group],
mods.HasModifier(Modifiers.Shift), false);
}
public int? GetControlGroupForActor(Actor a)
{
return controlGroups.Where(g => g.Value.Contains(a))
.Select(g => (int?)g.Key)
.FirstOrDefault();
}
}
}