82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2022 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 System.Linq;
|
|
using OpenRA.Support;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA
|
|
{
|
|
public static class WorldUtils
|
|
{
|
|
public static Actor ClosestTo(this IEnumerable<Actor> actors, Actor a)
|
|
{
|
|
return actors.ClosestTo(a.CenterPosition);
|
|
}
|
|
|
|
public static Actor ClosestTo(this IEnumerable<Actor> actors, WPos pos)
|
|
{
|
|
return actors.MinByOrDefault(a => (a.CenterPosition - pos).LengthSquared);
|
|
}
|
|
|
|
public static WPos PositionClosestTo(this IEnumerable<WPos> positions, WPos pos)
|
|
{
|
|
return positions.MinByOrDefault(p => (p - pos).LengthSquared);
|
|
}
|
|
|
|
public static IEnumerable<Actor> FindActorsInCircle(this World world, WPos origin, WDist r)
|
|
{
|
|
// Target ranges are calculated in 2D, so ignore height differences
|
|
var vec = new WVec(r, r, WDist.Zero);
|
|
return world.ActorMap.ActorsInBox(origin - vec, origin + vec).Where(
|
|
a => (a.CenterPosition - origin).HorizontalLengthSquared <= r.LengthSquared);
|
|
}
|
|
|
|
public static bool ContainsTemporaryBlocker(this World world, CPos cell, Actor ignoreActor = null)
|
|
{
|
|
if (!world.RulesContainTemporaryBlocker)
|
|
return false;
|
|
|
|
var temporaryBlockers = world.ActorMap.GetActorsAt(cell);
|
|
foreach (var temporaryBlocker in temporaryBlockers)
|
|
{
|
|
if (temporaryBlocker == ignoreActor)
|
|
continue;
|
|
|
|
var temporaryBlockerTraits = temporaryBlocker.TraitsImplementing<ITemporaryBlocker>();
|
|
foreach (var temporaryBlockerTrait in temporaryBlockerTraits)
|
|
if (temporaryBlockerTrait.IsBlocking(temporaryBlocker, cell))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public static void DoTimed<T>(this IEnumerable<T> e, Action<T> a, string text)
|
|
{
|
|
// PERF: This is a hot path and must run with minimal added overhead, so we enumerate manually
|
|
// to allow us to call PerfTickLogger only once per iteration in the normal case.
|
|
var perfLogger = new PerfTickLogger();
|
|
using (var enumerator = e.GetEnumerator())
|
|
{
|
|
perfLogger.Start();
|
|
while (enumerator.MoveNext())
|
|
{
|
|
a(enumerator.Current);
|
|
perfLogger.LogTickAndRestartTimer(text, enumerator.Current);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|