87 lines
2.1 KiB
C#
87 lines
2.1 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 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. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Support;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits
|
|
{
|
|
[Desc("Lets the actor spread resources around it in a circle.")]
|
|
class SeedsResourceInfo : ITraitInfo
|
|
{
|
|
public readonly int Interval = 75;
|
|
public readonly string ResourceType = "Ore";
|
|
public readonly int MaxRange = 100;
|
|
|
|
public object Create(ActorInitializer init) { return new SeedsResource(init.Self, this); }
|
|
}
|
|
|
|
class SeedsResource : ITick, ISeedableResource
|
|
{
|
|
readonly SeedsResourceInfo info;
|
|
|
|
readonly ResourceType resourceType;
|
|
readonly ResourceLayer resLayer;
|
|
|
|
public SeedsResource(Actor self, SeedsResourceInfo info)
|
|
{
|
|
this.info = info;
|
|
|
|
resourceType = self.World.WorldActor.TraitsImplementing<ResourceType>()
|
|
.FirstOrDefault(t => t.Info.Name == info.ResourceType);
|
|
|
|
if (resourceType == null)
|
|
throw new InvalidOperationException("No such resource type `{0}`".F(info.ResourceType));
|
|
|
|
resLayer = self.World.WorldActor.Trait<ResourceLayer>();
|
|
}
|
|
|
|
int ticks;
|
|
|
|
public void Tick(Actor self)
|
|
{
|
|
if (--ticks <= 0)
|
|
{
|
|
Seed(self);
|
|
ticks = info.Interval;
|
|
}
|
|
}
|
|
|
|
public void Seed(Actor self)
|
|
{
|
|
var cell = RandomWalk(self.Location, self.World.SharedRandom)
|
|
.Take(info.MaxRange)
|
|
.SkipWhile(p => resLayer.GetResource(p) == resourceType && resLayer.IsFull(p))
|
|
.Cast<CPos?>().FirstOrDefault();
|
|
|
|
if (cell != null && resLayer.CanSpawnResourceAt(resourceType, cell.Value))
|
|
resLayer.AddResource(resourceType, cell.Value, 1);
|
|
}
|
|
|
|
static IEnumerable<CPos> RandomWalk(CPos p, MersenneTwister r)
|
|
{
|
|
for (;;)
|
|
{
|
|
var dx = r.Next(-1, 2);
|
|
var dy = r.Next(-1, 2);
|
|
|
|
if (dx == 0 && dy == 0)
|
|
continue;
|
|
|
|
p += new CVec(dx, dy);
|
|
yield return p;
|
|
}
|
|
}
|
|
}
|
|
}
|