114 lines
2.9 KiB
C#
114 lines
2.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2016 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, 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.Common.Traits;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.D2k.Traits
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{
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[Desc("Controls the spawning of sandworms. Attach this to the world actor.")]
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class WormManagerInfo : ITraitInfo, Requires<MapCreepsInfo>
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{
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[Desc("Minimum number of worms")]
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public readonly int Minimum = 0;
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[Desc("Maximum number of worms")]
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public readonly int Maximum = 4;
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[Desc("Time (in ticks) between worm spawn.")]
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public readonly int SpawnInterval = 6000;
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[Desc("Name of the actor that will be spawned.")]
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public readonly string WormSignature = "sandworm";
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public readonly string WormSignNotification = "WormSign";
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public readonly string WormOwnerPlayer = "Creeps";
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public object Create(ActorInitializer init) { return new WormManager(init.Self, this); }
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}
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class WormManager : ITick, INotifyCreated
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{
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readonly WormManagerInfo info;
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readonly Lazy<Actor[]> spawnPointActors;
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bool enabled;
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int spawnCountdown;
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int wormsPresent;
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public WormManager(Actor self, WormManagerInfo info)
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{
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this.info = info;
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spawnPointActors = Exts.Lazy(() => self.World.ActorsHavingTrait<WormSpawner>().ToArray());
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}
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void INotifyCreated.Created(Actor self)
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{
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enabled = self.Trait<MapCreeps>().Enabled;
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}
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public void Tick(Actor self)
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{
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if (!enabled)
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return;
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if (!spawnPointActors.Value.Any())
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return;
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// Apparently someone doesn't want worms or the maximum number of worms has been reached
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if (info.Maximum < 1 || wormsPresent >= info.Maximum)
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return;
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if (--spawnCountdown > 0 && wormsPresent >= info.Minimum)
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return;
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spawnCountdown = info.SpawnInterval;
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var wormLocations = new List<WPos>();
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do
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{
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// Always spawn at least one worm, plus however many
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// more we need to reach the defined minimum count.
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wormLocations.Add(SpawnWorm(self));
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} while (wormsPresent < info.Minimum);
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}
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WPos SpawnWorm(Actor self)
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{
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var spawnPoint = GetRandomSpawnPoint(self);
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self.World.AddFrameEndTask(w => w.CreateActor(info.WormSignature, new TypeDictionary
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{
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new OwnerInit(w.Players.First(x => x.PlayerName == info.WormOwnerPlayer)),
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new LocationInit(spawnPoint.Location)
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}));
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wormsPresent++;
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return spawnPoint.CenterPosition;
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}
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Actor GetRandomSpawnPoint(Actor self)
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{
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return spawnPointActors.Value.Random(self.World.SharedRandom);
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}
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public void DecreaseWormCount()
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{
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wormsPresent--;
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}
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}
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}
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