104 lines
3.1 KiB
C#
104 lines
3.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Collections.Generic;
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using System.Linq;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Spawn new actors when sold.")]
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public class SpawnActorsOnSellInfo : ConditionalTraitInfo
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{
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public readonly int ValuePercent = 40;
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public readonly int MinHpPercent = 30;
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[ActorReference]
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[FieldLoader.Require]
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[Desc("Actor types to spawn on sell. Be sure to use lowercase.")]
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public readonly string[] ActorTypes = null;
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[Desc("Spawns actors only if the selling player's faction is in this list. " +
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"Leave empty to allow all factions by default.")]
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public readonly HashSet<string> Factions = new HashSet<string>();
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public override object Create(ActorInitializer init) { return new SpawnActorsOnSell(init.Self, this); }
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}
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public class SpawnActorsOnSell : ConditionalTrait<SpawnActorsOnSellInfo>, INotifySold
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{
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readonly bool correctFaction;
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public SpawnActorsOnSell(Actor self, SpawnActorsOnSellInfo info)
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: base(info)
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{
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var factionsList = info.Factions;
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correctFaction = factionsList.Count == 0 || factionsList.Contains(self.Owner.Faction.InternalName);
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}
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void INotifySold.Selling(Actor self) { }
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void Emit(Actor self)
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{
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if (IsTraitDisabled || !correctFaction)
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return;
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var buildingInfo = self.Info.TraitInfoOrDefault<BuildingInfo>();
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if (buildingInfo == null)
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return;
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var csv = self.Info.TraitInfoOrDefault<CustomSellValueInfo>();
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var valued = self.Info.TraitInfoOrDefault<ValuedInfo>();
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var cost = csv?.Value ?? valued?.Cost ?? 0;
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var health = self.TraitOrDefault<IHealth>();
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var dudesValue = Info.ValuePercent * cost / 100;
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if (health != null)
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{
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// Cast to long to avoid overflow when multiplying by the health
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if (100L * health.HP >= Info.MinHpPercent * (long)health.MaxHP)
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dudesValue = (int)((long)health.HP * dudesValue / health.MaxHP);
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else
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dudesValue = 0;
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}
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var eligibleLocations = buildingInfo.Tiles(self.Location).ToList();
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var actorTypes = Info.ActorTypes.Select(a =>
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{
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var av = self.World.Map.Rules.Actors[a].TraitInfoOrDefault<ValuedInfo>();
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return new
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{
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Name = a,
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Cost = av?.Cost ?? 0
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};
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}).ToList();
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while (eligibleLocations.Count > 0 && actorTypes.Any(a => a.Cost <= dudesValue))
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{
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var at = actorTypes.Where(a => a.Cost <= dudesValue).Random(self.World.SharedRandom);
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var loc = eligibleLocations.Random(self.World.SharedRandom);
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eligibleLocations.Remove(loc);
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dudesValue -= at.Cost;
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self.World.AddFrameEndTask(w => w.CreateActor(at.Name, new TypeDictionary
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{
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new LocationInit(loc),
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new OwnerInit(self.Owner),
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}));
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}
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}
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void INotifySold.Sold(Actor self) { Emit(self); }
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}
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}
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