9cf6ebb986
Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[TraitLocation(SystemActors.World)]
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[Desc("Allows harvesters to coordinate their operations. Attach this to the world actor.")]
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public sealed class ResourceClaimLayerInfo : TraitInfo<ResourceClaimLayer> { }
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public sealed class ResourceClaimLayer
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{
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readonly Dictionary<CPos, List<Actor>> claimByCell = new(32);
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readonly Dictionary<Actor, CPos> claimByActor = new(32);
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/// <summary>
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/// Attempt to reserve the resource in a cell for the given actor.
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/// </summary>
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public bool TryClaimCell(Actor claimer, CPos cell)
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{
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if (claimByCell.TryGetValue(cell, out var claimers))
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{
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// Clean up any stale claims
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claimers.RemoveAll(a => a.IsDead);
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// Prevent harvesters from the player or their allies fighting over the same cell
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if (claimers.Any(c => c != claimer && claimer.Owner.IsAlliedWith(c.Owner)))
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return false;
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}
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// Remove the actor's last claim, if it has one
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if (claimByActor.TryGetValue(claimer, out var lastClaim) &&
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claimByCell.TryGetValue(lastClaim, out var lastClaimers))
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lastClaimers.Remove(claimer);
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if (claimers == null)
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claimByCell.Add(cell, claimers = []);
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claimByActor[claimer] = cell;
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return true;
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}
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/// <summary>
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/// Returns false if the cell is already reserved by an allied actor.
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/// </summary>
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public bool CanClaimCell(Actor claimer, CPos cell)
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{
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return !claimByCell.TryGetValue(cell, out var claimers) ||
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!claimers.Any(c => c != claimer && !c.IsDead && claimer.Owner.IsAlliedWith(c.Owner));
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}
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/// <summary>
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/// Release the last resource claim made by this actor.
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/// </summary>
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public void RemoveClaim(Actor claimer)
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{
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if (claimByActor.TryGetValue(claimer, out var lastClaim) &&
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claimByCell.TryGetValue(lastClaim, out var lastClaimers))
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lastClaimers.Remove(claimer);
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claimByActor.Remove(claimer);
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}
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}
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}
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