131 lines
4.4 KiB
C#
131 lines
4.4 KiB
C#
using Content.Shared.Mind;
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using Content.Shared.Objectives;
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using Content.Shared.Objectives.Components;
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using Robust.Shared.Utility;
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namespace Content.Shared.Objectives.Systems;
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/// <summary>
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/// Provides API for creating and interacting with objectives.
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/// </summary>
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public abstract class SharedObjectivesSystem : EntitySystem
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{
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[Dependency] private readonly SharedMindSystem _mind = default!;
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private EntityQuery<MetaDataComponent> _metaQuery;
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public override void Initialize()
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{
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base.Initialize();
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_metaQuery = GetEntityQuery<MetaDataComponent>();
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}
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/// <summary>
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/// Checks requirements and duplicate objectives to see if an objective can be assigned.
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/// </summary>
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public bool CanBeAssigned(EntityUid uid, EntityUid mindId, MindComponent mind, ObjectiveComponent? comp = null)
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{
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if (!Resolve(uid, ref comp))
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return false;
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var ev = new RequirementCheckEvent(mindId, mind);
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RaiseLocalEvent(uid, ref ev);
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if (ev.Cancelled)
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return false;
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// only check for duplicate prototypes if it's unique
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if (comp.Unique)
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{
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var proto = _metaQuery.GetComponent(uid).EntityPrototype?.ID;
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foreach (var objective in mind.AllObjectives)
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{
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if (_metaQuery.GetComponent(objective).EntityPrototype?.ID == proto)
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// Spawns and assigns an objective for a mind.
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/// The objective is not added to the mind's objectives, mind system does that in TryAddObjective.
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/// If the objective could not be assigned the objective is deleted and null is returned.
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/// </summary>
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public EntityUid? TryCreateObjective(EntityUid mindId, MindComponent mind, string proto)
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{
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var uid = Spawn(proto);
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if (!TryComp<ObjectiveComponent>(uid, out var comp))
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{
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Del(uid);
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Log.Error($"Invalid objective prototype {proto}, missing ObjectiveComponent");
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return null;
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}
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Log.Debug($"Created objective {proto} ({uid})");
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if (!CanBeAssigned(uid, mindId, mind, comp))
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{
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Del(uid);
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Log.Warning($"Objective {uid} did not match the requirements for {_mind.MindOwnerLoggingString(mind)}, deleted it");
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return null;
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}
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var ev = new ObjectiveAssignedEvent(mindId, mind);
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RaiseLocalEvent(uid, ref ev);
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if (ev.Cancelled)
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{
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Del(uid);
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Log.Warning($"Could not assign objective {uid}, deleted it");
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return null;
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}
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// let the title description and icon be set by systems
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var afterEv = new ObjectiveAfterAssignEvent(mindId, mind, comp, MetaData(uid));
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RaiseLocalEvent(uid, ref afterEv);
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return uid;
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}
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/// <summary>
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/// Get the title, description, icon and progress of an objective using <see cref="ObjectiveGetInfoEvent"/>.
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/// If any of them are null it is logged and null is returned.
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/// </summary>
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/// <param name="uid"/>ID of the condition entity</param>
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/// <param name="mindId"/>ID of the player's mind entity</param>
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/// <param name="mind"/>Mind component of the player's mind</param>
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public ObjectiveInfo? GetInfo(EntityUid uid, EntityUid mindId, MindComponent? mind = null)
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{
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if (!Resolve(mindId, ref mind))
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return null;
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var ev = new ObjectiveGetProgressEvent(mindId, mind);
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RaiseLocalEvent(uid, ref ev);
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var comp = Comp<ObjectiveComponent>(uid);
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var meta = MetaData(uid);
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var title = meta.EntityName;
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var description = meta.EntityDescription;
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if (comp.Icon == null || ev.Progress == null)
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{
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Log.Error($"An objective {ToPrettyString(uid):objective} of {_mind.MindOwnerLoggingString(mind)} is missing icon or progress ({ev.Progress})");
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return null;
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}
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return new ObjectiveInfo(title, description, comp.Icon, ev.Progress.Value);
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}
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/// <summary>
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/// Sets the objective's icon to the one specified.
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/// Intended for <see cref="ObjectiveAfterAssignEvent"/> handlers to set an icon.
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/// </summary>
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public void SetIcon(EntityUid uid, SpriteSpecifier icon, ObjectiveComponent? comp = null)
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{
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if (!Resolve(uid, ref comp))
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return;
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comp.Icon = icon;
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}
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}
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