85 lines
3.0 KiB
C#
85 lines
3.0 KiB
C#
using Content.Server.Explosion.EntitySystems;
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using Content.Server.Mind;
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using Content.Server.Objectives.Components;
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using Content.Server.Popups;
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using Content.Server.Roles;
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using Content.Server.Sticky.Events;
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using Content.Shared.Interaction;
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using Content.Shared.Ninja.Components;
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using Robust.Shared.GameObjects;
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namespace Content.Server.Ninja.Systems;
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/// <summary>
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/// Prevents planting a spider charge outside of its location and handles greentext.
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/// </summary>
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public sealed class SpiderChargeSystem : EntitySystem
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{
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[Dependency] private readonly MindSystem _mind = default!;
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[Dependency] private readonly PopupSystem _popup = default!;
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[Dependency] private readonly SharedTransformSystem _transform = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<SpiderChargeComponent, AttemptEntityStickEvent>(OnAttemptStick);
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SubscribeLocalEvent<SpiderChargeComponent, EntityStuckEvent>(OnStuck);
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SubscribeLocalEvent<SpiderChargeComponent, TriggerEvent>(OnExplode);
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}
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/// <summary>
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/// Require that the planter is a ninja and the charge is near the target warp point.
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/// </summary>
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private void OnAttemptStick(EntityUid uid, SpiderChargeComponent comp, AttemptEntityStickEvent args)
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{
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if (args.Cancelled)
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return;
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var user = args.User;
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if (!_mind.TryGetRole<NinjaRoleComponent>(user, out var role))
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{
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_popup.PopupEntity(Loc.GetString("spider-charge-not-ninja"), user, user);
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args.Cancelled = true;
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return;
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}
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// allow planting anywhere if there is no target, which should never happen
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if (role.SpiderChargeTarget == null)
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return;
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// assumes warp point still exists
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var targetXform = Transform(role.SpiderChargeTarget.Value);
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var locXform = Transform(args.Target);
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if (locXform.MapID != targetXform.MapID ||
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(_transform.GetWorldPosition(locXform) - _transform.GetWorldPosition(targetXform)).LengthSquared() > comp.Range * comp.Range)
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{
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_popup.PopupEntity(Loc.GetString("spider-charge-too-far"), user, user);
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args.Cancelled = true;
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return;
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}
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}
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/// <summary>
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/// Allows greentext to occur after exploding.
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/// </summary>
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private void OnStuck(EntityUid uid, SpiderChargeComponent comp, EntityStuckEvent args)
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{
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comp.Planter = args.User;
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}
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/// <summary>
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/// Handles greentext after exploding.
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/// Assumes it didn't move and the target was destroyed so be nice.
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/// </summary>
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private void OnExplode(EntityUid uid, SpiderChargeComponent comp, TriggerEvent args)
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{
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if (comp.Planter == null || !_mind.TryGetObjectiveComp<SpiderChargeConditionComponent>(comp.Planter.Value, out var obj))
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return;
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// assumes the target was destroyed, that the charge wasn't moved somehow
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obj.SpiderChargeDetonated = true;
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}
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}
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