Delta-v/Content.Server/_DV/CosmicCult/CosmicGlyphSystem.cs

110 lines
4.3 KiB
C#

using Content.Server.Popups;
using Content.Shared._DV.CosmicCult.Components.Examine;
using Content.Shared._DV.CosmicCult.Components;
using Content.Shared._DV.CosmicCult;
using Content.Shared.Damage;
using Content.Shared.Examine;
using Content.Shared.Humanoid;
using Content.Shared.Interaction;
using Content.Shared.Mobs.Systems;
using Robust.Server.Audio;
using Robust.Shared.Audio;
using Robust.Shared.Containers;
namespace Content.Server._DV.CosmicCult;
public sealed class CosmicGlyphSystem : EntitySystem
{
[Dependency] private readonly DamageableSystem _damageable = default!;
[Dependency] private readonly EntityLookupSystem _lookup = default!;
[Dependency] private readonly PopupSystem _popup = default!;
[Dependency] private readonly MobStateSystem _mobState = default!;
[Dependency] private readonly AudioSystem _audio = default!;
[Dependency] private readonly SharedContainerSystem _container = default!;
[Dependency] private readonly SharedCosmicCultSystem _cosmicCult = default!;
private readonly HashSet<Entity<CosmicCultComponent>> _cultists = [];
private readonly HashSet<Entity<HumanoidAppearanceComponent>> _humanoids = [];
public override void Initialize()
{
SubscribeLocalEvent<CosmicGlyphComponent, ExaminedEvent>(OnExamine);
SubscribeLocalEvent<CosmicGlyphComponent, ActivateInWorldEvent>(OnUseGlyph);
}
#region Base trigger
private void OnExamine(Entity<CosmicGlyphComponent> uid, ref ExaminedEvent args)
{
if (_cosmicCult.EntityIsCultist(args.Examiner))
{
args.PushMarkup(Loc.GetString("cosmic-examine-glyph-cultcount", ("COUNT", uid.Comp.RequiredCultists)));
}
else
{
args.PushMarkup(Loc.GetString("cosmic-examine-text-glyphs"));
}
}
private void OnUseGlyph(Entity<CosmicGlyphComponent> uid, ref ActivateInWorldEvent args)
{
var tgtpos = Transform(uid).Coordinates;
var userCoords = Transform(args.User).Coordinates;
if (args.Handled || !userCoords.TryDistance(EntityManager, tgtpos, out var distance) || distance > uid.Comp.ActivationRange || !_cosmicCult.EntityIsCultist(args.User))
return;
var cultists = GatherCultists(uid, uid.Comp.ActivationRange);
if (cultists.Count < uid.Comp.RequiredCultists)
{
_popup.PopupEntity(Loc.GetString("cult-glyph-not-enough-cultists"), uid, args.User);
return;
}
args.Handled = true;
var tryInvokeEv = new TryActivateGlyphEvent(args.User, cultists);
RaiseLocalEvent(uid, tryInvokeEv);
if (tryInvokeEv.Cancelled)
return;
var damage = uid.Comp.ActivationDamage / cultists.Count;
foreach (var cultist in cultists)
{
_damageable.TryChangeDamage(cultist, damage, true);
}
_audio.PlayPvs(uid.Comp.GylphSFX, tgtpos, AudioParams.Default.WithVolume(+1f));
Spawn(uid.Comp.GylphVFX, tgtpos);
QueueDel(uid);
}
#endregion
#region Housekeeping
/// <summary>
/// Gets all cultists/constructs near a glyph.
/// </summary>
public HashSet<Entity<CosmicCultComponent>> GatherCultists(EntityUid uid, float range)
{
_cultists.Clear();
_lookup.GetEntitiesInRange<CosmicCultComponent>(Transform(uid).Coordinates, range, _cultists);
_cultists.RemoveWhere(entity => !_mobState.IsAlive(entity) || _container.IsEntityInContainer(entity));
return _cultists;
}
/// <summary>
/// Gets all the humanoids near a glyph.
/// </summary>
/// <param name="uid">The glyph.</param>
/// <param name="range">Radius for a lookup.</param>
/// <param name="exclude">Filter to exclude from return.</param>
public HashSet<Entity<HumanoidAppearanceComponent>> GetTargetsNearGlyph(EntityUid uid, float range, Predicate<Entity<HumanoidAppearanceComponent>>? exclude = null)
{
_humanoids.Clear();
_lookup.GetEntitiesInRange<HumanoidAppearanceComponent>(Transform(uid).Coordinates, range, _humanoids);
if (exclude != null)
_humanoids.RemoveWhere(exclude);
_humanoids.RemoveWhere(target => HasComp<CosmicBlankComponent>(target) || HasComp<CosmicLapseComponent>(target)); // We never want these.
return _humanoids;
}
#endregion
}