92 lines
3.3 KiB
C#
92 lines
3.3 KiB
C#
using Content.Server.Anomaly.Components;
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using Content.Server.Mind.Components;
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using Content.Server.Weapons.Ranged.Systems;
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using Content.Shared.Anomaly.Components;
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using Content.Shared.Projectiles;
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using Robust.Server.GameObjects;
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using Robust.Shared.Map;
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using Robust.Shared.Random;
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namespace Content.Server.Anomaly.Effects;
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/// <summary>
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/// This handles <see cref="ProjectileAnomalyComponent"/> and the events from <seealso cref="AnomalySystem"/>
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/// </summary>
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public sealed class ProjectileAnomalySystem : EntitySystem
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{
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[Dependency] private readonly TransformSystem _xform = default!;
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[Dependency] private readonly EntityLookupSystem _lookup = default!;
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[Dependency] private readonly IRobustRandom _random = default!;
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[Dependency] private readonly IMapManager _mapManager = default!;
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[Dependency] private readonly GunSystem _gunSystem = default!;
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public override void Initialize()
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{
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SubscribeLocalEvent<ProjectileAnomalyComponent, AnomalyPulseEvent>(OnPulse);
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SubscribeLocalEvent<ProjectileAnomalyComponent, AnomalySupercriticalEvent>(OnSupercritical);
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}
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private void OnPulse(EntityUid uid, ProjectileAnomalyComponent component, ref AnomalyPulseEvent args)
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{
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ShootProjectilesAtEntities(uid, component, args.Severity);
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}
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private void OnSupercritical(EntityUid uid, ProjectileAnomalyComponent component, ref AnomalySupercriticalEvent args)
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{
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ShootProjectilesAtEntities(uid, component, 1.0f);
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}
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private void ShootProjectilesAtEntities(EntityUid uid, ProjectileAnomalyComponent component, float severity)
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{
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var xform = Transform(uid);
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var projectilesShot = 0;
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var range = component.ProjectileRange * severity;
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var mobQuery = GetEntityQuery<MindComponent>();
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foreach (var entity in _lookup.GetEntitiesInRange(uid, range, LookupFlags.Dynamic))
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{
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if (projectilesShot >= component.MaxProjectiles * severity)
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return;
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// Sentient entities are more likely to be shot at than non sentient
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if (!mobQuery.HasComponent(entity) && !_random.Prob(component.TargetNonSentientChance))
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continue;
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var targetCoords = Transform(entity).Coordinates.Offset(_random.NextVector2(-1, 1));
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ShootProjectile(
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uid, component,
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xform.Coordinates,
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targetCoords,
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severity
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);
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projectilesShot++;
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}
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}
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private void ShootProjectile(
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EntityUid uid,
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ProjectileAnomalyComponent component,
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EntityCoordinates coords,
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EntityCoordinates targetCoords,
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float severity
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)
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{
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var mapPos = coords.ToMap(EntityManager, _xform);
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var spawnCoords = _mapManager.TryFindGridAt(mapPos, out var gridUid, out _)
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? coords.WithEntityId(gridUid, EntityManager)
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: new(_mapManager.GetMapEntityId(mapPos.MapId), mapPos.Position);
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var ent = Spawn(component.ProjectilePrototype, spawnCoords);
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var direction = targetCoords.ToMapPos(EntityManager, _xform) - mapPos.Position;
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if (!TryComp<ProjectileComponent>(ent, out var comp))
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return;
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comp.Damage *= severity;
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_gunSystem.ShootProjectile(ent, direction, Vector2.Zero, uid, uid, component.MaxProjectileSpeed * severity);
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}
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}
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