Files
tbd-station-14/Content.Server/Pointing/EntitySystems/RoguePointingSystem.cs
Javier Guardia Fernández f5b11d6af8 Remove IMobStateComponent (#5220)
2021-11-08 15:11:58 +01:00

117 lines
4.2 KiB
C#

using System.Linq;
using Content.Server.Explosion;
using Content.Server.Pointing.Components;
using Content.Shared.MobState.Components;
using Content.Shared.Pointing.Components;
using JetBrains.Annotations;
using Robust.Server.GameObjects;
using Robust.Server.Player;
using Robust.Shared.Audio;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Maths;
using Robust.Shared.Player;
using Robust.Shared.Random;
using DrawDepth = Content.Shared.DrawDepth.DrawDepth;
namespace Content.Server.Pointing.EntitySystems
{
[UsedImplicitly]
internal sealed class RoguePointingSystem : EntitySystem
{
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IRobustRandom _random = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<RoguePointingArrowComponent, ComponentStartup>(OnStartup);
}
private void OnStartup(EntityUid uid, RoguePointingArrowComponent component, ComponentStartup args)
{
if (EntityManager.TryGetComponent(uid, out SpriteComponent? sprite))
{
sprite.DrawDepth = (int) DrawDepth.Overlays;
}
}
private IEntity? RandomNearbyPlayer(EntityUid uid, RoguePointingArrowComponent? component = null, TransformComponent? transform = null)
{
if (!Resolve(uid, ref component, ref transform))
return null;
var players = _playerManager
.GetPlayersInRange(transform.Coordinates, 15)
.Where(player => player.AttachedEntity != null && player.AttachedEntity.TryGetComponent(out MobStateComponent? mobStateComponent) && !mobStateComponent.IsDead())
.ToArray();
if (players.Length == 0)
{
return null;
}
return _random.Pick(players).AttachedEntity;
}
private void UpdateAppearance(EntityUid uid, RoguePointingArrowComponent? component = null, TransformComponent? transform = null, AppearanceComponent? appearance = null)
{
if (!Resolve(uid, ref component, ref transform, ref appearance) || component.Chasing == null)
return;
appearance.SetData(RoguePointingArrowVisuals.Rotation, transform.LocalRotation.Degrees);
}
public override void Update(float frameTime)
{
foreach (var (component, transform) in EntityManager.EntityQuery<RoguePointingArrowComponent, TransformComponent>())
{
var uid = component.Owner.Uid;
component.Chasing ??= RandomNearbyPlayer(uid, component, transform);
if (component.Chasing == null)
{
EntityManager.QueueDeleteEntity(uid);
return;
}
component.TurningDelay -= frameTime;
if (component.TurningDelay > 0)
{
var difference = component.Chasing.Transform.WorldPosition - transform.WorldPosition;
var angle = difference.ToAngle();
var adjusted = angle.Degrees + 90;
var newAngle = Angle.FromDegrees(adjusted);
transform.LocalRotation = newAngle;
UpdateAppearance(uid, component, transform);
return;
}
transform.WorldRotation += Angle.FromDegrees(20);
UpdateAppearance(uid, component, transform);
var toChased = component.Chasing.Transform.WorldPosition - transform.WorldPosition;
transform.WorldPosition += toChased * frameTime * component.ChasingSpeed;
component.ChasingTime -= frameTime;
if (component.ChasingTime > 0)
{
return;
}
component.Owner.SpawnExplosion(0, 2, 1, 1);
SoundSystem.Play(Filter.Pvs(uid, entityManager: EntityManager), component.ExplosionSound.GetSound(), uid);
EntityManager.QueueDeleteEntity(uid);
}
}
}
}