Files
tbd-station-14/Content.Server/Projectiles/ProjectileSystem.cs
2021-12-05 18:09:01 +01:00

91 lines
3.9 KiB
C#

using Content.Server.Administration.Logs;
using Content.Server.Camera;
using Content.Server.Projectiles.Components;
using Content.Shared.Body.Components;
using Content.Shared.Damage;
using Content.Shared.Database;
using JetBrains.Annotations;
using Robust.Shared.Audio;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Physics.Dynamics;
using Robust.Shared.Player;
namespace Content.Server.Projectiles
{
[UsedImplicitly]
internal sealed class ProjectileSystem : EntitySystem
{
[Dependency] private readonly DamageableSystem _damageableSystem = default!;
[Dependency] private readonly AdminLogSystem _adminLogSystem = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<ProjectileComponent, StartCollideEvent>(HandleCollide);
}
private void HandleCollide(EntityUid uid, ProjectileComponent component, StartCollideEvent args)
{
// This is so entities that shouldn't get a collision are ignored.
if (!args.OtherFixture.Hard || component.DamagedEntity)
{
return;
}
var otherEntity = args.OtherFixture.Body.Owner;
var coordinates = IoCManager.Resolve<IEntityManager>().GetComponent<TransformComponent>(args.OtherFixture.Body.Owner).Coordinates;
var playerFilter = Filter.Pvs(coordinates);
if (!((!IoCManager.Resolve<IEntityManager>().EntityExists(otherEntity) ? EntityLifeStage.Deleted : IoCManager.Resolve<IEntityManager>().GetComponent<MetaDataComponent>(otherEntity).EntityLifeStage) >= EntityLifeStage.Deleted) && component.SoundHitSpecies != null &&
IoCManager.Resolve<IEntityManager>().HasComponent<SharedBodyComponent>(otherEntity))
{
SoundSystem.Play(playerFilter, component.SoundHitSpecies.GetSound(), coordinates);
}
else
{
var soundHit = component.SoundHit?.GetSound();
if (!string.IsNullOrEmpty(soundHit))
SoundSystem.Play(playerFilter, soundHit, coordinates);
}
if (!((!IoCManager.Resolve<IEntityManager>().EntityExists(otherEntity) ? EntityLifeStage.Deleted : IoCManager.Resolve<IEntityManager>().GetComponent<MetaDataComponent>(otherEntity).EntityLifeStage) >= EntityLifeStage.Deleted))
{
var dmg = _damageableSystem.TryChangeDamage(otherEntity, component.Damage);
component.DamagedEntity = true;
if (dmg is not null && EntityManager.EntityExists(component.Shooter)
_adminLogSystem.Add(LogType.BulletHit, LogImpact.Low,
$"Projectile {component.Owner} shot by {shooter} hit {otherEntity} and dealt {dmg.Total} damage");
}
// Damaging it can delete it
if (!((!IoCManager.Resolve<IEntityManager>().EntityExists(otherEntity) ? EntityLifeStage.Deleted : IoCManager.Resolve<IEntityManager>().GetComponent<MetaDataComponent>(otherEntity).EntityLifeStage) >= EntityLifeStage.Deleted) && IoCManager.Resolve<IEntityManager>().TryGetComponent(otherEntity, out CameraRecoilComponent? recoilComponent))
{
var direction = args.OurFixture.Body.LinearVelocity.Normalized;
recoilComponent.Kick(direction);
}
if (component.DeleteOnCollide)
EntityManager.QueueDeleteEntity(uid);
}
public override void Update(float frameTime)
{
base.Update(frameTime);
foreach (var component in EntityManager.EntityQuery<ProjectileComponent>())
{
component.TimeLeft -= frameTime;
if (component.TimeLeft <= 0)
{
IoCManager.Resolve<IEntityManager>().DeleteEntity(component.Owner);
}
}
}
}
}