Files
tbd-station-14/Content.Server/Projectiles/ProjectileSystem.cs
2023-05-15 15:21:05 +10:00

88 lines
3.4 KiB
C#

using Content.Server.Administration.Logs;
using Content.Server.Weapons.Ranged.Systems;
using Content.Shared.Camera;
using Content.Shared.Damage;
using Content.Shared.Database;
using Content.Shared.FixedPoint;
using Content.Shared.Projectiles;
using Content.Shared.Weapons.Melee;
using JetBrains.Annotations;
using Robust.Server.GameObjects;
using Robust.Shared.GameStates;
using Robust.Shared.Player;
using Robust.Shared.Physics.Events;
namespace Content.Server.Projectiles;
public sealed class ProjectileSystem : SharedProjectileSystem
{
[Dependency] private readonly IAdminLogManager _adminLogger = default!;
[Dependency] private readonly DamageableSystem _damageableSystem = default!;
[Dependency] private readonly GunSystem _guns = default!;
[Dependency] private readonly SharedCameraRecoilSystem _sharedCameraRecoil = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<ProjectileComponent, StartCollideEvent>(OnStartCollide);
}
private void OnStartCollide(EntityUid uid, ProjectileComponent component, ref StartCollideEvent args)
{
// This is so entities that shouldn't get a collision are ignored.
if (args.OurFixture.ID != ProjectileFixture || !args.OtherFixture.Hard || component.DamagedEntity)
return;
var otherEntity = args.OtherEntity;
// it's here so this check is only done once before possible hit
var attemptEv = new ProjectileReflectAttemptEvent(uid, component, false);
RaiseLocalEvent(otherEntity, ref attemptEv);
if (attemptEv.Cancelled)
{
SetShooter(component, otherEntity);
return;
}
var otherName = ToPrettyString(otherEntity);
var direction = args.OurBody.LinearVelocity.Normalized;
var modifiedDamage = _damageableSystem.TryChangeDamage(otherEntity, component.Damage, component.IgnoreResistances, origin: component.Shooter);
var deleted = Deleted(otherEntity);
if (modifiedDamage is not null && EntityManager.EntityExists(component.Shooter))
{
if (modifiedDamage.Total > FixedPoint2.Zero && !deleted)
{
RaiseNetworkEvent(new DamageEffectEvent(Color.Red, new List<EntityUid> {otherEntity}), Filter.Pvs(otherEntity, entityManager: EntityManager));
}
_adminLogger.Add(LogType.BulletHit,
HasComp<ActorComponent>(otherEntity) ? LogImpact.Extreme : LogImpact.High,
$"Projectile {ToPrettyString(uid):projectile} shot by {ToPrettyString(component.Shooter):user} hit {otherName:target} and dealt {modifiedDamage.Total:damage} damage");
}
if (!deleted)
{
_guns.PlayImpactSound(otherEntity, modifiedDamage, component.SoundHit, component.ForceSound);
_sharedCameraRecoil.KickCamera(otherEntity, direction);
}
var ev = new ProjectileCollideEvent(uid, false);
RaiseLocalEvent(args.OtherEntity, ref ev);
if (!ev.Cancelled)
{
component.DamagedEntity = true;
if (component.DeleteOnCollide)
{
QueueDel(uid);
}
if (component.ImpactEffect != null && TryComp<TransformComponent>(uid, out var xform))
{
RaiseNetworkEvent(new ImpactEffectEvent(component.ImpactEffect, xform.Coordinates), Filter.Pvs(xform.Coordinates, entityMan: EntityManager));
}
}
}
}