Files
tbd-station-14/Content.Server/Damage/Components/DamageOnHighSpeedImpactComponent.cs
2021-06-09 22:19:39 +02:00

71 lines
2.6 KiB
C#

using System;
using Content.Server.Stunnable.Components;
using Content.Shared.Audio;
using Content.Shared.Damage;
using Content.Shared.Damage.Components;
using Robust.Shared.Audio;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Physics.Collision;
using Robust.Shared.Physics.Dynamics;
using Robust.Shared.Player;
using Robust.Shared.Random;
using Robust.Shared.Serialization.Manager.Attributes;
using Robust.Shared.Timing;
namespace Content.Server.Damage.Components
{
[RegisterComponent]
public class DamageOnHighSpeedImpactComponent : Component, IStartCollide
{
[Dependency] private readonly IRobustRandom _robustRandom = default!;
[Dependency] private readonly IGameTiming _gameTiming = default!;
public override string Name => "DamageOnHighSpeedImpact";
[DataField("damage")]
public DamageType Damage { get; set; } = DamageType.Blunt;
[DataField("minimumSpeed")]
public float MinimumSpeed { get; set; } = 20f;
[DataField("baseDamage")]
public int BaseDamage { get; set; } = 5;
[DataField("factor")]
public float Factor { get; set; } = 1f;
[DataField("soundHit")]
public string SoundHit { get; set; } = "";
[DataField("stunChance")]
public float StunChance { get; set; } = 0.25f;
[DataField("stunMinimumDamage")]
public int StunMinimumDamage { get; set; } = 10;
[DataField("stunSeconds")]
public float StunSeconds { get; set; } = 1f;
[DataField("damageCooldown")]
public float DamageCooldown { get; set; } = 2f;
private TimeSpan _lastHit = TimeSpan.Zero;
void IStartCollide.CollideWith(Fixture ourFixture, Fixture otherFixture, in Manifold manifold)
{
if (!Owner.TryGetComponent(out IDamageableComponent? damageable)) return;
var speed = ourFixture.Body.LinearVelocity.Length;
if (speed < MinimumSpeed) return;
if (!string.IsNullOrEmpty(SoundHit))
SoundSystem.Play(Filter.Pvs(otherFixture.Body.Owner), SoundHit, otherFixture.Body.Owner, AudioHelpers.WithVariation(0.125f).WithVolume(-0.125f));
if ((_gameTiming.CurTime - _lastHit).TotalSeconds < DamageCooldown)
return;
_lastHit = _gameTiming.CurTime;
var damage = (int) (BaseDamage * (speed / MinimumSpeed) * Factor);
if (Owner.TryGetComponent(out StunnableComponent? stun) && _robustRandom.Prob(StunChance))
stun.Stun(StunSeconds);
damageable.ChangeDamage(Damage, damage, false, otherFixture.Body.Owner);
}
}
}