Files
tbd-station-14/Content.Server/Weapon/Melee/ZombieTransfer/ZombieTransferSystem.cs
2022-05-13 15:35:13 +10:00

69 lines
2.8 KiB
C#

using System.Linq;
using Robust.Shared.Random;
using Content.Server.Body.Systems;
using Content.Server.Disease.Components;
using Content.Server.Disease.Zombie.Components;
using Content.Server.Drone.Components;
using Content.Server.Weapon.Melee;
using Content.Shared.Chemistry.Components;
using Content.Shared.Damage;
using Content.Shared.MobState.Components;
using Content.Server.Disease;
using Content.Server.Weapons.Melee.ZombieTransfer.Components;
using Content.Server.Body.Components;
namespace Content.Server.Weapons.Melee.ZombieTransfer
{
public sealed class ZombieTransferSystem : EntitySystem
{
[Dependency] private readonly DiseaseSystem _disease = default!;
[Dependency] private readonly BloodstreamSystem _bloodstream = default!;
[Dependency] private readonly IRobustRandom _robustRandom = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<ZombieTransferComponent, MeleeHitEvent>(OnMeleeHit);
}
private void OnMeleeHit(EntityUid uid, ZombieTransferComponent component, MeleeHitEvent args)
{
if (!EntityManager.TryGetComponent<DiseaseZombieComponent>(args.User, out var diseaseZombieComp))
return;
if (!args.HitEntities.Any())
return;
foreach (EntityUid entity in args.HitEntities)
{
if (args.User == entity)
continue;
if (!HasComp<MobStateComponent>(entity) || HasComp<DroneComponent>(entity))
continue;
if (_robustRandom.Prob(diseaseZombieComp.Probability) && HasComp<DiseaseCarrierComponent>(entity))
{
_disease.TryAddDisease(entity, "ZombieInfection");
}
EntityManager.EnsureComponent<MobStateComponent>(entity, out var mobState);
if ((mobState.IsDead() || mobState.IsCritical()) && !HasComp<DiseaseZombieComponent>(entity)) //dead entities are eautomatically infected. MAYBE: have activated infect ability?
{
EntityManager.AddComponent<DiseaseZombieComponent>(entity);
var dspec = new DamageSpecifier();
//these damages match the zombie claw
dspec.DamageDict.TryAdd("Slash", -12);
dspec.DamageDict.TryAdd("Piercing", -7);
args.BonusDamage += dspec;
}
else if (mobState.IsAlive()) //heals when zombies bite live entities
{
var healingSolution = new Solution();
healingSolution.AddReagent("Bicaridine", 1.00); //if OP, reduce/change chem
_bloodstream.TryAddToChemicals(args.User, healingSolution);
}
}
}
}
}