288 lines
10 KiB
C#
288 lines
10 KiB
C#
using System.Linq;
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using Content.Server.Actions.Events;
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using Content.Server.Body.Components;
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using Content.Server.Body.Systems;
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using Content.Server.Chemistry.Components;
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using Content.Server.Chemistry.EntitySystems;
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using Content.Server.CombatMode.Disarm;
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using Content.Server.Contests;
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using Content.Server.Examine;
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using Content.Server.Movement.Systems;
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using Content.Shared.Administration.Components;
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using Content.Shared.CombatMode;
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using Content.Shared.Damage;
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using Content.Shared.Database;
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using Content.Shared.FixedPoint;
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using Content.Shared.Hands.Components;
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using Content.Shared.IdentityManagement;
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using Content.Shared.Inventory;
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using Content.Shared.Popups;
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using Content.Shared.StatusEffect;
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using Content.Shared.Tag;
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using Content.Shared.Verbs;
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using Content.Shared.Weapons.Melee;
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using Content.Shared.Weapons.Melee.Events;
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using Robust.Server.Player;
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using Robust.Shared.Audio;
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using Robust.Shared.Map;
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using Robust.Shared.Player;
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using Robust.Shared.Players;
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using Robust.Shared.Random;
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using Robust.Shared.Utility;
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namespace Content.Server.Weapons.Melee;
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public sealed class MeleeWeaponSystem : SharedMeleeWeaponSystem
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{
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[Dependency] private readonly IRobustRandom _random = default!;
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[Dependency] private readonly BloodstreamSystem _bloodstream = default!;
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[Dependency] private readonly ContestsSystem _contests = default!;
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[Dependency] private readonly ExamineSystem _examine = default!;
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[Dependency] private readonly InventorySystem _inventory = default!;
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[Dependency] private readonly LagCompensationSystem _lag = default!;
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[Dependency] private readonly SolutionContainerSystem _solutions = default!;
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[Dependency] private readonly TagSystem _tag = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<MeleeChemicalInjectorComponent, MeleeHitEvent>(OnChemicalInjectorHit);
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SubscribeLocalEvent<MeleeWeaponComponent, GetVerbsEvent<ExamineVerb>>(OnMeleeExaminableVerb);
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}
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private void OnMeleeExaminableVerb(EntityUid uid, MeleeWeaponComponent component, GetVerbsEvent<ExamineVerb> args)
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{
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if (!args.CanInteract || !args.CanAccess || component.HideFromExamine)
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return;
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var getDamage = new MeleeHitEvent(new List<EntityUid>(), args.User, component.Damage);
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getDamage.IsHit = false;
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RaiseLocalEvent(uid, getDamage);
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var damageSpec = GetDamage(component);
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if (damageSpec == null)
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damageSpec = new DamageSpecifier();
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damageSpec += getDamage.BonusDamage;
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if (damageSpec.Total == FixedPoint2.Zero)
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return;
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var verb = new ExamineVerb()
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{
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Act = () =>
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{
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var markup = Damageable.GetDamageExamine(damageSpec, Loc.GetString("damage-melee"));
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_examine.SendExamineTooltip(args.User, uid, markup, false, false);
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},
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Text = Loc.GetString("damage-examinable-verb-text"),
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Message = Loc.GetString("damage-examinable-verb-message"),
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Category = VerbCategory.Examine,
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Icon = new SpriteSpecifier.Texture(new ("/Textures/Interface/VerbIcons/smite.svg.192dpi.png")),
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};
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args.Verbs.Add(verb);
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}
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private DamageSpecifier? GetDamage(MeleeWeaponComponent component)
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{
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return component.Damage.Total > FixedPoint2.Zero ? component.Damage : null;
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}
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protected override void Popup(string message, EntityUid? uid, EntityUid? user)
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{
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if (uid == null)
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return;
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if (user == null)
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PopupSystem.PopupEntity(message, uid.Value);
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else
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PopupSystem.PopupEntity(message, uid.Value, Filter.PvsExcept(user.Value, entityManager: EntityManager), true);
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}
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protected override bool DoDisarm(EntityUid user, DisarmAttackEvent ev, EntityUid meleeUid, MeleeWeaponComponent component, ICommonSession? session)
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{
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if (!base.DoDisarm(user, ev, meleeUid, component, session))
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return false;
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if (!TryComp<CombatModeComponent>(user, out var combatMode) ||
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combatMode.CanDisarm != true)
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{
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return false;
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}
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var target = ev.Target!.Value;
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if (!TryComp<HandsComponent>(ev.Target.Value, out var targetHandsComponent))
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{
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if (!TryComp<StatusEffectsComponent>(ev.Target!.Value, out var status) || !status.AllowedEffects.Contains("KnockedDown"))
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return false;
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}
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if (!InRange(user, ev.Target.Value, component.Range, session))
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{
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return false;
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}
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EntityUid? inTargetHand = null;
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if (targetHandsComponent?.ActiveHand is { IsEmpty: false })
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{
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inTargetHand = targetHandsComponent.ActiveHand.HeldEntity!.Value;
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}
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Interaction.DoContactInteraction(user, ev.Target);
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var attemptEvent = new DisarmAttemptEvent(target, user, inTargetHand);
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if (inTargetHand != null)
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{
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RaiseLocalEvent(inTargetHand.Value, attemptEvent);
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}
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RaiseLocalEvent(target, attemptEvent);
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if (attemptEvent.Cancelled)
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return false;
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var chance = CalculateDisarmChance(user, target, inTargetHand, combatMode);
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if (_random.Prob(chance))
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{
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// Don't play a sound as the swing is already predicted.
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// Also don't play popups because most disarms will miss.
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return false;
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}
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var filterOther = Filter.PvsExcept(user, entityManager: EntityManager);
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var msgPrefix = "disarm-action-";
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if (inTargetHand == null)
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msgPrefix = "disarm-action-shove-";
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var msgOther = Loc.GetString(
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msgPrefix + "popup-message-other-clients",
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("performerName", Identity.Entity(user, EntityManager)),
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("targetName", Identity.Entity(target, EntityManager)));
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var msgUser = Loc.GetString(msgPrefix + "popup-message-cursor", ("targetName", Identity.Entity(target, EntityManager)));
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PopupSystem.PopupEntity(msgOther, user, filterOther, true);
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PopupSystem.PopupEntity(msgUser, target, user);
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Audio.PlayPvs(combatMode.DisarmSuccessSound, user, AudioParams.Default.WithVariation(0.025f).WithVolume(5f));
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AdminLogger.Add(LogType.DisarmedAction, $"{ToPrettyString(user):user} used disarm on {ToPrettyString(target):target}");
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var eventArgs = new DisarmedEvent { Target = target, Source = user, PushProbability = 1 - chance };
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RaiseLocalEvent(target, eventArgs);
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RaiseNetworkEvent(new DamageEffectEvent(Color.Aqua, new List<EntityUid>() {target}));
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return true;
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}
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protected override bool InRange(EntityUid user, EntityUid target, float range, ICommonSession? session)
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{
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EntityCoordinates targetCoordinates;
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Angle targetLocalAngle;
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if (session is IPlayerSession pSession)
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{
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(targetCoordinates, targetLocalAngle) = _lag.GetCoordinatesAngle(target, pSession);
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}
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else
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{
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var xform = Transform(target);
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targetCoordinates = xform.Coordinates;
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targetLocalAngle = xform.LocalRotation;
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}
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return Interaction.InRangeUnobstructed(user, target, targetCoordinates, targetLocalAngle, range);
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}
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protected override void DoDamageEffect(List<EntityUid> targets, EntityUid? user, TransformComponent targetXform)
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{
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var filter = Filter.Pvs(targetXform.Coordinates, entityMan: EntityManager).RemoveWhereAttachedEntity(o => o == user);
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RaiseNetworkEvent(new DamageEffectEvent(Color.Red, targets), filter);
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}
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private float CalculateDisarmChance(EntityUid disarmer, EntityUid disarmed, EntityUid? inTargetHand, CombatModeComponent disarmerComp)
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{
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if (HasComp<DisarmProneComponent>(disarmer))
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return 1.0f;
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if (HasComp<DisarmProneComponent>(disarmed))
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return 0.0f;
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var contestResults = 1 - _contests.OverallStrengthContest(disarmer, disarmed);
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float chance = (disarmerComp.BaseDisarmFailChance + contestResults);
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if (inTargetHand != null && TryComp<DisarmMalusComponent>(inTargetHand, out var malus))
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{
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chance += malus.Malus;
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}
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return Math.Clamp(chance, 0f, 1f);
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}
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public override void DoLunge(EntityUid user, Angle angle, Vector2 localPos, string? animation, bool predicted = true)
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{
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Filter filter;
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if (predicted)
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{
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filter = Filter.PvsExcept(user, entityManager: EntityManager);
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}
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else
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{
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filter = Filter.Pvs(user, entityManager: EntityManager);
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}
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RaiseNetworkEvent(new MeleeLungeEvent(user, angle, localPos, animation), filter);
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}
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private void OnChemicalInjectorHit(EntityUid owner, MeleeChemicalInjectorComponent comp, MeleeHitEvent args)
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{
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if (!args.IsHit ||
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!args.HitEntities.Any() ||
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!_solutions.TryGetSolution(owner, comp.Solution, out var solutionContainer))
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{
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return;
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}
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var hitBloodstreams = new List<(EntityUid Entity, BloodstreamComponent Component)>();
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var bloodQuery = GetEntityQuery<BloodstreamComponent>();
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foreach (var entity in args.HitEntities)
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{
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if (Deleted(entity))
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continue;
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// prevent deathnettles injecting through hardsuits
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if (!comp.PierceArmor && _inventory.TryGetSlotEntity(entity, "outerClothing", out var suit) && _tag.HasTag(suit.Value, "Hardsuit"))
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{
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PopupSystem.PopupEntity(Loc.GetString("melee-inject-failed-hardsuit", ("weapon", owner)), args.User, args.User, PopupType.SmallCaution);
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continue;
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}
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if (bloodQuery.TryGetComponent(entity, out var bloodstream))
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hitBloodstreams.Add((entity, bloodstream));
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}
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if (!hitBloodstreams.Any())
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return;
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var removedSolution = solutionContainer.SplitSolution(comp.TransferAmount * hitBloodstreams.Count);
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var removedVol = removedSolution.Volume;
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var solutionToInject = removedSolution.SplitSolution(removedVol * comp.TransferEfficiency);
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var volPerBloodstream = solutionToInject.Volume * (1 / hitBloodstreams.Count);
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foreach (var (ent, bloodstream) in hitBloodstreams)
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{
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var individualInjection = solutionToInject.SplitSolution(volPerBloodstream);
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_bloodstream.TryAddToChemicals(ent, individualInjection, bloodstream);
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}
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}
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}
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