551 lines
20 KiB
C#
551 lines
20 KiB
C#
using Content.Server.Body.Components;
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using Content.Server.Body.Systems;
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using Content.Shared.Chemistry.EntitySystems;
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using Content.Server.Inventory;
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using Content.Server.Nutrition.Components;
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using Content.Shared.Nutrition.Components;
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using Content.Server.Popups;
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using Content.Server.Stack;
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using Content.Shared.Administration.Logs;
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using Content.Shared.Body.Components;
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using Content.Shared.Body.Organ;
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using Content.Shared.Chemistry;
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using Content.Shared.Database;
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using Content.Shared.DoAfter;
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using Content.Shared.FixedPoint;
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using Content.Shared.Hands.Components;
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using Content.Shared.Hands.EntitySystems;
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using Content.Shared.IdentityManagement;
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using Content.Shared.Interaction;
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using Content.Shared.Interaction.Components;
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using Content.Shared.Interaction.Events;
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using Content.Shared.Inventory;
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using Content.Shared.Mobs.Systems;
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using Content.Shared.Nutrition;
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using Content.Shared.Nutrition.EntitySystems;
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using Content.Shared.Stacks;
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using Content.Shared.Storage;
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using Content.Shared.Verbs;
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using Robust.Shared.Audio;
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using Robust.Shared.Audio.Systems;
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using Robust.Shared.Utility;
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using System.Linq;
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using Content.Shared.Containers.ItemSlots;
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using Robust.Server.GameObjects;
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using Content.Shared.Whitelist;
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using Content.Shared.Destructible;
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namespace Content.Server.Nutrition.EntitySystems;
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/// <summary>
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/// Handles feeding attempts both on yourself and on the target.
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/// </summary>
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public sealed class FoodSystem : EntitySystem
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{
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[Dependency] private readonly BodySystem _body = default!;
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[Dependency] private readonly FlavorProfileSystem _flavorProfile = default!;
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[Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
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[Dependency] private readonly InventorySystem _inventory = default!;
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[Dependency] private readonly MobStateSystem _mobState = default!;
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[Dependency] private readonly OpenableSystem _openable = default!;
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[Dependency] private readonly PopupSystem _popup = default!;
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[Dependency] private readonly ReactiveSystem _reaction = default!;
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[Dependency] private readonly SharedAudioSystem _audio = default!;
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[Dependency] private readonly SharedDoAfterSystem _doAfter = default!;
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[Dependency] private readonly SharedHandsSystem _hands = default!;
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[Dependency] private readonly SharedInteractionSystem _interaction = default!;
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[Dependency] private readonly SharedSolutionContainerSystem _solutionContainer = default!;
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[Dependency] private readonly TransformSystem _transform = default!;
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[Dependency] private readonly StackSystem _stack = default!;
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[Dependency] private readonly StomachSystem _stomach = default!;
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[Dependency] private readonly UtensilSystem _utensil = default!;
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[Dependency] private readonly EntityWhitelistSystem _whitelistSystem = default!;
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public const float MaxFeedDistance = 1.0f;
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public override void Initialize()
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{
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base.Initialize();
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// TODO add InteractNoHandEvent for entities like mice.
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// run after openable for wrapped/peelable foods
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SubscribeLocalEvent<FoodComponent, UseInHandEvent>(OnUseFoodInHand, after: new[] { typeof(OpenableSystem), typeof(ServerInventorySystem) });
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SubscribeLocalEvent<FoodComponent, AfterInteractEvent>(OnFeedFood);
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SubscribeLocalEvent<FoodComponent, GetVerbsEvent<AlternativeVerb>>(AddEatVerb);
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SubscribeLocalEvent<FoodComponent, ConsumeDoAfterEvent>(OnDoAfter);
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SubscribeLocalEvent<InventoryComponent, IngestionAttemptEvent>(OnInventoryIngestAttempt);
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}
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/// <summary>
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/// Eat item
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/// </summary>
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private void OnUseFoodInHand(Entity<FoodComponent> entity, ref UseInHandEvent ev)
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{
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if (ev.Handled)
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return;
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var result = TryFeed(ev.User, ev.User, entity, entity.Comp);
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ev.Handled = result.Handled;
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}
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/// <summary>
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/// Feed someone else
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/// </summary>
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private void OnFeedFood(Entity<FoodComponent> entity, ref AfterInteractEvent args)
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{
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if (args.Handled || args.Target == null || !args.CanReach)
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return;
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var result = TryFeed(args.User, args.Target.Value, entity, entity.Comp);
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args.Handled = result.Handled;
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}
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/// <summary>
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/// Tries to feed the food item to the target entity
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/// </summary>
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public (bool Success, bool Handled) TryFeed(EntityUid user, EntityUid target, EntityUid food, FoodComponent foodComp)
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{
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//Suppresses eating yourself and alive mobs
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if (food == user || (_mobState.IsAlive(food) && foodComp.RequireDead))
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return (false, false);
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// Target can't be fed or they're already eating
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if (!TryComp<BodyComponent>(target, out var body))
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return (false, false);
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if (HasComp<UnremoveableComponent>(food))
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return (false, false);
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if (_openable.IsClosed(food, user))
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return (false, true);
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if (!_solutionContainer.TryGetSolution(food, foodComp.Solution, out _, out var foodSolution))
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return (false, false);
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if (!_body.TryGetBodyOrganEntityComps<StomachComponent>((target, body), out var stomachs))
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return (false, false);
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// Check for special digestibles
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if (!IsDigestibleBy(food, foodComp, stomachs))
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return (false, false);
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if (!TryGetRequiredUtensils(user, foodComp, out _))
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return (false, false);
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// Check for used storage on the food item
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if (TryComp<StorageComponent>(food, out var storageState) && storageState.Container.ContainedEntities.Any())
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{
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_popup.PopupEntity(Loc.GetString("food-has-used-storage", ("food", food)), user, user);
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return (false, true);
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}
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// Checks for used item slots
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if (TryComp<ItemSlotsComponent>(food, out var itemSlots))
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{
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if (itemSlots.Slots.Any(slot => slot.Value.HasItem))
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{
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_popup.PopupEntity(Loc.GetString("food-has-used-storage", ("food", food)), user, user);
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return (false, true);
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}
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}
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var flavors = _flavorProfile.GetLocalizedFlavorsMessage(food, user, foodSolution);
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if (GetUsesRemaining(food, foodComp) <= 0)
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{
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_popup.PopupEntity(Loc.GetString("food-system-try-use-food-is-empty", ("entity", food)), user, user);
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DeleteAndSpawnTrash(foodComp, food, user);
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return (false, true);
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}
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if (IsMouthBlocked(target, user))
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return (false, true);
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if (!_interaction.InRangeUnobstructed(user, food, popup: true))
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return (false, true);
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if (!_interaction.InRangeUnobstructed(user, target, MaxFeedDistance, popup: true))
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return (false, true);
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// TODO make do-afters account for fixtures in the range check.
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if (!_transform.GetMapCoordinates(user).InRange(_transform.GetMapCoordinates(target), MaxFeedDistance))
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{
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var message = Loc.GetString("interaction-system-user-interaction-cannot-reach");
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_popup.PopupEntity(message, user, user);
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return (false, true);
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}
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var forceFeed = user != target;
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if (forceFeed)
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{
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var userName = Identity.Entity(user, EntityManager);
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_popup.PopupEntity(Loc.GetString("food-system-force-feed", ("user", userName)),
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user, target);
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// logging
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_adminLogger.Add(LogType.ForceFeed, LogImpact.Medium, $"{ToPrettyString(user):user} is forcing {ToPrettyString(target):target} to eat {ToPrettyString(food):food} {SharedSolutionContainerSystem.ToPrettyString(foodSolution)}");
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}
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else
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{
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// log voluntary eating
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_adminLogger.Add(LogType.Ingestion, LogImpact.Low, $"{ToPrettyString(target):target} is eating {ToPrettyString(food):food} {SharedSolutionContainerSystem.ToPrettyString(foodSolution)}");
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}
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var doAfterArgs = new DoAfterArgs(EntityManager,
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user,
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forceFeed ? foodComp.ForceFeedDelay : foodComp.Delay,
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new ConsumeDoAfterEvent(foodComp.Solution, flavors),
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eventTarget: food,
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target: target,
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used: food)
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{
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BreakOnHandChange = false,
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BreakOnMove = forceFeed,
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BreakOnDamage = true,
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MovementThreshold = 0.01f,
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DistanceThreshold = MaxFeedDistance,
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// do-after will stop if item is dropped when trying to feed someone else
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// or if the item started out in the user's own hands
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NeedHand = forceFeed || _hands.IsHolding(user, food),
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};
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_doAfter.TryStartDoAfter(doAfterArgs);
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return (true, true);
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}
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private void OnDoAfter(Entity<FoodComponent> entity, ref ConsumeDoAfterEvent args)
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{
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if (args.Cancelled || args.Handled || entity.Comp.Deleted || args.Target == null)
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return;
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if (!TryComp<BodyComponent>(args.Target.Value, out var body))
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return;
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if (!_body.TryGetBodyOrganEntityComps<StomachComponent>((args.Target.Value, body), out var stomachs))
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return;
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if (args.Used is null || !_solutionContainer.TryGetSolution(args.Used.Value, args.Solution, out var soln, out var solution))
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return;
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if (!TryGetRequiredUtensils(args.User, entity.Comp, out var utensils))
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return;
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// TODO this should really be checked every tick.
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if (IsMouthBlocked(args.Target.Value))
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return;
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// TODO this should really be checked every tick.
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if (!_interaction.InRangeUnobstructed(args.User, args.Target.Value))
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return;
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var forceFeed = args.User != args.Target;
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args.Handled = true;
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var transferAmount = entity.Comp.TransferAmount != null ? FixedPoint2.Min((FixedPoint2) entity.Comp.TransferAmount, solution.Volume) : solution.Volume;
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var split = _solutionContainer.SplitSolution(soln.Value, transferAmount);
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// Get the stomach with the highest available solution volume
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var highestAvailable = FixedPoint2.Zero;
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Entity<StomachComponent>? stomachToUse = null;
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foreach (var ent in stomachs)
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{
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var owner = ent.Owner;
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if (!_stomach.CanTransferSolution(owner, split, ent.Comp1))
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continue;
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if (!_solutionContainer.ResolveSolution(owner, StomachSystem.DefaultSolutionName, ref ent.Comp1.Solution, out var stomachSol))
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continue;
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if (stomachSol.AvailableVolume <= highestAvailable)
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continue;
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stomachToUse = ent;
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highestAvailable = stomachSol.AvailableVolume;
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}
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// No stomach so just popup a message that they can't eat.
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if (stomachToUse == null)
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{
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_solutionContainer.TryAddSolution(soln.Value, split);
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_popup.PopupEntity(forceFeed ? Loc.GetString("food-system-you-cannot-eat-any-more-other", ("target", args.Target.Value)) : Loc.GetString("food-system-you-cannot-eat-any-more"), args.Target.Value, args.User);
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return;
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}
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_reaction.DoEntityReaction(args.Target.Value, solution, ReactionMethod.Ingestion);
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_stomach.TryTransferSolution(stomachToUse!.Value.Owner, split, stomachToUse);
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var flavors = args.FlavorMessage;
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if (forceFeed)
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{
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var targetName = Identity.Entity(args.Target.Value, EntityManager);
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var userName = Identity.Entity(args.User, EntityManager);
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_popup.PopupEntity(Loc.GetString("food-system-force-feed-success", ("user", userName), ("flavors", flavors)), entity.Owner, entity.Owner);
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_popup.PopupEntity(Loc.GetString("food-system-force-feed-success-user", ("target", targetName)), args.User, args.User);
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// log successful force feed
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_adminLogger.Add(LogType.ForceFeed, LogImpact.Medium, $"{ToPrettyString(entity.Owner):user} forced {ToPrettyString(args.User):target} to eat {ToPrettyString(entity.Owner):food}");
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}
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else
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{
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_popup.PopupEntity(Loc.GetString(entity.Comp.EatMessage, ("food", entity.Owner), ("flavors", flavors)), args.User, args.User);
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// log successful voluntary eating
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_adminLogger.Add(LogType.Ingestion, LogImpact.Low, $"{ToPrettyString(args.User):target} ate {ToPrettyString(entity.Owner):food}");
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}
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_audio.PlayPvs(entity.Comp.UseSound, args.Target.Value, AudioParams.Default.WithVolume(-1f).WithVariation(0.20f));
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// Try to break all used utensils
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foreach (var utensil in utensils)
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{
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_utensil.TryBreak(utensil, args.User);
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}
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args.Repeat = !forceFeed;
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if (TryComp<StackComponent>(entity, out var stack))
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{
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//Not deleting whole stack piece will make troubles with grinding object
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if (stack.Count > 1)
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{
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_stack.SetCount(entity.Owner, stack.Count - 1);
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_solutionContainer.TryAddSolution(soln.Value, split);
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return;
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}
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}
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else if (GetUsesRemaining(entity.Owner, entity.Comp) > 0)
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{
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return;
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}
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// don't try to repeat if its being deleted
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args.Repeat = false;
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DeleteAndSpawnTrash(entity.Comp, entity.Owner, args.User);
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}
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public void DeleteAndSpawnTrash(FoodComponent component, EntityUid food, EntityUid user)
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{
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var ev = new BeforeFullyEatenEvent
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{
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User = user
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};
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RaiseLocalEvent(food, ev);
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if (ev.Cancelled)
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return;
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var dev = new DestructionEventArgs();
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RaiseLocalEvent(food, dev);
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if (component.Trash.Count == 0)
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{
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QueueDel(food);
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return;
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}
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//We're empty. Become trash.
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//cache some data as we remove food, before spawning trash and passing it to the hand.
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var position = _transform.GetMapCoordinates(food);
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var trashes = component.Trash;
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var tryPickup = _hands.IsHolding(user, food, out _);
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Del(food);
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foreach (var trash in trashes)
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{
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var spawnedTrash = Spawn(trash, position);
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// If the user is holding the item
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if (tryPickup)
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{
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// Put the trash in the user's hand
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_hands.TryPickupAnyHand(user, spawnedTrash);
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}
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}
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}
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private void AddEatVerb(Entity<FoodComponent> entity, ref GetVerbsEvent<AlternativeVerb> ev)
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{
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if (entity.Owner == ev.User ||
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!ev.CanInteract ||
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!ev.CanAccess ||
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!TryComp<BodyComponent>(ev.User, out var body) ||
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!_body.TryGetBodyOrganEntityComps<StomachComponent>((ev.User, body), out var stomachs))
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return;
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// have to kill mouse before eating it
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if (_mobState.IsAlive(entity) && entity.Comp.RequireDead)
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return;
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// only give moths eat verb for clothes since it would just fail otherwise
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if (!IsDigestibleBy(entity, entity.Comp, stomachs))
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return;
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var user = ev.User;
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AlternativeVerb verb = new()
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{
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Act = () =>
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{
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TryFeed(user, user, entity, entity.Comp);
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},
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Icon = new SpriteSpecifier.Texture(new("/Textures/Interface/VerbIcons/cutlery.svg.192dpi.png")),
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Text = Loc.GetString("food-system-verb-eat"),
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Priority = -1
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};
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ev.Verbs.Add(verb);
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}
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/// <summary>
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/// Returns true if the food item can be digested by the user.
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/// </summary>
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public bool IsDigestibleBy(EntityUid uid, EntityUid food, FoodComponent? foodComp = null)
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{
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if (!Resolve(food, ref foodComp, false))
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return false;
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if (!_body.TryGetBodyOrganEntityComps<StomachComponent>(uid, out var stomachs))
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return false;
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return IsDigestibleBy(food, foodComp, stomachs);
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}
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/// <summary>
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/// Returns true if <paramref name="stomachs"/> has a <see cref="StomachComponent.SpecialDigestible"/> that whitelists
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/// this <paramref name="food"/> (or if they even have enough stomachs in the first place).
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/// </summary>
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private bool IsDigestibleBy(EntityUid food, FoodComponent component, List<Entity<StomachComponent, OrganComponent>> stomachs)
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{
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var digestible = true;
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// Does the mob have enough stomachs?
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if (stomachs.Count < component.RequiredStomachs)
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return false;
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// Run through the mobs' stomachs
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foreach (var ent in stomachs)
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{
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// Find a stomach with a SpecialDigestible
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if (ent.Comp1.SpecialDigestible == null)
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continue;
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// Check if the food is in the whitelist
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if (_whitelistSystem.IsWhitelistPass(ent.Comp1.SpecialDigestible, food))
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return true;
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// They can only eat whitelist food and the food isn't in the whitelist. It's not edible.
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return false;
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}
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if (component.RequiresSpecialDigestion)
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return false;
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return digestible;
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}
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private bool TryGetRequiredUtensils(EntityUid user, FoodComponent component,
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out List<EntityUid> utensils, HandsComponent? hands = null)
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{
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utensils = new List<EntityUid>();
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if (component.Utensil == UtensilType.None)
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return true;
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if (!Resolve(user, ref hands, false))
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return true; //mice
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var usedTypes = UtensilType.None;
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foreach (var item in _hands.EnumerateHeld(user, hands))
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{
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// Is utensil?
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if (!TryComp<UtensilComponent>(item, out var utensil))
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continue;
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if ((utensil.Types & component.Utensil) != 0 && // Acceptable type?
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(usedTypes & utensil.Types) != utensil.Types) // Type is not used already? (removes usage of identical utensils)
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{
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// Add to used list
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usedTypes |= utensil.Types;
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utensils.Add(item);
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}
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}
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// If "required" field is set, try to block eating without proper utensils used
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if (component.UtensilRequired && (usedTypes & component.Utensil) != component.Utensil)
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{
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_popup.PopupEntity(Loc.GetString("food-you-need-to-hold-utensil", ("utensil", component.Utensil ^ usedTypes)), user, user);
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return false;
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}
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return true;
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}
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/// <summary>
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/// Block ingestion attempts based on the equipped mask or head-wear
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/// </summary>
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private void OnInventoryIngestAttempt(Entity<InventoryComponent> entity, ref IngestionAttemptEvent args)
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{
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if (args.Cancelled)
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return;
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IngestionBlockerComponent? blocker;
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if (_inventory.TryGetSlotEntity(entity.Owner, "mask", out var maskUid) &&
|
|
TryComp(maskUid, out blocker) &&
|
|
blocker.Enabled)
|
|
{
|
|
args.Blocker = maskUid;
|
|
args.Cancel();
|
|
return;
|
|
}
|
|
|
|
if (_inventory.TryGetSlotEntity(entity.Owner, "head", out var headUid) &&
|
|
TryComp(headUid, out blocker) &&
|
|
blocker.Enabled)
|
|
{
|
|
args.Blocker = headUid;
|
|
args.Cancel();
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Check whether the target's mouth is blocked by equipment (masks or head-wear).
|
|
/// </summary>
|
|
/// <param name="uid">The target whose equipment is checked</param>
|
|
/// <param name="popupUid">Optional entity that will receive an informative pop-up identifying the blocking
|
|
/// piece of equipment.</param>
|
|
/// <returns></returns>
|
|
public bool IsMouthBlocked(EntityUid uid, EntityUid? popupUid = null)
|
|
{
|
|
var attempt = new IngestionAttemptEvent();
|
|
RaiseLocalEvent(uid, attempt, false);
|
|
if (attempt.Cancelled && attempt.Blocker != null && popupUid != null)
|
|
{
|
|
_popup.PopupEntity(Loc.GetString("food-system-remove-mask", ("entity", attempt.Blocker.Value)),
|
|
uid, popupUid.Value);
|
|
}
|
|
|
|
return attempt.Cancelled;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the number of bites this food has left, based on how much food solution there is and how much of it to eat per bite.
|
|
/// </summary>
|
|
public int GetUsesRemaining(EntityUid uid, FoodComponent? comp = null)
|
|
{
|
|
if (!Resolve(uid, ref comp))
|
|
return 0;
|
|
|
|
if (!_solutionContainer.TryGetSolution(uid, comp.Solution, out _, out var solution) || solution.Volume == 0)
|
|
return 0;
|
|
|
|
// eat all in 1 go, so non empty is 1 bite
|
|
if (comp.TransferAmount == null)
|
|
return 1;
|
|
|
|
return Math.Max(1, (int) Math.Ceiling((solution.Volume / (FixedPoint2) comp.TransferAmount).Float()));
|
|
}
|
|
}
|