fish-station/Content.Shared/_Sunrise/Carrying/SharedCarryingSystem.cs
2025-08-13 01:24:33 +03:00

367 lines
14 KiB
C#

using Content.Shared.ActionBlocker;
using Content.Shared.DoAfter;
using Content.Shared.Hands.Components;
using Content.Shared.IdentityManagement;
using Content.Shared.Interaction;
using Content.Shared.Inventory.VirtualItem;
using Content.Shared.Mobs.Systems;
using Content.Shared.Movement.Pulling.Components;
using Content.Shared.Movement.Pulling.Systems;
using Content.Shared.Popups;
using Content.Shared.Stunnable;
using Content.Shared.Verbs;
using Robust.Shared.Map.Components;
using Robust.Shared.Player;
using Content.Shared.Carrying;
using Robust.Shared.Physics.Components;
using Content.Shared.Throwing;
using Content.Shared.Mobs.Components;
using Content.Shared.Mobs;
using Content.Shared.Hands;
using Content.Shared.Standing;
using Content.Shared.Movement.Events;
using Content.Shared.Interaction.Events;
using Content.Shared.Movement.Pulling.Events;
using Content.Shared.Climbing.Events;
using Content.Shared.Buckle.Components;
using Content.Shared.Movement.Systems;
using Content.Shared.Coordinates;
using Content.Shared.Hands.EntitySystems;
namespace Content.Shared._Sunrise.Carrying;
public sealed class SharedCarryingSystem : EntitySystem
{
private readonly float _maxThrowSpeed = 15f;
private const float CarryDistanceThreshold = 0.1f;
private const float BaseCarryTime = 1f;
private const float MaxCarryTime = 5f;
private const float SlowdownCoefficient = 0.15f;
private const float MinimumSpeedModifier = 0.1f;
private const float CarryInteractionRange = 0.75f;
private const float BaseThrowSpeed = 3f;
[Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
[Dependency] private readonly MobStateSystem _mobStateSystem = default!;
[Dependency] private readonly CarryingSlowdownSystem _slowdown = default!;
[Dependency] private readonly SharedVirtualItemSystem _virtualItemSystem = default!;
[Dependency] private readonly SharedDoAfterSystem _doAfterSystem = default!;
[Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
[Dependency] private readonly PullingSystem _pullingSystem = default!;
[Dependency] private readonly SharedTransformSystem _transform = default!;
[Dependency] private readonly ThrowingSystem _throwingSystem = default!;
[Dependency] private readonly SharedPopupSystem _popupSystem = default!;
[Dependency] private readonly SharedStandingStateSystem _standingState = default!;
[Dependency] private readonly IEntityManager _entityManager = default!;
[Dependency] private readonly MovementSpeedModifierSystem _movementSpeed = default!;
[Dependency] private readonly SharedHandsSystem _handsSystem = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<CarriableComponent, GetVerbsEvent<AlternativeVerb>>(AddCarryVerb);
SubscribeLocalEvent<CarriableComponent, CarryDoAfterEvent>(OnDoAfter);
SubscribeLocalEvent<CarryingComponent, BeforeThrowEvent>(OnBeforeThrow);
SubscribeLocalEvent<CarryingComponent, VirtualItemDeletedEvent>(OnVirtualItemDeleted);
SubscribeLocalEvent<CarryingComponent, EntParentChangedMessage>(OnParentChanged);
SubscribeLocalEvent<CarryingComponent, MobStateChangedEvent>(OnMobStateChanged);
SubscribeLocalEvent<BeingCarriedComponent, UpdateCanMoveEvent>(OnMoveAttempt);
SubscribeLocalEvent<BeingCarriedComponent, StandAttemptEvent>(OnStandAttempt);
SubscribeLocalEvent<BeingCarriedComponent, GettingInteractedWithAttemptEvent>(OnInteractedWith);
SubscribeLocalEvent<BeingCarriedComponent, PullAttemptEvent>(OnPullAttempt);
SubscribeLocalEvent<BeingCarriedComponent, StartClimbEvent>(OnStartClimb);
SubscribeLocalEvent<BeingCarriedComponent, BuckledEvent>(OnBuckleChange);
SubscribeLocalEvent<BeingCarriedComponent, InteractionAttemptEvent>(OnInteractionAttempt);
}
public override void Update(float frametime)
{
base.Update(frametime);
var query = EntityQueryEnumerator<CarryingComponent, TransformComponent>();
while (query.MoveNext(out var uid, out var carrier, out var carrierXform))
{
if (!TryComp(uid, out StandingStateComponent? standing))
continue;
if (standing.CurrentState == StandingState.Laying)
{
_popupSystem.PopupClient(Loc.GetString("carry-lying-cancel"), carrier.Carried, uid, PopupType.MediumCaution);
DropCarried(uid, carrier.Carried);
continue;
}
if (!TryComp(carrier.Carried, out TransformComponent? carriedXform))
continue;
if (!carrierXform.Coordinates.TryDistance(EntityManager, carriedXform.Coordinates, out var distance))
continue;
if (distance > CarryDistanceThreshold)
DropCarried(uid, carrier.Carried);
}
}
private void AddCarryVerb(EntityUid uid, CarriableComponent component, GetVerbsEvent<AlternativeVerb> args)
{
if (!args.CanInteract || !args.CanAccess)
return;
if (!CanCarry(args.User, uid, component))
return;
if (HasComp<CarryingComponent>(args.User)) // yeah not dealing with that
return;
if (HasComp<BeingCarriedComponent>(args.User) || HasComp<BeingCarriedComponent>(args.Target))
return;
if (!_interactionSystem.InRangeUnobstructed(args.User, uid, CarryInteractionRange))
return;
if (!_mobStateSystem.IsAlive(args.User))
return;
if (args.User == args.Target)
return;
AlternativeVerb verb = new()
{
Act = () =>
{
StartCarryDoAfter(args.User, uid);
},
Text = Loc.GetString("carry-verb"),
Priority = 2
};
args.Verbs.Add(verb);
}
private void StartCarryDoAfter(EntityUid carrier, EntityUid carried)
{
TimeSpan length = TimeSpan.FromSeconds(BaseCarryTime);
var mod = MassContest(carrier, carried);
if (mod != 0)
length /= mod;
if (!HasComp<KnockedDownComponent>(carried))
length *= 2f;
if (TryComp<MobStateComponent>(carried, out var mobState) && mobState.CurrentState != MobState.Alive)
length /= 2f;
if (length >= TimeSpan.FromSeconds(MaxCarryTime))
{
_popupSystem.PopupPredicted(Loc.GetString("carry-too-heavy"), carried, carrier, PopupType.SmallCaution);
return;
}
var ev = new CarryDoAfterEvent();
var args = new DoAfterArgs(EntityManager, carrier, length, ev, carried, target: carried)
{
BreakOnMove = true,
NeedHand = true,
MovementThreshold = 0.01f
};
_doAfterSystem.TryStartDoAfter(args);
ShowCarryPopup("carry-starting", Filter.Entities(carrier), PopupType.Medium, carrier, carried);
ShowCarryPopup("carry-started", Filter.Entities(carried), PopupType.Medium, carrier, carried);
ShowCarryPopup("carry-observed", Filter.PvsExcept(carrier).RemoveWhereAttachedEntity(e => e == carried), PopupType.MediumCaution, carrier, carried);
}
private void OnDoAfter(EntityUid uid, CarriableComponent component, CarryDoAfterEvent args)
{
if (args.Handled || args.Cancelled)
return;
if (!CanCarry(args.Args.User, uid, component))
return;
Carry(args.Args.User, uid, component);
args.Handled = true;
}
private void OnBeforeThrow(EntityUid uid, CarryingComponent component, BeforeThrowEvent args)
{
if (!TryComp<VirtualItemComponent>(args.ItemUid, out var virtItem) || !HasComp<CarriableComponent>(virtItem.BlockingEntity))
return;
var multiplier = MassContest(uid, virtItem.BlockingEntity);
var throwSpeed = Math.Min(BaseThrowSpeed * multiplier, _maxThrowSpeed);
_throwingSystem.TryThrow(virtItem.BlockingEntity, args.Direction, throwSpeed, uid);
}
private void OnVirtualItemDeleted(EntityUid uid, CarryingComponent component, VirtualItemDeletedEvent args)
{
if (!HasComp<CarriableComponent>(args.BlockingEntity))
return;
DropCarried(uid, args.BlockingEntity);
}
private void OnParentChanged(EntityUid uid, CarryingComponent component, ref EntParentChangedMessage args)
{
var xform = Transform(uid);
if (xform.ParentUid == args.OldParent)
return;
// Do not drop the carried entity if the new parent is a grid
if (xform.ParentUid == xform.GridUid)
return;
DropCarried(uid, component.Carried);
}
private void OnMobStateChanged(EntityUid uid, CarryingComponent component, MobStateChangedEvent args)
{
DropCarried(uid, component.Carried);
}
private void OnMoveAttempt(EntityUid uid, BeingCarriedComponent component, UpdateCanMoveEvent args)
{
args.Cancel();
}
private void OnStandAttempt(EntityUid uid, BeingCarriedComponent component, StandAttemptEvent args)
{
args.Cancel();
}
private void OnInteractedWith(EntityUid uid, BeingCarriedComponent component, GettingInteractedWithAttemptEvent args)
{
if (args.Uid != component.Carrier)
args.Cancelled = true;
}
private void OnPullAttempt(EntityUid uid, BeingCarriedComponent component, PullAttemptEvent args)
{
args.Cancelled = true;
}
private void OnStartClimb(EntityUid uid, BeingCarriedComponent component, ref StartClimbEvent args)
{
DropCarried(component.Carrier, uid);
}
private void OnBuckleChange(EntityUid uid, BeingCarriedComponent component, ref BuckledEvent args)
{
DropCarried(component.Carrier, uid);
}
private void OnInteractionAttempt(EntityUid uid, BeingCarriedComponent component, InteractionAttemptEvent args)
{
if (args.Target == null)
return;
var targetParent = Transform(args.Target.Value).ParentUid;
if (args.Target.Value != component.Carrier && targetParent != component.Carrier && targetParent != uid)
args.Cancelled = true;
}
private void Carry(EntityUid carrier, EntityUid carried, CarriableComponent component)
{
if (TryComp<PullableComponent>(carried, out var pullable))
_pullingSystem.TryStopPull(carried, pullable, carrier);
_transform.AttachToGridOrMap(carrier);
_transform.SetCoordinates(carried, carrier.ToCoordinates());
_transform.SetParent(carried, carrier);
for (var i = 0; i < component.FreeHandsRequired; i++)
{
_virtualItemSystem.TrySpawnVirtualItemInHand(carried, carrier);
}
var carryingComp = EnsureComp<CarryingComponent>(carrier);
ApplyCarrySlowdown(carrier, carried);
var carriedComp = EnsureComp<BeingCarriedComponent>(carried);
EnsureComp<KnockedDownComponent>(carried);
carryingComp.Carried = carried;
carriedComp.Carrier = carrier;
_actionBlockerSystem.UpdateCanMove(carried);
}
private void ApplyCarrySlowdown(EntityUid carrier, EntityUid carried)
{
var massRatio = MassContest(carrier, carried);
if (massRatio == 0)
massRatio = 1;
// Формула замедления: чем меньше соотношение масс, тем больше замедление
// При равных массах (ratio = 1) модификатор = 0.85
var massRatioSq = Math.Pow(massRatio, 2);
var modifier = 1 - (SlowdownCoefficient / massRatioSq);
modifier = Math.Max(MinimumSpeedModifier, modifier);
var slowdownComp = EnsureComp<CarryingSlowdownComponent>(carrier);
_slowdown.SetModifier(carrier, (float)modifier, (float)modifier, slowdownComp);
}
private void ShowCarryPopup(string locString, Filter filter, PopupType type, EntityUid carrier, EntityUid carried)
{
_popupSystem.PopupPredicted(Loc.GetString(locString, ("carrier", Identity.Name(carrier, EntityManager)), ("target", Identity.Name(carried, EntityManager))), carrier, carried, filter, true, type);
}
public float MassContest(EntityUid roller, EntityUid target, PhysicsComponent? rollerPhysics = null, PhysicsComponent? targetPhysics = null)
{
if (!Resolve(roller, ref rollerPhysics, false) || !Resolve(target, ref targetPhysics, false))
return 1f;
if (targetPhysics.FixturesMass == 0)
return 1f;
return rollerPhysics.FixturesMass / targetPhysics.FixturesMass;
}
public bool CanCarry(EntityUid carrier, EntityUid carried, CarriableComponent? carriedComp = null)
{
if (!Resolve(carried, ref carriedComp, false))
return false;
if (!HasComp<MapGridComponent>(Transform(carrier).ParentUid))
return false;
if (HasComp<BeingCarriedComponent>(carrier) || HasComp<BeingCarriedComponent>(carried))
return false;
if (_handsSystem.CountFreeHands(carrier) < carriedComp.FreeHandsRequired)
return false;
return true;
}
public void DropCarried(EntityUid carrier, EntityUid carried)
{
RemComp<KnockedDownComponent>(carried);
RemComp<CarryingComponent>(carrier); // get rid of this first so we don't recusrively fire that event
RemComp<CarryingSlowdownComponent>(carrier);
RemComp<BeingCarriedComponent>(carried);
_actionBlockerSystem.UpdateCanMove(carried);
_virtualItemSystem.DeleteInHandsMatching(carrier, carried);
_transform.AttachToGridOrMap(carried);
_standingState.Stand(carried);
_movementSpeed.RefreshMovementSpeedModifiers(carrier);
var ev = new CarryDroppedEvent();
RaiseLocalEvent(carried, ref ev);
}
}