[Feat] Система лежания и снаряды теперь проходят через лежащих людей, если не целиться в них (#195)

* add: система лежания и вставания

* add: теперь по-умолчанию по лежачим не попадают снаряды

* add: только гуманоиды могут ложиться

Content.Client/Input/ContentContexts.cs

@@ -76,6 +76,7 @@ namespace Content.Client.Input
             human.AddFunction(ContentKeyFunctions.Arcade1);
             human.AddFunction(ContentKeyFunctions.Arcade2);
             human.AddFunction(ContentKeyFunctions.Arcade3);
+            human.AddFunction(ContentKeyFunctions.LieDown); // WD EDIT
 
             // actions should be common (for ghosts, mobs, etc)
             common.AddFunction(ContentKeyFunctions.OpenActionsMenu);

Content.Client/Options/UI/Tabs/KeyRebindTab.xaml.cs

@@ -183,6 +183,7 @@ namespace Content.Client.Options.UI.Tabs
             AddButton(ContentKeyFunctions.SwapHands);
             AddButton(ContentKeyFunctions.MoveStoredItem);
             AddButton(ContentKeyFunctions.RotateStoredItem);
+            AddButton(ContentKeyFunctions.LieDown); // WD EDIT
 
             AddHeader("ui-options-header-interaction-adv");
             AddButton(ContentKeyFunctions.SmartEquipBackpack);

Content.Client/Weapons/Ranged/Systems/GunSystem.cs

@@ -1,4 +1,5 @@
 using System.Numerics;
+using Content.Client.Gameplay;
 using Content.Client.Items;
 using Content.Client.Weapons.Ranged.Components;
 using Content.Shared.Camera;
@@ -12,13 +13,13 @@ using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
 using Robust.Client.Input;
 using Robust.Client.Player;
+using Robust.Client.State;
 using Robust.Shared.Animations;
 using Robust.Shared.Input;
 using Robust.Shared.Map;
 using Robust.Shared.Prototypes;
+using Robust.Shared.Spawners;
 using Robust.Shared.Utility;
-using SharedGunSystem = Content.Shared.Weapons.Ranged.Systems.SharedGunSystem;
-using TimedDespawnComponent = Robust.Shared.Spawners.TimedDespawnComponent;
 
 namespace Content.Client.Weapons.Ranged.Systems;
 
@@ -31,6 +32,7 @@ public sealed partial class GunSystem : SharedGunSystem
     [Dependency] private readonly InputSystem _inputSystem = default!;
     [Dependency] private readonly SharedCameraRecoilSystem _recoil = default!;
     [Dependency] private readonly IComponentFactory _factory = default!;
+    [Dependency] private readonly IStateManager _state = default!;
 
     [ValidatePrototypeId<EntityPrototype>]
     public const string HitscanProto = "HitscanEffect";
@@ -184,9 +186,15 @@ public sealed partial class GunSystem : SharedGunSystem
         // WD EDIT END
 
         Log.Debug($"Sending shoot request tick {Timing.CurTick} / {Timing.CurTime}");
+        //Set the target entity that is directly clicked on.
+        EntityUid? shootingTarget = null;
 
+        if (_state.CurrentState is GameplayStateBase screen)
+            shootingTarget = screen.GetClickedEntity(mousePos);
+        
         EntityManager.RaisePredictiveEvent(new RequestShootEvent
         {
+            Target = GetNetEntity(shootingTarget),
             Coordinates = GetNetCoordinates(coordinates),
             Gun = GetNetEntity(gunUid),
         });

Content.Server/Projectiles/ProjectileSystem.cs

@@ -42,9 +42,19 @@ public sealed class ProjectileSystem : SharedProjectileSystem
         // This is so entities that shouldn't get a collision are ignored.
         if (args.OurFixtureId != ProjectileFixture || !args.OtherFixture.Hard
             || component.DamagedEntity || component is { Weapon: null, OnlyCollideWhenShot: true })
+        {
             return;
+        }
 
         var target = args.OtherEntity;
+
+        var collideAttemptEv = new ProjectileCollideAttemptEvent(uid, component, false);
+        RaiseLocalEvent(target, ref collideAttemptEv);
+        if (collideAttemptEv.Cancelled)
+        {
+            return;
+        }
+        
         // it's here so this check is only done once before possible hit
         var attemptEv = new ProjectileReflectAttemptEvent(uid, component, false);
         RaiseLocalEvent(target, ref attemptEv);

Content.Server/Weapons/Ranged/Systems/GunSystem.cs

@@ -215,14 +215,31 @@ public sealed partial class GunSystem : SharedGunSystem
                             var ray = new CollisionRay(from.Position, dir, hitscan.CollisionMask);
                             var rayCastResults =
                                 Physics.IntersectRay(from.MapId, ray, hitscan.MaxLength, lastUser, false).ToList();
-                            if (!rayCastResults.Any())
+                            if (rayCastResults.Count == 0)
                                 break;
 
-                            var result = rayCastResults[0];
-                            var hit = result.HitEntity;
-                            lastHit = hit;
+                            RayCastResults? result = null; 
+                            foreach (var castResults in rayCastResults)
+                            {
+                                var hitscanAttemptEv = new HitscanHitAttemptEvent(castResults.HitEntity, gun.Target);
+                                RaiseLocalEvent(castResults.HitEntity, ref hitscanAttemptEv);
+                                if (hitscanAttemptEv.Cancelled)
+                                {
+                                    continue;
+                                }
 
-                            FireEffects(fromEffect, result.Distance, dir.Normalized().ToAngle(), hitscan, hit);
+                                result = castResults;
+                                    break;
+                            }
+
+                            if (!result.HasValue)
+                            {
+                                return;
+                            }
+                            
+                            var hit = result.Value.HitEntity;
+                            lastHit = hit;
+                            FireEffects(fromEffect, result.Value.Distance, dir.Normalized().ToAngle(), hitscan, hit);
 
                             var ev = new HitScanReflectAttemptEvent(user, gunUid, hitscan.Reflective, dir, false);
                             RaiseLocalEvent(hit, ref ev);
@@ -296,25 +313,30 @@ public sealed partial class GunSystem : SharedGunSystem
     private void ShootOrThrow(EntityUid uid, Vector2 mapDirection, Vector2 gunVelocity, GunComponent gun, EntityUid gunUid, EntityUid? user)
     {
         // Do a throw
-        if (!HasComp<ProjectileComponent>(uid))
+        if (TryComp(uid, out ProjectileComponent? projectile))
         {
-            RemoveShootable(uid);
-            // TODO: Someone can probably yeet this a billion miles so need to pre-validate input somewhere up the call stack.
-            // WD EDIT START
-            var coefficient = _powered.GetPowerCoefficient(gunUid);
-            if (gun.ForceThrowingAngle)
-            {
-                var angle = EnsureComp<ThrowingAngleComponent>(uid);
-                angle.Angle = gun.Angle;
-            }
-            ThrowingSystem.TryThrow(uid, mapDirection.Normalized() * 7f * coefficient, gun.ProjectileSpeedModified, user);
-            if (gun.ForceThrowingAngle)
-                RemComp<ThrowingAngleComponent>(uid);
-            // WD EDIT END
+            projectile.Target = gun.Target;
+            ShootProjectile(uid, mapDirection, gunVelocity, gunUid, user, gun.ProjectileSpeedModified);
             return;
         }
 
-        ShootProjectile(uid, mapDirection, gunVelocity, gunUid, user, gun.ProjectileSpeedModified);
+        RemoveShootable(uid);
+        // TODO: Someone can probably yeet this a billion miles so need to pre-validate input somewhere up the call stack.
+        // WD EDIT START
+        var coefficient = _powered.GetPowerCoefficient(gunUid);
+        if (gun.ForceThrowingAngle)
+        {
+            var angle = EnsureComp<ThrowingAngleComponent>(uid);
+            angle.Angle = gun.Angle;
+        }
+
+        ThrowingSystem.TryThrow(uid, mapDirection.Normalized() * 7f * coefficient, gun.ProjectileSpeedModified,
+            user);
+
+        if (gun.ForceThrowingAngle)
+            RemComp<ThrowingAngleComponent>(uid);
+
+        // WD EDIT END
     }
 
     /// <summary>

Content.Shared/Input/ContentKeyFunctions.cs

@@ -56,6 +56,7 @@ namespace Content.Shared.Input
         public static readonly BoundKeyFunction ZoomOut = "ZoomOut";
         public static readonly BoundKeyFunction ZoomIn = "ZoomIn";
         public static readonly BoundKeyFunction ResetZoom = "ResetZoom";
+        public static readonly BoundKeyFunction LieDown = "LieDown"; // WD EDIT
 
         public static readonly BoundKeyFunction ArcadeUp = "ArcadeUp";
         public static readonly BoundKeyFunction ArcadeDown = "ArcadeDown";

Content.Shared/Projectiles/ProjectileComponent.cs

@@ -26,6 +26,12 @@ public sealed partial class ProjectileComponent : Component
     [DataField, AutoNetworkedField]
     public EntityUid? Weapon;
 
+    /// <summary>
+    ///     Entity being targeted by crosshair.
+    /// </summary>
+    [AutoNetworkedField]
+    public EntityUid? Target;
+
     /// <summary>
     ///     The projectile spawns inside the shooter most of the time, this prevents entities from shooting themselves.
     /// </summary>

Content.Shared/Projectiles/SharedProjectileSystem.cs

@@ -334,6 +334,12 @@ public sealed class ImpactEffectEvent : EntityEventArgs
     }
 }
 
+/// <summary>
+/// Raised when an entity is just about to be hit with a projectile
+/// </summary>
+[ByRefEvent]
+public record struct ProjectileCollideAttemptEvent(EntityUid ProjUid, ProjectileComponent Component, bool Cancelled);
+
 /// <summary>
 /// Raised when an entity is just about to be hit with a projectile but can reflect it
 /// </summary>
@@ -350,4 +356,4 @@ public record struct ProjectileHitEvent(DamageSpecifier Damage, EntityUid Target
 /// Raised after a projectile has dealt it's damage.
 /// </summary>
 [ByRefEvent]
-public record struct AfterProjectileHitEvent(DamageSpecifier Damage, EntityUid Target, Fixture Fixture);
+public record struct AfterProjectileHitEvent(DamageSpecifier Damage, EntityUid Target, Fixture Fixture);

Content.Shared/Standing/StandingStateComponent.cs

@@ -1,24 +1,47 @@
 using Robust.Shared.Audio;
 using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
 
 namespace Content.Shared.Standing
 {
-    [RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
-    [Access(typeof(StandingStateSystem))]
+    [RegisterComponent, NetworkedComponent, AutoGenerateComponentState, Access(typeof(StandingStateSystem))]
     public sealed partial class StandingStateComponent : Component
     {
-        [ViewVariables(VVAccess.ReadWrite)]
-        [DataField]
+        [ViewVariables(VVAccess.ReadWrite), DataField]
         public SoundSpecifier DownSound { get; private set; } = new SoundCollectionSpecifier("BodyFall");
 
         [DataField, AutoNetworkedField]
-        public bool Standing { get; set; } = true;
+        public StandingState CurrentState { get; set; } = StandingState.Standing; // WD EDIT
 
+        /// <summary>
+        ///     Time required to get up.
+        /// </summary>
+        [DataField, AutoNetworkedField]
+        public TimeSpan StandingUpTime { get; set; } = TimeSpan.FromSeconds(1); // WD EDIT
+
+        // WD EDIT
+        [DataField, AutoNetworkedField, ViewVariables(VVAccess.ReadWrite)]
+        public bool CanLieDown = false;
+        
         /// <summary>
         ///     List of fixtures that had their collision mask changed when the entity was downed.
         ///     Required for re-adding the collision mask.
         /// </summary>
         [DataField, AutoNetworkedField]
         public List<string> ChangedFixtures = new();
+        
     }
 }
+
+[Serializable, NetSerializable]
+public sealed class ChangeStandingStateEvent : EntityEventArgs
+{
+}
+
+// WD EDIT
+public enum StandingState
+{
+    Lying,
+    GettingUp,
+    Standing
+}

Content.Shared/Standing/StandingStateSystem.cs

@@ -1,166 +1,324 @@
+using Content.Shared.DoAfter;
 using Content.Shared.Hands.Components;
+using Content.Shared.Input;
+using Content.Shared.Movement.Systems;
 using Content.Shared.Physics;
+using Content.Shared.Projectiles;
 using Content.Shared.Rotation;
-using Robust.Shared.Audio;
+using Content.Shared.Weapons.Ranged.Systems;
 using Robust.Shared.Audio.Systems;
+using Robust.Shared.Input.Binding;
 using Robust.Shared.Physics;
 using Robust.Shared.Physics.Systems;
+using Robust.Shared.Player;
+using Robust.Shared.Serialization;
 
-namespace Content.Shared.Standing
+namespace Content.Shared.Standing;
+
+public sealed class StandingStateSystem : EntitySystem
 {
-    public sealed class StandingStateSystem : EntitySystem
+    [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
+    [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly SharedPhysicsSystem _physics = default!;
+    [Dependency] private readonly SharedDoAfterSystem _doAfter = default!; // WD EDIT
+    [Dependency] private readonly MovementSpeedModifierSystem _movement = default!; // WD EDIT
+
+    // If StandingCollisionLayer value is ever changed to more than one layer, the logic needs to be edited.
+    private const int StandingCollisionLayer = (int) CollisionGroup.MidImpassable;
+
+    // WD EDIT START
+    
+    /// <inheritdoc />
+    public override void Initialize()
     {
-        [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
-        [Dependency] private readonly SharedAudioSystem _audio = default!;
-        [Dependency] private readonly SharedPhysicsSystem _physics = default!;
+        base.Initialize();
 
-        // If StandingCollisionLayer value is ever changed to more than one layer, the logic needs to be edited.
-        private const int StandingCollisionLayer = (int) CollisionGroup.MidImpassable;
+        SubscribeLocalEvent<StandingStateComponent, StandingUpDoAfterEvent>(OnStandingUpDoAfter);
+        SubscribeLocalEvent<StandingStateComponent, RefreshMovementSpeedModifiersEvent>(OnRefreshMovementSpeed);
+        SubscribeLocalEvent<StandingStateComponent, ProjectileCollideAttemptEvent>(OnProjectileCollideAttempt);
+        SubscribeLocalEvent<StandingStateComponent, HitscanHitAttemptEvent>(OnHitscanHitAttempt);
 
-        public bool IsDown(EntityUid uid, StandingStateComponent? standingState = null)
+        SubscribeNetworkEvent<ChangeStandingStateEvent>(OnChangeState);
+
+        CommandBinds.Builder
+            .Bind(ContentKeyFunctions.LieDown, InputCmdHandler.FromDelegate(ChangeLyingState))
+            .Register<StandingStateSystem>();
+    }
+
+
+    private void OnRefreshMovementSpeed(
+        EntityUid uid,
+        StandingStateComponent component,
+        RefreshMovementSpeedModifiersEvent args)
+    {
+        if (IsDown(uid))
+            args.ModifySpeed(0.4f, 0.4f);
+        else
+            args.ModifySpeed(1f, 1f);
+    }
+
+    private void OnProjectileCollideAttempt(EntityUid uid, StandingStateComponent component, ref ProjectileCollideAttemptEvent args)
+    {
+        if (component.CurrentState is StandingState.Standing)
         {
-            if (!Resolve(uid, ref standingState, false))
-                return false;
+            return;
+        }
+        
+        if (!args.Component.Target.HasValue || args.Component.Target != uid)
+        {
+            args.Cancelled = true;
+        }
+    }
+    
+    private void OnHitscanHitAttempt(EntityUid uid, StandingStateComponent component, ref HitscanHitAttemptEvent args)
+    {
+        if (component.CurrentState is StandingState.Standing)
+        {
+            return;
+        }
+        
+        if (!args.Target.HasValue || args.Target != uid)
+        {
+            args.Cancelled = true;
+        }
+    }
 
-            return !standingState.Standing;
+    private void OnStandingUpDoAfter(EntityUid uid, StandingStateComponent component, StandingUpDoAfterEvent args)
+    {
+        Stand(uid);
+        _movement.RefreshMovementSpeedModifiers(uid);
+    }
+
+    private void OnChangeState(ChangeStandingStateEvent ev, EntitySessionEventArgs args)
+    {
+        if (!args.SenderSession.AttachedEntity.HasValue)
+        {
+            return;
         }
 
-        public bool Down(EntityUid uid, bool playSound = true, bool dropHeldItems = true,
-            StandingStateComponent? standingState = null,
-            AppearanceComponent? appearance = null,
-            HandsComponent? hands = null)
+        var uid = args.SenderSession.AttachedEntity.Value;
+
+        if (IsDown(uid))
         {
-            // TODO: This should actually log missing comps...
-            if (!Resolve(uid, ref standingState, false))
-                return false;
+            TryStandUp(uid);
+        }
+        else
+        {
+            TryLieDown(uid);
+        }
+    }
 
-            // Optional component.
-            Resolve(uid, ref appearance, ref hands, false);
+    /// <summary>
+    ///     Send an update event when player pressed keybind.
+    /// </summary>
+    private void ChangeLyingState(ICommonSession? session)
+    {
+        if (session?.AttachedEntity == null || 
+            !TryComp(session.AttachedEntity, out StandingStateComponent? standing) ||
+            !standing.CanLieDown)
+        {
+            return;
+        }
 
-            if (!standingState.Standing)
-                return true;
+        RaiseNetworkEvent(new ChangeStandingStateEvent());
+    }
+    
+    public bool TryStandUp(EntityUid uid, StandingStateComponent? standingState = null)
+    {
+        if (!Resolve(uid, ref standingState, false))
+            return false;
 
-            // This is just to avoid most callers doing this manually saving boilerplate
-            // 99% of the time you'll want to drop items but in some scenarios (e.g. buckling) you don't want to.
-            // We do this BEFORE downing because something like buckle may be blocking downing but we want to drop hand items anyway
-            // and ultimately this is just to avoid boilerplate in Down callers + keep their behavior consistent.
-            if (dropHeldItems && hands != null)
+        if (standingState.CurrentState is not StandingState.Lying)
+            return false;
+
+        standingState.CurrentState = StandingState.GettingUp;
+        var doargs = new DoAfterArgs(EntityManager, uid, standingState.StandingUpTime,
+            new StandingUpDoAfterEvent(), uid)
+        {
+            BreakOnUserMove = false,
+            BreakOnDamage = false,
+            BreakOnHandChange = false
+        };
+
+        _doAfter.TryStartDoAfter(doargs);
+        return true;
+    }
+
+    public bool TryLieDown(EntityUid uid, StandingStateComponent? standingState = null)
+    {
+        if (!Resolve(uid, ref standingState, false))
+            return false;
+
+        if (standingState.CurrentState is not StandingState.Standing)
+        {
+            return false;
+        }
+
+        Down(uid, true, false, standingState);
+        _movement.RefreshMovementSpeedModifiers(uid);
+        return true;
+    }
+   
+    // WD EDIT END
+    
+    public bool IsDown(EntityUid uid, StandingStateComponent? standingState = null)
+    {
+        if (!Resolve(uid, ref standingState, false))
+            return false;
+
+        return standingState.CurrentState is StandingState.Lying or StandingState.GettingUp;
+    }
+
+    public bool Down(
+        EntityUid uid,
+        bool playSound = true,
+        bool dropHeldItems = true,
+        StandingStateComponent? standingState = null,
+        AppearanceComponent? appearance = null,
+        HandsComponent? hands = null)
+    {
+        // TODO: This should actually log missing comps...
+        if (!Resolve(uid, ref standingState, false))
+            return false;
+
+        // Optional component.
+        Resolve(uid, ref appearance, ref hands, false);
+
+        if (standingState.CurrentState is StandingState.Lying or StandingState.GettingUp) 
+            return true;
+
+        // This is just to avoid most callers doing this manually saving boilerplate
+        // 99% of the time you'll want to drop items but in some scenarios (e.g. buckling) you don't want to.
+        // We do this BEFORE downing because something like buckle may be blocking downing but we want to drop hand items anyway
+        // and ultimately this is just to avoid boilerplate in Down callers + keep their behavior consistent.
+        if (dropHeldItems && hands != null)
+        {
+            RaiseLocalEvent(uid, new DropHandItemsEvent());
+        }
+
+        var msg = new DownAttemptEvent();
+        RaiseLocalEvent(uid, msg);
+
+        if (msg.Cancelled)
+            return false;
+
+        standingState.CurrentState = StandingState.Lying;
+        Dirty(uid, standingState);
+        RaiseLocalEvent(uid, new DownedEvent());
+
+        // Seemed like the best place to put it
+        _appearance.SetData(uid, RotationVisuals.RotationState, RotationState.Horizontal, appearance);
+
+        // Change collision masks to allow going under certain entities like flaps and tables
+        if (TryComp(uid, out FixturesComponent? fixtureComponent))
+        {
+            foreach (var (key, fixture) in fixtureComponent.Fixtures)
             {
-                RaiseLocalEvent(uid, new DropHandItemsEvent(), false);
-            }
+                if ((fixture.CollisionMask & StandingCollisionLayer) == 0)
+                    continue;
 
-            var msg = new DownAttemptEvent();
-            RaiseLocalEvent(uid, msg, false);
+                standingState.ChangedFixtures.Add(key);
+                _physics.SetCollisionMask(uid, key, fixture, fixture.CollisionMask & ~StandingCollisionLayer,
+                    manager: fixtureComponent);
+            }
+        }
+
+        // check if component was just added or streamed to client
+        // if true, no need to play sound - mob was down before player could seen that
+        if (standingState.LifeStage <= ComponentLifeStage.Starting)
+            return true;
+
+        if (playSound)
+        {
+            _audio.PlayPredicted(standingState.DownSound, uid, uid);
+        }
+
+        return true;
+    }
+
+    public bool Stand(
+        EntityUid uid,
+        StandingStateComponent? standingState = null,
+        AppearanceComponent? appearance = null,
+        bool force = false)
+    {
+        // TODO: This should actually log missing comps...
+        if (!Resolve(uid, ref standingState, false))
+            return false;
+
+        // Optional component.
+        Resolve(uid, ref appearance, false);
+
+        if (standingState.CurrentState is StandingState.Standing)
+            return true;
+
+        if (!force)
+        {
+            var msg = new StandAttemptEvent();
+            RaiseLocalEvent(uid, msg);
 
             if (msg.Cancelled)
                 return false;
-
-            standingState.Standing = false;
-            Dirty(standingState);
-            RaiseLocalEvent(uid, new DownedEvent(), false);
-
-            // Seemed like the best place to put it
-            _appearance.SetData(uid, RotationVisuals.RotationState, RotationState.Horizontal, appearance);
-
-            // Change collision masks to allow going under certain entities like flaps and tables
-            if (TryComp(uid, out FixturesComponent? fixtureComponent))
-            {
-                foreach (var (key, fixture) in fixtureComponent.Fixtures)
-                {
-                    if ((fixture.CollisionMask & StandingCollisionLayer) == 0)
-                        continue;
-
-                    standingState.ChangedFixtures.Add(key);
-                    _physics.SetCollisionMask(uid, key, fixture, fixture.CollisionMask & ~StandingCollisionLayer, manager: fixtureComponent);
-                }
-            }
-
-            // check if component was just added or streamed to client
-            // if true, no need to play sound - mob was down before player could seen that
-            if (standingState.LifeStage <= ComponentLifeStage.Starting)
-                return true;
-
-            if (playSound)
-            {
-                _audio.PlayPredicted(standingState.DownSound, uid, uid);
-            }
-
-            return true;
         }
 
-        public bool Stand(EntityUid uid,
-            StandingStateComponent? standingState = null,
-            AppearanceComponent? appearance = null,
-            bool force = false)
+        standingState.CurrentState = StandingState.Standing;
+        Dirty(uid, standingState);
+        RaiseLocalEvent(uid, new StoodEvent());
+
+        _appearance.SetData(uid, RotationVisuals.RotationState, RotationState.Vertical, appearance);
+
+        if (TryComp(uid, out FixturesComponent? fixtureComponent))
         {
-            // TODO: This should actually log missing comps...
-            if (!Resolve(uid, ref standingState, false))
-                return false;
-
-            // Optional component.
-            Resolve(uid, ref appearance, false);
-
-            if (standingState.Standing)
-                return true;
-
-            if (!force)
+            foreach (var key in standingState.ChangedFixtures)
             {
-                var msg = new StandAttemptEvent();
-                RaiseLocalEvent(uid, msg, false);
-
-                if (msg.Cancelled)
-                    return false;
-            }
-
-            standingState.Standing = true;
-            Dirty(uid, standingState);
-            RaiseLocalEvent(uid, new StoodEvent(), false);
-
-            _appearance.SetData(uid, RotationVisuals.RotationState, RotationState.Vertical, appearance);
-
-            if (TryComp(uid, out FixturesComponent? fixtureComponent))
-            {
-                foreach (var key in standingState.ChangedFixtures)
+                if (fixtureComponent.Fixtures.TryGetValue(key, out var fixture))
                 {
-                    if (fixtureComponent.Fixtures.TryGetValue(key, out var fixture))
-                        _physics.SetCollisionMask(uid, key, fixture, fixture.CollisionMask | StandingCollisionLayer, fixtureComponent);
+                    _physics.SetCollisionMask(uid, key, fixture, fixture.CollisionMask | StandingCollisionLayer,
+                        fixtureComponent);
                 }
             }
-            standingState.ChangedFixtures.Clear();
-
-            return true;
         }
-    }
 
-    public sealed class DropHandItemsEvent : EventArgs
-    {
-    }
+        standingState.ChangedFixtures.Clear();
 
-    /// <summary>
-    /// Subscribe if you can potentially block a down attempt.
-    /// </summary>
-    public sealed class DownAttemptEvent : CancellableEntityEventArgs
-    {
-    }
-
-    /// <summary>
-    /// Subscribe if you can potentially block a stand attempt.
-    /// </summary>
-    public sealed class StandAttemptEvent : CancellableEntityEventArgs
-    {
-    }
-
-    /// <summary>
-    /// Raised when an entity becomes standing
-    /// </summary>
-    public sealed class StoodEvent : EntityEventArgs
-    {
-    }
-
-    /// <summary>
-    /// Raised when an entity is not standing
-    /// </summary>
-    public sealed class DownedEvent : EntityEventArgs
-    {
+        return true;
     }
 }
+
+public sealed class DropHandItemsEvent : EventArgs
+{
+}
+
+/// <summary>
+/// Subscribe if you can potentially block a down attempt.
+/// </summary>
+public sealed class DownAttemptEvent : CancellableEntityEventArgs
+{
+}
+
+/// <summary>
+/// Subscribe if you can potentially block a stand attempt.
+/// </summary>
+public sealed class StandAttemptEvent : CancellableEntityEventArgs
+{
+}
+
+/// <summary>
+/// Raised when an entity becomes standing
+/// </summary>
+public sealed class StoodEvent : EntityEventArgs
+{
+}
+
+/// <summary>
+/// Raised when an entity is not standing
+/// </summary>
+public sealed class DownedEvent : EntityEventArgs
+{
+}
+
+// WD EDIT
+[Serializable, NetSerializable]
+public sealed partial class StandingUpDoAfterEvent : SimpleDoAfterEvent
+{
+}

Content.Shared/Weapons/Ranged/Components/GunComponent.cs

@@ -229,6 +229,9 @@ public sealed partial class GunComponent : Component
     public bool ClumsyProof = false;
 
     // WD START
+
+    public EntityUid? Target;
+    
     [DataField("forceThrowingAngle")]
     [ViewVariables(VVAccess.ReadWrite)]
     public bool ForceThrowingAngle;

Content.Shared/Weapons/Ranged/Events/RequestShootEvent.cs

@@ -9,6 +9,7 @@ namespace Content.Shared.Weapons.Ranged.Events;
 [Serializable, NetSerializable]
 public sealed class RequestShootEvent : EntityEventArgs
 {
+    public NetEntity? Target;
     public NetEntity Gun;
     public NetCoordinates Coordinates;
 }

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.cs

@@ -144,6 +144,7 @@ public abstract partial class SharedGunSystem : EntitySystem
             return;
 
         gun.ShootCoordinates = GetCoordinates(msg.Coordinates);
+        gun.Target =  GetEntity(msg.Target);
         Log.Debug($"Set shoot coordinates to {gun.ShootCoordinates}");
         AttemptShoot(user.Value, ent, gun);
     }
@@ -558,6 +559,12 @@ public abstract partial class SharedGunSystem : EntitySystem
 [ByRefEvent]
 public record struct AttemptShootEvent(EntityUid User, string? Message, bool Cancelled = false, bool ThrowItems = false);
 
+/// <summary>
+///     Raised when an entity is just about to be hit with a hitscan
+/// </summary>
+[ByRefEvent]
+public record struct HitscanHitAttemptEvent(EntityUid HitEntity, EntityUid? Target, bool Cancelled = false);
+
 /// <summary>
 ///     Raised directed on the gun after firing.
 /// </summary>

Resources/Locale/en-US/escape-menu/ui/options-menu.ftl

@@ -134,6 +134,7 @@ ui-options-function-examine-entity = Examine
 ui-options-function-swap-hands = Swap hands
 ui-options-function-move-stored-item = Move stored item
 ui-options-function-rotate-stored-item = Rotate stored item
+ui-options-function-lie-down = Lie down/Get up
 ui-options-static-storage-ui = Lock storage window to hotbar
 
 ui-options-function-smart-equip-backpack = Smart-equip to backpack

Resources/Locale/ru-RU/escape-menu/ui/options-menu.ftl

@@ -136,6 +136,7 @@ ui-options-function-examine-entity = Изучить
 ui-options-function-swap-hands = Поменять руки
 ui-options-function-move-stored-item = Переместить хранящийся объект
 ui-options-function-rotate-stored-item = Повернуть хранящийся объект
+ui-options-function-lie-down = Лечь/встать
 ui-options-static-storage-ui = Закрепить интерфейс хранилища на хотбаре
 
 ui-options-function-smart-equip-backpack = Умная экипировка в рюкзак

Resources/Prototypes/Entities/Mobs/Species/base.yml

@@ -177,6 +177,7 @@
   - type: SleepEmitSound
   - type: SSDIndicator
   - type: StandingState
+    canLieDown: true
   - type: Fingerprint
   - type: Dna
   - type: MindContainer

Resources/keybinds.yml

@@ -527,3 +527,6 @@ binds:
 - function: Hotbar9
   type: State
   key: Num9
+- function: LieDown
+  type: State
+  key: U