Add spear embedding (#18578)

* Add spear embedding

* fuck this copy-paste

* Juicier

* the river

Content.Server/Explosion/EntitySystems/ExplosionSystem.Processing.cs

@@ -435,7 +435,6 @@ public sealed partial class ExplosionSystem : EntitySystem
                 physics,
                 xform,
                 projectileQuery,
-                tagQuery,
                 throwForce);
         }
 

Content.Shared/Projectiles/EmbeddableProjectileComponent.cs

@@ -1,12 +1,36 @@
+using System.Numerics;
 using Robust.Shared.GameStates;
 
-namespace Content.Shared.Weapons.Ranged.Components;
+namespace Content.Shared.Projectiles;
 
 /// <summary>
 /// Embeds this entity inside of the hit target.
 /// </summary>
-[RegisterComponent, NetworkedComponent]
-public sealed class EmbeddableProjectileComponent : Component
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class EmbeddableProjectileComponent : Component
 {
+    /// <summary>
+    /// Minimum speed of the projectile to embed.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("minimumSpeed"), AutoNetworkedField]
+    public float MinimumSpeed = 5f;
 
+    /// <summary>
+    /// Delete the entity on embedded removal?
+    /// Does nothing if there's no RemovalTime.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("deleteOnRemove"), AutoNetworkedField]
+    public bool DeleteOnRemove;
+
+    /// <summary>
+    /// How long it takes to remove the embedded object.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("removalTime"), AutoNetworkedField]
+    public float? RemovalTime = 3f;
+
+    /// <summary>
+    /// How far into the entity should we offset (0 is wherever we collided).
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("offset"), AutoNetworkedField]
+    public Vector2 Offset = Vector2.Zero;
 }

Content.Shared/Projectiles/SharedProjectileSystem.cs

@@ -1,8 +1,14 @@
 using System.Numerics;
+using Content.Shared.DoAfter;
+using Content.Shared.Interaction;
 using Content.Shared.Projectiles;
+using Content.Shared.Sound.Components;
+using Content.Shared.Throwing;
 using Content.Shared.Weapons.Ranged.Components;
 using Robust.Shared.Map;
+using Robust.Shared.Network;
 using Robust.Shared.Physics;
+using Robust.Shared.Physics.Components;
 using Robust.Shared.Physics.Events;
 using Robust.Shared.Physics.Systems;
 using Robust.Shared.Serialization;
@@ -13,6 +19,8 @@ namespace Content.Shared.Projectiles
     {
         public const string ProjectileFixture = "projectile";
 
+        [Dependency] private readonly INetManager _netManager = default!;
+        [Dependency] private readonly SharedDoAfterSystem _doAfter = default!;
         [Dependency] private readonly SharedPhysicsSystem _physics = default!;
         [Dependency] private readonly SharedTransformSystem _transform = default!;
 
@@ -20,19 +28,77 @@ namespace Content.Shared.Projectiles
         {
             base.Initialize();
             SubscribeLocalEvent<ProjectileComponent, PreventCollideEvent>(PreventCollision);
-            SubscribeLocalEvent<EmbeddableProjectileComponent, StartCollideEvent>(OnEmbedCollide);
+            SubscribeLocalEvent<EmbeddableProjectileComponent, ProjectileCollideEvent>(OnEmbedProjectileCollide);
+            SubscribeLocalEvent<EmbeddableProjectileComponent, ThrowDoHitEvent>(OnEmbedThrowDoHit);
+            SubscribeLocalEvent<EmbeddableProjectileComponent, ActivateInWorldEvent>(OnEmbedActivate);
+            SubscribeLocalEvent<EmbeddableProjectileComponent, RemoveEmbeddedProjectileEvent>(OnEmbedRemove);
         }
 
-        private void OnEmbedCollide(EntityUid uid, EmbeddableProjectileComponent component, ref StartCollideEvent args)
+        private void OnEmbedActivate(EntityUid uid, EmbeddableProjectileComponent component, ActivateInWorldEvent args)
         {
-            if (!TryComp<ProjectileComponent>(uid, out var projectile))
+            // Nuh uh
+            if (component.RemovalTime == null)
                 return;
 
-            _physics.SetLinearVelocity(uid, Vector2.Zero, body: args.OurBody);
-            _physics.SetBodyType(uid, BodyType.Static, body: args.OurBody);
-            _transform.SetParent(uid, args.OtherEntity);
-            var ev = new ProjectileEmbedEvent(projectile.Shooter, projectile.Weapon, args.OtherEntity);
-            RaiseLocalEvent(uid, ref ev);
+            _doAfter.TryStartDoAfter(new DoAfterArgs(args.User, component.RemovalTime.Value,
+                new RemoveEmbeddedProjectileEvent(), eventTarget: uid, target: uid)
+            {
+                DistanceThreshold = SharedInteractionSystem.InteractionRange,
+            });
+        }
+
+        private void OnEmbedRemove(EntityUid uid, EmbeddableProjectileComponent component, RemoveEmbeddedProjectileEvent args)
+        {
+            // Whacky prediction issues.
+            if (args.Cancelled || _netManager.IsClient)
+                return;
+
+            if (component.DeleteOnRemove)
+            {
+                QueueDel(uid);
+                return;
+            }
+
+            var xform = Transform(uid);
+            TryComp<PhysicsComponent>(uid, out var physics);
+            _physics.SetBodyType(uid, BodyType.Dynamic, body: physics, xform: xform);
+            _transform.AttachToGridOrMap(uid, xform);
+
+            // Land it just coz uhhh yeah
+            var landEv = new LandEvent(args.User, true);
+            RaiseLocalEvent(uid, ref landEv);
+            _physics.WakeBody(uid, body: physics);
+        }
+
+        private void OnEmbedThrowDoHit(EntityUid uid, EmbeddableProjectileComponent component, ThrowDoHitEvent args)
+        {
+            Embed(uid, args.Target, component);
+        }
+
+        private void OnEmbedProjectileCollide(EntityUid uid, EmbeddableProjectileComponent component, ref ProjectileCollideEvent args)
+        {
+            Embed(uid, args.OtherEntity, component);
+
+            // Raise a specific event for projectiles.
+            if (TryComp<ProjectileComponent>(uid, out var projectile))
+            {
+                var ev = new ProjectileEmbedEvent(projectile.Shooter, projectile.Weapon, args.OtherEntity);
+                RaiseLocalEvent(uid, ref ev);
+            }
+        }
+
+        private void Embed(EntityUid uid, EntityUid target, EmbeddableProjectileComponent component)
+        {
+            TryComp<PhysicsComponent>(uid, out var physics);
+            _physics.SetLinearVelocity(uid, Vector2.Zero, body: physics);
+            _physics.SetBodyType(uid, BodyType.Static, body: physics);
+            var xform = Transform(uid);
+            _transform.SetParent(uid, xform, target);
+
+            if (component.Offset != Vector2.Zero)
+            {
+                _transform.SetLocalPosition(xform, xform.LocalPosition + xform.LocalRotation.RotateVec(component.Offset));
+            }
         }
 
         private void PreventCollision(EntityUid uid, ProjectileComponent component, ref PreventCollideEvent args)
@@ -49,7 +115,13 @@ namespace Content.Shared.Projectiles
                 return;
 
             component.Shooter = uid;
-            Dirty(component);
+            Dirty(uid, component);
+        }
+
+        [Serializable, NetSerializable]
+        private sealed class RemoveEmbeddedProjectileEvent : DoAfterEvent
+        {
+            public override DoAfterEvent Clone() => this;
         }
     }
 

Content.Shared/Throwing/LandEvent.cs

@@ -1,5 +1,3 @@
-using JetBrains.Annotations;
-
 namespace Content.Shared.Throwing
 {
     /// <summary>

Content.Shared/Throwing/ThrowingAngleComponent.cs

@@ -0,0 +1,19 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Throwing;
+
+/// <summary>
+/// When thrown applies a specific angle to the thrown entity.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class ThrowingAngleComponent : Component
+{
+    /// <summary>
+    /// Do we apply throwing spin to the entity.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("angularVelocity"), AutoNetworkedField]
+    public bool AngularVelocity;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("angle"), AutoNetworkedField]
+    public Angle Angle;
+}

Content.Shared/Throwing/ThrowingSystem.cs

@@ -75,7 +75,6 @@ public sealed class ThrowingSystem : EntitySystem
             physics,
             Transform(uid),
             projectileQuery,
-            tagQuery,
             strength,
             user,
             pushbackRatio,
@@ -94,7 +93,6 @@ public sealed class ThrowingSystem : EntitySystem
         PhysicsComponent physics,
         TransformComponent transform,
         EntityQuery<ProjectileComponent> projectileQuery,
-        EntityQuery<TagComponent> tagQuery,
         float strength = 1.0f,
         EntityUid? user = null,
         float pushbackRatio = PushbackDefault,
@@ -105,7 +103,7 @@ public sealed class ThrowingSystem : EntitySystem
 
         if ((physics.BodyType & (BodyType.Dynamic | BodyType.KinematicController)) == 0x0)
         {
-            Logger.Warning($"Tried to throw entity {ToPrettyString(uid)} but can't throw {physics.BodyType} bodies!");
+            Log.Warning($"Tried to throw entity {ToPrettyString(uid)} but can't throw {physics.BodyType} bodies!");
             return;
         }
 
@@ -114,12 +112,21 @@ public sealed class ThrowingSystem : EntitySystem
 
         var comp = EnsureComp<ThrownItemComponent>(uid);
         comp.Thrower = user;
+        ThrowingAngleComponent? throwingAngle = null;
 
         // Give it a l'il spin.
-        if (physics.InvI > 0f && (!tagQuery.TryGetComponent(uid, out var tag) || !_tagSystem.HasTag(tag, "NoSpinOnThrow")))
+        if (physics.InvI > 0f && (!TryComp(uid, out throwingAngle) || throwingAngle.AngularVelocity))
+        {
             _physics.ApplyAngularImpulse(uid, ThrowAngularImpulse / physics.InvI, body: physics);
+        }
         else
-            transform.LocalRotation = direction.ToWorldAngle() - Math.PI;
+        {
+            Resolve(uid, ref throwingAngle, false);
+            var gridRot = _transform.GetWorldRotation(transform.ParentUid);
+            var angle = direction.ToWorldAngle() - gridRot;
+            var offset = throwingAngle?.Angle ?? Angle.Zero;
+            _transform.SetLocalRotation(uid, angle + offset);
+        }
 
         if (user != null)
             _interactionSystem.ThrownInteraction(user.Value, uid);

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/pie.yml

@@ -25,7 +25,6 @@
     count: 4
   - type: Tag
     tags:
-    - NoSpinOnThrow
     - Pie
 
 - type: entity
@@ -50,9 +49,6 @@
           Quantity: 1.2
         - ReagentId: Vitamin
           Quantity: 1
-  - type: Tag
-    tags:
-    - NoSpinOnThrow
 
 # Pie
 

Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml

@@ -705,7 +705,9 @@
   noSpawn: true
   components:
     - type: EmbeddableProjectile
+      deleteOnRemove: true
     - type: Clickable
+    - type: InteractionOutline
     - type: Sprite
       noRot: false
       sprite: Objects/Weapons/Guns/Launchers/grappling_gun.rsi

Resources/Prototypes/Entities/Objects/Weapons/Melee/spear.yml

@@ -4,9 +4,27 @@
   id: Spear
   description: Definition of a Classic. Keeping murder affordable since 200,000 BCE.
   components:
+  - type: EmbeddableProjectile
+    offset: 0.15,0.15
+  - type: ThrowingAngle
+    angle: 225
   - type: Tag
     tags:
     - Spear
+  - type: Fixtures
+    fixtures:
+      fix1:
+        shape: !type:PolygonShape
+          vertices:
+            - -0.40,-0.30
+            - -0.30,-0.40
+            - 0.40,0.30
+            - 0.30,0.40
+        density: 20
+        mask:
+        - ItemMask
+        restitution: 0.3
+        friction: 0.2
   - type: Sharp
   - type: Sprite
     sprite: Objects/Weapons/Melee/spear.rsi

Resources/Prototypes/tags.yml

@@ -589,8 +589,6 @@
 - type: Tag
   id: Multitool
 
-- type: Tag
-  id: NoSpinOnThrow
 
 - type: Tag
   id: NoBlockAnchoring