Add spear embedding (#18578)

* Add spear embedding

* fuck this copy-paste

* Juicier

* the river

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;
 }