Crossbow (#327)

* Add powered crossbow

* Add spear embedding (#18578)

* Add spear embedding

* fuck this copy-paste

* Juicier

* the river

* Add crossbow embedding

* Fix crossbow construction

* Finish crossbow

* Remove unused

---------

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/White/Crossbow/ThrowDamageModifierSystem.cs

@@ -0,0 +1,43 @@
+using Content.Shared.Projectiles;
+using Content.Shared.Throwing;
+using Content.Shared.White.Crossbow;
+
+namespace Content.Server.White.Crossbow;
+
+public sealed class ThrowDamageModifierSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ThrowDamageModifierComponent, StopThrowEvent>(OnStopped);
+        SubscribeLocalEvent<ThrowDamageModifierComponent, EmbedStartEvent>(OnEmbedStart);
+        SubscribeLocalEvent<ThrowDamageModifierComponent, EmbedRemovedEvent>(OnEmbedRemoved);
+    }
+
+    private void OnEmbedStart(EntityUid uid, ThrowDamageModifierComponent component, ref EmbedStartEvent args)
+    {
+        component.ClearDamageOnRemove = true;
+
+        if (component.AddEmbedding)
+            args.Embed.PreventEmbedding = true;
+    }
+
+    private void OnEmbedRemoved(EntityUid uid, ThrowDamageModifierComponent component, EmbedRemovedEvent args)
+    {
+        if (!component.ClearDamageOnRemove)
+            return;
+
+        component.ClearDamageOnRemove = false;
+        component.Damage.DamageDict.Clear();
+
+        if (component.AddEmbedding)
+            RemComp<EmbeddableProjectileComponent>(uid);
+    }
+
+    private void OnStopped(EntityUid uid, ThrowDamageModifierComponent component, StopThrowEvent args)
+    {
+        if (!component.ClearDamageOnRemove)
+            component.Damage.DamageDict.Clear();
+    }
+}