JumpBoots Attempt №2 (#36862)

Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>
Co-authored-by: unknown <wainzor1337@gmail.com>
Co-authored-by: ScarKy0 <scarky0@onet.eu>

Content.Shared/Movement/Systems/SharedJumpAbilitySystem.cs

@@ -0,0 +1,35 @@
+using Content.Shared.Gravity;
+using Content.Shared.Movement.Components;
+using Content.Shared.Throwing;
+using Robust.Shared.Audio.Systems;
+
+namespace Content.Shared.Movement.Systems;
+
+public sealed partial class SharedJumpAbilitySystem : EntitySystem
+{
+    [Dependency] private readonly ThrowingSystem _throwing = default!;
+    [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly SharedGravitySystem _gravity = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<JumpAbilityComponent, GravityJumpEvent>(OnGravityJump);
+    }
+
+    private void OnGravityJump(Entity<JumpAbilityComponent> entity, ref GravityJumpEvent args)
+    {
+        if (_gravity.IsWeightless(args.Performer))
+            return;
+
+        var xform = Transform(args.Performer);
+        var throwing = xform.LocalRotation.ToWorldVec() * entity.Comp.JumpDistance;
+        var direction = xform.Coordinates.Offset(throwing); // to make the character jump in the direction he's looking
+
+        _throwing.TryThrow(args.Performer, direction, entity.Comp.JumpThrowSpeed);
+
+        _audio.PlayPredicted(entity.Comp.JumpSound, args.Performer, args.Performer);
+        args.Handled = true;
+    }
+}