Cursed Mask (#29659)

* Cursed Mask

* extra expressions

* block ingestion

* mind returning

* okay fix the removal shit

Content.Shared/Clothing/SharedCursedMaskSystem.cs

@@ -0,0 +1,73 @@
+using Content.Shared.Clothing.Components;
+using Content.Shared.Damage;
+using Content.Shared.Examine;
+using Content.Shared.Inventory;
+using Content.Shared.Movement.Systems;
+using Robust.Shared.Random;
+using Robust.Shared.Timing;
+
+namespace Content.Shared.Clothing;
+
+/// <summary>
+/// This handles <see cref="CursedMaskComponent"/>
+/// </summary>
+public abstract class SharedCursedMaskSystem : EntitySystem
+{
+    [Dependency] private readonly IGameTiming _timing = default!;
+    [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
+    [Dependency] private readonly MovementSpeedModifierSystem _movementSpeedModifier = default!;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<CursedMaskComponent, ClothingGotEquippedEvent>(OnClothingEquip);
+        SubscribeLocalEvent<CursedMaskComponent, ClothingGotUnequippedEvent>(OnClothingUnequip);
+        SubscribeLocalEvent<CursedMaskComponent, ExaminedEvent>(OnExamine);
+
+        SubscribeLocalEvent<CursedMaskComponent, InventoryRelayedEvent<RefreshMovementSpeedModifiersEvent>>(OnMovementSpeedModifier);
+        SubscribeLocalEvent<CursedMaskComponent, InventoryRelayedEvent<DamageModifyEvent>>(OnModifyDamage);
+    }
+
+    private void OnClothingEquip(Entity<CursedMaskComponent> ent, ref ClothingGotEquippedEvent args)
+    {
+        RandomizeCursedMask(ent, args.Wearer);
+        TryTakeover(ent, args.Wearer);
+    }
+
+    protected virtual void OnClothingUnequip(Entity<CursedMaskComponent> ent, ref ClothingGotUnequippedEvent args)
+    {
+        RandomizeCursedMask(ent, args.Wearer);
+    }
+
+    private void OnExamine(Entity<CursedMaskComponent> ent, ref ExaminedEvent args)
+    {
+        args.PushMarkup(Loc.GetString($"cursed-mask-examine-{ent.Comp.CurrentState.ToString()}"));
+    }
+
+    private void OnMovementSpeedModifier(Entity<CursedMaskComponent> ent, ref InventoryRelayedEvent<RefreshMovementSpeedModifiersEvent> args)
+    {
+        if (ent.Comp.CurrentState == CursedMaskExpression.Joy)
+            args.Args.ModifySpeed(ent.Comp.JoySpeedModifier);
+    }
+
+    private void OnModifyDamage(Entity<CursedMaskComponent> ent, ref InventoryRelayedEvent<DamageModifyEvent> args)
+    {
+        if (ent.Comp.CurrentState == CursedMaskExpression.Despair)
+            args.Args.Damage = DamageSpecifier.ApplyModifierSet(args.Args.Damage, ent.Comp.DespairDamageModifier);
+    }
+
+    protected void RandomizeCursedMask(Entity<CursedMaskComponent> ent, EntityUid wearer)
+    {
+        var random = new System.Random((int) _timing.CurTick.Value);
+        ent.Comp.CurrentState = random.Pick(Enum.GetValues<CursedMaskExpression>());
+        _appearance.SetData(ent, CursedMaskVisuals.State, ent.Comp.CurrentState);
+        _movementSpeedModifier.RefreshMovementSpeedModifiers(wearer);
+    }
+
+    protected virtual void TryTakeover(Entity<CursedMaskComponent> ent, EntityUid wearer)
+    {
+
+    }
+}