Hot potato on fire (#16017)

Content.Shared/Damage/Components/DamageOnHoldingComponent.cs

@@ -0,0 +1,33 @@
+using Content.Shared.Damage.Systems;
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Shared.Damage.Components;
+
+[RegisterComponent, NetworkedComponent]
+[AutoGenerateComponentState]
+[Access(typeof(DamageOnHoldingSystem))]
+public sealed partial class DamageOnHoldingComponent : Component
+{
+    [DataField("enabled"), ViewVariables(VVAccess.ReadWrite)]
+    [AutoNetworkedField]
+    public bool Enabled = true;
+
+    /// <summary>
+    /// Damage per interval dealt to entity holding the entity with this component
+    /// </summary>
+    [DataField("damage"), ViewVariables(VVAccess.ReadWrite)]
+    public DamageSpecifier Damage = new();
+    // TODO: make it networked
+
+    /// <summary>
+    /// Delay between damage events in seconds
+    /// </summary>
+    [DataField("interval"), ViewVariables(VVAccess.ReadWrite)]
+    [AutoNetworkedField]
+    public float Interval = 1f;
+
+    [DataField("nextDamage", customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
+    [AutoNetworkedField]
+    public TimeSpan NextDamage = TimeSpan.Zero;
+}