mics

Content.Server/ADT/NightVision/NightVisionSystem.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Content.Shared.ADT.NightVision;
+
+namespace Content.Server.ADT.NightVision;
+
+public sealed class NightVisionSystem : SharedNightVisionSystem;

Content.Shared/ADT/NightVision/ADTNightVisionVisibleComponent.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.ADT.NightVision;
+
+/// <summary>
+/// For rendering sprites on top of FOV when the user has a <see cref="NightVisionComponent"/>.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class NightVisionVisibleComponent : Component
+{
+    /// <summary>
+    /// Priority for rendering order.
+    /// Rendered from lowest to highest, which means higher numbers will be rendered above lower numbers.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public int Priority = 0;
+
+    /// <summary>
+    /// Transparency of the rendered sprite.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float? Transparency = null;
+}

Content.Shared/ADT/NightVision/NightVisionComponent.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Content.Shared.Alert;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.ADT.NightVision;
+
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState(true)]
+[Access(typeof(SharedNightVisionSystem))]
+public sealed partial class NightVisionComponent : Component
+{
+    [DataField]
+    public ProtoId<AlertPrototype>? Alert;
+
+    [DataField, AutoNetworkedField]
+    public NightVisionState State = NightVisionState.Full;
+
+    [DataField, AutoNetworkedField]
+    public bool Overlay;
+
+    [DataField, AutoNetworkedField]
+    public bool Innate;
+
+    [DataField, AutoNetworkedField]
+    public bool SeeThroughContainers;
+}
+
+[Serializable, NetSerializable]
+public enum NightVisionState
+{
+    Off,
+    Half,
+    Full
+}
+
+public sealed partial class ToggleNightVision : BaseAlertEvent;

Content.Shared/ADT/NightVision/NightVisionItemComponent.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Content.Shared.Inventory;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.ADT.NightVision;
+
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+[Access(typeof(SharedNightVisionSystem))]
+public sealed partial class NightVisionItemComponent : Component
+{
+    [DataField, AutoNetworkedField]
+    public EntProtoId ActionId = "ActionToggleNinjaNightVision";
+
+    [DataField, AutoNetworkedField]
+    public EntityUid? Action;
+
+    [DataField, AutoNetworkedField]
+    public EntityUid? User;
+
+    [DataField, AutoNetworkedField]
+    public bool Toggleable = true;
+
+    // Only allows for a single slotflag right now because some code uses strings and some code uses enums to determine slots :(
+    [DataField, AutoNetworkedField]
+    public SlotFlags SlotFlags { get; set; } = SlotFlags.EYES;
+}

Content.Shared/ADT/NightVision/NightVisionItemVisuals.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.ADT.NightVision;
+
+[Serializable, NetSerializable]
+public enum NightVisionItemVisuals
+{
+    Active,
+}

Content.Shared/ADT/NightVision/SharedNightVisionSystem.cs

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+// taken and adapted from https://github.com/RMC-14/RMC-14?ysclid=lzx00zxd6e53093995
+
+using Content.Shared.Actions;
+using Content.Shared.Alert;
+using Content.Shared.Inventory.Events;
+using Content.Shared.Rounding;
+using Content.Shared.Toggleable;
+using Robust.Shared.Timing;
+
+namespace Content.Shared.ADT.NightVision;
+
+public abstract class SharedNightVisionSystem : EntitySystem
+{
+    [Dependency] private readonly SharedActionsSystem _actions = default!;
+    [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
+    [Dependency] private readonly AlertsSystem _alerts = default!;
+    [Dependency] private readonly IGameTiming _timing = default!;
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<NightVisionComponent, ComponentStartup>(OnNightVisionStartup);
+        SubscribeLocalEvent<NightVisionComponent, MapInitEvent>(OnNightVisionMapInit);
+        SubscribeLocalEvent<NightVisionComponent, AfterAutoHandleStateEvent>(OnNightVisionAfterHandle);
+        SubscribeLocalEvent<NightVisionComponent, ComponentRemove>(OnNightVisionRemove);
+
+        SubscribeLocalEvent<NightVisionItemComponent, GetItemActionsEvent>(OnNightVisionItemGetActions);
+        SubscribeLocalEvent<NightVisionItemComponent, ToggleActionEvent>(OnNightVisionItemToggle);
+        SubscribeLocalEvent<NightVisionItemComponent, GotEquippedEvent>(OnNightVisionItemGotEquipped);
+        SubscribeLocalEvent<NightVisionItemComponent, GotUnequippedEvent>(OnNightVisionItemGotUnequipped);
+        SubscribeLocalEvent<NightVisionItemComponent, ActionRemovedEvent>(OnNightVisionItemActionRemoved);
+        SubscribeLocalEvent<NightVisionItemComponent, ComponentRemove>(OnNightVisionItemRemove);
+        SubscribeLocalEvent<NightVisionItemComponent, EntityTerminatingEvent>(OnNightVisionItemTerminating);
+    }
+
+    private void OnNightVisionStartup(Entity<NightVisionComponent> ent, ref ComponentStartup args)
+    {
+        NightVisionChanged(ent);
+    }
+
+    private void OnNightVisionAfterHandle(Entity<NightVisionComponent> ent, ref AfterAutoHandleStateEvent args)
+    {
+        NightVisionChanged(ent);
+    }
+
+    private void OnNightVisionMapInit(Entity<NightVisionComponent> ent, ref MapInitEvent args)
+    {
+        UpdateAlert(ent);
+    }
+
+    private void OnNightVisionRemove(Entity<NightVisionComponent> ent, ref ComponentRemove args)
+    {
+        if (ent.Comp.Alert is { } alert)
+            _alerts.ClearAlert(ent, alert);
+
+        NightVisionRemoved(ent);
+    }
+
+    private void OnNightVisionItemGetActions(Entity<NightVisionItemComponent> ent, ref GetItemActionsEvent args)
+    {
+        if (args.InHands || !ent.Comp.Toggleable)
+            return;
+
+        if (ent.Comp.SlotFlags != args.SlotFlags)
+            return;
+
+        args.AddAction(ref ent.Comp.Action, ent.Comp.ActionId);
+    }
+
+    private void OnNightVisionItemToggle(Entity<NightVisionItemComponent> ent, ref ToggleActionEvent args)
+    {
+        if (args.Handled)
+            return;
+
+        args.Handled = true;
+        ToggleNightVisionItem(ent, args.Performer);
+    }
+
+    private void OnNightVisionItemGotEquipped(Entity<NightVisionItemComponent> ent, ref GotEquippedEvent args)
+    {
+        if (ent.Comp.SlotFlags != args.SlotFlags)
+            return;
+
+        EnableNightVisionItem(ent, args.Equipee);
+    }
+
+    private void OnNightVisionItemGotUnequipped(Entity<NightVisionItemComponent> ent, ref GotUnequippedEvent args)
+    {
+        if (ent.Comp.SlotFlags != args.SlotFlags)
+            return;
+
+        DisableNightVisionItem(ent, args.Equipee);
+    }
+
+    private void OnNightVisionItemActionRemoved(Entity<NightVisionItemComponent> ent, ref ActionRemovedEvent args)
+    {
+        DisableNightVisionItem(ent, ent.Comp.User);
+    }
+
+    private void OnNightVisionItemRemove(Entity<NightVisionItemComponent> ent, ref ComponentRemove args)
+    {
+        DisableNightVisionItem(ent, ent.Comp.User);
+    }
+
+    private void OnNightVisionItemTerminating(Entity<NightVisionItemComponent> ent, ref EntityTerminatingEvent args)
+    {
+        DisableNightVisionItem(ent, ent.Comp.User);
+    }
+
+    public void Toggle(Entity<NightVisionComponent?> ent)
+    {
+        if (!Resolve(ent, ref ent.Comp))
+            return;
+
+        ent.Comp.State = ent.Comp.State switch
+        {
+            NightVisionState.Off => NightVisionState.Half,
+            NightVisionState.Half => NightVisionState.Full,
+            NightVisionState.Full => NightVisionState.Off,
+            _ => throw new ArgumentOutOfRangeException(),
+        };
+
+        Dirty(ent);
+        UpdateAlert((ent, ent.Comp));
+    }
+
+    private void UpdateAlert(Entity<NightVisionComponent> ent)
+    {
+        if (ent.Comp.Alert is { } alert)
+        {
+            var level = MathF.Max((int) NightVisionState.Off, (int) ent.Comp.State);
+            var max = _alerts.GetMaxSeverity(alert);
+            var severity = max - ContentHelpers.RoundToLevels(level, (int) NightVisionState.Full, max + 1);
+            _alerts.ShowAlert(ent, alert, (short) severity);
+        }
+
+        NightVisionChanged(ent);
+    }
+
+    private void ToggleNightVisionItem(Entity<NightVisionItemComponent> item, EntityUid user)
+    {
+        if (item.Comp.User == user && item.Comp.Toggleable)
+        {
+            DisableNightVisionItem(item, item.Comp.User);
+            return;
+        }
+
+        EnableNightVisionItem(item, user);
+    }
+
+    private void EnableNightVisionItem(Entity<NightVisionItemComponent> item, EntityUid user)
+    {
+        DisableNightVisionItem(item, item.Comp.User);
+
+        item.Comp.User = user;
+        Dirty(item);
+
+        _appearance.SetData(item, NightVisionItemVisuals.Active, true);
+
+        if (!_timing.ApplyingState)
+        {
+            var nightVision = EnsureComp<NightVisionComponent>(user);
+            nightVision.State = NightVisionState.Full;
+            Dirty(user, nightVision);
+        }
+
+        _actions.SetToggled(item.Comp.Action, true);
+    }
+
+    protected virtual void NightVisionChanged(Entity<NightVisionComponent> ent)
+    {
+    }
+
+    protected virtual void NightVisionRemoved(Entity<NightVisionComponent> ent)
+    {
+    }
+
+    protected void DisableNightVisionItem(Entity<NightVisionItemComponent> item, EntityUid? user)
+    {
+        _actions.SetToggled(item.Comp.Action, false);
+
+        item.Comp.User = null;
+        Dirty(item);
+
+        _appearance.SetData(item, NightVisionItemVisuals.Active, false);
+
+        if (TryComp(user, out NightVisionComponent? nightVision) &&
+            !nightVision.Innate)
+        {
+            RemCompDeferred<NightVisionComponent>(user.Value);
+        }
+    }
+
+    public void SetSeeThroughContainers(Entity<NightVisionComponent?> ent, bool see)
+    {
+        if (!Resolve(ent, ref ent.Comp, false))
+            return;
+
+        ent.Comp.SeeThroughContainers = see;
+        Dirty(ent);
+    }
+}

Content.Shared/ADT/NightVision/ToggleNightVision.cs

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+//using Content.Shared.Alert;
+
+//namespace Content.Shared.ADT.NightVision;
+
+//[DataDefinition]
+//public sealed partial class ToggleNightVision : IAlertClick
+//{
+//    public void AlertClicked(EntityUid player)
+//    {
+//        var entities = IoCManager.Resolve<IEntityManager>();
+//        entities.System<SharedNightVisionSystem>().Toggle(player);
+//    }
+//}

Resources/Prototypes/_Silver/Surgery/implants.yml

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+#  - type: NightVisionItem # RMC Night vision
+#  - type: ItemToggle
+
+- type: entity
+  parent: BasicCyberneticEyes
+  id: NightVisionCyberneticEyes
+  name: cybernetic eyes
+  description: A pair of cybernetic eyes that enhance your vision, and protect you from eye damage.
+  components:
+  - type: Organ
+    onAdd:
+    - type: InstantAction
+      icon:
+        sprite: Clothing/Eyes/Glasses/ninjavisor.rsi
+        state: icon
+      iconOn:
+        sprite: Clothing/Eyes/Glasses/ninjavisor.rsi
+        state: icon
+      event: !type:ToggleActionEvent
+      useDelay: 0.25
+    - NightVisionComponent
+    - NightVisionItemComponent
+
+- type: entity
+  id: ActionToggleNinjaNightVision
+  categories: [HideSpawnMenu]
+  name: Toggle ninja visor nightvision
+  description: Allows you to see even in complete darkness.
+  components:
+  - type: InstantAction
+    icon:
+      sprite: Clothing/Eyes/Glasses/ninjavisor.rsi
+      state: icon
+    iconOn:
+      sprite: Clothing/Eyes/Glasses/ninjavisor.rsi
+      state: icon
+    event: !type:ToggleActionEvent
+    useDelay: 0.25