Files
tbd-station-14/Content.Client/Overlays/EquipmentHudSystem.cs
2023-10-28 09:59:53 +11:00

117 lines
3.2 KiB
C#

using Content.Shared.GameTicking;
using Content.Shared.Inventory;
using Content.Shared.Inventory.Events;
using Robust.Client.Player;
namespace Content.Client.Overlays;
/// <summary>
/// This is a base system to make it easier to enable or disabling UI elements based on whether or not the player has
/// some component, either on their controlled entity on some worn piece of equipment.
/// </summary>
public abstract class EquipmentHudSystem<T> : EntitySystem where T : IComponent
{
[Dependency] private readonly IPlayerManager _player = default!;
protected bool IsActive;
protected virtual SlotFlags TargetSlots => ~SlotFlags.POCKET;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<T, ComponentStartup>(OnStartup);
SubscribeLocalEvent<T, ComponentRemove>(OnRemove);
SubscribeLocalEvent<LocalPlayerAttachedEvent>(OnPlayerAttached);
SubscribeLocalEvent<LocalPlayerDetachedEvent>(OnPlayerDetached);
SubscribeLocalEvent<T, GotEquippedEvent>(OnCompEquip);
SubscribeLocalEvent<T, GotUnequippedEvent>(OnCompUnequip);
SubscribeLocalEvent<T, RefreshEquipmentHudEvent<T>>(OnRefreshComponentHud);
SubscribeLocalEvent<T, InventoryRelayedEvent<RefreshEquipmentHudEvent<T>>>(OnRefreshEquipmentHud);
SubscribeLocalEvent<RoundRestartCleanupEvent>(OnRoundRestart);
}
private void Update(RefreshEquipmentHudEvent<T> ev)
{
IsActive = true;
UpdateInternal(ev);
}
public void Deactivate()
{
if (!IsActive)
return;
IsActive = false;
DeactivateInternal();
}
protected virtual void UpdateInternal(RefreshEquipmentHudEvent<T> args) { }
protected virtual void DeactivateInternal() { }
private void OnStartup(EntityUid uid, T component, ComponentStartup args)
{
RefreshOverlay(uid);
}
private void OnRemove(EntityUid uid, T component, ComponentRemove args)
{
RefreshOverlay(uid);
}
private void OnPlayerAttached(LocalPlayerAttachedEvent args)
{
RefreshOverlay(args.Entity);
}
private void OnPlayerDetached(LocalPlayerDetachedEvent args)
{
if (_player.LocalPlayer?.ControlledEntity == null)
Deactivate();
}
private void OnCompEquip(EntityUid uid, T component, GotEquippedEvent args)
{
RefreshOverlay(args.Equipee);
}
private void OnCompUnequip(EntityUid uid, T component, GotUnequippedEvent args)
{
RefreshOverlay(args.Equipee);
}
private void OnRoundRestart(RoundRestartCleanupEvent args)
{
Deactivate();
}
protected virtual void OnRefreshEquipmentHud(EntityUid uid, T component, InventoryRelayedEvent<RefreshEquipmentHudEvent<T>> args)
{
args.Args.Active = true;
}
protected virtual void OnRefreshComponentHud(EntityUid uid, T component, RefreshEquipmentHudEvent<T> args)
{
args.Active = true;
}
private void RefreshOverlay(EntityUid uid)
{
if (uid != _player.LocalPlayer?.ControlledEntity)
return;
var ev = new RefreshEquipmentHudEvent<T>(TargetSlots);
RaiseLocalEvent(uid, ev);
if (ev.Active)
Update(ev);
else
Deactivate();
}
}