projectEli/Assets/NeoFPS/Core/HUD/WieldableHudBase.cs

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2022-11-07 01:28:33 +00:00
using UnityEngine;
using UnityEngine.UI;
namespace NeoFPS
{
public abstract class WieldableHudBase : MonoBehaviour, IPlayerCharacterSubscriber
{
IPlayerCharacterWatcher m_Watcher = null;
protected virtual bool isValid
{
get { return true; }
}
protected FpsInventoryWieldable currentWieldable
{
get;
private set;
}
protected virtual FpsInventoryBase inventory
{
get;
private set;
}
protected virtual void Awake()
{
if (isValid)
{
m_Watcher = GetComponentInParent<IPlayerCharacterWatcher>();
if (m_Watcher == null)
Debug.LogError("Player inventory HUD items require a component that implements IPlayerCharacterWatcher in the parent heirarchy", gameObject);
}
else
gameObject.SetActive(false);
}
protected virtual void Start()
{
if (m_Watcher != null)
m_Watcher.AttachSubscriber(this);
}
protected virtual void OnDestroy()
{
if (m_Watcher != null)
m_Watcher.ReleaseSubscriber(this);
OnPlayerCharacterChanged(null);
}
public void OnPlayerCharacterChanged(ICharacter c)
{
if (inventory != null)
{
inventory.onSelectionChanged -= OnWieldableSelectionChanged;
OnWieldableSelectionChanged(0, null);
}
if (c as Component != null)
inventory = c.GetComponent<FpsInventoryBase>();
else
inventory = null;
if (inventory != null)
{
inventory.onSelectionChanged += OnWieldableSelectionChanged;
OnWieldableSelectionChanged(0, inventory.selected);
}
}
void OnWieldableSelectionChanged(int slot, IQuickSlotItem item)
{
// Unsubscribe from old wieldable
if (currentWieldable != null)
DetachFromSelection(currentWieldable);
// Get new wieldable
currentWieldable = item as FpsInventoryWieldable;
// Subscribe to new wieldable
if (currentWieldable != null)
AttachToSelection(currentWieldable);
ResetUI();
}
protected abstract void AttachToSelection(FpsInventoryWieldable wieldable);
protected abstract void DetachFromSelection(FpsInventoryWieldable wieldable);
protected abstract void ResetUI();
}
}