private void DefaultRemovalHook(object sender, HookedSimpleCacheEventArgs <TKey> e)
{
Remove(e.Target);
if (HookedSimpleCacheState.NeedsCleanup(typeof(THookTarget)))
{
HookedSimpleCacheState.Cleanup(typeof(THookTarget));
}
}
internal static void PostfixHook(THookTarget __instance)
{
foreach (var cache in HookedSimpleCacheState.GetRegisteredCaches(typeof(THookTarget)))
{
var key = cache.ConvertTargetToKey(__instance);
cache.OnHookPostfix(new HookedSimpleCacheEventArgs <TKey>((TKey)key));
}
}
private void DefaultRemovalHook(HookedSimpleCache <TKey, TValue, THookTarget> sender, HookedSimpleCacheEventArgs <TKey> e)
{
Assert.IsNotNull(this);
sender.Remove(e.Target);
if (HookedSimpleCacheState.NeedsCleanup(typeof(THookTarget)))
{
HookedSimpleCacheState.Cleanup(typeof(THookTarget));
}
}
public HookedSimpleCache(CacheDataLoader loader, HookConverter converter, bool useDefaultRemovalHook = false,
bool emptyCacheOnSceneChange = false) : base(loader)
{
_convertTargetToKey = converter;
EmptyCacheOnSceneChange = emptyCacheOnSceneChange;
UseDefaultRemovalHook = useDefaultRemovalHook;
var hookTarget = AccessTools.Method(typeof(THookTarget), "OnDestroy", new Type[0]);
if (hookTarget is null)
{
throw new ArgumentException($"unable to hook OnDestroy for {typeof(THookTarget)})");
}
var prefix = new HarmonyMethod(GetType(), nameof(PrefixHook));
var postfix = new HarmonyMethod(GetType(), nameof(PostfixHook));
if (prefix is null)
{
throw new Exception("Unable to wrap prefix");
}
if (postfix is null)
{
throw new Exception("Unable to wrap postfix");
}
var harmony = Harmony.CreateAndPatchAll(GetType());
harmony.Patch(hookTarget, prefix, postfix);
SceneManager.activeSceneChanged += SceneManager_activeSceneChanged;
if (UseDefaultRemovalHook)
{
HookPrefix += DefaultRemovalHook;
}
HookedSimpleCacheState.RegisterCache(typeof(THookTarget), this);
}