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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics.CodeAnalysis;
using System.Diagnostics.Contracts;
using System.IO;
using System.Linq;
using StardewModdingAPI.Framework.Content;
using StardewModdingAPI.Framework.ContentManagers;
using StardewModdingAPI.Framework.Exceptions;
using StardewModdingAPI.Framework.Reflection;
using StardewValley;
namespace StardewModdingAPI.Framework.ModHelpers
{
/// <summary>Provides an API for loading content assets.</summary>
[Obsolete]
internal class ContentHelper : BaseHelper, IContentHelper
{
/*********
** Fields
*********/
/// <summary>SMAPI's core content logic.</summary>
private readonly ContentCoordinator ContentCore;
/// <summary>A content manager for this mod which manages files from the game's Content folder.</summary>
private readonly IContentManager GameContentManager;
/// <summary>A content manager for this mod which manages files from the mod's folder.</summary>
private readonly ModContentManager ModContentManager;
/// <summary>Encapsulates monitoring and logging.</summary>
private readonly IMonitor Monitor;
/// <summary>Simplifies access to private code.</summary>
private readonly Reflector Reflection;
/*********
** Accessors
*********/
/// <inheritdoc />
public string CurrentLocale => this.GameContentManager.GetLocale();
/// <inheritdoc />
public LocalizedContentManager.LanguageCode CurrentLocaleConstant => this.GameContentManager.Language;
/// <summary>The observable implementation of <see cref="AssetEditors"/>.</summary>
internal ObservableCollection<IAssetEditor> ObservableAssetEditors { get; } = new();
/// <summary>The observable implementation of <see cref="AssetLoaders"/>.</summary>
internal ObservableCollection<IAssetLoader> ObservableAssetLoaders { get; } = new();
/// <inheritdoc />
public IList<IAssetLoader> AssetLoaders
{
get
{
SCore.DeprecationManager.Warn(
source: this.Mod,
nounPhrase: $"{nameof(IContentHelper)}.{nameof(IContentHelper.AssetLoaders)}",
version: "3.14.0",
severity: DeprecationLevel.Notice
);
return this.ObservableAssetLoaders;
}
}
/// <inheritdoc />
public IList<IAssetEditor> AssetEditors
{
get
{
SCore.DeprecationManager.Warn(
source: this.Mod,
nounPhrase: $"{nameof(IContentHelper)}.{nameof(IContentHelper.AssetEditors)}",
version: "3.14.0",
severity: DeprecationLevel.Notice
);
return this.ObservableAssetEditors;
}
}
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="contentCore">SMAPI's core content logic.</param>
/// <param name="modFolderPath">The absolute path to the mod folder.</param>
/// <param name="mod">The mod using this instance.</param>
/// <param name="monitor">Encapsulates monitoring and logging.</param>
/// <param name="reflection">Simplifies access to private code.</param>
public ContentHelper(ContentCoordinator contentCore, string modFolderPath, IModMetadata mod, IMonitor monitor, Reflector reflection)
: base(mod)
{
string managedAssetPrefix = contentCore.GetManagedAssetPrefix(mod.Manifest.UniqueID);
this.ContentCore = contentCore;
this.GameContentManager = contentCore.CreateGameContentManager(managedAssetPrefix + ".content");
this.ModContentManager = contentCore.CreateModContentManager(managedAssetPrefix, this.Mod.DisplayName, modFolderPath, this.GameContentManager);
this.Monitor = monitor;
this.Reflection = reflection;
}
/// <inheritdoc />
public T Load<T>(string key, ContentSource source = ContentSource.ModFolder)
where T : notnull
{
IAssetName assetName = this.ContentCore.ParseAssetName(key, allowLocales: source == ContentSource.GameContent);
try
{
this.AssertAndNormalizeAssetName(key);
switch (source)
{
case ContentSource.GameContent:
return this.GameContentManager.LoadLocalized<T>(assetName, this.CurrentLocaleConstant, useCache: false);
case ContentSource.ModFolder:
return this.ModContentManager.LoadExact<T>(assetName, useCache: false);
default:
throw new SContentLoadException($"{this.Mod.DisplayName} failed loading content asset '{key}' from {source}: unknown content source '{source}'.");
}
}
catch (Exception ex) when (ex is not SContentLoadException)
{
throw new SContentLoadException($"{this.Mod.DisplayName} failed loading content asset '{key}' from {source}.", ex);
}
}
/// <inheritdoc />
[Pure]
public string NormalizeAssetName(string? assetName)
{
return this.ModContentManager.AssertAndNormalizeAssetName(assetName);
}
/// <inheritdoc />
public string GetActualAssetKey(string key, ContentSource source = ContentSource.ModFolder)
{
switch (source)
{
case ContentSource.GameContent:
return this.GameContentManager.AssertAndNormalizeAssetName(key);
case ContentSource.ModFolder:
return this.ModContentManager.GetInternalAssetKey(key).Name;
default:
throw new NotSupportedException($"Unknown content source '{source}'.");
}
}
/// <inheritdoc />
public bool InvalidateCache(string key)
{
string actualKey = this.GetActualAssetKey(key, ContentSource.GameContent);
this.Monitor.Log($"Requested cache invalidation for '{actualKey}'.");
return this.ContentCore.InvalidateCache(asset => asset.Name.IsEquivalentTo(actualKey)).Any();
}
/// <inheritdoc />
public bool InvalidateCache<T>()
where T : notnull
{
this.Monitor.Log($"Requested cache invalidation for all assets of type {typeof(T)}. This is an expensive operation and should be avoided if possible.");
return this.ContentCore.InvalidateCache((_, _, type) => typeof(T).IsAssignableFrom(type)).Any();
}
/// <inheritdoc />
public bool InvalidateCache(Func<IAssetInfo, bool> predicate)
{
this.Monitor.Log("Requested cache invalidation for all assets matching a predicate.");
return this.ContentCore.InvalidateCache(predicate).Any();
}
/// <inheritdoc />
public IAssetData GetPatchHelper<T>(T data, string? assetName = null)
where T : notnull
{
if (data == null)
throw new ArgumentNullException(nameof(data), "Can't get a patch helper for a null value.");
assetName ??= $"temp/{Guid.NewGuid():N}";
return new AssetDataForObject(
locale: this.CurrentLocale,
assetName: this.ContentCore.ParseAssetName(assetName, allowLocales: true/* no way to know if it's a game or mod asset here*/),
data: data,
getNormalizedPath: this.NormalizeAssetName,
reflection: this.Reflection
);
}
/*********
** Private methods
*********/
/// <summary>Assert that the given key has a valid format.</summary>
/// <param name="key">The asset key to check.</param>
/// <exception cref="ArgumentException">The asset key is empty or contains invalid characters.</exception>
[SuppressMessage("ReSharper", "ParameterOnlyUsedForPreconditionCheck.Local", Justification = "Parameter is only used for assertion checks by design.")]
private void AssertAndNormalizeAssetName(string key)
{
this.ModContentManager.AssertAndNormalizeAssetName(key);
if (Path.IsPathRooted(key))
throw new ArgumentException("The asset key must not be an absolute path.");
}
}
}
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