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using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework.Graphics;
namespace StardewModdingAPI.Framework.Content
{
/// <summary>Encapsulates access and changes to content being read from a data file.</summary>
internal class AssetDataForObject : AssetData<object>, IAssetData
{
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="locale">The content's locale code, if the content is localised.</param>
/// <param name="assetName">The normalised asset name being read.</param>
/// <param name="data">The content data being read.</param>
/// <param name="getNormalisedPath">Normalises an asset key to match the cache key.</param>
public AssetDataForObject(string locale, string assetName, object data, Func<string, string> getNormalisedPath)
: base(locale, assetName, data, getNormalisedPath) { }
/// <summary>Construct an instance.</summary>
/// <param name="info">The asset metadata.</param>
/// <param name="data">The content data being read.</param>
/// <param name="getNormalisedPath">Normalises an asset key to match the cache key.</param>
public AssetDataForObject(IAssetInfo info, object data, Func<string, string> getNormalisedPath)
: this(info.Locale, info.AssetName, data, getNormalisedPath) { }
/// <summary>Get a helper to manipulate the data as a dictionary.</summary>
/// <typeparam name="TKey">The expected dictionary key.</typeparam>
/// <typeparam name="TValue">The expected dictionary balue.</typeparam>
/// <exception cref="InvalidOperationException">The content being read isn't a dictionary.</exception>
public IAssetDataForDictionary<TKey, TValue> AsDictionary<TKey, TValue>()
{
return new AssetDataForDictionary<TKey, TValue>(this.Locale, this.AssetName, this.GetData<IDictionary<TKey, TValue>>(), this.GetNormalisedPath);
}
/// <summary>Get a helper to manipulate the data as an image.</summary>
/// <exception cref="InvalidOperationException">The content being read isn't an image.</exception>
public IAssetDataForImage AsImage()
{
return new AssetDataForImage(this.Locale, this.AssetName, this.GetData<Texture2D>(), this.GetNormalisedPath);
}
/// <summary>Get the data as a given type.</summary>
/// <typeparam name="TData">The expected data type.</typeparam>
/// <exception cref="InvalidCastException">The data can't be converted to <typeparamref name="TData"/>.</exception>
public TData GetData<TData>()
{
if (!(this.Data is TData))
throw new InvalidCastException($"The content data of type {this.Data.GetType().FullName} can't be converted to the requested {typeof(TData).FullName}.");
return (TData)this.Data;
}
}
}
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