PkmnLib.NET/PkmnLib.Dataloader/ItemDataLoader.cs

51 lines
2.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.IO;
using System.Linq;
using System.Text.Json;
using JetBrains.Annotations;
using PkmnLib.Dataloader.Models;
using PkmnLib.Static;
using PkmnLib.Static.Libraries;
using PkmnLib.Static.Moves;
using PkmnLib.Static.Utils;
namespace PkmnLib.Dataloader;
public static class ItemDataLoader
{
public static ItemLibrary LoadItems(Stream stream)
{
var library = new ItemLibrary();
var obj = JsonSerializer.Deserialize<SerializedItem[]>(stream, JsonOptions.DefaultOptions);
if (obj == null)
throw new InvalidDataException("Item data is empty.");
var items = obj.Select(DeserializeItem);
foreach (var i in items)
library.Add(i);
return library;
}
public delegate IItem ItemFactoryDelegate(SerializedItem serialized, StringKey name, ItemCategory type,
BattleItemCategory battleType, int price, ImmutableHashSet<StringKey> flags, ISecondaryEffect? effect,
ISecondaryEffect? battleTriggerEffect, byte flingPower);
[PublicAPI]
public static ItemFactoryDelegate ItemConstructor { get; set; } =
(_, name, type, battleType, price, flags, effect, battleTriggerEffect, flingPower) => new ItemImpl(name, type,
battleType, price, flags, effect, battleTriggerEffect, flingPower);
private static IItem DeserializeItem(SerializedItem serialized)
{
if (!Enum.TryParse<ItemCategory>(serialized.ItemType, true, out var itemType))
throw new InvalidDataException($"Item type {serialized.ItemType} is not valid for item {serialized.Name}.");
Enum.TryParse(serialized.BattleType, true, out BattleItemCategory battleType);
var effect = serialized.Effect?.ParseEffect();
var battleTriggerEffect = serialized.BattleEffect?.ParseEffect();
return ItemConstructor(serialized, serialized.Name, itemType, battleType, serialized.Price,
serialized.Flags.Select(x => (StringKey)x).ToImmutableHashSet(), effect, battleTriggerEffect,
serialized.FlingPower);
}
}