Files
Tarkov-UIFixes/Multiselect/MultiSelectInterop.cs
2024-09-20 11:45:29 -07:00

115 lines
3.6 KiB
C#

using BepInEx;
using BepInEx.Bootstrap;
using EFT.InventoryLogic;
using EFT.UI;
using HarmonyLib;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Threading.Tasks;
namespace UIFixesInterop;
/// <summary>
/// Provides access to UI Fixes' multiselect functionality.
/// </summary>
internal class MultiSelect
{
private static readonly Version RequiredVersion = new(2, 5);
private static bool? UIFixesLoaded;
private static Type MultiSelectType;
private static MethodInfo GetCountMethod;
private static MethodInfo GetItemsMethod;
private static MethodInfo ApplyMethod;
/// <value><c>Count</c> represents the number of items in the current selection, 0 if UI Fixes is not present.</value>
public int Count
{
get
{
if (!Loaded())
{
return 0;
}
return (int)GetCountMethod.Invoke(null, []);
}
}
/// <value><c>Items</c> is an enumerable list of items in the current selection, empty if UI Fixes is not present</value>
public IEnumerable<Item> Items
{
get
{
if (!Loaded())
{
return [];
}
return (IEnumerable<Item>)GetItemsMethod.Invoke(null, []);
}
}
/// <summary>
/// This method takes an <c>Action</c> and calls it *sequentially* on each item in the current selection.
/// Will no-op if UI Fixes is not present.
/// </summary>
/// <param name="action">The action to call on each item.</param>
/// <param name="itemUiContext">Optional <c>ItemUiContext</c>; will use <c>ItemUiContext.Instance</c> if not provided.</param>
public void Apply(Action<Item> action, ItemUiContext itemUiContext = null)
{
if (!Loaded())
{
return;
}
Func<Item, Task> func = item =>
{
action(item);
return Task.CompletedTask;
};
ApplyMethod.Invoke(null, [func, itemUiContext]);
}
/// <summary>
/// This method takes an <c>Func</c> that returns a <c>Task</c> and calls it *sequentially* on each item in the current selection.
/// Will return a completed task immediately if UI Fixes is not present.
/// </summary>
/// <param name="func">The function to call on each item</param>
/// <param name="itemUiContext">Optional <c>ItemUiContext</c>; will use <c>ItemUiContext.Instance</c> if not provided.</param>
/// <returns>A <c>Task</c> that will complete when all the function calls are complete.</returns>
public Task Apply(Func<Item, Task> func, ItemUiContext itemUiContext = null)
{
if (!Loaded())
{
return Task.CompletedTask;
}
return (Task)ApplyMethod.Invoke(null, [func, itemUiContext]);
}
private bool Loaded()
{
if (!UIFixesLoaded.HasValue)
{
bool present = Chainloader.PluginInfos.TryGetValue("Tyfon.UIFixes", out PluginInfo pluginInfo);
UIFixesLoaded = present && pluginInfo.Metadata.Version >= RequiredVersion;
if (UIFixesLoaded.Value)
{
MultiSelectType = Type.GetType("UIFixes.MultiSelectController, UIFixes");
if (MultiSelectType != null)
{
GetCountMethod = AccessTools.Method(MultiSelectType, "GetCount");
GetItemsMethod = AccessTools.Method(MultiSelectType, "GetItems");
ApplyMethod = AccessTools.Method(MultiSelectType, "Apply");
}
}
}
return UIFixesLoaded.Value;
}
}