TechbloxModdingAPI/GamecraftModdingAPI/App/Client.cs

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using System;
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using System.Reflection;
using HarmonyLib;
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using RobocraftX.Services;
using UnityEngine;
using GamecraftModdingAPI.Utility;
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using RobocraftX.Common;
namespace GamecraftModdingAPI.App
{
/// <summary>
/// The Gamecraft application that is running this code right now.
/// </summary>
public class Client
{
// extensible engine
protected static AppEngine appEngine = new AppEngine();
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protected static Func<object> ErrorHandlerInstanceGetter;
protected static Action<object, Error> EnqueueError;
protected static Action<object> HandleErrorClosed;
/// <summary>
/// An event that fires whenever the main menu is loaded.
/// </summary>
public static event EventHandler<MenuEventArgs> EnterMenu
{
add => appEngine.EnterMenu += value;
remove => appEngine.EnterMenu -= value;
}
/// <summary>
/// An event that fire whenever the main menu is exited.
/// </summary>
public static event EventHandler<MenuEventArgs> ExitMenu
{
add => appEngine.ExitMenu += value;
remove => appEngine.ExitMenu -= value;
}
/// <summary>
/// Gamecraft build version string.
/// Usually this is in the form YYYY.mm.DD.HH.MM.SS
/// </summary>
/// <value>The version.</value>
public string Version
{
get => Application.version;
}
/// <summary>
/// Unity version string.
/// </summary>
/// <value>The unity version.</value>
public string UnityVersion
{
get => Application.unityVersion;
}
/// <summary>
/// Game saves currently visible in the menu.
/// These take a second to completely populate after the EnterMenu event fires.
/// </summary>
/// <value>My games.</value>
public Game[] MyGames
{
get
{
if (!appEngine.IsInMenu) return new Game[0];
return appEngine.GetMyGames();
}
}
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/// <summary>
/// Whether Gamecraft is in the Main Menu
/// </summary>
/// <value><c>true</c> if in menu; <c>false</c> when loading or in a game.</value>
public bool InMenu
{
get => appEngine.IsInMenu;
}
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/// <summary>
/// Open a popup which prompts the user to click a button.
/// This reuses Gamecraft's error dialog popup
/// </summary>
/// <param name="popup">The popup to display. Use an instance of SingleChoicePrompt or DualChoicePrompt.</param>
public void PromptUser(Error popup)
{
// if the stuff wasn't mostly set to internal, this would be written as:
// RobocraftX.Services.ErrorHandler.Instance.EqueueError(error);
object errorHandlerInstance = ErrorHandlerInstanceGetter();
EnqueueError(errorHandlerInstance, popup);
}
// TODO
/*public void CloseCurrentPrompt()
{
// RobocraftX.Services.ErrorHandler.Instance.HandlePopupClosed();
// FIXME: this is a call that is also called when closing, not the actual closing action itself (so it doesn't work)
object errorHandlerInstance = ErrorHandlerInstanceGetter();
HandleErrorClosed(errorHandlerInstance);
}*/
internal static void Init()
{
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// this would have been so much simpler if this didn't involve a bunch of internal fields & classes
Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
Type errorHandle = AccessTools.TypeByName("RobocraftX.Services.ErrorHandle");
ErrorHandlerInstanceGetter = (Func<object>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenInstanceGetter")
.MakeGenericMethod(errorHandler)
.Invoke(null, new object[0]);
EnqueueError = (Action<object, Error>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenEnqueueError")
.MakeGenericMethod(errorHandler, errorHandle)
.Invoke(null, new object[0]);
/*HandleErrorClosed = (Action<object>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenHandlePopupClosed")
.MakeGenericMethod(errorHandler)
.Invoke(null, new object[0]);*/
// register engines
MenuEngineManager.AddMenuEngine(appEngine);
}
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// Creating delegates once is faster than reflection every time
// Admittedly, this way is more difficult to code and less readable
private static Func<object> GenInstanceGetter<T>()
{
Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
MethodInfo instance = AccessTools.PropertyGetter(errorHandler, "Instance");
Func<T> getterSimple = (Func<T>) Delegate.CreateDelegate(typeof(Func<T>), null, instance);
Func<object> getterCasted = () => (object) getterSimple();
return getterCasted;
}
private static Action<object, Error> GenEnqueueError<T, TRes>()
{
Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
MethodInfo enqueueError = AccessTools.Method(errorHandler, "EnqueueError");
Func<T, Error, TRes> enqueueSimple =
(Func<T, Error, TRes>) Delegate.CreateDelegate(typeof(Func<T, Error, TRes>), enqueueError);
Action<object, Error> enqueueCasted =
(object instance, Error error) => { enqueueSimple((T) instance, error); };
return enqueueCasted;
}
private static Action<object> GenHandlePopupClosed<T>()
{
Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
MethodInfo handlePopupClosed = AccessTools.Method(errorHandler, "HandlePopupClosed");
Action<T> handleSimple =
(Action<T>) Delegate.CreateDelegate(typeof(Action<T>), handlePopupClosed);
Action<object> handleCasted = (object instance) => handleSimple((T) instance);
return handleCasted;
}
}
}