AquaDX/AquaMai/Fix/FixCharaCrash.cs

using System;
using System.Collections.Generic;
using HarmonyLib;
using Process;
using Util;

namespace AquaMai.Fix
{
    /**
     * Fix character selection crashing due to missing character data
     */
    public class FixCharaCrash
    {
        // Check if the return is null. If it is, make up a color
        [HarmonyPostfix]
        [HarmonyPatch(typeof(CharacterSelectProces), "GetMapColorData")]
        public static void GetMapColorData(ref CharacterSelectProces __instance, ref CharacterMapColorData __result)
        {
            if (__result != null) return;

            // 1 is a color that definitely exists
            if (MapMaster.GetSlotData(1) == null)
            {
                MapMaster.GetSlotData(1).Load();
            }
            __result = MapMaster.GetSlotData(1);
        }

        // This is called when loading the music selection screen, to display characters on the top screen
        [HarmonyPrefix]
        [HarmonyPatch(typeof(Monitor.CommonMonitor), "SetCharacterSlot", new Type[] { typeof(MessageCharactorInfomationData) })]
        public static bool SetCharacterSlot(ref MessageCharactorInfomationData data, Dictionary<int, CharacterSlotData> ____characterSlotData)
        {
            // Some characters are not found in this dictionary. We simply skip loading those characters
            if (!____characterSlotData.ContainsKey(data.MapKey))
            {
                Console.Log($"Could not get CharacterSlotData for character [Index={data.Index}, MapKey={data.MapKey}], ignoring...");
                return false;
            }

            return true;
        }
    }
}