worldbox-observer-mod/IdleSpectator/HappinessGameApi.cs

using System;
using System.Reflection;
using HarmonyLib;

namespace IdleSpectator;

/// <summary>Reflection helpers for happiness library / changeHappiness harness paths.</summary>
internal static class HappinessGameApi
{
    private static MethodInfo _changeHappiness;

    public static bool TryChangeHappiness(Actor actor, string effectId, int bonus = 0)
    {
        if (actor == null || string.IsNullOrEmpty(effectId))
        {
            return false;
        }

        try
        {
            if (_changeHappiness == null)
            {
                _changeHappiness = AccessTools.Method(
                    typeof(Actor),
                    "changeHappiness",
                    new[] { typeof(string), typeof(int) });
            }

            if (_changeHappiness == null)
            {
                // Public method should be callable directly.
                return actor.changeHappiness(effectId.Trim(), bonus);
            }

            object result = _changeHappiness.Invoke(actor, new object[] { effectId.Trim(), bonus });
            return result is bool ok && ok;
        }
        catch
        {
            try
            {
                return actor.changeHappiness(effectId.Trim(), bonus);
            }
            catch
            {
                return false;
            }
        }
    }

    public static HappinessAsset TryGetAsset(string effectId)
    {
        return ActivityAssetCatalog.TryGetHappinessAsset(effectId);
    }

    public static int ResolveAmount(string effectId, int bonus = 0)
    {
        HappinessAsset asset = TryGetAsset(effectId);
        if (asset == null)
        {
            return bonus;
        }

        try
        {
            return bonus + asset.value;
        }
        catch
        {
            return bonus;
        }
    }
}