LanternNight.cs

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using Microsoft.Xna.Framework;
using Terraria.Graphics.Effects;
 
namespace Terraria.GameContent.Events;
 
public class LanternNight
{
    public static bool ManualLanterns;
 
    public static bool GenuineLanterns;
 
    public static bool NextNightIsLanternNight;
 
    public static int LanternNightsOnCooldown;
 
    private static bool _wasLanternNight;
 
    public static bool LanternsUp
    {
        get
        {
            if (!GenuineLanterns)
            {
                return ManualLanterns;
            }
            return true;
        }
    }
 
    public static void CheckMorning()
    {
        bool flag = false;
        if (GenuineLanterns)
        {
            flag = true;
            GenuineLanterns = false;
        }
        if (ManualLanterns)
        {
            flag = true;
            ManualLanterns = false;
        }
    }
 
    public static void CheckNight()
    {
        NaturalAttempt();
    }
 
    public static bool LanternsCanPersist()
    {
        if (!Main.dayTime)
        {
            return LanternsCanStart();
        }
        return false;
    }
 
    public static bool LanternsCanStart()
    {
        if (!Main.bloodMoon && !Main.pumpkinMoon && !Main.snowMoon && Main.invasionType == 0 && NPC.MoonLordCountdown == 0)
        {
            return !BossIsActive();
        }
        return false;
    }
 
    private static bool BossIsActive()
    {
        for (int i = 0; i < 200; i++)
        {
            NPC nPC = Main.npc[i];
            if (nPC.active && (nPC.boss || (nPC.type >= 13 && nPC.type <= 15)))
            {
                return true;
            }
        }
        return false;
    }
 
    private static void NaturalAttempt()
    {
        if (Main.netMode != 1 && LanternsCanStart())
        {
            bool flag = false;
            if (LanternNightsOnCooldown > 0)
            {
                LanternNightsOnCooldown--;
            }
            if (LanternNightsOnCooldown == 0 && NPC.downedMoonlord && Main.rand.Next(14) == 0)
            {
                flag = true;
            }
            if (!flag && NextNightIsLanternNight)
            {
                NextNightIsLanternNight = false;
                flag = true;
            }
            if (flag)
            {
                GenuineLanterns = true;
                LanternNightsOnCooldown = Main.rand.Next(5, 11);
            }
        }
    }
 
    public static void ToggleManualLanterns()
    {
        bool lanternsUp = LanternsUp;
        if (Main.netMode != 1)
        {
            ManualLanterns = !ManualLanterns;
        }
        if (lanternsUp != LanternsUp && Main.netMode == 2)
        {
            NetMessage.SendData(7);
        }
    }
 
    public static void WorldClear()
    {
        ManualLanterns = false;
        GenuineLanterns = false;
        LanternNightsOnCooldown = 0;
        _wasLanternNight = false;
    }
 
    public static void UpdateTime()
    {
        if (GenuineLanterns && !LanternsCanPersist())
        {
            GenuineLanterns = false;
        }
        if (_wasLanternNight != LanternsUp)
        {
            if (Main.netMode != 2)
            {
                if (LanternsUp)
                {
                    SkyManager.Instance.Activate("Lantern", default(Vector2));
                }
                else
                {
                    SkyManager.Instance.Deactivate("Lantern");
                }
            }
            else
            {
                NetMessage.SendData(7);
            }
        }
        _wasLanternNight = LanternsUp;
    }
}