BirthdayParty.cs

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using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Terraria.GameContent.Achievements;
using Terraria.Graphics.Effects;
using Terraria.ID;
using Terraria.Localization;
 
namespace Terraria.GameContent.Events;
 
public class BirthdayParty
{
    public static bool ManualParty;
 
    public static bool GenuineParty;
 
    public static int PartyDaysOnCooldown;
 
    public static List<int> CelebratingNPCs = new List<int>();
 
    private static bool _wasCelebrating;
 
    public static bool PartyIsUp
    {
        get
        {
            if (!GenuineParty)
            {
                return ManualParty;
            }
            return true;
        }
    }
 
    public static void CheckMorning()
    {
        NaturalAttempt();
    }
 
    public static void CheckNight()
    {
        bool flag = false;
        if (GenuineParty)
        {
            flag = true;
            GenuineParty = false;
            CelebratingNPCs.Clear();
        }
        if (ManualParty)
        {
            flag = true;
            ManualParty = false;
        }
        if (flag)
        {
            WorldGen.BroadcastText(color: new Color(255, 0, 160), text: NetworkText.FromKey(Lang.misc[99].Key));
        }
    }
 
    private static bool CanNPCParty(NPC n)
    {
        if (!n.active || !n.townNPC || n.aiStyle == 0 || n.type == 37 || n.type == 453 || n.type == 441)
        {
            return false;
        }
        if (NPCID.Sets.IsTownPet[n.type])
        {
            return false;
        }
        return true;
    }
 
    private static void NaturalAttempt()
    {
        if (Main.netMode == 1 || !NPC.AnyNPCs(208))
        {
            return;
        }
        if (PartyDaysOnCooldown > 0)
        {
            PartyDaysOnCooldown--;
            return;
        }
        int maxValue = 10;
        if (Main.tenthAnniversaryWorld)
        {
            maxValue = 7;
        }
        if (Main.rand.Next(maxValue) != 0)
        {
            return;
        }
        List<NPC> list = new List<NPC>();
        for (int j = 0; j < 200; j++)
        {
            NPC nPC = Main.npc[j];
            if (CanNPCParty(nPC))
            {
                list.Add(nPC);
            }
        }
        if (list.Count >= 5)
        {
            GenuineParty = true;
            PartyDaysOnCooldown = Main.rand.Next(5, 11);
            NPC.freeCake = true;
            CelebratingNPCs.Clear();
            List<int> list2 = new List<int>();
            int num = 1;
            if (Main.rand.Next(5) == 0 && list.Count > 12)
            {
                num = 3;
            }
            else if (Main.rand.Next(3) == 0)
            {
                num = 2;
            }
            list = list.OrderBy((NPC i) => Main.rand.Next()).ToList();
            for (int k = 0; k < num; k++)
            {
                list2.Add(k);
            }
            for (int l = 0; l < list2.Count; l++)
            {
                CelebratingNPCs.Add(list[list2[l]].whoAmI);
            }
            Color color = new Color(255, 0, 160);
            if (CelebratingNPCs.Count == 3)
            {
                WorldGen.BroadcastText(NetworkText.FromKey("Game.BirthdayParty_3", Main.npc[CelebratingNPCs[0]].GetGivenOrTypeNetName(), Main.npc[CelebratingNPCs[1]].GetGivenOrTypeNetName(), Main.npc[CelebratingNPCs[2]].GetGivenOrTypeNetName()), color);
            }
            else if (CelebratingNPCs.Count == 2)
            {
                WorldGen.BroadcastText(NetworkText.FromKey("Game.BirthdayParty_2", Main.npc[CelebratingNPCs[0]].GetGivenOrTypeNetName(), Main.npc[CelebratingNPCs[1]].GetGivenOrTypeNetName()), color);
            }
            else
            {
                WorldGen.BroadcastText(NetworkText.FromKey("Game.BirthdayParty_1", Main.npc[CelebratingNPCs[0]].GetGivenOrTypeNetName()), color);
            }
            NetMessage.SendData(7);
            CheckForAchievement();
        }
    }
 
    public static void ToggleManualParty()
    {
        bool partyIsUp = PartyIsUp;
        if (Main.netMode != 1)
        {
            ManualParty = !ManualParty;
        }
        else
        {
            NetMessage.SendData(111);
        }
        if (partyIsUp != PartyIsUp)
        {
            if (Main.netMode == 2)
            {
                NetMessage.SendData(7);
            }
            CheckForAchievement();
        }
    }
 
    private static void CheckForAchievement()
    {
        if (PartyIsUp)
        {
            AchievementsHelper.NotifyProgressionEvent(25);
        }
    }
 
    public static void WorldClear()
    {
        ManualParty = false;
        GenuineParty = false;
        PartyDaysOnCooldown = 0;
        CelebratingNPCs.Clear();
        _wasCelebrating = false;
    }
 
    public static void UpdateTime()
    {
        if (_wasCelebrating != PartyIsUp)
        {
            if (Main.netMode != 2)
            {
                if (PartyIsUp)
                {
                    SkyManager.Instance.Activate("Party", default(Vector2));
                }
                else
                {
                    SkyManager.Instance.Deactivate("Party");
                }
            }
            if (Main.netMode != 1 && CelebratingNPCs.Count > 0)
            {
                for (int i = 0; i < CelebratingNPCs.Count; i++)
                {
                    if (!CanNPCParty(Main.npc[CelebratingNPCs[i]]))
                    {
                        CelebratingNPCs.RemoveAt(i);
                    }
                }
                if (CelebratingNPCs.Count == 0)
                {
                    GenuineParty = false;
                    if (!ManualParty)
                    {
                        WorldGen.BroadcastText(color: new Color(255, 0, 160), text: NetworkText.FromKey(Lang.misc[99].Key));
                        NetMessage.SendData(7);
                    }
                }
            }
        }
        _wasCelebrating = PartyIsUp;
    }
}