test implementation of ambition upgrade system

YhtPlayer.cs

@@ -1,5 +1,8 @@
 using System;
+using System.Collections.Generic;
 using Terraria.ModLoader;
+using Terraria.ModLoader.IO;
+using YHTMod.Buffs;
 
 namespace YHTMod;
 
@@ -8,15 +11,58 @@ public class YhtPlayer : ModPlayer
     public int ArcaneMissile = 0;
     public int KatanaTeleportCooldown = 0;
 
+    public bool HasAmbition = false;
+    public bool SummonerAmbition = false;
+    
+    public HashSet<string> KilledBosses = [];
+    
+    public HashSet<string> SummonerAmbitionCrafts = [];
+
     public override void PreUpdate()
     {
         KatanaTeleportCooldown = Math.Max(KatanaTeleportCooldown - 1, 0);
     }
 
+    public override void PostUpdateMiscEffects()
+    {
+        if (SummonerAmbition)
+        {
+            Player.AddBuff(ModContent.BuffType<SummonerAmbitionBuff>(), 1);
+            Player.maxMinions += GetSummonersAmbitionMinionBonus();
+        }
+    }
+
     public override void ResetEffects()
     {
         ArcaneMissile = 0;
+        HasAmbition = false;
+        SummonerAmbition = false;
 
         base.ResetEffects();
     }
-}
+    
+    public override void SaveData(TagCompound tag)
+    {
+        tag["killedBosses"] = new List<string>(KilledBosses);
+        tag["summonerAmbitions"] = new List<string>(SummonerAmbitionCrafts);
+    }
+    
+    public override void LoadData(TagCompound tag)
+    {
+        if (tag.ContainsKey("killedBosses"))
+        {
+            var list = tag.GetList<string>("killedBosses");
+            KilledBosses = new HashSet<string>(list);
+        }
+        if (tag.ContainsKey("summonerAmbitions"))
+        {
+            var list = tag.GetList<string>("summonerAmbitions");
+            SummonerAmbitionCrafts = new HashSet<string>(list);
+        }
+    }
+    
+    public int GetSummonersAmbitionMinionBonus()
+    {
+        return SummonerAmbitionCrafts.Count / 3 + 1;
+    }
+}