test implementation of ambition upgrade system

Buffs/SummonerAmbitionBuff.cs

@@ -0,0 +1,37 @@
+using Terraria;
+using Terraria.Localization;
+using Terraria.ModLoader;
+
+namespace YHTMod.Buffs;
+
+public class SummonerAmbitionBuff : ModBuff
+{
+    public override void SetStaticDefaults()
+    {
+        Main.buffNoSave[Type] = true;
+        Main.buffNoTimeDisplay[Type] = true;
+    }
+
+    public override void ModifyBuffText(ref string buffName, ref string tip, ref int rare)
+    {
+        var modPlayer = Main.LocalPlayer.TryGetModPlayer<YhtPlayer>(out var mp) ? mp : null;
+        if (modPlayer == null) return;
+        
+        tip = Language.GetTextValue("Mods.YHTMod.Buffs.SummonerAmbitionBuff.Description", modPlayer.SummonerAmbitionCrafts.Count);
+    }
+
+    public override void Update(Player player, ref int buffIndex)
+    {
+        var modPlayer = player.GetModPlayer<YhtPlayer>();
+        
+        if (modPlayer.SummonerAmbition)
+        {
+            player.buffTime[buffIndex] = 18000;
+        }
+        else
+        {
+            player.DelBuff(buffIndex);
+            buffIndex--;
+        }
+    }
+}

Changes/BossKillListener.cs

@@ -0,0 +1,58 @@
+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Chat;
+using Terraria.ID;
+using Terraria.Localization;
+using Terraria.ModLoader;
+
+namespace YHTMod.Changes;
+
+public class BossKillListener : GlobalNPC
+{
+    public override void OnKill(NPC npc)
+    {
+        switch (npc.type)
+        {
+            case NPCID.KingSlime:
+                HandleBossKill(npc, "king_slime");
+                break;
+            case NPCID.EyeofCthulhu:
+                HandleBossKill(npc, "eye_of_cthulhu");
+                break;
+            case NPCID.EaterofWorldsHead:
+                HandleBossKill(npc, "eater_of_worlds");
+                break;
+            case NPCID.BrainofCthulhu:
+                HandleBossKill(npc, "brain_of_cthulhu");
+                break;
+            case NPCID.QueenBee:
+                HandleBossKill(npc, "queen_bee");
+                break;
+            case NPCID.SkeletronHead:
+                HandleBossKill(npc, "skeletron");
+                break;
+            case NPCID.WallofFlesh:
+                HandleBossKill(npc, "wall_of_flesh");
+                break;
+        }
+
+        base.OnKill(npc);
+    }
+
+    private static void HandleBossKill(NPC npc, string bossKey)
+    {
+        foreach (var player in Main.ActivePlayers)
+        {
+            var modPlayer = player.GetModPlayer<YhtPlayer>();
+            if (!npc.playerInteraction[player.whoAmI]) continue;
+            if (modPlayer.KilledBosses.Add(bossKey))
+            {
+                ChatHelper.SendChatMessageToClient(
+                    NetworkText.FromLiteral("Your Ambition's potential grows stronger!"), 
+                    Color.MediumPurple,
+                    player.whoAmI
+                );
+            }
+        }
+    }
+}

Items/SummonersAmbition.cs

@@ -0,0 +1,115 @@
+using System.Collections.Generic;
+using Terraria;
+using Terraria.GameContent.Creative;
+using Terraria.ID;
+using Terraria.Localization;
+using Terraria.ModLoader;
+
+namespace YHTMod.Items;
+
+public class SummonersAmbition : ModItem
+{
+    public override void SetStaticDefaults()
+    {
+        CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[Type] = 1;
+    }
+
+    public override LocalizedText Tooltip => Language.GetText("");
+
+    public override void SetDefaults()
+    {
+        Item.width = 32;
+        Item.height = 32;
+        Item.accessory = true;
+        Item.rare = ItemRarityID.White;
+        Item.noMelee = true;
+        Item.noUseGraphic = true;
+        ItemID.Sets.ShimmerTransformToItem[Type] = 0;
+    }
+
+    public override void UpdateAccessory(Player player, bool hideVisual)
+    {
+        var modPlayer = player.GetModPlayer<YhtPlayer>();
+        modPlayer.SummonerAmbition = true;
+        modPlayer.HasAmbition = true;
+    }
+
+    public override void ModifyTooltips(List<TooltipLine> tooltips)
+    {
+        var player = Main.LocalPlayer.GetModPlayer<YhtPlayer>();
+        tooltips.Add(new TooltipLine(Mod, "SummonerAmbition", Language.GetTextValue("Mods.YHTMod.Items.SummonersAmbition.Tooltip", player.GetSummonersAmbitionMinionBonus())));
+
+        if (player.KilledBosses.Contains("king_slime"))
+        {
+            tooltips.Add(new TooltipLine(Mod, "SummonerAmbitionKingSlime", Language.GetTextValue("Mods.YHTMod.Items.SummonersAmbition.KingSlime")));
+        }
+
+    }
+
+    public override void AddRecipes()
+    {
+        CreateRecipe()
+            .AddIngredient(ItemID.Rope, 5)
+            .AddIngredient(ItemID.Squirrel)
+            .AddIngredient(ItemID.Acorn, 25)
+            .AddTile(TileID.WorkBenches)
+            .Register();
+
+        #region Upgrades
+
+        CreateRecipe()
+            .AddIngredient(this)
+            .AddTile(TileID.DemonAltar)
+            .AddIngredient(ItemID.Gel, 250)
+            .AddCondition(new Condition(
+                Language.GetText("Mods.YHTMod.Recipes.Ambitions.KingSlimeDead"),
+                () =>
+                {
+                    var player = Main.LocalPlayer.GetModPlayer<YhtPlayer>();
+                    return player.KilledBosses.Contains("king_slime") && !player.SummonerAmbitionCrafts.Contains("king_slime");
+                })
+            )
+            .AddOnCraftCallback((recipe, item, consumed, destination) =>
+            {
+                Main.LocalPlayer.GetModPlayer<YhtPlayer>().SummonerAmbitionCrafts.Add("king_slime");
+            })
+            .Register();
+        
+        CreateRecipe()
+            .AddIngredient(this)
+            .AddTile(TileID.DemonAltar)
+            .AddIngredient(ItemID.Lens, 100)
+            .AddCondition(new Condition(Language.GetText(
+                    "Mods.YHTMod.Recipes.Ambitions.EyeOfCthulhuDead"),
+                () =>
+                {
+                    var player = Main.LocalPlayer.GetModPlayer<YhtPlayer>();
+                    return player.KilledBosses.Contains("eye_of_cthulhu") && !player.SummonerAmbitionCrafts.Contains("eye_of_cthulhu");
+                })
+            )
+            .AddOnCraftCallback((recipe, item, consumed, destination) =>
+            {
+                Main.LocalPlayer.GetModPlayer<YhtPlayer>().SummonerAmbitionCrafts.Add("eye_of_cthulhu");
+            })
+            .Register();
+        
+        CreateRecipe()
+            .AddIngredient(this)
+            .AddTile(TileID.DemonAltar)
+            .AddIngredient(ItemID.Bone, 250)
+            .AddCondition(new Condition(Language.GetText(
+                    "Mods.YHTMod.Recipes.Ambitions.SkeletronDead"),
+                () => {
+                    var player = Main.LocalPlayer.GetModPlayer<YhtPlayer>();
+                    return player.KilledBosses.Contains("skeletron") && !player.SummonerAmbitionCrafts.Contains("skeletron");
+                })
+            )
+            .AddOnCraftCallback((recipe, item, consumed, destination) =>
+            {
+                Main.LocalPlayer.GetModPlayer<YhtPlayer>().SummonerAmbitionCrafts.Add("skeletron");
+            })
+            .Register();
+
+        #endregion
+    }
+}

Localization/en-US_Mods.YHTMod.hjson

@@ -1,6 +1,16 @@
 Recipes: {
 	AnyWatch: Any Watch
 	Tier2Bars: Tier 2 Hardmode Bars
+
+	Ambitions: {
+		KingSlimeDead: King Slime Defeated
+		EyeOfCthulhuDead: Eye of Cthulhu Defeated
+		EaterOfWorldsDead: Eater of Worlds Defeated
+		BrainOfCthulhuDead: Brain of Cthulhu Defeated
+		QueenBeeDead: Queen Bee Defeated
+		SkeletronDead: Skeletron Defeated
+		WallOfFleshDead: Wall of Flesh Defeated
+	}
 }
 
 Buffs: {
@@ -8,6 +18,16 @@ Buffs: {
 		DisplayName: Summon Toclafane
 		Description: It came from a parallel world to fight for its Master.
 	}
+
+	SummonerAmbitionBuff: {
+		DisplayName: Summoner's Ambition
+		Description:
+			'''
+			Your power grows with your ambition.
+			         
+			Essences absorbed: {0}
+			'''
+	}
 }
 
 Items: {
@@ -54,6 +74,25 @@ Items: {
 		DisplayName: Toclafane Staff
 		Tooltip: Summons a toclafane to remove population for you
 	}
+
+	SummonersAmbition: {
+		DisplayName: Summoner's Ambition
+		Tooltip:
+			'''
+			Grants Summoner's Ambition.
+			Buff can be empowered by slaying powerful enemies and absorbing their essences.
+			"For those who seek to lead."
+			{$CommonItemTooltip.IncreasesMaxMinionsBy@0}
+			'''
+		KingSlime: "[i:560] +5 summon tag damage."
+		EyeOfCthulhu: "[i:43] Increases minion speed."
+		EaterOfWorlds: "[i:70] Minions penetrate 5 armor."
+		BrainOfCthulhu: "[i:1331] 5% increased minion damage."
+		QueenBee: "[i:1133] Minion hits can inflict poison."
+		Deerclops: "[i:5120] Minion hits can spawn shadow hands."
+		Skeletron: "[i:4801] Increases minion knockback."
+        WallOfFlesh: "[i:267] Increases max number of minions by 1."
+	}
 }
 
 Projectiles: {

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;
+    }
+}