update

lib/game/data/enemy_table.dart

@@ -7,12 +7,14 @@ class EnemyTemplate {
   final int baseHp;
   final int baseAtk;
   final int baseDefense;
+  final String? image;
 
   const EnemyTemplate({
     required this.name,
     required this.baseHp,
     required this.baseAtk,
     required this.baseDefense,
+    this.image,
   });
 
   factory EnemyTemplate.fromJson(Map<String, dynamic> json) {
@@ -21,6 +23,7 @@ class EnemyTemplate {
       baseHp: json['baseHp'] ?? 10,
       baseAtk: json['baseAtk'] ?? 1,
       baseDefense: json['baseDefense'] ?? 0,
+      image: json['image'],
     );
   }
 
@@ -36,6 +39,7 @@ class EnemyTemplate {
       atk: scaledAtk,
       baseDefense: scaledDefense,
       armor: 0,
+      image: image,
     );
   }
 }

lib/game/data/item_table.dart

@@ -11,6 +11,8 @@ class ItemTemplate {
   final int baseArmor;
   final EquipmentSlot slot;
   final List<ItemEffect> effects;
+  final int price;
+  final String? image;
 
   const ItemTemplate({
     required this.name,
@@ -20,6 +22,8 @@ class ItemTemplate {
     this.baseArmor = 0,
     required this.slot,
     this.effects = const [],
+    this.price = 0,
+    this.image,
   });
 
   factory ItemTemplate.fromJson(Map<String, dynamic> json) {
@@ -30,10 +34,13 @@ class ItemTemplate {
       baseHp: json['baseHp'] ?? 0,
       baseArmor: json['baseArmor'] ?? 0,
       slot: EquipmentSlot.values.firstWhere((e) => e.name == json['slot']),
-      effects: (json['effects'] as List<dynamic>?)
+      effects:
+          (json['effects'] as List<dynamic>?)
               ?.map((e) => ItemEffect.fromJson(e))
               .toList() ??
           [],
+      price: json['price'] ?? 0,
+      image: json['image'],
     );
   }
 
@@ -45,12 +52,12 @@ class ItemTemplate {
     int scaledHp = baseHp > 0 ? baseHp + (stage - 1) * 5 : 0;
     int scaledArmor = baseArmor > 0 ? baseArmor + (stage - 1) : 0;
 
-    // Calculate price based on stats
-    int calculatedPrice = (scaledAtk * 10) + (scaledHp * 2) + (scaledArmor * 5);
-    if (effects.isNotEmpty) {
-      calculatedPrice += effects.length * 50; // Bonus value for special effects
+    // Use fixed price from template
+    int finalPrice = price;
+    // Optional: Increase price if stage > 1 (e.g. +10% per stage)
+    if (stage > 1) {
+      finalPrice = (price * (1 + (stage - 1) * 0.1)).toInt();
     }
-    if (calculatedPrice < 10) calculatedPrice = 10; // Minimum price
 
     return Item(
       name: "$name${stage > 1 ? ' +${stage - 1}' : ''}", // Append +1, +2 etc.
@@ -60,7 +67,8 @@ class ItemTemplate {
       armorBonus: scaledArmor,
       slot: slot,
       effects: effects, // Pass the effects to the Item
-      price: calculatedPrice,
+      price: finalPrice,
+      image: image,
     );
   }
 }
@@ -72,13 +80,23 @@ class ItemTable {
   static List<ItemTemplate> accessories = [];
 
   static Future<void> load() async {
-    final String jsonString = await rootBundle.loadString('assets/data/items.json');
+    final String jsonString = await rootBundle.loadString(
+      'assets/data/items.json',
+    );
     final Map<String, dynamic> data = jsonDecode(jsonString);
 
-    weapons = (data['weapons'] as List).map((e) => ItemTemplate.fromJson(e)).toList();
-    armors = (data['armors'] as List).map((e) => ItemTemplate.fromJson(e)).toList();
-    shields = (data['shields'] as List).map((e) => ItemTemplate.fromJson(e)).toList();
-    accessories = (data['accessories'] as List).map((e) => ItemTemplate.fromJson(e)).toList();
+    weapons = (data['weapons'] as List)
+        .map((e) => ItemTemplate.fromJson(e))
+        .toList();
+    armors = (data['armors'] as List)
+        .map((e) => ItemTemplate.fromJson(e))
+        .toList();
+    shields = (data['shields'] as List)
+        .map((e) => ItemTemplate.fromJson(e))
+        .toList();
+    accessories = (data['accessories'] as List)
+        .map((e) => ItemTemplate.fromJson(e))
+        .toList();
   }
 
   static List<ItemTemplate> get allItems => [

lib/game/model/entity.dart

@@ -8,7 +8,9 @@ class Character {
   int armor; // Current temporary shield/armor points in battle
   int baseAtk;
   int baseDefense; // Base defense stat
+
   int gold; // New: Currency
+  String? image; // New: Image path
   Map<EquipmentSlot, Item> equipment = {};
   List<Item> inventory = [];
   final int maxInventorySize = 16;
@@ -24,9 +26,10 @@ class Character {
     required int atk,
     this.baseDefense = 0,
     this.gold = 0,
-  })  : baseMaxHp = maxHp,
-        baseAtk = atk,
-        hp = hp ?? maxHp;
+    this.image,
+  }) : baseMaxHp = maxHp,
+       baseAtk = atk,
+       hp = hp ?? maxHp;
 
   /// Adds a status effect. If it already exists, it refreshes duration or stacks based on logic.
   /// For now, we'll implement a simple refresh/overwrite logic.
@@ -99,7 +102,9 @@ class Character {
     if (!inventory.contains(newItem)) return false;
 
     // 1. Calculate current HP ratio before any changes
-    double hpRatio = totalMaxHp > 0 ? hp / totalMaxHp : 0.0; // Avoid division by zero
+    double hpRatio = totalMaxHp > 0
+        ? hp / totalMaxHp
+        : 0.0; // Avoid division by zero
 
     // 2. Handle Swap: If slot is occupied, unequip the old item first
     if (equipment.containsKey(newItem.slot)) {
@@ -116,9 +121,10 @@ class Character {
     hp = (totalMaxHp * hpRatio).toInt();
     if (hp < 0) hp = 0; // Ensure HP does not go below zero
     if (hp > totalMaxHp) {
-      hp = totalMaxHp; // Final Safety Clamp, though hpRatio <= 1.0 should prevent this
+      hp =
+          totalMaxHp; // Final Safety Clamp, though hpRatio <= 1.0 should prevent this
     }
-    
+
     return true;
   }
 
@@ -128,7 +134,9 @@ class Character {
     if (!equipment.containsValue(item)) return false;
 
     // 1. Calculate current HP ratio before any changes
-    double hpRatio = totalMaxHp > 0 ? hp / totalMaxHp : 0.0; // Avoid division by zero
+    double hpRatio = totalMaxHp > 0
+        ? hp / totalMaxHp
+        : 0.0; // Avoid division by zero
 
     if (inventory.length < maxInventorySize) {
       equipment.remove(item.slot);
@@ -138,11 +146,12 @@ class Character {
       hp = (totalMaxHp * hpRatio).toInt();
       if (hp < 0) hp = 0; // Ensure HP does not go below zero
       if (hp > totalMaxHp) {
-        hp = totalMaxHp; // Final Safety Clamp, though hpRatio <= 1.0 should prevent this
+        hp =
+            totalMaxHp; // Final Safety Clamp, though hpRatio <= 1.0 should prevent this
       }
       return true;
     }
-    
+
     return false;
   }
 

lib/game/model/item.dart

@@ -46,6 +46,7 @@ class Item {
   final EquipmentSlot slot;
   final List<ItemEffect> effects; // Status effects this item can inflict
   final int price; // New: Sell/Buy value
+  final String? image; // New: Image path
 
   Item({
     required this.name,
@@ -56,6 +57,7 @@ class Item {
     required this.slot,
     this.effects = const [], // Default to no effects
     this.price = 0,
+    this.image,
   });
 
   String get typeName {
@@ -70,4 +72,4 @@ class Item {
         return "Accessory";
     }
   }
-}
+}

lib/providers/battle_provider.dart

@@ -515,8 +515,9 @@ class BattleProvider with ChangeNotifier {
 
   void sellItem(Item item) {
     if (player.inventory.remove(item)) {
-      player.gold += item.price;
-      _addLog("Sold ${item.name} for ${item.price} G.");
+      int sellPrice = GameMath.floor(item.price * 0.6);
+      player.gold += sellPrice;
+      _addLog("Sold ${item.name} for $sellPrice G.");
       notifyListeners();
     }
   }