game/lib/screens/inventory_screen.dart

551 lines
19 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/battle_provider.dart';
import '../game/model/item.dart';
import '../game/enums.dart';
import '../utils/item_utils.dart';
class InventoryScreen extends StatelessWidget {
const InventoryScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text("Inventory & Stats")),
body: Consumer<BattleProvider>(
builder: (context, battleProvider, child) {
final player = battleProvider.player;
return Column(
children: [
// Player Stats Header
Card(
margin: const EdgeInsets.all(16.0),
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
Text(
player.name,
style: Theme.of(context).textTheme.headlineSmall,
),
const SizedBox(height: 8),
Text("Stage: ${battleProvider.stage}"),
const Divider(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
_buildStatItem(
"HP",
"${player.hp}/${player.totalMaxHp}",
),
_buildStatItem("ATK", "${player.totalAtk}"),
_buildStatItem("DEF", "${player.totalDefense}"),
_buildStatItem("Shield", "${player.armor}"),
_buildStatItem(
"Gold",
"${player.gold} G",
color: Colors.amber,
),
],
),
],
),
),
),
// Equipped Items Section (Slot based)
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 8.0,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
"Equipped Items",
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: EquipmentSlot.values.map((slot) {
final item = player.equipment[slot];
return Expanded(
child: InkWell(
onTap: item != null
? () => _showUnequipConfirmationDialog(
context,
battleProvider,
item,
)
: null,
child: Card(
color: item != null
? Colors.blueGrey[600]
: Colors.grey[800],
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
Text(
slot.name.toUpperCase(),
style: const TextStyle(
fontSize: 10,
fontWeight: FontWeight.bold,
color: Colors.grey,
),
),
const SizedBox(height: 4),
Icon(
ItemUtils.getIcon(slot),
size: 24,
color: item != null
? ItemUtils.getColor(slot)
: Colors.grey,
),
const SizedBox(height: 4),
Text(
item?.name ?? "Empty",
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 12,
color: item != null
? Colors.white
: Colors.grey,
),
overflow: TextOverflow.ellipsis,
),
if (item != null) _buildItemStatText(item),
],
),
),
),
),
);
}).toList(),
),
],
),
),
// Inventory (Bag) Section
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 8.0,
),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
"Bag (${player.inventory.length}/${player.maxInventorySize})",
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
),
),
Expanded(
child: GridView.builder(
padding: const EdgeInsets.all(16.0),
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 4,
crossAxisSpacing: 8.0,
mainAxisSpacing: 8.0,
),
itemCount: player.maxInventorySize,
itemBuilder: (context, index) {
if (index < player.inventory.length) {
final item = player.inventory[index];
return InkWell(
onTap: () {
// Show Action Dialog instead of direct Equip
_showItemActionDialog(context, battleProvider, item);
},
child: Card(
color: Colors.blueGrey[700],
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
ItemUtils.getIcon(item.slot),
size: 32,
color: ItemUtils.getColor(item.slot),
),
Padding(
padding: const EdgeInsets.all(4.0),
child: Text(
item.name,
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 10),
overflow: TextOverflow.ellipsis,
),
),
_buildItemStatText(item),
],
),
),
);
} else {
// Empty slot
return Container(
decoration: BoxDecoration(
border: Border.all(color: Colors.grey),
color: Colors.grey[800],
),
child: const Center(
child: Icon(Icons.add_box, color: Colors.grey),
),
);
}
},
),
),
],
);
},
),
);
}
Widget _buildStatItem(String label, String value, {Color? color}) {
return Column(
children: [
Text(label, style: const TextStyle(color: Colors.grey, fontSize: 12)),
Text(
value,
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 16,
color: color,
),
),
],
);
}
/// Shows a menu with actions for the selected item (Equip, Discard, etc.)
void _showItemActionDialog(
BuildContext context,
BattleProvider provider,
Item item,
) {
bool isShop = provider.currentStage.type == StageType.shop;
showDialog(
context: context,
builder: (ctx) => SimpleDialog(
title: Text("${item.name} Actions"),
children: [
SimpleDialogOption(
onPressed: () {
Navigator.pop(ctx);
_showEquipConfirmationDialog(context, provider, item);
},
child: const Padding(
padding: EdgeInsets.symmetric(vertical: 8.0),
child: Row(
children: [
Icon(Icons.shield, color: Colors.blue),
SizedBox(width: 10),
Text("Equip"),
],
),
),
),
if (isShop)
SimpleDialogOption(
onPressed: () {
Navigator.pop(ctx);
_showSellConfirmationDialog(context, provider, item);
},
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Row(
children: [
const Icon(Icons.attach_money, color: Colors.amber),
const SizedBox(width: 10),
Text("Sell (${item.price} G)"),
],
),
),
),
SimpleDialogOption(
onPressed: () {
Navigator.pop(ctx);
_showDiscardConfirmationDialog(context, provider, item);
},
child: const Padding(
padding: EdgeInsets.symmetric(vertical: 8.0),
child: Row(
children: [
Icon(Icons.delete, color: Colors.red),
SizedBox(width: 10),
Text("Discard"),
],
),
),
),
],
),
);
}
void _showSellConfirmationDialog(
BuildContext context,
BattleProvider provider,
Item item,
) {
showDialog(
context: context,
builder: (ctx) => AlertDialog(
title: const Text("Sell Item"),
content: Text("Sell ${item.name} for ${item.price} G?"),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: const Text("Cancel"),
),
ElevatedButton(
style: ElevatedButton.styleFrom(backgroundColor: Colors.amber),
onPressed: () {
provider.sellItem(item);
Navigator.pop(ctx);
},
child: const Text("Sell", style: TextStyle(color: Colors.black)),
),
],
),
);
}
void _showDiscardConfirmationDialog(
BuildContext context,
BattleProvider provider,
Item item,
) {
showDialog(
context: context,
builder: (ctx) => AlertDialog(
title: const Text("Discard Item"),
content: Text("Are you sure you want to discard ${item.name}?"),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: const Text("Cancel"),
),
ElevatedButton(
style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
onPressed: () {
provider.discardItem(item);
Navigator.pop(ctx);
},
child: const Text("Discard"),
),
],
),
);
}
void _showEquipConfirmationDialog(
BuildContext context,
BattleProvider provider,
Item newItem,
) {
final player = provider.player;
final oldItem = player.equipment[newItem.slot];
// Calculate predicted stats
final currentMaxHp = player.totalMaxHp;
final currentAtk = player.totalAtk;
final currentDef = player.totalDefense;
final currentHp = player.hp;
// Predict new stats
int newMaxHp = currentMaxHp - (oldItem?.hpBonus ?? 0) + newItem.hpBonus;
int newAtk = currentAtk - (oldItem?.atkBonus ?? 0) + newItem.atkBonus;
int newDef = currentDef - (oldItem?.armorBonus ?? 0) + newItem.armorBonus;
// Predict HP (Percentage Logic)
double ratio = currentMaxHp > 0 ? currentHp / currentMaxHp : 0.0;
int newHp = (newMaxHp * ratio).toInt();
if (newHp < 0) newHp = 0;
if (newHp > newMaxHp) newHp = newMaxHp;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
title: const Text("Change Equipment"),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
"Equip ${newItem.name}?",
style: const TextStyle(fontWeight: FontWeight.bold),
),
if (oldItem != null)
Text(
"Replaces ${oldItem.name}",
style: const TextStyle(fontSize: 12, color: Colors.grey),
),
const SizedBox(height: 16),
_buildStatChangeRow("Max HP", currentMaxHp, newMaxHp),
_buildStatChangeRow("Current HP", currentHp, newHp),
_buildStatChangeRow("ATK", currentAtk, newAtk),
_buildStatChangeRow("DEF", currentDef, newDef),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: const Text("Cancel"),
),
ElevatedButton(
onPressed: () {
provider.equipItem(newItem);
Navigator.pop(ctx);
},
child: const Text("Confirm"),
),
],
),
);
}
void _showUnequipConfirmationDialog(
BuildContext context,
BattleProvider provider,
Item itemToUnequip,
) {
final player = provider.player;
// Calculate predicted stats
final currentMaxHp = player.totalMaxHp;
final currentAtk = player.totalAtk;
final currentDef = player.totalDefense;
final currentHp = player.hp;
// Predict new stats (Subtract item bonuses)
int newMaxHp = currentMaxHp - itemToUnequip.hpBonus;
int newAtk = currentAtk - itemToUnequip.atkBonus;
int newDef = currentDef - itemToUnequip.armorBonus;
// Predict HP (Percentage Logic)
double ratio = currentMaxHp > 0 ? currentHp / currentMaxHp : 0.0;
int newHp = (newMaxHp * ratio).toInt();
if (newHp < 0) newHp = 0;
if (newHp > newMaxHp) newHp = newMaxHp;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
title: const Text("Unequip Item"),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
"Unequip ${itemToUnequip.name}?",
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
_buildStatChangeRow("Max HP", currentMaxHp, newMaxHp),
_buildStatChangeRow("Current HP", currentHp, newHp),
_buildStatChangeRow("ATK", currentAtk, newAtk),
_buildStatChangeRow("DEF", currentDef, newDef),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: const Text("Cancel"),
),
ElevatedButton(
onPressed: () {
provider.unequipItem(itemToUnequip);
Navigator.pop(ctx);
},
child: const Text("Confirm"),
),
],
),
);
}
Widget _buildStatChangeRow(String label, int oldVal, int newVal) {
int diff = newVal - oldVal;
Color color = diff > 0
? Colors.green
: (diff < 0 ? Colors.red : Colors.grey);
String diffText = diff > 0 ? "(+$diff)" : (diff < 0 ? "($diff)" : "");
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(label),
Row(
children: [
Text("$oldVal", style: const TextStyle(color: Colors.grey)),
const Icon(Icons.arrow_right, size: 16, color: Colors.grey),
Text(
"$newVal",
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(width: 4),
Text(
diffText,
style: TextStyle(
color: color,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
],
),
],
),
);
}
Widget _buildItemStatText(Item item) {
List<String> stats = [];
if (item.atkBonus > 0) stats.add("+${item.atkBonus} ATK");
if (item.hpBonus > 0) stats.add("+${item.hpBonus} HP");
if (item.armorBonus > 0) stats.add("+${item.armorBonus} DEF");
// Include effects
List<String> effectTexts = item.effects.map((e) => e.description).toList();
if (stats.isEmpty && effectTexts.isEmpty) return const SizedBox.shrink();
return Column(
children: [
if (stats.isNotEmpty)
Padding(
padding: const EdgeInsets.only(top: 2.0, bottom: 2.0),
child: Text(
stats.join(", "),
style: const TextStyle(fontSize: 10, color: Colors.blueAccent),
textAlign: TextAlign.center,
),
),
if (effectTexts.isNotEmpty)
Padding(
padding: const EdgeInsets.only(bottom: 2.0),
child: Text(
effectTexts.join("\n"),
style: const TextStyle(fontSize: 9, color: Colors.orangeAccent),
textAlign: TextAlign.center,
),
),
],
);
}
}