121 lines
3.6 KiB
Dart
121 lines
3.6 KiB
Dart
import 'package:flame/components.dart';
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import 'package:flame/events.dart';
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import 'package:flutter/material.dart';
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/// نسبت ابعاد کارت (۵۰۰×۷۲۶ منبع).
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const double kCardRatio = 726 / 500;
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/// یک کارت روی میز؛ اگر تصویر `assets/images/cards/<code>.png` موجود باشد از آن
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/// استفاده میکند، وگرنه نسخهی برداری میکشد. برای پشت کارت `back.jpg`.
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class CardComponent extends PositionComponent with TapCallbacks, HasGameReference {
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final String code; // مثل "AS"؛ برای پشت کارت خالی
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final bool faceUp;
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VoidCallback? onTap; // با تغییر نوبت/مجازبودن بهروز میشود
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bool dimmed; // کارت غیرمجاز/غیرفعال
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Sprite? _sprite;
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CardComponent({
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required this.code,
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required this.faceUp,
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this.onTap,
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this.dimmed = false,
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super.position,
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super.size,
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super.angle,
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super.priority,
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super.anchor = Anchor.center,
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});
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@override
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Future<void> onLoad() async {
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try {
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_sprite = await game.loadSprite(faceUp ? 'cards/$code.png' : 'cards/back.jpg');
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} catch (_) {
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_sprite = null; // fallback برداری
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}
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}
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@override
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void onTapDown(TapDownEvent event) {
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if (onTap != null && !dimmed) onTap!.call();
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}
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@override
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void render(Canvas canvas) {
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final rect = size.toRect();
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final radius = Radius.circular(size.x * 0.09);
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final rrect = RRect.fromRectAndRadius(rect, radius);
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if (_sprite != null) {
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canvas.save();
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canvas.clipRRect(rrect);
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_sprite!.render(canvas, size: size);
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canvas.restore();
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} else if (faceUp) {
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_drawVectorFace(canvas, rrect);
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} else {
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_drawVectorBack(canvas, rrect);
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}
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if (dimmed) {
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canvas.drawRRect(rrect, Paint()..color = const Color(0x73000000));
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}
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canvas.drawRRect(
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rrect,
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Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 1.5
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..color = const Color(0xFF1A1A1A),
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);
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}
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void _drawVectorBack(Canvas canvas, RRect rrect) {
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canvas.drawRRect(rrect, Paint()..color = const Color(0xFF1C3A66));
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final inner = rrect.deflate(size.x * 0.08);
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canvas.drawRRect(
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inner,
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Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 2
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..color = const Color(0xFFE9B949),
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);
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}
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void _drawVectorFace(Canvas canvas, RRect rrect) {
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canvas.drawRRect(rrect, Paint()..color = Colors.white);
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final rank = code.substring(0, code.length - 1);
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final suit = code.substring(code.length - 1);
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final (symbol, color) = _suit(suit);
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_text(canvas, '$rank$symbol', size.x * 0.26, color,
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Offset(size.x * 0.08, size.y * 0.05));
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// نماد بزرگ وسط
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_text(canvas, symbol, size.x * 0.5, color,
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Offset(size.x * 0.5, size.y * 0.5), center: true);
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}
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(String, Color) _suit(String s) {
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switch (s) {
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case 'H':
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return ('♥', const Color(0xFFD32F2F));
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case 'D':
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return ('♦', const Color(0xFFD32F2F));
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case 'C':
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return ('♣', const Color(0xFF1A1A1A));
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default:
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return ('♠', const Color(0xFF1A1A1A));
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}
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}
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void _text(Canvas canvas, String s, double fontSize, Color color, Offset at,
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{bool center = false}) {
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final tp = TextPainter(
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text: TextSpan(
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text: s, style: TextStyle(color: color, fontSize: fontSize)),
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textDirection: TextDirection.ltr,
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)..layout();
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final offset = center ? at - Offset(tp.width / 2, tp.height / 2) : at;
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tp.paint(canvas, offset);
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}
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}
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