app.py

#!/usr/bin/env python
# encoding: utf-8
"""
The minigame 2048 in python with Flask Web GUI
"""
import random
from flask import Flask, render_template, jsonify, request, session
import os

app = Flask(__name__)
app.secret_key = os.urandom(24)

# 颜色配置 - 为不同数字设置背景色
TILE_COLORS = {
    0: {'bg': '#cdc1b4', 'color': '#776e65'},
    2: {'bg': '#eee4da', 'color': '#776e65'},
    4: {'bg': '#ede0c8', 'color': '#776e65'},
    8: {'bg': '#f2b179', 'color': '#f9f6f2'},
    16: {'bg': '#f59563', 'color': '#f9f6f2'},
    32: {'bg': '#f67c5f', 'color': '#f9f6f2'},
    64: {'bg': '#f65e3b', 'color': '#f9f6f2'},
    128: {'bg': '#edcf72', 'color': '#f9f6f2'},
    256: {'bg': '#edcc61', 'color': '#f9f6f2'},
    512: {'bg': '#edc850', 'color': '#f9f6f2'},
    1024: {'bg': '#edc53f', 'color': '#f9f6f2'},
    2048: {'bg': '#edc22e', 'color': '#f9f6f2'},
}

def get_tile_style(value):
    """获取数字格子的样式"""
    if value in TILE_COLORS:
        return TILE_COLORS[value]
    # 对于更大的数字，使用默认颜色
    return {'bg': '#3c3a32', 'color': '#f9f6f2'}

def init():
    """初始化游戏矩阵"""
    matrix = [0 for i in range(16)]
    random_lst = random.sample(range(16), 2)
    matrix[random_lst[0]] = matrix[random_lst[1]] = 2
    return matrix

def get_random_number(matrix):
    """
    根据游戏规则获取随机数
    - 基础随机数：2, 4
    - 当矩阵中有数字超过128时，可能出现16、32
    """
    max_val = max(matrix)
    
    if max_val > 128:
        # 有数字超过128，可以出现16、32
        weights = [50, 30, 15, 5]  # 2, 4, 8, 16, 32 的权重
        choices = [2, 4, 8, 16, 32]
        return random.choices(choices, weights=weights + [5])[0]
    else:
        # 基础随机数 2 和 4
        weights = [80, 20]
        choices = [2, 4]
        return random.choices(choices, weights=weights)[0]

def move(matrix, direction):
    """移动矩阵"""
    matrix = list(matrix)  # 创建副本
    mergedList = []
    changed = False
    
    if direction == 'w':  # 上
        for i in range(16):
            j = i
            while j - 4 >= 0:
                if matrix[j-4] == 0 and matrix[j] != 0:
                    matrix[j-4] = matrix[j]
                    matrix[j] = 0
                    changed = True
                elif matrix[j-4] == matrix[j] and matrix[j] != 0 and j not in mergedList:
                    matrix[j-4] *= 2
                    matrix[j] = 0
                    mergedList.append(j-4)
                    mergedList.append(j)
                    changed = True
                j -= 4
    elif direction == 's':  # 下
        for i in range(15, -1, -1):
            j = i
            while j + 4 < 16:
                if matrix[j+4] == 0 and matrix[j] != 0:
                    matrix[j+4] = matrix[j]
                    matrix[j] = 0
                    changed = True
                elif matrix[j+4] == matrix[j] and matrix[j] != 0 and j not in mergedList:
                    matrix[j+4] *= 2
                    matrix[j] = 0
                    mergedList.append(j)
                    mergedList.append(j+4)
                    changed = True
                j += 4
    elif direction == 'a':  # 左
        for i in range(16):
            j = i
            while j % 4 != 0:
                if matrix[j-1] == 0 and matrix[j] != 0:
                    matrix[j-1] = matrix[j]
                    matrix[j] = 0
                    changed = True
                elif matrix[j-1] == matrix[j] and matrix[j] != 0 and j not in mergedList:
                    matrix[j-1] *= 2
                    matrix[j] = 0
                    mergedList.append(j-1)
                    mergedList.append(j)
                    changed = True
                j -= 1
    elif direction == 'd':  # 右
        for i in range(15, -1, -1):
            j = i
            while j % 4 != 3:
                if matrix[j+1] == 0 and matrix[j] != 0:
                    matrix[j+1] = matrix[j]
                    matrix[j] = 0
                    changed = True
                elif matrix[j+1] == matrix[j] and matrix[j] != 0 and j not in mergedList:
                    matrix[j+1] *= 2
                    matrix[j] = 0
                    mergedList.append(j)
                    mergedList.append(j+1)
                    changed = True
                j += 1
    
    return matrix, changed

def insert(matrix):
    """在空位置插入随机数"""
    getZeroIndex = []
    for i in range(16):
        if matrix[i] == 0:
            getZeroIndex.append(i)
    
    if getZeroIndex:
        randomZeroIndex = random.choice(getZeroIndex)
        matrix[randomZeroIndex] = get_random_number(matrix)
    return matrix

def is_over(matrix):
    """检查游戏是否结束"""
    if 0 in matrix:
        return False
    else:
        for i in range(16):
            if i % 4 != 3:
                if matrix[i] == matrix[i+1]:
                    return False
            if i < 12:
                if matrix[i] == matrix[i+4]:
                    return False
    return True

def is_win(matrix):
    """检查是否获胜"""
    return 2048 in matrix

@app.route('/')
def index():
    """渲染游戏页面"""
    return render_template('index.html')

@app.route('/api/init', methods=['POST'])
def api_init():
    """初始化游戏API"""
    matrix = init()
    session['matrix'] = matrix
    session['score'] = 0
    session['history'] = [list(matrix)]
    
    # 为每个格子添加样式信息
    tiles = []
    for i, val in enumerate(matrix):
        style = get_tile_style(val)
        tiles.append({
            'value': val,
            'index': i,
            'bg': style['bg'],
            'color': style['color']
        })
    
    return jsonify({
        'matrix': matrix,
        'tiles': tiles,
        'score': 0,
        'game_over': False,
        'win': False
    })

@app.route('/api/move', methods=['POST'])
def api_move():
    """移动API"""
    data = request.get_json()
    direction = data.get('direction')
    
    matrix = session.get('matrix', [0]*16)
    score = session.get('score', 0)
    history = session.get('history', [])
    
    new_matrix, changed = move(matrix, direction)
    
    if changed:
        # 计算得分（合并产生的数值）
        for i in range(16):
            if new_matrix[i] != matrix[i] and matrix[i] != 0:
                # 这是一个合并操作
                pass
        
        new_matrix = insert(new_matrix)
        history.append(list(new_matrix))
        session['matrix'] = new_matrix
        session['history'] = history
        session['score'] = score
    
    # 为每个格子添加样式信息
    tiles = []
    for i, val in enumerate(new_matrix):
        style = get_tile_style(val)
        tiles.append({
            'value': val,
            'index': i,
            'bg': style['bg'],
            'color': style['color']
        })
    
    return jsonify({
        'matrix': new_matrix,
        'tiles': tiles,
        'score': score,
        'changed': changed,
        'game_over': is_over(new_matrix),
        'win': is_win(new_matrix)
    })

@app.route('/api/back', methods=['POST'])
def api_back():
    """撤销操作API"""
    history = session.get('history', [])
    
    if len(history) > 1:
        history.pop()
        matrix = list(history[-1])
        session['matrix'] = matrix
        session['history'] = history
        
        # 为每个格子添加样式信息
        tiles = []
        for i, val in enumerate(matrix):
            style = get_tile_style(val)
            tiles.append({
                'value': val,
                'index': i,
                'bg': style['bg'],
                'color': style['color']
            })
        
        return jsonify({
            'matrix': matrix,
            'tiles': tiles,
            'score': session.get('score', 0),
            'success': True
        })
    
    return jsonify({
        'success': False,
        'message': '无法继续撤销'
    })

@app.route('/api/new_game', methods=['POST'])
def api_new_game():
    """新游戏API"""
    return api_init()

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=5000)