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chatroom/app/Http/Controllers/FishingController.php

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<?php
/**
* 文件功能:钓鱼小游戏控制器
*
* 新增随机浮漂点击防挂机机制:
* - 抛竿时生成一次性 token 和随机浮漂坐标(百分比),返回给前端
* - 前端显示漂浮动画,等待下沉后用户点击,将 token 随收竿请求提交
* - 若持有有效「自动钓鱼卡」,前端直接自动点击,无需手动操作
* - 服务端验证 token 有效性,防止脚本直接调用收竿接口
*
* @author ChatRoom Laravel
*
* @version 2.0.0
*/
namespace App\Http\Controllers;
use App\Enums\CurrencySource;
use App\Models\GameConfig;
use App\Models\Sysparam;
use App\Services\ChatStateService;
use App\Services\FishingService;
use App\Services\ShopService;
use App\Services\UserCurrencyService;
use App\Services\VipService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Redis;
use Illuminate\Support\Str;
class FishingController extends Controller
{
public function __construct(
private readonly ChatStateService $chatState,
private readonly VipService $vipService,
private readonly UserCurrencyService $currencyService,
private readonly ShopService $shopService,
private readonly FishingService $fishingService,
) {}
/**
* 抛竿 检查冷却和金币,扣除金币,生成浮漂 token 和随机坐标。
*
* 返回:
* wait_time 等待秒数(前端倒数后触发下沉动画)
* bobber_x/y 浮漂随机位置0-100 百分比)
* token 本次钓鱼唯一令牌(收竿时必须携带)
* auto_fishing 是否持有有效自动钓鱼卡(前端据此自动点击)
*
* @param int $id 房间ID
*/
public function cast(Request $request, int $id): JsonResponse
{
$user = Auth::user();
if (! $user) {
return response()->json(['status' => 'error', 'message' => '请先登录'], 401);
}
// 检查钓鱼全局开关
if (! GameConfig::isEnabled('fishing')) {
return response()->json(['status' => 'error', 'message' => '钓鱼功能暂未开放。'], 403);
}
// 1. 检查冷却时间Redis TTL
$cooldownKey = "fishing:cd:{$user->id}";
if (Redis::exists($cooldownKey)) {
$ttl = Redis::ttl($cooldownKey);
return response()->json([
'status' => 'error',
'message' => "钓鱼冷却中,还需等待 {$ttl} 秒。",
'cooldown' => $ttl,
], 429);
}
// 2. 检查金币是否足够
$cost = (int) (GameConfig::param('fishing', 'fishing_cost') ?? Sysparam::getValue('fishing_cost', '5'));
if (($user->jjb ?? 0) < $cost) {
return response()->json([
'status' => 'error',
'message' => "金币不足!钓鱼需要 {$cost} 金币,您当前只有 {$user->jjb} 金币。",
], 422);
}
// 3. 扣除金币
$this->currencyService->change(
$user, 'gold', -$cost,
CurrencySource::FISHING_COST,
"钓鱼抛竿消耗 {$cost} 金币",
$id,
);
$user->refresh();
// 4. 生成一次性 token存入 RedisTTL = 等待时间 + 收竿窗口 + 缓冲)
$waitMin = (int) (GameConfig::param('fishing', 'fishing_wait_min') ?? Sysparam::getValue('fishing_wait_min', '8'));
$waitMax = (int) (GameConfig::param('fishing', 'fishing_wait_max') ?? Sysparam::getValue('fishing_wait_max', '15'));
$waitTime = rand($waitMin, $waitMax);
$token = Str::random(32);
$tokenKey = "fishing:token:{$user->id}";
// token 有效期 = 等待时间 + 8秒点击窗口 + 5秒缓冲
// 同时把 cast 时间戳和 wait_time 一起存入,供 reel 做服务端时间校验
Redis::setex($tokenKey, $waitTime + 13, json_encode([
'token' => $token,
'cast_at' => time(),
'wait_time' => $waitTime,
]));
// 5. 生成随机浮漂坐标(百分比,避开边缘)
$bobberX = rand(15, 85); // 左右 15%~85%
$bobberY = rand(20, 65); // 上下 20%~65%
// 6. 检查是否持有有效自动钓鱼卡
$autoFishingMinutes = $this->shopService->getActiveAutoFishingMinutesLeft($user);
return response()->json([
'status' => 'success',
'message' => "已花费 {$cost} 金币,鱼竿已抛出!等待鱼儿上钩...",
'wait_time' => $waitTime,
'bobber_x' => $bobberX,
'bobber_y' => $bobberY,
'token' => $token,
'auto_fishing' => $autoFishingMinutes > 0,
'auto_fishing_minutes_left' => $autoFishingMinutes,
'cost' => $cost,
'jjb' => $user->jjb,
]);
}
/**
* 收竿 验证浮漂 token随机计算钓鱼结果更新经验/金币,广播到聊天室。
*
* 必须携带 token从抛竿接口获取否则判定为非法收竿。
*
* @param int $id 房间ID
*/
public function reel(Request $request, int $id): JsonResponse
{
$user = Auth::user();
if (! $user) {
return response()->json(['status' => 'error', 'message' => '请先登录'], 401);
}
// 1. 验证 token + 服务端时间校验(防止前端篡改 wait_time 跳过等待)
$tokenKey = "fishing:token:{$user->id}";
$storedJson = Redis::get($tokenKey);
$clientToken = $request->input('token', '');
if (! $storedJson) {
return response()->json([
'status' => 'error',
'message' => '鱼儿跑了!浮漂已超时,请重新抛竿。',
], 422);
}
$stored = json_decode($storedJson, true);
// 校验 token 一致性
if (($stored['token'] ?? '') !== $clientToken) {
return response()->json([
'status' => 'error',
'message' => '令牌无效,请重新抛竿。',
], 422);
}
// 校验服务端时间:距抛竿必须已过 wait_time 秒(允许 ±1s 误差)
$elapsed = time() - (int) ($stored['cast_at'] ?? 0);
$required = (int) ($stored['wait_time'] ?? 0);
if ($elapsed < $required - 1) {
return response()->json([
'status' => 'error',
'message' => '鱼还没上钩,别急!',
], 422);
}
// 清除 token一次性
Redis::del($tokenKey);
// 2. 设置冷却时间
$cooldown = (int) (GameConfig::param('fishing', 'fishing_cooldown') ?? Sysparam::getValue('fishing_cooldown', '300'));
Redis::setex("fishing:cd:{$user->id}", $cooldown, time());
// 3. 随机决定钓鱼结果并广播(直接调用服务)
$result = $this->fishingService->processCatch($user, $id, false);
return response()->json([
'status' => 'success',
'result' => $result,
'exp_num' => $user->exp_num,
'jjb' => $user->jjb,
'cooldown_seconds' => $cooldown, // 前端自动钓鱼卡循环等待用
]);
}
}