From aa0868d50d4455970e0654b0d3c0da19df49a53a Mon Sep 17 00:00:00 2001
From: w-mj <w.mingjian@yahoo.com>
Date: Mon, 25 Dec 2017 15:25:45 +0800
Subject: [PATCH] =?UTF-8?q?=E7=9C=8B=E5=8A=A8=E7=94=BB?=
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---
 car.cpp               | 14 +++++++-------
 car.h                 |  3 +++
 parkingLotManager.cpp | 17 +++++++++++++++--
 parkingLotManager.h   |  2 ++
 4 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/car.cpp b/car.cpp
index 8ba105d..910e53a 100644
--- a/car.cpp
+++ b/car.cpp
@@ -37,14 +37,8 @@ Car::Car(ParkingLotManager * manager, QGraphicsItem *parent, int dir, Car::Color
     connect(this, &Car::queueHead, manager, &ParkingLotManager::requestIn);
     connect(this, &Car::exit, manager, &ParkingLotManager::leave);
     connect(this, &Car::stair, manager, &ParkingLotManager::requestStair);
-
+    connect(this, &Car::out, manager, &ParkingLotManager::requestOut);
     m_number = "1234";
-
-    // 测试:创建10s后离开
-    QTimer *timer = new QTimer(this);
-    connect(timer, &QTimer::timeout, [this, manager](){emit manager->requestOut(this);});
-    timer->setSingleShot(true);
-    timer->start(10000);
 }
 
 void Car::Forward(qreal vel)
@@ -228,6 +222,12 @@ void Car::setStartTime(const QTime &value)
     startTime = value;
 }
 
+void Car::leaveProbability(int p)
+{
+    if (rand() % 100 + 1 < p)
+        emit out(this, -1);
+}
+
 int Car::getTargetFloor() const
 {
     return targetFloor;
diff --git a/car.h b/car.h
index 58cc264..ad773b2 100644
--- a/car.h
+++ b/car.h
@@ -68,6 +68,8 @@ public:
     QTime getStartTime() const;
     void setStartTime(const QTime &value);
 
+    void leaveProbability(int p);
+
 private:
     Status m_status;
     Color   m_color;      //车身颜色 N为0， 顺时针递增
@@ -89,6 +91,7 @@ signals:
     void stair(Car* car);
     void exit(Car* car);
     void queueHead(Car* car);
+    void out(Car *car ,int);
 };
 
 #endif // CAR_H
diff --git a/parkingLotManager.cpp b/parkingLotManager.cpp
index e5362eb..f29fcdf 100644
--- a/parkingLotManager.cpp
+++ b/parkingLotManager.cpp
@@ -57,6 +57,10 @@ ParkingLotManager::ParkingLotManager(QObject* objectParent, QGraphicsScene* scen
     generatePool(true);
     Adapter *adapter = new Adapter(objectParent, &m_all_cars);  // 注册model
     CarList::getInstance()->setAdapter(adapter);
+
+    QTimer *timer = new QTimer(this);
+    connect(timer, &QTimer::timeout, this, &ParkingLotManager::periodWork);
+    timer->start(1000);  // 轮询
 }
 
 void ParkingLotManager::showParkingLot(uint pos)
@@ -227,8 +231,6 @@ void ParkingLotManager::addCar(int entry)
     if (entry == -1)
         entry = (rand() % m_num_of_entry);
 
-    entry = 0;
-
     Car *car = new Car(this);
     car->setEntryNum(entry + 1);
     m_waitting[entry].append(car);
@@ -281,3 +283,14 @@ void ParkingLotManager::generatePool(bool sequence)
         std::random_shuffle(m_pool.begin(), m_pool.end());
     Log::i(QString("生成车位池成功，当前共有") + QString::number(m_pool.size()) + "个空车位");
 }
+
+void ParkingLotManager::periodWork()
+{
+    int generateProbability = 80;
+    if (rand() % 100 + 1 < generateProbability)
+        addCar();
+    for (auto c: m_all_cars) {
+        if (c->getStatus() == Car::parking)
+            c->leaveProbability(2);
+    }
+}
diff --git a/parkingLotManager.h b/parkingLotManager.h
index 34e0119..339cf8f 100644
--- a/parkingLotManager.h
+++ b/parkingLotManager.h
@@ -64,6 +64,8 @@ private:
 
     void generatePool(bool sequence);
 
+    void periodWork(void);
+
 signals:
     void enableUpButton(bool);
     void enableDownButton(bool);