From b450c1b2aed138df48a1fc0aa40e3fa679a7db08 Mon Sep 17 00:00:00 2001
From: w-mj <w.mingjian@yahoo.com>
Date: Mon, 25 Dec 2017 11:43:08 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BD=A6=E7=A6=BB=E5=BC=80=E7=9A=84=E9=80=BB?=
 =?UTF-8?q?=E8=BE=91=E6=AD=A3=E7=A1=AE?=
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---
 car.cpp               |  7 +++++++
 parkingLotManager.cpp | 25 ++++++++++++++++++++++---
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/car.cpp b/car.cpp
index 9d9bfaf..cd03b72 100644
--- a/car.cpp
+++ b/car.cpp
@@ -1,5 +1,6 @@
 #include "car.h"
 #include "logwindow.h"
+#include <QTimer>
 
 
 Car::Car(ParkingLotManager * manager, QGraphicsItem *parent, int dir, Car::Color color) :
@@ -35,6 +36,12 @@ 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);
+
+    // 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)
diff --git a/parkingLotManager.cpp b/parkingLotManager.cpp
index 1d52d5e..8ab97fc 100644
--- a/parkingLotManager.cpp
+++ b/parkingLotManager.cpp
@@ -136,8 +136,17 @@ void ParkingLotManager::drawPath(int n1, int n2)
 void ParkingLotManager::requestOut(Car *car, int exit)
 {
     if (exit != -1)
-        exit = rand() % m_num_of_entry;
-    Path *p; // TODO：请求出口
+        exit = rand() % m_num_of_entry + 1;
+    Path *p;
+    if (car->getCurrentFloor() == 1)
+        p = m_graph[1]->findPath(NODE_TYPE::space, car->getNum(), NODE_TYPE::exit, exit);
+    else
+        p = m_graph[car->getCurrentFloor()]->
+                findPath(NODE_TYPE::space, car->getNum(), NODE_TYPE::stair, exit);
+    car->setNum(-exit);  // 负数代表出口
+    car->setPath(p);
+    car->setTargetFloor(1);
+    car->followPath();
 }
 
 void ParkingLotManager::requestStair(Car *car)
@@ -145,9 +154,17 @@ void ParkingLotManager::requestStair(Car *car)
     int l = car->getTargetFloor();
     int n = car->getNum();
     int e = car->getEntryNum();
-    Path *p = m_graph[l]->findPath(NODE_TYPE::stair, e, NODE_TYPE::space, n);
+    Path *p;
+    if (n > 0)
+        p = m_graph[l]->findPath(NODE_TYPE::stair, e, NODE_TYPE::space, n);
+    else
+        p = m_graph[l]->findPath(NODE_TYPE::stair, e, NODE_TYPE::exit, -n);
     car->setPath(p);
     car->setCurrentFloor(l);
+    if (l == static_cast<int>(m_current_floor))
+        car->show();
+    else
+        car->hide();
     car->followPath();
 }
 
@@ -184,6 +201,8 @@ void ParkingLotManager::leave(Car* car)
     Log::i(QString("有车离开，当前共有%1个空车位").arg(m_pool.size()));
     emit carLeave();
     emit setLoad(QString::number(m_capacity.at(l) - m_num_of_cars[l]));  // 更新剩余车位
+    car->hide();
+    delete car;
 }
 
 void ParkingLotManager::addCar(int entry)