添加了公交车控制类

include/busModel.h

@@ -0,0 +1,54 @@
+//
+// Created by ricardo on 2022/6/10.
+//
+
+#ifndef AUTO_BUS_GUI_BUS_MODEL_H
+#define AUTO_BUS_GUI_BUS_MODEL_H
+
+#include "railsModel.h"
+#include "queryModel.h"
+#include "define.h"
+
+#include "string"
+#include "sstream"
+
+class BusControllerModel
+{
+public:
+    /**
+     * 指向公交车所在站点的指针
+     */
+    rail_node_t *rail_pos;
+
+    /**
+     * 当前行进的距离
+     */
+    int distance;
+
+    /**
+     * 轨道对象
+     */
+    RailsModel *rail_manager;
+
+    /**
+     * 请求控制对象
+     */
+    QueryModel *query_manager;
+
+    /**
+     * 构造函数
+     */
+    BusControllerModel(RailsModel *railsModel, QueryModel *queryModel);
+
+    /**
+     * 析构函数
+     */
+    ~BusControllerModel();
+
+    std::string PrintState();
+
+private:
+    int GetBusPosition() const;
+};
+
+#endif //AUTO_BUS_GUI_BUS_MODEL_H

src/busModel.cpp

@@ -0,0 +1,122 @@
+//
+// Created by ricardo on 2022/6/10.
+//
+
+#include "busModel.h"
+
+BusControllerModel::BusControllerModel(RailsModel *railsModel, QueryModel *queryModel)
+{
+    rail_manager = railsModel;
+    query_manager = queryModel;
+
+    // 公交车开始时停在轨道起始处
+    rail_pos = railsModel->rails;
+    distance = 0;
+}
+
+BusControllerModel::~BusControllerModel()
+{
+    delete(rail_manager);
+    delete(query_manager);
+}
+
+int BusControllerModel::GetBusPosition() const
+{
+    int result = 0;
+    rail_node_t *now_pos = rail_pos;
+    rail_node_t *node = rail_manager->rails;
+
+    // 先求一下当前所在位置离起始点的距离
+    do
+    {
+        result += node->next_node_distance;
+        node = node->next_node;
+    } while (node != now_pos);
+
+    if (now_pos == rail_manager->rails)
+    {
+        int length = distance;
+        if(length >= 0)
+        {
+            return length;
+        }
+        else
+        {
+            return result + length;
+        }
+    }
+    else if (now_pos == rail_manager->rails->last_node)
+    {
+        int length = distance;
+        if (length == now_pos->next_node_distance)
+        {
+            return 0;
+        }
+        else
+        {
+            return distance + length;
+        }
+    }
+    else
+    {
+        return result + distance;
+    }
+}
+
+std::string BusControllerModel::PrintState()
+{
+    int count, flag = 1;
+    rail_node_t *node;
+    char target[25], clockwise[25], counterclockwise[25];
+
+    //遍历轨道链表，将所有站点初始化为0，即：无任何请求；
+    for (count = 0, node = rail_manager->rails; flag == 1 || node != rail_manager->rails;
+        node = node->next_node, count++)
+    {
+        flag=0;
+        target[count] = '0';
+        clockwise[count] = '0';
+        counterclockwise[count] = '0';
+    }
+
+    // 在字符串的末尾填0
+    target[count] = '\0';
+    clockwise[count] = '\0';
+    counterclockwise[count] = '\0';
+
+    bus_query_t *query = query_manager->queries;
+    int pos;
+
+    while (query != nullptr)
+    {
+        pos = query->node->id - 1;
+
+        if(query->type == BUS_CLOCK_WISE)
+        {
+            clockwise[pos] = '1';
+        }
+        else if (query->type == BUS_COUNTER_CLOCK_WISE)
+        {
+            counterclockwise[pos] = '1';
+        }
+        else
+        {
+            target[pos] = '1';
+        }
+
+        query = query->next_node;
+    }
+
+    std::stringstream format;
+
+    // 格式化输出字符串
+    format << "Time:" << std::endl
+           << "BUS:" << std::endl
+           << "position:" << GetBusPosition() << std::endl
+           << "target:" << target << std::endl
+           << "STATION:" << std::endl
+           << "clockwise:" << clockwise << std::endl
+           << "counterclockwise:" << counterclockwise << std::endl;
+
+    return format.str();
+}