添加了轨道类

CMakeLists.txt

@@ -18,9 +18,11 @@ include_directories(
         ${PROJECT_SOURCE_DIR}/include
         ${PROJECT_SOURCE_DIR}/src/header
 )
+
 aux_source_directory(${PROJECT_SOURCE_DIR}/src SRCS)
 
 add_executable(auto_bus_gui main.cpp ${SRCS})
+
 target_link_libraries(auto_bus_gui
         Qt::Core
         Qt::Gui

include/railsModel.h

@@ -0,0 +1,51 @@
+//
+// Created by ricardo on 2022/6/10.
+//
+
+#ifndef AUTO_BUS_GUI_RAILSMODEL_H
+#define AUTO_BUS_GUI_RAILSMODEL_H
+#include "cstdlib"
+
+struct rail_node{
+    /**
+     * 站点的编号
+     */
+    int id;
+    /**
+     * 距离上一个站点的距离
+     */
+    int last_node_distance;
+    /**
+     * 距离下一个站点的距离
+     */
+    int next_node_distance;
+    /**
+     * 指向上一个站点的指针
+     */
+    struct rail_node* last_node;
+    /**
+     * 指向下一个站点的指针
+     */
+    struct rail_node* next_node;
+};
+
+typedef struct rail_node rail_node_t;
+
+class RailsModel
+{
+
+public:
+    /**
+     * 轨道的头节点
+     */
+    rail_node_t *rails;
+
+    explicit RailsModel(int distance = 2, int node_number = 5);
+    rail_node_t *FindNode(int node_num) const;
+    ~RailsModel();
+
+
+
+};
+
+#endif //AUTO_BUS_GUI_RAILSMODEL_H

src/railsModel.cpp

@@ -0,0 +1,77 @@
+//
+// Created by ricardo on 2022/6/10.
+//
+
+#include "railsModel.h"
+
+RailsModel::RailsModel(int distance, int node_number)
+{
+    rail_node_t *head;
+    rail_node_t *node;
+
+    head = (rail_node_t *) malloc(sizeof(rail_node_t));
+    head->id = 1;
+    head->last_node_distance = distance;
+    head->next_node_distance = distance;
+
+    node = head;
+    // 循环创建每一个节点
+    for(int i = 2; i <= node_number; i++)
+    {
+        auto *p = (rail_node_t*) malloc(sizeof (rail_node_t));
+
+        p->id = i;
+        p->last_node_distance = distance;
+        p->next_node_distance = distance;
+        p->last_node = node;
+        node->next_node = p;
+        node = p;
+    }
+
+    // 将链表头尾链接起来
+    node->next_node = head;
+    head->last_node = node;
+
+    rails = head;
+}
+
+RailsModel::~RailsModel()
+{
+    rail_node_t *node = rails;
+
+    // 断开头尾节点
+    node->last_node->next_node = nullptr;
+
+    while (node != nullptr)
+    {
+        rail_node_t *p = node;
+        node = node->next_node;
+        free(p);
+    }
+
+    // 将指针置为空
+    rails = nullptr;
+}
+
+rail_node_t *RailsModel::FindNode(int node_num) const
+{
+    if (rails == nullptr)
+    {
+        return nullptr;
+    }
+
+    rail_node_t *result = nullptr;
+    rail_node_t *node = rails;
+
+    do
+    {
+        if(node->id == node_num)
+        {
+            result = node;
+            break;
+        }
+        node = node->next_node;
+    } while (node != rails);
+
+    return result;
+}