Update shop.h

项目源文件/顺序栈项目/shop.h

@@ -1,7 +1,201 @@
-void InitFrame();
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+/*
+模拟实现道具店购物功能
+商店暂时只支持一种类型的商品
+商品具备名称、价格、库存等属性
 
-void ShopMenu(Player* player) {
-	InitFrame();
-	printf("\33[%d;%dH这是一个非常牛逼的商店界面！", 10, 45);
-	getchar();
+模拟玩家购买游戏道具
+1.玩家选择要购买的道具
+2.玩家同意交易后扣除相应的游戏币
+3.对应商品库存-1
+4.玩家背包中增加商品或该商品数量+1
+*/
+
+//定义结构
+//1.商品结构
+typedef struct _prop {
+    int id;             //道具编号
+    char name[50];      //名称
+    int price;          //单价
+    int stock;          //库存,如果在背包里就表示此商品的叠加数量
+    char desc[200];     //功能描述
+}Prop;
+
+
+//2.背包结构
+typedef struct _bag
+{
+    int playerId;       //玩家编号
+    int count;          //当前背包中道具数量
+    int max;            //当前背包的插槽总数--可以rmb购买
+    Prop props[8];      //当前背包中的道具数组
+
+}Bag;
+
+//3.玩家结构
+typedef struct _player
+{
+    int id;             //玩家编号
+    char name[50];      //玩家名称/昵称
+    char pass[50];      //密码
+    Bag bag;            //玩家背包
+    double gold;        //钻石
+    double sysee;       //元宝数量
+}Player;
+
+int propsCount = 0;
+int playersCount = 0;
+Prop* props;
+Player* players;
+void Init();            //用来初始化游戏数据
+void ShowProps();       //显示商品
+void ShowPlayers();     //显示玩家信息
+
+/*交易函数
+*参数1：参与交易的玩家指针，方便修改交易后的金币数
+*参数2：玩家购买的商品Id
+*/
+void Trade(Player* player, int propId);
+
+
+int main()
+{
+    //1.初始化游戏数据
+    Init();
+    //2.打印初始化数据
+    printf("\n***********交易前*************\n");
+    ShowProps();
+    ShowPlayers();
+
+    Trade(&players[0], 3);
+    Trade(&players[1], 4);
+    printf("\n***********交易后*************\n");
+    ShowProps();
+    ShowPlayers();
+    return 0;
+}
+
+void Trade(Player* player, int propId)
+{
+    int i;
+    //需要判断：玩家商品的库存，玩家余额，背包空间
+    Prop* tradeProp=0;//要购买的商品指针
+    for (i = 0; i < propsCount; i++)
+    {
+        if (propId == props[i].id) {
+            tradeProp = &props[i];
+            break;
+        }
+    }
+    if (tradeProp->stock <= 0)
+    {
+
+        printf("玩家没有钱了");
+    }
+    if (player->gold < tradeProp->price)
+    {
+        printf("钱不够");
+        return;
+    }
+    if (player->bag.count >= player->bag.max && player->bag.count != 0)
+    {
+        printf("背包已满,交易失败！\n");
+        return;
+    }
+    //满足交易条件，执行交易操作
+    //1.商品库存-1
+    tradeProp->stock--;
+    //2.玩家金币-商品价格
+    player->gold -= tradeProp->price;
+    //3.玩家道具增加
+    /*判断玩家背包是否有该商品
+    *没有，将该商品加到背包中
+    *有，背包商品+1 */
+
+    for (i = 0; i < player->bag.count; i++)
+    {
+        //要买的商品的id 跟 背包中某个商品的id相同
+        if (propId == player->bag.props[i].id)
+        {
+            player->bag.props[i].stock++;
+            break;
+        }
+    }
+    //如果没有该商品，将该商品加到背包中
+    if (i == player->bag.count)
+    {
+        //向背包中创建一个商品,name和desc不能直接复制，需要strcpy()
+        int newIndex = player->bag.count;
+        player->bag.props[newIndex].id = tradeProp->id;
+        player->bag.props[newIndex].stock = 1;
+        player->bag.props[newIndex].price = tradeProp->price;
+        strcpy(player->bag.props[newIndex].desc, tradeProp->desc);
+        strcpy(player->bag.props[newIndex].name, tradeProp->name);
+        player->bag.count++;
+    }
+}
+
+void Init()
+{
+    //1.初始化数据
+    //道具初始化
+    static Prop propArray[] = {
+        {1,"胡桃",1000,10,"就是比小兵厉害的英雄"},
+        {2,"辽宁跑男",1000,10,"就是比小兵厉害的英雄"},
+        {3,"三姓家奴",1000,10,"就是比小兵厉害的英雄"},
+        {4,"赑屃",1000,10,"就是比小兵厉害的英雄"},
+        {5,"杀疯辣",1000,10,"就是比小兵厉害的英雄"},
+        {6,"护城河",1000,10,"就是比小兵厉害的英雄"},
+        {7,"招财猫猫",1000,10,"就是比小兵厉害的英雄"},
+        {8,"v1龙摆尾",1000,10,"就是比小兵厉害的英雄"},
+        {9,"这把算我赢",1000,10,"就是比小兵厉害的英雄"},
+        {10,"刀刀姬",1000,100,"小兵"},
+        {11,"小蘑菇",1000,100,"小兵"},
+        {12,"笨蛋小上仙",1000,100,"小兵"},
+        {13,"幼体猫猫头",1000,100,"小兵"},
+        {14,"基础猫猫头",1000,100,"小兵"},
+        {15,"强化猫猫头",1000,100,"小兵"},
+        {16,"精英猫猫头",1000,100,"小兵"},
+        {17,"终极猫猫头",1000,100,"小兵"},
+    };
+    propsCount = sizeof(propArray) / sizeof(Prop);//=5
+    props = propArray;//设定指针指向
+    //玩家初始化
+    static Player playerArray[] = {
+        {1,"小智","ystz",.gold = 10000,.bag.max = 8},
+        {2,"柯南","ystz",.gold = 10000,.bag.max = 8},
+    };
+    playersCount = 2;
+    players = playerArray;
+}
+
+void ShowProps()
+{
+    int i;
+    if (props == NULL) return;
+    printf("%-5s%-12s%-7s%-7s介绍\n", "编号", "名称", "单价", "库存");
+    for (i = 0; i < propsCount; i++)
+    {
+        printf("%-5d%-12s%d\t%d\t%s\n", props[i].id, props[i].name, props[i].price, props[i].stock, props[i].desc);
+    }
+    printf("\n");
+}
+
+void ShowPlayers()
+{
+    int i, j;
+    if (players == NULL) return;
+    printf("编号\t%-12s钻石\n", "名称");
+    for (i = 0; i < playersCount; i++)
+    {
+        printf("%d\t%-12s%.0lf\n", players[i].id, players[i].name, players[i].gold);
+        for (j = 0; j < players[i].bag.count; j++)
+        {
+            printf("玩家%s购买了%s获得了%d个\n", players[i].name, players[i].bag.props[j].name, players[i].bag.props[j].stock);
+        }
+        printf("\n");
+    }
+    printf("\n");
 }