refactoring: shop output embellished

src/c/print_helper.c

@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <ctype.h>
+
+#include "print_helper.h"
+
+char *append(const char *s, char c);
+
+void printHeader(char *header)
+{
+    printf("\n");
+    int len = strlen(header);
+    
+    //set
+    int maxSize = len * 3 + 3; // 2 spaces | left - mid - right = 3 -> 3 times length of header
+    char pHeader[maxSize];
+
+
+    char ch = '*';
+    for (int i = 0; i < maxSize; i++)
+    {
+        pHeader[i] = ch;
+    }
+
+
+    printf("%.*s\n", maxSize, pHeader);
+    printf("%-*s %s %-*s \n", len, "", header, len, "");
+    printf("%.*s\n", maxSize, pHeader);
+
+}
+
+void printItem(char *header, char *item, int itemID, int itemPrice)
+{
+    int len = strlen(header);
+    int maxSizeForItem = (len * 3 + 3)-10;
+    
+    printf("%-*d %-*s %*d$ \n", 2, itemID, maxSizeForItem, item, 5, itemPrice);
+}
+
+char *append(const char *s, char c)
+{
+    int len = strlen(s);
+    char buf[len + 2];
+    strcpy(buf, s);
+    buf[len] = c;
+    buf[len + 1] = 0;
+    return strdup(buf);
+}

src/c/print_helper.h

@@ -0,0 +1,7 @@
+#ifndef PRINT_HELPER_H
+#define PRINT_HELPER_H
+
+void printHeader(char *header);
+void printItem(char *header, char *item, int itemID, int itemPrice);
+
+#endif

src/c/shop.c

@@ -49,12 +49,14 @@ int *openShop(Item *availableItems, Player player)
 
         while (shopIsOpen == 1)
         {
-            printf("*** SHOP-Items *** \n\n");
+            char *header = "SHOP-Items";
+            printHeader(header);
 
             // printf("%-5s %-30s %5s\n", "Index", "Name", "Price");
             for (int i = 0; i < 6; i++)
             {
-                printf("%-5d %-40s %5d$\n", availableItems[i].id, availableItems[i].itemName, availableItems[i].price);
+                //printf("%-5d %-40s %5d$\n", availableItems[i].id, availableItems[i].itemName, availableItems[i].price);
+                printItem(header, availableItems[i].itemName, availableItems[i].id, availableItems[i].price);
             }
 
             printf("\n-> to buy items type '[index of item]' \n-> write '0' to quit the shop'\n\n");
@@ -92,14 +94,17 @@ int *openShop(Item *availableItems, Player player)
         {
             if (player.itemCounter > 0)
             {
-                printf("*** Your inventory *** \n\n");
+                char *header = "Your inventory";
+
+                printHeader(header);
 
                 // printf("%-5s %-30s %5s\n", "Index", "Name", "Price");
                 for (int i = 0; i < player.itemCounter; i++)
                 {
-                    printf("%-5d %-40s %5d$\n", i+1, player.itemInventory[i].itemName, player.itemInventory[i].price);
+                    printItem(header, player.itemInventory[i].itemName, i+1, player.itemInventory[i].price);
                 }
 
+
                 printf("\n-> to sell items type '[index of item]' \n-> write '0' to quit the shop'\n\n");
 
                 while (scanf(" %d", &userInput) != 1)

src/c/shop.h

@@ -3,6 +3,7 @@
 
 #include "items.h"
 #include "player.h"
+#include "print_helper.h"
 
 int *openShop(Item *availableItems, Player player);