added sellItem to shop in game (main)

src/c/main.c

@@ -41,6 +41,7 @@ int main()
 {
 	// define variables
 	actualPlayer.id = 1;
+	actualPlayer.wallet = 100;
 	char userInput[20]; // maximum defined user input length
 	gameRunning = 1;
 
@@ -138,10 +139,15 @@ void processInput(char userInput[20])
 		Room actualRoom = map[playerPosition];
 		if (actualRoom.shopAvailable == 1)
 		{
-			int result = openShop(availableItems); // result > 0 -> integer = index of item OR result = 0 -> cancel
-			if (result > 0)
+			int *result =  malloc (sizeof (int) * 2);
+			result = openShop(availableItems, actualPlayer); // result > 0 -> integer = index of item OR result = 0 -> cancel
+			if (result[0] == 0)
 			{
-				actualPlayer = addItemToInventory(availableItems, result, actualPlayer);
+				actualPlayer = buyItem(availableItems, result[1], actualPlayer);
+			}
+			else if (result[0] == 1)
+			{
+				actualPlayer = sellItem(result[1], actualPlayer);
 			}
 		}
 		else

src/c/player.c

@@ -79,7 +79,7 @@ Player buyItem(Item *availableItems, int itemIndex, Player actualPlayer)
     {
         actualPlayer = addItemToInventory(availableItems, itemIndex, actualPlayer);
         actualPlayer = removeMoneyFromPlayer(actualPlayer, itemPrice);
-        printf("You bought item for %d$! Your balance is now: %d$\n", itemPrice, actualPlayer.wallet);
+        printf("You bought item[%d] for %d$! \nYour balance is now: %d$\n", itemIndex, itemPrice, actualPlayer.wallet);
         return actualPlayer;
     }
     else
@@ -91,9 +91,11 @@ Player buyItem(Item *availableItems, int itemIndex, Player actualPlayer)
 
 Player sellItem(int itemIndex, Player actualPlayer)
 {
+    int priceItemSell = actualPlayer.itemInventory[itemIndex].price;
     actualPlayer = addMoneyToPlayer(actualPlayer, actualPlayer.itemInventory[itemIndex].price / 2);
+    printf("Item has been sold for 50%% of the purchase price (purchase price: %d$)! \nYour balance is now: %d$\n", priceItemSell, actualPlayer.wallet);
+
     actualPlayer = removeItemFromInventory(itemIndex, actualPlayer);
-    printf("Item has been sold! Your balance is now: %d$\n", actualPlayer.wallet);
     return actualPlayer;
 }
 

src/c/shop.c

@@ -2,48 +2,143 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
+#include <ctype.h>
 
 #include "shop.h"
+#include "player.h"
 
-int openShop(Item *availableItems)
+int *openShop(Item *availableItems, Player actualPlayer)
 {
-    int userInput;
+    int mode = 0;
+    int *x = malloc(sizeof(int) * 2);
+
+    int userModeInput;
     fflush(stdout);
-    bool shopIsOpen = 1;
-    while (shopIsOpen == 1)
+    bool selectMode = 1;
+    while (selectMode == 1)
     {
-        printf("*** SHOP-Items *** \n\n");
-
-        // printf("%-5s %-30s %5s\n", "Index", "Name", "Price");
-        for (int i = 0; i < 6; i++)
+        printf("Please type '0' for buy or '1' to sell items!\n");
+        while (scanf(" %d", &userModeInput) != 1)
         {
-            printf("%-5d %-40s %5d$\n", availableItems[i].id, availableItems[i].itemName, availableItems[i].price);
+            printf("Invalid [index]. Please try again: ");
+            fflush(stdout);
         }
 
-        printf("\n-> to buy items type '[index of item]' \n-> write '0' to quit the shop'\n\n");
-
-        while (scanf("%d", &userInput) != 1)
+        if (userModeInput > 1 || userModeInput < 0)
         {
             printf("Invalid [index]. Please try again: ");
-            fflush(stdout);
         }
-
-        if (userInput > 0)
+        else if (userModeInput == 0)
+        {
+            mode = 0;
+            selectMode = 0;
+        }
+        else if (userModeInput == 1)
         {
-            return userInput;
-            // BUY ITEM added later -> addItemToInventory(userInput);
+            mode = 1;
+            selectMode = 0;
         }
-        else if (userInput == 0)
+    }
+
+    int userInput;
+    fflush(stdout);
+    bool shopIsOpen = 1;
+
+    if (mode == 0)
+    {
+
+        while (shopIsOpen == 1)
         {
-            shopIsOpen = 0;
-            printf("Enjoy your items, have a great day!\n");
-            return 0;
+            printf("*** SHOP-Items *** \n\n");
+
+            // printf("%-5s %-30s %5s\n", "Index", "Name", "Price");
+            for (int i = 0; i < 6; i++)
+            {
+                printf("%-5d %-40s %5d$\n", availableItems[i].id, availableItems[i].itemName, availableItems[i].price);
+            }
+
+            printf("\n-> to buy items type '[index of item]' \n-> write '0' to quit the shop'\n\n");
+
+            while (scanf(" %d", &userInput) != 1)
+            {
+                printf("Invalid [index]. Please try again: ");
+                fflush(stdout);
+            }
+
+            if (userInput > 0)
+            {
+                x[0] = mode;
+                x[1] = userInput;
+                return x;
+                // BUY ITEM added later -> addItemToInventory(userInput);
+            }
+            else if (userInput == 0)
+            {
+                shopIsOpen = 0;
+                printf("Enjoy your items, have a great day!\n");
+                x[0] = -1;
+                x[1] = -1;
+                return x;
+            }
+            else
+            {
+                printf("Invalid [index]. Please try again: ");
+            }
         }
-        else
+    }
+    else if (mode == 1)
+    {
+        while (shopIsOpen == 1)
         {
-            printf("Invalid [index]. Please try again: ");
+            if (actualPlayer.itemCounter > 0)
+            {
+                printf("*** Your inventory *** \n\n");
+
+                // printf("%-5s %-30s %5s\n", "Index", "Name", "Price");
+                for (int i = 0; i < actualPlayer.itemCounter; i++)
+                {
+                    printf("%-5d %-40s %5d$\n", i+1, actualPlayer.itemInventory[i].itemName, actualPlayer.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)
+                {
+                    printf("Invalid [index]. Please try again: ");
+                    fflush(stdout);
+                }
+
+                if (userInput > 0)
+                {
+                    x[0] = mode;
+                    x[1] = userInput-1; //index begin on 1 because we will cancel with 0
+                    return x;
+                    //  BUY ITEM added later -> addItemToInventory(userInput);
+                }
+                else if (userInput == 0)
+                {
+                    shopIsOpen = 0;
+                    printf("Enjoy your money, have a great day!\n");
+                    x[0] = -1;
+                    x[1] = -1;
+                    return x;
+                }
+                else
+                {
+                    printf("Invalid [index]. Please try again: ");
+                }
+            }
+            else
+            {
+                shopIsOpen = 0;
+                printf("*** Your inventory is empty *** \n\n");
+                x[0] = -1;
+                x[1] = -1;
+                return x;
+            }
         }
     }
 
-    return 0;
+    x[0] = -1;
+    return x;
 }

src/c/shop.h

@@ -2,7 +2,8 @@
 #define SHOP_H
 
 #include "items.h"
+#include "player.h"
 
-int openShop(Item *availableItems);
+int *openShop(Item *availableItems, Player actualPlayer);
 
 #endif