From a803b2d87911a9168f4d420ee2ef41beb0f34fae Mon Sep 17 00:00:00 2001
From: KRUGSON <jonas-krug@outlook.de>
Date: Sun, 5 Feb 2023 03:13:57 +0100
Subject: [PATCH] added function for user to accept instructions

---
 src/c/main.c | 90 ++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 76 insertions(+), 14 deletions(-)

diff --git a/src/c/main.c b/src/c/main.c
index 9448ed1..b0df59e 100644
--- a/src/c/main.c
+++ b/src/c/main.c
@@ -1,27 +1,89 @@
-//BIBs
+// BIBs
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <string.h>
 
 bool gameRunning;
+bool acceptedRules;
+
+// content
+char *gameInstructionsFile = "../../src/content/game_instructions.txt";
+
+// function declarations
+void printInit();
 
 int main()
 {
-	//define variables
-	char userInput[20]; //maximum defined user input length
-	gameRunning = 1; 
+	// define variables
+	char userInput[20]; // maximum defined user input length
+	gameRunning = 1;
+
+	// init and instructions
+	printInit();
 
-	while (gameRunning == 1) //while running
+	if (acceptedRules == 1)
 	{
-		// User Input
-		printf("User Input:");
-		scanf(" %s", userInput);
-		printf("\n");
-
-		//NEXT STEP:
-		//Processing
-		//processInput(userInput);
-	}
+		while (gameRunning == 1) // while running
+		{
+			// User Input
+			printf("User Input:");
+			scanf(" %s", userInput);
+			printf("\n");
 
+			// NEXT STEP:
+			// Processing
+			// processInput(userInput);
+		}
+	}
 	return 0;
+};
+
+// init dialogue
+void printInit()
+{
+	FILE *stream;
+	char *line = NULL;
+	size_t len = 0;
+	ssize_t read;
+
+	stream = fopen(gameInstructionsFile, "r");
+	if (stream == NULL)
+	{
+		printf("ERROR: couldn't open or find file: INSTRUCTIONS !\n");
+		exit(EXIT_FAILURE); // exit
+	}
+
+	/* print line by line from file */
+	while ((read = getline(&line, &len, stream)) != -1)
+	{
+		// printf("Retrieved line of length %u :\n", read);
+		printf("%s", line);
+	}
+
+	free(line);		/* Deallocate allocated memory */
+	fclose(stream); /* closing file */
+
+	char userInput[1];
+	bool inputState = 0;
+	int acceptCounter = 0;
+	while (inputState == 0)
+	{
+		scanf(" %c", userInput);
+		if (strcasecmp(userInput, "y") == 0)
+		{
+			acceptedRules = 1;
+			inputState = 1; //break while
+		}
+		else if (strcasecmp(userInput, "n") == 0)
+		{
+			printf("You didn't read our rules & instructions. The game will close now. \n\n");
+			acceptedRules = 0;
+			inputState = 1; //break while
+		}
+		else
+		{
+			printf("Invalid Input!\n");
+		}
+	}
 };
\ No newline at end of file