Refractoring code base

Main.c

@@ -1,14 +1,15 @@
 /*
- * A (not to basic) 'Connect 4 Game' game implementation.
+ * A (not so basic) 'Connect 4 Game' implementation.
  *
  * Author: Tommaso Bocchietti
  * Email: [email protected]
  * Date: 2023-03-30
  *
- * This program let two players play the game of 'Connect 4 Game' on the same computer.
+ * This program let two players play the 'Connect 4 Game' on the same computer.
  * The game is played on a 6x7 board, and the first player to get four of his/her symbols in a row (horizontally, vertically or diagonally) wins.
  * The players take turns inserting their symbols into the board, and the game ends when one of the players wins, or when the board is full.
  * No graphics are provided, this is just a console application.
+ * It is possible to play personalized versions of the game by passing parameters to the program.
  *
  * License: MIT
  *
@@ -28,46 +29,46 @@
 int main(int argc, char *argv[])
 {
 
-	struct game game = setupGame(argc, argv);
+	struct Game game = setupGame(argc, argv);
 
 	// Game loop
 	while (true)
 	{
 
-		game.current_move.row = -1;
-		game.current_move.col = -1;
-		draw_board(game.board);
+		game.currentMove.row = -1;
+		game.currentMove.column = -1;
+		draw_board(game.gameBoard);
 
-		while (game.current_move.row == -1)
+		while (game.currentMove.row == -1)
 		{
-			printf("\n%s (", game.player_name[game.player_index]);
-			PRINT_COLOURED(game.board.colors[game.player_index], "%c", game.board.symbols[game.player_index]);
+			printf("\n%s (", game.playerName[game.currentPlayerIndex]);
+			PRINT_COLOURED(game.gameBoard.playerColors[game.currentPlayerIndex], "%c", game.gameBoard.playerSymbols[game.currentPlayerIndex]);
 			printf(") selects any column from 1 to 7: ");
-			while (scanf("%d", &game.current_move.col) != 1)
+			while (scanf("%d", &game.currentMove.column) != 1)
 			{
 				printf("You can enter only integer values: ");
 				scanf("%*s");
 			}
-			game.current_move.col--; // Because of the array index from 0 to 6
+			game.currentMove.column--; // Because of the array index from 0 to 6
 
-			game.current_move.row = insert_into_board(&game.board, game.player_index, game.current_move.col);
+			game.currentMove.row = insert_into_board(&game.gameBoard, game.currentPlayerIndex, game.currentMove.column);
 		};
 
-		if (check_winner(game.board, game.current_move))
+		if (check_winner(game.gameBoard, game.currentMove))
 		{
-			draw_board(game.board);
-			printf("\nCongratulations %s, you won! :)", game.player_name[game.player_index]);
+			draw_board(game.gameBoard);
+			printf("\nCongratulations %s, you won! :)", game.playerName[game.currentPlayerIndex]);
 			break;
 		}
 
-		if (check_tie(game.board))
+		if (check_tie(game.gameBoard))
 		{
-			draw_board(game.board);
+			draw_board(game.gameBoard);
 			printf("\nOhoh, looks like the game ended in draw...");
 			break;
 		}
 
-		game.player_index = (game.player_index + 1) % game.n_player;
+		game.currentPlayerIndex = (game.currentPlayerIndex + 1) % game.numPlayers;
 	};
 
 	printf("\n\n");

README.md

@@ -1,6 +1,6 @@
 # Connect_4_Game
 
-This is a **simple implementation of the Connect 4 Game game, developed during high school using basic concepts of C**.
+This is **a (not so basic) 'Connect 4 Game' implementation**, developed during high school using basic concepts of C and then improved during my free time.
 
 ![Initial board screenshot](Img/Initial_Screen.png)
 ![Winning board screenshot](Img/Winning_Screen.png)
@@ -17,12 +17,12 @@ The game will end when one of the players connects four pieces in a row, column
 
 ## How to compile
 
-To compile the game, you need to have the GCC compiler installed on your machine.
+You need to have the GCC compiler installed on your machine and a copy of the <getopt.h> header file.
 
 To compile the game, simply run the following command:
 
 ```shell
-gcc utils.c Main.c -o Connect_4_Game.exe -std=c99
+gcc Main.c board.c setup.c utils.c -o Connect_4_Game.exe
 ```
 
 ## How to run
@@ -33,6 +33,21 @@ To run the game, simply run the following command:
 ./Connect_4_Game
 ```
 
+### Options / Personalizations
+
+The game has some options that can be used to personalize the game.
+
+ - `-h` or `--help`: To show the help message and exit.
+ - `-b` or `--board`: To set a different board size in the format 'rows x columns'.
+ - `-p` or `--player`: To set the number of players.
+ - `-w` or `--winning`: To set the number of symbols to win.
+
+Here is an example of how to use the options set to the deafult values:
+
+```shell
+./Connect_4_Game -b 6x7 -p 2 -w 4
+```
+
 ## Improvements / pull requests
 
 Some things that could be improved are:
@@ -44,7 +59,6 @@ Some things that could be improved are:
 Since this repo is still at a very basic level of implementation and complexity, **I would love to see improvements!**
 Feel free to fork this repository, make pull requests or do whatever you want with it.
 
-
 Have a nice coding day,
 
 Tommaso :panda_face:

board.c

@@ -1,14 +1,13 @@
 /*
- * A simple 'Connect 4 Game' game implementation.
- *
  * Author: Tommaso Bocchietti
  * Email: [email protected]
- * Date: 2023-03-30
+ * Date: 2023-04-01
  *
- * This program let two players play the game of 'Connect 4 Game' on the same computer.
- * The game is played on a 6x7 board, and the first player to get four of his/her symbols in a row (horizontally, vertically or diagonally) wins.
- * The players take turns inserting their symbols into the board, and the game ends when one of the players wins, or when the board is full.
- * No graphics are provided, this is just a console application.
+ * This file is part of the 'Connect 4 Game' project.
+ * It contains the main function of the game, such as:
+ * - Draw the board
+ * - Insert a symbol into the board
+ * - Check for wins or ties
  *
  * License: MIT
  *
@@ -24,40 +23,40 @@
 #include <stdbool.h>
 #include <string.h>
 
-void draw_board(struct board board)
+void draw_board(struct Board board)
 {
     system("@cls || clear");
 
-    for (int r = board.n_row - 1; r >= 0; r--)
+    for (int r = board.numRows - 1; r >= 0; r--)
     {
-        for (int c = 0; c < board.n_col; c++)
+        for (int c = 0; c < board.numCols; c++)
         {
-            if (board.board[r][c] >= 0)
-                PRINT_COLOURED(board.colors[board.board[r][c]], " %c ", board.symbols[board.board[r][c]]);
+            if (board.cells[r][c] >= 0)
+                PRINT_COLOURED(board.playerColors[board.cells[r][c]], " %c ", board.playerSymbols[board.cells[r][c]]);
             else
                 printf(" . ");
         }
         printf("\n");
     }
 
-    for (int i = 0; i < board.n_col; i++)
+    for (int i = 0; i < board.numCols; i++)
         printf("---");
     printf("\n");
 
-    for (int i = 0; i < board.n_col; i++)
+    for (int i = 0; i < board.numCols; i++)
         i + 1 > 9 ? printf(" %d", i + 1) : printf(" %d ", i + 1);
     printf("\n");
 }
 
-bool is_insert_valid(struct board board, int selected_column)
+bool is_insert_valid(struct Board board, int selected_column)
 {
-    if ((selected_column < 0) || (selected_column > board.n_col - 1))
+    if ((selected_column < 0) || (selected_column > board.numCols - 1))
     {
         printf("\nColumn's index out of range");
         return false;
     }
 
-    if (board.board[board.n_row - 1][selected_column] != EMPTY_CELL)
+    if (board.cells[board.numRows - 1][selected_column] != EMPTY_CELL)
     {
         printf("\nThe selected column is full");
         return false;
@@ -66,24 +65,24 @@ bool is_insert_valid(struct board board, int selected_column)
     return true;
 }
 
-int insert_into_board(struct board *board, int symbol, int selected_column)
+int insert_into_board(struct Board *board, int symbol, int selected_column)
 {
 
     if (!is_insert_valid(*board, selected_column))
         return -1;
 
     int r = 0;
-    while (board->board[r][selected_column] != EMPTY_CELL)
+    while (board->cells[r][selected_column] != EMPTY_CELL)
         r++;
-    board->board[r][selected_column] = symbol;
+    board->cells[r][selected_column] = symbol;
 
     return r;
 }
 
-bool check_winner(struct board board, struct current_move current_move)
+bool check_winner(struct Board board, struct BoardCoordinates current_move)
 {
 
-    int symbol = board.board[current_move.row][current_move.col];
+    int symbol = board.cells[current_move.row][current_move.column];
 
     for (int i = 0; i <= 3; i++)
     {
@@ -92,27 +91,27 @@ bool check_winner(struct board board, struct current_move current_move)
         for (int dir = -1; dir <= 1; dir += 2)
         {
             int r = current_move.row;
-            int c = current_move.col;
+            int c = current_move.column;
 
-            while ((r >= 0) && (r < board.n_row) && (c >= 0) && (c < board.n_col) && (board.board[r][c] == symbol))
+            while ((r >= 0) && (r < board.numRows) && (c >= 0) && (c < board.numCols) && (board.cells[r][c] == symbol))
             {
                 count++;
                 r += dir * (i / 3 - 1);
                 c += dir * (i % 3 - 1);
             }
         }
 
-        if (--count >= board.n_win_symbol) // Because the central symbol is counted twice
+        if (--count >= board.numWinSymbols) // Because the central symbol is counted twice
             return true;
     }
 
     return false;
 }
 
-bool check_tie(struct board board)
+bool check_tie(struct Board board)
 {
-    for (int c = 0; c < board.n_col; c++)
-        if (board.board[board.n_row][c] == EMPTY_CELL)
+    for (int c = 0; c < board.numCols; c++)
+        if (board.cells[board.numRows - 1][c] == EMPTY_CELL)
             return false;
 
     return true;

board.h

@@ -1,11 +1,9 @@
 /*
- * A simple 'Connect 4 Game' game implementation.
- *
  * Author: Tommaso Bocchietti
  * Email: [email protected]
- * Date: 2023-03-29
+ * Date: 2023-04-01
  *
- * Utils functions used into the main program.
+ * This file is part of the 'Connect 4 Game' project.
  *
  * License: MIT
  *
@@ -17,14 +15,14 @@
 #ifndef BOARD_H
 #define BOARD_H
 
-void draw_board(struct board board);
+void draw_board(struct Board board);
 
-bool is_insert_valid(struct board board, int selected_column);
+bool is_insert_valid(struct Board board, int selected_column);
 
-int insert_into_board(struct board *board, int symbol, int selected_column);
+int insert_into_board(struct Board *board, int symbol, int selected_column);
 
-bool check_winner(struct board board, struct current_move current_move);
+bool check_winner(struct Board board, struct BoardCoordinates current_move);
 
-bool check_tie(struct board board);
+bool check_tie(struct Board board);
 
 #endif

constant.h

@@ -1,42 +1,49 @@
 /*
- * This file declares the constants used in the program.
- * The constants are declared as extern so that they can be used in other files.
- * The constants are defined in the file constant.c
+ * Author: Tommaso Bocchietti
+ * Email: [email protected]
+ * Date: 2023-04-01
+ *
+ * This file is part of the 'Connect 4 Game' project.
+ * It contains the constants used in the game.
+ *
+ * License: MIT
+ *
  */
 
-#ifndef CONSTANT_H
-#define CONSTANT_H
+#ifndef CONSTANTS_H
+#define CONSTANTS_H
 
-#define MAX_N_PLAYER 10
-#define MAX_N_ROW 15
-#define MAX_N_COL 15
+#define MAX_PLAYERS 10
+#define MAX_ROWS 15
+#define MAX_COLUMNS 15
+#define MAX_WIN_SYMBOLS 10
 #define EMPTY_CELL -1
 
 #define PRINT_COLOURED(c, f, s) printf("\033[%dm" f "\033[0m", c, s)
 
-struct board
+struct Board
 {
-    int n_row;
-    int n_col;
-    int n_win_symbol;
-    int board[MAX_N_ROW][MAX_N_COL];
-    int symbols[MAX_N_PLAYER];
-    int colors[MAX_N_PLAYER];
+    int numRows;
+    int numCols;
+    int numWinSymbols;
+    int cells[MAX_ROWS][MAX_COLUMNS];
+    int playerSymbols[MAX_PLAYERS];
+    int playerColors[MAX_PLAYERS];
 };
 
-struct current_move
+struct BoardCoordinates
 {
     int row;
-    int col;
+    int column;
 };
 
-struct game
+struct Game
 {
-    int n_player;
-    int player_index;
-    struct board board;
-    char player_name[MAX_N_PLAYER][20];
-    struct current_move current_move;
+    int numPlayers;
+    int currentPlayerIndex;
+    struct Board gameBoard;
+    char playerName[MAX_PLAYERS][20];
+    struct BoardCoordinates currentMove;
 };
 
 #endif