Updated: better ncurses, new main menu, etc
This commit is contained in:
parent
2554dcac3e
commit
569dd8832e
2 changed files with 416 additions and 306 deletions
682
serpent.c
682
serpent.c
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@ -30,29 +30,45 @@
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#include "serpent.h"
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/* */
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/* Game variables */
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bool is_alive = true; /* variable to track if snake is alive */
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int SPEED = 100; /* speed of the game */
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int MAX_SPEED = 60; /* max speed of the game */
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/* global variables */
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bool isAlive = true; /* variable to track if snake is alive */
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bool isRunning = true;
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unsigned int SPEED = 100; /* speed of the game */
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unsigned int MAX_SPEED = 60; /* max speed of the game */
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unsigned int terminalRows;
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unsigned int terminalCols;
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int startY;
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int startX;
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unsigned int score;
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/* */
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/* Initialize structs */
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snake_t *snake;
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apple_t *apple;
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Snake *snake;
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Apple *apple;
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/* */
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/* Function prototypes */
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void appendSnakeNode(snake_t *new_snake);
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snake_t *startSnake(board_t *board);
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// structure functions
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Snake *startSnake();
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Apple *startApple();
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void appendSnakeNode(Snake *new_snake);
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void freeSnake();
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bool snakeOccupies(int x, int y, bool excludeHead);
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int snakeSize();
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apple_t *startApple(board_t *board);
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void moveApple(board_t *board);
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bool appleOccupies(int x, int y);
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// game logic
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void updateSnake();
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void updateApple();
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bool snakeCollision(int x, int y, bool excludeHead);
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bool appleCollision(int x, int y);
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// game i-o
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void handleInput(int key);
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void moveSnake(board_t *board);
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void draw(board_t *board);
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void drawGame();
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// game functions
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void initializeGame();
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void gameLoop();
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void run();
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void mainMenu(WINDOW *menuScreen, int menuType);
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void cleanup();
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// command line functions
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void argControls();
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void argHelp();
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void argVersion();
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@ -86,74 +102,77 @@ int main (int argc, char **argv) {
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return 1;
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}
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}
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/* */
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/* Initialize board */
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board_t board = {
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.border = BOARD_CHAR,
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.boardHeight = SCREEN_HEIGHT,
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.boardWidth = SCREEN_WIDTH
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};
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initializeGame();
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/* Initialize the snake doubly-linked list */
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snake = startSnake(&board);
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cleanup();
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/* Initialize the apple */
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apple = startApple(&board);
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/* Initialize window settings with ncurses */
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initscr();
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cbreak();
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noecho();
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keypad(stdscr, TRUE);
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curs_set(0);
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nodelay(stdscr, TRUE);
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/* Check if the board size is greater than the screen size */
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if (board.boardWidth > COLS || board.boardHeight > LINES) {
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endwin();
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printf("ERROR: Board size is larger than the terminal window.\n");
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return 1;
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}
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while (is_alive) {
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/* Take arrow key inputs */
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int c = getch();
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if (c != ERR) {
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handleInput(c);
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}
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/* Update the snake position */
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moveSnake(&board);
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/* Redraw the frame */
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draw(&board);
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/* Refresh the window */
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refresh();
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usleep(SPEED * 800L);
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}
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/* Game score */
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int score = snakeSize();
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/* Free memory allocated by snake */
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freeSnake();
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/* Free memory allocated by apple */
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free(apple);
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/* End ncurses window */
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endwin();
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/* Print final score out to terminal */
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printf("Game over. Score: %d", score - START_SNAKE_SIZE);
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return 0;
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}
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void appendSnakeNode(snake_t *new_snake) {
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/* Function responsible of initializing the snake strucutre */
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Snake *startSnake() {
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/* Allocate memory for a new snake */
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Snake *new_snake = malloc(sizeof(Snake));
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/* Allocate memory for the head of the snake */
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SnakeNode *head = malloc(sizeof(SnakeNode));
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/* Initialize the snake's head and tail to the allocated head node */
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new_snake->head = head;
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new_snake->tail = head;
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/* Set the head's previous and next pointers to NULL, as it's the only node in the beginning */
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head->prev = NULL;
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head->next = NULL;
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/* Set the initial position of the snake's head at the center of the board */
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head->pX = SCREEN_WIDTH / 2;
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head->pY = SCREEN_HEIGHT / 2;
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/* Initialize a node pointer to the head for iterating through the snake's body */
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SnakeNode *node = head;
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/* Create additional nodes to form the initial snake body */
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for (int i = 1; i < START_SNAKE_SIZE; i++) {
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/* Add a new node to the snake, updating the node pointer */
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appendSnakeNode(new_snake);
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node = node->next;
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/* Copy the position of the previous node to maintain a straight line */
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node->pX = node->prev->pX;
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node->pY = node->prev->pY + 1;
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}
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/* Set the initial direction of the snake to move upward */
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new_snake->direction = UP;
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/* Return the initialized snake */
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return new_snake;
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}
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/* Function responsible of initializing the apple structure */
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Apple *startApple() {
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/* Allocate memory for a new apple */
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Apple *new_apple = malloc(sizeof(Apple));
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/* Seed the random number generator with the current time */
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srand(time(NULL));
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/* Generate random coordinates for the new apple, ensuring it does not overlap with the snake */
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do {
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new_apple->pX = (random() % (SCREEN_WIDTH - 2)) + 1;
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new_apple->pY = (random() % (SCREEN_HEIGHT - 2)) + 1;
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} while (snakeCollision(new_apple->pX, new_apple->pY, false));
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/* Return the initialized apple */
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return new_apple;
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}
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/* Function responsible of adding a new node to the tail of the snake */
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void appendSnakeNode(Snake *new_snake) {
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/* Allocate memory for a new snake node */
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snake_node *node_ptr = malloc(sizeof(snake_node));
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SnakeNode *node_ptr = malloc(sizeof(SnakeNode));
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/* Set the previous pointer of the new node to the current tail of the snake */
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node_ptr->prev = new_snake->tail;
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@ -168,51 +187,11 @@ void appendSnakeNode(snake_t *new_snake) {
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new_snake->tail = node_ptr;
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}
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snake_t *startSnake(board_t *board) {
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/* Allocate memory for a new snake */
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snake_t *new_snake = malloc(sizeof(snake_t));
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/* Allocate memory for the head of the snake */
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snake_node *head = malloc(sizeof(snake_node));
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/* Initialize the snake's head and tail to the allocated head node */
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new_snake->head = head;
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new_snake->tail = head;
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/* Set the head's previous and next pointers to NULL, as it's the only node in the beginning */
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head->prev = NULL;
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head->next = NULL;
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/* Set the initial position of the snake's head at the center of the board */
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head->pX = board->boardWidth / 2;
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head->pY = board->boardHeight / 2;
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/* Initialize a node pointer to the head for iterating through the snake's body */
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snake_node *node = head;
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/* Create additional nodes to form the initial snake body */
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for (int i = 1; i < START_SNAKE_SIZE; i++) {
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/* Add a new node to the snake, updating the node pointer */
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appendSnakeNode(new_snake);
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node = node->next;
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/* Copy the position of the previous node to maintain a straight line */
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node->pX = node->prev->pX;
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node->pY = node->prev->pY + 1;
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}
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/* Set the initial direction of the snake to move upward */
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new_snake->dX = 0;
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new_snake->dY = -1;
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/* Return the initialized snake */
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return new_snake;
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}
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/* Function responsible of freeing the memory for the snake structure */
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void freeSnake() {
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/* Initialize pointers to traverse the snake linked list */
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snake_node *snake_current = snake->head;
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snake_node *snake_next = snake->head->next;
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SnakeNode *snake_current = snake->head;
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SnakeNode *snake_next = snake->head->next;
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/* Traverse the snake linked list and free each node */
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while (snake_next != NULL) {
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@ -234,9 +213,109 @@ void freeSnake() {
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snake = NULL;
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}
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bool snakeOccupies(int x, int y, bool excludeHead) {
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/* Function responsible of saving the size of the snake */
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int snakeSize() {
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/* Initialize a pointer to traverse the snake linked list */
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snake_node *snake_ptr;
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SnakeNode *snake_ptr = snake->head;
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/* Initialize a counter to keep track of the number of nodes in the snake linked list */
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int counter = 0;
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/* Traverse the snake linked list and count each node */
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while (snake_ptr != NULL) {
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counter++;
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/* Move to the next node */
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snake_ptr = snake_ptr->next;
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}
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/* Return the total size of the snake, which is the number of nodes in the linked list */
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return counter;
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}
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/* Function responsible of handling the snake's movement */
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void updateSnake() {
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/* Check if the snake is moving (either horizontally or vertically) */
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if ((ABS(snake->direction == LEFT ? -1 : snake->direction == RIGHT ? 1 : 0) > 0) ||
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(ABS(snake->direction == UP ? -1 : snake->direction == DOWN ? 1 : 0) > 0)) {
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/* Calculate the new coordinates for the head and tail of the snake */
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int new_head_x = snake->head->pX + (snake->direction == LEFT ? -1 : snake->direction == RIGHT ? 1 : 0);
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int new_head_y = snake->head->pY + (snake->direction == UP ? -1 : snake->direction == DOWN ? 1 : 0);
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int new_tail_x = snake->tail->pX + (snake->direction == LEFT ? -1 : snake->direction == RIGHT ? 1 : 0);
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int new_tail_y = snake->tail->pY + (snake->direction == UP ? -1 : snake->direction == DOWN ? 1 : 0);
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/* Check if the new head position does not overlap with an apple */
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if (!appleCollision(new_head_x, new_head_y)) {
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/* Move the tail to the new head position */
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snake->tail->pX = new_head_x;
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snake->tail->pY = new_head_y;
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/* Adjust the linked list to maintain the snake's continuity */
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snake->tail->next = snake->head;
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snake->head->prev = snake->tail;
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snake->tail = snake->tail->prev;
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snake->tail->next = NULL;
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snake->head->prev->prev = NULL;
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snake->head = snake->head->prev;
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} else {
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/* If the head overlaps with an apple (the snake ate an apple), move the apple to a new position */
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updateApple();
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/* Increase the speed if it hasn't reached the maximum */
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if (SPEED >= MAX_SPEED) {
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SPEED -= 1;
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}
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/* Create a new head node and update its position */
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SnakeNode *new_head = malloc(sizeof(SnakeNode));
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new_head->pX = new_head_x;
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new_head->pY = new_head_y;
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new_head->prev = NULL;
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new_head->next = snake->head;
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/* Update the linked list to include the new head */
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snake->head->prev = new_head;
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snake->head = new_head;
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/* Add a new node to the snake's body */
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appendSnakeNode(snake);
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/* Set the position for the tail node */
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snake->tail->pX = new_tail_x;
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snake->tail->pY = new_tail_y;
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}
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/* Check for collision with the game borders or itself */
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if (snakeCollision(new_head_x, new_head_y, false) ||
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(new_head_x == 0) || (new_head_x == SCREEN_WIDTH - 1) ||
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(new_head_y == 0) || (new_head_y == SCREEN_HEIGHT - 1)) {
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/* If there is a collision, set the snake as not alive */
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isAlive = false;
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}
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}
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}
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/* Function responsible of moving the apple to a new position */
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void updateApple() {
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/* Variables to store the new coordinates for the apple */
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int new_x, new_y;
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/* Generate new random coordinates for the apple, ensuring it does not overlap with the snake */
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do {
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new_x = (random() % (SCREEN_WIDTH - 2)) + 1;
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new_y = (random() % (SCREEN_HEIGHT - 2)) + 1;
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} while (snakeCollision(new_x, new_y, true));
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/* Update the position of the existing apple to the new coordinates */
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apple->pX = new_x;
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apple->pY = new_y;
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}
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/* Function responsible of checking if the snake collided with itself */
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bool snakeCollision(int x, int y, bool excludeHead) {
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/* Initialize a pointer to traverse the snake linked list */
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SnakeNode *snake_ptr;
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/* Determine the starting point in the linked list based on whether the head should be excluded */
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if (excludeHead) {
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@ -261,58 +340,8 @@ bool snakeOccupies(int x, int y, bool excludeHead) {
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return false;
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}
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int snakeSize() {
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/* Initialize a pointer to traverse the snake linked list */
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snake_node *snake_ptr = snake->head;
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/* Initialize a counter to keep track of the number of nodes in the snake linked list */
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int counter = 0;
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/* Traverse the snake linked list and count each node */
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while (snake_ptr != NULL) {
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counter++;
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/* Move to the next node */
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snake_ptr = snake_ptr->next;
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}
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/* Return the total size of the snake, which is the number of nodes in the linked list */
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return counter;
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}
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apple_t *startApple(board_t *board) {
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/* Allocate memory for a new apple */
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apple_t *new_apple = malloc(sizeof(apple_t));
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/* Seed the random number generator with the current time */
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srand(time(NULL));
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/* Generate random coordinates for the new apple, ensuring it does not overlap with the snake */
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do {
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new_apple->pX = (random() % (board->boardWidth - 2)) + 1;
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new_apple->pY = (random() % (board->boardHeight - 2)) + 1;
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} while (snakeOccupies(new_apple->pX, new_apple->pY, false));
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/* Return the initialized apple */
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return new_apple;
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}
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void moveApple(board_t *board) {
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/* Variables to store the new coordinates for the apple */
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int new_x, new_y;
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/* Generate new random coordinates for the apple, ensuring it does not overlap with the snake */
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do {
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new_x = (random() % (board->boardWidth - 2)) + 1;
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new_y = (random() % (board->boardHeight - 2)) + 1;
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} while (snakeOccupies(new_x, new_y, true));
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/* Update the position of the existing apple to the new coordinates */
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apple->pX = new_x;
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apple->pY = new_y;
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}
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bool appleOccupies(int x, int y) {
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/* Function to chech if the snake ate an apple */
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bool appleCollision(int x, int y) {
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/* Check if the specified coordinates match the position of the apple */
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if (apple->pX == x && apple->pY == y) {
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/* The apple occupies the specified position */
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@ -323,35 +352,32 @@ bool appleOccupies(int x, int y) {
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return false;
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}
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/* Function responsible of handling user input */
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void handleInput(int key) {
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/* Handle different key inputs to change the snake's direction */
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switch (key) {
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case KEY_UP:
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/* If the snake is not currently moving down, change its direction to up */
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if (snake->dY == 0) {
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snake->dY = -1;
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snake->dX = 0;
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if (snake->direction != DOWN) {
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snake->direction = UP;
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}
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break;
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case KEY_DOWN:
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/* If the snake is not currently moving up, change its direction to down */
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if (snake->dY == 0) {
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snake->dY = 1;
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snake->dX = 0;
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if (snake->direction != UP) {
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snake->direction = DOWN;
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}
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break;
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case KEY_RIGHT:
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/* If the snake is not currently moving left, change its direction to right */
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if (snake->dX == 0) {
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snake->dX = 1;
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snake->dY = 0;
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if (snake->direction != LEFT) {
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snake->direction = RIGHT;
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}
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break;
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case KEY_LEFT:
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/* If the snake is not currently moving right, change its direction to left */
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if (snake->dX == 0) {
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snake->dX = -1;
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snake->dY = 0;
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if (snake->direction != RIGHT) {
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snake->direction = LEFT;
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}
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break;
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default:
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@ -361,128 +387,212 @@ void handleInput(int key) {
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}
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}
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void moveSnake(board_t *board) {
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/* Check if the snake is moving (either horizontally or vertically) */
|
||||
if ((ABS(snake->dX) > 0) || (ABS(snake->dY) > 0)) {
|
||||
/* Calculate the new coordinates for the head and tail of the snake */
|
||||
int new_head_x = snake->head->pX + snake->dX;
|
||||
int new_head_y = snake->head->pY + snake->dY;
|
||||
int new_tail_x = snake->tail->pX + snake->dX;
|
||||
int new_tail_y = snake->tail->pY + snake->dY;
|
||||
|
||||
/* Check if the new head position does not overlap with an apple */
|
||||
if (!appleOccupies(new_head_x, new_head_y)) {
|
||||
/* Move the tail to the new head position */
|
||||
snake->tail->pX = new_head_x;
|
||||
snake->tail->pY = new_head_y;
|
||||
|
||||
/* Adjust the linked list to maintain the snake's continuity */
|
||||
snake->tail->next = snake->head;
|
||||
snake->head->prev = snake->tail;
|
||||
snake->tail = snake->tail->prev;
|
||||
snake->tail->next = NULL;
|
||||
snake->head->prev->prev = NULL;
|
||||
snake->head = snake->head->prev;
|
||||
|
||||
} else {
|
||||
/* If the head overlaps with an apple (the snake ate an apple), move the apple to a new position */
|
||||
moveApple(board);
|
||||
|
||||
/* Increase the speed if it hasn't reached the maximum */
|
||||
if (SPEED <= MAX_SPEED) {
|
||||
SPEED -= 1;
|
||||
}
|
||||
|
||||
/* Create a new head node and update its position */
|
||||
snake_node *new_head = malloc(sizeof(snake_node));
|
||||
new_head->pX = new_head_x;
|
||||
new_head->pY = new_head_y;
|
||||
new_head->prev = NULL;
|
||||
new_head->next = snake->head;
|
||||
|
||||
/* Update the linked list to include the new head */
|
||||
snake->head->prev = new_head;
|
||||
snake->head = new_head;
|
||||
|
||||
/* Add a new node to the snake's body */
|
||||
appendSnakeNode(snake);
|
||||
|
||||
/* Set the position for the tail node */
|
||||
snake->tail->pX = new_tail_x;
|
||||
snake->tail->pY = new_tail_y;
|
||||
}
|
||||
|
||||
/* Check for collision with the game borders or itself */
|
||||
if (snakeOccupies(new_head_x, new_head_y, false) ||
|
||||
(new_head_x == 0) || (new_head_x == board->boardWidth - 1) ||
|
||||
(new_head_y == 0) || (new_head_y == board->boardHeight - 1)) {
|
||||
/* If there is a collision, set the snake as not alive */
|
||||
is_alive = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void draw(board_t *board) {
|
||||
/* Function responsible of drawing each object in the screen */
|
||||
void drawGame() {
|
||||
/* Clear the terminal screen */
|
||||
erase();
|
||||
|
||||
/* Draw the borders of the game board */
|
||||
for (int i = 0; i < board->boardHeight; i++) {
|
||||
for (int j = 0; j < board->boardWidth; j++) {
|
||||
if (i == 0 || i == board->boardHeight - 1) {
|
||||
/* Draw the top and bottom borders */
|
||||
mvprintw(i, j, "%c", board->border);
|
||||
} else if (j == 0 || j == board->boardWidth - 1) {
|
||||
/* Draw the left and right borders */
|
||||
mvprintw(i, j, "%c", board->border);
|
||||
}
|
||||
}
|
||||
// Calculate the center coordinates
|
||||
int startY = (terminalRows - SCREEN_HEIGHT) / 2;
|
||||
int startX = (terminalCols - SCREEN_WIDTH) / 2;
|
||||
|
||||
WINDOW *gameBoard = newwin(SCREEN_HEIGHT, SCREEN_WIDTH, startY, startX);
|
||||
box(gameBoard, 0, 0);
|
||||
refresh();
|
||||
wrefresh(gameBoard);
|
||||
|
||||
/* Draw the snake's head on the game board */
|
||||
SnakeNode *snake_ptr = snake->head;
|
||||
switch (snake->direction) {
|
||||
case LEFT:
|
||||
mvaddch(snake_ptr->pY + startY, snake_ptr->pX + startX, SNAKE_HEAD_L);
|
||||
break;
|
||||
case RIGHT:
|
||||
mvaddch(snake_ptr->pY + startY, snake_ptr->pX + startX, SNAKE_HEAD_R);
|
||||
break;
|
||||
case UP:
|
||||
mvaddch(snake_ptr->pY + startY, snake_ptr->pX + startX, SNAKE_HEAD_U);
|
||||
break;
|
||||
case DOWN:
|
||||
mvaddch(snake_ptr->pY + startY, snake_ptr->pX + startX, SNAKE_HEAD_D);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Draw the snake on the game board */
|
||||
snake_node *snake_ptr = snake->head;
|
||||
if (snake->dX == -1) {
|
||||
/* Draw the snake head facing left */
|
||||
mvaddch(snake_ptr->pY, snake_ptr->pX, SNAKE_HEAD_L);
|
||||
} else if (snake->dX == 1) {
|
||||
/* Draw the snake head facing right */
|
||||
mvaddch(snake_ptr->pY, snake_ptr->pX, SNAKE_HEAD_R);
|
||||
} else if (snake->dY == -1) {
|
||||
/* Draw the snake head facing up */
|
||||
mvaddch(snake_ptr->pY, snake_ptr->pX, SNAKE_HEAD_U);
|
||||
} else if (snake->dY == 1) {
|
||||
/* Draw the snake head facing down */
|
||||
mvaddch(snake_ptr->pY, snake_ptr->pX, SNAKE_HEAD_D);
|
||||
}
|
||||
/* Move to the next node */
|
||||
snake_ptr = snake_ptr->next;
|
||||
|
||||
/* Draw the snake body */
|
||||
/* Draw the snake's body */
|
||||
while(snake_ptr != NULL) {
|
||||
mvaddch(snake_ptr->pY, snake_ptr->pX, SNAKE_BODY);
|
||||
mvaddch(snake_ptr->pY + startY, snake_ptr->pX + startX, SNAKE_BODY);
|
||||
/* Move to the next node */
|
||||
snake_ptr = snake_ptr->next;
|
||||
}
|
||||
|
||||
/* Draw the apple on the game board */
|
||||
mvaddch(apple->pY, apple->pX, FOOD);
|
||||
mvaddch(apple->pY + startY, apple->pX + startX, FOOD);
|
||||
|
||||
/* Display the game score */
|
||||
mvprintw(board->boardHeight + 3, 0, "Score: %d", snakeSize() - START_SNAKE_SIZE);
|
||||
mvprintw(startY, startX + 1, "Score: %d", snakeSize() - START_SNAKE_SIZE);
|
||||
}
|
||||
|
||||
/* Game loop function */
|
||||
void gameLoop() {
|
||||
/* Take arrow key inputs */
|
||||
int c = getch();
|
||||
if (c != ERR) {
|
||||
handleInput(c);
|
||||
}
|
||||
|
||||
/* Update the snake position */
|
||||
updateSnake();
|
||||
|
||||
/* Redraw the frame */
|
||||
drawGame();
|
||||
|
||||
/* Refresh the window */
|
||||
refresh();
|
||||
|
||||
/* Introduce a delay for the game loop */
|
||||
usleep(SPEED * 800L);
|
||||
}
|
||||
|
||||
/* Function responsible of initializing the game */
|
||||
void initializeGame() {
|
||||
/* Initialize window settings with ncurses */
|
||||
initscr();
|
||||
cbreak();
|
||||
noecho();
|
||||
keypad(stdscr, TRUE);
|
||||
curs_set(0);
|
||||
nodelay(stdscr, TRUE);
|
||||
getmaxyx(stdscr, terminalRows, terminalCols);
|
||||
|
||||
startY = (terminalRows - SCREEN_HEIGHT) / 2;
|
||||
startX = (terminalCols - SCREEN_WIDTH) / 2;
|
||||
|
||||
/* Initialize the snake doubly-linked list */
|
||||
snake = startSnake();
|
||||
|
||||
/* Initialize the apple */
|
||||
apple = startApple();
|
||||
|
||||
run();
|
||||
}
|
||||
|
||||
/* Starting point of the game */
|
||||
void run() {
|
||||
int choice;
|
||||
|
||||
WINDOW * menuScreen = newwin(SCREEN_HEIGHT, SCREEN_WIDTH, startY, startX);
|
||||
refresh();
|
||||
wrefresh(menuScreen);
|
||||
|
||||
while (isRunning) {
|
||||
/* Display main menu */
|
||||
mainMenu(menuScreen, 1);
|
||||
|
||||
/* Input validation loop */
|
||||
do {
|
||||
/* Use getch to get a single character */
|
||||
choice = wgetch(menuScreen);
|
||||
|
||||
} while (choice < '1' || choice > '3');
|
||||
|
||||
switch (choice) {
|
||||
case '1':
|
||||
if (!isAlive) {
|
||||
snake = startSnake();
|
||||
isAlive = true;
|
||||
}
|
||||
/* Start the game loop */
|
||||
while (isAlive) {
|
||||
gameLoop();
|
||||
}
|
||||
score = snakeSize() - START_SNAKE_SIZE;
|
||||
mainMenu(menuScreen, 3);
|
||||
break;
|
||||
case '2':
|
||||
/* Show controls */
|
||||
mainMenu(menuScreen, 2);
|
||||
continue;
|
||||
break;
|
||||
case '3':
|
||||
/* Exit the game */
|
||||
isRunning = false;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Function to display the main menu */
|
||||
void mainMenu(WINDOW *menuScreen, int menuType) {
|
||||
int menuY = (SCREEN_HEIGHT - startY) / 5;
|
||||
int menuX = (SCREEN_WIDTH - startX) / 2;
|
||||
|
||||
wclear(menuScreen);
|
||||
box(menuScreen, 0, 0);
|
||||
mvwprintw(menuScreen, menuY - 1, menuX - 2, " ____ ");
|
||||
mvwprintw(menuScreen, menuY, menuX - 2, " ________________________/ O \\___/");
|
||||
mvwprintw(menuScreen, menuY + 1, menuX - 2, "<_____________________________/ \\");
|
||||
mvwprintw(menuScreen, menuY + 2, menuX - 2, " __ _ ");
|
||||
mvwprintw(menuScreen, menuY + 3, menuX - 2, "/ _\\ ___ _ __ _ __ ___ _ __ | |_ ");
|
||||
mvwprintw(menuScreen, menuY + 4, menuX - 2, "\\ \\ / _ \\ '__| '_ \\ / _ \\ '_ \\| __|");
|
||||
mvwprintw(menuScreen, menuY + 5, menuX - 2, "_\\ \\ __/ | | |_) | __/ | | | |_ ");
|
||||
mvwprintw(menuScreen, menuY + 6, menuX - 2, "\\__/\\___|_| | .__/ \\___|_| |_|\\__|");
|
||||
mvwprintw(menuScreen, menuY + 7, menuX - 2, " |_| ");
|
||||
|
||||
switch (menuType) {
|
||||
case 1:
|
||||
/* Print the main menu inside the menuScreen window */
|
||||
mvwprintw(menuScreen, menuY + 9, menuX, "\tMain Menu");
|
||||
mvwprintw(menuScreen, menuY + 10, menuX, "\t 1. Start Game");
|
||||
mvwprintw(menuScreen, menuY + 11, menuX, "\t 2. Show Controls");
|
||||
mvwprintw(menuScreen, menuY + 12, menuX, "\t 3. Exit Game");
|
||||
mvwprintw(menuScreen, menuY + 13, menuX, "\tPress a key [1-3]...");
|
||||
wrefresh(menuScreen);
|
||||
break;
|
||||
case 2:
|
||||
/* Display controls */
|
||||
mvwprintw(menuScreen, menuY + 9, menuX, "\tControls");
|
||||
mvwprintw(menuScreen, menuY + 10, menuX, "\t Arrow Up: Move Up");
|
||||
mvwprintw(menuScreen, menuY + 11, menuX, "\t Arrow Down: Move Down");
|
||||
mvwprintw(menuScreen, menuY + 12, menuX, "\t Arrow Left: Move Left");
|
||||
mvwprintw(menuScreen, menuY + 13, menuX, "\t Arrow Right: Move Right");
|
||||
mvwprintw(menuScreen, menuY + 14, menuX, "\tPress a key to go back...");
|
||||
wrefresh(menuScreen);
|
||||
wgetch(menuScreen);
|
||||
break;
|
||||
case 3:
|
||||
/* Display the final score on the main menu */
|
||||
mvwprintw(menuScreen, menuY + 13, menuX, "\tFinal Score: %d", score);
|
||||
mvwprintw(menuScreen, menuY + 14, menuX, "\tPress a key to go back...");
|
||||
wgetch(menuScreen);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Function responsible of cleaning the memory */
|
||||
void cleanup() {
|
||||
/* Free memory allocated by snake */
|
||||
freeSnake();
|
||||
|
||||
/* Free memory allocated by apple */
|
||||
free(apple);
|
||||
|
||||
/* End ncurses window */
|
||||
endwin();
|
||||
}
|
||||
|
||||
/* Function for displaying the game controls in the command line */
|
||||
void argControls() {
|
||||
printf("%s controls.\n", NAME);
|
||||
printf("Movement:\n");
|
||||
printf("\t↑: move up\n");
|
||||
printf("\t←: move to the left\n");
|
||||
printf("\t→: move to the right\n");
|
||||
printf("\t↓: move down\n");
|
||||
printf("Game:\n");
|
||||
printf("\tq: quit\n");
|
||||
printf("\tp: pause\n");
|
||||
printf("\tr: restart\n");
|
||||
printf("%s version: %.1lf\n", NAME, VERSION);
|
||||
printf("Controls:\n");
|
||||
printf("\tArrow Up: move up\n");
|
||||
printf("\tArrow Down: move down\n");
|
||||
printf("\tArrow Left: move to the left\n");
|
||||
printf("\tArrow Right: move to the right\n");
|
||||
}
|
||||
|
||||
/* Function to display the help message in the command line */
|
||||
|
|
|
|||
38
serpent.h
38
serpent.h
|
|
@ -1,7 +1,7 @@
|
|||
#ifndef SERPENT_H
|
||||
#define SERPENT_H
|
||||
|
||||
/* Program information */
|
||||
/* Program information */
|
||||
#define NAME "serpent"
|
||||
#define VERSION 0.1
|
||||
/* */
|
||||
|
|
@ -18,33 +18,33 @@
|
|||
#define SNAKE_HEAD_L '>' /* head when going left */
|
||||
#define SNAKE_HEAD_R '<' /* head when going right */
|
||||
#define FOOD '@' /* normal food */
|
||||
#define BOARD_CHAR '#' /* character at corners of border */
|
||||
#define SCREEN_WIDTH 40 /* the virtual screen width */
|
||||
#define SCREEN_HEIGHT 30 /* the virtual screen height */
|
||||
#define SCREEN_WIDTH 50 /* the virtual screen width */
|
||||
#define SCREEN_HEIGHT 20 /* the virtual screen height */
|
||||
/* */
|
||||
|
||||
/* Board structure */
|
||||
typedef struct board_t {
|
||||
char border; /* will use BOARD_CHAR */
|
||||
unsigned int boardHeight; /* will use SCREEN_HEIGHT */
|
||||
unsigned int boardWidth; /* will use SCREEN_WIDTH */
|
||||
} board_t;
|
||||
/* Possible directions for the snake */
|
||||
typedef enum {
|
||||
UP,
|
||||
DOWN,
|
||||
LEFT,
|
||||
RIGHT
|
||||
} Direction;
|
||||
|
||||
/* Snake node structure (for dobly linked list) */
|
||||
typedef struct snake_node {
|
||||
typedef struct SnakeNode {
|
||||
int pX, pY; /* represents the node's position on the board */
|
||||
struct snake_node *next, *prev; /* pointers to the next and previous nodes */
|
||||
} snake_node;
|
||||
struct SnakeNode *next, *prev; /* pointers to the next and previous nodes */
|
||||
} SnakeNode;
|
||||
|
||||
/* Snake structure (dobly linked list) */
|
||||
typedef struct snake_t {
|
||||
int dX, dY; /* represents the snake's direction */
|
||||
snake_node *head, *tail; /* snake's nodes, dobly linked list */
|
||||
} snake_t;
|
||||
typedef struct Snake {
|
||||
Direction direction;
|
||||
SnakeNode *head, *tail; /* snake's nodes, dobly linked list */
|
||||
} Snake;
|
||||
|
||||
/* Apple structure */
|
||||
typedef struct apple_t {
|
||||
typedef struct Food {
|
||||
int pX, pY; /* represents the apple's position on the board */
|
||||
} apple_t;
|
||||
} Apple;
|
||||
|
||||
#endif //SERPENT_H
|
||||
|
|
|
|||
Loading…
Reference in a new issue