133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
#include "snake.h"
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#include <stdlib.h>
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#include <time.h>
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#include <stdio.h>
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#define WIDTH 20
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#define HEIGHT 10
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void initialize_food(int foodx[], int foody[]) {
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srand(time(NULL));
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for (int i = 0; i < FOOD_COUNT; i++) {
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foodx[i] = rand() % WIDTH;
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foody[i] = rand() % HEIGHT;
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}
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}
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void print_world(struct state* state) {
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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if (is_snake(state->snake, x, y)) {
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printf("x");
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} else {
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int food_found = 0;
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for (int i = 0; i < FOOD_COUNT; i++) {
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if (state->foodx[i] == x && state->foody[i] == y) {
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if (state->foodx[i] >= 0 && state->foody[i] >= 0) {
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printf("*");
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} else {
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printf(" ");
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}
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food_found = 1;
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break;
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}
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}
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if (!food_found) {
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printf(" ");
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}
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}
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}
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printf("\n");
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}
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}
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void move_snake(struct state* state, int dx, int dy) {
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// Update snake position according to the direction
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int new_x = state->snake->x + dx;
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int new_y = state->snake->y + dy;
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// Check if the new position is out of bounds
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if (new_x < 0 || new_x >= WIDTH || new_y < 0 || new_y >= HEIGHT) {
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printf("Snake hit the wall!\n");
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exit(EXIT_SUCCESS);
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}
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// Check if the new position is on the snake
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if (is_snake(state->snake, new_x, new_y)) {
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printf("Snake hit itself!\n");
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exit(EXIT_SUCCESS);
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}
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// Check if the new position is on food
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for (int i = 0; i < FOOD_COUNT; i++) {
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if (state->foodx[i] == new_x && state->foody[i] == new_y) {
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state->foodx[i] = -1;
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state->foody[i] = -1;
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// Grow the snake
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struct snake* new_head = add_snake(state->snake, new_x, new_y);
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if (new_head == NULL) {
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printf("Memory allocation failed!\n");
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exit(EXIT_FAILURE);
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}
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state->snake = new_head;
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return;
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}
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}
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// Move the snake
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struct snake* new_head = add_snake(state->snake, new_x, new_y);
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if (new_head == NULL) {
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printf("Memory allocation failed!\n");
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exit(EXIT_FAILURE);
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}
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state->snake = new_head;
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remove_snake(state->snake);
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}
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int main() {
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// Initialize game state
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struct state game_state;
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game_state.snake = add_snake(NULL, WIDTH / 2, HEIGHT / 2);
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if (game_state.snake == NULL) {
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printf("Memory allocation failed!\n");
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return EXIT_FAILURE;
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}
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game_state.width = WIDTH;
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game_state.height = HEIGHT;
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game_state.sx = 1;
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game_state.sy = 0;
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initialize_food(game_state.foodx, game_state.foody);
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// Main game loop
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while (1) {
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system("clear"); // Clear the console
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print_world(&game_state);
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// Check if all food is eaten
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int food_eaten = 1;
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for (int i = 0; i < FOOD_COUNT; i++) {
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if (game_state.foodx[i] >= 0 && game_state.foody[i] >= 0) {
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food_eaten = 0;
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break;
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}
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}
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if (food_eaten) {
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printf("All food eaten! You win!\n");
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break;
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}
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// Move the snake according to the direction
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move_snake(&game_state, game_state.sx, game_state.sy);
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// Delay for a short time to slow down the game
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// Adjust this value to change the game speed
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usleep(200000); // 200 milliseconds
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}
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// Free memory
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free_snake(game_state.snake);
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return EXIT_SUCCESS;
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}
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