49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "snake.h"
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struct snake* add_snake(struct snake* snake, int x, int y) {
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struct snake* new_head = (struct snake*)malloc(sizeof(struct snake));
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if (new_head == NULL) {
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fprintf(stderr, "Memory allocation failed.\n");
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exit(EXIT_FAILURE);
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}
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new_head->x = x;
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new_head->y = y;
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new_head->next = snake;
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return new_head;
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}
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struct snake* remove_snake(struct snake* snake) {
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if (snake == NULL) {
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return NULL;
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}
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struct snake* new_head = snake->next;
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free(snake);
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return new_head;
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}
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int is_snake(struct snake* snake, int x, int y) {
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while (snake != NULL) {
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if (snake->x == x && snake->y == y) {
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return 1;
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}
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snake = snake->next;
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}
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return 0;
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}
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void free_snake(struct snake* sn) {
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struct snake* current = sn;
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while (current != NULL) {
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struct snake* temp = current;
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current = current->next;
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free(temp);
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}
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}
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int step_state(struct state* state) {
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return END_CONTINUE;
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}
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