54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
#include "snake.h"
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#include <stdlib.h>
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#include <assert.h>
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struct snake* add_snake(struct snake* snake,int x,int y){
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struct snake* hlavicka = calloc(1,sizeof(struct snake));
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hlavicka->x = x;
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hlavicka->y = y;
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hlavicka->next = snake;
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return hlavicka;
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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* nova_hlavicka = snake->next;
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free(snake);
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if (nova_hlavicka == NULL || nova_hlavicka->next == NULL) {
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assert(nova_hlavicka == NULL || nova_hlavicka->next == NULL);
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return nova_hlavicka;
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}
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struct snake* chvost = nova_hlavicka;
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while (chvost->next != NULL) {
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chvost = chvost->next;
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}
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assert(chvost->next == NULL);
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return nova_hlavicka;
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}
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void free_snake(struct snake* sn){
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}
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int is_snake(struct snake* snake,int x,int y){
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return 0;
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}
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int step_state(struct state* st){
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int nx = (st->snake->x + st->sx);
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int ny = (st->snake->y + st->sy);
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return END_CONTINUE;
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}
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