From 054c9c903657077ba908561ffa5d49096ec327c5 Mon Sep 17 00:00:00 2001
From: Anzhelika Nikolaieva <anzhelika.nikolaieva@student.tuke.sk>
Date: Thu, 13 Apr 2023 14:02:32 +0000
Subject: [PATCH] Update 'du7/snake.c'

---
 du7/snake.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/du7/snake.c b/du7/snake.c
index 7535d1a..8092cd4 100644
--- a/du7/snake.c
+++ b/du7/snake.c
@@ -35,7 +35,7 @@ struct snake* remove_snake(struct snake* snake){
 
 
 void free_snake(struct snake* sn){
-    struct snake* current = snake;
+    struct snake* current = sn;
         while (current != NULL) {
             struct snake* next = current->next;
             free(current);
@@ -60,22 +60,22 @@ int is_snake(struct snake* snake,int x,int y){
 int step_state(struct state* st){
 	int nx = (st->snake->x + st->sx);
     int ny = (st->snake->y + st->sy);
-    if (new_head_x < 0 || new_head_x >= state->width || new_head_y < 0 || new_head_y >= state->height) {
+    if (nx < 0 || nx >= st->width || ny < 0 || ny >= st->height) {
         return END_WALL;
     }
 
     // Check if snake hit itself
-    if (is_snake(state->snake, new_head_x, new_head_y)) {
+    if (is_snake(st->snake, nx, ny)) {
         return END_SNAKE;
     }
 
     // Check if snake ate food
     int food_eaten = 0;
     for (int i = 0; i < FOOD_COUNT; i++) {
-        if (state->foodx[i] >= 0 && state->foodx[i] == new_head_x && state->foody[i] == new_head_y) {
-            state->foodx[i] = -1;
-            state->foody[i] = -1;
-            state->snake = add_snake(state->snake, new_head_x, new_head_y);
+        if (st->foodx[i] >= 0 && st->foodx[i] == nx && st->foody[i] == ny) {
+            st->foodx[i] = -1;
+            st->foody[i] = -1;
+            st->snake = add_snake(st->snake, nx, ny);
             food_eaten = 1;
             break;
         }
@@ -85,7 +85,7 @@ int step_state(struct state* st){
     if (!food_eaten) {
         int food_left = 0;
         for (int i = 0; i < FOOD_COUNT; i++) {
-            if (state->foodx[i] >= 0) {
+            if (st->foodx[i] >= 0) {
                 food_left = 1;
                 break;
             }
@@ -94,9 +94,9 @@ int step_state(struct state* st){
             return END_FOOD;
         }
         // Remove the last snake part
-        state->snake = remove_snake(state->snake);
+        st->snake = remove_snake(st->snake);
         // Add new snake part
-        state->snake = add_snake(state->snake, new_head_x, new_head_y);
+        st->snake = add_snake(st->snake, nx, ny);
     }
 
     return END_CONTINUE;