From fe08b51e7022a25531a5cecb8d90bf978a4ec50f Mon Sep 17 00:00:00 2001
From: Denys Sanchuk <denys.sanchuk@student.tuke.sk>
Date: Tue, 8 Apr 2025 12:38:56 +0000
Subject: [PATCH] Aktualizovat du5/snake.c

---
 du5/snake.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/du5/snake.c b/du5/snake.c
index 75d473b..b52aa90 100644
--- a/du5/snake.c
+++ b/du5/snake.c
@@ -41,5 +41,38 @@ void free_snake(struct snake* sn) {
         sn = next;
     }
 }
+int step_state(struct state* state) {
+    int new_x = state->snake->x + state->sx;
+    int new_y = state->snake->y + state->sy;
 
+    if (new_x < 0 || new_x >= state->width || new_y < 0 || new_y >= state->height) {
+        return END_WALL;
+    }
+
+    if (is_snake(state->snake, new_x, new_y)) {
+        return END_SNAKE;
+    }
+
+    for (int i = 0; i < FOOD_COUNT; i++) {
+        if (state->foodx[i] == new_x && state->foody[i] == new_y) {
+            state->snake = add_snake(state->snake, new_x, new_y);
+            state->foodx[i] = -1;
+            state->foody[i] = -1;
+
+            int food_left = 0;
+            for (int j = 0; j < FOOD_COUNT; j++) {
+                if (state->foodx[j] >= 0 && state->foody[j] >= 0) {
+                    food_left = 1;
+                    break;
+                }
+            }
+
+            return food_left ? END_CONTINUE : END_FOOD;
+        }
+    }
+
+    state->snake = add_snake(state->snake, new_x, new_y);
+    state->snake = remove_snake(state->snake);
+    return END_CONTINUE;
+}