123

a2/snake.c

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 
 // Inicializuje stav hry
@@ -18,23 +19,59 @@ void init_state(struct state* state, int width, int height) {
 void generate_food(struct state* state) {
     for(int i = 0; i < FOOD_COUNT; i++) {
         if(state->foodx[i] == -1) {
+            do {
                 state->foodx[i] = rand() % state->width;
                 state->foody[i] = rand() % state->height;
+            } while(is_snake(state->snake, state->foodx[i], state->foody[i]));
         }
     }
 }
 
+// Vykresli stav hry
+void draw_state(struct state* state) {
+    for(int y = 0; y < state->height; y++) {
+        for(int x = 0; x < state->width; x++) {
+            if(is_snake(state->snake, x, y)) {
+                printf("S");
+            } else {
+                int is_food = 0;
+                for(int i = 0; i < FOOD_COUNT; i++) {
+                    if(state->foodx[i] == x && state->foody[i] == y) {
+                        is_food = 1;
+                        break;
+                    }
+                }
+                printf(is_food ? "F" : ".");
+            }
+        }
+        printf("\n");
+    }
+}
+
+// Spracuje vstup od hráča
+void process_input(struct state* state) {
+    char input = getchar();
+    switch(input) {
+        case 'w': state->sx = 0; state->sy = -1; break;
+        case 'a': state->sx = -1; state->sy = 0; break;
+        case 's': state->sx = 0; state->sy = 1; break;
+        case 'd': state->sx = 1; state->sy = 0; break;
+    }
+}
+
 // Hlavná slučka hry
 void game_loop(struct state* state) {
     while(1) {
+        draw_state(state);
+        process_input(state);
         int result = step_state(state);
         if(result == END_WALL || result == END_SNAKE) {
+            printf("Game over!\n");
             break;
         }
         if(result == END_FOOD) {
             generate_food(state);
         }
-        // TODO: Pridajte kód pre vykreslenie hry a spracovanie vstupu od hráča
     }
 }