snake_c

public

Small snake game in C

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27 commits 2 branches 1 tag 0 releases565.5 KiB

Commit `02d07de53377`

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Jaglekon <58274093+Jaglekon@users.noreply.github.com>2026-03-29 12:17 UTC

1 file changed+96-45

refactor 10

Modified file: snake.c+96 additions−45 deletions@@ -48,6 +48,11 @@ typedef enum {
   DIRECTIONS = 4
 } direction;
 
+typedef enum {
+  AIR, FRUIT, HEAD_1, HEAD_2, HORIZONTAL, VERTICAL, 
+  TOP_RIGHT, TOP_LEFT, BOTTOM_RIGHT, BOTTOM_LEFT
+} board_state;
+
 typedef struct selected {
   int8_t x;
   int8_t y;
@@ -66,16 +71,18 @@ typedef struct snake {
 
 uint8_t update_snake (selected game_size, snake *my_snake, direction shift);
 void update_field(snake my_snake, selected game_size, 
-  char board[game_size.y][game_size.x][STRING_LEN],selected fruit);
-selected new_fruit(selected game_size, char board[game_size.y][game_size.x][STRING_LEN]);
+  board_state **board, selected fruit);
+selected new_fruit(selected game_size, board_state **board);
 
 bool start_animation();
 bool draw_menu(main_menu menu, struct winsize window_size);
-bool draw_board(selected game_size, char board[game_size.y][game_size.x][STRING_LEN],
+bool draw_board(selected game_size, board_state **board,
   struct winsize window_size, bool redraw, bool paused);
 void draw_pause(struct winsize window_size, 
   uint8_t field_width,uint8_t field_height);
 
+char *give_state(board_state square);
+
 direction read_direction(char *string, bool wasd_enabled);
 
 int main(int argc, char *args[]) {
@@ -133,13 +140,8 @@ int main(int argc, char *args[]) {
 
 
   /* Animation at the start */
-  if (!start_animation()) {
-    tcsetattr(STDIN_FILENO, TCSANOW, &old);
-    printf("\033[?25h\n\n");
-
-    printf("\033[32m");
-    return 0;
-  }
+  if (!start_animation())
+    goto end_of_program;
 
   /* Menu */
 
@@ -182,14 +184,8 @@ int main(int argc, char *args[]) {
       if (string[0] == '\n')
         pressed_enter = true;
       
-      if (toupper(string[0]) == 'Q') {
-        tcsetattr(STDIN_FILENO, TCSANOW, &old);
-        printf("\033[?25h\n\n");
-
-
-        printf("\033[32m");
-        return 0;
-      }
+      if (toupper(string[0]) == 'Q')
+        goto end_of_program;
     }
 
     if (!setting) {
@@ -400,7 +396,7 @@ int main(int argc, char *args[]) {
       pressed_enter = false;
     }
 
-    nanosleep(&mili100, NULL);
+  nanosleep(&mili100, NULL);
   }
 
   /* initialisation of the game */
@@ -425,7 +421,20 @@ int main(int argc, char *args[]) {
   }
 
   selected fruit = {-1, -1};
-  char board[game_size.y][game_size.x][STRING_LEN] = {};
+
+  board_state **board = malloc(game_size.y * sizeof(board_state*));
+  board_state *values = calloc(game_size.y * game_size.x, sizeof(board_state));
+
+  if(board == NULL || values == NULL)
+  goto end_of_program;
+
+  {
+    uint8_t i;
+
+    for (i = 0; i < game_size.y; i++)
+      board[i] = values + i * game_size.x;
+  }
+
 
   update_field(my_snake, game_size, board, fruit);
 
@@ -501,11 +510,11 @@ int main(int argc, char *args[]) {
         switch (update) {
             case 0: 
               printf("\nERROR\n");
-              goto end_of_program;
+              goto end_free;
               break;
             case 2:
               printf("\nHAHA LOST, LOSER");
-              goto end_of_program;
+              goto end_free;
               break;
             default:
               break;
@@ -529,6 +538,11 @@ int main(int argc, char *args[]) {
     nanosleep(&milispeed, NULL);
   }
 
+end_free:
+
+      free(board);
+      free(values);
+
 end_of_program:
 
   tcsetattr(STDIN_FILENO, TCSANOW, &old);
@@ -583,13 +597,13 @@ uint8_t update_snake (selected game_size, snake *my_snake, direction shift) {
   return 1;
 }
 
-void update_field(snake my_snake, selected game_size, char board[game_size.y][game_size.x][STRING_LEN],selected fruit) {
+void update_field(snake my_snake, selected game_size, board_state **board, selected fruit) {
 
   uint8_t i, j;
 
   for (i = 0; i < game_size.y; i++) {
     for (j = 0; j < game_size.x; j++) {
-      strcpy(board[i][j], "  ");
+      board[i][j] = AIR;
     }
   }
 
@@ -599,45 +613,45 @@ void update_field(snake my_snake, selected game_size, char board[game_size.y][ga
     if (x >= 0 && y >= 0) {
       if (!i) {
         if (my_snake.position[i].directions[0] == RIGHT) {
-          strcpy(board[y][x], "\033[33m═\033[31mX\033[0m");
+          board[y][x] = HEAD_1;
         } else {
-          strcpy(board[y][x], "\033[31m X\033[0m");
+          board[y][x] = HEAD_2;
         }
       } else {
 
-        char *snake_bit[DIRECTIONS][DIRECTIONS] = {
-          [UP][UP] = " ║",
-          [DOWN][DOWN] = " ║",
+        board_state snake_bit[DIRECTIONS][DIRECTIONS] = {
+          [UP][UP] = VERTICAL,
+          [DOWN][DOWN] = VERTICAL,
           
-          [RIGHT][RIGHT] = "══",
-          [LEFT][LEFT] = "══",
+          [RIGHT][RIGHT] = HORIZONTAL,
+          [LEFT][LEFT] = HORIZONTAL,
           
-          [DOWN][RIGHT] = "═╗",
-          [LEFT][UP] = "═╗",
+          [DOWN][RIGHT] = BOTTOM_LEFT,
+          [LEFT][UP] = BOTTOM_LEFT,
           
-          [UP][RIGHT] = "═╝",
-          [LEFT][DOWN] = "═╝",
+          [UP][RIGHT] = TOP_LEFT,
+          [LEFT][DOWN] = TOP_LEFT,
           
-          [DOWN][LEFT] = " ╔",
-          [RIGHT][UP] = " ╔",
+          [DOWN][LEFT] = BOTTOM_RIGHT,
+          [RIGHT][UP] = BOTTOM_RIGHT,
           
-          [UP][LEFT] = " ╚",
-          [RIGHT][DOWN] = " ╚"
+          [UP][LEFT] = TOP_RIGHT,
+          [RIGHT][DOWN] = TOP_RIGHT
         };
 
         direction first = my_snake.position[i].directions[0];
         direction second = my_snake.position[i].directions[1];
 
-        snprintf(board[y][x], sizeof(board[y][x]),"\033[33m%s\033[0m",snake_bit[first][second]);
+        board[y][x] = snake_bit[first][second];
       }
     }
   }
 
   if (fruit.x >= 0 && fruit.y >= 0)
-    strcpy(board[fruit.y][fruit.x], "\033[32m O\033[0m");
+    board[fruit.y][fruit.x] = FRUIT;
 }
 
-selected new_fruit(selected game_size, char board[game_size.y][game_size.x][STRING_LEN]) {
+selected new_fruit(selected game_size, board_state **board) {
   bool found_space = false;
 
   uint8_t x;
@@ -647,7 +661,7 @@ selected new_fruit(selected game_size, char board[game_size.y][game_size.x][STRI
     x = rand() % game_size.x;
     y = rand() % game_size.y;
 
-    if (!strcmp(board[y][x], "  "))
+    if (board[y][x] == AIR)
       found_space = true;
   }
 
@@ -872,7 +886,7 @@ bool draw_menu(main_menu menu, struct winsize window_size) {
 
 bool draw_board(
   selected game_size,
-  char board[game_size.y][game_size.x][STRING_LEN],
+  board_state **board,
   struct winsize window_size, 
   bool redraw, bool paused
 ) {
@@ -918,7 +932,7 @@ bool draw_board(
     printf("|");
 
     for (j = 0; j < game_size.x; j++)
-      printf("%s", board[i][j]);
+      printf("%s", give_state(board[i][j]));
 
     printf("|\n");
   }
@@ -979,6 +993,43 @@ void draw_pause(struct winsize window_size, uint8_t field_width,
   fflush(stdout);
 }
 
+char *give_state(board_state square) {
+
+  switch (square) {
+    case FRUIT:
+      return "\033[32m O\033[0m";
+      break;
+    case HEAD_1:
+      return "\033[33m═\033[31mX\033[0m";
+      break;
+    case HEAD_2:
+      return "\033[31m X\033[0m";
+      break;    
+    case VERTICAL:
+      return "\033[33m ║\033[0m";
+      break;
+    case HORIZONTAL:
+      return "\033[33m══\033[0m";
+      break;
+    case TOP_RIGHT:
+      return "\033[33m ╚\033[0m";
+      break;
+    case TOP_LEFT:
+      return "\033[33m═╝\033[0m";
+      break;
+    case BOTTOM_RIGHT:
+      return "\033[33m ╔\033[0m";
+      break;
+    case BOTTOM_LEFT:
+      return "\033[33m═╗\033[0m";
+      break;
+    default:
+      return "  ";
+      break;
+  }
+}
+
+
 direction read_direction(char *string, bool wasd_enabled) {
 
   if (strlen(string) >= 3) {

snake_c

Commit 02d07de53377

Commit `02d07de53377`