fixed printing and some logic

2048.c

@@ -3,16 +3,14 @@
 #include <time.h>
 
 void game_add_block(Game game) {
-    start:
     size_t x, y;
     int value;
-    x = rand() % game.field_size; 
-    y = rand() % game.field_size;
-    value = (rand() % 2) + 1;
-    if(game.field[x][y] != 0)
-        game.field[x][y] = value * 2;
-    else
-        goto start;
+    do {
+        x = rand() % game.field_size; 
+        y = rand() % game.field_size;
+        value = (rand() % 2) + 1;
+    } while (game.field[x][y] != 0);
+    game.field[x][y] = value * 2;
 }
 
 Game game_init(size_t field_size) {
@@ -27,6 +25,7 @@ Game game_init(size_t field_size) {
     time_t t;
     srand((unsigned) time(&t));
     game_add_block(game);
+
     return game;
 }
 
@@ -39,5 +38,35 @@ void game_destroy(Game game) {
 }
 
 uint8_t game_move(Game *game, Direction direction) {
+    // setting up stuff for my funny two-way for loop
+    // well technically speaking about 4-way because there
+    // are two 2-way for loops
+    /*
+    int8_t y_dir = 0;
+    int8_t x_dir = 0;
+    size_t start_y = 0;
+    size_t start_x = 0;
+    switch(direction) {
+        case NoDirection:
+            return 0;
+        case Up:
+            y_dir = -1;
+            start_y = game->field_size - 1;
+            break;
+        case Down:
+            y_dir = 1;
+            break;
+        case Left:
+            x_dir = -1;
+            start_x = game->field_size - 1;
+            break;
+        case Right:
+            x_dir = 1;
+            break;
+    }
+    */
+
+
+    game_add_block(*game);
     return 0;
 }

tui.c

@@ -2,8 +2,8 @@
 #include <stdio.h>
 #include <curses.h>
 
-const space_between_cells_x = 6;
-const space_between_cells_y = 2;
+const uint32_t space_between_cells_x = 6;
+const uint32_t space_between_cells_y = 2;
 
 // entering and leaving screen using ANSI escape sequence
 void tui_init() {
@@ -18,6 +18,14 @@ void tui_destroy() {}
 
 void tui_loop(Game *game) {
     while(true){
+        // printing the game state is fun
+        clear();
+        for (size_t i = 0; i < game->field_size; i++) {
+            for (size_t j = 0; j < game->field_size; j++) {
+                mvprintw(i * space_between_cells_y, j * space_between_cells_x, "%d", game->field[i][j]);
+            }
+        }
+
         char input = getch();
         Direction dir = NoDirection;
         // these are not magic numbers
@@ -46,12 +54,5 @@ void tui_loop(Game *game) {
                 break;
         }
         game_move(game, dir);
-
-        // printing the game state is fun
-        for (size_t i = 0; i < game->field_size; i++) {
-            for (size_t j = 0; j < game->field_size; j++) {
-                mvprintw(i * space_between_cells_y, j * space_between_cells_x, "%d", game->field[i][j]);
-            }
-        }
     }
 }