refactor(client): 메인 화면 그리기 로직 개선

Author: ArpaAP

client/ui/main_screen.c

@@ -8,44 +8,51 @@ void draw_main_screen() {
     int rows, cols;
     getmaxyx(stdscr, rows, cols);
 
-    // 화면 중앙 계산
+    // 더 큰 메인 윈도우 크기
     int main_height = 25;
     int main_width  = 80;
     int start_y     = (rows - main_height) / 2;
     int start_x     = (cols - main_width) / 2;
 
-    // stdscr에 직접 그리기
+    WINDOW *main_win = newwin(main_height, main_width, start_y, start_x);
+    werase(main_win);  // 윈도우만 지우기
+
     // ASCII 아트 제목
-    attron(A_BOLD);
-    mvprintw(start_y + 2, start_x + (main_width - 51) / 2, " ██████╗██╗  ██╗███████╗███████╗███████╗    ██████╗");
-    mvprintw(start_y + 3, start_x + (main_width - 51) / 2, "██╔════╝██║  ██║██╔════╝██╔════╝██╔════╝   ██╔═══╝");
-    mvprintw(start_y + 4, start_x + (main_width - 51) / 2, "██║     ███████║█████╗  ███████╗███████╗   ██║    ");
-    mvprintw(start_y + 5, start_x + (main_width - 51) / 2, "██║     ██╔══██║██╔══╝  ╚════██║╚════██║   ██║    ");
-    mvprintw(start_y + 6, start_x + (main_width - 51) / 2, "╚██████╗██║  ██║███████╗███████║███████║██╗╚██████╗");
-    mvprintw(start_y + 7, start_x + (main_width - 51) / 2, " ╚═════╝╚═╝  ╚═╝╚══════╝╚══════╝╚══════╝╚═╝ ╚═════╝");
-    attroff(A_BOLD);
+    wattron(main_win, A_BOLD);
+    mvwprintw(main_win, 2, (main_width - 51) / 2, " ██████╗██╗  ██╗███████╗███████╗███████╗    ██████╗");
+    mvwprintw(main_win, 3, (main_width - 51) / 2, "██╔════╝██║  ██║██╔════╝██╔════╝██╔════╝   ██╔═══╝");
+    mvwprintw(main_win, 4, (main_width - 51) / 2, "██║     ███████║█████╗  ███████╗███████╗   ██║    ");
+    mvwprintw(main_win, 5, (main_width - 51) / 2, "██║     ██╔══██║██╔══╝  ╚════██║╚════██║   ██║    ");
+    mvwprintw(main_win, 6, (main_width - 51) / 2, "╚██████╗██║  ██║███████╗███████║███████║██╗╚██████╗");
+    mvwprintw(main_win, 7, (main_width - 51) / 2, " ╚═════╝╚═╝  ╚═╝╚══════╝╚══════╝╚══════╝╚═╝ ╚═════╝");
+    wattroff(main_win, A_BOLD);
 
     // 부제목
-    attron(A_ITALIC);
-    mvprintw(start_y + 9, start_x + (main_width - 16) / 2, "MULTIPLAYER GAME");
-    attroff(A_ITALIC);
+    wattron(main_win, A_ITALIC);
+    mvwprintw(main_win, 9, (main_width - 16) / 2, "MULTIPLAYER GAME");
+    wattroff(main_win, A_ITALIC);
 
     // 장식선
-    attron(COLOR_PAIR(COLOR_PAIR_BORDER));
-    mvprintw(start_y + 11, start_x + (main_width - 60) / 2, "═══════════════════════════════════════════════════════════");
-    attroff(COLOR_PAIR(COLOR_PAIR_BORDER));
+    wattron(main_win, COLOR_PAIR(COLOR_PAIR_BORDER));
+    mvwprintw(main_win, 11, (main_width - 60) / 2, "═══════════════════════════════════════════════════════════");
+    wattroff(main_win, COLOR_PAIR(COLOR_PAIR_BORDER));
 
     // 메뉴 항목들
-    attron(A_BOLD);
-    mvprintw(start_y + 14, start_x + (main_width - 18) / 2, "1. Start New Game");
-    mvprintw(start_y + 16, start_x + (main_width - 18) / 2, "2. Replay        ");
-    mvprintw(start_y + 18, start_x + (main_width - 18) / 2, "3. Exit          ");
-    attroff(A_BOLD);
+    wattron(main_win, A_BOLD);
+    mvwprintw(main_win, 14, (main_width - 18) / 2, "1. Start New Game");
+    mvwprintw(main_win, 16, (main_width - 18) / 2, "2. Replay        ");
+    mvwprintw(main_win, 18, (main_width - 18) / 2, "3. Exit          ");
+    wattroff(main_win, A_BOLD);
 
     // 하단 장식
-    attron(COLOR_PAIR(COLOR_PAIR_BORDER));
-    mvprintw(start_y + 21, start_x + (main_width - 60) / 2, "═══════════════════════════════════════════════════════════");
-    attroff(COLOR_PAIR(COLOR_PAIR_BORDER));
+    wattron(main_win, COLOR_PAIR(COLOR_PAIR_BORDER));
+    mvwprintw(main_win, 21, (main_width - 60) / 2, "═══════════════════════════════════════════════════════════");
+    wattroff(main_win, COLOR_PAIR(COLOR_PAIR_BORDER));
+
+    // 윈도우 내용을 stdscr에 복사한 후 윈도우 삭제
+    // 이렇게 하면 delwin() 후에도 내용이 stdscr에 남아있음
+    copywin(main_win, stdscr, 0, 0, start_y, start_x, start_y + main_height - 1, start_x + main_width - 1, 0);
+    delwin(main_win);  // 윈도우 메모리 해제
 
     // 연결 상태 표시
     draw_connection_status();