manual??? and refactoring

grid_game_engine.h

@@ -2,7 +2,7 @@
  * Created by snapshot112 on 10/15/25.
  *
  * A game engine that uses the can run and display games in rectangular grids.
- * The graphics are made using ncursesw.
+ * The graphics are made using ncurses.
  *
  * Please make sure to initialize the game engine before running any games.
  */
@@ -11,6 +11,8 @@
 #define MINIGAME_MENU_GRID_GAME_ENGINE_H
 #include "rooster.h"
 
+#define KEY_ESCAPE 27
+
 typedef struct {
     int x;
     int y;
@@ -92,25 +94,29 @@ void update_grid(rooster *gp, char c, int x, int y);
  * Display the ending screen that matches the end state of the grid.
  *
  * Input:
- * gp: A pointer to the grid.
+ * gp:          A pointer to the grid.
+ * coordinate:  The location to show the ending screen.
  *
  * Side Effects:
  * The end of game screen gets displayed with a graceful exit.
  */
-void game_exit_screen(rooster *gp);
+void game_exit_screen(const rooster *gp, coordinate location);
 
 /*
- * Waits for you to press 'q' before exiting the game.
+ * Waits for you to press ENTER or SPACE before exiting the game.
  *
- * Side effect: Prints "Press 'q' to exit." game to the console.
+ * Input:
+ * coordinate: The location to show the message.
+ *
+ * Side effect: Prints "Press ENTER or SPACE to exit." game to the console.
  */
-void graceful_exit(void);
+void graceful_exit(coordinate message_location);
 
 /*
  * Initialize ncurses.
  *
  * This enables cbreak, noecho, hides the cursor and enables the extra keys.
- * This also creates the color pairs needed for game_colors,
+ * This also creates the color pairs needed for game_colors and sets ESCDELAY to 0.
  */
 void init_engine(void);