Got the minigame menu up, running and documented. Also split up the game file

minigame_menu.c

@@ -0,0 +1,173 @@
+//
+// Created by snapshot112 on 10/15/25.
+//
+
+#include "minigame_menu.h"
+
+#include <ncurses.h>
+#include <stdlib.h>
+
+#include "grid_game_engine.h"
+#include "maze_runner.h"
+#include "minesweeper.h"
+#include "rooster.h"
+#include "snake.h"
+
+#define AMOUNT_OF_MENU_OPTIONS 4
+
+static game SELECTED_GAME = GAME_MAZE_RUNNER;
+static int OFFSET_Y = 5;
+static int OFFSET_X = 5;
+
+/*
+ * Launch a game from the menu.
+ *
+ * Input:
+ * menu: A pointer to the menu grid.
+ * game: The game you want to launch.
+ */
+static void launch_game(rooster *menu, const game game) {
+    switch (game) {
+        case GAME_MAZE_RUNNER:
+            maze_runner();
+            break;
+        case GAME_SNAKE:
+            snake();
+            break;
+        case GAME_MINESWEEPER:
+            minesweeper();
+            break;
+    }
+}
+
+/*
+ * Highlight a valid menu option.
+ *
+ * Input:
+ * menu:        A pointer to the menu grid.
+ * target:      The menu option to highlight.
+ * offset_x:    The x offset of the menu.
+ * offset_y:    The y offset of the menu.
+ *
+ * Side effects:
+ * If a valid menu option is provided:      It will be highlighted in green.
+ * If an invalid menu option is provided:   Nothing happens
+ */
+static void menu_highlight(const rooster *menu) {
+    switch (SELECTED_GAME) {
+        case GAME_MAZE_RUNNER:
+        case GAME_SNAKE:
+        case GAME_MINESWEEPER:
+        case GAME_QUIT:
+            attron(COLOR_PAIR(GREEN));
+
+            char* row = rooster_vraag_rij(menu, SELECTED_GAME);
+            mvprintw(OFFSET_Y + (int)SELECTED_GAME, OFFSET_X,  "%s", row);
+            free(row);
+
+            attroff(COLOR_PAIR(GREEN));
+    }
+}
+
+/*
+ * Show the menu screen.
+ *
+ * Input:
+ * menu:                A pointer to the menu grid.
+ * default_selection:   The starting selection in the menu.
+ * offset_x:            The x offset of the menu.
+ * offset_y:            The y offset of the menu.
+ *
+ * Side Effects:
+ * Displays the menu
+ */
+static void show_menu(const rooster *menu) {
+    clear();
+    show_grid_on_offset(menu, OFFSET_X, OFFSET_Y);
+    menu_highlight(menu);
+    refresh();
+}
+
+/*
+ * Select the game on a location determined by a given offset.
+ * Negative values go up and positive values go down.
+ * Out of bounds selections loop around.
+ *
+ * Input:
+ * selected_game:  The currently selected game.
+ * offset:         The amount offset the current selection by.
+ *
+ * Side effect:
+ * The game on the location of the given offset will be selected.
+ */
+static void menu_move(const int offset) {
+    SELECTED_GAME = modulo(SELECTED_GAME + offset, AMOUNT_OF_MENU_OPTIONS);
+}
+
+/*
+ * Navigate through the menu.
+ *
+ * Input:
+ * menu: A pointer to the menu grid.
+ *
+ * Output: A code that reflects the current menu state.
+ * 0: Continue running.
+ * 1: Exit the menu.
+ *
+ *
+ * Side Effect:
+ * Changes the SELECTED_GAME as needed and launches selected games on select.
+ */
+static int navigate_menu(rooster *menu) {
+    switch (getch()) {
+        case KEY_UP:
+        case 'w':
+        case 'W':
+            menu_move(-1);
+            break;
+        case KEY_DOWN:
+        case 's':
+        case 'S':
+            menu_move(1);
+            break;
+        case KEY_ENTER:
+        case 'f':
+        case 'F':
+            if (SELECTED_GAME == GAME_QUIT) {
+                return 1;
+            }
+            launch_game(menu, SELECTED_GAME);
+            break;
+        case KEY_BACKSPACE:
+            return 1;
+    }
+    return 0;
+}
+
+/*
+ * Create the menu grid.
+ *
+ * Output:
+ * A pointer to the menu grid.
+ */
+static rooster *initialize_menu(void) {
+    char menu[] = "Maze Runner\n"
+                  "   Snake   \n"
+                  "Minesweeper\n"
+                  "   Leave   \n";
+    rooster *rp = rooster_maak(menu);
+    return rp;
+}
+
+void minigame_menu(void) {
+    rooster *menu = initialize_menu();
+
+    while (true) {
+        show_menu(menu);
+        if (navigate_menu(menu) == 1) {
+            break;
+        }
+    }
+
+    rooster_klaar(menu);
+}