Implement main menu

3 files changed, 91 insertions, 0 deletions

diff --git a/src/menu/CMakeLists.txt b/src/menu/CMakeLists.txt
new file mode 100644
index 0000000..c4adb09
--- /dev/null
+++ b/src/menu/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_library(menu
+    "src/menu.c"
+)
+target_include_directories(menu PUBLIC "inc")
+target_link_libraries(menu PRIVATE camera game gfx gui system)
diff --git a/src/menu/inc/menu.h b/src/menu/inc/menu.h
new file mode 100644
index 0000000..4e92a3f
--- /dev/null
+++ b/src/menu/inc/menu.h
@@ -0,0 +1,15 @@
+#ifndef MENU_H
+#define MENU_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+int menu(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MENU_H */
diff --git a/src/menu/src/menu.c b/src/menu/src/menu.c
new file mode 100644
index 0000000..12da1a8
--- /dev/null
+++ b/src/menu/src/menu.c
@@ -0,0 +1,71 @@
+#include <menu.h>
+#include <camera.h>
+#include <game.h>
+#include <gfx.h>
+#include <gui.h>
+#include <gui/button.h>
+#include <system.h>
+#include <stdbool.h>
+
+static void on_pressed(void *const arg)
+{
+    *(bool *)arg = true;
+}
+
+int menu(void)
+{
+    struct camera cam = {0};
+    struct gui_button play;
+    union peripheral p;
+    bool start = false;
+
+    if (game_resinit())
+        return -1;
+
+    cursor_init(&cam.cursor);
+    gui_button_init(&play);
+    play.on_pressed = on_pressed;
+    play.arg = &start;
+    play.w = 140;
+    play.label.text = "Play";
+
+    {
+        const struct peripheral_cfg cfg =
+        {
+            .type = PERIPHERAL_TYPE_KEYBOARD_MOUSE
+        };
+
+        peripheral_init(&cfg, &p);
+    }
+
+    while (!start)
+    {
+        system_loop();
+        peripheral_update(&p);
+        camera_update(&cam, &p);
+
+        play.common.x = screen_w / 2 - play.w / 2;
+        play.common.y = screen_h / 2 - 20;
+        play.label.common.x = play.w / 2 - 20;
+        play.label.common.y = 4;
+
+        if (gui_update(&play.common, &p, &cam))
+            return -1;
+
+        rect_get_or_ret(r, -1);
+        rect_init(r);
+        r->w = screen_w;
+        r->h = screen_h;
+        rect_sort(r);
+
+        if (p.common.exit)
+            return 0;
+
+        if (gui_render(&play.common)
+            || cursor_render(&cam.cursor)
+            || gfx_draw())
+            return -1;
+    }
+
+    return game(NULL);
+}