From b4dd0c8956f1c81836e4f3020efe2f85b3d91902 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Tue, 20 Jun 2023 23:08:22 +0100
Subject: Add menu screen (WIP)

---
 src/data.h |  1 +
 src/game.c |  4 ++++
 src/main.c |  8 +++-----
 src/menu.c | 35 +++++++++++++++++++++++++++++++++++
 src/menu.h |  6 ++++++
 5 files changed, 49 insertions(+), 5 deletions(-)
 create mode 100644 src/menu.c
 create mode 100644 src/menu.h

(limited to 'src')

diff --git a/src/data.h b/src/data.h
index 8d4b2e3..78a1f60 100644
--- a/src/data.h
+++ b/src/data.h
@@ -6,6 +6,7 @@ extern const uint8_t binary_palette_start[];
 extern const uint8_t binary_sprites_start[];
 extern const uint8_t binary_tiles_start[];
 extern const uint8_t binary_font_start[];
+extern const uint8_t binary_title_start[];
 
 extern const uint8_t binary_stage_start[];
 
diff --git a/src/game.c b/src/game.c
index b80090a..cdb0c07 100644
--- a/src/game.c
+++ b/src/game.c
@@ -105,6 +105,10 @@ void run_game()
         wait_vsync();
         blit_update();
     }
+
+    /* wait for ESC to be release */
+    while (keys[KEY_ESC])
+        wait_vsync();
 }
 
 void add_score(uint8_t v)
diff --git a/src/main.c b/src/main.c
index 0711cf9..6207b35 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,7 @@
 #include "keyb.h"
 #include "vga.h"
 #include "data.h"
+#include "menu.h"
 #include "game.h"
 
 /* disable paging because our int handlers are written in C */
@@ -41,11 +42,8 @@ int main(int argc, char *argv[])
         return 1;
     }
 
-    blit_erase(0);
-    wait_vsync();
-    blit_update();
-
-    run_game();
+    while (run_menu())
+        run_game();
 
     set_mode(3);
     close_framebuffer();
diff --git a/src/menu.c b/src/menu.c
new file mode 100644
index 0000000..02cda24
--- /dev/null
+++ b/src/menu.c
@@ -0,0 +1,35 @@
+#include <stdint.h>
+
+#include "keyb.h"
+#include "vga.h"
+#include "text.h"
+#include "data.h"
+
+uint8_t run_menu()
+{
+    blit_erase(0);
+
+    put_text(124, 10, "HI 000000");
+
+    Rect dst = { 80, 45, 160, 38 };
+    blit(binary_title_start, &dst);
+
+    put_text(84, 110, "PRESS SPACE TO PLAY");
+
+    put_text(64, 140, "CODE, GRAPHICS AND MUSIC");
+    put_text(96, 150, "JUAN J. MARTINEZ");
+
+    put_text(96, 180, "_2023 USEBOX.NET");
+
+    wait_vsync();
+    blit_update();
+
+    while (1)
+    {
+        if (keys[KEY_ESC])
+            return 0;
+
+        if (keys[KEY_SPACE])
+            return 1;
+    }
+}
diff --git a/src/menu.h b/src/menu.h
new file mode 100644
index 0000000..b367b99
--- /dev/null
+++ b/src/menu.h
@@ -0,0 +1,6 @@
+#ifdef _MENU_H
+#define _MENU_H
+
+uint8_t run_menu();
+
+#endif /* _MENU_H */
-- 
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