optionally set SDL video driver to KMS, set GPIO thread to daemon mode

.gitignore

@@ -14,3 +14,4 @@ include/
 lib/python3.9/
 pyvenv.cfg
 lib/python*
+stat/

NS.py

@@ -27,7 +27,6 @@ from pygame.mixer import Sound
 from pygame.image import load, fromstring
 from pygame.transform import rotate, flip, scale, smoothscale
 from pygame.time import get_ticks
-from pygame.font import Font
 from pygame.draw import aalines, lines
 from pygame.gfxdraw import aapolygon, arc, polygon, aaellipse, ellipse, filled_ellipse, filled_circle
 from pygame.locals import *
@@ -191,7 +190,7 @@ class NS(Game, Animation):
                 },
                 "input":
                 {
-                    "bool": "serial"
+                    "bool": ["serial", "pi"]
                 },
                 "display":
                 {
@@ -243,9 +242,10 @@ class NS(Game, Animation):
             # Initialize GPIO interface
             gpio.initialize_gpio()
 
-            # Launch a separate thread for reading the GPIO (and allowing its custom delays/sleeps)
+            # Launch a separate thread for reading the GPIO (and allowing its custom delays/sleeps). Use the daemon flag to force
+            # exit when the main thread is killed (by a sigterm from systemctl stop) (?).
             self.gpio_kill = False
-            self.gpio_thread = Thread(target=self.read_gpio)
+            self.gpio_thread = Thread(target=self.read_gpio, daemon=True)
             self.gpio_thread.start()
 
         # init Arduino
@@ -1114,7 +1114,7 @@ class Title(Animation):
             if ii == 0 or ii == 8:
                 y = 20
 
-            font = Font(self.get_resource(Dialogue.FONT_PATH), 18)
+            font = pygame.font.Font(self.get_resource(Dialogue.FONT_PATH), 18)
 
             # Parse both strings and score objects
             if isinstance(entry, NS.Score):
@@ -1269,7 +1269,7 @@ class Dialogue(Animation):
         self.avatar.location.center = self.avatar_box.location.center
 
     def set_name(self, text):
-        font = Font(self.get_resource(self.FONT_PATH), self.FONT_SIZE)
+        font = pygame.font.Font(self.get_resource(self.FONT_PATH), self.FONT_SIZE)
         self.name = Sprite(self)
         self.name.add_frame(font.render(text, True, self.TEXT_COLOR).convert_alpha())
         self.name.location.midleft = self.name_box.location.left + 5, self.name_box.location.centery
@@ -1298,7 +1298,7 @@ class Dialogue(Animation):
             self.name_box.update()
             self.name.update()
             self.text_box.update()
-            font = Font(self.get_resource(self.FONT_PATH), self.FONT_SIZE)
+            font = pygame.font.Font(self.get_resource(self.FONT_PATH), self.FONT_SIZE)
             message = Sprite(self)
             lines = self.full_text[:self.text_index].split("\n")
             frame = Surface((self.text_box.location.w - 10, 30 * len(lines)), SRCALPHA)
@@ -1330,7 +1330,7 @@ class SkipPrompt(GameChild):
                     self.buttons[-1].location.centery)
             left += self.buttons[-1].location.width + AdvancePrompt.BUTTON_SPACING
         self.text = Sprite(self)
-        font = Font(self.get_resource(Dialogue.FONT_PATH), 18)
+        font = pygame.font.Font(self.get_resource(Dialogue.FONT_PATH), 18)
         self.text.add_frame(font.render("TO SKIP", True, (0, 0, 0)).convert_alpha())
         self.text.location.midleft = (
             self.buttons[2].location.right + 5,
@@ -2807,7 +2807,7 @@ class Countdown(GameChild):
     def __init__(self, parent):
         GameChild.__init__(self, parent)
         dsr = self.get_display_surface().get_rect()
-        font = Font(self.get_resource(Dialogue.FONT_PATH), 76)
+        font = pygame.font.Font(self.get_resource(Dialogue.FONT_PATH), 76)
         self.heading = Sprite(self)
         self.heading.add_frame(font.render("CONTINUE?", True, (0, 0, 0), (255, 255, 255)).convert_alpha())
         self.heading.location.midtop = dsr.centerx, 50
@@ -3141,8 +3141,8 @@ class Ending(Animation):
         Animation.__init__(self, parent)
         self.slime_bag = Chemtrails(self)
         self.tony_avatar = load(self.get_resource("Introduction_tony_avatar.png")).convert()
-        self.time_font = Font(self.get_resource("rounded-mplus-1m-bold.ttf"), 64)
-        self.rank_font = Font(self.get_resource("rounded-mplus-1m-bold.ttf"), 26)
+        self.time_font = pygame.font.Font(self.get_resource("rounded-mplus-1m-bold.ttf"), 64)
+        self.rank_font = pygame.font.Font(self.get_resource("rounded-mplus-1m-bold.ttf"), 26)
         self.register(self.start, self.start_wipe)
         self.register(self.append_sword, interval=1500)
         self.swords = []

OPEN-GAME

@@ -29,11 +29,16 @@ if "--go-to-dir" in sys.argv:
 
 # Use the framebuffer display (for Raspberry Pi). This only works with Pygame 1.9.6 (and SDL 1.2).
 if "--fb" in sys.argv:
-    import os
     os.putenv("SDL_VIDEODRIVER", "fbcon")
     os.putenv("SDL_FBDEV", "/dev/fb0")
     ignore_sighup()
 
+# Use the KMS video driver. This works for newer versions of Raspberry Pi with the KMS overlay
+# enabled, SDL 2, and Pygame 2.
+if "--kms" in sys.argv:
+    os.putenv("SDL_VIDEODRIVER", "kmsdrm")
+    ignore_sighup()
+
 from NS import NS
 
 NS().run()

config

@@ -22,7 +22,7 @@ data-exclude = local/, *.pyc, .git*, README, build/, dist/, *.egg-info, *.py, MA
 
 [display]
 caption = Scrapeboard
-show-framerate = no
+show-framerate = yes 
 dimensions = 800, 450
 fullscreen = no
 attract-gif-alpha = 1.0
@@ -60,9 +60,9 @@ volume = 1.0
 [input]
 buffer = 0
 arduino-port = /dev/ttyACM0
-serial = False
-pi = True
-confirm-quit = False
+serial = no 
+pi = no 
+confirm-quit = no 
 
 [time]
 timer-max-time = 10000

gpio.py

@@ -10,6 +10,8 @@
 # inputs on the Raspberry Pi for detecting the pads in Scrapeboard.
 #
 # When run as a script, it prints connections detected between the input GPIO pins.
+#
+# Original algorithm by Dr. Clement Shimizu is translated from Arduino code in serial2.ino
 
 import time, itertools, argparse
 import RPi.GPIO as GPIO