added black screen to dev menu

pocket_friends/_development/_dev.py

@@ -0,0 +1,22 @@
+import os
+import sys
+
+import pygame
+
+
+def reboot_system():
+    os.system('sudo reboot')
+
+
+def shutdown_system():
+    os.system('sudo shutdown now')
+
+def update():
+    os.system('bash ~/update.sh')
+    sys.exit(1)
+
+def restart_app():
+    sys.exit(1)
+
+def show_black():
+    return 'show_black'

pocket_friends/_development/_sprites.py

@@ -0,0 +1,34 @@
+import pygame
+
+
+class FunctionSelector:
+
+    def __init__(self, resources_dir, game_res, functions):
+        self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
+        self.functions = functions
+        self.max_lines = 6  # Max number of lines to be shown on screen at a time.
+        self.offset = 0
+        self.game_res = game_res
+
+        self.selected = 0
+        self.max_index = len(self.functions) - 1
+        self.selector = pygame.image.load(resources_dir + '/images/dev_menu/selector.png').convert_alpha()
+
+    def draw(self, surface):
+        for i in range(self.max_index + 1):
+            text = self.font.render(self.functions[i], False, (0, 0, 0))
+            surface.blit(text, (8, (-3 + (i * 6))))
+            surface.blit(self.selector, (0, (self.selected * 6)))
+
+    def scroll_down(self):
+        self.selected += 1
+        if self.selected > self.max_index:
+            self.selected = self.max_index
+
+    def scroll_up(self):
+        self.selected -= 1
+        if self.selected < 0:
+            self.selected = 0
+
+    def get_function(self):
+        return self.functions[self.selected]

pocket_friends/_development/surfaces/_black_screen.py

@@ -0,0 +1,33 @@
+import pygame
+from pocket_friends.elements import surface
+
+
+class Surface(surface.GameSurface):
+    def __init__(self, game_res, resources_dir, game_fps, **kwargs):
+        super().__init__(game_res, resources_dir, game_fps)
+        self.game_fps = game_fps
+        self.frames = -3 * game_fps
+        self.delay = 1
+        self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
+        self.title = pygame.image.load(resources_dir + '/images/debug/invalid.png').convert_alpha()
+        self.next_surface = 'title'
+
+    def update(self):
+        self.preprocess()
+        self.fill((0, 0, 0))
+
+        text_1 = self.font.render('Press B', False, (64, 64, 64))
+        text_2 = self.font.render('to return', False, (64, 64, 64))
+
+        if self.frames < 0:
+            self.blit(text_1, (3, 20))
+            self.blit(text_2, (3, 40))
+
+        self.frames += 1
+        if self.frames > self.game_fps:
+            self.frames = 0
+
+        for event in pygame.event.get():
+            if event.type == pygame.KEYDOWN:
+                if event.key == pygame.K_b:
+                    self.running = False

pocket_friends/_development/surfaces/_dev_menu.py

@@ -0,0 +1,57 @@
+import pygame
+from pocket_friends.elements import surface
+from pocket_friends._development._sprites import FunctionSelector
+import pocket_friends._development._dev as dev
+
+dev_functions = {
+    'Restart': 'reboot_system',
+    'Shutdown': 'shutdown_system',
+    'Update': 'update',
+    'Re-open App': 'restart_app',
+    'Black screen': 'show_black'
+}
+
+
+class Surface(surface.GameSurface):
+    def __init__(self, game_res, resources_dir, game_fps, **kwargs):
+        super().__init__(game_res, resources_dir, game_fps)
+        self.frames = 1
+        self.game_fps = game_fps
+        self.delay = 1
+        self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
+        self.bg = pygame.image.load(self.resource_dir + '/images/dev_menu/dev_bg.png').convert_alpha()
+
+        functions = []
+        for key in dev_functions.keys():
+            functions.append(key)
+
+        self.function_selector = FunctionSelector(resources_dir, game_res, functions)
+
+    def execute(self):
+
+        executing_function = getattr(dev, dev_functions.get(self.function_selector.get_function()))
+        output = executing_function()
+        if output == 'show_black':
+            self.next_surface = '_black_screen'
+            self.running = False
+
+    def update(self):
+        self.preprocess()
+
+        text = self.font.render('f: {0}'.format(self.frames), False, (128, 128, 128))
+        self.blit(text, (3, 68))
+        self.function_selector.draw(self)
+
+        self.frames += 1
+        self.frames %= self.game_fps
+
+        for event in pygame.event.get():
+            if event.type == pygame.KEYDOWN:
+                if event.key == pygame.K_UP:
+                    self.function_selector.scroll_up()
+                if event.key == pygame.K_DOWN:
+                    self.function_selector.scroll_down()
+                if event.key == pygame.K_a:
+                    self.execute()
+                if event.key == pygame.K_b:
+                    self.running = False