created dev menu selector and test functions

pocket_friends/development/dev.py

@@ -0,0 +1,9 @@
+import os
+
+
+def reboot_system():
+    os.system('echo TEST REBOOT')
+
+
+def shutdown_system():
+    os.system('echo TEST SHUTDOWN')

pocket_friends/development/dev_menu.py

@@ -1,5 +1,12 @@
 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'
+}
 
 
 class Surface(surface.GameSurface):
@@ -9,18 +16,36 @@ class Surface(surface.GameSurface):
         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_bg.png').convert_alpha()
+        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()))
+        executing_function()
 
     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

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/game.py

@@ -3,7 +3,6 @@ import os
 import pocket_friends
 import importlib
 
-
 valid_surfaces = [
     'title',
     'egg_select',
@@ -66,7 +65,7 @@ def start_game(resolution=240):
             next_surface = surface.next_surface
             additional_args = surface.additional_args
             if next_surface not in valid_surfaces:
-                next_surface = 'dev_menu'
+                next_surface = 'error_screen'
             surface = surface_modules.get(next_surface).Surface((game_res, game_res), resources_dir,
                                                                 game_fps, **additional_args)
         pygame.display.flip()