refactor: move logic in main to its on class

Tetris.py

@@ -0,0 +1,81 @@
+import sys
+import pygame
+from util.ConfigurationManager import ConfigurationManager
+from util.PieceGenerator import PieceGenerator 
+from entity.Well import Well
+
+# TODO should be a singleton?
+class Tetris:
+
+    def __init__(self):
+        self.fps = -1
+        self.tile_size = -1
+        self.screen = None
+        self.clock = None
+        self.well = None
+        self.current_piece = None
+
+    def initialize(self):
+        pygame.init()
+
+        win_width = ConfigurationManager.configuration["window"]["width"]
+        win_height = ConfigurationManager.configuration["window"]["height"]
+        win_icon = ConfigurationManager.configuration["window"]["icon"]
+        win_title = ConfigurationManager.configuration["window"]["title"]
+
+        self.fps = ConfigurationManager.configuration["engine"]["fps"]
+        self.tile_size = ConfigurationManager.configuration["engine"]["tile-size"]
+        self.screen = pygame.display.set_mode((win_width, win_height))
+        self.clock = pygame.time.Clock()
+        self.well = Well((280, 80)) # TODO calculate position later
+
+        loaded_icon = pygame.image.load(win_icon)
+        pygame.display.set_caption(win_title)
+        pygame.display.set_icon(loaded_icon)
+
+    # gets called from the games main loop
+    def update(self):
+        # TODO write not initialized exception
+
+        self.clock.tick(self.fps)
+         
+        # TODO create control utility class
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                pygame.quit()
+                sys.exit()
+            if event.type == pygame.KEYDOWN:
+                if self.current_piece:
+                    if event.key == pygame.K_SPACE:
+                        self.current_piece.rotate()
+                    if event.key == pygame.K_LEFT:
+                        self.current_piece.move((-self.tile_size, 0))
+                    if event.key == pygame.K_RIGHT:
+                        self.current_piece.move((self.tile_size, 0))
+                    if event.key == pygame.K_UP:
+                        self.current_piece.move((0, -self.tile_size))
+                    if event.key == pygame.K_DOWN:
+                        self.current_piece.move((0, self.tile_size))
+                if event.key == pygame.K_z:
+                    self.__generate_piece((300, 100))
+
+    def draw(self):
+        # TODO write not initialized exception
+
+        # draw window bg
+        bg_color = pygame.Color(ConfigurationManager.configuration["window"]["bg-color"])
+        self.screen.fill(bg_color)
+
+        # draw all game objects
+        if self.well:
+            self.well.draw(self.screen)
+        if self.current_piece:
+            self.current_piece.draw(self.screen)
+
+        # update display
+        pygame.display.update()
+
+    # TODO one line method is questionable
+    def __generate_piece(self, position):
+        self.current_piece = PieceGenerator.get_piece(position)
+