�� . �� : http://kodomo.cmm.msu.su/trac/snake/browser/main.py?rev=173
�� : Unknown
�� : Sun Apr 10 19:55:52 2016
��: IBM-866

main.py �� Python Battle

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source: main.py @ 173:008be193a0a3

Revision 173:008be193a0a3, 6.2 KB checked in by Alex Martynov, 5 years ago (diff)
fixed not correct work of UI.restart() if whole game was made by steps
Property exe set to ``*

Line	��
1	import��Tkinter��as��tk
2	import��tkFileDialog��as��tkfd
3	import��engine
4	import��snake
5
6
7
8	class��UI(object):
9	�� """User Interface:
10
11	�� Atributes:
12
13	�� - 'root' - root Window game placed at
14	�� - 'engine' - engine of the game
15	�� - 'canvas' - Widget field is pictured at
16	�� - 'step_id' - current step of the game
17	�� - 'after_id' - identificator of runing game process
18	�� - 'step_legth' - length of the step (in ms)
19	�� - 'game_length' - number of the steps in one round of the game"""
20	�� def��__init__��(self):
21	�� """Create Python Battle game window.
22	�� Initialyze engige of the game."""
23	�� self.root =��tk.Tk()
24	�� self.root.title("Python Battle")
25	�� self.canvas =��tk.Canvas(self.root,��background =��"black")
26	�� self.canvas.pack(side ="top",��fill="both",��expand="yes")
27	�� self.buttons_pack(self.root).pack(side ="bottom",��fill="both",��expand="no")
28	�� self.step_id =��0
29	�� self.engine =��engine.Engine(self.canvas)
30	�� self.after_id =��None
31	�� self.step_length =��150
32	�� self.game_length =��200
33	�� return
34	��
35	�� def��buttons_pack(self,��root):
36	�� """Packing the buttons in root frame.
37	�� Definition of button functions.
38
39	�� 'Load' - ask for snake file load
40	�� 'Run' - runs the game/next round. Next round starts with snakes survived in previous
41	�� 'Step' - do the next dtep of the game
42	�� 'End' - manual end of the game
43	�� 'Restart" - restart the field with snakes of previous round"""
44	�� buttons =��tk.Frame(root)
45	�� load_1 =��tk.Button(buttons,��text="Load 1",��command=lambda:��self.load(0))
46	�� load_1.grid(row=1,��column=2,��stick="news")
47	�� load_2 =��tk.Button(buttons,��text="Load 2",��command=lambda:��self.load(1))
48	�� load_2.grid(row=2,��column=3,��stick="news")
49	�� run_b =��tk.Button(buttons,��text="Run",��command=lambda:��self.start())
50	�� run_b.grid(row=2,��column=2,��stick="news")
51	�� restart_b =��tk.Button(buttons,��text="Restart",��command=lambda:��self.restart(survived="no"))
52	�� restart_b.grid(row=1,��column=5,��stick="news")
53	�� load_3 =��tk.Button(buttons,��text="Load 3",��command=lambda:��self.load(2))
54	�� load_3.grid(row=3,��column=2,��stick="news")
55	�� load_4 =��tk.Button(buttons,��text="Load 4",��command=lambda:��self.load(3))
56	�� load_4.grid(row=2,��column=1,��stick="news")
57	�� step_b =��tk.Button(buttons,��text="Step",��command=lambda:��self.step())
58	�� step_b.grid(row=2,��column=5,��stick="news")
59	�� end_b =��tk.Button(buttons,��text="End",��command=lambda:��self.end())
60	�� end_b.grid(row=3,��column=5,��stick="news")
61	�� for��column in��range(1,��6):
62	�� buttons.grid_columnconfigure(column,��weight=1)
63	�� return��buttons
64	��
65	�� def��load��(self,��snake_number):
66	�� """Ask for snake file loading.
67	�� Initialyzing snake and draw it on the field.
68	�� Return field back to default (without snakes) after end of the game."""
69	�� if��self.step_id ==��self.game_length +��666:
70	�� self.step_id =��0
71	�� self.engine.snakes =��[None,��None,��None,��None]
72	�� pass
73	�� if��self.step_id ==��0:
74	�� file��=��tkfd.askopenfile(title="Open file")
75	�� if��file��==��None:
76	�� return
77	�� snake =��self.engine.create_snake(snake_number)
78	�� snake.load(file)
79	�� pass
80	�� self.engine.refill()
81	�� self.engine.redraw()
82	�� return
83
84	�� def��start��(self):
85	�� """Init running of the game."""
86	�� if��self.step_id ==��self.game_length +��666:
87	�� self.restart(survived="yes")
88	�� self.engine.psnakes =��self.engine.snakes[:]
89	�� self.run()
90	��
91	�� def��run��(self):
92	�� """Run the game with 'step_length' ms step
93	�� After the end of the game - restarts it with snakes survived in
94	�� previous game"""
95	�� if��self.step_id >��self.game_length:
96	�� self.end()
97	�� return
98	�� if��self.dead_snake_check()��==��False:
99	�� return
100	�� self.step_id =��self.step_id+1
101	�� self.engine.step()
102	�� self.after_id =��self.canvas.after(self.step_length,��self.run)
103	�� return
104	��
105	�� def��step��(self):
106	�� """Do the next game step"""
107	�� if��self.dead_snake_check()��==��False:
108	�� return
109	�� if��self.step_id ==��0:
110	�� self.engine.psnakes =��self.engine.snakes[:]
111	�� if��self.step_id <=��self.game_length:
112	�� if��self.after_id !=��None:
113	�� self.canvas.after_cancel(self.after_id)
114	�� pass
115	�� self.step_id =��self.step_id+1
116	�� self.engine.step()
117	�� pass
118	�� else:
119	�� self.end()
120	�� pass
121	�� return
122	��
123	�� def��dead_snake_check(self):
124	�� """Check the number of snakes alive.
125	�� End the game if alive snake number is less than two."""
126	�� dead_snakes =��0
127	�� for��snake in��self.engine.snakes:
128	�� if��snake ==��None:
129	�� dead_snakes=dead_snakes+1
130	�� pass
131	�� if��dead_snakes >=��3:
132	�� self.end()
133	�� return��False
134	��
135	�� def��restart(self,��survived):
136	�� """"Restarts snakes positions after the end of the game
137
138	�� Options:
139	�� survived = "yes" - restarts next round only with snakes survived in previous round
140	�� survived = "no" - restart next roun with all snakes played in previous round"""
141	�� if��survived ==��"yes":
142	�� snake_set =��self.engine.snakes
143	�� else:
144	�� snake_set =��self.engine.psnakes��
145	�� self.step_id =��0
146	�� for��i,��snake in��enumerate(snake_set):
147	�� if��snake_set[i]��!=��None:
148	�� self.engine.snakes[i]��=��snake
149	�� self.engine.create_snake(i,��snake)
150	�� self.engine.refill()
151	�� self.engine.redraw()
152
153	�� def��end��(self):
154	�� """End the game and raise the window that tels about it."""
155	�� if��self.after_id !=��None:
156	�� self.canvas.after_cancel(self.after_id)
157	�� pass
158	�� self.step_id =��self.game_length +��666
159	�� root =��tk.Tk()
160	�� end_label =��tk.Label(root,��text="End")
161	�� end_label.pack()
162	�� root.mainloop()
163	�� pass
164
165	if��__name__ ==��"__main__":
166	�� snake_batle =��UI()
167	�� snake_batle.root.mainloop()

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