Mercurial > circuitpython-lameboy

annotate menu.py @ 14:8239a9ade11d draft default tip

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author Radomir Dopieralski <sheep-devel@sheep.art.pl>
date Fri, 23 Feb 2018 12:07:23 +0100
parents 46a5abc02fd1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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11
464aa1a9f0f8 Add a custom menu.py
Radomir Dopieralski <sheep-devel@sheep.art.pl>
parents:
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1 import sys
464aa1a9f0f8 Add a custom menu.py
Radomir Dopieralski <sheep-devel@sheep.art.pl>
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2 import os
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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3 import time
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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4 import pew
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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5
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6
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7 def scroll(pix, dx=1):
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8 x = 0
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9 while True:
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10 for x in range(x, pix.width, dx):
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11 screen.blit(pix, -x, 1)
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12 yield x
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13 x = -8
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14
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15
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16 def change(pix, next_pix, x, dy):
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17 for y in range(1, 1 + 8 * dy, dy):
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18 screen.box(0)
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19 screen.blit(pix, -x, y)
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20 screen.blit(next_pix, 0, y - 7 * dy)
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21 yield
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22
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23
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24 def hold_keys():
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25 global hold
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26
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27 try:
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28 keys = pew.keys()
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29 except pew.GameOver:
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30 keys = 0
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31 if keys:
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32 hold = 0
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33 while pew.keys() and time.monotonic() - hold < 0.25:
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34 return 0
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35 hold = time.monotonic()
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36 return keys
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37
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38
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39 def menu(entries):
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40 brightness = 0
11
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41 pew.brightness(brightness)
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42 selected = 0
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43 pix = pew.Pix.from_text(entries[selected])
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44 x = 0
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45 animation = scroll(pix)
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46 while True:
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47 keys = hold_keys()
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48 if keys & pew.K_O:
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49 return
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50 if keys & pew.K_RIGHT:
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51 brightness = min(brightness + 1, 15)
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52 pew.brightness(brightness)
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53 if keys & pew.K_LEFT:
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54 brightness = max(brightness - 1, 0)
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55 pew.brightness(brightness)
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56 if keys & pew.K_UP:
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57 selected = (selected - 1) % len(entries)
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58 next_pix = pew.Pix.from_text(entries[selected])
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59 yield from change(pix, next_pix, x, 1)
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60 hold_keys()
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61 pix = next_pix
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62 animation = scroll(pix)
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63 keys = 0
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64 if keys & pew.K_DOWN:
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65 selected = (selected + 1) % len(entries)
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66 next_pix = pew.Pix.from_text(entries[selected])
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67 yield from change(pix, next_pix, x, -1)
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68 hold_keys()
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69 pix = next_pix
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70 animation = scroll(pix)
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71 keys = 0
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72 x = next(animation)
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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73 yield selected
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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74 yield selected
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75
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76
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77 pew.init()
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78 pew.init()
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79 while True:
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80 hold = 0
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81 screen = pew.Pix()
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82 files = [name[:-3] for name in os.listdir()
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83 if name.endswith('.py') and name not in {
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84 'main.py', 'boot.py', 'menu.py', 'pew.py', 'lameboy.py'
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85 }]
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86 m = menu(files)
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87 selected = 0
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88 try:
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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89 while pew.keys():
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90 pew.tick(1/24)
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91 except pew.GameOver:
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92 pass
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93 while True:
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94 try:
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95 selected = next(m)
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96 except StopIteration:
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97 break
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98 pew.show(screen)
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99 pew.tick(1/24)
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100 screen.box(0)
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101 pew.show(screen)
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102 game = files[selected]
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103 del screen
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104 del m
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105 del files
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106 try:
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107 __import__(game)
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108 except pew.GameOver:
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Radomir Dopieralski <sheep-devel@sheep.art.pl>
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109 continue
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110 del sys.modules[game]
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111