Mercurial > rinkhals
annotate gamelib/helpscreen.py @ 470:fbbd39cfc975
Alter day counter logic a bit to cater for the case when it stops being the last day.
author | Simon Cross <hodgestar@gmail.com> |
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date | Tue, 24 Nov 2009 22:21:06 +0000 |
parents | 263dea6d226b |
children | c34d53edfa12 |
rev | line source |
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179 | 1 """Help screen.""" |
2 | |
3 from pgu import gui | |
4 import pygame | |
5 import constants | |
6 import engine | |
7 import imagecache | |
8 | |
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9 HELP = [ |
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10 """Welcome to %s |
179 | 11 |
12 Introduction: | |
13 | |
14 The aim of the game is to make as much money as possible from your chicken | |
15 farm. The problem is the foxes, which want to eat your chickens. Since hiring | |
16 guards is both too expensive and unreliable, the obvious solution is to help | |
17 the chickens defend themselves. | |
18 | |
19 Game mechanics: | |
20 | |
21 You lose if you end a night with no chickens left. | |
22 | |
23 Chickens only lay eggs in henhouses, and must stay on the egg for 2 days to | |
230
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24 hatch a new chicken. Chickens that hatch in already full henhouses are |
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25 moved to just outside. If there is no space outside, they die immediately |
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26 from overcrowding. |
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27 """ % constants.NAME, |
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28 |
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29 """Second Page of Help Text. |
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30 """ |
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31 ] |
179 | 32 |
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33 LEVEL_TEXT="""The currently selected level is %(name)s |
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34 |
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35 The goal is: |
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36 %(goal)s |
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37 """ |
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38 |
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39 def make_help_screen(level): |
179 | 40 """Create a main menu""" |
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41 help_screen = HelpScreen(level, width=600) |
179 | 42 |
43 c = HelpContainer(align=0, valign=0) | |
44 c.add(help_screen, 0, 0) | |
45 | |
46 return c | |
47 | |
48 class HelpContainer(gui.Container): | |
49 def paint(self, s): | |
50 pygame.display.set_caption('Instructions') | |
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51 splash = imagecache.load_image("images/splash.png", ["lighten_most"]) |
179 | 52 pygame.display.get_surface().blit(splash, (0, 0)) |
53 gui.Container.paint(self, s) | |
54 | |
55 class HelpScreen(gui.Document): | |
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56 def __init__(self, level, **params): |
179 | 57 gui.Document.__init__(self, **params) |
58 | |
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59 self.cur_page = 0 |
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60 |
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61 self.level = level |
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62 |
179 | 63 def done_pressed(): |
64 pygame.event.post(engine.GO_MAIN_MENU) | |
65 | |
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66 def next_page(): |
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67 self.cur_page += 1 |
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68 if self.cur_page >= len(HELP): |
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69 self.cur_page = 0 |
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70 self.redraw() |
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71 |
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72 def prev_page(): |
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73 self.cur_page -= 1 |
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74 if self.cur_page < 0: |
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75 self.cur_page = len(HELP) - 1 |
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76 self.redraw() |
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77 |
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78 self.done_button = gui.Button("Return to Main Menu") |
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79 self.done_button.connect(gui.CLICK, done_pressed) |
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80 |
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81 self.prev_button = gui.Button("Prev Page") |
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82 self.prev_button.connect(gui.CLICK, prev_page) |
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83 |
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84 self.next_button = gui.Button("Next Page") |
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85 self.next_button.connect(gui.CLICK, next_page) |
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86 |
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87 self.redraw() |
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88 |
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89 def redraw(self): |
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90 for widget in self.widgets[:]: |
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91 self.remove(widget) |
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92 self.layout._widgets = [] |
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93 self.layout.init() |
179 | 94 |
95 space = self.style.font.size(" ") | |
96 | |
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97 full_text = HELP[self.cur_page] + '\n\n' + LEVEL_TEXT % { |
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98 'name' : self.level.level_name, |
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99 'goal' : self.level.goal |
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100 } |
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101 |
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102 for paragraph in full_text.split('\n\n'): |
179 | 103 self.block(align=-1) |
104 for word in paragraph.split(): | |
105 self.add(gui.Label(word)) | |
106 self.space(space) | |
107 self.br(space[1]) | |
108 self.br(space[1]) | |
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109 self.add(self.prev_button, align=-1) |
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110 self.add(self.next_button, align=1) |
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111 self.add(self.done_button, align=0) |