1 """ What's going on?! """
3 from textwrap import wrap
6 import pygame.locals as pgl
8 from .base import BaseScene
9 from ..widgets import ImageButton
10 from ..constants import SCREEN_SIZE, FONTS, COLOURS
11 from ..loader import loader
12 from ..events import SceneChangeEvent
13 from ..transforms import Multiply, NullTransform, ColourWedges
16 class HelpItem(object):
17 FONT = loader.load_font(FONTS['sans'], size=14)
19 def __init__(self, imgparts, label, transform=NullTransform()):
20 self._img_size = int(imgparts[0])
21 self._img = loader.load_image(
22 *imgparts, transform=transform).convert_alpha()
24 maxwidth = SCREEN_SIZE[0] / 2 - self._img_size
26 wrap_width = int(2.25 * maxwidth / self.FONT.get_height())
29 self.FONT.render(text, True, COLOURS["white"])
30 for text in wrap(label, wrap_width)]
32 def render(self, surface, height, x_offset=0):
33 surface.blit(self._img, (x_offset, height), None)
35 surface.blit(t, (x_offset + self._img_size + 5, height), None)
36 height += self.FONT.get_height()
39 class HelpScene(BaseScene):
41 def enter(self, gamestate):
42 self._space = pymunk.Space()
44 font_title = loader.load_font(FONTS['bold'], size=32)
45 self._title = font_title.render(
46 "Help! What's going on?!", True, COLOURS["white"])
48 self._tools = self.create_tools(gamestate)
49 self._items = self.create_items(gamestate)
51 def create_tools(self, gamestate):
53 tools.append(ImageButton(
54 '32', 'exit.png', name='exit',
55 pos=(SCREEN_SIZE[0] - 50, SCREEN_SIZE[1] - 40)))
58 def create_items(self, gamestate):
60 HelpItem(("48", "turnip3.png"), (
61 "This is a space turnip, the most valuable vegetable in the"
62 " universe. A crucial ingredient of longevity serum, space"
63 " navigator tonic and a pink sweet that everyone loves.")),
64 HelpItem(("64", "mouldA.png"), (
65 "This is Boyd the space mould. He loves turnips. You've"
66 " disinfected your ship a thousand times, but somehow he shows"
67 " up on every planet at night to devour your crop. He is"
68 " vulnerable to light, but beware -- he builds up a resistance"
69 " if you overuse the same colour.")),
70 HelpItem(("32", "seed.png"), (
71 "This is a turnip seed. You get a limited number of these at"
72 " the start of a level. You can plant them, and you can use"
73 " them to buy lights to protect your crop. Turnips which"
74 " survive to harvest yield more seeds.")),
75 HelpItem(("48", "lamp.png"), (
76 "This is a lamp. It comes in many colours, and has some other"
77 " varying properties. It is powered by your farm's battery"
78 " during the night. The battery recharges during the day."),
79 transform=Multiply(colour=COLOURS["yellow"])),
80 HelpItem(("48", "spotlight.png"), (
81 "This is a spotlight. Unlike a lamp, it has a rotating beam."
82 " Lights can be multicoloured, like this one. You can toggle"
83 " lights on and off at night to conserve power, and toggle the"
84 " colour of multicoloured lights."),
85 transform=ColourWedges(colours=("red", "green"))),
86 HelpItem(("32", "night.png"), (
87 "When you have finished planting seeds and placing lights, you"
88 " can prepare for Boyd's night-time onslaught by clicking this"
90 HelpItem(("32", "pause.png"), (
91 "You can pause the game during the night if you need to make a"
92 " more detailed analysis of why you're losing horribly.")),
95 # Special mould assembly
97 loader.load_image("32", "mouldB.png").convert_alpha(),
100 loader.load_image("32", "eyeballA.png").convert_alpha(),
105 def render(self, surface, gamestate):
106 surface.fill(COLOURS["blue"])
108 pos = ((surface.get_width() - self._title.get_width()) / 2, 5)
109 surface.blit(self._title, pos, None)
114 for item in self._items:
115 item.render(surface, height, x_offset)
117 item._img_size, item.FONT.get_height() * len(item._text))
119 if height > SCREEN_SIZE[1]:
121 x_offset = SCREEN_SIZE[0] / 2
123 def event(self, ev, gamestate):
124 if ev.type == pgl.KEYDOWN:
125 if ev.key in (pgl.K_q, pgl.K_ESCAPE):
126 from .menu import MenuScene
127 SceneChangeEvent.post(scene=MenuScene())
128 elif ev.type == pgl.MOUSEBUTTONDOWN:
131 for tool in self._tools:
133 if tool.name == 'exit':
134 from .menu import MenuScene
135 SceneChangeEvent.post(scene=MenuScene())