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annotate pytouhou/formats/sht.py @ 388:ac2891afb0bb

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Make particles behave as in the original game.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 21 Oct 2012 23:02:40 +0200
parents e59bd7979ddc
children e15672733c93
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15 from struct import unpack
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16
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17 from pytouhou.utils.helpers import get_logger
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18
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19 logger = get_logger(__name__)
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20
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21
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22 class Shot(object):
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23 def __init__(self):
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24 self.interval = 0
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25 self.delay = 0
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26 self.pos = (0., 0.)
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27 self.hitbox = (0., 0.)
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28 self.angle = 0.
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29 self.speed = 0.
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30 self.damage = 0
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31 self.orb = 0
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32 self.type = 0
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33 self.sprite = 0
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34 self.unknown1 = None
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35 self.unknown2 = None
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36 self.unknown3 = None
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37 self.unknown4 = None
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38 self.unknown5 = None
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39
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40
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41 class SHT(object):
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42 def __init__(self):
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43 self.unknown1 = None
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44 self.bombs = 0.
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45 self.unknown2 = None
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46 self.hitbox = 0.
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47 self.graze_hitbox = 0.
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48 self.autocollection_speed = 0.
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49 self.item_hitbox = 0.
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50 self.percentage_of_cherry_loss_on_die = 0.
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51 self.point_of_collection = 0
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52 self.horizontal_vertical_speed = 0.
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53 self.horizontal_vertical_focused_speed = 0.
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54 self.diagonal_speed = 0.
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55 self.diagonal_focused_speed = 0.
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56 self.shots = {}
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57
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58
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59 @classmethod
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60 def read(cls, file):
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61 sht = cls()
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62
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63 data = unpack('<hhfI10f', file.read(52))
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64 (sht.unknown1, level_count, sht.bombs, sht.unknown2, sht.hitbox,
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65 sht.graze_hitbox, sht.autocollection_speed, sht.item_hitbox,
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66 sht.percentage_of_cherry_loss_on_die, sht.point_of_collection,
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67 sht.horizontal_vertical_speed, sht.horizontal_vertical_focused_speed,
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68 sht.diagonal_speed, sht.diagonal_focused_speed) = data
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69
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70 levels = []
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71 for i in xrange(level_count):
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72 offset, power = unpack('<II', file.read(8))
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73 levels.append((power, offset))
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74
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75 sht.shots = {}
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76
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77 for power, offset in levels:
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78 sht.shots[power] = []
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79 file.seek(offset)
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80
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81 while True:
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82 interval, delay = unpack('<HH', file.read(4))
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83 if interval == 0xffff and delay == 0xffff:
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84 break
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85
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86 shot = Shot()
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87
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88 shot.interval = interval
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89 shot.delay = delay
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90
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91 data = unpack('<6fHBBhh4I', file.read(48))
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92 (x, y, hitbox_x, hitbox_y, shot.angle, shot.speed,
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93 shot.damage, shot.orb, shot.shot_type, shot.sprite,
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94 shot.unknown1, shot.unknown2, shot.unknown3, shot.unknown4,
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95 shot.unknown5) = data
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96
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97 shot.pos = (x, y)
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98 shot.hitbox = (hitbox_x, hitbox_y)
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99
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100 sht.shots[power].append(shot)
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101
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102
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103 return sht
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104