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annotate pytouhou/formats/sht.py @ 214:136d29ffe3c2

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Add support for PCB’s SHT format.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 29 Nov 2011 23:18:07 +0100
parents
children 0595315d3880
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214
136d29ffe3c2 Add support for PCB’s SHT format.
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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.unknown1 = None
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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.unknown2 = None
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33 self.sprite = 0
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34 self.unknown3 = None
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35 self.unknown4 = None
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36 self.homing = False
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37 self.unknown5 = None
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38 self.unknown6 = 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.level_count = 9
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45 self.bombs = 0.
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46 self.unknown2 = None
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47 self.hitbox = 0.
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48 self.graze_hitbox = 0.
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49 self.autocollected_item_speed = 0.
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50 self.item_hitbox = 0.
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51 self.percentage_of_cherry_loss_on_die = 0.
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52 self.point_of_collection = 0
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53 self.horizontal_vertical_speed = 0.
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54 self.horizontal_vertical_focused_speed = 0.
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55 self.diagonal_speed = 0.
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56 self.diagonal_focused_speed = 0.
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57 self.shots = {}
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58
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59
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60 @classmethod
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61 def read(cls, file):
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62 (_, level_count, bombs, _, hitbox, graze_hitbox,
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63 autocollected_item_speed, item_hitbox, percentage_of_cherry_loss_on_die,
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64 point_of_collection, horizontal_vertical_speed,
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65 horizontal_vertical_focused_speed, diagonal_speed,
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66 diagonal_focused_speed) = unpack('<hhfI10f', file.read(52))
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67
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68 levels = []
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69 for i in xrange(level_count):
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70 offset, power = unpack('<II', file.read(8))
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71 levels.append((power, offset))
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72
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73 sht = cls()
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74 sht.shots = {}
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75
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76 for power, offset in levels:
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77 sht.shots[power] = []
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78 file.seek(offset)
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79
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80 while True:
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81 interval, unknown1 = unpack('<HH', file.read(4))
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82 if interval == 0xffff and unknown1 == 0xffff:
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83 break
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84
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85 shot = Shot()
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86
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87 data = file.read(48)
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88 (x, y, hitbox_x, hitbox_y, shot.angle, shot.speed,
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89 shot.damage, shot.orb, shot.unknown2, shot.sprite,
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90 shot.unknown3, unknown4, homing, unknown5,
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91 unknown6) = unpack('<6fHBBhh4I', data)
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92
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93 shot.pos = (x, y)
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94 shot.hitbox = (hitbox_x, hitbox_y)
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95 shot.unknown4 = bool(unknown4)
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96 shot.homing = bool(homing)
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97 shot.unknown5 = bool(unknown5)
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98 shot.unknown6 = bool(unknown6)
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99
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100 sht.shts[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