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annotate pytouhou/formats/sht.py @ 316:f0be7ea62330

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Fix a bug with ECL instruction 96, and fix overall ECL handling. The issue with instruction 96 was about death callbacks, being executed on the caller of instruction 96 instead of the dying enemies. This was introduced by changeset 5930b33a0370. Additionnaly, ECL processes are now an attribute of the Enemy, and death/timeout conditions are checked right after the ECL frame, even if the ECL script has already ended, just like in the original game.
author Thibaut Girka <thib@sitedethib.com>
date Thu, 29 Mar 2012 21:18:35 +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