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annotate pytouhou/game/item.py @ 254:6bd565019f9a

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Preload textures to avoid slowdowns during gameplay
author Thibaut Girka <thib@sitedethib.com>
date Sun, 22 Jan 2012 18:03:47 +0100
parents 5afc75f71fed
children 3ac8b135592c
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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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
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16 from math import cos, sin, atan2, pi
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17
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18 from pytouhou.utils.interpolator import Interpolator
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19
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20
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21 class Item(object):
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22 def __init__(self, start_pos, _type, item_type, game, angle=pi/2, player=None, end_pos=None):
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23 self._game = game
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24 self._sprite = item_type.sprite
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25 self._removed = False
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26 self._type = _type
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27 self._item_type = item_type
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28
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29 self.frame = 0
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30 self.x, self.y = start_pos
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31 self.angle = angle
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32
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33 if player:
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34 self.autocollect(player)
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35 else:
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36 self.player = None
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37
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38 if not player:
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39 #TODO: find the formulae in the binary.
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40 self.speed_interpolator = None
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41 if end_pos:
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42 self.pos_interpolator = Interpolator(start_pos, 0,
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43 end_pos, 60)
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44 else:
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45 self.speed_interpolator = Interpolator((-2.,), 0,
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46 (0.,), 60)
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47
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48 self._sprite.angle = angle
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50
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51 def autocollect(self, player):
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52 self.player = player
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53 self.speed = player.sht.autocollection_speed
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54
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55
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56 def on_collect(self, player):
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57 player_state = player.state
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58 old_power = player_state.power
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59
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60 if self._type == 0 or self._type == 2: # power or big power
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61 if old_power < 128:
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62 player_state.power_bonus = 0
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63 score = 10
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64 player_state.power += (1 if self._type == 0 else 8)
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65 if player_state.power > 128:
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66 player_state.power = 128
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67 else:
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68 bonus = player_state.power_bonus + (1 if self._type == 0 else 8)
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69 if bonus > 30:
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70 bonus = 30
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71 if bonus < 9:
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72 score = (bonus + 1) * 10
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73 elif bonus < 18:
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74 score = (bonus - 8) * 100
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75 elif bonus < 30:
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76 score = (bonus - 17) * 1000
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77 elif bonus == 30:
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78 score = 51200
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79 player_state.power_bonus = bonus
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80 player_state.score += score
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81 self._game.modify_difficulty(+1)
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82
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83 elif self._type == 1: # point
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84 player_state.points += 1
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85 poc = player.sht.point_of_collection
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86 if player_state.y < poc:
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87 score = 100000
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88 self._game.modify_difficulty(+30)
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89 else:
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90 score = 0 #TODO: find the formula.
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91 self._game.modify_difficulty(+3)
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92 player_state.score += score
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93
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94 elif self._type == 3: # bomb
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95 if player_state.bombs < 8:
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96 player_state.bombs += 1
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97 self._game.modify_difficulty(+5)
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98
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99 elif self._type == 4: # full power
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100 player_state.score += 1000
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101 player_state.power = 128
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102
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103 elif self._type == 5: # 1up
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104 if player_state.lives < 8:
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105 player_state.lives += 1
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106 self._game.modify_difficulty(+200)
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107
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108 elif self._type == 6: # star
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109 player_state.score += 500
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110
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111 if old_power < 128 and player_state.power >= 128:
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112 #TODO: display “full power”.
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113 self._game.change_bullets_into_star_items()
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114
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115 self._removed = True
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116
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117
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118 def update(self):
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119 if self.frame == 60:
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120 self.speed_interpolator = Interpolator((0.,), 60,
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121 (3.,), 180)
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122
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123 if self.player is not None:
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124 self.angle = atan2(self.player.y - self.y, self.player.x - self.x)
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125 self.x += cos(self.angle) * self.speed
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126 self.y += sin(self.angle) * self.speed
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127 elif self.speed_interpolator is None:
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128 self.pos_interpolator.update(self.frame)
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129 self.x, self.y = self.pos_interpolator.values
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130 else:
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131 self.speed_interpolator.update(self.frame)
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132 self.speed, = self.speed_interpolator.values
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133 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed
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134 self.x += dx
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135 self.y += dy
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4f46717390aa Introduce items, implement ECL instruction 83
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
136
153
37df8c618c2e Add falling items.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 152
diff changeset
137 self.frame += 1
150
4f46717390aa Introduce items, implement ECL instruction 83
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
138