Mercurial > touhou
annotate pytouhou/game/bullet.py @ 119:fad7b44cebf2
Switch from pygame + PyOpenGL to pyglet
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Wed, 07 Sep 2011 18:12:24 +0200 |
| parents | 92772413b5a6 |
| children | 4300a832f033 |
| rev | line source |
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| 84 | 1 # -*- encoding: utf-8 -*- |
| 2 ## | |
| 3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com> | |
| 4 ## | |
| 5 ## This program is free software; you can redistribute it and/or modify | |
| 6 ## it under the terms of the GNU General Public License as published | |
| 7 ## by the Free Software Foundation; version 3 only. | |
| 8 ## | |
| 9 ## This program is distributed in the hope that it will be useful, | |
| 10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 ## GNU General Public License for more details. | |
| 13 ## | |
| 14 | |
| 15 from math import cos, sin, atan2, pi | |
| 16 | |
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17 from pytouhou.utils.interpolator import Interpolator |
| 84 | 18 from pytouhou.vm.anmrunner import ANMRunner |
| 19 from pytouhou.game.sprite import Sprite | |
| 20 | |
| 21 | |
| 22 class Bullet(object): | |
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23 __slots__ = ('x', 'y', 'angle', 'speed', 'frame', 'grazed', |
| 84 | 24 'flags', 'attributes', 'anim_idx', 'sprite_idx_offset', 'player', |
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25 'speed_interpolator', |
| 84 | 26 '_game_state', '_sprite', '_anmrunner', |
| 27 '_removed', '_launched') | |
| 28 | |
| 29 def __init__(self, pos, anim_idx, sprite_idx_offset, | |
| 30 angle, speed, attributes, flags, player, game_state): | |
| 31 self._game_state = game_state | |
| 32 self._sprite = None | |
| 33 self._anmrunner = None | |
| 34 self._removed = False | |
| 35 self._launched = False | |
| 36 | |
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37 self.speed_interpolator = None |
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38 self.frame = 0 |
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39 self.grazed = False |
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40 |
| 84 | 41 self.player = player |
| 42 | |
| 43 self.anim_idx = anim_idx | |
| 44 self.sprite_idx_offset = sprite_idx_offset | |
| 45 | |
| 46 #TODO | |
| 47 #if flags & (2|4|8): | |
| 106 | 48 # if flags & 2: #TODO: Huh?! |
| 49 # index = 14 | |
| 50 # elif flags & 4: | |
| 51 # index = 15 | |
| 52 # else: | |
| 53 # index = 19 | |
| 84 | 54 # self._sprite = Sprite() |
| 106 | 55 # self._anmrunner = ANMRunner(self._game_state.resource_loader.get_anm_wrapper(('etama3.anm',)), #TODO |
| 56 # index, self._sprite, 0) #TODO: offset | |
| 57 # self._anmrunner.run_frame() | |
| 84 | 58 |
| 59 self.flags = flags | |
| 60 self.attributes = list(attributes) | |
| 61 | |
| 62 self.x, self.y = pos | |
| 63 self.angle = angle | |
| 64 self.speed = speed | |
| 65 | |
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66 if flags & 1: |
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67 self.speed_interpolator = Interpolator((speed + 5.,)) |
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68 self.speed_interpolator.set_interpolation_start(0, (speed + 5.,)) |
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69 self.speed_interpolator.set_interpolation_end(16, (speed,)) |
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70 if flags & 448: |
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71 self.speed_interpolator = Interpolator((speed,)) |
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72 self.speed_interpolator.set_interpolation_start(0, (speed,)) |
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73 self.speed_interpolator.set_interpolation_end(attributes[0] - 1, (0,)) # TODO: really -1? Without, the new speed isn’t set. |
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74 |
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75 |
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76 def get_player_angle(self): |
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77 return atan2(self.player.y - self.y, self.player.x - self.x) |
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78 |
| 84 | 79 |
| 80 def is_visible(self, screen_width, screen_height): | |
| 81 if self._sprite: | |
| 82 tx, ty, tw, th = self._sprite.texcoords | |
| 83 if self._sprite.corner_relative_placement: | |
| 84 raise Exception #TODO | |
| 85 else: | |
| 86 tx, ty, tw, th = 0., 0., 0., 0. | |
| 87 | |
| 88 max_x = tw / 2. | |
| 89 max_y = th / 2. | |
| 90 min_x = -max_x | |
| 91 min_y = -max_y | |
| 92 | |
| 93 if any((min_x > screen_width - self.x, | |
| 94 max_x < -self.x, | |
| 95 min_y > screen_height - self.y, | |
| 96 max_y < -self.y)): | |
| 97 return False | |
| 98 return True | |
| 99 | |
| 100 | |
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101 def set_anim(self, anim_idx=None, sprite_idx_offset=None): |
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102 if anim_idx is not None: |
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103 self.anim_idx = anim_idx |
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104 |
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105 if sprite_idx_offset is not None: |
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106 self.sprite_idx_offset = sprite_idx_offset |
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107 |
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108 self._sprite = Sprite() |
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109 anm_wrapper = self._game_state.resource_loader.get_anm_wrapper(('etama3.anm',)) #TODO |
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110 self._anmrunner = ANMRunner(anm_wrapper, self.anim_idx, |
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111 self._sprite, self.sprite_idx_offset) |
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112 |
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113 |
| 84 | 114 def update(self): |
| 115 if not self._sprite or self._sprite._removed: | |
| 116 self._launched = True | |
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117 self.set_anim() |
| 84 | 118 |
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119 self._anmrunner.run_frame() |
| 90 | 120 self._sprite.update(angle_base=self.angle) |
| 84 | 121 |
| 122 #TODO: flags | |
| 123 x, y = self.x, self.y | |
| 124 | |
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125 if self.flags & 16: |
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126 frame, count = self.attributes[0:2] |
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127 length, angle = self.attributes[4:6] |
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128 angle = self.angle if angle < -900.0 else angle #TODO: is that right? |
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129 dx = cos(self.angle) * self.speed + cos(angle) * length |
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130 dy = sin(self.angle) * self.speed + sin(angle) * length |
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131 self.speed = (dx ** 2 + dy ** 2) ** 0.5 |
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132 self.angle = atan2(dy, dx) |
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133 if self.frame == frame: #TODO: include last frame, or not? |
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134 if count > 0: |
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135 self.attributes[1] -= 1 |
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136 self.frame = 0 |
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137 else: |
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138 self.flags ^= 16 |
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139 elif self.flags & 32: |
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140 #TODO: check |
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141 frame, count = self.attributes[0:2] |
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142 acceleration, angular_speed = self.attributes[4:6] |
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143 self.speed += acceleration |
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144 self.angle += angular_speed |
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145 if self.frame != 0 and self.frame % frame == 0: |
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146 if count > 0: |
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147 self.attributes[1] -= 1 |
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148 else: |
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149 self.flags ^= 32 |
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150 elif self.flags & 448: |
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151 #TODO: check |
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152 frame, count = self.attributes[0:2] |
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153 angle, speed = self.attributes[4:6] |
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154 if self.frame != 0 and self.frame % frame == 0: |
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155 count = count - 1 |
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156 |
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157 if self.flags & 64: |
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158 self.angle = self.angle + angle |
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159 elif self.flags & 128: |
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160 self.angle = self.get_player_angle() + angle |
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161 elif self.flags & 256: |
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162 self.angle = angle |
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163 |
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164 if count: |
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165 self.speed_interpolator.set_interpolation_start(self.frame, (speed,)) |
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166 self.speed_interpolator.set_interpolation_end(self.frame + frame - 1, (0,)) # TODO: really -1? Without, the new speed isn’t set. |
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167 else: |
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168 self.flags &= ~448 |
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169 self.speed = speed |
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170 |
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171 self.attributes[1] = count |
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172 #TODO: other flags |
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173 |
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174 if self.speed_interpolator: |
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175 self.speed_interpolator.update(self.frame) |
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176 self.speed, = self.speed_interpolator.values |
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177 |
| 84 | 178 dx, dy = cos(self.angle) * self.speed, sin(self.angle) * self.speed |
| 179 self.x, self.y = x + dx, y + dy | |
| 180 | |
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181 self.frame += 1 |
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182 |