Mercurial > touhou
annotate pytouhou/game/bullet.py @ 89:1513f5626656
Fix attack flags implementation
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Sun, 04 Sep 2011 09:36:51 +0200 |
| parents | 2cc60137d368 |
| children | 630e9045e851 |
| rev | line source |
|---|---|
| 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): | |
| 48 # index = {2: 11, 4: 12, 8: 13}[flags & (2|4|8)] | |
| 49 # self._sprite = Sprite() | |
| 50 # self._anmrunner = ANMRunner(self._game_state.resources.etama_anm_wrappers[0], | |
| 51 # index, self._sprite, sprite_idx_offset) | |
| 52 | |
| 53 self.flags = flags | |
| 54 self.attributes = list(attributes) | |
| 55 | |
| 56 self.x, self.y = pos | |
| 57 self.angle = angle | |
| 58 self.speed = speed | |
| 59 | |
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60 if flags & 1: |
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61 self.speed_interpolator = Interpolator((speed + 5.,)) |
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62 self.speed_interpolator.set_interpolation_start(0, (speed + 5.,)) |
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63 self.speed_interpolator.set_interpolation_end(16, (speed,)) |
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64 if flags & 448: |
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65 self.speed_interpolator = Interpolator((speed,)) |
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66 self.speed_interpolator.set_interpolation_start(0, (speed,)) |
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67 self.speed_interpolator.set_interpolation_end(attributes[0] - 1, (0,)) # TODO: really -1? Without, the new speed isn’t set. |
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68 |
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69 |
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70 def get_player_angle(self): |
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71 return atan2(self.player.y - self.y, self.player.x - self.x) |
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72 |
| 84 | 73 |
| 74 def is_visible(self, screen_width, screen_height): | |
| 75 if self._sprite: | |
| 76 tx, ty, tw, th = self._sprite.texcoords | |
| 77 if self._sprite.corner_relative_placement: | |
| 78 raise Exception #TODO | |
| 79 else: | |
| 80 tx, ty, tw, th = 0., 0., 0., 0. | |
| 81 | |
| 82 max_x = tw / 2. | |
| 83 max_y = th / 2. | |
| 84 min_x = -max_x | |
| 85 min_y = -max_y | |
| 86 | |
| 87 if any((min_x > screen_width - self.x, | |
| 88 max_x < -self.x, | |
| 89 min_y > screen_height - self.y, | |
| 90 max_y < -self.y)): | |
| 91 return False | |
| 92 return True | |
| 93 | |
| 94 | |
| 85 | 95 def get_objects_by_texture(self, objects_by_texture): |
| 96 sprite = self._sprite | |
| 97 key = sprite.anm.first_name, sprite.anm.secondary_name | |
| 98 key = (key, sprite.blendfunc) | |
| 84 | 99 if not key in objects_by_texture: |
| 100 objects_by_texture[key] = (0, [], [], []) | |
| 85 | 101 vertices = ((x + self.x, y + self.y, z) for x, y, z in sprite._vertices) |
| 84 | 102 objects_by_texture[key][1].extend(vertices) |
| 85 | 103 objects_by_texture[key][2].extend(sprite._uvs) |
| 104 objects_by_texture[key][3].extend(sprite._colors) | |
| 84 | 105 |
| 106 | |
| 107 def update(self): | |
| 108 if not self._sprite or self._sprite._removed: | |
| 109 self._launched = True | |
| 110 self._sprite = Sprite() | |
| 111 self._anmrunner = ANMRunner(self._game_state.resources.etama_anm_wrappers[0], #TODO | |
| 112 self.anim_idx, self._sprite, self.sprite_idx_offset) | |
| 113 | |
| 114 if self._anmrunner and not self._anmrunner.run_frame(): | |
| 115 self._anmrunner = None | |
| 116 | |
| 85 | 117 self._sprite.update() |
| 118 if self._sprite._changed: #TODO | |
| 119 angle = pi/2.-self.angle if self._sprite.automatic_orientation else 0. | |
| 120 self._sprite.update_vertices_uvs_colors(angle_base=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 == frame: |
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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 frame == self.frame: |
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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 |