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annotate pytouhou/game/laser.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 14c9aca8e274
children 690b5faaa0e6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2012 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 from math import cos, sin, pi
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16
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17 from pytouhou.vm.anmrunner import ANMRunner
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18 from pytouhou.game.sprite import Sprite
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19
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20
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21 STARTING, STARTED, STOPPING = range(3)
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22
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23
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24 class LaserLaunchAnim(object):
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25 def __init__(self, laser, anm_wrapper, index):
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26 self._laser = laser
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27 self.sprite = Sprite()
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28 self.sprite.anm, self.sprite.texcoords = anm_wrapper.get_sprite(index)
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29 self.sprite.blendfunc = 1
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30 self.removed = False
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31 self.x, self.y = 0, 0
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32
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33
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34 def update(self):
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35 laser = self._laser
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36 length = min(laser.end_offset - laser.start_offset, laser.max_length)
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37 offset = laser.end_offset - length
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38 dx, dy = cos(laser.angle), sin(laser.angle)
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39
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40 self.x = laser.base_pos[0] + offset * dx
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41 self.y = laser.base_pos[1] + offset * dy
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42
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43 scale = laser.width / 10. - (offset - laser.start_offset) #TODO: check
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44 self.sprite.rescale = (scale, scale)
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45 self.sprite.changed = True
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46
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47 if laser.removed or scale <= 0.:
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48 self.removed = True
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49
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50
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51
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52 class Laser(object):
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53 def __init__(self, base_pos, laser_type, sprite_idx_offset,
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54 angle, speed, start_offset, end_offset, max_length, width,
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55 start_duration, duration, stop_duration,
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56 grazing_delay, grazing_extra_duration,
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57 game):
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58 self._game = game
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59 launch_anim = LaserLaunchAnim(self, laser_type.anm_wrapper,
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60 laser_type.launch_anim_offsets[sprite_idx_offset]
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61 + laser_type.launch_sprite_idx)
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62 self._game.effects.append(launch_anim)
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63 self._laser_type = laser_type
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64 self.state = STARTING
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65 self.sprite = None
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66 self.anmrunner = None
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67 self.removed = False
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68
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69 #TODO: hitbox
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70
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71 self.frame = 0
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72 self.start_duration = start_duration
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73 self.duration = duration
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74 self.stop_duration = stop_duration
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75 self.grazing_delay = grazing_delay
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76 self.grazing_extra_duration = grazing_extra_duration
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77
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78 self.sprite_idx_offset = sprite_idx_offset
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79 self.base_pos = base_pos
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80 self.x, self.y = 0, 0
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81 self.angle = angle
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82 self.speed = speed
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83 self.start_offset = start_offset
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84 self.end_offset = end_offset
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85 self.max_length = max_length
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86 self.width = width
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87
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88 self.set_anim()
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89
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90
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91 def set_anim(self, sprite_idx_offset=None):
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92 if sprite_idx_offset is not None:
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93 self.sprite_idx_offset = sprite_idx_offset
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94
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95 lt = self._laser_type
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96 self.sprite = Sprite()
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97 self.sprite.angle = self.angle
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98 self.anmrunner = ANMRunner(lt.anm_wrapper, lt.anim_index,
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99 self.sprite, self.sprite_idx_offset)
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100 self.anmrunner.run_frame()
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101
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102
293
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103 def _check_collision(self, point, border_size):
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104 x, y = point[0] - self.base_pos[0], point[1] - self.base_pos[1]
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105 dx, dy = cos(self.angle), sin(self.angle)
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106 dx2, dy2 = -dy, dx
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107
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108 length = min(self.end_offset - self.start_offset, self.max_length)
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109 offset = self.end_offset - length - border_size / 2.
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110 end_offset = self.end_offset + border_size / 2.
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111 half_width = self.width / 4. + border_size / 2.
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112
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113 c1 = dx * offset - dx2 * half_width, dy * offset - dy2 * half_width
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114 c2 = dx * offset + dx2 * half_width, dy * offset + dy2 * half_width
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115 c3 = dx * end_offset + dx2 * half_width, dy * end_offset + dy2 * half_width
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116 vx, vy = x - c2[0], y - c2[1]
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117 v1x, v1y = c1[0] - c2[0], c1[1] - c2[1]
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118 v2x, v2y = c3[0] - c2[0], c3[1] - c2[1]
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119
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120 return (0 <= vx * v1x + vy * v1y <= v1x * v1x + v1y * v1y
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121 and 0 <= vx * v2x + vy * v2y <= v2x * v2x + v2y * v2y)
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122
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123
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124 def check_collision(self, point):
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125 if self.state != STARTED:
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126 return False
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127
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128 return self._check_collision(point, 2.5)
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129
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130
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131 def check_grazing(self, point):
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132 #TODO: quadruple check!
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133 if self.state == STOPPING and self.frame >= self.grazing_extra_duration:
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134 return False
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135 if self.state == STARTING and self.frame <= self.grazing_delay:
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136 return False
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137 if self.frame % 12 != 0:
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138 return False
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139
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140 return self._check_collision(point, 96 + 2.5)
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141
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142
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diff changeset
143 def get_bullets_pos(self):
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144 #TODO: check
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145 length = min(self.end_offset - self.start_offset, self.max_length)
278
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146 offset = self.end_offset - length
274
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147 dx, dy = cos(self.angle), sin(self.angle)
278
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148 while self.start_offset <= offset < self.end_offset:
281
13dcde917083 Fix bullet spawning along lasers.
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149 yield (self.base_pos[0] + offset * dx, self.base_pos[1] + offset * dy)
274
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150 offset += 48.
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151
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152
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153 def cancel(self):
293
ab618c2bbce8 Implement laser collision.
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154 self.grazing_extra_duration = 0
274
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155 if self.state != STOPPING:
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156 self.frame = 0
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157 self.state = STOPPING
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parents:
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158
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parents:
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159
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160 def update(self):
304
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diff changeset
161 if self.anmrunner is not None and not self.anmrunner.run_frame():
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diff changeset
162 self.anmrunner = None
274
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163
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164 self.end_offset += self.speed
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165
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166 length = min(self.end_offset - self.start_offset, self.max_length) # TODO
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parents:
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167 if self.state == STARTING:
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parents:
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168 if self.frame == self.start_duration:
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169 self.frame = 0
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170 self.state = STARTED
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parents:
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171 else:
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172 width = self.width * float(self.frame) / self.start_duration #TODO
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parents:
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173 if self.state == STARTED:
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parents:
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174 width = self.width #TODO
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parents:
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175 if self.frame == self.duration:
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176 self.frame = 0
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177 self.state = STOPPING
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parents:
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178 if self.state == STOPPING:
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parents:
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179 if self.frame == self.stop_duration:
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parents:
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180 width = 0.
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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diff changeset
181 self.removed = True
274
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parents:
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182 else:
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parents:
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183 width = self.width * (1. - float(self.frame) / self.stop_duration) #TODO
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parents:
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184
279
3539520fff93 Fix sprite rotation/translation.
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parents: 278
diff changeset
185 offset = self.end_offset - length / 2.
3539520fff93 Fix sprite rotation/translation.
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parents: 278
diff changeset
186 self.x, self.y = self.base_pos[0] + offset * cos(self.angle), self.base_pos[1] + offset * sin(self.angle)
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
187 self.sprite.width_override = width or 0.01 #TODO
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parents: 294
diff changeset
188 self.sprite.height_override = length or 0.01 #TODO
274
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189
304
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diff changeset
190 self.sprite.update_orientation(pi/2. - self.angle, True)
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diff changeset
191 self.sprite.changed = True #TODO
274
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192
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parents:
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193 self.frame += 1
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parents:
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194
294
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diff changeset
195
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diff changeset
196 class PlayerLaser(object):
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diff changeset
197 def __init__(self, laser_type, sprite_idx_offset, hitbox, damage,
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parents: 293
diff changeset
198 angle, offset, duration, origin):
304
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parents: 294
diff changeset
199 self.sprite = None
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diff changeset
200 self.anmrunner = None
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diff changeset
201 self.removed = False
294
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diff changeset
202 self._laser_type = laser_type
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parents: 293
diff changeset
203 self.origin = origin
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parents: 293
diff changeset
204
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parents: 293
diff changeset
205 self.hitbox_half_size = hitbox[0] / 2., hitbox[1] / 2.
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diff changeset
206
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diff changeset
207 self.frame = 0
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diff changeset
208 self.duration = duration
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diff changeset
209
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parents: 293
diff changeset
210 self.sprite_idx_offset = sprite_idx_offset
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diff changeset
211 self.angle = angle
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parents: 293
diff changeset
212 self.offset = offset
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parents: 293
diff changeset
213 self.damage = damage
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parents: 293
diff changeset
214
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parents: 293
diff changeset
215 self.set_anim()
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parents: 293
diff changeset
216
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parents: 293
diff changeset
217
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diff changeset
218 @property
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diff changeset
219 def x(self):
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diff changeset
220 return self.origin.x + self.offset * cos(self.angle)
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parents: 293
diff changeset
221
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
222
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parents: 293
diff changeset
223 @property
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diff changeset
224 def y(self):
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parents: 293
diff changeset
225 return self.origin.y / 2. + self.offset * sin(self.angle)
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parents: 293
diff changeset
226
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
227
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
228 def set_anim(self, sprite_idx_offset=None):
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parents: 293
diff changeset
229 if sprite_idx_offset is not None:
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parents: 293
diff changeset
230 self.sprite_idx_offset = sprite_idx_offset
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parents: 293
diff changeset
231
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
232 lt = self._laser_type
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
233 self.sprite = Sprite()
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
234 self.anmrunner = ANMRunner(lt.anm_wrapper, lt.anim_index,
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
235 self.sprite, self.sprite_idx_offset)
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
236 #self.sprite.blendfunc = 1 #XXX
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
237 self.anmrunner.run_frame()
294
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
238
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
239
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
240 def cancel(self):
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
241 self.anmrunner.interrupt(1)
294
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
242
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
243
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
244 def update(self):
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
245 if self.anmrunner is not None and not self.anmrunner.run_frame():
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
246 self.anmrunner = None
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
247 self.removed = True
294
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
248
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
249 length = self.origin.y
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
250 if self.frame == self.duration:
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
251 self.cancel()
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
252
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
253 self.sprite.height_override = length or 0.01 #TODO
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
254 self.sprite.changed = True #TODO
294
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
255
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
256 self.frame += 1
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
257