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annotate pytouhou/game/laser.pyx @ 564:a0fa01cd9f70

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Make Enemy.get_angle able to target any Element, not only Player.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 12 Jun 2014 18:41:01 +0200
parents e35bef07290d
children 3c2f96f1d715
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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 libc.math cimport cos, sin, M_PI as pi
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16
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17 from pytouhou.game.game cimport Game
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e35bef07290d Always import runners from pytouhou.vm, to allow their replacement.
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18 from pytouhou.vm import ANMRunner
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20
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21 cdef class LaserLaunchAnim(Element):
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22 def __init__(self, Laser laser, anm, unsigned long index):
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23 Element.__init__(self, (0, 0))
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24
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25 self._laser = laser
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26 self.sprite = Sprite()
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27 self.sprite.anm = anm
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28 self.sprite.texcoords = anm.sprites[index]
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29 self.sprite.blendfunc = 1
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30
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31
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32 cpdef update(self):
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33 laser = self._laser
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34 length = <double>min(laser.end_offset - laser.start_offset, laser.max_length)
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35 offset = laser.end_offset - length
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36 dx, dy = cos(laser.angle), sin(laser.angle)
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37
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38 self.x = laser.base_pos[0] + offset * dx
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39 self.y = laser.base_pos[1] + offset * dy
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40
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41 scale = laser.width / 10. - (offset - laser.start_offset) #TODO: check
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db28538cd399 Use Sprite C arrays instead of their tuple representation where it makes sense.
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42 self.sprite._rescale[:] = [scale, scale]
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43 self.sprite.changed = True
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44
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45 if laser.removed or scale <= 0.:
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46 self.removed = True
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47
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48
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49
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50 cdef class Laser(Element):
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51 def __init__(self, tuple base_pos, LaserType laser_type,
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52 unsigned long sprite_idx_offset, double angle, double speed,
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53 double start_offset, double end_offset, double max_length,
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54 double width, unsigned long start_duration,
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55 unsigned long duration, unsigned long stop_duration,
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56 unsigned long grazing_delay,
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57 unsigned long grazing_extra_duration, Game game):
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58 Element.__init__(self, (0, 0))
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59
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60 launch_anim = LaserLaunchAnim(self, laser_type.anm,
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61 laser_type.launch_anim_offsets[sprite_idx_offset]
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62 + laser_type.launch_sprite_idx)
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63 game.effects.append(launch_anim)
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64 self._laser_type = laser_type
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65 self.state = STARTING
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66
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67 #TODO: hitbox
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68
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69 self.frame = 0
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70 self.start_duration = start_duration
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71 self.duration = duration
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72 self.stop_duration = stop_duration
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73 self.grazing_delay = grazing_delay
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74 self.grazing_extra_duration = grazing_extra_duration
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75
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76 self.sprite_idx_offset = sprite_idx_offset
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77 self.set_base_pos(base_pos[0], base_pos[1])
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78 self.angle = angle
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79 self.speed = speed
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80 self.start_offset = start_offset
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81 self.end_offset = end_offset
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82 self.max_length = max_length
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83 self.width = width
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84
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85 self.set_anim()
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86
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87
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88 cdef void set_anim(self, long sprite_idx_offset=-1):
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89 if sprite_idx_offset >= 0:
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90 self.sprite_idx_offset = sprite_idx_offset
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91
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92 lt = self._laser_type
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93 self.sprite = Sprite()
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94 self.sprite.angle = self.angle
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95 self.anmrunner = ANMRunner(lt.anm, lt.anim_index,
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96 self.sprite, self.sprite_idx_offset)
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97
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98
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99 cpdef set_base_pos(self, double x, double y):
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100 self.base_pos[:] = [x, y]
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101
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102
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103 cdef bint _check_collision(self, double point[2], double border_size):
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104 cdef double c1[2]
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105 cdef double c2[2]
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106 cdef double c3[2]
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107
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108 x, y = point[0] - self.base_pos[0], point[1] - self.base_pos[1]
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109 dx, dy = cos(self.angle), sin(self.angle)
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110 dx2, dy2 = -dy, dx
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111
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112 length = <double>min(self.end_offset - self.start_offset, self.max_length)
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113 offset = self.end_offset - length - border_size / 2.
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114 end_offset = self.end_offset + border_size / 2.
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115 half_width = self.width / 4. + border_size / 2.
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116
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117 c1[:] = [dx * offset - dx2 * half_width, dy * offset - dy2 * half_width]
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118 c2[:] = [dx * offset + dx2 * half_width, dy * offset + dy2 * half_width]
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119 c3[:] = [dx * end_offset + dx2 * half_width, dy * end_offset + dy2 * half_width]
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120 vx, vy = x - c2[0], y - c2[1]
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121 v1x, v1y = c1[0] - c2[0], c1[1] - c2[1]
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122 v2x, v2y = c3[0] - c2[0], c3[1] - c2[1]
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123
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124 return (0 <= vx * v1x + vy * v1y <= v1x * v1x + v1y * v1y
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125 and 0 <= vx * v2x + vy * v2y <= v2x * v2x + v2y * v2y)
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126
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127
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128 cdef bint check_collision(self, double point[2]):
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129 if self.state != STARTED:
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130 return False
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131
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132 return self._check_collision(point, 2.5)
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133
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134
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135 cdef bint check_grazing(self, double point[2]):
293
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diff changeset
136 #TODO: quadruple check!
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diff changeset
137 if self.state == STOPPING and self.frame >= self.grazing_extra_duration:
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138 return False
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139 if self.state == STARTING and self.frame <= self.grazing_delay:
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140 return False
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141 if self.frame % 12 != 0:
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142 return False
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143
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144 return self._check_collision(point, 96 + 2.5)
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145
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146
274
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147 def get_bullets_pos(self):
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148 #TODO: check
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diff changeset
149 length = <double>min(self.end_offset - self.start_offset, self.max_length)
278
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diff changeset
150 offset = self.end_offset - length
274
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151 dx, dy = cos(self.angle), sin(self.angle)
278
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diff changeset
152 while self.start_offset <= offset < self.end_offset:
281
13dcde917083 Fix bullet spawning along lasers.
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parents: 279
diff changeset
153 yield (self.base_pos[0] + offset * dx, self.base_pos[1] + offset * dy)
274
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154 offset += 48.
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155
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156
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diff changeset
157 cpdef cancel(self):
293
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diff changeset
158 self.grazing_extra_duration = 0
274
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parents:
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159 if self.state != STOPPING:
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parents:
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160 self.frame = 0
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161 self.state = STOPPING
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162
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parents:
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163
471
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parents: 467
diff changeset
164 cpdef update(self):
304
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diff changeset
165 if self.anmrunner is not None and not self.anmrunner.run_frame():
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diff changeset
166 self.anmrunner = None
274
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167
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168 self.end_offset += self.speed
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169
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parents: 467
diff changeset
170 length = <double>min(self.end_offset - self.start_offset, self.max_length) # TODO
491
2276229282fd Fix gcc’s warnings with -Wall -Wextra.
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parents: 472
diff changeset
171 width = 0.
274
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172 if self.state == STARTING:
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parents:
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173 if self.frame == self.start_duration:
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parents:
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174 self.frame = 0
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175 self.state = STARTED
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parents:
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176 else:
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177 width = self.width * float(self.frame) / self.start_duration #TODO
491
2276229282fd Fix gcc’s warnings with -Wall -Wextra.
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parents: 472
diff changeset
178 elif self.state == STARTED:
274
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179 width = self.width #TODO
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180 if self.frame == self.duration:
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181 self.frame = 0
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182 self.state = STOPPING
491
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parents: 472
diff changeset
183 elif self.state == STOPPING:
274
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parents:
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184 if self.frame == self.stop_duration:
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
185 self.removed = True
274
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186 else:
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parents:
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187 width = self.width * (1. - float(self.frame) / self.stop_duration) #TODO
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parents:
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188
279
3539520fff93 Fix sprite rotation/translation.
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parents: 278
diff changeset
189 offset = self.end_offset - length / 2.
471
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
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parents: 467
diff changeset
190 self.x = self.base_pos[0] + offset * cos(self.angle)
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parents: 467
diff changeset
191 self.y = self.base_pos[1] + offset * sin(self.angle)
467
5bb7d2c0ff46 Fix lasers sprite handling
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parents: 440
diff changeset
192 self.sprite.visible = (width > 0 and length > 0)
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parents: 440
diff changeset
193 self.sprite.width_override = width
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parents: 440
diff changeset
194 self.sprite.height_override = length
274
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parents:
diff changeset
195
304
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parents: 294
diff changeset
196 self.sprite.update_orientation(pi/2. - self.angle, True)
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diff changeset
197 self.sprite.changed = True #TODO
274
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198
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parents:
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199 self.frame += 1
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parents:
diff changeset
200
294
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parents: 293
diff changeset
201
471
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parents: 467
diff changeset
202 cdef class PlayerLaser(Element):
472
8038f1957b71 Type bullettype, itemtype and lasertype a bit.
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parents: 471
diff changeset
203 def __init__(self, LaserType laser_type, unsigned long sprite_idx_offset,
471
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
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parents: 467
diff changeset
204 tuple hitbox, unsigned long damage, double angle,
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
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parents: 467
diff changeset
205 double offset, unsigned long duration, Element origin):
440
b9d2db93972f Add a base Element class for every object in pytouhou.game.
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parents: 433
diff changeset
206 Element.__init__(self)
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parents: 433
diff changeset
207
294
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diff changeset
208 self._laser_type = laser_type
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parents: 293
diff changeset
209 self.origin = origin
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parents: 293
diff changeset
210
471
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parents: 467
diff changeset
211 self.hitbox[:] = [hitbox[0], hitbox[1]]
294
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parents: 293
diff changeset
212
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parents: 293
diff changeset
213 self.frame = 0
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parents: 293
diff changeset
214 self.duration = duration
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parents: 293
diff changeset
215
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parents: 293
diff changeset
216 self.sprite_idx_offset = sprite_idx_offset
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parents: 293
diff changeset
217 self.angle = angle
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parents: 293
diff changeset
218 self.offset = offset
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
219 self.damage = damage
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parents: 293
diff changeset
220
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parents: 293
diff changeset
221 self.set_anim()
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parents: 293
diff changeset
222
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
223
471
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parents: 467
diff changeset
224 cdef void set_anim(self, long sprite_idx_offset=-1):
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parents: 467
diff changeset
225 if sprite_idx_offset >= 0:
294
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
226 self.sprite_idx_offset = sprite_idx_offset
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parents: 293
diff changeset
227
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
228 lt = self._laser_type
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
229 self.sprite = Sprite()
430
c9433188ffdb Remove AnmWrapper, since ANMs are lists of entries now.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 390
diff changeset
230 self.anmrunner = ANMRunner(lt.anm, lt.anim_index,
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
231 self.sprite, self.sprite_idx_offset)
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
232 #self.sprite.blendfunc = 1 #XXX
294
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
233
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
234
471
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 467
diff changeset
235 cdef void cancel(self):
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
236 self.anmrunner.interrupt(1)
294
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parents: 293
diff changeset
237
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
238
471
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 467
diff changeset
239 cdef void update(self):
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
240 if self.anmrunner is not None and not self.anmrunner.run_frame():
f3099ebf4f61 Update attribute names to reflect the actual interface.
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parents: 294
diff changeset
241 self.anmrunner = None
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
242 self.removed = True
294
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parents: 293
diff changeset
243
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
244 length = self.origin.y
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
245 if self.frame == self.duration:
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
246 self.cancel()
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
247
467
5bb7d2c0ff46 Fix lasers sprite handling
Thibaut Girka <thib@sitedethib.com>
parents: 440
diff changeset
248 self.sprite.visible = (length > 0)
5bb7d2c0ff46 Fix lasers sprite handling
Thibaut Girka <thib@sitedethib.com>
parents: 440
diff changeset
249 self.sprite.height_override = length
304
f3099ebf4f61 Update attribute names to reflect the actual interface.
Thibaut Girka <thib@sitedethib.com>
parents: 294
diff changeset
250 self.sprite.changed = True #TODO
294
94c636f8f863 Add player lasers for MarisaB.
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parents: 293
diff changeset
251
471
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 467
diff changeset
252 self.x = self.origin.x + self.offset * cos(self.angle)
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 467
diff changeset
253 self.y = self.origin.y / 2. + self.offset * sin(self.angle)
06f0eeb519bb Make Laser and Orb extension types, and use that where possible.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 467
diff changeset
254
294
94c636f8f863 Add player lasers for MarisaB.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 293
diff changeset
255 self.frame += 1