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annotate pytouhou/ui/window.pyx @ 751:eab7dde1164f

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examples: Add music playback to the menu example
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 25 Feb 2020 19:37:19 +0100
parents 80687f258001
children
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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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 cimport cython
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16
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17 cimport pytouhou.lib.sdl as sdl
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20 cdef class Clock:
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21 def __init__(self, long fps=-1):
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22 self._target_fps = 0
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23 self._ref_tick = 0
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24 self._ref_frame = 0
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25 self._fps_tick = 0
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26 self._fps_frame = 0
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27 self.fps = 0
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28 self.set_target_fps(fps)
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31 cdef void set_target_fps(self, long fps) nogil:
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32 self._target_fps = fps
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33 self._ref_tick = 0
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34 self._fps_tick = 0
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35
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36
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37 @cython.cdivision(True)
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38 cdef bint tick(self) nogil except True:
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39 current = sdl.get_ticks()
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40
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41 if not self._ref_tick:
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42 self._ref_tick = current
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43 self._ref_frame = 0
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44
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45 if self._fps_frame >= (self._target_fps if self._target_fps > 0 else 60):
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46 self.fps = self._fps_frame * 1000. / (current - self._fps_tick)
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47 self._fps_tick = current
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48 self._fps_frame = 0
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49 # If we are relying on vsync, but vsync doesn't work or is higher
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50 # than 60 fps, limit ourselves to 60 fps.
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51 if self._target_fps < 0 and self.fps > 64.:
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52 self._target_fps = 60
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53
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54 self._ref_frame += 1
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55 self._fps_frame += 1
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56
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57 target_tick = self._ref_tick
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58 if self._target_fps > 0:
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59 target_tick += <unsigned long>(self._ref_frame * 1000 / self._target_fps)
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60
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61 if current <= target_tick:
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62 sdl.delay(target_tick - current)
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63 else:
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64 self._ref_tick = current
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65 self._ref_frame = 0
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68
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69 cdef class Runner:
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70 cdef bint start(self) except True:
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71 pass
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72
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73 cdef bint finish(self) except True:
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74 pass
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75
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76 cpdef bint update(self, bint render) except -1:
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77 return False
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78
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79
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80
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81 cdef class Window:
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82 def __init__(self, backend, int width=640, int height=480, long fps_limit=-1, frameskip=1):
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83 if backend is not None:
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84 self.win = backend.create_window(
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85 'PyTouhou',
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86 sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED,
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87 width, height,
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88 frameskip)
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89
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90 self.clock = Clock(fps_limit)
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91 self.frame = 0
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92 self.frameskip = frameskip
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93 self.width = width
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94 self.height = height
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95
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96
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97 cdef void set_size(self, int width, int height) nogil:
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98 self.win.set_window_size(width, height)
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99
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100
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101 cpdef set_runner(self, Runner runner=None):
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102 self.runner = runner
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103 if runner is not None:
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104 runner.start()
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105
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106
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107 cpdef run(self):
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108 try:
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109 while self.run_frame():
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110 pass
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111 finally:
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112 if self.runner is not None:
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113 self.runner.finish()
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114
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115
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116 @cython.cdivision(True)
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117 cdef bint run_frame(self) except -1:
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118 cdef bint render = (self.win is not None and
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119 (self.frameskip <= 1 or not self.frame % self.frameskip))
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120
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121 running = False
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122 if self.runner is not None:
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123 running = self.runner.update(render)
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124 if render:
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125 self.win.present()
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126
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127 self.clock.tick()
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128 self.frame += 1
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129
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130 return running
52829ebe2561 Refactor window management in its own class.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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131
52829ebe2561 Refactor window management in its own class.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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132
463
11708a1d0a1a Make GameRunner inherit from a Runner base class, to bypass Python calls in Window.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 460
diff changeset
133 cdef double get_fps(self) nogil:
533
de778a80820a Optimise Clock a bit more.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 513
diff changeset
134 return self.clock.fps
635
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
135
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
136
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
137 cdef list get_events(self):
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
138 return self.win.get_events()
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
139
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
140
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
141 cdef int get_keystate(self) nogil:
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
142 return self.win.get_keystate()
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
143
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
144
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
145 cdef void toggle_fullscreen(self) nogil:
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 617
diff changeset
146 self.win.toggle_fullscreen()