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annotate light9/curve.py @ 687:454e381cd24f

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curvecalc refactor and module fixes Ignore-this: afb03eba0af8d2daa7f03d4cace00d3e
author drewp@bigasterisk.com
date Tue, 05 Jun 2012 21:38:16 +0000
parents 2d058d0bc1ea
children
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1 from __future__ import division
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2 import glob, time, logging
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3 from bisect import bisect_left,bisect
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4 import louie as dispatcher
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6 from bcf2000 import BCF2000
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7
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8 log = logging.getLogger()
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9 # todo: move to config, consolidate with ascoltami, musicPad, etc
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10 introPad = 4
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11 postPad = 4
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12
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13 class Curve(object):
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14 """curve does not know its name. see Curveset"""
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15 points = None # x-sorted list of (x,y)
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16 def __init__(self):
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17 self.points = []
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18 self._muted = False
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19
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20 def __repr__(self):
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21 return "<Curve (%s points)>" % len(self.points)
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23 def muted():
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24 doc = "Whether to currently send levels (boolean, obviously)"
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25 def fget(self):
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26 return self._muted
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27 def fset(self, val):
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28 self._muted = val
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29 dispatcher.send('mute changed', sender=self)
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30 return locals()
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31 muted = property(**muted())
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32
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33 def toggleMute(self):
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34 self.muted = not self.muted
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35
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36 def load(self,filename):
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37 self.points[:]=[]
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38 for line in file(filename):
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39 self.points.append(tuple([float(a) for a in line.split()]))
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40 self.points.sort()
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41 dispatcher.send("points changed",sender=self)
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42
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43 def save(self,filename):
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44 if filename.endswith('-music') or filename.endswith('_music'):
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45 print "not saving music track"
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46 return
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47 f = file(filename,'w')
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48 for p in self.points:
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49 f.write("%s %s\n" % p)
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50 f.close()
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51
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52 def eval(self, t, allow_muting=True):
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53 if self.muted and allow_muting:
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54 return 0
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55
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56 i = bisect_left(self.points,(t,None))-1
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57
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58 if self.points[i][0]>t:
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59 return self.points[i][1]
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60 if i>=len(self.points)-1:
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61 return self.points[i][1]
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62
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63 p1,p2 = self.points[i],self.points[i+1]
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64 frac = (t-p1[0])/(p2[0]-p1[0])
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65 y = p1[1]+(p2[1]-p1[1])*frac
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66 return y
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67 __call__=eval
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68
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69 def insert_pt(self,new_pt):
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70 i = bisect(self.points,(new_pt[0],None))
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71 self.points.insert(i,new_pt)
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72
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73 def indices_between(self, x1, x2, beyond=0):
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74 leftidx = max(0, bisect(self.points, (x1,None)) - beyond)
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75 rightidx = min(len(self.points),
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76 bisect(self.points, (x2,None)) + beyond)
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77 return range(leftidx, rightidx)
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78
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79 def points_between(self, x1, x2):
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80 return [self.points[i] for i in self.indices_between(x1,x2)]
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81
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82 def point_before(self, x):
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83 """(x,y) of the point left of x, or None"""
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84 leftidx = self.index_before(x)
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85 if leftidx is None:
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86 return None
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87 return self.points[leftidx]
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89 def index_before(self, x):
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90 leftidx = bisect(self.points, (x,None)) - 1
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91 if leftidx < 0:
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92 return None
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93 return leftidx
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95
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96 def slope(p1,p2):
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97 if p2[0] == p1[0]:
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98 return 0
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99 return (p2[1] - p1[1]) / (p2[0] - p1[0])
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100
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102 class Sliders(BCF2000):
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103 def __init__(self, cb, knobCallback, knobButtonCallback):
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104 BCF2000.__init__(self)
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105 self.cb = cb
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106 self.knobCallback = knobCallback
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107 self.knobButtonCallback = knobButtonCallback
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108 def valueIn(self, name, value):
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109 if name.startswith("slider"):
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110 self.cb(int(name[6:]), value / 127)
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111 if name.startswith("knob"):
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112 self.knobCallback(int(name[4:]), value / 127)
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113 if name.startswith("button-knob"):
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114 self.knobButtonCallback(int(name[11:]))
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115
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116
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117 class Curveset:
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118
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119 curves = None # curvename : curve
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120 def __init__(self, sliders=False):
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121 """sliders=True means support the hardware sliders"""
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122 self.curves = {} # name : Curve
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123 self.curveName = {} # reverse
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124 self.sliderCurve = {} # slider number (1 based) : curve name
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125 self.sliderNum = {} # reverse
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126 if sliders:
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127 self.sliders = Sliders(self.hw_slider_in, self.hw_knob_in,
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128 self.hw_knob_button)
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129 dispatcher.connect(self.curvesToSliders, "curves to sliders")
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130 dispatcher.connect(self.knobOut, "knob out")
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131 self.lastSliderTime = {} # num : time
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132 self.sliderSuppressOutputUntil = {} # num : time
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133 self.sliderIgnoreInputUntil = {}
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134 else:
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135 self.sliders = None
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136
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Drew Perttula <drewp@bigasterisk.com>
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diff changeset
137 def load(self,basename, skipMusic=False):
220
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138 """find all files that look like basename-curvename and add
516
73b181155555 curvecalc ui touchups, adjustable pane, curve draw speedup, restructured main layout code
drewp@bigasterisk.com
parents: 515
diff changeset
139 curves with their contents
73b181155555 curvecalc ui touchups, adjustable pane, curve draw speedup, restructured main layout code
drewp@bigasterisk.com
parents: 515
diff changeset
140
73b181155555 curvecalc ui touchups, adjustable pane, curve draw speedup, restructured main layout code
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diff changeset
141 This fires 'add_curve' dispatcher events to announce the new curves.
73b181155555 curvecalc ui touchups, adjustable pane, curve draw speedup, restructured main layout code
drewp@bigasterisk.com
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diff changeset
142 """
391
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David McClosky <dmcc@bigasterisk.com>
parents: 371
diff changeset
143 def sorter(name):
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David McClosky <dmcc@bigasterisk.com>
parents: 371
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144 return not name.endswith('music'), name
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David McClosky <dmcc@bigasterisk.com>
parents: 371
diff changeset
145 for filename in sorted(glob.glob("%s-*"%basename), key=sorter):
230
b7095e4a6c43 curvecalc fixes: curve paths, empty function strings
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parents: 220
diff changeset
146 curvename = filename[filename.rfind('-')+1:]
362
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147 if skipMusic and curvename in ['music', 'smooth_music']:
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148 continue
220
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149 c=Curve()
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150 c.load(filename)
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151 curvename = curvename.replace('-','_')
516
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diff changeset
152 self.add_curve(curvename,c)
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diff changeset
153
220
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154 def save(self,basename):
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155 """writes a file for each curve with a name
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156 like basename-curvename"""
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157 for name,cur in self.curves.items():
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158 cur.save("%s-%s" % (basename,name))
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
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159
220
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160 def add_curve(self,name,curve):
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161 self.curves[name] = curve
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
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diff changeset
162 self.curveName[curve] = name
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163
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parents: 361
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164 if self.sliders and name not in ['smooth_music', 'music']:
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165 num = len(self.sliderCurve) + 1
484
2cdbb459ce4f don't try to assign sliders to curves past 8
drewp@bigasterisk.com
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diff changeset
166 if num <= 8:
2cdbb459ce4f don't try to assign sliders to curves past 8
drewp@bigasterisk.com
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167 self.sliderCurve[num] = name
2cdbb459ce4f don't try to assign sliders to curves past 8
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168 self.sliderNum[name] = num
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drewp@bigasterisk.com
parents: 476
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169 else:
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drewp@bigasterisk.com
parents: 476
diff changeset
170 num = None
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
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parents: 361
diff changeset
171 else:
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diff changeset
172 num = None
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173
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174 dispatcher.send("add_curve", slider=num, knobEnabled=num is not None,
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
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diff changeset
175 sender=self,name=name)
249
f0f9e136b0cb new curves now span the full range of the song
drewp@bigasterisk.com
parents: 240
diff changeset
176
220
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177 def globalsdict(self):
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178 return self.curves.copy()
249
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diff changeset
179
f0f9e136b0cb new curves now span the full range of the song
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parents: 240
diff changeset
180 def get_time_range(self):
545
b05423b17c46 remove curvecalc's old intro/post cheats, replace with slightly better ones
drewp@bigasterisk.com
parents: 519
diff changeset
181 return 0, dispatcher.send("get max time")[0][1]
249
f0f9e136b0cb new curves now span the full range of the song
drewp@bigasterisk.com
parents: 240
diff changeset
182
220
13c089886f61 added the forgotten curve.py; mpd song path fix
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183 def new_curve(self,name):
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184 if name=="":
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185 print "no name given"
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parents:
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186 return
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drewp@bigasterisk.com
parents:
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187 while name in self.curves:
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188 name=name+"-1"
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drewp@bigasterisk.com
parents:
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189
249
f0f9e136b0cb new curves now span the full range of the song
drewp@bigasterisk.com
parents: 240
diff changeset
190 c = Curve()
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drewp@bigasterisk.com
parents: 240
diff changeset
191 s,e = self.get_time_range()
f0f9e136b0cb new curves now span the full range of the song
drewp@bigasterisk.com
parents: 240
diff changeset
192 c.points.extend([(s,0), (e,0)])
f0f9e136b0cb new curves now span the full range of the song
drewp@bigasterisk.com
parents: 240
diff changeset
193 self.add_curve(name,c)
220
13c089886f61 added the forgotten curve.py; mpd song path fix
drewp@bigasterisk.com
parents:
diff changeset
194
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
195 def hw_slider_in(self, num, value):
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Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
196 try:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
197 curve = self.curves[self.sliderCurve[num]]
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
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parents: 361
diff changeset
198 except KeyError:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
199 return
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
200
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
201 now = time.time()
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
202 if now < self.sliderIgnoreInputUntil.get(num):
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
203 return
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
204 # don't make points too fast. This is the minimum spacing
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
205 # between slider-generated points.
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
206 self.sliderIgnoreInputUntil[num] = now + .1
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
207
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
208 # don't push back on the slider for a little while, since the
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
209 # user might be trying to slowly move it. This should be
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
210 # bigger than the ignore time above.
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
211 self.sliderSuppressOutputUntil[num] = now + .2
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
212
371
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
213 dispatcher.send("set key", curve=curve, value=value)
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
214
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
215 def hw_knob_in(self, num, value):
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
216 try:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
217 curve = self.curves[self.sliderCurve[num]]
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
218 except KeyError:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
219 return
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
220 dispatcher.send("knob in", curve=curve, value=value)
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
221
371
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
222 def hw_knob_button(self, num):
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
223 try:
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
224 curve = self.curves[self.sliderCurve[num]]
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
225 except KeyError:
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
226 return
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
227
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
228 dispatcher.send("set key", curve=curve)
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
229
058f2f508504 curve: hw slider buttons make new keys for their curve
David McClosky <dmcc@bigasterisk.com>
parents: 362
diff changeset
230
362
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
231 def curvesToSliders(self, t):
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
232 now = time.time()
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
233 for num, name in self.sliderCurve.items():
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
234 if now < self.sliderSuppressOutputUntil.get(num):
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
235 continue
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
236 # self.lastSliderTime[num] = now
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
237
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
238 value = self.curves[name].eval(t)
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
239 self.sliders.valueOut("slider%s" % num, value * 127)
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
240
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
241 def knobOut(self, curve, value):
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
242 try:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
243 num = self.sliderNum[self.curveName[curve]]
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
244 except KeyError:
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
245 return
fc87327e29c4 CC now attaches to hardware sliders and knobs. tres cool. KC gets a --sliders option to enable the sliders
Drew Perttula <drewp@bigasterisk.com>
parents: 361
diff changeset
246 self.sliders.valueOut("knob%s" % num, value * 127)