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genmidi: Add option for note offset.

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This commit is contained in:
Simon Howard 2012-01-02 15:37:44 +00:00
parent de596007d8
commit e10f006a71
2 changed files with 12 additions and 1 deletions
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9
lumps/genmidi/config.py
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@ -45,6 +45,15 @@
#
# Instrument("file1.sbi", "file2.sbi")
#
# To tune the instruments, it's possible to apply an offset to the notes
# that are played. For example, to force all notes down by one octave:
#
# Instrument("file1.sbi", off1=-12)
#
# This can be controlled individually for double-voice instruments, eg.
#
# Instrument("file1.sbi", "file2.sbi", off1=-12, off2=+6)
#
# When an instrument is played, the note usually comes from the MIDI
# event. Some instruments (especially percussion) always play the same
# note. To specify a fixed note, do this:

4
lumps/genmidi/instrument.py
View file

@ -72,7 +72,7 @@ def load_instrument(filename):
return result
class Instrument:
def __init__(self, file1, file2=None, note=None):
def __init__(self, file1, file2=None, off1=0, off2=0, note=None):
self.instr1 = load_instrument(file1)
if file2 is not None:
@ -81,6 +81,8 @@ class Instrument:
self.instr2 = None
self.fixed_note = note
self.offset1 = off1
self.offset2 = off2
NullInstrument = Instrument("dummy.sbi")