mirror of
https://github.com/microtherion/VocalEasel.git
synced 2024-12-22 19:23:59 +00:00
104 lines
2.4 KiB
Python
104 lines
2.4 KiB
Python
|
|
# alloc.py
|
|
|
|
"""
|
|
This module is an integeral part of the program
|
|
MMA - Musical Midi Accompaniment.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
Bob van der Poel <bvdp@xplornet.com>
|
|
|
|
"""
|
|
|
|
import MMA.patChord
|
|
import MMA.patWalk
|
|
import MMA.patBass
|
|
import MMA.patDrum
|
|
import MMA.patScale
|
|
import MMA.patArpeggio
|
|
import MMA.patSolo
|
|
import gbl
|
|
from MMA.common import *
|
|
|
|
|
|
trkClasses = {
|
|
'BASS' : MMA.patBass.Bass,
|
|
'CHORD' : MMA.patChord.Chord,
|
|
'ARPEGGIO' : MMA.patArpeggio.Arpeggio,
|
|
'SCALE' : MMA.patScale.Scale,
|
|
'DRUM' : MMA.patDrum.Drum,
|
|
'WALK' : MMA.patWalk.Walk,
|
|
'MELODY' : MMA.patSolo.Melody,
|
|
'SOLO' : MMA.patSolo.Solo }
|
|
|
|
|
|
def trackAlloc(name, err):
|
|
""" Check existence of track and create if possible.
|
|
|
|
If 'err' is set, the function will 'error out' if
|
|
it's not possible to create the track. Otherwise,
|
|
it is content to return without creation taking place.
|
|
"""
|
|
|
|
# If the track already exists, just return
|
|
|
|
if name in gbl.tnames:
|
|
return
|
|
|
|
# Get the trackname. Can be just a type, or type-name.
|
|
|
|
if '-' in name:
|
|
base, ext = name.split('-',1)
|
|
else:
|
|
ext = None
|
|
base = name
|
|
|
|
|
|
""" See if there is a track class 'base'. If there is, then
|
|
'f' points to the initialization function for the class.
|
|
If not, we either error (err==1) or return (err==0).
|
|
"""
|
|
|
|
if trkClasses.has_key(base):
|
|
f = trkClasses[base]
|
|
else:
|
|
if err:
|
|
error("There is no track class '%s' for trackname '%s'" % (base, name) )
|
|
else:
|
|
return
|
|
|
|
# Now attempt to allocate the track
|
|
|
|
gbl.tnames[name] = newtk = f(name)
|
|
|
|
# Set the sequence size of new track
|
|
|
|
newtk.setSeqSize()
|
|
|
|
# Update current grooves to reflect new track.
|
|
|
|
for slot in gbl.settingsGroove.keys():
|
|
newtk.saveGroove(slot)
|
|
|
|
|
|
if gbl.debug:
|
|
print "Creating new track", name
|
|
|
|
return
|
|
|
|
|
|
|