def create_auto_conf_file(conf):
"""Create DOSBox configuration file based on environment.
Different sections are either hard-coded or generated based on
user environment (used midi port, current screen resolution, etc.).
"""
name = 'steam_dos_auto.conf'
mport = midi.detect_software_synthesiser(r'timidity|fluid')
if mport:
print_err('steam-dos: Detected', mport.name, 'on', mport.addr)
with open(name, 'w') as auto:
auto.write('# Generated by steam-dos\n')
auto.write('# This file is re-created on every run\n')
auto.write('\n')
sdl_fullresolution = settings.get_dosbox_fullresolution()
auto.write(SDL_SECTION_1.format(resolution=sdl_fullresolution))
render_scaler = settings.get_dosbox_scaler()
render_aspect = 'false'
if conf and conf.has_section('render'):
render_aspect = conf['render'].get('aspect', 'false')
auto.write(
RENDER_SECTION_1.format(scaler=render_scaler,
aspect=render_aspect))
base, irq, dma, hdma = 220, 7, 1, 5 # DOSBox defaults
print_err('steam-dos: Setting up DOSBox audio:')
print_err(SBLASTER_INFO.format(base=base, irq=irq, dma=dma))
auto.write(SBLASTER_SECTION.format(base=base, irq=irq, dma=dma,
hdma=hdma)) # yapf: disable
if mport:
print_err(MIDI_INFO)
auto.write(MIDI_SECTION.format(port=mport.addr))
else:
print_err(MIDI_INFO_NA)
if conf and conf.has_section('dos'):
dos_xms = conf['dos'].get('xms', 'true')
dos_ems = conf['dos'].get('ems', 'true')
dos_umb = conf['dos'].get('umb', 'true')
auto.write(DOS_SECTION.format(xms=dos_xms,
ems=dos_ems,
umb=dos_umb)) # yapf: disable
return name
