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cheat: improved cheat support for games in softlist. XML cheats

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for home systems should now be stored in a subfolder (or a
  compressed archive), named after the software list, inside the
  cheatpath. this allows for loading cheats for consoles / home
  computers without interfering with arcade cheats when games have
  identical shortnames.
  For instance, loading Galaga in NES allows now to use its specific
  cheats even if a galaga.xml is available in the arcade cheat.7z
  (previously you'd get an error due to the arcade cheat referring
  to a cpu not present in the NES). [Pugsy, Fabio Priuli]
This commit is contained in:
etabeta78 2015-06-02 11:41:14 +02:00
parent 85535e83fe
commit c78e60ed46
1 changed files with 10 additions and 5 deletions
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15
src/emu/cheat.c
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@ -1134,25 +1134,30 @@ void cheat_manager::reload()
m_lastline = 0;
m_disabled = false;
// load the cheat file, MESS will load a crc32.xml ( eg. 01234567.xml )
// and MAME will load gamename.xml
// load the cheat file, if it's a system that has a software list then try softlist_name/shortname.xml first,
// if it fails to load then try to load via crc32 - basename/crc32.xml ( eg. 01234567.xml )
image_interface_iterator iter(machine().root_device());
for (device_image_interface *image = iter.first(); image != NULL; image = iter.next())
if (image->exists())
{
// if we are loading through software lists, try to load shortname.xml
// if we are loading through a software list, try to load softlist_name/shortname.xml
// this allows the coexistence of arcade cheats with cheats for home conversions which
// have the same shortname
if (image->software_entry() != NULL)
{
load_cheats(image->basename());
std::string filename;
strprintf(filename, "%s%s%s", image->software_list_name(), PATH_SEPARATOR, image->basename());
load_cheats(filename.c_str());
break;
}
// else we are loading outside the software list, try to load machine_basename/crc32.xml
else
{
UINT32 crc = image->crc();
if (crc != 0)
{
std::string filename;
strprintf(filename,"%08X", crc);
strprintf(filename, "%s%s%08X", machine().basename(), PATH_SEPARATOR, crc);
load_cheats(filename.c_str());
break;
}