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[Kernel/XMP] Add title-specific file I/O hooks for XMP volume sync

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Some games persist BGM volume through their own save files but never
call XMPSetVolume. Add a TitlePatch system that intercepts NtReadFile/
NtWriteFile to apply game-specific logic as well as logic to identify
the memory location that the volume data is read into and monitor that
memory location for changes, updating XMP player volume if it changes
during gameplay.

Includes patches for known games with this issue:
Dead or Alive Xtreme 2 (544307D2), PGR4 (4D5307F9) and PGR3 (4D5307D1)
This commit is contained in:
Herman S.
2026-03-08 14:42:11 +09:00
parent 54400cbc2c
commit 02fccd9113
6 changed files with 246 additions and 4 deletions
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19
src/xenia/kernel/xam/xam_input.cc
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@@ -121,11 +121,22 @@ dword_result_t XamInputGetState_entry(dword_t user_index, dword_t flags,
actual_user_index = 0;
}
X_RESULT result;
auto input_system = kernel_state()->emulator()->input_system();
auto lock = input_system->lock();
return input_system->GetState(
user_index, !flags ? X_INPUT_FLAG::X_INPUT_FLAG_GAMEPAD : flags,
input_state);
{
auto lock = input_system->lock();
result = input_system->GetState(
user_index, !flags ? X_INPUT_FLAG::X_INPUT_FLAG_GAMEPAD : flags,
input_state);
}
if (input_state && result == X_ERROR_SUCCESS) {
if (auto patch = kernel_state()->xmp_volume_patch()) {
patch->OnInputPoll(input_state->packet_number);
}
}
return result;
}
DECLARE_XAM_EXPORT2(XamInputGetState, kInput, kImplemented, kHighFrequency);