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netcode-revival: XNetTransport::ForceLiveFlag - force the game's live-user static
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Writes the title's internal 'live user' flag byte (0x83028851, derived from
sub_8263E788's lis -32003 / lbz -30639 = recompiler value -2097348608 ->
0x83030000 - 0x77AF) to 1 so the frontend stops refusing Xbox Live features
before it ever calls a rexglue API. Logs the first force.
This commit is contained in:
MiTHRAL 2026-08-28 14:32:13 -04:00
parent 51b8ce5ed2
commit 73d8f36af2
2 changed files with 21 additions and 0 deletions
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6
include/rex/system/xnet_transport.h
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@ -116,6 +116,12 @@ class XNetTransport {
// The local machine's virtual IP (host order) - mirrors XNetGetTitleXnAddr. // The local machine's virtual IP (host order) - mirrors XNetGetTitleXnAddr.
static uint32_t LocalVirtualIp(); static uint32_t LocalVirtualIp();
// netcode-revival: force the title's internal "live user" static flag
// (Skate 3 build) so its frontend stops refusing "Xbox Live features"
// before it ever calls a rexglue API. Called periodically by the ghost
// client. Fragile: the address is tied to this title's build.
void ForceLiveFlag();
// --- discovery (used by XNetQosLookup) ------------------------------------ // --- discovery (used by XNetQosLookup) ------------------------------------
// Send a session query for our room; the reply lands asynchronously and is // Send a session query for our room; the reply lands asynchronously and is
// surfaced by Sessions() once WaitForReply returns. // surfaced by Sessions() once WaitForReply returns.

15
src/system/xnet_transport.cpp
View file

@ -153,6 +153,21 @@ bool XNetTransport::Active() const {
return active_; return active_;
} }
void XNetTransport::ForceLiveFlag() {
// The Skate 3 frontend gates "Xbox Live features" on an internal static
// byte (the game's own "live user" flag) and refuses WITHOUT calling any
// rexglue API when it is 0. The game sets it from its sign-in manager, but
// with no real Live the flag never becomes non-zero. Force it here.
// Address from the game: sub_8263E788 does lis r11,-32003 -> r11 =
// 0x83030000 (recompiler's -2097348608) then lbz at -30639 =>
// 0x83028851. (Fragile: tied to this title's build; revival only.)
uint8_t* flag = REX_KERNEL_MEMORY()->TranslateVirtual<uint8_t*>(0x83028851);
if (flag != nullptr && *flag == 0) {
REXLOG_INFO("xnet trace: forcing game live flag 0x83028851 = 1");
*flag = 1;
}
}
void XNetTransport::SetRelay(const char* host, uint16_t port, const char* room) { void XNetTransport::SetRelay(const char* host, uint16_t port, const char* room) {
{ {
std::lock_guard<std::mutex> lock(mu_); std::lock_guard<std::mutex> lock(mu_);