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Fix Japanese language: honor console language/region config

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XGetLanguage and the XConfig language/country reads now follow the
user_language / user_country cvars instead of hardcoding English.
XGetGameRegion follows a new game_region cvar, defaulting to auto:
it reports 0x1FF when Japanese is selected, else region-free 0xFFFF.
Set user_language = 2 for full Japanese text and voice; defaults are unchanged for English.
This commit is contained in:
Dipshet
2026-07-16 14:48:10 +02:00
parent ca90179a7a
commit e44fc2266c
1 changed files with 36 additions and 13 deletions
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thirdparty/rexglue-sdk/src/kernel/xam/xam_info.cpp
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+36 -13
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@@ -3,6 +3,7 @@
* Copyright (c) 2026 Tom Clay. All rights reserved.
*/
#include <rex/cvar.h>
#include <rex/kernel/xam/module.h>
#include <rex/kernel/xam/private.h>
#include <rex/logging.h>
@@ -22,6 +23,25 @@
#include <fmt/format.h>
#include <fmt/xchar.h>
// Console language + region reported to the game. XGetLanguage is what AC6 (and
// most titles) localise off, and XGetGameRegion drives region checks / locale.
// `user_language` is the single source of truth (defined at file scope in
// xam_user.cpp; also used by XamUser and XConfig kXConfigUserLanguage), so all
// three now agree. Defined at file scope to match the cvar storage linkage.
//
// `game_region` defaults to 0 = auto-derived from user_language. The game's
// locale routine (sub_821BABB8) only honours USER_LANGUAGE when the region is
// NTSC-J-capable ({0x101, 0x102, 0x1FC, 0x1FF}), so Japanese needs 0x1FF (this
// (USA, Japan) release's real XEX region). But an NTSC-J region also switches
// region-keyed content on its own even with English selected, so it is only
// reported when Japanese is actually requested; everything else keeps the
// long-standing region-free 0xFFFF.
REXCVAR_DECLARE(uint32_t, user_language);
REXCVAR_DEFINE_UINT32(game_region, 0u, "Kernel",
"Console region reported by XGetGameRegion (XEX_REGION mask). "
"0 = auto: 0x1FF (NTSC-U + NTSC-J Japan) when user_language is "
"Japanese, else 0xFFFF (region-free).");
namespace rex {
namespace kernel {
namespace xam {
@@ -175,7 +195,13 @@ ppc_u32_result_t XGetAVPack_entry() {
}
uint32_t xeXGetGameRegion() {
return 0xFFFFu;
const uint32_t configured = REXCVAR_GET(game_region);
if (configured != 0) {
return configured;
}
// Auto: report the disc's real NTSC-J-capable region only when Japanese is
// requested (see the cvar comment for why not unconditionally).
return REXCVAR_GET(user_language) == uint32_t(XLanguage::kJapanese) ? 0x1FFu : 0xFFFFu;
}
ppc_u32_result_t XGetGameRegion_entry() {
@@ -183,19 +209,16 @@ ppc_u32_result_t XGetGameRegion_entry() {
}
ppc_u32_result_t XGetLanguage_entry() {
auto desired_language = XLanguage::kEnglish;
// Switch the language based on game region.
// TODO(benvanik): pull from xex header.
uint32_t game_region = XEX_REGION_NTSCU;
if (game_region & XEX_REGION_NTSCU) {
desired_language = XLanguage::kEnglish;
} else if (game_region & XEX_REGION_NTSCJ) {
desired_language = XLanguage::kJapanese;
// Report the configured console language. This is the value AC6 (and most
// titles) localise off, so it must track the same user_language cvar that
// XamUser / XConfig already expose - previously it was hardcoded to English,
// which left the game's other-language voice/text (e.g. voicepack_jpn.bin)
// unreachable. Fall back to English if the cvar is left unset (0).
uint32_t language = REXCVAR_GET(user_language);
if (language == 0) {
language = uint32_t(XLanguage::kEnglish);
}
// Add more overrides?
return uint32_t(desired_language);
return language;
}
ppc_u32_result_t XamGetCurrentTitleId_entry() {