From 413d60bf54aa333cf0a89237f818b0cc70b8cd29 Mon Sep 17 00:00:00 2001
From: Gliniak <Gliniak93@gmail.com>
Date: Sat, 22 May 2021 22:54:34 +0200
Subject: [PATCH] [XAM] Added XamUserCreateStatsEnumerator

---
 src/xenia/kernel/xam/xam_user.cc | 58 ++++++++++++++++++++++++++++----
 1 file changed, 52 insertions(+), 6 deletions(-)

diff --git a/src/xenia/kernel/xam/xam_user.cc b/src/xenia/kernel/xam/xam_user.cc
index 4ba177c38..3dd5a5d82 100644
--- a/src/xenia/kernel/xam/xam_user.cc
+++ b/src/xenia/kernel/xam/xam_user.cc
@@ -808,9 +808,9 @@ dword_result_t XamSessionRefObjByHandle_entry(dword_t handle,
 }
 DECLARE_XAM_EXPORT1(XamSessionRefObjByHandle, kUserProfiles, kStub);
 
-dword_result_t XamUserIsUnsafeProgrammingAllowed_entry(dword_t unk1, dword_t unk2,
-                                                       lpdword_t unk3, dword_t unk4,
-                                                       dword_t unk5, dword_t unk6) {
+dword_result_t XamUserIsUnsafeProgrammingAllowed_entry(
+    dword_t unk1, dword_t unk2, lpdword_t unk3, dword_t unk4, dword_t unk5,
+    dword_t unk6) {
   if (!unk3 || unk1 != 255 && unk1 >= 4) {
     return 87;
   }
@@ -819,9 +819,10 @@ dword_result_t XamUserIsUnsafeProgrammingAllowed_entry(dword_t unk1, dword_t unk
 }
 DECLARE_XAM_EXPORT1(XamUserIsUnsafeProgrammingAllowed, kUserProfiles, kStub);
 
-dword_result_t XamUserGetSubscriptionType_entry(dword_t user_index, dword_t unk2,
-                                                dword_t unk3, dword_t unk4,
-                                                dword_t unk5, dword_t unk6) {
+dword_result_t XamUserGetSubscriptionType_entry(dword_t user_index,
+                                                dword_t unk2, dword_t unk3,
+                                                dword_t unk4, dword_t unk5,
+                                                dword_t unk6) {
   if (!unk2 || !unk3 || user_index > 4) {
     return 0x80070057;
   }
@@ -830,6 +831,51 @@ dword_result_t XamUserGetSubscriptionType_entry(dword_t user_index, dword_t unk2
 }
 DECLARE_XAM_EXPORT1(XamUserGetSubscriptionType, kUserProfiles, kStub);
 
+constexpr uint8_t kStatsMaxAmount = 64;
+
+struct X_STATS_DETAILS {
+  xe::be<uint32_t> id;
+  xe::be<uint32_t> stats_amount;
+  xe::be<uint16_t> stats[kStatsMaxAmount];
+};
+static_assert_size(X_STATS_DETAILS, 8 + kStatsMaxAmount * 2);
+
+dword_result_t XamUserCreateStatsEnumerator_entry(
+    dword_t title_id, dword_t user_index, dword_t count, dword_t flags,
+    dword_t size, pointer_t<X_STATS_DETAILS> stats_ptr,
+    lpdword_t buffer_size_ptr, lpdword_t handle_ptr) {
+  if (!count || !buffer_size_ptr || !handle_ptr || !stats_ptr) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  if (user_index >= 4) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  if (!flags || flags > 0x64) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  if (!size) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  if (buffer_size_ptr) {
+    *buffer_size_ptr = sizeof(X_STATS_DETAILS) * stats_ptr->stats_amount;
+  }
+
+  auto e = object_ref<XStaticUntypedEnumerator>(
+      new XStaticUntypedEnumerator(kernel_state(), count, flags));
+  const X_STATUS result = e->Initialize(user_index, 0xFB, 0xB0023, 0xB0024, 0);
+  if (XFAILED(result)) {
+    return result;
+  }
+
+  *handle_ptr = e->handle();
+  return X_ERROR_SUCCESS;
+}
+DECLARE_XAM_EXPORT1(XamUserCreateStatsEnumerator, kUserProfiles, kSketchy);
+
 }  // namespace xam
 }  // namespace kernel
 }  // namespace xe