shareplay: return initialized connection information

src/libs/libNet.cpp

@@ -3834,6 +3834,27 @@ namespace LibSharePlay {
 
 LIB_VERSION("SharePlay", 1, "SharePlay", 1, 1);
 
+constexpr int SHARE_PLAY_ERROR_INVALID_ARGS        = -2129788927;
+constexpr int SHARE_PLAY_ERROR_ALREADY_INITIALIZED = -2129788925;
+constexpr int SHARE_PLAY_ERROR_NOT_INITIALIZED     = -2129788924;
+
+struct SharePlayConnectionInfoA {
+	int32_t  status;
+	int32_t  mode;
+	char     host_online_id[20];
+	char     visitor_online_id[20];
+	uint64_t host_account_id;
+	uint64_t visitor_account_id;
+	int32_t  host_user_id;
+	int32_t  visitor_user_id;
+};
+
+static_assert(sizeof(SharePlayConnectionInfoA) == 72);
+static_assert(offsetof(SharePlayConnectionInfoA, host_account_id) == 48);
+static_assert(offsetof(SharePlayConnectionInfoA, host_user_id) == 64);
+
+static bool g_share_play_initialized = false;
+
 static int KYTY_SYSV_ABI SharePlayInitialize(void* heap, size_t heap_size) {
 	PRINT_NAME();
 
@@ -3841,18 +3862,41 @@ static int KYTY_SYSV_ABI SharePlayInitialize(void* heap, size_t heap_size) {
 	     "\t heap_size = %" PRIu64 "\n",
 	     reinterpret_cast<uint64_t>(heap), static_cast<uint64_t>(heap_size));
 
+	if (g_share_play_initialized) {
+		return SHARE_PLAY_ERROR_ALREADY_INITIALIZED;
+	}
+	if (heap != nullptr && heap_size < 6u * 1024u) {
+		return SHARE_PLAY_ERROR_INVALID_ARGS;
+	}
+	g_share_play_initialized = true;
 	return 0;
 }
 
 static int KYTY_SYSV_ABI SharePlayTerminate() {
 	PRINT_NAME();
 
+	if (!g_share_play_initialized) {
+		return SHARE_PLAY_ERROR_NOT_INITIALIZED;
+	}
+	g_share_play_initialized = false;
+	return 0;
+}
+
+static int KYTY_SYSV_ABI SharePlayGetCurrentConnectionInfoA(SharePlayConnectionInfoA* info) {
+	if (!g_share_play_initialized) {
+		return SHARE_PLAY_ERROR_NOT_INITIALIZED;
+	}
+	if (info == nullptr) {
+		return SHARE_PLAY_ERROR_INVALID_ARGS;
+	}
+	*info = {.status = 0, .host_user_id = -1, .visitor_user_id = -1};
 	return 0;
 }
 
 LIB_DEFINE(InitPlatform_1_SharePlay) {
 	LIB_FUNC("isruqthpYcw", LibSharePlay::SharePlayInitialize);
 	LIB_FUNC("UaLjloJinow", LibSharePlay::SharePlayTerminate);
+	LIB_FUNC("+MCXJlWdi+s", LibSharePlay::SharePlayGetCurrentConnectionInfoA);
 }
 
 } // namespace LibSharePlay