From ed76c7131903f180ebc2f49c148a8a0339bf05fa Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Wed, 22 Jan 2020 23:19:25 -0500
Subject: service: time: Implement ToPosixTimeWithMyRule.

- Used by Pokemon Mystery Dungeon.
---
 src/core/hle/service/time/time_zone_manager.cpp |  9 +++++++++
 src/core/hle/service/time/time_zone_manager.h   |  1 +
 src/core/hle/service/time/time_zone_service.cpp | 24 +++++++++++++++++++++++-
 src/core/hle/service/time/time_zone_service.h   |  1 +
 4 files changed, 34 insertions(+), 1 deletion(-)

(limited to 'src/core/hle/service/time')

diff --git a/src/core/hle/service/time/time_zone_manager.cpp b/src/core/hle/service/time/time_zone_manager.cpp
index 717e81818..07b553a43 100644
--- a/src/core/hle/service/time/time_zone_manager.cpp
+++ b/src/core/hle/service/time/time_zone_manager.cpp
@@ -1019,6 +1019,15 @@ ResultCode TimeZoneManager::ToPosixTime(const TimeZoneRule& rules,
     return RESULT_SUCCESS;
 }
 
+ResultCode TimeZoneManager::ToPosixTimeWithMyRule(const CalendarTime& calendar_time,
+                                                  s64& posix_time) const {
+    if (is_initialized) {
+        return ToPosixTime(time_zone_rule, calendar_time, posix_time);
+    }
+    posix_time = 0;
+    return ERROR_UNINITIALIZED_CLOCK;
+}
+
 ResultCode TimeZoneManager::GetDeviceLocationName(LocationName& value) const {
     if (!is_initialized) {
         return ERROR_UNINITIALIZED_CLOCK;
diff --git a/src/core/hle/service/time/time_zone_manager.h b/src/core/hle/service/time/time_zone_manager.h
index 7c6f975ae..aaab0a1e0 100644
--- a/src/core/hle/service/time/time_zone_manager.h
+++ b/src/core/hle/service/time/time_zone_manager.h
@@ -39,6 +39,7 @@ public:
     ResultCode ParseTimeZoneRuleBinary(TimeZoneRule& rules, FileSys::VirtualFile& vfs_file) const;
     ResultCode ToPosixTime(const TimeZoneRule& rules, const CalendarTime& calendar_time,
                            s64& posix_time) const;
+    ResultCode ToPosixTimeWithMyRule(const CalendarTime& calendar_time, s64& posix_time) const;
 
 private:
     bool is_initialized{};
diff --git a/src/core/hle/service/time/time_zone_service.cpp b/src/core/hle/service/time/time_zone_service.cpp
index 1566e778e..db57ae069 100644
--- a/src/core/hle/service/time/time_zone_service.cpp
+++ b/src/core/hle/service/time/time_zone_service.cpp
@@ -22,7 +22,7 @@ ITimeZoneService ::ITimeZoneService(TimeZone::TimeZoneContentManager& time_zone_
         {100, &ITimeZoneService::ToCalendarTime, "ToCalendarTime"},
         {101, &ITimeZoneService::ToCalendarTimeWithMyRule, "ToCalendarTimeWithMyRule"},
         {201, &ITimeZoneService::ToPosixTime, "ToPosixTime"},
-        {202, nullptr, "ToPosixTimeWithMyRule"},
+        {202, &ITimeZoneService::ToPosixTimeWithMyRule, "ToPosixTimeWithMyRule"},
     };
     RegisterHandlers(functions);
 }
@@ -145,4 +145,26 @@ void ITimeZoneService::ToPosixTime(Kernel::HLERequestContext& ctx) {
     ctx.WriteBuffer(&posix_time, sizeof(s64));
 }
 
+void ITimeZoneService::ToPosixTimeWithMyRule(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called");
+
+    IPC::RequestParser rp{ctx};
+    const auto calendar_time{rp.PopRaw<TimeZone::CalendarTime>()};
+
+    s64 posix_time{};
+    if (const ResultCode result{
+            time_zone_content_manager.GetTimeZoneManager().ToPosixTimeWithMyRule(calendar_time,
+                                                                                 posix_time)};
+        result != RESULT_SUCCESS) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+        return;
+    }
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushRaw<u32>(1); // Number of times we're returning
+    ctx.WriteBuffer(&posix_time, sizeof(s64));
+}
+
 } // namespace Service::Time
diff --git a/src/core/hle/service/time/time_zone_service.h b/src/core/hle/service/time/time_zone_service.h
index a92b4312b..cb495748b 100644
--- a/src/core/hle/service/time/time_zone_service.h
+++ b/src/core/hle/service/time/time_zone_service.h
@@ -22,6 +22,7 @@ private:
     void ToCalendarTime(Kernel::HLERequestContext& ctx);
     void ToCalendarTimeWithMyRule(Kernel::HLERequestContext& ctx);
     void ToPosixTime(Kernel::HLERequestContext& ctx);
+    void ToPosixTimeWithMyRule(Kernel::HLERequestContext& ctx);
 
 private:
     TimeZone::TimeZoneContentManager& time_zone_content_manager;
-- 
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