From 01521d2c981e3387444ba795259e978398e8fb69 Mon Sep 17 00:00:00 2001
From: Minho Kang <kmh6297@gmail.com>
Date: Fri, 22 Sep 2017 22:03:57 +0900
Subject: [PATCH] Implement offseting eorzean time

Usage:
@set eorzeatime time
---
 src/servers/Server_Common/Network/PacketDef/Ipcs.h  |  1 +
 .../Network/PacketDef/Zone/ServerZoneDef.h          |  5 +++++
 src/servers/Server_Zone/Actor/Player.cpp            | 13 ++++++++++++-
 src/servers/Server_Zone/Actor/Player.h              |  4 ++++
 .../DebugCommand/DebugCommandHandler.cpp            | 11 +++++++++--
 5 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/servers/Server_Common/Network/PacketDef/Ipcs.h b/src/servers/Server_Common/Network/PacketDef/Ipcs.h
index d18c36f6..b4ade11c 100644
--- a/src/servers/Server_Common/Network/PacketDef/Ipcs.h
+++ b/src/servers/Server_Common/Network/PacketDef/Ipcs.h
@@ -116,6 +116,7 @@ namespace Packets {
       WeatherChange              = 0x01AF, // updated for sb
       Discovery                  = 0x01B2, // updated for sb
 
+      EorzeaTimeOffset           = 0x01B4,
 
       CFAvailableContents        = 0x01CF,
 
diff --git a/src/servers/Server_Common/Network/PacketDef/Zone/ServerZoneDef.h b/src/servers/Server_Common/Network/PacketDef/Zone/ServerZoneDef.h
index c1c2388f..10a34cd0 100644
--- a/src/servers/Server_Common/Network/PacketDef/Zone/ServerZoneDef.h
+++ b/src/servers/Server_Common/Network/PacketDef/Zone/ServerZoneDef.h
@@ -1281,6 +1281,11 @@ struct FFXIVIpcCFMemberStatus : FFXIVIpcBasePacket<CFMemberStatus>
    uint32_t unknown3;
 };
 
+struct FFXIVIpcEorzeaTimeOffset : FFXIVIpcBasePacket<EorzeaTimeOffset>
+{
+   uint64_t timestamp;
+};
+
 
 
 } /* Server */
diff --git a/src/servers/Server_Zone/Actor/Player.cpp b/src/servers/Server_Zone/Actor/Player.cpp
index ed6af547..49bc2ad3 100644
--- a/src/servers/Server_Zone/Actor/Player.cpp
+++ b/src/servers/Server_Zone/Actor/Player.cpp
@@ -1667,4 +1667,15 @@ void Core::Entity::Player::setOpeningSequence( uint8_t seq )
 {
    setSyncFlag( OpeningSeq );
    m_openingSequence = seq;
-}
\ No newline at end of file
+}
+
+/// Tells client to offset their eorzean time by given timestamp.
+void Core::Entity::Player::setEorzeaTimeOffset( uint64_t timestamp )
+{
+   // TODO: maybe change to persistent?
+   GamePacketNew< FFXIVIpcEorzeaTimeOffset, ServerZoneIpcType > packet ( getId() );
+   packet.data().timestamp = timestamp;
+
+   // Send to single player
+   queuePacket( packet );
+}
diff --git a/src/servers/Server_Zone/Actor/Player.h b/src/servers/Server_Zone/Actor/Player.h
index a34d8a46..907a5916 100644
--- a/src/servers/Server_Zone/Actor/Player.h
+++ b/src/servers/Server_Zone/Actor/Player.h
@@ -499,6 +499,10 @@ public:
 
    uint32_t getCFPenaltyMinutes() const;
    void setCFPenaltyMinutes( uint32_t minutes );
+
+   void setEorzeaTimeOffset( uint64_t timestamp );
+   
+
 private:
    uint32_t m_lastWrite;
    uint32_t m_lastPing;
diff --git a/src/servers/Server_Zone/DebugCommand/DebugCommandHandler.cpp b/src/servers/Server_Zone/DebugCommand/DebugCommandHandler.cpp
index e9eb2aa7..f8a66d7a 100644
--- a/src/servers/Server_Zone/DebugCommand/DebugCommandHandler.cpp
+++ b/src/servers/Server_Zone/DebugCommand/DebugCommandHandler.cpp
@@ -254,18 +254,25 @@ void Core::DebugCommandHandler::set( char * data, Core::Entity::PlayerPtr pPlaye
    else if( subCommand == "aaah" )
    {
       int32_t id;
-
       sscanf( params.c_str(), "%d", &id );
+      
       pPlayer->sendDebug( std::to_string( pPlayer->actionHasCastTime( id ) ) );
    }
    else if ( subCommand == "cfpenalty" )
    {
       int32_t minutes;
-
       sscanf( params.c_str(), "%d", &minutes );
 
       pPlayer->setCFPenaltyMinutes( minutes );
    }
+   else if ( subCommand == "eorzeatime" )
+   {
+      uint64_t timestamp;
+      sscanf(params.c_str(), "%llu", &timestamp);
+
+      pPlayer->setEorzeaTimeOffset( timestamp );
+      pPlayer->sendNotice( "Eorzea time offset: " + std::to_string( timestamp ) );
+   }
 
 }