Core/Mail: implement a way to specify NPC sender for mails when they should be different from the quest ender (#17601)

(cherry picked from commit d4e15f1aac3159bb5e17808ee06efb847fdd4789)

# Conflicts:
#	src/server/game/Quests/QuestDef.cpp
#	src/server/game/Quests/QuestDef.h

Rename 9999_99_99_99_world.sql to sql/updates/world/3.3.5/2016_07_19_00_world.sql
(cherry picked from commit 3a77dec6e6fac47fedeb0aeddd09dfe12c3817a2)

2 files changed, 8 insertions, 0 deletions

diff --git a/src/server/game/Mails/Mail.cpp b/src/server/game/Mails/Mail.cpp
index 47c02f4b5a0..5b796042369 100644
--- a/src/server/game/Mails/Mail.cpp
+++ b/src/server/game/Mails/Mail.cpp
@@ -73,6 +73,13 @@ MailSender::MailSender(Player* sender)
     m_senderId = sender->GetGUID().GetCounter();
 }
 
+MailSender::MailSender(uint32 senderEntry)
+{
+    m_messageType = MAIL_CREATURE;
+    m_senderId = senderEntry;
+    m_stationery = MAIL_STATIONERY_DEFAULT;
+}
+
 MailReceiver::MailReceiver(Player* receiver) : m_receiver(receiver), m_receiver_lowguid(receiver->GetGUID().GetCounter()) { }
 
 MailReceiver::MailReceiver(Player* receiver, ObjectGuid::LowType receiver_lowguid) : m_receiver(receiver), m_receiver_lowguid(receiver_lowguid)
diff --git a/src/server/game/Mails/Mail.h b/src/server/game/Mails/Mail.h
index 8b0d4a1c024..71f9e25f915 100644
--- a/src/server/game/Mails/Mail.h
+++ b/src/server/game/Mails/Mail.h
@@ -94,6 +94,7 @@ class TC_GAME_API MailSender
         MailSender(AuctionEntry* sender);
         MailSender(BlackMarketEntry* sender);
         MailSender(Player* sender);
+        MailSender(uint32 senderEntry);
     public:                                                 // Accessors
         MailMessageType GetMailMessageType() const { return m_messageType; }
         ObjectGuid::LowType GetSenderId() const { return m_senderId; }