Core/Game: Move singleton instances into compilation units

* Fixes issues when building shared libraries
  (prevents gcc and clang from providing several instance)

4 files changed, 14 insertions, 10 deletions

diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index bed31834842..81302671762 100644
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -62,6 +62,12 @@ void MapManager::InitializeVisibilityDistanceInfo()
         (*iter).second->InitVisibilityDistance();
 }
 
+MapManager* MapManager::instance()
+{
+    static MapManager instance;
+    return &instance;
+}
+
 Map* MapManager::CreateBaseMap(uint32 id)
 {
     Map* map = FindBaseMap(id);
diff --git a/src/server/game/Maps/MapManager.h b/src/server/game/Maps/MapManager.h
index c0811e7fecc..24cbbf4ef4d 100644
--- a/src/server/game/Maps/MapManager.h
+++ b/src/server/game/Maps/MapManager.h
@@ -31,11 +31,7 @@ struct TransportCreatureProto;
 class MapManager
 {
     public:
-        static MapManager* instance()
-        {
-            static MapManager instance;
-            return &instance;
-        }
+        static MapManager* instance();
 
         Map* CreateBaseMap(uint32 mapId);
         Map* FindBaseNonInstanceMap(uint32 mapId) const;
diff --git a/src/server/game/Maps/TransportMgr.cpp b/src/server/game/Maps/TransportMgr.cpp
index 028a58f53c0..5de0133c342 100644
--- a/src/server/game/Maps/TransportMgr.cpp
+++ b/src/server/game/Maps/TransportMgr.cpp
@@ -35,6 +35,12 @@ TransportMgr::TransportMgr() { }
 
 TransportMgr::~TransportMgr() { }
 
+TransportMgr* TransportMgr::instance()
+{
+    static TransportMgr instance;
+    return &instance;
+}
+
 void TransportMgr::Unload()
 {
     _transportTemplates.clear();
diff --git a/src/server/game/Maps/TransportMgr.h b/src/server/game/Maps/TransportMgr.h
index d73f284138a..b034751a6b4 100644
--- a/src/server/game/Maps/TransportMgr.h
+++ b/src/server/game/Maps/TransportMgr.h
@@ -102,11 +102,7 @@ class TransportMgr
         friend void DB2Manager::LoadStores(std::string const&, uint32);
 
     public:
-        static TransportMgr* instance()
-        {
-            static TransportMgr instance;
-            return &instance;
-        }
+        static TransportMgr* instance();
 
         void Unload();