lego1: match LegoOmni::GetInstance and deconstructor and add a few methods (#58)

* add GetInstance fix

* Implement a few methods

* Move get* helpers to their correct locations

* rename m_instance

* add TransitionManager

LEGO1/mxomni.cpp

@@ -1,7 +1,7 @@
 #include "mxomni.h"
 
 // 0x101015b0
-MxOmni* MxOmni::m_instance = NULL;
+MxOmni *MxOmni::g_instance = NULL;
 
 // OFFSET: LEGO1 0x100aef10
 MxOmni::MxOmni()
@@ -33,10 +33,26 @@ void MxOmni::Init()
   m_unk64 = NULL;
 }
 
+// OFFSET: LEGO1 0x100b0690
+void MxOmni::DestroyInstance()
+{
+  if (g_instance != NULL)
+  {
+    delete g_instance;
+    g_instance = NULL;
+  }
+}
+
 // OFFSET: LEGO1 0x100b0680
 MxOmni *MxOmni::GetInstance()
 {
-  return m_instance;
+  return g_instance;
+}
+
+// OFFSET: LEGO1 0x100af0b0
+void MxOmni::SetInstance(MxOmni *instance)
+{
+  g_instance = instance;
 }
 
 // OFFSET: LEGO1 0x100af0c0
@@ -67,8 +83,62 @@ long MxOmni::Notify(MxParam &p)
   return 0;
 }
 
+// OFFSET: LEGO1 0x100acea0
+MxObjectFactory *ObjectFactory()
+{
+  return MxOmni::GetInstance()->GetObjectFactory();
+}
+
+// OFFSET: LEGO1 0x100aceb0
+MxNotificationManager *NotificationManager()
+{
+  return MxOmni::GetInstance()->GetNotificationManager();
+}
+
+// OFFSET: LEGO1 0x100acec0
+MxTickleManager *TickleManager()
+{
+  return MxOmni::GetInstance()->GetTickleManager();
+}
+
 // OFFSET: LEGO1 0x100aced0
 MxTimer *Timer()
 {
   return MxOmni::GetInstance()->GetTimer();
 }
+
+// OFFSET: LEGO1 0x100acef0
+MxStreamer* Streamer()
+{
+  return MxOmni::GetInstance()->GetStreamer();
+} 
+
+// OFFSET: LEGO1 0x100acf00
+MxSoundManager* MSoundManager()
+{
+  return MxOmni::GetInstance()->GetSoundManager();
+}
+
+// OFFSET: LEGO1 0x100acf10
+MxVideoManager* MVideoManager()
+{
+  return MxOmni::GetInstance()->GetVideoManager();
+}
+
+// OFFSET: LEGO1 0x100acf20
+MxVariableTable* VariableTable()
+{
+  return MxOmni::GetInstance()->GetVariableTable();
+}
+
+// OFFSET: LEGO1 0x100acf30
+MxMusicManager* MusicManager()
+{
+  return MxOmni::GetInstance()->GetMusicManager();
+}
+
+// OFFSET: LEGO1 0x100acf40
+MxEventManager* EventManager()
+{
+  return MxOmni::GetInstance()->GetEventManager();
+}