implement most of MxBackgroundAudioManager (#232)

* implement most of MxBackgroundAudioManager

* Match OpenMusic to 100%, style fixes

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/legoomni.cpp

@@ -11,6 +11,9 @@
 // 0x100f4588
 MxAtomId *g_nocdSourceName = NULL;
 
+// 0x100f456c
+MxAtomId *g_jukeboxScript = NULL;
+
 // 0x101020e8
 void (*g_omniUserMessage)(const char *,int);
 
@@ -26,10 +29,11 @@ LegoOmni::~LegoOmni()
   Destroy();
 }
 
-// OFFSET: LEGO1 0x1005b560 STUB
+// OFFSET: LEGO1 0x1005b560
 void LegoOmni::CreateBackgroundAudio()
 {
-  // TODO
+  if (m_bkgAudioManager)
+    m_bkgAudioManager->Create(*g_jukeboxScript, 100);
 }
 
 // OFFSET: LEGO1 0x1005af10 STUB
@@ -308,9 +312,10 @@ MxResult LegoOmni::Start(MxDSAction* action)
   return result;
 }
 
-void LegoOmni::DeleteObject(MxDSAction &ds)
+MxResult LegoOmni::DeleteObject(MxDSAction &ds)
 {
   // FIXME: Stub
+  return FAILURE;
 }
 
 MxBool LegoOmni::DoesEntityExist(MxDSAction &ds)

LEGO1/legoomni.h

@@ -57,7 +57,7 @@ public:
   virtual MxResult Create(COMPAT_CONST MxOmniCreateParam &p) override; // vtable+18
   virtual void Destroy() override; // vtable+1c
   virtual MxResult Start(MxDSAction* action) override;
-  virtual void DeleteObject(MxDSAction &ds) override;
+  virtual MxResult DeleteObject(MxDSAction &ds) override;
   virtual MxBool DoesEntityExist(MxDSAction &ds) override;
   virtual void vtable0x2c() override;
   virtual int vtable0x30(char*, int, MxCore*) override;

LEGO1/mxbackgroundaudiomanager.cpp

@@ -1,6 +1,8 @@
 #include "mxbackgroundaudiomanager.h"
 
 #include "mxomni.h"
+#include "mxstreamer.h"
+#include "mxticklemanager.h"
 
 DECOMP_SIZE_ASSERT(MxBackgroundAudioManager, 0x150)
 
@@ -20,14 +22,29 @@ MxBackgroundAudioManager::MxBackgroundAudioManager()
 // OFFSET: LEGO1 0x1007ec20
 MxBackgroundAudioManager::~MxBackgroundAudioManager()
 {
-  // TODO
+  TickleManager()->UnregisterClient(this);
   NotificationManager()->Unregister(this);
+  DestroyMusic();
 }
 
 // OFFSET: LEGO1 0x1007f470
 void MxBackgroundAudioManager::Stop()
 {
-  // TODO
+  if (m_action2.GetObjectId() != -1)
+    DeleteObject(m_action2);
+
+  m_unk138 = 0;
+  m_action2.SetAtomId(MxAtomId());
+  m_action2.SetObjectId(-1);
+
+  if (m_action1.GetObjectId() != -1)
+    DeleteObject(m_action1);
+
+  m_unka0 = 0;
+  m_action1.SetAtomId(MxAtomId());
+  m_unk148 = 0;
+  m_action1.SetObjectId(-1);
+  m_unk13c = 0;
 }
 
 // OFFSET: LEGO1 0x1007f5f0
@@ -47,3 +64,45 @@ void MxBackgroundAudioManager::Init()
   this->m_unka0 = 0;
   this->m_unk13c = 0;
 }
+
+// OFFSET: LEGO1 0x1007ece0
+MxResult MxBackgroundAudioManager::Create(MxAtomId &p_script, MxU32 p_frequencyMS)
+{
+  MxResult result = OpenMusic(p_script);
+
+  if (result == SUCCESS) {
+    TickleManager()->RegisterClient(this, p_frequencyMS);
+    m_musicEnabled = TRUE;
+  }
+
+  return result;
+}
+
+// OFFSET: LEGO1 0x1007ed20
+MxResult MxBackgroundAudioManager::OpenMusic(MxAtomId &p_script)
+{
+  if (m_script.GetInternal())
+    DestroyMusic();
+
+  MxResult result = FAILURE;
+
+  if (Streamer()->Open(p_script.GetInternal(), 0)) {
+    m_script = p_script;
+    result = SUCCESS;
+  }
+
+  return result;
+}
+
+// OFFSET: LEGO1 0x1007ed70
+void MxBackgroundAudioManager::DestroyMusic()
+{
+  if (m_script.GetInternal()) {
+    MxDSAction ds;
+    ds.SetAtomId(m_script);
+    ds.SetUnknown24(-2);
+    DeleteObject(ds);
+    Streamer()->Close(m_script.GetInternal());
+    m_musicEnabled = FALSE;
+  }
+}

LEGO1/mxbackgroundaudiomanager.h

@@ -28,10 +28,13 @@ public:
   }
 
   __declspec(dllexport) void Enable(unsigned char p);
+  virtual MxResult Create(MxAtomId &p_script, MxU32 p_frequencyMS);
 
   void Stop();
 private:
   void Init();
+  MxResult OpenMusic(MxAtomId &p_script);
+  void DestroyMusic();
 
   MxBool m_musicEnabled; // 0x8
   MxDSAction m_action1; // 0xc
@@ -42,7 +45,7 @@ private:
   MxS32 m_unk140;
   MxS32 m_unk144;
   MxS16 m_unk148;
-  MxAtomId m_unk14c;
+  MxAtomId m_script;
 };
 
 #endif // MXBACKGROUNDAUDIOMANAGER_H

LEGO1/mxomni.cpp

@@ -68,9 +68,10 @@ MxResult MxOmni::Start(MxDSAction* p_dsAction)
 }
 
 // OFFSET: LEGO1 0x100b00c0 STUB
-void MxOmni::DeleteObject(MxDSAction &p_dsAction)
+MxResult MxOmni::DeleteObject(MxDSAction &p_dsAction)
 {
   // TODO
+  return FAILURE;
 }
 
 // OFFSET: LEGO1 0x100b09a0
@@ -231,7 +232,7 @@ MxResult MxOmni::Create(MxOmniCreateParam &p)
   }
 
   if (p.CreateFlags().CreateStreamer()) {
-    if (!(m_streamer = new MxStreamer()) || m_streamer->Create() != SUCCESS) 
+    if (!(m_streamer = new MxStreamer()) || m_streamer->Create() != SUCCESS)
       goto done;
   }
 
@@ -402,3 +403,9 @@ MxEventManager* EventManager()
 {
   return MxOmni::GetInstance()->GetEventManager();
 }
+
+// OFFSET: LEGO1 0x100acf70
+MxResult DeleteObject(MxDSAction &p_dsAction)
+{
+  return MxOmni::GetInstance()->DeleteObject(p_dsAction);
+}

LEGO1/mxomni.h

@@ -42,7 +42,7 @@ public:
   virtual MxResult Create(COMPAT_CONST MxOmniCreateParam &p); // vtable+18
   virtual void Destroy(); // vtable+1c
   virtual MxResult Start(MxDSAction* p_dsAction); // vtable+20
-  virtual void DeleteObject(MxDSAction &p_dsAction); // vtable+24
+  virtual MxResult DeleteObject(MxDSAction &p_dsAction); // vtable+24
   virtual MxBool DoesEntityExist(MxDSAction &p_dsAction); // vtable+28
   virtual void vtable0x2c(); // vtable+2c
   virtual int vtable0x30(char*, int, MxCore*); // vtable+30
@@ -95,6 +95,7 @@ __declspec(dllexport) MxMusicManager * MusicManager();
 __declspec(dllexport) MxEventManager * EventManager();
 __declspec(dllexport) MxNotificationManager * NotificationManager();
 
+MxResult DeleteObject(MxDSAction &p_dsAction);
 MxVideoManager *MVideoManager();
 MxAtomIdCounterSet *AtomIdCounterSet();
 MxObjectFactory *ObjectFactory();