diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ac80152..0d02143c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -103,7 +103,7 @@ jobs:
   upload:
     needs: [build, compare]
     runs-on: ubuntu-latest
-    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && github.repository == 'isledecomp/isle' }}
     steps:
     - uses: actions/checkout@v3
       with:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3645e122..2034c28a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,7 @@ add_library(lego1 SHARED
   LEGO1/legoworldpresenter.cpp
   LEGO1/motorcycle.cpp
   LEGO1/mxatomid.cpp
+  LEGO1/mxatomidcounter.cpp
   LEGO1/mxaudiopresenter.cpp
   LEGO1/mxautolocker.cpp
   LEGO1/mxbackgroundaudiomanager.cpp
@@ -117,6 +118,7 @@ add_library(lego1 SHARED
   LEGO1/mxdsparallelaction.cpp
   LEGO1/mxdsselectaction.cpp
   LEGO1/mxdsserialaction.cpp
+  LEGO1/mxdsstreamingaction.cpp
   LEGO1/mxdssound.cpp
   LEGO1/mxdssource.cpp
   LEGO1/mxdsstill.cpp
diff --git a/LEGO1/compat.h b/LEGO1/compat.h
index c682dc0e..33b97d5a 100644
--- a/LEGO1/compat.h
+++ b/LEGO1/compat.h
@@ -14,17 +14,21 @@
 // DIsable "nonstandard extension used : 'bool'" warning spam
 #pragma warning( disable : 4237 )
 
+// Disable "identifier was truncated to '255' characters" warning.
+// Impossible to avoid this if using STL map or set.
+// This removes most (but not all) occurrences of the warning.
+#pragma warning( disable : 4786 )
+
 #define MSVC420_VERSION 1020
 
 // STL compatibility.
 #if defined(_MSC_VER) && _MSC_VER <= MSVC420_VERSION
-#include <STL.H>
+#include "mxstl.h"
 #else
 #include <algorithm>
 #include <list>
+#include <set>
 using namespace std;
-template <class T>
-using List = list<T>;
 #endif
 
 // We use `override` so newer compilers can tell us our vtables are valid,
diff --git a/LEGO1/mxatomid.cpp b/LEGO1/mxatomid.cpp
index 007e2de3..092f5deb 100644
--- a/LEGO1/mxatomid.cpp
+++ b/LEGO1/mxatomid.cpp
@@ -1,20 +1,97 @@
 #include "mxatomid.h"
+#include "mxomni.h"
 
 // OFFSET: LEGO1 0x100acf90
-MxAtomId::MxAtomId(const char *, LookupMode)
+MxAtomId::MxAtomId(const char *p_str, LookupMode p_mode)
 {
-  // TODO
+  if (!MxOmni::GetInstance())
+    return;
+
+  if (!AtomIdCounterSet())
+    return;
+
+  MxAtomIdCounter *counter = GetCounter(p_str, p_mode);
+  m_internal = counter->GetKey()->GetData();
+  counter->Inc();
 }
 
 // OFFSET: LEGO1 0x100acfd0
 MxAtomId::~MxAtomId()
 {
-  // TODO
+  Destroy();
+}
+
+// OFFSET: LEGO1 0x100acfe0
+void MxAtomId::Destroy()
+{
+  if (!m_internal)
+    return;
+
+  if (!MxOmni::GetInstance())
+    return;
+
+  if (!AtomIdCounterSet())
+    return;
+
+  // The dtor is called on the counter object immediately,
+  // so this syntax should be correct.
+  MxAtomIdCounterSet::iterator it = AtomIdCounterSet()->find(
+    &MxAtomIdCounter(m_internal)
+  );
+  
+  MxAtomIdCounter *counter = (MxAtomIdCounter*)(*it);
+  counter->Dec();
 }
 
 // OFFSET: LEGO1 0x100ad1c0
-MxAtomId &MxAtomId::operator=(const MxAtomId &id)
+MxAtomId &MxAtomId::operator=(const MxAtomId &p_atomId)
 {
-  // TODO
+  if (m_internal)
+    Destroy();
+
+  if (p_atomId.m_internal && MxOmni::GetInstance() && AtomIdCounterSet()) {
+    MxAtomIdCounter *counter = GetCounter(p_atomId.m_internal, LookupMode_Exact);
+    counter->Inc();
+  }
+
+  m_internal = p_atomId.m_internal;
+
   return *this;
 }
+
+// OFFSET: LEGO1 0x100ad210
+MxAtomIdCounter* MxAtomId::GetCounter(const char *p_str, LookupMode p_mode)
+{
+  MxAtomId _unused;
+  MxAtomIdCounter *counter = new MxAtomIdCounter(p_str);
+
+  switch (p_mode) {
+    case LookupMode_LowerCase:
+    case LookupMode_LowerCase2:
+      counter->GetKey()->ToLowerCase();
+      break;
+    case LookupMode_UpperCase:
+      counter->GetKey()->ToUpperCase();
+      break;
+  }
+
+  MxAtomIdCounterSet::iterator it = AtomIdCounterSet()->find(counter);
+  if (it != AtomIdCounterSet()->end()) {
+    // Counter already in the set. Delete temp value and return it.
+    delete counter;
+    counter = *it;
+  } else {
+    // Counter is not in the set. Add it.
+    AtomIdCounterSet()->insert(counter);
+  }
+
+  return counter;
+}
+
+// OFFSET: LEGO1 0x100ad7e0
+void MxAtomId::Clear()
+{
+  // Reset but do not delete MxAtomId object.
+  Destroy();
+  m_internal = NULL;
+}
diff --git a/LEGO1/mxatomid.h b/LEGO1/mxatomid.h
index 4a2082cf..8efef679 100644
--- a/LEGO1/mxatomid.h
+++ b/LEGO1/mxatomid.h
@@ -2,6 +2,7 @@
 #define MXATOMID_H
 
 #include "mxtypes.h"
+#include "mxatomidcounter.h"
 
 enum LookupMode
 {
@@ -27,9 +28,13 @@ class MxAtomId
   {
     return this->m_internal == other.m_internal;
   }
+  void Clear();
 
 private:
-  char *m_internal;
+  MxAtomIdCounter* GetCounter(const char *, LookupMode);
+  void Destroy();
+
+  const char *m_internal;
 };
 
 #endif // MXATOMID_H
diff --git a/LEGO1/mxatomidcounter.cpp b/LEGO1/mxatomidcounter.cpp
new file mode 100644
index 00000000..a38dbe6f
--- /dev/null
+++ b/LEGO1/mxatomidcounter.cpp
@@ -0,0 +1,18 @@
+#include "mxatomidcounter.h"
+#include "decomp.h"
+
+DECOMP_SIZE_ASSERT(MxAtomIdCounter, 0x14);
+DECOMP_SIZE_ASSERT(MxAtomIdCounterSet, 0x10);
+
+// OFFSET: LEGO1 0x100ad7f0
+void MxAtomIdCounter::Inc()
+{
+  m_value++;
+}
+
+// OFFSET: LEGO1 0x100ad800
+void MxAtomIdCounter::Dec()
+{
+  if (m_value)
+    m_value--;
+}
diff --git a/LEGO1/mxatomidcounter.h b/LEGO1/mxatomidcounter.h
new file mode 100644
index 00000000..79e7c7f5
--- /dev/null
+++ b/LEGO1/mxatomidcounter.h
@@ -0,0 +1,49 @@
+#ifndef MXATOMIDCOUNTER_H
+#define MXATOMIDCOUNTER_H
+
+#include "mxstring.h"
+#include "compat.h" // STL
+
+// Counts the number of existing MxAtomId objects based
+// on the matching char* string. A <map> seems fit for purpose here:
+// We have an MxString as a key and MxU16 as the value.
+// And yet a <set> is the best match. The malloc in MxOmni::Create
+// for the _Nil node asks for more bytes than a regular node if a <map>
+// is used, but all nodes are 20 bytes wide with a <set>.
+// Also: the increment/decrement methods suggest a custom type was used
+// for the combined key_value_pair, which doesn't seem possible with <map>.
+
+// SIZE: 0x14 (including padding)
+class MxAtomIdCounter
+{
+public:
+  // always inlined
+  MxAtomIdCounter(const char *p_str)
+  {
+    m_key = p_str;
+    m_value = 0;
+  }
+
+  void Inc();
+  void Dec();
+  inline MxString* GetKey() { return &m_key; };
+  inline MxU16 GetValue() { return m_value; };
+
+private:
+  MxString m_key;
+  MxU16 m_value;
+};
+
+struct MxAtomIdCounterCompare
+{
+  // OFFSET: LEGO1 0x100ad120
+  int operator()(MxAtomIdCounter* const & p_val0, MxAtomIdCounter* const & p_val1) const
+  {
+    return strcmp(p_val0->GetKey()->GetData(), p_val1->GetKey()->GetData()) > 0;
+  }
+};
+
+class MxAtomIdCounterSet : public set<MxAtomIdCounter*, MxAtomIdCounterCompare>
+{};
+
+#endif //MXATOMIDCOUNTER_H
\ No newline at end of file
diff --git a/LEGO1/mxdsaction.h b/LEGO1/mxdsaction.h
index 2d177f8f..843d8275 100644
--- a/LEGO1/mxdsaction.h
+++ b/LEGO1/mxdsaction.h
@@ -46,8 +46,12 @@ class MxDSAction : public MxDSObject
   MxU32 m_sizeOnDisk;
   DWORD m_flags;
   DWORD m_startTime;
+
+protected:
   MxLong m_duration;
   MxS32 m_loopCount;
+
+private:
   MxVector3Data m_location;
   MxVector3Data m_direction;
   MxVector3Data m_up;
diff --git a/LEGO1/mxdsanim.cpp b/LEGO1/mxdsanim.cpp
index b9b887cd..050d40e0 100644
--- a/LEGO1/mxdsanim.cpp
+++ b/LEGO1/mxdsanim.cpp
@@ -1,5 +1,7 @@
 #include "mxdsanim.h"
 
+DECOMP_SIZE_ASSERT(MxDSAnim, 0xb8)
+
 // OFFSET: LEGO1 0x100c8ff0
 MxDSAnim::MxDSAnim()
 {
@@ -10,3 +12,30 @@ MxDSAnim::MxDSAnim()
 MxDSAnim::~MxDSAnim()
 {
 }
+
+// OFFSET: LEGO1 0x100c91f0
+void MxDSAnim::CopyFrom(MxDSAnim &p_dsAnim)
+{
+}
+
+// OFFSET: LEGO1 0x100c9200
+MxDSAnim &MxDSAnim::operator=(MxDSAnim &p_dsAnim)
+{
+  if (this == &p_dsAnim)
+    return *this;
+
+  MxDSMediaAction::operator=(p_dsAnim);
+  this->CopyFrom(p_dsAnim);
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100c9230
+MxDSAction *MxDSAnim::Clone()
+{
+  MxDSAnim *clone = new MxDSAnim();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdsanim.h b/LEGO1/mxdsanim.h
index fdef0859..92890e8e 100644
--- a/LEGO1/mxdsanim.h
+++ b/LEGO1/mxdsanim.h
@@ -9,9 +9,11 @@ class MxDSAnim : public MxDSMediaAction
 {
 public:
   MxDSAnim();
-
   virtual ~MxDSAnim() override;
 
+  void CopyFrom(MxDSAnim &p_dsAnim);
+  MxDSAnim &operator=(MxDSAnim &p_dsAnim);
+
   // OFFSET: LEGO1 0x100c9060
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -24,6 +26,8 @@ class MxDSAnim : public MxDSMediaAction
   {
     return !strcmp(name, MxDSAnim::ClassName()) || MxDSMediaAction::IsA(name);
   }
+
+  virtual MxDSAction *Clone(); // vtable+2c;
 };
 
 #endif // MXDSANIM_H
diff --git a/LEGO1/mxdsevent.cpp b/LEGO1/mxdsevent.cpp
index b6571075..2894f074 100644
--- a/LEGO1/mxdsevent.cpp
+++ b/LEGO1/mxdsevent.cpp
@@ -1,5 +1,7 @@
 #include "mxdsevent.h"
 
+DECOMP_SIZE_ASSERT(MxDSEvent, 0xb8)
+
 // OFFSET: LEGO1 0x100c95f0
 MxDSEvent::MxDSEvent()
 {
@@ -10,3 +12,30 @@ MxDSEvent::MxDSEvent()
 MxDSEvent::~MxDSEvent()
 {
 }
+
+// OFFSET: LEGO1 0x100c97f0
+void MxDSEvent::CopyFrom(MxDSEvent &p_dsEvent)
+{
+}
+
+// OFFSET: LEGO1 0x100c9800
+MxDSEvent &MxDSEvent::operator=(MxDSEvent &p_dsEvent)
+{
+  if (this == &p_dsEvent)
+    return *this;
+
+  MxDSMediaAction::operator=(p_dsEvent);
+  this->CopyFrom(p_dsEvent);
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100c9830
+MxDSAction *MxDSEvent::Clone()
+{
+  MxDSEvent *clone = new MxDSEvent();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdsevent.h b/LEGO1/mxdsevent.h
index 59a00bb5..b8fedace 100644
--- a/LEGO1/mxdsevent.h
+++ b/LEGO1/mxdsevent.h
@@ -9,6 +9,9 @@ class MxDSEvent : public MxDSMediaAction
   MxDSEvent();
   virtual ~MxDSEvent() override;
 
+  void CopyFrom(MxDSEvent &p_dsEvent);
+  MxDSEvent &operator=(MxDSEvent &p_dsEvent);
+
   // OFFSET: LEGO1 0x100c9660
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -21,6 +24,8 @@ class MxDSEvent : public MxDSMediaAction
   {
     return !strcmp(name, MxDSEvent::ClassName()) || MxDSMediaAction::IsA(name);
   }
+
+  virtual MxDSAction *Clone(); // vtable+2c;
 };
 
 #endif // MXDSEVENT_H
diff --git a/LEGO1/mxdsobject.h b/LEGO1/mxdsobject.h
index 5dfc894c..c46ee609 100644
--- a/LEGO1/mxdsobject.h
+++ b/LEGO1/mxdsobject.h
@@ -42,6 +42,7 @@ class MxDSObject : public MxCore
 
 protected:
   inline void SetType(MxDSType p_type) { this->m_type = p_type; }
+  inline MxDSType GetType() { return (MxDSType) this->m_type; }
 
 private:
   MxU32 m_sizeOnDisk;
diff --git a/LEGO1/mxdsobjectaction.cpp b/LEGO1/mxdsobjectaction.cpp
index d468f30a..a51cdb87 100644
--- a/LEGO1/mxdsobjectaction.cpp
+++ b/LEGO1/mxdsobjectaction.cpp
@@ -1,5 +1,7 @@
 #include "mxdsobjectaction.h"
 
+DECOMP_SIZE_ASSERT(MxDSObjectAction, 0xb8)
+
 // OFFSET: LEGO1 0x100c8870
 MxDSObjectAction::MxDSObjectAction()
 {
@@ -10,3 +12,30 @@ MxDSObjectAction::MxDSObjectAction()
 MxDSObjectAction::~MxDSObjectAction()
 {
 }
+
+// OFFSET: LEGO1 0x100c8a70
+void MxDSObjectAction::CopyFrom(MxDSObjectAction &p_dsObjectAction)
+{
+}
+
+// OFFSET: LEGO1 0x100c8a80
+MxDSObjectAction &MxDSObjectAction::operator=(MxDSObjectAction &p_dsObjectAction)
+{
+  if (this == &p_dsObjectAction)
+    return *this;
+
+  MxDSMediaAction::operator=(p_dsObjectAction);
+  this->CopyFrom(p_dsObjectAction);
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100c8ab0
+MxDSAction *MxDSObjectAction::Clone()
+{
+  MxDSObjectAction *clone = new MxDSObjectAction();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
diff --git a/LEGO1/mxdsobjectaction.h b/LEGO1/mxdsobjectaction.h
index 12e147fc..4a1b68bb 100644
--- a/LEGO1/mxdsobjectaction.h
+++ b/LEGO1/mxdsobjectaction.h
@@ -11,6 +11,8 @@ class MxDSObjectAction : public MxDSMediaAction
   MxDSObjectAction();
   virtual ~MxDSObjectAction() override;
 
+  MxDSObjectAction &operator=(MxDSObjectAction &p_dsObjectAction);
+
   // OFFSET: LEGO1 0x100c88e0
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -23,6 +25,9 @@ class MxDSObjectAction : public MxDSMediaAction
   {
     return !strcmp(name, MxDSObjectAction::ClassName()) || MxDSMediaAction::IsA(name);
   }
+
+  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual void CopyFrom(MxDSObjectAction &p_dsObjectAction); // vtable+44;
 };
 
 #endif // MXDSOBJECTACTION_H
diff --git a/LEGO1/mxdssound.cpp b/LEGO1/mxdssound.cpp
index d05f785d..cbb1c057 100644
--- a/LEGO1/mxdssound.cpp
+++ b/LEGO1/mxdssound.cpp
@@ -1,9 +1,11 @@
 #include "mxdssound.h"
 
+DECOMP_SIZE_ASSERT(MxDSSound, 0xc0)
+
 // OFFSET: LEGO1 0x100c92c0
 MxDSSound::MxDSSound()
 {
-  this->m_lastField = 0x4f;
+  this->m_volume = 0x4f;
   this->SetType(MxDSType_Sound);
 }
 
@@ -11,3 +13,50 @@ MxDSSound::MxDSSound()
 MxDSSound::~MxDSSound()
 {
 }
+
+// OFFSET: LEGO1 0x100c94c0
+void MxDSSound::CopyFrom(MxDSSound &p_dsSound)
+{
+  this->SetType(p_dsSound.GetType());
+  this->m_volume = p_dsSound.m_volume;
+}
+
+// OFFSET: LEGO1 0x100c94e0
+MxDSSound &MxDSSound::operator=(MxDSSound &p_dsSound)
+{
+  if (this == &p_dsSound)
+    return *this;
+
+  MxDSMediaAction::operator=(p_dsSound);
+  this->CopyFrom(p_dsSound);
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100c95d0
+MxU32 MxDSSound::GetSizeOnDisk()
+{
+  MxU32 totalSizeOnDisk = MxDSMediaAction::GetSizeOnDisk();
+
+  this->m_sizeOnDisk = sizeof(this->m_volume);
+  return totalSizeOnDisk + 4;
+}
+
+// OFFSET: LEGO1 0x100c95a0
+void MxDSSound::Deserialize(char **p_source, MxS16 p_unk24)
+{
+  MxDSMediaAction::Deserialize(p_source, p_unk24);
+
+  this->m_volume = *(MxS32*) *p_source;
+  *p_source += sizeof(MxS32);
+}
+
+// OFFSET: LEGO1 0x100c9510
+MxDSAction *MxDSSound::Clone()
+{
+  MxDSSound *clone = new MxDSSound();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdssound.h b/LEGO1/mxdssound.h
index eca6c055..de345e51 100644
--- a/LEGO1/mxdssound.h
+++ b/LEGO1/mxdssound.h
@@ -2,7 +2,6 @@
 #define MXDSSOUND_H
 
 #include "mxdsmediaaction.h"
-#include "mxtypes.h"
 
 // VTABLE 0x100dcdd0
 // SIZE 0xc0
@@ -12,6 +11,9 @@ class MxDSSound : public MxDSMediaAction
   MxDSSound();
   virtual ~MxDSSound() override;
 
+  void CopyFrom(MxDSSound &p_dsSound);
+  MxDSSound &operator=(MxDSSound &p_dsSound);
+
   // OFFSET: LEGO1 0x100c9330
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -24,10 +26,14 @@ class MxDSSound : public MxDSMediaAction
   {
     return !strcmp(name, MxDSSound::ClassName()) || MxDSMediaAction::IsA(name);
   }
+
+  virtual MxU32 GetSizeOnDisk(); // vtable+18;
+  virtual void Deserialize(char **p_source, MxS16 p_unk24); // vtable+1c;
+  virtual MxDSAction *Clone(); // vtable+2c;
+
 private:
-  MxS32 m_unkb8;
-  MxLong m_lastField; // 0xbc
+  MxU32 m_sizeOnDisk;
+  MxS32 m_volume; // 0xbc
 };
 
-
 #endif // MXDSSOUND_H
diff --git a/LEGO1/mxdsstill.cpp b/LEGO1/mxdsstill.cpp
index 938afe83..6d9a78a2 100644
--- a/LEGO1/mxdsstill.cpp
+++ b/LEGO1/mxdsstill.cpp
@@ -1,5 +1,7 @@
 #include "mxdsstill.h"
 
+DECOMP_SIZE_ASSERT(MxDSStill, 0xb8)
+
 // OFFSET: LEGO1 0x100c98c0
 MxDSStill::MxDSStill()
 {
@@ -10,3 +12,30 @@ MxDSStill::MxDSStill()
 MxDSStill::~MxDSStill()
 {
 }
+
+// OFFSET: LEGO1 0x100c9ac0
+void MxDSStill::CopyFrom(MxDSStill &p_dsStill)
+{
+}
+
+// OFFSET: LEGO1 0x100c9ad0
+MxDSStill &MxDSStill::operator=(MxDSStill &p_dsStill)
+{
+  if (this == &p_dsStill)
+    return *this;
+
+  MxDSMediaAction::operator=(p_dsStill);
+  this->CopyFrom(p_dsStill);
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100c9b00
+MxDSAction *MxDSStill::Clone()
+{
+  MxDSStill *clone = new MxDSStill();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdsstill.h b/LEGO1/mxdsstill.h
index 920f890a..084fe931 100644
--- a/LEGO1/mxdsstill.h
+++ b/LEGO1/mxdsstill.h
@@ -11,6 +11,9 @@ class MxDSStill : public MxDSMediaAction
   MxDSStill();
   virtual ~MxDSStill() override;
 
+  void CopyFrom(MxDSStill &p_dsStill);
+  MxDSStill &operator=(MxDSStill &p_dsStill);
+
   // OFFSET: LEGO1 0x100c9930
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -23,6 +26,8 @@ class MxDSStill : public MxDSMediaAction
   {
     return !strcmp(name, MxDSStill::ClassName()) || MxDSMediaAction::IsA(name);
   }
+
+  virtual MxDSAction *Clone(); // vtable+2c;
 };
 
 #endif // MXDSSTILL_H
diff --git a/LEGO1/mxdsstreamingaction.cpp b/LEGO1/mxdsstreamingaction.cpp
new file mode 100644
index 00000000..ab04c19e
--- /dev/null
+++ b/LEGO1/mxdsstreamingaction.cpp
@@ -0,0 +1,91 @@
+#include "mxdsstreamingaction.h"
+
+DECOMP_SIZE_ASSERT(MxDSStreamingAction, 0xb4)
+
+// OFFSET: LEGO1 0x100cd010
+MxDSStreamingAction::MxDSStreamingAction(MxDSAction &p_dsAction, MxU32 p_offset)
+{
+  Init();
+
+  *this = p_dsAction;
+  this->m_unk94 = p_offset;
+  this->m_bufferOffset = p_offset;
+}
+
+// OFFSET: LEGO1 0x100cd0d0
+MxDSStreamingAction::MxDSStreamingAction(MxDSStreamingAction &p_dsStreamingAction)
+{
+  Init();
+  CopyFrom(p_dsStreamingAction);
+}
+
+// OFFSET: LEGO1 0x100cd150
+MxDSStreamingAction::~MxDSStreamingAction()
+{
+  // TODO: Implement MxDSBuffer
+  if (this->m_unka0)
+    delete this->m_unka0;
+  if (this->m_unka4)
+    delete this->m_unka4;
+  if (this->m_internalAction)
+    delete this->m_internalAction;
+}
+
+// OFFSET: LEGO1 0x100cd220
+MxDSStreamingAction *MxDSStreamingAction::CopyFrom(MxDSStreamingAction &p_dsStreamingAction)
+{
+  *this = p_dsStreamingAction;
+  this->m_unk94 = p_dsStreamingAction.m_unk94;
+  this->m_bufferOffset = p_dsStreamingAction.m_bufferOffset;
+  this->m_unk9c = p_dsStreamingAction.m_unk9c;
+  this->m_unka0 = NULL;
+  this->m_unka4 = NULL;
+  this->m_unkac = p_dsStreamingAction.m_unkac;
+  this->m_unka8 = p_dsStreamingAction.m_unka8;
+  SetInternalAction(p_dsStreamingAction.m_internalAction ? p_dsStreamingAction.m_internalAction->Clone() : NULL);
+
+  return this;
+}
+
+// OFFSET: LEGO1 0x100cd090
+MxBool MxDSStreamingAction::HasId(MxU32 p_objectId)
+{
+  if (this->m_internalAction)
+    return this->m_internalAction->HasId(p_objectId);
+  return FALSE;
+}
+
+// OFFSET: LEGO1 0x100cd1e0
+MxResult MxDSStreamingAction::Init()
+{
+  this->m_unk94 = 0;
+  this->m_bufferOffset = 0;
+  this->m_unk9c = 0;
+  this->m_unka0 = NULL;
+  this->m_unka4 = NULL;
+  this->m_unka8 = 0;
+  this->m_unkac = 2;
+  this->m_internalAction = NULL;
+  return SUCCESS;
+}
+
+// OFFSET: LEGO1 0x100cd2a0
+void MxDSStreamingAction::SetInternalAction(MxDSAction *p_dsAction)
+{
+  if (this->m_internalAction)
+    delete this->m_internalAction;
+  this->m_internalAction = p_dsAction;
+}
+
+// OFFSET: LEGO1 0x100cd2d0
+void MxDSStreamingAction::FUN_100CD2D0()
+{
+  if (this->m_duration == -1)
+    return;
+
+  MxLong duration = this->m_duration / this->m_loopCount;
+  this->m_loopCount--;
+    
+  this->m_duration -= duration;
+  this->m_unka8 += duration;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdsstreamingaction.h b/LEGO1/mxdsstreamingaction.h
new file mode 100644
index 00000000..d50dbed8
--- /dev/null
+++ b/LEGO1/mxdsstreamingaction.h
@@ -0,0 +1,44 @@
+#ifndef MXDSSTREAMINGACTION_H
+#define MXDSSTREAMINGACTION_H
+
+#include "mxdsaction.h"
+
+class MxDSBuffer;
+
+// VTABLE 0x100dd088
+// SIZE 0xb4
+class MxDSStreamingAction : public MxDSAction
+{
+public:
+  MxDSStreamingAction(MxDSAction &p_dsAction, MxU32 p_offset);
+  MxDSStreamingAction(MxDSStreamingAction &p_dsStreamingAction);
+  virtual ~MxDSStreamingAction();
+
+  MxDSStreamingAction *CopyFrom(MxDSStreamingAction &p_dsStreamingAction);
+  MxDSStreamingAction &operator=(MxDSAction &p_dsAction) {
+    MxDSAction::operator=(p_dsAction);
+    return *this; 
+  }
+  MxDSStreamingAction &operator=(MxDSStreamingAction &p_dsStreamingAction) {
+    MxDSAction::operator=(p_dsStreamingAction);
+    return *this; 
+  }
+
+  virtual MxBool HasId(MxU32 p_objectId); // vtable+34;
+
+  MxResult Init();
+  void SetInternalAction(MxDSAction *p_dsAction);
+  void FUN_100CD2D0();
+
+private:
+  MxU32 m_unk94;
+  MxU32 m_bufferOffset;
+  MxS32 m_unk9c;
+  MxDSBuffer *m_unka0;
+  MxDSBuffer *m_unka4;
+  MxLong m_unka8;
+  undefined2 m_unkac;
+  MxDSAction *m_internalAction;
+};
+
+#endif // MXDSSTREAMINGACTION_H
diff --git a/LEGO1/mxnotificationmanager.h b/LEGO1/mxnotificationmanager.h
index e313510b..1c2aee7c 100644
--- a/LEGO1/mxnotificationmanager.h
+++ b/LEGO1/mxnotificationmanager.h
@@ -28,10 +28,10 @@ class MxNotification
   MxParam *m_param; // 0x4
 };
 
-class MxIdList : public List<MxU32>
+class MxIdList : public list<MxU32>
 {};
 
-class MxNotificationPtrList : public List<MxNotification *>
+class MxNotificationPtrList : public list<MxNotification *>
 {};
 
 // VTABLE 0x100dc078
diff --git a/LEGO1/mxomni.cpp b/LEGO1/mxomni.cpp
index f5022b30..4048a0b5 100644
--- a/LEGO1/mxomni.cpp
+++ b/LEGO1/mxomni.cpp
@@ -38,7 +38,7 @@ void MxOmni::Init()
   m_eventManager = NULL;
   m_timer = NULL;
   m_streamer = NULL;
-  m_unk44 = NULL;
+  m_atomIdCounterSet = NULL;
   m_unk64 = NULL;
 }
 
@@ -104,6 +104,8 @@ void MxOmni::SetInstance(MxOmni *instance)
 // OFFSET: LEGO1 0x100af0c0
 MxResult MxOmni::Create(MxOmniCreateParam &p)
 {
+  m_atomIdCounterSet = new MxAtomIdCounterSet();
+
   if (p.CreateFlags().CreateVariableTable())
   {
     MxVariableTable *variableTable = new MxVariableTable();
@@ -129,6 +131,40 @@ MxResult MxOmni::Create(MxOmniCreateParam &p)
 void MxOmni::Destroy()
 {
   // FIXME: Stub
+
+  /*
+  // TODO: private members
+  if (m_notificationManager) {
+    while (m_notificationManager->m_queue->size()) {
+      m_notificationManager->Tickle();
+    }
+  }
+
+  m_notificationManager->m_active = 0;
+  */
+
+  delete m_eventManager;
+  delete m_soundManager;
+  delete m_musicManager;
+  delete m_videoManager;
+  delete m_streamer;
+  delete m_timer;
+  delete m_objectFactory;
+  delete m_variableTable;
+  delete m_notificationManager;
+  delete m_tickleManager;
+
+  // There could be a tree/iterator function that does this inline
+  if (m_atomIdCounterSet) {
+    while (!m_atomIdCounterSet->empty()) {
+      // Pop each node and delete its value
+      MxAtomIdCounterSet::iterator begin = m_atomIdCounterSet->begin();
+      MxAtomIdCounter *value = *begin;
+      m_atomIdCounterSet->erase(begin);
+      delete value;
+    }
+    delete m_atomIdCounterSet;
+  }
 }
 
 // OFFSET: LEGO1 0x100b07f0
@@ -162,6 +198,12 @@ MxTimer *Timer()
   return MxOmni::GetInstance()->GetTimer();
 }
 
+// OFFSET: LEGO1 0x100acee0
+MxAtomIdCounterSet *AtomIdCounterSet()
+{
+  return MxOmni::GetInstance()->GetAtomIdCounterSet();
+}
+
 // OFFSET: LEGO1 0x100acef0
 MxStreamer* Streamer()
 {
diff --git a/LEGO1/mxomni.h b/LEGO1/mxomni.h
index b09d11ad..fb0a9f3e 100644
--- a/LEGO1/mxomni.h
+++ b/LEGO1/mxomni.h
@@ -14,6 +14,7 @@
 #include "mxtimer.h"
 #include "mxvariabletable.h"
 #include "mxvideomanager.h"
+#include "mxatomidcounter.h"
 
 // VTABLE 0x100dc168
 // SIZE 0x68
@@ -47,6 +48,7 @@ class MxOmni : public MxCore
   MxVariableTable* GetVariableTable() const { return this->m_variableTable; }
   MxMusicManager* GetMusicManager() const { return this->m_musicManager; }
   MxEventManager* GetEventManager() const { return this->m_eventManager; }
+  MxAtomIdCounterSet* GetAtomIdCounterSet() const { return this->m_atomIdCounterSet; }
 protected:
   static MxOmni* g_instance;
 
@@ -63,7 +65,7 @@ class MxOmni : public MxCore
   MxTimer* m_timer; //0x3C
   MxStreamer* m_streamer; //0x40
 
-  int m_unk44; // 0x44
+  MxAtomIdCounterSet* m_atomIdCounterSet; // 0x44
 
   MxCriticalSection m_criticalsection; // 0x48
 
@@ -78,5 +80,6 @@ __declspec(dllexport) MxMusicManager * MusicManager();
 __declspec(dllexport) MxEventManager * EventManager();
 __declspec(dllexport) MxNotificationManager * NotificationManager();
 MxVideoManager * MVideoManager();
+MxAtomIdCounterSet* AtomIdCounterSet();
 
 #endif // MXOMNI_H
diff --git a/LEGO1/mxstl.h b/LEGO1/mxstl.h
new file mode 100644
index 00000000..8ee3d1dd
--- /dev/null
+++ b/LEGO1/mxstl.h
@@ -0,0 +1,218 @@
+#ifndef MXSTL_H
+#define MXSTL_H
+
+#include <use_ansi.h>
+#include <algorithm>
+#include <deque>
+#include <functional>
+#include <iterator>
+#include <list>
+#include <map>
+#include <memory>
+#include <numeric>
+#include <queue>
+#include <set>
+#include <stack>
+#include <utility>
+#include <vector>
+
+
+#ifdef  _MSC_VER
+/*
+ * Currently, all MS C compilers for Win32 platforms default to 8 byte
+ * alignment.
+ */
+#pragma pack(push,8)
+#endif // _MSC_VER
+
+template<class _TYPE>
+class Deque : public deque<_TYPE, allocator<_TYPE> >
+{
+public:
+  typedef Deque<_TYPE> _Myt;
+  typedef allocator<_TYPE> _A;
+
+  explicit Deque(const _A& _Al = _A()) : deque<_TYPE, _A>(_Al)
+  {}
+
+  explicit Deque(size_type _N, const _TYPE& _V = _TYPE()) : deque<_TYPE, _A>(_N, _V)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    deque<_TYPE, _A>::swap((deque<_TYPE, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _TYPE>
+class List : public list<_TYPE, allocator<_TYPE> >
+{
+public:
+  typedef List<_TYPE> _Myt;
+  typedef allocator<_TYPE> _A;
+
+  explicit List() : list<_TYPE, _A>()
+  {}
+
+  explicit List(size_type _N, const _TYPE& _V = _TYPE()) : list<_TYPE, _A>(_N, _V)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    list<_TYPE, _A>::swap((list<_TYPE, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _K, class _TYPE, class _Pr>
+class Map : public map<_K, _TYPE, _Pr, allocator<_TYPE> >
+{
+public:
+  typedef Map<_K, _TYPE, _Pr> _Myt;
+  typedef allocator<_TYPE> _A;
+
+  explicit Map(const _Pr& _Pred = _Pr())
+    : map<_K, _TYPE, _Pr, _A>(_Pred)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    map<_K, _TYPE, _Pr, _A>::swap((map<_K, _TYPE, _Pr, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _K, class _TYPE, class _Pr>
+class Multimap : public multimap<_K, _TYPE, _Pr, allocator<_TYPE> >
+{
+public:
+  typedef Multimap<_K, _TYPE, _Pr> _Myt;
+  typedef allocator<_TYPE> _A;
+
+  explicit Multimap(const _Pr& _Pred = _Pr()) : multimap<_K, _TYPE, _Pr, _A>(_Pred)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    multimap<_K, _TYPE, _Pr, _A>::swap((multimap<_K, _TYPE, _Pr, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _K, class _Pr>
+class Set : public set<_K, _Pr, allocator<_K> >
+{
+public:
+  typedef Set<_K, _Pr> _Myt;
+  typedef allocator<_K> _A;
+
+  explicit Set(const _Pr& _Pred = _Pr()) : set<_K, _Pr, _A>(_Pred)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    set<_K, _Pr, _A>::swap((set<_K, _Pr, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _K, class _Pr>
+class Multiset : public multiset<_K, _Pr, allocator<_K> >
+{
+public:
+  typedef Multiset<_K, _Pr> _Myt;
+  typedef allocator<_K> _A;
+
+  explicit Multiset(const _Pr& _Pred = _Pr())
+    : multiset<_K, _Pr, _A>(_Pred)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    multiset<_K, _Pr, _A>::swap((multiset<_K, _Pr, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _TYPE>
+class Vector : public vector<_TYPE, allocator<_TYPE> >
+{
+public:
+  typedef Vector<_TYPE> _Myt;
+  typedef allocator<_TYPE> _A;
+
+  explicit Vector(const _A& _Al = _A()) : vector<_TYPE, _A>(_Al)
+  {}
+
+  void swap(_Myt& _X)
+  {
+    vector<_TYPE, _A>::swap((vector<_TYPE, _A>&)_X);
+  }
+
+  friend void swap(_Myt& _X, _Myt& _Y)
+  {
+    _X.swap(_Y);
+  }
+};
+
+template<class _C, class _Pr>
+class Priority_queue : public priority_queue<_C::value_type, _C, _Pr, _C::allocator_type>
+{
+public:
+  typedef _C::value_type _TYPE;
+  typedef _C::allocator_type _A;
+  typedef _C::allocator_type allocator_type;
+
+  explicit Priority_queue(const _Pr& _X = _Pr(), const _C::allocator_type& _Al = _C::allocator_type()) : priority_queue<_C::value_type, _C, _Pr, _C::allocator_type>(_X, _Al)
+  {}
+};
+
+template<class _C>
+class Queue : public queue<_C::value_type, _C, _C::allocator_type>
+{};
+
+template<class _C>
+class Stack : public stack<_C::value_type, _C, _C::allocator_type>
+{};
+
+#define deque Deque
+#define list List
+#define map Map
+#define multimap Multimap
+#define set Set
+#define multiset Multiset
+#define vector Vector
+#define priority_queue Priority_queue
+#define queue Queue
+#define stack Stack
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif
+
+#endif // MXSTL_H
diff --git a/LEGO1/mxticklemanager.h b/LEGO1/mxticklemanager.h
index 103d3721..cc7b6282 100644
--- a/LEGO1/mxticklemanager.h
+++ b/LEGO1/mxticklemanager.h
@@ -53,7 +53,7 @@ class MxTickleClient
   MxU16 m_flags; // 0xc
 };
 
-class MxTickleClientPtrList : public List<MxTickleClient *>
+class MxTickleClientPtrList : public list<MxTickleClient *>
 {};
 
 // VTABLE 0x100d86d8