diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24860101..143f3068 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -313,10 +313,10 @@ target_sources(lego1 PRIVATE
   LEGO1/omni/src/common/mxcompositepresenter.cpp
   LEGO1/omni/src/common/mxcore.cpp
   LEGO1/omni/src/common/mxdebug.cpp
-  LEGO1/omni/src/common/mxmediamanager.cpp
   LEGO1/omni/src/common/mxmediapresenter.cpp
   LEGO1/omni/src/common/mxmisc.cpp
   LEGO1/omni/src/common/mxobjectfactory.cpp
+  LEGO1/omni/src/common/mxpresentationmanager.cpp
   LEGO1/omni/src/common/mxpresenter.cpp
   LEGO1/omni/src/common/mxstring.cpp
   LEGO1/omni/src/common/mxticklemanager.cpp
diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index b2a39dcc..17e0f9df 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -287,7 +287,7 @@ void IsleApp::SetupVideoFlags(
 	m_videoParam.Flags().SetLacksLightSupport(!hasLightSupport);
 	m_videoParam.Flags().SetF1bit7(param_7);
 	m_videoParam.Flags().SetWideViewAngle(wideViewAngle);
-	m_videoParam.Flags().SetF2bit1(1);
+	m_videoParam.Flags().SetEnabled(TRUE);
 	m_videoParam.SetDeviceName(deviceId);
 	if (using8bit) {
 		m_videoParam.Flags().Set16Bit(0);
diff --git a/LEGO1/lego/legoomni/include/ambulance.h b/LEGO1/lego/legoomni/include/ambulance.h
index cb6a396a..4f0a0623 100644
--- a/LEGO1/lego/legoomni/include/ambulance.h
+++ b/LEGO1/lego/legoomni/include/ambulance.h
@@ -211,7 +211,7 @@ class Ambulance : public IslePathActor {
 	MxS16 m_atPoliceTask;               // 0x16c
 	MxS16 m_atBeachTask;                // 0x16e
 	MxS16 m_taskState;                  // 0x170
-	MxS16 m_unk0x172;                   // 0x172
+	MxS16 m_enableRandomAudio;          // 0x172
 	IsleScript::Script m_lastAction;    // 0x174
 	IsleScript::Script m_lastAnimation; // 0x178
 	MxFloat m_fuel;                     // 0x17c
diff --git a/LEGO1/lego/legoomni/include/legocachesoundmanager.h b/LEGO1/lego/legoomni/include/legocachesoundmanager.h
index 2f9f851b..642ef087 100644
--- a/LEGO1/lego/legoomni/include/legocachesoundmanager.h
+++ b/LEGO1/lego/legoomni/include/legocachesoundmanager.h
@@ -48,10 +48,13 @@ typedef set<LegoCacheSoundEntry, Set100d6b4cComparator> Set100d6b4c;
 typedef list<LegoCacheSoundEntry> List100d6b4c;
 
 // VTABLE: LEGO1 0x100d6b4c
+// VTABLE: BETA10 0x101becac
 // SIZE 0x20
 class LegoCacheSoundManager {
 public:
+	// FUNCTION: BETA10 0x100d0a60
 	LegoCacheSoundManager() {}
+
 	~LegoCacheSoundManager();
 
 	virtual MxResult Tickle(); // vtable+0x00
@@ -68,6 +71,9 @@ class LegoCacheSoundManager {
 	List100d6b4c m_list; // 0x14
 };
 
+// SYNTHETIC: BETA10 0x100d06b0
+// LegoCacheSoundManager::`scalar deleting destructor'
+
 // TODO: Function names subject to change.
 
 // clang-format off
diff --git a/LEGO1/lego/legoomni/include/legocameracontroller.h b/LEGO1/lego/legoomni/include/legocameracontroller.h
index 4dcb6c39..cf4e8f0a 100644
--- a/LEGO1/lego/legoomni/include/legocameracontroller.h
+++ b/LEGO1/lego/legoomni/include/legocameracontroller.h
@@ -38,17 +38,17 @@ class LegoCameraController : public LegoPointOfViewController {
 	virtual MxResult Create();                                    // vtable+0x44
 
 	void SetWorldTransform(const Vector3& p_at, const Vector3& p_dir, const Vector3& p_up);
-	void FUN_10012290(float p_angle);
-	void FUN_10012320(float p_angle);
-	MxResult FUN_100123b0(Matrix4& p_matrix);
-	void FUN_100123e0(const Matrix4& p_transform, MxU32 p_und);
+	void RotateZ(float p_angle);
+	void RotateY(float p_angle);
+	MxResult GetPointOfView(Matrix4& p_matrix);
+	void TransformPointOfView(const Matrix4& p_transform, MxU32 p_multiply);
 	Mx3DPointFloat GetWorldUp();
 	Mx3DPointFloat GetWorldLocation();
 	Mx3DPointFloat GetWorldDirection();
 
 private:
-	MxMatrix m_matrix1; // 0x38
-	MxMatrix m_matrix2; // 0x80
+	MxMatrix m_currentTransform;  // 0x38
+	MxMatrix m_originalTransform; // 0x80
 };
 
 // SYNTHETIC: LEGO1 0x10011f50
diff --git a/LEGO1/lego/legoomni/include/legocharactermanager.h b/LEGO1/lego/legoomni/include/legocharactermanager.h
index 9b4c5313..4443ca8a 100644
--- a/LEGO1/lego/legoomni/include/legocharactermanager.h
+++ b/LEGO1/lego/legoomni/include/legocharactermanager.h
@@ -48,6 +48,7 @@ struct LegoActorInfo;
 typedef map<char*, LegoCharacter*, LegoCharacterComparator> LegoCharacterMap;
 
 // VTABLE: LEGO1 0x100da878
+// VTABLE: BETA10 0x101bc028
 // SIZE 0x24
 class CustomizeAnimFileVariable : public MxVariable {
 public:
diff --git a/LEGO1/lego/legoomni/include/legogamestate.h b/LEGO1/lego/legoomni/include/legogamestate.h
index 22e59767..44d5bc27 100644
--- a/LEGO1/lego/legoomni/include/legogamestate.h
+++ b/LEGO1/lego/legoomni/include/legogamestate.h
@@ -30,6 +30,7 @@ struct InternationalCharacter {
 };
 
 // VTABLE: LEGO1 0x100d74a8
+// VTABLE: BETA10 0x101bc4f0
 // SIZE 0x30
 class LegoBackgroundColor : public MxVariable {
 public:
@@ -50,9 +51,11 @@ class LegoBackgroundColor : public MxVariable {
 };
 
 // VTABLE: LEGO1 0x100d74b8
+// VTABLE: BETA10 0x101bc500
 // SIZE 0x24
 class LegoFullScreenMovie : public MxVariable {
 public:
+	LegoFullScreenMovie();
 	LegoFullScreenMovie(const char* p_key, const char* p_value);
 
 	void SetValue(const char* p_option) override; // vtable+0x04
diff --git a/LEGO1/lego/legoomni/include/legosoundmanager.h b/LEGO1/lego/legoomni/include/legosoundmanager.h
index 9c03b06d..f503bf6e 100644
--- a/LEGO1/lego/legoomni/include/legosoundmanager.h
+++ b/LEGO1/lego/legoomni/include/legosoundmanager.h
@@ -17,15 +17,15 @@ class LegoSoundManager : public MxSoundManager {
 	void Destroy() override;                                              // vtable+0x18
 	MxResult Create(MxU32 p_frequencyMS, MxBool p_createThread) override; // vtable+0x30
 
-	// SYNTHETIC: LEGO1 0x10029920
-	// SYNTHETIC: BETA10 0x100d0660
-	// LegoSoundManager::`scalar deleting destructor'
-
 	void UpdateListener(const float* p_position, const float* p_direction, const float* p_up, const float* p_velocity);
 
 	// FUNCTION: BETA10 0x1000f350
 	LegoCacheSoundManager* GetCacheSoundManager() { return m_cacheSoundManager; }
 
+	// SYNTHETIC: LEGO1 0x10029920
+	// SYNTHETIC: BETA10 0x100d0660
+	// LegoSoundManager::`scalar deleting destructor'
+
 private:
 	void Init();
 	void Destroy(MxBool p_fromDestructor);
diff --git a/LEGO1/lego/legoomni/include/legovariables.h b/LEGO1/lego/legoomni/include/legovariables.h
index 9447a5f9..873ef34c 100644
--- a/LEGO1/lego/legoomni/include/legovariables.h
+++ b/LEGO1/lego/legoomni/include/legovariables.h
@@ -17,41 +17,60 @@ extern const char* g_varVISIBILITY;
 extern const char* g_varCAMERALOCATION;
 extern const char* g_varCURSOR;
 extern const char* g_varWHOAMI;
+extern const char* g_varDEBUG;
 
 // VTABLE: LEGO1 0x100d86c8
+// VTABLE: BETA10 0x101bc980
 // SIZE 0x24
 class VisibilityVariable : public MxVariable {
 public:
+	// FUNCTION: BETA10 0x10093470
 	VisibilityVariable() { m_key = g_varVISIBILITY; }
 
 	void SetValue(const char* p_value) override; // vtable+0x04
 };
 
 // VTABLE: LEGO1 0x100d86b8
+// VTABLE: BETA10 0x101bc990
 // SIZE 0x24
 class CameraLocationVariable : public MxVariable {
 public:
+	// FUNCTION: BETA10 0x10093510
 	CameraLocationVariable() { m_key = g_varCAMERALOCATION; }
 
 	void SetValue(const char* p_value) override; // vtable+0x04
 };
 
 // VTABLE: LEGO1 0x100d86a8
+// VTABLE: BETA10 0x101bc9a0
 // SIZE 0x24
 class CursorVariable : public MxVariable {
 public:
+	// FUNCTION: BETA10 0x100935b0
 	CursorVariable() { m_key = g_varCURSOR; }
 
 	void SetValue(const char* p_value) override; // vtable+0x04
 };
 
 // VTABLE: LEGO1 0x100d8698
+// VTABLE: BETA10 0x101bc9b0
 // SIZE 0x24
 class WhoAmIVariable : public MxVariable {
 public:
+	// FUNCTION: BETA10 0x10093650
 	WhoAmIVariable() { m_key = g_varWHOAMI; }
 
 	void SetValue(const char* p_value) override; // vtable+0x04
 };
 
+// VTABLE: BETA10 0x101bc9c0
+// SIZE 0x24
+class DebugVariable : public MxVariable {
+public:
+	// FUNCTION: BETA10 0x100936f0
+	DebugVariable() { m_key = g_varDEBUG; }
+
+	void SetValue(const char* p_value) override; // vtable+0x04
+};
+
 #endif // LEGOVARIABLES_H
diff --git a/LEGO1/lego/legoomni/src/actors/ambulance.cpp b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
index 68512611..0d2b89cc 100644
--- a/LEGO1/lego/legoomni/src/actors/ambulance.cpp
+++ b/LEGO1/lego/legoomni/src/actors/ambulance.cpp
@@ -44,7 +44,7 @@ Ambulance::Ambulance()
 	m_atBeachTask = 0;
 	m_taskState = Ambulance::e_none;
 	m_lastAction = IsleScript::c_noneIsle;
-	m_unk0x172 = 0;
+	m_enableRandomAudio = 0;
 	m_lastAnimation = IsleScript::c_noneIsle;
 	m_fuel = 1.0;
 }
@@ -176,7 +176,7 @@ MxLong Ambulance::HandleEndAction(MxEndActionNotificationParam& p_param)
 			m_state->m_state = AmbulanceMissionState::e_enteredAmbulance;
 			CurrentWorld()->PlaceActor(UserActor());
 			HandleClick();
-			m_unk0x172 = 0;
+			m_enableRandomAudio = 0;
 			TickleManager()->RegisterClient(this, 40000);
 		}
 		else if (objectId == IsleScript::c_hpz047pe_RunAnim || objectId == IsleScript::c_hpz048pe_RunAnim || objectId == IsleScript::c_hpz049bd_RunAnim || objectId == IsleScript::c_hpz053pa_RunAnim) {
@@ -201,7 +201,7 @@ MxLong Ambulance::HandleEndAction(MxEndActionNotificationParam& p_param)
 			CurrentWorld()->PlaceActor(UserActor());
 			HandleClick();
 			SpawnPlayer(LegoGameState::e_pizzeriaExterior, TRUE, 0);
-			m_unk0x172 = 0;
+			m_enableRandomAudio = 0;
 			TickleManager()->RegisterClient(this, 40000);
 
 			if (m_atPoliceTask != 0) {
@@ -225,7 +225,7 @@ MxLong Ambulance::HandleEndAction(MxEndActionNotificationParam& p_param)
 			CurrentWorld()->PlaceActor(UserActor());
 			HandleClick();
 			SpawnPlayer(LegoGameState::e_policeExited, TRUE, 0);
-			m_unk0x172 = 0;
+			m_enableRandomAudio = 0;
 			TickleManager()->RegisterClient(this, 40000);
 
 			if (m_atBeachTask != 0) {
@@ -516,8 +516,8 @@ void Ambulance::ActivateSceneActions()
 // FUNCTION: BETA10 0x100237df
 MxResult Ambulance::Tickle()
 {
-	if (m_unk0x172 == 0) {
-		m_unk0x172 = 1;
+	if (m_enableRandomAudio == 0) {
+		m_enableRandomAudio = 1;
 	}
 	else if (m_lastAction == IsleScript::c_noneIsle) {
 		IsleScript::Script objectId;
diff --git a/LEGO1/lego/legoomni/src/actors/helicopter.cpp b/LEGO1/lego/legoomni/src/actors/helicopter.cpp
index 358657b1..fc2addb3 100644
--- a/LEGO1/lego/legoomni/src/actors/helicopter.cpp
+++ b/LEGO1/lego/legoomni/src/actors/helicopter.cpp
@@ -426,7 +426,7 @@ void Helicopter::Animate(float p_time)
 			v2 *= f2;
 			v2 += v1;
 
-			m_world->GetCameraController()->FUN_100123e0(mat, 0);
+			m_world->GetCameraController()->TransformPointOfView(mat, 0);
 		}
 		else {
 			if (m_state->m_unk0x08 == 4) {
@@ -459,7 +459,7 @@ void Helicopter::FUN_100042a0(const Matrix4& p_matrix)
 	// the typecast makes this function match for unknown reasons
 	Vector3 vec6((const float*) m_unk0x1a8[3]); // locala0  // esp+0x28
 
-	m_world->GetCameraController()->FUN_100123b0(local48);
+	m_world->GetCameraController()->GetPointOfView(local48);
 	m_unk0x1a8.SetIdentity();
 	local90 = p_matrix;
 
diff --git a/LEGO1/lego/legoomni/src/audio/legocachesoundmanager.cpp b/LEGO1/lego/legoomni/src/audio/legocachesoundmanager.cpp
index 34be4519..cd235b61 100644
--- a/LEGO1/lego/legoomni/src/audio/legocachesoundmanager.cpp
+++ b/LEGO1/lego/legoomni/src/audio/legocachesoundmanager.cpp
@@ -7,6 +7,7 @@ DECOMP_SIZE_ASSERT(LegoCacheSoundEntry, 0x08)
 DECOMP_SIZE_ASSERT(LegoCacheSoundManager, 0x20)
 
 // FUNCTION: LEGO1 0x1003cf20
+// STUB: BETA10 0x100d0700
 LegoCacheSoundManager::~LegoCacheSoundManager()
 {
 	LegoCacheSound* sound;
@@ -28,6 +29,7 @@ LegoCacheSoundManager::~LegoCacheSoundManager()
 }
 
 // FUNCTION: LEGO1 0x1003d050
+// STUB: BETA10 0x100652f0
 MxResult LegoCacheSoundManager::Tickle()
 {
 #ifdef COMPAT_MODE
diff --git a/LEGO1/lego/legoomni/src/audio/legosoundmanager.cpp b/LEGO1/lego/legoomni/src/audio/legosoundmanager.cpp
index fa638096..d5bd05af 100644
--- a/LEGO1/lego/legoomni/src/audio/legosoundmanager.cpp
+++ b/LEGO1/lego/legoomni/src/audio/legosoundmanager.cpp
@@ -9,24 +9,28 @@
 DECOMP_SIZE_ASSERT(LegoSoundManager, 0x44)
 
 // FUNCTION: LEGO1 0x100298a0
+// FUNCTION: BETA10 0x100cffb0
 LegoSoundManager::LegoSoundManager()
 {
 	Init();
 }
 
 // FUNCTION: LEGO1 0x10029940
+// FUNCTION: BETA10 0x100d0027
 LegoSoundManager::~LegoSoundManager()
 {
 	Destroy(TRUE);
 }
 
 // FUNCTION: LEGO1 0x100299a0
+// FUNCTION: BETA10 0x100d0099
 void LegoSoundManager::Init()
 {
 	m_cacheSoundManager = NULL;
 }
 
 // FUNCTION: LEGO1 0x100299b0
+// FUNCTION: BETA10 0x100d00c9
 void LegoSoundManager::Destroy(MxBool p_fromDestructor)
 {
 	delete m_cacheSoundManager;
@@ -41,17 +45,19 @@ void LegoSoundManager::Destroy(MxBool p_fromDestructor)
 // FUNCTION: BETA10 0x100d0129
 MxResult LegoSoundManager::Create(MxU32 p_frequencyMS, MxBool p_createThread)
 {
-	MxBool locked = FALSE;
 	MxResult result = FAILURE;
+	MxBool locked = FALSE;
 
-	if (MxSoundManager::Create(10, FALSE) == SUCCESS) {
-		ENTER(m_criticalSection);
-		locked = TRUE;
-		m_cacheSoundManager = new LegoCacheSoundManager;
-		assert(m_cacheSoundManager);
-		result = SUCCESS;
+	if (MxSoundManager::Create(10, FALSE) != SUCCESS) {
+		goto done;
 	}
 
+	ENTER(m_criticalSection);
+	locked = TRUE;
+	m_cacheSoundManager = new LegoCacheSoundManager;
+	assert(m_cacheSoundManager);
+	result = SUCCESS;
+
 done:
 	if (result != SUCCESS) {
 		Destroy();
diff --git a/LEGO1/lego/legoomni/src/common/legocharactermanager.cpp b/LEGO1/lego/legoomni/src/common/legocharactermanager.cpp
index adf442eb..180b8eec 100644
--- a/LEGO1/lego/legoomni/src/common/legocharactermanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legocharactermanager.cpp
@@ -1092,6 +1092,7 @@ LegoROI* LegoCharacterManager::FUN_10085a80(const char* p_name, const char* p_lo
 }
 
 // FUNCTION: LEGO1 0x10085aa0
+// FUNCTION: BETA10 0x1007703d
 CustomizeAnimFileVariable::CustomizeAnimFileVariable(const char* p_key)
 {
 	m_key = p_key;
@@ -1099,6 +1100,7 @@ CustomizeAnimFileVariable::CustomizeAnimFileVariable(const char* p_key)
 }
 
 // FUNCTION: LEGO1 0x10085b50
+// FUNCTION: BETA10 0x100770c8
 void CustomizeAnimFileVariable::SetValue(const char* p_value)
 {
 	// STRING: LEGO1 0x100fc4f4
diff --git a/LEGO1/lego/legoomni/src/common/legogamestate.cpp b/LEGO1/lego/legoomni/src/common/legogamestate.cpp
index 4ba42020..6df31604 100644
--- a/LEGO1/lego/legoomni/src/common/legogamestate.cpp
+++ b/LEGO1/lego/legoomni/src/common/legogamestate.cpp
@@ -1349,6 +1349,11 @@ void LegoBackgroundColor::SetLightColor()
 	SetLightColor(convertedR, convertedG, convertedB);
 }
 
+// FUNCTION: BETA10 0x10086a87
+LegoFullScreenMovie::LegoFullScreenMovie()
+{
+}
+
 // FUNCTION: LEGO1 0x1003c500
 // FUNCTION: BETA10 0x10086af6
 LegoFullScreenMovie::LegoFullScreenMovie(const char* p_key, const char* p_value)
diff --git a/LEGO1/lego/legoomni/src/common/legovariables.cpp b/LEGO1/lego/legoomni/src/common/legovariables.cpp
index 8269dfde..5d2d6cdb 100644
--- a/LEGO1/lego/legoomni/src/common/legovariables.cpp
+++ b/LEGO1/lego/legoomni/src/common/legovariables.cpp
@@ -6,6 +6,7 @@
 #include "legonavcontroller.h"
 #include "legovideomanager.h"
 #include "misc.h"
+#include "mxdebug.h"
 #include "roi/legoroi.h"
 
 #include <SDL3/SDL_stdinc.h>
@@ -103,6 +104,10 @@ const char* g_nick = "Nick";
 // STRING: LEGO1 0x100f39e0
 const char* g_laura = "Laura";
 
+// GLOBAL: BETA10 0x101f6ce4
+// STRING: BETA10 0x101f6d54
+const char* g_varDEBUG = "DEBUG";
+
 // FUNCTION: LEGO1 0x10037d00
 // FUNCTION: BETA10 0x100d5620
 void VisibilityVariable::SetValue(const char* p_value)
@@ -132,6 +137,7 @@ void VisibilityVariable::SetValue(const char* p_value)
 }
 
 // FUNCTION: LEGO1 0x10037d80
+// FUNCTION: BETA10 0x100d56ee
 void CameraLocationVariable::SetValue(const char* p_value)
 {
 	char buffer[256];
@@ -139,22 +145,25 @@ void CameraLocationVariable::SetValue(const char* p_value)
 
 	strcpy(buffer, p_value);
 
-	char* location = strtok(buffer, ",");
-	NavController()->UpdateLocation(location);
+	char* token = strtok(buffer, ",");
+	assert(token);
+	NavController()->UpdateLocation(token);
 
-	location = strtok(NULL, ",");
-	if (location) {
-		MxFloat pov = (MxFloat) atof(location);
+	token = strtok(NULL, ",");
+	if (token) {
+		MxFloat pov = (MxFloat) atof(token);
 		VideoManager()->Get3DManager()->SetFrustrum(pov, 0.1f, 250.0f);
 	}
 }
 
 // FUNCTION: LEGO1 0x10037e30
+// FUNCTION: BETA10 0x100d57e2
 void CursorVariable::SetValue(const char* p_value)
 {
 }
 
 // FUNCTION: LEGO1 0x10037e40
+// FUNCTION: BETA10 0x100d57fa
 void WhoAmIVariable::SetValue(const char* p_value)
 {
 	MxVariable::SetValue(p_value);
@@ -175,3 +184,10 @@ void WhoAmIVariable::SetValue(const char* p_value)
 		GameState()->SetActorId(LegoActor::c_laura);
 	}
 }
+
+// FUNCTION: BETA10 0x100d58fa
+void DebugVariable::SetValue(const char* p_value)
+{
+	MxVariable::SetValue(p_value);
+	MxTrace("%s\n", p_value);
+}
diff --git a/LEGO1/lego/legoomni/src/entity/legocameracontroller.cpp b/LEGO1/lego/legoomni/src/entity/legocameracontroller.cpp
index 6a7c59f7..cac7d66a 100644
--- a/LEGO1/lego/legoomni/src/entity/legocameracontroller.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legocameracontroller.cpp
@@ -124,28 +124,28 @@ void LegoCameraController::OnMouseMove(MxU8 p_modifier, MxPoint32 p_point)
 // FUNCTION: LEGO1 0x10012260
 void LegoCameraController::SetWorldTransform(const Vector3& p_at, const Vector3& p_dir, const Vector3& p_up)
 {
-	CalcLocalTransform(p_at, p_dir, p_up, m_matrix1);
-	m_matrix2 = m_matrix1;
+	CalcLocalTransform(p_at, p_dir, p_up, m_currentTransform);
+	m_originalTransform = m_currentTransform;
 }
 
 // FUNCTION: LEGO1 0x10012290
 // FUNCTION: BETA10 0x10068c34
-void LegoCameraController::FUN_10012290(float p_angle)
+void LegoCameraController::RotateZ(float p_angle)
 {
-	m_matrix1 = m_matrix2;
-	m_matrix1.RotateZ(p_angle);
+	m_currentTransform = m_originalTransform;
+	m_currentTransform.RotateZ(p_angle);
 }
 
 // FUNCTION: LEGO1 0x10012320
 // FUNCTION: BETA10 0x10068c73
-void LegoCameraController::FUN_10012320(float p_angle)
+void LegoCameraController::RotateY(float p_angle)
 {
-	m_matrix1 = m_matrix2;
-	m_matrix1.RotateY(p_angle);
+	m_currentTransform = m_originalTransform;
+	m_currentTransform.RotateY(p_angle);
 }
 
 // FUNCTION: LEGO1 0x100123b0
-MxResult LegoCameraController::FUN_100123b0(Matrix4& p_matrix)
+MxResult LegoCameraController::GetPointOfView(Matrix4& p_matrix)
 {
 	if (m_lego3DView) {
 		ViewROI* pov = m_lego3DView->GetPointOfView();
@@ -160,7 +160,7 @@ MxResult LegoCameraController::FUN_100123b0(Matrix4& p_matrix)
 
 // FUNCTION: LEGO1 0x100123e0
 // FUNCTION: BETA10 0x10068cb2
-void LegoCameraController::FUN_100123e0(const Matrix4& p_transform, MxU32 p_und)
+void LegoCameraController::TransformPointOfView(const Matrix4& p_transform, MxU32 p_multiply)
 {
 	if (m_lego3DView != NULL) {
 		ViewROI* pov = m_lego3DView->GetPointOfView();
@@ -168,8 +168,8 @@ void LegoCameraController::FUN_100123e0(const Matrix4& p_transform, MxU32 p_und)
 		if (pov != NULL) {
 			MxMatrix mat;
 
-			if (p_und) {
-				MXM4(mat, m_matrix1, p_transform);
+			if (p_multiply) {
+				MXM4(mat, m_currentTransform, p_transform);
 			}
 			else {
 				mat = p_transform;
diff --git a/LEGO1/lego/legoomni/src/entity/legoentity.cpp b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
index cce17c18..927d8125 100644
--- a/LEGO1/lego/legoomni/src/entity/legoentity.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
@@ -197,7 +197,7 @@ void LegoEntity::FUN_10010c30()
 	LegoWorld* world = CurrentWorld();
 
 	if (m_cameraFlag && world && world->GetCameraController() && m_roi) {
-		world->GetCameraController()->FUN_100123e0(m_roi->GetLocal2World(), 1);
+		world->GetCameraController()->TransformPointOfView(m_roi->GetLocal2World(), 1);
 	}
 }
 
diff --git a/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp b/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
index 0375a4de..c1cfc87a 100644
--- a/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
@@ -555,7 +555,7 @@ MxResult LegoNavController::ProcessJoystickInput(MxBool& p_und)
 				LegoWorld* world = CurrentWorld();
 
 				if (world && world->GetCameraController()) {
-					world->GetCameraController()->FUN_10012320(DTOR(povPosition));
+					world->GetCameraController()->RotateY(DTOR(povPosition));
 					p_und = TRUE;
 				}
 			}
diff --git a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
index c9ce7c6c..2e9ae767 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
@@ -440,7 +440,7 @@ void LegoPathActor::Animate(float p_time)
 			LegoWorld* world = CurrentWorld();
 
 			if (world) {
-				world->GetCameraController()->FUN_10012290(DTOR(m_unk0x14c));
+				world->GetCameraController()->RotateZ(DTOR(m_unk0x14c));
 			}
 		}
 	}
diff --git a/LEGO1/lego/legoomni/src/race/legoracers.cpp b/LEGO1/lego/legoomni/src/race/legoracers.cpp
index d8e4dff5..d6b25088 100644
--- a/LEGO1/lego/legoomni/src/race/legoracers.cpp
+++ b/LEGO1/lego/legoomni/src/race/legoracers.cpp
@@ -340,10 +340,10 @@ void LegoRaceCar::KickCamera(float p_param)
 			transformationMatrix.SetIdentity();
 
 			// Possible bug in the original code: The first argument is not initialized
-			a->GetAnimTreePtr()->GetCamAnim()->FUN_1009f490(deltaTime, transformationMatrix);
+			a->GetAnimTreePtr()->GetCamAnim()->CalculateCameraTransform(deltaTime, transformationMatrix);
 
 			if (r->GetCameraController()) {
-				r->GetCameraController()->FUN_100123e0(transformationMatrix, 0);
+				r->GetCameraController()->TransformPointOfView(transformationMatrix, 0);
 			}
 
 			m_roi->SetLocal2World(transformationMatrix);
diff --git a/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp b/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
index e3b58406..9e31e18b 100644
--- a/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
@@ -941,10 +941,10 @@ void LegoAnimPresenter::FUN_1006b9a0(LegoAnim* p_anim, MxLong p_time, Matrix4* p
 
 	if (p_anim->GetCamAnim() != NULL) {
 		MxMatrix transform(mat);
-		p_anim->GetCamAnim()->FUN_1009f490(p_time, transform);
+		p_anim->GetCamAnim()->CalculateCameraTransform(p_time, transform);
 
 		if (m_currentWorld != NULL && m_currentWorld->GetCameraController() != NULL) {
-			m_currentWorld->GetCameraController()->FUN_100123e0(transform, 0);
+			m_currentWorld->GetCameraController()->TransformPointOfView(transform, FALSE);
 		}
 	}
 
diff --git a/LEGO1/lego/legoomni/src/video/legovideomanager.cpp b/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
index 383c6d35..53c79a5f 100644
--- a/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
+++ b/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
@@ -545,14 +545,14 @@ void LegoVideoManager::EnableFullScreenMovie(MxBool p_enable, MxBool p_scale)
 			m_palette = m_videoParam.GetPalette()->Clone();
 			OverrideSkyColor(FALSE);
 
-			m_displaySurface->GetVideoParam().Flags().SetF1bit3(p_scale);
+			m_displaySurface->GetVideoParam().Flags().SetDoubleScaling(p_scale);
 
 			m_render3d = FALSE;
 			m_fullScreenMovie = TRUE;
 		}
 		else {
 			m_displaySurface->ClearScreen();
-			m_displaySurface->GetVideoParam().Flags().SetF1bit3(FALSE);
+			m_displaySurface->GetVideoParam().Flags().SetDoubleScaling(FALSE);
 
 			// restore previous pallete
 			RealizePalette(m_palette);
@@ -577,10 +577,10 @@ void LegoVideoManager::EnableFullScreenMovie(MxBool p_enable, MxBool p_scale)
 	}
 
 	if (p_enable) {
-		m_displaySurface->GetVideoParam().Flags().SetF1bit3(p_scale);
+		m_displaySurface->GetVideoParam().Flags().SetDoubleScaling(p_scale);
 	}
 	else {
-		m_displaySurface->GetVideoParam().Flags().SetF1bit3(FALSE);
+		m_displaySurface->GetVideoParam().Flags().SetDoubleScaling(FALSE);
 	}
 }
 
diff --git a/LEGO1/lego/sources/anim/legoanim.cpp b/LEGO1/lego/sources/anim/legoanim.cpp
index 9026c245..e0fb90b6 100644
--- a/LEGO1/lego/sources/anim/legoanim.cpp
+++ b/LEGO1/lego/sources/anim/legoanim.cpp
@@ -10,20 +10,20 @@ DECOMP_SIZE_ASSERT(LegoTranslationKey, 0x14)
 DECOMP_SIZE_ASSERT(LegoRotationKey, 0x18)
 DECOMP_SIZE_ASSERT(LegoScaleKey, 0x14)
 DECOMP_SIZE_ASSERT(LegoMorphKey, 0x0c)
-DECOMP_SIZE_ASSERT(LegoUnknownKey, 0x0c)
+DECOMP_SIZE_ASSERT(LegoRotationZKey, 0x0c)
 DECOMP_SIZE_ASSERT(LegoAnimNodeData, 0x34)
 DECOMP_SIZE_ASSERT(LegoAnimActorEntry, 0x08)
 DECOMP_SIZE_ASSERT(LegoAnimScene, 0x24)
 DECOMP_SIZE_ASSERT(LegoAnim, 0x18)
 
 // FUNCTION: LEGO1 0x1009f000
-LegoUnknownKey::LegoUnknownKey()
+LegoRotationZKey::LegoRotationZKey()
 {
 	m_z = 0.0f;
 }
 
 // FUNCTION: LEGO1 0x1009f020
-LegoResult LegoUnknownKey::Read(LegoStorage* p_storage)
+LegoResult LegoRotationZKey::Read(LegoStorage* p_storage)
 {
 	LegoResult result;
 
@@ -40,7 +40,7 @@ LegoResult LegoUnknownKey::Read(LegoStorage* p_storage)
 
 // FUNCTION: LEGO1 0x1009f060
 // FUNCTION: BETA10 0x1018133f
-LegoResult LegoUnknownKey::Write(LegoStorage* p_storage)
+LegoResult LegoRotationZKey::Write(LegoStorage* p_storage)
 {
 	LegoResult result;
 
@@ -58,33 +58,33 @@ LegoResult LegoUnknownKey::Write(LegoStorage* p_storage)
 // FUNCTION: LEGO1 0x1009f0a0
 LegoAnimScene::LegoAnimScene()
 {
-	m_unk0x00 = 0;
-	m_unk0x04 = NULL;
-	m_unk0x08 = 0;
-	m_unk0x0c = NULL;
-	m_unk0x10 = 0;
-	m_unk0x14 = NULL;
-	m_unk0x18 = 0;
-	m_unk0x1c = 0;
-	m_unk0x20 = 0;
+	m_translationKeysCount = 0;
+	m_translationKeys = NULL;
+	m_targetKeysCount = 0;
+	m_targetKeys = NULL;
+	m_rotationKeysCount = 0;
+	m_rotationKeys = NULL;
+	m_targetIndex = 0;
+	m_translationIndex = 0;
+	m_rotationIndex = 0;
 }
 
 // FUNCTION: LEGO1 0x1009f0d0
 LegoAnimScene::~LegoAnimScene()
 {
-	if (m_unk0x04 != NULL) {
-		delete[] m_unk0x04;
-		m_unk0x04 = NULL;
+	if (m_translationKeys != NULL) {
+		delete[] m_translationKeys;
+		m_translationKeys = NULL;
 	}
 
-	if (m_unk0x0c != NULL) {
-		delete[] m_unk0x0c;
-		m_unk0x0c = NULL;
+	if (m_targetKeys != NULL) {
+		delete[] m_targetKeys;
+		m_targetKeys = NULL;
 	}
 
-	if (m_unk0x14 != NULL) {
-		delete[] m_unk0x14;
-		m_unk0x14 = NULL;
+	if (m_rotationKeys != NULL) {
+		delete[] m_rotationKeys;
+		m_rotationKeys = NULL;
 	}
 }
 
@@ -95,34 +95,34 @@ LegoResult LegoAnimScene::Write(LegoStorage* p_storage)
 	LegoResult result;
 	LegoS32 i;
 
-	if ((result = p_storage->Write(&m_unk0x00, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Write(&m_translationKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x00 != 0) {
-		for (i = 0; i < m_unk0x00; i++) {
-			if ((result = m_unk0x04[i].Write(p_storage)) != SUCCESS) {
+	if (m_translationKeysCount != 0) {
+		for (i = 0; i < m_translationKeysCount; i++) {
+			if ((result = m_translationKeys[i].Write(p_storage)) != SUCCESS) {
 				return result;
 			}
 		}
 	}
 
-	if ((result = p_storage->Write(&m_unk0x08, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Write(&m_targetKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x08 != 0) {
-		for (i = 0; i < m_unk0x08; i++) {
-			if ((result = m_unk0x0c[i].Write(p_storage)) != SUCCESS) {
+	if (m_targetKeysCount != 0) {
+		for (i = 0; i < m_targetKeysCount; i++) {
+			if ((result = m_targetKeys[i].Write(p_storage)) != SUCCESS) {
 				return result;
 			}
 		}
 	}
 
-	if ((result = p_storage->Write(&m_unk0x10, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Write(&m_rotationKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x10 != 0) {
-		for (i = 0; i < m_unk0x10; i++) {
-			if ((result = m_unk0x14[i].Write(p_storage)) != SUCCESS) {
+	if (m_rotationKeysCount != 0) {
+		for (i = 0; i < m_rotationKeysCount; i++) {
+			if ((result = m_rotationKeys[i].Write(p_storage)) != SUCCESS) {
 				return result;
 			}
 		}
@@ -137,37 +137,37 @@ LegoResult LegoAnimScene::Read(LegoStorage* p_storage)
 	LegoResult result;
 	LegoS32 i;
 
-	if ((result = p_storage->Read(&m_unk0x00, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Read(&m_translationKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x00 != 0) {
-		m_unk0x04 = new LegoTranslationKey[m_unk0x00];
-		for (i = 0; i < m_unk0x00; i++) {
-			if ((result = m_unk0x04[i].Read(p_storage)) != SUCCESS) {
+	if (m_translationKeysCount != 0) {
+		m_translationKeys = new LegoTranslationKey[m_translationKeysCount];
+		for (i = 0; i < m_translationKeysCount; i++) {
+			if ((result = m_translationKeys[i].Read(p_storage)) != SUCCESS) {
 				goto done;
 			}
 		}
 	}
 
-	if ((result = p_storage->Read(&m_unk0x08, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Read(&m_targetKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x08 != 0) {
-		m_unk0x0c = new LegoTranslationKey[m_unk0x08];
-		for (i = 0; i < m_unk0x08; i++) {
-			if ((result = m_unk0x0c[i].Read(p_storage)) != SUCCESS) {
+	if (m_targetKeysCount != 0) {
+		m_targetKeys = new LegoTranslationKey[m_targetKeysCount];
+		for (i = 0; i < m_targetKeysCount; i++) {
+			if ((result = m_targetKeys[i].Read(p_storage)) != SUCCESS) {
 				goto done;
 			}
 		}
 	}
 
-	if ((result = p_storage->Read(&m_unk0x10, sizeof(LegoU16))) != SUCCESS) {
+	if ((result = p_storage->Read(&m_rotationKeysCount, sizeof(LegoU16))) != SUCCESS) {
 		return result;
 	}
-	if (m_unk0x10 != 0) {
-		m_unk0x14 = new LegoUnknownKey[m_unk0x10];
-		for (i = 0; i < m_unk0x10; i++) {
-			if ((result = m_unk0x14[i].Read(p_storage)) != SUCCESS) {
+	if (m_rotationKeysCount != 0) {
+		m_rotationKeys = new LegoRotationZKey[m_rotationKeysCount];
+		for (i = 0; i < m_rotationKeysCount; i++) {
+			if ((result = m_rotationKeys[i].Read(p_storage)) != SUCCESS) {
 				goto done;
 			}
 		}
@@ -176,22 +176,22 @@ LegoResult LegoAnimScene::Read(LegoStorage* p_storage)
 	return SUCCESS;
 
 done:
-	if (m_unk0x04 != NULL) {
-		delete[] m_unk0x04;
-		m_unk0x00 = 0;
-		m_unk0x04 = NULL;
+	if (m_translationKeys != NULL) {
+		delete[] m_translationKeys;
+		m_translationKeysCount = 0;
+		m_translationKeys = NULL;
 	}
 
-	if (m_unk0x0c != NULL) {
-		delete[] m_unk0x0c;
-		m_unk0x08 = 0;
-		m_unk0x0c = NULL;
+	if (m_targetKeys != NULL) {
+		delete[] m_targetKeys;
+		m_targetKeysCount = 0;
+		m_targetKeys = NULL;
 	}
 
-	if (m_unk0x14 != NULL) {
-		delete[] m_unk0x14;
-		m_unk0x10 = 0;
-		m_unk0x14 = NULL;
+	if (m_rotationKeys != NULL) {
+		delete[] m_rotationKeys;
+		m_rotationKeysCount = 0;
+		m_rotationKeys = NULL;
 	}
 
 	return result;
@@ -199,82 +199,95 @@ LegoResult LegoAnimScene::Read(LegoStorage* p_storage)
 
 // FUNCTION: LEGO1 0x1009f490
 // FUNCTION: BETA10 0x10181a83
-LegoResult LegoAnimScene::FUN_1009f490(LegoFloat p_time, Matrix4& p_matrix)
+LegoResult LegoAnimScene::CalculateCameraTransform(LegoFloat p_time, Matrix4& p_matrix)
 {
-	MxMatrix localb0;
-	MxMatrix local4c;
+	MxMatrix tempMatrix;
+	MxMatrix original;
 
-	Vector3 local5c(localb0[0]);
-	Vector3 local68(localb0[1]);
-	Vector3 local54(localb0[2]);
-	Vector3 localb8(localb0[3]);
+	Vector3 column0(tempMatrix[0]);
+	Vector3 column1(tempMatrix[1]);
+	Vector3 column2(tempMatrix[2]);
+	Vector3 column3(tempMatrix[3]);
 
-	Mx3DPointFloat localcc;
+	Mx3DPointFloat tempTranslation;
 
-	localb0.SetIdentity();
+	tempMatrix.SetIdentity();
 
-	LegoU32 local60;
-	if (m_unk0x08 != 0) {
-		local60 = GetUnknown0x18();
-		LegoAnimNodeData::GetTranslation(m_unk0x08, m_unk0x0c, p_time, localb0, local60);
-		SetUnknown0x18(local60);
-		localcc = localb8;
-		localb8.Clear();
+	LegoU32 translationIndex;
+	if (m_targetKeysCount != 0) {
+		translationIndex = GetTargetIndex();
+		LegoAnimNodeData::GetTranslation(m_targetKeysCount, m_targetKeys, p_time, tempMatrix, translationIndex);
+		SetTargetIndex(translationIndex);
+		tempTranslation = column3;
+		column3.Clear();
 	}
 
-	if (m_unk0x00 != 0) {
-		local60 = GetUnknown0x1c();
-		LegoAnimNodeData::GetTranslation(m_unk0x00, m_unk0x04, p_time, localb0, local60);
-		SetUnknown0x1c(local60);
+	if (m_translationKeysCount != 0) {
+		translationIndex = GetTranslationIndex();
+		LegoAnimNodeData::GetTranslation(
+			m_translationKeysCount,
+			m_translationKeys,
+			p_time,
+			tempMatrix,
+			translationIndex
+		);
+		SetTranslationIndex(translationIndex);
 	}
 
-	local54 = localcc;
-	local54 -= localb8;
+	column2 = tempTranslation;
+	column2 -= column3;
 
-	if (local54.Unitize() == 0) {
-		local5c.EqualsCross(local68, local54);
+	if (column2.Unitize() == 0) {
+		column0.EqualsCross(column1, column2);
 
-		if (local5c.Unitize() == 0) {
-			local68.EqualsCross(local54, local5c);
+		if (column0.Unitize() == 0) {
+			column1.EqualsCross(column2, column0);
 
-			localcc = p_matrix[3];
-			localcc += localb0[3];
+			tempTranslation = p_matrix[3];
+			tempTranslation += tempMatrix[3];
 
-			p_matrix[3][0] = p_matrix[3][1] = p_matrix[3][2] = localb0[3][0] = localb0[3][1] = localb0[3][2] = 0;
+			p_matrix[3][0] = p_matrix[3][1] = p_matrix[3][2] = tempMatrix[3][0] = tempMatrix[3][1] = tempMatrix[3][2] =
+				0;
 
-			if (m_unk0x10 != 0) {
-				LegoU32 locald0 = -1;
-				LegoU32 locald8;
-				locald0 = GetUnknown0x20();
+			if (m_rotationKeysCount != 0) {
+				LegoU32 old_index = -1;
+				LegoU32 i;
+				old_index = GetRotationIndex();
 
-				LegoU32 localdc =
-					LegoAnimNodeData::FindKeys(p_time, m_unk0x10, m_unk0x14, sizeof(*m_unk0x14), locald8, locald0);
+				LegoU32 count = LegoAnimNodeData::FindKeys(
+					p_time,
+					m_rotationKeysCount,
+					m_rotationKeys,
+					sizeof(*m_rotationKeys),
+					i,
+					old_index
+				);
 
-				SetUnknown0x20(locald0);
+				SetRotationIndex(old_index);
 
-				switch (localdc) {
+				switch (count) {
 				case 1:
-					p_matrix.RotateZ(m_unk0x14[locald8].GetZ());
+					p_matrix.RotateZ(m_rotationKeys[i].GetZ());
 					break;
 				case 2:
 					// Seems to be unused
 					LegoFloat z = LegoAnimNodeData::Interpolate(
 						p_time,
-						m_unk0x14[locald8],
-						m_unk0x14[locald8].GetZ(),
-						m_unk0x14[locald8 + 1],
-						m_unk0x14[locald8 + 1].GetZ()
+						m_rotationKeys[i],
+						m_rotationKeys[i].GetZ(),
+						m_rotationKeys[i + 1],
+						m_rotationKeys[i + 1].GetZ()
 					);
-					p_matrix.RotateZ(m_unk0x14[locald8].GetZ());
+					p_matrix.RotateZ(m_rotationKeys[i].GetZ());
 					break;
 				}
 			}
 
-			local4c = p_matrix;
-			p_matrix.Product(local4c.GetData(), localb0.GetData());
-			p_matrix[3][0] = localcc[0];
-			p_matrix[3][1] = localcc[1];
-			p_matrix[3][2] = localcc[2];
+			original = p_matrix;
+			p_matrix.Product(original.GetData(), tempMatrix.GetData());
+			p_matrix[3][0] = tempTranslation[0];
+			p_matrix[3][1] = tempTranslation[1];
+			p_matrix[3][2] = tempTranslation[2];
 		}
 	}
 
diff --git a/LEGO1/lego/sources/anim/legoanim.h b/LEGO1/lego/sources/anim/legoanim.h
index 7a03d99c..1c297c4d 100644
--- a/LEGO1/lego/sources/anim/legoanim.h
+++ b/LEGO1/lego/sources/anim/legoanim.h
@@ -137,9 +137,9 @@ class LegoMorphKey : public LegoAnimKey {
 };
 
 // SIZE 0x0c
-class LegoUnknownKey : public LegoAnimKey {
+class LegoRotationZKey : public LegoAnimKey {
 public:
-	LegoUnknownKey();
+	LegoRotationZKey();
 	LegoResult Read(LegoStorage* p_storage);
 	LegoResult Write(LegoStorage* p_storage);
 
@@ -309,26 +309,26 @@ class LegoAnimScene {
 	~LegoAnimScene();
 	LegoResult Read(LegoStorage* p_storage);
 	LegoResult Write(LegoStorage* p_storage);
-	LegoResult FUN_1009f490(LegoFloat p_time, Matrix4& p_matrix);
+	LegoResult CalculateCameraTransform(LegoFloat p_time, Matrix4& p_matrix);
 
-	LegoU32 GetUnknown0x18() { return m_unk0x18; }
-	LegoU32 GetUnknown0x1c() { return m_unk0x1c; }
-	LegoU32 GetUnknown0x20() { return m_unk0x20; }
+	LegoU32 GetTargetIndex() { return m_targetIndex; }
+	LegoU32 GetTranslationIndex() { return m_translationIndex; }
+	LegoU32 GetRotationIndex() { return m_rotationIndex; }
 
-	void SetUnknown0x18(LegoU32 p_unk0x18) { m_unk0x18 = p_unk0x18; }
-	void SetUnknown0x1c(LegoU32 p_unk0x1c) { m_unk0x1c = p_unk0x1c; }
-	void SetUnknown0x20(LegoU32 p_unk0x20) { m_unk0x20 = p_unk0x20; }
+	void SetTargetIndex(LegoU32 p_targetIndex) { m_targetIndex = p_targetIndex; }
+	void SetTranslationIndex(LegoU32 p_translationIndex) { m_translationIndex = p_translationIndex; }
+	void SetRotationIndex(LegoU32 p_rotationIndex) { m_rotationIndex = p_rotationIndex; }
 
 private:
-	LegoU16 m_unk0x00;             // 0x00
-	LegoTranslationKey* m_unk0x04; // 0x04
-	LegoU16 m_unk0x08;             // 0x08
-	LegoTranslationKey* m_unk0x0c; // 0x0c
-	LegoU16 m_unk0x10;             // 0x10
-	LegoUnknownKey* m_unk0x14;     // 0x14
-	LegoU32 m_unk0x18;             // 0x18
-	LegoU32 m_unk0x1c;             // 0x1c
-	LegoU32 m_unk0x20;             // 0x20
+	LegoU16 m_translationKeysCount;        // 0x00
+	LegoTranslationKey* m_translationKeys; // 0x04
+	LegoU16 m_targetKeysCount;             // 0x08
+	LegoTranslationKey* m_targetKeys;      // 0x0c
+	LegoU16 m_rotationKeysCount;           // 0x10
+	LegoRotationZKey* m_rotationKeys;      // 0x14
+	LegoU32 m_targetIndex;                 // 0x18
+	LegoU32 m_translationIndex;            // 0x1c
+	LegoU32 m_rotationIndex;               // 0x20
 };
 
 // VTABLE: LEGO1 0x100db8d8
diff --git a/LEGO1/lego1_pch.h b/LEGO1/lego1_pch.h
index d70fc961..40c5db6c 100644
--- a/LEGO1/lego1_pch.h
+++ b/LEGO1/lego1_pch.h
@@ -236,7 +236,6 @@
 #include "omni/include/mxlist.h"
 #include "omni/include/mxloopingflcpresenter.h"
 #include "omni/include/mxloopingsmkpresenter.h"
-#include "omni/include/mxmediamanager.h"
 #include "omni/include/mxmediapresenter.h"
 #include "omni/include/mxmemorypool.h"
 #include "omni/include/mxmisc.h"
@@ -249,6 +248,7 @@
 #include "omni/include/mxomnicreateparam.h"
 #include "omni/include/mxpalette.h"
 #include "omni/include/mxparam.h"
+#include "omni/include/mxpresentationmanager.h"
 #include "omni/include/mxpresenter.h"
 #include "omni/include/mxpresenterlist.h"
 #include "omni/include/mxqueue.h"
diff --git a/LEGO1/omni/include/mxaudiomanager.h b/LEGO1/omni/include/mxaudiomanager.h
index f962a16d..bab1f553 100644
--- a/LEGO1/omni/include/mxaudiomanager.h
+++ b/LEGO1/omni/include/mxaudiomanager.h
@@ -2,11 +2,12 @@
 #define MXAUDIOMANAGER_H
 
 #include "decomp.h"
-#include "mxmediamanager.h"
+#include "mxpresentationmanager.h"
 
 // VTABLE: LEGO1 0x100dc6e0
+// VTABLE: BETA10 0x101c2348
 // SIZE 0x30
-class MxAudioManager : public MxMediaManager {
+class MxAudioManager : public MxPresentationManager {
 public:
 	MxAudioManager();
 	~MxAudioManager() override;
@@ -15,11 +16,13 @@ class MxAudioManager : public MxMediaManager {
 	void Destroy() override;    // vtable+18
 
 	// FUNCTION: LEGO1 0x10029910
+	// FUNCTION: BETA10 0x100d0630
 	virtual MxS32 GetVolume() { return m_volume; } // vtable+28
 
 	virtual void SetVolume(MxS32 p_volume); // vtable+2c
 
 	// SYNTHETIC: LEGO1 0x100b8d70
+	// SYNTHETIC: BETA10 0x10145110
 	// MxAudioManager::`scalar deleting destructor'
 
 private:
diff --git a/LEGO1/omni/include/mxeventmanager.h b/LEGO1/omni/include/mxeventmanager.h
index b23a2ad0..f17f886d 100644
--- a/LEGO1/omni/include/mxeventmanager.h
+++ b/LEGO1/omni/include/mxeventmanager.h
@@ -2,11 +2,11 @@
 #define MXEVENTMANAGER_H
 
 #include "decomp.h"
-#include "mxmediamanager.h"
+#include "mxpresentationmanager.h"
 
 // VTABLE: LEGO1 0x100dc900
 // SIZE 0x2c
-class MxEventManager : public MxMediaManager {
+class MxEventManager : public MxPresentationManager {
 public:
 	MxEventManager();
 	~MxEventManager() override;
diff --git a/LEGO1/omni/include/mxmediamanager.h b/LEGO1/omni/include/mxpresentationmanager.h
similarity index 71%
rename from LEGO1/omni/include/mxmediamanager.h
rename to LEGO1/omni/include/mxpresentationmanager.h
index 38f611eb..f0740e6e 100644
--- a/LEGO1/omni/include/mxmediamanager.h
+++ b/LEGO1/omni/include/mxpresentationmanager.h
@@ -1,5 +1,5 @@
-#ifndef MXMEDIAMANGER_H
-#define MXMEDIAMANGER_H
+#ifndef MXPRESENTATIONMANAGER_H
+#define MXPRESENTATIONMANAGER_H
 
 #include "mxcore.h"
 #include "mxcriticalsection.h"
@@ -9,11 +9,12 @@
 class MxThread;
 
 // VTABLE: LEGO1 0x100dc6b0
+// VTABLE: BETA10 0x101c2318
 // SIZE 0x2c
-class MxMediaManager : public MxCore {
+class MxPresentationManager : public MxCore {
 public:
-	MxMediaManager();
-	~MxMediaManager() override;
+	MxPresentationManager();
+	~MxPresentationManager() override;
 
 	MxResult Tickle() override;                                 // vtable+08
 	virtual MxResult Create();                                  // vtable+14
@@ -25,7 +26,8 @@ class MxMediaManager : public MxCore {
 	MxResult Init();
 
 	// SYNTHETIC: LEGO1 0x100b8540
-	// MxMediaManager::`scalar deleting destructor'
+	// SYNTHETIC: BETA10 0x10144db0
+	// MxPresentationManager::`scalar deleting destructor'
 
 protected:
 	MxPresenterList* m_presenters;       // 0x08
@@ -33,4 +35,4 @@ class MxMediaManager : public MxCore {
 	MxCriticalSection m_criticalSection; // 0x10
 };
 
-#endif // MXMEDIAMANGER_H
+#endif // MXPRESENTATIONMANAGER_H
diff --git a/LEGO1/omni/include/mxpresenterlist.h b/LEGO1/omni/include/mxpresenterlist.h
index 0e8bd316..7d3000cc 100644
--- a/LEGO1/omni/include/mxpresenterlist.h
+++ b/LEGO1/omni/include/mxpresenterlist.h
@@ -5,12 +5,15 @@
 #include "mxpresenter.h"
 
 // VTABLE: LEGO1 0x100d62f0
+// VTABLE: BETA10 0x101bf070
 // class MxPtrList<MxPresenter>
 
 // VTABLE: LEGO1 0x100d6308
+// VTABLE: BETA10 0x101bf050
 // SIZE 0x18
 class MxPresenterList : public MxPtrList<MxPresenter> {
 public:
+	// FUNCTION: BETA10 0x100dc900
 	MxPresenterList(MxBool p_ownership = FALSE) : MxPtrList<MxPresenter>(p_ownership) {}
 
 	// FUNCTION: LEGO1 0x1001cd00
@@ -35,6 +38,13 @@ class MxPresenterListCursor : public MxPtrListCursor<MxPresenter> {
 public:
 	// FUNCTION: BETA10 0x1007d130
 	MxPresenterListCursor(MxPresenterList* p_list) : MxPtrListCursor<MxPresenter>(p_list) {}
+
+	// SYNTHETIC: LEGO1 0x1001eed0
+	// MxPresenterListCursor::`scalar deleting destructor'
+
+	// SYNTHETIC: LEGO1 0x1001f0c0
+	// SYNTHETIC: BETA10 0x1007d510
+	// MxPresenterListCursor::~MxPresenterListCursor
 };
 
 // VTABLE: LEGO1 0x100d6350
@@ -58,7 +68,11 @@ class MxPresenterListCursor : public MxPtrListCursor<MxPresenter> {
 // TEMPLATE: LEGO1 0x1001ce20
 // MxList<MxPresenter *>::~MxList<MxPresenter *>
 
+// TEMPLATE: BETA10 0x100dc9f0
+// MxPtrList<MxPresenter>::MxPtrList<MxPresenter>
+
 // TEMPLATE: LEGO1 0x1001cf20
+// TEMPLATE: BETA10 0x100dce70
 // MxPtrList<MxPresenter>::~MxPtrList<MxPresenter>
 
 // SYNTHETIC: LEGO1 0x1001cf70
@@ -73,10 +87,8 @@ class MxPresenterListCursor : public MxPtrListCursor<MxPresenter> {
 // SYNTHETIC: LEGO1 0x1001d100
 // MxPresenterList::~MxPresenterList
 
-// SYNTHETIC: LEGO1 0x1001eed0
-// MxPresenterListCursor::`scalar deleting destructor'
-
 // TEMPLATE: LEGO1 0x1001ef40
+// TEMPLATE: BETA10 0x1007d370
 // MxPtrListCursor<MxPresenter>::~MxPtrListCursor<MxPresenter>
 
 // SYNTHETIC: LEGO1 0x1001ef90
@@ -86,11 +98,9 @@ class MxPresenterListCursor : public MxPtrListCursor<MxPresenter> {
 // MxPtrListCursor<MxPresenter>::`scalar deleting destructor'
 
 // TEMPLATE: LEGO1 0x1001f070
+// TEMPLATE: BETA10 0x1007d490
 // MxListCursor<MxPresenter *>::~MxListCursor<MxPresenter *>
 
-// FUNCTION: LEGO1 0x1001f0c0
-// MxPresenterListCursor::~MxPresenterListCursor
-
 // TEMPLATE: LEGO1 0x10020760
 // MxListCursor<MxPresenter *>::MxListCursor<MxPresenter *>
 
@@ -106,6 +116,18 @@ class MxPresenterListCursor : public MxPtrListCursor<MxPresenter> {
 // TEMPLATE: BETA10 0x1007d270
 // MxListCursor<MxPresenter *>::MxListCursor<MxPresenter *>
 
+// TEMPLATE: BETA10 0x1007dc60
+// MxListCursor<MxPresenter *>::Next
+
+// TEMPLATE: BETA10 0x100d8f20
+// MxListCursor<MxPresenter *>::Reset
+
+// TEMPLATE: BETA10 0x1007e070
+// MxListEntry<MxPresenter *>::GetNext
+
+// TEMPLATE: BETA10 0x1007e0a0
+// MxListEntry<MxPresenter *>::GetValue
+
 // TEMPLATE: BETA10 0x100d9420
 // ?Prev@?$MxListCursor@PAVMxPresenter@@@@QAEEAAPAVMxPresenter@@@Z
 
diff --git a/LEGO1/omni/include/mxsemaphore.h b/LEGO1/omni/include/mxsemaphore.h
index 1d43009a..fd8b60b0 100644
--- a/LEGO1/omni/include/mxsemaphore.h
+++ b/LEGO1/omni/include/mxsemaphore.h
@@ -6,17 +6,20 @@
 #include <SDL3/SDL_mutex.h>
 
 // VTABLE: LEGO1 0x100dccf0
+// VTABLE: BETA10 0x101c28ac
 // SIZE 0x08
 class MxSemaphore {
 public:
 	MxSemaphore();
 
 	// FUNCTION: LEGO1 0x100c87e0
+	// FUNCTION: BETA10 0x101592a9
 	~MxSemaphore() { SDL_DestroySemaphore(m_semaphore); }
 
 	virtual MxResult Init(MxU32 p_initialCount, MxU32 p_maxCount);
 
-	void Wait();
+	void Acquire();
+	void TryAcquire();
 	void Release();
 
 private:
diff --git a/LEGO1/omni/include/mxsoundmanager.h b/LEGO1/omni/include/mxsoundmanager.h
index 4aad00f5..569a7ff1 100644
--- a/LEGO1/omni/include/mxsoundmanager.h
+++ b/LEGO1/omni/include/mxsoundmanager.h
@@ -28,6 +28,10 @@ class MxSoundManager : public MxAudioManager {
 
 	MxPresenter* FindPresenter(const MxAtomId& p_atomId, MxU32 p_objectId);
 
+	// SYNTHETIC: LEGO1 0x100ae7b0
+	// SYNTHETIC: BETA10 0x10133460
+	// MxSoundManager::`scalar deleting destructor'
+
 protected:
 	void Init();
 	void Destroy(MxBool p_fromDestructor);
@@ -49,7 +53,4 @@ class MxSoundManager : public MxAudioManager {
 	undefined m_unk0x38[4];
 };
 
-// SYNTHETIC: LEGO1 0x100ae7b0
-// MxSoundManager::`scalar deleting destructor'
-
 #endif // MXSOUNDMANAGER_H
diff --git a/LEGO1/omni/include/mxthread.h b/LEGO1/omni/include/mxthread.h
index 8afa4454..0772dc65 100644
--- a/LEGO1/omni/include/mxthread.h
+++ b/LEGO1/omni/include/mxthread.h
@@ -10,6 +10,7 @@
 class MxCore;
 
 // VTABLE: LEGO1 0x100dc860
+// VTABLE: BETA10 0x101c23e8
 // SIZE 0x1c
 class MxThread {
 public:
@@ -21,9 +22,16 @@ class MxThread {
 	void Terminate();
 	void Sleep(MxS32 p_milliseconds);
 
+	void ResumeThread();
+	void SuspendThread();
+	bool TerminateThread(MxU32 p_exitCode);
+	MxS32 GetThreadPriority(MxU16& p_priority);
+	bool SetThreadPriority(MxU16 p_priority);
+
 	MxBool IsRunning() { return m_running; }
 
 	// SYNTHETIC: LEGO1 0x100bf580
+	// SYNTHETIC: BETA10 0x10147880
 	// MxThread::`scalar deleting destructor'
 
 protected:
diff --git a/LEGO1/omni/include/mxvariable.h b/LEGO1/omni/include/mxvariable.h
index 8949833f..9eda281f 100644
--- a/LEGO1/omni/include/mxvariable.h
+++ b/LEGO1/omni/include/mxvariable.h
@@ -9,6 +9,7 @@
 // SIZE 0x24
 class MxVariable {
 public:
+	// FUNCTION: BETA10 0x1007b750
 	MxVariable() {}
 
 	// FUNCTION: BETA10 0x1012a840
@@ -41,12 +42,16 @@ class MxVariable {
 	// FUNCTION: BETA10 0x1012a7f0
 	const MxString* GetKey() const { return &m_key; }
 
+	// SYNTHETIC: BETA10 0x1007b8c0
+	// MxVariable::`scalar deleting destructor'
+
 protected:
 	MxString m_key;   // 0x04
 	MxString m_value; // 0x14
 };
 
 // SYNTHETIC: LEGO1 0x1003bf40
+// SYNTHETIC: BETA10 0x1007b910
 // MxVariable::~MxVariable
 
 #endif // MXVARIABLE_H
diff --git a/LEGO1/omni/include/mxvideomanager.h b/LEGO1/omni/include/mxvideomanager.h
index 04855a10..08632f74 100644
--- a/LEGO1/omni/include/mxvideomanager.h
+++ b/LEGO1/omni/include/mxvideomanager.h
@@ -1,7 +1,7 @@
 #ifndef MXVIDEOMANAGER_H
 #define MXVIDEOMANAGER_H
 
-#include "mxmediamanager.h"
+#include "mxpresentationmanager.h"
 #include "mxvideoparam.h"
 
 #ifdef MINIWIN
@@ -15,8 +15,9 @@ class MxRect32;
 class MxRegion;
 
 // VTABLE: LEGO1 0x100dc810
+// VTABLE: BETA10 0x101c1bf8
 // SIZE 0x64
-class MxVideoManager : public MxMediaManager {
+class MxVideoManager : public MxPresentationManager {
 public:
 	MxVideoManager();
 	~MxVideoManager() override;
@@ -52,6 +53,7 @@ class MxVideoManager : public MxMediaManager {
 	MxRegion* GetRegion() { return this->m_region; }
 
 	// SYNTHETIC: LEGO1 0x100be280
+	// SYNTHETIC: BETA10 0x1012de00
 	// MxVideoManager::`scalar deleting destructor'
 
 protected:
diff --git a/LEGO1/omni/include/mxvideoparamflags.h b/LEGO1/omni/include/mxvideoparamflags.h
index 4fef2145..6158c4d7 100644
--- a/LEGO1/omni/include/mxvideoparamflags.h
+++ b/LEGO1/omni/include/mxvideoparamflags.h
@@ -24,7 +24,7 @@ class MxVideoParamFlags {
 	void SetBackBuffers(MxBool p_e) { m_flags1.m_bit2 = p_e; }
 
 	// FUNCTION: BETA10 0x100d9250
-	void SetF1bit3(MxBool p_e) { m_flags1.m_bit3 = p_e; }
+	void SetDoubleScaling(MxBool p_e) { m_flags1.m_bit3 = p_e; }
 
 	// inlined in ISLE
 	void Set16Bit(MxBool p_e) { m_flags1.m_bit5 = p_e; }
@@ -39,7 +39,7 @@ class MxVideoParamFlags {
 	void SetLacksLightSupport(MxBool p_e) { m_flags2.m_bit0 = p_e; }
 
 	// inlined in ISLE
-	void SetF2bit1(MxBool p_e) { m_flags2.m_bit1 = p_e; }
+	void SetEnabled(MxBool p_e) { m_flags2.m_bit1 = p_e; }
 
 	// FUNCTION: BETA10 0x1009e770
 	MxBool GetFullScreen() { return m_flags1.m_bit0; }
@@ -51,7 +51,7 @@ class MxVideoParamFlags {
 	MxBool GetBackBuffers() { return m_flags1.m_bit2; }
 
 	// FUNCTION: BETA10 0x10142010
-	MxBool GetF1bit3() { return m_flags1.m_bit3; }
+	MxBool GetDoubleScaling() { return m_flags1.m_bit3; }
 
 	// FUNCTION: BETA10 0x100d8150
 	MxBool Get16Bit() { return m_flags1.m_bit5; }
@@ -63,7 +63,7 @@ class MxVideoParamFlags {
 	MxBool GetLacksLightSupport() { return m_flags2.m_bit0; }
 
 	// FUNCTION: BETA10 0x10142050
-	MxBool GetF2bit1() { return m_flags2.m_bit1; }
+	MxBool GetEnabled() { return m_flags2.m_bit1; }
 
 private:
 	FlagBitfield m_flags1;
diff --git a/LEGO1/omni/src/audio/mxaudiomanager.cpp b/LEGO1/omni/src/audio/mxaudiomanager.cpp
index 34b52eda..3cef829a 100644
--- a/LEGO1/omni/src/audio/mxaudiomanager.cpp
+++ b/LEGO1/omni/src/audio/mxaudiomanager.cpp
@@ -3,27 +3,32 @@
 DECOMP_SIZE_ASSERT(MxAudioManager, 0x30);
 
 // GLOBAL: LEGO1 0x10102108
+// GLOBAL: BETA10 0x10203a60
 MxS32 MxAudioManager::g_count = 0;
 
 // FUNCTION: LEGO1 0x100b8d00
+// FUNCTION: BETA10 0x10144e90
 MxAudioManager::MxAudioManager()
 {
 	Init();
 }
 
 // FUNCTION: LEGO1 0x100b8d90
+// STUB: BETA10 0x10144f07
 MxAudioManager::~MxAudioManager()
 {
 	Destroy(TRUE);
 }
 
 // FUNCTION: LEGO1 0x100b8df0
+// FUNCTION: BETA10 0x10144f79
 void MxAudioManager::Init()
 {
 	m_volume = 100;
 }
 
 // FUNCTION: LEGO1 0x100b8e00
+// FUNCTION: BETA10 0x10144f9c
 void MxAudioManager::Destroy(MxBool p_fromDestructor)
 {
 	ENTER(m_criticalSection);
@@ -32,17 +37,49 @@ void MxAudioManager::Destroy(MxBool p_fromDestructor)
 	m_criticalSection.Leave();
 
 	if (!p_fromDestructor) {
-		MxMediaManager::Destroy();
+		MxPresentationManager::Destroy();
 	}
 }
 
+#ifdef BETA10
+// FUNCTION: BETA10 0x10144ffe
+MxResult MxAudioManager::Create()
+{
+	MxResult result = FAILURE;
+	MxBool success = FALSE;
+
+	if (MxPresentationManager::Create() != SUCCESS) {
+		goto exit;
+	}
+
+	ENTER(m_criticalSection);
+	success = TRUE;
+
+	if (!g_count++) {
+		// This is correct. It was likely refactored later.
+	}
+
+exit:
+	result = SUCCESS;
+
+	if (result) {
+		Destroy();
+	}
+
+	if (success) {
+		m_criticalSection.Leave();
+	}
+
+	return result;
+}
+#else
 // FUNCTION: LEGO1 0x100b8e40
 MxResult MxAudioManager::Create()
 {
 	MxResult result = FAILURE;
 	MxBool success = FALSE;
 
-	if (MxMediaManager::Create() == SUCCESS) {
+	if (MxPresentationManager::Create() == SUCCESS) {
 		ENTER(m_criticalSection);
 		success = TRUE;
 		result = SUCCESS;
@@ -59,14 +96,17 @@ MxResult MxAudioManager::Create()
 
 	return result;
 }
+#endif
 
 // FUNCTION: LEGO1 0x100b8e90
+// FUNCTION: BETA10 0x101450a7
 void MxAudioManager::Destroy()
 {
 	Destroy(FALSE);
 }
 
 // FUNCTION: LEGO1 0x100b8ea0
+// FUNCTION: BETA10 0x101450c7
 void MxAudioManager::SetVolume(MxS32 p_volume)
 {
 	ENTER(m_criticalSection);
diff --git a/LEGO1/omni/src/audio/mxsoundmanager.cpp b/LEGO1/omni/src/audio/mxsoundmanager.cpp
index b04e105c..dab79698 100644
--- a/LEGO1/omni/src/audio/mxsoundmanager.cpp
+++ b/LEGO1/omni/src/audio/mxsoundmanager.cpp
@@ -25,18 +25,21 @@ MxS32 g_volumeAttenuation[100] = {-6643, -5643, -5058, -4643, -4321, -4058, -383
 								  -43,   -29,   -14,   0};
 
 // FUNCTION: LEGO1 0x100ae740
+// FUNCTION: BETA10 0x10132c70
 MxSoundManager::MxSoundManager()
 {
 	Init();
 }
 
 // FUNCTION: LEGO1 0x100ae7d0
+// FUNCTION: BETA10 0x10132ce7
 MxSoundManager::~MxSoundManager()
 {
 	Destroy(TRUE);
 }
 
 // FUNCTION: LEGO1 0x100ae830
+// FUNCTION: BETA10 0x10132d59
 void MxSoundManager::Init()
 {
 	SDL_zero(m_engine);
@@ -44,6 +47,7 @@ void MxSoundManager::Init()
 }
 
 // FUNCTION: LEGO1 0x100ae840
+// FUNCTION: BETA10 0x10132d89
 void MxSoundManager::Destroy(MxBool p_fromDestructor)
 {
 	if (m_thread) {
@@ -157,12 +161,14 @@ void MxSoundManager::AudioStreamCallback(
 }
 
 // FUNCTION: LEGO1 0x100aeab0
+// FUNCTION: BETA10 0x101331e3
 void MxSoundManager::Destroy()
 {
 	Destroy(FALSE);
 }
 
 // FUNCTION: LEGO1 0x100aeac0
+// FUNCTION: BETA10 0x10133203
 void MxSoundManager::SetVolume(MxS32 p_volume)
 {
 	MxAudioManager::SetVolume(p_volume);
@@ -180,6 +186,7 @@ void MxSoundManager::SetVolume(MxS32 p_volume)
 }
 
 // FUNCTION: LEGO1 0x100aebd0
+// FUNCTION: BETA10 0x101332cf
 MxPresenter* MxSoundManager::FindPresenter(const MxAtomId& p_atomId, MxU32 p_objectId)
 {
 	AUTOLOCK(m_criticalSection);
@@ -188,8 +195,7 @@ MxPresenter* MxSoundManager::FindPresenter(const MxAtomId& p_atomId, MxU32 p_obj
 	MxPresenterListCursor cursor(m_presenters);
 
 	while (cursor.Next(presenter)) {
-		if (presenter->GetAction()->GetAtomId().GetInternal() == p_atomId.GetInternal() &&
-			presenter->GetAction()->GetObjectId() == p_objectId) {
+		if (presenter->GetAction()->GetAtomId() == p_atomId && presenter->GetAction()->GetObjectId() == p_objectId) {
 			return presenter;
 		}
 	}
diff --git a/LEGO1/omni/src/common/mxmediapresenter.cpp b/LEGO1/omni/src/common/mxmediapresenter.cpp
index c8b9abcd..11621f71 100644
--- a/LEGO1/omni/src/common/mxmediapresenter.cpp
+++ b/LEGO1/omni/src/common/mxmediapresenter.cpp
@@ -131,6 +131,7 @@ MxResult MxMediaPresenter::StartAction(MxStreamController* p_controller, MxDSAct
 }
 
 // FUNCTION: LEGO1 0x100b5bc0
+// STUB: BETA10 0x1013623c
 void MxMediaPresenter::EndAction()
 {
 	AUTOLOCK(m_criticalSection);
diff --git a/LEGO1/omni/src/common/mxmediamanager.cpp b/LEGO1/omni/src/common/mxpresentationmanager.cpp
similarity index 62%
rename from LEGO1/omni/src/common/mxmediamanager.cpp
rename to LEGO1/omni/src/common/mxpresentationmanager.cpp
index cc1611ae..6ef8448e 100644
--- a/LEGO1/omni/src/common/mxmediamanager.cpp
+++ b/LEGO1/omni/src/common/mxpresentationmanager.cpp
@@ -1,4 +1,4 @@
-#include "mxmediamanager.h"
+#include "mxpresentationmanager.h"
 
 #include "decomp.h"
 #include "mxautolock.h"
@@ -6,24 +6,27 @@
 #include "mxpresenter.h"
 #include "mxticklemanager.h"
 
-DECOMP_SIZE_ASSERT(MxMediaManager, 0x2c);
+DECOMP_SIZE_ASSERT(MxPresentationManager, 0x2c);
 DECOMP_SIZE_ASSERT(MxPresenterList, 0x18);
 DECOMP_SIZE_ASSERT(MxPresenterListCursor, 0x10);
 
 // FUNCTION: LEGO1 0x100b84c0
-MxMediaManager::MxMediaManager()
+// FUNCTION: BETA10 0x10144680
+MxPresentationManager::MxPresentationManager()
 {
 	Init();
 }
 
 // FUNCTION: LEGO1 0x100b8560
-MxMediaManager::~MxMediaManager()
+// FUNCTION: BETA10 0x10144712
+MxPresentationManager::~MxPresentationManager()
 {
 	Destroy();
 }
 
 // FUNCTION: LEGO1 0x100b85d0
-MxResult MxMediaManager::Init()
+// FUNCTION: BETA10 0x1014479b
+MxResult MxPresentationManager::Init()
 {
 	this->m_presenters = NULL;
 	this->m_thread = NULL;
@@ -31,8 +34,10 @@ MxResult MxMediaManager::Init()
 }
 
 // FUNCTION: LEGO1 0x100b85e0
-MxResult MxMediaManager::Create()
+// FUNCTION: BETA10 0x101447c5
+MxResult MxPresentationManager::Create()
 {
+	// This validates the name of the source code file (and hence also the name of the class)
 	AUTOLOCK(m_criticalSection);
 
 	this->m_presenters = new MxPresenterList;
@@ -46,7 +51,8 @@ MxResult MxMediaManager::Create()
 }
 
 // FUNCTION: LEGO1 0x100b8710
-void MxMediaManager::Destroy()
+// FUNCTION: BETA10 0x101448e4
+void MxPresentationManager::Destroy()
 {
 	AUTOLOCK(m_criticalSection);
 
@@ -58,7 +64,8 @@ void MxMediaManager::Destroy()
 }
 
 // FUNCTION: LEGO1 0x100b8790
-MxResult MxMediaManager::Tickle()
+// FUNCTION: BETA10 0x10144993
+MxResult MxPresentationManager::Tickle()
 {
 	AUTOLOCK(m_criticalSection);
 	MxPresenter* presenter;
@@ -78,7 +85,8 @@ MxResult MxMediaManager::Tickle()
 }
 
 // FUNCTION: LEGO1 0x100b88c0
-void MxMediaManager::RegisterPresenter(MxPresenter& p_presenter)
+// FUNCTION: BETA10 0x10144a8b
+void MxPresentationManager::RegisterPresenter(MxPresenter& p_presenter)
 {
 	AUTOLOCK(m_criticalSection);
 
@@ -86,7 +94,8 @@ void MxMediaManager::RegisterPresenter(MxPresenter& p_presenter)
 }
 
 // FUNCTION: LEGO1 0x100b8980
-void MxMediaManager::UnregisterPresenter(MxPresenter& p_presenter)
+// FUNCTION: BETA10 0x10144b0c
+void MxPresentationManager::UnregisterPresenter(MxPresenter& p_presenter)
 {
 	AUTOLOCK(m_criticalSection);
 	MxPresenterListCursor cursor(this->m_presenters);
@@ -97,7 +106,8 @@ void MxMediaManager::UnregisterPresenter(MxPresenter& p_presenter)
 }
 
 // FUNCTION: LEGO1 0x100b8ac0
-void MxMediaManager::StopPresenters()
+// FUNCTION: BETA10 0x10144bc3
+void MxPresentationManager::StopPresenters()
 {
 	AUTOLOCK(m_criticalSection);
 	MxPresenter* presenter;
diff --git a/LEGO1/omni/src/event/mxeventmanager.cpp b/LEGO1/omni/src/event/mxeventmanager.cpp
index 2c38a123..91a22abb 100644
--- a/LEGO1/omni/src/event/mxeventmanager.cpp
+++ b/LEGO1/omni/src/event/mxeventmanager.cpp
@@ -35,7 +35,7 @@ void MxEventManager::Destroy(MxBool p_fromDestructor)
 	}
 
 	if (!p_fromDestructor) {
-		MxMediaManager::Destroy();
+		MxPresentationManager::Destroy();
 	}
 }
 
@@ -45,7 +45,7 @@ MxResult MxEventManager::Create(MxU32 p_frequencyMS, MxBool p_createThread)
 	MxResult status = FAILURE;
 	MxBool locked = FALSE;
 
-	MxResult result = MxMediaManager::Create();
+	MxResult result = MxPresentationManager::Create();
 	if (result == SUCCESS) {
 		if (p_createThread) {
 			ENTER(this->m_criticalSection);
diff --git a/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp b/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
index 3cf753d6..49980ee1 100644
--- a/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
+++ b/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
@@ -161,10 +161,11 @@ void MxDiskStreamProvider::VTable0x20(MxDSAction* p_action)
 }
 
 // FUNCTION: LEGO1 0x100d1750
+// FUNCTION: BETA10 0x101632b8
 MxResult MxDiskStreamProvider::WaitForWorkToComplete()
 {
 	while (m_remainingWork) {
-		m_busySemaphore.Wait();
+		m_busySemaphore.Acquire();
 		if (m_unk0x35) {
 			PerformWork();
 		}
diff --git a/LEGO1/omni/src/system/mxsemaphore.cpp b/LEGO1/omni/src/system/mxsemaphore.cpp
index a4db127b..2cd2016e 100644
--- a/LEGO1/omni/src/system/mxsemaphore.cpp
+++ b/LEGO1/omni/src/system/mxsemaphore.cpp
@@ -6,32 +6,46 @@
 DECOMP_SIZE_ASSERT(MxSemaphore, 0x08)
 
 // FUNCTION: LEGO1 0x100c87d0
+// FUNCTION: BETA10 0x10159260
 MxSemaphore::MxSemaphore()
 {
 	m_semaphore = NULL;
 }
 
 // FUNCTION: LEGO1 0x100c8800
+// FUNCTION: BETA10 0x101592d5
 MxResult MxSemaphore::Init(MxU32 p_initialCount, MxU32 p_maxCount)
 {
 	// [library:synchronization] No support for max count, but shouldn't be necessary
 	MxResult result = FAILURE;
 
-	if ((m_semaphore = SDL_CreateSemaphore(p_initialCount))) {
-		result = SUCCESS;
+	m_semaphore = SDL_CreateSemaphore(p_initialCount);
+	if (!m_semaphore) {
+		goto done;
 	}
 
+	result = SUCCESS;
+
+done:
 	return result;
 }
 
 // FUNCTION: LEGO1 0x100c8830
-void MxSemaphore::Wait()
+// FUNCTION: BETA10 0x10159332
+void MxSemaphore::Acquire()
 {
 	// [library:synchronization] Removed timeout since only INFINITE is ever requested
 	SDL_WaitSemaphore(m_semaphore);
 }
 
+// FUNCTION: BETA10 0x10159385
+void MxSemaphore::TryAcquire()
+{
+	// unused
+}
+
 // FUNCTION: LEGO1 0x100c8850
+// FUNCTION: BETA10 0x101593aa
 void MxSemaphore::Release()
 {
 	// [library:synchronization] Removed release count since only 1 is ever requested
diff --git a/LEGO1/omni/src/system/mxthread.cpp b/LEGO1/omni/src/system/mxthread.cpp
index 96e64992..307db15a 100644
--- a/LEGO1/omni/src/system/mxthread.cpp
+++ b/LEGO1/omni/src/system/mxthread.cpp
@@ -7,6 +7,7 @@
 DECOMP_SIZE_ASSERT(MxThread, 0x1c)
 
 // FUNCTION: LEGO1 0x100bf510
+// FUNCTION: BETA10 0x10147540
 MxThread::MxThread()
 {
 	m_thread = NULL;
@@ -14,6 +15,7 @@ MxThread::MxThread()
 }
 
 // FUNCTION: LEGO1 0x100bf5a0
+// FUNCTION: BETA10 0x101475d0
 MxThread::~MxThread()
 {
 	if (m_thread) {
@@ -22,46 +24,91 @@ MxThread::~MxThread()
 }
 
 // FUNCTION: LEGO1 0x100bf610
+// FUNCTION: BETA10 0x10147655
 MxResult MxThread::Start(MxS32 p_stackSize, MxS32 p_flag)
 {
 	MxResult result = FAILURE;
 
-	if (m_semaphore.Init(0, 1) == SUCCESS) {
+	if (m_semaphore.Init(0, 1) != SUCCESS) {
+		goto done;
+	}
+
+	{
 		const SDL_PropertiesID props = SDL_CreateProperties();
 		SDL_SetPointerProperty(props, SDL_PROP_THREAD_CREATE_ENTRY_FUNCTION_POINTER, (void*) MxThread::ThreadProc);
 		SDL_SetPointerProperty(props, SDL_PROP_THREAD_CREATE_USERDATA_POINTER, this);
 		SDL_SetNumberProperty(props, SDL_PROP_THREAD_CREATE_STACKSIZE_NUMBER, p_stackSize * 4);
 
-		if ((m_thread = SDL_CreateThreadWithProperties(props))) {
-			result = SUCCESS;
+		if (!(m_thread = SDL_CreateThreadWithProperties(props))) {
+			goto done;
 		}
 
 		SDL_DestroyProperties(props);
 	}
 
+	result = SUCCESS;
+
+done:
 	return result;
 }
 
 // FUNCTION: LEGO1 0x100bf660
+// FUNCTION: BETA10 0x101476ee
 void MxThread::Sleep(MxS32 p_milliseconds)
 {
 	SDL_Delay(p_milliseconds);
 }
 
+// FUNCTION: BETA10 0x10147710
+void MxThread::ResumeThread()
+{
+	// unused
+}
+
+// FUNCTION: BETA10 0x10147733
+void MxThread::SuspendThread()
+{
+	// unused
+}
+
+// FUNCTION: BETA10 0x10147756
+bool MxThread::TerminateThread(MxU32 p_exitCode)
+{
+	// unused
+	return false;
+}
+
+// FUNCTION: BETA10 0x10147793
+MxS32 MxThread::GetThreadPriority(MxU16& p_priority)
+{
+	// unused
+	return -1;
+}
+
+// FUNCTION: BETA10 0x101477c8
+bool MxThread::SetThreadPriority(MxU16 p_priority)
+{
+	// unused
+	return false;
+}
+
 // FUNCTION: LEGO1 0x100bf670
+// FUNCTION: BETA10 0x1014780a
 void MxThread::Terminate()
 {
 	m_running = FALSE;
-	m_semaphore.Wait();
+	m_semaphore.Acquire();
 }
 
 // FUNCTION: LEGO1 0x100bf680
+// FUNCTION: BETA10 0x1014783b
 int MxThread::ThreadProc(void* p_thread)
 {
 	return static_cast<MxThread*>(p_thread)->Run();
 }
 
 // FUNCTION: LEGO1 0x100bf690
+// FUNCTION: BETA10 0x10147855
 MxResult MxThread::Run()
 {
 	m_semaphore.Release();
diff --git a/LEGO1/omni/src/video/mxdisplaysurface.cpp b/LEGO1/omni/src/video/mxdisplaysurface.cpp
index 2248a0ad..51a2f36b 100644
--- a/LEGO1/omni/src/video/mxdisplaysurface.cpp
+++ b/LEGO1/omni/src/video/mxdisplaysurface.cpp
@@ -482,7 +482,7 @@ void MxDisplaySurface::VTable0x28(
 
 	tempSurface->Unlock(NULL);
 
-	if (m_videoParam.Flags().GetF1bit3()) {
+	if (m_videoParam.Flags().GetDoubleScaling()) {
 		RECT destRect = {p_right, p_bottom, p_right + p_width * 2, p_bottom + p_height * 2};
 		m_ddSurface2->Blt(&destRect, tempSurface, NULL, DDBLT_WAIT | DDBLT_KEYSRC, NULL);
 	}
@@ -749,7 +749,7 @@ void MxDisplaySurface::DrawTransparentRLE(
 // FUNCTION: LEGO1 0x100bba50
 void MxDisplaySurface::Display(MxS32 p_left, MxS32 p_top, MxS32 p_left2, MxS32 p_top2, MxS32 p_width, MxS32 p_height)
 {
-	if (m_videoParam.Flags().GetF2bit1()) {
+	if (m_videoParam.Flags().GetEnabled()) {
 		if (m_videoParam.Flags().GetFlipSurfaces()) {
 			if (g_unk0x1010215c < 2) {
 				g_unk0x1010215c++;
@@ -1012,7 +1012,7 @@ void MxDisplaySurface::VTable0x24(
 
 	MxU8* data = p_bitmap->GetStart(p_left, p_top);
 
-	if (m_videoParam.Flags().GetF1bit3()) {
+	if (m_videoParam.Flags().GetDoubleScaling()) {
 		p_bottom *= 2;
 		p_right *= 2;
 
diff --git a/LEGO1/omni/src/video/mxvideomanager.cpp b/LEGO1/omni/src/video/mxvideomanager.cpp
index bf68eca5..e56cb48e 100644
--- a/LEGO1/omni/src/video/mxvideomanager.cpp
+++ b/LEGO1/omni/src/video/mxvideomanager.cpp
@@ -21,17 +21,20 @@ MxVideoManager::MxVideoManager()
 }
 
 // FUNCTION: LEGO1 0x100be270
+// FUNCTION: BETA10 0x1012dde0
 void MxVideoManager::UpdateView(MxU32 p_x, MxU32 p_y, MxU32 p_width, MxU32 p_height)
 {
 }
 
 // FUNCTION: LEGO1 0x100be2a0
+// FUNCTION: BETA10 0x1012cad8
 MxVideoManager::~MxVideoManager()
 {
 	Destroy(TRUE);
 }
 
 // FUNCTION: LEGO1 0x100be320
+// FUNCTION: BETA10 0x1012cb66
 MxResult MxVideoManager::Init()
 {
 	m_pDirectDraw = NULL;
@@ -44,6 +47,7 @@ MxResult MxVideoManager::Init()
 }
 
 // FUNCTION: LEGO1 0x100be340
+// FUNCTION: BETA10 0x1012cbca
 void MxVideoManager::Destroy(MxBool p_fromDestructor)
 {
 	if (m_thread) {
@@ -81,7 +85,7 @@ void MxVideoManager::Destroy(MxBool p_fromDestructor)
 	m_criticalSection.Leave();
 
 	if (!p_fromDestructor) {
-		MxMediaManager::Destroy();
+		MxPresentationManager::Destroy();
 	}
 }
 
@@ -134,6 +138,7 @@ void MxVideoManager::SortPresenterList()
 }
 
 // FUNCTION: LEGO1 0x100be600
+// STUB: BETA10 0x1012cfbc
 MxResult MxVideoManager::VTable0x28(
 	MxVideoParam& p_videoParam,
 	LPDIRECTDRAW p_pDirectDraw,
@@ -150,7 +155,7 @@ MxResult MxVideoManager::VTable0x28(
 
 	m_unk0x60 = FALSE;
 
-	if (MxMediaManager::Create() != SUCCESS) {
+	if (MxPresentationManager::Create() != SUCCESS) {
 		goto done;
 	}
 
@@ -216,6 +221,7 @@ MxResult MxVideoManager::VTable0x28(
 }
 
 // FUNCTION: LEGO1 0x100be820
+// STUB: BETA10 0x1012d3f1
 MxResult MxVideoManager::Create(MxVideoParam& p_videoParam, MxU32 p_frequencyMS, MxBool p_createThread)
 {
 	MxBool locked = FALSE;
@@ -224,8 +230,8 @@ MxResult MxVideoManager::Create(MxVideoParam& p_videoParam, MxU32 p_frequencyMS,
 
 	m_unk0x60 = TRUE;
 
-	if (MxMediaManager::Create() != SUCCESS) {
-		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "MxMediaManager::Create failed");
+	if (MxPresentationManager::Create() != SUCCESS) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "MxPresentationManager::Create failed");
 		goto done;
 	}
 
@@ -308,6 +314,7 @@ MxResult MxVideoManager::Create(MxVideoParam& p_videoParam, MxU32 p_frequencyMS,
 }
 
 // FUNCTION: LEGO1 0x100bea50
+// FUNCTION: BETA10 0x1012d85f
 void MxVideoManager::Destroy()
 {
 	Destroy(FALSE);
@@ -326,6 +333,7 @@ void MxVideoManager::InvalidateRect(MxRect32& p_rect)
 }
 
 // FUNCTION: LEGO1 0x100bea90
+// FUNCTION: BETA10 0x1012d8e3
 MxResult MxVideoManager::Tickle()
 {
 	AUTOLOCK(m_criticalSection);