diff --git a/LEGO1/define.cpp b/LEGO1/define.cpp
index 1e1ac43a..0a67df0b 100644
--- a/LEGO1/define.cpp
+++ b/LEGO1/define.cpp
@@ -10,6 +10,7 @@ const char* g_strANIMATION = "ANIMATION";
 
 // GLOBAL: LEGO1 0x10102050
 // STRING: LEGO1 0x10102024
+// GLOBAL: BETA10 0x102028b4
 const char* g_strATTACH_CAMERA = "ATTACH_CAMERA";
 
 // GLOBAL: LEGO1 0x10102054
@@ -138,6 +139,7 @@ const char* g_strBMP_ISMAP = "BMP_ISMAP";
 
 // GLOBAL: LEGO1 0x101020e4
 // STRING: LEGO1 0x10101eac
+// GLOBAL: BETA10 0x10202948
 const char* g_parseExtraTokens = ":;";
 
 // GLOBAL: LEGO1 0x100f0c14
diff --git a/LEGO1/lego/legoomni/include/legoactor.h b/LEGO1/lego/legoomni/include/legoactor.h
index 79d8ffeb..a3e68f2e 100644
--- a/LEGO1/lego/legoomni/include/legoactor.h
+++ b/LEGO1/lego/legoomni/include/legoactor.h
@@ -34,6 +34,7 @@ public:
 	}
 
 	// FUNCTION: LEGO1 0x1002d220
+	// FUNCTION: BETA10 0x10012530
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoActor::ClassName()) || LegoEntity::IsA(p_name);
@@ -43,18 +44,22 @@ public:
 	void SetROI(LegoROI* p_roi, MxBool p_bool1, MxBool p_bool2) override; // vtable+0x24
 
 	// FUNCTION: LEGO1 0x10002cc0
+	// FUNCTION: BETA10 0x1000f3e0
 	virtual MxFloat GetSoundFrequencyFactor() { return m_frequencyFactor; } // vtable+0x50
 
 	// FUNCTION: LEGO1 0x10002cd0
+	// FUNCTION: BETA10 0x1000f410
 	virtual void SetSoundFrequencyFactor(MxFloat p_frequencyFactor)
 	{
 		m_frequencyFactor = p_frequencyFactor;
 	} // vtable+0x54
 
 	// FUNCTION: LEGO1 0x10002ce0
+	// FUNCTION: BETA10 0x1000f440
 	virtual void VTable0x58(MxFloat p_unk0x70) { m_unk0x70 = p_unk0x70; } // vtable+0x58
 
 	// FUNCTION: LEGO1 0x10002cf0
+	// FUNCTION: BETA10 0x1000f470
 	virtual MxFloat VTable0x5c() { return m_unk0x70; } // vtable+0x5c
 
 	// FUNCTION: LEGO1 0x10002d00
@@ -62,6 +67,7 @@ public:
 	virtual MxU8 GetActorId() { return m_actorId; } // vtable+0x60
 
 	// FUNCTION: LEGO1 0x10002d10
+	// FUNCTION: BETA10 0x1000f4d0
 	virtual void SetActorId(MxU8 p_actorId) { m_actorId = p_actorId; } // vtable+0x64
 
 	static const char* GetActorName(MxU8 p_id);
@@ -76,6 +82,7 @@ protected:
 };
 
 // SYNTHETIC: LEGO1 0x1002d300
+// SYNTHETIC: BETA10 0x1003d900
 // LegoActor::`scalar deleting destructor'
 
 #endif // LEGOACTOR_H
diff --git a/LEGO1/lego/legoomni/include/legopathactor.h b/LEGO1/lego/legoomni/include/legopathactor.h
index 3002ccfe..6566c6fb 100644
--- a/LEGO1/lego/legoomni/include/legopathactor.h
+++ b/LEGO1/lego/legoomni/include/legopathactor.h
@@ -51,9 +51,11 @@ public:
 	virtual void VTable0x74(Matrix4& p_transform); // vtable+0x74
 
 	// FUNCTION: LEGO1 0x10002d20
+	// FUNCTION: BETA10 0x1000f500
 	virtual void SetUserNavFlag(MxBool p_userNavFlag) { m_userNavFlag = p_userNavFlag; } // vtable+0x78
 
 	// FUNCTION: LEGO1 0x10002d30
+	// FUNCTION: BETA10 0x1000f530
 	virtual MxBool GetUserNavFlag() { return m_userNavFlag; } // vtable+0x7c
 
 	virtual MxResult VTable0x80(
@@ -67,7 +69,7 @@ public:
 		float p_time,
 		Vector3& p_p1,
 		Vector3& p_p4,
-		LegoOrientedEdge& p_destEdge,
+		LegoOrientedEdge* p_destEdge,
 		float p_destScale
 	); // vtable+0x84
 	virtual MxResult VTable0x88(
@@ -81,9 +83,11 @@ public:
 	virtual MxS32 VTable0x8c(float p_time, Matrix4& p_transform); // vtable+0x8c
 
 	// FUNCTION: LEGO1 0x10002d40
+	// FUNCTION: BETA10 0x1000f560
 	virtual MxU32 VTable0x90(float, Matrix4&) { return FALSE; } // vtable+0x90
 
 	// FUNCTION: LEGO1 0x10002d50
+	// FUNCTION: BETA10 0x1000f800
 	virtual MxResult HitActor(LegoPathActor*, MxBool) { return 0; } // vtable+0x94
 
 	virtual void SwitchBoundary(
@@ -94,30 +98,38 @@ public:
 	virtual MxResult VTable0x9c(); // vtable+0x9c
 
 	// FUNCTION: LEGO1 0x10002d60
+	// FUNCTION: BETA10 0x1000f820
 	virtual MxS32 VTable0xa0() { return 0; } // vtable+0xa0
 
 	virtual void VTable0xa4(MxBool& p_und1, MxS32& p_und2); // vtable+0xa4
 	virtual void VTable0xa8();                              // vtable+0xa8
 
 	// FUNCTION: LEGO1 0x10002d70
+	// FUNCTION: BETA10 0x1000f580
 	virtual void SetMaxLinearVel(MxFloat p_maxLinearVel) { m_maxLinearVel = p_maxLinearVel; } // vtable+0xac
 
 	// FUNCTION: LEGO1 0x10002d80
+	// FUNCTION: BETA10 0x1000f5b0
 	virtual MxFloat GetMaxLinearVel() { return m_maxLinearVel; } // vtable+0xb0
 
 	// FUNCTION: LEGO1 0x10002d90
+	// FUNCTION: BETA10 0x1000f5e0
 	virtual MxFloat VTable0xb4() { return m_unk0x140; } // vtable+0xb4
 
 	// FUNCTION: LEGO1 0x10002da0
+	// FUNCTION: BETA10 0x1000f610
 	virtual MxFloat VTable0xb8() { return m_unk0x144; } // vtable+0xb8
 
 	// FUNCTION: LEGO1 0x10002db0
+	// FUNCTION: BETA10 0x1000f640
 	virtual void VTable0xbc(MxFloat p_unk0x140) { m_unk0x140 = p_unk0x140; } // vtable+0xbc
 
 	// FUNCTION: LEGO1 0x10002dc0
+	// FUNCTION: BETA10 0x1000f670
 	virtual void VTable0xc0(MxFloat p_unk0x144) { m_unk0x144 = p_unk0x144; } // vtable+0xc0
 
 	// FUNCTION: LEGO1 0x10002dd0
+	// FUNCTION: BETA10 0x1000f6a0
 	virtual void VTable0xc4() {} // vtable+0xc4
 
 	// FUNCTION: LEGO1 0x10002de0
@@ -132,6 +144,7 @@ public:
 	}
 
 	// FUNCTION: LEGO1 0x1000c440
+	// FUNCTION: BETA10 0x100124c0
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoPathActor::ClassName()) || LegoActor::IsA(p_name);
@@ -161,6 +174,7 @@ public:
 	void PlaceActor(LegoNamedPlane& p_namedPlane);
 
 	// SYNTHETIC: LEGO1 0x1002d800
+	// SYNTHETIC: BETA10 0x100b04d0
 	// LegoPathActor::`scalar deleting destructor'
 
 protected:
diff --git a/LEGO1/lego/legoomni/src/actors/act2actor.cpp b/LEGO1/lego/legoomni/src/actors/act2actor.cpp
index df163a18..d6af311e 100644
--- a/LEGO1/lego/legoomni/src/actors/act2actor.cpp
+++ b/LEGO1/lego/legoomni/src/actors/act2actor.cpp
@@ -133,7 +133,6 @@ Act2Actor::Act2Actor()
 }
 
 // FUNCTION: LEGO1 0x10018940
-// FUNCTION: BETA10 0x1003d65f
 void Act2Actor::SetROI(LegoROI* p_roi, MxBool p_bool1, MxBool p_bool2)
 {
 	LegoAnimActor::SetROI(p_roi, p_bool1, p_bool2);
diff --git a/LEGO1/lego/legoomni/src/entity/legoactor.cpp b/LEGO1/lego/legoomni/src/entity/legoactor.cpp
index 16787149..c1ce3f74 100644
--- a/LEGO1/lego/legoomni/src/entity/legoactor.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoactor.cpp
@@ -23,6 +23,7 @@ LegoActor::LegoActor()
 }
 
 // FUNCTION: LEGO1 0x1002d320
+// FUNCTION: BETA10 0x1003d08b
 LegoActor::~LegoActor()
 {
 	if (m_sound) {
@@ -31,6 +32,7 @@ LegoActor::~LegoActor()
 }
 
 // FUNCTION: LEGO1 0x1002d390
+// FUNCTION: BETA10 0x1003d10b
 void LegoActor::ParseAction(char* p_extra)
 {
 	MxFloat speed = 0.0F;
@@ -90,6 +92,8 @@ void LegoActor::ParseAction(char* p_extra)
 				up[2] = atof(token);
 			}
 
+			assert(token);
+
 			SetWorldTransform(location, direction, up);
 		}
 		else {
@@ -122,6 +126,7 @@ const char* LegoActor::GetActorName(MxU8 p_id)
 }
 
 // FUNCTION: LEGO1 0x1002d670
+// FUNCTION: BETA10 0x1003d65f
 void LegoActor::SetROI(LegoROI* p_roi, MxBool p_bool1, MxBool p_bool2)
 {
 	if (p_roi) {
diff --git a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
index c360794f..d366bfbc 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
@@ -68,6 +68,7 @@ LegoPathActor::~LegoPathActor()
 }
 
 // FUNCTION: LEGO1 0x1002d8d0
+// FUNCTION: BETA10 0x100ae8cd
 MxResult LegoPathActor::VTable0x80(const Vector3& p_point1, Vector3& p_point2, Vector3& p_point3, Vector3& p_point4)
 {
 	Mx3DPointFloat p1, p2, p3;
@@ -84,8 +85,10 @@ MxResult LegoPathActor::VTable0x80(const Vector3& p_point1, Vector3& p_point2, V
 		m_BADuration /= 0.001;
 		return SUCCESS;
 	}
-
-	return FAILURE;
+	else {
+		MxTrace("Warning: m_BADuration = %g, roi = %s\n", m_BADuration, m_roi->GetName());
+		return FAILURE;
+	}
 }
 
 // FUNCTION: LEGO1 0x1002d9c0
@@ -167,17 +170,22 @@ MxResult LegoPathActor::VTable0x88(
 }
 
 // FUNCTION: LEGO1 0x1002de10
+// FUNCTION: BETA10 0x100aee61
 MxResult LegoPathActor::VTable0x84(
 	LegoPathBoundary* p_boundary,
 	float p_time,
 	Vector3& p_p1,
 	Vector3& p_p4,
-	LegoOrientedEdge& p_destEdge,
+	LegoOrientedEdge* p_destEdge,
 	float p_destScale
 )
 {
-	Vector3* v3 = p_destEdge.CWVertex(*p_boundary);
-	Vector3* v4 = p_destEdge.CCWVertex(*p_boundary);
+	assert(p_destEdge);
+
+	Vector3* v3 = p_destEdge->CWVertex(*p_boundary);
+	Vector3* v4 = p_destEdge->CCWVertex(*p_boundary);
+
+	assert(v3 && v4);
 
 	Mx3DPointFloat p2, p3, p5;
 
@@ -187,12 +195,12 @@ MxResult LegoPathActor::VTable0x84(
 	p2 += *v3;
 
 	m_boundary = p_boundary;
-	m_destEdge = &p_destEdge;
+	m_destEdge = p_destEdge;
 	m_unk0xe4 = p_destScale;
 	m_unk0x7c = 0;
 	m_lastTime = p_time;
 	m_actorTime = p_time;
-	p_destEdge.GetFaceNormal(*p_boundary, p3);
+	p_destEdge->GetFaceNormal(*p_boundary, p3);
 
 	MxMatrix matrix;
 	Vector3 pos(matrix[3]);
@@ -217,6 +225,7 @@ MxResult LegoPathActor::VTable0x84(
 		p5.Unitize();
 
 		if (VTable0x80(p_p1, p_p4, p2, p5) == SUCCESS) {
+			MxTrace("Warning: m_BADuration = %g, roi = %s\n", m_BADuration, m_roi->GetName());
 			m_boundary->AddActor(this);
 		}
 		else {
@@ -379,6 +388,7 @@ MxS32 LegoPathActor::VTable0x8c(float p_time, Matrix4& p_transform)
 }
 
 // FUNCTION: LEGO1 0x1002e740
+// FUNCTION: BETA10 0x100b0f70
 void LegoPathActor::VTable0x74(Matrix4& p_transform)
 {
 	if (m_userNavFlag) {
diff --git a/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp b/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
index 0f6ee835..4f84883a 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
@@ -298,7 +298,7 @@ MxResult LegoPathController::PlaceActor(
 				return FAILURE;
 			}
 
-			if (p_actor->VTable0x84(boundary, time, p_position, p_direction, *edge, 0.5f) == SUCCESS) {
+			if (p_actor->VTable0x84(boundary, time, p_position, p_direction, edge, 0.5f) == SUCCESS) {
 				p_actor->SetController(this);
 				m_actors.insert(p_actor);
 				return SUCCESS;
diff --git a/LEGO1/library_msvc.h b/LEGO1/library_msvc.h
index b0542e13..96437e7a 100644
--- a/LEGO1/library_msvc.h
+++ b/LEGO1/library_msvc.h
@@ -840,6 +840,9 @@
 // LIBRARY: BETA10 0x100f8ad0
 // strcmp
 
+// LIBRARY: BETA10 0x100f9f60
+// strtok
+
 // LIBRARY: BETA10 0x100f9610
 // rand