diff --git a/LEGO1/lego/legoomni/include/legoanimationmanager.h b/LEGO1/lego/legoomni/include/legoanimationmanager.h
index ed40b398..31ee5a37 100644
--- a/LEGO1/lego/legoomni/include/legoanimationmanager.h
+++ b/LEGO1/lego/legoomni/include/legoanimationmanager.h
@@ -31,7 +31,7 @@ class LegoAnimationManager : public MxCore {
 	void FUN_1005ef10();
 	void FUN_1005f0b0();
 	void FUN_1005f6d0(MxBool);
-	void FUN_1005f720(undefined4);
+	void FUN_1005f720(MxS32 p_scriptIndex);
 	void FUN_10061010(undefined4);
 	void FUN_10064670(MxBool);
 
diff --git a/LEGO1/lego/legoomni/include/legoomni.h b/LEGO1/lego/legoomni/include/legoomni.h
index 07ebc3dd..4229e003 100644
--- a/LEGO1/lego/legoomni/include/legoomni.h
+++ b/LEGO1/lego/legoomni/include/legoomni.h
@@ -98,6 +98,9 @@ class LegoOmni : public MxOmni {
 			return *this;
 		}
 
+		inline MxS32 GetIndex() { return m_index; }
+		inline const char* GetKey() { return m_key; }
+
 	private:
 		MxS32 m_index;      // 0x00
 		char m_key[20];     // 0x04
@@ -200,7 +203,7 @@ class LegoOmni : public MxOmni {
 	void CreateBackgroundAudio();
 	void RemoveWorld(const MxAtomId&, MxLong);
 	MxResult RegisterScripts();
-	undefined4 FUN_1005b490(char* p_worldName);
+	MxS32 GetScriptIndex(const char* p_key);
 
 	static MxS32 GetCurrPathInfo(LegoPathBoundary**, MxS32&);
 	static void CreateInstance();
diff --git a/LEGO1/lego/legoomni/include/legoplantmanager.h b/LEGO1/lego/legoomni/include/legoplantmanager.h
index 1f67a72d..2670d13c 100644
--- a/LEGO1/lego/legoomni/include/legoplantmanager.h
+++ b/LEGO1/lego/legoomni/include/legoplantmanager.h
@@ -20,7 +20,7 @@ class LegoPlantManager : public MxCore {
 		return "LegoPlantManager";
 	}
 
-	void FUN_10026360(undefined4 p_world);
+	void FUN_10026360(MxS32 p_scriptIndex);
 	void FUN_100263a0(undefined4 p_und);
 	void FUN_10027120();
 
diff --git a/LEGO1/lego/legoomni/include/legoworld.h b/LEGO1/lego/legoomni/include/legoworld.h
index f58ecbbe..5b31fd7c 100644
--- a/LEGO1/lego/legoomni/include/legoworld.h
+++ b/LEGO1/lego/legoomni/include/legoworld.h
@@ -65,11 +65,12 @@ class LegoWorld : public LegoEntity {
 	virtual void Enable(MxBool p_enable); // vtable+0x68
 
 	inline LegoCameraController* GetCamera() { return m_cameraController; }
-	inline void SetUnknown0xec(undefined4 p_unk0xec) { m_unk0xec = p_unk0xec; }
-	inline undefined4 GetUnknown0xec() { return m_unk0xec; }
+	inline MxS32 GetScriptIndex() { return m_scriptIndex; }
 	inline MxCoreSet& GetUnknown0xd0() { return m_set0xd0; }
 	inline list<AutoROI*>& GetUnknownList0xe0() { return m_list0xe0; }
 
+	inline void SetScriptIndex(MxS32 p_scriptIndex) { m_scriptIndex = p_scriptIndex; }
+
 	MxBool PresentersPending();
 	void Remove(MxCore* p_object);
 	void FUN_1001fc80(IslePathActor* p_actor);
@@ -91,7 +92,7 @@ class LegoWorld : public LegoEntity {
 	MxPresenterList m_controlPresenters;        // 0xb8
 	MxCoreSet m_set0xd0;                        // 0xd0
 	list<AutoROI*> m_list0xe0;                  // 0xe0
-	undefined4 m_unk0xec;                       // 0xec
+	MxS32 m_scriptIndex;                        // 0xec
 	LegoHideAnimPresenter* m_hideAnimPresenter; // 0xf0
 	MxS16 m_startupTicks;                       // 0xf4
 	MxBool m_worldStarted;                      // 0xf6
diff --git a/LEGO1/lego/legoomni/src/common/legoplantmanager.cpp b/LEGO1/lego/legoomni/src/common/legoplantmanager.cpp
index e8c5e097..b111186a 100644
--- a/LEGO1/lego/legoomni/src/common/legoplantmanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legoplantmanager.cpp
@@ -21,7 +21,7 @@ void LegoPlantManager::Init()
 }
 
 // STUB: LEGO1 0x10026360
-void LegoPlantManager::FUN_10026360(undefined4 p_world)
+void LegoPlantManager::FUN_10026360(MxS32 p_scriptIndex)
 {
 	// TODO
 }
diff --git a/LEGO1/lego/legoomni/src/entity/legoworld.cpp b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
index a4abf99c..3a705813 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworld.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
@@ -84,7 +84,7 @@ MxResult LegoWorld::Create(MxDSAction& p_dsAction)
 
 	if (p_dsAction.GetFlags() & MxDSAction::c_enabled) {
 		if (CurrentWorld()) {
-			CurrentWorld()->Enable(0);
+			CurrentWorld()->Enable(FALSE);
 		}
 
 		SetCurrentWorld(this);
@@ -92,7 +92,7 @@ MxResult LegoWorld::Create(MxDSAction& p_dsAction)
 	}
 
 	SetIsWorldActive(TRUE);
-	m_unk0xec = -1;
+	m_scriptIndex = -1;
 
 	return SUCCESS;
 }
@@ -169,8 +169,8 @@ void LegoWorld::Destroy(MxBool p_fromDestructor)
 		}
 	}
 
-	if (m_unk0xec != -1 && m_set0xd0.empty()) {
-		PlantManager()->FUN_100263a0(m_unk0xec);
+	if (m_scriptIndex != -1 && m_set0xd0.empty()) {
+		PlantManager()->FUN_100263a0(m_scriptIndex);
 		BuildingManager()->FUN_1002fb30();
 	}
 
@@ -574,9 +574,9 @@ void LegoWorld::Enable(MxBool p_enable)
 				Lego()->SetNavController(m_cameraController->GetNavController());
 			}
 
-			if (m_unk0xec != -1) {
-				PlantManager()->FUN_10026360(m_unk0xec);
-				AnimationManager()->FUN_1005f720(m_unk0xec);
+			if (m_scriptIndex != -1) {
+				PlantManager()->FUN_10026360(m_scriptIndex);
+				AnimationManager()->FUN_1005f720(m_scriptIndex);
 				BuildingManager()->FUN_1002fa00();
 				AnimationManager()->FUN_1005f0b0();
 			}
@@ -597,8 +597,8 @@ void LegoWorld::Enable(MxBool p_enable)
 		AnimationManager()->FUN_1005ee80(FALSE);
 		m_set0xd0.insert(this);
 
-		if (m_unk0xec != -1) {
-			PlantManager()->FUN_100263a0(m_unk0xec);
+		if (m_scriptIndex != -1) {
+			PlantManager()->FUN_100263a0(m_scriptIndex);
 			BuildingManager()->FUN_1002fb30();
 		}
 
diff --git a/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp b/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
index 174f5a9c..21721f17 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
@@ -39,9 +39,9 @@ LegoWorldPresenter::~LegoWorldPresenter()
 {
 	MxBool result = FALSE;
 	if (m_entity) {
-		undefined4 world = ((LegoWorld*) m_entity)->GetUnknown0xec();
-		PlantManager()->FUN_10026360(world);
-		AnimationManager()->FUN_1005f720(world);
+		MxS32 scriptIndex = ((LegoWorld*) m_entity)->GetScriptIndex();
+		PlantManager()->FUN_10026360(scriptIndex);
+		AnimationManager()->FUN_1005f720(scriptIndex);
 		BuildingManager()->FUN_1002fa00();
 		result = ((LegoWorld*) m_entity)->VTable0x5c();
 	}
@@ -189,9 +189,9 @@ void LegoWorldPresenter::ParseExtra()
 		data[len] = 0;
 
 		if (KeyValueStringParse(output, g_strWORLD, data)) {
-			char* worldName = strtok(output, g_parseExtraTokens);
-			LoadWorld(worldName, (LegoWorld*) m_entity);
-			((LegoWorld*) m_entity)->SetUnknown0xec(Lego()->FUN_1005b490(worldName));
+			char* worldKey = strtok(output, g_parseExtraTokens);
+			LoadWorld(worldKey, (LegoWorld*) m_entity);
+			((LegoWorld*) m_entity)->SetScriptIndex(Lego()->GetScriptIndex(worldKey));
 		}
 	}
 }
diff --git a/LEGO1/lego/legoomni/src/main/legoomni.cpp b/LEGO1/lego/legoomni/src/main/legoomni.cpp
index 13f58bbe..f67e028f 100644
--- a/LEGO1/lego/legoomni/src/main/legoomni.cpp
+++ b/LEGO1/lego/legoomni/src/main/legoomni.cpp
@@ -883,9 +883,15 @@ MxS32 LegoOmni::GetCurrPathInfo(LegoPathBoundary** p_path, MxS32& p_value)
 	return ::CurrentWorld()->GetCurrPathInfo(p_path, p_value);
 }
 
-// STUB: LEGO1 0x1005b490
-undefined4 LegoOmni::FUN_1005b490(char* p_worldName)
+// FUNCTION: LEGO1 0x1005b490
+MxS32 LegoOmni::GetScriptIndex(const char* p_key)
 {
+	for (MxS32 i = 0; i < 19; i++) {
+		if ((MxS32) &m_scripts[i] != -4 && !strcmpi(m_scripts[i].GetKey(), p_key)) {
+			return m_scripts[i].GetIndex();
+		}
+	}
+
 	return -1;
 }
 
diff --git a/LEGO1/lego/legoomni/src/video/legoanimationmanager.cpp b/LEGO1/lego/legoomni/src/video/legoanimationmanager.cpp
index 30c6d16f..bdf3eb98 100644
--- a/LEGO1/lego/legoomni/src/video/legoanimationmanager.cpp
+++ b/LEGO1/lego/legoomni/src/video/legoanimationmanager.cpp
@@ -54,7 +54,7 @@ void LegoAnimationManager::FUN_1005f6d0(MxBool)
 }
 
 // STUB: LEGO1 0x1005f720
-void LegoAnimationManager::FUN_1005f720(undefined4)
+void LegoAnimationManager::FUN_1005f720(MxS32 p_scriptIndex)
 {
 	// TODO
 }