diff --git a/CMakeLists.txt b/CMakeLists.txt
index c78d6312ab..fcc86af800 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -258,7 +258,6 @@ function(add_lego_libraries NAME)
     LEGO1/omni/src/stream/mxstreamchunk.cpp
     LEGO1/omni/src/stream/mxstreamcontroller.cpp
     LEGO1/omni/src/stream/mxstreamer.cpp
-    LEGO1/omni/src/stream/mxstreamlist.cpp
     LEGO1/omni/src/stream/mxstreamprovider.cpp
     LEGO1/omni/src/system/mxautolock.cpp
     LEGO1/omni/src/system/mxcriticalsection.cpp
diff --git a/LEGO1/omni/include/mxdiskstreamcontroller.h b/LEGO1/omni/include/mxdiskstreamcontroller.h
index 9a1ad22c56..3b248b108d 100644
--- a/LEGO1/omni/include/mxdiskstreamcontroller.h
+++ b/LEGO1/omni/include/mxdiskstreamcontroller.h
@@ -53,15 +53,15 @@ class MxDiskStreamController : public MxStreamController {
 	void FUN_100c8670(MxDSStreamingAction* p_streamingAction);
 
 private:
-	MxStreamListMxDSAction m_list0x64; // 0x64
-	MxBool m_unk0x70;                  // 0x70
-	list<MxDSBuffer*> m_list0x74;      // 0x74
-	MxStreamListMxDSAction m_list0x80; // 0x80
-	undefined2 m_unk0x8c;              // 0x8c
-	MxStreamListMxDSAction m_list0x90; // 0x90
-	MxCriticalSection m_critical9c;    // 0x9c
-	MxStreamListMxDSAction m_list0xb8; // 0xb8
-	MxBool m_unk0xc4;                  // 0xc4
+	MxDSObjectList m_list0x64;      // 0x64
+	MxBool m_unk0x70;               // 0x70
+	list<MxDSBuffer*> m_list0x74;   // 0x74
+	MxDSObjectList m_list0x80;      // 0x80
+	undefined2 m_unk0x8c;           // 0x8c
+	MxDSObjectList m_list0x90;      // 0x90
+	MxCriticalSection m_critical9c; // 0x9c
+	MxDSObjectList m_list0xb8;      // 0xb8
+	MxBool m_unk0xc4;               // 0xc4
 
 	void FUN_100c7970();
 	void FUN_100c7ce0(MxDSBuffer* p_buffer);
diff --git a/LEGO1/omni/include/mxdiskstreamprovider.h b/LEGO1/omni/include/mxdiskstreamprovider.h
index aa5a9ada5d..f379ea0071 100644
--- a/LEGO1/omni/include/mxdiskstreamprovider.h
+++ b/LEGO1/omni/include/mxdiskstreamprovider.h
@@ -5,7 +5,6 @@
 #include "decomp.h"
 #include "mxcriticalsection.h"
 #include "mxdsaction.h"
-#include "mxstreamlist.h"
 #include "mxstreamprovider.h"
 #include "mxthread.h"
 
@@ -63,7 +62,7 @@ class MxDiskStreamProvider : public MxStreamProvider {
 	MxBool m_remainingWork;              // 0x34
 	MxBool m_unk0x35;                    // 0x35
 	MxCriticalSection m_criticalSection; // 0x38
-	MxStreamListMxDSAction m_list;       // 0x54
+	MxDSObjectList m_list;               // 0x54
 };
 
 // SYNTHETIC: LEGO1 0x100d10a0
diff --git a/LEGO1/omni/include/mxdsobject.h b/LEGO1/omni/include/mxdsobject.h
index 6e3d2fc3d8..a0a5cb16a1 100644
--- a/LEGO1/omni/include/mxdsobject.h
+++ b/LEGO1/omni/include/mxdsobject.h
@@ -4,10 +4,25 @@
 #include "decomp.h"
 #include "mxatom.h"
 #include "mxcore.h"
+#include "mxutilitylist.h"
 
 class MxDSFile;
+class MxDSObject;
 class MxPresenter;
 
+// SIZE 0x0c
+class MxDSObjectList : public MxUtilityList<MxDSObject*> {
+public:
+	// FUNCTION: BETA10 0x10150e30
+	MxDSObject* FindAndErase(MxDSObject* p_action) { return FindInternal(p_action, TRUE); }
+
+	// FUNCTION: BETA10 0x10150fc0
+	MxDSObject* Find(MxDSObject* p_action) { return FindInternal(p_action, FALSE); }
+
+private:
+	MxDSObject* FindInternal(MxDSObject* p_action, MxBool p_delete);
+};
+
 // VTABLE: LEGO1 0x100dc868
 // VTABLE: BETA10 0x101c23f0
 // SIZE 0x2c
@@ -107,4 +122,7 @@ class MxDSObject : public MxCore {
 MxDSObject* DeserializeDSObjectDispatch(MxU8*&, MxS16);
 MxDSObject* CreateStreamObject(MxDSFile*, MxS16);
 
+// TEMPLATE: BETA10 0x10150950
+// MxUtilityList<MxDSObject *>::PopFront
+
 #endif // MXDSOBJECT_H
diff --git a/LEGO1/omni/include/mxdssubscriber.h b/LEGO1/omni/include/mxdssubscriber.h
index e0334b5681..072a88bb8a 100644
--- a/LEGO1/omni/include/mxdssubscriber.h
+++ b/LEGO1/omni/include/mxdssubscriber.h
@@ -4,9 +4,18 @@
 #include "decomp.h"
 #include "mxcore.h"
 #include "mxstreamchunklist.h"
+#include "mxutilitylist.h"
 
+class MxDSObject;
+class MxDSSubscriber;
 class MxStreamController;
 
+// SIZE 0x0c
+class MxDSSubscriberList : public MxUtilityList<MxDSSubscriber*> {
+public:
+	MxDSSubscriber* Find(MxDSObject* p_object);
+};
+
 // VTABLE: LEGO1 0x100dc698
 // VTABLE: BETA10 0x101c1d38
 // SIZE 0x4c
@@ -58,4 +67,7 @@ class MxDSSubscriber : public MxCore {
 // TEMPLATE: LEGO1 0x100b7d00
 // MxStreamChunkList::~MxStreamChunkList
 
+// TEMPLATE: BETA10 0x10150a70
+// MxUtilityList<MxDSSubscriber *>::PopFront
+
 #endif // MXDSSUBSCRIBER_H
diff --git a/LEGO1/omni/include/mxstreamchunk.h b/LEGO1/omni/include/mxstreamchunk.h
index 72858cfe63..e68566ab66 100644
--- a/LEGO1/omni/include/mxstreamchunk.h
+++ b/LEGO1/omni/include/mxstreamchunk.h
@@ -4,7 +4,7 @@
 #include "mxdschunk.h"
 
 class MxDSBuffer;
-class MxStreamListMxDSSubscriber;
+class MxDSSubscriberList;
 
 // VTABLE: LEGO1 0x100dc2a8
 // VTABLE: BETA10 0x101c1d20
@@ -34,7 +34,7 @@ class MxStreamChunk : public MxDSChunk {
 
 	MxResult ReadChunk(MxDSBuffer* p_buffer, MxU8* p_chunkData);
 	MxU32 ReadChunkHeader(MxU8* p_chunkData);
-	MxResult SendChunk(MxStreamListMxDSSubscriber& p_subscriberList, MxBool p_append, MxS16 p_obj24val);
+	MxResult SendChunk(MxDSSubscriberList& p_subscriberList, MxBool p_append, MxS16 p_obj24val);
 	void SetBuffer(MxDSBuffer* p_buffer);
 
 	static MxU16* IntoFlags(MxU8* p_buffer);
diff --git a/LEGO1/omni/include/mxstreamcontroller.h b/LEGO1/omni/include/mxstreamcontroller.h
index e77cd39216..35996cf59d 100644
--- a/LEGO1/omni/include/mxstreamcontroller.h
+++ b/LEGO1/omni/include/mxstreamcontroller.h
@@ -5,13 +5,22 @@
 #include "mxatom.h"
 #include "mxcore.h"
 #include "mxcriticalsection.h"
+#include "mxdsobject.h"
 #include "mxdssubscriber.h"
+#include "mxnextactiondatastart.h"
 #include "mxstl/stlcompat.h"
-#include "mxstreamlist.h"
 
+class MxDSAction;
 class MxDSStreamingAction;
 class MxStreamProvider;
 
+// SIZE 0x0c
+class MxNextActionDataStartList : public MxUtilityList<MxNextActionDataStart*> {
+public:
+	MxNextActionDataStart* Find(MxU32 p_id, MxS16 p_value);
+	MxNextActionDataStart* FindAndErase(MxU32 p_id, MxS16 p_value);
+};
+
 // VTABLE: LEGO1 0x100dc968
 // VTABLE: BETA10 0x101c26c0
 // SIZE 0x64
@@ -55,20 +64,20 @@ class MxStreamController : public MxCore {
 
 	MxAtomId& GetAtom() { return m_atom; }
 	MxStreamProvider* GetProvider() { return m_provider; }
-	MxStreamListMxDSAction& GetUnk0x3c() { return m_unk0x3c; }
-	MxStreamListMxDSAction& GetUnk0x54() { return m_unk0x54; }
-	MxStreamListMxDSSubscriber& GetSubscriberList() { return m_subscriberList; }
+	MxDSObjectList& GetUnk0x3c() { return m_unk0x3c; }
+	MxDSObjectList& GetUnk0x54() { return m_unk0x54; }
+	MxDSSubscriberList& GetSubscriberList() { return m_subscriberList; }
 
 protected:
-	MxCriticalSection m_criticalSection;                // 0x08
-	MxAtomId m_atom;                                    // 0x24
-	MxStreamProvider* m_provider;                       // 0x28
-	undefined4* m_unk0x2c;                              // 0x2c
-	MxStreamListMxDSSubscriber m_subscriberList;        // 0x30
-	MxStreamListMxDSAction m_unk0x3c;                   // 0x3c
-	MxStreamListMxNextActionDataStart m_nextActionList; // 0x48
-	MxStreamListMxDSAction m_unk0x54;                   // 0x54
-	MxDSAction* m_action0x60;                           // 0x60
+	MxCriticalSection m_criticalSection;        // 0x08
+	MxAtomId m_atom;                            // 0x24
+	MxStreamProvider* m_provider;               // 0x28
+	undefined4* m_unk0x2c;                      // 0x2c
+	MxDSSubscriberList m_subscriberList;        // 0x30
+	MxDSObjectList m_unk0x3c;                   // 0x3c
+	MxNextActionDataStartList m_nextActionList; // 0x48
+	MxDSObjectList m_unk0x54;                   // 0x54
+	MxDSAction* m_action0x60;                   // 0x60
 };
 
 // TEMPLATE: LEGO1 0x100c0d60
@@ -92,13 +101,13 @@ class MxStreamController : public MxCore {
 // MxStreamController::`scalar deleting destructor'
 
 // FUNCTION: LEGO1 0x100c0fc0
-// MxStreamListMxDSSubscriber::~MxStreamListMxDSSubscriber
+// MxDSSubscriberList::~MxDSSubscriberList
 
 // FUNCTION: LEGO1 0x100c1010
-// MxStreamListMxDSAction::~MxStreamListMxDSAction
+// MxDSObjectList::~MxDSObjectList
 
 // FUNCTION: LEGO1 0x100c1060
-// MxStreamListMxNextActionDataStart::~MxStreamListMxNextActionDataStart
+// MxNextActionDataStartList::~MxNextActionDataStartList
 
 // TEMPLATE: LEGO1 0x100c10b0
 // MxStreamList<MxDSSubscriber *>::~MxStreamList<MxDSSubscriber *>
diff --git a/LEGO1/omni/include/mxstreamlist.h b/LEGO1/omni/include/mxstreamlist.h
deleted file mode 100644
index 36a9350a3d..0000000000
--- a/LEGO1/omni/include/mxstreamlist.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#ifndef MXSTREAMLIST_H
-#define MXSTREAMLIST_H
-
-#include "mxdsstreamingaction.h"
-#include "mxdssubscriber.h"
-#include "mxnextactiondatastart.h"
-#include "mxstl/stlcompat.h"
-
-template <class T>
-class MxStreamList : public list<T> {
-public:
-	MxBool PopFront(T& p_obj)
-	{
-		if (this->empty()) {
-			return FALSE;
-		}
-
-		p_obj = this->front();
-		this->pop_front();
-		return TRUE;
-	}
-};
-
-// SIZE 0x0c
-class MxStreamListMxDSAction : public MxStreamList<MxDSAction*> {
-public:
-	// FUNCTION: BETA10 0x10150e30
-	MxDSAction* FindAndErase(MxDSAction* p_action) { return FindInternal(p_action, TRUE); }
-
-	// FUNCTION: BETA10 0x10150fc0
-	MxDSAction* Find(MxDSAction* p_action) { return FindInternal(p_action, FALSE); }
-
-	// There chance this list actually holds MxDSStreamingListAction
-	// instead of MxDSAction. Until then, we use this helper.
-	MxBool PopFrontStreamingAction(MxDSStreamingAction*& p_obj)
-	{
-		if (empty()) {
-			return FALSE;
-		}
-
-		p_obj = (MxDSStreamingAction*) front();
-		pop_front();
-		return TRUE;
-	}
-
-private:
-	MxDSAction* FindInternal(MxDSAction* p_action, MxBool p_delete);
-};
-
-// SIZE 0x0c
-class MxStreamListMxNextActionDataStart : public MxStreamList<MxNextActionDataStart*> {
-public:
-	MxNextActionDataStart* Find(MxU32 p_id, MxS16 p_value);
-	MxNextActionDataStart* FindAndErase(MxU32 p_id, MxS16 p_value);
-};
-
-// SIZE 0x0c
-class MxStreamListMxDSSubscriber : public MxStreamList<MxDSSubscriber*> {
-public:
-	MxDSSubscriber* Find(MxDSObject* p_object);
-};
-
-// TEMPLATE: BETA10 0x10150950
-// MxStreamList<MxDSAction *>::PopFront
-
-// TEMPLATE: BETA10 0x10150a70
-// MxStreamList<MxDSSubscriber *>::PopFront
-
-#endif // MXSTREAMLIST_H
diff --git a/LEGO1/omni/include/mxutilitylist.h b/LEGO1/omni/include/mxutilitylist.h
new file mode 100644
index 0000000000..c9f75f77c5
--- /dev/null
+++ b/LEGO1/omni/include/mxutilitylist.h
@@ -0,0 +1,23 @@
+#ifndef MXUTILITYLIST_H
+#define MXUTILITYLIST_H
+
+#include "mxstl/mxstl.h"
+
+// Probably should be defined somewhere else
+
+template <class T>
+class MxUtilityList : public list<T> {
+public:
+	MxBool PopFront(T& p_obj)
+	{
+		if (this->empty()) {
+			return FALSE;
+		}
+
+		p_obj = this->front();
+		this->pop_front();
+		return TRUE;
+	}
+};
+
+#endif // MXUTILITYLIST_H
diff --git a/LEGO1/omni/src/action/mxdsobject.cpp b/LEGO1/omni/src/action/mxdsobject.cpp
index 3bb189c712..6cea1ea0cb 100644
--- a/LEGO1/omni/src/action/mxdsobject.cpp
+++ b/LEGO1/omni/src/action/mxdsobject.cpp
@@ -17,7 +17,8 @@
 #include <stdlib.h>
 #include <string.h>
 
-DECOMP_SIZE_ASSERT(MxDSObject, 0x2c);
+DECOMP_SIZE_ASSERT(MxDSObject, 0x2c)
+DECOMP_SIZE_ASSERT(MxDSObjectList, 0x0c)
 
 // FUNCTION: LEGO1 0x100bf6a0
 // FUNCTION: BETA10 0x101478c0
@@ -172,6 +173,38 @@ void MxDSObject::Deserialize(MxU8*& p_source, MxS16 p_unk0x24)
 	m_unk0x24 = p_unk0x24;
 }
 
+// FUNCTION: LEGO1 0x100bfa80
+// FUNCTION: BETA10 0x10147e02
+MxDSObject* MxDSObjectList::FindInternal(MxDSObject* p_action, MxBool p_delete)
+{
+	// DECOMP ALPHA 0x1008b99d ?
+
+	MxDSObject* found = NULL;
+
+#ifdef COMPAT_MODE
+	iterator it;
+	for (it = begin(); it != end(); it++) {
+#else
+	for (iterator it = begin(); it != end(); it++) {
+#endif
+		if (p_action->GetObjectId() == -1 || p_action->GetObjectId() == (*it)->GetObjectId()) {
+			if (p_action->GetUnknown24() == -2 || p_action->GetUnknown24() == -3 ||
+				p_action->GetUnknown24() == (*it)->GetUnknown24()) {
+				found = *it;
+				if (p_action->GetUnknown24() != -3) {
+					break;
+				}
+			}
+		}
+	}
+
+	if (p_delete && found != NULL) {
+		erase(it);
+	}
+
+	return found;
+}
+
 // FUNCTION: LEGO1 0x100bfb30
 // FUNCTION: BETA10 0x10147f35
 MxDSObject* DeserializeDSObjectDispatch(MxU8*& p_source, MxS16 p_flags)
diff --git a/LEGO1/omni/src/main/mxomni.cpp b/LEGO1/omni/src/main/mxomni.cpp
index 883aa008a4..b851b6fd51 100644
--- a/LEGO1/omni/src/main/mxomni.cpp
+++ b/LEGO1/omni/src/main/mxomni.cpp
@@ -340,7 +340,7 @@ MxLong MxOmni::HandleEndAction(MxParam& p_param)
 	MxStreamController* controller = Streamer()->GetOpenStream(action->GetAtomId().GetInternal());
 
 	if (controller != NULL) {
-		action = controller->GetUnk0x54().Find(action);
+		action = (MxDSAction*) controller->GetUnk0x54().Find(action);
 		if (action) {
 			if (ActionSourceEquals(action, "LegoLoopingAnimPresenter") == FALSE) {
 				delete controller->GetUnk0x54().FindAndErase(action);
diff --git a/LEGO1/omni/src/stream/mxdiskstreamcontroller.cpp b/LEGO1/omni/src/stream/mxdiskstreamcontroller.cpp
index 2e7407647e..c1341877a3 100644
--- a/LEGO1/omni/src/stream/mxdiskstreamcontroller.cpp
+++ b/LEGO1/omni/src/stream/mxdiskstreamcontroller.cpp
@@ -35,9 +35,9 @@ MxDiskStreamController::~MxDiskStreamController()
 #endif
 	}
 
-	MxDSAction* action;
-	while (m_unk0x3c.PopFront(action)) {
-		delete action;
+	MxDSObject* object;
+	while (m_unk0x3c.PopFront(object)) {
+		delete object;
 	}
 
 	if (m_provider) {
@@ -47,12 +47,12 @@ MxDiskStreamController::~MxDiskStreamController()
 
 	FUN_100c8720();
 
-	while (m_list0x80.PopFront(action)) {
-		FUN_100c7cb0((MxDSStreamingAction*) action);
+	while (m_list0x80.PopFront(object)) {
+		FUN_100c7cb0((MxDSStreamingAction*) object);
 	}
 
-	while (m_list0x64.PopFront(action)) {
-		FUN_100c7cb0((MxDSStreamingAction*) action);
+	while (m_list0x64.PopFront(object)) {
+		FUN_100c7cb0((MxDSStreamingAction*) object);
 	}
 
 	while (!m_list0x74.empty()) {
@@ -162,7 +162,7 @@ void MxDiskStreamController::FUN_100c7980()
 MxDSStreamingAction* MxDiskStreamController::VTable0x28()
 {
 	AUTOLOCK(m_criticalSection);
-	MxDSAction* oldAction;
+	MxDSObject* oldAction;
 	MxDSStreamingAction* result = NULL;
 	MxU32 filesize = m_provider->GetFileSize();
 
@@ -252,10 +252,9 @@ MxDSStreamingAction* MxDiskStreamController::FUN_100c7db0()
 {
 	AUTOLOCK(m_criticalSection);
 
-	for (MxStreamListMxNextActionDataStart::iterator it = m_nextActionList.begin(); it != m_nextActionList.end();
-		 it++) {
+	for (MxNextActionDataStartList::iterator it = m_nextActionList.begin(); it != m_nextActionList.end(); it++) {
 		MxNextActionDataStart* data = *it;
-		for (MxStreamListMxDSAction::iterator it2 = m_list0x64.begin(); it2 != m_list0x64.end(); it2++) {
+		for (MxDSObjectList::iterator it2 = m_list0x64.begin(); it2 != m_list0x64.end(); it2++) {
 			MxDSStreamingAction* streamingAction = (MxDSStreamingAction*) *it2;
 			if (streamingAction->GetObjectId() == data->GetObjectId() &&
 				streamingAction->GetUnknown24() == data->GetUnknown24() &&
@@ -320,7 +319,7 @@ void MxDiskStreamController::FUN_100c8120(MxDSAction* p_action)
 	}
 
 	while (TRUE) {
-		MxDSAction* found = m_unk0x54.FindAndErase(p_action);
+		MxDSObject* found = m_unk0x54.FindAndErase(p_action);
 		if (!found) {
 			break;
 		}
diff --git a/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp b/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
index 1f7dba15db..eb6cbc546c 100644
--- a/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
+++ b/LEGO1/omni/src/stream/mxdiskstreamprovider.cpp
@@ -38,15 +38,15 @@ MxResult MxDiskStreamProviderThread::StartWithTarget(MxDiskStreamProvider* p_tar
 // FUNCTION: LEGO1 0x100d0f70
 MxDiskStreamProvider::MxDiskStreamProvider()
 {
-	this->m_pFile = NULL;
-	this->m_remainingWork = FALSE;
-	this->m_unk0x35 = FALSE;
+	m_pFile = NULL;
+	m_remainingWork = FALSE;
+	m_unk0x35 = FALSE;
 }
 
 // FUNCTION: LEGO1 0x100d1240
 MxDiskStreamProvider::~MxDiskStreamProvider()
 {
-	MxDSStreamingAction* action;
+	MxDSObject* action;
 	m_unk0x35 = FALSE;
 
 	do {
@@ -54,18 +54,18 @@ MxDiskStreamProvider::~MxDiskStreamProvider()
 
 		{
 			AUTOLOCK(m_criticalSection);
-			m_list.PopFrontStreamingAction(action);
+			m_list.PopFront(action);
 		}
 
 		if (!action) {
 			break;
 		}
 
-		if (action->GetUnknowna0()->GetWriteOffset() < 0x20000) {
+		if (((MxDSStreamingAction*) action)->GetUnknowna0()->GetWriteOffset() < 0x20000) {
 			g_unk0x10102878--;
 		}
 
-		((MxDiskStreamController*) m_pLookup)->FUN_100c8670(action);
+		((MxDiskStreamController*) m_pLookup)->FUN_100c8670((MxDSStreamingAction*) action);
 	} while (action);
 
 	if (m_remainingWork) {
@@ -116,7 +116,7 @@ MxResult MxDiskStreamProvider::SetResourceToGet(MxStreamController* p_resource)
 // FUNCTION: LEGO1 0x100d15e0
 void MxDiskStreamProvider::VTable0x20(MxDSAction* p_action)
 {
-	MxDSStreamingAction* action;
+	MxDSObject* action;
 
 	if (p_action->GetObjectId() == -1) {
 		m_unk0x35 = FALSE;
@@ -126,18 +126,18 @@ void MxDiskStreamProvider::VTable0x20(MxDSAction* p_action)
 
 			{
 				AUTOLOCK(m_criticalSection);
-				m_list.PopFrontStreamingAction(action);
+				m_list.PopFront(action);
 			}
 
 			if (!action) {
 				return;
 			}
 
-			if (action->GetUnknowna0()->GetWriteOffset() < 0x20000) {
+			if (((MxDSStreamingAction*) action)->GetUnknowna0()->GetWriteOffset() < 0x20000) {
 				g_unk0x10102878--;
 			}
 
-			((MxDiskStreamController*) m_pLookup)->FUN_100c8670(action);
+			((MxDiskStreamController*) m_pLookup)->FUN_100c8670((MxDSStreamingAction*) action);
 		} while (action);
 	}
 	else {
@@ -151,11 +151,11 @@ void MxDiskStreamProvider::VTable0x20(MxDSAction* p_action)
 				return;
 			}
 
-			if (action->GetUnknowna0()->GetWriteOffset() < 0x20000) {
+			if (((MxDSStreamingAction*) action)->GetUnknowna0()->GetWriteOffset() < 0x20000) {
 				g_unk0x10102878--;
 			}
 
-			((MxDiskStreamController*) m_pLookup)->FUN_100c8670(action);
+			((MxDiskStreamController*) m_pLookup)->FUN_100c8670((MxDSStreamingAction*) action);
 		} while (action);
 	}
 }
@@ -213,14 +213,14 @@ MxResult MxDiskStreamProvider::FUN_100d1780(MxDSStreamingAction* p_action)
 void MxDiskStreamProvider::PerformWork()
 {
 	MxDiskStreamController* controller = (MxDiskStreamController*) m_pLookup;
-	MxDSStreamingAction* streamingAction = NULL;
+	MxDSObject* streamingAction = NULL;
 
 	{
 		AUTOLOCK(m_criticalSection);
 		if (!m_list.empty()) {
-			streamingAction = (MxDSStreamingAction*) m_list.front();
+			streamingAction = m_list.front();
 
-			if (streamingAction && !FUN_100d1af0(streamingAction)) {
+			if (streamingAction && !FUN_100d1af0((MxDSStreamingAction*) streamingAction)) {
 				m_thread.Sleep(500);
 				m_busySemaphore.Release(1);
 				return;
@@ -233,33 +233,33 @@ void MxDiskStreamProvider::PerformWork()
 	{
 		AUTOLOCK(m_criticalSection);
 
-		if (!m_list.PopFrontStreamingAction(streamingAction)) {
+		if (!m_list.PopFront(streamingAction)) {
 			goto done;
 		}
 	}
 
-	if (streamingAction->GetUnknowna0()->GetWriteOffset() < 0x20000) {
+	if (((MxDSStreamingAction*) streamingAction)->GetUnknowna0()->GetWriteOffset() < 0x20000) {
 		g_unk0x10102878--;
 	}
 
-	buffer = streamingAction->GetUnknowna0();
+	buffer = ((MxDSStreamingAction*) streamingAction)->GetUnknowna0();
 
-	if (m_pFile->GetPosition() == streamingAction->GetBufferOffset() ||
-		m_pFile->Seek(streamingAction->GetBufferOffset(), SEEK_SET) == 0) {
+	if (m_pFile->GetPosition() == ((MxDSStreamingAction*) streamingAction)->GetBufferOffset() ||
+		m_pFile->Seek(((MxDSStreamingAction*) streamingAction)->GetBufferOffset(), SEEK_SET) == 0) {
 		buffer->SetUnknown14(m_pFile->GetPosition());
 
 		if (m_pFile->ReadToBuffer(buffer) == SUCCESS) {
 			buffer->SetUnknown1c(m_pFile->GetPosition());
 
-			if (streamingAction->GetUnknown9c() > 0) {
-				FUN_100d1b20(streamingAction);
+			if (((MxDSStreamingAction*) streamingAction)->GetUnknown9c() > 0) {
+				FUN_100d1b20(((MxDSStreamingAction*) streamingAction));
 			}
 			else {
 				if (m_pLookup == NULL || !((MxDiskStreamController*) m_pLookup)->GetUnk0xc4()) {
-					controller->FUN_100c8670(streamingAction);
+					controller->FUN_100c8670(((MxDSStreamingAction*) streamingAction));
 				}
 				else {
-					controller->FUN_100c7f40(streamingAction);
+					controller->FUN_100c7f40(((MxDSStreamingAction*) streamingAction));
 				}
 			}
 
@@ -269,7 +269,7 @@ void MxDiskStreamProvider::PerformWork()
 
 done:
 	if (streamingAction) {
-		controller->FUN_100c8670(streamingAction);
+		controller->FUN_100c8670(((MxDSStreamingAction*) streamingAction));
 	}
 
 	m_thread.Sleep(0);
diff --git a/LEGO1/omni/src/stream/mxdssubscriber.cpp b/LEGO1/omni/src/stream/mxdssubscriber.cpp
index 8900ff6945..36051667ac 100644
--- a/LEGO1/omni/src/stream/mxdssubscriber.cpp
+++ b/LEGO1/omni/src/stream/mxdssubscriber.cpp
@@ -2,7 +2,8 @@
 
 #include "mxstreamcontroller.h"
 
-DECOMP_SIZE_ASSERT(MxDSSubscriber, 0x4c);
+DECOMP_SIZE_ASSERT(MxDSSubscriber, 0x4c)
+DECOMP_SIZE_ASSERT(MxDSSubscriberList, 0x0c)
 
 // FUNCTION: LEGO1 0x100b7bb0
 MxDSSubscriber::MxDSSubscriber()
@@ -135,3 +136,18 @@ void MxDSSubscriber::FreeDataChunk(MxStreamChunk* p_chunk)
 		}
 	}
 }
+
+// FUNCTION: LEGO1 0x100b8450
+// FUNCTION: BETA10 0x10134c1d
+MxDSSubscriber* MxDSSubscriberList::Find(MxDSObject* p_object)
+{
+	for (iterator it = begin(); it != end(); it++) {
+		if (p_object->GetObjectId() == -1 || p_object->GetObjectId() == (*it)->GetObjectId()) {
+			if (p_object->GetUnknown24() == -2 || p_object->GetUnknown24() == (*it)->GetUnknown48()) {
+				return *it;
+			}
+		}
+	}
+
+	return NULL;
+}
diff --git a/LEGO1/omni/src/stream/mxramstreamcontroller.cpp b/LEGO1/omni/src/stream/mxramstreamcontroller.cpp
index 46d11196c3..c856d69532 100644
--- a/LEGO1/omni/src/stream/mxramstreamcontroller.cpp
+++ b/LEGO1/omni/src/stream/mxramstreamcontroller.cpp
@@ -43,7 +43,7 @@ MxResult MxRAMStreamController::VTable0x20(MxDSAction* p_action)
 
 	if (p_action->GetUnknown24() == -1) {
 		p_action->SetUnknown24(-3);
-		MxDSAction* action = m_unk0x54.Find(p_action);
+		MxDSObject* action = m_unk0x54.Find(p_action);
 		if (action != NULL) {
 			unk0x24 = action->GetUnknown24() + 1;
 		}
diff --git a/LEGO1/omni/src/stream/mxstreamchunk.cpp b/LEGO1/omni/src/stream/mxstreamchunk.cpp
index 4cf4fe4bb6..24c134452b 100644
--- a/LEGO1/omni/src/stream/mxstreamchunk.cpp
+++ b/LEGO1/omni/src/stream/mxstreamchunk.cpp
@@ -1,7 +1,7 @@
 #include "mxstreamchunk.h"
 
 #include "mxdsbuffer.h"
-#include "mxstreamlist.h"
+#include "mxdssubscriber.h"
 #include "mxutilities.h"
 
 // FUNCTION: LEGO1 0x100c2fe0
@@ -58,9 +58,9 @@ MxU32 MxStreamChunk::ReadChunkHeader(MxU8* p_chunkData)
 
 // FUNCTION: LEGO1 0x100c30e0
 // FUNCTION: BETA10 0x10151517
-MxResult MxStreamChunk::SendChunk(MxStreamListMxDSSubscriber& p_subscriberList, MxBool p_append, MxS16 p_obj24val)
+MxResult MxStreamChunk::SendChunk(MxDSSubscriberList& p_subscriberList, MxBool p_append, MxS16 p_obj24val)
 {
-	for (MxStreamListMxDSSubscriber::iterator it = p_subscriberList.begin(); it != p_subscriberList.end(); it++) {
+	for (MxDSSubscriberList::iterator it = p_subscriberList.begin(); it != p_subscriberList.end(); it++) {
 		if ((*it)->GetObjectId() == m_objectId && (*it)->GetUnknown48() == p_obj24val) {
 			if (m_flags & DS_CHUNK_END_OF_STREAM && m_buffer) {
 				m_buffer->ReleaseRef(this);
diff --git a/LEGO1/omni/src/stream/mxstreamcontroller.cpp b/LEGO1/omni/src/stream/mxstreamcontroller.cpp
index 35b1315cb9..4552d7ef14 100644
--- a/LEGO1/omni/src/stream/mxstreamcontroller.cpp
+++ b/LEGO1/omni/src/stream/mxstreamcontroller.cpp
@@ -14,6 +14,7 @@
 
 DECOMP_SIZE_ASSERT(MxStreamController, 0x64)
 DECOMP_SIZE_ASSERT(MxNextActionDataStart, 0x14)
+DECOMP_SIZE_ASSERT(MxNextActionDataStartList, 0x0c)
 
 // FUNCTION: LEGO1 0x100b9400
 MxResult MxStreamController::VTable0x18(undefined4, undefined4)
@@ -53,7 +54,7 @@ MxStreamController::~MxStreamController()
 		delete subscriber;
 	}
 
-	MxDSAction* action;
+	MxDSObject* action;
 	while (m_unk0x3c.PopFront(action)) {
 		delete action;
 	}
@@ -135,7 +136,7 @@ MxResult MxStreamController::VTable0x24(MxDSAction* p_action)
 {
 	AUTOLOCK(m_criticalSection);
 	VTable0x30(p_action);
-	m_action0x60 = m_unk0x54.FindAndErase(p_action);
+	m_action0x60 = (MxDSAction*) m_unk0x54.FindAndErase(p_action);
 	if (m_action0x60 == NULL) {
 		return FAILURE;
 	}
@@ -166,8 +167,8 @@ MxResult MxStreamController::FUN_100c1a00(MxDSAction* p_action, MxU32 p_offset)
 		MxS16 newUnknown24 = -1;
 
 		// These loops might be a template function in the list classes
-		for (MxStreamListMxDSAction::iterator it = m_unk0x54.begin(); it != m_unk0x54.end(); it++) {
-			MxDSAction* action = *it;
+		for (MxDSObjectList::iterator it = m_unk0x54.begin(); it != m_unk0x54.end(); it++) {
+			MxDSObject* action = *it;
 
 			if (action->GetObjectId() == p_action->GetObjectId()) {
 				newUnknown24 = Max(newUnknown24, action->GetUnknown24());
@@ -175,8 +176,8 @@ MxResult MxStreamController::FUN_100c1a00(MxDSAction* p_action, MxU32 p_offset)
 		}
 
 		if (newUnknown24 == -1) {
-			for (MxStreamListMxDSAction::iterator it = m_unk0x3c.begin(); it != m_unk0x3c.end(); it++) {
-				MxDSAction* action = *it;
+			for (MxDSObjectList::iterator it = m_unk0x3c.begin(); it != m_unk0x3c.end(); it++) {
+				MxDSObject* action = *it;
 
 				if (action->GetObjectId() == p_action->GetObjectId()) {
 					newUnknown24 = Max(newUnknown24, action->GetUnknown24());
@@ -184,8 +185,7 @@ MxResult MxStreamController::FUN_100c1a00(MxDSAction* p_action, MxU32 p_offset)
 			}
 
 			if (newUnknown24 == -1) {
-				for (MxStreamListMxDSSubscriber::iterator it = m_subscriberList.begin(); it != m_subscriberList.end();
-					 it++) {
+				for (MxDSSubscriberList::iterator it = m_subscriberList.begin(); it != m_subscriberList.end(); it++) {
 					MxDSSubscriber* subscriber = *it;
 
 					if (subscriber->GetObjectId() == p_action->GetObjectId()) {
@@ -235,7 +235,7 @@ MxResult MxStreamController::VTable0x30(MxDSAction* p_action)
 {
 	AUTOLOCK(m_criticalSection);
 	MxResult result = FAILURE;
-	MxDSAction* action = m_unk0x3c.FindAndErase(p_action);
+	MxDSObject* action = m_unk0x3c.FindAndErase(p_action);
 	if (action != NULL) {
 		MxNextActionDataStart* data = m_nextActionList.FindAndErase(action->GetObjectId(), action->GetUnknown24());
 		delete action;
@@ -266,7 +266,7 @@ MxPresenter* MxStreamController::FUN_100c1e70(MxDSAction& p_action)
 	AUTOLOCK(m_criticalSection);
 	MxPresenter* result = NULL;
 	if (p_action.GetObjectId() != -1) {
-		MxDSAction* action = m_unk0x3c.Find(&p_action);
+		MxDSObject* action = m_unk0x3c.Find(&p_action);
 		if (action != NULL) {
 			result = action->GetUnknown28();
 		}
@@ -344,3 +344,33 @@ MxBool MxStreamController::IsStoped(MxDSObject* p_obj)
 
 	return TRUE;
 }
+
+// FUNCTION: LEGO1 0x100c21e0
+// FUNCTION: BETA10 0x1014f4e6
+MxNextActionDataStart* MxNextActionDataStartList::Find(MxU32 p_id, MxS16 p_value)
+{
+	for (iterator it = begin(); it != end(); it++) {
+		if (p_id == (*it)->GetObjectId() && p_value == (*it)->GetUnknown24()) {
+			return *it;
+		}
+	}
+
+	return NULL;
+}
+
+// FUNCTION: LEGO1 0x100c2240
+// FUNCTION: BETA10 0x1014f58c
+MxNextActionDataStart* MxNextActionDataStartList::FindAndErase(MxU32 p_id, MxS16 p_value)
+{
+	MxNextActionDataStart* match = NULL;
+
+	for (iterator it = begin(); it != end(); it++) {
+		if (p_id == (*it)->GetObjectId() && (p_value == -2 || p_value == (*it)->GetUnknown24())) {
+			match = *it;
+			erase(it);
+			break;
+		}
+	}
+
+	return match;
+}
diff --git a/LEGO1/omni/src/stream/mxstreamer.cpp b/LEGO1/omni/src/stream/mxstreamer.cpp
index c3a64cf9c6..bb5f1cb530 100644
--- a/LEGO1/omni/src/stream/mxstreamer.cpp
+++ b/LEGO1/omni/src/stream/mxstreamer.cpp
@@ -2,6 +2,7 @@
 
 #include "mxdebug.h"
 #include "mxdiskstreamcontroller.h"
+#include "mxdsaction.h"
 #include "mxmisc.h"
 #include "mxnotificationmanager.h"
 #include "mxramstreamcontroller.h"
diff --git a/LEGO1/omni/src/stream/mxstreamlist.cpp b/LEGO1/omni/src/stream/mxstreamlist.cpp
deleted file mode 100644
index 37e594634b..0000000000
--- a/LEGO1/omni/src/stream/mxstreamlist.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#include "mxstreamlist.h"
-
-// Wrappers around STL list that are used by the MxStream* classes.
-DECOMP_SIZE_ASSERT(MxStreamListMxDSAction, 0x0c);
-DECOMP_SIZE_ASSERT(MxStreamListMxNextActionDataStart, 0x0c);
-DECOMP_SIZE_ASSERT(MxStreamListMxDSSubscriber, 0x0c);
-
-// FUNCTION: LEGO1 0x100b8450
-// FUNCTION: BETA10 0x10134c1d
-MxDSSubscriber* MxStreamListMxDSSubscriber::Find(MxDSObject* p_object)
-{
-	for (iterator it = begin(); it != end(); it++) {
-		if (p_object->GetObjectId() == -1 || p_object->GetObjectId() == (*it)->GetObjectId()) {
-			if (p_object->GetUnknown24() == -2 || p_object->GetUnknown24() == (*it)->GetUnknown48()) {
-				return *it;
-			}
-		}
-	}
-
-	return NULL;
-}
-
-// FUNCTION: LEGO1 0x100bfa80
-// FUNCTION: BETA10 0x10147e02
-MxDSAction* MxStreamListMxDSAction::FindInternal(MxDSAction* p_action, MxBool p_delete)
-{
-	// DECOMP ALPHA 0x1008b99d ?
-
-	MxDSAction* found = NULL;
-
-#ifdef COMPAT_MODE
-	iterator it;
-	for (it = begin(); it != end(); it++) {
-#else
-	for (iterator it = begin(); it != end(); it++) {
-#endif
-		if (p_action->GetObjectId() == -1 || p_action->GetObjectId() == (*it)->GetObjectId()) {
-			if (p_action->GetUnknown24() == -2 || p_action->GetUnknown24() == -3 ||
-				p_action->GetUnknown24() == (*it)->GetUnknown24()) {
-				found = *it;
-				if (p_action->GetUnknown24() != -3) {
-					break;
-				}
-			}
-		}
-	}
-
-	if (p_delete && found != NULL) {
-		erase(it);
-	}
-
-	return found;
-}
-
-// FUNCTION: LEGO1 0x100c21e0
-// FUNCTION: BETA10 0x1014f4e6
-MxNextActionDataStart* MxStreamListMxNextActionDataStart::Find(MxU32 p_id, MxS16 p_value)
-{
-	for (iterator it = begin(); it != end(); it++) {
-		if (p_id == (*it)->GetObjectId() && p_value == (*it)->GetUnknown24()) {
-			return *it;
-		}
-	}
-
-	return NULL;
-}
-
-// FUNCTION: LEGO1 0x100c2240
-// FUNCTION: BETA10 0x1014f58c
-MxNextActionDataStart* MxStreamListMxNextActionDataStart::FindAndErase(MxU32 p_id, MxS16 p_value)
-{
-	MxNextActionDataStart* match = NULL;
-
-	for (iterator it = begin(); it != end(); it++) {
-		if (p_id == (*it)->GetObjectId() && (p_value == -2 || p_value == (*it)->GetUnknown24())) {
-			match = *it;
-			erase(it);
-			break;
-		}
-	}
-
-	return match;
-}