Dynamic objects now working

Code needs cleaning up though, and replacing Vector with LVector, and adding culling for dynamics.

SCsub

@@ -7,7 +7,8 @@ sources = [
     "lroom_manager.cpp",
     "lportal.cpp",
     "lplanes_pool.cpp",
-    "CoBitField_Dynamic.cpp",
+    "ldob.cpp",
+    "lbitfield_dynamic.cpp",
 ]
 
 module_env = env.Clone()

lbitfield_dynamic.cpp

@@ -0,0 +1,93 @@
+#include "lbitfield_dynamic.h"
+
+#include <string.h>
+
+
+namespace Lawn { // namespace start
+
+void LBitField_Dynamic::Initialize() {assert (0 && "LBitField_Dynamic : Does not support Initialize, use IT version");}
+void LBitField_Dynamic::Terminate() {assert (0 && "LBitField_Dynamic : Does not support Terminate, use IT version");}
+
+ 
+void LBitField_Dynamic_IT::Initialize()
+{
+	Initialize_Do();
+}
+
+void LBitField_Dynamic_IT::Terminate()
+{
+	Terminate_Do();
+}
+
+
+void LBitField_Dynamic_IT::Initialize_Do()
+{
+	memset (this, 0, sizeof (LBitField_Dynamic));
+}
+
+void LBitField_Dynamic_IT::Terminate_Do()
+{
+	Destroy();
+}
+
+void LBitField_Dynamic_IT::CopyFrom(const LBitField_Dynamic_IT &source)
+{
+	Create(source.GetNumBits(), false);
+	memcpy(m_pucData, source.GetData(), source.GetNumBytes());
+}
+
+
+void LBitField_Dynamic_IT::Create(unsigned int uiNumBits, bool bBlank)
+{
+	// first delete any initial
+	Destroy();
+
+	m_uiNumBits = uiNumBits;
+	if (uiNumBits)
+	{
+		m_uiNumBytes = (uiNumBits / 8) + 1;
+
+		m_pucData = new unsigned char[m_uiNumBytes];
+
+		if (bBlank)
+			Blank(false);
+	}
+}
+
+void LBitField_Dynamic_IT::Destroy()
+{
+	if (m_pucData)
+	{
+		delete[] m_pucData;
+		m_pucData = 0;
+	}
+
+	memset (this, 0, sizeof (LBitField_Dynamic));
+}
+
+
+void LBitField_Dynamic_IT::Blank(bool bSetOrZero)
+{
+	if (bSetOrZero)
+	{
+		memset(m_pucData, 255, m_uiNumBytes);
+	}
+	else
+	{
+		memset(m_pucData, 0, m_uiNumBytes);
+	}
+}
+
+void LBitField_Dynamic_IT::Invert()
+{
+	for (unsigned int n=0; n<m_uiNumBytes; n++)
+	{
+		m_pucData[n] = ~m_pucData[n];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////
+
+
+
+} // namespace end

lbitfield_dynamic.h

@@ -0,0 +1,91 @@
+#pragma once
+
+#include <assert.h>
+
+namespace Lawn { // namespace start
+
+class LBitField_Dynamic_IT
+{
+public:
+	// construction
+	void Initialize();
+	void Terminate();
+
+private:
+	// prevent copying (see effective C++ scott meyers)
+	// there is no implementation for copy constructor, hence compiler will complain if you try to copy.
+	LBitField_Dynamic_IT& operator=(const LBitField_Dynamic_IT&);
+public:
+
+	// create automatically blanks
+	void Create(unsigned int uiNumBits, bool bBlank = true);
+	void Destroy();
+
+	// public funcs
+	inline unsigned int GetNumBits() const {return m_uiNumBits;}
+	inline unsigned int GetBit(unsigned int uiBit) const;
+	inline void SetBit(unsigned int uiBit, unsigned int bSet);
+	void Blank(bool bSetOrZero = false);
+	void Invert();
+	void CopyFrom(const LBitField_Dynamic_IT &source);
+
+	// loading / saving
+	unsigned char * GetData() {return m_pucData;}
+	const unsigned char * GetData() const {return m_pucData;}
+	unsigned int GetNumBytes() const {return m_uiNumBytes;}
+
+protected:
+	// member funcs
+	void Initialize_Do();
+	void Terminate_Do();
+
+	// member vars
+	unsigned char * m_pucData;
+	unsigned int m_uiNumBytes;
+	unsigned int m_uiNumBits;
+};
+
+class LBitField_Dynamic : public LBitField_Dynamic_IT
+{
+public:
+	// call initialize and terminate automatically
+	LBitField_Dynamic(unsigned int uiNumBits) {Initialize_Do(); Create(uiNumBits);}
+	LBitField_Dynamic() {Initialize_Do();}
+	~LBitField_Dynamic() {Terminate_Do();}
+
+	// disallow explicit calls
+	void Initialize();
+	void Terminate();
+};
+
+
+//////////////////////////////////////////////////////////
+inline unsigned int LBitField_Dynamic_IT::GetBit(unsigned int uiBit) const
+{
+	assert (m_pucData);
+	unsigned int uiByteNumber = uiBit >> 3; // divide by 8
+	assert (uiByteNumber < m_uiNumBytes);
+	unsigned char uc = m_pucData[uiByteNumber];
+	unsigned int uiBitSet = uc & (1 << (uiBit & 7));
+	return uiBitSet;
+}
+
+inline void LBitField_Dynamic_IT::SetBit(unsigned int uiBit, unsigned int bSet)
+{
+	assert (m_pucData);
+	unsigned int uiByteNumber = uiBit >> 3; // divide by 8
+	assert (uiByteNumber < m_uiNumBytes);
+	unsigned char uc = m_pucData[uiByteNumber];
+	unsigned int uiMask = 1 << (uiBit & 7);
+	if (bSet)
+	{
+		uc = uc | uiMask;
+	}
+	else
+	{
+		uc &= ~uiMask;
+	}
+	m_pucData[uiByteNumber] = uc;
+}
+
+} // namespace end

ldob.cpp

@@ -0,0 +1,2 @@
+#include "ldob.h"
+

ldob.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "scene/3d/spatial.h"
+
+class LDob
+{
+public:
+	ObjectID m_ID;
+};

lportal.cpp

@@ -22,11 +22,21 @@
 #include "core/engine.h"
 #include "lroom.h"
 
+
+bool LPortal::m_bRunning = false;
+
 void LPortal::print(String sz)
 {
-//	print_line(sz);
+	if (m_bRunning)
+	{
+	}
+	else
+	{
+		print_line(sz);
+	}
 }
 
+
 bool LPortal::NameStartsWith(Node * pNode, String szSearch)
 {
 	int sl = szSearch.length();
@@ -99,7 +109,7 @@ LPortal::eClipResult LPortal::ClipWithPlane(const Plane &p) const
 	{
 		float d = p.distance_to(m_ptsWorld[n]);
 
-		if  (d >= 0.0)
+		if  (d >= 0.0f)
 			nOutside++;
 	}
 
@@ -224,7 +234,7 @@ void LPortal::SortVertsClockwise()
 		double SmallestAngle = -1;
 		int Smallest = -1;
 
-		for (unsigned int m=n+1; m<nPoints; m++)
+		for (int m=n+1; m<nPoints; m++)
 		{
 			if (p.distance_to(verts[m]) > 0.0f)
 //			if (p.WhichSideNDLCompatible(m_Verts[m], 0.0f) != CoPlane::NEGATIVE_SIDE)

lportal.h

@@ -36,6 +36,7 @@ class LPortal : public Spatial {
 	GDCLASS(LPortal, Spatial);
 
 	friend class LRoom;
+	friend class LRoomManager;
 private:
 
 	enum eClipResult
@@ -80,12 +81,13 @@ private:
 
 	void SortVertsClockwise();
 	void ReverseWindingOrder();
-
-// useful funcs
 public:
+// useful funcs
 	static bool NameStartsWith(Node * pNode, String szSearch);
 	static String FindNameAfter(Node * pNode, String szStart);
 	static void print(String sz);
+protected:
+	static bool m_bRunning;
 };
 
 

lroom.cpp

@@ -22,7 +22,7 @@
 #include "core/engine.h"
 #include "scene/3d/mesh_instance.h"
 #include "lportal.h"
-#include "CoBitField_Dynamic.h"
+#include "lbitfield_dynamic.h"
 #include "lroom_manager.h"
 
 void LRoom::print(String sz)
@@ -33,9 +33,157 @@ void LRoom::print(String sz)
 
 LRoom::LRoom() {
 	m_LocalRoomID = -1;
+	m_uiFrameTouched = 0;
 }
 
-void LRoom::DetermineVisibility_Recursive(LRoomManager &manager, int depth, const LCamera &cam, const LVector<Plane> &planes, Core::CoBitField_Dynamic &BF_visible, ObjectID portalID_from)
+
+
+void LRoom::AddDOB(Spatial * pDOB)
+{
+	LDob dob;
+	dob.m_ID = pDOB->get_instance_id();
+
+	m_DOBs.push_back(dob);
+}
+
+bool LRoom::RemoveDOB(Node * pDOB)
+{
+	ObjectID id = pDOB->get_instance_id();
+
+	for (int n=0; n<m_DOBs.size(); n++)
+	{
+		if (m_DOBs[n].m_ID == id)
+		{
+			m_DOBs.remove(n);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+
+// returns -1 if no change, or the objectID of the linked room
+LRoom * LRoom::UpdateDOB(Spatial * pDOB)
+{
+	const Vector3 &pt = pDOB->get_global_transform().origin;
+
+	const float slop = 0.2f;
+
+	// the camera can't have slop because we might end up front side of a door without entering the room,
+	// hence can't see into the room through the portal!
+//	if (bCamera)
+//		slop = 0.0f;
+
+	// check each portal - has the object crossed it into the neighbouring room?
+	int nPortals = m_portal_IDs.size();
+	for (int p=0; p<nPortals; p++)
+	{
+		ObjectID id = m_portal_IDs[p];
+
+		// get the portal
+		Object *pObj = ObjectDB::get_instance(id);
+
+		// assuming is a portal
+		LPortal * pPortal = Object::cast_to<LPortal>(pObj);
+
+		if (!pPortal)
+		{
+			WARN_PRINT_ONCE("LRoom::UpdateDynamicObject : Not a portal");
+			continue;
+		}
+
+		float dist = pPortal->m_Plane.distance_to(pt);
+
+		if (dist > slop)
+		{
+			print("DOB at pos " + pt + " ahead of portal " + pPortal->get_name() + " by " + String(Variant(dist)));
+
+			// move into the adjoining room
+			return pPortal->GetLinkedRoom();
+
+//			LRoom * pNewRoom = pPortal->GetLinkedRoom();
+//			if (pNewRoom)
+//			{
+//				// detach from this room and add to the new room
+//				remove_child(pDynObj);
+//				pNewRoom->add_child(pDynObj);
+//				// only allow one transition per frame
+//				return true;
+//			}
+//			else
+//			{
+//				WARN_PRINT_ONCE("LRoom::UpdateDynamicObject : portal linked room is NULL");
+//			}
+		}
+	}
+
+	return 0;
+}
+
+/*
+// assumes that the object is within, or just outside the bounds of the room...
+// if not the results will be 'interesting'.
+// Works simply by detecting crossing portals
+bool LRoom::UpdateDynamicObject(Node * pDynObj)
+{
+	Spatial * pSpatial = Object::cast_to<Spatial>(pDynObj);
+	if (!pSpatial)
+	{
+		WARN_PRINT_ONCE("LRoom::UpdateDynamicObject : object is not a spatial");
+		return false;
+	}
+
+	const Vector3 &pt = pSpatial->get_global_transform().origin;
+
+	const float slop = 0.2f;
+
+	// check each portal - has the object crossed it into the neighbouring room?
+	int nPortals = m_portal_IDs.size();
+	for (int p=0; p<nPortals; p++)
+	{
+		ObjectID id = m_portal_IDs[p];
+
+		// get the portal
+		Object *pObj = ObjectDB::get_instance(id);
+
+		// assuming is a portal
+		LPortal * pPortal = Object::cast_to<LPortal>(pObj);
+
+		if (!pPortal)
+		{
+			WARN_PRINT_ONCE("LRoom::UpdateDynamicObject : Not a portal");
+			continue;
+		}
+
+		float dist = pPortal->m_Plane.distance_to(pt);
+
+		if (dist > slop)
+		{
+			print("DOB at pos " + pt + " ahead of portal " + pPortal->get_name() + " by " + String(Variant(dist)));
+
+			// move into the adjoining room
+			LRoom * pNewRoom = pPortal->GetLinkedRoom();
+			if (pNewRoom)
+			{
+				// detach from this room and add to the new room
+				remove_child(pDynObj);
+				pNewRoom->add_child(pDynObj);
+				// only allow one transition per frame
+				return true;
+			}
+			else
+			{
+				WARN_PRINT_ONCE("LRoom::UpdateDynamicObject : portal linked room is NULL");
+			}
+		}
+	}
+
+	return false;
+}
+*/
+
+void LRoom::DetermineVisibility_Recursive(LRoomManager &manager, int depth, const LCamera &cam, const LVector<Plane> &planes, Lawn::LBitField_Dynamic &BF_visible, ObjectID portalID_from)
 {
 	// prevent too much depth
 	if (depth >= 8)
@@ -46,6 +194,10 @@ void LRoom::DetermineVisibility_Recursive(LRoomManager &manager, int depth, cons
 
 	print("DetermineVisibility_Recursive from " + get_name());
 
+	// set the frame counter
+	assert (manager.m_uiFrameCounter > m_uiFrameTouched);
+	m_uiFrameTouched = manager.m_uiFrameCounter;
+
 	// show this room and add to visible list of rooms
 	show();
 	BF_visible.SetBit(m_LocalRoomID, true);
@@ -126,22 +278,32 @@ void LRoom::DetermineVisibility_Recursive(LRoomManager &manager, int depth, cons
 			continue;
 		}
 
-		const Vector3 &portal_normal = pPortal->m_Plane.normal;
+		// have we already handled the room on this frame?
-		print("\ttesting portal " + pPortal->get_name() + " normal " + portal_normal);
+		// get the room pointed to by the portal
+		LRoom * pLinkedRoom = pPortal->GetLinkedRoom();
+		if (pLinkedRoom->m_uiFrameTouched == manager.m_uiFrameCounter)
+			continue;
+
+//		const Vector3 &portal_normal = pPortal->m_Plane.normal;
+//		print("\ttesting portal " + pPortal->get_name() + " normal " + portal_normal);
 
 		// direction with the camera? (might not need to check)
-		float dot = cam.m_ptDir.dot(portal_normal);
+//		float dot = cam.m_ptDir.dot(portal_normal);
-		if (dot <= 0.0f)
+//		if (dot <= -0.0f) // 0.0
-		{
+//		{
-			Variant vd = dot;
+//			Variant vd = dot;
-			print("\t\tportal culled (wrong direction) dot is " + String(vd));
+//			print("\t\tportal culled (wrong direction) dot is " + String(vd));
-			continue;
+//			continue;
-		}
+//		}
 
 		// is it culled by the planes?
 		LPortal::eClipResult overall_res = LPortal::eClipResult::CLIP_INSIDE;
 
-		for (int l=0; l<planes.size(); l++)
+		// for portals, we want to ignore the near clipping plane, as we might be right on the edge of a doorway
+		// and still want to look through the portal.
+		// So we are starting this loop from 1, ASSUMING that plane zero is the near clipping plane.
+		// If it isn't we would need a different strategy
+		for (int l=1; l<planes.size(); l++)
 		{
 			LPortal::eClipResult res = pPortal->ClipWithPlane(planes[l]);
 
@@ -179,8 +341,6 @@ void LRoom::DetermineVisibility_Recursive(LRoomManager &manager, int depth, cons
 			// add the planes for the portal
 			pPortal->AddPlanes(cam.m_ptPos, new_planes);
 
-			// get the room pointed to by the portal
-			LRoom * pLinkedRoom = pPortal->GetLinkedRoom();
 			if (pLinkedRoom)
 				pLinkedRoom->DetermineVisibility_Recursive(manager, depth + 1, cam, new_planes, BF_visible, id);
 

lroom.h

@@ -29,9 +29,10 @@
 
 #include "scene/3d/spatial.h"
 #include "lvector.h"
+#include "ldob.h"
 
 
-namespace Core {class CoBitField_Dynamic;}
+namespace Lawn {class LBitField_Dynamic;}
 
 class LPortal;
 class LRoomManager;
@@ -55,13 +56,21 @@ private:
 	// a quick list of object IDs of child portals of this room
 	Vector<ObjectID> m_portal_IDs;
 
+	// godot vector for now .. can be lvector
+	Vector<LDob> m_DOBs;
+
+	// Just very rough, room centre for determining start rooms of dobs
+	Vector3 m_ptCentre;
+
 	// in the Room Manager, NOT the godot object ID
 	int m_LocalRoomID;
 
+	// frame counter when last touched .. prevents handling rooms multiple times
+	unsigned int m_uiFrameTouched;
+
 protected:
 	static void _bind_methods();
 
-public:
 	// initial setup, allows importing portals as meshes from modelling program,
 	// which will be auto converted to LPortals with this method
 	void DetectPortalMeshes();
@@ -70,8 +79,14 @@ public:
 	void MakePortalQuickList();
 
 	// main function
-	void DetermineVisibility_Recursive(LRoomManager &manager, int depth, const LCamera &cam, const LVector<Plane> &planes, Core::CoBitField_Dynamic &BF_visible, ObjectID portalID_from = 0);
+	void DetermineVisibility_Recursive(LRoomManager &manager, int depth, const LCamera &cam, const LVector<Plane> &planes, Lawn::LBitField_Dynamic &BF_visible, ObjectID portalID_from = 0);
 
+	// dynamic objects
+//	bool UpdateDynamicObject(Node * pDynObj);
+
+	void AddDOB(Spatial * pDOB);
+	bool RemoveDOB(Node * pDOB);
+	LRoom * UpdateDOB(Spatial * pDOB);
 // specific
 public:
 	LRoom();

lroom_manager.cpp

@@ -23,14 +23,204 @@
 #include "lroom.h"
 #include "core/engine.h"
 #include "scene/3d/camera.h"
+#include "scene/3d/mesh_instance.h"
 
 LRoomManager::LRoomManager()
 {
-	m_room_curr = 0;
+//	m_room_curr = 0;
 	m_cameraID = 0;
-
+	m_uiFrameCounter = 0;
 }
 
+int LRoomManager::FindClosestRoom(const Vector3 &pt) const
+{
+	//print_line("FindClosestRoom");
+	int closest = -1;
+	float closest_dist = FLT_MAX;
+
+	for (int n=0; n<m_room_IDs.size(); n++)
+	{
+		LRoom * pRoom = GetRoomNum(n);
+		if (!pRoom)
+			continue;
+
+		float d = pt.distance_squared_to(pRoom->m_ptCentre);
+//		print_line("\troom " + itos(n) + " dist " + String(Variant(d)));
+
+		if (d < closest_dist)
+		{
+			closest = n;
+			closest_dist = d;
+		}
+	}
+
+	return closest;
+}
+
+
+LRoom * LRoomManager::GetRoomNum(int i) const
+{
+	assert (i < m_room_IDs.size());
+	Object *pObj = ObjectDB::get_instance(m_room_IDs[i]);
+	if (!pObj)
+		return 0;
+
+	LRoom * pRoom = Object::cast_to<LRoom>(pObj);
+	if (!pRoom)
+		return 0;
+
+	return pRoom;
+}
+
+int LRoomManager::GetRoomNumFromLRoom(LRoom * pRoom) const
+{
+	// slow .. use metadata for this
+	int search_id = pRoom->get_instance_id();
+
+	for (int n=0; n<m_room_IDs.size(); n++)
+	{
+		if (m_room_IDs[n] == search_id)
+			return n;
+	}
+
+	return -1;
+}
+
+
+void LRoomManager::Obj_SetRoomNum(Node * pNode, int num)
+{
+	pNode->set_meta("_lroom", num);
+
+	assert (Obj_GetRoomNum(pNode) == num);
+}
+
+int LRoomManager::Obj_GetRoomNum(Node * pNode) const
+{
+	//assert (pNode->has_meta("_lroom"));
+	Variant v = pNode->get_meta("_lroom");
+	if (v.get_type() == Variant::NIL)
+		return -1;
+
+	return v;
+}
+
+LRoom * LRoomManager::GetRoomFromDOB(Node * pNode) const
+{
+	int iRoom = Obj_GetRoomNum(pNode);
+	if (iRoom == -1)
+	{
+		WARN_PRINT_ONCE("LRoomManager::GetRoomFromDOB : metadata is empty");
+		return 0;
+	}
+
+	LRoom * pRoom = GetRoomNum(iRoom);
+	if (pRoom == 0)
+	{
+		WARN_PRINT_ONCE("LRoomManager::GetRoomFromDOB : pRoom is NULL");
+	}
+	return pRoom;
+}
+
+
+void LRoomManager::register_dob(Node * pDOB)
+{
+	print_line("register_dob " + pDOB->get_name());
+
+	Spatial * pSpat = Object::cast_to<Spatial>(pDOB);
+	if (!pSpat)
+		return;
+
+	Vector3 pt = pSpat->get_global_transform().origin;
+
+	int iRoomNum = FindClosestRoom(pt);
+	print_line("register_dob closest room " + itos(iRoomNum));
+
+	if (iRoomNum == -1)
+		return;
+
+	LRoom * pRoom = GetRoomNum(iRoomNum);
+	if (!pRoom)
+		return;
+
+	pRoom->AddDOB(pSpat);
+
+	// save the room ID on the dob metadata
+	Obj_SetRoomNum(pSpat, iRoomNum);
+}
+
+
+bool LRoomManager::update_dob(Node * pDOB)
+{
+	// find the room the object is attached to
+	LRoom * pRoom = GetRoomFromDOB(pDOB);
+	if (!pRoom)
+		return false;
+
+	Spatial * pSpat = Object::cast_to<Spatial>(pDOB);
+	if (!pSpat)
+		return false;
+
+	// is it the camera?
+	//bool bCamera = pDOB->get_instance_id() == m_cameraID;
+
+	LRoom * pNewRoom = pRoom->UpdateDOB(pSpat);
+
+	if (pNewRoom)
+	{
+		// remove from the list in old room and add to list in new room, and change the metadata
+		int iRoomNum = GetRoomNumFromLRoom(pNewRoom);
+
+		pRoom->RemoveDOB(pDOB);
+		pNewRoom->AddDOB(pSpat);
+
+		// save the room ID on the dob metadata
+		Obj_SetRoomNum(pSpat, iRoomNum);
+	}
+
+	return false;
+}
+
+bool LRoomManager::teleport_dob(Node * pDOB)
+{
+	return true;
+}
+
+
+
+void LRoomManager::unregister_dob(Node * pDOB)
+{
+	LRoom * pRoom = GetRoomFromDOB(pDOB);
+	pRoom->RemoveDOB(pDOB);
+}
+
+
+/*
+bool LRoomManager::update_object(Node * pObj)
+{
+	// find the room the object is attached to
+	Node * pParent = pObj->get_parent();
+	LRoom * pRoom = Object::cast_to<LRoom>(pParent);
+	if (!pRoom)
+	{
+		WARN_PRINT_ONCE("LRoomManager::update_object : object parent is not an LRoom");
+		return false;
+	}
+
+	bool bChanged = pRoom->UpdateDynamicObject(pObj);
+
+	// special .. for camera keep the camera room ID up to date
+	// could alternatively just use the parent of the camera?
+//	if (bChanged)
+//	{
+//		if (pObj->get_instance_id() == m_cameraID)
+//		{
+//			m_room_curr = pObj->get_parent()->get_instance_id();
+//		}
+//	}
+
+	return bChanged;
+}
+*/
 
 void LRoomManager::set_camera(Node * pCam)
 {
@@ -47,16 +237,21 @@ void LRoomManager::set_camera(Node * pCam)
 	}
 
 	m_cameraID = pCam->get_instance_id();
+
+	// use this temporarily to force debug
+	LPortal::m_bRunning = false;
 }
 
 // convert empties and meshes to rooms and portals
 void LRoomManager::convert()
 {
+	LPortal::m_bRunning = false;
 	print_line("running convert");
 
 	Convert_Rooms();
 	Convert_Portals();
 	Find_Rooms();
+	LPortal::m_bRunning = true;
 }
 
 void LRoomManager::Find_Rooms()
@@ -78,6 +273,7 @@ void LRoomManager::Find_Rooms()
 		}
 	}
 
+	/*
 	m_room_curr = 0;
 
 	// just set current room to first room
@@ -86,6 +282,7 @@ void LRoomManager::Find_Rooms()
 		m_room_curr = m_room_IDs[0];
 		print_line("first room ID is " + itos(m_room_curr));
 	}
+	*/
 
 	// make sure bitfield is right size for number of rooms
 	m_BF_visible_rooms.Create(m_room_IDs.size());
@@ -179,20 +376,55 @@ bool LRoomManager::Convert_Room(Spatial * pNode)
 	// make the transform of the L room match the original spatial
 	pNew->set_transform(pNode->get_transform());
 
+	// New .. room is at origin, all the child nodes are now transformed
+	// so everything is in world space ... makes dynamic objects changing rooms easier
+	//Transform tr_orig = pNode->get_transform();
+
 	int nChildren = pNode->get_child_count();
 
+	LAABB bb_room;
+	bb_room.SetToMaxOpposite();
+
 	for (int n=0; n<nChildren; n++)
 	{
 		// reverse count
 		int c = nChildren - n - 1;
 
 		Node * pChild = pNode->get_child(c);
+
+		// change the transform of the child to take away the room transform
+//		Spatial * pSChild = Object::cast_to<Spatial>(pChild);
+//		Transform tr_world;
+//		if (pSChild)
+//		{
+//			tr_world = pSChild->get_global_transform();
+//		}
+
+		// update bound to find centre of room roughly
+		VisualInstance * pVI = Object::cast_to<VisualInstance>(pChild);
+		if (pVI)
+		{
+			AABB bb = pVI->get_transformed_aabb();
+			bb_room.ExpandToEnclose(bb);
+		}
+
+
 		pNode->remove_child(pChild);
 
 		// add the child to the new node
 		pNew->add_child(pChild);
+
+
+//		if (pSChild)
+//		{
+//			pSChild->set_transform(tr_world);
+//		}
+
 	}
 
+	pNew->m_ptCentre = bb_room.FindCentre();
+	print_line(String(pNew->get_name()) + " centre " + pNew->m_ptCentre);
+
 	// all moved .. now finally delete the empty
 	remove_child(pNode);
 	pNode->queue_delete();
@@ -208,22 +440,41 @@ void LRoomManager::FrameUpdate()
 		return;
 	}
 
-	// if not started
+	m_uiFrameCounter++;
-	if (!m_room_curr)
+
+	// get the camera desired and make into lcamera
+	Camera * pCamera = 0;
+	if (m_cameraID)
+	{
+		Object *pObj = ObjectDB::get_instance(m_cameraID);
+		pCamera = Object::cast_to<Camera>(pObj);
+	}
+	else
+		// camera not set
 		return;
 
+	// camera not a camera??
+	if (!pCamera)
+		return;
+
+	// if not started
+//	if (!m_room_curr)
+//		return;
+
 	// determine visibility
-	Object *pObj = ObjectDB::get_instance(m_room_curr);
+//	Object *pObj = ObjectDB::get_instance(m_room_curr);
+	LRoom * pRoom = GetRoomFromDOB(pCamera);
+//	Node * pObj = pCamera->get_parent();
 
-	if (!pObj)
+//	if (!pObj)
-		return;
+//		return;
 
-	LRoom * pRoom = Object::cast_to<LRoom>(pObj);
+//	LRoom * pRoom = Object::cast_to<LRoom>(pObj);
 	if (!pRoom)
 	{
 		WARN_PRINT_ONCE("LRoomManager::FrameUpdate : curr room is not an LRoom");
-		print_line("curr room is not an LRoom");
+		//print_line("LRoomManager::FrameUpdate : curr room is not an LRoom");
-		m_room_curr = 0;
+//		m_room_curr = 0;
 		return;
 	}
 
@@ -242,19 +493,14 @@ void LRoomManager::FrameUpdate()
 	planes.clear();
 
 	// get the camera desired and make into lcamera
-	if (m_cameraID)
+	assert (pCamera);
+//	if (pCamera)
 	{
-		Object *pObj = ObjectDB::get_instance(m_cameraID);
+		Transform tr = pCamera->get_global_transform();
+		cam.m_ptPos = tr.origin;
+		cam.m_ptDir = tr.basis.get_row(2); // or possibly get_axis .. z is what we want
 
-		Camera * pCamera = Object::cast_to<Camera>(pObj);
+		planes.copy_from(pCamera->get_frustum());
-		if (pCamera)
-		{
-			Transform tr = pCamera->get_global_transform();
-			cam.m_ptPos = tr.origin;
-			cam.m_ptDir = tr.basis.get_row(2); // or possibly get_axis .. z is what we want
-
-			planes.copy_from(pCamera->get_frustum());
-		}
 	}
 
 	pRoom->DetermineVisibility_Recursive(*this, 0, cam, planes, m_BF_visible_rooms);
@@ -276,6 +522,9 @@ void LRoomManager::FrameUpdate()
 		}
 	}
 
+	LPortal::m_bRunning = true;
+
+
 	// only do once for now
 //	m_room_curr = 0;
 }
@@ -317,7 +566,14 @@ void LRoomManager::_notification(int p_what) {
 
 void LRoomManager::_bind_methods()
 {
-	ClassDB::bind_method(D_METHOD("convert"), &LRoomManager::convert);
+	ClassDB::bind_method(D_METHOD("rooms_convert"), &LRoomManager::convert);
-	ClassDB::bind_method(D_METHOD("set_camera"), &LRoomManager::set_camera);
+	ClassDB::bind_method(D_METHOD("rooms_set_camera"), &LRoomManager::set_camera);
+//	ClassDB::bind_method(D_METHOD("update_object"), &LRoomManager::update_object);
+
+
+	ClassDB::bind_method(D_METHOD("dob_register"), &LRoomManager::register_dob);
+	ClassDB::bind_method(D_METHOD("dob_unregister"), &LRoomManager::unregister_dob);
+	ClassDB::bind_method(D_METHOD("dob_update"), &LRoomManager::update_dob);
+	ClassDB::bind_method(D_METHOD("dob_teleport"), &LRoomManager::teleport_dob);
 
 }

lroom_manager.h

@@ -27,9 +27,46 @@
 */
 
 #include "scene/3d/spatial.h"
-#include "CoBitField_Dynamic.h"
+#include "lbitfield_dynamic.h"
 #include "lplanes_pool.h"
 
+
+class LRoom;
+
+// simple min max aabb
+class LAABB
+{
+public:
+	Vector3 m_ptMins;
+	Vector3 m_ptMaxs;
+	void SetToMaxOpposite()
+	{
+		float ma = FLT_MAX;
+		float mi = FLT_MIN;
+		m_ptMins = Vector3(ma, ma, ma);
+		m_ptMaxs = Vector3(mi, mi, mi);
+	}
+	void ExpandToEnclose(const AABB &bb)
+	{
+		if 	(bb.position.x < m_ptMins.x) m_ptMins.x = bb.position.x;
+		if 	(bb.position.y < m_ptMins.y) m_ptMins.y = bb.position.y;
+		if 	(bb.position.z < m_ptMins.z) m_ptMins.z = bb.position.z;
+		if 	(bb.position.x + bb.size.x > m_ptMaxs.x) m_ptMaxs.x = bb.position.x + bb.size.x;
+		if 	(bb.position.y + bb.size.y > m_ptMaxs.y) m_ptMaxs.y = bb.position.y + bb.size.y;
+		if 	(bb.position.z + bb.size.z > m_ptMaxs.z) m_ptMaxs.z = bb.position.z + bb.size.z;
+	}
+	Vector3 FindCentre() const
+	{
+		Vector3 pt;
+		pt.x = (m_ptMaxs.x - m_ptMins.x) * 0.5f;
+		pt.y = (m_ptMaxs.y - m_ptMins.y) * 0.5f;
+		pt.z = (m_ptMaxs.z - m_ptMins.z) * 0.5f;
+		pt += m_ptMins;
+		return pt;
+	}
+};
+
+
 class LRoomManager : public Spatial {
 	GDCLASS(LRoomManager, Spatial);
 
@@ -38,14 +75,18 @@ class LRoomManager : public Spatial {
 	// a quick list of object IDs of child rooms
 	Vector<ObjectID> m_room_IDs;
 
-	ObjectID m_room_curr;
+//	ObjectID m_room_curr;
 	ObjectID m_cameraID;
 
 	// keep track of which rooms are visible, so we can hide ones that aren't hit that were previously on
-	Core::CoBitField_Dynamic m_BF_visible_rooms;
+	Lawn::LBitField_Dynamic m_BF_visible_rooms;
 	Vector<int> m_VisibleRoomList[2];
 	int m_CurrentVisibleRoomList;
 
+	// keep a frame counter, to mark when objects have been hit by the visiblity algorithm
+	// already to prevent multiple hits on rooms and objects
+	unsigned int m_uiFrameCounter;
+
 public:
 	LRoomManager();
 
@@ -56,17 +97,35 @@ public:
 	// normally this will be your main camera, but you can choose another for debugging
 	void set_camera(Node * pCam);
 
+	// updating dynamic objects in case they move out of their current room
+	void register_dob(Node * pDOB);
+	void unregister_dob(Node * pDOB);
+	bool update_dob(Node * pDOB);
+	bool teleport_dob(Node * pDOB);
+
+
 protected:
 	static void _bind_methods();
 	void _notification(int p_what);
 
 	LPlanesPool m_Pool;
 private:
+	// one time conversion and setup
 	void Convert_Rooms();
 	bool Convert_Room(Spatial * pNode);
 	void Convert_Portals();
 	void Find_Rooms();
 
+	// helper funcs
+	LRoom * GetRoomNum(int i) const;
+	LRoom * GetRoomFromDOB(Node * pNode) const;
+	int GetRoomNumFromLRoom(LRoom * pRoom) const;
+	int FindClosestRoom(const Vector3 &pt) const;
+
+	int Obj_GetRoomNum(Node * pNode) const;
+	void Obj_SetRoomNum(Node * pNode, int num);
+
+
 	void FrameUpdate();
 };
 

lvector.h

@@ -16,7 +16,7 @@ public:
 	}
 	const T& operator[](unsigned int ui) const
 	{
-		assert (ui < m_iSize);
+		assert (ui < (unsigned int) m_iSize);
 		return m_Vec[ui];
 	}
 
@@ -39,7 +39,7 @@ public:
 
 	void set(unsigned int ui, const T &t)
 	{
-		assert (ui < m_iSize);
+		assert (ui < (unsigned int) m_iSize);
 		m_Vec.set(ui, t);
 	}