5 files changed, 113 insertions, 30 deletions

diff --git a/src/core/Pools.cpp b/src/core/Pools.cpp
index 847fa753..8e66b049 100644
--- a/src/core/Pools.cpp
+++ b/src/core/Pools.cpp
@@ -1,6 +1,8 @@
 #include "common.h"
 #include "patcher.h"
 #include "Pools.h"
+#include "World.h"
+#include "ProjectileInfo.h"
 
 CCPtrNodePool *&CPools::ms_pPtrNodePool = *(CCPtrNodePool**)0x943044;
 CEntryInfoNodePool *&CPools::ms_pEntryInfoNodePool = *(CEntryInfoNodePool**)0x941448;
@@ -12,15 +14,9 @@ CObjectPool *&CPools::ms_pObjectPool = *(CObjectPool**)0x880E28;
 CDummyPool *&CPools::ms_pDummyPool = *(CDummyPool**)0x8F2C18;
 CAudioScriptObjectPool *&CPools::ms_pAudioScriptObjectPool = *(CAudioScriptObjectPool**)0x8F1B6C;
 
-WRAPPER void CPools::Initialise(void) { EAXJMP(0x4A1770); }
-WRAPPER void CPools::MakeSureSlotInObjectPoolIsEmpty(int32 handle) { EAXJMP(0x4A2DB0); }
-
-#if 0
 void
 CPools::Initialise(void)
 {
-	// TODO: unused right now
-	assert(0);
 	ms_pPtrNodePool = new CCPtrNodePool(NUMPTRNODES);
 	ms_pEntryInfoNodePool = new CEntryInfoNodePool(NUMENTRYINFOS);
 	ms_pPedPool = new CPedPool(NUMPEDS);
@@ -31,7 +27,33 @@ CPools::Initialise(void)
 	ms_pDummyPool = new CDummyPool(NUMDUMMIES);
 	ms_pAudioScriptObjectPool = new CAudioScriptObjectPool(NUMAUDIOSCRIPTOBJECTS);
 }
-#endif
+
+void
+CPools::ShutDown(void)
+{

+	debug("PtrNodes left %d\n", ms_pPtrNodePool->GetNoOfUsedSpaces());

+	debug("EntryInfoNodes left %d\n", ms_pEntryInfoNodePool->GetNoOfUsedSpaces());

+	debug("Peds left %d\n", ms_pPedPool->GetNoOfUsedSpaces());

+	debug("Vehicles left %d\n", ms_pVehiclePool->GetNoOfUsedSpaces());

+	debug("Buildings left %d\n", ms_pBuildingPool->GetNoOfUsedSpaces());

+	debug("Treadables left %d\n", ms_pTreadablePool->GetNoOfUsedSpaces());

+	debug("Objects left %d\n", ms_pObjectPool->GetNoOfUsedSpaces());

+	debug("Dummys left %d\n", ms_pDummyPool->GetNoOfUsedSpaces());

+	debug("AudioScriptObjects left %d\n", ms_pAudioScriptObjectPool->GetNoOfUsedSpaces());

+	printf("Shutdown pool started\n");
+
+	delete ms_pPtrNodePool;
+	delete ms_pEntryInfoNodePool;
+	delete ms_pPedPool;
+	delete ms_pVehiclePool;
+	delete ms_pBuildingPool;
+	delete ms_pTreadablePool;
+	delete ms_pObjectPool;
+	delete ms_pDummyPool;
+	delete ms_pAudioScriptObjectPool;
+
+	printf("Shutdown pool done\n");
+}
 
 int32 CPools::GetPedRef(CPed *ped) { return ms_pPedPool->GetIndex(ped); }
 CPed *CPools::GetPed(int32 handle) { return ms_pPedPool->GetAt(handle); }
@@ -39,3 +61,47 @@ int32 CPools::GetVehicleRef(CVehicle *vehicle) { return ms_pVehiclePool->GetInde
 CVehicle *CPools::GetVehicle(int32 handle) { return ms_pVehiclePool->GetAt(handle); }
 int32 CPools::GetObjectRef(CObject *object) { return ms_pObjectPool->GetIndex(object); }
 CObject *CPools::GetObject(int32 handle) { return ms_pObjectPool->GetAt(handle); }
+
+void

+CPools::CheckPoolsEmpty()

+{

+	assert(ms_pPedPool->GetNoOfUsedSpaces() == 0);

+	assert(ms_pVehiclePool->GetNoOfUsedSpaces() == 0);

+	printf("pools have beem cleared \n");

+}
+
+
+void
+CPools::MakeSureSlotInObjectPoolIsEmpty(int32 slot)
+{
+	if (ms_pObjectPool->IsFreeSlot(slot)) return;
+
+	CObject *object = ms_pObjectPool->GetSlot(slot);
+	if (object->ObjectCreatedBy == TEMP_OBJECT) {
+		CWorld::Remove(object);
+		delete object;
+	} else if (!CProjectileInfo::RemoveIfThisIsAProjectile(object)) {
+		// relocate to another slot??
+		CObject *newObject = new CObject();
+		CWorld::Remove(object);
+		memcpy(newObject, object, ms_pObjectPool->GetMaxEntrySize());
+		CWorld::Add(newObject);
+		object->m_rwObject = nil;
+		delete object;
+		newObject->m_pFirstReference = nil;
+	}
+}
+
+
+STARTPATCHES
+	InjectHook(0x4A1770, CPools::Initialise, PATCH_JUMP);
+	InjectHook(0x4A1880, CPools::ShutDown, PATCH_JUMP);
+	InjectHook(0x4A1A50, CPools::CheckPoolsEmpty, PATCH_JUMP);
+	InjectHook(0x4A1A80, CPools::GetPedRef, PATCH_JUMP);
+	InjectHook(0x4A1AA0, CPools::GetPed, PATCH_JUMP);
+	InjectHook(0x4A1AC0, CPools::GetVehicleRef, PATCH_JUMP);
+	InjectHook(0x4A1AE0, CPools::GetVehicle, PATCH_JUMP);
+	InjectHook(0x4A1B00, CPools::GetObjectRef, PATCH_JUMP);
+	InjectHook(0x4A1B20, CPools::GetObject, PATCH_JUMP);
+	InjectHook(0x4A2DB0, CPools::MakeSureSlotInObjectPoolIsEmpty, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/core/Pools.h b/src/core/Pools.h
index 4e6bd547..770a1de1 100644
--- a/src/core/Pools.h
+++ b/src/core/Pools.h
@@ -43,11 +43,13 @@ public:
 	static CAudioScriptObjectPool *GetAudioScriptObjectPool(void) { return ms_pAudioScriptObjectPool; }
 
 	static void Initialise(void);
+	static void ShutDown(void);
 	static int32 GetPedRef(CPed *ped);
 	static CPed *GetPed(int32 handle);
 	static int32 GetVehicleRef(CVehicle *vehicle);
 	static CVehicle *GetVehicle(int32 handle);
 	static int32 GetObjectRef(CObject *object);
 	static CObject *GetObject(int32 handle);
-	static void MakeSureSlotInObjectPoolIsEmpty(int32 handle);
+	static void CheckPoolsEmpty();
+	static void MakeSureSlotInObjectPoolIsEmpty(int32 slot);
 };
diff --git a/src/core/Streaming.cpp b/src/core/Streaming.cpp
index d9dc8628..69e14869 100644
--- a/src/core/Streaming.cpp
+++ b/src/core/Streaming.cpp
@@ -226,7 +226,7 @@ CStreaming::Init(void)
         CModelInfo::GetModelInfo("IslandLODsubIND", &islandLODsubInd);
         CModelInfo::GetModelInfo("IslandLODsubCOM", &islandLODsubCom);
 
-	for(i = 0; i < CPools::GetBuildingPool()->GetSize(); i++){
+	for(i = CPools::GetBuildingPool()->GetSize()-1; i >= 0; i--){
 		CBuilding *building = CPools::GetBuildingPool()->GetSlot(i);
 		if(building == nil)
 			continue;
@@ -682,8 +682,8 @@ CStreaming::RequestBigBuildings(eLevelName level)
 	int i, n;
 	CBuilding *b;
 
-	n = CPools::GetBuildingPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetBuildingPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		b = CPools::GetBuildingPool()->GetSlot(i);
 		if(b && b->bIsBIGBuilding && b->m_level == level)
 			RequestModel(b->GetModelIndex(), STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
@@ -837,8 +837,8 @@ CStreaming::RemoveBuildings(eLevelName level)
 	CEntity *e;
 	CBaseModelInfo *mi;
 
-	n = CPools::GetBuildingPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetBuildingPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetBuildingPool()->GetSlot(i);
 		if(e && e->m_level == level){
 			mi = CModelInfo::GetModelInfo(e->GetModelIndex());
@@ -850,8 +850,8 @@ CStreaming::RemoveBuildings(eLevelName level)
 		}
 	}
 
-	n = CPools::GetTreadablePool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetTreadablePool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetTreadablePool()->GetSlot(i);
 		if(e && e->m_level == level){
 			mi = CModelInfo::GetModelInfo(e->GetModelIndex());
@@ -863,8 +863,8 @@ CStreaming::RemoveBuildings(eLevelName level)
 		}
 	}
 
-	n = CPools::GetObjectPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetObjectPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetObjectPool()->GetSlot(i);
 		if(e && e->m_level == level){
 			mi = CModelInfo::GetModelInfo(e->GetModelIndex());
@@ -876,8 +876,8 @@ CStreaming::RemoveBuildings(eLevelName level)
 		}
 	}
 
-	n = CPools::GetDummyPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetDummyPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetDummyPool()->GetSlot(i);
 		if(e && e->m_level == level){
 			mi = CModelInfo::GetModelInfo(e->GetModelIndex());
@@ -951,8 +951,8 @@ CStreaming::RemoveBigBuildings(eLevelName level)
 	CEntity *e;
 	CBaseModelInfo *mi;
 
-	n = CPools::GetBuildingPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetBuildingPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetBuildingPool()->GetSlot(i);
 		if(e && e->bIsBIGBuilding && e->m_level == level){
 			mi = CModelInfo::GetModelInfo(e->GetModelIndex());
@@ -1172,8 +1172,8 @@ CStreaming::HaveAllBigBuildingsLoaded(eLevelName level)
 			return;
 	}
 
-	n = CPools::GetBuildingPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetBuildingPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetBuildingPool()->GetSlot(i);
 		if(e && e->bIsBIGBuilding && e->m_level == level &&
 		   ms_aInfoForModel[e->GetModelIndex()].m_loadState != STREAMSTATE_LOADED)
diff --git a/src/core/ZoneCull.cpp b/src/core/ZoneCull.cpp
index dc162147..6d33a1cf 100644
--- a/src/core/ZoneCull.cpp
+++ b/src/core/ZoneCull.cpp
@@ -169,22 +169,22 @@ CCullZones::MarkSubwayAsInvisible(bool visible)
 	CEntity *e;
 	CVehicle *v;
 
-	n = CPools::GetBuildingPool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetBuildingPool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetBuildingPool()->GetSlot(i);
 		if(e && e->bIsSubway)
 			e->bIsVisible = visible;
 	}
 
-	n = CPools::GetTreadablePool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetTreadablePool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		e = CPools::GetTreadablePool()->GetSlot(i);
 		if(e && e->bIsSubway)
 			e->bIsVisible = visible;
 	}
 
-	n = CPools::GetVehiclePool()->GetSize();
-	for(i = 0; i < n; i++){
+	n = CPools::GetVehiclePool()->GetSize()-1;
+	for(i = n; i >= 0; i--){
 		v = CPools::GetVehiclePool()->GetSlot(i);
 		if(v && v->IsTrain() && ((CTrain*)v)->m_nTrackId != TRACK_ELTRAIN)
 			v->bIsVisible = visible;
diff --git a/src/core/templates.h b/src/core/templates.h
index ef2db33a..f785d647 100644
--- a/src/core/templates.h
+++ b/src/core/templates.h
@@ -44,7 +44,20 @@ public:
 			m_flags[i].free = 1;
 		}
 	}
-	int GetSize(void) { return m_size; }
+	~CPool() {
+		Flush();
+	}
+	void Flush() {
+		if (m_size > 0) {
+			free(m_entries);
+			free(m_flags);
+			m_entries = nil;
+			m_flags = nil;
+			m_size = 0;
+			m_allocPtr = 0;
+		}
+	}
+	int GetSize(void) const { return m_size; }
 	T *New(void){
 		bool wrapped = false;
 		do
@@ -101,12 +114,14 @@ public:
 				n++;
 		return n;
 	}
+	bool IsFreeSlot(int i) { return !!m_flags[i].free; }
 	void ClearStorage(uint8 *&flags, U *&entries){
 		free(flags);
 		free(entries);
 		flags = nil;
 		entries = nil;
 	}
+	uint32 GetMaxEntrySize() const { return sizeof(U); }
 	void CopyBack(uint8 *&flags, U *&entries){
 		memcpy(m_flags, flags, sizeof(uint8)*m_size);
 		memcpy(m_entries, entries, sizeof(U)*m_size);