16 files changed, 388 insertions, 45 deletions

diff --git a/src/Collision.cpp b/src/Collision.cpp
index 774caf9d..2ab609f1 100644
--- a/src/Collision.cpp
+++ b/src/Collision.cpp
@@ -1,7 +1,20 @@
 #include "common.h"
 #include "patcher.h"
+#include "main.h"
+#include "Lists.h"
 #include "Game.h"
+#include "Zones.h"
 #include "General.h"
+#include "CullZones.h"
+#include "World.h"
+#include "Entity.h"
+#include "Train.h"
+#include "Streaming.h"
+#include "Pad.h"
+#include "DMAudio.h"
+#include "Population.h"
+#include "FileLoader.h"
+#include "Replay.h"
 #include "RenderBuffer.h"
 #include "SurfaceTable.h"
 #include "Collision.h"
@@ -19,8 +32,6 @@ enum Direction
 eLevelName &CCollision::ms_collisionInMemory = *(eLevelName*)0x8F6250;
 CLinkList<CColModel*> &CCollision::ms_colModelCache = *(CLinkList<CColModel*>*)0x95CB58;
 
-#if 0
-
 void
 CCollision::Init(void)
 {
@@ -29,71 +40,201 @@ CCollision::Init(void)
 }
 
 void
+CCollision::Shutdown(void)
+{
+	ms_colModelCache.Shutdown();
+}
+
+void
 CCollision::Update(void)
 {
-	CVector pos = FindPlayerCoors();
+	CVector playerCoors;
+	FindPlayerCoors(playerCoors);
 	eLevelName level = CTheZones::m_CurrLevel;
-	bool changeLevel = false;
+	bool forceLevelChange = false;
 
 	// hardcode a level if there are no zones
 	if(level == LEVEL_NONE){
 		if(CGame::currLevel == LEVEL_INDUSTRIAL &&
-		   pos.x < 400.0f){
+		   playerCoors.x < 400.0f){
 			level = LEVEL_COMMERCIAL;
-			changeLevel = true;
+			forceLevelChange = true;
 		}else if(CGame::currLevel == LEVEL_SUBURBAN &&
-		         pos.x > -450.0f && pos.y < -1400.0f){
+		         playerCoors.x > -450.0f && playerCoors.y < -1400.0f){
 			level = LEVEL_COMMERCIAL;
-			changeLevel = true;
+			forceLevelChange = true;
 		}else{
-			if(pos.x > 800.0f){
+			if(playerCoors.x > 800.0f){
 				level = LEVEL_INDUSTRIAL;
-				changeLevel = true;
-			}else if(pos.x < -800.0f){
+				forceLevelChange = true;
+			}else if(playerCoors.x < -800.0f){
 				level = LEVEL_SUBURBAN;
-				changeLevel = true;
+				forceLevelChange = true;
 			}
 		}
 	}
-	if(level != LEVEL_NONE && level != CGame::currLevel){
-		debug("changing level %d -> %d\n", CGame::currLevel, level);
+	if(level != LEVEL_NONE && level != CGame::currLevel)
 		CGame::currLevel = level;
-	}
 	if(ms_collisionInMemory != CGame::currLevel)
-		LoadCollisionWhenINeedIt(changeLevel);
+		LoadCollisionWhenINeedIt(forceLevelChange);
 	CStreaming::HaveAllBigBuildingsLoaded(CGame::currLevel);
 }
 
+eLevelName
+GetCollisionInSectorList(CPtrList &list)
+{
+	CPtrNode *node;
+	CEntity *e;
+	int level;
+
+	for(node = list.first; node; node = node->next){
+		e = (CEntity*)node->item;
+		level = CModelInfo::GetModelInfo(e->GetModelIndex())->GetColModel()->level;
+		if(level != LEVEL_NONE)
+			return (eLevelName)level;
+	}
+	return LEVEL_NONE;
+}
+
+// Get a level this sector is in based on collision models
+eLevelName
+GetCollisionInSector(CSector &sect)
+{
+	int level;
+
+	level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_BUILDINGS]);
+	if(level == LEVEL_NONE)
+		level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_BUILDINGS_OVERLAP]);
+	if(level == LEVEL_NONE)
+		level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_OBJECTS]);
+	if(level == LEVEL_NONE)
+		level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_OBJECTS_OVERLAP]);
+	if(level == LEVEL_NONE)
+		level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_DUMMIES]);
+	if(level == LEVEL_NONE)
+		level = GetCollisionInSectorList(sect.m_lists[ENTITYLIST_DUMMIES_OVERLAP]);
+	return (eLevelName)level;
+}
+
 void
-CCollision::LoadCollisionWhenINeedIt(bool changeLevel)
+CCollision::LoadCollisionWhenINeedIt(bool forceChange)
 {
-	eLevelName level;
+	eLevelName level, l;
+	bool multipleLevels;
+	CVector playerCoors;
+	CVehicle *veh;
+	CEntryInfoNode *ei;
+	int sx, sy;
+	int xmin, xmax, ymin, ymax;
+	int x, y;
+
 	level = LEVEL_NONE;
-	if(!changeLevel){
-		//assert(0 && "unimplemented");
+
+	FindPlayerCoors(playerCoors);
+	sx = CWorld::GetSectorIndexX(playerCoors.x);
+	sy = CWorld::GetSectorIndexX(playerCoors.y);
+	multipleLevels = false;
+
+	veh = FindPlayerVehicle();
+	if(veh && veh->IsTrain()){
+		if(((CTrain*)veh)->m_doorState != TRAIN_DOOR_STATE2)
+			return ;
+	}else if(playerCoors.z < 4.0f && !CCullZones::DoINeedToLoadCollision())
+		return;
+
+	// Figure out whose level's collisions we're most likely to be interested in
+	if(!forceChange){
+		if(veh && veh->IsBoat()){
+			// on water we expect to be between levels
+			multipleLevels = true;
+		}else{
+			xmin = max(sx - 1, 0);
+			xmax = min(sx + 1, NUMSECTORS_X-1);
+			ymin = max(sy - 1, 0);
+			ymax = min(sy + 1, NUMSECTORS_Y-1);
+
+			for(x = xmin; x <= xmax; x++)
+				for(y = ymin; y <= ymax; y++){
+					l = GetCollisionInSector(*CWorld::GetSector(x, y));
+					if(l != LEVEL_NONE){
+						if(level == LEVEL_NONE)
+							level = l;
+						if(level != l)
+							multipleLevels = true;
+					}
+				}
+		}
+
+		if(multipleLevels && veh && veh->IsBoat())
+			for(ei = veh->m_entryInfoList.first; ei; ei = ei->next){
+				level = GetCollisionInSector(*ei->sector);
+				if(level != LEVEL_NONE)
+					break;
+			}
 	}
 
-	if(level != CGame::currLevel || changeLevel){
+	if(level == CGame::currLevel || forceChange){
 		CTimer::Stop();
+		DMAudio.SetEffectsFadeVol(0);
+		CPad::StopPadsShaking();
+		LoadCollisionScreen(CGame::currLevel);
+		DMAudio.Service();
+		CPopulation::DealWithZoneChange(ms_collisionInMemory, CGame::currLevel, false);
 		CStreaming::RemoveIslandsNotUsed(LEVEL_INDUSTRIAL);
 		CStreaming::RemoveIslandsNotUsed(LEVEL_COMMERCIAL);
 		CStreaming::RemoveIslandsNotUsed(LEVEL_SUBURBAN);
 		CStreaming::RemoveBigBuildings(LEVEL_INDUSTRIAL);
 		CStreaming::RemoveBigBuildings(LEVEL_COMMERCIAL);
 		CStreaming::RemoveBigBuildings(LEVEL_SUBURBAN);
+		CModelInfo::RemoveColModelsFromOtherLevels(CGame::currLevel);
+		CStreaming::RemoveUnusedModelsInLoadedList();
+		CGame::TidyUpMemory(true, true);
+		CFileLoader::LoadCollisionFromDatFile(CGame::currLevel);
 		ms_collisionInMemory = CGame::currLevel;
+		CReplay::EmptyReplayBuffer();
+		if(CGame::currLevel != LEVEL_NONE)
+			LoadSplash(GetLevelSplashScreen(CGame::currLevel));
 		CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
 		CStreaming::RemoveUnusedBuildings(CGame::currLevel);
 		CStreaming::RequestBigBuildings(CGame::currLevel);
-		CStreaming::LoadAllRequestedModels();
+		CStreaming::LoadAllRequestedModels(true);
 		CStreaming::HaveAllBigBuildingsLoaded(CGame::currLevel);
+		CGame::TidyUpMemory(true, true);
 		CTimer::Update();
+		DMAudio.SetEffectsFadeVol(127);
 	}
 }
 
-#endif
+void
+CCollision::SortOutCollisionAfterLoad(void)
+{
+	if(ms_collisionInMemory == CGame::currLevel)
+		return;
 
-WRAPPER void CCollision::SortOutCollisionAfterLoad(void) { EAXJMP(0x40B900); }
+	CModelInfo::RemoveColModelsFromOtherLevels(CGame::currLevel);
+	if(CGame::currLevel != LEVEL_NONE){
+		CFileLoader::LoadCollisionFromDatFile(CGame::currLevel);
+		if(!CGame::playingIntro)
+			LoadSplash(GetLevelSplashScreen(CGame::currLevel));
+	}
+	ms_collisionInMemory = CGame::currLevel;
+	CGame::TidyUpMemory(true, false);
+}
+
+void
+CCollision::LoadCollisionScreen(eLevelName level)
+{
+	static char *levelNames[4] = {
+		"",
+		"IND_ZON",
+		"COM_ZON",
+		"SUB_ZON"
+	};
+
+	// Why twice?
+	LoadingIslandScreen(levelNames[level]);
+	LoadingIslandScreen(levelNames[level]);
+}
 
 //
 // Test
@@ -1585,11 +1726,119 @@ CColModel::GetTrianglePoint(CVector &v, int i) const
 	v = vertices[i];
 }
 
-WRAPPER CColModel& CColModel::operator=(const CColModel& other) { EAXJMP(0x411710); }
+CColModel&
+CColModel::operator=(const CColModel &other)
+{
+	int i;
+	int numVerts;
+
+	assert(0);
+
+	boundingSphere = other.boundingSphere;
+	boundingBox = other.boundingBox;
+
+	// copy spheres
+	if(other.numSpheres){
+		if(numSpheres != other.numSpheres){
+			numSpheres = other.numSpheres;
+			if(spheres)
+				RwFree(spheres);
+			spheres = (CColSphere*)RwMalloc(numSpheres*sizeof(CColSphere));
+		}
+		for(i = 0; i < numSpheres; i++)
+			spheres[i] = other.spheres[i];
+	}else{
+		numSpheres = 0;
+		if(spheres)
+			RwFree(spheres);
+		spheres = nil;
+	}
+
+	// copy lines
+	if(other.numLines){
+		if(numLines != other.numLines){
+			numLines = other.numLines;
+			if(lines)
+				RwFree(lines);
+			lines = (CColLine*)RwMalloc(numLines*sizeof(CColLine));
+		}
+		for(i = 0; i < numLines; i++)
+			lines[i] = other.lines[i];
+	}else{
+		numLines = 0;
+		if(lines)
+			RwFree(lines);
+		lines = nil;
+	}
+
+	// copy boxes
+	if(other.numBoxes){
+		if(numBoxes != other.numBoxes){
+			numBoxes = other.numBoxes;
+			if(boxes)
+				RwFree(boxes);
+			boxes = (CColBox*)RwMalloc(numBoxes*sizeof(CColBox));
+		}
+		for(i = 0; i < numBoxes; i++)
+			boxes[i] = other.boxes[i];
+	}else{
+		numBoxes = 0;
+		if(boxes)
+			RwFree(boxes);
+		boxes = nil;
+	}
+
+	// copy mesh
+	if(other.numTriangles){
+		// copy vertices
+		numVerts = 0;
+		for(i = 0; i < other.numTriangles; i++){
+			if(other.triangles[i].a > numVerts)
+				other.triangles[i].a = numVerts;
+			if(other.triangles[i].b > numVerts)
+				other.triangles[i].b = numVerts;
+			if(other.triangles[i].c > numVerts)
+				other.triangles[i].c = numVerts;
+		}
+		numVerts++;
+		if(vertices)
+			RwFree(vertices);
+		if(numVerts){
+			vertices = (CVector*)RwMalloc(numVerts*sizeof(CVector));
+			for(i = 0; i < numVerts; i++)
+				vertices[i] = other.vertices[i];
+		}
+
+		// copy triangles
+		if(numTriangles != other.numTriangles){
+			numTriangles = other.numTriangles;
+			if(triangles)
+				RwFree(triangles);
+			triangles = (CColTriangle*)RwMalloc(numTriangles*sizeof(CColTriangle));
+		}
+		for(i = 0; i < numTriangles; i++)
+			triangles[i] = other.triangles[i];
+	}else{
+		numTriangles = 0;
+		if(triangles)
+			RwFree(triangles);
+		triangles = nil;
+		if(vertices)
+			RwFree(vertices);
+		vertices = nil;
+	}
+	return *this;
+}
 
 STARTPATCHES
 	InjectHook(0x4B9C30, (CMatrix& (*)(const CMatrix &src, CMatrix &dst))Invert, PATCH_JUMP);
 
+	InjectHook(0x40B380, CCollision::Init, PATCH_JUMP);
+	InjectHook(0x40B3A0, CCollision::Shutdown, PATCH_JUMP);
+	InjectHook(0x40B3B0, CCollision::Update, PATCH_JUMP);
+	InjectHook(0x40B5B0, CCollision::LoadCollisionWhenINeedIt, PATCH_JUMP);
+	InjectHook(0x40B900, CCollision::SortOutCollisionAfterLoad, PATCH_JUMP);
+
 	InjectHook(0x40BB70, CCollision::TestSphereBox, PATCH_JUMP);
 	InjectHook(0x40E130, CCollision::TestLineBox, PATCH_JUMP);
 	InjectHook(0x40E5C0, CCollision::TestVerticalLineBox, PATCH_JUMP);
diff --git a/src/Collision.h b/src/Collision.h
index aa125334..5a9058d3 100644
--- a/src/Collision.h
+++ b/src/Collision.h
@@ -118,9 +118,11 @@ public:
 	static CLinkList<CColModel*> &ms_colModelCache;
 
 	static void Init(void);
+	static void Shutdown(void);
 	static void Update(void);
 	static void LoadCollisionWhenINeedIt(bool changeLevel);
 	static void SortOutCollisionAfterLoad(void);
+	static void LoadCollisionScreen(eLevelName level);
 	static void DrawColModel(const CMatrix &mat, const CColModel &colModel);
 	static void DrawColModel_Coloured(const CMatrix &mat, const CColModel &colModel, int32 id);
 
diff --git a/src/CullZones.cpp b/src/CullZones.cpp
index f89d8256..9e020f73 100644
--- a/src/CullZones.cpp
+++ b/src/CullZones.cpp
@@ -2,6 +2,7 @@
 #include "patcher.h"
 #include "Building.h"
 #include "Treadable.h"
+#include "Train.h"
 #include "Pools.h"
 #include "Timer.h"
 #include "Camera.h"
@@ -162,9 +163,33 @@ CCullZones::FindZoneWithStairsAttributeForPlayer(void)
 	return nil;
 }
 
-WRAPPER void
+void
 CCullZones::MarkSubwayAsInvisible(bool visible)
-{ EAXJMP(0x525AF0);
+{
+	int i, n;
+	CEntity *e;
+	CVehicle *v;
+
+	n = CPools::GetBuildingPool()->GetSize();
+	for(i = 0; i < n; i++){
+		e = CPools::GetBuildingPool()->GetSlot(i);
+		if(e && e->bIsSubway)
+			e->bIsVisible = visible;
+	}
+
+	n = CPools::GetTreadablePool()->GetSize();
+	for(i = 0; i < n; i++){
+		e = CPools::GetTreadablePool()->GetSlot(i);
+		if(e && e->bIsSubway)
+			e->bIsVisible = visible;
+	}
+
+	n = CPools::GetVehiclePool()->GetSize();
+	for(i = 0; i < n; i++){
+		v = CPools::GetVehiclePool()->GetSlot(i);
+		if(v && v->IsTrain() && ((CTrain*)v)->m_trackId != 0)
+			v->bIsVisible = visible;
+	}
 }
 
 void
diff --git a/src/FileLoader.cpp b/src/FileLoader.cpp
index dd58614d..8213a5c7 100644
--- a/src/FileLoader.cpp
+++ b/src/FileLoader.cpp
@@ -46,7 +46,7 @@ CFileLoader::LoadLevel(const char *filename)
 {
 	int fd;
 	RwTexDictionary *savedTxd;
-	int savedLevel;
+	eLevelName savedLevel;
 	bool objectsLoaded;
 	char *line;
 	char txdname[64];
@@ -79,7 +79,7 @@ CFileLoader::LoadLevel(const char *filename)
 		}else if(strncmp(line, "COLFILE", 7) == 0){
 			int level;
 			sscanf(line+8, "%d", &level);
-			CGame::currLevel = level;
+			CGame::currLevel = (eLevelName)level;
 			LoadingScreenLoadingFile(line+10);
 			LoadCollisionFile(line+10);
 			CGame::currLevel = savedLevel;
diff --git a/src/Game.cpp b/src/Game.cpp
index f158e9db..cbd55c48 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -2,7 +2,7 @@
 #include "patcher.h"
 #include "Game.h"
 
-int &CGame::currLevel = *(int*)0x941514;
+eLevelName &CGame::currLevel = *(eLevelName*)0x941514;
 bool &CGame::bDemoMode = *(bool*)0x5F4DD0;
 bool &CGame::nastyGame = *(bool*)0x5F4DD4;
 bool &CGame::frenchGame = *(bool*)0x95CDCB;
@@ -11,6 +11,7 @@ bool &CGame::noProstitutes = *(bool*)0x95CDCF;
 bool &CGame::playingIntro = *(bool*)0x95CDC2;
 char *CGame::aDatFile = (char*)0x773A48;
 
+WRAPPER void CGame::Initialise(const char *datFile) { EAXJMP(0x48BED0); }
 WRAPPER void CGame::Process(void) { EAXJMP(0x48C850); }
 WRAPPER bool CGame::InitialiseOnceBeforeRW(void) { EAXJMP(0x48BB80); }
 WRAPPER bool CGame::InitialiseRenderWare(void) { EAXJMP(0x48BBA0); }
diff --git a/src/Game.h b/src/Game.h
index 6b071125..3bc3e633 100644
--- a/src/Game.h
+++ b/src/Game.h
@@ -11,7 +11,7 @@ enum eLevelName
 class CGame
 {
 public:
-	static int &currLevel;
+	static eLevelName &currLevel;
 	static bool &bDemoMode;
 	static bool &nastyGame;
 	static bool &frenchGame;
@@ -20,13 +20,18 @@ public:
 	static bool &playingIntro;
 	static char *aDatFile;	//[32];
 
-	static void Process(void);
+	static void Initialise(const char *datFile);
 	static bool InitialiseOnceBeforeRW(void);
 	static bool InitialiseRenderWare(void);
+	static bool InitialiseOnceAfterRW(void);
+	static void InitialiseWhenRestarting(void);
+	static void ShutDown(void);
 	static void ShutdownRenderWare(void);
 	static void FinalShutdown(void);
-	static void ShutDown(void);
 	static void ShutDownForRestart(void);
-	static void InitialiseWhenRestarting(void);
-	static bool InitialiseOnceAfterRW(void);
+	static void Process(void);
+
+	// NB: these do something on PS2
+	static void TidyUpMemory(bool, bool) {}
+	static void DrasticTidyUpMemory(void) {}
 };
diff --git a/src/control/Population.cpp b/src/control/Population.cpp
index fd1a89f5..7b1acaaf 100644
--- a/src/control/Population.cpp
+++ b/src/control/Population.cpp
@@ -1,8 +1,10 @@
 #include "common.h"
 #include "patcher.h"
+#include "Game.h"
 #include "Population.h"
 
 PedGroup *CPopulation::ms_pPedGroups = (PedGroup*)0x6E9248;
 bool &CPopulation::ms_bGivePedsWeapons = *(bool*)0x95CCF6;
 
 WRAPPER void CPopulation::UpdatePedCount(uint32, bool) { EAXJMP(0x4F5A60); }
+WRAPPER void CPopulation::DealWithZoneChange(eLevelName oldLevel, eLevelName newLevel, bool) { EAXJMP(0x4F6200); }
diff --git a/src/control/Population.h b/src/control/Population.h
index 76442442..e93e14fc 100644
--- a/src/control/Population.h
+++ b/src/control/Population.h
@@ -14,4 +14,5 @@ public:
 	static bool &ms_bGivePedsWeapons;
 
 	static void UpdatePedCount(uint32, bool);
+	static void DealWithZoneChange(eLevelName oldLevel, eLevelName newLevel, bool);
 };
diff --git a/src/control/Replay.cpp b/src/control/Replay.cpp
index 8003b407..2e0f07ee 100644
--- a/src/control/Replay.cpp
+++ b/src/control/Replay.cpp
@@ -165,6 +165,8 @@ void CReplay::Init(void)
 	bDoLoadSceneWhenDone = false;
 }
 
+WRAPPER void CReplay::EmptyReplayBuffer(void) { EAXJMP(0x595BD0); }
+
 void CReplay::DisableReplays(void)
 {
 	bReplayEnabled = false;
diff --git a/src/control/Replay.h b/src/control/Replay.h
index b622788f..c4f3b1a2 100644
--- a/src/control/Replay.h
+++ b/src/control/Replay.h
@@ -244,6 +244,7 @@ private:
 
 public:
 	static void Init(void);
+	static void EmptyReplayBuffer(void);
 	static void DisableReplays(void);
 	static void EnableReplays(void);
 	static void Update(void);
diff --git a/src/entities/Train.h b/src/entities/Train.h
index e591239b..f3fb9a40 100644
--- a/src/entities/Train.h
+++ b/src/entities/Train.h
@@ -2,10 +2,19 @@
 
 #include "Vehicle.h"
 
+enum
+{
+	TRAIN_DOOR_STATE2 = 2
+};
+
 class CTrain : public CVehicle
 {
 public:
 	// 0x288
-	uint8 stuff[92];
+	uint8 stuff1[20];
+	uint8 m_trackId;
+	uint8 stuff2[7];
+	int16 m_doorState;
+	uint8 stuff3[62];
 };
 static_assert(sizeof(CTrain) == 0x2E4, "CTrain: error");
diff --git a/src/main.cpp b/src/main.cpp
index d1ffbe6b..7b7c28e4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -90,6 +90,18 @@ void PrintGameVersion();
 
 RwRGBA gColourTop;
 
+#ifndef DEBUG
+// This is the weirdest shit. In Debug this causes my game to crash in CPed::IsPedInControl shortly after level change
+void
+InitialiseGame(void)
+{
+	LoadingScreen(nil, nil, "loadsc0");
+	CGame::Initialise("DATA\\GTA3.DAT");
+}
+#else
+WRAPPER void InitialiseGame(void) { EAXJMP(0x48E7E0); }
+#endif
+
 void
 Idle(void *arg)
 {
@@ -591,6 +603,25 @@ ResetLoadingScreenBar(void)
 	NumberOfChunksLoaded = 0.0f;
 }
 
+WRAPPER void
+LoadingIslandScreen(const char *levelName)
+{
+	EAXJMP(0x48DA50);
+}
+
+char*
+GetLevelSplashScreen(int level)
+{
+	static char *splashScreens[4] = {
+		nil,
+		"splash1",
+		"splash2",
+		"splash3",
+	};
+
+	return splashScreens[level];
+}
+
 char*
 GetRandomSplashScreen(void)
 {
diff --git a/src/main.h b/src/main.h
index 45948b34..c7914549 100644
--- a/src/main.h
+++ b/src/main.h
@@ -13,6 +13,9 @@ extern wchar *gUString;
 
 class CSprite2d;
 
+void InitialiseGame(void);
 void LoadingScreen(const char *str1, const char *str2, const char *splashscreen);
+void LoadingIslandScreen(const char *levelName);
 CSprite2d *LoadSplash(const char *name);
+char *GetLevelSplashScreen(int level);
 char *GetRandomSplashScreen(void);
diff --git a/src/modelinfo/ModelInfo.cpp b/src/modelinfo/ModelInfo.cpp
index acc40824..454a73f1 100644
--- a/src/modelinfo/ModelInfo.cpp
+++ b/src/modelinfo/ModelInfo.cpp
@@ -175,6 +175,23 @@ CModelInfo::IsBoatModel(int32 id)
 		((CVehicleModelInfo*)GetModelInfo(id))->m_vehicleType == VEHICLE_TYPE_BOAT;
 }
 
+void
+CModelInfo::RemoveColModelsFromOtherLevels(eLevelName level)
+{
+	int i;
+	CBaseModelInfo *mi;
+	CColModel *colmodel;
+
+	for(i = 0; i < MODELINFOSIZE; i++){
+		mi = GetModelInfo(i);
+		if(mi){
+			colmodel = mi->GetColModel();
+			if(colmodel && colmodel->level != LEVEL_NONE && colmodel->level != level)
+				colmodel->RemoveCollisionVolumes();
+		}
+	}
+}
+
 STARTPATCHES
 	InjectHook(0x50B310, CModelInfo::Initialise, PATCH_JUMP);
 	InjectHook(0x50B5B0, CModelInfo::ShutDown, PATCH_JUMP);
@@ -184,4 +201,5 @@ STARTPATCHES
 	InjectHook(0x50BAD0, CModelInfo::AddPedModel, PATCH_JUMP);
 	InjectHook(0x50BA60, CModelInfo::AddVehicleModel, PATCH_JUMP);
 	InjectHook(0x50B860, (CBaseModelInfo *(*)(const char*, int*))CModelInfo::GetModelInfo, PATCH_JUMP);
+	InjectHook(0x50BBC0, CModelInfo::RemoveColModelsFromOtherLevels, PATCH_JUMP);
 ENDPATCHES
diff --git a/src/modelinfo/ModelInfo.h b/src/modelinfo/ModelInfo.h
index 30be96ca..d20367d1 100644
--- a/src/modelinfo/ModelInfo.h
+++ b/src/modelinfo/ModelInfo.h
@@ -36,4 +36,5 @@ public:
 	}
 
 	static bool IsBoatModel(int32 id);
+	static void RemoveColModelsFromOtherLevels(eLevelName level);
 };
diff --git a/src/skel/win/win.cpp b/src/skel/win/win.cpp
index 814cac84..2943475b 100644
--- a/src/skel/win/win.cpp
+++ b/src/skel/win/win.cpp
@@ -114,18 +114,11 @@ DWORD _dwMemAvailVideo;
 DWORD &_dwOperatingSystemVersion = *(DWORD*)0x70F290;
 
 RwUInt32 &gGameState = *(RwUInt32*)0x8F5838;
-WRAPPER bool InitialiseGame(void) { EAXJMP(0x48E7E0); }
-
-WRAPPER const char *GetLevelSplashScreen(int32 number) { EAXJMP(0x48D750); }
-//
-
-void LoadingScreen(char const *msg1, char const *msg2, char const *screen);
-CSprite2d *LoadSplash(const char *name);
 
 enum eJoypadState
 {
-  JOYPAD_UNUSED,
-  JOYPAD_ATTACHED,
+	JOYPAD_UNUSED,
+	JOYPAD_ATTACHED,
 };
 
 struct tJoy