8 files changed, 825 insertions, 370 deletions

diff --git a/src/entities/Building.cpp b/src/entities/Building.cpp
index 3c096636..3217e684 100644
--- a/src/entities/Building.cpp
+++ b/src/entities/Building.cpp
@@ -20,3 +20,25 @@ CBuilding::ReplaceWithNewModel(int32 id)
 		if(m_level == LEVEL_NONE || m_level == CGame::currLevel)
 			CStreaming::RequestModel(id, STREAMFLAGS_DONT_REMOVE);
 }
+
+bool
+IsBuildingPointerValid(CBuilding* pBuilding)
+{
+	if (!pBuilding)
+		return false;
+	if (pBuilding->GetIsATreadable()) {
+		int index = CPools::GetTreadablePool()->GetJustIndex((CTreadable*)pBuilding);
+#ifdef FIX_BUGS
+		return index >= 0 && index < CPools::GetTreadablePool()->GetSize();
+#else
+		return index >= 0 && index <= CPools::GetTreadablePool()->GetSize();
+#endif
+	} else {
+		int index = CPools::GetBuildingPool()->GetJustIndex(pBuilding);
+#ifdef FIX_BUGS
+		return index >= 0 && index < CPools::GetBuildingPool()->GetSize();
+#else
+		return index >= 0 && index <= CPools::GetBuildingPool()->GetSize();
+#endif
+	}
+}
diff --git a/src/entities/Building.h b/src/entities/Building.h
index 29608c10..2c2dfb1f 100644
--- a/src/entities/Building.h
+++ b/src/entities/Building.h
@@ -16,3 +16,5 @@ public:
 
 	virtual bool GetIsATreadable(void) { return false; }
 };
+
+bool IsBuildingPointerValid(CBuilding*);
diff --git a/src/entities/Dummy.cpp b/src/entities/Dummy.cpp
index 8a4bfd5f..92b69761 100644
--- a/src/entities/Dummy.cpp
+++ b/src/entities/Dummy.cpp
@@ -50,3 +50,18 @@ CDummy::Remove(void)
 		m_entryInfoList.DeleteNode(node);
 	}
 }
+
+bool
+IsDummyPointerValid(CDummy* pDummy)
+{
+	if (!pDummy)
+		return false;
+	int index = CPools::GetDummyPool()->GetJustIndex(pDummy);
+#ifdef FIX_BUGS
+	if (index < 0 || index >= CPools::GetDummyPool()->GetSize())
+#else
+	if (index < 0 || index > CPools::GetDummyPool()->GetSize())
+#endif
+		return false;
+	return pDummy->m_entryInfoList.first;
+}
diff --git a/src/entities/Dummy.h b/src/entities/Dummy.h
index 7998a748..84b1ce1a 100644
--- a/src/entities/Dummy.h
+++ b/src/entities/Dummy.h
@@ -15,3 +15,5 @@ public:
 	static void *operator new(size_t);
 	static void operator delete(void*, size_t);
 };
+
+bool IsDummyPointerValid(CDummy* pDummy);
diff --git a/src/entities/Entity.cpp b/src/entities/Entity.cpp
index 6f8ebcb4..68486a3c 100644
--- a/src/entities/Entity.cpp
+++ b/src/entities/Entity.cpp
@@ -28,6 +28,11 @@
 #include "Bones.h"
 #include "Debug.h"
 #include "Renderer.h"
+#include "Ped.h"
+#include "Dummy.h"
+#include "WindModifiers.h"
+
+//--MIAMI: file almost done (see TODO)
 
 int gBuildings;
 
@@ -78,7 +83,7 @@ CEntity::CEntity(void)
 	bIsStaticWaitingForCollision = false;
 	m_flagE10 = false;
 	bUnderwater = false;
-	m_flagE40 = false;
+	bHasPreRenderEffects = false;
 
 	m_scanCode = 0;
 	m_modelIndex = -1;
@@ -275,6 +280,21 @@ CEntity::Remove(void)
 }
 
 void
+CEntity::SetModelIndex(uint32 id)
+{
+	m_modelIndex = id;
+	bHasPreRenderEffects = HasPreRenderEffects();
+	CreateRwObject();
+}
+
+void
+CEntity::SetModelIndexNoCreate(uint32 id)
+{
+	m_modelIndex = id;
+	bHasPreRenderEffects = HasPreRenderEffects();
+}
+
+void
 CEntity::CreateRwObject(void)
 {
 	CBaseModelInfo *mi;
@@ -304,10 +324,8 @@ CEntity::DeleteRwObject(void)
 			RpAtomicDestroy((RpAtomic*)m_rwObject);
 			RwFrameDestroy(f);
 		}else if(RwObjectGetType(m_rwObject) == rpCLUMP){
-#ifdef PED_SKIN
 			if(IsClumpSkinned((RpClump*)m_rwObject))
 				RpClumpForAllAtomics((RpClump*)m_rwObject, AtomicRemoveAnimFromSkinCB, nil);
-#endif
 			RpClumpDestroy((RpClump*)m_rwObject);
 		}
 		m_rwObject = nil;
@@ -328,7 +346,6 @@ CEntity::UpdateRwFrame(void)
 	}
 }
 
-//--MIAMI: done
 void
 CEntity::SetupBigBuilding(void)
 {
@@ -368,19 +385,39 @@ CEntity::GetBoundRect(void)
 	return rect;
 }
 
+bool
+CEntity::HasPreRenderEffects(void)
+{
+	return IsTreeModel(GetModelIndex()) ||
+	   GetModelIndex() == MI_COLLECTABLE1 ||
+	   GetModelIndex() == MI_MONEY ||
+	   GetModelIndex() == MI_CARMINE ||
+	   GetModelIndex() == MI_NAUTICALMINE ||
+	   GetModelIndex() == MI_BRIEFCASE ||
+	   GetModelIndex() == MI_GRENADE ||
+	   GetModelIndex() == MI_MOLOTOV ||
+	   GetModelIndex() == MI_MISSILE ||
+	   GetModelIndex() == MI_BEACHBALL ||
+	   IsGlass(GetModelIndex()) ||
+	   IsObject() && ((CObject*)this)->bIsPickup ||
+	   IsLightWithPreRenderEffects(GetModelIndex());
+}
+
 void
 CEntity::PreRender(void)
 {
+	if (CModelInfo::GetModelInfo(GetModelIndex())->GetNum2dEffects() != 0)
+		ProcessLightsForEntity();
+
+	if(!bHasPreRenderEffects)
+		return;
+
 	switch(m_type){
 	case ENTITY_TYPE_BUILDING:
-		if(GetModelIndex() == MI_RAILTRACKS){
-			CShadows::StoreShadowForPole(this, 0.0f, -10.949f, 5.0f, 8.0f, 1.0f, 0);
-			CShadows::StoreShadowForPole(this, 0.0f, 10.949f, 5.0f, 8.0f, 1.0f, 1);
-		}else if(IsTreeModel(GetModelIndex())){
-			CShadows::StoreShadowForTree(this);
+		if(IsTreeModel(GetModelIndex())){
+			float dist = (TheCamera.GetPosition() - GetPosition()).Magnitude2D();
+			CObject::fDistToNearestTree = Min(CObject::fDistToNearestTree, dist);
 			ModifyMatrixForTreeInWind();
-		}else if(IsBannerModel(GetModelIndex())){
-			ModifyMatrixForBannerInWind();
 		}
 		break;
 	case ENTITY_TYPE_OBJECT:
@@ -400,22 +437,6 @@ CEntity::PreRender(void)
 				GetMatrix().UpdateRW();
 				UpdateRwFrame();
 			}
-		}else if(IsPickupModel(GetModelIndex())){
-			if(((CObject*)this)->bIsPickup){
-				CPickups::DoPickUpEffects(this);
-				GetMatrix().UpdateRW();
-				UpdateRwFrame();
-			}else if(GetModelIndex() == MI_GRENADE){
-				CMotionBlurStreaks::RegisterStreak((uintptr)this,
-					100, 100, 100,
-					GetPosition() - 0.07f*TheCamera.GetRight(),
-					GetPosition() + 0.07f*TheCamera.GetRight());
-			}else if(GetModelIndex() == MI_MOLOTOV){
-				CMotionBlurStreaks::RegisterStreak((uintptr)this,
-					0, 100, 0,
-					GetPosition() - 0.07f*TheCamera.GetRight(),
-					GetPosition() + 0.07f*TheCamera.GetRight());
-			}
 		}else if(GetModelIndex() == MI_MISSILE){
 			CVector pos = GetPosition();
 			float flicker = (CGeneral::GetRandomNumber() & 0xF)/(float)0x10;
@@ -438,12 +459,44 @@ CEntity::PreRender(void)
 				CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
 		}else if(IsGlass(GetModelIndex())){
 			PreRenderForGlassWindow();
+		}else if (((CObject*)this)->bIsPickup) {
+			CPickups::DoPickUpEffects(this);
+			GetMatrix().UpdateRW();
+			UpdateRwFrame();
+		} else if (GetModelIndex() == MI_GRENADE) {
+			CMotionBlurStreaks::RegisterStreak((uintptr)this,
+				100, 100, 100,
+				GetPosition() - 0.07f * TheCamera.GetRight(),
+				GetPosition() + 0.07f * TheCamera.GetRight());
+		} else if (GetModelIndex() == MI_MOLOTOV) {
+			CMotionBlurStreaks::RegisterStreak((uintptr)this,
+				0, 100, 0,
+				GetPosition() - 0.07f * TheCamera.GetRight(),
+				GetPosition() + 0.07f * TheCamera.GetRight());
+		}else if(GetModelIndex() == MI_BEACHBALL){
+			CVector pos = GetPosition();
+			CShadows::StoreShadowToBeRendered(SHADOWTYPE_DARK,
+				gpShadowPedTex, &pos,
+				0.4f, 0.0f, 0.0f, -0.4f,
+				CTimeCycle::GetShadowStrength(),
+				CTimeCycle::GetShadowStrength(),
+				CTimeCycle::GetShadowStrength(),
+				CTimeCycle::GetShadowStrength(),
+				20.0f, false, 1.0f);
 		}
 		// fall through
 	case ENTITY_TYPE_DUMMY:
 		if(GetModelIndex() == MI_TRAFFICLIGHTS){
 			CTrafficLights::DisplayActualLight(this);
 			CShadows::StoreShadowForPole(this, 2.957f, 0.147f, 0.0f, 16.0f, 0.4f, 0);
+		}else if(GetModelIndex() == MI_TRAFFICLIGHTS_VERTICAL){
+			CTrafficLights::DisplayActualLight(this);
+		}else if(GetModelIndex() == MI_TRAFFICLIGHTS_MIAMI){
+			CTrafficLights::DisplayActualLight(this);
+			CShadows::StoreShadowForPole(this, 4.819f, 1.315f, 0.0f, 16.0f, 0.4f, 0);
+		}else if(GetModelIndex() == MI_TRAFFICLIGHTS_TWOVERTICAL){
+			CTrafficLights::DisplayActualLight(this);
+			CShadows::StoreShadowForPole(this, 7.503f, 0.0f, 0.0f, 16.0f, 0.4f, 0);
 		}else if(GetModelIndex() == MI_SINGLESTREETLIGHTS1)
 			CShadows::StoreShadowForPole(this, 0.744f, 0.0f, 0.0f, 16.0f, 0.4f, 0);
 		else if(GetModelIndex() == MI_SINGLESTREETLIGHTS2)
@@ -452,19 +505,15 @@ CEntity::PreRender(void)
 			CShadows::StoreShadowForPole(this, 1.143f, 0.145f, 0.0f, 16.0f, 0.4f, 0);
 		else if(GetModelIndex() == MI_DOUBLESTREETLIGHTS)
 			CShadows::StoreShadowForPole(this, 0.0f, -0.048f, 0.0f, 16.0f, 0.4f, 0);
-		else if(GetModelIndex() == MI_STREETLAMP1 ||
-		        GetModelIndex() == MI_STREETLAMP2)
-			CShadows::StoreShadowForPole(this, 0.0f, 0.0f, 0.0f, 16.0f, 0.4f, 0);
 		break;
 	}
-
-	if (CModelInfo::GetModelInfo(GetModelIndex())->GetNum2dEffects() != 0)
-		ProcessLightsForEntity();
 }
 
 void
 CEntity::PreRenderForGlassWindow(void)
 {
+	if(((CSimpleModelInfo*)CModelInfo::GetModelInfo(m_modelIndex))->m_isArtistGlass)
+		return;
 	CGlass::AskForObjectToBeRenderedInGlass(this);
 	bIsVisible = false;
 }
@@ -485,8 +534,6 @@ CEntity::Render(void)
 bool
 CEntity::SetupLighting(void)
 {
-	DeActivateDirectional();
-	SetAmbientColours();
 	return false;
 }
 
@@ -572,13 +619,12 @@ CEntity::PruneReferences(void)
 	}
 }
 
-#ifdef PED_SKIN
 void
 CEntity::UpdateRpHAnim(void)
 {
-	RpHAnimHierarchy *hier = GetAnimHierarchyFromSkinClump(GetClump());
-	RpHAnimHierarchyUpdateMatrices(hier);
-
+	if(IsClumpSkinned(GetClump())){
+		RpHAnimHierarchy *hier = GetAnimHierarchyFromSkinClump(GetClump());
+		RpHAnimHierarchyUpdateMatrices(hier);
 #if 0
 	int i;
 	char buf[256];
@@ -607,8 +653,8 @@ CEntity::UpdateRpHAnim(void)
 	void RenderSkeleton(RpHAnimHierarchy *hier);
 	RenderSkeleton(hier);
 #endif
+	}
 }
-#endif
 
 void
 CEntity::AddSteamsFromGround(CVector *unused)
@@ -640,6 +686,15 @@ CEntity::AddSteamsFromGround(CVector *unused)
 		case 4:
 			CParticleObject::AddObject(POBJECT_DARK_SMOKE, pos, effect->particle.dir, effect->particle.scale, false);
 			break;
+// TODO(MIAMI): enable this once we have the particle objects
+/*
+		case 5:
+			CParticleObject::AddObject(POBJECT_WATER_FOUNTAIN_VERT, pos, effect->particle.dir, effect->particle.scale, false);
+			break;
+		case 6:
+			CParticleObject::AddObject(POBJECT_WATER_FOUNTAIN_HORIZ, pos, effect->particle.dir, effect->particle.scale, false);
+			break;
+*/
 		}
 	}
 }
@@ -664,80 +719,66 @@ CEntity::ProcessLightsForEntity(void)
 	for(i = 0; i < n; i++, flashTimer1 += 0x80, flashTimer2 += 0x100, flashTimer3 += 0x200){
 		effect = CModelInfo::GetModelInfo(GetModelIndex())->Get2dEffect(i);
 
-		if(effect->type != EFFECT_LIGHT)
-			continue;
-
-		pos = GetMatrix() * effect->pos;
+		switch(effect->type){
+		case EFFECT_LIGHT:
+			pos = GetMatrix() * effect->pos;
 
-		lightOn = false;
-		lightFlickering = false;
-		switch(effect->light.lightType){
-		case LIGHT_ON:
-			lightOn = true;
-			break;
-		case LIGHT_ON_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
-				lightOn = true;
-			break;
-		case LIGHT_FLICKER:
-			if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed) & 0x60)
+			lightOn = false;
+			lightFlickering = false;
+			switch(effect->light.lightType){
+			case LIGHT_ON:
 				lightOn = true;
-			else
-				lightFlickering = true;
-			if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed) & 3)
-				lightOn = true;
-			break;
-		case LIGHT_FLICKER_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7){
+				break;
+			case LIGHT_ON_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+					lightOn = true;
+				break;
+			case LIGHT_FLICKER:
 				if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed) & 0x60)
 					lightOn = true;
 				else
 					lightFlickering = true;
 				if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed) & 3)
 					lightOn = true;
-			}
-			break;
-		case LIGHT_FLASH1:
-			if((CTimer::GetTimeInMilliseconds() + flashTimer1) & 0x200)
-				lightOn = true;
-			break;
-		case LIGHT_FLASH1_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				break;
+			case LIGHT_FLICKER_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7 || CWeather::WetRoads > 0.5f){
+					if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed) & 0x60)
+						lightOn = true;
+					else
+						lightFlickering = true;
+					if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed) & 3)
+						lightOn = true;
+				}
+				break;
+			case LIGHT_FLASH1:
 				if((CTimer::GetTimeInMilliseconds() + flashTimer1) & 0x200)
 					lightOn = true;
-			break;
-		case LIGHT_FLASH2:
-			if((CTimer::GetTimeInMilliseconds() + flashTimer2) & 0x400)
-				lightOn = true;
-			break;
-		case LIGHT_FLASH2_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				break;
+			case LIGHT_FLASH1_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+					if((CTimer::GetTimeInMilliseconds() + flashTimer1) & 0x200)
+						lightOn = true;
+				break;
+			case LIGHT_FLASH2:
 				if((CTimer::GetTimeInMilliseconds() + flashTimer2) & 0x400)
 					lightOn = true;
-			break;
-		case LIGHT_FLASH3:
-			if((CTimer::GetTimeInMilliseconds() + flashTimer3) & 0x800)
-				lightOn = true;
-			break;
-		case LIGHT_FLASH3_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				break;
+			case LIGHT_FLASH2_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+					if((CTimer::GetTimeInMilliseconds() + flashTimer2) & 0x400)
+						lightOn = true;
+				break;
+			case LIGHT_FLASH3:
 				if((CTimer::GetTimeInMilliseconds() + flashTimer3) & 0x800)
 					lightOn = true;
-			break;
-		case LIGHT_RANDOM_FLICKER:
-			if(m_randomSeed > 16)
-				lightOn = true;
-			else{
-				if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed*8) & 0x60)
-					lightOn = true;
-				else
-					lightFlickering = true;
-				if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed*8) & 3)
-					lightOn = true;
-			}
-			break;
-		case LIGHT_RANDOM_FLICKER_NIGHT:
-			if(CClock::GetHours() > 18 || CClock::GetHours() < 7){
+				break;
+			case LIGHT_FLASH3_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+					if((CTimer::GetTimeInMilliseconds() + flashTimer3) & 0x800)
+						lightOn = true;
+				break;
+			case LIGHT_RANDOM_FLICKER:
 				if(m_randomSeed > 16)
 					lightOn = true;
 				else{
@@ -748,85 +789,143 @@ CEntity::ProcessLightsForEntity(void)
 					if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed*8) & 3)
 						lightOn = true;
 				}
+				break;
+			case LIGHT_RANDOM_FLICKER_NIGHT:
+				if(CClock::GetHours() > 18 || CClock::GetHours() < 7){
+					if(m_randomSeed > 16)
+						lightOn = true;
+					else{
+						if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed*8) & 0x60)
+							lightOn = true;
+						else
+							lightFlickering = true;
+						if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed*8) & 3)
+							lightOn = true;
+					}
+				}
+				break;
+			case LIGHT_BRIDGE_FLASH1:
+				if(CBridge::ShouldLightsBeFlashing() && CTimer::GetTimeInMilliseconds() & 0x200)
+					lightOn = true;
+				break;
+			case LIGHT_BRIDGE_FLASH2:
+				if(CBridge::ShouldLightsBeFlashing() && (CTimer::GetTimeInMilliseconds() & 0x1FF) < 60)
+					lightOn = true;
+				break;
+			}
+
+			if(effect->light.flags & LIGHTFLAG_HIDE_OBJECT){
+				if(lightOn)
+					bDoNotRender = false;
+				else
+					bDoNotRender = true;
+				return;
+			}
+
+			// Corona
+			if(lightOn)
+				CCoronas::RegisterCorona((uintptr)this + i,
+					effect->col.r, effect->col.g, effect->col.b, 255,
+					pos, effect->light.size, effect->light.dist,
+					effect->light.corona, effect->light.flareType, effect->light.roadReflection,
+					effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f,
+					!!(effect->light.flags&LIGHTFLAG_LONG_DIST));
+			else if(lightFlickering)
+				CCoronas::RegisterCorona((uintptr)this + i,
+					0, 0, 0, 255,
+					pos, effect->light.size, effect->light.dist,
+					effect->light.corona, effect->light.flareType, effect->light.roadReflection,
+					effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f,
+					!!(effect->light.flags&LIGHTFLAG_LONG_DIST));
+
+			// Pointlight
+			bool alreadyProcessedFog;
+			alreadyProcessedFog = false;
+			if(effect->light.range != 0.0f && lightOn){
+				if(effect->col.r == 0 && effect->col.g == 0 && effect->col.b == 0){
+					CPointLights::AddLight(CPointLights::LIGHT_POINT,
+						pos, CVector(0.0f, 0.0f, 0.0f),
+						effect->light.range,
+						0.0f, 0.0f, 0.0f,
+						CPointLights::FOG_NONE, true);
+				}else{
+					CPointLights::AddLight(CPointLights::LIGHT_POINT,
+						pos, CVector(0.0f, 0.0f, 0.0f),
+						effect->light.range,
+						effect->col.r*CTimeCycle::GetSpriteBrightness()/255.0f,
+						effect->col.g*CTimeCycle::GetSpriteBrightness()/255.0f,
+						effect->col.b*CTimeCycle::GetSpriteBrightness()/255.0f,
+						(effect->light.flags & LIGHTFLAG_FOG) >> 1,
+						true);
+					alreadyProcessedFog = true; 
+				}
 			}
-			break;
-		case LIGHT_BRIDGE_FLASH1:
-			if(CBridge::ShouldLightsBeFlashing() && CTimer::GetTimeInMilliseconds() & 0x200)
-				lightOn = true;
-			break;
-		case LIGHT_BRIDGE_FLASH2:
-			if(CBridge::ShouldLightsBeFlashing() && (CTimer::GetTimeInMilliseconds() & 0x1FF) < 60)
-				lightOn = true;
-			break;
-		}
 
-		// Corona
-		if(lightOn)
-			CCoronas::RegisterCorona((uintptr)this + i,
-				effect->col.r, effect->col.g, effect->col.b, 255,
-				pos, effect->light.size, effect->light.dist,
-				effect->light.corona, effect->light.flareType, effect->light.roadReflection,
-				effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f);
-		else if(lightFlickering)
-			CCoronas::RegisterCorona((uintptr)this + i,
-				0, 0, 0, 255,
-				pos, effect->light.size, effect->light.dist,
-				effect->light.corona, effect->light.flareType, effect->light.roadReflection,
-				effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f);
-
-		// Pointlight
-		if(effect->light.flags & LIGHTFLAG_FOG_ALWAYS){
-			CPointLights::AddLight(CPointLights::LIGHT_FOGONLY_ALWAYS,
-				pos, CVector(0.0f, 0.0f, 0.0f),
-				effect->light.range,
-				effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
-				CPointLights::FOG_ALWAYS, true);
-		}else if(effect->light.flags & LIGHTFLAG_FOG_NORMAL && lightOn && effect->light.range == 0.0f){
-			CPointLights::AddLight(CPointLights::LIGHT_FOGONLY,
-				pos, CVector(0.0f, 0.0f, 0.0f),
-				effect->light.range,
-				effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
-				CPointLights::FOG_NORMAL, true);
-		}else if(lightOn && effect->light.range != 0.0f){
-			if(effect->col.r == 0 && effect->col.g == 0 && effect->col.b == 0){
-				CPointLights::AddLight(CPointLights::LIGHT_POINT,
-					pos, CVector(0.0f, 0.0f, 0.0f),
-					effect->light.range,
-					0.0f, 0.0f, 0.0f,
-					CPointLights::FOG_NONE, true);
-			}else{
-				CPointLights::AddLight(CPointLights::LIGHT_POINT,
-					pos, CVector(0.0f, 0.0f, 0.0f),
-					effect->light.range,
-					effect->col.r*CTimeCycle::GetSpriteBrightness()/255.0f,
-					effect->col.g*CTimeCycle::GetSpriteBrightness()/255.0f,
-					effect->col.b*CTimeCycle::GetSpriteBrightness()/255.0f,
-					// half-useless because LIGHTFLAG_FOG_ALWAYS can't be on
-					(effect->light.flags & LIGHTFLAG_FOG) >> 1,
-					true);
+			if(!alreadyProcessedFog){
+				if(effect->light.flags & LIGHTFLAG_FOG_ALWAYS){
+					CPointLights::AddLight(CPointLights::LIGHT_FOGONLY_ALWAYS,
+						pos, CVector(0.0f, 0.0f, 0.0f),
+						0.0f,
+						effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
+						CPointLights::FOG_ALWAYS, true);
+				}else if(effect->light.flags & LIGHTFLAG_FOG_NORMAL && lightOn && effect->light.range == 0.0f){
+					CPointLights::AddLight(CPointLights::LIGHT_FOGONLY,
+						pos, CVector(0.0f, 0.0f, 0.0f),
+						0.0f,
+						effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
+						CPointLights::FOG_NORMAL, true);
+				}
 			}
-		}
 
-		// Light shadow
-		if(effect->light.shadowRange != 0.0f){
-			if(lightOn){
-				CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
-					effect->light.shadow, &pos,
-					effect->light.shadowRange, 0.0f,
-					0.0f, -effect->light.shadowRange,
-					128,
-					effect->col.r*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
-					effect->col.g*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
-					effect->col.b*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
-					15.0f, 1.0f, 40.0f, false, 0.0f);
-			}else if(lightFlickering){
-				CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
-					effect->light.shadow, &pos,
-					effect->light.shadowRange, 0.0f,
-					0.0f, -effect->light.shadowRange,
-					0, 0.0f, 0.0f, 0.0f,
-					15.0f, 1.0f, 40.0f, false, 0.0f);
+			// Light shadow
+			if(effect->light.shadowRange != 0.0f){
+				if(lightOn){
+					CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
+						effect->light.shadow, &pos,
+						effect->light.shadowRange, 0.0f,
+						0.0f, -effect->light.shadowRange,
+						128,
+						effect->col.r*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+						effect->col.g*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+						effect->col.b*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+						15.0f, 1.0f, 40.0f, false, 0.0f);
+				}else if(lightFlickering){
+					CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
+						effect->light.shadow, &pos,
+						effect->light.shadowRange, 0.0f,
+						0.0f, -effect->light.shadowRange,
+						0, 0.0f, 0.0f, 0.0f,
+						15.0f, 1.0f, 40.0f, false, 0.0f);
+				}
+			}
+			break;
+
+		case EFFECT_SUNGLARE:
+			if(CWeather::SunGlare >= 0.0f){
+				CVector pos = GetMatrix() * effect->pos;
+				CVector glareDir = pos - GetPosition();
+				glareDir.Normalise();
+				CVector camDir = TheCamera.GetPosition() - pos;
+				float dist = camDir.Magnitude();
+				camDir *= 2.0f/dist;
+				glareDir += camDir;
+				glareDir.Normalise();
+				float camAngle = -DotProduct(glareDir, CTimeCycle::GetSunDirection());
+				if(camAngle > 0.0f){
+					float intens = Sqrt(camAngle) * CWeather::SunGlare;
+					pos += camDir;
+					CCoronas::RegisterCorona((uintptr)this + 33 + i,
+						intens * (CTimeCycle::GetSunCoreRed() + 2*255)/3.0f,
+						intens * (CTimeCycle::GetSunCoreGreen() + 2*255)/3.0f,
+						intens * (CTimeCycle::GetSunCoreBlue() + 2*255)/3.0f,
+						255,
+						pos, 0.5f*CWeather::SunGlare*Sqrt(dist), 120.0f,
+						CCoronas::TYPE_STAR, CCoronas::FLARE_NONE,
+						CCoronas::REFLECTION_OFF, CCoronas::LOSCHECK_OFF,
+						CCoronas::STREAK_OFF, 0.0f);
+				}
 			}
+			break;
 		}
 	}
 }
@@ -849,27 +948,31 @@ CEntity::ModifyMatrixForTreeInWind(void)
 	CMatrix mat(GetMatrix().m_attachment);
 
 	if(CWeather::Wind >= 0.5){
-		t = m_randomSeed + 16*CTimer::GetTimeInMilliseconds();
+		t = m_randomSeed + 8*CTimer::GetTimeInMilliseconds();
 		f = (t & 0xFFF)/(float)0x1000;
 		flutter = f * WindTabel[(t>>12)+1 & 0xF] +
 			(1.0f - f) * WindTabel[(t>>12) & 0xF] +
 			1.0f;
-		strength = CWeather::Wind < 0.8f ? 0.008f : 0.014f;
+		strength = -0.015f*CWeather::Wind;
 	}else if(CWeather::Wind >= 0.2){
 		t = (uintptr)this + CTimer::GetTimeInMilliseconds();
 		f = (t & 0xFFF)/(float)0x1000;
 		flutter = Sin(f * 6.28f);
-		strength = 0.008f;
+		strength = -0.008f;
 	}else{
 		t = (uintptr)this + CTimer::GetTimeInMilliseconds();
 		f = (t & 0xFFF)/(float)0x1000;
 		flutter = Sin(f * 6.28f);
-		strength = 0.005f;
+		strength = -0.005f;
 	}
 
 	mat.GetUp().x = strength * flutter;
+	if(IsPalmTreeModel(GetModelIndex()))
+		mat.GetUp().x += -0.07f*CWeather::Wind;
 	mat.GetUp().y = mat.GetUp().x;
 
+	CWindModifiers::FindWindModifier(GetPosition(), &mat.GetUp().x, &mat.GetUp().y);
+
 	mat.UpdateRW();
 	UpdateRwFrame();
 }
@@ -881,6 +984,7 @@ float BannerWindTabel[] = {
 	0.28f, 0.28f, 0.22f, 0.1f, 0.0f, -0.1f, -0.17f, -0.12f
 };
 
+//--MIAMI: unused
 void
 CEntity::ModifyMatrixForBannerInWind(void)
 {
@@ -928,7 +1032,6 @@ CEntity::AddSteamsFromGround(CPtrList& list)
 }
 
 #ifdef COMPATIBLE_SAVES
-// TODO(MIAMI)
 void
 CEntity::SaveEntityFlags(uint8*& buf)
 {
@@ -952,35 +1055,41 @@ CEntity::SaveEntityFlags(uint8*& buf)
 	if (bRenderScorched) tmp |= BIT(20);
 	if (bHasBlip) tmp |= BIT(21);
 	if (bIsBIGBuilding) tmp |= BIT(22);
-	if (bRenderDamaged) tmp |= BIT(23);
+	if (bStreamBIGBuilding) tmp |= BIT(23);
 
-	if (bBulletProof) tmp |= BIT(24);
-	if (bFireProof) tmp |= BIT(25);
-	if (bCollisionProof)  tmp |= BIT(26);
-	if (bMeleeProof) tmp |= BIT(27);
-	if (bOnlyDamagedByPlayer) tmp |= BIT(28);
-	if (bStreamingDontDelete) tmp |= BIT(29);
-	if (bRemoveFromWorld) tmp |= BIT(0);
-	if (bHasHitWall) tmp |= BIT(1);
+	if (bRenderDamaged) tmp |= BIT(24);
+	if (bBulletProof) tmp |= BIT(25);
+	if (bFireProof) tmp |= BIT(26);
+	if (bCollisionProof)  tmp |= BIT(27);
+	if (bMeleeProof) tmp |= BIT(28);
+	if (bOnlyDamagedByPlayer) tmp |= BIT(29);
+	if (bStreamingDontDelete) tmp |= BIT(30);
+	if (bRemoveFromWorld) tmp |= BIT(31);
 
 	WriteSaveBuf<uint32>(buf, tmp);
 
 	tmp = 0;
 
-	if (bImBeingRendered)  tmp |= BIT(2);
-	if (bTouchingWater) tmp |= BIT(3);
-	if (bIsSubway) tmp |= BIT(4);
-	if (bDrawLast) tmp |= BIT(5);
-	if (bNoBrightHeadLights) tmp |= BIT(6);
-	if (bDoNotRender) tmp |= BIT(7);
-	if (bDistanceFade) tmp |= BIT(8);
+	if (bHasHitWall) tmp |= BIT(0);
+	if (bImBeingRendered)  tmp |= BIT(1);
+	if (bTouchingWater) tmp |= BIT(2);
+	if (bIsSubway) tmp |= BIT(3);
+	if (bDrawLast) tmp |= BIT(4);
+	if (bNoBrightHeadLights) tmp |= BIT(5);
+	if (bDoNotRender) tmp |= BIT(6);
+	if (bDistanceFade) tmp |= BIT(7);
 
+	if (m_flagE1) tmp |= BIT(8);
 	if (m_flagE2) tmp |= BIT(9);
+	if (bOffscreen) tmp |= BIT(10);
+	if (bIsStaticWaitingForCollision) tmp |= BIT(11);
+	if (m_flagE10) tmp |= BIT(12);
+	if (bUnderwater) tmp |= BIT(13);
+	if (bHasPreRenderEffects) tmp |= BIT(14);
 
 	WriteSaveBuf<uint32>(buf, tmp);
 }
 
-// TODO(MIAMI)
 void
 CEntity::LoadEntityFlags(uint8*& buf)
 {
@@ -1004,28 +1113,50 @@ CEntity::LoadEntityFlags(uint8*& buf)
 	bRenderScorched = !!(tmp & BIT(20));
 	bHasBlip = !!(tmp & BIT(21));
 	bIsBIGBuilding = !!(tmp & BIT(22));
-	bRenderDamaged = !!(tmp & BIT(23));
+	bStreamBIGBuilding = !!(tmp & BIT(23));
 
-	bBulletProof = !!(tmp & BIT(24));
-	bFireProof = !!(tmp & BIT(25));
-	bCollisionProof = !!(tmp & BIT(26));
-	bMeleeProof = !!(tmp & BIT(27));
-	bOnlyDamagedByPlayer = !!(tmp & BIT(28));
-	bStreamingDontDelete = !!(tmp & BIT(29));
-	bRemoveFromWorld = !!(tmp & BIT(0));
-	bHasHitWall = !!(tmp & BIT(1));
+	bRenderDamaged = !!(tmp & BIT(24));
+	bBulletProof = !!(tmp & BIT(25));
+	bFireProof = !!(tmp & BIT(26));
+	bCollisionProof = !!(tmp & BIT(27));
+	bMeleeProof = !!(tmp & BIT(28));
+	bOnlyDamagedByPlayer = !!(tmp & BIT(29));
+	bStreamingDontDelete = !!(tmp & BIT(30));
+	bRemoveFromWorld = !!(tmp & BIT(31));
 
 	tmp = ReadSaveBuf<uint32>(buf);
 
-	bImBeingRendered = !!(tmp & BIT(2));
-	bTouchingWater = !!(tmp & BIT(3));
-	bIsSubway = !!(tmp & BIT(4));
-	bDrawLast = !!(tmp & BIT(5));
-	bNoBrightHeadLights = !!(tmp & BIT(6));
-	bDoNotRender = !!(tmp & BIT(7));
-	bDistanceFade = !!(tmp & BIT(8));
+	bHasHitWall = !!(tmp & BIT(0));
+	bImBeingRendered = !!(tmp & BIT(1));
+	bTouchingWater = !!(tmp & BIT(2));
+	bIsSubway = !!(tmp & BIT(3));
+	bDrawLast = !!(tmp & BIT(4));
+	bNoBrightHeadLights = !!(tmp & BIT(5));
+	bDoNotRender = !!(tmp & BIT(6));
+	bDistanceFade = !!(tmp & BIT(7));
 
+	m_flagE1 = !!(tmp & BIT(8));
 	m_flagE2 = !!(tmp & BIT(9));
+	bOffscreen = !!(tmp & BIT(10));
+	bIsStaticWaitingForCollision = !!(tmp & BIT(11));
+	m_flagE10 = !!(tmp & BIT(12));
+	bUnderwater = !!(tmp & BIT(13));
+	bHasPreRenderEffects = !!(tmp & BIT(14));
 }
 
 #endif
+
+bool IsEntityPointerValid(CEntity* pEntity)
+{
+	if (!pEntity)
+		return false;
+	switch (pEntity->GetType()) {
+	case ENTITY_TYPE_NOTHING: return false;
+	case ENTITY_TYPE_BUILDING: return IsBuildingPointerValid((CBuilding*)pEntity);
+	case ENTITY_TYPE_VEHICLE: return IsVehiclePointerValid((CVehicle*)pEntity);
+	case ENTITY_TYPE_PED: return IsPedPointerValid((CPed*)pEntity);
+	case ENTITY_TYPE_OBJECT: return IsObjectPointerValid((CObject*)pEntity);
+	case ENTITY_TYPE_DUMMY: return IsDummyPointerValid((CDummy*)pEntity);
+	}
+	return false;
+}
diff --git a/src/entities/Entity.h b/src/entities/Entity.h
index fa57519e..e7d402d0 100644
--- a/src/entities/Entity.h
+++ b/src/entities/Entity.h
@@ -30,6 +30,7 @@ enum eEntityStatus : uint8
 	STATUS_PLANE,
 	STATUS_PLAYER_REMOTE,
 	STATUS_PLAYER_DISABLED,
+	STATUS_12,	// TODO: what is this? used in CPhysical::ApplyAirResistance
 };
 
 class CEntity : public CPlaceable
@@ -78,7 +79,7 @@ public:
 	uint32 bIsSubway : 1;	// set when subway, but maybe different meaning?
 	uint32 bDrawLast : 1;				// draw object last
 	uint32 bNoBrightHeadLights : 1;
-	uint32 bDoNotRender : 1;
+	uint32 bDoNotRender : 1;	//-- only applies to CObjects apparently
 	uint32 bDistanceFade : 1;			// Fade entity because it is far away
 
 	// flagsE
@@ -88,7 +89,7 @@ public:
 	uint32 bIsStaticWaitingForCollision : 1; // this is used by script created entities - they are static until the collision is loaded below them
 	uint32 m_flagE10 : 1;	// probably bDontStream
 	uint32 bUnderwater : 1;              // this object is underwater change drawing order
-	uint32 m_flagE40 : 1;
+	uint32 bHasPreRenderEffects : 1; // Object has a prerender effects attached to it
 
 	uint16 m_scanCode;
 	uint16 m_randomSeed;
@@ -112,12 +113,12 @@ public:
 #endif
 
 	CEntity(void);
-	~CEntity(void);
+	virtual ~CEntity(void);
 
 	virtual void Add(void);
 	virtual void Remove(void);
-	virtual void SetModelIndex(uint32 id) { m_modelIndex = id; CreateRwObject(); }
-	virtual void SetModelIndexNoCreate(uint32 id) { m_modelIndex = id; }
+	virtual void SetModelIndex(uint32 id);
+	virtual void SetModelIndexNoCreate(uint32 id);
 	virtual void CreateRwObject(void);
 	virtual void DeleteRwObject(void);
 	virtual CRect GetBoundRect(void);
@@ -160,6 +161,7 @@ public:
 	int16 GetModelIndex(void) const { return m_modelIndex; }
 	void UpdateRwFrame(void);
 	void SetupBigBuilding(void);
+	bool HasPreRenderEffects(void);
 
 	void AttachToRwObject(RwObject *obj);
 	void DetachFromRwObject(void);
@@ -180,3 +182,5 @@ public:
 
 	static void AddSteamsFromGround(CPtrList& list);
 };
+
+bool IsEntityPointerValid(CEntity*);
diff --git a/src/entities/Physical.cpp b/src/entities/Physical.cpp
index 22b391e8..02feb5cb 100644
--- a/src/entities/Physical.cpp
+++ b/src/entities/Physical.cpp
@@ -1,7 +1,9 @@
 #include "common.h"
 
 #include "World.h"
+#include "General.h"
 #include "Timer.h"
+#include "Stats.h"
 #include "ModelIndices.h"
 #include "Treadable.h"
 #include "Vehicle.h"
@@ -15,8 +17,11 @@
 #include "CarCtrl.h"
 #include "DMAudio.h"
 #include "Automobile.h"
+#include "Pickups.h"
 #include "Physical.h"
 
+//--MIAMI: file done except one bike thing
+
 CPhysical::CPhysical(void)
 {
 	int i;
@@ -37,6 +42,7 @@ CPhysical::CPhysical(void)
 		m_aCollisionRecords[i] = nil;
 
 	m_bIsVehicleBeingShifted = false;
+	bJustCheckCollision = false;
 
 	m_nDamagePieceType = 0;
 	m_fDamageImpulse = 0.0f;
@@ -45,25 +51,26 @@ CPhysical::CPhysical(void)
 
 	bUsesCollision = true;
 	m_audioEntityId = -5;
-	unk1 = 100.0f;
+	m_phys_unused1 = 100.0f;
 	m_vecCentreOfMass = CVector(0.0f, 0.0f, 0.0f);
-	field_EC = 0;
+	m_phys_unused2 = 0;
 
 	bIsHeavy = false;
 	bAffectedByGravity = true;
 	bInfiniteMass = false;
+	m_phy_flagA08 = false;
 	bIsInWater = false;
 	bHitByTrain = false;
 	bSkipLineCol = false;
 
 	m_fDistanceTravelled = 0.0f;
-	m_treadable[PATH_CAR] = nil;
-	m_treadable[PATH_PED] = nil;
 
-	m_phy_flagA10 = false;
 	m_phy_flagA20 = false;
 
 	m_nZoneLevel = LEVEL_NONE;
+
+	bIsFrozen = false;
+	bDontLoadCollision = false;
 }
 
 CPhysical::~CPhysical(void)
@@ -264,7 +271,6 @@ CPhysical::AddCollisionRecord(CEntity *ent)
 	}
 }
 
-//--MIAMI: done
 void
 CPhysical::AddCollisionRecord_Treadable(CEntity *ent)
 {
@@ -401,18 +407,26 @@ CPhysical::GetSpeed(const CVector &r)
 void
 CPhysical::ApplyMoveSpeed(void)
 {
-	GetMatrix().Translate(m_vecMoveSpeed * CTimer::GetTimeStep());
+	if(bIsFrozen)
+		m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
+	else
+		GetMatrix().Translate(m_vecMoveSpeed * CTimer::GetTimeStep());
 }
 
+
 void
 CPhysical::ApplyTurnSpeed(void)
 {
-	// Move the coordinate axes by their speed
-	// Note that this denormalizes the matrix
-	CVector turnvec = m_vecTurnSpeed*CTimer::GetTimeStep();
-	GetRight() += CrossProduct(turnvec, GetRight());
-	GetForward() += CrossProduct(turnvec, GetForward());
-	GetUp() += CrossProduct(turnvec, GetUp());
+	if(bIsFrozen){
+		m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
+	}else{
+		// Move the coordinate axes by their speed
+		// Note that this denormalizes the matrix
+		CVector turnvec = m_vecTurnSpeed*CTimer::GetTimeStep();
+		GetRight() += CrossProduct(turnvec, GetRight());
+		GetForward() += CrossProduct(turnvec, GetForward());
+		GetUp() += CrossProduct(turnvec, GetUp());
+	}
 }
 
 void
@@ -456,6 +470,21 @@ CPhysical::ApplySpringCollision(float springConst, CVector &springDir, CVector &
 	return true;
 }
 
+bool
+CPhysical::ApplySpringCollisionAlt(float springConst, CVector &springDir, CVector &point, float springRatio, float bias, CVector &forceDir)
+{
+	float compression = 1.0f - springRatio;
+	if(compression > 0.0f){
+		if(DotProduct(springDir, forceDir) > 0.0f)
+			forceDir *= -1.0f;
+		float step = Min(CTimer::GetTimeStep(), 3.0f);
+		float impulse = -GRAVITY*m_fMass*step * springConst * compression * bias*2.0f;
+		ApplyMoveForce(forceDir*impulse);
+		ApplyTurnForce(forceDir*impulse, point);
+	}
+	return true;
+}
+
 // What exactly is speed?
 bool
 CPhysical::ApplySpringDampening(float damping, CVector &springDir, CVector &point, CVector &speed)
@@ -464,6 +493,8 @@ CPhysical::ApplySpringDampening(float damping, CVector &springDir, CVector &poin
 	float speedB = DotProduct(GetSpeed(point), springDir);
 	float step = Min(CTimer::GetTimeStep(), 3.0f);
 	float impulse = -damping * (speedA + speedB)/2.0f * m_fMass * step * 0.53f;
+	if(bIsHeavy)
+		impulse *= 2.0f;
 
 	// what is this?
 	float a = m_fTurnMass / ((point.MagnitudeSqr() + 1.0f) * 2.0f * m_fMass);
@@ -497,9 +528,11 @@ void
 CPhysical::ApplyAirResistance(void)
 {
 	if(m_fAirResistance > 0.1f){
-		float f = Pow(m_fAirResistance, CTimer::GetTimeStep());
-		m_vecMoveSpeed *= f;
-		m_vecTurnSpeed *= f;
+		if(GetStatus() != STATUS_12){ 
+			float f = Pow(m_fAirResistance, CTimer::GetTimeStep());
+			m_vecMoveSpeed *= f;
+			m_vecTurnSpeed *= f;
+		}
 	}else{
 		float f = Pow(1.0f/(m_fAirResistance*0.5f*m_vecMoveSpeed.MagnitudeSqr() + 1.0f), CTimer::GetTimeStep());
 		m_vecMoveSpeed *= f;
@@ -507,7 +540,6 @@ CPhysical::ApplyAirResistance(void)
 	}
 }
 
-
 bool
 CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, float &impulseB)
 {
@@ -515,32 +547,38 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 	CPhysical *A = this;
 	CObject *Bobj = (CObject*)B;
 
+	bool foo = false;	// TODO: what does this mean?
 	bool ispedcontactA = false;
 	bool ispedcontactB = false;
 
-	float timestepA;
+	float massFactorA;
 	if(B->bPedPhysics){
-		timestepA = 10.0f;
+		massFactorA = 10.0f;
 		if(B->IsPed() && ((CPed*)B)->m_pCurrentPhysSurface == A)
 			ispedcontactA = true;
 	}else
-		timestepA = A->bIsHeavy ? 2.0f : 1.0f;
+		massFactorA = A->bIsHeavy ? 2.0f : 1.0f;
 
-	float timestepB;
+	float massFactorB;
 	if(A->bPedPhysics){
 		if(A->IsPed() && ((CPed*)A)->IsPlayer() && B->IsVehicle() &&
 		   (B->GetStatus() == STATUS_ABANDONED || B->GetStatus() == STATUS_WRECKED || A->bHasHitWall))
-			timestepB = 2200.0f / B->m_fMass;
+			massFactorB = 1.0f/(Max(B->m_fMass - 2000.0f, 0.0f)/5000.0f + 1.0f);
 		else
-			timestepB = 10.0f;
+			massFactorB = 10.0f;
 
 		if(A->IsPed() && ((CPed*)A)->m_pCurrentPhysSurface == B)
 			ispedcontactB = true;
 	}else
-		timestepB = B->bIsHeavy ? 2.0f : 1.0f;
+		massFactorB = B->bIsHeavy ? 2.0f : 1.0f;
+
+	if(B->bInfiniteMass && !B->m_phy_flagA08){
+		ispedcontactB = false;
+		foo = true;
+	}
 
 	float speedA, speedB;
-	if(B->IsStatic()){
+	if(B->IsStatic() && !foo){
 		if(A->bPedPhysics){
 			speedA = DotProduct(A->m_vecMoveSpeed, colpoint.normal);
 			if(speedA < 0.0f){
@@ -550,8 +588,11 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 					if(impulseA > Bobj->m_fUprootLimit){
 						if(IsGlass(B->GetModelIndex()))
 							CGlass::WindowRespondsToCollision(B, impulseA, A->m_vecMoveSpeed, colpoint.point, false);
-						else if(!B->bInfiniteMass)
+						else if(!B->bInfiniteMass){
 							B->bIsStatic = false;
+							CWorld::Players[CWorld::PlayerInFocus].m_nHavocLevel += 2;
+							CStats::PropertyDestroyed += CGeneral::GetRandomNumberInRange(30, 60);
+						}
 					}else{
 						if(IsGlass(B->GetModelIndex()))
 							CGlass::WindowRespondsToSoftCollision(B, impulseA);
@@ -603,6 +644,9 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 						if(model == MI_FIRE_HYDRANT && !Bobj->bHasBeenDamaged){
 							CParticleObject::AddObject(POBJECT_FIRE_HYDRANT, B->GetPosition() - CVector(0.0f, 0.0f, 0.5f), true);
 							Bobj->bHasBeenDamaged = true;
+						}else if(model == MI_PARKINGMETER || model == MI_PARKINGMETER2){
+							CPickups::CreateSomeMoney(GetPosition(), CGeneral::GetRandomNumber()%100);
+							Bobj->bHasBeenDamaged = true;
 						}else if(B->IsObject() && !IsExplosiveThingModel(model))
 							Bobj->bHasBeenDamaged = true;
 					}else{
@@ -625,7 +669,7 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 	
 		if(B->IsStatic())
 			return false;
-		if(!B->bInfiniteMass)
+		if(!B->bInfiniteMass && !B->m_phy_flagA08)
 			B->AddToMovingList();
 	}
 
@@ -635,16 +679,36 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 		// negative if A is moving towards B
 		speedA = DotProduct(A->m_vecMoveSpeed, colpoint.normal);
 		// positive if B is moving towards A
-		// not interested in how much B moves into A apparently?
-		// only interested in cases where A collided into B
-		speedB = Max(0.0f, DotProduct(B->m_vecMoveSpeed, colpoint.normal));
-		// A has moved into B
-		if(speedA < speedB){
-			if(!A->bHasHitWall)
-				speedB -= (speedA - speedB) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
-			impulseA = (speedB-speedA) * A->m_fMass * timestepA;
+		float speedB = DotProduct(B->m_vecMoveSpeed, colpoint.normal);
+
+		bool affectB = false;
+		float mA = A->m_fMass;;
+		float mB = B->m_fMass;;
+		float speedSum;
+		if(((CPed*)A)->GetPedState() == PED_FOLLOW_PATH){
+			affectB = true;	
+			speedSum = (2.0f*mA*speedA + mB*speedB)/(2.0f*mA + mB);
+		}else{
+			speedSum = Max(speedB, 0.0f);
+		}
+
+		if(speedA < speedSum){
+			if(A->bHasHitWall)
+				eA = speedSum;
+			else
+				eA = speedSum - (speedA - speedSum) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
+			impulseA = (eA-speedA) * mA;
 			if(!A->bInfiniteMass)
-				A->ApplyMoveForce(colpoint.normal*(impulseA/timestepA));
+				A->ApplyMoveForce(colpoint.normal*impulseA);
+			if(affectB && speedB < speedSum){
+				if(B->bHasHitWall)
+					eB = speedSum;
+				else
+					eB = speedSum - (speedB - speedSum) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
+				impulseB = -(eB-speedB) * mB;
+				if(!B->bInfiniteMass)
+					B->ApplyMoveForce(colpoint.normal*-impulseB);
+			}
 			return true;
 		}
 	}else if(A->bPedPhysics){
@@ -652,9 +716,13 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 		speedA = DotProduct(A->m_vecMoveSpeed, colpoint.normal);
 		speedB = DotProduct(B->GetSpeed(pointposB), colpoint.normal);
 
-		float a = A->m_fMass*timestepA;
-		float b = B->GetMassTime(pointposB, colpoint.normal, timestepB);
-		float speedSum = (b*speedB + a*speedA)/(a + b);
+		float mA = A->m_fMass*massFactorA;
+		float mB = B->GetMassTweak(pointposB, colpoint.normal, massFactorB);
+		float speedSum;
+		if(foo)
+			speedSum = speedB;
+		else
+			speedSum = (mB*speedB + mA*speedA)/(mA + mB);
 		if(speedA < speedSum){
 			if(A->bHasHitWall)
 				eA = speedSum;
@@ -664,10 +732,10 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 				eB = speedSum;
 			else
 				eB = speedSum - (speedB - speedSum) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
-			impulseA = (eA - speedA) * a;
-			impulseB = -(eB - speedB) * b;
-			CVector fA = colpoint.normal*(impulseA/timestepA);
-			CVector fB = colpoint.normal*(-impulseB/timestepB);
+			impulseA = (eA - speedA) * mA;
+			impulseB = -(eB - speedB) * mB;
+			CVector fA = colpoint.normal*(impulseA/massFactorA);
+			CVector fB = colpoint.normal*(-impulseB/massFactorB);
 			if(!A->bInfiniteMass){
 				if(fA.z < 0.0f) fA.z = 0.0f;
 				if(ispedcontactB){
@@ -687,9 +755,9 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 		speedA = DotProduct(A->GetSpeed(pointposA), colpoint.normal);
 		speedB = DotProduct(B->m_vecMoveSpeed, colpoint.normal);
 
-		float a = A->GetMassTime(pointposA, colpoint.normal, timestepA);
-		float b = B->m_fMass*timestepB;
-		float speedSum = (b*speedB + a*speedA)/(a + b);
+		float mA = A->GetMassTweak(pointposA, colpoint.normal, massFactorA);
+		float mB = B->m_fMass*massFactorB;
+		float speedSum = (mB*speedB + mA*speedA)/(mA + mB);
 		if(speedA < speedSum){
 			if(A->bHasHitWall)
 				eA = speedSum;
@@ -699,10 +767,10 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 				eB = speedSum;
 			else
 				eB = speedSum - (speedB - speedSum) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
-			impulseA = (eA - speedA) * a;
-			impulseB = -(eB - speedB) * b;
-			CVector fA = colpoint.normal*(impulseA/timestepA);
-			CVector fB = colpoint.normal*(-impulseB/timestepB);
+			impulseA = (eA - speedA) * mA;
+			impulseB = -(eB - speedB) * mB;
+			CVector fA = colpoint.normal*(impulseA/massFactorA);
+			CVector fB = colpoint.normal*(-impulseB/massFactorB);
 			if(!A->bInfiniteMass && !ispedcontactA){
 				if(fA.z < 0.0f) fA.z = 0.0f;
 				A->ApplyMoveForce(fA);
@@ -727,9 +795,9 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 		CVector pointposB = colpoint.point - B->GetPosition();
 		speedA = DotProduct(A->GetSpeed(pointposA), colpoint.normal);
 		speedB = DotProduct(B->GetSpeed(pointposB), colpoint.normal);
-		float a = A->GetMassTime(pointposA, colpoint.normal, timestepA);
-		float b = B->GetMassTime(pointposB, colpoint.normal, timestepB);
-		float speedSum = (b*speedB + a*speedA)/(a + b);
+		float mA = A->GetMassTweak(pointposA, colpoint.normal, massFactorA);
+		float mB = B->GetMassTweak(pointposB, colpoint.normal, massFactorB);
+		float speedSum = (mB*speedB + mA*speedA)/(mA + mB);
 		if(speedA < speedSum){
 			if(A->bHasHitWall)
 				eA = speedSum;
@@ -739,10 +807,10 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 				eB = speedSum;
 			else
 				eB = speedSum - (speedB - speedSum) * (A->m_fElasticity+B->m_fElasticity)/2.0f;
-			impulseA = (eA - speedA) * a;
-			impulseB = -(eB - speedB) * b;
-			CVector fA = colpoint.normal*(impulseA/timestepA);
-			CVector fB = colpoint.normal*(-impulseB/timestepB);
+			impulseA = (eA - speedA) * mA;
+			impulseB = -(eB - speedB) * mB;
+			CVector fA = colpoint.normal*(impulseA/massFactorA);
+			CVector fB = colpoint.normal*(-impulseB/massFactorB);
 			if(A->IsVehicle() && !A->bHasHitWall){
 				fA.x *= 1.4f;
 				fA.y *= 1.4f;
@@ -758,7 +826,7 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 			if(B->IsVehicle() && !B->bHasHitWall){
 				fB.x *= 1.4f;
 				fB.y *= 1.4f;
-				if(colpoint.normal.z < 0.7f)
+				if(-colpoint.normal.z < 0.7f)
 					fB.z *= 0.3f;
 				if(B->GetStatus() == STATUS_PLAYER)
 					pointposB *= 0.8f;
@@ -785,13 +853,52 @@ CPhysical::ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, fl
 }
 
 bool
+CPhysical::ApplyCollision(CColPoint &colpoint, float &impulse)
+{
+	float speed;
+	if(bPedPhysics){
+		speed = DotProduct(m_vecMoveSpeed, colpoint.normal);
+		if(speed < 0.0f){
+			impulse = -speed * m_fMass;
+			ApplyMoveForce(colpoint.normal*impulse);
+			return true;
+		}
+	}else{
+		CVector pointpos = colpoint.point - GetPosition();
+		speed = DotProduct(GetSpeed(pointpos), colpoint.normal);
+
+		if(speed < 0.0f){
+			float mass = GetMass(pointpos, colpoint.normal);
+			impulse = -(m_fElasticity + 1.0f) * speed * mass;
+			CVector f = colpoint.normal*impulse;
+			if(IsVehicle()){
+				f.x *= 1.4f;
+				f.y *= 1.4f;
+				if(colpoint.normal.z < 0.7f)
+					f.z *= 0.3f;
+			}
+			if(!bInfiniteMass){
+				ApplyMoveForce(f);
+				if(!IsVehicle() || !CWorld::bNoMoreCollisionTorque)
+					ApplyTurnForce(f, pointpos);
+			}
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool
 CPhysical::ApplyCollisionAlt(CEntity *B, CColPoint &colpoint, float &impulse, CVector &moveSpeed, CVector &turnSpeed)
 {
 	float normalSpeed;
-	float e;
 	CVector speed;
 	CVector vImpulse;
 
+	if(GetModelIndex() == MI_BEACHBALL && B != (CEntity*)FindPlayerPed())
+		((CObject*)this)->m_nBeachballBounces = 0;
+
 	if(bPedPhysics){
 		normalSpeed = DotProduct(m_vecMoveSpeed, colpoint.normal);
 		if(normalSpeed < 0.0f){
@@ -804,28 +911,61 @@ CPhysical::ApplyCollisionAlt(CEntity *B, CColPoint &colpoint, float &impulse, CV
 		speed = GetSpeed(pointpos);
 		normalSpeed = DotProduct(speed, colpoint.normal);
 		if(normalSpeed < 0.0f){
-			float minspeed = 0.0104f * CTimer::GetTimeStep();
-#ifdef GTA3_1_1_PATCH
-			if ((IsObject() || IsVehicle() && (GetUp().z < -0.3f || ((CVehicle*)this)->IsBike() && (GetStatus() == STATUS_ABANDONED || GetStatus() == STATUS_WRECKED))) &&
-#else
-			if((IsObject() || IsVehicle() && GetUp().z < -0.3f) &&
-#endif
-			   !bHasContacted &&
+			int16 elasticityType = 0;
+			float mass = GetMass(pointpos, colpoint.normal);
+			float minspeed = GRAVITY * CTimer::GetTimeStep();
+
+			if(IsObject())
+				elasticityType = 1;
+			else if(IsVehicle() && !bIsInWater){
+				if(((CVehicle*)this)->IsBike() && (GetStatus() == STATUS_ABANDONED || GetStatus() == STATUS_WRECKED)){
+					minspeed *= 1.3f;
+					elasticityType = 3;
+				}else if(((CVehicle*)this)->IsBoat()){
+					minspeed *= 1.2f;
+					elasticityType = 4;
+				}else if(GetUp().z < -0.3f){
+					minspeed *= 1.1f;
+					elasticityType = 2;
+				}
+			}
+
+			if(elasticityType == 1 && !bHasContacted &&
+			   Abs(m_vecMoveSpeed.x) < minspeed &&
+			   Abs(m_vecMoveSpeed.y) < minspeed &&
+			   Abs(m_vecMoveSpeed.z) < minspeed*2.0f)
+				impulse = -0.98f * normalSpeed * mass;
+			if(elasticityType == 3 &&
+			   Abs(m_vecMoveSpeed.x) < minspeed &&
+			   Abs(m_vecMoveSpeed.y) < minspeed &&
+			   Abs(m_vecMoveSpeed.z) < minspeed*2.0f)
+				impulse = -0.8f * normalSpeed * mass;
+			else if(elasticityType == 2 &&
+			   Abs(m_vecMoveSpeed.x) < minspeed &&
+			   Abs(m_vecMoveSpeed.y) < minspeed &&
+			   Abs(m_vecMoveSpeed.z) < minspeed*2.0f)
+				impulse = -0.92f * normalSpeed * mass;
+			else if(elasticityType == 4 &&
 			   Abs(m_vecMoveSpeed.x) < minspeed &&
 			   Abs(m_vecMoveSpeed.y) < minspeed &&
 			   Abs(m_vecMoveSpeed.z) < minspeed*2.0f)
-				e = -1.0f;
+				impulse = -0.8f * normalSpeed * mass;
+			else if(IsVehicle() && ((CVehicle*)this)->IsBoat() &&
+			   colpoint.surfaceB == SURFACE_WOOD_SOLID && colpoint.normal.z < 0.5f)
+				impulse = -(2.0f * m_fElasticity + 1.0f) * normalSpeed * mass;
 			else
-				e = -(m_fElasticity + 1.0f);
-			impulse = normalSpeed * e * GetMass(pointpos, colpoint.normal);
+				impulse = -(m_fElasticity + 1.0f) * normalSpeed * mass;
 
 			// ApplyMoveForce
 			vImpulse = colpoint.normal*impulse;
-			if(IsVehicle() &&
-			   (!bHasHitWall ||
-			    !(m_vecMoveSpeed.MagnitudeSqr() > 0.1 || !(B->IsBuilding() || ((CPhysical*)B)->bInfiniteMass))))
-				moveSpeed += vImpulse * 1.2f * (1.0f/m_fMass);
-			else
+			if(IsVehicle()){
+				if(!bHasHitWall ||
+				   !(m_vecMoveSpeed.MagnitudeSqr() > 0.1 || !(B->IsBuilding() || ((CPhysical*)B)->bInfiniteMass)))
+					moveSpeed += vImpulse * 1.2f * (1.0f/m_fMass);
+				else
+					moveSpeed += vImpulse * (1.0f/m_fMass);
+				vImpulse *= 0.8f;
+			}else
 				moveSpeed += vImpulse * (1.0f/m_fMass);
 
 			// ApplyTurnForce
@@ -1006,7 +1146,7 @@ CPhysical::ApplyFriction(float adhesiveLimit, CColPoint &colpoint)
 			ApplyFrictionTurnForce(frictionDir*fImpulse, pointpos);
 
 			if(fOtherSpeed > 0.1f &&
-			   colpoint.surfaceB != SURFACE_2 && colpoint.surfaceB != SURFACE_4 &&
+			   colpoint.surfaceB != SURFACE_GRASS && colpoint.surfaceB != SURFACE_MUD_DRY &&
 			   CSurfaceTable::GetAdhesionGroup(colpoint.surfaceA) == ADHESIVE_HARD){
 				CVector v = frictionDir * fOtherSpeed * 0.25f;
 				for(int i = 0; i < 4; i++)
@@ -1055,7 +1195,7 @@ CPhysical::ProcessShiftSectorList(CPtrList *lists)
 				canshift = true;
 			else
 				canshift = A->IsPed() &&
-					B->IsObject() && B->bInfiniteMass && !Bobj->bHasBeenDamaged;
+					B->IsObject() && B->IsStatic() && !Bobj->bHasBeenDamaged;
 			if(B == A ||
 			   B->m_scanCode == CWorld::GetCurrentScanCode() ||
 			   !B->bUsesCollision ||
@@ -1067,15 +1207,14 @@ CPhysical::ProcessShiftSectorList(CPtrList *lists)
 
 			if(B->IsBuilding())
 				skipShift = false;
-			else if(IsTrafficLight(A->GetModelIndex()) &&
+			else if(IsLightWithoutShift(A->GetModelIndex()) &&
 			  (B->IsVehicle() || B->IsPed()) &&
 			  A->GetUp().z < 0.66f)
 				skipShift = true;
 			else if((A->IsVehicle() || A->IsPed()) &&
 			  B->GetUp().z < 0.66f &&
-			  IsTrafficLight(B->GetModelIndex()))
+			  IsLightWithoutShift(B->GetModelIndex()))
 				skipShift = true;
-// TODO: maybe flip some ifs here
 			else if(A->IsObject() && B->IsVehicle()){
 				CObject *Aobj = (CObject*)A;
 				if(Aobj->ObjectCreatedBy != TEMP_OBJECT &&
@@ -1194,6 +1333,9 @@ CPhysical::ProcessCollisionSectorList_SimpleCar(CPtrList *lists)
 
 	A = (CPhysical*)this;
 
+	if(!A->bUsesCollision)
+		return false;
+
 	radius = A->GetBoundRadius();
 	A->GetBoundCentre(center);
 
@@ -1212,6 +1354,7 @@ CPhysical::ProcessCollisionSectorList_SimpleCar(CPtrList *lists)
 		for(listnode = list->first; listnode; listnode = listnode->next){
 			B = (CPhysical*)listnode->item;
 			if(B != A &&
+			   !(B->IsObject() && ((CObject*)B)->bIsStreetLight && B->GetUp().z < 0.66f) &&
 			   B->m_scanCode != CWorld::GetCurrentScanCode() &&
 			   B->bUsesCollision &&
 			   B->GetIsTouching(center, radius)){
@@ -1355,6 +1498,7 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 	int numResponses;
 	int i, j;
 	bool skipCollision, altcollision;
+	bool ret = false;
 	float impulseA = -1.0f;
 	float impulseB = -1.0f;
 
@@ -1375,9 +1519,9 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 			Bped = (CPed*)B;
 
 			bool isTouching = true;
-			if(B == A ||
+			if(!B->bUsesCollision ||
 			   B->m_scanCode == CWorld::GetCurrentScanCode() ||
-			   !B->bUsesCollision ||
+			   B == A ||			   
 			   !(isTouching = B->GetIsTouching(center, radius))){
 				if(!isTouching){
 					if(A->IsObject() && Aobj->m_pCollidingEntity == B)
@@ -1398,27 +1542,27 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 
 			if(B->IsBuilding())
 				skipCollision = false;
-			else if(IsTrafficLight(A->GetModelIndex()) &&
+			else if(A->IsObject() && Aobj->bIsStreetLight &&
 			  (B->IsVehicle() || B->IsPed()) &&
 			  A->GetUp().z < 0.66f){
 				skipCollision = true;
 				A->bSkipLineCol = true;
 				Aobj->m_pCollidingEntity = B;
-			}else if((A->IsVehicle() || A->IsPed()) &&
-			  B->GetUp().z < 0.66f &&
-			  IsTrafficLight(B->GetModelIndex())){
+			}else if(B->IsObject() && Bobj->bIsStreetLight &&
+			  (A->IsVehicle() || A->IsPed()) &&
+			  B->GetUp().z < 0.66f){
 				skipCollision = true;
 				A->bSkipLineCol = true;
 				Bobj->m_pCollidingEntity = A;
 			}else if(A->IsObject() && B->IsVehicle()){
-				if(A->GetModelIndex() == MI_CAR_BUMPER || A->GetModelIndex() == MI_FILES)
+				if(A->GetModelIndex() == MI_CAR_BUMPER)
 					skipCollision = true;
 				else if(Aobj->ObjectCreatedBy == TEMP_OBJECT ||
 				   Aobj->bHasBeenDamaged ||
 				   !Aobj->IsStatic()){
 					if(Aobj->m_pCollidingEntity == B)
 						skipCollision = true;
-					else{
+					else if(Aobj->m_nCollisionDamageEffect < DAMAGE_EFFECT_SMASH_COMPLETELY){
 						CMatrix inv;
 						CVector size = CModelInfo::GetModelInfo(A->GetModelIndex())->GetColModel()->boundingBox.GetSize();
 						size = A->GetMatrix() * size;
@@ -1430,14 +1574,14 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 					}
 				}
 			}else if(B->IsObject() && A->IsVehicle()){
-				if(B->GetModelIndex() == MI_CAR_BUMPER || B->GetModelIndex() == MI_FILES)
+				if(B->GetModelIndex() == MI_CAR_BUMPER)
 					skipCollision = true;
 				else if(Bobj->ObjectCreatedBy == TEMP_OBJECT ||
 				   Bobj->bHasBeenDamaged ||
 				   !Bobj->IsStatic()){
 					if(Bobj->m_pCollidingEntity == A)
 						skipCollision = true;
-					else{
+					else if(Bobj->m_nCollisionDamageEffect < DAMAGE_EFFECT_SMASH_COMPLETELY){
 						CMatrix inv;
 						CVector size = CModelInfo::GetModelInfo(B->GetModelIndex())->GetColModel()->boundingBox.GetSize();
 						size = B->GetMatrix() * size;
@@ -1447,14 +1591,16 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 						}
 					}
 				}
-			}else if(IsBodyPart(A->GetModelIndex()) && B->IsPed()){
+			}else if(A->GetModelIndex() == MI_GRENADE && B->IsPed() &&
+			  A->GetPosition().z < B->GetPosition().z){
 				skipCollision = true;
-			}else if(A->IsPed() && IsBodyPart(B->GetModelIndex())){
+			}else if(B->GetModelIndex() == MI_GRENADE && A->IsPed() &&
+			  B->GetPosition().z < A->GetPosition().z){
 				skipCollision = true;
 				A->bSkipLineCol = true;
 			}else if(A->IsPed() && Aped->m_pCollidingEntity == B){
 				skipCollision = true;
-				if(!Aped->bKnockedUpIntoAir)
+				if(!Aped->bKnockedUpIntoAir || Aped->b158_4)
 					A->bSkipLineCol = true;
 			}else if(B->IsPed() && Bped->m_pCollidingEntity == A){
 				skipCollision = true;
@@ -1469,7 +1615,11 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 
 			if(!A->bUsesCollision || skipCollision){
 				B->m_scanCode = CWorld::GetCurrentScanCode();
-				A->ProcessEntityCollision(B, aColPoints);
+				numCollisions = A->ProcessEntityCollision(B, aColPoints);
+				if(A->bJustCheckCollision && numCollisions > 0)
+					return true;
+				if(numCollisions == 0 && A == (CEntity*)FindPlayerPed() && Aped->m_pCollidingEntity == B)
+					Aped->m_pCollidingEntity = nil;
 			}else if(B->IsBuilding() || B->bIsStuck || B->bInfiniteMass || altcollision){
 
 				// This is the case where B doesn't move
@@ -1481,6 +1631,7 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 
 				CVector moveSpeed = { 0.0f, 0.0f, 0.0f };
 				CVector turnSpeed = { 0.0f, 0.0f, 0.0f };
+				float maxImpulseA = 0.0f;
 				numResponses = 0;
 				if(A->bHasContacted){
 					for(i = 0; i < numCollisions; i++){
@@ -1488,20 +1639,35 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 							continue;
 
 						numResponses++;
+						if(impulseA > maxImpulseA) maxImpulseA = impulseA;
 
-						if(impulseA > A->m_fDamageImpulse)
-							A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
+						if(A->IsVehicle()){
+							if(!(((CVehicle*)A)->IsBoat() && aColPoints[i].surfaceB == SURFACE_WOOD_SOLID) &&
+							   impulseA > A->m_fDamageImpulse)
+								A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
+
+							if(CSurfaceTable::GetAdhesionGroup(aColPoints[i].surfaceB) == ADHESIVE_SAND)
+								aColPoints[i].surfaceB = SURFACE_SAND;
+
+							float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
+							float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
+
+							if(A->GetUp().z < -0.6f &&
+							   Abs(A->m_vecMoveSpeed.x) < 0.05f &&
+							   Abs(A->m_vecMoveSpeed.y) < 0.05f)
+								DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, 0.1f*impulseA, Max(turnSpeedDiff, moveSpeedDiff));
+							else
+								DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, impulseA, Max(turnSpeedDiff, moveSpeedDiff));
 
-						float imp = impulseA;
-						if(A->IsVehicle() && A->GetUp().z < -0.6f &&
-						   Abs(A->m_vecMoveSpeed.x) < 0.05f &&
-						   Abs(A->m_vecMoveSpeed.y) < 0.05f)
-							imp *= 0.1f;
+						}else{
+							if(impulseA > A->m_fDamageImpulse)
+								A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
 
-						float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
-						float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
+							float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
+							float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
 
-						DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, imp, Max(turnSpeedDiff, moveSpeedDiff));
+							DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, impulseA, Max(turnSpeedDiff, moveSpeedDiff));
+						}
 					}
 				}else{
 					for(i = 0; i < numCollisions; i++){
@@ -1509,39 +1675,52 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 							continue;
 
 						numResponses++;
+						if(impulseA > maxImpulseA) maxImpulseA = impulseA;
+						float adhesion = CSurfaceTable::GetAdhesiveLimit(aColPoints[i]) / numCollisions;
 
-						if(impulseA > A->m_fDamageImpulse)
-							A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
-
-						float imp = impulseA;
-						if(A->IsVehicle() && A->GetUp().z < -0.6f &&
-						   Abs(A->m_vecMoveSpeed.x) < 0.05f &&
-						   Abs(A->m_vecMoveSpeed.y) < 0.05f)
-							imp *= 0.1f;
-
-						float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
-						float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
+						if(A->IsVehicle()){
+							if(((CVehicle*)A)->IsBoat() && aColPoints[i].surfaceB == SURFACE_WOOD_SOLID)
+								adhesion = 0.0f;
+							else if(impulseA > A->m_fDamageImpulse)
+								A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
 
-						DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, imp, Max(turnSpeedDiff, moveSpeedDiff));
+							if(CSurfaceTable::GetAdhesionGroup(aColPoints[i].surfaceB) == ADHESIVE_SAND)
+								aColPoints[i].surfaceB = SURFACE_SAND;
 
-						float adhesion = CSurfaceTable::GetAdhesiveLimit(aColPoints[i]) / numCollisions;
+							float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
+							float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
 
-						if(A->GetModelIndex() == MI_RCBANDIT)
-							adhesion *= 0.2f;
-// TODO(MIAMI): check this
-						else if(A->IsVehicle() && ((CVehicle*)A)->IsBoat()){
-							if(aColPoints[i].normal.z > 0.6f){
-								if(CSurfaceTable::GetAdhesionGroup(aColPoints[i].surfaceB) == ADHESIVE_LOOSE)
-									adhesion *= 3.0f;
-							}else
-								adhesion = 0.0f;
-						}else if(A->IsVehicle()){
-							if(A->GetStatus() == STATUS_WRECKED)
+							if(A->GetUp().z < -0.6f &&
+							   Abs(A->m_vecMoveSpeed.x) < 0.05f &&
+							   Abs(A->m_vecMoveSpeed.y) < 0.05f)
+								DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, 0.1f*impulseA, Max(turnSpeedDiff, moveSpeedDiff));
+							else
+								DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, impulseA, Max(turnSpeedDiff, moveSpeedDiff));
+
+
+							if(A->GetModelIndex() == MI_RCBANDIT)
+								adhesion *= 0.2f;
+							else if(((CVehicle*)A)->IsBoat()){
+								if(aColPoints[i].normal.z > 0.6f){
+									if(CSurfaceTable::GetAdhesionGroup(aColPoints[i].surfaceB) == ADHESIVE_LOOSE ||
+									   CSurfaceTable::GetAdhesionGroup(aColPoints[i].surfaceB) == ADHESIVE_SAND)
+										adhesion *= 3.0f;
+								}else
+									adhesion = 0.0f;
+							}else if(A->GetStatus() == STATUS_WRECKED)
 								adhesion *= 3.0f;
 							else if(A->GetUp().z > 0.3f)
 								adhesion = 0.0f;
 							else
 								adhesion *= Min(5.0f, 0.03f*impulseA + 1.0f);
+						}else{
+							if(impulseA > A->m_fDamageImpulse)
+								A->SetDamagedPieceRecord(aColPoints[i].pieceA, impulseA, B, aColPoints[i].normal);
+
+							float turnSpeedDiff = A->m_vecTurnSpeed.MagnitudeSqr();
+							float moveSpeedDiff = A->m_vecMoveSpeed.MagnitudeSqr();
+
+							DMAudio.ReportCollision(A, B, aColPoints[i].surfaceA, aColPoints[i].surfaceB, impulseA, Max(turnSpeedDiff, moveSpeedDiff));
 						}
 
 						if(A->ApplyFriction(adhesion, aColPoints[i]))
@@ -1560,7 +1739,13 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 						A->m_vecMoveFriction.y += moveSpeed.y * -0.3f / numCollisions;
 						A->m_vecTurnFriction += turnSpeed * -0.3f / numCollisions;
 					}
-					return true;
+
+					if(B->IsObject() && Bobj->m_nCollisionDamageEffect && maxImpulseA > 20.0f)
+						Bobj->ObjectDamage(maxImpulseA);
+
+					if(!CWorld::bSecondShift)
+						return true;
+					ret = true;
 				}
 			}else{
 
@@ -1691,18 +1876,34 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 				}
 
 				if(B->IsPed() && A->IsVehicle() &&
-				   (!Bped->IsPlayer() || B->bHasHitWall && A->m_vecMoveSpeed.MagnitudeSqr() > 0.0025f))
+				   (!Bped->IsPlayer() || B->bHasHitWall && A->m_vecMoveSpeed.MagnitudeSqr() > SQR(0.05f)))
 					Bped->KillPedWithCar((CVehicle*)A, maxImpulseB);
 				else if(B->GetModelIndex() == MI_TRAIN && A->IsPed() &&
 				  (!Aped->IsPlayer() || A->bHasHitWall))
 					Aped->KillPedWithCar((CVehicle*)B, maxImpulseA*2.0f);
 				else if(B->IsObject() && B->bUsesCollision && A->IsVehicle()){
+					// BUG? not impulseA?
 					if(Bobj->m_nCollisionDamageEffect && maxImpulseB > 20.0f)
 						Bobj->ObjectDamage(maxImpulseB);
+					else if(Bobj->m_nCollisionDamageEffect >= DAMAGE_EFFECT_SMASH_COMPLETELY){
+						CMatrix inv;
+						CVector size = CModelInfo::GetModelInfo(B->GetModelIndex())->GetColModel()->boundingBox.GetSize();
+						size = B->GetMatrix() * size;
+						if(size.z < B->GetPosition().z ||
+						   (Invert(A->GetMatrix(), inv) * size).z < 0.0f)
+							Bobj->ObjectDamage(50.0f);
+					}
 				}else if(A->IsObject() && A->bUsesCollision && B->IsVehicle()){
-					// BUG? not impulseA?
 					if(Aobj->m_nCollisionDamageEffect && maxImpulseB > 20.0f)
 						Aobj->ObjectDamage(maxImpulseB);
+					else if(Aobj->m_nCollisionDamageEffect >= DAMAGE_EFFECT_SMASH_COMPLETELY){
+						CMatrix inv;
+						CVector size = CModelInfo::GetModelInfo(A->GetModelIndex())->GetColModel()->boundingBox.GetSize();
+						size = A->GetMatrix() * size;
+						if(size.z < A->GetPosition().z ||
+						   (Invert(B->GetMatrix(), inv) * size).z < 0.0f)
+							Aobj->ObjectDamage(50.0f);
+					}
 				}
 
 				if(B->GetStatus() == STATUS_SIMPLE){
@@ -1711,13 +1912,15 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 						CCarCtrl::SwitchVehicleToRealPhysics((CVehicle*)B);
 				}
 
-				return true;
+				if(!CWorld::bSecondShift)
+					return true;
+				ret = true;
 			}
 			
 		}
 	}
 
-	return false;
+	return ret;
 }
 
 bool
@@ -1746,6 +1949,8 @@ CPhysical::CheckCollision_SimpleCar(void)
 	return false;
 }
 
+float PHYSICAL_SHIFT_SPEED_DAMP = 0.707f;
+
 void
 CPhysical::ProcessShift(void)
 {
@@ -1755,6 +1960,13 @@ CPhysical::ProcessShift(void)
 		bIsInSafePosition = true;
 		RemoveAndAdd();
 	}else{
+		CPhysical *surf;
+		if(bHasHitWall && IsPed() && (surf = ((CPed*)this)->m_pCurrentPhysSurface, surf == nil || !surf->bInfiniteMass || surf->m_phy_flagA08) ||
+		   CWorld::bSecondShift){
+			m_vecMoveSpeed *= Pow(PHYSICAL_SHIFT_SPEED_DAMP, CTimer::GetTimeStep());
+			m_vecTurnSpeed *= Pow(PHYSICAL_SHIFT_SPEED_DAMP, CTimer::GetTimeStep());
+		}
+
 		CMatrix matrix(GetMatrix());
 		ApplyMoveSpeed();
 		ApplyTurnSpeed();
@@ -1766,17 +1978,25 @@ CPhysical::ProcessShift(void)
 			m_bIsVehicleBeingShifted = true;
 
 		CEntryInfoNode *node;
-		bool hasshifted = false;	// whatever that means...
+		bool hasshifted = false;
 		for(node = m_entryInfoList.first; node; node = node->next)
 			hasshifted |= ProcessShiftSectorList(node->sector->m_lists);
 		m_bIsVehicleBeingShifted = false;
 		if(hasshifted){
 			CWorld::AdvanceCurrentScanCode();
+			bool hadCollision = false;
 			for(node = m_entryInfoList.first; node; node = node->next)
 				if(ProcessCollisionSectorList(node->sector->m_lists)){
-					GetMatrix() = matrix;
-					return;
+					if(!CWorld::bSecondShift){
+						GetMatrix() = matrix;
+						return;
+					}
+					hadCollision = true;
 				}
+			if(hadCollision){
+				GetMatrix() = matrix;
+				return;
+			}
 		}
 		bIsStuck = false;
 		bIsInSafePosition = true;
@@ -1788,6 +2008,9 @@ CPhysical::ProcessShift(void)
 // x is the number of units (m) we would like to step
 #define NUMSTEPS(x) ceil(Sqrt(distSq) * (1.0f/(x)))
 
+float HIGHSPEED_ELASTICITY_MULT_PED = 2.0f;
+float HIGHSPEED_ELASTICITY_MULT_COPCAR = 2.0f;
+
 void
 CPhysical::ProcessCollision(void)
 {
@@ -1819,31 +2042,78 @@ CPhysical::ProcessCollision(void)
 
 	// Save current state
 	CMatrix savedMatrix(GetMatrix());
+	float savedElasticity = m_fElasticity;
+	CVector savedMoveSpeed = m_vecMoveSpeed;
 	float savedTimeStep = CTimer::GetTimeStep();
 
 	int8 n = 1;	// The number of steps we divide the time step into
 	float step = 0.0f;	// divided time step
-	float distSq = GetDistanceSq();
+	float distSq = m_vecMoveSpeed.MagnitudeSqr() * sq(CTimer::GetTimeStep());
 
-	if(IsPed() && (distSq >= sq(0.2f) || ped->IsPlayer())){
-		if(ped->IsPlayer())
-			n = Max(NUMSTEPS(0.2f), 2.0f);
-		else
-			n = NUMSTEPS(0.3f);
+	if(IsPed() && (distSq >= sq(0.3f) || ped->IsPlayer())){
+		if(ped->IsPlayer()){
+			if(ped->m_pCurrentPhysSurface)
+				n = Max(NUMSTEPS(0.15f), 4.0f);
+			else
+				n = Max(NUMSTEPS(0.3f), 2.0f);
+		}else
+			n = NUMSTEPS(0.45f);
 		step = savedTimeStep / n;
+		if(!ped->IsPlayer())
+			ped->m_fElasticity *= HIGHSPEED_ELASTICITY_MULT_PED;
 	}else if(IsVehicle() && distSq >= sq(0.4f)){
 		if(GetStatus() == STATUS_PLAYER)
 			n = NUMSTEPS(0.2f);
 		else
 			n = distSq > 0.32f ? NUMSTEPS(0.3f) : NUMSTEPS(0.4f);
 		step = savedTimeStep / n;
-	}else if(IsObject()){
+
+		CVector bbox = GetColModel()->boundingBox.GetSize();
+		float relDistX = Abs(DotProduct(m_vecMoveSpeed, GetRight())) * CTimer::GetTimeStep() / bbox.x;
+		float relDistY = Abs(DotProduct(m_vecMoveSpeed, GetForward())) * CTimer::GetTimeStep() / bbox.y;
+		float relDistZ = Abs(DotProduct(m_vecMoveSpeed, GetUp())) * CTimer::GetTimeStep() / bbox.z;
+		if(Max(relDistX, Max(relDistY, relDistZ)) < 1.0f){
+			// check if we can get away with simplified processing
+
+			ApplyMoveSpeed();
+			ApplyTurnSpeed();
+			GetMatrix().Reorthogonalise();
+			bSkipLineCol = false;
+			m_bIsVehicleBeingShifted = false;
+
+			bJustCheckCollision = true;
+			bUsesCollision = false;
+			if(!CheckCollision()){
+				bJustCheckCollision = false;
+				bUsesCollision = true;
+				if(IsVehicle())
+					((CVehicle*)this)->bVehicleColProcessed = true;
+
+				bHitByTrain = false;
+				m_fDistanceTravelled = (GetPosition() - savedMatrix.GetPosition()).Magnitude();
+				bSkipLineCol = false;
+
+				bIsStuck = false;
+				bIsInSafePosition = true;
+				m_fElasticity = savedElasticity;
+				RemoveAndAdd();
+				return;
+			}
+			bJustCheckCollision = false;
+			bUsesCollision = true;
+			GetMatrix() = savedMatrix;
+			m_vecMoveSpeed = savedMoveSpeed;
+			if(IsVehicle() && ((CVehicle*)this)->bIsLawEnforcer)
+				m_fElasticity *= HIGHSPEED_ELASTICITY_MULT_COPCAR;
+		}
+	}else if(IsObject() && ((CObject*)this)->ObjectCreatedBy != TEMP_OBJECT){
 		int responsecase = ((CObject*)this)->m_nSpecialCollisionResponseCases;
 		if(responsecase == COLLRESPONSE_LAMPOST){
 			CVector speedUp = { 0.0f, 0.0f, 0.0f };
 			CVector speedDown = { 0.0f, 0.0f, 0.0f };
-			speedUp.z = GetBoundRadius();
-			speedDown.z = -speedUp.z;
+			CColModel *colModel = GetColModel();
+			speedUp.z = colModel->boundingBox.max.z;
+			speedDown.z = colModel->boundingBox.min.z;
 			speedUp = Multiply3x3(GetMatrix(), speedUp);
 			speedDown = Multiply3x3(GetMatrix(), speedDown);
 			speedUp = GetSpeed(speedUp);
@@ -1883,6 +2153,7 @@ CPhysical::ProcessCollision(void)
 				savedMatrix.GetPosition().z = GetPosition().z;
 			GetMatrix() = savedMatrix;
 			CTimer::SetTimeStep(savedTimeStep);
+			m_fElasticity = savedElasticity;
 			return;
 		}
 		if(IsPed() && m_vecMoveSpeed.z == 0.0f &&
@@ -1900,7 +2171,7 @@ CPhysical::ProcessCollision(void)
 				car->m_aSuspensionSpringRatio[2] = 1.0f;
 				car->m_aSuspensionSpringRatio[3] = 1.0f;
 			}else if(veh->m_vehType == VEHICLE_TYPE_BIKE){
-				assert(0 && "TODO - but unused");
+				assert(0 && "TODO(MIAMI)");
 			}
 		}
 	}
@@ -1913,11 +2184,14 @@ CPhysical::ProcessCollision(void)
 	if(!m_vecMoveSpeed.IsZero() ||
 	   !m_vecTurnSpeed.IsZero() ||
 	   bHitByTrain ||
-		GetStatus() == STATUS_PLAYER || IsPed() && ped->IsPlayer()){
+	   GetStatus() == STATUS_PLAYER ||
+	   IsVehicle() && ((CVehicle*)this)->bRestingOnPhysical ||
+	   IsPed() && ped->IsPlayer()){
 		if(IsVehicle())
 			((CVehicle*)this)->bVehicleColProcessed = true;
 		if(CheckCollision()){
 			GetMatrix() = savedMatrix;
+			m_fElasticity = savedElasticity;
 			return;
 		}
 	}
@@ -1927,5 +2201,6 @@ CPhysical::ProcessCollision(void)
 
 	bIsStuck = false;
 	bIsInSafePosition = true;
+	m_fElasticity = savedElasticity;
 	RemoveAndAdd();
 }
diff --git a/src/entities/Physical.h b/src/entities/Physical.h
index ce02e463..926b9762 100644
--- a/src/entities/Physical.h
+++ b/src/entities/Physical.h
@@ -18,8 +18,7 @@ public:
 	// The not properly indented fields haven't been checked properly yet
 
 	int32 m_audioEntityId;
-  float unk1;
-	CTreadable *m_treadable[2];	// car and ped
+	float m_phys_unused1;
 	uint32 m_nLastTimeCollided;
 	CVector m_vecMoveSpeed;		// velocity
 	CVector m_vecTurnSpeed;		// angular velocity
@@ -37,10 +36,9 @@ public:
 	CEntryInfoList m_entryInfoList;
 	CPtrNode *m_movingListNode;
 
-  char field_EC;
+	int8 m_phys_unused2;
 	uint8 m_nStaticFrames;
 	uint8 m_nCollisionRecords;
-	bool m_bIsVehicleBeingShifted;
 	CEntity *m_aCollisionRecords[PHYSICAL_MAX_COLLISIONRECORDS];
 
 	float m_fDistanceTravelled;
@@ -54,12 +52,17 @@ public:
 	uint8 bIsHeavy : 1;
 	uint8 bAffectedByGravity : 1;
 	uint8 bInfiniteMass : 1;
+	uint8 m_phy_flagA08 : 1;
 	uint8 bIsInWater : 1;
-	uint8 m_phy_flagA10 : 1; // unused
 	uint8 m_phy_flagA20 : 1; // unused
 	uint8 bHitByTrain : 1;
 	uint8 bSkipLineCol : 1;
 
+	uint8 bIsFrozen : 1;
+	uint8 bDontLoadCollision : 1;
+	uint8 m_bIsVehicleBeingShifted : 1;	// wrong name - also used on but never set for peds
+	uint8 bJustCheckCollision : 1;	// just see if there is a collision
+
 	uint8 m_nSurfaceTouched;
 	int8 m_nZoneLevel;
 
@@ -86,7 +89,6 @@ public:
 	void RemoveRefsToEntity(CEntity *ent);
 	static void PlacePhysicalRelativeToOtherPhysical(CPhysical *other, CPhysical *phys, CVector localPos);
 
-	float GetDistanceSq(void) { return m_vecMoveSpeed.MagnitudeSqr() * sq(CTimer::GetTimeStep()); }
 	// get speed of point p relative to entity center
 	CVector GetSpeed(const CVector &r);
 	CVector GetSpeed(void) { return GetSpeed(CVector(0.0f, 0.0f, 0.0f)); }
@@ -94,7 +96,7 @@ public:
 		return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/m_fTurnMass +
 		               1.0f/m_fMass);
 	}
-	float GetMassTime(const CVector &pos, const CVector &dir, float t) {
+	float GetMassTweak(const CVector &pos, const CVector &dir, float t) {
 		return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/(m_fTurnMass*t) +
 		               1.0f/(m_fMass*t));
 	}
@@ -156,11 +158,13 @@ public:
 	void ApplyFrictionTurnForce(const CVector &j, const CVector &p) { ApplyFrictionTurnForce(j.x, j.y, j.z, p.x, p.y, p.z); }
 	// springRatio: 1.0 fully extended, 0.0 fully compressed
 	bool ApplySpringCollision(float springConst, CVector &springDir, CVector &point, float springRatio, float bias);
+	bool ApplySpringCollisionAlt(float springConst, CVector &springDir, CVector &point, float springRatio, float bias, CVector &forceDir);
 	bool ApplySpringDampening(float damping, CVector &springDir, CVector &point, CVector &speed);
 	void ApplyGravity(void);
 	void ApplyFriction(void);
 	void ApplyAirResistance(void);
 	bool ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, float &impulseB);
+	bool ApplyCollision(CColPoint &colpoint, float &impulse);
 	bool ApplyCollisionAlt(CEntity *B, CColPoint &colpoint, float &impulse, CVector &moveSpeed, CVector &turnSpeed);
 	bool ApplyFriction(CPhysical *B, float adhesiveLimit, CColPoint &colpoint);
 	bool ApplyFriction(float adhesiveLimit, CColPoint &colpoint);