1 files changed, 489 insertions, 0 deletions

diff --git a/src/vehicles/Vehicle.cpp b/src/vehicles/Vehicle.cpp
new file mode 100644
index 00000000..dccd9195
--- /dev/null
+++ b/src/vehicles/Vehicle.cpp
@@ -0,0 +1,489 @@
+#include "common.h"
+#include "main.h"
+#include "patcher.h"
+#include "Timer.h"
+#include "Vehicle.h"
+#include "Pools.h"
+#include "HandlingMgr.h"
+#include "CarCtrl.h"
+#include "Population.h"
+#include "ModelIndices.h"
+#include "World.h"
+#include "Lights.h"
+#include "PointLights.h"
+#include "Renderer.h"
+#include "DMAudio.h"
+#include "Radar.h"
+
+bool &CVehicle::bWheelsOnlyCheat = *(bool *)0x95CD78;
+bool &CVehicle::bAllDodosCheat = *(bool *)0x95CD75;
+bool &CVehicle::bCheat3 = *(bool *)0x95CD66;
+bool &CVehicle::bCheat4 = *(bool *)0x95CD65;
+bool &CVehicle::bCheat5 = *(bool *)0x95CD64;
+bool &CVehicle::m_bDisableMouseSteering = *(bool *)0x60252C;
+
+void *CVehicle::operator new(size_t sz) { return CPools::GetVehiclePool()->New();  }
+void *CVehicle::operator new(size_t sz, int handle) { return CPools::GetVehiclePool()->New(handle); }
+void CVehicle::operator delete(void *p, size_t sz) { CPools::GetVehiclePool()->Delete((CVehicle*)p); }
+void CVehicle::operator delete(void *p, int handle) { CPools::GetVehiclePool()->Delete((CVehicle*)p); }
+
+CVehicle::~CVehicle()
+{
+	m_nAlarmState = 0;
+	if (m_audioEntityId >= 0){
+		DMAudio.DestroyEntity(m_audioEntityId);
+		m_audioEntityId = -5;
+	}
+	CRadar::ClearBlipForEntity(BLIP_CAR, CPools::GetVehiclePool()->GetIndex(this));
+	if (pDriver)
+		pDriver->FlagToDestroyWhenNextProcessed();
+	for (int i = 0; i < m_nNumMaxPassengers; i++){
+		if (pPassengers[i])
+			pPassengers[i]->FlagToDestroyWhenNextProcessed();
+	}
+	if (m_pCarFire)
+		m_pCarFire->Extinguish();
+	CCarCtrl::UpdateCarCount(this, true);
+	if (bIsAmbulanceOnDuty){
+		CCarCtrl::NumAmbulancesOnDuty--;
+		bIsAmbulanceOnDuty = false;
+	}
+	if (bIsFireTruckOnDuty){
+		CCarCtrl::NumFiretrucksOnDuty--;
+		bIsFireTruckOnDuty = false;
+	}
+}
+
+void
+CVehicle::SetModelIndex(uint32 id)
+{
+	CEntity::SetModelIndex(id);
+	m_aExtras[0] = CVehicleModelInfo::ms_compsUsed[0];
+	m_aExtras[1] = CVehicleModelInfo::ms_compsUsed[1];
+	m_nNumMaxPassengers = CVehicleModelInfo::GetMaximumNumberOfPassengersFromNumberOfDoors(id);
+}
+
+bool
+CVehicle::SetupLighting(void)
+{
+	ActivateDirectional();
+	SetAmbientColoursForPedsCarsAndObjects();
+
+	if(bRenderScorched){
+		WorldReplaceNormalLightsWithScorched(Scene.world, 0.1f);
+	}else{
+		CVector coors = GetPosition();
+		float lighting = CPointLights::GenerateLightsAffectingObject(&coors);
+		if(!bHasBlip && lighting != 1.0f){
+			SetAmbientAndDirectionalColours(lighting);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void
+CVehicle::RemoveLighting(bool reset)
+{
+	CRenderer::RemoveVehiclePedLights(this, reset);
+}
+
+float
+CVehicle::GetHeightAboveRoad(void)
+{
+	return -1.0f * CModelInfo::GetModelInfo(GetModelIndex())->GetColModel()->boundingBox.min.z;
+}
+
+
+bool
+CVehicle::IsLawEnforcementVehicle(void)
+{
+	switch(GetModelIndex()){
+	case MI_FBICAR:
+	case MI_POLICE:
+	case MI_ENFORCER:
+	case MI_PREDATOR:
+	case MI_RHINO:
+	case MI_BARRACKS:
+		return true;
+	default:
+		return false;
+	}
+}
+
+bool
+CVehicle::UsesSiren(uint32 id)
+{
+	switch(id){
+	case MI_FIRETRUCK:
+	case MI_AMBULAN:
+	case MI_FBICAR:
+	case MI_MRWHOOP:
+	case MI_POLICE:
+	case MI_ENFORCER:
+	case MI_PREDATOR:
+		return true;
+	default:
+		return false;
+	}
+}
+
+bool
+CVehicle::IsVehicleNormal(void)
+{
+	if(pDriver && m_nNumPassengers == 0 && m_status != STATUS_WRECKED){
+		switch(GetModelIndex())
+		case MI_FIRETRUCK:
+		case MI_AMBULAN:
+		case MI_TAXI:
+		case MI_POLICE:
+		case MI_ENFORCER:
+		case MI_BUS:
+		case MI_RHINO:
+		case MI_BARRACKS:
+		case MI_DODO:
+		case MI_COACH:
+		case MI_CABBIE:
+		case MI_RCBANDIT:
+		case MI_BORGNINE:
+			return false;
+	}
+	return false;
+}
+
+bool
+CVehicle::CarHasRoof(void)
+{
+	if((m_handling->Flags & HANDLING_HAS_NO_ROOF) == 0)
+		return true;
+	if(m_aExtras[0] && m_aExtras[1])
+		return false;
+	return true;
+}
+
+bool
+CVehicle::IsUpsideDown(void)
+{
+	if(GetUp().z > -0.9f)
+		return false;
+	return true;
+}
+
+bool
+CVehicle::IsOnItsSide(void)
+{
+	if(GetRight().z < 0.8f && GetRight().z > -0.8f)
+		return false;
+	return true;
+}
+
+bool
+CVehicle::CanBeDeleted(void)
+{
+	int i;
+
+	if(m_nNumGettingIn || m_nGettingOutFlags)
+		return false;
+
+	if(pDriver){
+		// This looks like it was inlined
+		if(pDriver->CharCreatedBy == MISSION_CHAR)
+			return false;
+		if(pDriver->GetPedState() != PED_DRIVING &&
+		   pDriver->GetPedState() != PED_DEAD)
+			return false;
+	}
+
+	for(i = 0; i < 8; i++){
+		// Same check as above
+		if(pPassengers[i]){
+			if(pPassengers[i]->CharCreatedBy == MISSION_CHAR)
+				return false;
+			if(pPassengers[i]->GetPedState() != PED_DRIVING &&
+			   pPassengers[i]->GetPedState() != PED_DEAD)
+				return false;
+		}
+		// and then again... probably because something was inlined
+		if(pPassengers[i]){
+			if(pPassengers[i]->GetPedState() != PED_DRIVING &&
+			   pPassengers[i]->GetPedState() != PED_DEAD)
+				return false;
+		}
+	}
+
+	switch(VehicleCreatedBy){
+	case RANDOM_VEHICLE: return true;
+	case MISSION_VEHICLE: return false;
+	case PARKED_VEHICLE: return true;
+	case PERMANENT_VEHICLE: return false;
+	}
+	return true;
+}
+
+bool
+CVehicle::CanPedOpenLocks(CPed *ped)
+{
+	if(m_nDoorLock == CARLOCK_LOCKED ||
+	   m_nDoorLock == CARLOCK_COP_CAR ||
+	   m_nDoorLock == CARLOCK_LOCKED_PLAYER_INSIDE)
+		return false;
+	if(ped->IsPlayer() && m_nDoorLock == CARLOCK_LOCKOUT_PLAYER_ONLY)
+		return false;
+	return true;
+}
+
+bool
+CVehicle::CanPedEnterCar(void)
+{
+	CVector up = GetUp();
+	// can't enter when car is on side
+	if(up.z > 0.1f || up.z < -0.1f){
+		// also when car is moving too fast
+		if(m_vecMoveSpeed.MagnitudeSqr() > sq(0.2f))
+			return false;
+		if(m_vecTurnSpeed.MagnitudeSqr() > sq(0.2f))
+			return false;
+		return true;
+	}
+	return false;
+}
+
+bool
+CVehicle::CanPedExitCar(void)
+{
+	CVector up = GetUp();
+	if(up.z > 0.1f || up.z < -0.1f){
+		// can't exit when car is moving too fast
+		if(m_vecMoveSpeed.MagnitudeSqr() > 0.005f)
+			return false;
+		// if car is slow enough, check turn speed
+		if(fabs(m_vecTurnSpeed.x) > 0.01f ||
+		   fabs(m_vecTurnSpeed.y) > 0.01f ||
+		   fabs(m_vecTurnSpeed.z) > 0.01f)
+			return false;
+		return true;
+	}else{
+		// What is this? just > replaced by >= ??
+
+		// can't exit when car is moving too fast
+		if(m_vecMoveSpeed.MagnitudeSqr() >= 0.005f)
+			return false;
+		// if car is slow enough, check turn speed
+		if(fabs(m_vecTurnSpeed.x) >= 0.01f ||
+		   fabs(m_vecTurnSpeed.y) >= 0.01f ||
+		   fabs(m_vecTurnSpeed.z) >= 0.01f)
+			return false;
+		return true;
+	}
+}
+
+void
+CVehicle::ChangeLawEnforcerState(uint8 enable)
+{
+	if (enable) {
+		if (!bIsLawEnforcer) {
+			bIsLawEnforcer = true;
+			CCarCtrl::NumLawEnforcerCars++;
+		}
+	} else {
+		if (bIsLawEnforcer) {
+			bIsLawEnforcer = false;
+			CCarCtrl::NumLawEnforcerCars--;
+		}
+	}
+}
+
+CPed*
+CVehicle::SetUpDriver(void)
+{
+	if(pDriver)
+		return pDriver;
+	if(VehicleCreatedBy != RANDOM_VEHICLE)
+		return nil;
+
+	pDriver = CPopulation::AddPedInCar(this);
+	pDriver->m_pMyVehicle = this;
+	pDriver->m_pMyVehicle->RegisterReference((CEntity**)&pDriver->m_pMyVehicle);
+	pDriver->bInVehicle = true;
+	pDriver->SetPedState(PED_DRIVING);
+	if(bIsBus)
+		pDriver->m_ped_flagC4 = false;
+	return pDriver;
+}
+
+CPed*
+CVehicle::SetupPassenger(int n)
+{
+	if(pPassengers[n])
+		return pPassengers[n];
+
+	pPassengers[n] = CPopulation::AddPedInCar(this);
+	pPassengers[n]->m_pMyVehicle = this;
+	pPassengers[n]->m_pMyVehicle->RegisterReference((CEntity**)&pPassengers[n]->m_pMyVehicle);
+	pPassengers[n]->bInVehicle = true;
+	pPassengers[n]->SetPedState(PED_DRIVING);
+	if(bIsBus)
+		pPassengers[n]->m_ped_flagC4 = false;
+	return pPassengers[n];
+}
+
+void
+CVehicle::SetDriver(CPed *driver)
+{
+	pDriver = driver;
+	pDriver->RegisterReference((CEntity**)&pDriver);
+
+	if(bFreebies && driver == FindPlayerPed()){
+		if(GetModelIndex() == MI_AMBULAN)
+			FindPlayerPed()->m_fHealth = min(FindPlayerPed()->m_fHealth + 20.0f, 100.0f);
+		else if(GetModelIndex() == MI_TAXI)
+			CWorld::Players[CWorld::PlayerInFocus].m_nMoney += 25;
+		else if(GetModelIndex() == MI_POLICE)
+			driver->GiveWeapon(WEAPONTYPE_SHOTGUN, 5);
+		else if(GetModelIndex() == MI_ENFORCER)
+			driver->m_fArmour = max(driver->m_fArmour, 100.0f);
+		else if(GetModelIndex() == MI_CABBIE || GetModelIndex() == MI_BORGNINE)
+			CWorld::Players[CWorld::PlayerInFocus].m_nMoney += 25;
+		bFreebies = false;
+	}
+
+	ApplyTurnForce(0.0f, 0.0f, -0.2f*driver->m_fMass,
+		driver->GetPosition().x - GetPosition().x,
+		driver->GetPosition().y - GetPosition().y,
+		0.0f);
+}
+
+bool
+CVehicle::AddPassenger(CPed *passenger)
+{
+	int i;
+
+	ApplyTurnForce(0.0f, 0.0f, -0.2f*passenger->m_fMass,
+		passenger->GetPosition().x - GetPosition().x,
+		passenger->GetPosition().y - GetPosition().y,
+		0.0f);
+
+	for(i = 0; i < m_nNumMaxPassengers; i++)
+		if(pPassengers[i] == nil){
+			pPassengers[i] = passenger;
+			m_nNumPassengers++;
+			return true;
+		}
+	return false;
+}
+
+bool
+CVehicle::AddPassenger(CPed *passenger, uint8 n)
+{
+	if(bIsBus)
+		return AddPassenger(passenger);
+
+	ApplyTurnForce(0.0f, 0.0f, -0.2f*passenger->m_fMass,
+		passenger->GetPosition().x - GetPosition().x,
+		passenger->GetPosition().y - GetPosition().y,
+		0.0f);
+
+	if(n < m_nNumMaxPassengers && pPassengers[n] == nil){
+		pPassengers[n] = passenger;
+		m_nNumPassengers++;
+		return true;
+	}
+	return false;
+}
+
+void
+CVehicle::RemoveDriver(void)
+{
+	m_status = STATUS_ABANDONED;
+	pDriver = nil;
+}
+
+void
+CVehicle::RemovePassenger(CPed *p)
+{
+	if (IsTrain()){
+		for (int i = 0; i < 8; i++){
+			if (pPassengers[i] == p) {
+				pPassengers[i] = nil;
+				m_nNumPassengers--;
+				return;
+			}
+		}
+		return;
+	}
+	for (int i = 0; i < m_nNumMaxPassengers; i++){
+		if (pPassengers[i] == p){
+			pPassengers[i] = nil;
+			m_nNumPassengers--;
+			return;
+		}
+	}
+}
+
+void
+CVehicle::ProcessCarAlarm(void)
+{
+	uint32 step;
+
+	if(m_nAlarmState == 0 || m_nAlarmState == -1)
+		return;
+
+	step = CTimer::GetTimeStepInMilliseconds();
+	if((uint16)m_nAlarmState < step)
+		m_nAlarmState = 0;
+	else
+		m_nAlarmState -= step;
+}
+
+bool
+CVehicle::IsSphereTouchingVehicle(float sx, float sy, float sz, float radius)
+{
+	float x, y, z;
+	// sphere relative to vehicle
+	CVector sph = CVector(sx, sy, sz) - GetPosition();
+	CColModel *colmodel = CModelInfo::GetModelInfo(GetModelIndex())->GetColModel();
+
+	x = DotProduct(sph, GetRight());
+	if(colmodel->boundingBox.min.x - radius > x ||
+	   colmodel->boundingBox.max.x + radius < x)
+		return false;
+	y = DotProduct(sph, GetForward());
+	if(colmodel->boundingBox.min.y - radius > y ||
+	   colmodel->boundingBox.max.y + radius < y)
+		return false;
+	z = DotProduct(sph, GetUp());
+	if(colmodel->boundingBox.min.z - radius > z ||
+	   colmodel->boundingBox.max.z + radius < z)
+		return false;
+
+	return true;
+}
+
+STARTPATCHES
+	InjectHook(0x551170, &CVehicle::SetModelIndex_, PATCH_JUMP);
+	InjectHook(0x4A7DD0, &CVehicle::SetupLighting_, PATCH_JUMP);
+	InjectHook(0x4A7E60, &CVehicle::RemoveLighting_, PATCH_JUMP);
+	InjectHook(0x417E60, &CVehicle::GetHeightAboveRoad_, PATCH_JUMP);
+
+	InjectHook(0x552880, &CVehicle::IsLawEnforcementVehicle, PATCH_JUMP);
+	InjectHook(0x552820, &CVehicle::ChangeLawEnforcerState, PATCH_JUMP);
+	InjectHook(0x552200, &CVehicle::UsesSiren, PATCH_JUMP);
+	InjectHook(0x5527E0, &CVehicle::IsVehicleNormal, PATCH_JUMP);
+	InjectHook(0x552B70, &CVehicle::CarHasRoof, PATCH_JUMP);
+	InjectHook(0x552230, &CVehicle::IsUpsideDown, PATCH_JUMP);
+	InjectHook(0x552260, &CVehicle::IsOnItsSide, PATCH_JUMP);
+	InjectHook(0x5511B0, &CVehicle::CanBeDeleted, PATCH_JUMP);
+	InjectHook(0x5522A0, &CVehicle::CanPedOpenLocks, PATCH_JUMP);
+	InjectHook(0x5522F0, &CVehicle::CanPedEnterCar, PATCH_JUMP);
+	InjectHook(0x5523C0, &CVehicle::CanPedExitCar, PATCH_JUMP);
+	InjectHook(0x5520C0, &CVehicle::SetUpDriver, PATCH_JUMP);
+	InjectHook(0x552160, &CVehicle::SetupPassenger, PATCH_JUMP);
+	InjectHook(0x551F20, &CVehicle::SetDriver, PATCH_JUMP);
+	InjectHook(0x551D90, (bool (CVehicle::*)(CPed*))&CVehicle::AddPassenger, PATCH_JUMP);
+	InjectHook(0x551E10, (bool (CVehicle::*)(CPed*,uint8))&CVehicle::AddPassenger, PATCH_JUMP);
+	InjectHook(0x5520A0, &CVehicle::RemoveDriver, PATCH_JUMP);
+	InjectHook(0x551EB0, &CVehicle::RemovePassenger, PATCH_JUMP);
+	InjectHook(0x5525A0, &CVehicle::ProcessCarAlarm, PATCH_JUMP);
+	InjectHook(0x552620, &CVehicle::IsSphereTouchingVehicle, PATCH_JUMP);
+ENDPATCHES