re3/src/peds/Population.cpp

#include "common.h"
#include "patcher.h"
#include "Game.h"
#include "General.h"
#include "World.h"
#include "Population.h"
#include "FileMgr.h"
#include "Gangs.h"
#include "ModelIndices.h"
#include "Zones.h"
#include "CivilianPed.h"
#include "EmergencyPed.h"
#include "Replay.h"
#include "CutsceneMgr.h"
#include "CarCtrl.h"
#include "IniFile.h"
#include "VisibilityPlugins.h"
#include "PedPlacement.h"
#include "DummyObject.h"
#include "Script.h"
#include "Shadows.h"

#define MIN_CREATION_DIST		40.0f // not for start of the game (look at the GeneratePedsAtStartOfGame)
#define CREATION_RANGE			10.0f // added over the MIN_CREATION_DIST.
#define OFFSCREEN_CREATION_MULT	0.5f
#define PED_REMOVE_DIST			(MIN_CREATION_DIST + CREATION_RANGE + 1.0f)
#define PED_REMOVE_DIST_SPECIAL	(MIN_CREATION_DIST + CREATION_RANGE + 15.0f) // for peds with bCullExtraFarAway flag

// TO-DO: These are hard-coded, reverse them.
// More clearly they're transition areas between zones.
RegenerationPoint (&aSafeZones)[8] = *(RegenerationPoint(*)[8]) * (uintptr*)0x5FA578;

PedGroup (&CPopulation::ms_pPedGroups)[NUMPEDGROUPS] = *(PedGroup(*)[NUMPEDGROUPS]) * (uintptr*)0x6E9248;
bool &CPopulation::ms_bGivePedsWeapons = *(bool*)0x95CCF6;
int32 &CPopulation::m_AllRandomPedsThisType = *(int32*)0x5FA570;
float &CPopulation::PedDensityMultiplier = *(float*)0x5FA56C;
uint32 &CPopulation::ms_nTotalMissionPeds = *(uint32*)0x8F5F70;
int32 &CPopulation::MaxNumberOfPedsInUse = *(int32*)0x5FA574;
uint32& CPopulation::ms_nNumCivMale = *(uint32*)0x8F2548;
uint32& CPopulation::ms_nNumCivFemale = *(uint32*)0x8F5F44;
uint32& CPopulation::ms_nNumCop = *(uint32*)0x885AFC;
bool& CPopulation::bZoneChangeHasHappened = *(bool*)0x95CD79;
uint32& CPopulation::ms_nNumEmergency = *(uint32*)0x94071C;
int8& CPopulation::m_CountDownToPedsAtStart = *(int8*)0x95CD4F;
uint32& CPopulation::ms_nNumGang1 = *(uint32*)0x8F1B1C;
uint32& CPopulation::ms_nNumGang2 = *(uint32*)0x8F1B14;
uint32& CPopulation::ms_nTotalPeds = *(uint32*)0x95CB50;
uint32& CPopulation::ms_nNumGang3 = *(uint32*)0x8F2548;
uint32& CPopulation::ms_nTotalGangPeds = *(uint32*)0x885AF0;
uint32& CPopulation::ms_nNumGang4 = *(uint32*)0x8F1B2C;
uint32& CPopulation::ms_nTotalCivPeds = *(uint32*)0x8F2C3C;
uint32& CPopulation::ms_nNumGang5 = *(uint32*)0x8F1B30;
uint32& CPopulation::ms_nNumDummy = *(uint32*)0x8F1A98;
uint32& CPopulation::ms_nNumGang6 = *(uint32*)0x8F1B20;
uint32& CPopulation::ms_nNumGang9 = *(uint32*)0x8F1B10;
uint32& CPopulation::ms_nNumGang7 = *(uint32*)0x8F1B28;
uint32& CPopulation::ms_nNumGang8 = *(uint32*)0x8F1B0C;
CVector &CPopulation::RegenerationPoint_a = *(CVector*)0x8E2AA4;
CVector &CPopulation::RegenerationPoint_b = *(CVector*)0x8E2A98;
CVector &CPopulation::RegenerationForward = *(CVector*)0x8F1AD4;

void
CPopulation::Initialise()
{
	debug("Initialising CPopulation...\n");

	ms_nNumCivMale = 0;
	ms_nNumCivFemale = 0;
	ms_nNumCop = 0;
	ms_nNumEmergency = 0;
	ms_nNumGang1 = 0;
	ms_nNumGang2 = 0;
	ms_nNumGang3 = 0;
	ms_nNumGang4 = 0;
	ms_nNumGang5 = 0;
	ms_nNumGang6 = 0;
	ms_nNumGang7 = 0;
	ms_nNumGang8 = 0;
	ms_nNumGang9 = 0;
	ms_nNumDummy = 0;

	m_AllRandomPedsThisType = -1;
	PedDensityMultiplier = 1.0;
	bZoneChangeHasHappened = false;
	m_CountDownToPedsAtStart = 2;
	
	ms_nTotalMissionPeds = 0;
	ms_nTotalPeds = 0;
	ms_nTotalGangPeds = 0;
	ms_nTotalCivPeds = 0;

	LoadPedGroups();
	DealWithZoneChange(LEVEL_COMMERCIAL, LEVEL_INDUSTRIAL, true);

	debug("CPopulation ready\n");
}

void
CPopulation::RemovePed(CPed *ent)
{
	// CPed dtor already does that
	// CWorld::Remove((CEntity*)ent);
	delete ent;
}

int32
CPopulation::ChooseCivilianOccupation(int32 group)
{
	return ms_pPedGroups[group].models[CGeneral::GetRandomNumberInRange(0, NUMMODELSPERPEDGROUP)];
}

eCopType
CPopulation::ChoosePolicePedOccupation()
{
	CGeneral::GetRandomNumber();
	return COP_STREET;
}

void
CPopulation::LoadPedGroups()
{
	int fd;
	char line[1024];
	int nextPedGroup = 0;
	// char unused[16]; // non-existence of that in mobile kinda verifies that
	char modelName[256];

	CFileMgr::ChangeDir("\\DATA\\");
	fd = CFileMgr::OpenFile("PEDGRP.DAT", "r");
	CFileMgr::ChangeDir("\\");
	while (CFileMgr::ReadLine(fd, line, sizeof(line))) {
		int end;
		// find end of line
		for (end = 0; ; end++) {
			if (line[end] == '\n')
				break;
			if (line[end] == ',' || line[end] == '\r')
				line[end] = ' ';
		}
		line[end] = '\0';
		int cursor = 0;
		int i;
		for (i = 0; i < NUMMODELSPERPEDGROUP; i++) {
			while (line[cursor] <= ' ' && line[cursor] != '\0')
				++cursor;

			if (line[cursor] == '#')
				break;

			// find next whitespace
			int nextWhitespace;
			for (nextWhitespace = cursor; line[nextWhitespace] > ' '; ++nextWhitespace)
				;

			if (cursor == nextWhitespace)
				break;
			
			// read until next whitespace
			strncpy(modelName, &line[cursor], nextWhitespace - cursor);
			modelName[nextWhitespace - cursor] = '\0';
			CModelInfo::GetModelInfo(modelName, &ms_pPedGroups[nextPedGroup].models[i]);
			cursor = nextWhitespace;
		}
		if (i == NUMMODELSPERPEDGROUP)
			nextPedGroup++;
	}
	CFileMgr::CloseFile(fd);
}

void
CPopulation::UpdatePedCount(ePedType pedType, bool decrease)
{
	if (decrease) {
		switch (pedType) {
			case PEDTYPE_PLAYER1:
			case PEDTYPE_PLAYER2:
			case PEDTYPE_PLAYER3:
			case PEDTYPE_PLAYER4:
			case PEDTYPE_UNUSED1:
			case PEDTYPE_SPECIAL:
				return;
			case PEDTYPE_CIVMALE:
				--ms_nNumCivMale;
				break;
			case PEDTYPE_CIVFEMALE:
				--ms_nNumCivFemale;
				break;
			case PEDTYPE_COP:
				--ms_nNumCop;
				break;
			case PEDTYPE_GANG1:
				--ms_nNumGang1;
				break;
			case PEDTYPE_GANG2:
				--ms_nNumGang2;
				break;
			case PEDTYPE_GANG3:
				--ms_nNumGang3;
				break;
			case PEDTYPE_GANG4:
				--ms_nNumGang4;
				break;
			case PEDTYPE_GANG5:
				--ms_nNumGang5;
				break;
			case PEDTYPE_GANG6:
				--ms_nNumGang6;
				break;
			case PEDTYPE_GANG7:
				--ms_nNumGang7;
				break;
			case PEDTYPE_GANG8:
				--ms_nNumGang8;
				break;
			case PEDTYPE_GANG9:
				--ms_nNumGang9;
				break;
			case PEDTYPE_EMERGENCY:
			case PEDTYPE_FIREMAN:
				--ms_nNumEmergency;
				break;
			case PEDTYPE_CRIMINAL:
				--ms_nNumCivMale;
				break;
			case PEDTYPE_PROSTITUTE:
				--ms_nNumCivFemale;
				break;
			case PEDTYPE_UNUSED2:
				--ms_nNumDummy;
				break;
			default:
				Error("Unknown ped type, UpdatePedCount, Population.cpp");
				break;
		}
	} else {
		switch (pedType) {
			case PEDTYPE_PLAYER1:
			case PEDTYPE_PLAYER2:
			case PEDTYPE_PLAYER3:
			case PEDTYPE_PLAYER4:
			case PEDTYPE_UNUSED1:
			case PEDTYPE_SPECIAL:
				return;
			case PEDTYPE_CIVMALE:
				++ms_nNumCivMale;
				break;
			case PEDTYPE_CIVFEMALE:
				++ms_nNumCivFemale;
				break;
			case PEDTYPE_COP:
				++ms_nNumCop;
				break;
			case PEDTYPE_GANG1:
				++ms_nNumGang1;
				break;
			case PEDTYPE_GANG2:
				++ms_nNumGang2;
				break;
			case PEDTYPE_GANG3:
				++ms_nNumGang3;
				break;
			case PEDTYPE_GANG4:
				++ms_nNumGang4;
				break;
			case PEDTYPE_GANG5:
				++ms_nNumGang5;
				break;
			case PEDTYPE_GANG6:
				++ms_nNumGang6;
				break;
			case PEDTYPE_GANG7:
				++ms_nNumGang7;
				break;
			case PEDTYPE_GANG8:
				++ms_nNumGang8;
				break;
			case PEDTYPE_GANG9:
				++ms_nNumGang9;
				break;
			case PEDTYPE_EMERGENCY:
			case PEDTYPE_FIREMAN:
				++ms_nNumEmergency;
				break;
			case PEDTYPE_CRIMINAL:
				++ms_nNumCivMale;
				break;
			case PEDTYPE_PROSTITUTE:
				++ms_nNumCivFemale;
				break;
			case PEDTYPE_UNUSED2:
				++ms_nNumDummy;
				break;
			default:
				Error("Unknown ped type, UpdatePedCount, Population.cpp");
				break;
		}
	}
}

int
CPopulation::ChooseGangOccupation(int gangId)
{
	int8 modelOverride = CGangs::GetGangPedModelOverride(gangId);

	// All gangs have 2 models
	int firstGangModel = 2 * gangId + MI_GANG01;

	// GetRandomNumberInRange never returns max. value
	if (modelOverride == -1)
		return CGeneral::GetRandomNumberInRange(firstGangModel, firstGangModel + 2);

	if (modelOverride != 0)
		return firstGangModel + 1;
	else
		return firstGangModel;
}

void
CPopulation::DealWithZoneChange(eLevelName oldLevel, eLevelName newLevel, bool forceIndustrialZone)
{
	bZoneChangeHasHappened = true;

	CVector findSafeZoneAround;
	int safeZone;

	if (forceIndustrialZone) {
		// Commercial to industrial transition area on Callahan Bridge
		findSafeZoneAround.x = 690.0f;
		findSafeZoneAround.y = -920.0f;
		findSafeZoneAround.z = 42.0f;
	} else {
		findSafeZoneAround = FindPlayerCoors();
	}
	eLevelName level;
	FindCollisionZoneForCoors(&findSafeZoneAround, &safeZone, &level);

	// We aren't in a "safe zone", find closest one
	if (safeZone < 0)
		FindClosestZoneForCoors(&findSafeZoneAround, &safeZone, oldLevel, newLevel);

	// No, there should be one!
	if (safeZone < 0) {
		if (newLevel == LEVEL_INDUSTRIAL) {
			safeZone = 0;
		} else if (newLevel == LEVEL_SUBURBAN) {
			safeZone = 4;
		}
	}

	if (aSafeZones[safeZone].srcLevel == newLevel) {
		CPopulation::RegenerationPoint_a = aSafeZones[safeZone].srcPosA;
		CPopulation::RegenerationPoint_b = aSafeZones[safeZone].srcPosB;
		CPopulation::RegenerationForward = aSafeZones[safeZone].destPosA - aSafeZones[safeZone].srcPosA;
		RegenerationForward.Normalise();
	} else if (aSafeZones[safeZone].destLevel == newLevel) {
		CPopulation::RegenerationPoint_a = aSafeZones[safeZone].destPosA;
		CPopulation::RegenerationPoint_b = aSafeZones[safeZone].destPosB;
		CPopulation::RegenerationForward = aSafeZones[safeZone].srcPosA - aSafeZones[safeZone].destPosA;
		RegenerationForward.Normalise();
	}
}

void
CPopulation::FindCollisionZoneForCoors(CVector *coors, int *safeZoneOut, eLevelName *levelOut)
{
	*safeZoneOut = -1;
	for (int i = 0; i < ARRAY_SIZE(aSafeZones); i++) {
		if (coors->x > aSafeZones[i].x1 && coors->x < aSafeZones[i].x2) {
			if (coors->y > aSafeZones[i].y1 && coors->y < aSafeZones[i].y2) {
				if (coors->z > aSafeZones[i].z1 && coors->z < aSafeZones[i].z2)
					*safeZoneOut = i;
			}
		}
	}
	// Then it's transition area
	if (*safeZoneOut >= 0)
		*levelOut = LEVEL_NONE;
	else
		*levelOut = CTheZones::GetLevelFromPosition(*coors);
}

void
CPopulation::FindClosestZoneForCoors(CVector *coors, int *safeZoneOut, eLevelName level1, eLevelName level2)
{
	float minDist = 10000000.0f;
	int closestSafeZone = -1;
	for (int i = 0; i < ARRAY_SIZE(aSafeZones); i++) {
		if ((level1 == aSafeZones[i].srcLevel || level1 == aSafeZones[i].destLevel) && (level2 == aSafeZones[i].srcLevel || level2 == aSafeZones[i].destLevel)) {
			CVector2D safeZoneDistVec(coors->x - (aSafeZones[i].x1 + aSafeZones[i].x2) * 0.5f, coors->y - (aSafeZones[i].y1 + aSafeZones[i].y2) * 0.5f);
			float safeZoneDist = safeZoneDistVec.Magnitude();
			if (safeZoneDist < minDist) {
				minDist = safeZoneDist;
				closestSafeZone = i;
			}
		}
	}
	*safeZoneOut = closestSafeZone;
}

void
CPopulation::Update()
{
	if (!CReplay::IsPlayingBack()) {
		ManagePopulation();
		MoveCarsAndPedsOutOfAbandonedZones();
		if (m_CountDownToPedsAtStart != 0) {
			if (--m_CountDownToPedsAtStart == 0)
				GeneratePedsAtStartOfGame();
		} else {
			ms_nTotalCivPeds = ms_nNumCivFemale + ms_nNumCivMale;
			ms_nTotalGangPeds = ms_nNumGang9 + ms_nNumGang8 + ms_nNumGang7
				+ ms_nNumGang6 + ms_nNumGang5 + ms_nNumGang4 + ms_nNumGang3
				+ ms_nNumGang2 + ms_nNumGang1;
			ms_nTotalPeds = ms_nNumDummy + ms_nNumEmergency + ms_nNumCop
				+ ms_nTotalGangPeds + ms_nNumCivFemale + ms_nNumCivMale;
			if (!CCutsceneMgr::IsRunning()) {
				float pcdm = PedCreationDistMultiplier();
				AddToPopulation(pcdm * (MIN_CREATION_DIST * TheCamera.GenerationDistMultiplier),
					pcdm * ((MIN_CREATION_DIST + CREATION_RANGE) * TheCamera.GenerationDistMultiplier),
					pcdm * (MIN_CREATION_DIST + CREATION_RANGE) * OFFSCREEN_CREATION_MULT - CREATION_RANGE,
					pcdm * (MIN_CREATION_DIST + CREATION_RANGE) * OFFSCREEN_CREATION_MULT);
			}
		}
	}
}

void
CPopulation::GeneratePedsAtStartOfGame()
{
	for (int i = 0; i < 50; i++) {
		ms_nTotalCivPeds = ms_nNumCivFemale + ms_nNumCivMale;
		ms_nTotalGangPeds = ms_nNumGang9 + ms_nNumGang8 + ms_nNumGang7
			+ ms_nNumGang6 + ms_nNumGang5 + ms_nNumGang4
			+ ms_nNumGang3 + ms_nNumGang2 + ms_nNumGang1;
		ms_nTotalPeds = ms_nNumDummy + ms_nNumEmergency + ms_nNumCop
			+ ms_nTotalGangPeds + ms_nNumCivFemale + ms_nNumCivMale;

		// Min dist is 10.0f only for start of the game (naturally)
		AddToPopulation(10.0f, PedCreationDistMultiplier() * (MIN_CREATION_DIST + CREATION_RANGE),
			10.0f, PedCreationDistMultiplier() * (MIN_CREATION_DIST + CREATION_RANGE));
	}
}

bool
CPopulation::IsPointInSafeZone(CVector *coors)
{
	for (int i = 0; i < ARRAY_SIZE(aSafeZones); i++) {
		if (coors->x > aSafeZones[i].x1 && coors->x < aSafeZones[i].x2) {
			if (coors->y > aSafeZones[i].y1 && coors->y < aSafeZones[i].y2) {
				if (coors->z > aSafeZones[i].z1 && coors->z < aSafeZones[i].z2)
					return true;
			}
		}
	}
	return false;
}

// More speed = wider area to spawn peds
float
CPopulation::PedCreationDistMultiplier()
{
	CVehicle *veh = FindPlayerVehicle();
	if (!veh)
		return 1.0f;

	float vehSpeed = veh->m_vecMoveSpeed.Magnitude2D();
	return clamp(vehSpeed - 0.1f + 1.0f, 1.0f, 1.5f);
}

CPed*
CPopulation::AddPed(ePedType pedType, uint32 miOrCopType, CVector const &coors)
{
	switch (pedType) {
		case PEDTYPE_CIVMALE:
		case PEDTYPE_CIVFEMALE:
		{
			CCivilianPed *ped = new CCivilianPed(pedType, miOrCopType);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);
			if (ms_bGivePedsWeapons) {
				eWeaponType weapon = (eWeaponType)CGeneral::GetRandomNumberInRange(WEAPONTYPE_UNARMED, WEAPONTYPE_DETONATOR);
				if (weapon != WEAPONTYPE_UNARMED) {
					ped->SetCurrentWeapon(ped->GiveWeapon(weapon, 25001));
				}
			}
			return ped;
		}
		case PEDTYPE_COP:
		{
			CCopPed *ped = new CCopPed((eCopType)miOrCopType);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);
			return ped;
		}
		case PEDTYPE_GANG1:
		case PEDTYPE_GANG2:
		case PEDTYPE_GANG3:
		case PEDTYPE_GANG4:
		case PEDTYPE_GANG5:
		case PEDTYPE_GANG6:
		case PEDTYPE_GANG7:
		case PEDTYPE_GANG8:
		case PEDTYPE_GANG9:
		{
			CCivilianPed *ped = new CCivilianPed(pedType, miOrCopType);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);

			uint32 weapon;
			if (CGeneral::GetRandomNumberInRange(0, 100) >= 50)
				weapon = ped->GiveWeapon(CGangs::GetGangWeapon2(pedType - PEDTYPE_GANG1), 25001);
			else
				weapon = ped->GiveWeapon(CGangs::GetGangWeapon1(pedType - PEDTYPE_GANG1), 25001);
			ped->SetCurrentWeapon(weapon);
			return ped;
		}
		case PEDTYPE_EMERGENCY:
		{
			CEmergencyPed *ped = new CEmergencyPed(PEDTYPE_EMERGENCY);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);
			return ped;
		}
		case PEDTYPE_FIREMAN:
		{
			CEmergencyPed *ped = new CEmergencyPed(PEDTYPE_FIREMAN);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);
			return ped;
		}
		case PEDTYPE_CRIMINAL:
		case PEDTYPE_PROSTITUTE:
		{
			CCivilianPed *ped = new CCivilianPed(pedType, miOrCopType);
			ped->GetPosition() = coors;
			ped->SetOrientation(0.0f, 0.0f, 0.0f);
			CWorld::Add(ped);
			return ped;
		}
		default:
			Error("Unknown ped type, AddPed, Population.cpp");
			return nil;
	}
}

void
CPopulation::AddToPopulation(float minDist, float maxDist, float minDistOffScreen, float maxDistOffScreen)
{
	uint32 pedTypeToAdd;
	int32 modelToAdd;
	int pedAmount;

	CZoneInfo zoneInfo;
	CPed *gangLeader = nil;
	bool addCop = false;
	CPlayerInfo *playerInfo = &CWorld::Players[CWorld::PlayerInFocus];
	CVector playerCentreOfWorld = FindPlayerCentreOfWorld(CWorld::PlayerInFocus);
	CTheZones::GetZoneInfoForTimeOfDay(&playerCentreOfWorld, &zoneInfo);
	CWanted *wantedInfo = playerInfo->m_pPed->m_pWanted;
	if (wantedInfo->m_nWantedLevel > 2) {
		if (ms_nNumCop < wantedInfo->m_MaxCops && !playerInfo->m_pPed->bInVehicle
			&& (CCarCtrl::NumLawEnforcerCars >= wantedInfo->m_MaximumLawEnforcerVehicles
				|| CCarCtrl::NumRandomCars >= playerInfo->m_nTrafficMultiplier * CCarCtrl::CarDensityMultiplier
				|| CCarCtrl::NumFiretrucksOnDuty + CCarCtrl::NumAmbulancesOnDuty + CCarCtrl::NumParkedCars
				+ CCarCtrl::NumMissionCars + CCarCtrl::NumLawEnforcerCars + CCarCtrl::NumRandomCars >= CCarCtrl::MaxNumberOfCarsInUse)) {
			addCop = true;
			minDist = PedCreationDistMultiplier() * MIN_CREATION_DIST;
			maxDist = PedCreationDistMultiplier() * (MIN_CREATION_DIST + CREATION_RANGE);
		}
	}
	// Yeah, float
	float maxPossiblePedsForArea = 10.0f * (zoneInfo.pedDensity + zoneInfo.carDensity) * playerInfo->m_fRoadDensity * PedDensityMultiplier * CIniFile::PedNumberMultiplier;
	// maxPossiblePedsForArea = min(maxPossiblePedsForArea, MaxNumberOfPedsInUse);

	if (ms_nTotalPeds < maxPossiblePedsForArea || addCop) {
		int decisionThreshold = CGeneral::GetRandomNumberInRange(0, 1000);
		if (decisionThreshold < zoneInfo.copDensity || addCop) {
			pedTypeToAdd = PEDTYPE_COP;
			modelToAdd = ChoosePolicePedOccupation();
		} else {
			int16 density = zoneInfo.copDensity;
			for (int i = 0; i < NUM_GANGS; i++) {
				density += zoneInfo.gangDensity[i];
				if (decisionThreshold < density) {
					pedTypeToAdd = PEDTYPE_GANG1 + i;
					break;
				}

				if (i == NUM_GANGS - 1) {
					modelToAdd = ChooseCivilianOccupation(zoneInfo.pedGroup);
					if (modelToAdd == -1)
						return;
					pedTypeToAdd = ((CPedModelInfo*)CModelInfo::GetModelInfo(modelToAdd))->m_pedType;
				}

			}
		}
		if (!addCop && m_AllRandomPedsThisType > PEDTYPE_PLAYER1)
			pedTypeToAdd = m_AllRandomPedsThisType;

		if (pedTypeToAdd >= PEDTYPE_GANG1 && pedTypeToAdd <= PEDTYPE_GANG9) {
			int randVal = CGeneral::GetRandomNumber() % 100;
			if (randVal < 50)
				return;

			if (randVal < 57) {
				pedAmount = 1;
			} else if (randVal >= 74) {
				if (randVal >= 85)
					pedAmount = 4;
				else
					pedAmount = 3;
			} else {
				pedAmount = 2;
			}
		} else
			pedAmount = 1;

		CVector generatedCoors;
		int node1, node2;
		float randomPos;
		bool foundCoors = !!ThePaths.GeneratePedCreationCoors(playerCentreOfWorld.x, playerCentreOfWorld.y, minDist, maxDist, minDistOffScreen, maxDistOffScreen,
			&generatedCoors, &node1, &node2, &randomPos, nil);

		if (!foundCoors)
			return;

		for (int i = 0; i < pedAmount; ++i) {
			if (pedTypeToAdd >= PEDTYPE_GANG1 && pedTypeToAdd <= PEDTYPE_GANG9)
				modelToAdd = ChooseGangOccupation(pedTypeToAdd - PEDTYPE_GANG1);

			if (pedTypeToAdd == PEDTYPE_COP) {
				// Unused code, ChoosePolicePedOccupation returns COP_STREET. Spawning FBI/SWAT/Army done in somewhere else.
				if (modelToAdd != COP_STREET) {
					if (modelToAdd == COP_FBI) {
						if (!CModelInfo::GetModelInfo(MI_FBI)->GetRwObject())
							return;

					} else if (modelToAdd == COP_SWAT) {
						if (!CModelInfo::GetModelInfo(MI_SWAT)->GetRwObject())
							return;

					} else if (modelToAdd == COP_ARMY && !CModelInfo::GetModelInfo(MI_ARMY)->GetRwObject()) {
						return;
					}
				} else if (!CModelInfo::GetModelInfo(MI_COP)->GetRwObject()) {
					return;
				}
			} else if (!CModelInfo::GetModelInfo(modelToAdd)->GetRwObject()) {
				return;
			}
			generatedCoors.z += 0.7f;

			// What? How can this not be met?
			if (i < pedAmount) {
				//rand()
				if (gangLeader) {
					// Align gang members in formation. (btw i can't be 0 in here)
					float offsetMin = i * 0.75f;
					float offsetMax = (i + 1.0f) * 0.75f - offsetMin;
					float xOffset = CGeneral::GetRandomNumberInRange(offsetMin, offsetMin + offsetMax);
					float yOffset = CGeneral::GetRandomNumberInRange(offsetMin, offsetMin + offsetMax);
					if (CGeneral::GetRandomNumber() & 1)
						xOffset = -xOffset;
					if (CGeneral::GetRandomNumber() & 1)
						yOffset = -yOffset;
					generatedCoors.x = xOffset + gangLeader->GetPosition().x;
					generatedCoors.y = yOffset + gangLeader->GetPosition().y;
				}
			}
			if (!CPedPlacement::IsPositionClearForPed(&generatedCoors))
				break;

			// Why no love for last gang member?!
			if (i + 1 < pedAmount) {
				bool foundGround;
				float groundZ = CWorld::FindGroundZFor3DCoord(generatedCoors.x, generatedCoors.y, 2.0f + generatedCoors.z, &foundGround) + 0.7f;
				if (!foundGround)
					return;

				generatedCoors.z = max(generatedCoors.z, groundZ);
			}
			bool farEnoughToAdd = true;
			CMatrix mat(TheCamera.GetCameraMatrix());
			if (TheCamera.IsSphereVisible(generatedCoors, 2.0f, &mat)) {
				if (PedCreationDistMultiplier() * MIN_CREATION_DIST > (generatedCoors - playerCentreOfWorld).Magnitude2D())
					farEnoughToAdd = false;
			}
			if (!farEnoughToAdd)
				break;
			CPed *newPed = AddPed((ePedType)pedTypeToAdd, modelToAdd, generatedCoors);
			newPed->SetWanderPath(CGeneral::GetRandomNumberInRange(0, 8));

			if (i != 0) {
				// Gang member
				newPed->SetLeader(gangLeader);
				newPed->m_nPedState = PED_UNKNOWN;
				gangLeader->m_nPedState = PED_UNKNOWN;
				newPed->m_fRotationCur = CGeneral::GetRadianAngleBetweenPoints(
					gangLeader->GetPosition().x, gangLeader->GetPosition().y,
					newPed->GetPosition().x, newPed->GetPosition().y);
				newPed->m_fRotationDest = newPed->m_fRotationCur;
			} else {
				gangLeader = newPed;
			}
			CVisibilityPlugins::SetClumpAlpha(newPed->GetClump(), 0);
			/*
			// Pointless, this is already a for loop
			if (i + 1 > pedAmount)
				break;
			if (pedAmount <= 1)
				break; */
		}
	}
}

CPed*
CPopulation::AddPedInCar(CVehicle* car)
{
	int defaultModel = MI_MALE01;
	bool imSureThatModelIsLoaded = true;
	CVector coors = FindPlayerCoors();
	CZoneInfo zoneInfo;
	int pedType;

	// May be eCopType, model index or non-sense(for medic), AddPed knows that by looking to ped type.
	int preferredModel;

	CTheZones::GetZoneInfoForTimeOfDay(&coors, &zoneInfo);
	switch (car->m_modelIndex) {
		case MI_FIRETRUCK:
			preferredModel = 0;
			pedType = PEDTYPE_FIREMAN;
			break;
		case MI_AMBULAN:
			preferredModel = 0;
			pedType = PEDTYPE_EMERGENCY;
			break;
		case MI_FBICAR:
			preferredModel = COP_FBI;
			pedType = PEDTYPE_COP;
			break;
		case MI_POLICE:
			preferredModel = COP_STREET;
			pedType = PEDTYPE_COP;
			break;
		case MI_ENFORCER:
			preferredModel = COP_SWAT;
			pedType = PEDTYPE_COP;
			break;
		case MI_RHINO:
		case MI_BARRACKS:
			preferredModel = COP_ARMY;
			pedType = PEDTYPE_COP;
			break;
		case MI_TAXI:
		case MI_CABBIE:
		case MI_BORGNINE:
			if (CGeneral::GetRandomTrueFalse()) {
				pedType = PEDTYPE_CIVMALE;
				preferredModel = MI_TAXI_D;
				break;
			}
			defaultModel = MI_TAXI_D;

			// fall through
		default:
			int gangOfPed = GANG_MAFIA;
			imSureThatModelIsLoaded = false;

			while (gangOfPed < NUM_GANGS && CGangs::GetGangInfo(gangOfPed)->m_nVehicleMI != car->m_modelIndex)
				gangOfPed++;

			if (gangOfPed < NUM_GANGS) {
				pedType = gangOfPed + PEDTYPE_GANG1;
				preferredModel = ChooseGangOccupation(gangOfPed);
			} else if (gangOfPed == NUM_GANGS) {
				CVehicleModelInfo *carModelInfo = ((CVehicleModelInfo*)CModelInfo::GetModelInfo(car->m_modelIndex));
				int i = 15;
				for(; i >= 0; i--) {
					// Should return random model each time
					preferredModel = ChooseCivilianOccupation(zoneInfo.pedGroup);
					if (preferredModel == -1)
						preferredModel = defaultModel;

					if (((CPedModelInfo*)CModelInfo::GetModelInfo(preferredModel))->m_carsCanDrive & (1 << carModelInfo->m_vehicleClass))
						break;
				}
				if (i == -1)
					preferredModel = defaultModel;

				pedType = ((CPedModelInfo*)CModelInfo::GetModelInfo(preferredModel))->m_pedType;
			}
			break;
	}
	if (!imSureThatModelIsLoaded && !((CPedModelInfo*)CModelInfo::GetModelInfo(preferredModel))->GetRwObject()) {
		preferredModel = defaultModel;
		pedType = ((CPedModelInfo*)CModelInfo::GetModelInfo(defaultModel))->m_pedType;
	}

	CPed *newPed = CPopulation::AddPed((ePedType)pedType, preferredModel, car->GetPosition());
	newPed->bUsesCollision = false;

	// what??
	if (pedType != PEDTYPE_COP) {
		newPed->SetCurrentWeapon(WEAPONTYPE_COLT45);
		newPed->RemoveWeaponModel(CWeaponInfo::GetWeaponInfo(newPed->GetWeapon()->m_eWeaponType)->m_nModelId);
	}
	/*
	// Miami leftover
	if (car->m_vehType == VEHICLE_TYPE_BIKE) {
		newPed->m_pVehicleAnim = CAnimManager::BlendAnimation(newPed->GetClump(), ASSOCGRP_STD, *((CBike*)car + 308h), 100.0f);
	} else */

	// FIX: Make peds comfortable while driving car/boat
#ifdef FIX_BUGS
	{
		newPed->m_pVehicleAnim = CAnimManager::BlendAnimation(newPed->GetClump(), ASSOCGRP_STD, car->GetDriverAnim(), 100.0f);
	}
#else
	{
		newPed->m_pVehicleAnim = CAnimManager::BlendAnimation(newPed->GetClump(), ASSOCGRP_STD, ANIM_CAR_SIT, 100.0f);
	}
#endif
	
	newPed->StopNonPartialAnims();
	return newPed;
}

void
CPopulation::MoveCarsAndPedsOutOfAbandonedZones()
{
	eLevelName level;
	int zone;
	int frame = CTimer::GetFrameCounter() & 7;
	if (frame == 1) {
		int movedVehicleCount = 0;
		int poolSize = CPools::GetVehiclePool()->GetSize();
		for (int poolIndex = poolSize - 1; poolIndex >= 0; poolIndex--) {

			CVehicle* veh = CPools::GetVehiclePool()->GetSlot(poolIndex);
			if (veh && veh->m_nZoneLevel == LEVEL_NONE && veh->IsCar()) {

				if(veh->m_status != STATUS_ABANDONED && veh->m_status != STATUS_WRECKED && veh->m_status != STATUS_PLAYER &&
					veh->m_status != STATUS_PLAYER_REMOTE) {

					CVector vehPos(veh->GetPosition());
					CPopulation::FindCollisionZoneForCoors(&vehPos, &zone, &level);

					// Level 0 is transition zones, and we don't wanna touch cars on transition zones.
					if (level != LEVEL_NONE && level != CCollision::ms_collisionInMemory && vehPos.z > -4.0f) {
						if (veh->bIsLocked || !veh->CanBeDeleted()) {
							switch (movedVehicleCount & 3) {
								case 0:
									veh->GetPosition() = RegenerationPoint_a;
									break;
								case 1:
									veh->GetPosition() = RegenerationPoint_b;
									break;
								case 2:
									veh->GetPosition() = CVector(RegenerationPoint_a.x, RegenerationPoint_b.y, RegenerationPoint_a.z);
									break;
								case 3:
									veh->GetPosition() = CVector(RegenerationPoint_b.x, RegenerationPoint_a.y, RegenerationPoint_a.z);
									break;
								default:
									break;
							}
							veh->GetPosition().z += (movedVehicleCount / 4) * 7.0f;
							veh->GetForward() = RegenerationForward;
							((CAutomobile*)veh)->PlaceOnRoadProperly();
							CCarCtrl::JoinCarWithRoadSystem(veh);
							CTheScripts::ClearSpaceForMissionEntity(veh->GetPosition(), veh);
							++movedVehicleCount;
						} else {
							CWorld::Remove(veh);
							delete veh;
						}
					}
				}
			}
		}
	} else if (frame == 5) {
		int poolSize = CPools::GetPedPool()->GetSize();
		for (int poolIndex = poolSize - 1; poolIndex >= 0; poolIndex--) {

			CPed *ped = CPools::GetPedPool()->GetSlot(poolIndex);
			if (ped && ped->m_nZoneLevel == LEVEL_NONE && !ped->bInVehicle) {

				CVector pedPos(ped->GetPosition());
				CPopulation::FindCollisionZoneForCoors(&pedPos, &zone, &level);

				// Level 0 is transition zones, and we don't wanna touch peds on transition zones.
				if (level != LEVEL_NONE && level != CCollision::ms_collisionInMemory && pedPos.z > -4.0f) {
					if (ped->CanBeDeleted()) {
						CWorld::Remove(ped);
						delete ped;
					} else if (ped->m_nPedType != PEDTYPE_PLAYER1 && ped->m_nPedType != PEDTYPE_PLAYER2) {
						ped->GetPosition() = RegenerationPoint_a;

						bool foundGround;
						float groundZ = CWorld::FindGroundZFor3DCoord(ped->GetPosition().x, ped->GetPosition().y,
							ped->GetPosition().z + 2.0f, &foundGround);

						if (foundGround) {
							ped->GetPosition().z = 1.0f + groundZ;
							//ped->GetPosition().z += 0.0f;
							CTheScripts::ClearSpaceForMissionEntity(ped->GetPosition(), ped);
						}
					}
				}
			}
		}
	}
}

void
CPopulation::ConvertAllObjectsToDummyObjects()
{
	int poolSize = CPools::GetObjectPool()->GetSize();
	for (int poolIndex = poolSize - 1; poolIndex >= 0; poolIndex--) {

		CObject *obj = CPools::GetObjectPool()->GetSlot(poolIndex);
		if (obj) {
			if (obj->CanBeDeleted())
				ConvertToDummyObject(obj);
		}
	}
}

void
CPopulation::ConvertToRealObject(CDummyObject *dummy)
{
	if (!TestSafeForRealObject(dummy))
		return;

	CObject *obj = new CObject(dummy);
	if (!obj)
		return;

	bool makeInvisible;
	CWorld::Remove(dummy);
	delete dummy;
	CWorld::Add(obj);
	int16 mi = obj->m_modelIndex;
	if (mi == MI_GLASS1 || mi == MI_GLASS2 || mi == MI_GLASS3 || mi == MI_GLASS4 ||
		mi == MI_GLASS5 || mi == MI_GLASS6 || mi == MI_GLASS7 || mi == MI_GLASS8)
		makeInvisible = true;
	else
		makeInvisible = false;

	if (makeInvisible) {
		obj->bIsVisible = false;
	} else if (obj->m_modelIndex == MI_BUOY) {
		obj->bIsStatic = false;
		obj->m_vecMoveSpeed = CVector(0.0f, 0.0f, -0.001f);
		obj->m_flagD8 = true;
		obj->AddToMovingList();
	}
}

void
CPopulation::ConvertToDummyObject(CObject *obj)
{
	CDummyObject *dummy = new CDummyObject(obj);

	dummy->GetMatrix() = obj->m_objectMatrix;
	dummy->GetMatrix().UpdateRW();
	dummy->UpdateRwFrame();

	bool makeInvisible;
	int16 mi = obj->m_modelIndex;
	if (mi == MI_GLASS1 || mi == MI_GLASS2 || mi == MI_GLASS3 || mi == MI_GLASS4 ||
		mi == MI_GLASS5 || mi == MI_GLASS6 || mi == MI_GLASS7 || mi == MI_GLASS8)
		makeInvisible = true;
	else
		makeInvisible = false;

	if (makeInvisible) {
		dummy->bIsVisible = false;
	}

	CWorld::Remove(obj);
	delete obj;
	CWorld::Add(dummy);
}

bool
CPopulation::TestRoomForDummyObject(CObject *obj)
{
	int16 collidingObjs;
	CWorld::FindObjectsKindaColliding(obj->m_objectMatrix.GetPosition(),
		CModelInfo::GetModelInfo(obj->m_modelIndex)->GetColModel()->boundingSphere.radius,
		false, &collidingObjs, 2, nil, false, true, true, false, false);

	return collidingObjs == 0;
}

bool
CPopulation::TestSafeForRealObject(CDummyObject *dummy)
{
	CPtrNode *ptrNode;
	CColModel *dummyCol = dummy->GetColModel();
	float colRadius = dummy->GetBoundRadius();
	CVector colCentre = dummy->GetBoundCentre();

	int minX = CWorld::GetSectorIndexX(dummy->GetPosition().x - colRadius);
	if (minX < 0) minX = 0;
	int minY = CWorld::GetSectorIndexY(dummy->GetPosition().y - colRadius);
	if (minY < 0) minY = 0;
	int maxX = CWorld::GetSectorIndexX(dummy->GetPosition().x + colRadius);
#ifdef FIX_BUGS
	if (maxX >= NUMSECTORS_X) maxX = NUMSECTORS_X - 1;
#else
	if (maxX >= NUMSECTORS_X) maxX = NUMSECTORS_X;
#endif

	int maxY = CWorld::GetSectorIndexY(dummy->GetPosition().y + colRadius);
#ifdef FIX_BUGS
	if (maxY >= NUMSECTORS_Y) maxY = NUMSECTORS_Y - 1;
#else
	if (maxY >= NUMSECTORS_Y) maxY = NUMSECTORS_Y;
#endif

	static CColPoint aTempColPoints;

	for (int curY = minY; curY <= maxY; curY++) {
		for (int curX = minX; curX <= maxX; curX++) {
			CSector *sector = CWorld::GetSector(curX, curY);

			for (ptrNode = sector->m_lists[ENTITYLIST_VEHICLES].first; ptrNode; ptrNode = ptrNode->next) {
				CVehicle *veh = (CVehicle*)ptrNode->item;
				if (veh->m_scanCode != CWorld::GetCurrentScanCode()) {
					if (veh->GetIsTouching(colCentre, colRadius)) {
						veh->m_scanCode = CWorld::GetCurrentScanCode();
						if (CCollision::ProcessColModels(dummy->GetMatrix(), *dummyCol, veh->GetMatrix(), *veh->GetColModel(), &aTempColPoints, nil, nil) > 0)
							return false;
					}
				}
			}

			for (ptrNode = sector->m_lists[ENTITYLIST_VEHICLES_OVERLAP].first; ptrNode; ptrNode = ptrNode->next) {
				CVehicle *veh = (CVehicle*)ptrNode->item;
				if (veh->m_scanCode != CWorld::GetCurrentScanCode()) {
					if (veh->GetIsTouching(colCentre, colRadius)) {
						veh->m_scanCode = CWorld::GetCurrentScanCode();
						if (CCollision::ProcessColModels(dummy->GetMatrix(), *dummyCol, veh->GetMatrix(), *veh->GetColModel(), &aTempColPoints, nil, nil) > 0)
							return false;
					}
				}
			}
		}
	}
	return true;
}

void
CPopulation::ManagePopulation(void)
{
	int frameMod32 = CTimer::GetFrameCounter() & 31;
	CVector playerPos = FindPlayerCentreOfWorld(CWorld::PlayerInFocus);

	// Why this code is here?! Delete temporary objects when they got too far, and convert others to "dummy" objects. (like lamp posts)
	int objectPoolSize = CPools::GetObjectPool()->GetSize();
	for (int i = objectPoolSize * frameMod32 / 32; i < objectPoolSize * (frameMod32 + 1) / 32; i++) {
		CObject *obj = CPools::GetObjectPool()->GetSlot(i);
		if (obj && obj->CanBeDeleted()) {
			if ((obj->GetPosition() - playerPos).Magnitude() <= 80.0f ||
				(obj->m_objectMatrix.GetPosition() - playerPos).Magnitude() <= 80.0f) {
				if (obj->ObjectCreatedBy == TEMP_OBJECT && CTimer::GetTimeInMilliseconds() > obj->m_nEndOfLifeTime) {
					CWorld::Remove(obj);
					delete obj;
				}
			} else {
				if (obj->ObjectCreatedBy == TEMP_OBJECT) {
					CWorld::Remove(obj);
					delete obj;
				} else if (obj->ObjectCreatedBy != CUTSCENE_OBJECT && TestRoomForDummyObject(obj)) {
					ConvertToDummyObject(obj);
				}
			}
		}
	}

	// Convert them back to real objects. Dummy objects don't have collisions, so they need to be converted.
	int dummyPoolSize = CPools::GetDummyPool()->GetSize();
	for (int i = dummyPoolSize * frameMod32 / 32; i < dummyPoolSize * (frameMod32 + 1) / 32; i++) {
		CDummy *dummy = CPools::GetDummyPool()->GetSlot(i);
		if (dummy) {
			if ((dummy->GetPosition() - playerPos).Magnitude() < 80.0f)
				ConvertToRealObject((CDummyObject*)dummy);
		}
	}

	int pedPoolSize = CPools::GetPedPool()->GetSize();
	for (int poolIndex = pedPoolSize-1; poolIndex >= 0; poolIndex--) {
		CPed *ped = CPools::GetPedPool()->GetSlot(poolIndex);

		if (ped && !ped->IsPlayer() && ped->CanBeDeleted() && !ped->bInVehicle) {
			if (ped->m_nPedState == PED_DEAD && CTimer::GetTimeInMilliseconds() - ped->m_bloodyFootprintCountOrDeathTime > 60000)
				ped->bFadeOut = true;

			if (ped->bFadeOut && CVisibilityPlugins::GetClumpAlpha(ped->GetClump()) == 0) {
				RemovePed(ped);
				continue;
			}

			float dist = (ped->GetPosition() - playerPos).Magnitude2D();
			bool pedIsFarAway = false;
			if (PedCreationDistMultiplier() * (PED_REMOVE_DIST_SPECIAL * TheCamera.GenerationDistMultiplier) < dist
				|| (!ped->bCullExtraFarAway && PedCreationDistMultiplier() * PED_REMOVE_DIST * TheCamera.GenerationDistMultiplier < dist)
				|| (PedCreationDistMultiplier() * (MIN_CREATION_DIST + CREATION_RANGE) * OFFSCREEN_CREATION_MULT < dist
				&& !ped->GetIsOnScreen()
				&& TheCamera.Cams[TheCamera.ActiveCam].Mode != CCam::MODE_SNIPER
				&& TheCamera.Cams[TheCamera.ActiveCam].Mode != CCam::MODE_SNIPER_RUNABOUT
				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingLeft
				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingRight
				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingBehind))
				pedIsFarAway = true;

			if (!pedIsFarAway)
				continue;

			if (ped->m_nPedState == PED_DEAD && !ped->bFadeOut) {
				CVector pedPos = ped->GetPosition();

				float randAngle = (uint8) CGeneral::GetRandomNumber() * (3.14f / 128.0f); // Not PI, 3.14
				switch (CGeneral::GetRandomNumber() % 3) {
					case 0:
						CShadows::AddPermanentShadow(SHADOWTYPE_DARK, gpOutline1Tex, &pedPos,
							0.9f * Cos(randAngle), 0.9f * Sin(randAngle), 0.9f * Sin(randAngle), -0.9f * Cos(randAngle),
							255, 255, 255, 255, 4.0f, 40000, 1.0f);
						break;
					case 1:
						CShadows::AddPermanentShadow(SHADOWTYPE_DARK, gpOutline2Tex, &pedPos,
							0.9f * Cos(randAngle), 0.9f * Sin(randAngle), 0.9f * Sin(randAngle), -0.9f * Cos(randAngle),
							255, 255, 255, 255, 4.0f, 40000, 1.0f);
						break;
					case 2:
						CShadows::AddPermanentShadow(SHADOWTYPE_DARK, gpOutline3Tex, &pedPos,
							0.9f * Cos(randAngle), 0.9f * Sin(randAngle), 0.9f * Sin(randAngle), -0.9f * Cos(randAngle),
							255, 255, 255, 255, 4.0f, 40000, 1.0f);
						break;
					default:
						break;
				}
			}
			if (ped->GetIsOnScreen())
				ped->bFadeOut = true;
			else
				RemovePed(ped);
		}
	}
}

STARTPATCHES
	InjectHook(0x4F3770, &CPopulation::Initialise, PATCH_JUMP);
	InjectHook(0x4F5780, &CPopulation::ChooseGangOccupation, PATCH_JUMP);
	InjectHook(0x4F6200, &CPopulation::DealWithZoneChange, PATCH_JUMP);
	InjectHook(0x4F6010, &CPopulation::FindCollisionZoneForCoors, PATCH_JUMP);
	InjectHook(0x4F6410, &CPopulation::PedCreationDistMultiplier, PATCH_JUMP);
	InjectHook(0x4F5280, &CPopulation::AddPed, PATCH_JUMP);
	InjectHook(0x4F4470, &CPopulation::ConvertToRealObject, PATCH_JUMP);
	InjectHook(0x4F4690, &CPopulation::TestRoomForDummyObject, PATCH_JUMP);
	InjectHook(0x4F45A0, &CPopulation::ConvertToDummyObject, PATCH_JUMP);
	InjectHook(0x4F4410, &CPopulation::ConvertAllObjectsToDummyObjects, PATCH_JUMP);
ENDPATCHES