#include "common.h"
#include "patcher.h"
#include "CarCtrl.h"
#include "Automobile.h"
#include "Camera.h"
#include "CarAI.h"
#include "CarGen.h"
#include "Cranes.h"
#include "Curves.h"
#include "CutsceneMgr.h"
#include "Gangs.h"
#include "Garages.h"
#include "General.h"
#include "IniFile.h"
#include "ModelIndices.h"
#include "PathFind.h"
#include "Ped.h"
#include "PlayerInfo.h"
#include "PlayerPed.h"
#include "Pools.h"
#include "Renderer.h"
#include "RoadBlocks.h"
#include "Timer.h"
#include "TrafficLights.h"
#include "Streaming.h"
#include "VisibilityPlugins.h"
#include "Vehicle.h"
#include "Wanted.h"
#include "World.h"
#include "Zones.h"
#define DISTANCE_TO_SPAWN_ROADBLOCK_PEDS 51.0f
#define DISTANCE_TO_SCAN_FOR_DANGER 11.0f
#define INFINITE_Z 1000000000.0f
int &CCarCtrl::NumLawEnforcerCars = *(int*)0x8F1B38;
int &CCarCtrl::NumAmbulancesOnDuty = *(int*)0x885BB0;
int &CCarCtrl::NumFiretrucksOnDuty = *(int*)0x9411F0;
bool &CCarCtrl::bCarsGeneratedAroundCamera = *(bool*)0x95CD8A;
float& CCarCtrl::CarDensityMultiplier = *(float*)0x5EC8B4;
int32 &CCarCtrl::NumMissionCars = *(int32*)0x8F1B54;
int32 &CCarCtrl::NumRandomCars = *(int32*)0x943118;
int32 &CCarCtrl::NumParkedCars = *(int32*)0x8F29E0;
int8 &CCarCtrl::CountDownToCarsAtStart = *(int8*)0x95CD63;
int32 &CCarCtrl::MaxNumberOfCarsInUse = *(int32*)0x5EC8B8;
uint32 &CCarCtrl::LastTimeLawEnforcerCreated = *(uint32*)0x8F5FF0;
int32 (&CCarCtrl::TotalNumOfCarsOfRating)[7] = *(int32(*)[7])*(uintptr*)0x8F1A60;
int32 (&CCarCtrl::NextCarOfRating)[7] = *(int32(*)[7])*(uintptr*)0x9412AC;
int32 (&CCarCtrl::CarArrays)[7][MAX_CAR_MODELS_IN_ARRAY] = *(int32(*)[7][MAX_CAR_MODELS_IN_ARRAY])*(uintptr*)0x6EB860;
CVehicle* (&apCarsToKeep)[MAX_CARS_TO_KEEP] = *(CVehicle*(*)[MAX_CARS_TO_KEEP])*(uintptr*)0x70D830;
WRAPPER void CCarCtrl::SwitchVehicleToRealPhysics(CVehicle*) { EAXJMP(0x41F7F0); }
WRAPPER void CCarCtrl::UpdateCarCount(CVehicle*, bool) { EAXJMP(0x4202E0); }
WRAPPER bool CCarCtrl::JoinCarWithRoadSystemGotoCoors(CVehicle*, CVector, bool) { EAXJMP(0x41FA00); }
WRAPPER void CCarCtrl::JoinCarWithRoadSystem(CVehicle*) { EAXJMP(0x41F820); }
WRAPPER void CCarCtrl::SteerAICarWithPhysics(CVehicle*) { EAXJMP(0x41DA60); }
WRAPPER void CCarCtrl::RemoveFromInterestingVehicleList(CVehicle* v) { EAXJMP(0x41F7A0); }
WRAPPER void CCarCtrl::GenerateEmergencyServicesCar(void) { EAXJMP(0x41FC50); }
WRAPPER void CCarCtrl::PickNextNodeAccordingStrategy(CVehicle*) { EAXJMP(0x41BA50); }
WRAPPER void CCarCtrl::DragCarToPoint(CVehicle*, CVector*) { EAXJMP(0x41D450); }
WRAPPER void CCarCtrl::SlowCarDownForCarsSectorList(CPtrList&, CVehicle*, float, float, float, float, float*, float) { EAXJMP(0x419B40); }
WRAPPER void CCarCtrl::SlowCarDownForPedsSectorList(CPtrList&, CVehicle*, float, float, float, float, float*, float) { EAXJMP(0x419300); }
void
CCarCtrl::GenerateRandomCars()
{
if (CCutsceneMgr::IsCutsceneProcessing())
return;
if (NumRandomCars < 30){
if (CountDownToCarsAtStart == 0){
GenerateOneRandomCar();
}
else if (--CountDownToCarsAtStart == 0) {
for (int i = 0; i < 50; i++)
GenerateOneRandomCar();
CTheCarGenerators::GenerateEvenIfPlayerIsCloseCounter = 20;
}
}
/* Approximately once per 4 seconds. */
if ((CTimer::GetTimeInMilliseconds() & 0xFFFFF000) != (CTimer::GetPreviousTimeInMilliseconds() & 0xFFFFF000))
GenerateEmergencyServicesCar();
}
void
CCarCtrl::GenerateOneRandomCar()
{
static int32 unk = 0;
CPlayerInfo* pPlayer = &CWorld::Players[CWorld::PlayerInFocus];
CVector vecTargetPos = FindPlayerCentreOfWorld(CWorld::PlayerInFocus);
CVector2D vecPlayerSpeed = FindPlayerSpeed();
CZoneInfo zone;
CTheZones::GetZoneInfoForTimeOfDay(&vecTargetPos, &zone);
pPlayer->m_nTrafficMultiplier = pPlayer->m_fRoadDensity * zone.carDensity;
if (NumRandomCars >= pPlayer->m_nTrafficMultiplier * CarDensityMultiplier * CIniFile::CarNumberMultiplier)
return;
if (NumFiretrucksOnDuty + NumAmbulancesOnDuty + NumParkedCars + NumMissionCars + NumLawEnforcerCars + NumRandomCars >= MaxNumberOfCarsInUse)
return;
CWanted* pWanted = pPlayer->m_pPed->m_pWanted;
int carClass;
int carModel;
if (pWanted->m_nWantedLevel > 1 && NumLawEnforcerCars < pWanted->m_MaximumLawEnforcerVehicles &&
pWanted->m_CurrentCops < pWanted->m_MaxCops && (
pWanted->m_nWantedLevel > 3 ||
pWanted->m_nWantedLevel > 2 && CTimer::GetTimeInMilliseconds() > LastTimeLawEnforcerCreated + 5000 ||
pWanted->m_nWantedLevel > 1 && CTimer::GetTimeInMilliseconds() > LastTimeLawEnforcerCreated + 8000)) {
/* Last pWanted->m_nWantedLevel > 1 is unnecessary but I added it for better readability. */
/* Wouldn't be surprised it was there originally but was optimized out. */
carClass = COPS;
carModel = ChoosePoliceCarModel();
}else{
carModel = ChooseModel(&zone, &vecTargetPos, &carClass);
if (carClass == COPS && pWanted->m_nWantedLevel >= 1)
/* All cop spawns with wanted level are handled by condition above. */
/* In particular it means that cop cars never spawn if player has wanted level of 1. */
return;
}
float frontX, frontY;
float preferredDistance, angleLimit;
bool invertAngleLimitTest;
CVector spawnPosition;
int32 curNodeId, nextNodeId;
float positionBetweenNodes;
bool testForCollision;
CVehicle* pPlayerVehicle = FindPlayerVehicle();
CVector2D vecPlayerVehicleSpeed;
float fPlayerVehicleSpeed;
if (pPlayerVehicle) {
vecPlayerVehicleSpeed = FindPlayerVehicle()->GetMoveSpeed();
fPlayerVehicleSpeed = vecPlayerVehicleSpeed.Magnitude();
}
if (TheCamera.GetForward().z < -0.9f){
/* Player uses topdown camera. */
/* Spawn essentially anywhere. */
frontX = frontY = 0.707f; /* 45 degrees */
angleLimit = -1.0f;
invertAngleLimitTest = true;
preferredDistance = 40.0f;
/* BUG: testForCollision not initialized in original game. */
testForCollision = false;
}else if (!pPlayerVehicle){
/* Player is not in vehicle. */
testForCollision = true;
frontX = TheCamera.CamFrontXNorm;
frontY = TheCamera.CamFrontYNorm;
switch (CTimer::GetFrameCounter() & 1) {
case 0:
/* Spawn a vehicle relatively far away from player. */
/* Forward to his current direction (camera direction). */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 1:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
preferredDistance = 40.0f;
break;
}
}else if (fPlayerVehicleSpeed > 0.4f){ /* 72 km/h */
/* Player is moving fast in vehicle */
/* Prefer spawning vehicles very far away from him. */
frontX = vecPlayerVehicleSpeed.x / fPlayerVehicleSpeed;
frontY = vecPlayerVehicleSpeed.y / fPlayerVehicleSpeed;
testForCollision = false;
switch (CTimer::GetFrameCounter() & 3) {
case 0:
case 1:
/* Spawn a vehicle in a very narrow gap in front of a player */
angleLimit = 0.85f; /* approx 30 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 2:
/* Spawn a vehicle relatively far away from player. */
/* Forward to his current direction (camera direction). */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 3:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
preferredDistance = 40.0f;
break;
}
}else if (fPlayerVehicleSpeed > 0.1f){ /* 18 km/h */
/* Player is moving moderately fast in vehicle */
/* Spawn more vehicles to player's side. */
frontX = vecPlayerVehicleSpeed.x / fPlayerVehicleSpeed;
frontY = vecPlayerVehicleSpeed.y / fPlayerVehicleSpeed;
testForCollision = false;
switch (CTimer::GetFrameCounter() & 3) {
case 0:
/* Spawn a vehicle in a very narrow gap in front of a player */
angleLimit = 0.85f; /* approx 30 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 1:
/* Spawn a vehicle relatively far away from player. */
/* Forward to his current direction (camera direction). */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 2:
case 3:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
preferredDistance = 40.0f;
break;
}
}else{
/* Player is in vehicle but moving very slow. */
/* Then use camera direction instead of vehicle direction. */
testForCollision = true;
frontX = TheCamera.CamFrontXNorm;
frontY = TheCamera.CamFrontYNorm;
switch (CTimer::GetFrameCounter() & 1) {
case 0:
/* Spawn a vehicle relatively far away from player. */
/* Forward to his current direction (camera direction). */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = true;
preferredDistance = 120.0f * TheCamera.GenerationDistMultiplier;
break;
case 1:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
preferredDistance = 40.0f;
break;
}
}
if (!ThePaths.NewGenerateCarCreationCoors(vecTargetPos.x, vecTargetPos.y, frontX, frontY,
preferredDistance, angleLimit, invertAngleLimitTest, &spawnPosition, &curNodeId, &nextNodeId,
&positionBetweenNodes, carClass == COPS && pWanted->m_nWantedLevel >= 1))
return;
int16 colliding;
CWorld::FindObjectsKindaColliding(spawnPosition, 10.0f, true, &colliding, 2, nil, false, true, true, false, false);
if (colliding)
/* If something is already present in spawn position, do not create vehicle*/
return;
if (!ThePaths.TestCoorsCloseness(vecTargetPos, false, spawnPosition))
/* Testing if spawn position can reach target position via valid path. */
return;
int16 idInNode = 0;
CPathNode* pCurNode = &ThePaths.m_pathNodes[curNodeId];
CPathNode* pNextNode = &ThePaths.m_pathNodes[nextNodeId];
while (idInNode < pCurNode->numLinks &&
ThePaths.m_connections[idInNode + pCurNode->firstLink] != nextNodeId)
idInNode++;
int16 connectionId = ThePaths.m_carPathConnections[idInNode + pCurNode->firstLink];
CCarPathLink* pPathLink = &ThePaths.m_carPathLinks[connectionId];
int16 lanesOnCurrentRoad = pPathLink->pathNodeIndex == nextNodeId ? pPathLink->numLeftLanes : pPathLink->numRightLanes;
CVehicleModelInfo* pModelInfo = (CVehicleModelInfo*)CModelInfo::GetModelInfo(carModel);
if (lanesOnCurrentRoad == 0 || pModelInfo->m_vehicleType == VEHICLE_TYPE_BIKE)
/* Not spawning vehicle if road is one way and intended direction is opposide to that way. */
/* Also not spawning bikes but they don't exist in final game. */
return;
CAutomobile* pCar = new CAutomobile(carModel, RANDOM_VEHICLE);
pCar->AutoPilot.m_nPrevRouteNode = 0;
pCar->AutoPilot.m_nCurrentRouteNode = curNodeId;
pCar->AutoPilot.m_nNextRouteNode = nextNodeId;
switch (carClass) {
case POOR:
case RICH:
case EXEC:
case WORKER:
case SPECIAL:
case BIG:
case TAXI:
case MAFIA:
case TRIAD:
case DIABLO:
case YAKUZA:
case YARDIE:
case COLOMB:
case NINES:
case GANG8:
case GANG9:
{
pCar->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(9, 14);
if (carClass == EXEC)
pCar->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(12, 18);
else if (carClass == POOR || carClass == SPECIAL)
pCar->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(7, 10);
CVehicleModelInfo* pVehicleInfo = (CVehicleModelInfo*)CModelInfo::GetModelInfo(pCar->GetModelIndex());
if (pVehicleInfo->GetColModel()->boundingBox.max.y - pVehicleInfo->GetColModel()->boundingBox.min.y > 10.0f || carClass == BIG) {
pCar->AutoPilot.m_nCruiseSpeed *= 3;
pCar->AutoPilot.m_nCruiseSpeed /= 4;
}
pCar->AutoPilot.m_fMaxTrafficSpeed = pCar->AutoPilot.m_nCruiseSpeed;
pCar->AutoPilot.m_nCarMission = MISSION_CRUISE;
pCar->AutoPilot.m_nTempAction = TEMPACT_NONE;
pCar->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_STOP_FOR_CARS;
break;
}
case COPS:
pCar->AutoPilot.m_nTempAction = TEMPACT_NONE;
if (CWorld::Players[CWorld::PlayerInFocus].m_pPed->m_pWanted->m_nWantedLevel != 0){
pCar->AutoPilot.m_nCruiseSpeed = CCarAI::FindPoliceCarSpeedForWantedLevel(pCar);
pCar->AutoPilot.m_fMaxTrafficSpeed = pCar->AutoPilot.m_nCruiseSpeed / 2;
pCar->AutoPilot.m_nCarMission = CCarAI::FindPoliceCarMissionForWantedLevel();
pCar->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
}else{
pCar->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(12, 16);
pCar->AutoPilot.m_fMaxTrafficSpeed = pCar->AutoPilot.m_nCruiseSpeed;
pCar->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_STOP_FOR_CARS;
pCar->AutoPilot.m_nCarMission = MISSION_CRUISE;
}
if (carModel == MI_FBICAR){
pCar->m_currentColour1 = 0;
pCar->m_currentColour2 = 0;
/* FBI cars are gray in carcols, but we want them black if they going after player. */
}
default:
break;
}
if (pCar && pCar->GetModelIndex() == MI_MRWHOOP)
pCar->m_bSirenOrAlarm = true;
pCar->AutoPilot.m_nNextPathNodeInfo = connectionId;
pCar->AutoPilot.m_nNextLane = pCar->AutoPilot.m_nCurrentLane = CGeneral::GetRandomNumber() % lanesOnCurrentRoad;
CColBox* boundingBox = &CModelInfo::GetModelInfo(pCar->GetModelIndex())->GetColModel()->boundingBox;
float carLength = 1.0f + (boundingBox->max.y - boundingBox->min.y) / 2;
float distanceBetweenNodes = (pCurNode->pos - pNextNode->pos).Magnitude2D();
/* If car is so long that it doesn't fit between two car nodes, place it directly in the middle. */
/* Otherwise put it at least in a way that full vehicle length fits between two nodes. */
if (distanceBetweenNodes / 2 < carLength)
positionBetweenNodes = 0.5f;
else
positionBetweenNodes = min(1.0f - carLength / distanceBetweenNodes, max(carLength / distanceBetweenNodes, positionBetweenNodes));
pCar->AutoPilot.m_nNextDirection = (curNodeId >= nextNodeId) ? 1 : -1;
if (pCurNode->numLinks == 1){
/* Do not create vehicle if there is nowhere to go. */
delete pCar;
return;
}
int16 nextConnection = pCar->AutoPilot.m_nNextPathNodeInfo;
int16 newLink;
while (nextConnection == pCar->AutoPilot.m_nNextPathNodeInfo){
newLink = CGeneral::GetRandomNumber() % pCurNode->numLinks;
nextConnection = ThePaths.m_carPathConnections[newLink + pCurNode->firstLink];
}
pCar->AutoPilot.m_nCurrentPathNodeInfo = nextConnection;
pCar->AutoPilot.m_nCurrentDirection = (ThePaths.m_connections[newLink + pCurNode->firstLink] >= curNodeId) ? 1 : -1;
CVector2D vecBetweenNodes = pNextNode->pos - pCurNode->pos;
float forwardX, forwardY;
float distBetweenNodes = vecBetweenNodes.Magnitude();
if (distanceBetweenNodes == 0.0f){
forwardX = 1.0f;
forwardY = 0.0f;
}else{
forwardX = vecBetweenNodes.x / distBetweenNodes;
forwardY = vecBetweenNodes.y / distBetweenNodes;
}
/* I think the following might be some form of SetRotateZOnly. */
/* Setting up direction between two car nodes. */
pCar->GetForward() = CVector(forwardX, forwardY, 0.0f);
pCar->GetRight() = CVector(forwardY, -forwardX, 0.0f);
pCar->GetUp() = CVector(0.0f, 0.0f, 1.0f);
float currentPathLinkForwardX = pCar->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pCar->AutoPilot.m_nCurrentPathNodeInfo].dirX;
float currentPathLinkForwardY = pCar->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pCar->AutoPilot.m_nCurrentPathNodeInfo].dirY;
float nextPathLinkForwardX = pCar->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pCar->AutoPilot.m_nNextPathNodeInfo].dirX;
float nextPathLinkForwardY = pCar->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pCar->AutoPilot.m_nNextPathNodeInfo].dirY;
CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[pCar->AutoPilot.m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[pCar->AutoPilot.m_nNextPathNodeInfo];
CVector positionOnCurrentLinkIncludingLane(
pCurrentLink->posX + GetOffsetOfLaneFromCenterOfRoad(pCar->AutoPilot.m_nCurrentLane, pCurrentLink) * currentPathLinkForwardY,
pCurrentLink->posY - GetOffsetOfLaneFromCenterOfRoad(pCar->AutoPilot.m_nCurrentLane, pCurrentLink) * currentPathLinkForwardX,
0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->posX + GetOffsetOfLaneFromCenterOfRoad(pCar->AutoPilot.m_nNextLane, pNextLink) * nextPathLinkForwardY,
pNextLink->posY - GetOffsetOfLaneFromCenterOfRoad(pCar->AutoPilot.m_nNextLane, pNextLink) * nextPathLinkForwardX,
0.0f);
float directionCurrentLinkX = pCurrentLink->dirX * pCar->AutoPilot.m_nCurrentDirection;
float directionCurrentLinkY = pCurrentLink->dirY * pCar->AutoPilot.m_nCurrentDirection;
float directionNextLinkX = pNextLink->dirX * pCar->AutoPilot.m_nNextDirection;
float directionNextLinkY = pNextLink->dirY * pCar->AutoPilot.m_nNextDirection;
/* We want to make a path between two links that may not have the same forward directions a curve. */
pCar->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
) * (1000.0f / pCar->AutoPilot.m_fMaxTrafficSpeed);
#ifdef FIX_BUGS
/* Casting timer to float is very unwanted. In this case it's not awful */
/* but in CAutoPilot::ModifySpeed it can even cause crashes (see SilentPatch). */
pCar->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(uint32)((0.5f + positionBetweenNodes) * pCar->AutoPilot.m_nTimeToSpendOnCurrentCurve);
#else
pCar->AutoPilot.m_nTotalSpeedScaleFactor = CTimer::GetTimeInMilliseconds() -
(0.5f + positionBetweenNodes) * pCar->AutoPilot.m_nSpeedScaleFactor;
#endif
CVector directionCurrentLink(directionCurrentLinkX, directionCurrentLinkY, 0.0f);
CVector directionNextLink(directionNextLinkX, directionNextLinkY, 0.0f);
CVector positionIncludingCurve;
CVector directionIncludingCurve;
CCurves::CalcCurvePoint(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
&directionCurrentLink,
&directionNextLink,
GetPositionAlongCurrentCurve(pCar),
pCar->AutoPilot.m_nTimeToSpendOnCurrentCurve,
&positionIncludingCurve,
&directionIncludingCurve
);
CVector vectorBetweenNodes = pCurNode->pos - pNextNode->pos;
CVector finalPosition = positionIncludingCurve + vectorBetweenNodes * 2.0f / vectorBetweenNodes.Magnitude();
finalPosition.z = positionBetweenNodes * pNextNode->pos.z +
(1.0f - positionBetweenNodes) * pCurNode->pos.z;
float groundZ = INFINITE_Z;
CColPoint colPoint;
CEntity* pEntity;
if (CWorld::ProcessVerticalLine(finalPosition, 1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil))
groundZ = colPoint.point.z;
if (CWorld::ProcessVerticalLine(finalPosition, -1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil)){
if (ABS(colPoint.point.z - finalPosition.z) < ABS(groundZ - finalPosition.z))
groundZ = colPoint.point.z;
}
if (groundZ == INFINITE_Z || ABS(groundZ - finalPosition.z) > 7.0f) {
/* Failed to find ground or too far from expected position. */
delete pCar;
return;
}
finalPosition.z = groundZ + pCar->GetHeightAboveRoad();
pCar->GetPosition() = finalPosition;
pCar->SetMoveSpeed(directionIncludingCurve / 60.0f);
CVector2D speedDifferenceWithTarget = (CVector2D)pCar->GetMoveSpeed() - vecPlayerSpeed;
CVector2D distanceToTarget = positionIncludingCurve - vecTargetPos;
switch (carClass) {
case POOR:
case RICH:
case EXEC:
case WORKER:
case SPECIAL:
case BIG:
case TAXI:
case MAFIA:
case TRIAD:
case DIABLO:
case YAKUZA:
case YARDIE:
case COLOMB:
case NINES:
case GANG8:
case GANG9:
pCar->m_status = STATUS_SIMPLE;
break;
case COPS:
pCar->m_status = (pCar->AutoPilot.m_nCarMission == MISSION_CRUISE) ? STATUS_SIMPLE : STATUS_PHYSICS;
pCar->ChangeLawEnforcerState(1);
break;
default:
break;
}
CVisibilityPlugins::SetClumpAlpha(pCar->GetClump(), 0);
if (!pCar->GetIsOnScreen()){
if ((vecTargetPos - pCar->GetPosition()).Magnitude2D() > 50.0f) {
/* Too far away cars that are not visible aren't needed. */
delete pCar;
return;
}
}else if((vecTargetPos - pCar->GetPosition()).Magnitude2D() > TheCamera.GenerationDistMultiplier * 130.0f ||
(vecTargetPos - pCar->GetPosition()).Magnitude2D() < TheCamera.GenerationDistMultiplier * 110.0f){
delete pCar;
return;
}else if((TheCamera.GetPosition() - pCar->GetPosition()).Magnitude2D() < 90.0f * TheCamera.GenerationDistMultiplier){
delete pCar;
return;
}
CVehicleModelInfo* pVehicleModel = (CVehicleModelInfo*)CModelInfo::GetModelInfo(pCar->GetModelIndex());
float radiusToTest = pVehicleModel->GetColModel()->boundingSphere.radius;
if (testForCollision){
CWorld::FindObjectsKindaColliding(pCar->GetPosition(), radiusToTest + 20.0f, true, &colliding, 2, nil, false, true, false, false, false);
if (colliding){
delete pCar;
return;
}
}
CWorld::FindObjectsKindaColliding(pCar->GetPosition(), radiusToTest, true, &colliding, 2, nil, false, true, false, false, false);
if (colliding){
delete pCar;
return;
}
if (speedDifferenceWithTarget.x * distanceToTarget.x +
speedDifferenceWithTarget.y * distanceToTarget.y >= 0.0f){
delete pCar;
return;
}
pVehicleModel->AvoidSameVehicleColour(&pCar->m_currentColour1, &pCar->m_currentColour2);
CWorld::Add(pCar);
if (carClass == COPS)
CCarAI::AddPoliceOccupants(pCar);
else
pCar->SetUpDriver();
if ((CGeneral::GetRandomNumber() & 0x3F) == 0){ /* 1/64 probability */
pCar->m_status = STATUS_PHYSICS;
pCar->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
pCar->AutoPilot.m_nCruiseSpeed += 10;
}
if (carClass == COPS)
LastTimeLawEnforcerCreated = CTimer::GetTimeInMilliseconds();
}
int32
CCarCtrl::ChooseModel(CZoneInfo* pZone, CVector* pPos, int* pClass) {
int32 model = -1;;
while (model == -1 || !CStreaming::HasModelLoaded(model)){
int rnd = CGeneral::GetRandomNumberInRange(0, 1000);
if (rnd < pZone->carThreshold[0])
model = CCarCtrl::ChooseCarModel((*pClass = POOR));
else if (rnd < pZone->carThreshold[1])
model = CCarCtrl::ChooseCarModel((*pClass = RICH));
else if (rnd < pZone->carThreshold[2])
model = CCarCtrl::ChooseCarModel((*pClass = EXEC));
else if (rnd < pZone->carThreshold[3])
model = CCarCtrl::ChooseCarModel((*pClass = WORKER));
else if (rnd < pZone->carThreshold[4])
model = CCarCtrl::ChooseCarModel((*pClass = SPECIAL));
else if (rnd < pZone->carThreshold[5])
model = CCarCtrl::ChooseCarModel((*pClass = BIG));
else if (rnd < pZone->copThreshold)
*pClass = COPS, model = CCarCtrl::ChoosePoliceCarModel();
else if (rnd < pZone->gangThreshold[0])
model = CCarCtrl::ChooseGangCarModel((*pClass = MAFIA) - MAFIA);
else if (rnd < pZone->gangThreshold[1])
model = CCarCtrl::ChooseGangCarModel((*pClass = TRIAD) - MAFIA);
else if (rnd < pZone->gangThreshold[2])
model = CCarCtrl::ChooseGangCarModel((*pClass = DIABLO) - MAFIA);
else if (rnd < pZone->gangThreshold[3])
model = CCarCtrl::ChooseGangCarModel((*pClass = YAKUZA) - MAFIA);
else if (rnd < pZone->gangThreshold[4])
model = CCarCtrl::ChooseGangCarModel((*pClass = YARDIE) - MAFIA);
else if (rnd < pZone->gangThreshold[5])
model = CCarCtrl::ChooseGangCarModel((*pClass = COLOMB) - MAFIA);
else if (rnd < pZone->gangThreshold[6])
model = CCarCtrl::ChooseGangCarModel((*pClass = NINES) - MAFIA);
else if (rnd < pZone->gangThreshold[7])
model = CCarCtrl::ChooseGangCarModel((*pClass = GANG8) - MAFIA);
else if (rnd < pZone->gangThreshold[8])
model = CCarCtrl::ChooseGangCarModel((*pClass = GANG9) - MAFIA);
else
model = CCarCtrl::ChooseCarModel((*pClass = TAXI));
}
return model;
}
int32
CCarCtrl::ChooseCarModel(int32 vehclass)
{
int32 model = -1;
switch (vehclass) {
case POOR:
case RICH:
case EXEC:
case WORKER:
case SPECIAL:
case BIG:
case TAXI:
{
if (TotalNumOfCarsOfRating[vehclass] == 0)
debug("ChooseCarModel : No cars of type %d have been declared\n");
model = CarArrays[vehclass][NextCarOfRating[vehclass]];
int32 total = TotalNumOfCarsOfRating[vehclass];
NextCarOfRating[vehclass] += 1 + CGeneral::GetRandomNumberInRange(0, total - 1);
while (NextCarOfRating[vehclass] >= total)
NextCarOfRating[vehclass] -= total;
//NextCarOfRating[vehclass] %= total;
TotalNumOfCarsOfRating[vehclass] = total; /* why... */
}
default:
break;
}
return model;
}
int32
CCarCtrl::ChoosePoliceCarModel(void)
{
if (FindPlayerPed()->m_pWanted->AreSwatRequired() &&
CStreaming::HasModelLoaded(MI_ENFORCER) &&
CStreaming::HasModelLoaded(MI_POLICE))
return ((CGeneral::GetRandomNumber() & 0xF) == 0) ? MI_ENFORCER : MI_POLICE;
if (FindPlayerPed()->m_pWanted->AreFbiRequired() &&
CStreaming::HasModelLoaded(MI_FBICAR) &&
CStreaming::HasModelLoaded(MI_FBI))
return MI_FBICAR;
if (FindPlayerPed()->m_pWanted->AreArmyRequired() &&
CStreaming::HasModelLoaded(MI_RHINO) &&
CStreaming::HasModelLoaded(MI_BARRACKS) &&
CStreaming::HasModelLoaded(MI_RHINO))
return CGeneral::GetRandomTrueFalse() ? MI_BARRACKS : MI_RHINO;
return MI_POLICE;
}
int32
CCarCtrl::ChooseGangCarModel(int32 gang)
{
if (CStreaming::HasModelLoaded(MI_GANG01 + 2 * gang) &&
CStreaming::HasModelLoaded(MI_GANG02 + 2 * gang))
return CGangs::GetGangVehicleModel(gang);
return -1;
}
void
CCarCtrl::AddToCarArray(int32 id, int32 vehclass)
{
CarArrays[vehclass][TotalNumOfCarsOfRating[vehclass]++] = id;
}
void
CCarCtrl::RemoveDistantCars()
{
uint32 i = CPools::GetVehiclePool()->GetSize();
while (--i){
CVehicle* pVehicle = CPools::GetVehiclePool()->GetSlot(i);
if (!pVehicle)
continue;
PossiblyRemoveVehicle(pVehicle);
if (pVehicle->bCreateRoadBlockPeds){
if ((pVehicle->GetPosition() - FindPlayerCentreOfWorld(CWorld::PlayerInFocus)).Magnitude2D() < DISTANCE_TO_SPAWN_ROADBLOCK_PEDS) {
CRoadBlocks::GenerateRoadBlockCopsForCar(pVehicle, pVehicle->m_nRoadblockType, pVehicle->m_nRoadblockNode);
pVehicle->bCreateRoadBlockPeds = false;
}
}
}
}
void
CCarCtrl::PossiblyRemoveVehicle(CVehicle* pVehicle)
{
CVector vecPlayerPos = FindPlayerCentreOfWorld(CWorld::PlayerInFocus);
/* BUG: this variable is initialized only in if-block below but can be used outside of it. */
if (!IsThisVehicleInteresting(pVehicle) && !pVehicle->bIsLocked &&
pVehicle->CanBeDeleted() && !CCranes::IsThisCarBeingTargettedByAnyCrane(pVehicle)){
if (pVehicle->bFadeOut && CVisibilityPlugins::GetClumpAlpha(pVehicle->GetClump()) == 0){
CWorld::Remove(pVehicle);
delete pVehicle;
return;
}
float distanceToPlayer = (pVehicle->GetPosition() - vecPlayerPos).Magnitude2D();
float threshold = 50.0f;
if (pVehicle->GetIsOnScreen() ||
TheCamera.Cams[TheCamera.ActiveCam].LookingLeft ||
TheCamera.Cams[TheCamera.ActiveCam].LookingRight ||
TheCamera.Cams[TheCamera.ActiveCam].LookingBehind ||
TheCamera.GetLookDirection() == 0 ||
pVehicle->VehicleCreatedBy == PARKED_VEHICLE ||
pVehicle->GetModelIndex() == MI_AMBULAN ||
pVehicle->GetModelIndex() == MI_FIRETRUCK ||
pVehicle->bIsLawEnforcer ||
pVehicle->bIsCarParkVehicle
){
threshold = 130.0f * TheCamera.GenerationDistMultiplier;
}
if (pVehicle->bExtendedRange)
threshold *= 1.5f;
if (distanceToPlayer > threshold && !CGarages::IsPointWithinHideOutGarage(&pVehicle->GetPosition())){
if (pVehicle->GetIsOnScreen() && CRenderer::IsEntityCullZoneVisible(pVehicle)){
pVehicle->bFadeOut = true;
}else{
CWorld::Remove(pVehicle);
delete pVehicle;
}
return;
}
}
if ((pVehicle->m_status == STATUS_SIMPLE || pVehicle->m_status == STATUS_PHYSICS && pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS) &&
CTimer::GetTimeInMilliseconds() - pVehicle->AutoPilot.m_nTimeToStartMission > 5000 &&
!pVehicle->GetIsOnScreen() &&
(pVehicle->GetPosition() - vecPlayerPos).Magnitude2D() > 25.0f &&
!IsThisVehicleInteresting(pVehicle) &&
!pVehicle->bIsLocked &&
!CTrafficLights::ShouldCarStopForLight(pVehicle, true) &&
!CTrafficLights::ShouldCarStopForBridge(pVehicle) &&
!CGarages::IsPointWithinHideOutGarage(&pVehicle->GetPosition())){
CWorld::Remove(pVehicle);
delete pVehicle;
return;
}
if (pVehicle->m_status != STATUS_WRECKED || pVehicle->m_nTimeOfDeath == 0)
return;
if (CTimer::GetTimeInMilliseconds() > pVehicle->m_nTimeOfDeath + 60000 &&
(!pVehicle->GetIsOnScreen() || !CRenderer::IsEntityCullZoneVisible(pVehicle))){
if ((pVehicle->GetPosition() - vecPlayerPos).MagnitudeSqr() > SQR(7.5f)){
if (!CGarages::IsPointWithinHideOutGarage(&pVehicle->GetPosition())){
CWorld::Remove(pVehicle);
delete pVehicle;
}
}
}
}
int32
CCarCtrl::CountCarsOfType(int32 mi)
{
int32 total = 0;
uint32 i = CPools::GetVehiclePool()->GetSize();
while (i--){
CVehicle* pVehicle = CPools::GetVehiclePool()->GetSlot(i);
if (!pVehicle)
continue;
if (pVehicle->GetModelIndex() == mi)
total++;
}
return total;
}
bool
CCarCtrl::IsThisVehicleInteresting(CVehicle* pVehicle)
{
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
if (apCarsToKeep[i] == pVehicle)
return true;
}
return false;
}
void
CCarCtrl::UpdateCarOnRails(CVehicle* pVehicle)
{
if (pVehicle->AutoPilot.m_nTempAction == TEMPACT_WAIT){
pVehicle->SetMoveSpeed(0.0f, 0.0f, 0.0f);
pVehicle->AutoPilot.ModifySpeed(0.0f);
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTempAction){
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
pVehicle->AutoPilot.m_nAntiReverseTimer = 0;
pVehicle->AutoPilot.m_nTimeToStartMission = 0;
}
return;
}
SlowCarOnRailsDownForTrafficAndLights(pVehicle);
if (pVehicle->AutoPilot.m_nTimeEnteredCurve + pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve <= CTimer::GetTimeInMilliseconds())
PickNextNodeAccordingStrategy(pVehicle);
if (pVehicle->m_status == STATUS_PHYSICS)
return;
CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
float currentPathLinkForwardX = pCurrentLink->dirX * pVehicle->AutoPilot.m_nCurrentDirection;
float currentPathLinkForwardY = pCurrentLink->dirY * pVehicle->AutoPilot.m_nCurrentDirection;
float nextPathLinkForwardX = pNextLink->dirX * pVehicle->AutoPilot.m_nNextDirection;
float nextPathLinkForwardY = pNextLink->dirY * pVehicle->AutoPilot.m_nNextDirection;
CVector positionOnCurrentLinkIncludingLane(
pCurrentLink->posX + GetOffsetOfLaneFromCenterOfRoad(pVehicle->AutoPilot.m_nCurrentLane, pCurrentLink) * currentPathLinkForwardY,
pCurrentLink->posY - GetOffsetOfLaneFromCenterOfRoad(pVehicle->AutoPilot.m_nCurrentLane, pCurrentLink) * currentPathLinkForwardX,
0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->posX + GetOffsetOfLaneFromCenterOfRoad(pVehicle->AutoPilot.m_nNextLane, pNextLink) * nextPathLinkForwardY,
pNextLink->posY - GetOffsetOfLaneFromCenterOfRoad(pVehicle->AutoPilot.m_nNextLane, pNextLink) * nextPathLinkForwardX,
0.0f);
CVector directionCurrentLink(currentPathLinkForwardX, currentPathLinkForwardY, 0.0f);
CVector directionNextLink(nextPathLinkForwardX, nextPathLinkForwardY, 0.0f);
CVector positionIncludingCurve;
CVector directionIncludingCurve;
CCurves::CalcCurvePoint(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
&directionCurrentLink,
&directionNextLink,
GetPositionAlongCurrentCurve(pVehicle),
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve,
&positionIncludingCurve,
&directionIncludingCurve
);
positionIncludingCurve.z = 15.0f;
DragCarToPoint(pVehicle, &positionIncludingCurve);
pVehicle->SetMoveSpeed(directionIncludingCurve / 60.0f);
}
float
CCarCtrl::FindMaximumSpeedForThisCarInTraffic(CVehicle* pVehicle)
{
if (pVehicle->AutoPilot.m_nDrivingStyle == MISSION_RAMPLAYER_FARAWAY ||
pVehicle->AutoPilot.m_nDrivingStyle == MISSION_RAMPLAYER_CLOSE)
return pVehicle->AutoPilot.m_nCruiseSpeed;
float left = pVehicle->GetPosition().x - DISTANCE_TO_SCAN_FOR_DANGER;
float right = pVehicle->GetPosition().x + DISTANCE_TO_SCAN_FOR_DANGER;
float top = pVehicle->GetPosition().y - DISTANCE_TO_SCAN_FOR_DANGER;
float bottom = pVehicle->GetPosition().y + DISTANCE_TO_SCAN_FOR_DANGER;
int xstart = max(0, CWorld::GetSectorIndexX(left));
int xend = min(NUMSECTORS_X - 1, CWorld::GetSectorIndexX(right));
int ystart = max(0, CWorld::GetSectorIndexY(top));
int yend = min(NUMSECTORS_Y - 1, CWorld::GetSectorIndexY(bottom));
assert(xstart <= xend);
assert(ystart <= yend);
float maxSpeed = pVehicle->AutoPilot.m_nCruiseSpeed;
CWorld::AdvanceCurrentScanCode();
for (int y = ystart; y <= yend; y++){
for (int x = xstart; x <= xend; x++){
CSector* s = CWorld::GetSector(x, y);
SlowCarDownForCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
SlowCarDownForCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES_OVERLAP], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS_OVERLAP], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
}
}
pVehicle->bWarnedPeds = true;
if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS)
return maxSpeed;
return (maxSpeed + pVehicle->AutoPilot.m_nDrivingStyle) / 2;
}
void
CCarCtrl::ScanForPedDanger(CVehicle* pVehicle)
{
bool storedSlowDownFlag = pVehicle->AutoPilot.m_bSlowedDownBecauseOfPeds;
float left = pVehicle->GetPosition().x - DISTANCE_TO_SCAN_FOR_DANGER;
float right = pVehicle->GetPosition().x + DISTANCE_TO_SCAN_FOR_DANGER;
float top = pVehicle->GetPosition().y - DISTANCE_TO_SCAN_FOR_DANGER;
float bottom = pVehicle->GetPosition().y + DISTANCE_TO_SCAN_FOR_DANGER;
int xstart = max(0, CWorld::GetSectorIndexX(left));
int xend = min(NUMSECTORS_X - 1, CWorld::GetSectorIndexX(right));
int ystart = max(0, CWorld::GetSectorIndexY(top));
int yend = min(NUMSECTORS_Y - 1, CWorld::GetSectorIndexY(bottom));
assert(xstart <= xend);
assert(ystart <= yend);
float maxSpeed = pVehicle->AutoPilot.m_nCruiseSpeed;
CWorld::AdvanceCurrentScanCode();
for (int y = ystart; y <= yend; y++) {
for (int x = xstart; x <= xend; x++) {
CSector* s = CWorld::GetSector(x, y);
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS_OVERLAP], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.m_nCruiseSpeed);
}
}
pVehicle->bWarnedPeds = true;
pVehicle->AutoPilot.m_bSlowedDownBecauseOfPeds = storedSlowDownFlag;
}
void
CCarCtrl::SlowCarOnRailsDownForTrafficAndLights(CVehicle* pVehicle)
{
float maxSpeed;
if (CTrafficLights::ShouldCarStopForLight(pVehicle, false) || CTrafficLights::ShouldCarStopForBridge(pVehicle)){
CCarAI::CarHasReasonToStop(pVehicle);
maxSpeed = 0.0f;
}else{
maxSpeed = FindMaximumSpeedForThisCarInTraffic(pVehicle);
}
float curSpeed = pVehicle->AutoPilot.m_fMaxTrafficSpeed;
if (maxSpeed >= curSpeed){
if (maxSpeed > curSpeed)
pVehicle->AutoPilot.ModifySpeed(min(maxSpeed, curSpeed + 0.05f * CTimer::GetTimeStep()));
}else{
if (curSpeed == 0.0f)
return;
if (curSpeed >= 0.1f)
pVehicle->AutoPilot.ModifySpeed(max(maxSpeed, curSpeed - 0.5f * CTimer::GetTimeStep()));
else if (curSpeed != 0.0f) /* no need to check */
pVehicle->AutoPilot.ModifySpeed(0.0f);
}
}
bool
CCarCtrl::MapCouldMoveInThisArea(float x, float y)
{
// bridge moves up and down
return x > -342.0f && x < -219.0f &&
y > -677.0f && y < -580.0f;
}
STARTPATCHES
InjectHook(0x416580, &CCarCtrl::GenerateRandomCars, PATCH_JUMP);
InjectHook(0x417EC0, &CCarCtrl::ChooseModel, PATCH_JUMP);
InjectHook(0x418320, &CCarCtrl::RemoveDistantCars, PATCH_JUMP);
InjectHook(0x418430, &CCarCtrl::PossiblyRemoveVehicle, PATCH_JUMP);
InjectHook(0x418C10, &CCarCtrl::FindMaximumSpeedForThisCarInTraffic, PATCH_JUMP);
ENDPATCHES
