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re3/src/control/CarCtrl.cpp

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#include "common.h"
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#include "CarCtrl.h"
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#include "Accident.h"
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#include "Automobile.h"
#include "Bike.h"
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#include "Camera.h"
#include "CarAI.h"
#include "CarGen.h"
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#include "Cranes.h"
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#include "Curves.h"
#include "CutsceneMgr.h"
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#include "Gangs.h"
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#include "Game.h"
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#include "Garages.h"
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#include "General.h"
#include "IniFile.h"
#include "ModelIndices.h"
#include "PathFind.h"
#include "Ped.h"
#include "PlayerInfo.h"
#include "PlayerPed.h"
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#include "Population.h"
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#include "Wanted.h"
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#include "Pools.h"
#include "Renderer.h"
#include "RoadBlocks.h"
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#include "Timer.h"
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#include "TrafficLights.h"
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#include "Streaming.h"
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#include "VisibilityPlugins.h"
#include "Vehicle.h"
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#include "Fire.h"
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#include "WaterLevel.h"
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#include "World.h"
#include "Zones.h"
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#define DISTANCE_TO_SPAWN_ROADBLOCK_PEDS (51.0f)
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#define DISTANCE_TO_SCAN_FOR_DANGER (14.0f)
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#define DISTANCE_TO_SCAN_FOR_PED_DANGER (11.0f)
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#define SAFE_DISTANCE_TO_PED (3.0f)
#define INFINITE_Z (1000000000.0f)
#define VEHICLE_HEIGHT_DIFF_TO_CONSIDER_WEAVING (4.0f)
#define PED_HEIGHT_DIFF_TO_CONSIDER_WEAVING (4.0f)
#define OBJECT_HEIGHT_DIFF_TO_CONSIDER_WEAVING (8.0f)
#define WIDTH_COEF_TO_WEAVE_SAFELY (1.2f)
#define OBJECT_WIDTH_TO_WEAVE (0.3f)
#define PED_WIDTH_TO_WEAVE (0.8f)
#define PATH_DIRECTION_NONE (0)
#define PATH_DIRECTION_STRAIGHT (1)
#define PATH_DIRECTION_RIGHT (2)
#define PATH_DIRECTION_LEFT (4)
#define ATTEMPTS_TO_FIND_NEXT_NODE (15)
#define DISTANCE_TO_SWITCH_FROM_BLOCK_TO_STOP (5.0f)
#define DISTANCE_TO_SWITCH_FROM_STOP_TO_BLOCK (10.0f)
#define MAX_SPEED_TO_ACCOUNT_IN_INTERCEPTING (0.13f)
#define DISTANCE_TO_NEXT_NODE_TO_CONSIDER_SLOWING_DOWN (40.0f)
#define MAX_ANGLE_TO_STEER_AT_HIGH_SPEED (0.2f)
#define MIN_SPEED_TO_START_LIMITING_STEER (0.45f)
#define DISTANCE_TO_NEXT_NODE_TO_SELECT_NEW (5.0f)
#define DISTANCE_TO_FACING_NEXT_NODE_TO_SELECT_NEW (8.0f)
#define DEFAULT_MAX_STEER_ANGLE (0.5f)
#define MIN_LOWERING_SPEED_COEFFICIENT (0.4f)
#define MAX_ANGLE_FOR_SPEED_LIMITING (1.2f)
#define MIN_ANGLE_FOR_SPEED_LIMITING (0.4f)
#define MIN_ANGLE_FOR_SPEED_LIMITING_BETWEEN_NODES (0.1f)
#define MIN_ANGLE_TO_APPLY_HANDBRAKE (0.7f)
#define MIN_SPEED_TO_APPLY_HANDBRAKE (0.3f)
#define PROBABILITY_OF_DEAD_PED_ACCIDENT (0.005f)
#define DISTANCE_BETWEEN_CAR_AND_DEAD_PED (6.0f)
#define PROBABILITY_OF_PASSENGER_IN_VEHICLE (0.125f)
#define ONSCREEN_DESPAWN_RANGE (120.0f)
#define MINIMAL_DISTANCE_TO_SPAWN_ONSCREEN (100.0f)
#define REQUEST_ONSCREEN_DISTANCE ((ONSCREEN_DESPAWN_RANGE + MINIMAL_DISTANCE_TO_SPAWN_ONSCREEN) / 2)
#define OFFSCREEN_DESPAWN_RANGE (40.0f)
#define EXTENDED_RANGE_DESPAWN_MULTIPLIER (1.5f)
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//--MIAMI: file done
bool CCarCtrl::bMadDriversCheat;
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int CCarCtrl::NumLawEnforcerCars;
int CCarCtrl::NumAmbulancesOnDuty;
int CCarCtrl::NumFiretrucksOnDuty;
bool CCarCtrl::bCarsGeneratedAroundCamera;
float CCarCtrl::CarDensityMultiplier = 1.0f;
int32 CCarCtrl::NumMissionCars;
int32 CCarCtrl::NumRandomCars;
int32 CCarCtrl::NumParkedCars;
int32 CCarCtrl::NumPermanentCars;
int8 CCarCtrl::CountDownToCarsAtStart;
int32 CCarCtrl::MaxNumberOfCarsInUse = 12;
uint32 CCarCtrl::LastTimeLawEnforcerCreated;
uint32 CCarCtrl::LastTimeFireTruckCreated;
uint32 CCarCtrl::LastTimeAmbulanceCreated;
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int32 CCarCtrl::MiamiViceCycle;
uint32 CCarCtrl::LastTimeMiamiViceGenerated;
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int32 CCarCtrl::TotalNumOfCarsOfRating[TOTAL_CUSTOM_CLASSES];
int32 CCarCtrl::CarArrays[TOTAL_CUSTOM_CLASSES][MAX_CAR_MODELS_IN_ARRAY];
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int32 CCarCtrl::NumRequestsOfCarRating[TOTAL_CUSTOM_CLASSES];
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int32 CCarCtrl::NumOfLoadedCarsOfRating[TOTAL_CUSTOM_CLASSES];
int32 CCarCtrl::CarFreqArrays[TOTAL_CUSTOM_CLASSES][MAX_CAR_MODELS_IN_ARRAY];
int32 CCarCtrl::LoadedCarsArray[TOTAL_CUSTOM_CLASSES][MAX_CAR_MODELS_IN_ARRAY];
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CVehicle* apCarsToKeep[MAX_CARS_TO_KEEP];
uint32 aCarsToKeepTime[MAX_CARS_TO_KEEP];
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//--MIAMI: done except heli/plane functions
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void
CCarCtrl::GenerateRandomCars()
{
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if (CCutsceneMgr::IsRunning()) {
CountDownToCarsAtStart = 2;
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return;
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}
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if (NumRandomCars < 30){
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if (CountDownToCarsAtStart == 0)
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GenerateOneRandomCar();
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else if (--CountDownToCarsAtStart == 0) {
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for (int i = 0; i < 100; i++)
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GenerateOneRandomCar();
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CTheCarGenerators::GenerateEvenIfPlayerIsCloseCounter = 20;
}
}
/* Approximately once per 4 seconds. */
if ((CTimer::GetTimeInMilliseconds() & 0xFFFFF000) != (CTimer::GetPreviousTimeInMilliseconds() & 0xFFFFF000))
GenerateEmergencyServicesCar();
}
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void
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CCarCtrl::GenerateOneRandomCar()
{
static int32 unk = 0;
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bool bTopDownCamera = false;
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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)
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return;
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if (NumFiretrucksOnDuty + NumAmbulancesOnDuty + NumParkedCars + NumMissionCars + NumLawEnforcerCars + NumRandomCars >= MaxNumberOfCarsInUse)
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return;
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CWanted* pWanted = pPlayer->m_pPed->m_pWanted;
int carClass;
int carModel;
if (pWanted->m_nWantedLevel > 1 && NumLawEnforcerCars < pWanted->m_MaximumLawEnforcerVehicles &&
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pWanted->m_CurrentCops < pWanted->m_MaxCops && !CGame::IsInInterior() && (
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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{
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carModel = ChooseModel(&zone, &carClass);
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if (carModel == -1 || (carClass == COPS && pWanted->m_nWantedLevel >= 1))
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/* 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. */
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return;
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}
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;
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bTopDownCamera = true;
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invertAngleLimitTest = true;
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preferredDistance = OFFSCREEN_DESPAWN_RANGE + 15.0f;
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/* 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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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break;
case 1:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
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preferredDistance = OFFSCREEN_DESPAWN_RANGE;
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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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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break;
case 3:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
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preferredDistance = OFFSCREEN_DESPAWN_RANGE;
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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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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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;
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preferredDistance = OFFSCREEN_DESPAWN_RANGE;
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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;
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preferredDistance = REQUEST_ONSCREEN_DISTANCE * TheCamera.GenerationDistMultiplier;
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break;
case 1:
/* Spawn a vehicle close to player to his side. */
/* Kinda not within camera angle. */
angleLimit = 0.707f; /* 45 degrees */
invertAngleLimitTest = false;
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preferredDistance = OFFSCREEN_DESPAWN_RANGE;
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break;
}
}
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if (!ThePaths.GenerateCarCreationCoors(vecTargetPos.x, vecTargetPos.y, frontX, frontY,
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preferredDistance, angleLimit, invertAngleLimitTest, &spawnPosition, &curNodeId, &nextNodeId,
&positionBetweenNodes, carClass == COPS && pWanted->m_nWantedLevel >= 1))
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return;
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CPathNode* pCurNode = &ThePaths.m_pathNodes[curNodeId];
CPathNode* pNextNode = &ThePaths.m_pathNodes[nextNodeId];
bool bBoatGenerated = false;
if ((CGeneral::GetRandomNumber() & 0xF) > Min(pCurNode->spawnRate, pNextNode->spawnRate))
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return;
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if (pCurNode->bWaterPath) {
bBoatGenerated = true;
if (carClass == COPS) {
carModel = MI_PREDATOR;
carClass = COPS_BOAT;
if (!CStreaming::HasModelLoaded(MI_PREDATOR)) {
CStreaming::RequestModel(MI_PREDATOR, STREAMFLAGS_DEPENDENCY);
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return;
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}
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}
else {
int i;
carModel = -1;
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for (i = 10; i > 0 && (carModel == -1 || !CStreaming::HasModelLoaded(carModel)); i--) {
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carModel = ChooseBoatModel(ChooseBoatRating(&zone));
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}
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if (i == 0)
return;
}
if (pCurNode->bOnlySmallBoats || pNextNode->bOnlySmallBoats) {
if (BoatWithTallMast(carModel))
return;
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}
}
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int16 colliding;
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CWorld::FindObjectsKindaColliding(spawnPosition, bBoatGenerated ? 40.0f : 10.0f, true, &colliding, 2, nil, false, true, true, false, false);
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if (colliding)
/* If something is already present in spawn position, do not create vehicle*/
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return;
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if (!bBoatGenerated && !ThePaths.TestCoorsCloseness(vecTargetPos, false, spawnPosition))
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/* Testing if spawn position can reach target position via valid path. */
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return;
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int16 idInNode = 0;
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while (idInNode < pCurNode->numLinks &&
ThePaths.ConnectedNode(idInNode + pCurNode->firstLink) != nextNodeId)
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idInNode++;
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int16 connectionId = ThePaths.m_carPathConnections[idInNode + pCurNode->firstLink];
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CCarPathLink* pPathLink = &ThePaths.m_carPathLinks[connectionId];
int16 lanesOnCurrentRoad = pPathLink->pathNodeIndex == nextNodeId ? pPathLink->numLeftLanes : pPathLink->numRightLanes;
CVehicleModelInfo* pModelInfo = (CVehicleModelInfo*)CModelInfo::GetModelInfo(carModel);
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if (lanesOnCurrentRoad == 0)
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/* Not spawning vehicle if road is one way and intended direction is opposide to that way. */
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return;
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CVehicle* pVehicle;
if (CModelInfo::IsBoatModel(carModel))
pVehicle = new CBoat(carModel, RANDOM_VEHICLE);
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else if (CModelInfo::IsBikeModel(carModel))
pVehicle = new CBike(carModel, RANDOM_VEHICLE);
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else
pVehicle = new CAutomobile(carModel, RANDOM_VEHICLE);
pVehicle->AutoPilot.m_nPrevRouteNode = 0;
pVehicle->AutoPilot.m_nCurrentRouteNode = curNodeId;
pVehicle->AutoPilot.m_nNextRouteNode = nextNodeId;
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switch (carClass) {
case COPS:
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pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
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if (CWorld::Players[CWorld::PlayerInFocus].m_pPed->m_pWanted->m_nWantedLevel != 0){
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pVehicle->AutoPilot.m_nCruiseSpeed = CCarAI::FindPoliceCarSpeedForWantedLevel(pVehicle);
pVehicle->AutoPilot.m_fMaxTrafficSpeed = pVehicle->AutoPilot.m_nCruiseSpeed / 2;
pVehicle->AutoPilot.m_nCarMission = CCarAI::FindPoliceCarMissionForWantedLevel();
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
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}else{
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pVehicle->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(12, 16);
pVehicle->AutoPilot.m_fMaxTrafficSpeed = pVehicle->AutoPilot.m_nCruiseSpeed;
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_STOP_FOR_CARS;
pVehicle->AutoPilot.m_nCarMission = MISSION_CRUISE;
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}
if (carModel == MI_FBIRANCH){
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pVehicle->m_currentColour1 = 0;
pVehicle->m_currentColour2 = 0;
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}
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pVehicle->bCreatedAsPoliceVehicle = true;
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break;
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case COPS_BOAT:
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
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pVehicle->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(4, 16);
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pVehicle->AutoPilot.m_fMaxTrafficSpeed = pVehicle->AutoPilot.m_nCruiseSpeed;
pVehicle->AutoPilot.m_nCarMission = CCarAI::FindPoliceBoatMissionForWantedLevel();
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pVehicle->bCreatedAsPoliceVehicle = true;
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break;
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default:
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pVehicle->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(9, 14);
if (carClass == EXEC)
pVehicle->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(12, 18);
else if (carClass == POOR)
pVehicle->AutoPilot.m_nCruiseSpeed = CGeneral::GetRandomNumberInRange(7, 10);
if (pVehicle->GetColModel()->boundingBox.max.y - pVehicle->GetColModel()->boundingBox.min.y > 10.0f || carClass == BIG) {
pVehicle->AutoPilot.m_nCruiseSpeed *= 3;
pVehicle->AutoPilot.m_nCruiseSpeed /= 4;
}
pVehicle->AutoPilot.m_fMaxTrafficSpeed = pVehicle->AutoPilot.m_nCruiseSpeed;
pVehicle->AutoPilot.m_nCarMission = MISSION_CRUISE;
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_STOP_FOR_CARS;
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break;
}
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if (pVehicle && pVehicle->GetModelIndex() == MI_MRWHOOP)
pVehicle->m_bSirenOrAlarm = true;
pVehicle->AutoPilot.m_nNextPathNodeInfo = connectionId;
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane = CGeneral::GetRandomNumber() % lanesOnCurrentRoad;
CBox* boundingBox = &CModelInfo::GetModelInfo(pVehicle->GetModelIndex())->GetColModel()->boundingBox;
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float carLength = 1.0f + (boundingBox->max.y - boundingBox->min.y) / 2;
float distanceBetweenNodes = (pCurNode->GetPosition() - pNextNode->GetPosition()).Magnitude2D();
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/* 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
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positionBetweenNodes = Min(1.0f - carLength / distanceBetweenNodes, Max(carLength / distanceBetweenNodes, positionBetweenNodes));
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pVehicle->AutoPilot.m_nNextDirection = (curNodeId >= nextNodeId) ? 1 : -1;
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if (pCurNode->numLinks == 1){
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/* Do not create vehicle if there is nowhere to go. */
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delete pVehicle;
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return;
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}
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int16 nextConnection = pVehicle->AutoPilot.m_nNextPathNodeInfo;
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int16 newLink;
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while (nextConnection == pVehicle->AutoPilot.m_nNextPathNodeInfo){
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newLink = CGeneral::GetRandomNumber() % pCurNode->numLinks;
nextConnection = ThePaths.m_carPathConnections[newLink + pCurNode->firstLink];
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}
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pVehicle->AutoPilot.m_nCurrentPathNodeInfo = nextConnection;
pVehicle->AutoPilot.m_nCurrentDirection = (ThePaths.ConnectedNode(newLink + pCurNode->firstLink) >= curNodeId) ? 1 : -1;
CVector2D vecBetweenNodes = pNextNode->GetPosition() - pCurNode->GetPosition();
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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. */
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pVehicle->GetForward() = CVector(forwardX, forwardY, 0.0f);
pVehicle->GetRight() = CVector(forwardY, -forwardX, 0.0f);
pVehicle->GetUp() = CVector(0.0f, 0.0f, 1.0f);
2019-08-06 21:32:19 +00:00
2020-05-09 17:21:13 +00:00
#ifdef FIX_BUGS
CCarPathLink* pCurrentLink;
CCarPathLink* pNextLink;
CVector positionOnCurrentLinkIncludingLane;
CVector positionOnNextLinkIncludingLane;
float directionCurrentLinkX;
float directionCurrentLinkY;
float directionNextLinkX;
float directionNextLinkY;
if (positionBetweenNodes < 0.5f) {
float currentPathLinkForwardX = pVehicle->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo].GetDirX();
float currentPathLinkForwardY = pVehicle->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo].GetDirY();
float nextPathLinkForwardX = pVehicle->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo].GetDirX();
float nextPathLinkForwardY = pVehicle->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo].GetDirY();
pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
positionOnCurrentLinkIncludingLane = CVector(
pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
0.0f);
positionOnNextLinkIncludingLane = CVector(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
0.0f);
directionCurrentLinkX = pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
directionCurrentLinkY = pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
/* We want to make a path between two links that may not have the same forward directions a curve. */
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
) * (1000.0f / pVehicle->AutoPilot.m_fMaxTrafficSpeed);
pVehicle->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(uint32)((0.5f + positionBetweenNodes) * pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve);
}
else {
PickNextNodeRandomly(pVehicle);
pVehicle->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(uint32)((positionBetweenNodes - 0.5f) * pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve);
float currentPathLinkForwardX = pVehicle->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo].GetDirX();
float currentPathLinkForwardY = pVehicle->AutoPilot.m_nCurrentDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo].GetDirY();
float nextPathLinkForwardX = pVehicle->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo].GetDirX();
float nextPathLinkForwardY = pVehicle->AutoPilot.m_nNextDirection * ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo].GetDirY();
pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
positionOnCurrentLinkIncludingLane = CVector(
pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
0.0f);
positionOnNextLinkIncludingLane = CVector(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
0.0f);
directionCurrentLinkX = pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
directionCurrentLinkY = pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
}
#else
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CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
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CVector positionOnCurrentLinkIncludingLane(
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pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
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pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
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float directionCurrentLinkX = pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionCurrentLinkY = pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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/* We want to make a path between two links that may not have the same forward directions a curve. */
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pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
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&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
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) * (1000.0f / pVehicle->AutoPilot.m_fMaxTrafficSpeed);
pVehicle->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(0.5f + positionBetweenNodes) * pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve;
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#endif
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CVector directionCurrentLink(directionCurrentLinkX, directionCurrentLinkY, 0.0f);
CVector directionNextLink(directionNextLinkX, directionNextLinkY, 0.0f);
CVector positionIncludingCurve;
CVector directionIncludingCurve;
CCurves::CalcCurvePoint(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
&directionCurrentLink,
&directionNextLink,
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GetPositionAlongCurrentCurve(pVehicle),
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve,
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&positionIncludingCurve,
&directionIncludingCurve
);
CVector vectorBetweenNodes = pCurNode->GetPosition() - pNextNode->GetPosition();
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CVector finalPosition = positionIncludingCurve + vectorBetweenNodes * 2.0f / vectorBetweenNodes.Magnitude();
finalPosition.z = positionBetweenNodes * pNextNode->GetZ() +
(1.0f - positionBetweenNodes) * pCurNode->GetZ();
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float groundZ = INFINITE_Z;
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CColPoint colPoint;
CEntity* pEntity;
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if (bBoatGenerated) {
if (!CWaterLevel::GetWaterLevel(finalPosition, &groundZ, true)) {
delete pVehicle;
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return;
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}
}
else {
if (CWorld::ProcessVerticalLine(finalPosition, 1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil))
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groundZ = colPoint.point.z;
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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;
}
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}
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if (groundZ == INFINITE_Z || ABS(groundZ - finalPosition.z) > 7.0f) {
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/* Failed to find ground or too far from expected position. */
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delete pVehicle;
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return;
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}
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if (CModelInfo::IsBoatModel(carModel)) {
finalPosition.z = groundZ;
pVehicle->bExtendedRange = true;
}
else
finalPosition.z = groundZ + pVehicle->GetHeightAboveRoad();
pVehicle->SetPosition(finalPosition);
pVehicle->SetMoveSpeed(directionIncludingCurve / GAME_SPEED_TO_CARAI_SPEED);
CVector2D speedDifferenceWithTarget = (CVector2D)pVehicle->GetMoveSpeed() - vecPlayerSpeed;
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CVector2D distanceToTarget = positionIncludingCurve - vecTargetPos;
switch (carClass) {
case COPS:
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pVehicle->SetStatus((pVehicle->AutoPilot.m_nCarMission == MISSION_CRUISE) ? STATUS_SIMPLE : STATUS_PHYSICS);
pVehicle->ChangeLawEnforcerState(1);
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break;
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case COPS_BOAT:
pVehicle->ChangeLawEnforcerState(1);
pVehicle->SetStatus(STATUS_PHYSICS);
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break;
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default:
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bBoatGenerated ? pVehicle->SetStatus(STATUS_PHYSICS) : pVehicle->SetStatus(STATUS_SIMPLE);
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break;
}
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CVisibilityPlugins::SetClumpAlpha(pVehicle->GetClump(), 0);
if (!pVehicle->GetIsOnScreen()){
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if ((vecTargetPos - pVehicle->GetPosition()).Magnitude2D() > OFFSCREEN_DESPAWN_RANGE * (pVehicle->bExtendedRange ? EXTENDED_RANGE_DESPAWN_MULTIPLIER : 1.0f)) {
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/* Too far away cars that are not visible aren't needed. */
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delete pVehicle;
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return;
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}
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}else{
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if ((vecTargetPos - pVehicle->GetPosition()).Magnitude2D() > TheCamera.GenerationDistMultiplier * (pVehicle->bExtendedRange ? EXTENDED_RANGE_DESPAWN_MULTIPLIER : 1.0f) * ONSCREEN_DESPAWN_RANGE ||
(vecTargetPos - pVehicle->GetPosition()).Magnitude2D() < TheCamera.GenerationDistMultiplier * MINIMAL_DISTANCE_TO_SPAWN_ONSCREEN) {
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delete pVehicle;
return;
}
if ((TheCamera.GetPosition() - pVehicle->GetPosition()).Magnitude2D() < 82.5f * TheCamera.GenerationDistMultiplier || bTopDownCamera) {
delete pVehicle;
return;
}
if (pVehicle->GetModelIndex() == MI_MARQUIS) { // so marquis can only spawn if player doesn't see it?
delete pVehicle;
return;
}
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}
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CVehicleModelInfo* pVehicleModel = pVehicle->GetModelInfo();
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float radiusToTest = pVehicleModel->GetColModel()->boundingSphere.radius;
if (testForCollision){
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CWorld::FindObjectsKindaColliding(pVehicle->GetPosition(), radiusToTest + 20.0f, true, &colliding, 2, nil, false, true, false, false, false);
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if (colliding){
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delete pVehicle;
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return;
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}
}
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CWorld::FindObjectsKindaColliding(pVehicle->GetPosition(), radiusToTest, true, &colliding, 2, nil, false, true, false, false, false);
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if (colliding){
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delete pVehicle;
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return;
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}
if (speedDifferenceWithTarget.x * distanceToTarget.x +
speedDifferenceWithTarget.y * distanceToTarget.y >= 0.0f){
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delete pVehicle;
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return;
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}
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pVehicleModel->AvoidSameVehicleColour(&pVehicle->m_currentColour1, &pVehicle->m_currentColour2);
CWorld::Add(pVehicle);
if (carClass == COPS || carClass == COPS_BOAT)
CCarAI::AddPoliceCarOccupants(pVehicle);
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else {
pVehicle->SetUpDriver();
int32 passengers = 0;
for (int i = 0; i < pVehicle->m_nNumMaxPassengers; i++)
passengers += (CGeneral::GetRandomNumberInRange(0.0f, 1.0f) < PROBABILITY_OF_PASSENGER_IN_VEHICLE) ? 1 : 0;
if (CModelInfo::IsCarModel(carModel) && (CModelInfo::GetModelInfo(carModel)->GetAnimFileIndex() == CAnimManager::GetAnimationBlockIndex("van") && passengers >= 1))
passengers = 1;
for (int i = 0; i < passengers; i++) {
CPed* pPassenger = pVehicle->SetupPassenger(i);
if (pPassenger) {
++CPopulation::ms_nTotalCarPassengerPeds;
pPassenger->bCarPassenger = true;
}
}
}
int nMadDrivers;
switch (pVehicle->GetVehicleAppearance()) {
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case VEHICLE_APPEARANCE_BIKE:
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nMadDrivers = 30;
break;
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case VEHICLE_APPEARANCE_BOAT:
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nMadDrivers = 40;
break;
default:
nMadDrivers = 6;
break;
}
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if ((CGeneral::GetRandomNumber() & 0x7F) < nMadDrivers || bMadDriversCheat) {
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pVehicle->SetStatus(STATUS_PHYSICS);
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
pVehicle->AutoPilot.m_nCruiseSpeed += 10;
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}
if (carClass == COPS)
LastTimeLawEnforcerCreated = CTimer::GetTimeInMilliseconds();
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if (pVehicle->GetModelIndex() == MI_CADDY) {
pVehicle->SetStatus(STATUS_PHYSICS);
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
}
if (carClass == COPS && pVehicle->GetModelIndex() == MI_VICECHEE) {
CVehicleModelInfo* pVehicleModel = (CVehicleModelInfo*)CModelInfo::GetModelInfo(MI_VICECHEE);
switch (MiamiViceCycle) {
case 0:
pVehicleModel->SetVehicleColour(53, 77);
break;
case 1:
pVehicleModel->SetVehicleColour(15, 77);
break;
case 2:
pVehicleModel->SetVehicleColour(41, 77);
break;
case 3:
pVehicleModel->SetVehicleColour(61, 77);
break;
default:
break;
}
}
if (CGeneral::GetRandomNumberInRange(0.0f, 1.0f) >= (1 - PROBABILITY_OF_DEAD_PED_ACCIDENT)) {
if (CModelInfo::IsCarModel(pVehicle->GetModelIndex()) && !pVehicle->bIsLawEnforcer) {
if (CPopulation::AddDeadPedInFrontOfCar(pVehicle->GetPosition() + pVehicle->GetForward() * DISTANCE_BETWEEN_CAR_AND_DEAD_PED, pVehicle)) {
pVehicle->AutoPilot.m_nCruiseSpeed = 0;
pVehicle->SetMoveSpeed(0.0f, 0.0f, 0.0f);
for (int i = 0; i < pVehicle->m_nNumPassengers; i++) {
if (pVehicle->pPassengers[i]) {
pVehicle->pPassengers[i]->SetObjective(OBJECTIVE_LEAVE_CAR, pVehicle);
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pVehicle->pPassengers[i]->m_nLastPedState = PED_WANDER_PATH;
pVehicle->pPassengers[i]->m_vehicleInAccident = pVehicle;
pVehicle->pPassengers[i]->bDeadPedInFrontOfCar = true;
pVehicle->RegisterReference((CEntity**)&pVehicle->pPassengers[i]->m_vehicleInAccident);
}
}
if (pVehicle->pDriver) {
pVehicle->pDriver->SetObjective(OBJECTIVE_LEAVE_CAR, pVehicle);
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pVehicle->pDriver->m_nLastPedState = PED_WANDER_PATH;
pVehicle->pDriver->m_vehicleInAccident = pVehicle;
pVehicle->pDriver->bDeadPedInFrontOfCar = true;
pVehicle->RegisterReference((CEntity**)&pVehicle->pDriver->m_vehicleInAccident);
}
}
}
}
}
bool
CCarCtrl::BoatWithTallMast(int32 mi)
{
return mi == MI_RIO || mi == MI_TROPIC || mi == MI_MARQUIS;
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}
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int32
CCarCtrl::ChooseBoatModel(int32 rating)
{
++NumRequestsOfCarRating[rating];
return ChooseCarModel(rating);
}
int32
CCarCtrl::ChooseBoatRating(CZoneInfo* pZoneInfo)
{
int rnd = CGeneral::GetRandomNumberInRange(0, 1000);
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for (int i = 0; i < NUM_BOAT_CLASSES - 1; i++) {
if (rnd < pZoneInfo->boatThreshold[i])
return FIRST_BOAT_RATING + i;
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}
return FIRST_BOAT_RATING + NUM_BOAT_CLASSES - 1;
}
int32
CCarCtrl::ChooseCarRating(CZoneInfo* pZoneInfo)
{
int rnd = CGeneral::GetRandomNumberInRange(0, 1000);
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for (int i = 0; i < NUM_CAR_CLASSES - 1; i++) {
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if (rnd < pZoneInfo->carThreshold[i])
return i;
}
return FIRST_CAR_RATING + NUM_CAR_CLASSES - 1;
}
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int32
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CCarCtrl::ChooseModel(CZoneInfo* pZone, int* pClass) {
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int32 model = -1;
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int32 i;
for (i = 10; i > 0 && (model == -1 || !CStreaming::HasModelLoaded(model)); i--) {
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int rnd = CGeneral::GetRandomNumberInRange(0, 1000);
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if (rnd < pZone->copThreshold) {
*pClass = COPS;
model = ChoosePoliceCarModel();
continue;
}
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int32 j;
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for (j = 0; j < NUM_GANG_CAR_CLASSES; j++) {
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if (rnd < pZone->gangThreshold[j]) {
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*pClass = j + FIRST_GANG_CAR_RATING;
model = ChooseGangCarModel(j);
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break;
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}
}
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if (j != NUM_GANG_CAR_CLASSES)
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continue;
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*pClass = ChooseCarRating(pZone);
model = ChooseCarModel(*pClass);
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}
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if (i == 0)
return -1;
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return model;
}
int32
CCarCtrl::ChooseCarModel(int32 vehclass)
{
int32 model = -1;
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++NumRequestsOfCarRating[vehclass];
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if (NumOfLoadedCarsOfRating[vehclass] == 0)
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return -1;
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int32 rnd = CGeneral::GetRandomNumberInRange(0, CarFreqArrays[vehclass][NumOfLoadedCarsOfRating[vehclass] - 1]);
int32 index = 0;
while (rnd > CarFreqArrays[vehclass][index])
index++;
assert(LoadedCarsArray[vehclass][index]);
return LoadedCarsArray[vehclass][index];
}
void
CCarCtrl::AddToLoadedVehicleArray(int32 mi, int32 rating, int32 freq)
{
LoadedCarsArray[rating][NumOfLoadedCarsOfRating[rating]] = mi;
assert(mi >= 130);
CarFreqArrays[rating][NumOfLoadedCarsOfRating[rating]] = freq;
if (NumOfLoadedCarsOfRating[rating])
CarFreqArrays[rating][NumOfLoadedCarsOfRating[rating]] += CarFreqArrays[rating][NumOfLoadedCarsOfRating[rating] - 1];
NumOfLoadedCarsOfRating[rating]++;
}
void
CCarCtrl::RemoveFromLoadedVehicleArray(int mi, int32 rating)
{
int index = 0;
while (LoadedCarsArray[rating][index] != -1) {
if (LoadedCarsArray[rating][index] == mi)
break;
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index++;
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}
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assert(LoadedCarsArray[rating][index] == mi);
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int32 freq = CarFreqArrays[rating][index];
if (index > 0)
freq -= CarFreqArrays[rating][index - 1];
while (LoadedCarsArray[rating][index + 1] != -1) {
LoadedCarsArray[rating][index] = LoadedCarsArray[rating][index + 1];
CarFreqArrays[rating][index] = CarFreqArrays[rating][index + 1] - freq;
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index++;
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}
--NumOfLoadedCarsOfRating[rating];
}
int32
CCarCtrl::ChooseCarModelToLoad(int rating)
{
return CarArrays[rating][CGeneral::GetRandomNumberInRange(0, TotalNumOfCarsOfRating[rating])];
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}
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int32
CCarCtrl::ChoosePoliceCarModel(void)
{
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if (FindPlayerPed()->m_pWanted->AreMiamiViceRequired() &&
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#ifdef FIX_BUGS
(CTimer::GetTimeInMilliseconds() > LastTimeMiamiViceGenerated + 120000 || LastTimeMiamiViceGenerated == 0) &&
#else
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CTimer::GetTimeInMilliseconds() > LastTimeMiamiViceGenerated + 120000 &&
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#endif
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CStreaming::HasModelLoaded(MI_VICECHEE)) {
switch (MiamiViceCycle) {
case 0:
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if (CStreaming::HasModelLoaded(MI_VICE1) && CStreaming::HasModelLoaded(MI_VICE2))
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return MI_VICECHEE;
break;
case 1:
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if (CStreaming::HasModelLoaded(MI_VICE3) && CStreaming::HasModelLoaded(MI_VICE4))
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return MI_VICECHEE;
break;
case 2:
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if (CStreaming::HasModelLoaded(MI_VICE5) && CStreaming::HasModelLoaded(MI_VICE6))
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return MI_VICECHEE;
break;
case 3:
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if (CStreaming::HasModelLoaded(MI_VICE7) && CStreaming::HasModelLoaded(MI_VICE8))
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return MI_VICECHEE;
break;
default:
break;
}
}
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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_FBIRANCH) &&
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CStreaming::HasModelLoaded(MI_FBI))
return MI_FBIRANCH;
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if (FindPlayerPed()->m_pWanted->AreArmyRequired() &&
CStreaming::HasModelLoaded(MI_RHINO) &&
CStreaming::HasModelLoaded(MI_BARRACKS) &&
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CStreaming::HasModelLoaded(MI_ARMY))
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return CGeneral::GetRandomTrueFalse() ? MI_BARRACKS : MI_RHINO;
return MI_POLICE;
}
int32
CCarCtrl::ChooseGangCarModel(int32 gang)
{
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if (CGangs::HaveGangModelsLoaded(gang))
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return CGangs::GetGangVehicleModel(gang);
return -1;
}
void
CCarCtrl::AddToCarArray(int32 id, int32 vehclass)
{
assert(TotalNumOfCarsOfRating[vehclass] < MAX_CAR_MODELS_IN_ARRAY);
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CarArrays[vehclass][TotalNumOfCarsOfRating[vehclass]++] = id;
}
void
CCarCtrl::RemoveDistantCars()
{
for (int i = CPools::GetVehiclePool()->GetSize()-1; i >= 0; i--) {
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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) {
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CRoadBlocks::GenerateRoadBlockCopsForCar(pVehicle, pVehicle->m_nRoadblockType);
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pVehicle->bCreateRoadBlockPeds = false;
}
}
}
}
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void
CCarCtrl::RemoveCarsIfThePoolGetsFull(void)
{
if ((CTimer::GetFrameCounter() & 7) != 3)
return;
if (CPools::GetVehiclePool()->GetNoOfFreeSpaces() >= 8)
return;
int i = CPools::GetVehiclePool()->GetSize();
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float md = 10000000.f;
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CVehicle* pClosestVehicle = nil;
while (i--) {
CVehicle* pVehicle = CPools::GetVehiclePool()->GetSlot(i);
if (!pVehicle)
continue;
if (IsThisVehicleInteresting(pVehicle) || pVehicle->bIsLocked)
continue;
if (!pVehicle->CanBeDeleted() || CCranes::IsThisCarBeingTargettedByAnyCrane(pVehicle))
continue;
float distance = (TheCamera.GetPosition() - pVehicle->GetPosition()).Magnitude();
if (distance < md) {
md = distance;
pClosestVehicle = pVehicle;
}
}
if (pClosestVehicle) {
CWorld::Remove(pClosestVehicle);
delete pClosestVehicle;
}
}
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void
CCarCtrl::PossiblyRemoveVehicle(CVehicle* pVehicle)
{
#ifdef FIX_BUGS
if (pVehicle->bIsLocked)
return;
#endif
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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();
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float threshold = OFFSCREEN_DESPAWN_RANGE;
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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 ||
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pVehicle->bIsCarParkVehicle ||
CTimer::GetTimeInMilliseconds() < pVehicle->m_nSetPieceExtendedRangeTime
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){
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threshold = ONSCREEN_DESPAWN_RANGE * TheCamera.GenerationDistMultiplier;
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}
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if (TheCamera.GetForward().z < -0.9f)
threshold = 70.0f;
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if (pVehicle->bExtendedRange)
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threshold *= EXTENDED_RANGE_DESPAWN_MULTIPLIER;
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if (distanceToPlayer > threshold && !CGarages::IsPointWithinHideOutGarage(pVehicle->GetPosition())){
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if (pVehicle->GetIsOnScreen()){
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pVehicle->bFadeOut = true;
}else{
CWorld::Remove(pVehicle);
delete pVehicle;
}
return;
}
}
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if ((pVehicle->GetStatus() == STATUS_SIMPLE || pVehicle->GetStatus() == STATUS_PHYSICS &&
(pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS || pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS_IGNORE_LIGHTS)) &&
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CTimer::GetTimeInMilliseconds() - pVehicle->AutoPilot.m_nTimeToStartMission > 5000 &&
!pVehicle->GetIsOnScreen() &&
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(pVehicle->GetPosition() - vecPlayerPos).Magnitude2D() > 22.0f &&
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!IsThisVehicleInteresting(pVehicle) &&
!pVehicle->bIsLocked &&
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pVehicle->CanBeDeleted() &&
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!CTrafficLights::ShouldCarStopForLight(pVehicle, true) &&
!CTrafficLights::ShouldCarStopForBridge(pVehicle) &&
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!CGarages::IsPointWithinHideOutGarage(pVehicle->GetPosition())){
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CWorld::Remove(pVehicle);
delete pVehicle;
return;
}
if (pVehicle->GetStatus() != STATUS_WRECKED || pVehicle->m_nTimeOfDeath == 0)
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return;
if (CTimer::GetTimeInMilliseconds() > pVehicle->m_nTimeOfDeath + 60000 &&
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!pVehicle->GetIsOnScreen()){
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if ((pVehicle->GetPosition() - vecPlayerPos).MagnitudeSqr() > SQR(7.5f)){
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if (!CGarages::IsPointWithinHideOutGarage(pVehicle->GetPosition())){
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CWorld::Remove(pVehicle);
delete pVehicle;
}
}
}
}
int32
CCarCtrl::CountCarsOfType(int32 mi)
{
int32 total = 0;
for (int i = CPools::GetVehiclePool()->GetSize()-1; i >= 0; i--) {
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CVehicle* pVehicle = CPools::GetVehiclePool()->GetSlot(i);
if (!pVehicle)
continue;
if (pVehicle->GetModelIndex() == mi)
total++;
}
return total;
}
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static CVector GetRandomOffsetForVehicle(CVehicle* pVehicle, bool bNext)
{
CVector offset;
int32 seed = ((bNext ? pVehicle->AutoPilot.m_nNextPathNodeInfo : pVehicle->AutoPilot.m_nCurrentPathNodeInfo) + pVehicle->m_randomSeed) & 7;
offset.x = (seed - 3) * 0.009f;
offset.y = ((seed >> 3) - 3) * 0.009f;
offset.z = 0.0f;
return offset;
}
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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->GetStatus() == STATUS_PHYSICS)
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return;
CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
float currentPathLinkForwardX = pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
float currentPathLinkForwardY = pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
float nextPathLinkForwardX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float nextPathLinkForwardY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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CVector positionOnCurrentLinkIncludingLane(
pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
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CVector directionCurrentLink = GetRandomOffsetForVehicle(pVehicle, false);
directionCurrentLink += CVector(currentPathLinkForwardX, currentPathLinkForwardY, 0.0f);
directionCurrentLink.Normalise();
CVector directionNextLink = GetRandomOffsetForVehicle(pVehicle, true);
directionNextLink += CVector(nextPathLinkForwardX, nextPathLinkForwardY, 0.0f);
directionNextLink.Normalise();
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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);
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pVehicle->SetMoveSpeed(directionIncludingCurve / GAME_SPEED_TO_CARAI_SPEED);
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}
float
CCarCtrl::FindMaximumSpeedForThisCarInTraffic(CVehicle* pVehicle)
{
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if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_AVOID_CARS ||
pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_PLOUGH_THROUGH)
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return pVehicle->AutoPilot.GetCruiseSpeed();
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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;
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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));
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assert(xstart <= xend);
assert(ystart <= yend);
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float maxSpeed = pVehicle->AutoPilot.GetCruiseSpeed();
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CWorld::AdvanceCurrentScanCode();
for (int y = ystart; y <= yend; y++){
for (int x = xstart; x <= xend; x++){
CSector* s = CWorld::GetSector(x, y);
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SlowCarDownForCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.GetCruiseSpeed());
SlowCarDownForCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES_OVERLAP], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.GetCruiseSpeed());
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.GetCruiseSpeed());
SlowCarDownForPedsSectorList(s->m_lists[ENTITYLIST_PEDS_OVERLAP], pVehicle, left, top, right, bottom, &maxSpeed, pVehicle->AutoPilot.GetCruiseSpeed());
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}
}
pVehicle->bWarnedPeds = true;
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if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS || pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS_IGNORE_LIGHTS)
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return maxSpeed;
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return (maxSpeed + pVehicle->AutoPilot.GetCruiseSpeed()) / 2;
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}
void
CCarCtrl::ScanForPedDanger(CVehicle* pVehicle)
{
bool storedSlowDownFlag = pVehicle->AutoPilot.m_bSlowedDownBecauseOfPeds;
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float left = pVehicle->GetPosition().x - DISTANCE_TO_SCAN_FOR_PED_DANGER;
float right = pVehicle->GetPosition().x + DISTANCE_TO_SCAN_FOR_PED_DANGER;
float top = pVehicle->GetPosition().y - DISTANCE_TO_SCAN_FOR_PED_DANGER;
float bottom = pVehicle->GetPosition().y + DISTANCE_TO_SCAN_FOR_PED_DANGER;
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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));
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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)
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pVehicle->AutoPilot.ModifySpeed(Min(maxSpeed, curSpeed + 0.05f * CTimer::GetTimeStep()));
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}else if (curSpeed != 0.0f) {
if (curSpeed < 0.1f)
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pVehicle->AutoPilot.ModifySpeed(0.0f);
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else
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pVehicle->AutoPilot.ModifySpeed(Max(maxSpeed, curSpeed - 0.7f * CTimer::GetTimeStep()));
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}
}
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void CCarCtrl::SlowCarDownForPedsSectorList(CPtrList& lst, CVehicle* pVehicle, float x_inf, float y_inf, float x_sup, float y_sup, float* pSpeed, float curSpeed)
{
float frontOffset = pVehicle->GetModelInfo()->GetColModel()->boundingBox.max.y;
float frontSafe = frontOffset + SAFE_DISTANCE_TO_PED;
for (CPtrNode* pNode = lst.first; pNode != nil; pNode = pNode->next){
CPed* pPed = (CPed*)pNode->item;
if (pPed->m_scanCode == CWorld::GetCurrentScanCode())
continue;
if (!pPed->bUsesCollision)
continue;
pPed->m_scanCode = CWorld::GetCurrentScanCode();
CVector vecPedPos = pPed->GetPosition();
if (vecPedPos.x < x_inf || vecPedPos.x > x_sup)
continue;
if (vecPedPos.y < y_inf || vecPedPos.y > y_sup)
continue;
if (ABS(vecPedPos.z - pVehicle->GetPosition().z) >= 4.0f)
continue;
CVector vecToPed = vecPedPos - pVehicle->GetPosition();
float dotDirection = DotProduct(pVehicle->GetForward(), vecToPed);
float dotVelocity = DotProduct(pVehicle->GetForward(), pVehicle->GetMoveSpeed());
if (dotDirection <= frontOffset) /* If already run him over, don't care */
continue;
float distanceUntilHit = dotDirection - frontOffset;
float movementTowardsPedPerSecond = GAME_SPEED_TO_METERS_PER_SECOND * dotVelocity;
if (4 * movementTowardsPedPerSecond <= distanceUntilHit)
/* If car isn't projected to hit a ped in 4 seconds, don't care */
continue;
float sidewaysDistance = ABS(DotProduct(pVehicle->GetRight(), vecToPed));
float sideLength = pVehicle->GetModelInfo()->GetColModel()->boundingBox.max.x;
if (pVehicle->m_vehType == VEHICLE_TYPE_BIKE)
sideLength *= 1.6f;
if (sideLength + 0.5f < sidewaysDistance)
/* If car is far enough taking side into account, don't care */
continue;
if (pPed->IsPed()){ /* ...how can it not be? */
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if (pPed->GetPedState() != PED_STEP_AWAY && pPed->GetPedState() != PED_DIVE_AWAY){
if (distanceUntilHit < movementTowardsPedPerSecond){
/* Very close. Time to evade. */
if (pVehicle->GetModelIndex() == MI_RCBANDIT){
if (dotVelocity * GAME_SPEED_TO_METERS_PER_SECOND / 2 > distanceUntilHit)
pPed->SetEvasiveStep(pVehicle, 0);
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}else if (dotVelocity > 0.3f) {
if (sideLength + 0.1f < sidewaysDistance)
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pPed->SetEvasiveStep(pVehicle, 0);
else
pPed->SetEvasiveDive(pVehicle, 0);
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}else if (dotVelocity > 0.1f) {
if (sideLength - 0.5f < sidewaysDistance)
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pPed->SetEvasiveStep(pVehicle, 0);
else
pPed->SetEvasiveDive(pVehicle, 0);
}
}else{
/* Relatively safe but annoying. */
if (pVehicle->GetStatus() == STATUS_PLAYER &&
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pPed->GetPedState() != PED_FLEE_ENTITY &&
pPed->CharCreatedBy == RANDOM_CHAR){
float angleCarToPed = CGeneral::GetRadianAngleBetweenPoints(
pVehicle->GetPosition().x, pVehicle->GetPosition().y,
pPed->GetPosition().x, pPed->GetPosition().y
);
angleCarToPed = CGeneral::LimitRadianAngle(angleCarToPed);
pPed->m_headingRate = CGeneral::LimitRadianAngle(pPed->m_headingRate);
float visibilityAngle = ABS(angleCarToPed - pPed->m_headingRate);
if (visibilityAngle > PI)
visibilityAngle = TWOPI - visibilityAngle;
if (visibilityAngle < HALFPI || pVehicle->m_nCarHornTimer){
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/* if ped sees the danger or if car horn is on */
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pPed->SetFlee(pVehicle, 2000);
pPed->bUsePedNodeSeek = false;
pPed->SetMoveState(PEDMOVE_RUN);
}
}else{
CPlayerPed* pPlayerPed = (CPlayerPed*)pPed;
if (pPlayerPed->IsPlayer() && dotDirection < frontSafe &&
pPlayerPed->IsPedInControl() &&
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pPlayerPed->m_fMoveSpeed < 1.0f && !pPlayerPed->bIsLooking &&
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CTimer::GetTimeInMilliseconds() > pPlayerPed->m_lookTimer) {
pPlayerPed->AnnoyPlayerPed(false);
pPlayerPed->SetLookFlag(pVehicle, true);
pPlayerPed->SetLookTimer(1500);
if (pPlayerPed->GetWeapon()->m_eWeaponType == WEAPONTYPE_UNARMED ||
pPlayerPed->GetWeapon()->m_eWeaponType == WEAPONTYPE_BASEBALLBAT ||
pPlayerPed->GetWeapon()->m_eWeaponType == WEAPONTYPE_COLT45 ||
pPlayerPed->GetWeapon()->m_eWeaponType == WEAPONTYPE_UZI) {
pPlayerPed->bShakeFist = true;
}
}
}
}
}
}
/* Ped stuff done. Now vehicle stuff. */
if (distanceUntilHit < 10.0f){
if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_STOP_FOR_CARS ||
pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_SLOW_DOWN_FOR_CARS){
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*pSpeed = Min(*pSpeed, ABS(distanceUntilHit - 1.0f) / 10.0f * curSpeed);
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pVehicle->AutoPilot.m_bSlowedDownBecauseOfPeds = true;
if (distanceUntilHit < 2.0f){
pVehicle->AutoPilot.m_nTempAction = TEMPACT_WAIT;
pVehicle->AutoPilot.m_nTimeTempAction = CTimer::GetTimeInMilliseconds() + 3000;
}
}
}
}
}
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void CCarCtrl::SlowCarDownForCarsSectorList(CPtrList& lst, CVehicle* pVehicle, float x_inf, float y_inf, float x_sup, float y_sup, float* pSpeed, float curSpeed)
{
for (CPtrNode* pNode = lst.first; pNode != nil; pNode = pNode->next){
CVehicle* pTestVehicle = (CVehicle*)pNode->item;
if (pVehicle == pTestVehicle)
continue;
if (pTestVehicle->m_scanCode == CWorld::GetCurrentScanCode())
continue;
if (!pTestVehicle->bUsesCollision)
continue;
pTestVehicle->m_scanCode = CWorld::GetCurrentScanCode();
CVector boundCenter = pTestVehicle->GetBoundCentre();
if (boundCenter.x < x_inf || boundCenter.x > x_sup)
continue;
if (boundCenter.y < y_inf || boundCenter.y > y_sup)
continue;
if (Abs(boundCenter.z - pVehicle->GetPosition().z) < 5.0f)
SlowCarDownForOtherCar(pTestVehicle, pVehicle, pSpeed, curSpeed);
}
}
void CCarCtrl::SlowCarDownForOtherCar(CEntity* pOtherEntity, CVehicle* pVehicle, float* pSpeed, float curSpeed)
{
CVector forwardA = pVehicle->GetForward();
((CVector2D)forwardA).Normalise();
if (DotProduct2D(pOtherEntity->GetPosition() - pVehicle->GetPosition(), forwardA) < 0.0f)
return;
CVector forwardB = pOtherEntity->GetForward();
((CVector2D)forwardB).Normalise();
forwardA.z = forwardB.z = 0.0f;
CVehicle* pOtherVehicle = (CVehicle*)pOtherEntity;
/* why is the argument CEntity if it's always CVehicle anyway and is casted? */
float speedOtherX = GAME_SPEED_TO_CARAI_SPEED * pOtherVehicle->GetMoveSpeed().x;
float speedOtherY = GAME_SPEED_TO_CARAI_SPEED * pOtherVehicle->GetMoveSpeed().y;
float projectionX = speedOtherX - forwardA.x * curSpeed;
float projectionY = speedOtherY - forwardA.y * curSpeed;
float proximityA = TestCollisionBetween2MovingRects(pOtherVehicle, pVehicle, projectionX, projectionY, &forwardA, &forwardB, 0);
float proximityB = TestCollisionBetween2MovingRects(pVehicle, pOtherVehicle, -projectionX, -projectionY, &forwardB, &forwardA, 1);
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float minProximity = Min(proximityA, proximityB);
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if (minProximity >= 0.0f && minProximity < 1.5f){
minProximity = Max(0.0f, (minProximity - 0.2f) / 1.3f);
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pVehicle->AutoPilot.m_bSlowedDownBecauseOfCars = true;
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*pSpeed = Min(*pSpeed, minProximity * curSpeed);
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}
if (minProximity >= 0.0f && minProximity < 0.5f && pOtherEntity->IsVehicle() &&
CTimer::GetTimeInMilliseconds() - pVehicle->AutoPilot.m_nTimeToStartMission > 15000 &&
CTimer::GetTimeInMilliseconds() - pOtherVehicle->AutoPilot.m_nTimeToStartMission > 15000){
/* If cars are standing for 15 seconds, annoy one of them and make avoid cars. */
if (pOtherEntity != FindPlayerVehicle() &&
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DotProduct2D(pVehicle->GetForward(), pOtherVehicle->GetForward()) < -0.5f &&
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pVehicle < pOtherVehicle){ /* that comparasion though... */
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*pSpeed = Max(curSpeed / 5, *pSpeed);
if (pVehicle->GetStatus() == STATUS_SIMPLE){
pVehicle->SetStatus(STATUS_PHYSICS);
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SwitchVehicleToRealPhysics(pVehicle);
}
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
pVehicle->AutoPilot.m_nTimeTempAction = CTimer::GetTimeInMilliseconds() + 1000;
}
}
}
float CCarCtrl::TestCollisionBetween2MovingRects(CVehicle* pVehicleA, CVehicle* pVehicleB, float projectionX, float projectionY, CVector* pForwardA, CVector* pForwardB, uint8 id)
{
CVector2D vecBToA = pVehicleA->GetPosition() - pVehicleB->GetPosition();
float lenB = pVehicleB->GetModelInfo()->GetColModel()->boundingBox.max.y;
float widthB = pVehicleB->GetModelInfo()->GetColModel()->boundingBox.max.x;
float backLenB = -pVehicleB->GetModelInfo()->GetColModel()->boundingBox.min.y;
float lenA = pVehicleA->GetModelInfo()->GetColModel()->boundingBox.max.y;
float widthA = pVehicleA->GetModelInfo()->GetColModel()->boundingBox.max.x;
float backLenA = -pVehicleA->GetModelInfo()->GetColModel()->boundingBox.min.y;
float proximity = 1.0f;
float fullWidthB = 2.0f * widthB;
float fullLenB = lenB + backLenB;
for (int i = 0; i < 4; i++){
float testedOffsetX;
float testedOffsetY;
switch (i) {
case 0: /* Front right corner */
testedOffsetX = vecBToA.x + widthA * pForwardB->y + lenA * pForwardB->x;
testedOffsetY = vecBToA.y + lenA * pForwardB->y - widthA * pForwardB->x;
break;
case 1: /* Front left corner */
testedOffsetX = vecBToA.x + -widthA * pForwardB->x + lenA * pForwardB->x;
testedOffsetY = vecBToA.y + lenA * pForwardB->y + widthA * pForwardB->x;
break;
case 2: /* Rear right corner */
testedOffsetX = vecBToA.x + widthA * pForwardB->y - backLenA * pForwardB->x;
testedOffsetY = vecBToA.y - backLenA * pForwardB->y - widthA * pForwardB->x;
break;
case 3: /* Rear left corner */
testedOffsetX = vecBToA.x - widthA * pForwardB->y - backLenA * pForwardB->x;
testedOffsetY = vecBToA.y - backLenA * pForwardB->y + widthA * pForwardB->x;
break;
default:
break;
}
/* Testing width collision */
float baseWidthProximity = 0.0f;
float fullWidthProximity = 1.0f;
float widthDistance = testedOffsetX * pForwardA->y - testedOffsetY * pForwardA->x;
float widthProjection = projectionX * pForwardA->y - projectionY * pForwardA->x;
if (widthDistance > widthB){
if (widthProjection < 0.0f){
float proximityWidth = -(widthDistance - widthB) / widthProjection;
if (proximityWidth < 1.0f){
baseWidthProximity = proximityWidth;
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fullWidthProximity = Min(1.0f, proximityWidth - fullWidthB / widthProjection);
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}else{
baseWidthProximity = 1.0f;
}
}else{
baseWidthProximity = 1.0f;
fullWidthProximity = 1.0f;
}
}else if (widthDistance < -widthB){
if (widthProjection > 0.0f) {
float proximityWidth = -(widthDistance + widthB) / widthProjection;
if (proximityWidth < 1.0f) {
baseWidthProximity = proximityWidth;
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fullWidthProximity = Min(1.0f, proximityWidth + fullWidthB / widthProjection);
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}
else {
baseWidthProximity = 1.0f;
}
}
else {
baseWidthProximity = 1.0f;
fullWidthProximity = 1.0f;
}
}else if (widthProjection > 0.0f){
fullWidthProximity = (widthB - widthDistance) / widthProjection;
}else if (widthProjection < 0.0f){
fullWidthProximity = -(widthB + widthDistance) / widthProjection;
}
/* Testing length collision */
float baseLengthProximity = 0.0f;
float fullLengthProximity = 1.0f;
float lenDistance = testedOffsetX * pForwardA->x + testedOffsetY * pForwardA->y;
float lenProjection = projectionX * pForwardA->x + projectionY * pForwardA->y;
if (lenDistance > lenB) {
if (lenProjection < 0.0f) {
float proximityLength = -(lenDistance - lenB) / lenProjection;
if (proximityLength < 1.0f) {
baseLengthProximity = proximityLength;
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fullLengthProximity = Min(1.0f, proximityLength - fullLenB / lenProjection);
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}
else {
baseLengthProximity = 1.0f;
}
}
else {
baseLengthProximity = 1.0f;
fullLengthProximity = 1.0f;
}
}
else if (lenDistance < -backLenB) {
if (lenProjection > 0.0f) {
float proximityLength = -(lenDistance + backLenB) / lenProjection;
if (proximityLength < 1.0f) {
baseLengthProximity = proximityLength;
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fullLengthProximity = Min(1.0f, proximityLength + fullLenB / lenProjection);
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}
else {
baseLengthProximity = 1.0f;
}
}
else {
baseLengthProximity = 1.0f;
fullLengthProximity = 1.0f;
}
}
else if (lenProjection > 0.0f) {
fullLengthProximity = (lenB - lenDistance) / lenProjection;
}
else if (lenProjection < 0.0f) {
fullLengthProximity = -(backLenB + lenDistance) / lenProjection;
}
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float baseProximity = Max(baseWidthProximity, baseLengthProximity);
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if (baseProximity < fullWidthProximity && baseProximity < fullLengthProximity)
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proximity = Min(proximity, baseProximity);
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}
return proximity;
}
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float CCarCtrl::FindAngleToWeaveThroughTraffic(CVehicle* pVehicle, CPhysical* pTarget, float angleToTarget, float angleForward)
{
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float distanceToTest = Min(2.0f, pVehicle->GetMoveSpeed().Magnitude2D() / 0.4f + 1.0f) * 12.0f;
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float left = pVehicle->GetPosition().x - distanceToTest;
float right = pVehicle->GetPosition().x + distanceToTest;
float top = pVehicle->GetPosition().y - distanceToTest;
float bottom = pVehicle->GetPosition().y + distanceToTest;
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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));
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assert(xstart <= xend);
assert(ystart <= yend);
float angleToWeaveLeft = angleToTarget;
float angleToWeaveRight = angleToTarget;
CWorld::AdvanceCurrentScanCode();
float angleToWeaveLeftLastIteration = -9999.9f;
float angleToWeaveRightLastIteration = -9999.9f;
while (angleToWeaveLeft != angleToWeaveLeftLastIteration ||
angleToWeaveRight != angleToWeaveRightLastIteration){
angleToWeaveLeftLastIteration = angleToWeaveLeft;
angleToWeaveRightLastIteration = angleToWeaveRight;
for (int y = ystart; y <= yend; y++) {
for (int x = xstart; x <= xend; x++) {
CSector* s = CWorld::GetSector(x, y);
WeaveThroughCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES], pVehicle, pTarget,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
WeaveThroughCarsSectorList(s->m_lists[ENTITYLIST_VEHICLES_OVERLAP], pVehicle, pTarget,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
WeaveThroughPedsSectorList(s->m_lists[ENTITYLIST_PEDS], pVehicle, pTarget,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
WeaveThroughPedsSectorList(s->m_lists[ENTITYLIST_PEDS_OVERLAP], pVehicle, pTarget,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
WeaveThroughObjectsSectorList(s->m_lists[ENTITYLIST_OBJECTS], pVehicle,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
WeaveThroughObjectsSectorList(s->m_lists[ENTITYLIST_OBJECTS_OVERLAP], pVehicle,
left, top, right, bottom, &angleToWeaveLeft, &angleToWeaveRight);
}
}
}
float angleDiffFromActualToTarget = LimitRadianAngle(angleForward - angleToTarget);
float angleToBisectActualToTarget = LimitRadianAngle(angleToTarget + angleDiffFromActualToTarget / 2);
float angleDiffLeft = LimitRadianAngle(angleToWeaveLeft - angleToBisectActualToTarget);
angleDiffLeft = ABS(angleDiffLeft);
float angleDiffRight = LimitRadianAngle(angleToWeaveRight - angleToBisectActualToTarget);
angleDiffRight = ABS(angleDiffRight);
if (angleDiffLeft > HALFPI && angleDiffRight > HALFPI)
return angleToBisectActualToTarget;
if (ABS(angleDiffLeft - angleDiffRight) < 0.08f)
return angleToWeaveRight;
return angleDiffLeft < angleDiffRight ? angleToWeaveLeft : angleToWeaveRight;
}
void CCarCtrl::WeaveThroughCarsSectorList(CPtrList& lst, CVehicle* pVehicle, CPhysical* pTarget, float x_inf, float y_inf, float x_sup, float y_sup, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
for (CPtrNode* pNode = lst.first; pNode != nil; pNode = pNode->next) {
CVehicle* pTestVehicle = (CVehicle*)pNode->item;
if (pTestVehicle->m_scanCode == CWorld::GetCurrentScanCode())
continue;
if (!pTestVehicle->bUsesCollision)
continue;
if (pTestVehicle == pTarget)
continue;
pTestVehicle->m_scanCode = CWorld::GetCurrentScanCode();
if (pTestVehicle->GetBoundCentre().x < x_inf || pTestVehicle->GetBoundCentre().x > x_sup)
continue;
if (pTestVehicle->GetBoundCentre().y < y_inf || pTestVehicle->GetBoundCentre().y > y_sup)
continue;
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if (Abs(pTestVehicle->GetPosition().z - pVehicle->GetPosition().z) >= VEHICLE_HEIGHT_DIFF_TO_CONSIDER_WEAVING)
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continue;
if (pTestVehicle != pVehicle)
WeaveForOtherCar(pTestVehicle, pVehicle, pAngleToWeaveLeft, pAngleToWeaveRight);
}
}
void CCarCtrl::WeaveForOtherCar(CEntity* pOtherEntity, CVehicle* pVehicle, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
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CVehicle* pOtherCar = (CVehicle*)pOtherEntity;
if (pVehicle->bPartOfConvoy && pOtherCar->bPartOfConvoy)
return;
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if (pVehicle->AutoPilot.m_nCarMission == MISSION_RAMPLAYER_CLOSE && pOtherEntity == FindPlayerVehicle())
return;
if (pVehicle->AutoPilot.m_nCarMission == MISSION_RAMCAR_CLOSE && pOtherEntity == pVehicle->AutoPilot.m_pTargetCar)
return;
CVector2D vecDiff = pOtherCar->GetPosition() - pVehicle->GetPosition();
float angleBetweenVehicles = CGeneral::GetATanOfXY(vecDiff.x, vecDiff.y);
float distance = vecDiff.Magnitude();
if (distance < 1.0f)
return;
if (DotProduct2D(pVehicle->GetMoveSpeed() - pOtherCar->GetMoveSpeed(), vecDiff) * 110.0f -
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pOtherCar->GetColModel()->boundingSphere.radius -
pVehicle->GetColModel()->boundingSphere.radius < distance)
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return;
CVector2D forward = pVehicle->GetForward();
forward.Normalise();
float forwardAngle = CGeneral::GetATanOfXY(forward.x, forward.y);
float angleDiff = angleBetweenVehicles - forwardAngle;
float lenProjection = ABS(pOtherCar->GetColModel()->boundingBox.max.y * sin(angleDiff));
float widthProjection = ABS(pOtherCar->GetColModel()->boundingBox.max.x * cos(angleDiff));
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float lengthToEvade = (2 * (lenProjection + widthProjection) + WIDTH_COEF_TO_WEAVE_SAFELY * 2 * pVehicle->GetColModel()->boundingBox.max.x) / distance;
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float diffToLeftAngle = LimitRadianAngle(angleBetweenVehicles - *pAngleToWeaveLeft);
diffToLeftAngle = ABS(diffToLeftAngle);
float angleToWeave = lengthToEvade / 2;
if (diffToLeftAngle < angleToWeave){
*pAngleToWeaveLeft = angleBetweenVehicles - angleToWeave;
while (*pAngleToWeaveLeft < -PI)
*pAngleToWeaveLeft += TWOPI;
}
float diffToRightAngle = LimitRadianAngle(angleBetweenVehicles - *pAngleToWeaveRight);
diffToRightAngle = ABS(diffToRightAngle);
if (diffToRightAngle < angleToWeave){
*pAngleToWeaveRight = angleBetweenVehicles + angleToWeave;
while (*pAngleToWeaveRight > PI)
*pAngleToWeaveRight -= TWOPI;
}
}
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void CCarCtrl::WeaveThroughPedsSectorList(CPtrList& lst, CVehicle* pVehicle, CPhysical* pTarget, float x_inf, float y_inf, float x_sup, float y_sup, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
for (CPtrNode* pNode = lst.first; pNode != nil; pNode = pNode->next) {
CPed* pPed = (CPed*)pNode->item;
if (pPed->m_scanCode == CWorld::GetCurrentScanCode())
continue;
if (!pPed->bUsesCollision)
continue;
if (pPed == pTarget)
continue;
pPed->m_scanCode = CWorld::GetCurrentScanCode();
if (pPed->GetPosition().x < x_inf || pPed->GetPosition().x > x_sup)
continue;
if (pPed->GetPosition().y < y_inf || pPed->GetPosition().y > y_sup)
continue;
if (Abs(pPed->GetPosition().z - pVehicle->GetPosition().z) >= PED_HEIGHT_DIFF_TO_CONSIDER_WEAVING)
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continue;
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if (pPed->m_pCurSurface != pVehicle && pPed->m_attachedTo != pVehicle)
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WeaveForPed(pPed, pVehicle, pAngleToWeaveLeft, pAngleToWeaveRight);
}
}
void CCarCtrl::WeaveForPed(CEntity* pOtherEntity, CVehicle* pVehicle, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
if (pVehicle->AutoPilot.m_nCarMission == MISSION_RAMPLAYER_CLOSE && pOtherEntity == FindPlayerPed())
return;
CPed* pPed = (CPed*)pOtherEntity;
CVector2D vecDiff = pPed->GetPosition() - pVehicle->GetPosition();
float angleBetweenVehicleAndPed = CGeneral::GetATanOfXY(vecDiff.x, vecDiff.y);
float distance = vecDiff.Magnitude();
float lengthToEvade = (WIDTH_COEF_TO_WEAVE_SAFELY * 2 * pVehicle->GetColModel()->boundingBox.max.x + PED_WIDTH_TO_WEAVE) / distance;
float diffToLeftAngle = LimitRadianAngle(angleBetweenVehicleAndPed - *pAngleToWeaveLeft);
diffToLeftAngle = ABS(diffToLeftAngle);
float angleToWeave = lengthToEvade / 2;
if (diffToLeftAngle < angleToWeave) {
*pAngleToWeaveLeft = angleBetweenVehicleAndPed - angleToWeave;
while (*pAngleToWeaveLeft < -PI)
*pAngleToWeaveLeft += TWOPI;
}
float diffToRightAngle = LimitRadianAngle(angleBetweenVehicleAndPed - *pAngleToWeaveRight);
diffToRightAngle = ABS(diffToRightAngle);
if (diffToRightAngle < angleToWeave) {
*pAngleToWeaveRight = angleBetweenVehicleAndPed + angleToWeave;
while (*pAngleToWeaveRight > PI)
*pAngleToWeaveRight -= TWOPI;
}
}
void CCarCtrl::WeaveThroughObjectsSectorList(CPtrList& lst, CVehicle* pVehicle, float x_inf, float y_inf, float x_sup, float y_sup, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
for (CPtrNode* pNode = lst.first; pNode != nil; pNode = pNode->next) {
CObject* pObject = (CObject*)pNode->item;
if (pObject->m_scanCode == CWorld::GetCurrentScanCode())
continue;
if (!pObject->bUsesCollision)
continue;
pObject->m_scanCode = CWorld::GetCurrentScanCode();
if (pObject->GetPosition().x < x_inf || pObject->GetPosition().x > x_sup)
continue;
if (pObject->GetPosition().y < y_inf || pObject->GetPosition().y > y_sup)
continue;
if (Abs(pObject->GetPosition().z - pVehicle->GetPosition().z) >= OBJECT_HEIGHT_DIFF_TO_CONSIDER_WEAVING)
continue;
if (pObject->GetUp().z > 0.9f)
WeaveForObject(pObject, pVehicle, pAngleToWeaveLeft, pAngleToWeaveRight);
}
}
void CCarCtrl::WeaveForObject(CEntity* pOtherEntity, CVehicle* pVehicle, float* pAngleToWeaveLeft, float* pAngleToWeaveRight)
{
float rightCoef;
float forwardCoef;
if (pOtherEntity->GetModelIndex() == MI_TRAFFICLIGHTS){
rightCoef = 2.957f;
forwardCoef = 0.147f;
}else if (pOtherEntity->GetModelIndex() == MI_SINGLESTREETLIGHTS1){
rightCoef = 0.744f;
forwardCoef = 0.0f;
}else if (pOtherEntity->GetModelIndex() == MI_SINGLESTREETLIGHTS2){
rightCoef = 0.043f;
forwardCoef = 0.0f;
}else if (pOtherEntity->GetModelIndex() == MI_SINGLESTREETLIGHTS3){
rightCoef = 1.143f;
forwardCoef = 0.145f;
}else if (pOtherEntity->GetModelIndex() == MI_DOUBLESTREETLIGHTS){
rightCoef = 0.0f;
forwardCoef = -0.048f;
}else if (IsTreeModel(pOtherEntity->GetModelIndex())){
rightCoef = 0.0f;
forwardCoef = 0.0f;
}else if (pOtherEntity->GetModelIndex() == MI_STREETLAMP1 || pOtherEntity->GetModelIndex() == MI_STREETLAMP2){
rightCoef = 0.0f;
forwardCoef = 0.0f;
}else
return;
CObject* pObject = (CObject*)pOtherEntity;
CVector2D vecDiff = pObject->GetPosition() +
rightCoef * pObject->GetRight() +
forwardCoef * pObject->GetForward() -
pVehicle->GetPosition();
float angleBetweenVehicleAndObject = CGeneral::GetATanOfXY(vecDiff.x, vecDiff.y);
float distance = vecDiff.Magnitude();
float lengthToEvade = (WIDTH_COEF_TO_WEAVE_SAFELY * 2 * pVehicle->GetColModel()->boundingBox.max.x + OBJECT_WIDTH_TO_WEAVE) / distance;
float diffToLeftAngle = LimitRadianAngle(angleBetweenVehicleAndObject - *pAngleToWeaveLeft);
diffToLeftAngle = ABS(diffToLeftAngle);
float angleToWeave = lengthToEvade / 2;
if (diffToLeftAngle < angleToWeave) {
*pAngleToWeaveLeft = angleBetweenVehicleAndObject - angleToWeave;
while (*pAngleToWeaveLeft < -PI)
*pAngleToWeaveLeft += TWOPI;
}
float diffToRightAngle = LimitRadianAngle(angleBetweenVehicleAndObject - *pAngleToWeaveRight);
diffToRightAngle = ABS(diffToRightAngle);
if (diffToRightAngle < angleToWeave) {
*pAngleToWeaveRight = angleBetweenVehicleAndObject + angleToWeave;
while (*pAngleToWeaveRight > PI)
*pAngleToWeaveRight -= TWOPI;
}
}
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bool CCarCtrl::PickNextNodeAccordingStrategy(CVehicle* pVehicle)
{
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pVehicle->AutoPilot.m_nCruiseSpeedMultiplierType = ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode].speedLimit;
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switch (pVehicle->AutoPilot.m_nCarMission){
case MISSION_RAMPLAYER_FARAWAY:
case MISSION_BLOCKPLAYER_FARAWAY:
PickNextNodeToChaseCar(pVehicle,
FindPlayerCoors().x,
FindPlayerCoors().y,
#ifdef FIX_PATHFIND_BUG
FindPlayerCoors().z,
#endif
FindPlayerVehicle());
return false;
case MISSION_GOTOCOORDS:
case MISSION_GOTOCOORDS_ACCURATE:
return PickNextNodeToFollowPath(pVehicle);
case MISSION_RAMCAR_FARAWAY:
case MISSION_BLOCKCAR_FARAWAY:
PickNextNodeToChaseCar(pVehicle,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().x,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().y,
#ifdef FIX_PATHFIND_BUG
pVehicle->AutoPilot.m_pTargetCar->GetPosition().z,
#endif
pVehicle->AutoPilot.m_pTargetCar);
return false;
default:
PickNextNodeRandomly(pVehicle);
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if (ThePaths.GetNode(pVehicle->AutoPilot.m_nNextRouteNode)->bOnlySmallBoats && BoatWithTallMast(pVehicle->GetModelIndex()))
pVehicle->AutoPilot.m_nCruiseSpeed = 0;
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return false;
}
}
void CCarCtrl::PickNextNodeRandomly(CVehicle* pVehicle)
{
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if (pVehicle->m_nRouteSeed)
CGeneral::SetRandomSeed(pVehicle->m_nRouteSeed);
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int32 prevNode = pVehicle->AutoPilot.m_nCurrentRouteNode;
int32 curNode = pVehicle->AutoPilot.m_nNextRouteNode;
uint8 totalLinks = ThePaths.m_pathNodes[curNode].numLinks;
CCarPathLink* pCurLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
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uint8 lanesOnCurrentPath;
bool isOnOneWayRoad;
if (pCurLink->pathNodeIndex == curNode) {
lanesOnCurrentPath = pCurLink->numLeftLanes;
isOnOneWayRoad = pCurLink->numRightLanes == 0;
}
else {
lanesOnCurrentPath = pCurLink->numRightLanes;
isOnOneWayRoad = pCurLink->numLeftLanes == 0;
}
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uint8 allowedDirections = PATH_DIRECTION_NONE;
uint8 nextLane = pVehicle->AutoPilot.m_nNextLane;
if (nextLane == 0)
/* We are always allowed to turn left from leftmost lane */
allowedDirections |= PATH_DIRECTION_LEFT;
if (nextLane == lanesOnCurrentPath - 1)
/* We are always allowed to turn right from rightmost lane */
allowedDirections |= PATH_DIRECTION_RIGHT;
if (lanesOnCurrentPath < 3 || allowedDirections == PATH_DIRECTION_NONE)
/* We are always allowed to go straight on one/two-laned road */
/* or if we are in one of middle lanes of the road */
allowedDirections |= PATH_DIRECTION_STRAIGHT;
int attempt;
pVehicle->AutoPilot.m_nPrevRouteNode = pVehicle->AutoPilot.m_nCurrentRouteNode;
pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_nNextRouteNode;
CPathNode* pPrevPathNode = &ThePaths.m_pathNodes[prevNode];
CPathNode* pCurPathNode = &ThePaths.m_pathNodes[curNode];
int16 nextLink;
CCarPathLink* pNextLink;
CPathNode* pNextPathNode;
bool goingAgainstOneWayRoad;
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bool nextNodeIsOneWayRoad;
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uint8 direction;
for(attempt = 0; attempt < ATTEMPTS_TO_FIND_NEXT_NODE; attempt++){
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if (attempt != 0){
if (pVehicle->AutoPilot.m_nNextRouteNode != prevNode){
if (direction & allowedDirections){
pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
if ((!pNextPathNode->bDeadEnd || pPrevPathNode->bDeadEnd) &&
(!pNextPathNode->bDisabled || pPrevPathNode->bDisabled) &&
(!pNextPathNode->bBetweenLevels || pPrevPathNode->bBetweenLevels || !pVehicle->AutoPilot.m_bStayInCurrentLevel) &&
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!goingAgainstOneWayRoad && (!isOnOneWayRoad || !nextNodeIsOneWayRoad))
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break;
}
}
}
nextLink = CGeneral::GetRandomNumber() % totalLinks;
pVehicle->AutoPilot.m_nNextRouteNode = ThePaths.ConnectedNode(nextLink + pCurPathNode->firstLink);
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direction = FindPathDirection(prevNode, curNode, pVehicle->AutoPilot.m_nNextRouteNode);
pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurPathNode->firstLink]];
goingAgainstOneWayRoad = pNextLink->pathNodeIndex == curNode ? pNextLink->numRightLanes == 0 : pNextLink->numLeftLanes == 0;
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nextNodeIsOneWayRoad = pNextLink->pathNodeIndex == curNode ? pNextLink->numLeftLanes == 0 : pNextLink->numRightLanes == 0;
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}
if (attempt >= ATTEMPTS_TO_FIND_NEXT_NODE) {
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/* If we failed 15 times, then remove dead end, one way road and current lane limitations */
for (attempt = 0; attempt < ATTEMPTS_TO_FIND_NEXT_NODE; attempt++) {
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if (attempt != 0) {
if (pVehicle->AutoPilot.m_nNextRouteNode != prevNode) {
pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
if ((!pNextPathNode->bDisabled || pPrevPathNode->bDisabled) &&
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(!pNextPathNode->bBetweenLevels || pPrevPathNode->bBetweenLevels || !pVehicle->AutoPilot.m_bStayInCurrentLevel) &&
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!goingAgainstOneWayRoad)
break;
}
}
nextLink = CGeneral::GetRandomNumber() % totalLinks;
pVehicle->AutoPilot.m_nNextRouteNode = ThePaths.ConnectedNode(nextLink + pCurPathNode->firstLink);
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pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurPathNode->firstLink]];
goingAgainstOneWayRoad = pNextLink->pathNodeIndex == curNode ? pNextLink->numRightLanes == 0 : pNextLink->numLeftLanes == 0;
}
}
if (attempt >= ATTEMPTS_TO_FIND_NEXT_NODE) {
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/* If we failed again, remove no U-turn limitation and remove randomness */
for (nextLink = 0; nextLink < totalLinks; nextLink++) {
pVehicle->AutoPilot.m_nNextRouteNode = ThePaths.ConnectedNode(nextLink + pCurPathNode->firstLink);
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pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurPathNode->firstLink]];
goingAgainstOneWayRoad = pNextLink->pathNodeIndex == curNode ? pNextLink->numRightLanes == 0 : pNextLink->numLeftLanes == 0;
if (!goingAgainstOneWayRoad) {
pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
if ((!pNextPathNode->bDisabled || pPrevPathNode->bDisabled) &&
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(!pNextPathNode->bBetweenLevels || pPrevPathNode->bBetweenLevels || !pVehicle->AutoPilot.m_bStayInCurrentLevel))
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/* Nice way to exit loop but this will fail because this is used for indexing! */
nextLink = 1000;
}
}
if (nextLink < 999)
/* If everything else failed, turn vehicle around */
pVehicle->AutoPilot.m_nNextRouteNode = prevNode;
}
pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurPathNode->firstLink]];
if (prevNode == pVehicle->AutoPilot.m_nNextRouteNode){
/* We can no longer shift vehicle without physics if we have to turn it around. */
pVehicle->SetStatus(STATUS_PHYSICS);
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SwitchVehicleToRealPhysics(pVehicle);
}
pVehicle->AutoPilot.m_nTimeEnteredCurve += pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve;
pVehicle->AutoPilot.m_nPreviousPathNodeInfo = pVehicle->AutoPilot.m_nCurrentPathNodeInfo;
pVehicle->AutoPilot.m_nCurrentPathNodeInfo = pVehicle->AutoPilot.m_nNextPathNodeInfo;
pVehicle->AutoPilot.m_nPreviousDirection = pVehicle->AutoPilot.m_nCurrentDirection;
pVehicle->AutoPilot.m_nCurrentDirection = pVehicle->AutoPilot.m_nNextDirection;
pVehicle->AutoPilot.m_nCurrentLane = pVehicle->AutoPilot.m_nNextLane;
pVehicle->AutoPilot.m_nNextPathNodeInfo = ThePaths.m_carPathConnections[nextLink + pCurPathNode->firstLink];
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int8 lanesOnNextNode;
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if (curNode >= pVehicle->AutoPilot.m_nNextRouteNode){
pVehicle->AutoPilot.m_nNextDirection = 1;
lanesOnNextNode = pNextLink->numLeftLanes;
}else{
pVehicle->AutoPilot.m_nNextDirection = -1;
lanesOnNextNode = pNextLink->numRightLanes;
}
float currentPathLinkForwardX = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirX();
float nextPathLinkForwardX = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirX();
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#ifdef FIX_BUGS
float currentPathLinkForwardY = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirY();
float nextPathLinkForwardY = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirY();
#endif
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if (lanesOnNextNode >= 0){
if ((CGeneral::GetRandomNumber() & 0x600) == 0){
/* 25% chance vehicle will try to switch lane */
CVector2D dist = pNextPathNode->GetPosition() - pCurPathNode->GetPosition();
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if (dist.MagnitudeSqr() >= SQR(14.0f)){
if (CGeneral::GetRandomTrueFalse())
pVehicle->AutoPilot.m_nNextLane += 1;
else
pVehicle->AutoPilot.m_nNextLane -= 1;
}
}
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pVehicle->AutoPilot.m_nNextLane = Min(lanesOnNextNode - 1, pVehicle->AutoPilot.m_nNextLane);
pVehicle->AutoPilot.m_nNextLane = Max(0, pVehicle->AutoPilot.m_nNextLane);
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}else{
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane;
}
if (pVehicle->AutoPilot.m_bStayInFastLane)
pVehicle->AutoPilot.m_nNextLane = 0;
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#ifdef FIX_BUGS
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CVector positionOnCurrentLinkIncludingLane(
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pCurLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH)
#ifdef FIX_BUGS
* currentPathLinkForwardY
#endif
,pCurLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
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pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH)
#ifdef FIX_BUGS
* nextPathLinkForwardY
#endif
,pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
#else
CVector positionOnCurrentLinkIncludingLane(
pCurLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH),
pCurLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
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#endif
float directionCurrentLinkX = pCurLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionCurrentLinkY = pCurLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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/* We want to make a path between two links that may not have the same forward directions a curve. */
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
) * (1000.0f / pVehicle->AutoPilot.m_fMaxTrafficSpeed);
if (pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve < 10)
/* Oh hey there Obbe */
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printf("fout\n");
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pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = Max(10, pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve);
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}
uint8 CCarCtrl::FindPathDirection(int32 prevNode, int32 curNode, int32 nextNode)
{
CVector2D prevToCur = ThePaths.m_pathNodes[curNode].GetPosition() - ThePaths.m_pathNodes[prevNode].GetPosition();
CVector2D curToNext = ThePaths.m_pathNodes[nextNode].GetPosition() - ThePaths.m_pathNodes[curNode].GetPosition();
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float distPrevToCur = prevToCur.Magnitude();
if (distPrevToCur == 0.0f)
return PATH_DIRECTION_NONE;
/* We are trying to determine angle between prevToCur and curToNext. */
/* To find it, we consider a to be an angle between y axis and prevToCur */
/* and b to be an angle between x axis and curToNext */
/* Then the angle we are looking for is (pi/2 + a + b). */
float sin_a = prevToCur.x / distPrevToCur;
float cos_a = prevToCur.y / distPrevToCur;
float distCurToNext = curToNext.Magnitude();
if (distCurToNext == 0.0f)
return PATH_DIRECTION_NONE;
float sin_b = curToNext.y / distCurToNext;
float cos_b = curToNext.x / distCurToNext;
/* sin(a) * sin(b) - cos(a) * cos(b) = -cos(a+b) = sin(pi/2+a+b) */
float sin_direction = sin_a * sin_b - cos_a * cos_b;
if (sin_direction > 0.77f) /* Roughly between -50 and -130 degrees */
return PATH_DIRECTION_LEFT;
if (sin_direction < -0.77f) /* Roughly between 50 and 130 degrees */
return PATH_DIRECTION_RIGHT;
return PATH_DIRECTION_STRAIGHT;
}
#ifdef FIX_PATHFIND_BUG
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void CCarCtrl::PickNextNodeToChaseCar(CVehicle* pVehicle, float targetX, float targetY, float targetZ, CVehicle* pTarget)
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#else
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void CCarCtrl::PickNextNodeToChaseCar(CVehicle* pVehicle, float targetX, float targetY, CVehicle* pTarget)
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#endif
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{
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if (pVehicle->m_nRouteSeed)
CGeneral::SetRandomSeed(pVehicle->m_nRouteSeed);
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int prevNode = pVehicle->AutoPilot.m_nCurrentRouteNode;
int curNode = pVehicle->AutoPilot.m_nNextRouteNode;
CPathNode* pPrevNode = &ThePaths.m_pathNodes[prevNode];
CPathNode* pCurNode = &ThePaths.m_pathNodes[curNode];
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CPathNode* pTargetNode[2];
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int16 numNodes;
float distanceToTargetNode;
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ThePaths.DoPathSearch(0, pCurNode->GetPosition(), curNode,
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#ifdef FIX_PATHFIND_BUG
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CVector(targetX, targetY, targetZ),
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#else
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CVector(targetX, targetY, 0.0f),
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#endif
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pTargetNode, &numNodes, 2, pVehicle, &distanceToTargetNode, 999999.9f, -1);
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int newNextNode;
int nextLink;
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if (numNodes != 1 && numNodes != 2 || pTargetNode[0] == pCurNode){
if (numNodes != 2 || pTargetNode[1] == pCurNode) {
float currentAngle = CGeneral::GetATanOfXY(targetX - pVehicle->GetPosition().x, targetY - pVehicle->GetPosition().y);
nextLink = 0;
float lowestAngleChange = 10.0f;
int numLinks = pCurNode->numLinks;
newNextNode = 0;
for (int i = 0; i < numLinks; i++) {
int conNode = ThePaths.ConnectedNode(i + pCurNode->firstLink);
if (conNode == prevNode && i > 1)
continue;
CPathNode* pTestNode = &ThePaths.m_pathNodes[conNode];
float angle = CGeneral::GetATanOfXY(pTestNode->GetX() - pCurNode->GetX(), pTestNode->GetY() - pCurNode->GetY());
angle = LimitRadianAngle(angle - currentAngle);
angle = ABS(angle);
if (angle < lowestAngleChange) {
lowestAngleChange = angle;
newNextNode = conNode;
nextLink = i;
}
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}
}
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else {
nextLink = 0;
newNextNode = pTargetNode[1] - ThePaths.m_pathNodes;
for (int i = pCurNode->firstLink; ThePaths.ConnectedNode(i) != newNextNode; i++, nextLink++)
;
}
}
else {
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nextLink = 0;
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newNextNode = pTargetNode[0] - ThePaths.m_pathNodes;
for (int i = pCurNode->firstLink; ThePaths.ConnectedNode(i) != newNextNode; i++, nextLink++)
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;
}
CPathNode* pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurNode->firstLink]];
CCarPathLink* pCurLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
pVehicle->AutoPilot.m_nPrevRouteNode = pVehicle->AutoPilot.m_nCurrentRouteNode;
pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_nNextRouteNode;
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pVehicle->AutoPilot.m_nNextRouteNode = newNextNode;
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pVehicle->AutoPilot.m_nTimeEnteredCurve += pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve;
pVehicle->AutoPilot.m_nPreviousPathNodeInfo = pVehicle->AutoPilot.m_nCurrentPathNodeInfo;
pVehicle->AutoPilot.m_nCurrentPathNodeInfo = pVehicle->AutoPilot.m_nNextPathNodeInfo;
pVehicle->AutoPilot.m_nPreviousDirection = pVehicle->AutoPilot.m_nCurrentDirection;
pVehicle->AutoPilot.m_nCurrentDirection = pVehicle->AutoPilot.m_nNextDirection;
pVehicle->AutoPilot.m_nCurrentLane = pVehicle->AutoPilot.m_nNextLane;
pVehicle->AutoPilot.m_nNextPathNodeInfo = ThePaths.m_carPathConnections[nextLink + pCurNode->firstLink];
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int8 lanesOnNextNode;
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if (curNode >= pVehicle->AutoPilot.m_nNextRouteNode) {
pVehicle->AutoPilot.m_nNextDirection = 1;
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lanesOnNextNode = pNextLink->numRightLanes;
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}
else {
pVehicle->AutoPilot.m_nNextDirection = -1;
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lanesOnNextNode = pNextLink->numLeftLanes;
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}
float currentPathLinkForwardX = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirX();
float currentPathLinkForwardY = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirY();
float nextPathLinkForwardX = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirX();
float nextPathLinkForwardY = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirY();
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if (lanesOnNextNode >= 0) {
CVector2D dist = pNextPathNode->GetPosition() - pCurNode->GetPosition();
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if (dist.MagnitudeSqr() >= SQR(7.0f)){
/* 25% chance vehicle will try to switch lane */
/* No lane switching if following car from far away */
/* ...although it's always one of those. */
if ((CGeneral::GetRandomNumber() & 0x600) == 0 &&
pVehicle->AutoPilot.m_nCarMission != MISSION_RAMPLAYER_FARAWAY &&
pVehicle->AutoPilot.m_nCarMission != MISSION_BLOCKPLAYER_FARAWAY &&
pVehicle->AutoPilot.m_nCarMission != MISSION_RAMCAR_FARAWAY &&
pVehicle->AutoPilot.m_nCarMission != MISSION_BLOCKCAR_FARAWAY){
if (CGeneral::GetRandomTrueFalse())
pVehicle->AutoPilot.m_nNextLane += 1;
else
pVehicle->AutoPilot.m_nNextLane -= 1;
}
}
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pVehicle->AutoPilot.m_nNextLane = Min(lanesOnNextNode - 1, pVehicle->AutoPilot.m_nNextLane);
pVehicle->AutoPilot.m_nNextLane = Max(0, pVehicle->AutoPilot.m_nNextLane);
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}
else {
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane;
}
if (pVehicle->AutoPilot.m_bStayInFastLane)
pVehicle->AutoPilot.m_nNextLane = 0;
CVector positionOnCurrentLinkIncludingLane(
pCurLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
float directionCurrentLinkX = pCurLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionCurrentLinkY = pCurLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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/* We want to make a path between two links that may not have the same forward directions a curve. */
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
) * (1000.0f / pVehicle->AutoPilot.m_fMaxTrafficSpeed);
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pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = Max(10, pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve);
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}
2019-09-02 16:04:09 +00:00
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bool CCarCtrl::PickNextNodeToFollowPath(CVehicle* pVehicle)
{
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if (pVehicle->m_nRouteSeed)
CGeneral::SetRandomSeed(pVehicle->m_nRouteSeed);
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int curNode = pVehicle->AutoPilot.m_nNextRouteNode;
CPathNode* pCurNode = &ThePaths.m_pathNodes[curNode];
if (pVehicle->AutoPilot.m_nPathFindNodesCount == 0){
ThePaths.DoPathSearch(0, pVehicle->GetPosition(), curNode,
pVehicle->AutoPilot.m_vecDestinationCoors, pVehicle->AutoPilot.m_aPathFindNodesInfo,
&pVehicle->AutoPilot.m_nPathFindNodesCount, NUM_PATH_NODES_IN_AUTOPILOT,
pVehicle, nil, 999999.9f, -1);
2020-11-16 09:22:55 +00:00
if (pVehicle->AutoPilot.m_nPathFindNodesCount < 2)
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return true;
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pVehicle->AutoPilot.RemoveOnePathNode();
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}
CPathNode* pNextPathNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nNextRouteNode];
CCarPathLink* pCurLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
pVehicle->AutoPilot.m_nPrevRouteNode = pVehicle->AutoPilot.m_nCurrentRouteNode;
pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_nNextRouteNode;
pVehicle->AutoPilot.m_nNextRouteNode = pVehicle->AutoPilot.m_aPathFindNodesInfo[0] - ThePaths.m_pathNodes;
pVehicle->AutoPilot.RemoveOnePathNode();
pVehicle->AutoPilot.m_nTimeEnteredCurve += pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve;
pVehicle->AutoPilot.m_nPreviousPathNodeInfo = pVehicle->AutoPilot.m_nCurrentPathNodeInfo;
pVehicle->AutoPilot.m_nCurrentPathNodeInfo = pVehicle->AutoPilot.m_nNextPathNodeInfo;
pVehicle->AutoPilot.m_nPreviousDirection = pVehicle->AutoPilot.m_nCurrentDirection;
pVehicle->AutoPilot.m_nCurrentDirection = pVehicle->AutoPilot.m_nNextDirection;
pVehicle->AutoPilot.m_nCurrentLane = pVehicle->AutoPilot.m_nNextLane;
int nextLink = 0;
for (int i = pCurNode->firstLink; ThePaths.ConnectedNode(i) != pVehicle->AutoPilot.m_nNextRouteNode; i++, nextLink++)
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;
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[ThePaths.m_carPathConnections[nextLink + pCurNode->firstLink]];
pVehicle->AutoPilot.m_nNextPathNodeInfo = ThePaths.m_carPathConnections[nextLink + pCurNode->firstLink];
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int8 lanesOnNextNode;
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if (curNode >= pVehicle->AutoPilot.m_nNextRouteNode) {
pVehicle->AutoPilot.m_nNextDirection = 1;
lanesOnNextNode = pNextLink->numLeftLanes;
}
else {
pVehicle->AutoPilot.m_nNextDirection = -1;
lanesOnNextNode = pNextLink->numRightLanes;
}
float currentPathLinkForwardX = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirX();
float currentPathLinkForwardY = pVehicle->AutoPilot.m_nCurrentDirection * pCurLink->GetDirY();
float nextPathLinkForwardX = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirX();
float nextPathLinkForwardY = pVehicle->AutoPilot.m_nNextDirection * pNextLink->GetDirY();
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if (lanesOnNextNode >= 0) {
CVector2D dist = pNextPathNode->GetPosition() - pCurNode->GetPosition();
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if (dist.MagnitudeSqr() >= SQR(7.0f) && (CGeneral::GetRandomNumber() & 0x600) == 0) {
if (CGeneral::GetRandomTrueFalse())
pVehicle->AutoPilot.m_nNextLane += 1;
else
pVehicle->AutoPilot.m_nNextLane -= 1;
}
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pVehicle->AutoPilot.m_nNextLane = Min(lanesOnNextNode - 1, pVehicle->AutoPilot.m_nNextLane);
pVehicle->AutoPilot.m_nNextLane = Max(0, pVehicle->AutoPilot.m_nNextLane);
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}
else {
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane;
}
if (pVehicle->AutoPilot.m_bStayInFastLane)
pVehicle->AutoPilot.m_nNextLane = 0;
CVector positionOnCurrentLinkIncludingLane(
pCurLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardY,
pCurLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForwardX,
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0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX,
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0.0f);
float directionCurrentLinkX = pCurLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionCurrentLinkY = pCurLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
float directionNextLinkX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float directionNextLinkY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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/* We want to make a path between two links that may not have the same forward directions a curve. */
pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
directionCurrentLinkX, directionCurrentLinkY,
directionNextLinkX, directionNextLinkY
) * (1000.0f / pVehicle->AutoPilot.m_fMaxTrafficSpeed);
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pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve = Max(10, pVehicle->AutoPilot.m_nTimeToSpendOnCurrentCurve);
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return false;
}
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void CCarCtrl::Init(void)
{
NumRandomCars = 0;
NumLawEnforcerCars = 0;
NumMissionCars = 0;
NumParkedCars = 0;
NumPermanentCars = 0;
NumAmbulancesOnDuty = 0;
NumFiretrucksOnDuty = 0;
LastTimeFireTruckCreated = 0;
LastTimeAmbulanceCreated = 0;
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#ifdef FIX_BUGS
LastTimeLawEnforcerCreated = 0;
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LastTimeMiamiViceGenerated = 0;
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#endif
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bCarsGeneratedAroundCamera = false;
CountDownToCarsAtStart = 2;
CarDensityMultiplier = 1.0f;
for (int i = 0; i < MAX_CARS_TO_KEEP; i++)
apCarsToKeep[i] = nil;
for (int i = 0; i < TOTAL_CUSTOM_CLASSES; i++){
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for (int j = 0; j < MAX_CAR_MODELS_IN_ARRAY; j++) {
LoadedCarsArray[i][j] = -1;
}
NumOfLoadedCarsOfRating[i] = 0;
NumRequestsOfCarRating[i] = 0;
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TotalNumOfCarsOfRating[i] = 0;
}
}
void CCarCtrl::ReInit(void)
{
NumRandomCars = 0;
NumLawEnforcerCars = 0;
NumMissionCars = 0;
NumParkedCars = 0;
NumPermanentCars = 0;
NumAmbulancesOnDuty = 0;
NumFiretrucksOnDuty = 0;
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#ifdef FIX_BUGS
LastTimeFireTruckCreated = 0;
LastTimeAmbulanceCreated = 0;
LastTimeLawEnforcerCreated = 0;
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LastTimeMiamiViceGenerated = 0;
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#endif
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CountDownToCarsAtStart = 2;
CarDensityMultiplier = 1.0f;
for (int i = 0; i < MAX_CARS_TO_KEEP; i++)
apCarsToKeep[i] = nil;
for (int i = 0; i < TOTAL_CUSTOM_CLASSES; i++)
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NumRequestsOfCarRating[i] = 0;
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}
void CCarCtrl::DragCarToPoint(CVehicle* pVehicle, CVector* pPoint)
{
CVector2D posBehind = (CVector2D)pVehicle->GetPosition() - 3 * pVehicle->GetForward() / 2;
CVector2D posTarget = *pPoint;
CVector2D direction = posBehind - posTarget;
CVector2D midPos = posTarget + direction * 3 / direction.Magnitude();
float actualAheadZ;
float actualBehindZ;
CColPoint point;
CEntity* pRoadObject;
2019-09-14 17:58:09 +00:00
if (CCollision::IsStoredPolyStillValidVerticalLine(CVector(posTarget.x, posTarget.y, pVehicle->GetPosition().z - 3.0f),
2019-09-12 10:11:13 +00:00
pVehicle->GetPosition().z - 3.0f, point, &pVehicle->m_aCollPolys[0])){
actualAheadZ = point.point.z;
}else if (CWorld::ProcessVerticalLine(CVector(posTarget.x, posTarget.y, pVehicle->GetPosition().z + 1.5f),
pVehicle->GetPosition().z - 2.0f, point,
pRoadObject, true, false, false, false, false, false, &pVehicle->m_aCollPolys[0])){
actualAheadZ = point.point.z;
pVehicle->m_pCurGroundEntity = pRoadObject;
if (ThisRoadObjectCouldMove(pRoadObject->GetModelIndex()))
pVehicle->m_aCollPolys[0].valid = false;
}else if (CWorld::ProcessVerticalLine(CVector(posTarget.x, posTarget.y, pVehicle->GetPosition().z + 3.0f),
pVehicle->GetPosition().z - 3.0f, point,
pRoadObject, true, false, false, false, false, false, &pVehicle->m_aCollPolys[0])) {
actualAheadZ = point.point.z;
pVehicle->m_pCurGroundEntity = pRoadObject;
if (ThisRoadObjectCouldMove(pRoadObject->GetModelIndex()))
pVehicle->m_aCollPolys[0].valid = false;
}else{
actualAheadZ = pVehicle->m_fMapObjectHeightAhead;
}
pVehicle->m_fMapObjectHeightAhead = actualAheadZ;
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if (CCollision::IsStoredPolyStillValidVerticalLine(CVector(midPos.x, midPos.y, pVehicle->GetPosition().z - 3.0f),
2019-09-12 10:11:13 +00:00
pVehicle->GetPosition().z - 3.0f, point, &pVehicle->m_aCollPolys[1])){
actualBehindZ = point.point.z;
}else if (CWorld::ProcessVerticalLine(CVector(midPos.x, midPos.y, pVehicle->GetPosition().z + 1.5f),
pVehicle->GetPosition().z - 2.0f, point,
pRoadObject, true, false, false, false, false, false, &pVehicle->m_aCollPolys[1])){
actualBehindZ = point.point.z;
pVehicle->m_pCurGroundEntity = pRoadObject;
if (ThisRoadObjectCouldMove(pRoadObject->GetModelIndex()))
pVehicle->m_aCollPolys[1].valid = false;
}else if (CWorld::ProcessVerticalLine(CVector(midPos.x, midPos.y, pVehicle->GetPosition().z + 3.0f),
pVehicle->GetPosition().z - 3.0f, point,
pRoadObject, true, false, false, false, false, false, &pVehicle->m_aCollPolys[1])){
actualBehindZ = point.point.z;
pVehicle->m_pCurGroundEntity = pRoadObject;
if (ThisRoadObjectCouldMove(pRoadObject->GetModelIndex()))
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pVehicle->m_aCollPolys[1].valid = false;
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}else{
actualBehindZ = pVehicle->m_fMapObjectHeightBehind;
}
pVehicle->m_fMapObjectHeightBehind = actualBehindZ;
float angleZ = Atan2((actualAheadZ - actualBehindZ) / 3, 1.0f);
float cosZ = Cos(angleZ);
float sinZ = Sin(angleZ);
pVehicle->GetRight() = CVector(posTarget.y - midPos.y, -(posTarget.x - midPos.x), 0.0f) / 3;
pVehicle->GetForward() = CVector(-cosZ * pVehicle->GetRight().y, cosZ * pVehicle->GetRight().x, sinZ);
pVehicle->GetUp() = CrossProduct(pVehicle->GetRight(), pVehicle->GetForward());
2020-04-30 10:48:01 +00:00
pVehicle->SetPosition((CVector(midPos.x, midPos.y, actualBehindZ) + CVector(posTarget.x, posTarget.y, actualAheadZ)) / 2);
pVehicle->GetMatrix().GetPosition().z += pVehicle->GetHeightAboveRoad();
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}
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float CCarCtrl::FindSpeedMultiplier(float angleChange, float minAngle, float maxAngle, float coef)
{
float angle = Abs(LimitRadianAngle(angleChange));
float n = angle - minAngle;
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n = Max(0.0f, n);
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float d = maxAngle - minAngle;
float mult = 1.0f - n / d * (1.0f - coef);
if (n > d)
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return coef;
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return mult;
}
void CCarCtrl::SteerAICarWithPhysics(CVehicle* pVehicle)
{
float swerve;
float accel;
float brake;
bool handbrake;
switch (pVehicle->AutoPilot.m_nTempAction){
case TEMPACT_WAIT:
swerve = 0.0f;
accel = 0.0f;
brake = 0.2f;
handbrake = false;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction){
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
pVehicle->AutoPilot.m_nAntiReverseTimer = CTimer::GetTimeInMilliseconds();
pVehicle->AutoPilot.m_nTimeTempAction = CTimer::GetTimeInMilliseconds();
}
break;
case TEMPACT_REVERSE:
SteerAICarWithPhysics_OnlyMission(pVehicle, &swerve, &accel, &brake, &handbrake);
handbrake = false;
swerve = -swerve;
if (DotProduct(pVehicle->GetMoveSpeed(), pVehicle->GetForward()) > 0.04f){
accel = 0.0f;
brake = 0.5f;
}else{
accel = -0.5f;
brake = 0.0f;
}
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_HANDBRAKETURNLEFT:
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swerve = 1.0f;
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accel = 0.0f;
brake = 0.0f;
handbrake = true;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_HANDBRAKETURNRIGHT:
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swerve = -1.0f;
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accel = 0.0f;
brake = 0.0f;
handbrake = true;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_HANDBRAKESTRAIGHT:
swerve = 0.0f;
accel = 0.0f;
brake = 0.0f;
handbrake = true;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_TURNLEFT:
swerve = 1.0f;
accel = 1.0f;
brake = 0.0f;
handbrake = false;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_TURNRIGHT:
swerve = -1.0f;
accel = 1.0f;
brake = 0.0f;
handbrake = false;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_GOFORWARD:
swerve = 0.0f;
accel = 0.5f;
brake = 0.0f;
handbrake = false;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
case TEMPACT_SWERVELEFT:
case TEMPACT_SWERVERIGHT:
swerve = (pVehicle->AutoPilot.m_nTempAction == TEMPACT_SWERVERIGHT) ? 0.15f : -0.15f;
accel = 0.0f;
brake = 0.001f;
handbrake = false;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction - 1000)
swerve = -swerve;
if (CTimer::GetTimeInMilliseconds() > pVehicle->AutoPilot.m_nTimeTempAction)
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
break;
default:
SteerAICarWithPhysics_OnlyMission(pVehicle, &swerve, &accel, &brake, &handbrake);
break;
}
pVehicle->m_fSteerAngle = swerve;
pVehicle->bIsHandbrakeOn = handbrake;
pVehicle->m_fGasPedal = accel;
pVehicle->m_fBrakePedal = brake;
}
void CCarCtrl::SteerAICarWithPhysics_OnlyMission(CVehicle* pVehicle, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
switch (pVehicle->AutoPilot.m_nCarMission) {
case MISSION_NONE:
*pSwerve = 0.0f;
*pAccel = 0.0f;
*pBrake = 0.5f;
*pHandbrake = true;
return;
case MISSION_CRUISE:
case MISSION_RAMPLAYER_FARAWAY:
case MISSION_BLOCKPLAYER_FARAWAY:
case MISSION_GOTOCOORDS:
case MISSION_GOTOCOORDS_ACCURATE:
case MISSION_RAMCAR_FARAWAY:
case MISSION_BLOCKCAR_FARAWAY:
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if (pVehicle->AutoPilot.m_bIgnorePathfinding) {
*pSwerve = 0.0f;
*pAccel = 1.0f;
*pBrake = 0.0f;
*pHandbrake = false;
}else
SteerAICarWithPhysicsFollowPath(pVehicle, pSwerve, pAccel, pBrake, pHandbrake);
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return;
case MISSION_RAMPLAYER_CLOSE:
{
CVector2D targetPos = FindPlayerCoors();
if (FindPlayerVehicle()){
if (pVehicle->m_randomSeed & 1 && DotProduct(FindPlayerVehicle()->GetForward(), pVehicle->GetForward()) > 0.5f){
float targetWidth = FindPlayerVehicle()->GetColModel()->boundingBox.max.x;
float ownWidth = pVehicle->GetColModel()->boundingBox.max.x;
if (pVehicle->m_randomSeed & 2){
targetPos += (targetWidth + ownWidth - 0.2f) * FindPlayerVehicle()->GetRight();
}else{
targetPos -= (targetWidth + ownWidth - 0.2f) * FindPlayerVehicle()->GetRight();
}
float targetSpeed = FindPlayerVehicle()->GetMoveSpeed().Magnitude();
float distanceToTarget = ((CVector2D)pVehicle->GetPosition() - targetPos).Magnitude();
if (12.0f * targetSpeed + 2.0f > distanceToTarget && pVehicle->AutoPilot.m_nTempAction == TEMPACT_NONE){
pVehicle->AutoPilot.m_nTempAction = (pVehicle->m_randomSeed & 2) ? TEMPACT_TURNLEFT : TEMPACT_TURNRIGHT;
pVehicle->AutoPilot.m_nTimeTempAction = CTimer::GetTimeInMilliseconds() + 250;
}
}else{
targetPos += FindPlayerVehicle()->GetRight() / 160 * ((pVehicle->m_randomSeed & 0xFF) - 128);
}
}
SteerAICarWithPhysicsHeadingForTarget(pVehicle, FindPlayerVehicle(), targetPos.x, targetPos.y, pSwerve, pAccel, pBrake, pHandbrake);
return;
}
case MISSION_BLOCKPLAYER_CLOSE:
SteerAICarWithPhysicsTryingToBlockTarget(pVehicle, FindPlayerCoors().x, FindPlayerCoors().y,
FindPlayerSpeed().x, FindPlayerSpeed().y, pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_BLOCKPLAYER_HANDBRAKESTOP:
SteerAICarWithPhysicsTryingToBlockTarget_Stop(pVehicle, FindPlayerCoors().x, FindPlayerCoors().y,
FindPlayerSpeed().x, FindPlayerSpeed().y, pSwerve, pAccel, pBrake, pHandbrake);
return;
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case MISSION_WAITFORDELETION:
case MISSION_HELI_LAND:
return;
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case MISSION_GOTOCOORDS_STRAIGHT:
case MISSION_GOTO_COORDS_STRAIGHT_ACCURATE:
SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil,
pVehicle->AutoPilot.m_vecDestinationCoors.x, pVehicle->AutoPilot.m_vecDestinationCoors.y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_EMERGENCYVEHICLE_STOP:
case MISSION_STOP_FOREVER:
*pSwerve = 0.0f;
*pAccel = 0.0f;
*pHandbrake = true;
*pBrake = 0.5f;
return;
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case MISSION_GOTOCOORDS_ASTHECROWSWIMS:
SteerAIBoatWithPhysicsHeadingForTarget(pVehicle,
pVehicle->AutoPilot.m_vecDestinationCoors.x, pVehicle->AutoPilot.m_vecDestinationCoors.y,
pSwerve, pAccel, pBrake);
*pHandbrake = false;
return;
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case MISSION_RAMCAR_CLOSE:
SteerAICarWithPhysicsHeadingForTarget(pVehicle, pVehicle->AutoPilot.m_pTargetCar,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().x, pVehicle->AutoPilot.m_pTargetCar->GetPosition().y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_BLOCKCAR_CLOSE:
SteerAICarWithPhysicsTryingToBlockTarget(pVehicle,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().x,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().y,
pVehicle->AutoPilot.m_pTargetCar->GetMoveSpeed().x,
pVehicle->AutoPilot.m_pTargetCar->GetMoveSpeed().y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_BLOCKCAR_HANDBRAKESTOP:
SteerAICarWithPhysicsTryingToBlockTarget_Stop(pVehicle,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().x,
pVehicle->AutoPilot.m_pTargetCar->GetPosition().y,
pVehicle->AutoPilot.m_pTargetCar->GetMoveSpeed().x,
pVehicle->AutoPilot.m_pTargetCar->GetMoveSpeed().y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
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case MISSION_HELI_FLYTOCOORS:
SteerAIHeliTowardsTargetCoors((CAutomobile*)pVehicle);
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return;
case MISSION_ATTACKPLAYER:
SteerAIBoatWithPhysicsAttackingPlayer(pVehicle, pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_PLANE_FLYTOCOORS:
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SteerAIPlaneTowardsTargetCoors((CAutomobile*)pVehicle);
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return;
case MISSION_SLOWLY_DRIVE_TOWARDS_PLAYER_1:
SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil,
pVehicle->AutoPilot.m_vecDestinationCoors.x, pVehicle->AutoPilot.m_vecDestinationCoors.y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_SLOWLY_DRIVE_TOWARDS_PLAYER_2:
SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil, FindPlayerCoors().x, FindPlayerCoors().y,
pSwerve, pAccel, pBrake, pHandbrake);
return;
case MISSION_BLOCKPLAYER_FORWARDANDBACK:
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SteerAICarBlockingPlayerForwardAndBack(pVehicle, pSwerve, pAccel, pBrake, pHandbrake);
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return;
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default:
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assert(0);
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return;
}
}
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void CCarCtrl::SteerAICarBlockingPlayerForwardAndBack(CVehicle* pVehicle, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
*pSwerve = 0.0f;
*pHandbrake = false;
CVector player = FindPlayerSpeed() + 0.1f * FindPlayerEntity()->GetForward();
player.z = 0.0f;
CVector right(pVehicle->GetRight().x, pVehicle->GetRight().y, 0.0f);
right.Normalise();
CVector forward(pVehicle->GetForward().x, pVehicle->GetForward().y, 0.0f);
forward.Normalise();
float dpPlayerAndRight = DotProduct(player, right);
if (dpPlayerAndRight == 0.0f)
dpPlayerAndRight = 0.01f;
float dpDiffAndRight = -DotProduct((FindPlayerCoors() - pVehicle->GetPosition()), right) / dpPlayerAndRight;
if (dpDiffAndRight < 0.0f) {
*pAccel = 0.0f;
*pBrake = 0.0f;
return;
}
float dpSpeedAndForward = DotProduct(pVehicle->GetMoveSpeed(), forward);
float dpPlayerAndForward = DotProduct(player, forward);
float dpDiffAndForward = DotProduct((FindPlayerCoors() - pVehicle->GetPosition()), forward);
float multiplier = dpPlayerAndForward * dpDiffAndRight + dpDiffAndForward - dpSpeedAndForward * dpDiffAndRight;
if (multiplier > 0) {
*pAccel = Min(1.0f, 0.1f * multiplier);
*pBrake = 0.0f;
}
else if (dpSpeedAndForward > 0) {
*pAccel = 0.0f;
*pBrake = Min(1.0f, -0.1f * multiplier);
if (*pBrake > 0.95f)
*pHandbrake = true;
}
else {
*pAccel = Max(-1.0f, 0.1f * multiplier);
*pBrake = 0.0f;
}
}
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void CCarCtrl::SteerAIBoatWithPhysicsHeadingForTarget(CVehicle* pVehicle, float targetX, float targetY, float* pSwerve, float* pAccel, float* pBrake)
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{
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CVector2D forward = pVehicle->GetForward();
forward.Normalise();
float angleToTarget = CGeneral::GetATanOfXY(targetX - pVehicle->GetPosition().x, targetY - pVehicle->GetPosition().y);
float angleForward = CGeneral::GetATanOfXY(forward.x, forward.y);
float steerAngle = LimitRadianAngle(angleToTarget - angleForward);
steerAngle = clamp(steerAngle, -DEFAULT_MAX_STEER_ANGLE, DEFAULT_MAX_STEER_ANGLE);
#ifdef FIX_BUGS
float speedTarget = pVehicle->AutoPilot.GetCruiseSpeed();
#else
float speedTarget = pVehicle->AutoPilot.m_nCruiseSpeed;
#endif
float currentSpeed = pVehicle->GetMoveSpeed().Magnitude() * GAME_SPEED_TO_CARAI_SPEED;
float speedDiff = speedTarget - currentSpeed;
if (speedDiff <= 0.0f) {
speedDiff < -5.0f ? *pAccel = -0.2f : *pAccel = -0.1f;
steerAngle *= -1;
}
else if (speedDiff / currentSpeed > 0.25f) {
*pAccel = 1.0f;
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}
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else {
*pAccel = 1.0f - (0.25f - speedDiff / currentSpeed) * 4.0f;
}
*pBrake = 0.0f;
*pSwerve = steerAngle;
}
void CCarCtrl::SteerAIBoatWithPhysicsAttackingPlayer(CVehicle* pVehicle, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
float distanceToPlayer = (FindPlayerCoors() - pVehicle->GetPosition()).Magnitude();
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float projection = Min(distanceToPlayer / 20.0f, 2.0f);
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CVector2D forward = pVehicle->GetForward();
forward.Normalise();
CVector2D vecToProjection = FindPlayerCoors() + FindPlayerSpeed() * projection * GAME_SPEED_TO_CARAI_SPEED;
float angleToTarget = CGeneral::GetATanOfXY(vecToProjection.x - pVehicle->GetPosition().x, vecToProjection.y - pVehicle->GetPosition().y);
float angleForward = CGeneral::GetATanOfXY(forward.x, forward.y);
float steerAngle = LimitRadianAngle(angleToTarget - angleForward);
#ifdef FIX_BUGS
float speedTarget = pVehicle->AutoPilot.GetCruiseSpeed();
#else
float speedTarget = pVehicle->AutoPilot.m_nCruiseSpeed;
#endif
float currentSpeed = pVehicle->GetMoveSpeed().Magnitude() * GAME_SPEED_TO_CARAI_SPEED;
float speedDiff = speedTarget - currentSpeed;
if (speedDiff <= 0.0f) {
speedDiff < -5.0f ? *pAccel = -0.2f : *pAccel = -0.1f;
}
else if (speedDiff / currentSpeed > 0.25f) {
*pAccel = 1.0f;
}
else {
*pAccel = 1.0f - (0.25f - speedDiff / currentSpeed) * 4.0f;
}
*pBrake = 0.0f;
*pSwerve = steerAngle;
*pHandbrake = false;
if (pVehicle->GetModelIndex() == MI_PREDATOR && distanceToPlayer < 40.0f && steerAngle < 0.15f)
pVehicle->FireFixedMachineGuns();
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}
float CCarCtrl::FindMaxSteerAngle(CVehicle* pVehicle)
{
return pVehicle->GetModelIndex() == MI_ENFORCER ? 0.7f : DEFAULT_MAX_STEER_ANGLE;
}
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void CCarCtrl::SteerAIHeliTowardsTargetCoors(CAutomobile* pHeli)
{
if (pHeli->m_aWheelSpeed[1] < 0.22f)
pHeli->m_aWheelSpeed[1] += 0.001f;
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if (pHeli->m_aWheelSpeed[1] < 0.15f)
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return;
CVector2D vecToTarget = pHeli->AutoPilot.m_vecDestinationCoors - pHeli->GetPosition();
float distanceToTarget = vecToTarget.Magnitude();
#ifdef FIX_BUGS
float speed = pHeli->AutoPilot.GetCruiseSpeed() * 0.01f;
#else
float speed = pHeli->AutoPilot.m_nCruiseSpeed * 0.01f;
#endif
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if (distanceToTarget <= 100.0f)
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{
if (distanceToTarget > 75.0f)
speed *= 0.7f;
else if (distanceToTarget > 10.0f)
speed *= 0.4f;
else
speed *= 0.2f;
}
vecToTarget.Normalise();
CVector2D vecAdvanceThisFrame(vecToTarget * speed);
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float resistance = Pow(0.997f, CTimer::GetTimeStep());
pHeli->m_vecMoveSpeed.x *= resistance;
pHeli->m_vecMoveSpeed.y *= resistance;
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CVector2D vecSpeedDirection = vecAdvanceThisFrame - pHeli->m_vecMoveSpeed;
float vecSpeedChangeLength = vecSpeedDirection.Magnitude();
vecSpeedDirection.Normalise();
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float changeMultiplier = 0.002f * CTimer::GetTimeStep();
if (distanceToTarget < 5.0f)
changeMultiplier /= 5.0f;
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if (vecSpeedChangeLength < changeMultiplier)
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pHeli->SetMoveSpeed(vecAdvanceThisFrame.x, vecAdvanceThisFrame.y, pHeli->GetMoveSpeed().z);
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else
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pHeli->AddToMoveSpeed(vecSpeedDirection * changeMultiplier);
pHeli->GetMatrix().Translate(CTimer::GetTimeStep() * pHeli->GetMoveSpeed().x, CTimer::GetTimeStep() * pHeli->GetMoveSpeed().y, 0.0f);
float ZTarget = pHeli->AutoPilot.m_vecDestinationCoors.z;
if (CTimer::GetTimeInMilliseconds() & 0x800) // switch every ~2 seconds
ZTarget += 2.0f;
float ZSpeedTarget = (ZTarget - pHeli->GetPosition().z) * 0.01f;
float ZSpeedChangeTarget = ZSpeedTarget - pHeli->GetMoveSpeed().z;
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float ZSpeedChangeMax = 0.001f * CTimer::GetTimeStep();
if (!pHeli->bHeliDestroyed) {
if (Abs(ZSpeedChangeTarget) < ZSpeedChangeMax)
pHeli->SetMoveSpeed(pHeli->GetMoveSpeed().x, pHeli->GetMoveSpeed().y, ZSpeedTarget);
else if (ZSpeedChangeTarget < 0.0f)
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pHeli->AddToMoveSpeed(0.0f, 0.0f, -ZSpeedChangeMax);
else
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pHeli->AddToMoveSpeed(0.0f, 0.0f, 1.5f * ZSpeedChangeMax);
}
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pHeli->GetMatrix().Translate(0.0f, 0.0f, CTimer::GetTimeStep() * pHeli->GetMoveSpeed().z);
pHeli->m_vecTurnSpeed.z *= Pow(0.99f, CTimer::GetTimeStep());
float ZTurnSpeedTarget;
if (distanceToTarget < 8.0f && pHeli->m_fHeliOrientation < 0.0f)
ZTurnSpeedTarget = 0.0f;
else {
float fAngleTarget = CGeneral::GetATanOfXY(vecToTarget.x, vecToTarget.y) + PI;
if (pHeli->m_fHeliOrientation >= 0.0f)
fAngleTarget = pHeli->m_fHeliOrientation;
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fAngleTarget -= pHeli->m_fOrientation;
while (fAngleTarget < -PI)
fAngleTarget += TWOPI;
while (fAngleTarget > PI)
fAngleTarget -= TWOPI;
if (Abs(fAngleTarget) <= 0.4f)
ZTurnSpeedTarget = 0.0f;
else if (fAngleTarget < 0.0f)
ZTurnSpeedTarget = -0.03f;
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else
ZTurnSpeedTarget = 0.03f;
}
float ZTurnSpeedChangeTarget = ZTurnSpeedTarget - pHeli->GetTurnSpeed().z;
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float ZTurnSpeedLimit = 0.0002f * CTimer::GetTimeStep();
if (Abs(ZTurnSpeedChangeTarget) < ZTurnSpeedLimit)
pHeli->m_vecTurnSpeed.z = ZTurnSpeedTarget;
else if (ZTurnSpeedChangeTarget < 0.0f)
pHeli->m_vecTurnSpeed.z -= ZTurnSpeedLimit;
else
pHeli->m_vecTurnSpeed.z += ZTurnSpeedLimit;
pHeli->m_fOrientation += pHeli->GetTurnSpeed().z * CTimer::GetTimeStep();
CVector up;
if (pHeli->bHeliMinimumTilt)
up = CVector(0.5f * pHeli->GetMoveSpeed().x, 0.5f * pHeli->GetMoveSpeed().y, 1.0f);
else
up = CVector(3.0f * pHeli->GetMoveSpeed().x, 3.0f * pHeli->GetMoveSpeed().y, 1.0f);
up.Normalise();
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CVector forward(Cos(pHeli->m_fOrientation), Sin(pHeli->m_fOrientation), 0.0f);
CVector right = CrossProduct(up, forward);
forward = CrossProduct(up, right);
pHeli->GetMatrix().GetRight() = right;
pHeli->GetMatrix().GetForward() = forward;
pHeli->GetMatrix().GetUp() = up;
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}
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void CCarCtrl::SteerAIPlaneTowardsTargetCoors(CAutomobile* pPlane)
{
CVector2D vecToTarget = pPlane->AutoPilot.m_vecDestinationCoors - pPlane->GetPosition();
float fForwardZ = (pPlane->AutoPilot.m_vecDestinationCoors.z - pPlane->GetPosition().z) / vecToTarget.Magnitude();
fForwardZ = clamp(fForwardZ, -0.3f, 0.3f);
float angle = CGeneral::GetATanOfXY(vecToTarget.x, vecToTarget.y);
while (angle > TWOPI)
angle -= TWOPI;
float difference = LimitRadianAngle(angle - pPlane->m_fOrientation);
float steer = difference > 0.0f ? 0.04f : -0.04f;
if (Abs(difference) < 0.2f)
steer *= 5.0f * Abs(difference);
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pPlane->m_fPlaneSteer *= Pow(0.96f, CTimer::GetTimeStep());
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float steerChange = steer - pPlane->m_fPlaneSteer;
float maxChange = 0.003f * CTimer::GetTimeStep();
if (Abs(steerChange) < maxChange)
pPlane->m_fPlaneSteer = steer;
else if (steerChange < 0.0f)
pPlane->m_fPlaneSteer -= maxChange;
else
pPlane->m_fPlaneSteer += maxChange;
pPlane->m_fOrientation += pPlane->m_fPlaneSteer * CTimer::GetTimeStep();
CVector up(0.0f, 0.0f, 1.0f);
up.Normalise();
CVector forward(Cos(pPlane->m_fOrientation), Sin(pPlane->m_fOrientation), fForwardZ);
forward.Normalise();
CVector right = CrossProduct(forward, up);
right.z -= 5.0f * pPlane->m_fPlaneSteer;
right.Normalise();
up = CrossProduct(forward, right);
up.Normalise();
right = CrossProduct(forward, up);
pPlane->GetMatrix().GetRight() = right;
pPlane->GetMatrix().GetForward() = forward;
pPlane->GetMatrix().GetUp() = up;
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float newSplit = 1.0f - Pow(0.95f, CTimer::GetTimeStep());
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float oldSplit = 1.0f - newSplit;
#ifdef FIX_BUGS
pPlane->m_vecMoveSpeed = pPlane->m_vecMoveSpeed * oldSplit + pPlane->AutoPilot.GetCruiseSpeed() * 0.01f * forward * newSplit;
#else
pPlane->m_vecMoveSpeed = pPlane->m_vecMoveSpeed * oldSplit + pPlane->AutoPilot.m_nCruiseSpeed * 0.01f * forward * newSplit;
#endif
pPlane->m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
}
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void CCarCtrl::SteerAICarWithPhysicsFollowPath(CVehicle* pVehicle, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
CVector2D forward = pVehicle->GetForward();
forward.Normalise();
CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
CVector2D currentPathLinkForward(pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection,
pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection);
float nextPathLinkForwardX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
float nextPathLinkForwardY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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CVector2D positionOnCurrentLinkIncludingLane(
pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.y,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.x);
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CVector2D positionOnNextLinkIncludingLane(
pNextLink->GetX() + ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->GetY() - ((pVehicle->AutoPilot.m_nNextLane + pNextLink->OneWayLaneOffset()) * LANE_WIDTH) * nextPathLinkForwardX);
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CVector2D distanceToNextNode = (CVector2D)pVehicle->GetPosition() - positionOnCurrentLinkIncludingLane;
float scalarDistanceToNextNode = distanceToNextNode.Magnitude();
CVector2D distanceBetweenNodes = positionOnNextLinkIncludingLane - positionOnCurrentLinkIncludingLane;
float dp = DotProduct2D(distanceBetweenNodes, distanceToNextNode);
if (scalarDistanceToNextNode < DISTANCE_TO_NEXT_NODE_TO_SELECT_NEW ||
dp > 0.0f && scalarDistanceToNextNode < DISTANCE_TO_FACING_NEXT_NODE_TO_SELECT_NEW ||
dp / (scalarDistanceToNextNode * distanceBetweenNodes.Magnitude()) > 0.7f ||
pVehicle->AutoPilot.m_nNextPathNodeInfo == pVehicle->AutoPilot.m_nCurrentPathNodeInfo){
if (PickNextNodeAccordingStrategy(pVehicle)) {
switch (pVehicle->AutoPilot.m_nCarMission){
case MISSION_GOTOCOORDS:
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pVehicle->AutoPilot.m_nCarMission = MISSION_GOTOCOORDS_STRAIGHT;
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SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil, pVehicle->AutoPilot.m_vecDestinationCoors.x,
pVehicle->AutoPilot.m_vecDestinationCoors.y, pSwerve, pAccel, pBrake, pHandbrake);
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return;
case MISSION_GOTOCOORDS_ACCURATE:
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pVehicle->AutoPilot.m_nCarMission = MISSION_GOTO_COORDS_STRAIGHT_ACCURATE;
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SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil, pVehicle->AutoPilot.m_vecDestinationCoors.x,
pVehicle->AutoPilot.m_vecDestinationCoors.y, pSwerve, pAccel, pBrake, pHandbrake);
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return;
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default: break;
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}
}
pCurrentLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nCurrentPathNodeInfo];
scalarDistanceToNextNode = CVector2D(
pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.y - pVehicle->GetPosition().x,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.x - pVehicle->GetPosition().y).Magnitude();
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pNextLink = &ThePaths.m_carPathLinks[pVehicle->AutoPilot.m_nNextPathNodeInfo];
currentPathLinkForward.x = pCurrentLink->GetDirX() * pVehicle->AutoPilot.m_nCurrentDirection;
currentPathLinkForward.y = pCurrentLink->GetDirY() * pVehicle->AutoPilot.m_nCurrentDirection;
nextPathLinkForwardX = pNextLink->GetDirX() * pVehicle->AutoPilot.m_nNextDirection;
nextPathLinkForwardY = pNextLink->GetDirY() * pVehicle->AutoPilot.m_nNextDirection;
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}
positionOnCurrentLinkIncludingLane.x = pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.y;
positionOnCurrentLinkIncludingLane.y = pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.x;
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CVector2D projectedPosition = positionOnCurrentLinkIncludingLane - currentPathLinkForward * scalarDistanceToNextNode * 0.4f;
if (scalarDistanceToNextNode > DISTANCE_TO_NEXT_NODE_TO_CONSIDER_SLOWING_DOWN){
projectedPosition.x = positionOnCurrentLinkIncludingLane.x;
projectedPosition.y = positionOnCurrentLinkIncludingLane.y;
}
CVector2D distanceToProjectedPosition = projectedPosition - pVehicle->GetPosition();
float angleCurrentLink = CGeneral::GetATanOfXY(distanceToProjectedPosition.x, distanceToProjectedPosition.y);
float angleForward = CGeneral::GetATanOfXY(forward.x, forward.y);
if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_AVOID_CARS)
angleCurrentLink = FindAngleToWeaveThroughTraffic(pVehicle, nil, angleCurrentLink, angleForward);
float steerAngle = LimitRadianAngle(angleCurrentLink - angleForward);
float maxAngle = FindMaxSteerAngle(pVehicle);
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steerAngle = Min(maxAngle, Max(-maxAngle, steerAngle));
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if (pVehicle->GetMoveSpeed().Magnitude() > MIN_SPEED_TO_START_LIMITING_STEER)
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steerAngle = Min(MAX_ANGLE_TO_STEER_AT_HIGH_SPEED, Max(-MAX_ANGLE_TO_STEER_AT_HIGH_SPEED, steerAngle));
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float currentForwardSpeed = DotProduct(pVehicle->GetMoveSpeed(), pVehicle->GetForward()) * GAME_SPEED_TO_CARAI_SPEED;
float speedStyleMultiplier;
switch (pVehicle->AutoPilot.m_nDrivingStyle) {
case DRIVINGSTYLE_STOP_FOR_CARS:
case DRIVINGSTYLE_SLOW_DOWN_FOR_CARS:
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case DRIVINGSTYLE_STOP_FOR_CARS_IGNORE_LIGHTS:
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speedStyleMultiplier = FindMaximumSpeedForThisCarInTraffic(pVehicle) / pVehicle->AutoPilot.m_nCruiseSpeed;
break;
default:
speedStyleMultiplier = 1.0f;
break;
}
switch (pVehicle->AutoPilot.m_nDrivingStyle) {
case DRIVINGSTYLE_STOP_FOR_CARS:
case DRIVINGSTYLE_SLOW_DOWN_FOR_CARS:
if (CTrafficLights::ShouldCarStopForLight(pVehicle, false)){
CCarAI::CarHasReasonToStop(pVehicle);
speedStyleMultiplier = 0.0f;
}
break;
default:
break;
}
if (CTrafficLights::ShouldCarStopForBridge(pVehicle)){
CCarAI::CarHasReasonToStop(pVehicle);
speedStyleMultiplier = 0.0f;
}
CVector2D trajectory(pCurrentLink->GetX() + ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.y,
pCurrentLink->GetY() - ((pVehicle->AutoPilot.m_nCurrentLane + pCurrentLink->OneWayLaneOffset()) * LANE_WIDTH) * currentPathLinkForward.x);
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trajectory -= pVehicle->GetPosition();
float speedAngleMultiplier = FindSpeedMultiplier(
CGeneral::GetATanOfXY(trajectory.x, trajectory.y) - angleForward,
MIN_ANGLE_FOR_SPEED_LIMITING, MAX_ANGLE_FOR_SPEED_LIMITING, MIN_LOWERING_SPEED_COEFFICIENT);
float tmpWideMultiplier = FindSpeedMultiplier(
CGeneral::GetATanOfXY(currentPathLinkForward.x, currentPathLinkForward.y) -
CGeneral::GetATanOfXY(nextPathLinkForwardX, nextPathLinkForwardY),
MIN_ANGLE_FOR_SPEED_LIMITING_BETWEEN_NODES, MAX_ANGLE_FOR_SPEED_LIMITING, MIN_LOWERING_SPEED_COEFFICIENT);
float speedNodesMultiplier;
if (scalarDistanceToNextNode > DISTANCE_TO_NEXT_NODE_TO_CONSIDER_SLOWING_DOWN || pVehicle->AutoPilot.m_nCruiseSpeed < 12)
speedNodesMultiplier = 1.0f;
else
speedNodesMultiplier = 1.0f -
(1.0f - scalarDistanceToNextNode / DISTANCE_TO_NEXT_NODE_TO_CONSIDER_SLOWING_DOWN) *
(1.0f - tmpWideMultiplier);
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float speedMultiplier = Min(speedStyleMultiplier, Min(speedAngleMultiplier, speedNodesMultiplier));
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float speed = pVehicle->AutoPilot.m_nCruiseSpeed * speedMultiplier;
float speedDifference = speed - currentForwardSpeed;
if (speed < 0.05f && speedDifference < 0.03f){
*pBrake = 1.0f;
*pAccel = 0.0f;
}else if (speedDifference <= 0.0f){
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*pBrake = Min(0.5f, -speedDifference * 0.05f);
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*pAccel = 0.0f;
}else if (currentForwardSpeed < 2.0f){
*pBrake = 0.0f;
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*pAccel = Min(1.0f, speedDifference * 0.25f);
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}else{
*pBrake = 0.0f;
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*pAccel = Min(1.0f, speedDifference * 0.125f);
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}
*pSwerve = steerAngle;
*pHandbrake = false;
}
void CCarCtrl::SteerAICarWithPhysicsHeadingForTarget(CVehicle* pVehicle, CPhysical* pTarget, float targetX, float targetY, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
*pHandbrake = false;
CVector2D forward = pVehicle->GetForward();
forward.Normalise();
float angleToTarget = CGeneral::GetATanOfXY(targetX - pVehicle->GetPosition().x, targetY - pVehicle->GetPosition().y);
float angleForward = CGeneral::GetATanOfXY(forward.x, forward.y);
if (pVehicle->AutoPilot.m_nDrivingStyle == DRIVINGSTYLE_AVOID_CARS)
angleToTarget = FindAngleToWeaveThroughTraffic(pVehicle, pTarget, angleToTarget, angleForward);
float steerAngle = LimitRadianAngle(angleToTarget - angleForward);
if (pVehicle->GetMoveSpeed().Magnitude() > MIN_SPEED_TO_APPLY_HANDBRAKE)
if (ABS(steerAngle) > MIN_ANGLE_TO_APPLY_HANDBRAKE)
*pHandbrake = true;
float maxAngle = FindMaxSteerAngle(pVehicle);
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steerAngle = Min(maxAngle, Max(-maxAngle, steerAngle));
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float speedMultiplier = FindSpeedMultiplier(angleToTarget - angleForward,
MIN_ANGLE_FOR_SPEED_LIMITING, MAX_ANGLE_FOR_SPEED_LIMITING, MIN_LOWERING_SPEED_COEFFICIENT);
float speedTarget = pVehicle->AutoPilot.m_nCruiseSpeed * speedMultiplier;
float currentSpeed = pVehicle->GetMoveSpeed().Magnitude() * GAME_SPEED_TO_CARAI_SPEED;
float speedDiff = speedTarget - currentSpeed;
if (speedDiff <= 0.0f){
*pAccel = 0.0f;
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*pBrake = Min(0.5f, -speedDiff / 20.0f);
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}else if (currentSpeed < 25.0f){
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*pAccel = Min(1.0f, speedDiff * 0.1f);
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*pBrake = 0.0f;
}else{
*pAccel = 1.0f;
*pBrake = 0.0f;
}
*pSwerve = steerAngle;
}
void CCarCtrl::SteerAICarWithPhysicsTryingToBlockTarget(CVehicle* pVehicle, float targetX, float targetY, float targetSpeedX, float targetSpeedY, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
CVector2D targetPos(targetX, targetY);
CVector2D offset(targetSpeedX, targetSpeedY);
float trajectoryLen = offset.Magnitude();
if (trajectoryLen > MAX_SPEED_TO_ACCOUNT_IN_INTERCEPTING)
offset *= MAX_SPEED_TO_ACCOUNT_IN_INTERCEPTING / trajectoryLen;
targetPos += offset * GAME_SPEED_TO_CARAI_SPEED;
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
SteerAICarWithPhysicsHeadingForTarget(pVehicle, nil, targetPos.x, targetPos.y, pSwerve, pAccel, pBrake, pHandbrake);
if ((targetPos - pVehicle->GetPosition()).MagnitudeSqr() < SQR(DISTANCE_TO_SWITCH_FROM_BLOCK_TO_STOP))
pVehicle->AutoPilot.m_nCarMission = (pVehicle->AutoPilot.m_nCarMission == MISSION_BLOCKCAR_CLOSE) ?
MISSION_BLOCKCAR_HANDBRAKESTOP : MISSION_BLOCKPLAYER_HANDBRAKESTOP;
}
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void CCarCtrl::SteerAICarWithPhysicsTryingToBlockTarget_Stop(CVehicle* pVehicle, float targetX, float targetY, float targetSpeedX, float targetSpeedY, float* pSwerve, float* pAccel, float* pBrake, bool* pHandbrake)
{
*pSwerve = 0.0f;
*pAccel = 0.0f;
*pBrake = 1.0f;
*pHandbrake = true;
float distanceToTargetSqr = (CVector2D(targetX, targetY) - pVehicle->GetPosition()).MagnitudeSqr();
if (distanceToTargetSqr > SQR(DISTANCE_TO_SWITCH_FROM_STOP_TO_BLOCK)){
pVehicle->AutoPilot.m_nCarMission = (pVehicle->AutoPilot.m_nCarMission == MISSION_BLOCKCAR_HANDBRAKESTOP) ?
MISSION_BLOCKCAR_CLOSE : MISSION_BLOCKPLAYER_CLOSE;
return;
}
if (pVehicle->AutoPilot.m_nCarMission == MISSION_BLOCKCAR_HANDBRAKESTOP){
if (((CVector2D)pVehicle->GetMoveSpeed()).MagnitudeSqr() < SQR(0.01f) &&
CVector2D(targetSpeedX, targetSpeedY).MagnitudeSqr() < SQR(0.02f) &&
pVehicle->bIsLawEnforcer){
CCarAI::TellOccupantsToLeaveCar(pVehicle);
pVehicle->AutoPilot.m_nCruiseSpeed = 0;
pVehicle->AutoPilot.m_nCarMission = MISSION_NONE;
}
}else{
if (FindPlayerVehicle() && FindPlayerVehicle()->GetMoveSpeed().Magnitude() < 0.05f)
#ifdef FIX_BUGS
pVehicle->m_nTimeBlocked += CTimer::GetTimeStepInMilliseconds();
#else
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pVehicle->m_nTimeBlocked += 1000.0f / 60.0f * CTimer::GetTimeStep(); // very doubtful constant
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#endif
else
pVehicle->m_nTimeBlocked = 0;
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if (FindPlayerVehicle() == nil || FindPlayerVehicle()->IsUpsideDown() ||
FindPlayerVehicle()->GetMoveSpeed().Magnitude() < 0.05f &&
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pVehicle->m_nTimeBlocked > TIME_COPS_WAIT_TO_EXIT_AFTER_STOPPING){
if (pVehicle->bIsLawEnforcer && distanceToTargetSqr < SQR(DISTANCE_TO_SWITCH_FROM_STOP_TO_BLOCK)){
CCarAI::TellOccupantsToLeaveCar(pVehicle);
pVehicle->AutoPilot.m_nCruiseSpeed = 0;
pVehicle->AutoPilot.m_nCarMission = MISSION_NONE;
}
}
}
}
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void
CCarCtrl::RegisterVehicleOfInterest(CVehicle* pVehicle)
{
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
if (apCarsToKeep[i] == pVehicle) {
aCarsToKeepTime[i] = CTimer::GetTimeInMilliseconds();
return;
}
}
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
if (!apCarsToKeep[i]) {
apCarsToKeep[i] = pVehicle;
aCarsToKeepTime[i] = CTimer::GetTimeInMilliseconds();
return;
}
}
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uint32 oldestCarWeKeepTime = UINT32_MAX;
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int oldestCarWeKeepIndex = 0;
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
if (apCarsToKeep[i] && aCarsToKeepTime[i] < oldestCarWeKeepTime) {
oldestCarWeKeepTime = aCarsToKeepTime[i];
oldestCarWeKeepIndex = i;
}
}
apCarsToKeep[oldestCarWeKeepIndex] = pVehicle;
aCarsToKeepTime[oldestCarWeKeepIndex] = CTimer::GetTimeInMilliseconds();
}
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::RemoveFromInterestingVehicleList(CVehicle* pVehicle)
{
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
if (apCarsToKeep[i] == pVehicle)
apCarsToKeep[i] = nil;
}
}
void CCarCtrl::ClearInterestingVehicleList()
{
for (int i = 0; i < MAX_CARS_TO_KEEP; i++) {
apCarsToKeep[i] = nil;
}
}
void CCarCtrl::SwitchVehicleToRealPhysics(CVehicle* pVehicle)
{
pVehicle->AutoPilot.m_nCarMission = MISSION_CRUISE;
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
pVehicle->AutoPilot.m_nAntiReverseTimer = CTimer::GetTimeInMilliseconds();
pVehicle->AutoPilot.m_nTimeTempAction = CTimer::GetTimeInMilliseconds();
}
void CCarCtrl::JoinCarWithRoadSystem(CVehicle* pVehicle)
{
pVehicle->AutoPilot.m_nPrevRouteNode = pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_nNextRouteNode = 0;
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pVehicle->AutoPilot.m_nCurrentPathNodeInfo = pVehicle->AutoPilot.m_nPreviousPathNodeInfo = pVehicle->AutoPilot.m_nNextPathNodeInfo = 0;
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int nodeId = ThePaths.FindNodeClosestToCoorsFavourDirection(pVehicle->GetPosition(), 0, pVehicle->GetForward().x, pVehicle->GetForward().y);
CPathNode* pNode = &ThePaths.m_pathNodes[nodeId];
int prevNodeId = -1;
float minDistance = 999999.9f;
for (int i = 0; i < pNode->numLinks; i++){
int candidateId = ThePaths.ConnectedNode(i + pNode->firstLink);
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CPathNode* pCandidateNode = &ThePaths.m_pathNodes[candidateId];
float distance = (pCandidateNode->GetPosition() - pNode->GetPosition()).Magnitude2D();
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if (distance < minDistance){
minDistance = distance;
prevNodeId = candidateId;
}
}
if (prevNodeId < 0)
return;
CVector2D forward = pVehicle->GetForward();
CPathNode* pPrevNode = &ThePaths.m_pathNodes[prevNodeId];
if (forward.x == 0.0f && forward.y == 0.0f)
forward.x = 1.0f;
if (DotProduct2D(pNode->GetPosition() - pPrevNode->GetPosition(), forward) < 0.0f){
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int tmp;
tmp = prevNodeId;
prevNodeId = nodeId;
nodeId = tmp;
}
pVehicle->AutoPilot.m_nPrevRouteNode = 0;
pVehicle->AutoPilot.m_nCurrentRouteNode = prevNodeId;
pVehicle->AutoPilot.m_nNextRouteNode = nodeId;
pVehicle->AutoPilot.m_nPathFindNodesCount = 0;
FindLinksToGoWithTheseNodes(pVehicle);
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane = 0;
}
bool CCarCtrl::JoinCarWithRoadSystemGotoCoors(CVehicle* pVehicle, CVector vecTarget, bool isProperNow)
{
pVehicle->AutoPilot.m_vecDestinationCoors = vecTarget;
ThePaths.DoPathSearch(0, pVehicle->GetPosition(), -1, vecTarget, pVehicle->AutoPilot.m_aPathFindNodesInfo,
&pVehicle->AutoPilot.m_nPathFindNodesCount, NUM_PATH_NODES_IN_AUTOPILOT, pVehicle, nil, 999999.9f, -1);
ThePaths.RemoveBadStartNode(pVehicle->GetPosition(),
pVehicle->AutoPilot.m_aPathFindNodesInfo, &pVehicle->AutoPilot.m_nPathFindNodesCount);
if (pVehicle->AutoPilot.m_nPathFindNodesCount < 2){
pVehicle->AutoPilot.m_nPrevRouteNode = pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_nNextRouteNode = 0;
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pVehicle->AutoPilot.m_nPathFindNodesCount = 0;
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return true;
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}
pVehicle->AutoPilot.m_nPrevRouteNode = 0;
pVehicle->AutoPilot.m_nCurrentRouteNode = pVehicle->AutoPilot.m_aPathFindNodesInfo[0] - ThePaths.m_pathNodes;
pVehicle->AutoPilot.RemoveOnePathNode();
pVehicle->AutoPilot.m_nNextRouteNode = pVehicle->AutoPilot.m_aPathFindNodesInfo[0] - ThePaths.m_pathNodes;
pVehicle->AutoPilot.RemoveOnePathNode();
FindLinksToGoWithTheseNodes(pVehicle);
pVehicle->AutoPilot.m_nNextLane = pVehicle->AutoPilot.m_nCurrentLane = 0;
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return false;
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}
void CCarCtrl::FindLinksToGoWithTheseNodes(CVehicle* pVehicle)
{
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if (pVehicle->m_nRouteSeed)
CGeneral::SetRandomSeed(pVehicle->m_nRouteSeed);
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int nextLink;
CPathNode* pCurNode = &ThePaths.m_pathNodes[pVehicle->AutoPilot.m_nCurrentRouteNode];
for (nextLink = 0; nextLink < 12; nextLink++)
if (ThePaths.ConnectedNode(nextLink + pCurNode->firstLink) == pVehicle->AutoPilot.m_nNextRouteNode)
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break;
pVehicle->AutoPilot.m_nNextPathNodeInfo = ThePaths.m_carPathConnections[nextLink + pCurNode->firstLink];
pVehicle->AutoPilot.m_nNextDirection = (pVehicle->AutoPilot.m_nCurrentRouteNode >= pVehicle->AutoPilot.m_nNextRouteNode) ? 1 : -1;
int curLink;
int curConnection;
if (pCurNode->numLinks == 1) {
curLink = 0;
curConnection = ThePaths.m_carPathConnections[pCurNode->firstLink];
}else{
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int closestLink = -1;
float md = 999999.9f;
for (curLink = 0; curLink < pCurNode->numLinks; curLink++) {
int node = ThePaths.ConnectedNode(curLink + pCurNode->firstLink);
CPathNode* pNode = &ThePaths.m_pathNodes[node];
if (node == pVehicle->AutoPilot.m_nNextRouteNode)
continue;
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CVector vCurPos = pCurNode->GetPosition();
CVector vNextPos = pNode->GetPosition();
float dist = CCollision::DistToLine(&vCurPos, &vNextPos, &pVehicle->GetPosition());
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if (dist < md) {
md = dist;
closestLink = curLink;
}
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}
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curConnection = ThePaths.m_carPathConnections[closestLink + pCurNode->firstLink];
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}
pVehicle->AutoPilot.m_nCurrentPathNodeInfo = curConnection;
pVehicle->AutoPilot.m_nCurrentDirection = (ThePaths.ConnectedNode(curLink + pCurNode->firstLink) >= pVehicle->AutoPilot.m_nCurrentRouteNode) ? 1 : -1;
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}
void CCarCtrl::GenerateEmergencyServicesCar(void)
{
if (FindPlayerPed()->m_pWanted->m_nWantedLevel > 3)
return;
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if (CGame::IsInInterior())
return;
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if (NumFiretrucksOnDuty + NumAmbulancesOnDuty + NumParkedCars + NumMissionCars +
NumLawEnforcerCars + NumRandomCars > MaxNumberOfCarsInUse)
return;
if (NumAmbulancesOnDuty == 0){
if (gAccidentManager.CountActiveAccidents() < 2){
if (CStreaming::HasModelLoaded(MI_AMBULAN))
CStreaming::SetModelIsDeletable(MI_MEDIC);
}else{
float distance = 30.0f;
CAccident* pNearestAccident = gAccidentManager.FindNearestAccident(FindPlayerCoors(), &distance);
if (pNearestAccident){
if (CountCarsOfType(MI_AMBULAN) < 2 && CTimer::GetTimeInMilliseconds() > LastTimeAmbulanceCreated + 30000){
CStreaming::RequestModel(MI_AMBULAN, STREAMFLAGS_DEPENDENCY);
CStreaming::RequestModel(MI_MEDIC, STREAMFLAGS_DONT_REMOVE);
if (CStreaming::HasModelLoaded(MI_AMBULAN) && CStreaming::HasModelLoaded(MI_MEDIC)){
if (GenerateOneEmergencyServicesCar(MI_AMBULAN, pNearestAccident->m_pVictim->GetPosition()))
LastTimeAmbulanceCreated = CTimer::GetTimeInMilliseconds();
}
}
}
}
}
if (NumFiretrucksOnDuty == 0){
if (gFireManager.GetTotalActiveFires() < 3){
if (CStreaming::HasModelLoaded(MI_FIRETRUCK))
CStreaming::SetModelIsDeletable(MI_FIREMAN);
}else{
float distance = 30.0f;
CFire* pNearestFire = gFireManager.FindNearestFire(FindPlayerCoors(), &distance);
if (pNearestFire) {
if (CountCarsOfType(MI_FIRETRUCK) < 2 && CTimer::GetTimeInMilliseconds() > LastTimeFireTruckCreated + 30000){
CStreaming::RequestModel(MI_FIRETRUCK, STREAMFLAGS_DEPENDENCY);
CStreaming::RequestModel(MI_FIREMAN, STREAMFLAGS_DONT_REMOVE);
if (CStreaming::HasModelLoaded(MI_FIRETRUCK) && CStreaming::HasModelLoaded(MI_FIREMAN)){
if (GenerateOneEmergencyServicesCar(MI_FIRETRUCK, pNearestFire->m_vecPos))
LastTimeFireTruckCreated = CTimer::GetTimeInMilliseconds();
}
}
}
}
}
}
bool CCarCtrl::GenerateOneEmergencyServicesCar(uint32 mi, CVector vecPos)
{
CVector pPlayerPos = FindPlayerCentreOfWorld(CWorld::PlayerInFocus);
bool created = false;
int attempts = 0;
CVector spawnPos;
int curNode, nextNode;
float posBetweenNodes;
while (!created && attempts < 5){
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if (ThePaths.GenerateCarCreationCoors(pPlayerPos.x, pPlayerPos.y, 0.707f, 0.707f,
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REQUEST_ONSCREEN_DISTANCE, -1.0f, true, &spawnPos, &curNode, &nextNode, &posBetweenNodes, false)){
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int16 colliding[2];
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if (!ThePaths.GetNode(curNode)->bWaterPath) {
CWorld::FindObjectsKindaColliding(spawnPos, 10.0f, true, colliding, 2, nil, false, true, true, false, false);
if (colliding[0] == 0)
created = true;
}
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}
attempts += 1;
}
if (attempts >= 5)
return nil;
CAutomobile* pVehicle = new CAutomobile(mi, RANDOM_VEHICLE);
pVehicle->AutoPilot.m_vecDestinationCoors = vecPos;
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pVehicle->SetPosition(spawnPos);
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pVehicle->AutoPilot.m_nCarMission = (JoinCarWithRoadSystemGotoCoors(pVehicle, vecPos, false)) ? MISSION_GOTOCOORDS_STRAIGHT : MISSION_GOTOCOORDS;
pVehicle->AutoPilot.m_fMaxTrafficSpeed = pVehicle->AutoPilot.m_nCruiseSpeed = 25;
pVehicle->AutoPilot.m_nTempAction = TEMPACT_NONE;
pVehicle->AutoPilot.m_nDrivingStyle = DRIVINGSTYLE_AVOID_CARS;
CVector2D direction = vecPos - spawnPos;
direction.Normalise();
pVehicle->GetForward() = CVector(direction.x, direction.y, 0.0f);
pVehicle->GetRight() = CVector(direction.y, -direction.x, 0.0f);
pVehicle->GetUp() = CVector(0.0f, 0.0f, 1.0f);
spawnPos.z = posBetweenNodes * ThePaths.m_pathNodes[curNode].GetZ() + (1.0f - posBetweenNodes) * ThePaths.m_pathNodes[nextNode].GetZ();
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float groundZ = INFINITE_Z;
CColPoint colPoint;
CEntity* pEntity;
if (CWorld::ProcessVerticalLine(spawnPos, 1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil))
groundZ = colPoint.point.z;
if (CWorld::ProcessVerticalLine(spawnPos, -1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil)) {
if (ABS(colPoint.point.z - spawnPos.z) < ABS(groundZ - spawnPos.z))
groundZ = colPoint.point.z;
}
if (groundZ == INFINITE_Z) {
delete pVehicle;
return false;
}
spawnPos.z = groundZ + pVehicle->GetDistanceFromCentreOfMassToBaseOfModel();
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pVehicle->SetPosition(spawnPos);
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pVehicle->SetMoveSpeed(CVector(0.0f, 0.0f, 0.0f));
pVehicle->SetStatus(STATUS_PHYSICS);
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switch (mi){
case MI_FIRETRUCK:
pVehicle->bIsFireTruckOnDuty = true;
++NumFiretrucksOnDuty;
CCarAI::AddFiretruckOccupants(pVehicle);
break;
case MI_AMBULAN:
pVehicle->bIsAmbulanceOnDuty = true;
++NumAmbulancesOnDuty;
CCarAI::AddAmbulanceOccupants(pVehicle);
break;
}
pVehicle->m_bSirenOrAlarm = true;
CWorld::Add(pVehicle);
printf("CREATED EMERGENCY VEHICLE\n");
return true;
}
void CCarCtrl::UpdateCarCount(CVehicle* pVehicle, bool remove)
{
if (remove){
switch (pVehicle->VehicleCreatedBy){
case RANDOM_VEHICLE:
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if (pVehicle->bIsLawEnforcer) {
if (--NumLawEnforcerCars < 0)
NumLawEnforcerCars = 0;
}
if (--NumRandomCars < 0)
NumRandomCars = 0;
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return;
case MISSION_VEHICLE:
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if (--NumMissionCars < 0)
NumMissionCars = 0;
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return;
case PARKED_VEHICLE:
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if (--NumParkedCars < 0)
NumParkedCars = 0;
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return;
case PERMANENT_VEHICLE:
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if (--NumPermanentCars < 0)
NumPermanentCars = 0;
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return;
}
}
else{
switch (pVehicle->VehicleCreatedBy){
case RANDOM_VEHICLE:
if (pVehicle->bIsLawEnforcer)
++NumLawEnforcerCars;
++NumRandomCars;
return;
case MISSION_VEHICLE:
++NumMissionCars;
return;
case PARKED_VEHICLE:
++NumParkedCars;
return;
case PERMANENT_VEHICLE:
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++NumPermanentCars;
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return;
}
}
}
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bool CCarCtrl::ThisRoadObjectCouldMove(int16 mi)
{
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#ifdef GTA_BRIDGE
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return mi == MI_BRIDGELIFT || mi == MI_BRIDGEROADSEGMENT;
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#else
return false;
#endif
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}
bool CCarCtrl::MapCouldMoveInThisArea(float x, float y)
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{
#ifdef GTA_BRIDGE // actually they forgot that in VC...
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// bridge moves up and down
return x > -342.0f && x < -219.0f &&
y > -677.0f && y < -580.0f;
#else
return false;
#endif
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}
float CCarCtrl::FindSpeedMultiplierWithSpeedFromNodes(int8 type)
{
switch (type)
{
case 1: return 1.5f;
case 2: return 2.0f;
}
return 1.0f;
}