re-GTA/src/vehicles/Cranes.cpp

677 lines
24 KiB
C++

#include "common.h"
#include "Cranes.h"
#include "Camera.h"
#include "DMAudio.h"
#include "Garages.h"
#include "General.h"
#include "Entity.h"
#include "ModelIndices.h"
#include "Replay.h"
#include "Object.h"
#include "World.h"
#define MAX_DISTANCE_TO_FIND_CRANE (10.0f)
#define CRANE_UPDATE_RADIUS (300.0f)
#define CRANE_MOVEMENT_PROCESSING_RADIUS (150.0f)
#define CRUSHER_Z (-0.951f)
#define MILITARY_Z (10.7862f)
#define DISTANCE_FROM_PLAYER_TO_REMOVE_VEHICLE (5.0f)
#define DISTANCE_FROM_HOOK_TO_VEHICLE_TO_COLLECT (0.5f)
#define CAR_REWARD_MILITARY_CRANE (1500)
#define CAR_MOVING_SPEED_THRESHOLD (0.01f)
#define CRANE_SLOWDOWN_MULTIPLIER (0.3f)
#define OSCILLATION_SPEED (0.002f)
#define CAR_ROTATION_SPEED (0.0035f)
#define CRANE_MOVEMENT_SPEED (0.001f)
#define HOOK_ANGLE_MOVEMENT_SPEED (0.004f)
#define HOOK_OFFSET_MOVEMENT_SPEED (0.1f)
#define HOOK_HEIGHT_MOVEMENT_SPEED (0.06f)
#define MESSAGE_SHOW_DURATION (4000)
#define MAX_DISTANCE (99999.9f)
#define MIN_VALID_POSITION (-10000.0f)
#define DEFAULT_OFFSET (20.0f)
uint32 TimerForCamInterpolation;
uint32 CCranes::CarsCollectedMilitaryCrane;
int32 CCranes::NumCranes;
CCrane CCranes::aCranes[NUM_CRANES];
void CCranes::InitCranes(void)
{
CarsCollectedMilitaryCrane = 0;
NumCranes = 0;
for (int i = 0; i < NUMSECTORS_X; i++) {
for (int j = 0; j < NUMSECTORS_Y; j++) {
for (CPtrNode* pNode = CWorld::GetSector(i, j)->m_lists[ENTITYLIST_BUILDINGS].first; pNode; pNode = pNode->next) {
CEntity* pEntity = (CEntity*)pNode->item;
if (MODELID_CRANE_1 == pEntity->GetModelIndex() ||
MODELID_CRANE_2 == pEntity->GetModelIndex() ||
MODELID_CRANE_3 == pEntity->GetModelIndex())
AddThisOneCrane(pEntity);
}
}
}
for (CPtrNode* pNode = CWorld::GetBigBuildingList(LEVEL_INDUSTRIAL).first; pNode; pNode = pNode->next) {
CEntity* pEntity = (CEntity*)pNode->item;
if (MODELID_CRANE_1 == pEntity->GetModelIndex() ||
MODELID_CRANE_2 == pEntity->GetModelIndex() ||
MODELID_CRANE_3 == pEntity->GetModelIndex())
AddThisOneCrane(pEntity);
}
}
void CCranes::AddThisOneCrane(CEntity* pEntity)
{
pEntity->GetMatrix().ResetOrientation();
if (NumCranes >= NUM_CRANES)
return;
CCrane* pCrane = &aCranes[NumCranes];
pCrane->Init();
pCrane->m_pCraneEntity = (CBuilding*)pEntity;
pCrane->m_nCraneStatus = CCrane::NONE;
pCrane->m_fHookAngle = NumCranes; // lol wtf
while (pCrane->m_fHookAngle > TWOPI)
pCrane->m_fHookAngle -= TWOPI;
pCrane->m_fHookOffset = DEFAULT_OFFSET;
pCrane->m_fHookHeight = DEFAULT_OFFSET;
pCrane->m_nTimeForNextCheck = 0;
pCrane->m_nCraneState = CCrane::IDLE;
pCrane->m_bWasMilitaryCrane = false;
pCrane->m_nAudioEntity = DMAudio.CreateEntity(AUDIOTYPE_CRANE, &aCranes[NumCranes]);
if (pCrane->m_nAudioEntity >= 0)
DMAudio.SetEntityStatus(pCrane->m_nAudioEntity, true);
pCrane->m_bIsTop = (MODELID_CRANE_1 != pEntity->GetModelIndex());
// Is this used to avoid military crane?
if (pCrane->m_bIsTop || pEntity->GetPosition().y > 0.0f) {
CObject* pHook = new CObject(MI_MAGNET, false);
pHook->ObjectCreatedBy = MISSION_OBJECT;
pHook->bUsesCollision = false;
pHook->bExplosionProof = true;
pHook->bAffectedByGravity = false;
pCrane->m_pHook = pHook;
pCrane->CalcHookCoordinates(&pCrane->m_vecHookCurPos.x, &pCrane->m_vecHookCurPos.y, &pCrane->m_vecHookCurPos.z);
pCrane->SetHookMatrix();
}
else
pCrane->m_pHook = nil;
NumCranes++;
}
void CCranes::ActivateCrane(float fInfX, float fSupX, float fInfY, float fSupY, float fDropOffX, float fDropOffY, float fDropOffZ, float fHeading, bool bIsCrusher, bool bIsMilitary, float fPosX, float fPosY)
{
float fMinDistance = MAX_DISTANCE;
float X = fPosX, Y = fPosY;
if (X <= MIN_VALID_POSITION || Y <= MIN_VALID_POSITION) {
X = fDropOffX;
Y = fDropOffY;
}
int index = 0;
for (int i = 0; i < NumCranes; i++) {
float distance = (CVector2D(X, Y) - aCranes[i].m_pCraneEntity->GetPosition()).Magnitude();
if (distance < fMinDistance && distance < MAX_DISTANCE_TO_FIND_CRANE) {
fMinDistance = distance;
index = i;
}
}
#ifdef FIX_BUGS // classic
if (fMinDistance == MAX_DISTANCE)
return;
#endif
CCrane* pCrane = &aCranes[index];
pCrane->m_fPickupX1 = fInfX;
pCrane->m_fPickupX2 = fSupX;
pCrane->m_fPickupY1 = fInfY;
pCrane->m_fPickupY2 = fSupY;
pCrane->m_vecDropoffTarget.x = fDropOffX;
pCrane->m_vecDropoffTarget.y = fDropOffY;
pCrane->m_vecDropoffTarget.z = fDropOffZ;
pCrane->m_nCraneStatus = CCrane::ACTIVATED;
pCrane->m_pVehiclePickedUp = nil;
pCrane->m_nVehiclesCollected = 0;
pCrane->m_fDropoffHeading = fHeading;
pCrane->m_bIsCrusher = bIsCrusher;
pCrane->m_bIsMilitaryCrane = bIsMilitary;
bool military = true;
if (!bIsMilitary && !pCrane->m_bWasMilitaryCrane)
military = false;
pCrane->m_bWasMilitaryCrane = military;
pCrane->m_nTimeForNextCheck = 0;
pCrane->m_nCraneState = CCrane::IDLE;
float Z;
if (bIsCrusher)
Z = CRUSHER_Z;
else if (bIsMilitary)
Z = MILITARY_Z;
else
Z = CWorld::FindGroundZForCoord((fInfX + fSupX) / 2, (fInfY + fSupY) / 2);
pCrane->FindParametersForTarget((fInfX + fSupX) / 2, (fInfY + fSupY) / 2, Z, &pCrane->m_fPickupAngle, &pCrane->m_fPickupDistance, &pCrane->m_fPickupHeight);
pCrane->FindParametersForTarget(fDropOffX, fDropOffY, fDropOffZ, &pCrane->m_fDropoffAngle, &pCrane->m_fDropoffDistance, &pCrane->m_fDropoffHeight);
}
void CCranes::DeActivateCrane(float X, float Y)
{
float fMinDistance = MAX_DISTANCE;
int index = 0;
for (int i = 0; i < NumCranes; i++) {
float distance = (CVector2D(X, Y) - aCranes[i].m_pCraneEntity->GetPosition()).Magnitude();
if (distance < fMinDistance && distance < MAX_DISTANCE_TO_FIND_CRANE) {
fMinDistance = distance;
index = i;
}
}
#ifdef FIX_BUGS // classic
if (fMinDistance == MAX_DISTANCE)
return;
#endif
aCranes[index].m_nCraneStatus = CCrane::DEACTIVATED;
aCranes[index].m_nCraneState = CCrane::IDLE;
}
bool CCranes::IsThisCarPickedUp(float X, float Y, CVehicle* pVehicle)
{
int index = 0;
bool result = false;
for (int i = 0; i < NumCranes; i++) {
float distance = (CVector2D(X, Y) - aCranes[i].m_pCraneEntity->GetPosition()).Magnitude();
if (distance < MAX_DISTANCE_TO_FIND_CRANE && aCranes[i].m_pVehiclePickedUp == pVehicle) {
if (aCranes[i].m_nCraneState == CCrane::LIFTING_TARGET || aCranes[i].m_nCraneState == CCrane::ROTATING_TARGET)
result = true;
}
}
return result;
}
void CCranes::UpdateCranes(void)
{
for (int i = 0; i < NumCranes; i++) {
if (aCranes[i].m_bIsTop || aCranes[i].m_bIsCrusher ||
(TheCamera.GetPosition().x + CRANE_UPDATE_RADIUS > aCranes[i].m_pCraneEntity->GetPosition().x &&
TheCamera.GetPosition().x - CRANE_UPDATE_RADIUS < aCranes[i].m_pCraneEntity->GetPosition().x &&
TheCamera.GetPosition().y + CRANE_UPDATE_RADIUS > aCranes[i].m_pCraneEntity->GetPosition().y &&
TheCamera.GetPosition().y + CRANE_UPDATE_RADIUS < aCranes[i].m_pCraneEntity->GetPosition().y))
aCranes[i].Update();
}
}
void CCrane::Update(void)
{
if (CReplay::IsPlayingBack())
return;
if (((m_nCraneStatus == ACTIVATED || m_nCraneStatus == DEACTIVATED) &&
Abs(TheCamera.GetGameCamPosition().x - m_pCraneEntity->GetPosition().x) < CRANE_MOVEMENT_PROCESSING_RADIUS &&
Abs(TheCamera.GetGameCamPosition().y - m_pCraneEntity->GetPosition().y) < CRANE_MOVEMENT_PROCESSING_RADIUS) ||
m_nCraneState != IDLE) {
switch (m_nCraneState) {
case IDLE:
if (GoTowardsTarget(m_fPickupAngle, m_fPickupDistance, GetHeightToPickup()) &&
CTimer::GetTimeInMilliseconds() > m_nTimeForNextCheck) {
CWorld::AdvanceCurrentScanCode();
#ifdef FIX_BUGS
int xstart = Max(0, CWorld::GetSectorIndexX(m_fPickupX1));
int xend = Min(NUMSECTORS_X - 1, CWorld::GetSectorIndexX(m_fPickupX2));
int ystart = Max(0, CWorld::GetSectorIndexY(m_fPickupY1));
int yend = Min(NUMSECTORS_Y - 1, CWorld::GetSectorIndexY(m_fPickupY2));
#else
int xstart = CWorld::GetSectorIndexX(m_fPickupX1);
int xend = CWorld::GetSectorIndexX(m_fPickupX2);
int ystart = CWorld::GetSectorIndexY(m_fPickupY1);
int yend = CWorld::GetSectorIndexY(m_fPickupY1);
#endif
assert(xstart <= xend);
assert(ystart <= yend);
for (int i = xstart; i <= xend; i++) {
for (int j = ystart; j <= yend; j++) {
FindCarInSectorList(&CWorld::GetSector(i, j)->m_lists[ENTITYLIST_VEHICLES]);
FindCarInSectorList(&CWorld::GetSector(i, j)->m_lists[ENTITYLIST_VEHICLES_OVERLAP]);
}
}
}
break;
case GOING_TOWARDS_TARGET:
if (m_pVehiclePickedUp){
if (m_pVehiclePickedUp->GetPosition().x < m_fPickupX1 ||
m_pVehiclePickedUp->GetPosition().x > m_fPickupX2 ||
m_pVehiclePickedUp->GetPosition().y < m_fPickupY1 ||
m_pVehiclePickedUp->GetPosition().y > m_fPickupY2 ||
m_pVehiclePickedUp->pDriver ||
Abs(m_pVehiclePickedUp->GetMoveSpeed().x) > CAR_MOVING_SPEED_THRESHOLD ||
Abs(m_pVehiclePickedUp->GetMoveSpeed().y) > CAR_MOVING_SPEED_THRESHOLD ||
Abs(m_pVehiclePickedUp->GetMoveSpeed().z) > CAR_MOVING_SPEED_THRESHOLD ||
(FindPlayerPed()->GetPedState() == PED_ENTER_CAR
#ifdef FIX_BUGS
|| FindPlayerPed()->GetPedState() == PED_CARJACK
#endif
) && FindPlayerPed()->m_pSeekTarget == m_pVehiclePickedUp) {
m_pVehiclePickedUp = nil;
m_nCraneState = IDLE;
}
else {
float fAngle, fOffset, fHeight;
FindParametersForTarget(
m_pVehiclePickedUp->GetPosition().x,
m_pVehiclePickedUp->GetPosition().y,
m_pVehiclePickedUp->GetPosition().z + m_pVehiclePickedUp->GetColModel()->boundingBox.max.z,
&fAngle, &fOffset, &fHeight);
if (GoTowardsTarget(fAngle, fOffset, fHeight)) {
CVector distance = m_pVehiclePickedUp->GetPosition() - m_vecHookCurPos;
distance.z += m_pVehiclePickedUp->GetColModel()->boundingBox.max.z;
if (distance.MagnitudeSqr() < SQR(DISTANCE_FROM_HOOK_TO_VEHICLE_TO_COLLECT)) {
m_nCraneState = GOING_TOWARDS_TARGET_ONLY_HEIGHT;
m_vecHookVelocity *= 0.4f;
m_pVehiclePickedUp->bLightsOn = false;
m_pVehiclePickedUp->bUsesCollision = false;
if (m_bIsCrusher)
m_pVehiclePickedUp->bCollisionProof = true;
DMAudio.PlayOneShot(m_nAudioEntity, SOUND_CRANE_PICKUP, 0.0f);
}
}
}
}
else
m_nCraneState = IDLE;
break;
case LIFTING_TARGET:
RotateCarriedCarProperly();
if (GoTowardsTarget(m_fDropoffAngle, m_fDropoffDistance, GetHeightToDropoff(), CRANE_SLOWDOWN_MULTIPLIER))
m_nCraneState = ROTATING_TARGET;
if (!m_pVehiclePickedUp || m_pVehiclePickedUp->pDriver) {
m_pVehiclePickedUp = nil;
m_nCraneState = IDLE;
}
break;
case GOING_TOWARDS_TARGET_ONLY_HEIGHT:
RotateCarriedCarProperly();
if (GoTowardsHeightTarget(GetHeightToPickupHeight(), CRANE_SLOWDOWN_MULTIPLIER))
m_nCraneState = LIFTING_TARGET;
TimerForCamInterpolation = CTimer::GetTimeInMilliseconds();
if (!m_pVehiclePickedUp || m_pVehiclePickedUp->pDriver) {
m_pVehiclePickedUp = nil;
m_nCraneState = IDLE;
}
break;
case ROTATING_TARGET:
{
bool bRotateFinished = RotateCarriedCarProperly();
bool bMovementFinished = GoTowardsTarget(m_fDropoffAngle, m_fDropoffDistance, m_fDropoffHeight, 0.3f);
if (bMovementFinished && bRotateFinished) {
float fDistanceFromPlayer = m_pVehiclePickedUp ? ((CVector2D)FindPlayerCoors() - (CVector2D)m_pVehiclePickedUp->GetPosition()).Magnitude() : 0.0f;
if (fDistanceFromPlayer > DISTANCE_FROM_PLAYER_TO_REMOVE_VEHICLE || !m_bWasMilitaryCrane) {
m_nCraneState = DROPPING_TARGET;
if (m_pVehiclePickedUp) {
m_pVehiclePickedUp->bUsesCollision = true;
m_pVehiclePickedUp->m_nStaticFrames = 0;
++m_nVehiclesCollected;
if (m_bIsMilitaryCrane) {
CCranes::RegisterCarForMilitaryCrane(m_pVehiclePickedUp->GetModelIndex());
if (!CCranes::HaveAllCarsBeenCollectedByMilitaryCrane()) {
CWorld::Players[CWorld::PlayerInFocus].m_nMoney += CAR_REWARD_MILITARY_CRANE;
CGarages::TriggerMessage("GA_10", CAR_REWARD_MILITARY_CRANE, MESSAGE_SHOW_DURATION, -1);
}
CWorld::Remove(m_pVehiclePickedUp);
delete m_pVehiclePickedUp;
}
}
m_pVehiclePickedUp = nil;
}
}
break;
}
case DROPPING_TARGET:
if (GoTowardsTarget(m_fDropoffAngle, m_fDropoffDistance, GetHeightToDropoffHeight(), CRANE_SLOWDOWN_MULTIPLIER)) {
m_nCraneState = IDLE;
m_nTimeForNextCheck = CTimer::GetTimeInMilliseconds() + 10000;
}
break;
default:
break;
}
CVector vecHook;
CalcHookCoordinates(&vecHook.x, &vecHook.y, &vecHook.z);
m_vecHookVelocity += ((CVector2D)vecHook - (CVector2D)m_vecHookCurPos) * CTimer::GetTimeStep() * CRANE_MOVEMENT_SPEED;
m_vecHookVelocity *= Pow(0.98f, CTimer::GetTimeStep());
m_vecHookCurPos.x += m_vecHookVelocity.x * CTimer::GetTimeStep();
m_vecHookCurPos.y += m_vecHookVelocity.y * CTimer::GetTimeStep();
m_vecHookCurPos.z = vecHook.z;
switch (m_nCraneState) {
case LIFTING_TARGET:
case GOING_TOWARDS_TARGET_ONLY_HEIGHT:
case ROTATING_TARGET:
if (m_pVehiclePickedUp) {
m_pVehiclePickedUp->SetPosition(m_vecHookCurPos.x, m_vecHookCurPos.y, m_vecHookCurPos.z - m_pVehiclePickedUp->GetColModel()->boundingBox.max.z);
m_pVehiclePickedUp->SetMoveSpeed(0.0f, 0.0f, 0.0f);
CVector up(vecHook.x - m_vecHookCurPos.x, vecHook.y - m_vecHookCurPos.y, 20.0f);
up.Normalise();
m_pVehiclePickedUp->GetRight() = CrossProduct(m_pVehiclePickedUp->GetForward(), up);
m_pVehiclePickedUp->GetForward() = CrossProduct(up, m_pVehiclePickedUp->GetRight());
m_pVehiclePickedUp->GetUp() = up;
}
break;
default:
break;
}
}
else {
int16 rnd = (m_pCraneEntity->m_randomSeed + (CTimer::GetTimeInMilliseconds() >> 11)) & 0xF;
// 16 options, lasting 2048 ms each
// a bit awkward: why there are 4 periods for -= and 6 for +=? is it a bug?
if (rnd < 4) {
m_fHookAngle -= OSCILLATION_SPEED * CTimer::GetTimeStep();
if (m_fHookAngle < 0.0f)
m_fHookAngle += TWOPI;
}
else if (rnd > 5 && rnd < 12) {
m_fHookAngle += OSCILLATION_SPEED * CTimer::GetTimeStep();
if (m_fHookAngle > TWOPI)
m_fHookAngle -= TWOPI;
}
CalcHookCoordinates(&m_vecHookCurPos.x, &m_vecHookCurPos.y, &m_vecHookCurPos.z);
m_vecHookVelocity.x = m_vecHookVelocity.y = 0.0f;
}
float fCos = Cos(m_fHookAngle);
float fSin = Sin(m_fHookAngle);
m_pCraneEntity->GetRight().x = fCos;
m_pCraneEntity->GetForward().y = fCos;
m_pCraneEntity->GetRight().y = fSin;
m_pCraneEntity->GetForward().x = -fSin;
m_pCraneEntity->GetMatrix().UpdateRW();
m_pCraneEntity->UpdateRwFrame();
SetHookMatrix();
}
bool CCrane::RotateCarriedCarProperly()
{
if (m_fDropoffHeading <= 0.0f)
return true;
if (!m_pVehiclePickedUp)
return true;
float fAngleDelta = m_fDropoffHeading - CGeneral::GetATanOfXY(m_pVehiclePickedUp->GetForward().x, m_pVehiclePickedUp->GetForward().y);
while (fAngleDelta < -HALFPI)
fAngleDelta += PI;
while (fAngleDelta > HALFPI)
fAngleDelta -= PI;
float fDeltaThisFrame = CAR_ROTATION_SPEED * CTimer::GetTimeStep();
if (Abs(fAngleDelta) <= fDeltaThisFrame) // no rotation is actually applied?
return true;
m_pVehiclePickedUp->GetMatrix().RotateZ(fAngleDelta < 0 ? -fDeltaThisFrame : fDeltaThisFrame);
return false;
}
void CCrane::FindCarInSectorList(CPtrList* pList)
{
CPtrNode* node;
for (node = pList->first; node; node = node->next) {
CVehicle* pVehicle = (CVehicle*)node->item;
if (pVehicle->m_scanCode == CWorld::GetCurrentScanCode())
continue;
pVehicle->m_scanCode = CWorld::GetCurrentScanCode();
if (pVehicle->GetPosition().x < m_fPickupX1 || pVehicle->GetPosition().x > m_fPickupX2 ||
pVehicle->GetPosition().y < m_fPickupY1 || pVehicle->GetPosition().y > m_fPickupY2)
continue;
if (pVehicle->pDriver)
continue;
if (Abs(pVehicle->GetMoveSpeed().x) >= CAR_MOVING_SPEED_THRESHOLD ||
Abs(pVehicle->GetMoveSpeed().y) >= CAR_MOVING_SPEED_THRESHOLD ||
Abs(pVehicle->GetMoveSpeed().z) >= CAR_MOVING_SPEED_THRESHOLD)
continue;
if (!pVehicle->IsCar() || pVehicle->GetStatus() == STATUS_WRECKED || pVehicle->m_fHealth < 250.0f)
continue;
if (!DoesCranePickUpThisCarType(pVehicle->GetModelIndex()) ||
m_bIsMilitaryCrane && CCranes::DoesMilitaryCraneHaveThisOneAlready(pVehicle->GetModelIndex())) {
if (!pVehicle->bCraneMessageDone) {
pVehicle->bCraneMessageDone = true;
if (!m_bIsMilitaryCrane)
CGarages::TriggerMessage("CR_1", -1, MESSAGE_SHOW_DURATION, -1); // Crane cannot lift this vehicle.
else if (DoesCranePickUpThisCarType(pVehicle->GetModelIndex()))
CGarages::TriggerMessage("GA_20", -1, MESSAGE_SHOW_DURATION, -1); // We got more of these than we can shift. Sorry man, no deal.
else
CGarages::TriggerMessage("GA_19", -1, MESSAGE_SHOW_DURATION, -1); // We're not interested in that model.
}
}
else {
m_pVehiclePickedUp = pVehicle;
pVehicle->RegisterReference((CEntity**)&m_pVehiclePickedUp);
m_nCraneState = GOING_TOWARDS_TARGET;
}
}
}
bool CCrane::DoesCranePickUpThisCarType(uint32 mi)
{
if (m_bIsCrusher) {
return mi != MI_FIRETRUCK &&
mi != MI_TRASH &&
#ifdef FIX_BUGS
mi != MI_COACH &&
#else
mi != MI_BLISTA &&
#endif
mi != MI_SECURICA &&
mi != MI_BUS &&
mi != MI_DODO &&
mi != MI_RHINO;
}
if (m_bIsMilitaryCrane) {
return mi == MI_FIRETRUCK ||
mi == MI_AMBULAN ||
mi == MI_ENFORCER ||
mi == MI_FBICAR ||
mi == MI_RHINO ||
mi == MI_BARRACKS ||
mi == MI_POLICE;
}
return true;
}
bool CCranes::DoesMilitaryCraneHaveThisOneAlready(uint32 mi)
{
switch (mi) {
case MI_FIRETRUCK: return (CarsCollectedMilitaryCrane & 1);
case MI_AMBULAN: return (CarsCollectedMilitaryCrane & 2);
case MI_ENFORCER: return (CarsCollectedMilitaryCrane & 4);
case MI_FBICAR: return (CarsCollectedMilitaryCrane & 8);
case MI_RHINO: return (CarsCollectedMilitaryCrane & 0x10);
case MI_BARRACKS: return (CarsCollectedMilitaryCrane & 0x20);
case MI_POLICE: return (CarsCollectedMilitaryCrane & 0x40);
default: break;
}
return false;
}
void CCranes::RegisterCarForMilitaryCrane(uint32 mi)
{
switch (mi) {
case MI_FIRETRUCK: CarsCollectedMilitaryCrane |= 1; break;
case MI_AMBULAN: CarsCollectedMilitaryCrane |= 2; break;
case MI_ENFORCER: CarsCollectedMilitaryCrane |= 4; break;
case MI_FBICAR: CarsCollectedMilitaryCrane |= 8; break;
case MI_RHINO: CarsCollectedMilitaryCrane |= 0x10; break;
case MI_BARRACKS: CarsCollectedMilitaryCrane |= 0x20; break;
case MI_POLICE: CarsCollectedMilitaryCrane |= 0x40; break;
default: break;
}
}
bool CCranes::HaveAllCarsBeenCollectedByMilitaryCrane()
{
return (CarsCollectedMilitaryCrane & 0x7F) == 0x7F;
}
bool CCrane::GoTowardsTarget(float fAngleToTarget, float fDistanceToTarget, float fTargetHeight, float fSpeedMultiplier)
{
bool bAngleMovementFinished, bOffsetMovementFinished, bHeightMovementFinished;
float fHookAngleDelta = fAngleToTarget - m_fHookAngle;
while (fHookAngleDelta > PI)
fHookAngleDelta -= TWOPI;
while (fHookAngleDelta < -PI)
fHookAngleDelta += TWOPI;
float fHookAngleChangeThisFrame = fSpeedMultiplier * CTimer::GetTimeStep() * HOOK_ANGLE_MOVEMENT_SPEED;
if (Abs(fHookAngleDelta) < fHookAngleChangeThisFrame) {
m_fHookAngle = fAngleToTarget;
bAngleMovementFinished = true;
} else {
if (fHookAngleDelta < 0.0f) {
m_fHookAngle -= fHookAngleChangeThisFrame;
if (m_fHookAngle < 0.0f)
m_fHookAngle += TWOPI;
}
else {
m_fHookAngle += fHookAngleChangeThisFrame;
if (m_fHookAngle > TWOPI)
m_fHookAngle -= TWOPI;
}
bAngleMovementFinished = false;
}
float fHookOffsetDelta = fDistanceToTarget - m_fHookOffset;
float fHookOffsetChangeThisFrame = fSpeedMultiplier * CTimer::GetTimeStep() * HOOK_OFFSET_MOVEMENT_SPEED;
if (Abs(fHookOffsetDelta) < fHookOffsetChangeThisFrame) {
m_fHookOffset = fDistanceToTarget;
bOffsetMovementFinished = true;
} else {
if (fHookOffsetDelta < 0.0f)
m_fHookOffset -= fHookOffsetChangeThisFrame;
else
m_fHookOffset += fHookOffsetChangeThisFrame;
bOffsetMovementFinished = false;
}
float fHookHeightDelta = fTargetHeight - m_fHookHeight;
float fHookHeightChangeThisFrame = fSpeedMultiplier * CTimer::GetTimeStep() * HOOK_HEIGHT_MOVEMENT_SPEED;
if (Abs(fHookHeightDelta) < fHookHeightChangeThisFrame) {
m_fHookHeight = fTargetHeight;
bHeightMovementFinished = true;
} else {
if (fHookHeightDelta < 0.0f)
m_fHookHeight -= fHookHeightChangeThisFrame;
else
m_fHookHeight += fHookHeightChangeThisFrame;
bHeightMovementFinished = false;
}
return bAngleMovementFinished && bOffsetMovementFinished && bHeightMovementFinished;
}
bool CCrane::GoTowardsHeightTarget(float fTargetHeight, float fSpeedMultiplier)
{
bool bHeightMovementFinished;
float fHookHeightDelta = fTargetHeight - m_fHookHeight;
float fHookHeightChangeThisFrame = fSpeedMultiplier * CTimer::GetTimeStep() * HOOK_HEIGHT_MOVEMENT_SPEED;
if (Abs(fHookHeightDelta) < fHookHeightChangeThisFrame) {
m_fHookHeight = fTargetHeight;
bHeightMovementFinished = true;
} else {
if (fHookHeightDelta < 0.0f)
m_fHookHeight -= fHookHeightChangeThisFrame;
else
m_fHookHeight += fHookHeightChangeThisFrame;
bHeightMovementFinished = false;
}
return bHeightMovementFinished;
}
void CCrane::FindParametersForTarget(float X, float Y, float Z, float* pAngle, float* pDistance, float* pHeight)
{
*pAngle = CGeneral::GetATanOfXY(X - m_pCraneEntity->GetPosition().x, Y - m_pCraneEntity->GetPosition().y);
*pDistance = ((CVector2D(X, Y) - (CVector2D)m_pCraneEntity->GetPosition())).Magnitude();
*pHeight = Z;
}
void CCrane::CalcHookCoordinates(float* pX, float* pY, float* pZ)
{
*pX = Cos(m_fHookAngle) * m_fHookOffset + m_pCraneEntity->GetPosition().x;
*pY = Sin(m_fHookAngle) * m_fHookOffset + m_pCraneEntity->GetPosition().y;
*pZ = m_fHookHeight;
}
void CCrane::SetHookMatrix()
{
if (m_pHook == nil)
return;
m_pHook->SetPosition(m_vecHookCurPos);
CVector up(m_vecHookInitPos.x - m_vecHookCurPos.x, m_vecHookInitPos.y - m_vecHookCurPos.y, 20.0f);
up.Normalise();
m_pHook->GetRight() = CrossProduct(CVector(0.0f, 1.0f, 0.0f), up);
m_pHook->GetForward() = CrossProduct(up, m_pHook->GetRight());
m_pHook->GetUp() = up;
m_pHook->SetOrientation(0.0f, 0.0f, -HALFPI);
m_pHook->GetMatrix().UpdateRW();
m_pHook->UpdateRwFrame();
CWorld::Remove(m_pHook);
CWorld::Add(m_pHook);
}
bool CCranes::IsThisCarBeingCarriedByAnyCrane(CVehicle* pVehicle)
{
for (int i = 0; i < NumCranes; i++) {
if (pVehicle == aCranes[i].m_pVehiclePickedUp) {
switch (aCranes[i].m_nCraneState) {
case CCrane::GOING_TOWARDS_TARGET_ONLY_HEIGHT:
case CCrane::LIFTING_TARGET:
case CCrane::ROTATING_TARGET:
return true;
default:
break;
}
}
}
return false;
}
bool CCranes::IsThisCarBeingTargettedByAnyCrane(CVehicle* pVehicle)
{
for (int i = 0; i < NumCranes; i++) {
if (pVehicle == aCranes[i].m_pVehiclePickedUp)
return true;
}
return false;
}
void CCranes::Save(uint8* buf, uint32* size)
{
INITSAVEBUF
*size = 2 * sizeof(uint32) + sizeof(aCranes);
WriteSaveBuf(buf, NumCranes);
WriteSaveBuf(buf, CarsCollectedMilitaryCrane);
for (int i = 0; i < NUM_CRANES; i++) {
CCrane *pCrane = WriteSaveBuf(buf, aCranes[i]);
if (pCrane->m_pCraneEntity != nil)
pCrane->m_pCraneEntity = (CBuilding*)(CPools::GetBuildingPool()->GetJustIndex_NoFreeAssert(pCrane->m_pCraneEntity) + 1);
if (pCrane->m_pHook != nil)
pCrane->m_pHook = (CObject*)(CPools::GetObjectPool()->GetJustIndex_NoFreeAssert(pCrane->m_pHook) + 1);
if (pCrane->m_pVehiclePickedUp != nil)
pCrane->m_pVehiclePickedUp = (CVehicle*)(CPools::GetVehiclePool()->GetJustIndex_NoFreeAssert(pCrane->m_pVehiclePickedUp) + 1);
}
VALIDATESAVEBUF(*size);
}
void CCranes::Load(uint8* buf, uint32 size)
{
INITSAVEBUF
NumCranes = ReadSaveBuf<int32>(buf);
CarsCollectedMilitaryCrane = ReadSaveBuf<uint32>(buf);
for (int i = 0; i < NUM_CRANES; i++)
aCranes[i] = ReadSaveBuf<CCrane>(buf);
for (int i = 0; i < NUM_CRANES; i++) {
CCrane *pCrane = &aCranes[i];
if (pCrane->m_pCraneEntity != nil)
pCrane->m_pCraneEntity = CPools::GetBuildingPool()->GetSlot((uintptr)pCrane->m_pCraneEntity - 1);
if (pCrane->m_pHook != nil)
pCrane->m_pHook = CPools::GetObjectPool()->GetSlot((uintptr)pCrane->m_pHook - 1);
if (pCrane->m_pVehiclePickedUp != nil)
pCrane->m_pVehiclePickedUp = CPools::GetVehiclePool()->GetSlot((uintptr)pCrane->m_pVehiclePickedUp - 1);
}
for (int i = 0; i < NUM_CRANES; i++) {
aCranes[i].m_nAudioEntity = DMAudio.CreateEntity(AUDIOTYPE_CRANE, &aCranes[i]);
if (aCranes[i].m_nAudioEntity != 0)
DMAudio.SetEntityStatus(aCranes[i].m_nAudioEntity, true);
}
VALIDATESAVEBUF(size);
}