void CMountedGunController::Update(EntityId mountedGunID, float frameTime)
{
CRY_ASSERT_MESSAGE(m_pControlledPlayer, "Controlled player not initialized");
CItem* pMountedGun = static_cast<CItem*>(gEnv->pGame->GetIGameFramework()->GetIItemSystem()->GetItem(mountedGunID));
bool canUpdateMountedGun = (pMountedGun != NULL) && (pMountedGun->GetStats().mounted);
if (canUpdateMountedGun)
{
IMovementController * pMovementController = m_pControlledPlayer->GetMovementController();
assert(pMovementController);
SMovementState info;
pMovementController->GetMovementState(info);
IEntity* pMountedGunEntity = pMountedGun->GetEntity();
const Matrix34& lastMountedGunWorldTM = pMountedGunEntity->GetWorldTM();
Vec3 desiredAimDirection = info.aimDirection.GetNormalized();
// AI can switch directions too fast, prevent snapping
if(!m_pControlledPlayer->IsPlayer())
{
const Vec3 currentDir = lastMountedGunWorldTM.GetColumn1();
const float dot = clamp(currentDir.Dot(desiredAimDirection), -1.0f, 1.0f);
const float reqAngle = cry_acosf(dot);
const float maxRotSpeed = 2.0f;
const float maxAngle = frameTime * maxRotSpeed;
if(fabs(reqAngle) > maxAngle)
{
const Vec3 axis = currentDir.Cross(desiredAimDirection);
if(axis.GetLengthSquared() > 0.001f) // current dir and new dir are enough different
{
desiredAimDirection = currentDir.GetRotated(axis.GetNormalized(),sgn(reqAngle)*maxAngle);
}
}
}
bool isUserClient = m_pControlledPlayer->IsClient();
IEntity* pMountedGunParentEntity = pMountedGunEntity->GetParent();
IVehicle *pVehicle = NULL;
if(pMountedGunParentEntity && m_pControlledPlayer)
pVehicle = m_pControlledPlayer->GetLinkedVehicle();
CRecordingSystem* pRecordingSystem = g_pGame->GetRecordingSystem();
//For client update always, for others only when there is notable change
if (!pVehicle && (isUserClient || (!desiredAimDirection.IsEquivalent(lastMountedGunWorldTM.GetColumn1(), 0.003f))))
{
Quat rotation = Quat::CreateRotationVDir(desiredAimDirection, 0.0f);
pMountedGunEntity->SetRotation(rotation);
if (isUserClient && pRecordingSystem)
{
// Only record the gun position if you're using the gun.
pRecordingSystem->OnMountedGunRotate(pMountedGunEntity, rotation);
}
}
const Vec3 vInitialAimDirection = GetMountDirection(pMountedGun, pMountedGunParentEntity);
assert( vInitialAimDirection.IsUnit() );
//Adjust gunner position and animations
UpdateGunnerLocation(pMountedGun, pMountedGunParentEntity, vInitialAimDirection);
const float aimrad = Ang3::CreateRadZ(Vec2(vInitialAimDirection),Vec2(-desiredAimDirection));
const float pitchLimit = sin_tpl(DEG2RAD(30.0f));
const float animHeight = fabs_tpl(clamp(desiredAimDirection.z * (float)__fres(pitchLimit), -1.0f, 1.0f));
const float aimUp = (float)__fsel(-desiredAimDirection.z, 0.0f, animHeight);
const float aimDown = (float)__fsel(desiredAimDirection.z, 0.0f, animHeight);
if (pRecordingSystem)
{
pRecordingSystem->OnMountedGunUpdate(m_pControlledPlayer, aimrad, aimUp, aimDown);
}
if(!m_pControlledPlayer->IsThirdPerson())
{
UpdateFirstPersonAnimations(pMountedGun, desiredAimDirection);
}
if(m_pMovementAction)
{
const float aimUpParam = aimUp;
const float aimDownParam = aimDown;
const float aimMovementParam = CalculateAnimationTime(aimrad);
m_pMovementAction->SetParam(MountedGunCRCs.aimUpParam, aimUpParam);
m_pMovementAction->SetParam(MountedGunCRCs.aimDownParam, aimDownParam);
m_pMovementAction->SetParam(MountedGunCRCs.aimMovementParam, aimMovementParam);
}
UpdateIKMounted(pMountedGun);
}
}
