void CVehicleSeatActionRotateTurret::MaintainPartRotationWorldSpace(EVehicleTurretRotationType eType)
{
CVehiclePartBase* pPart = m_rotations[eType].m_pPart;
IVehiclePart* pParent = pPart->GetParent();
IActor* pActor = m_pSeat->GetPassengerActor();
bool remote = m_pSeat->GetCurrentTransition() == IVehicleSeat::eVT_RemoteUsage;
bool worldSpace = m_rotations[eType].m_worldSpace && VehicleCVars().v_independentMountedGuns != 0;
if (worldSpace && pParent && pActor && pActor->IsClient() && !remote)
{
// we want to keep the old worldspace rotation
// therefore we're updating the local transform from it
// NB: there is no need to clamp here, its done later
Matrix34 localTM = pParent->GetWorldTM().GetInverted() * Matrix34(m_rotations[eType].m_prevWorldQuat);
localTM.OrthonormalizeFast(); // precision issue
const Matrix34 &baseTM = pPart->GetLocalBaseTM();
if (!Matrix34::IsEquivalent(baseTM,localTM))
{
Ang3 anglesCurr(baseTM);
Ang3 angles(localTM);
if (eType == eVTRT_Pitch)
{
angles.y = anglesCurr.y;
angles.z = anglesCurr.z;
}
else if (eType == eVTRT_Yaw)
{
angles.x = anglesCurr.x;
angles.y = anglesCurr.y;
}
localTM.SetRotationXYZ(angles);
localTM.SetTranslation(baseTM.GetTranslation());
pPart->SetLocalBaseTM(localTM);
m_pSeat->ChangedNetworkState(CVehicle::ASPECT_PART_MATRIX);
}
#if ENABLE_VEHICLE_DEBUG
if (VehicleCVars().v_debugdraw == eVDB_Parts)
{
float color[] = {1,1,1,1};
Ang3 a(localTM), aBase(baseTM);
gEnv->pRenderer->Draw2dLabel(200,200,1.4f,color,false,"localAng: %.1f (real: %.1f)", RAD2DEG(a.z), RAD2DEG(aBase.z));
}
#endif
}
}
//------------------------------------------------------------------------
void CVehicleSeatActionRotateTurret::UpdatePartRotation(EVehicleTurretRotationType eType, float frameTime)
{
CRY_ASSERT( eType < eVTRT_NumRotationTypes );
const float threshold = 0.01f;
if (frameTime > 0.08f) frameTime = 0.08f;
CVehiclePartBase* pPart = m_rotations[eType].m_pPart;
IVehiclePart* pParent = pPart->GetParent();
IActor* pActor = m_pSeat->GetPassengerActor();
float rot_dir = fsgnf(m_rotations[eType].m_action);
float max_rotation = fabsf(m_rotations[eType].m_action);
float rot_speed = DEG2RAD(fabsf(m_rotations[eType].m_speed)) * GetDamageSpeedMul(pPart);
float delta = rot_dir * rot_speed * frameTime;
delta += m_rotations[eType].m_aimAssist;
delta = fmod(delta, gf_PI2);
if (delta > gf_PI) delta -= gf_PI2;
if (delta < -gf_PI) delta += gf_PI2;
Limit( delta, -max_rotation, max_rotation);
Ang3 deltaAngles(ZERO);
if (eType == eVTRT_Pitch)
deltaAngles.x = delta;
else if (eType == eVTRT_Yaw)
deltaAngles.z = delta;
else
CRY_ASSERT(false && "Unknown turret rotation");
Matrix34 tm = pPart->GetLocalBaseTM();
Ang3 angles = Ang3::GetAnglesXYZ(tm) + deltaAngles;
float lerp = 0.f;
if (eType == eVTRT_Pitch)
{
Vec3 yAxis = m_rotations[eVTRT_Yaw].m_pPart->GetLocalBaseTM().GetColumn1();
yAxis.z = 0.f;
yAxis.normalize();
lerp = 0.5f - 0.5f * yAxis.y;
Limit(lerp, 0.0f, 1.0f);
}
// clamp to limits
if (m_rotations[eType].m_minLimitF != 0.0f || m_rotations[eType].m_maxLimit != 0.0f)
{
// Different clamp angles facing forwards/backwards
float minLimit = m_rotations[eType].m_minLimitF + (m_rotations[eType].m_minLimitB - m_rotations[eType].m_minLimitF) * lerp;
float angle = (eType == eVTRT_Pitch) ? angles.x : angles.z;
if (angle > m_rotations[eType].m_maxLimit || angle < minLimit)
{
angle = clamp_tpl(angle, minLimit, m_rotations[eType].m_maxLimit);
m_rotations[eType].m_currentValue = 0.f;
if (eType == eVTRT_Pitch)
angles.x = angle;
else
angles.z = angle;
}
}
m_rotations[eType].m_orientation.Set(Quat::CreateRotationXYZ(angles));
m_rotations[eType].m_orientation.Update(frameTime);
m_rotations[eType].m_action = 0.0f;
m_rotations[eType].m_aimAssist = 0.0f;
Matrix34 newTM(m_rotations[eType].m_orientation.Get().GetNormalized());
newTM.SetTranslation(tm.GetTranslation());
pPart->SetLocalBaseTM(newTM);
// store world-space rotation
const Matrix34 &worldTM = pPart->GetWorldTM();
m_rotations[eType].m_prevWorldQuat = Quat(worldTM);
CRY_ASSERT(m_rotations[eType].m_prevWorldQuat.IsValid());
// now update the turret sound based on the calculated rotation speed
UpdateRotationSound(eType, delta, frameTime);
}
