void CreateView()
{
if (gEnv->pGame == NULL)
return;
IGameFramework* pGF = gEnv->pGame->GetIGameFramework();
if (pGF == NULL)
return;
m_pViewSystem = pGF->GetIViewSystem();
if (m_pViewSystem == NULL)
return;
//if the game has a clientactor, cache the view
if (pGF->GetClientActor())
{
m_pLocalPlayerView = m_pViewSystem->GetViewByEntityId(pGF->GetClientActor()->GetEntityId());
}
if (m_pLocalPlayerView && (m_pViewSystem->GetActiveView() != m_pLocalPlayerView))
m_pViewSystem->SetActiveView(m_pLocalPlayerView);
if (m_pView == NULL)
m_pView = m_pViewSystem->CreateView();
}
//----------------------------------------------------------------------
IView* GetView( SActivationInfo* pActInfo )
{
SInputParams inputParams;
ReadCurrentInputParams( pActInfo, inputParams );
IGameFramework* pGF = gEnv->pGame->GetIGameFramework();
IView* pView = 0;
IView* pActiveView = pGF->GetIViewSystem()->GetActiveView();
eViewType viewType = inputParams.view;
if (viewType == VT_FirstPerson) // use player's view
{
IActor* pActor = pGF->GetClientActor();
if (pActor == 0)
return NULL;
eRestriction restriction = inputParams.restriction;
if (restriction != ER_None)
{
IVehicle* pVehicle = pActor->GetLinkedVehicle();
if (restriction == ER_InVehicle && pVehicle == 0)
return NULL;
if (restriction == ER_NoVehicle && pVehicle != 0 /* && pVehicle->GetSeatForPassenger(entityId) != 0 */)
return NULL;
}
EntityId entityId = pActor->GetEntityId();
pView = pGF->GetIViewSystem()->GetViewByEntityId(entityId);
}
else // active view
{
pView = pActiveView;
}
if (pView != pActiveView)
return NULL;
return pView;
}
virtual void ProcessEvent( EFlowEvent event,SActivationInfo* pActInfo )
{
if (event != eFE_Activate)
return;
if (!InputEntityIsLocalPlayer( pActInfo ))
return;
const bool bTriggered = IsPortActive(pActInfo, EIP_Trigger);
const bool bFreqTriggered = IsPortActive(pActInfo, EIP_Frequency);
if (bTriggered == false && bFreqTriggered == false)
return;
IGameFramework* pGF = gEnv->pGame->GetIGameFramework();
IView* pView = 0;
IView* pActiveView = pGF->GetIViewSystem()->GetActiveView();
int viewType = GetPortInt(pActInfo, EIP_ViewType);
if (viewType == VT_FirstPerson) // use player's view
{
IActor* pActor = pGF->GetClientActor();
if (pActor == 0)
return;
const int restriction = GetPortInt(pActInfo, EIP_Restriction);
if (restriction != ER_None)
{
IVehicle* pVehicle = pActor->GetLinkedVehicle();
if (restriction == ER_InVehicle && pVehicle == 0)
return;
if (restriction == ER_NoVehicle && pVehicle != 0 /* && pVehicle->GetSeatForPassenger(entityId) != 0 */)
return;
}
EntityId entityId = pActor->GetEntityId();
pView = pGF->GetIViewSystem()->GetViewByEntityId(entityId);
}
else // active view
{
pView = pActiveView;
}
if (pView == 0 || pView != pActiveView)
return;
const bool bGroundOnly = GetPortBool(pActInfo, EIP_GroundOnly);
Ang3 angles = Ang3(DEG2RAD(GetPortVec3(pActInfo, EIP_Angle)));
Vec3 shift = GetPortVec3(pActInfo, EIP_Shift);
const float duration = GetPortFloat(pActInfo, EIP_Duration);
float freq = GetPortFloat(pActInfo, EIP_Frequency);
if (iszero(freq) == false)
freq = 1.0f / freq;
const float randomness = GetPortFloat(pActInfo, EIP_Randomness);
static const bool bFlip = true; // GetPortBool(pActInfo, EIP_Flip);
const bool bUpdateOnly = !bTriggered && bFreqTriggered; // it's an update if and only if Frequency has been changed
const float distance = GetPortFloat(pActInfo, EIP_Distance);
const float rangeMin = GetPortFloat(pActInfo, EIP_RangeMin);
const float rangeMax = GetPortFloat(pActInfo, EIP_RangeMax);
float amount = min(1.f, max(0.f, (rangeMax - distance) / (rangeMax - rangeMin)));
angles *= amount;
shift *= amount;
pView->SetViewShake(angles, shift, duration, freq, randomness, FLOWGRAPH_SHAKE_ID, bFlip, bUpdateOnly, bGroundOnly);
}