bool CWaterDroplets::Preprocess()
{
bool bQualityCheck = CPostEffectsMgr::CheckPostProcessQuality( eRQ_Medium, eSQ_Medium );
if( !bQualityCheck )
return false;

bool bUserActive = m_pAmount->GetParam() > 0.005f;

if( iSystem->IsEditorMode() && !bUserActive )
return false;

if( CRenderer::CV_r_water_godrays)
{
float fWatLevel = SPostEffectsUtils::m_fWaterLevel;
if( fWatLevel - 0.1f > gRenDev->GetRCamera().Orig.z)
{
m_fLastSpawnTime = 0.0f;
m_fCurrLifeTime = 0.0;
m_bWasUnderWater = true;
return false;
}
else
m_bWasUnderWater = false;

// Coming out of water
if( m_bWasUnderWater == false && m_fCurrLifeTime <1.0f)
{
const float fLifeTime = 1.5f;

if( !m_fLastSpawnTime )
m_fLastSpawnTime = gEnv->pTimer->GetCurrTime();

m_fCurrLifeTime = (gEnv->pTimer->GetCurrTime() - m_fLastSpawnTime) / fLifeTime;
if( m_fCurrLifeTime >= 1.0f)
{
if( !bUserActive ) // user enabled override
return false;
}

// check water level
return true;
}

if( bUserActive ) // user enabled override
return true;
}

return false;
}

void CWaterDroplets::Reset()
{
m_fLastSpawnTime = 0.0f;
m_fCurrLifeTime = 1000.0f;
m_bWasUnderWater = true;
m_pAmount->ResetParam(0.0f);
}

void CWaterDroplets::Render()
{
// float fDropletsAmount = m_pAmount->GetParam();

static CCryName pTechName("WaterDroplets");
GetUtils().ShBeginPass(CShaderMan::m_shPostEffectsGame, pTechName, FEF_DONTSETSTATES);

gcpRendD3D->EF_SetState(GS_NODEPTHTEST);

float fUserAmount = m_pAmount->GetParam();

float fAtten = clamp_tpl<float>(fabs( gRenDev->GetRCamera().Orig.z - SPostEffectsUtils::m_fWaterLevel ), 0.0f, 1.0f);
Vec4 vParams=Vec4(1, 1, 1, min(fUserAmount + (1.0f - clamp_tpl<float>(m_fCurrLifeTime, 0.0f, 1.0f)), 1.0f) * fAtten);
static CCryName pParamName("waterDropletsParams");
CShaderMan::m_shPostEffectsGame->FXSetPSFloat(pParamName, &vParams, 1);

GetUtils().DrawFullScreenQuad(CTexture::s_ptexBackBuffer->GetWidth(), CTexture::s_ptexBackBuffer->GetHeight());

GetUtils().ShEndPass();
}