bool CEnvironment::SetWeatherFX(shared_str name)
{
if (bWFX) return false;
if (name.size()){
EnvsMapIt it = WeatherFXs.find(name);
R_ASSERT3 (it!=WeatherFXs.end(),"Invalid weather effect name.",*name);
EnvVec* PrevWeather = CurrentWeather; VERIFY(PrevWeather);
CurrentWeather = &it->second;
CurrentWeatherName = it->first;
float rewind_tm = WFX_TRANS_TIME*fTimeFactor;
float start_tm = fGameTime+rewind_tm;
float current_length;
float current_weight;
if (Current[0]->exec_time>Current[1]->exec_time){
float x = fGameTime>Current[0]->exec_time?fGameTime-Current[0]->exec_time:(DAY_LENGTH-Current[0]->exec_time)+fGameTime;
current_length = (DAY_LENGTH-Current[0]->exec_time)+Current[1]->exec_time;
current_weight = x/current_length;
}else{
current_length = Current[1]->exec_time-Current[0]->exec_time;
current_weight = (fGameTime-Current[0]->exec_time)/current_length;
}
clamp (current_weight,0.f,1.f);
std::sort (CurrentWeather->begin(),CurrentWeather->end(),sort_env_etl_pred);
CEnvDescriptor* C0 = CurrentWeather->at(0);
CEnvDescriptor* C1 = CurrentWeather->at(1);
CEnvDescriptor* CE = CurrentWeather->at(CurrentWeather->size()-2);
CEnvDescriptor* CT = CurrentWeather->at(CurrentWeather->size()-1);
C0->copy (*Current[0]); C0->exec_time = NormalizeTime(fGameTime-((rewind_tm/(Current[1]->exec_time-fGameTime))*current_length-rewind_tm));
C1->copy (*Current[1]); C1->exec_time = NormalizeTime(start_tm);
for (EnvIt t_it=CurrentWeather->begin()+2; t_it!=CurrentWeather->end()-1; t_it++)
(*t_it)->exec_time= NormalizeTime(start_tm+(*t_it)->exec_time_loaded);
SelectEnv (PrevWeather,WFX_end_desc[0],CE->exec_time);
SelectEnv (PrevWeather,WFX_end_desc[1],WFX_end_desc[0]->exec_time+0.5f);
CT->copy (*WFX_end_desc[0]);CT->exec_time = NormalizeTime(CE->exec_time+rewind_tm);
wfx_time = TimeDiff(fGameTime,CT->exec_time);
bWFX = true;
// sort wfx envs
std::sort (CurrentWeather->begin(),CurrentWeather->end(),sort_env_pred);
Current[0] = C0;
Current[1] = C1;
#ifdef WEATHER_LOGGING
Msg ("Starting WFX: '%s' - %3.2f sec",*name,wfx_time);
for (EnvIt l_it=CurrentWeather->begin(); l_it!=CurrentWeather->end(); l_it++)
Msg (". Env: '%s' Tm: %3.2f",*(*l_it)->sect_name,(*l_it)->exec_time);
#endif
}else{
#ifndef _EDITOR
FATAL ("! Empty weather effect name");
#endif
}
return true;
}
void CEnvironment::SelectEnvs(float gt)
{
VERIFY(CurrentWeather);
if ((Current[0] == Current[1]) && (Current[0] == 0))
{
VERIFY(!bWFX);
// first or forced start
SelectEnvs(CurrentWeather, Current[0], Current[1], gt);
}
else
{
bool bSelect = false;
if (Current[0]->exec_time > Current[1]->exec_time)
{
// terminator
bSelect = (gt > Current[1]->exec_time) && (gt < Current[0]->exec_time);
}
else
{
bSelect = (gt > Current[1]->exec_time);
}
if (bSelect)
{
Current[0] = Current[1];
SelectEnv(CurrentWeather, Current[1], gt);
#ifdef WEATHER_LOGGING
Msg("Weather: '%s' Desc: '%s' Time: %3.2f/%3.2f", CurrentWeatherName.c_str(), Current[1]->m_identifier.c_str(), Current[1]->exec_time, fGameTime);
#endif
}
}
}