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audio subsystem: openal emitter, minor audio fixes

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tmj-fstate
2017-11-19 16:02:12 +01:00
parent 7fc1256b46
commit bc43c21174
24 changed files with 566 additions and 182 deletions
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25
sun.cpp
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@@ -14,10 +14,6 @@ cSun::cSun() {
setLocation( 19.00f, 52.00f ); // default location roughly in centre of Poland
m_observer.press = 1013.0; // surface pressure, millibars
m_observer.temp = 15.0; // ambient dry-bulb temperature, degrees C
TIME_ZONE_INFORMATION timezoneinfo; // TODO: timezone dependant on geographic location
::GetTimeZoneInformation( &timezoneinfo );
m_observer.timezone = -timezoneinfo.Bias / 60.0f;
}
cSun::~cSun() { gluDeleteQuadric( sunsphere ); }
@@ -27,6 +23,27 @@ cSun::init() {
sunsphere = gluNewQuadric();
gluQuadricNormals( sunsphere, GLU_SMOOTH );
// calculate and set timezone for the current date of the simulation
// TODO: timezone dependant on geographic location
TIME_ZONE_INFORMATION timezoneinfo;
::GetTimeZoneInformation( &timezoneinfo );
// account for potential daylight/normal time bias
// NOTE: we're using xp-compatible time zone information and current year, instead of 'historically proper' values
auto zonebias { timezoneinfo.Bias };
auto const year { simulation::Time.data().wYear };
auto const yearday { simulation::Time.year_day() };
if( yearday < simulation::Time.year_day( timezoneinfo.DaylightDate.wDay, timezoneinfo.DaylightDate.wMonth, year ) ) {
zonebias += timezoneinfo.StandardBias;
}
else if( yearday < simulation::Time.year_day( timezoneinfo.StandardDate.wDay, timezoneinfo.StandardDate.wMonth, year ) ) {
zonebias += timezoneinfo.DaylightBias;
}
else {
zonebias += timezoneinfo.StandardBias;
}
m_observer.timezone = -zonebias / 60.0f;
}
void