diff options
Diffstat (limited to 'indra/llinventory/llsettingssky.cpp')
| -rw-r--r-- | indra/llinventory/llsettingssky.cpp | 177 |
1 files changed, 106 insertions, 71 deletions
diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp index e06cd7ca72..b8623c3ed3 100644 --- a/indra/llinventory/llsettingssky.cpp +++ b/indra/llinventory/llsettingssky.cpp @@ -42,13 +42,14 @@ namespace { LLTrace::BlockTimerStatHandle FTM_BLEND_SKYVALUES("Blending Sky Environment"); LLTrace::BlockTimerStatHandle FTM_UPDATE_SKYVALUES("Update Sky Environment"); + static const LLVector3 DUE_EAST = LLVector3::x_axis; } -static LLQuaternion body_position_from_angles(F32 azimuth, F32 altitude) +static LLQuaternion convert_azimuth_and_altitude_to_quat(F32 azimuth, F32 altitude) { - LLQuaternion body_quat; - body_quat.setEulerAngles(0.0f, -altitude, azimuth); - return body_quat; + LLQuaternion quat; + quat.setEulerAngles(0.0f, -altitude, azimuth); + return quat; } const F32 LLSettingsSky::DOME_OFFSET(0.96f); @@ -487,8 +488,6 @@ LLSettingsSky::validation_list_t LLSettingsSky::validationList() LLSD(LLSDArray(0.2f)("*")(-2.5f)("*")), LLSD(LLSDArray(20.0f)("*")(0.0f)("*"))))); - validation.push_back(Validator(SETTING_LIGHT_NORMAL, false, LLSD::TypeArray, - boost::bind(&Validator::verifyVectorNormalized, _1, 3))); validation.push_back(Validator(SETTING_MAX_Y, true, LLSD::TypeReal, boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(4000.0f))))); validation.push_back(Validator(SETTING_MOON_ROTATION, true, LLSD::TypeArray, &Validator::verifyQuaternionNormal)); @@ -579,8 +578,8 @@ LLSD LLSettingsSky::defaults() LLQuaternion sunquat; LLQuaternion moonquat; - sunquat.setEulerAngles(0.0f, -1.39626, 0.0f); // 80 deg pitch / 0 deg azimuth from East - moonquat.setEulerAngles(0.0f, -1.39626, F_PI); // 80 deg pitch / 180 deg azimuth from East + sunquat = convert_azimuth_and_altitude_to_quat(0.0f, 80.0f * DEG_TO_RAD); + moonquat = convert_azimuth_and_altitude_to_quat(F_PI, 80.0f * DEG_TO_RAD); // Magic constants copied form dfltsetting.xml dfltsetting[SETTING_CLOUD_COLOR] = LLColor4(0.4099, 0.4099, 0.4099, 0.0).getValue(); @@ -595,7 +594,6 @@ LLSD LLSettingsSky::defaults() dfltsetting[SETTING_GAMMA] = LLSD::Real(1.0); dfltsetting[SETTING_GLOW] = LLColor4(5.000, 0.0010, -0.4799, 1.0).getValue(); - dfltsetting[SETTING_LIGHT_NORMAL] = LLVector3(0.0000, 0.9126, -0.4086).getValue(); dfltsetting[SETTING_MAX_Y] = LLSD::Real(1605); dfltsetting[SETTING_MOON_ROTATION] = moonquat.getValue(); dfltsetting[SETTING_STAR_BRIGHTNESS] = LLSD::Real(0.0000); @@ -657,7 +655,7 @@ LLSD LLSettingsSky::translateLegacyHazeSettings(const LLSD& legacy) return legacyhazesettings; } -LLSD LLSettingsSky::translateLegacySettings(const LLSD& legacy, const std::string* name) +LLSD LLSettingsSky::translateLegacySettings(const LLSD& legacy) { LLSD newsettings(defaults()); @@ -719,11 +717,7 @@ LLSD LLSettingsSky::translateLegacySettings(const LLSD& legacy, const std::strin { newsettings[SETTING_GLOW] = LLColor3(legacy[SETTING_GLOW]).getValue(); } - - if (legacy.has(SETTING_LIGHT_NORMAL)) - { - newsettings[SETTING_LIGHT_NORMAL] = LLVector3(legacy[SETTING_LIGHT_NORMAL]).getValue(); - } + if (legacy.has(SETTING_MAX_Y)) { newsettings[SETTING_MAX_Y] = LLSD::Real(legacy[SETTING_MAX_Y][0].asReal()); @@ -762,16 +756,11 @@ LLSD LLSettingsSky::translateLegacySettings(const LLSD& legacy, const std::strin F32 azimuth = legacy[SETTING_LEGACY_EAST_ANGLE].asReal(); F32 altitude = legacy[SETTING_LEGACY_SUN_ANGLE].asReal(); - F32 pi_over_2 = F_PI * 0.5f; - LLQuaternion sunquat = body_position_from_angles(azimuth - pi_over_2, altitude); - LLQuaternion moonquat = body_position_from_angles(azimuth + pi_over_2, altitude); + LLQuaternion sunquat = convert_azimuth_and_altitude_to_quat(azimuth, altitude); + LLQuaternion moonquat = convert_azimuth_and_altitude_to_quat(azimuth + F_PI, altitude); - if (name) - { - LLVector3 sundir = LLVector3::x_axis * sunquat; - LLVector3 moondir = LLVector3::x_axis * moonquat; - LL_INFOS() << *name << " sun: " << sundir << " moon: " << moondir << LL_ENDL; - } + //LLVector3 sundir = DUE_EAST * sunquat; + //LLVector3 moondir = DUE_EAST * moonquat; newsettings[SETTING_SUN_ROTATION] = sunquat.getValue(); newsettings[SETTING_MOON_ROTATION] = moonquat.getValue(); @@ -785,11 +774,11 @@ void LLSettingsSky::updateSettings() LL_RECORD_BLOCK_TIME(FTM_UPDATE_SKYVALUES); //LL_INFOS("WINDLIGHT", "SKY", "EEP") << "WL Parameters are dirty. Reticulating Splines..." << LL_ENDL; + mPositionsDirty = isDirty(); + mLightingDirty = isDirty(); + // base class clears dirty flag so as to not trigger recursive update LLSettingsBase::updateSettings(); - - calculateHeavnlyBodyPositions(); - calculateLightSettings(); } bool LLSettingsSky::getIsSunUp() const @@ -804,44 +793,42 @@ bool LLSettingsSky::getIsMoonUp() const return moonDir.mV[2] > NIGHTTIME_ELEVATION_SIN; } -void LLSettingsSky::calculateHeavnlyBodyPositions() +void LLSettingsSky::calculateHeavnlyBodyPositions() const { + if (!mPositionsDirty) + { + return; + } + + mPositionsDirty = false; + LLQuaternion sunq = getSunRotation(); LLQuaternion moonq = getMoonRotation(); - mSunDirection = LLVector3::x_axis * sunq; - mSunDirection.normalize(); + mSunDirection = DUE_EAST * sunq; + mMoonDirection = DUE_EAST * moonq; - mMoonDirection = LLVector3::x_axis * moonq; + mSunDirection.normalize(); mMoonDirection.normalize(); +} + +LLVector3 LLSettingsSky::getLightDirection() const +{ + calculateHeavnlyBodyPositions(); // is the normal from the sun or the moon if (getIsSunUp()) { - mLightDirection = mSunDirection; + llassert(mSunDirection.length() > 0.01f); + return mSunDirection; } else if (getIsMoonUp()) { - mLightDirection = mMoonDirection; + llassert(mMoonDirection.length() > 0.01f); + return mMoonDirection; } - else - { - mLightDirection = LLVector3::z_axis; - } - - // calculate the clamp lightnorm for sky (to prevent ugly banding in sky - // when haze goes below the horizon - mClampedLightDirection = mLightDirection; - if (mClampedLightDirection.mV[1] < -0.1f) - { - mClampedLightDirection.mV[1] = -0.1f; - mClampedLightDirection.normalize(); - } - - //LL_INFOS() << "Sun: " << mSunDirection << LL_ENDL; - //LL_INFOS() << "Moon: " << mMoonDirection << LL_ENDL; - //LL_INFOS() << "Light: " << mLightDirection << LL_ENDL; + return LLVector3::z_axis; } LLColor3 LLSettingsSky::getBlueDensity() const @@ -969,42 +956,91 @@ LLColor3 LLSettingsSky::gammaCorrect(const LLColor3& in) const return v; } -void LLSettingsSky::calculateLightSettings() +LLVector3 LLSettingsSky::getSunDirection() const +{ + calculateHeavnlyBodyPositions(); + return mSunDirection; +} + +LLVector3 LLSettingsSky::getMoonDirection() const +{ + calculateHeavnlyBodyPositions(); + return mMoonDirection; +} + +LLColor4U LLSettingsSky::getFadeColor() const +{ + calculateLightSettings(); + return mFadeColor; +} + +LLColor4 LLSettingsSky::getMoonAmbient() const +{ + calculateLightSettings(); + return mMoonAmbient; +} + +LLColor3 LLSettingsSky::getMoonDiffuse() const +{ + calculateLightSettings(); + return mMoonDiffuse; +} + +LLColor4 LLSettingsSky::getSunAmbient() const +{ + calculateLightSettings(); + return mSunAmbient; +} + +LLColor3 LLSettingsSky::getSunDiffuse() const +{ + calculateLightSettings(); + return mSunDiffuse; +} + +LLColor4 LLSettingsSky::getTotalAmbient() const { + calculateLightSettings(); + return mTotalAmbient; +} + +void LLSettingsSky::calculateLightSettings() const +{ + if (!mLightingDirty) + { + return; + } + + calculateHeavnlyBodyPositions(); + + mLightingDirty = false; + // Initialize temp variables LLColor3 sunlight = getSunlightColor(); LLColor3 ambient = getAmbientColor(); - F32 cloud_shadow = getCloudShadow(); - LLVector3 lightnorm = getLightDirection(); + F32 cloud_shadow = getCloudShadow(); + LLVector3 lightnorm = getLightDirection(); - // Sunlight attenuation effect (hue and brightness) due to atmosphere - // this is used later for sunlight modulation at various altitudes + // Sunlight attenuation effect (hue and brightness) due to atmosphere + // this is used later for sunlight modulation at various altitudes F32 max_y = getMaxY(); LLColor3 light_atten = getLightAttenuation(max_y); LLColor3 light_transmittance = getLightTransmittance(); - - // Compute sunlight from P & lightnorm (for long rays like sky) - /// USE only lightnorm. - // temp2[1] = llmax(0.f, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] ); - // and vary_sunlight will work properly with moon light - F32 lighty = lightnorm[1]; - if (lighty < NIGHTTIME_ELEVATION_SIN) - { - lighty = -lighty; - } + // and vary_sunlight will work properly with moon light + F32 lighty = lightnorm[1]; lighty = llmax(0.f, lighty); if(lighty > 0.f) - { + { lighty = 1.f / lighty; - } + } componentMultBy(sunlight, componentExp((light_atten * -1.f) * lighty)); - //increase ambient when there are more clouds - LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f; + //increase ambient when there are more clouds + LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f; - //brightness of surface both sunlight and ambient + //brightness of surface both sunlight and ambient mSunDiffuse = gammaCorrect(componentMult(sunlight, light_transmittance)); mSunAmbient = gammaCorrect(componentMult(tmpAmbient, light_transmittance) * 0.5); @@ -1015,4 +1051,3 @@ void LLSettingsSky::calculateLightSettings() mFadeColor = mTotalAmbient + (mSunDiffuse + mMoonDiffuse) * 0.5f; mFadeColor.setAlpha(0); } - |