diff options
| -rw-r--r-- | indra/llinventory/llsettingssky.cpp | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp index b797c1b715..91d2e9b23d 100644 --- a/indra/llinventory/llsettingssky.cpp +++ b/indra/llinventory/llsettingssky.cpp @@ -36,28 +36,32 @@ static const F32 NIGHTTIME_ELEVATION = -8.0f; // degrees static const F32 NIGHTTIME_ELEVATION_SIN = (F32)sinf(NIGHTTIME_ELEVATION * DEG_TO_RAD); -static LLQuaternion convert_azimuth_and_altitude_to_quat(F32 azimuth, F32 altitude) -{ - F32 sinTheta = sin(azimuth); - F32 cosTheta = cos(azimuth); - F32 sinPhi = sin(altitude); - F32 cosPhi = cos(altitude); +namespace { + LLQuaternion convert_azimuth_and_altitude_to_quat(F32 azimuth, F32 altitude) + { + F32 sinTheta = sin(azimuth); + F32 cosTheta = cos(azimuth); + F32 sinPhi = sin(altitude); + F32 cosPhi = cos(altitude); - LLVector3 dir; - // +x right, +z up, +y at... - dir.mV[0] = cosTheta * cosPhi; - dir.mV[1] = sinTheta * cosPhi; - dir.mV[2] = sinPhi; + LLVector3 dir; + // +x right, +z up, +y at... + dir.mV[0] = cosTheta * cosPhi; + dir.mV[1] = sinTheta * cosPhi; + dir.mV[2] = sinPhi; - LLVector3 axis = LLVector3::x_axis % dir; - axis.normalize(); + LLVector3 axis = LLVector3::x_axis % dir; + axis.normalize(); + if (mirror_axis) + axis *= -1; - F32 angle = acos(LLVector3::x_axis * dir); + F32 angle = acos(LLVector3::x_axis * dir); - LLQuaternion quat; - quat.setAngleAxis(angle, axis); + LLQuaternion quat; + quat.setAngleAxis(angle, axis); - return quat; + return quat; + } } static LLTrace::BlockTimerStatHandle FTM_BLEND_SKYVALUES("Blending Sky Environment"); @@ -613,8 +617,9 @@ LLSD LLSettingsSky::defaults(const LLSettingsBase::TrackPosition& position) // give the sun and moon slightly different tracks through the sky // instead of positioning them at opposite poles from each other... + // but keep them on opposite sides of the sky. sunquat = convert_azimuth_and_altitude_to_quat(altitude, azimuth); - moonquat = convert_azimuth_and_altitude_to_quat(altitude + (F_PI * 0.125f), azimuth + (F_PI * 0.125f)); + moonquat = convert_azimuth_and_altitude_to_quat(-(altitude + (F_PI * 0.125f)), azimuth + (F_PI * 1.125f)); // Magic constants copied form dfltsetting.xml dfltsetting[SETTING_CLOUD_COLOR] = LLColor4(0.4099, 0.4099, 0.4099, 0.0).getValue(); @@ -794,11 +799,10 @@ LLSD LLSettingsSky::translateLegacySettings(const LLSD& legacy) F32 altitude = legacy[SETTING_LEGACY_SUN_ANGLE].asReal(); LLQuaternion sunquat = convert_azimuth_and_altitude_to_quat(azimuth, altitude); - // original WL moon dir was diametrically opposed to the sun dir - LLQuaternion moonquat = convert_azimuth_and_altitude_to_quat(azimuth + F_PI, altitude + F_PI); + LLQuaternion moonquat = convert_azimuth_and_altitude_to_quat(azimuth + F_PI, -altitude); - newsettings[SETTING_SUN_ROTATION] = sunquat.getValue(); + newsettings[SETTING_SUN_ROTATION] = sunquat.getValue(); newsettings[SETTING_MOON_ROTATION] = moonquat.getValue(); } |