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Diffstat (limited to 'indra/newview/llsettingssky.cpp')
| -rw-r--r-- | indra/newview/llsettingssky.cpp | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/indra/newview/llsettingssky.cpp b/indra/newview/llsettingssky.cpp new file mode 100644 index 0000000000..c91d4e59ce --- /dev/null +++ b/indra/newview/llsettingssky.cpp @@ -0,0 +1,597 @@ +/** +* @file llsettingssky.cpp +* @author optional +* @brief A base class for asset based settings groups. +* +* $LicenseInfo:2011&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2017, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +*/ + +#include "llviewerprecompiledheaders.h" +#include "llviewercontrol.h" +#include "llsettingssky.h" +#include <algorithm> +#include <boost/make_shared.hpp> +#include "lltrace.h" +#include "llfasttimer.h" +#include "v3colorutil.h" + +#include "llglslshader.h" +#include "llviewershadermgr.h" + +#include "llenvironment.h" +#include "llsky.h" + +//========================================================================= +namespace +{ + const LLVector3 DUE_EAST(0.0f, 0.0f, 1.0); + const LLVector3 VECT_ZENITH(0.f, 1.f, 0.f); + const LLVector3 VECT_NORTHSOUTH(1.f, 0.f, 0.f); + + LLTrace::BlockTimerStatHandle FTM_BLEND_SKYVALUES("Blending Sky Environment"); + LLTrace::BlockTimerStatHandle FTM_UPDATE_SKYVALUES("Update Sky Environment"); + + LLQuaternion body_position_from_angles(F32 azimuth, F32 altitude); + void angles_from_rotation(LLQuaternion quat, F32 &azimuth, F32 &altitude); +} + +const F32 LLSettingsSky::DOME_OFFSET(0.96f); +const F32 LLSettingsSky::DOME_RADIUS(15000.f); + +//========================================================================= +const std::string LLSettingsSky::SETTING_AMBIENT("ambient"); +const std::string LLSettingsSky::SETTING_BLOOM_TEXTUREID("bloom_id"); +const std::string LLSettingsSky::SETTING_BLUE_DENSITY("blue_density"); +const std::string LLSettingsSky::SETTING_BLUE_HORIZON("blue_horizon"); +const std::string LLSettingsSky::SETTING_CLOUD_COLOR("cloud_color"); +const std::string LLSettingsSky::SETTING_CLOUD_POS_DENSITY1("cloud_pos_density1"); +const std::string LLSettingsSky::SETTING_CLOUD_POS_DENSITY2("cloud_pos_density2"); +const std::string LLSettingsSky::SETTING_CLOUD_SCALE("cloud_scale"); +const std::string LLSettingsSky::SETTING_CLOUD_SCROLL_RATE("cloud_scroll_rate"); +const std::string LLSettingsSky::SETTING_CLOUD_SHADOW("cloud_shadow"); +const std::string LLSettingsSky::SETTING_CLOUD_TEXTUREID("cloud_id"); +const std::string LLSettingsSky::SETTING_DENSITY_MULTIPLIER("density_multiplier"); +const std::string LLSettingsSky::SETTING_DISTANCE_MULTIPLIER("distance_multiplier"); +const std::string LLSettingsSky::SETTING_DOME_OFFSET("dome_offset"); +const std::string LLSettingsSky::SETTING_DOME_RADIUS("dome_radius"); +const std::string LLSettingsSky::SETTING_GAMMA("gamma"); +const std::string LLSettingsSky::SETTING_GLOW("glow"); +const std::string LLSettingsSky::SETTING_HAZE_DENSITY("haze_density"); +const std::string LLSettingsSky::SETTING_HAZE_HORIZON("haze_horizon"); +const std::string LLSettingsSky::SETTING_LIGHT_NORMAL("lightnorm"); +const std::string LLSettingsSky::SETTING_MAX_Y("max_y"); +const std::string LLSettingsSky::SETTING_MOON_ROTATION("moon_rotation"); +const std::string LLSettingsSky::SETTING_MOON_TEXTUREID("moon_id"); +const std::string LLSettingsSky::SETTING_NAME("name"); +const std::string LLSettingsSky::SETTING_STAR_BRIGHTNESS("star_brightness"); +const std::string LLSettingsSky::SETTING_SUNLIGHT_COLOR("sunlight_color"); +const std::string LLSettingsSky::SETTING_SUN_ROTATION("sun_rotation"); +const std::string LLSettingsSky::SETTING_SUN_TEXUTUREID("sun_id"); + +const std::string LLSettingsSky::SETTING_LEGACY_EAST_ANGLE("east_angle"); +const std::string LLSettingsSky::SETTING_LEGACY_ENABLE_CLOUD_SCROLL("enable_cloud_scroll"); +const std::string LLSettingsSky::SETTING_LEGACY_SUN_ANGLE("sun_angle"); + + +//========================================================================= +LLSettingsSky::LLSettingsSky(const LLSD &data) : + LLSettingsBase(data) +{ +} + +LLSettingsSky::LLSettingsSky(): + LLSettingsBase() +{ +} + +void LLSettingsSky::setMoonRotation(F32 azimuth, F32 altitude) +{ + setValue(SETTING_MOON_ROTATION, ::body_position_from_angles(azimuth, altitude)); +} + +LLSettingsSky::azimalt_t LLSettingsSky::getMoonRotationAzAl() const +{ + azimalt_t res; + ::angles_from_rotation(getMoonRotation(), res.first, res.second); + + return res; +} + +void LLSettingsSky::setSunRotation(F32 azimuth, F32 altitude) +{ + setValue(SETTING_SUN_ROTATION, ::body_position_from_angles(azimuth, altitude)); +} + +LLSettingsSky::azimalt_t LLSettingsSky::getSunRotationAzAl() const +{ + azimalt_t res; + ::angles_from_rotation(getSunRotation(), res.first, res.second); + + return res; +} + +LLSettingsSky::stringset_t LLSettingsSky::getSlerpKeys() const +{ + static stringset_t slepSet; + + if (slepSet.empty()) + { + slepSet.insert(SETTING_SUN_ROTATION); + slepSet.insert(SETTING_MOON_ROTATION); + } + + return slepSet; +} + + +LLSettingsSky::ptr_t LLSettingsSky::buildFromLegacyPreset(const std::string &name, const LLSD &oldsettings) +{ + LLSD newsettings(defaults()); + + newsettings[SETTING_NAME] = name; + + + if (oldsettings.has(SETTING_AMBIENT)) + { + newsettings[SETTING_AMBIENT] = LLColor3(oldsettings[SETTING_AMBIENT]).getValue(); + } + if (oldsettings.has(SETTING_BLUE_DENSITY)) + { + newsettings[SETTING_BLUE_DENSITY] = LLColor3(oldsettings[SETTING_BLUE_DENSITY]).getValue(); + } + if (oldsettings.has(SETTING_BLUE_HORIZON)) + { + newsettings[SETTING_BLUE_HORIZON] = LLColor3(oldsettings[SETTING_BLUE_HORIZON]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_COLOR)) + { + newsettings[SETTING_CLOUD_COLOR] = LLColor3(oldsettings[SETTING_CLOUD_COLOR]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_POS_DENSITY1)) + { + newsettings[SETTING_CLOUD_POS_DENSITY1] = LLColor3(oldsettings[SETTING_CLOUD_POS_DENSITY1]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_POS_DENSITY2)) + { + newsettings[SETTING_CLOUD_POS_DENSITY2] = LLColor3(oldsettings[SETTING_CLOUD_POS_DENSITY2]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_SCALE)) + { + newsettings[SETTING_CLOUD_SCALE] = LLSD::Real(oldsettings[SETTING_CLOUD_SCALE][0].asReal()); + } + if (oldsettings.has(SETTING_CLOUD_SCROLL_RATE)) + { + LLVector2 cloud_scroll(oldsettings[SETTING_CLOUD_SCROLL_RATE]); + + if (oldsettings.has(SETTING_LEGACY_ENABLE_CLOUD_SCROLL)) + { + LLSD enabled = oldsettings[SETTING_LEGACY_ENABLE_CLOUD_SCROLL]; + if (!enabled[0].asBoolean()) + cloud_scroll.mV[0] = 0.0f; + if (!enabled[1].asBoolean()) + cloud_scroll.mV[1] = 0.0f; + } + + newsettings[SETTING_CLOUD_SCROLL_RATE] = cloud_scroll.getValue(); + } + if (oldsettings.has(SETTING_CLOUD_SHADOW)) + { + newsettings[SETTING_CLOUD_SHADOW] = LLSD::Real(oldsettings[SETTING_CLOUD_SHADOW][0].asReal()); + } + if (oldsettings.has(SETTING_DENSITY_MULTIPLIER)) + { + newsettings[SETTING_DENSITY_MULTIPLIER] = LLSD::Real(oldsettings[SETTING_DENSITY_MULTIPLIER][0].asReal()); + } + if (oldsettings.has(SETTING_DISTANCE_MULTIPLIER)) + { + newsettings[SETTING_DISTANCE_MULTIPLIER] = LLSD::Real(oldsettings[SETTING_DISTANCE_MULTIPLIER][0].asReal()); + } + if (oldsettings.has(SETTING_GAMMA)) + { + newsettings[SETTING_GAMMA] = oldsettings[SETTING_GAMMA][0].asReal(); + } + if (oldsettings.has(SETTING_GLOW)) + { + newsettings[SETTING_GLOW] = LLColor3(oldsettings[SETTING_GLOW]).getValue(); + } + if (oldsettings.has(SETTING_HAZE_DENSITY)) + { + newsettings[SETTING_HAZE_DENSITY] = LLSD::Real(oldsettings[SETTING_HAZE_DENSITY][0].asReal()); + } + if (oldsettings.has(SETTING_HAZE_HORIZON)) + { + newsettings[SETTING_HAZE_HORIZON] = LLSD::Real(oldsettings[SETTING_HAZE_HORIZON][0].asReal()); + } + if (oldsettings.has(SETTING_LIGHT_NORMAL)) + { + newsettings[SETTING_LIGHT_NORMAL] = LLVector4(oldsettings[SETTING_LIGHT_NORMAL]).getValue(); + } + if (oldsettings.has(SETTING_MAX_Y)) + { + newsettings[SETTING_MAX_Y] = LLSD::Real(oldsettings[SETTING_MAX_Y][0].asReal()); + } + if (oldsettings.has(SETTING_STAR_BRIGHTNESS)) + { + newsettings[SETTING_STAR_BRIGHTNESS] = LLSD::Real(oldsettings[SETTING_STAR_BRIGHTNESS].asReal()); + } + if (oldsettings.has(SETTING_SUNLIGHT_COLOR)) + { + newsettings[SETTING_SUNLIGHT_COLOR] = LLColor4(oldsettings[SETTING_SUNLIGHT_COLOR]).getValue(); + } + + +// dfltsetting[SETTING_DOME_OFFSET] = LLSD::Real(0.96f); +// dfltsetting[SETTING_DOME_RADIUS] = LLSD::Real(15000.f); +// +// dfltsetting[SETTING_MOON_ROTATION] = moonquat.getValue(); +// dfltsetting[SETTING_SUN_ROTATION] = sunquat.getValue(); +// +// dfltsetting[SETTING_BLOOM_TEXTUREID] = LLUUID::null; +// dfltsetting[SETTING_CLOUD_TEXTUREID] = LLUUID::null; +// dfltsetting[SETTING_MOON_TEXTUREID] = IMG_SUN; // gMoonTextureID; // These two are returned by the login... wow! +// dfltsetting[SETTING_SUN_TEXUTUREID] = IMG_MOON; // gSunTextureID; + + if (oldsettings.has(SETTING_LEGACY_EAST_ANGLE) && oldsettings.has(SETTING_LEGACY_SUN_ANGLE)) + { // convert the east and sun angles into a quaternion. + F32 azimuth = oldsettings[SETTING_LEGACY_EAST_ANGLE].asReal(); + F32 altitude = oldsettings[SETTING_LEGACY_SUN_ANGLE].asReal(); + + LLQuaternion sunquat = ::body_position_from_angles(azimuth, altitude); + LLQuaternion moonquat = ::body_position_from_angles(azimuth + F_PI, -altitude); + + F32 az(0), al(0); + ::angles_from_rotation(sunquat, az, al); + + newsettings[SETTING_SUN_ROTATION] = sunquat.getValue(); + newsettings[SETTING_MOON_ROTATION] = moonquat.getValue(); + } + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(newsettings); + + return skyp; +} + +LLSettingsSky::ptr_t LLSettingsSky::buildDefaultSky() +{ + LLSD settings = LLSettingsSky::defaults(); + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(settings); + + return skyp; +} + +LLSettingsSky::ptr_t LLSettingsSky::buildClone() +{ + LLSD settings = cloneSettings(); + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(settings); + + return skyp; +} + +// Settings status + +LLSettingsSky::ptr_t LLSettingsSky::blend(const LLSettingsSky::ptr_t &other, F32 mix) const +{ + LL_RECORD_BLOCK_TIME(FTM_BLEND_SKYVALUES); + LL_INFOS("WINDLIGHT", "SKY", "EEP") << "Blending new sky settings object." << LL_ENDL; + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(mSettings); + // the settings in the initial constructor are references to this' settings block. + // They will be replaced in the following lerp + skyp->lerpSettings(*other, mix); + + return skyp; +} + + +LLSD LLSettingsSky::defaults() +{ + LLSD dfltsetting; + + + LLQuaternion sunquat; + sunquat.setEulerAngles(1.39626, 0.0, 0.0); // 80deg Azumith/0deg East + LLQuaternion moonquat = ~sunquat; + + // Magic constants copied form dfltsetting.xml + dfltsetting[SETTING_AMBIENT] = LLColor4::white.getValue(); + dfltsetting[SETTING_BLUE_DENSITY] = LLColor4(0.2447, 0.4487, 0.7599, 0.0).getValue(); + dfltsetting[SETTING_BLUE_HORIZON] = LLColor4(0.4954, 0.4954, 0.6399, 0.0).getValue(); + dfltsetting[SETTING_CLOUD_COLOR] = LLColor4(0.4099, 0.4099, 0.4099, 0.0).getValue(); + dfltsetting[SETTING_CLOUD_POS_DENSITY1] = LLColor4(1.0000, 0.5260, 1.0000, 0.0).getValue(); + dfltsetting[SETTING_CLOUD_POS_DENSITY2] = LLColor4(1.0000, 0.5260, 1.0000, 0.0).getValue(); + dfltsetting[SETTING_CLOUD_SCALE] = LLSD::Real(0.4199); + dfltsetting[SETTING_CLOUD_SCROLL_RATE] = LLSDArray(10.1999)(10.0109); + dfltsetting[SETTING_CLOUD_SHADOW] = LLSD::Real(0.2699); + dfltsetting[SETTING_DENSITY_MULTIPLIER] = LLSD::Real(0.0001); + dfltsetting[SETTING_DISTANCE_MULTIPLIER] = LLSD::Real(0.8000); + dfltsetting[SETTING_DOME_OFFSET] = LLSD::Real(0.96f); + dfltsetting[SETTING_DOME_RADIUS] = LLSD::Real(15000.f); + dfltsetting[SETTING_GAMMA] = LLSD::Real(1.0); + dfltsetting[SETTING_GLOW] = LLColor4(5.000, 0.0010, -0.4799, 1.0).getValue(); + dfltsetting[SETTING_HAZE_DENSITY] = LLSD::Real(0.6999); + dfltsetting[SETTING_HAZE_HORIZON] = LLSD::Real(0.1899); + dfltsetting[SETTING_LIGHT_NORMAL] = LLVector4(0.0000, 0.9126, -0.4086, 0.0000).getValue(); + dfltsetting[SETTING_MAX_Y] = LLSD::Real(1605); + dfltsetting[SETTING_MOON_ROTATION] = moonquat.getValue(); + dfltsetting[SETTING_NAME] = std::string("_default_"); + dfltsetting[SETTING_STAR_BRIGHTNESS] = LLSD::Real(0.0000); + dfltsetting[SETTING_SUNLIGHT_COLOR] = LLColor4(0.7342, 0.7815, 0.8999, 0.0).getValue(); + dfltsetting[SETTING_SUN_ROTATION] = sunquat.getValue(); + + dfltsetting[SETTING_BLOOM_TEXTUREID] = LLUUID::null; + dfltsetting[SETTING_CLOUD_TEXTUREID] = LLUUID::null; + dfltsetting[SETTING_MOON_TEXTUREID] = IMG_MOON; // gMoonTextureID; // These two are returned by the login... wow! + dfltsetting[SETTING_SUN_TEXUTUREID] = IMG_SUN; // gSunTextureID; + + return dfltsetting; +} + +void LLSettingsSky::updateSettings() +{ + LL_RECORD_BLOCK_TIME(FTM_UPDATE_SKYVALUES); + LL_INFOS("WINDLIGHT", "SKY", "EEP") << "WL Parameters are dirty. Reticulating Splines..." << LL_ENDL; + + // base class clears dirty flag so as to not trigger recursive update + LLSettingsBase::updateSettings(); + + calculateHeavnlyBodyPositions(); + calculateLightSettings(); +} + +void LLSettingsSky::calculateHeavnlyBodyPositions() +{ + mSunDirection = DUE_EAST * getSunRotation(); + mSunDirection.normalize(); + mMoonDirection = DUE_EAST * getMoonRotation(); + mMoonDirection.normalize(); + + { // set direction (in CRF) and don't allow overriding + LLVector3 crf_sunDirection(mSunDirection.mV[2], mSunDirection.mV[0], mSunDirection.mV[1]); + + gSky.setSunDirection(crf_sunDirection, LLVector3(0, 0, 0)); + gSky.setOverrideSun(TRUE); + } + + // is the normal from the sun or the moon + if (mSunDirection.mV[1] >= 0.0) + { + mLightDirection = mSunDirection; + } + else if (mSunDirection.mV[1] < 0.0 && mSunDirection.mV[1] > LLSky::NIGHTTIME_ELEVATION_COS) + { + // clamp v1 to 0 so sun never points up and causes weirdness on some machines + LLVector3 vec(mSunDirection); + vec.mV[1] = 0.0; + vec.normalize(); + mLightDirection = vec; + } + else + { + mLightDirection = mMoonDirection; + } + + // 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(); + } +} + +void LLSettingsSky::calculateLightSettings() +{ + LLColor3 vary_HazeColor; + LLColor3 vary_SunlightColor; + LLColor3 vary_AmbientColor; + { + // Initialize temp variables + LLColor3 sunlight = getSunlightColor(); + LLColor3 ambient = getAmbientColor(); + F32 gamma = getGamma(); + LLColor3 blue_density = getBlueDensity(); + LLColor3 blue_horizon = getBlueHorizon(); + F32 haze_density = getHazeDensity(); + F32 haze_horizon = getHazeHorizon(); + F32 density_multiplier = getDensityMultiplier(); + F32 max_y = getMaxY(); + 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 + LLColor3 light_atten = + (blue_density * 1.0 + smear(haze_density * 0.25f)) * (density_multiplier * max_y); + + // Calculate relative weights + LLColor3 temp2(0.f, 0.f, 0.f); + LLColor3 temp1 = blue_density + smear(haze_density); + LLColor3 blue_weight = componentDiv(blue_density, temp1); + LLColor3 haze_weight = componentDiv(smear(haze_density), temp1); + + // 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 < LLSky::NIGHTTIME_ELEVATION_COS) + { + lighty = -lighty; + } + + temp2.mV[1] = llmax(0.f, lighty); + if(temp2.mV[1] > 0.f) + { + temp2.mV[1] = 1.f / temp2.mV[1]; + } + componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); + + // Distance + temp2.mV[2] = density_multiplier; + + // Transparency (-> temp1) + temp1 = componentExp((temp1 * -1.f) * temp2.mV[2]); + + // vary_AtmosAttenuation = temp1; + + //increase ambient when there are more clouds + LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f; + + //haze color + vary_HazeColor = + (blue_horizon * blue_weight * (sunlight*(1.f - cloud_shadow) + tmpAmbient) + + componentMult(haze_horizon * haze_weight, sunlight*(1.f - cloud_shadow) * temp2.mV[0] + tmpAmbient) + ); + + //brightness of surface both sunlight and ambient + vary_SunlightColor = componentMult(sunlight, temp1) * 1.f; + vary_SunlightColor.clamp(); + vary_SunlightColor = smear(1.0f) - vary_SunlightColor; + vary_SunlightColor = componentPow(vary_SunlightColor, gamma); + vary_SunlightColor = smear(1.0f) - vary_SunlightColor; + vary_AmbientColor = componentMult(tmpAmbient, temp1) * 0.5; + vary_AmbientColor.clamp(); + vary_AmbientColor = smear(1.0f) - vary_AmbientColor; + vary_AmbientColor = componentPow(vary_AmbientColor, gamma); + vary_AmbientColor = smear(1.0f) - vary_AmbientColor; + + componentMultBy(vary_HazeColor, LLColor3(1.f, 1.f, 1.f) - temp1); + + } + +#if 0 + mSun.setColor(vary_SunlightColor); + mMoon.setColor(LLColor3(1.0f, 1.0f, 1.0f)); + + mSun.renewDirection(); + mSun.renewColor(); + mMoon.renewDirection(); + mMoon.renewColor(); + + float dp = getToSunLast() * LLVector3(0,0,1.f); + if (dp < 0) + { + dp = 0; + } + + // Since WL scales everything by 2, there should always be at least a 2:1 brightness ratio + // between sunlight and point lights in windlight to normalize point lights. + F32 sun_dynamic_range = llmax(gSavedSettings.getF32("RenderSunDynamicRange"), 0.0001f); + LLEnvironment::instance().setSceneLightStrength(2.0f * (1.0f + sun_dynamic_range * dp)); +#endif + + mSunDiffuse = vary_SunlightColor; + mSunAmbient = vary_AmbientColor; + mMoonDiffuse = vary_SunlightColor; + mMoonAmbient = vary_AmbientColor; + + mTotalAmbient = LLColor4(vary_AmbientColor, 1.0f); + + mFadeColor = mTotalAmbient + (mSunDiffuse + mMoonDiffuse) * 0.5f; + mFadeColor.setAlpha(0); +} + +LLSettingsSky::parammapping_t LLSettingsSky::getParameterMap() const +{ + static parammapping_t param_map; + + if (param_map.empty()) + { + param_map[SETTING_AMBIENT] = LLShaderMgr::AMBIENT; + param_map[SETTING_BLUE_DENSITY] = LLShaderMgr::BLUE_DENSITY; + param_map[SETTING_BLUE_HORIZON] = LLShaderMgr::BLUE_HORIZON; + param_map[SETTING_CLOUD_COLOR] = LLShaderMgr::CLOUD_COLOR; + + param_map[SETTING_CLOUD_POS_DENSITY2] = LLShaderMgr::CLOUD_POS_DENSITY2; + param_map[SETTING_CLOUD_SCALE] = LLShaderMgr::CLOUD_SCALE; + param_map[SETTING_CLOUD_SHADOW] = LLShaderMgr::CLOUD_SHADOW; + param_map[SETTING_DENSITY_MULTIPLIER] = LLShaderMgr::DENSITY_MULTIPLIER; + param_map[SETTING_DISTANCE_MULTIPLIER] = LLShaderMgr::DISTANCE_MULTIPLIER; + param_map[SETTING_GLOW] = LLShaderMgr::GLOW; + param_map[SETTING_HAZE_DENSITY] = LLShaderMgr::HAZE_DENSITY; + param_map[SETTING_HAZE_HORIZON] = LLShaderMgr::HAZE_HORIZON; + param_map[SETTING_MAX_Y] = LLShaderMgr::MAX_Y; + param_map[SETTING_SUNLIGHT_COLOR] = LLShaderMgr::SUNLIGHT_COLOR; + } + + return param_map; +} + +void LLSettingsSky::applySpecial(void *ptarget) +{ + LLGLSLShader *shader = (LLGLSLShader *)ptarget; + + shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mClampedLightDirection.mV); + + shader->uniform4f(LLShaderMgr::GAMMA, getGamma(), 0.0, 0.0, 1.0); + + { + //LLEnvironment::instance().getCloudDelta(); + LLVector4 vect_c_p_d1(mSettings[SETTING_CLOUD_POS_DENSITY1]); + vect_c_p_d1 += LLVector4(LLEnvironment::instance().getCloudScrollDelta()); + shader->uniform4fv(LLShaderMgr::CLOUD_POS_DENSITY1, 1, vect_c_p_d1.mV); + } +} + +//========================================================================= +namespace +{ + LLQuaternion body_position_from_angles(F32 azimuth, F32 altitude) + { + // Azimuth is traditionally calculated from North, we are going from East. + LLQuaternion rot_azi; + LLQuaternion rot_alt; + + rot_azi.setAngleAxis(azimuth, VECT_ZENITH); + rot_alt.setAngleAxis(-altitude, VECT_NORTHSOUTH); + + LLQuaternion body_quat = rot_alt * rot_azi; + body_quat.normalize(); + + //LLVector3 sun_vector = (DUE_EAST * body_quat); + //_WARNS("RIDER") << "Azimuth=" << azimuth << " Altitude=" << altitude << " Body Vector=" << sun_vector.getValue() << LL_ENDL; + return body_quat; + } + + void angles_from_rotation(LLQuaternion quat, F32 &azimuth, F32 &altitude) + { + LLVector3 body_vector = (DUE_EAST * quat); + + LLVector3 body_az(body_vector[0], 0.f, body_vector[2]); + LLVector3 body_al(0.f, body_vector[1], body_vector[2]); + + if (fabs(body_az.normalize()) > 0.001) + azimuth = angle_between(DUE_EAST, body_az); + else + azimuth = 0.0f; + + if (fabs(body_al.normalize()) > 0.001) + altitude = angle_between(DUE_EAST, body_al); + else + altitude = 0.0f; + } +} |