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/**
* @file lldensityctrl.cpp
* @brief Control for specifying density over a height range for sky settings.
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, 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 "lldensityctrl.h"
#include "llslider.h"
#include "llsliderctrl.h"
#include "llsettingssky.h"
static LLDefaultChildRegistry::Register<LLDensityCtrl> register_density_control("densityctrl");
const std::string LLDensityCtrl::DENSITY_RAYLEIGH("density_rayleigh");
const std::string LLDensityCtrl::DENSITY_MIE("density_mie");
const std::string LLDensityCtrl::DENSITY_ABSORPTION("density_absorption");
namespace
{
const std::string FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL("level_exponential");
const std::string FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL_SCALE("exponential_scale");
const std::string FIELD_SKY_DENSITY_PROFILE_LINEAR("level_linear");
const std::string FIELD_SKY_DENSITY_PROFILE_CONSTANT("level_constant");
const std::string FIELD_SKY_DENSITY_MAX_ALTITUDE("max_altitude");
const std::string FIELD_SKY_DENSITY_ANISO_FACTOR("aniso_factor");
const std::string FIELD_SKY_DENSITY_ANISO_FACTOR_LABEL("aniso_factor_label");
}
const std::string& LLDensityCtrl::NameForDensityProfileType(DensityProfileType t)
{
switch (t)
{
case Rayleigh: return DENSITY_RAYLEIGH;
case Mie: return DENSITY_MIE;
case Absorption: return DENSITY_ABSORPTION;
default:
break;
}
llassert(false);
return DENSITY_RAYLEIGH;
}
LLDensityCtrl::Params::Params()
: image_density_feedback("image_density_feedback")
, lbl_exponential("label_exponential")
, lbl_exponential_scale("label_exponential_scale")
, lbl_linear("label_linear")
, lbl_constant("label_constant")
, lbl_max_altitude("label_max_altitude")
, lbl_aniso_factor("label_aniso_factor")
, profile_type(LLDensityCtrl::Rayleigh)
{
}
LLDensityCtrl::LLDensityCtrl(const Params& params)
: mProfileType(params.profile_type)
, mImgDensityFeedback(params.image_density_feedback)
{
}
LLSD LLDensityCtrl::getProfileConfig()
{
LLSD config;
switch (mProfileType)
{
case Rayleigh: return mSkySettings->getRayleighConfigs();
case Mie: return mSkySettings->getMieConfigs();
case Absorption: return mSkySettings->getAbsorptionConfigs();
default:
break;
}
llassert(false);
return config;
}
BOOL LLDensityCtrl::postBuild()
{
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onExponentialChanged(); });
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL_SCALE)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onExponentialScaleFactorChanged(); });
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_LINEAR)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onLinearChanged(); });
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_CONSTANT)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onConstantChanged(); });
getChild<LLUICtrl>(FIELD_SKY_DENSITY_MAX_ALTITUDE)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onMaxAltitudeChanged(); });
getChild<LLUICtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onAnisoFactorChanged(); });
if (mProfileType != Mie)
{
getChild<LLUICtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR_LABEL)->setValue(false);
getChild<LLUICtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR)->setVisible(false);
}
return TRUE;
}
void LLDensityCtrl::setEnabled(BOOL enabled)
{
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL)->setEnabled(enabled);
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL_SCALE)->setEnabled(enabled);
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_LINEAR)->setEnabled(enabled);
getChild<LLUICtrl>(FIELD_SKY_DENSITY_PROFILE_CONSTANT)->setEnabled(enabled);
getChild<LLUICtrl>(FIELD_SKY_DENSITY_MAX_ALTITUDE)->setEnabled(enabled);
if (mProfileType == Mie)
{
getChild<LLUICtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR)->setEnabled(enabled);
}
}
void LLDensityCtrl::refresh()
{
if (!mSkySettings)
{
setAllChildrenEnabled(FALSE);
setEnabled(FALSE);
return;
}
setEnabled(TRUE);
setAllChildrenEnabled(TRUE);
LLSD config = getProfileConfig();
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL)->setValue(config[LLSettingsSky::SETTING_DENSITY_PROFILE_EXP_TERM]);
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL_SCALE)->setValue(config[LLSettingsSky::SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR]);
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_LINEAR)->setValue(config[LLSettingsSky::SETTING_DENSITY_PROFILE_LINEAR_TERM]);
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_CONSTANT)->setValue(config[LLSettingsSky::SETTING_DENSITY_PROFILE_CONSTANT_TERM]);
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_MAX_ALTITUDE)->setValue(config[LLSettingsSky::SETTING_DENSITY_PROFILE_WIDTH]);
if (mProfileType == Mie)
{
getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR)->setValue(config[LLSettingsSky::SETTING_MIE_ANISOTROPY_FACTOR]);
}
}
void LLDensityCtrl::updateProfile()
{
F32 exponential_term = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL)->getValueF32();
F32 exponential_scale = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_EXPONENTIAL_SCALE)->getValueF32();
F32 linear_term = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_LINEAR)->getValueF32();
F32 constant_term = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_PROFILE_CONSTANT)->getValueF32();
F32 max_alt = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_MAX_ALTITUDE)->getValueF32();
F32 aniso_factor = 0.0f;
if (mProfileType == Mie)
{
aniso_factor = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_ANISO_FACTOR)->getValueF32();
}
LLSD profile = LLSettingsSky::createSingleLayerDensityProfile(max_alt, exponential_term, exponential_scale, linear_term, constant_term, aniso_factor);
switch (mProfileType)
{
case Rayleigh: mSkySettings->setRayleighConfigs(profile); break;
case Mie: mSkySettings->setMieConfigs(profile); break;
case Absorption: mSkySettings->setAbsorptionConfigs(profile); break;
default:
break;
}
}
void LLDensityCtrl::onExponentialChanged()
{
updateProfile();
updatePreview();
}
void LLDensityCtrl::onExponentialScaleFactorChanged()
{
updateProfile();
updatePreview();
}
void LLDensityCtrl::onLinearChanged()
{
updateProfile();
updatePreview();
}
void LLDensityCtrl::onConstantChanged()
{
updateProfile();
updatePreview();
}
void LLDensityCtrl::onMaxAltitudeChanged()
{
updateProfile();
updatePreview();
}
void LLDensityCtrl::onAnisoFactorChanged()
{
updateProfile();
}
void LLDensityCtrl::updatePreview()
{
// AdvancedAtmospherics TODO
// Generate image according to current density profile
}
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