334 lines
7.2 KiB
C++
334 lines
7.2 KiB
C++
/**
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* @file llsky.cpp
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* @brief IndraWorld sky class
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*
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* $LicenseInfo:firstyear=2000&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// Ideas:
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// -haze should be controlled by global query from sims
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// -need secondary optical effects on sun (flare)
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// -stars should be brought down from sims
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// -star intensity should be driven by global ambient level from sims,
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// so that eclipses, etc can be easily done.
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//
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#include "llviewerprecompiledheaders.h"
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#include "llsky.h"
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// linden library includes
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#include "llerror.h"
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#include "llmath.h"
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#include "math.h"
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#include "v4color.h"
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#include "llviewerobjectlist.h"
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#include "llviewerobject.h"
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#include "llviewercamera.h"
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#include "pipeline.h"
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#include "lldrawpool.h"
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#include "llvosky.h"
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#include "llcubemap.h"
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#include "llviewercontrol.h"
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#include "llenvironment.h"
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#include "llvoavatarself.h"
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#include "llvowlsky.h"
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F32 azimuth_from_vector(const LLVector3 &v);
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F32 elevation_from_vector(const LLVector3 &v);
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LLSky gSky;
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// ---------------- LLSky ----------------
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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LLSky::LLSky()
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{
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// Set initial clear color to black
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// Set fog color
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mFogColor.mV[VRED] = mFogColor.mV[VGREEN] = mFogColor.mV[VBLUE] = 0.5f;
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mFogColor.mV[VALPHA] = 0.0f;
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mLightingGeneration = 0;
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mUpdatedThisFrame = TRUE;
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}
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LLSky::~LLSky()
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{
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}
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void LLSky::cleanup()
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{
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mVOSkyp = NULL;
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mVOWLSkyp = NULL;
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}
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void LLSky::destroyGL()
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{
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if (!mVOSkyp.isNull() && mVOSkyp->getCubeMap())
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{
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mVOSkyp->cleanupGL();
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}
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if (mVOWLSkyp.notNull())
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{
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mVOWLSkyp->cleanupGL();
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}
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}
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void LLSky::restoreGL()
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{
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if (mVOSkyp)
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{
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mVOSkyp->restoreGL();
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}
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if (mVOWLSkyp)
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{
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mVOWLSkyp->restoreGL();
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}
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}
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void LLSky::resetVertexBuffers()
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{
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if (gSky.mVOSkyp.notNull())
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{
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gPipeline.resetVertexBuffers(gSky.mVOSkyp->mDrawable);
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gPipeline.markRebuild(gSky.mVOSkyp->mDrawable, LLDrawable::REBUILD_ALL, TRUE);
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}
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if (gSky.mVOWLSkyp.notNull())
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{
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gSky.mVOWLSkyp->resetVertexBuffers();
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gPipeline.resetVertexBuffers(gSky.mVOWLSkyp->mDrawable);
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gPipeline.markRebuild(gSky.mVOWLSkyp->mDrawable, LLDrawable::REBUILD_ALL, TRUE);
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}
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}
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void LLSky::setSunScale(F32 sun_scale)
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{
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if(mVOSkyp.notNull())
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{
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mVOSkyp->setSunScale(sun_scale);
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}
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}
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void LLSky::setMoonScale(F32 moon_scale)
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{
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if(mVOSkyp.notNull())
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{
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mVOSkyp->setMoonScale(moon_scale);
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}
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}
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void LLSky::setSunTextures(const LLUUID& sun_texture, const LLUUID& sun_texture_next)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setSunTextures(sun_texture, sun_texture_next);
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}
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}
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void LLSky::setMoonTextures(const LLUUID& moon_texture, const LLUUID& moon_texture_next)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setMoonTextures(moon_texture, moon_texture_next);
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}
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}
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void LLSky::setCloudNoiseTextures(const LLUUID& cloud_noise_texture, const LLUUID& cloud_noise_texture_next)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setCloudNoiseTextures(cloud_noise_texture, cloud_noise_texture_next);
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}
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}
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void LLSky::setBloomTextures(const LLUUID& bloom_texture, const LLUUID& bloom_texture_next)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setBloomTextures(bloom_texture, bloom_texture_next);
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}
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}
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void LLSky::setSunAndMoonDirectionsCFR(const LLVector3 &sun_direction, const LLVector3 &moon_direction)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setSunAndMoonDirectionsCFR(sun_direction, moon_direction);
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}
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}
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void LLSky::setSunDirectionCFR(const LLVector3 &sun_direction)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setSunDirectionCFR(sun_direction);
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}
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}
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void LLSky::setMoonDirectionCFR(const LLVector3 &moon_direction)
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{
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if(mVOSkyp.notNull()) {
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mVOSkyp->setMoonDirectionCFR(moon_direction);
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}
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}
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//////////////////////////////////////////////////////////////////////
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// Public Methods
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//////////////////////////////////////////////////////////////////////
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void LLSky::init()
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{
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mVOWLSkyp = static_cast<LLVOWLSky*>(gObjectList.createObjectViewer(LLViewerObject::LL_VO_WL_SKY, NULL));
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mVOWLSkyp->init();
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gPipeline.createObject(mVOWLSkyp.get());
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mVOSkyp = (LLVOSky *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_SKY, NULL);
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mVOSkyp->init();
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gPipeline.createObject(mVOSkyp.get());
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gSky.setFogRatio(gSavedSettings.getF32("RenderFogRatio"));
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mUpdatedThisFrame = TRUE;
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}
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void LLSky::setCloudDensityAtAgent(F32 cloud_density)
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{
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if (mVOSkyp)
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{
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mVOSkyp->setCloudDensity(cloud_density);
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}
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}
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void LLSky::setWind(const LLVector3& average_wind)
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{
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if (mVOSkyp)
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{
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mVOSkyp->setWind(average_wind);
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}
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}
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void LLSky::addSunMoonBeacons()
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{
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if (!gAgentAvatarp || !mVOSkyp) return;
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static LLUICachedControl<bool> show_sun_beacon("sunbeacon", false);
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static LLUICachedControl<bool> show_moon_beacon("moonbeacon", false);
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if (show_sun_beacon)
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{
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renderSunMoonBeacons(gAgentAvatarp->getPositionAgent(), mVOSkyp->getSun().getDirection(), LLColor4(1.f, 0.5f, 0.f, 0.5f));
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}
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if (show_moon_beacon)
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{
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renderSunMoonBeacons(gAgentAvatarp->getPositionAgent(), mVOSkyp->getMoon().getDirection(), LLColor4(1.f, 0.f, 0.8f, 0.5f));
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}
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}
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//////////////////////////////////////////////////////////////////////
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// Private Methods
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//////////////////////////////////////////////////////////////////////
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LLColor4 LLSky::getSkyFogColor() const
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{
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if (mVOSkyp)
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{
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return mVOSkyp->getSkyFogColor();
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}
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return LLColor4(1.f, 1.f, 1.f, 1.f);
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}
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void LLSky::updateFog(const F32 distance)
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{
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if (mVOSkyp)
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{
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mVOSkyp->updateFog(distance);
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}
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}
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void LLSky::updateCull()
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{
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// *TODO: do culling for wl sky properly -Brad
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}
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void LLSky::updateSky()
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{
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if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_SKY))
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{
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return;
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}
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if (mVOSkyp)
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{
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mVOSkyp->updateSky();
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}
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}
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void LLSky::setFogRatio(const F32 fog_ratio)
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{
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if (mVOSkyp)
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{
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mVOSkyp->setFogRatio(fog_ratio);
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}
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}
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F32 LLSky::getFogRatio() const
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{
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if (mVOSkyp)
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{
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return mVOSkyp->getFogRatio();
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}
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else
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{
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return 0.f;
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}
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}
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// Returns angle (DEGREES) between the horizontal plane and "v",
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// where the angle is negative when v.mV[VZ] < 0.0f
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F32 elevation_from_vector(const LLVector3 &v)
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{
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F32 elevation = 0.0f;
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F32 xy_component = (F32) sqrt(v.mV[VX] * v.mV[VX] + v.mV[VY] * v.mV[VY]);
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if (xy_component != 0.0f)
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{
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elevation = RAD_TO_DEG * (F32) atan(v.mV[VZ]/xy_component);
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}
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else
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{
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if (v.mV[VZ] > 0.f)
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{
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elevation = 90.f;
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}
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else
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{
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elevation = -90.f;
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}
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}
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return elevation;
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}
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