/** * @file llsky.h * @brief It's, uh, the sky! * * $LicenseInfo:firstyear=2001&license=viewergpl$ * * Copyright (c) 2001-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #ifndef LL_LLSKY_H #define LL_LLSKY_H #include "llmath.h" //#include "vmath.h" #include "v3math.h" #include "v4math.h" #include "v4color.h" #include "v4coloru.h" #include "llvosky.h" #include "llvoground.h" class LLViewerCamera; class LLVOWLSky; class LLVOWLClouds; class LLSky { public: LLSky(); ~LLSky(); void init(const LLVector3 &sun_direction); void cleanup(); void setOverrideSun(BOOL override); BOOL getOverrideSun() { return mOverrideSimSunPosition; } void setSunDirection(const LLVector3 &sun_direction, const LLVector3 &sun_ang_velocity); void setSunTargetDirection(const LLVector3 &sun_direction, const LLVector3 &sun_ang_velocity); LLColor4 getFogColor() const; void setCloudDensityAtAgent(F32 cloud_density); void setWind(const LLVector3& wind); void updateFog(const F32 distance); void updateCull(); void updateSky(); void propagateHeavenlyBodies(F32 dt); // dt = seconds S32 mLightingGeneration; BOOL mUpdatedThisFrame; void setFogRatio(const F32 fog_ratio); // Fog distance as fraction of cull distance. F32 getFogRatio() const; LLColor4U getFadeColor() const; LLVector3 getSunDirection() const; LLVector3 getMoonDirection() const; LLColor4 getSunDiffuseColor() const; LLColor4 getMoonDiffuseColor() const; LLColor4 getSunAmbientColor() const; LLColor4 getMoonAmbientColor() const; LLColor4 getTotalAmbientColor() const; BOOL sunUp() const; F32 getSunPhase() const; void setSunPhase(const F32 phase); void destroyGL(); void restoreGL(); void resetVertexBuffers(); public: LLPointer<LLVOSky> mVOSkyp; // Pointer to the LLVOSky object (only one, ever!) LLPointer<LLVOGround> mVOGroundp; LLPointer<LLVOWLSky> mVOWLSkyp; LLVector3 mSunTargDir; // Legacy stuff LLVector3 mSunDefaultPosition; static const F32 NIGHTTIME_ELEVATION; // degrees static const F32 NIGHTTIME_ELEVATION_COS; protected: BOOL mOverrideSimSunPosition; F32 mSunPhase; LLColor4 mFogColor; // Color to use for fog and haze LLVector3 mLastSunDirection; }; extern LLSky gSky; #endif