llsky.h
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上传日期:2021-03-01
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- /**
- * @file llsky.h
- * @brief It's, uh, the sky!
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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