alexpete
124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRY3DENGINE_SKYLIGHTMANAGER_H
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#define CRYINCLUDE_CRY3DENGINE_SKYLIGHTMANAGER_H
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#pragma once
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#include <memory>
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#include <vector>
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class CSkyLightNishita;
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struct ITimer;
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class CSkyLightManager
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: public Cry3DEngineBase
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{
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public:
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struct SSkyDomeCondition
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{
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SSkyDomeCondition()
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: m_sunIntensity(20.0f, 20.0f, 20.0f)
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, m_Km(0.001f)
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, m_Kr(0.00025f)
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, m_g(-0.99f)
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, m_rgbWaveLengths(650.0f, 570.0f, 475.0f)
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, m_sunDirection(0.0f, 0.707106f, 0.707106f)
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{
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}
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Vec3 m_sunIntensity;
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float m_Km;
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float m_Kr;
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float m_g;
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Vec3 m_rgbWaveLengths;
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Vec3 m_sunDirection;
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} _ALIGN(16);
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public:
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CSkyLightManager();
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~CSkyLightManager();
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// sky dome condition
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void SetSkyDomeCondition(const SSkyDomeCondition& skyDomeCondition);
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void GetCurSkyDomeCondition(SSkyDomeCondition& skyCond) const;
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// controls updates
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void FullUpdate();
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void IncrementalUpdate(f32 updateRatioPerFrame, const SRenderingPassInfo& passInfo);
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void SetQuality(int32 quality);
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// rendering params
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const SSkyLightRenderParams* GetRenderParams() const;
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void GetMemoryUsage(ICrySizer* pSizer) const;
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void InitSkyDomeMesh();
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void ReleaseSkyDomeMesh();
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void UpdateInternal(int32 newFrameID, int32 numUpdates, int callerIsFullUpdate = 0);
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private:
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typedef std::vector<CryHalf4> SkyDomeTextureData;
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private:
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bool IsSkyDomeUpdateFinished() const;
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int GetFrontBuffer() const;
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int GetBackBuffer() const;
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void ToggleBuffer();
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public:
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void UpdateRenderParams();
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private:
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void PushUpdateParams();
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private:
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SSkyDomeCondition m_curSkyDomeCondition; //current sky dome conditions
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SSkyDomeCondition m_reqSkyDomeCondition[2]; //requested sky dome conditions, double buffered(engine writes async)
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SSkyDomeCondition m_updatingSkyDomeCondition; //sky dome conditions the update is currently processed with
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int m_updateRequested[2]; //true if an update is requested, double buffered(engine writes async)
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CSkyLightNishita* m_pSkyLightNishita;
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SkyDomeTextureData m_skyDomeTextureDataMie[ 2 ];
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SkyDomeTextureData m_skyDomeTextureDataRayleigh[ 2 ];
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int32 m_skyDomeTextureTimeStamp[ 2 ];
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bool m_bFlushFullUpdate;
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_smart_ptr<IRenderMesh> m_pSkyDomeMesh;
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int32 m_numSkyDomeColorsComputed;
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int32 m_curBackBuffer;
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int32 m_lastFrameID;
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int32 m_needRenderParamUpdate;
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Vec3 m_curSkyHemiColor[5];
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Vec3 m_curHazeColor;
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Vec3 m_curHazeColorMieNoPremul;
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Vec3 m_curHazeColorRayleighNoPremul;
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Vec3 m_skyHemiColorAccum[5];
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Vec3 m_hazeColorAccum;
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Vec3 m_hazeColorMieNoPremulAccum;
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Vec3 m_hazeColorRayleighNoPremulAccum;
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SSkyLightRenderParams m_renderParams _ALIGN(16);
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} _ALIGN(128);
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#endif // CRYINCLUDE_CRY3DENGINE_SKYLIGHTMANAGER_H
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