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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
// //
// plFogEnvironment.h - Header file for the fog environment class //
// //
//////////////////////////////////////////////////////////////////////////////
#ifndef _plFogEnvironment_h
#define _plFogEnvironment_h
#include "pnKeyedObject/hsKeyedObject.h"
#include "hsTypes.h"
#include "hsColorRGBA.h"
#include "hsTemplates.h"
#include "hsUtils.h"
//// plFogEnvironment Class Definition ////////////////////////////////////////////
// Defines a fog environment. Bite me.
class plFogEnvironment : public hsKeyedObject
{
protected:
UInt8 fType;
hsScalar fStart; // Used for linear fog only
hsScalar fEnd, fDensity; // Always used!
hsColorRGBA fColor;
public:
CLASSNAME_REGISTER( plFogEnvironment );
GETINTERFACE_ANY( plFogEnvironment, hsKeyedObject );
enum FogType
{
kLinearFog = 0,
kExpFog,
kExp2Fog,
kNoFog
};
plFogEnvironment();
plFogEnvironment( hsScalar start, hsScalar end, hsScalar density, hsColorRGBA &color );
plFogEnvironment( FogType type, hsScalar end, hsScalar density, hsColorRGBA &color );
~plFogEnvironment();
// Sets the parameters for linear fog
void Set( hsScalar start, hsScalar end, hsScalar density, const hsColorRGBA *color = nil );
// Sets the parameters for exp or exp^2 fog
void SetExp( FogType type, hsScalar end, hsScalar density, const hsColorRGBA *color = nil );
// Sets the color
void SetColor( hsColorRGBA &color ) { fColor = color; }
// Clear the environment to no fog
void Clear( void ) { fType = kNoFog; }
// Gets the type
UInt8 GetType( void ) { return fType; }
// Gets the color
hsColorRGBA &GetColor( void ) { return fColor; }
// Gets the parameters. Sets start to 0 if the type is not linear (can be nil)
void GetParameters( hsScalar *start, hsScalar *end, hsScalar *density, hsColorRGBA *color );
// Gets linear pipeline (DX) specific parameters.
void GetPipelineParams( hsScalar *start, hsScalar *end, hsColorRGBA *color );
// Gets exp or exp^2 pipeline (DX) specific parameters.
void GetPipelineParams( hsScalar *density, hsColorRGBA *color );
virtual void Read(hsStream *s, hsResMgr *mgr);
virtual void Write(hsStream *s, hsResMgr *mgr);
};
#endif //_plFogEnvironment_h