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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/>.
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