/*==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==*/
#ifndef DEVICESELECTOR_H
#define DEVICESELECTOR_H

#include "hsTypes.h"
//#include "plRender.h"
#include "../../PubUtilLib/plPipeline/hsG3DDeviceSelector.h"

#define DEV_MODE_DAT "dev_mode.dat"

//
// A wrapper class to simplify hsG3DDeviceSelector.
// Make sure to call Enumerate before doing anything else.
//
class DeviceSelector
{
protected:
	UInt32	fSelDevType;	// Current type of driver. Set by the SetDirect3D/Glide/OpenGL functions
	UInt32	fSelDev;		// Index of selected device. Set by SetDevice() or 
	UInt32	fSelMode;		// Index of selected mode for current device

	int		fDevDesc;	// Used by GetDeviceDescription() to store index of current device
	int		fModeDesc;	// Used by GetModeDescription() to store index of current mode

	char	fStr[1024];		// Used to return text

	UInt16	fPerformance;	// Performance level (0-100)

	int		fFilterBPP, fFilterWidth, fFilterHeight;

	bool fWindowed;

	hsG3DDeviceSelector			fSelector;
	hsTArray<hsG3DDeviceRecord>	fRecords;	// Copy of all records for the current device type
	hsG3DDeviceRecord			fSelRec;	// Device copy for reading/writing

	hsTArray<int>	fFilteredModes;

	void	IRefreshFilter( void );
	int		IFindFiltered( int realIndex );
	int		IGetModeNumNoBPP( const hsG3DDeviceMode *pLoadMode );		// Returns index of passed in mode

public:
	DeviceSelector();

	hsBool Enumerate(HWND hWnd, hsBool expertMode);	// Enumerates all devices
	const char	*GetErrorString( void );

	// Determines if any devices of the specified type are available
	hsBool IsDirect3DAvailable();
	hsBool IsGlideAvailable();
	hsBool IsOpenGLAvailable();
	hsBool IsDirect3DTnLAvailable();

	// Set current device type
	void SetDirect3D();
	void SetGlide();
	void SetOpenGL();
	void SetDirect3DTnL();

	// Returns true if current device is of the specified type
	hsBool IsDirect3D();
	hsBool IsDirect3DTnL();
	hsBool IsGlide();
	hsBool IsOpenGL();

	// Gets and sets the current device or mode.
	UInt32 GetSelectedDevice()	{ return fSelDev; }
	UInt32 GetSelectedMode()	{ return fSelMode; }
	hsBool SetDevice(UInt32 index);
	hsBool SetMode(UInt32 index);

	// Returns the device or mode descriptions.  Call repeatedly until nil is returned.
	char* GetDeviceDescription();
	char* GetModeDescription( void );

	UInt32 GetNumModes();
	void GetMode(UInt32 i, int& width, int& height, int& depth);

	void	SetModeFilter( int bitDepth = 0, int minWidth = 0, int minHeight = 0 );

	void	SetPerformance (UInt16 value) { fPerformance = value; }
	UInt16	GetPerformance () { return fPerformance; }

	// Returns max number of samples allowed for AA
	UInt8	CanAntiAlias		();
	// Returns current # of samples selected for AA, 0 if none
	UInt8	IsAntiAliased	();
	void   SetAntiAlias		(UInt8 numSamples);

	UInt8	CanAnisotropicFilter();
	UInt8	GetAnisotropicLevel();
	void	SetAnisotropicLevel( UInt8 level );

	bool CanWindow();
	bool IsWindowed();
	void SetWindowed(bool state);

	hsBool CanCompress		();
	hsBool IsCompressed		();
	void   SetCompressed	(hsBool state);

	// Caps from hsG3DDeviceSelector
	bool GetCap(UInt32 cap);

	// Save and load
	hsBool Save();			// Returns false if output file can't be opened
	hsBool Load();			// Returns false if input file can't be opened
	hsBool SetDefault();	// Returns false if no suitable renderers are found

protected:
	hsBool CheckDeviceType(UInt32 type);	// Used by the Is*Available() functions
	void SetDeviceType(UInt32 type);		// Used by SetDirect3D/Glide/OpenGL

	// Helpers for LoadDeviceMode()
	int GetDeviceNum(const hsG3DDeviceRecord *pLoadRec);	// Returns index of passed in device
	int GetModeNum(const hsG3DDeviceMode *pLoadMode);		// Returns index of passed in mode
};

#endif //DEVICESELECTOR_H