/*==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==*/
/*****************************************************************************
*
*   $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/pnUtMisc.h
*   
***/

#ifdef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTMISC_H
#error "Header $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/pnUtMisc.h included more than once"
#endif
#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTMISC_H


/*****************************************************************************
*
*   Constants
*
***/

const wchar UNICODE_BOM = 0xfeff;  // Unicode byte-order mark
const char  UTF8_BOM[]  = "\xef\xbb\xbf";


/*****************************************************************************
*
*   Module instance functions
*
***/

void ModuleSetInstance (void * instance);
void * ModuleGetInstance ();


/*****************************************************************************
*
*   Command line functions
*
***/

const wchar * AppGetCommandLine ();


/*****************************************************************************
*
*   System info functions
*
***/
void MachineGetName (wchar * computerName, unsigned length = 32);


/*****************************************************************************
*
*   Misc types
*
***/

// used to dump the internal state of a module
typedef void (__cdecl * FStateDump)(
    void *      param,
    const wchar fmt[],
    ...
);


/*****************************************************************************
*
*   Dll initialization
*
***/

#if HS_BUILD_FOR_WIN32
#define SRV_MODULE_PRE_INIT()                                               \
    extern BOOL WINAPI PreDllMain (HANDLE handle, DWORD reason, LPVOID);    \
    extern "C" BOOL (WINAPI *_pRawDllMain)(HANDLE, DWORD, LPVOID) = PreDllMain
#endif


/*****************************************************************************
*
*   System status
*
***/

struct MemoryStatus {
    unsigned totalPhysMB;       // total physical memory 
    unsigned availPhysMB;       // free physical memory
    unsigned totalPageFileMB;   // total page file size
    unsigned availPageFileMB;   // free page file size
    unsigned totalVirtualMB;    // total virtual address space for calling process
    unsigned availVirtualMB;    // available virtual address space for calling process
    unsigned memoryLoad;        // 0..100
};
void MemoryGetStatus (MemoryStatus * status);

struct DiskStatus {
    wchar       name[16];
    unsigned    totalSpaceMB;
    unsigned    freeSpaceMB;
};

void DiskGetStatus (ARRAY(DiskStatus) * disks);


void CpuGetInfo (
	word *	cpuCaps,
	dword *	cpuVendor,
	word *	cpuSignature
);

// CPU capability flags
const unsigned kCpuCap3dNow	= 1<<0;
const unsigned kCpuCapCmov	= 1<<1;	// conditional move
const unsigned kCpuCapEst	= 1<<2;	// enhanced speed step
const unsigned kCpuCapHtt	= 1<<3;	// hyperthreading
const unsigned kCpuCapMmx	= 1<<4;	// multimedia extensions
const unsigned kCpuCapPsn	= 1<<5;	// processor serial number
const unsigned kCpuCapSse	= 1<<6; // streaming SIMD extensions
const unsigned kCpuCapSse2	= 1<<7;
const unsigned kCpuCapSse3	= 1<<8;
const unsigned kCpuCapTsc	= 1<<9;	// time stamp counter

// Macros for packing and unpacking CPU signature
#define CPU_SIGNATURE(family, model, stepping)	((stepping) | (model << 4) | (family << 8))
#define CPU_SIGNATURE_FAMILY(sig)				((sig >> 8) & 0xf)
#define CPU_SIGNATURE_MODEL(sig)				((sig >> 4) & 0xf)
#define CPU_SIGNATURE_STEPPING(sig)				(sig & 0xf)