/* DirectMusicScript Private Include
 *
 * Copyright (C) 2003-2004 Rok Mandeljc
 *
 * 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 2 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef __WINE_DMSCRIPT_PRIVATE_H
#define __WINE_DMSCRIPT_PRIVATE_H

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "wingdi.h"
#include "winuser.h"

#include "wine/debug.h"
#include "wine/list.h"
#include "wine/unicode.h"
#include "winreg.h"
#include "objbase.h"

#include "dmusici.h"
#include "dmusicf.h"
#include "dmusics.h"

/*****************************************************************************
 * Interfaces
 */
typedef struct IDirectMusicScriptImpl IDirectMusicScriptImpl;

typedef struct IDirectMusicScriptTrack IDirectMusicScriptTrack;

/*****************************************************************************
 * ClassFactory
 */
extern HRESULT WINAPI DMUSIC_CreateDirectMusicScriptImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);

extern HRESULT WINAPI DMUSIC_CreateDirectMusicScriptTrack (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);

/*****************************************************************************
 * IDirectMusicScriptImpl implementation structure
 */
struct IDirectMusicScriptImpl {
  /* IUnknown fields */
  const IUnknownVtbl *UnknownVtbl;
  const IDirectMusicScriptVtbl *ScriptVtbl;
  const IDirectMusicObjectVtbl *ObjectVtbl;
  const IPersistStreamVtbl *PersistStreamVtbl;
  LONG           ref;

  /* IDirectMusicScriptImpl fields */
  IDirectMusicPerformance* pPerformance;
  LPDMUS_OBJECTDESC pDesc;
  DMUS_IO_SCRIPT_HEADER* pHeader;
  DMUS_IO_VERSION* pVersion;
  WCHAR* pwzLanguage;
  WCHAR* pwzSource;
};

/*****************************************************************************
 * IDirectMusicScriptTrack implementation structure
 */
struct IDirectMusicScriptTrack {
  /* IUnknown fields */
  const IUnknownVtbl *UnknownVtbl;
  const IDirectMusicTrack8Vtbl *TrackVtbl;
  const IPersistStreamVtbl *PersistStreamVtbl;
  LONG           ref;

  /* IDirectMusicScriptTrack fields */
  LPDMUS_OBJECTDESC pDesc;
};

/**********************************************************************
 * Dll lifetime tracking declaration for dmscript.dll
 */
extern LONG DMSCRIPT_refCount;
static inline void DMSCRIPT_LockModule(void) { InterlockedIncrement( &DMSCRIPT_refCount ); }
static inline void DMSCRIPT_UnlockModule(void) { InterlockedDecrement( &DMSCRIPT_refCount ); }

/*****************************************************************************
 * Misc.
 */
/* for simpler reading */
typedef struct _DMUS_PRIVATE_CHUNK {
	FOURCC fccID; /* FOURCC ID of the chunk */
	DWORD dwSize; /* size of the chunk */
} DMUS_PRIVATE_CHUNK, *LPDMUS_PRIVATE_CHUNK;

/* used for generic dumping (copied from ddraw) */
typedef struct {
    DWORD val;
    const char* name;
} flag_info;

typedef struct {
    const GUID *guid;
    const char* name;
} guid_info;

/* used for initialising structs (primarily for DMUS_OBJECTDESC) */
#define DM_STRUCT_INIT(x) 				\
	do {								\
		memset((x), 0, sizeof(*(x)));	\
		(x)->dwSize = sizeof(*x);		\
	} while (0)

#define FE(x) { x, #x }	
#define GE(x) { &x, #x }

#define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))

/* check whether the given DWORD is even (return 0) or odd (return 1) */
extern int even_or_odd (DWORD number);
/* FOURCC to string conversion for debug messages */
extern const char *debugstr_fourcc (DWORD fourcc);
/* DMUS_VERSION struct to string conversion for debug messages */
extern const char *debugstr_dmversion (const DMUS_VERSION *version);
/* returns name of given GUID */
extern const char *debugstr_dmguid (const GUID *id);
/* returns name of given error code */
extern const char *debugstr_dmreturn (DWORD code);
/* generic flags-dumping function */
extern const char *debugstr_flags (DWORD flags, const flag_info* names, size_t num_names);
extern const char *debugstr_DMUS_OBJ_FLAGS (DWORD flagmask);
/* dump whole DMUS_OBJECTDESC struct */
extern const char *debugstr_DMUS_OBJECTDESC (LPDMUS_OBJECTDESC pDesc);

#endif	/* __WINE_DMSCRIPT_PRIVATE_H */