//-------------------------------------------------------------------------------------------------------
// VST Plug-Ins SDK
// Version 2.3 Extension
// © 2003, Steinberg Media Technologies, All Rights Reserved
//
// Different structures for persistent data for VST Plugins:
//		- Preset (or Program) without Chunk (->fxPreset)
//		- Preset (or Program) with Chunk (->fxChunkPreset)
//		- Bank without Chunk (->fxBank)
//		- Bank with Chunk (->fxChunkBank)
//-------------------------------------------------------------------------------------------------------

#ifndef __vstfxstore__
#define __vstfxstore__

//---some defines
#define cMagic 		'CcnK'

#define presetMagic  'FxCk'
#define bankMagic	 'FxBk'

#define chunkPresetMagic	'FPCh'
#define chunkBankMagic		'FBCh'

// for old compatibility (renaming)
#define chunkGlobalMagic 'FxCh' // not used
#define fMagic		presetMagic
#define fxProgram   fxPreset
#define fxChunkSet  fxChunkPreset
#define fxSet       fxBank

//--------------------------------------------------------------------
// For Preset (Program) (.fxp) without chunk (magic = 'FxCk')
//--------------------------------------------------------------------
struct fxPreset
{
	long chunkMagic;		// 'CcnK'
	long byteSize;			// of this chunk, excl. magic + byteSize

	long fxMagic;			// 'FxCk'
	long version;
	long fxID;				// FX unique ID
	long fxVersion;

	long numParams;
	char prgName[28];
	float params[1];		// variable no. of Parameters	
};

//--------------------------------------------------------------------
// For Preset (Program) (.fxp) with chunk (magic = 'FPCh')
//--------------------------------------------------------------------
struct fxChunkPreset
{
	long chunkMagic;		// 'CcnK'
	long byteSize;			// of this chunk, excl. magic + byteSize

	long fxMagic;			// 'FPCh'
	long version;
	long fxID;				// FX unique ID
	long fxVersion;

	long numPrograms;
	char prgName[28];

	long chunkSize;
	char chunk[8];			// variable
};

//--------------------------------------------------------------------
// For Bank (.fxb) without chunk (magic = 'FxBk')
//--------------------------------------------------------------------
struct fxBank
{
	long chunkMagic;		// 'CcnK'
	long byteSize;			// of this chunk, excl. magic + byteSize

	long fxMagic;			// 'FxBk'
	long version;
	long fxID;				// FX unique ID
	long fxVersion;

	long numPrograms;
	char future[128];

	fxPreset programs[1];	// variable no. of Presets (Programs)
};

//--------------------------------------------------------------------
// For Bank (.fxb) with chunk (magic = 'FBCh')
//--------------------------------------------------------------------
struct fxChunkBank
{
	long chunkMagic;		// 'CcnK'
	long byteSize;			// of this chunk, excl. magic + byteSize

	long fxMagic;			// 'FBCh'
	long version;
	long fxID;				// FX unique ID
	long fxVersion;

	long numPrograms;
	char future[128];

	long chunkSize;
	char chunk[8];			// variable
};

#endif