// Tx.h: interface for the CTx class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TX_H__1C985C2B_F645_49CC_B6F1_2A1666C8E697__INCLUDED_)
#define AFX_TX_H__1C985C2B_F645_49CC_B6F1_2A1666C8E697__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// Tx.h : header file
//
#include "Code.h"		// create an access to Ccode class for Ccode*code var,object of the Tx .
#include "Frame.h"		// create an access to Cframe class for Cframe*frame var of the Tx.
/////////////////////////////////////////////////////////////////////////////
// CTx window

class CTx : public CButton		// we derive this class from Cbutton class to show it as abutton in CDocument Desktop.
{
// Construction
public:
	CTx();		// CTx constructor that alocate a new memory space to some its pointer object class var.

// Attributes
public:
	BOOL		moved;// it shows that this object is moved by user or not?
	POINT		PreviousPoint;// it contains the axis (x,y) of the last point that the captured mouse of this object was there befor moving.
	BOOL		created;// it shows that this object button is created and shown in document or not.
	RECT		position;// it shows the rectangular position of this object button .
	int			MinQueueSize;// the mimimum queue size for sub chips that is sent by this object.
	BYTE*		SubChipQueue;// sub chip queue contains a string of sub chips that is to be sent by this object.
	CFrame*		frame;// every frame that is mode by this object is stored in this class.
	BOOL		RndStartTime;// 0= start time of transmission for this object is static  1= start time of transmission for this object is random
	int			StartTime;// start time of transmission of this object .
	BYTE		SubChipPerChip;// time division or minimum time unit that is used for current simulation .
	int			SubChipCounter;	//to design random start time we must define it as a interger number not BYTE ........ a counter that counts the subchips that is sent by this object .
	int			ByteCounter;// a counter that counts the number of bytes that is sent by this object .
	int			BitCounter;// a counter that counts the number of bits that is sent by this object .
	int			ChipCounter;// a counter that counts the number of chips that is sent by this object  
	int			BufferIndex;// it shows the index of buffer it means that the previous bytes of buffer have sent by this object.
	BOOL		RndProcDelay;// 0= the process delay between transmissiom of frames is static	1= the process delay between transmissiom of frames is random 
	int			ProcDelay;// the process delay between two frames that is sent by this object .
	int			CurrentChip;// it shows the current chip that this object is sending or is subject to send(ing).
	int			CurrentBit;// it shows the current bit that this object is sending or is subject to send(ing).            
	BYTE		CurrentByte;// it shows the current byte that this object is sending or is subject to send(ing).
	CCode*		code;// it shows the address of the Ccode object that is assigned to this object.
	char*		buffer;// a string of chatacters that contains the info that is subjected to send as the name of buffer.
	int			UsedBufferSize;// shows the size of buffer that is used by our information.
	int			BufferSize;// shows the buffer size of this object.
	int			PacketSize;// shows the packet size of this oject.
	int			CRCSize;// shows the CRC size of this object.
	int			PayloadSize;// shows the payload size of this oject.
	int			HeaderSize;// shows the header size of this oject.
	int			WindowSize;// shows the window size of this oject.
	BOOL		OnOff; //On=TRUE Off=FALSE  it means that this object (Tx) is ready for transmission ....... it means that this object (Tx) is off and has no transmission.
	BYTE	TxID;// transmitter ID

// Operations
public:
	void		InitCurrentState();// initialize the current state by calculating the byte ,bit,chip and subchip. 
	int			TwoPower(int num);// get the value of (2^num)
	void		SetBufferIndex(int index);// set the index of this objects buffer to index if it is not bigger than buffer size .
	BOOL		SetPayload(int index);	//False returns if Overflows
	void		SetCRC(CCRC* crc);// set CRC of this objects frame.
	void		SetNextFrame  (CFrame*  frm );// make the next frame .
	void		SetFirstFrame (CFrame*  frm );// make the first frame.
	void		SetNextHeader (CHeader* head);// make the next header .
	void		SetFirstHeader(CHeader* head);// make the first header.
	int			RndProcDelayGen();// generate a random process delay .
	void		Clock();// clock() is the main procedure (function) of this object that send the current subchip with regards to current byte , current bit ,current chip and finally current subchip in subchip queue .
	void		InitClock();// initialize the clock function by set the first current byte,bit,chip,subchip.
	BOOL		GetChipAt(int ByteIndex,int BitIndex,int ChipIndex);// get the chip at the desire position that specify by byte index, bit index , chip index.
	BOOL		GetBitAt(int ByteIndex,int BitIndex);// returns the bit @ desire position that is specifyly byte index and bit index.

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTx)
	public:
	virtual void Serialize(CArchive& ar);// to archive the properties of this object to the file .
	//}}AFX_VIRTUAL

// Implementation
public:
	void ShiftQueue();// shift the subchip queue of the transmitter to discard sent subchip and 
	virtual ~CTx();// deconstructor of this object that delete the alocated memory to its variables 

	// Generated message map functions
protected:
	//{{AFX_MSG(CTx)
	afx_msg void OnClicked();// this message function is called when user clicks the button of this object.           
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);// this message function is called when user hold left button of the mouse on the button of this object .
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);// this message function is called when user hold release button of the mouse on the button of this object .
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);// this message function is called when user move mouse on the button of this object.
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TX_H__1C985C2B_F645_49CC_B6F1_2A1666C8E697__INCLUDED_)