// ipxnet.h

typedef struct
{
	char	private[512];
} doomdata_t;


#include "DoomNet.h"

//===========================================================================

#define NUMPACKETS      10			// max outstanding packets before loss


// setupdata_t is used as doomdata_t during setup
typedef struct
{
	short	gameid;					// so multiple games can setup at once
	short	drone;
	short	nodesfound;
	short	nodeswanted;
} setupdata_t;



typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned long LONG;

typedef struct IPXPacketStructure
{
	WORD    PacketCheckSum;         /* high-low */
	WORD    PacketLength;           /* high-low */
	BYTE    PacketTransportControl;
	BYTE    PacketType;

	BYTE    dNetwork[4];            /* high-low */
	BYTE    dNode[6];               /* high-low */
	BYTE    dSocket[2];             /* high-low */

	BYTE    sNetwork[4];            /* high-low */
	BYTE    sNode[6];               /* high-low */
	BYTE    sSocket[2];             /* high-low */
} IPXPacket;


typedef struct
{
	BYTE    network[4];             /* high-low */
	BYTE    node[6];                /* high-low */
} localadr_t;

typedef struct
{
	BYTE    node[6];                /* high-low */
} nodeadr_t;

typedef struct ECBStructure
{
	WORD    Link[2];                /* offset-segment */
	WORD    ESRAddress[2];          /* offset-segment */
	BYTE    InUseFlag;
	BYTE    CompletionCode;
	WORD    ECBSocket;              /* high-low */
	BYTE    IPXWorkspace[4];        /* N/A */
	BYTE    DriverWorkspace[12];    /* N/A */
	BYTE    ImmediateAddress[6];    /* high-low */
	WORD    FragmentCount;          /* low-high */

	WORD    fAddress[2];            /* offset-segment */
	WORD    fSize;                  /* low-high */
} ECB;


// time is used by the communication driver to sequence packets returned
// to DOOM when more than one is waiting

typedef struct
{
	ECB             ecb;
	IPXPacket       ipx;

	long			time;
	doomdata_t		data;
} packet_t;


extern	doomcom_t	doomcom;
extern	int			gameid;

extern	nodeadr_t	nodeadr[MAXNETNODES+1];
extern	int			localnodenum;

extern	long   		localtime;		// for time stamp in packets
extern	long		remotetime;		// timestamp of last packet gotten

extern	nodeadr_t	remoteadr;

void Error (char *error, ...);


void InitNetwork (void);
void ShutdownNetwork (void);
void SendPacket (int destination);
int GetPacket (void);
int CheckParm (char *check);

void PrintAddress (nodeadr_t *adr, char *str);