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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996, 1997, 1998, 1999 Gary Henderson (gary@daniver.demon.co.uk) and
* Jerremy Koot (jkoot@snes9x.com)
*
* Super FX C emulator code
* (c) Copyright 1997, 1998, 1999 Ivar (Ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
*
* DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
* DOS port code contains the works of other authors. See headers in
* individual files.
*
* Snes9x homepage: www.snes9x.com
*
* Permission to use, copy, modify and distribute Snes9x in both binary and
* source form, for non-commercial purposes, is hereby granted without fee,
* providing that this license information and copyright notice appear with
* all copies and any derived work.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event shall the authors be held liable for any damages
* arising from the use of this software.
*
* Snes9x is freeware for PERSONAL USE only. Commercial users should
* seek permission of the copyright holders first. Commercial use includes
* charging money for Snes9x or software derived from Snes9x.
*
* The copyright holders request that bug fixes and improvements to the code
* should be forwarded to them so everyone can benefit from the modifications
* in future versions.
*
* Super NES and Super Nintendo Entertainment System are trademarks of
* Nintendo Co., Limited and its subsidiary companies.
*/
#ifndef _NETPLAY_H_
#define _NETPLAY_H_
/* Server to client header format:
*
* magic 4
* version 1
* opcode 1
* len 4
* sequence_no 4
* joypads 4 * 5
* additional data...
*/
/* Client to server packet format:
* magic 4
* version 1
* opcode 1
* len 4
* data ?
*/
typedef struct {
char magic [4];
uint8 version;
uint8 opcode;
uint32 len;
uint32 sequence_no;
} SCNetPlay;
#define NETPLAY_SERVER_VERSION_OFFSET 4
#define NETPLAY_SERVER_OPCODE_OFFSET 5
#define NETPLAY_SERVER_LEN_OFFSET 6
#define NETPLAY_SERVER_SEQUENCE_NO_OFFSET 10
#define NETPLAY_SERVER_JOYPAD_OFFSET 14
#define NETPLAY_SERVER_TO_CLIENT_HEADER_SIZE (4 + 1 + 1 + 4 + 4)
typedef struct {
char magic [4];
uint8 version;
uint8 opcode;
uint32 len;
uint32 sequence_no;
} CSNetPlay;
#define NETPLAY_MAGIC "S9X"
#define NETPLAY_VERSION 1
#define NETPLAY_CLIENT_TO_SERVER_HEADER_SIZE (4 + 1 + 1 + 4)
#define NETPLAY_CLIENT_VERSION_OFFSET 4
#define NETPLAY_CLIENT_OPCODE_OFFSET 5
#define NETPLAY_CLIENT_LEN_OFFSET 6
#define NETPLAY_CLIENT_SEQUENCE_NO_OFFSET 10
#define NETPLAY_DEFAULT_PORT 6096
/* Server to client */
enum {
NETPLAY_SERVER_HELLO,
NETPLAY_SERVER_JOYPAD_UPDATE,
NETPLAY_SERVER_RESET,
NETPLAY_SERVER_PAUSE,
NETPLAY_SERVER_ROM_NAME
};
/* Client to server */
enum {
NETPLAY_CLIENT_HELLO,
NETPLAY_CLIENT_JOYPAD_UPDATE,
NETPLAY_CLIENT_GOODBYE
};
//
// NETPLAY_CLIENT_HELLO message format:
// header
// frame_time (4)
// ROMName (variable)
#define WRITE_LONG(p, v) { \
*((p) + 0) = (uint8) (v >> 24); \
*((p) + 1) = (uint8) (v >> 16); \
*((p) + 2) = (uint8) (v >> 8); \
*((p) + 3) = (uint8) (v >> 0); \
}
#define READ_LONG(p, v) \
v = ((uint8) *((p) + 0) << 24) | \
((uint8) *((p) + 1) << 16) | \
((uint8) *((p) + 2) << 8) | \
((uint8) *((p) + 3) << 0)
bool8 S9xNetPlayConnectToServer (const char *server_name, int port,
const char *rom_name, int &player_number_return);
bool8 S9xNetPlayCheckForHeartBeat ();
uint32 S9xNetPlayGetJoypad (int which1);
bool8 S9xNetPlaySendJoypadUpdate (uint32 joypad);
void S9xNetPlayDisconnect ();
bool8 S9xNetPlaySend (void *fd, const char *data, int len);
char *S9xNetPlayReceivePacket (void *fd, int &len);
#endif
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