cleanups, savestates, input (combos), menu

[fceu.git] / netplay.c

/* FCE Ultra - NES/Famicom Emulator\r
 *\r
 * Copyright notice for this file:\r
 *  Copyright (C) 2002 Ben Parnell\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *\r
 * This program is distributed in the hope that it will be useful,\r
 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 * GNU General Public License for more details.\r
 *\r
 * You should have received a copy of the GNU General Public License\r
 * along with this program; if not, write to the Free Software\r
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
 */\r
\r
#ifdef NETWORK\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <string.h>\r
\r
#include "types.h"\r
#include "svga.h"\r
#include "netplay.h"\r
\r
int netplay=0;         /*      1 if we are a server */\r
                        /*      2 if we need a host  */\r
static uint8 netjoy[4];	// controller stuff.\r
\r
static void NetError(void)\r
{\r
 FCEU_DispMessage("Network error/connection lost!");\r
// FCEUD_PrintError("Network error/connection lost!");\r
 netplay=0;\r
 FCEUD_NetworkClose();\r
}\r
\r
void KillNetplay(void)\r
{\r
 if(netplay)\r
 {\r
  FCEUD_NetworkClose();\r
  netplay=0;\r
 }\r
}\r
\r
int InitNetplay(void)\r
{\r
         if(!FCEUD_NetworkConnect())\r
          {NetError();return 0;}\r
         netplay=FSettings.NetworkPlay;\r
	 memset(netjoy,0,sizeof(netjoy));\r
         return 1;\r
}\r
\r
void NetplayUpdate(uint16 *joyp1, uint16 *joyp2)\r
{\r
 uint8 buf[5];\r
 if(netplay==1)         // We're the server\r
 {\r
  int t;\r
\r
  loopo:\r
\r
  t=FCEUD_NetworkRecvData(&netjoy[2],1,0);\r
  if(!t) {NetError();return;}   \r
  if(t!=-1) goto loopo;\r
\r
  netjoy[0]=*joyp1;\r
  memcpy(buf,netjoy,4);\r
  buf[4]=CommandQueue;\r
\r
  if(!FCEUD_NetworkSendData(buf,5)) {NetError();return;}\r
  if(CommandQueue)\r
  {\r
   DoCommand(CommandQueue);\r
   CommandQueue=0;\r
  }\r
 }\r
 else if(netplay==2)    // We're connected to a host (we're second player)\r
 {\r
  uint8 ja=(*joyp1)|(*joyp1>>8)|(*joyp2)|(*joyp2>>8);\r
  if(!FCEUD_NetworkSendData(&ja,1)) {NetError();return;}\r
  if(!FCEUD_NetworkRecvData(buf,5,1)) {NetError();return;}\r
\r
  memcpy(netjoy,buf,4);\r
  if(buf[4]) DoCommand(buf[4]);\r
 }\r
 *joyp1=netjoy[0]|(netjoy[1]<<8);\r
 *joyp2=netjoy[2]|(netjoy[3]<<8);\r
\r
}\r
#endif\r