c62d2810 |
1 | /* FCE Ultra - NES/Famicom Emulator\r |
2 | *\r |
3 | * Copyright notice for this file:\r |
4 | * Copyright (C) 2002 Ben Parnell\r |
5 | *\r |
6 | * This program is free software; you can redistribute it and/or modify\r |
7 | * it under the terms of the GNU General Public License as published by\r |
8 | * the Free Software Foundation; either version 2 of the License, or\r |
9 | * (at your option) any later version.\r |
10 | *\r |
11 | * This program is distributed in the hope that it will be useful,\r |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
14 | * GNU General Public License for more details.\r |
15 | *\r |
16 | * You should have received a copy of the GNU General Public License\r |
17 | * along with this program; if not, write to the Free Software\r |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
19 | */\r |
20 | \r |
21 | #ifdef NETWORK\r |
22 | \r |
23 | #include <stdio.h>\r |
24 | #include <stdlib.h>\r |
25 | #include <string.h>\r |
26 | \r |
27 | #include "types.h"\r |
28 | #include "svga.h"\r |
29 | #include "netplay.h"\r |
30 | \r |
31 | int netplay=0; /* 1 if we are a server */\r |
32 | /* 2 if we need a host */\r |
33 | static uint8 netjoy[4]; // controller stuff.\r |
34 | \r |
35 | static void NetError(void)\r |
36 | {\r |
37 | FCEU_DispMessage("Network error/connection lost!");\r |
38 | // FCEUD_PrintError("Network error/connection lost!");\r |
39 | netplay=0;\r |
40 | FCEUD_NetworkClose();\r |
41 | }\r |
42 | \r |
43 | void KillNetplay(void)\r |
44 | {\r |
45 | if(netplay)\r |
46 | {\r |
47 | FCEUD_NetworkClose();\r |
48 | netplay=0;\r |
49 | }\r |
50 | }\r |
51 | \r |
52 | int InitNetplay(void)\r |
53 | {\r |
54 | if(!FCEUD_NetworkConnect())\r |
55 | {NetError();return 0;}\r |
56 | netplay=FSettings.NetworkPlay;\r |
57 | memset(netjoy,0,sizeof(netjoy));\r |
58 | return 1;\r |
59 | }\r |
60 | \r |
61 | void NetplayUpdate(uint16 *joyp1, uint16 *joyp2)\r |
62 | {\r |
63 | uint8 buf[5];\r |
64 | if(netplay==1) // We're the server\r |
65 | {\r |
66 | int t;\r |
67 | \r |
68 | loopo:\r |
69 | \r |
70 | t=FCEUD_NetworkRecvData(&netjoy[2],1,0);\r |
71 | if(!t) {NetError();return;} \r |
72 | if(t!=-1) goto loopo;\r |
73 | \r |
74 | netjoy[0]=*joyp1;\r |
75 | memcpy(buf,netjoy,4);\r |
76 | buf[4]=CommandQueue;\r |
77 | \r |
78 | if(!FCEUD_NetworkSendData(buf,5)) {NetError();return;}\r |
79 | if(CommandQueue)\r |
80 | {\r |
81 | DoCommand(CommandQueue);\r |
82 | CommandQueue=0;\r |
83 | }\r |
84 | }\r |
85 | else if(netplay==2) // We're connected to a host (we're second player)\r |
86 | {\r |
87 | uint8 ja=(*joyp1)|(*joyp1>>8)|(*joyp2)|(*joyp2>>8);\r |
88 | if(!FCEUD_NetworkSendData(&ja,1)) {NetError();return;}\r |
89 | if(!FCEUD_NetworkRecvData(buf,5,1)) {NetError();return;}\r |
90 | \r |
91 | memcpy(netjoy,buf,4);\r |
92 | if(buf[4]) DoCommand(buf[4]);\r |
93 | }\r |
94 | *joyp1=netjoy[0]|(netjoy[1]<<8);\r |
95 | *joyp2=netjoy[2]|(netjoy[3]<<8);\r |
96 | \r |
97 | }\r |
98 | #endif\r |