hedgewars/uIO.pas
author unc0rr
Thu, 04 Dec 2008 21:15:01 +0000
changeset 1526 18e412dd7d50
parent 1432 ab212288d34d
child 1560 e140bc57ff68
permissions -rw-r--r--
Send QUIT message to server when netclient object is destroyed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     1
(*
1066
1f1b3686a2b0 Update copyright headers a bit
unc0rr
parents: 1038
diff changeset
     2
 * Hedgewars, a free turn based strategy game
883
07a568ba44e0 Update copyright info in source files headers
unc0rr
parents: 784
diff changeset
     3
 * Copyright (c) 2004, 2005, 2007, 2008 Andrey Korotaev <unC0Rr@gmail.com>
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     4
 *
183
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     8
 *
183
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    12
 * GNU General Public License for more details.
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    13
 *
183
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    14
 * You should have received a copy of the GNU General Public License
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    15
 * along with this program; if not, write to the Free Software
57c2ef19f719 Relicense to GPL
unc0rr
parents: 159
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    17
 *)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    18
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    19
unit uIO;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    20
interface
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    21
uses SDLh;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    22
{$INCLUDE options.inc}
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    23
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    24
const ipcPort: Word = 0;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    25
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    26
procedure SendIPC(s: shortstring);
154
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
    27
procedure SendIPCXY(cmd: char; X, Y: SmallInt);
155
401f4ea24715 Engine can generate land preview and send it via IPC
unc0rr
parents: 154
diff changeset
    28
procedure SendIPCRaw(p: pointer; len: Longword);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    29
procedure SendIPCAndWaitReply(s: shortstring);
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
    30
procedure SendIPCTimeInc;
159
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
    31
procedure IPCWaitPongEvent;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    32
procedure IPCCheckSock;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    33
procedure InitIPC;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    34
procedure CloseIPC;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    35
procedure NetGetNextCmd;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    36
656
6d6d9d7b1054 Fix network game bug caused by recent protocol changes
unc0rr
parents: 650
diff changeset
    37
var hiTicks: Word = 0;
6d6d9d7b1054 Fix network game bug caused by recent protocol changes
unc0rr
parents: 650
diff changeset
    38
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    39
implementation
1351
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
    40
uses uConsole, uConsts, uWorld, uMisc, uLand, uChat, uTeams;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    41
const isPonged: boolean = false;
648
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    42
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    43
type PCmd = ^TCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    44
     TCmd = packed record
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    45
            Next: PCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    46
            Time: LongWord;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    47
            case byte of
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    48
            1: (len: byte;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    49
                cmd: Char;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    50
                X, Y: SmallInt);
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    51
            2: (str: shortstring);
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    52
            end;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    53
49
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
    54
var  IPCSock: PTCPSocket = nil;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    55
     fds: PSDLNet_SocketSet;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    56
648
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    57
     headcmd: PCmd = nil;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    58
     lastcmd: PCmd = nil;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    59
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    60
function AddCmd(Time: Longword; str: shortstring): PCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    61
var Result: PCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    62
begin
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    63
new(Result);
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    64
FillChar(Result^, sizeof(TCmd), 0);
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    65
Result^.Time:= Time;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    66
Result^.str:= str;
1351
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
    67
if Result^.cmd <> 'F' then dec(Result^.len, 2); // cut timestamp
648
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    68
if headcmd = nil then
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    69
   begin
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    70
   headcmd:= Result;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    71
   lastcmd:= Result
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    72
   end else
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    73
   begin
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    74
   lastcmd^.Next:= Result;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    75
   lastcmd:= Result
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    76
   end;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    77
AddCmd:= Result
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    78
end;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    79
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    80
procedure RemoveCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    81
var tmp: PCmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    82
begin
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    83
TryDo(headcmd <> nil, 'Engine bug: headcmd = nil', true);
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    84
tmp:= headcmd;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    85
headcmd:= headcmd^.Next;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    86
if headcmd = nil then lastcmd:= nil;
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    87
dispose(tmp)
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
    88
end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    89
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    90
procedure InitIPC;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    91
var ipaddr: TIPAddress;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    92
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    93
WriteToConsole('Init SDL_Net... ');
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    94
SDLTry(SDLNet_Init = 0, true);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    95
fds:= SDLNet_AllocSocketSet(1);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    96
SDLTry(fds <> nil, true);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    97
WriteLnToConsole(msgOK);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    98
WriteToConsole('Establishing IPC connection... ');
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    99
SDLTry(SDLNet_ResolveHost(ipaddr, '127.0.0.1', ipcPort) = 0, true);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   100
IPCSock:= SDLNet_TCP_Open(ipaddr);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   101
SDLTry(IPCSock <> nil, true);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   102
WriteLnToConsole(msgOK)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   103
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   104
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   105
procedure CloseIPC;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   106
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   107
SDLNet_FreeSocketSet(fds);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   108
SDLNet_TCP_Close(IPCSock);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   109
SDLNet_Quit
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   110
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   111
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   112
procedure ParseIPCCommand(s: shortstring);
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   113
var loTicks: Word;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   114
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   115
case s[1] of
22
517be8dc5b76 - Fixed spawning boxes under water
unc0rr
parents: 17
diff changeset
   116
     '!': begin {$IFDEF DEBUGFILE}AddFileLog('Ping? Pong!');{$ENDIF}isPonged:= true; end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   117
     '?': SendIPC('!');
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   118
     '#': inc(hiTicks);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 208
diff changeset
   119
     'e': ParseCommand(copy(s, 2, Length(s) - 1), true);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   120
     'E': OutError(copy(s, 2, Length(s) - 1), true);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   121
     'W': OutError(copy(s, 2, Length(s) - 1), false);
367
bc3c3edc5ce1 Check land digest
unc0rr
parents: 351
diff changeset
   122
     'M': CheckLandDigest(s);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   123
     'T': case s[2] of
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   124
               'L': GameType:= gmtLocal;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   125
               'D': GameType:= gmtDemo;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   126
               'N': GameType:= gmtNet;
72
aeb2ac1878dc Basic save support in engine
unc0rr
parents: 70
diff changeset
   127
               'S': GameType:= gmtSave;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   128
               else OutError(errmsgIncorrectUse + ' IPC "T" :' + s[2], true) end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   129
     else
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   130
     loTicks:= SDLNet_Read16(@s[byte(s[0]) - 1]);
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   131
     AddCmd(hiTicks shl 16 + loTicks, s);
648
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
   132
     {$IFDEF DEBUGFILE}AddFileLog('IPC in: '+s[1]+' ticks '+inttostr(lastcmd^.Time));{$ENDIF}
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   133
     end
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   134
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   135
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   136
procedure IPCCheckSock;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   137
const ss: string = '';
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 367
diff changeset
   138
var i: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   139
    buf: array[0..255] of byte;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   140
    s: shortstring absolute buf;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   141
begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 208
diff changeset
   142
fds^.numsockets:= 0;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   143
SDLNet_AddSocket(fds, IPCSock);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   144
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   145
while SDLNet_CheckSockets(fds, 0) > 0 do
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   146
      begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 208
diff changeset
   147
      i:= SDLNet_TCP_Recv(IPCSock, @buf[1], 255 - Length(ss));
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   148
      if i > 0 then
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   149
         begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   150
         buf[0]:= i;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   151
         ss:= ss + s;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   152
         while (Length(ss) > 1)and(Length(ss) > byte(ss[1])) do
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   153
               begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   154
               ParseIPCCommand(copy(ss, 2, byte(ss[1])));
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   155
               Delete(ss, 1, Succ(byte(ss[1])))
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   156
               end
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   157
         end else OutError('IPC connection lost', true)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   158
      end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   159
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   160
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   161
procedure SendIPC(s: shortstring);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   162
begin
49
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
   163
if IPCSock <> nil then
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
   164
   begin
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
   165
   if s[0]>#251 then s[0]:= #251;
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   166
   SDLNet_Write16(GameTicks, @s[Succ(byte(s[0]))]);
1432
ab212288d34d Make debug messages not to screw text log
unc0rr
parents: 1352
diff changeset
   167
   {$IFDEF DEBUGFILE}AddFileLog('IPC send: '+s[1]);{$ENDIF}
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   168
   inc(s[0], 2);
49
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
   169
   SDLNet_TCP_Send(IPCSock, @s, Succ(byte(s[0])))
3afe33c1cf06 - Teams health bars sorting
unc0rr
parents: 48
diff changeset
   170
   end
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   171
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   172
155
401f4ea24715 Engine can generate land preview and send it via IPC
unc0rr
parents: 154
diff changeset
   173
procedure SendIPCRaw(p: pointer; len: Longword);
401f4ea24715 Engine can generate land preview and send it via IPC
unc0rr
parents: 154
diff changeset
   174
begin
208
a049157d673a Implement Knowledge Base for libs/compilers bugs
unc0rr
parents: 196
diff changeset
   175
if IPCSock <> nil then
a049157d673a Implement Knowledge Base for libs/compilers bugs
unc0rr
parents: 196
diff changeset
   176
   begin
a049157d673a Implement Knowledge Base for libs/compilers bugs
unc0rr
parents: 196
diff changeset
   177
   SDLNet_TCP_Send(IPCSock, p, len)
a049157d673a Implement Knowledge Base for libs/compilers bugs
unc0rr
parents: 196
diff changeset
   178
   end
155
401f4ea24715 Engine can generate land preview and send it via IPC
unc0rr
parents: 154
diff changeset
   179
end;
401f4ea24715 Engine can generate land preview and send it via IPC
unc0rr
parents: 154
diff changeset
   180
154
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   181
procedure SendIPCXY(cmd: char; X, Y: SmallInt);
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   182
var s: shortstring;
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   183
begin
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   184
s[0]:= #5;
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   185
s[1]:= cmd;
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   186
SDLNet_Write16(X, @s[2]);
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   187
SDLNet_Write16(Y, @s[4]);
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   188
SendIPC(s)
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   189
end;
5667e6f38704 Network protocol uses integers in network byte order
unc0rr
parents: 112
diff changeset
   190
649
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   191
procedure SendIPCTimeInc;
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   192
const timeinc: shortstring = '#';
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   193
begin
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   194
SendIPCRaw(@timeinc, 2)
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   195
end;
26166c87dc75 - Use 2 bytes for timestamp in net protocol, thus decreasing average packet size from 6 to 4
unc0rr
parents: 648
diff changeset
   196
159
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   197
procedure IPCWaitPongEvent;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   198
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   199
isPonged:= false;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   200
repeat
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   201
   IPCCheckSock;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   202
   SDL_Delay(1)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   203
until isPonged
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   204
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   205
159
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   206
procedure SendIPCAndWaitReply(s: shortstring);
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   207
begin
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   208
SendIPC(s);
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   209
SendIPC('?');
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   210
IPCWaitPongEvent
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   211
end;
63909aecb0ed Preview stream doesn't need parsing now
unc0rr
parents: 155
diff changeset
   212
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   213
procedure NetGetNextCmd;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   214
var tmpflag: boolean;
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   215
	s: shortstring;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   216
begin
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   217
tmpflag:= true;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   218
1351
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
   219
while (headcmd <> nil)
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
   220
	and ((GameTicks = headcmd^.Time)
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
   221
		or (headcmd^.cmd = 's')
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
   222
		or (headcmd^.cmd = 'F')) do
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   223
	begin
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   224
	case headcmd^.cmd of
1038
3c843ce630ea - Fix accidental network breakage
unc0rr
parents: 1035
diff changeset
   225
		'+': ; // do nothing - it's just empty packet
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   226
		'L': ParseCommand('+left', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   227
		'l': ParseCommand('-left', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   228
		'R': ParseCommand('+right', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   229
		'r': ParseCommand('-right', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   230
		'U': ParseCommand('+up', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   231
		'u': ParseCommand('-up', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   232
		'D': ParseCommand('+down', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   233
		'd': ParseCommand('-down', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   234
		'A': ParseCommand('+attack', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   235
		'a': ParseCommand('-attack', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   236
		'S': ParseCommand('switch', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   237
		'j': ParseCommand('ljump', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   238
		'J': ParseCommand('hjump', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   239
		',': ParseCommand('skip', true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   240
		's': begin
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   241
			s:= copy(headcmd^.str, 2, Pred(headcmd^.len));
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   242
			AddChatString(s);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   243
			WriteLnToConsole(s)
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   244
			end;
1351
aa7aefec5c1b Add partial implementation of handling disconnects while playing via network
unc0rr
parents: 1066
diff changeset
   245
		'F': TeamGone(copy(headcmd^.str, 2, Pred(headcmd^.len)));
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   246
		'N': begin
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   247
			tmpflag:= false;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   248
			{$IFDEF DEBUGFILE}AddFileLog('got cmd "N": time '+inttostr(headcmd^.Time)){$ENDIF}
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   249
			end;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   250
		'p': begin
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   251
			TargetPoint.X:= SmallInt(SDLNet_Read16(@(headcmd^.X)));
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   252
			TargetPoint.Y:= SmallInt(SDLNet_Read16(@(headcmd^.Y)));
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   253
			ParseCommand('put', true)
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   254
			end;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   255
		'P': begin
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   256
			CursorPoint.X:= SmallInt(SDLNet_Read16(@(headcmd^.X)) + WorldDx);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   257
			CursorPoint.Y:= SmallInt(SDLNet_Read16(@(headcmd^.Y)) + WorldDy);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   258
			end;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   259
		'w': ParseCommand('setweap ' + headcmd^.str[2], true);
1035
6f5842bc481b Hopefully done taunts implementation
unc0rr
parents: 978
diff changeset
   260
		't': ParseCommand('taunt ' + headcmd^.str[2], true);
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   261
		'1'..'5': ParseCommand('timer ' + headcmd^.cmd, true);
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   262
		#128..char(128 + cMaxSlotIndex): ParseCommand('slot ' + char(byte(headcmd^.cmd) - 79), true)
1035
6f5842bc481b Hopefully done taunts implementation
unc0rr
parents: 978
diff changeset
   263
		else
6f5842bc481b Hopefully done taunts implementation
unc0rr
parents: 978
diff changeset
   264
			OutError('Unexpected protocol command: ' + headcmd^.cmd, True)
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   265
		end;
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   266
	RemoveCmd
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   267
	end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 208
diff changeset
   268
648
fc5234aa6493 Use list instead of array (no limit for network packets amount)
unc0rr
parents: 526
diff changeset
   269
if (headcmd <> nil) then
977
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   270
	TryDo(GameTicks < headcmd^.Time,
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   271
			'oops, queue error. in buffer: ' + headcmd^.cmd +
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   272
			' (' + inttostr(GameTicks) + ' > ' +
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   273
			inttostr(headcmd^.Time) + ')',
fdbf2a5c1ad7 Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
unc0rr
parents: 946
diff changeset
   274
			true);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   275
1352
405ad07cf875 Add more support for handling disconnects while playing (not fully tested)
unc0rr
parents: 1351
diff changeset
   276
isInLag:= (headcmd = nil) and tmpflag and not CurrentTeam^.hasGone
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   277
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   278
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   279
end.