author | sheepluva |
Sun, 30 Oct 2011 08:01:26 +0100 | |
changeset 6240 | 5d8e478916b4 |
parent 5810 | 552371cc69cc |
child 6247 | 6dfad55fd71c |
permissions | -rw-r--r-- |
4 | 1 |
(* |
1066 | 2 |
* Hedgewars, a free turn based strategy game |
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* Copyright (c) 2004-2011 Andrey Korotaev <unC0Rr@gmail.com> |
4 | 4 |
* |
183 | 5 |
* This program is free software; you can redistribute it and/or modify |
6 |
* it under the terms of the GNU General Public License as published by |
|
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* the Free Software Foundation; version 2 of the License |
|
4 | 8 |
* |
183 | 9 |
* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
12 |
* GNU General Public License for more details. |
|
4 | 13 |
* |
183 | 14 |
* You should have received a copy of the GNU General Public License |
15 |
* along with this program; if not, write to the Free Software |
|
16 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
|
4 | 17 |
*) |
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||
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{$INCLUDE "options.inc"} |
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||
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unit uIO; |
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interface |
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uses SDLh, uTypes; |
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|
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procedure initModule; |
26 |
procedure freeModule; |
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procedure SendIPC(s: shortstring); |
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procedure SendIPCXY(cmd: char; X, Y: SmallInt); |
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procedure SendIPCRaw(p: pointer; len: Longword); |
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procedure SendIPCAndWaitReply(s: shortstring); |
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procedure SendKeepAliveMessage(Lag: Longword); |
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procedure LoadRecordFromFile(fileName: shortstring); |
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procedure SendStat(sit: TStatInfoType; s: shortstring); |
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procedure IPCWaitPongEvent; |
4 | 36 |
procedure IPCCheckSock; |
37 |
procedure InitIPC; |
|
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procedure CloseIPC; |
|
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procedure NetGetNextCmd; |
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procedure doPut(putX, putY: LongInt; fromAI: boolean); |
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|
42 |
implementation |
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uses uConsole, uConsts, uVariables, uCommands, uUtils, uDebug, uMobile; |
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type PCmd = ^TCmd; |
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TCmd = packed record |
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Next: PCmd; |
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loTime: Word; |
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case byte of |
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1: (len: byte; |
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cmd: Char; |
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X, Y: SmallInt); |
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2: (str: shortstring); |
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end; |
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var IPCSock: PTCPSocket; |
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fds: PSDLNet_SocketSet; |
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isPonged: boolean; |
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headcmd: PCmd; |
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lastcmd: PCmd; |
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SendEmptyPacketTicks: LongWord; |
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function AddCmd(Time: Word; str: shortstring): PCmd; |
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var command: PCmd; |
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begin |
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new(command); |
69 |
FillChar(command^, sizeof(TCmd), 0); |
|
70 |
command^.loTime:= Time; |
|
71 |
command^.str:= str; |
|
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if command^.cmd <> 'F' then dec(command^.len, 2); // cut timestamp |
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if headcmd = nil then |
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begin |
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headcmd:= command; |
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lastcmd:= command |
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end else |
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begin |
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lastcmd^.Next:= command; |
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lastcmd:= command |
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end; |
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AddCmd:= command; |
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end; |
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|
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procedure RemoveCmd; |
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var tmp: PCmd; |
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begin |
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TryDo(headcmd <> nil, 'Engine bug: headcmd = nil', true); |
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tmp:= headcmd; |
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headcmd:= headcmd^.Next; |
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if headcmd = nil then lastcmd:= nil; |
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dispose(tmp) |
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end; |
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|
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procedure InitIPC; |
|
96 |
var ipaddr: TIPAddress; |
|
97 |
begin |
|
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WriteToConsole('Init SDL_Net... '); |
99 |
SDLTry(SDLNet_Init = 0, true); |
|
100 |
fds:= SDLNet_AllocSocketSet(1); |
|
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SDLTry(fds <> nil, true); |
|
102 |
WriteLnToConsole(msgOK); |
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WriteToConsole('Establishing IPC connection to tcp 127.0.0.1:' + IntToStr(ipcPort) + ' '); |
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{$HINTS OFF} |
105 |
SDLTry(SDLNet_ResolveHost(ipaddr, '127.0.0.1', ipcPort) = 0, true); |
|
106 |
{$HINTS ON} |
|
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IPCSock:= SDLNet_TCP_Open(ipaddr); |
|
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SDLTry(IPCSock <> nil, true); |
|
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WriteLnToConsole(msgOK) |
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4 | 110 |
end; |
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||
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procedure CloseIPC; |
|
113 |
begin |
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SDLNet_FreeSocketSet(fds); |
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SDLNet_TCP_Close(IPCSock); |
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SDLNet_Quit(); |
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end; |
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||
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procedure ParseIPCCommand(s: shortstring); |
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var loTicks: Word; |
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begin |
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case s[1] of |
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'!': begin AddFileLog('Ping? Pong!'); isPonged:= true; end; |
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'?': SendIPC('!'); |
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'e': ParseCommand(copy(s, 2, Length(s) - 1), true); |
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'E': OutError(copy(s, 2, Length(s) - 1), true); |
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'W': OutError(copy(s, 2, Length(s) - 1), false); |
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'M': ParseCommand('landcheck ' + s, true); |
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'T': case s[2] of |
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'L': GameType:= gmtLocal; |
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'D': GameType:= gmtDemo; |
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'N': GameType:= gmtNet; |
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'S': GameType:= gmtSave; |
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else OutError(errmsgIncorrectUse + ' IPC "T" :' + s[2], true) end; |
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else |
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loTicks:= SDLNet_Read16(@s[byte(s[0]) - 1]); |
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AddCmd(loTicks, s); |
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AddFileLog('[IPC in] '+s[1]+' ticks '+IntToStr(lastcmd^.loTime)); |
4 | 139 |
end |
140 |
end; |
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||
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procedure IPCCheckSock; |
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const ss: shortstring = ''; |
371 | 144 |
var i: LongInt; |
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buf: array[0..255] of byte; |
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s: shortstring absolute buf; |
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begin |
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if IPCSock = nil then |
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exit; |
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fds^.numsockets:= 0; |
4 | 152 |
SDLNet_AddSocket(fds, IPCSock); |
153 |
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154 |
while SDLNet_CheckSockets(fds, 0) > 0 do |
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begin |
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i:= SDLNet_TCP_Recv(IPCSock, @buf[1], 255 - Length(ss)); |
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if i > 0 then |
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begin |
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buf[0]:= i; |
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ss:= ss + s; |
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while (Length(ss) > 1) and (Length(ss) > byte(ss[1])) do |
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begin |
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ParseIPCCommand(copy(ss, 2, byte(ss[1]))); |
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Delete(ss, 1, Succ(byte(ss[1]))) |
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165 |
end |
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end else OutError('IPC connection lost', true) |
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end; |
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end; |
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|
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procedure LoadRecordFromFile(fileName: shortstring); |
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var f: file; |
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ss: shortstring = ''; |
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i: LongInt; |
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buf: array[0..255] of byte; |
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s: shortstring absolute buf; |
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begin |
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5178 | 178 |
uMobile.SaveBegan(); |
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// set RDNLY on file open |
181 |
filemode:= 0; |
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{$I-} |
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assign(f, fileName); |
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reset(f, 1); |
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tryDo(IOResult = 0, 'Error opening file ' + fileName, true); |
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i:= 0; // avoid compiler hints |
189 |
buf[0]:= 0; |
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repeat |
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BlockRead(f, buf[1], 255 - Length(ss), i); |
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if i > 0 then |
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begin |
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buf[0]:= i; |
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ss:= ss + s; |
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while (Length(ss) > 1)and(Length(ss) > byte(ss[1])) do |
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begin |
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ParseIPCCommand(copy(ss, 2, byte(ss[1]))); |
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Delete(ss, 1, Succ(byte(ss[1]))) |
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200 |
end |
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201 |
end |
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until i = 0; |
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|
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close(f) |
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205 |
{$I+} |
4 | 206 |
end; |
207 |
||
4376 | 208 |
procedure SendStat(sit: TStatInfoType; s: shortstring); |
209 |
const stc: array [TStatInfoType] of char = 'rDkKHTPsSB'; |
|
210 |
var buf: shortstring; |
|
211 |
begin |
|
212 |
buf:= 'i' + stc[sit] + s; |
|
213 |
SendIPCRaw(@buf[0], length(buf) + 1) |
|
214 |
end; |
|
215 |
||
4377 | 216 |
|
4 | 217 |
procedure SendIPC(s: shortstring); |
218 |
begin |
|
49 | 219 |
if IPCSock <> nil then |
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220 |
begin |
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221 |
SendEmptyPacketTicks:= 0; |
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222 |
if s[0]>#251 then s[0]:= #251; |
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223 |
SDLNet_Write16(GameTicks, @s[Succ(byte(s[0]))]); |
4900 | 224 |
AddFileLog('[IPC out] '+ s[1]); |
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225 |
inc(s[0], 2); |
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226 |
SDLNet_TCP_Send(IPCSock, @s, Succ(byte(s[0]))) |
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227 |
end |
4 | 228 |
end; |
229 |
||
155
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230 |
procedure SendIPCRaw(p: pointer; len: Longword); |
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231 |
begin |
208 | 232 |
if IPCSock <> nil then |
233 |
begin |
|
234 |
SDLNet_TCP_Send(IPCSock, p, len) |
|
235 |
end |
|
155
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|
236 |
end; |
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237 |
|
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238 |
procedure SendIPCXY(cmd: char; X, Y: SmallInt); |
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|
239 |
var s: shortstring; |
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240 |
begin |
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|
241 |
s[0]:= #5; |
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|
242 |
s[1]:= cmd; |
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243 |
SDLNet_Write16(X, @s[2]); |
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244 |
SDLNet_Write16(Y, @s[4]); |
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|
245 |
SendIPC(s) |
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|
246 |
end; |
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247 |
|
159 | 248 |
procedure IPCWaitPongEvent; |
4 | 249 |
begin |
250 |
isPonged:= false; |
|
251 |
repeat |
|
252 |
IPCCheckSock; |
|
253 |
SDL_Delay(1) |
|
254 |
until isPonged |
|
255 |
end; |
|
256 |
||
159 | 257 |
procedure SendIPCAndWaitReply(s: shortstring); |
258 |
begin |
|
259 |
SendIPC(s); |
|
260 |
SendIPC('?'); |
|
261 |
IPCWaitPongEvent |
|
262 |
end; |
|
263 |
||
2382 | 264 |
procedure SendKeepAliveMessage(Lag: Longword); |
265 |
begin |
|
266 |
inc(SendEmptyPacketTicks, Lag); |
|
267 |
if (SendEmptyPacketTicks >= cSendEmptyPacketTime) then |
|
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268 |
SendIPC('+') |
2382 | 269 |
end; |
270 |
||
4 | 271 |
procedure NetGetNextCmd; |
272 |
var tmpflag: boolean; |
|
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273 |
s: shortstring; |
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274 |
x16, y16: SmallInt; |
4 | 275 |
begin |
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276 |
tmpflag:= true; |
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277 |
|
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|
278 |
while (headcmd <> nil) |
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279 |
and (tmpflag or (headcmd^.cmd = '#')) // '#' is the only cmd which can be sent within same tick after 'N' |
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280 |
and ((GameTicks = hiTicks shl 16 + headcmd^.loTime) |
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281 |
or (headcmd^.cmd = 's') // for these commands time is not specified |
4467 | 282 |
or (headcmd^.cmd = 'h') // seems the hedgewars protocol does not allow remote synced commands |
5810 | 283 |
or (headcmd^.cmd = '#') // must be synced for saves to work |
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284 |
or (headcmd^.cmd = 'b') |
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285 |
or (headcmd^.cmd = 'F')) do |
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|
286 |
begin |
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|
287 |
case headcmd^.cmd of |
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|
288 |
'+': ; // do nothing - it is just an empty packet |
5810 | 289 |
'#': begin |
290 |
AddFileLog('hiTicks increment by remote message'); |
|
291 |
inc(hiTicks); |
|
292 |
end; |
|
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293 |
'L': ParseCommand('+left', true); |
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294 |
'l': ParseCommand('-left', true); |
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295 |
'R': ParseCommand('+right', true); |
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|
296 |
'r': ParseCommand('-right', true); |
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|
297 |
'U': ParseCommand('+up', true); |
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|
298 |
'u': ParseCommand('-up', true); |
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|
299 |
'D': ParseCommand('+down', true); |
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|
300 |
'd': ParseCommand('-down', true); |
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|
301 |
'Z': ParseCommand('+precise', true); |
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|
302 |
'z': ParseCommand('-precise', true); |
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|
303 |
'A': ParseCommand('+attack', true); |
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304 |
'a': ParseCommand('-attack', true); |
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|
305 |
'S': ParseCommand('switch', true); |
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|
306 |
'j': ParseCommand('ljump', true); |
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|
307 |
'J': ParseCommand('hjump', true); |
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|
308 |
',': ParseCommand('skip', true); |
4531
4ea193b0e378
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nemo
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|
309 |
'c': begin |
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|
310 |
s:= copy(headcmd^.str, 2, Pred(headcmd^.len)); |
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|
311 |
ParseCommand('gencmd ' + s, true); |
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|
312 |
end; |
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|
313 |
's': begin |
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|
314 |
s:= copy(headcmd^.str, 2, Pred(headcmd^.len)); |
4409 | 315 |
ParseCommand('chatmsg ' + s, true); |
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|
316 |
WriteLnToConsole(s) |
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|
317 |
end; |
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|
318 |
'b': begin |
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|
319 |
s:= copy(headcmd^.str, 2, Pred(headcmd^.len)); |
4409 | 320 |
ParseCommand('chatmsg '#4 + s, true); |
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|
321 |
WriteLnToConsole(s) |
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|
322 |
end; |
4404 | 323 |
// TODO: deprecate 'F' |
324 |
'F': ParseCommand('teamgone ' + copy(headcmd^.str, 2, Pred(headcmd^.len)), true); |
|
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|
325 |
'N': begin |
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|
326 |
tmpflag:= false; |
4900 | 327 |
AddFileLog('got cmd "N": time '+IntToStr(hiTicks shl 16 + headcmd^.loTime)) |
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|
328 |
end; |
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|
329 |
'p': begin |
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|
330 |
x16:= SDLNet_Read16(@(headcmd^.X)); |
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|
331 |
y16:= SDLNet_Read16(@(headcmd^.Y)); |
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|
332 |
doPut(x16, y16, false) |
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|
333 |
end; |
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|
334 |
'P': begin |
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|
335 |
// these are equations solved for CursorPoint |
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|
336 |
// SDLNet_Read16(@(headcmd^.X)) == CursorPoint.X - WorldDx; |
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|
337 |
// SDLNet_Read16(@(headcmd^.Y)) == cScreenHeight - CursorPoint.Y - WorldDy; |
2969
79024988792e
This *should* solve issue w/ cursor moving around in ammo menu while not your turn NEEDS TESTING, changing uIO makes me nervous
nemo
parents:
2948
diff
changeset
|
338 |
if not (CurrentTeam^.ExtDriven and bShowAmmoMenu) then |
79024988792e
This *should* solve issue w/ cursor moving around in ammo menu while not your turn NEEDS TESTING, changing uIO makes me nervous
nemo
parents:
2948
diff
changeset
|
339 |
begin |
79024988792e
This *should* solve issue w/ cursor moving around in ammo menu while not your turn NEEDS TESTING, changing uIO makes me nervous
nemo
parents:
2948
diff
changeset
|
340 |
CursorPoint.X:= SmallInt(SDLNet_Read16(@(headcmd^.X))) + WorldDx; |
79024988792e
This *should* solve issue w/ cursor moving around in ammo menu while not your turn NEEDS TESTING, changing uIO makes me nervous
nemo
parents:
2948
diff
changeset
|
341 |
CursorPoint.Y:= cScreenHeight - SmallInt(SDLNet_Read16(@(headcmd^.Y))) - WorldDy |
79024988792e
This *should* solve issue w/ cursor moving around in ammo menu while not your turn NEEDS TESTING, changing uIO makes me nervous
nemo
parents:
2948
diff
changeset
|
342 |
end |
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|
343 |
end; |
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|
344 |
'w': ParseCommand('setweap ' + headcmd^.str[2], true); |
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|
345 |
't': ParseCommand('taunt ' + headcmd^.str[2], true); |
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|
346 |
'h': ParseCommand('hogsay ' + copy(headcmd^.str, 2, Pred(headcmd^.len)), true); |
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|
347 |
'1'..'5': ParseCommand('timer ' + headcmd^.cmd, true); |
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|
348 |
#128..char(128 + cMaxSlotIndex): ParseCommand('slot ' + char(byte(headcmd^.cmd) - 79), true) |
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|
349 |
else |
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|
350 |
OutError('Unexpected protocol command: ' + headcmd^.cmd, True) |
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|
351 |
end; |
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|
352 |
RemoveCmd |
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|
353 |
end; |
351 | 354 |
|
2574
2f3e5c57359c
Fix (quite rare) spectators queue error when joining game with teams left the game.
unc0rr
parents:
2407
diff
changeset
|
355 |
if (headcmd <> nil) and tmpflag and (not CurrentTeam^.hasGone) then |
2948
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|
356 |
TryDo(GameTicks < hiTicks shl 16 + headcmd^.loTime, |
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|
357 |
'oops, queue error. in buffer: ' + headcmd^.cmd + |
4374 | 358 |
' (' + IntToStr(GameTicks) + ' > ' + |
359 |
IntToStr(hiTicks shl 16 + headcmd^.loTime) + ')', |
|
2948
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|
360 |
true); |
4 | 361 |
|
2066 | 362 |
isInLag:= (headcmd = nil) and tmpflag and (not CurrentTeam^.hasGone); |
2043
1f2b91b5e7ef
Don't accept 'team gone' command right after 'next turn' cmd
unc0rr
parents:
2017
diff
changeset
|
363 |
|
1560
e140bc57ff68
Quick replay round to spectators until current move
unc0rr
parents:
1432
diff
changeset
|
364 |
if isInLag then fastUntilLag:= false |
4 | 365 |
end; |
366 |
||
4403 | 367 |
procedure chFatalError(var s: shortstring); |
368 |
begin |
|
369 |
SendIPC('E' + s); |
|
370 |
end; |
|
371 |
||
4414 | 372 |
procedure doPut(putX, putY: LongInt; fromAI: boolean); |
373 |
begin |
|
374 |
if CheckNoTeamOrHH or isPaused then exit; |
|
375 |
bShowFinger:= false; |
|
376 |
if not CurrentTeam^.ExtDriven and bShowAmmoMenu then |
|
377 |
begin |
|
378 |
bSelected:= true; |
|
379 |
exit |
|
380 |
end; |
|
381 |
||
382 |
with CurrentHedgehog^.Gear^, |
|
383 |
CurrentHedgehog^ do |
|
384 |
if (State and gstHHChooseTarget) <> 0 then |
|
385 |
begin |
|
386 |
isCursorVisible:= false; |
|
387 |
if not CurrentTeam^.ExtDriven then |
|
388 |
begin |
|
389 |
if fromAI then |
|
390 |
begin |
|
391 |
TargetPoint.X:= putX; |
|
392 |
TargetPoint.Y:= putY |
|
393 |
end else |
|
394 |
begin |
|
395 |
TargetPoint.X:= CursorPoint.X - WorldDx; |
|
396 |
TargetPoint.Y:= cScreenHeight - CursorPoint.Y - WorldDy; |
|
397 |
end; |
|
398 |
SendIPCXY('p', TargetPoint.X, TargetPoint.Y); |
|
399 |
end |
|
400 |
else |
|
401 |
begin |
|
402 |
TargetPoint.X:= putX; |
|
403 |
TargetPoint.Y:= putY |
|
404 |
end; |
|
4900 | 405 |
AddFileLog('put: ' + inttostr(TargetPoint.X) + ', ' + inttostr(TargetPoint.Y)); |
4414 | 406 |
State:= State and not gstHHChooseTarget; |
407 |
if (Ammoz[CurAmmoType].Ammo.Propz and ammoprop_AttackingPut) <> 0 then |
|
4522
0f590eefd531
Add an input mask for setting of gear messages. Intended for intercepting user messages. This is totally untested. I don't think it should desync but seriously needs a lot of testing. Esp the doPut behaviour.
nemo
parents:
4467
diff
changeset
|
408 |
Message:= Message or (gmAttack and InputMask); |
4414 | 409 |
end |
410 |
else |
|
411 |
if CurrentTeam^.ExtDriven then |
|
412 |
OutError('got /put while not being in choose target mode', false) |
|
413 |
end; |
|
414 |
||
3038 | 415 |
procedure initModule; |
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begin |
4403 | 417 |
RegisterVariable('fatal', vtCommand, @chFatalError, true ); |
418 |
||
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IPCSock:= nil; |
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420 |
|
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headcmd:= nil; |
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lastcmd:= nil; |
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isPonged:= false; // was const |
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424 |
|
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hiTicks:= 0; |
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SendEmptyPacketTicks:= 0; |
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427 |
end; |
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|
3038 | 429 |
procedure freeModule; |
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430 |
begin |
5592 | 431 |
while headcmd <> nil do RemoveCmd |
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432 |
end; |
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433 |
|
4 | 434 |
end. |