--- a/hedgewars/CCHandlers.inc	Mon Sep 18 18:07:41 2006 +0000
+++ b/hedgewars/CCHandlers.inc	Wed Sep 20 15:33:47 2006 +0000
@@ -324,11 +324,7 @@
            SDL_GetMouseState(@TargetPoint.X, @TargetPoint.Y);
            dec(TargetPoint.X, WorldDx);
            dec(TargetPoint.Y, WorldDy);
-           s[0]:= #5;
-           s[1]:= 'p';
-           PSmallInt(@s[2])^:= TargetPoint.X;
-           PSmallInt(@s[4])^:= TargetPoint.Y;
-           SendIPC(s)
+           SendIPCXY('p', TargetPoint.X, TargetPoint.Y);
            end;
         State:= State and not gstHHChooseTarget;
         end else if CurrentTeam.ExtDriven then OutError('got /put while not being in choose target mode', false)

--- a/hedgewars/SDLh.pas	Mon Sep 18 18:07:41 2006 +0000
+++ b/hedgewars/SDLh.pas	Wed Sep 20 15:33:47 2006 +0000
@@ -372,6 +372,10 @@
 function SDLNet_AddSocket(_set: PSDLNet_SocketSet; sock: PTCPSocket): LongInt; cdecl; external SDL_NetLibName;
 function SDLNet_CheckSockets(_set: PSDLNet_SocketSet; timeout: LongInt): LongInt; cdecl; external SDL_NetLibName;
 
+procedure SDLNet_Write16(value: SmallInt; buf: pointer); cdecl; external SDL_NetLibName;
+procedure SDLNet_Write32(value: LongInt; buf: pointer); cdecl; external SDL_NetLibName;
+function SDLNet_Read16(buf: pointer): SmallInt; cdecl; external SDL_NetLibName;
+function SDLNet_Read32(buf: pointer): LongInt; cdecl; external SDL_NetLibName;
 
 implementation
 

--- a/hedgewars/uIO.pas	Mon Sep 18 18:07:41 2006 +0000
+++ b/hedgewars/uIO.pas	Wed Sep 20 15:33:47 2006 +0000
@@ -39,6 +39,7 @@
 const ipcPort: Word = 0;
 
 procedure SendIPC(s: shortstring);
+procedure SendIPCXY(cmd: char; X, Y: SmallInt);
 procedure SendIPCAndWaitReply(s: shortstring);
 procedure IPCCheckSock;
 procedure InitIPC;
@@ -100,7 +101,7 @@
                else OutError(errmsgIncorrectUse + ' IPC "T" :' + s[2], true) end;
      else
      inc(cmdendpos);
-     extcmd[cmdendpos].Time := PLongWord(@s[byte(s[0]) - 3])^;
+     extcmd[cmdendpos].Time := SDLNet_Read32(@s[byte(s[0]) - 3]);
      extcmd[cmdendpos].str  := s;
      {$IFDEF DEBUGFILE}AddFileLog('IPC in: '+s[1]+' ticks '+inttostr(extcmd[cmdendpos].Time)+' at '+inttostr(cmdendpos));{$ENDIF}
      dec(extcmd[cmdendpos].len, 4)
@@ -137,13 +138,23 @@
 if IPCSock <> nil then
    begin
    if s[0]>#251 then s[0]:= #251;
-   PLongWord(@s[Succ(byte(s[0]))])^:= GameTicks;
+   SDLNet_Write32(GameTicks, @s[Succ(byte(s[0]))]);
    {$IFDEF DEBUGFILE}AddFileLog('IPC send: '+s);{$ENDIF}
    inc(s[0],4);
    SDLNet_TCP_Send(IPCSock, @s, Succ(byte(s[0])))
    end
 end;
 
+procedure SendIPCXY(cmd: char; X, Y: SmallInt);
+var s: shortstring;
+begin
+s[0]:= #5;
+s[1]:= cmd;
+SDLNet_Write16(X, @s[2]);
+SDLNet_Write16(Y, @s[4]);
+SendIPC(s)
+end;
+
 procedure SendIPCAndWaitReply(s: shortstring);
 begin
 SendIPC(s);
@@ -195,13 +206,13 @@
              {$IFDEF DEBUGFILE}AddFileLog('got cmd "N": time '+inttostr(extcmd[cmdcurpos].Time)){$ENDIF}
              end;
         'p': begin
-             TargetPoint.X:= extcmd[cmdcurpos].X;
-             TargetPoint.Y:= extcmd[cmdcurpos].Y;
+             TargetPoint.X:= SDLNet_Read16(@extcmd[cmdcurpos].X);
+             TargetPoint.Y:= SDLNet_Read16(@extcmd[cmdcurpos].Y);
              ParseCommand('put')
              end;
         'P': begin
-             CursorPoint.X:= extcmd[cmdcurpos].X + WorldDx;
-             CursorPoint.Y:= extcmd[cmdcurpos].Y + WorldDy;
+             CursorPoint.X:= SDLNet_Read16(@extcmd[cmdcurpos].X) + WorldDx;
+             CursorPoint.Y:= SDLNet_Read16(@extcmd[cmdcurpos].Y) + WorldDy;
              end;
         '1'..'5': ParseCommand('timer ' + extcmd[cmdcurpos].cmd);
         #128..char(128 + cMaxSlotIndex): ParseCommand('slot ' + char(byte(extcmd[cmdcurpos].cmd) - 79))

--- a/hedgewars/uWorld.pas	Mon Sep 18 18:07:41 2006 +0000
+++ b/hedgewars/uWorld.pas	Wed Sep 20 15:33:47 2006 +0000
@@ -346,7 +346,6 @@
 
 procedure MoveCamera;
 const PrevSentPointTime: LongWord = 0;
-var s: string[9];
 begin
 if not (CurrentTeam.ExtDriven and isCursorVisible) then SDL_GetMouseState(@CursorPoint.X, @CursorPoint.Y);
 if (FollowGear <> nil) then
@@ -366,11 +365,7 @@
    begin
    if (not CurrentTeam.ExtDriven)and(GameTicks >= PrevSentPointTime + cSendCursorPosTime) then
       begin
-      s[0]:= #5;
-      s[1]:= 'P';
-      PSmallInt(@s[2])^:= CursorPoint.X - WorldDx;
-      PSmallInt(@s[4])^:= CursorPoint.Y - WorldDy;
-      SendIPC(s);
+      SendIPCXY('P', CursorPoint.X - WorldDx, CursorPoint.Y - WorldDy);
       PrevSentPointTime:= GameTicks
       end;
    end;