(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

{$INCLUDE "options.inc"}

unit uConsole;

interface

procedure initModule;

procedure freeModule;

procedure WriteToConsole(s: shortstring);

procedure WriteLnToConsole(s: shortstring);

function  GetLastConsoleLine: shortstring;

function  ShortStringAsPChar(s: shortstring): PChar;

implementation

uses Types, uVariables, uUtils {$IFDEF ANDROID}, log in 'log.pas'{$ENDIF};

const cLinesCount = 8;

var   cLineWidth: LongInt;

type

    TTextLine = record

        s: shortstring

        end;

var   ConsoleLines: array[byte] of TTextLine;

      CurrLine: LongInt;

procedure SetLine(var tl: TTextLine; str: shortstring);

begin

with tl do

    s:= str;

end;

procedure WriteToConsole(s: shortstring);

var Len: LongInt;

    done: boolean;

begin

{$IFNDEF NOCONSOLE}

AddFileLog('[Con] ' + s);

{$IFDEF ANDROID}

    Log.__android_log_write(Log.Android_LOG_DEBUG, 'HW_Engine', ShortStringAsPChar('[Con]' + s));

{$ELSE}

Write(stderr, s);

done:= false;

while not done do

    begin

    Len:= cLineWidth - Length(ConsoleLines[CurrLine].s);

    SetLine(ConsoleLines[CurrLine], ConsoleLines[CurrLine].s + copy(s, 1, Len));

    Delete(s, 1, Len);

    if byte(ConsoleLines[CurrLine].s[0]) = cLineWidth then

        begin

        inc(CurrLine);

        if CurrLine = cLinesCount then

            CurrLine:= 0;

        PByte(@ConsoleLines[CurrLine].s)^:= 0

        end;

    done:= (Length(s) = 0);

    end;

{$ENDIF}

{$ENDIF}

end;

procedure WriteLnToConsole(s: shortstring);

begin

{$IFNDEF NOCONSOLE}

WriteToConsole(s);

{$IFNDEF ANDROID}

WriteLn(stderr);

inc(CurrLine);

if CurrLine = cLinesCount then

    CurrLine:= 0;

PByte(@ConsoleLines[CurrLine].s)^:= 0

{$ENDIF}

{$ENDIF}

end;

function ShortStringAsPChar(s: shortstring) : PChar;

begin

    if Length(s) = High(s) then

        Dec(s[0]);

    s[Ord(Length(s))+1] := #0;

    ShortStringAsPChar:= @s[1];

end;

function GetLastConsoleLine: shortstring;

var valueStr: shortstring;

    i: LongWord;

begin

i:= (CurrLine + cLinesCount - 2) mod cLinesCount;

valueStr:= ConsoleLines[i].s;

valueStr:= valueStr + #10;

i:= (CurrLine + cLinesCount - 1) mod cLinesCount;

valueStr:= valueStr + ConsoleLines[i].s;

GetLastConsoleLine:= valueStr;

end;

procedure initModule;

var i: LongInt;

begin

    CurrLine:= 0;

    // initConsole

    cLineWidth:= cScreenWidth div 10;

    if cLineWidth > 255 then

        cLineWidth:= 255;

    for i:= 0 to Pred(cLinesCount) do

        PByte(@ConsoleLines[i])^:= 0;

end;

procedure freeModule;

begin

end;

end.