(*

 * Hedgewars, a worms-like game

 * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * Distributed under the terms of the BSD-modified licence:

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * with the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *)

unit uKeys;

interface

{$INCLUDE options.inc}

function KeyNameToCode(name: string): word;

procedure ProcessKbd;

procedure ResetKbd;

procedure InitKbdKeyTable;

var KbdKeyPressed: boolean;

implementation

const KeyNumber = 1024;

type TKeyboardState = array[0..cKeyMaxIndex] of Byte;

var tkbd: TKeyboardState;

    KeyNames: array [0..cKeyMaxIndex] of string[15];

function KeyNameToCode(name: string): word;

begin

Result:= cKeyMaxIndex;

while (Result > 0) and (KeyNames[Result] <> name) do dec(Result)

end;

procedure ProcessKbd;

var  i: integer;

     s: shortstring;

     pkbd: PByteArray;

begin

pkbd:= SDL_GetKeyState(nil);

i:= SDL_GetMouseState(nil, nil);

pkbd^[1]:= (i and 1);

pkbd^[2]:= ((i shr 1) and 1);

pkbd^[3]:= ((i shr 2) and 1);

for i:= 1 to cKeyMaxIndex do

      begin

      if (i > 3) and (pkbd^[i] <> 0) then KbdKeyPressed:= true;

          begin

          if (pkbd^[i] =  0)and(tkbd[i] <> 0) then

             begin

             s[1]:= '-';

             ParseCommand(s)

             end;

          end else

       tkbd[i]:= pkbd^[i]

       end

end;

procedure ResetKbd;

var i, t: integer;

    pkbd: PByteArray;

begin

pkbd:= PByteArray(SDL_GetKeyState(@i));

TryDo(i < cKeyMaxIndex, 'SDL keys number is more than expected (' + inttostr(i) + ')', true);

for t:= 0 to Pred(i) do

    tkbd[i]:= pkbd^[i]

end;

procedure InitKbdKeyTable;

var i, t: integer;

    s: string[15];

begin

KeyNames[1]:= 'mousel';

KeyNames[2]:= 'mousem';

KeyNames[3]:= 'mouser';

for i:= 4 to cKeyMaxIndex do

    begin

    s:= SDL_GetKeyName(i);

    if s = 'unknown key' then KeyNames[i]:= ''

       else begin

       for t:= 1 to Length(s) do

           if s[t] = ' ' then s[t]:= '_';

       KeyNames[i]:= s

       end;

end;

initialization

end.