1 (*

     2  * Hedgewars, a worms-like game

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

     4  *

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

     6  *

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

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

     9  * with the Software without restriction, including without limitation the

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

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

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

    13  *

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

    15  *    this list of conditions and the following disclaimer.

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

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

    18  *    and/or other materials provided with the distribution.

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

    20  *    derived from this software without specific prior written permission.

    21  *

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

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

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

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

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

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

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

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

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

    31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    32  *)

    33 

    34 unit uSound;

    35 interface

    36 uses SDLh, uConsts;

    37 {$INCLUDE options.inc}

    38 

    39 procedure InitSound;

    40 procedure ReleaseSound;

    41 procedure SoundLoad;

    42 procedure PlaySound(snd: TSound);

    43 procedure PlayMusic;

    44 procedure StopSound(snd: TSound);

    45 

    46 implementation

    47 uses uMisc, uConsole;

    48 var Mus: PMixMusic;

    49 

    50 procedure InitSound;

    51 begin

    52 if not isSoundEnabled then exit;

    53 WriteToConsole('Init sound...');

    54 isSoundEnabled:= Mix_OpenAudio(22050, $8010, 2, 512) = 0;

    55 if isSoundEnabled then WriteLnToConsole(msgOK)

    56                   else WriteLnToConsole(msgFailed);

    57 Mix_VolumeMusic(48)

    58 end;

    59 

    60 procedure ReleaseSound;

    61 var i: TSound;

    62 begin

    63 for i:= Low(TSound) to High(TSound) do

    64     Mix_FreeChunk(Soundz[i].id);

    65 Mix_FreeMusic(Mus);

    66 Mix_CloseAudio

    67 end;

    68 

    69 procedure SoundLoad;

    70 var i: TSound;

    71     s: string;

    72 begin

    73 if not isSoundEnabled then exit;

    74 for i:= Low(TSound) to High(TSound) do

    75     begin

    76     s:= Pathz[ptSounds] + Soundz[i].FileName;

    77     WriteToConsole(msgLoading + s + ' ');

    78     Soundz[i].id:= Mix_LoadWAV_RW(SDL_RWFromFile(PChar(s), 'rb'), 1);

    79     TryDo(Soundz[i].id <> nil, msgFailed, true);

    80     WriteLnToConsole(msgOK);

    81     end;

    82 

    83 s:= 'Data/Music/kahvi140a_alexander_chereshnev-illusion.ogg';

    84 WriteToConsole(msgLoading + s + ' ');

    85 Mus:= Mix_LoadMUS(PChar(s));

    86 TryDo(Mus <> nil, msgFailed, false);

    87 WriteLnToConsole(msgOK)

    88 end;

    89 

    90 procedure PlaySound(snd: TSound);

    91 begin

    92 if not isSoundEnabled then exit;

    93 if Mix_Playing(ord(snd)) = 0 then

    94    Mix_PlayChannelTimed(ord(snd), Soundz[snd].id, 0, -1)

    95 end;

    96 

    97 procedure StopSound(snd: TSound);

    98 begin

    99 if not isSoundEnabled then exit;

   100 if Mix_Playing(ord(snd)) <> 0 then

   101    Mix_HaltChannel(ord(snd))

   102 end;

   103 

   104 procedure PlayMusic;

   105 begin

   106 if not isSoundEnabled then exit;

   107 if Mix_PlayingMusic = 0 then

   108    Mix_PlayMusic(Mus, -1)

   109 end;

   110 

   111 end.