- Fix some CMakeFiles.txt files (by TheXception)
- Optimize sprites with optipng
(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2005, 2007, 2009 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
*)
unit uSound;
interface
uses SDLh, uConsts;
{$INCLUDE options.inc}
type PVoicepack = ^TVoicepack;
TVoicepack = record
name: shortstring;
chunks: array [TSound] of PMixChunk;
end;
procedure InitSound;
procedure ReleaseSound;
procedure SoundLoad;
procedure PlaySound(snd: TSound; infinite: boolean; voicepack: PVoicepack);
procedure PlayMusic;
procedure PauseMusic;
procedure ResumeMusic;
procedure StopSound(snd: TSound);
function ChangeVolume(voldelta: LongInt): LongInt;
function AskForVoicepack(name: shortstring): Pointer;
var MusicFN: shortstring = '';
implementation
uses uMisc, uConsole;
const chanTPU = 12;
var Volume: LongInt;
lastChan: array [TSound] of LongInt;
voicepacks: array[0..cMaxTeams] of TVoicepack;
defVoicepack: PVoicepack;
Mus: PMixMusic = nil;
function AskForVoicepack(name: shortstring): Pointer;
var i: Longword;
begin
i:= 0;
while (voicepacks[i].name <> name) and (voicepacks[i].name <> '') do
begin
inc(i);
TryDo(i <= cMaxTeams, 'Engine bug: AskForVoicepack i > cMaxTeams', true)
end;
voicepacks[i].name:= name;
AskForVoicepack:= @voicepacks[i]
end;
procedure InitSound;
begin
if not isSoundEnabled then exit;
WriteToConsole('Init sound...');
isSoundEnabled:= SDL_Init(SDL_INIT_AUDIO) >= 0;
if isSoundEnabled then
isSoundEnabled:= Mix_OpenAudio(22050, $8010, 2, 512) = 0;
if isSoundEnabled then WriteLnToConsole(msgOK)
else WriteLnToConsole(msgFailed);
Mix_AllocateChannels(Succ(chanTPU));
if isMusicEnabled then Mix_VolumeMusic(50);
Volume:= 0;
ChangeVolume(cInitVolume)
end;
procedure ReleaseSound;
var i: TSound;
t: Longword;
begin
for t:= 0 to cMaxTeams do
if voicepacks[t].name <> '' then
for i:= Low(TSound) to High(TSound) do
if voicepacks[t].chunks[i] <> nil then
Mix_FreeChunk(voicepacks[t].chunks[i]);
Mix_FreeMusic(Mus);
Mix_CloseAudio
end;
procedure SoundLoad;
var i: TSound;
s: shortstring;
t: Longword;
begin
if not isSoundEnabled then exit;
defVoicepack:= AskForVoicepack('Default');
for i:= Low(TSound) to High(TSound) do
if Soundz[i].Path <> ptVoices then
begin
s:= Pathz[Soundz[i].Path] + '/' + Soundz[i].FileName;
WriteToConsole(msgLoading + s + ' ');
defVoicepack^.chunks[i]:= Mix_LoadWAV_RW(SDL_RWFromFile(Str2PChar(s), 'rb'), 1);
TryDo(defVoicepack^.chunks[i] <> nil, msgFailed, true);
WriteLnToConsole(msgOK);
end;
for t:= 0 to cMaxTeams do
if voicepacks[t].name <> '' then
for i:= Low(TSound) to High(TSound) do
if Soundz[i].Path = ptVoices then
begin
s:= Pathz[Soundz[i].Path] + '/' + voicepacks[t].name + '/' + Soundz[i].FileName;
WriteToConsole(msgLoading + s + ' ');
voicepacks[t].chunks[i]:= Mix_LoadWAV_RW(SDL_RWFromFile(Str2PChar(s), 'rb'), 1);
if voicepacks[t].chunks[i] = nil then
WriteLnToConsole(msgFailed)
else
WriteLnToConsole(msgOK)
end;
end;
procedure PlaySound(snd: TSound; infinite: boolean; voicepack: PVoicepack);
var loops: LongInt;
begin
if (not isSoundEnabled) or fastUntilLag then exit;
if infinite then loops:= -1 else loops:= 0;
if (voicepack <> nil) and (voicepack^.chunks[snd] <> nil) then
lastChan[snd]:= Mix_PlayChannelTimed(-1, voicepack^.chunks[snd], loops, -1)
else
lastChan[snd]:= Mix_PlayChannelTimed(-1, defVoicepack^.chunks[snd], loops, -1)
end;
procedure StopSound(snd: TSound);
begin
if not isSoundEnabled then exit;
if Mix_Playing(lastChan[snd]) <> 0 then
Mix_HaltChannel(lastChan[snd])
end;
procedure PlayMusic;
var s: string;
begin
if (not isSoundEnabled)
or (MusicFN = '')
or (not isMusicEnabled) then exit;
s:= PathPrefix + '/Music/' + MusicFN;
WriteToConsole(msgLoading + s + ' ');
Mus:= Mix_LoadMUS(Str2PChar(s));
TryDo(Mus <> nil, msgFailed, false);
WriteLnToConsole(msgOK);
SDLTry(Mix_FadeInMusic(Mus, -1, 3000) <> -1, false)
end;
function ChangeVolume(voldelta: LongInt): LongInt;
begin
if not isSoundEnabled then
exit(0);
inc(Volume, voldelta);
if Volume < 0 then Volume:= 0;
Mix_Volume(-1, Volume);
Volume:= Mix_Volume(-1, -1);
if isMusicEnabled then Mix_VolumeMusic(Volume * 4 div 8);
ChangeVolume:= Volume * 100 div MIX_MAX_VOLUME
end;
procedure PauseMusic;
begin
if (MusicFN = '') or (not isMusicEnabled) then exit;
Mix_PauseMusic(Mus);
end;
procedure ResumeMusic;
begin
if (MusicFN = '') or (not isMusicEnabled) then exit;
Mix_ResumeMusic(Mus);
end;
end.