Fix QSettings problems:
- Reopen file in ReadOnly mode if it was open in ReadWrite mode
and is being read. This is needed for stupid QSettings which
opens file in ReadWrite mode just to call readAll() on it.
- Implement setSize(0)
(*
* 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 uSound;
(*
* This unit controls the sounds and music of the game.
* Doesn't really do anything if isSoundEnabled = false.
*
* There are three basic types of sound controls:
* Music - The background music of the game:
* * will only be played if isMusicEnabled = true
* * can be started, changed, paused and resumed
* Sound - Can be started and stopped
* Looped Sound - Subtype of sound: plays in a loop using a
* "channel", of which the id is returned on start.
* The channel id can be used to stop a specific sound loop.
*)
interface
uses SDLh, uConsts, uTypes, SysUtils;
procedure preInitModule;
procedure initModule;
procedure freeModule;
procedure InitSound; // Initiates sound-system if isSoundEnabled.
procedure ReleaseSound(complete: boolean); // Releases sound-system and used resources.
procedure ResetSound; // Reset sound state to the previous state.
procedure SetSound(enabled: boolean); // Enable/disable sound-system and backup status.
// MUSIC
// Obvious music commands for music track
procedure SetMusic(enabled: boolean); // Enable/disable music.
procedure SetMusicName(musicname: shortstring); // Set name of the file to play.
procedure PlayMusic; // Play music from the start.
procedure PauseMusic; // Pause music.
procedure ResumeMusic; // Resume music from pause point.
procedure ChangeMusic(musicname: shortstring); // Replaces music track with musicname and plays it.
procedure StopMusic; // Stops and releases the current track.
// SOUNDS
// Plays the sound snd [from a given voicepack],
// if keepPlaying is given and true,
// then the sound's playback won't be interrupted if asked to play again.
procedure PlaySound(snd: TSound);
procedure PlaySound(snd: TSound; keepPlaying: boolean);
procedure PlaySoundV(snd: TSound; voicepack: PVoicepack);
procedure PlaySoundV(snd: TSound; voicepack: PVoicepack; keepPlaying: boolean);
// Plays sound snd [of voicepack] in a loop, but starts with fadems milliseconds of fade-in.
// Returns sound channel of the looped sound.
function LoopSound(snd: TSound): LongInt;
function LoopSound(snd: TSound; fadems: LongInt): LongInt;
function LoopSoundV(snd: TSound; voicepack: PVoicepack): LongInt; // WTF?
function LoopSoundV(snd: TSound; voicepack: PVoicepack; fadems: LongInt): LongInt;
// Stops the normal/looped sound of the given type/in the given channel
// [with a fade-out effect for fadems milliseconds].
procedure StopSound(snd: TSound);
procedure StopSoundChan(chn: LongInt);
procedure StopSoundChan(chn, fadems: LongInt);
procedure AddVoice(snd: TSound; voicepack: PVoicepack);
procedure PlayNextVoice;
// GLOBAL FUNCTIONS
// Drastically lower the volume when we lose focus (and restore the previous value).
procedure DampenAudio;
procedure UndampenAudio;
// Mute/Unmute audio
procedure MuteAudio;
// MISC
// Set the initial volume
procedure SetVolume(vol: LongInt);
// Modifies the sound volume of the game by voldelta and returns the new volume level.
function ChangeVolume(voldelta: LongInt): LongInt;
// Returns a pointer to the voicepack with the given name.
function AskForVoicepack(name: shortstring): Pointer;
implementation
uses uVariables, uConsole, uUtils, uCommands, uDebug, uPhysFSLayer;
const chanTPU = 32;
var Volume: LongInt;
cInitVolume: LongInt;
previousVolume: LongInt; // cached volume value
lastChan: array [TSound] of LongInt;
voicepacks: array[0..cMaxTeams] of TVoicepack;
defVoicepack: PVoicepack;
Mus: PMixMusic; // music pointer
MusicFN: shortstring; // music file name
isMusicEnabled: boolean;
isSoundEnabled: boolean;
isSEBackup: boolean;
VoiceList : array[0..7] of TVoice = (
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil),
( snd: sndNone; voicepack: nil));
Soundz: array[TSound] of record
FileName: string[31];
Path : TPathType;
end = (
(FileName: ''; Path: ptNone ),// sndNone
(FileName: 'grenadeimpact.ogg'; Path: ptSounds),// sndGrenadeImpact
(FileName: 'explosion.ogg'; Path: ptSounds),// sndExplosion
(FileName: 'throwpowerup.ogg'; Path: ptSounds),// sndThrowPowerUp
(FileName: 'throwrelease.ogg'; Path: ptSounds),// sndThrowRelease
(FileName: 'splash.ogg'; Path: ptSounds),// sndSplash
(FileName: 'shotgunreload.ogg'; Path: ptSounds),// sndShotgunReload
(FileName: 'shotgunfire.ogg'; Path: ptSounds),// sndShotgunFire
(FileName: 'graveimpact.ogg'; Path: ptSounds),// sndGraveImpact
(FileName: 'mineimpact.ogg'; Path: ptSounds),// sndMineImpact
(FileName: 'minetick.ogg'; Path: ptSounds),// sndMineTicks
(FileName: 'Droplet1.ogg'; Path: ptSounds),// sndMudballImpact
(FileName: 'pickhammer.ogg'; Path: ptSounds),// sndPickhammer
(FileName: 'gun.ogg'; Path: ptSounds),// sndGun
(FileName: 'bee.ogg'; Path: ptSounds),// sndBee
(FileName: 'Jump1.ogg'; Path: ptVoices),// sndJump1
(FileName: 'Jump2.ogg'; Path: ptVoices),// sndJump2
(FileName: 'Jump3.ogg'; Path: ptVoices),// sndJump3
(FileName: 'Yessir.ogg'; Path: ptVoices),// sndYesSir
(FileName: 'Laugh.ogg'; Path: ptVoices),// sndLaugh
(FileName: 'Illgetyou.ogg'; Path: ptVoices),// sndIllGetYou
(FileName: 'JustYouWait.ogg'; Path: ptVoices),// sndJustYouWait
(FileName: 'Incoming.ogg'; Path: ptVoices),// sndIncoming
(FileName: 'Missed.ogg'; Path: ptVoices),// sndMissed
(FileName: 'Stupid.ogg'; Path: ptVoices),// sndStupid
(FileName: 'Firstblood.ogg'; Path: ptVoices),// sndFirstBlood
(FileName: 'Boring.ogg'; Path: ptVoices),// sndBoring
(FileName: 'Byebye.ogg'; Path: ptVoices),// sndByeBye
(FileName: 'Sameteam.ogg'; Path: ptVoices),// sndSameTeam
(FileName: 'Nutter.ogg'; Path: ptVoices),// sndNutter
(FileName: 'Reinforcements.ogg'; Path: ptVoices),// sndReinforce
(FileName: 'Traitor.ogg'; Path: ptVoices),// sndTraitor
(FileName: 'Youllregretthat.ogg'; Path: ptVoices),// sndRegret
(FileName: 'Enemydown.ogg'; Path: ptVoices),// sndEnemyDown
(FileName: 'Coward.ogg'; Path: ptVoices),// sndCoward
(FileName: 'Hurry.ogg'; Path: ptVoices),// sndHurry
(FileName: 'Watchit.ogg'; Path: ptVoices),// sndWatchIt
(FileName: 'Kamikaze.ogg'; Path: ptVoices),// sndKamikaze
(FileName: 'cake2.ogg'; Path: ptSounds),// sndCake
(FileName: 'Ow1.ogg'; Path: ptVoices),// sndOw1
(FileName: 'Ow2.ogg'; Path: ptVoices),// sndOw2
(FileName: 'Ow3.ogg'; Path: ptVoices),// sndOw3
(FileName: 'Ow4.ogg'; Path: ptVoices),// sndOw4
(FileName: 'Firepunch1.ogg'; Path: ptVoices),// sndFirepunch1
(FileName: 'Firepunch2.ogg'; Path: ptVoices),// sndFirepunch2
(FileName: 'Firepunch3.ogg'; Path: ptVoices),// sndFirepunch3
(FileName: 'Firepunch4.ogg'; Path: ptVoices),// sndFirepunch4
(FileName: 'Firepunch5.ogg'; Path: ptVoices),// sndFirepunch5
(FileName: 'Firepunch6.ogg'; Path: ptVoices),// sndFirepunch6
(FileName: 'Melon.ogg'; Path: ptVoices),// sndMelon
(FileName: 'Hellish.ogg'; Path: ptSounds),// sndHellish
(FileName: 'Yoohoo.ogg'; Path: ptSounds),// sndYoohoo
(FileName: 'rcplane.ogg'; Path: ptSounds),// sndRCPlane
(FileName: 'whipcrack.ogg'; Path: ptSounds),// sndWhipCrack
(FileName:'ride_of_the_valkyries.ogg'; Path: ptSounds),// sndRideOfTheValkyries
(FileName: 'denied.ogg'; Path: ptSounds),// sndDenied
(FileName: 'placed.ogg'; Path: ptSounds),// sndPlaced
(FileName: 'baseballbat.ogg'; Path: ptSounds),// sndBaseballBat
(FileName: 'steam.ogg'; Path: ptSounds),// sndVaporize
(FileName: 'warp.ogg'; Path: ptSounds),// sndWarp
(FileName: 'suddendeath.ogg'; Path: ptSounds),// sndSuddenDeath
(FileName: 'mortar.ogg'; Path: ptSounds),// sndMortar
(FileName: 'shutterclick.ogg'; Path: ptSounds),// sndShutter
(FileName: 'homerun.ogg'; Path: ptSounds),// sndHomerun
(FileName: 'molotov.ogg'; Path: ptSounds),// sndMolotov
(FileName: 'Takecover.ogg'; Path: ptVoices),// sndCover
(FileName: 'Uh-oh.ogg'; Path: ptVoices),// sndUhOh
(FileName: 'Oops.ogg'; Path: ptVoices),// sndOops
(FileName: 'Nooo.ogg'; Path: ptVoices),// sndNooo
(FileName: 'Hello.ogg'; Path: ptVoices),// sndHello
(FileName: 'ropeshot.ogg'; Path: ptSounds),// sndRopeShot
(FileName: 'ropeattach.ogg'; Path: ptSounds),// sndRopeAttach
(FileName: 'roperelease.ogg'; Path: ptSounds),// sndRopeRelease
(FileName: 'switchhog.ogg'; Path: ptSounds),// sndSwitchHog
(FileName: 'Victory.ogg'; Path: ptVoices),// sndVictory
(FileName: 'Flawless.ogg'; Path: ptVoices),// sndFlawless
(FileName: 'sniperreload.ogg'; Path: ptSounds),// sndSniperReload
(FileName: 'steps.ogg'; Path: ptSounds),// sndSteps
(FileName: 'lowgravity.ogg'; Path: ptSounds),// sndLowGravity
(FileName: 'hell_growl.ogg'; Path: ptSounds),// sndHellishImpact1
(FileName: 'hell_ooff.ogg'; Path: ptSounds),// sndHellishImpact2
(FileName: 'hell_ow.ogg'; Path: ptSounds),// sndHellishImpact3
(FileName: 'hell_ugh.ogg'; Path: ptSounds),// sndHellishImpact4
(FileName: 'melonimpact.ogg'; Path: ptSounds),// sndMelonImpact
(FileName: 'Droplet1.ogg'; Path: ptSounds),// sndDroplet1
(FileName: 'Droplet2.ogg'; Path: ptSounds),// sndDroplet2
(FileName: 'Droplet3.ogg'; Path: ptSounds),// sndDroplet3
(FileName: 'egg.ogg'; Path: ptSounds),// sndEggBreak
(FileName: 'drillgun.ogg'; Path: ptSounds),// sndDrillRocket
(FileName: 'PoisonCough.ogg'; Path: ptVoices),// sndPoisonCough
(FileName: 'PoisonMoan.ogg'; Path: ptVoices),// sndPoisonMoan
(FileName: 'BirdyLay.ogg'; Path: ptSounds),// sndBirdyLay
(FileName: 'Whistle.ogg'; Path: ptSounds),// sndWhistle
(FileName: 'beewater.ogg'; Path: ptSounds),// sndBeeWater
(FileName: '1C.ogg'; Path: ptSounds),// sndPiano0
(FileName: '2D.ogg'; Path: ptSounds),// sndPiano1
(FileName: '3E.ogg'; Path: ptSounds),// sndPiano2
(FileName: '4F.ogg'; Path: ptSounds),// sndPiano3
(FileName: '5G.ogg'; Path: ptSounds),// sndPiano4
(FileName: '6A.ogg'; Path: ptSounds),// sndPiano5
(FileName: '7B.ogg'; Path: ptSounds),// sndPiano6
(FileName: '8C.ogg'; Path: ptSounds),// sndPiano7
(FileName: '9D.ogg'; Path: ptSounds),// sndPiano8
(FileName: 'skip.ogg'; Path: ptSounds),// sndSkip
(FileName: 'sinegun.ogg'; Path: ptSounds),// sndSineGun
(FileName: 'Ooff1.ogg'; Path: ptVoices),// sndOoff1
(FileName: 'Ooff2.ogg'; Path: ptVoices),// sndOoff2
(FileName: 'Ooff3.ogg'; Path: ptVoices),// sndOoff3
(FileName: 'hammer.ogg'; Path: ptSounds),// sndWhack
(FileName: 'Comeonthen.ogg'; Path: ptVoices),// sndComeonthen
(FileName: 'parachute.ogg'; Path: ptSounds),// sndParachute
(FileName: 'bump.ogg'; Path: ptSounds),// sndBump
(FileName: 'hogchant3.ogg'; Path: ptSounds),// sndResurrector
(FileName: 'plane.ogg'; Path: ptSounds),// sndPlane
(FileName: 'TARDIS.ogg'; Path: ptSounds) // sndTardis
);
function AskForVoicepack(name: shortstring): Pointer;
var i: Longword;
locName, path: shortstring;
begin
i:= 0;
// First, attempt to locate a localised version of the voice
if cLocale <> 'en' then
begin
locName:= name+'_'+cLocale;
path:= cPathz[ptVoices] + '/' + locName;
if DirectoryExists(path) then
name:= locName
else
if Length(cLocale) > 3 then
begin
locName:= name+'_'+Copy(cLocale,1,2);
path:= cPathz[ptVoices] + '/' + locName;
if DirectoryExists(path) then
name:= locName
end
end;
// If that fails, use the unmodified one
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;
const channels: LongInt = {$IFDEF MOBILE}1{$ELSE}2{$ENDIF};
begin
if not isSoundEnabled then
exit;
WriteToConsole('Init sound...');
isSoundEnabled:= SDL_InitSubSystem(SDL_INIT_AUDIO) >= 0;
if isSoundEnabled then
isSoundEnabled:= Mix_OpenAudio(44100, $8010, channels, 1024) = 0;
if isSoundEnabled then
WriteLnToConsole(msgOK)
else
WriteLnToConsole(msgFailed);
WriteToConsole('Init SDL_mixer... ');
SDLTry(Mix_Init(MIX_INIT_OGG) <> 0, true);
WriteLnToConsole(msgOK);
Mix_AllocateChannels(Succ(chanTPU));
ChangeVolume(cInitVolume);
end;
procedure ResetSound;
begin
isSoundEnabled:= isSEBackup;
end;
procedure SetSound(enabled: boolean);
begin
isSEBackup:= isSoundEnabled;
isSoundEnabled:= enabled;
end;
// when complete is false, this procedure just releases some of the chucks on inactive channels
// in this way music is not stopped, nor are chucks currently being played
procedure ReleaseSound(complete: boolean);
var i: TSound;
t: Longword;
begin
// release and nil all sounds
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
if complete or (Mix_Playing(lastChan[i]) = 0) then
begin
Mix_HaltChannel(lastChan[i]);
lastChan[i]:= -1;
Mix_FreeChunk(voicepacks[t].chunks[i]);
voicepacks[t].chunks[i]:= nil;
end;
// stop music
if complete then
begin
if Mus <> nil then
begin
Mix_HaltMusic();
Mix_FreeMusic(Mus);
Mus:= nil;
end;
// make sure all instances of sdl_mixer are unloaded before continuing
while Mix_Init(0) <> 0 do
Mix_Quit();
Mix_CloseAudio();
end;
end;
procedure PlaySound(snd: TSound);
begin
PlaySoundV(snd, nil, false);
end;
procedure PlaySound(snd: TSound; keepPlaying: boolean);
begin
PlaySoundV(snd, nil, keepPlaying);
end;
procedure PlaySoundV(snd: TSound; voicepack: PVoicepack);
begin
PlaySoundV(snd, voicepack, false);
end;
procedure PlaySoundV(snd: TSound; voicepack: PVoicepack; keepPlaying: boolean);
var s:shortstring;
begin
if (not isSoundEnabled) or fastUntilLag then
exit;
if keepPlaying and (lastChan[snd] <> -1) and (Mix_Playing(lastChan[snd]) <> 0) then
exit;
if (voicepack <> nil) then
begin
if (voicepack^.chunks[snd] = nil) and (Soundz[snd].Path = ptVoices) and (Soundz[snd].FileName <> '') then
begin
s:= cPathz[Soundz[snd].Path] + '/' + voicepack^.name + '/' + Soundz[snd].FileName;
if (not FileExists(s)) and (snd in [sndFirePunch2, sndFirePunch3, sndFirePunch4, sndFirePunch5, sndFirePunch6]) then
s:= cPathz[Soundz[sndFirePunch1].Path] + '/' + voicepack^.name + '/' + Soundz[snd].FileName;
WriteToConsole(msgLoading + s + ' ');
voicepack^.chunks[snd]:= Mix_LoadWAV_RW(rwopsOpenRead(s), 1);
if voicepack^.chunks[snd] = nil then
WriteLnToConsole(msgFailed)
else
WriteLnToConsole(msgOK)
end;
lastChan[snd]:= Mix_PlayChannelTimed(-1, voicepack^.chunks[snd], 0, -1)
end
else
begin
if (defVoicepack^.chunks[snd] = nil) and (Soundz[snd].Path <> ptVoices) and (Soundz[snd].FileName <> '') then
begin
s:= cPathz[Soundz[snd].Path] + '/' + Soundz[snd].FileName;
WriteToConsole(msgLoading + s + ' ');
defVoicepack^.chunks[snd]:= Mix_LoadWAV_RW(rwopsOpenRead(s), 1);
SDLTry(defVoicepack^.chunks[snd] <> nil, true);
WriteLnToConsole(msgOK);
end;
lastChan[snd]:= Mix_PlayChannelTimed(-1, defVoicepack^.chunks[snd], 0, -1)
end;
end;
procedure AddVoice(snd: TSound; voicepack: PVoicepack);
var i : LongInt;
begin
if (not isSoundEnabled) or fastUntilLag or ((LastVoice.snd = snd) and (LastVoice.voicepack = voicepack)) then
exit;
if (snd = sndVictory) or (snd = sndFlawless) then
begin
Mix_FadeOutChannel(-1, 800);
for i:= 0 to High(VoiceList) do
VoiceList[i].snd:= sndNone;
LastVoice.snd:= sndNone;
end;
i:= 0;
while (i<8) and (VoiceList[i].snd <> sndNone) do
inc(i);
// skip playing same sound for same hog twice
if (i>0) and (VoiceList[i-1].snd = snd) and (VoiceList[i-1].voicepack = voicepack) then
exit;
VoiceList[i].snd:= snd;
VoiceList[i].voicepack:= voicepack;
end;
procedure PlayNextVoice;
var i : LongInt;
begin
if (not isSoundEnabled) or fastUntilLag or ((LastVoice.snd <> sndNone) and (lastChan[LastVoice.snd] <> -1) and (Mix_Playing(lastChan[LastVoice.snd]) <> 0)) then
exit;
i:= 0;
while (i<High(VoiceList)) and (VoiceList[i].snd = sndNone) do
inc(i);
if (VoiceList[i].snd <> sndNone) then
begin
LastVoice.snd:= VoiceList[i].snd;
LastVoice.voicepack:= VoiceList[i].voicepack;
VoiceList[i].snd:= sndNone;
PlaySoundV(LastVoice.snd, LastVoice.voicepack)
end
else LastVoice.snd:= sndNone;
end;
function LoopSound(snd: TSound): LongInt;
begin
LoopSound:= LoopSoundV(snd, nil)
end;
function LoopSound(snd: TSound; fadems: LongInt): LongInt;
begin
LoopSound:= LoopSoundV(snd, nil, fadems)
end;
function LoopSoundV(snd: TSound; voicepack: PVoicepack): LongInt;
begin
voicepack:= voicepack; // avoid compiler hint
LoopSoundV:= LoopSoundV(snd, nil, 0)
end;
function LoopSoundV(snd: TSound; voicepack: PVoicepack; fadems: LongInt): LongInt;
var s: shortstring;
begin
if (not isSoundEnabled) or fastUntilLag then
begin
LoopSoundV:= -1;
exit
end;
if (voicepack <> nil) then
begin
if (voicepack^.chunks[snd] = nil) and (Soundz[snd].Path = ptVoices) and (Soundz[snd].FileName <> '') then
begin
s:= cPathz[Soundz[snd].Path] + '/' + voicepack^.name + '/' + Soundz[snd].FileName;
WriteToConsole(msgLoading + s + ' ');
voicepack^.chunks[snd]:= Mix_LoadWAV_RW(rwopsOpenRead(s), 1);
if voicepack^.chunks[snd] = nil then
WriteLnToConsole(msgFailed)
else
WriteLnToConsole(msgOK)
end;
LoopSoundV:= Mix_PlayChannelTimed(-1, voicepack^.chunks[snd], -1, -1)
end
else
begin
if (defVoicepack^.chunks[snd] = nil) and (Soundz[snd].Path <> ptVoices) and (Soundz[snd].FileName <> '') then
begin
s:= cPathz[Soundz[snd].Path] + '/' + Soundz[snd].FileName;
WriteToConsole(msgLoading + s + ' ');
defVoicepack^.chunks[snd]:= Mix_LoadWAV_RW(rwopsOpenRead(s), 1);
SDLTry(defVoicepack^.chunks[snd] <> nil, true);
WriteLnToConsole(msgOK);
end;
if fadems > 0 then
LoopSoundV:= Mix_FadeInChannelTimed(-1, defVoicepack^.chunks[snd], -1, fadems, -1)
else
LoopSoundV:= Mix_PlayChannelTimed(-1, defVoicepack^.chunks[snd], -1, -1);
end;
end;
procedure StopSound(snd: TSound);
begin
if not isSoundEnabled then
exit;
if (lastChan[snd] <> -1) and (Mix_Playing(lastChan[snd]) <> 0) then
begin
Mix_HaltChannel(lastChan[snd]);
lastChan[snd]:= -1;
end;
end;
procedure StopSoundChan(chn: LongInt);
begin
if not isSoundEnabled then
exit;
if (chn <> -1) and (Mix_Playing(chn) <> 0) then
Mix_HaltChannel(chn);
end;
procedure StopSoundChan(chn, fadems: LongInt);
begin
if not isSoundEnabled then
exit;
if (chn <> -1) and (Mix_Playing(chn) <> 0) then
Mix_FadeOutChannel(chn, fadems);
end;
procedure PlayMusic;
var s: shortstring;
begin
if (not isSoundEnabled) or (MusicFN = '') or (not isMusicEnabled) then
exit;
s:= '/Music/' + MusicFN;
WriteToConsole(msgLoading + s + ' ');
Mus:= Mix_LoadMUS_RW(rwopsOpenRead(s));
SDLTry(Mus <> nil, false);
WriteLnToConsole(msgOK);
SDLTry(Mix_FadeInMusic(Mus, -1, 3000) <> -1, false)
end;
procedure SetVolume(vol: LongInt);
begin
cInitVolume:= vol;
end;
function ChangeVolume(voldelta: LongInt): LongInt;
begin
ChangeVolume:= 0;
if (not isSoundEnabled) or ((voldelta = 0) and (not (cInitVolume = 0))) then
exit;
inc(Volume, voldelta);
if Volume < 0 then
Volume:= 0;
// apply Volume to all channels
Mix_Volume(-1, Volume);
// get assigned Volume
Volume:= Mix_Volume(-1, -1);
if isMusicEnabled then
Mix_VolumeMusic(Volume * 4 div 8);
ChangeVolume:= Volume * 100 div MIX_MAX_VOLUME;
if (isMusicEnabled) then
if (Volume = 0) then
PauseMusic
else
ResumeMusic;
isAudioMuted:= (Volume = 0);
end;
procedure DampenAudio;
begin
if (isAudioMuted) then
exit;
previousVolume:= Volume;
ChangeVolume(-Volume * 7 div 9);
end;
procedure UndampenAudio;
begin
if (isAudioMuted) then
exit;
ChangeVolume(previousVolume - Volume);
end;
procedure MuteAudio;
begin
if not isSoundEnabled then
exit;
if (isAudioMuted) then
begin
ResumeMusic;
ChangeVolume(previousVolume);
end
else
begin
PauseMusic;
previousVolume:= Volume;
ChangeVolume(-Volume);
end;
// isAudioMuted is updated in ChangeVolume
end;
procedure SetMusic(enabled: boolean);
begin
isMusicEnabled:= enabled;
end;
procedure SetMusicName(musicname: shortstring);
begin
MusicFN:= musicname;
end;
procedure PauseMusic;
begin
if (MusicFN = '') or (not isMusicEnabled) then
exit;
if Mus <> nil then
Mix_PauseMusic(Mus);
end;
procedure ResumeMusic;
begin
if (MusicFN = '') or (not isMusicEnabled) then
exit;
if Mus <> nil then
Mix_ResumeMusic(Mus);
end;
procedure ChangeMusic(musicname: shortstring);
begin
MusicFN:= musicname;
if (MusicFN = '') or (not isMusicEnabled) then
exit;
StopMusic;
PlayMusic;
end;
procedure StopMusic;
begin
if (MusicFN = '') or (not isMusicEnabled) then
exit;
if Mus <> nil then
begin
Mix_FreeMusic(Mus);
Mus:= nil;
end
end;
procedure chVoicepack(var s: shortstring);
begin
if CurrentTeam = nil then
OutError(errmsgIncorrectUse + ' "/voicepack"', true);
if s[1]='"' then Delete(s, 1, 1);
if s[byte(s[0])]='"' then
Delete(s, byte(s[0]), 1);
CurrentTeam^.voicepack:= AskForVoicepack(s)
end;
procedure chMute(var s: shortstring);
begin
s:= s; // avoid compiler hint
MuteAudio;
end;
procedure preInitModule;
begin
isMusicEnabled:= true;
isSoundEnabled:= true;
cInitVolume:= 100;
end;
procedure initModule;
var t: LongInt;
i: TSound;
begin
RegisterVariable('voicepack', @chVoicepack, false);
RegisterVariable('mute' , @chMute , true );
MusicFN:='';
Mus:= nil;
isAudioMuted:= false;
isSEBackup:= isSoundEnabled;
Volume:= 0;
defVoicepack:= AskForVoicepack('Default');
for i:= Low(TSound) to High(TSound) do
lastChan[i]:= -1;
// initialize all voices to nil so that they can be loaded lazily
for t:= 0 to cMaxTeams do
if voicepacks[t].name <> '' then
for i:= Low(TSound) to High(TSound) do
voicepacks[t].chunks[i]:= nil;
(* on MOBILE SDL_mixer has to be compiled against Tremor (USE_OGG_TREMOR)
or sound files bigger than 32k will lockup the game on slow cpu *)
for i:= Low(TSound) to High(TSound) do
defVoicepack^.chunks[i]:= nil;
end;
procedure freeModule;
begin
if isSoundEnabled then
ReleaseSound(true);
end;
end.