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Diffstat (limited to 'Stars45/MusicTrack.cpp')
| -rw-r--r-- | Stars45/MusicTrack.cpp | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/Stars45/MusicTrack.cpp b/Stars45/MusicTrack.cpp new file mode 100644 index 0000000..33af28c --- /dev/null +++ b/Stars45/MusicTrack.cpp @@ -0,0 +1,297 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * 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. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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. + + SUBSYSTEM: Stars.exe + FILE: MusicTrack.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Music Director class to manage selection, setup, and playback + of background music tracks for both menu and game modes +*/ + + +#include "MemDebug.h" +#include "MusicTrack.h" +#include "MusicDirector.h" +#include "Starshatter.h" +#include "AudioConfig.h" + +#include "Game.h" +#include "Sound.h" + +// +-------------------------------------------------------------------+ + +const double FADE_TIME = 1.5; +const double SILENCE = -5000; + +// +-------------------------------------------------------------------+ + +MusicTrack::MusicTrack(const Text& txt, int m, int n) +: name(txt), sound(0), state(NONE), mode(m), index(n), +fade(0), fade_time(FADE_TIME) +{ + long max_vol = 0; + + if (mode >= MusicDirector::FLIGHT) + max_vol = AudioConfig::GameMusic(); + else + max_vol = AudioConfig::MenuMusic(); + + if (max_vol <= AudioConfig::Silence()) + return; + + name.setSensitive(false); + + if (name.contains(".ogg")) { + sound = Sound::CreateOggStream(name); + + if (name.contains("-loop")) { + sound->SetFlags(Sound::STREAMED | + Sound::OGGVORBIS | + Sound::LOOP | + Sound::LOCKED); + } + + else { + sound->SetFlags(Sound::STREAMED | + Sound::OGGVORBIS | + Sound::LOCKED); + } + + sound->SetVolume((long) SILENCE); + } +} + +MusicTrack::~MusicTrack() +{ + if (sound) { + sound->Stop(); + sound->Release(); + } +} + +// +--------------------------------------------------------------------+ + +void +MusicTrack::ExecFrame() +{ + bool music_pause = false; + + Starshatter* stars = Starshatter::GetInstance(); + if (stars) { + music_pause = (stars->GetGameMode() == Starshatter::PLAY_MODE) && + Game::Paused(); + } + + if (sound && !music_pause) { + double fvol = 1; + long volume = 0; + + switch (state) { + case PLAY: + if (sound->IsReady()) + sound->Play(); + SetVolume(volume); + break; + + case FADE_IN: + if (sound->IsReady()) + sound->Play(); + + if (fade > 0) { + fvol = fade/fade_time; + volume = (long) (fvol * SILENCE); + SetVolume(volume); + } + + if (fade < 0.01) + state = PLAY; + break; + + case FADE_OUT: + if (sound->IsReady()) + sound->Play(); + + if (fade > 0) { + fvol = 1 - fade/fade_time; + volume = (long) (fvol * SILENCE); + SetVolume(volume); + } + + if (fade < 0.01) + state = STOP; + break; + + case STOP: + if (sound->IsPlaying()) { + sound->Stop(); + sound->Release(); + sound = 0; + } + break; + } + + if (fade > 0) + fade -= Game::GUITime(); + + if (fade < 0) + fade = 0; + } +} + +// +--------------------------------------------------------------------+ + +void +MusicTrack::Play() +{ + state = PLAY; + fade = 0; +} + +void +MusicTrack::Stop() +{ + state = STOP; + fade = 0; +} + +void +MusicTrack::FadeIn() +{ + if (state != FADE_IN && state != PLAY) { + state = FADE_IN; + fade = fade_time; + } +} + +void +MusicTrack::FadeOut() +{ + if (state != FADE_OUT && state != STOP) { + state = FADE_OUT; + fade = fade_time; + } +} + +// +--------------------------------------------------------------------+ + +int +MusicTrack::IsReady() const +{ + if (sound) + return sound->IsReady(); + + return false; +} + +int +MusicTrack::IsPlaying() const +{ + if (sound) + return sound->IsPlaying(); + + return false; +} + +int +MusicTrack::IsDone() const +{ + if (sound) + return sound->IsDone() || sound->LoopCount() >= 5; + + return true; +} + +int +MusicTrack::IsLooped() const +{ + if (sound) + return sound->IsDone() || sound->LoopCount() >= 4; + + return true; +} + +// +--------------------------------------------------------------------+ + +long +MusicTrack::GetVolume() const +{ + if (sound) + return sound->GetVolume(); + + return 0; +} + +void +MusicTrack::SetVolume(long v) +{ + if (sound) { + long max_vol = 0; + + if (mode >= MusicDirector::FLIGHT) + max_vol = AudioConfig::GameMusic(); + else + max_vol = AudioConfig::MenuMusic(); + + if (v > max_vol) + v = max_vol; + + sound->SetVolume(v); + } +} + +double +MusicTrack::GetTotalTime() const +{ + if (sound) + return sound->GetTotalTime(); + + return 0; +} + +double +MusicTrack::GetTimeRemaining() const +{ + if (sound) + return sound->GetTimeRemaining(); + + return 0; +} + +double +MusicTrack::GetTimeElapsed() const +{ + if (sound) + return sound->GetTimeElapsed(); + + return 0; +} + |