Moved Stars45 to StarsEx

1 files changed, 272 insertions, 0 deletions

diff --git a/StarsEx/MusicTrack.cpp b/StarsEx/MusicTrack.cpp
new file mode 100644
index 0000000..cca61a5
--- /dev/null
+++ b/StarsEx/MusicTrack.cpp
@@ -0,0 +1,272 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Music Director class to manage selection, setup, and playback
+    of background music tracks for both menu and game modes
+*/
+
+
+#include "MusicTrack.h"
+#include "MusicDirector.h"
+#include "Starshatter.h"
+#include "AudioConfig.h"
+
+#include "Game.h"
+#include "Clock.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::GetInstance()->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 -= Clock::GetInstance()->GuiDelta();
+
+        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;
+}
+