Moved Stars45 to StarsEx

1 files changed, 103 insertions, 0 deletions

diff --git a/StarsEx/SoundCard.cpp b/StarsEx/SoundCard.cpp
new file mode 100644
index 0000000..1e54cce
--- /dev/null
+++ b/StarsEx/SoundCard.cpp
@@ -0,0 +1,103 @@
+/*  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
+    ========
+    Abstract sound card class
+*/
+
+#include <mutex>
+
+#include "SoundCard.h"
+#include "Sound.h"
+
+// +--------------------------------------------------------------------+
+
+DWORD WINAPI SoundCardUpdateProc(LPVOID link);
+
+// +--------------------------------------------------------------------+
+
+SoundCard::SoundCard()
+: status(SC_UNINITIALIZED), hthread(0), shutdown(false)
+{
+    DWORD thread_id = 0;
+    hthread = CreateThread(0, 4096, SoundCardUpdateProc,
+    (LPVOID) this, 0, &thread_id);
+}
+
+// +--------------------------------------------------------------------+
+
+SoundCard::~SoundCard()
+{
+    shutdown = true;
+
+    WaitForSingleObject(hthread, 500);
+    CloseHandle(hthread);
+    hthread = 0;
+
+    sounds.destroy();
+    status = SC_UNINITIALIZED;
+}
+
+// +--------------------------------------------------------------------+
+
+DWORD WINAPI SoundCardUpdateProc(LPVOID link)
+{
+    SoundCard* card = (SoundCard*) link;
+
+    if (card)
+    return card->UpdateThread();
+
+    return (DWORD) E_POINTER;
+}
+
+// +--------------------------------------------------------------------+
+
+DWORD
+SoundCard::UpdateThread()
+{
+    while (!shutdown) {
+        Update();
+        Sleep(50);
+    }
+
+    return 0;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+SoundCard::Update()
+{
+    const std::lock_guard<std::mutex> lock(sync);
+
+    ListIter<Sound> iter = sounds;
+    while (++iter) {
+        Sound* s = iter.value();
+
+        s->Update();
+
+        if (s->GetStatus() == Sound::DONE &&
+                !(s->GetFlags()  &  Sound::LOCKED)) {
+
+            delete iter.removeItem();
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+SoundCard::AddSound(Sound* s)
+{
+    const std::lock_guard<std::mutex> lock(sync);
+
+    if (!sounds.contains(s))
+    sounds.append(s);
+}
+