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+/* 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: nGenEx.lib
+ FILE: SoundCard.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Abstract sound card class
+*/
+
+#include "MemDebug.h"
+#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()
+{
+ AutoThreadSync a(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)
+{
+ AutoThreadSync a(sync);
+
+ if (!sounds.contains(s))
+ sounds.append(s);
+}
+