From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001
From: "FWoltermann@gmail.com"
 <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544>
Date: Thu, 8 Dec 2011 14:53:40 +0000
Subject: Initial upload

---
 nGenEx/SoundCard.cpp | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 nGenEx/SoundCard.cpp

(limited to 'nGenEx/SoundCard.cpp')

diff --git a/nGenEx/SoundCard.cpp b/nGenEx/SoundCard.cpp
new file mode 100644
index 0000000..98e9f20
--- /dev/null
+++ b/nGenEx/SoundCard.cpp
@@ -0,0 +1,103 @@
+/*  Project nGenEx
+    Destroyer Studios LLC
+    Copyright © 1997-2004. All Rights Reserved.
+
+    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);
+}
+
-- 
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