1 files changed, 134 insertions, 0 deletions
diff --git a/intern/SoundSystem/intern/SND_WaveCache.cpp b/intern/SoundSystem/intern/SND_WaveCache.cpp
new file mode 100644
index 00000000000..279bc29aa83
--- /dev/null
+++ b/intern/SoundSystem/intern/SND_WaveCache.cpp
@@ -0,0 +1,134 @@
+/*
+ * SND_WaveCache.cpp
+ *
+ * abstract wavecache, a way to organize samples
+ *
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+#ifdef WIN32
+#pragma warning (disable:4786) // Get rid of stupid stl-visual compiler debug warning
+#endif //WIN32
+
+#include "SND_WaveCache.h"
+#include <stdio.h>
+
+#ifndef __APPLE__
+#include <malloc.h>
+#else // __APPLE__
+#include <sys/malloc.h>
+#endif // __APPLE__
+
+
+SND_WaveCache::SND_WaveCache()
+{
+	// do the buffer administration
+	for (int i = 0; i < NUM_BUFFERS; i++)
+		m_bufferList[i] = NULL;
+}
+
+
+
+SND_WaveCache::~SND_WaveCache()
+{
+	// clean up the mess
+	FreeSamples();
+	RemoveAllSamples();
+}
+
+
+
+SND_WaveSlot* SND_WaveCache::GetWaveSlot(const STR_String& samplename)
+{
+	SND_WaveSlot* waveslot = NULL;
+
+	std::map<STR_String, SND_WaveSlot*>::iterator find_result = m_samplecache.find(samplename);
+		
+	// let's see if we have already loaded this sample
+	if (find_result != m_samplecache.end())
+	{
+		waveslot = (*find_result).second;
+	}
+	else
+	{
+		// so the sample wasn't loaded, so do it here
+		for (int bufnum = 0; bufnum < NUM_BUFFERS; bufnum++)
+		{
+			// find an empty buffer
+			if (m_bufferList[bufnum] == NULL)
+			{
+				waveslot = new SND_WaveSlot();
+				waveslot->SetSampleName(samplename);
+				waveslot->SetBuffer(bufnum);
+				m_bufferList[bufnum] = waveslot;
+				break;
+			}
+		}
+		m_samplecache.insert(std::pair<STR_String, SND_WaveSlot*>(samplename, waveslot));
+	}
+
+	return waveslot;
+}
+
+
+
+void SND_WaveCache::RemoveAllSamples()
+{
+	// remove all samples
+	m_samplecache.clear();
+
+	// reset the list of buffers
+	for (int i = 0; i < NUM_BUFFERS; i++)
+		m_bufferList[i] = NULL;
+}
+
+
+
+void SND_WaveCache::RemoveSample(const STR_String& samplename, int buffer)
+{
+	m_samplecache.erase(samplename);
+	m_bufferList[buffer] = NULL;
+}
+
+
+
+void SND_WaveCache::FreeSamples()
+{
+	// iterate through the bufferlist and delete the waveslot if present
+	for (int i = 0; i < NUM_BUFFERS; i++)
+	{
+		if (m_bufferList[i])
+		{
+			delete m_bufferList[i];
+			m_bufferList[i] = NULL;
+		}
+	}
+}