Imported existing code

indra/newview/llaudiosourcevo.cpp

@@ -0,0 +1,182 @@
+/** 
+ * @file llaudiosourcevo.cpp
+ * @author Douglas Soo, James Cook
+ * @brief Audio sources attached to viewer objects
+ *
+ * $LicenseInfo:firstyear=2006&license=viewergpl$
+ * 
+ * Copyright (c) 2006-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llaudiosourcevo.h"
+
+#include "llagent.h"
+#include "llmutelist.h"
+#include "llviewerparcelmgr.h"
+
+LLAudioSourceVO::LLAudioSourceVO(const LLUUID &sound_id, const LLUUID& owner_id, const F32 gain, LLViewerObject *objectp)
+	:	LLAudioSource(sound_id, owner_id, gain, LLAudioEngine::AUDIO_TYPE_SFX), 
+	mObjectp(objectp)
+{
+	update();
+}
+
+LLAudioSourceVO::~LLAudioSourceVO()
+{
+	if (mObjectp)
+	{
+		mObjectp->clearAttachedSound();
+	}
+	mObjectp = NULL;
+}
+
+void LLAudioSourceVO::setGain(const F32 gain)
+{
+	mGain = llclamp(gain, 0.f, 1.f);
+}
+
+void LLAudioSourceVO::updateMute()
+{
+	if (!mObjectp || mObjectp->isDead())
+	{
+	  	mSourceMuted = true;
+		return;
+	}
+
+	bool mute = false;
+	LLVector3d pos_global;
+
+	if (mObjectp->isAttachment())
+	{
+		LLViewerObject* parent = mObjectp;
+		while (parent && !parent->isAvatar())
+		{
+			parent = (LLViewerObject*)parent->getParent();
+		}
+		if (parent)
+		{
+			pos_global = parent->getPositionGlobal();
+		}
+	}
+	else
+	{
+		pos_global = mObjectp->getPositionGlobal();
+	}
+
+	if (!LLViewerParcelMgr::getInstance()->canHearSound(pos_global))
+	{
+		mute = true;
+	}
+
+	if (!mute)
+	{
+		if (LLMuteList::getInstance()->isMuted(mObjectp->getID()))
+		{
+			mute = true;
+		}
+		else if (LLMuteList::getInstance()->isMuted(mOwnerID, LLMute::flagObjectSounds))
+		{
+			mute = true;
+		}
+		else if (mObjectp->isAttachment())
+		{
+			LLViewerObject* parent = mObjectp;
+			while (parent && !parent->isAvatar())
+			{
+				parent = (LLViewerObject*)parent->getParent();
+			}
+			if (parent 
+				&& LLMuteList::getInstance()->isMuted(parent->getID()))
+			{
+				mute = true;
+			}
+		}
+	}
+
+	if (mute != mSourceMuted)
+	{
+		mSourceMuted = mute;
+		if (mSourceMuted)
+		{
+		  	// Stop the sound.
+			this->play(LLUUID::null);
+		}
+		else
+		{
+		  	// Muted sounds keep there data at all times, because
+			// it's the place where the audio UUID is stored.
+			// However, it's possible that mCurrentDatap is
+			// NULL when this source did only preload sounds.
+			if (mCurrentDatap)
+			{
+		  		// Restart the sound.
+				this->play(mCurrentDatap->getID());
+			}
+		}
+	}
+}
+
+void LLAudioSourceVO::update()
+{
+	updateMute();
+
+	if (!mObjectp)
+	{
+		return;
+	}
+
+	if (mObjectp->isDead())
+	{
+		mObjectp = NULL;
+		return;
+	}
+
+	if (mSourceMuted)
+	{
+	  	return;
+	}
+
+	if (mObjectp->isHUDAttachment())
+	{
+		mPositionGlobal = gAgent.getCameraPositionGlobal();
+	}
+	else
+	{
+		mPositionGlobal = mObjectp->getPositionGlobal();
+	}
+	if (mObjectp->getSubParent())
+	{
+		mVelocity = mObjectp->getSubParent()->getVelocity();
+	}
+	else
+	{
+		mVelocity = mObjectp->getVelocity();
+	}
+
+	LLAudioSource::update();
+}