Initial commit

engines/hpl1/engine/scene/SoundSource.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#include "hpl1/engine/scene/SoundSource.h"
+#include "hpl1/engine/impl/tinyXML/tinyxml.h"
+#include "hpl1/engine/math/Math.h"
+#include "hpl1/engine/sound/Sound.h"
+#include "hpl1/engine/sound/SoundChannel.h"
+#include "hpl1/engine/sound/SoundHandler.h"
+#include "hpl1/engine/system/String.h"
+
+namespace hpl {
+
+//////////////////////////////////////////////////////////////////////////
+// CONSTRUCTORS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+cSoundSource::cSoundSource(const tString &asName, const tString &asSoundName, cSound *apSound, bool abVolatile)
+	: iEntity2D(asName) {
+	UpdateBoundingBox();
+
+	mpSound = apSound;
+	msSoundName = asSoundName;
+	mpSoundChannel = NULL;
+	mbVolatile = abVolatile;
+
+	msSoundName = asSoundName;
+
+	mlInterval = 0;
+	mbLoop = true;
+	mbRelative = false;
+	mfMaxDist = 1000;
+	mfMinDist = 1;
+	mlRandom = 0;
+	mfVolume = 1;
+	mlCounter = 0;
+
+	mbPlaying = false;
+}
+
+//-----------------------------------------------------------------------
+
+cSoundSource::~cSoundSource() {
+	Stop();
+}
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PUBLIC METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+void cSoundSource::UpdateLogic(float afTimeStep) {
+	if (mbIsActive && !mbPlaying) {
+		if (mlRandom == 0) {
+			Play();
+		} else {
+			if (mlCounter >= mlInterval) {
+				if (cMath::RandRectl(0, mlRandom) == 0) {
+					Play();
+					mlCounter = 0;
+				}
+			} else {
+				mlCounter++;
+			}
+		}
+
+		// Update position
+		if (mbRelative == false) {
+			if (mpSound->GetSoundHandler()->IsValid(mpSoundChannel)) {
+				mpSoundChannel->SetPosition(GetWorldPosition());
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------
+
+bool cSoundSource::IsDead() {
+	if (mbVolatile) {
+		if (mbIsActive == false && mbPlaying == false)
+			return true;
+	}
+
+	return false;
+}
+
+//-----------------------------------------------------------------------
+
+bool cSoundSource::LoadData(TiXmlElement *apRootElem) {
+	mlInterval = cString::ToInt(apRootElem->Attribute("Interval"), 0);
+	mbLoop = cString::ToBool(apRootElem->Attribute("Loop"), false);
+	mbRelative = cString::ToBool(apRootElem->Attribute("Relative"), false);
+	mfMaxDist = cString::ToFloat(apRootElem->Attribute("MaxDist"), 100);
+	mfMinDist = cString::ToFloat(apRootElem->Attribute("MinDist"), 100);
+	mlRandom = cString::ToInt(apRootElem->Attribute("Random"), 100);
+	mfVolume = cString::ToFloat(apRootElem->Attribute("Volume"), 1);
+
+	if (!mbRelative) {
+		cVector3f vPos;
+		vPos.x = cString::ToFloat(apRootElem->Attribute("X"), 0);
+		vPos.y = cString::ToFloat(apRootElem->Attribute("Y"), 0);
+		vPos.z = cString::ToFloat(apRootElem->Attribute("Z"), 0);
+
+		SetPosition(vPos);
+	} else {
+		cVector3f vPos;
+		vPos.x = cString::ToFloat(apRootElem->Attribute("RelX"), 0);
+		vPos.y = cString::ToFloat(apRootElem->Attribute("RelY"), 0);
+		vPos.z = cString::ToFloat(apRootElem->Attribute("RelZ"), 0);
+
+		SetPosition(vPos);
+	}
+
+	return true;
+}
+
+//-----------------------------------------------------------------------
+
+const cRect2f &cSoundSource::GetBoundingBox() {
+	return mBoundingBox;
+}
+
+//-----------------------------------------------------------------------
+
+bool cSoundSource::UpdateBoundingBox() {
+	return true;
+}
+
+//-----------------------------------------------------------------------
+
+void cSoundSource::Stop() {
+	mpSound->GetSoundHandler()->Stop(msSoundName);
+
+	mbIsActive = false;
+	mbPlaying = false;
+	mlCounter = 0;
+}
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PRIVATE METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+void cSoundSource::Play() {
+	cVector3f vPos;
+	if (mbRelative)
+		vPos = GetWorldPosition();
+	else
+		vPos = GetLocalPosition();
+
+	mpSoundChannel = mpSound->GetSoundHandler()->Play(msSoundName, mbLoop, mfVolume, vPos, mfMinDist, mfMaxDist,
+													  eSoundDest_World, mbRelative);
+
+	mbPlaying = true;
+
+	if (!mbLoop)
+		mbIsActive = false;
+}
+
+//-----------------------------------------------------------------------
+
+} // namespace hpl