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engines/director/lingo/xlibs/s/soundjam.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/>.
+ *
+ */
+
+/*************************************
+ *
+ * USED IN:
+ * Meet MediaBand
+ *
+ *************************************/
+
+/*
+ * -- SoundJam Copyright © Canter Technology 1995
+ * SoundJam
+ * II   mNew, numberOfChannels
+ * ISI  mDefineFileSound, fullPathName, numberOfBeats
+ * III  mDefineCastSound, castMemberNumber, numberOfBeats
+ * II   mUndefineSound, soundID
+ * III  mReadSome, soundID, byteCount
+ * II   mStartSound, soundID
+ * II   mSwitchNew, soundID
+ * II   mSwitchParallel, soundID
+ * I    mHasSwitchHappened
+ * X    mToggleMute
+ * X    mStop
+ * X    mDispose
+ */
+
+#include "director/director.h"
+#include "director/window.h"
+#include "director/sound.h"
+#include "director/lingo/lingo.h"
+#include "director/lingo/lingo-object.h"
+#include "director/lingo/lingo-utils.h"
+#include "director/lingo/xlibs/s/soundjam.h"
+
+namespace Director {
+
+const char *const SoundJam::xlibName = "SoundJam";
+const XlibFileDesc SoundJam::fileNames[] = {
+	{ "SoundJam",	nullptr },
+	{ nullptr,		nullptr },
+};
+
+const int kJamChannel = 3;
+
+static const MethodProto xlibMethods[] = {
+	{ "new",				SoundJam::m_new,			 1, 1,	400 },
+	{ "defineFileSound",	SoundJam::m_defineFileSound, 2, 2,	400 },
+	{ "defineCastSound",	SoundJam::m_defineCastSound, 2, 2,	400 },
+	{ "undefineSound",		SoundJam::m_undefineSound,	 1, 1,	400 },
+	{ "readSome",			SoundJam::m_readSome,		 2, 2,	400 },
+	{ "startSound",			SoundJam::m_startSound,		 1, 1,	400 },
+	{ "switchNew",			SoundJam::m_switchNew,		 1, 1,	400 },
+	{ "switchParallel",		SoundJam::m_switchParallel,	 1, 1,	400 },
+	{ "hasSwitchHappened",	SoundJam::m_hasSwitchHappened, 0, 0, 400 },
+	{ "toggleMute",			SoundJam::m_toggleMute,		 0, 0,	400 },
+	{ "stop",				SoundJam::m_stop,			 0, 0,	400 },
+	{ nullptr, nullptr, 0, 0, 0 }
+};
+
+void SoundJam::open(ObjectType type, const Common::Path &path) {
+	if (type == kXObj) {
+		SoundJamObject::initMethods(xlibMethods);
+		SoundJamObject *xobj = new SoundJamObject(kXObj);
+		g_lingo->exposeXObject(xlibName, xobj);
+	}
+}
+
+void SoundJam::close(ObjectType type) {
+	if (type == kXObj) {
+		SoundJamObject::cleanupMethods();
+		g_lingo->_globalvars[xlibName] = Datum();
+	}
+}
+
+SoundJamObject::SoundJamObject(ObjectType objType) : Object<SoundJamObject>("SoundJam") {
+	_objType = objType;
+}
+
+void SoundJam::m_new(int nargs) {
+	int numberOfChannels = g_lingo->pop().asInt();
+
+	if (numberOfChannels != 1) {
+		warning("SoundJam::m_new: Expected numberOfChannels = 1, got %d", numberOfChannels);
+		g_lingo->push(Datum());
+		return;
+	}
+
+	g_lingo->push(g_lingo->_state->me);
+}
+
+XOBJSTUB(SoundJam::m_defineFileSound, 0)
+
+void SoundJam::m_defineCastSound(int nargs) {
+	SoundJamObject *me = static_cast<SoundJamObject *>(g_lingo->_state->me.u.obj);
+
+	/* Datum numberOfBeats = */ g_lingo->pop();
+	CastMemberID castMemberNumber = g_lingo->pop().asMemberID();
+
+	int soundID = 0;
+	while (me->_soundMap.contains(soundID))
+		soundID++;
+
+	me->_soundMap[soundID] = castMemberNumber;
+
+	g_lingo->push(soundID);
+}
+
+void SoundJam::m_undefineSound(int nargs) {
+	SoundJamObject *me = static_cast<SoundJamObject *>(g_lingo->_state->me.u.obj);
+	int soundID = g_lingo->pop().asInt();
+
+	if (soundID < 0) {
+		g_lingo->push(0); // success
+		return;
+	}
+
+	if (!me->_soundMap.contains(soundID)) {
+		warning("SoundJam::m_undefineSound: Sound %d is not defined", soundID);
+		g_lingo->push(-1); // error
+		return;
+	}
+
+	me->_soundMap.erase(soundID);
+	g_lingo->push(0); // success
+}
+
+XOBJSTUB(SoundJam::m_readSome, 0)
+XOBJSTUB(SoundJam::m_startSound, 0)
+
+void SoundJam::m_switchNew(int nargs) {
+	SoundJamObject *me = static_cast<SoundJamObject *>(g_lingo->_state->me.u.obj);
+	int soundID = g_lingo->pop().asInt();
+
+	if (!me->_soundMap.contains(soundID)) {
+		warning("SoundJam::m_switchNew: Sound %d is not defined", soundID);
+		g_lingo->push(-1); // error
+		return;
+	}
+
+	DirectorSound *sound = g_director->getCurrentWindow()->getSoundManager();
+	sound->setPuppetSound(me->_soundMap[soundID], kJamChannel);
+	sound->playPuppetSound(kJamChannel);
+	g_lingo->push(0); // success
+}
+
+XOBJSTUB(SoundJam::m_switchParallel, 0)
+XOBJSTUB(SoundJam::m_hasSwitchHappened, 0)
+XOBJSTUBNR(SoundJam::m_toggleMute)
+
+void SoundJam::m_stop(int nargs) {
+	DirectorSound *sound = g_director->getCurrentWindow()->getSoundManager();
+	sound->setPuppetSound(SoundID(), kJamChannel);
+	sound->playPuppetSound(kJamChannel);
+}
+
+} // End of namespace Director