director.cpp

/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "audio/mixer.h"

#include "common/config-manager.h"
#include "common/debug.h"
#include "common/scummsys.h"
#include "common/error.h"
#include "common/events.h"
#include "common/macresman.h"
#include "common/stream.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "common/fs.h"

#include "engines/util.h"

#include "graphics/surface.h"

#include "director/director.h"
#include "director/dib.h"
#include "director/resource.h"
#include "director/score.h"
#include "director/lingo/lingo.h"
#include "director/sound.h"

namespace Director {

DirectorEngine::DirectorEngine(OSystem *syst, const DirectorGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
	if (!_mixer->isReady())
		error("Sound initialization failed");

	// Setup mixer
	syncSoundSettings();

	_mainArchive = 0;
	_macBinary = 0;
	_currentPalette = 0;
	//FIXME
	_sharedMMM = "SHARDCST.MMM";

	_movies = new Common::HashMap<Common::String, Score *>();
	const Common::FSNode gameDataDir(ConfMan.get("path"));
	SearchMan.addSubDirectoryMatching(gameDataDir, "data");
	SearchMan.addSubDirectoryMatching(gameDataDir, "install");
}

DirectorEngine::~DirectorEngine() {
	delete _mainArchive;
	delete _macBinary;
	delete[] _currentPalette;
}

Common::Error DirectorEngine::run() {
	debug("Starting v%d Director game", getVersion());

	_lingo = new Lingo(this);
	_soundManager = new DirectorSound();

#if 0
_lingo->addCode("--\n\
macro check par1, par2		\n\
, par3\n\
if par1 = 3 then\n\
  put -3\n\
else\n\
  put 0\n\
end if  \n\
if par2 = 2 then	\n\
  put 2		\n\
else	\n\
  put 0\n\
end if\n\
put par1\n\
put par2\n\
put par3\n\
", kMovieScript, 5);

_lingo->addCode("check(1, 2, 3)\n\
check 4, 5, 6\n\
check 7, 8\n\
", kMovieScript, 2);

_lingo->executeScript(kMovieScript, 2);

	_lingo->addCode("--\n\
macro SHIPX\n\
set x = 5\n\
if x = 1 then\n\
go \"Zoom\"\n\
exit\n\
end if\n\
if x >1 then\n\
exit\n\
end if\n\
put 100\n\
\n\
--\n\
macro ZIPX\n\
set x = 5\n\
if x = 1 then\n\
go \"ZIP\"\n\
exit\n\
end if\n\
if x >1 then\n\
exit\n\
end if\n\
\n\
--\n\
macro check par1, par2\n\
if par1 = 3 then\n\
  put 8\n\
else\n\
  put 9\n\
end if\n\
", kMovieScript, 1);

_lingo->addCode("check(2, 3)\n\
shipx\n\
put x\n\
", kMovieScript, 2);

_lingo->executeScript(kMovieScript, 2);

return Common::kNoError;


	_lingo->addCode("mci \"open MM\\T005045a.wav type WaveAudio alias T005045a\"\n\
	mci \"play T005045a from 22710 to 32872\"", kMovieScript, 1);

	_lingo->addCode("go to frame \"Open23\" of movie \"OpenCabin23\"\n\
go \"CARDBACK\"\n\
go movie \"BAR 1\"\n\
go to \"Open23\" of movie \"OpenCabin23\"\n\
go to \"Chair\"\n\
set x = 2 + 3 * (4 / 2)\n\
put x\n", kMovieScript, 2);

_lingo->addCode("set x = 5\n\
if x <= 5 then set x = 6 end if\n\
if (x = 5) then\n\
   set x = 7 -- this is comment\n\
else\n\
	set x = 8\n\
	-- this is another comment\n\
end if\n\
put x\n\
-- this is more comment\n\
set y = 1\n\
repeat while (y < 5)\n\
  set y = y + 1\n\
  put y\n\
end repeat\n\
\n\
repeat with z = 10 to 15\n\
	put z\n\
end repeat\n\
repeat with y = 5 down to 1\n\
put y\n\
end repeat\n\
", kMovieScript, 3);

	_lingo->executeScript(kMovieScript, 3);

	return Common::kNoError;
#endif

	//FIXME
	_mainArchive = new RIFFArchive();
	_mainArchive->openFile("bookshelf_example.mmm");

	_currentScore = new Score(this);
	debug(0, "Score name %s", _currentScore->getMacName().c_str());

	_currentScore->loadArchive();
	_currentScore->startLoop();

	if (getPlatform() == Common::kPlatformWindows)
		loadEXE();
	else
		loadMac();

	return Common::kNoError;
}

Common::HashMap<Common::String, Score *> DirectorEngine::loadMMMNames(Common::String folder) {
	Common::FSNode directory(folder);
	Common::FSList movies;

	Common::HashMap<Common::String, Score *> nameMap;
	directory.getChildren(movies, Common::FSNode::kListFilesOnly);

	if (!movies.empty()) {
		for (Common::FSList::const_iterator i = movies.begin(); i != movies.end(); ++i) {
			if (i->getName() == _sharedMMM) {
				loadSharedCastsFrom(i->getPath());
				continue;
			}

			RIFFArchive *arc = new RIFFArchive();
			arc->openFile(i->getPath());
			Score *sc = new Score(this);
			nameMap[sc->getMacName()] = sc;
		}
	}

	return nameMap;
}

void DirectorEngine::loadEXE() {
	Common::SeekableReadStream *exeStream = SearchMan.createReadStreamForMember(getEXEName());
	if (!exeStream)
		error("Failed to open EXE '%s'", getEXEName().c_str());

	_lingo->processEvent(kEventStart, 0);

	exeStream->seek(-4, SEEK_END);
	exeStream->seek(exeStream->readUint32LE());

	switch (getVersion()) {
	case 3:
		loadEXEv3(exeStream);
		break;
	case 4:
		loadEXEv4(exeStream);
		break;
	case 5:
		loadEXEv5(exeStream);
		break;
	case 7:
		loadEXEv7(exeStream);
		break;
	default:
		error("Unhandled Windows EXE version %d", getVersion());
	}
}

void DirectorEngine::loadEXEv3(Common::SeekableReadStream *stream) {
	uint16 entryCount = stream->readUint16LE();
	if (entryCount != 1)
		error("Unhandled multiple entry v3 EXE");

	stream->skip(5); // unknown

	stream->readUint32LE(); // Main MMM size
	Common::String mmmFileName = readPascalString(*stream);
	Common::String directoryName = readPascalString(*stream);

	debug("Main MMM: '%s'", mmmFileName.c_str());
	debug("Directory Name: '%s'", directoryName.c_str());

	_mainArchive = new RIFFArchive();

	if (!_mainArchive->openFile(mmmFileName))
		error("Could not open '%s'", mmmFileName.c_str());

	delete stream;
}

void DirectorEngine::loadEXEv4(Common::SeekableReadStream *stream) {
	if (stream->readUint32BE() != MKTAG('P', 'J', '9', '3'))
		error("Invalid projector tag found in v4 EXE");

	uint32 rifxOffset = stream->readUint32LE();
	/* uint32 fontMapOffset = */ stream->readUint32LE();
	/* uint32 resourceForkOffset1 = */ stream->readUint32LE();
	/* uint32 resourceForkOffset2 = */ stream->readUint32LE();
	stream->readUint32LE(); // graphics DLL offset
	stream->readUint32LE(); // sound DLL offset
	/* uint32 rifxOffsetAlt = */ stream->readUint32LE(); // equivalent to rifxOffset

	loadEXERIFX(stream, rifxOffset);
}

void DirectorEngine::loadEXEv5(Common::SeekableReadStream *stream) {
	if (stream->readUint32LE() != MKTAG('P', 'J', '9', '5'))
		error("Invalid projector tag found in v5 EXE");

	uint32 rifxOffset = stream->readUint32LE();
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	/* uint16 screenWidth = */ stream->readUint16LE();
	/* uint16 screenHeight = */ stream->readUint16LE();
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	/* uint32 fontMapOffset = */ stream->readUint32LE();

	loadEXERIFX(stream, rifxOffset);
}

void DirectorEngine::loadEXEv7(Common::SeekableReadStream *stream) {
	if (stream->readUint32LE() != MKTAG('P', 'J', '0', '0'))
		error("Invalid projector tag found in v7 EXE");

	uint32 rifxOffset = stream->readUint32LE();
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // unknown
	stream->readUint32LE(); // some DLL offset

	loadEXERIFX(stream, rifxOffset);
}

void DirectorEngine::loadEXERIFX(Common::SeekableReadStream *stream, uint32 offset) {
	_mainArchive = new RIFXArchive();

	if (!_mainArchive->openStream(stream, offset))
		error("Failed to load RIFX from EXE");
}

void DirectorEngine::loadMac() {
	if (getVersion() < 4) {
		// The data is part of the resource fork of the executable
		_mainArchive = new MacArchive();

		if (!_mainArchive->openFile(getEXEName()))
			error("Failed to open Mac binary '%s'", getEXEName().c_str());
	} else {
		// The RIFX is located in the data fork of the executable
		_macBinary = new Common::MacResManager();

		if (!_macBinary->open(getEXEName()) || !_macBinary->hasDataFork())
			error("Failed to open Mac binary '%s'", getEXEName().c_str());

		Common::SeekableReadStream *dataFork = _macBinary->getDataFork();
		_mainArchive = new RIFXArchive();

		// First we need to detect PPC vs. 68k

		uint32 tag = dataFork->readUint32BE();
		uint32 startOffset;

		if (SWAP_BYTES_32(tag) == MKTAG('P', 'J', '9', '3') || tag == MKTAG('P', 'J', '9', '5') || tag == MKTAG('P', 'J', '0', '0')) {
			// PPC: The RIFX shares the data fork with the binary
			startOffset = dataFork->readUint32BE();
		} else {
			// 68k: The RIFX is the only thing in the data fork
			startOffset = 0;
		}

		if (!_mainArchive->openStream(dataFork, startOffset))
			error("Failed to load RIFX from Mac binary");
	}
}

Common::String DirectorEngine::readPascalString(Common::SeekableReadStream &stream) {
	byte length = stream.readByte();
	Common::String x;

	while (length--)
		x += (char)stream.readByte();

	return x;
}

void DirectorEngine::setPalette(byte *palette, uint16 count) {
	_currentPalette = palette;
	_currentPaletteLength = count;
}

void DirectorEngine::loadSharedCastsFrom(Common::String filename) {
	Archive *shardcst;

	if (getVersion() < 4) {
		shardcst = new RIFFArchive();
	} else {
		shardcst = new RIFXArchive();
	}

	shardcst->openFile(filename);

	Score *castScore = new Score(this);
	Common::SeekableSubReadStreamEndian *castStream = shardcst->getResource(MKTAG('V','W','C','R'), 1024);

	castScore->loadCastData(*castStream);
	*_sharedCasts = castScore->_casts;

	Common::Array<uint16> dib = shardcst->getResourceIDList(MKTAG('D','I','B',' '));

	if (dib.size() != 0) {
		Common::Array<uint16>::iterator iterator;
		for (iterator = dib.begin(); iterator != dib.end(); ++iterator) {
			_sharedDIB->setVal(*iterator, shardcst->getResource(MKTAG('D','I','B',' '), *iterator));
		}
	}

	Common::Array<uint16> stxt = shardcst->getResourceIDList(MKTAG('D','I','B',' '));

	if (stxt.size() != 0) {
		Common::Array<uint16>::iterator iterator;
		for (iterator = stxt.begin(); iterator != stxt.end(); ++iterator) {
			_sharedSTXT->setVal(*iterator, shardcst->getResource(MKTAG('S','T','X','T'), *iterator));
		}
	}

	Common::Array<uint16> sound = shardcst->getResourceIDList(MKTAG('S','N','D',' '));

	if (stxt.size() != 0) {
		Common::Array<uint16>::iterator iterator;
		for (iterator = sound.begin(); iterator != sound.end(); ++iterator) {
			_sharedSound->setVal(*iterator, shardcst->getResource(MKTAG('S','N','D',' '), *iterator));
		}
	}
}

} // End of namespace Director