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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 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 "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;
const Common::FSNode gameDataDir(ConfMan.get("path"));
SearchMan.addSubDirectoryMatching(gameDataDir, "data");
SearchMan.addSubDirectoryMatching(gameDataDir, "install");
}
DirectorEngine::~DirectorEngine() {
delete _mainArchive;
delete _macBinary;
}
Common::Error DirectorEngine::run() {
debug("Starting v%d Director game", getVersion());
_lingo = new Lingo();
_soundManager = new DirectorSound();
//FIXME
_mainArchive = new RIFFArchive();
_mainArchive->openFile("bookshelf_example.mmm");
Score score(*_mainArchive, *_lingo);
score.startLoop();
if (getPlatform() == Common::kPlatformWindows)
loadEXE();
else
loadMac();
return Common::kNoError;
}
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;
}
} // End of namespace Director
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