DIRECTOR: Put all archive parsing methods into archive.cpp

1 files changed, 239 insertions, 0 deletions

diff --git a/engines/director/archive.cpp b/engines/director/archive.cpp
new file mode 100644
index 0000000000..6266ce386a
--- /dev/null
+++ b/engines/director/archive.cpp
@@ -0,0 +1,239 @@
+/* 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 "common/macresman.h"
+
+#include "director/director.h"
+#include "director/resource.h"
+#include "director/lingo/lingo.h"
+
+namespace Director {
+
+Archive *DirectorEngine::createArchive() {
+	if (getVersion() < 4) {
+		return new RIFFArchive();
+	} else {
+		return new RIFXArchive();
+	}
+}
+
+void DirectorEngine::loadMainArchive() {
+	if (getPlatform() == Common::kPlatformWindows)
+		loadEXE();
+	else
+		loadMac();
+}
+
+void DirectorEngine::cleanupMainArchive() {
+	delete _mainArchive;
+	delete _macBinary;
+}
+
+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);
+
+	debugC(1, kDebugLoading, "Main MMM: '%s'", mmmFileName.c_str());
+	debugC(1, kDebugLoading, "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");
+	}
+}
+
+void DirectorEngine::loadSharedCastsFrom(Common::String filename) {
+	Archive *shardcst = createArchive();
+
+	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) {
+			debugC(3, kDebugLoading, "Shared DIB %d", *iterator);
+			_sharedDIB->setVal(*iterator, shardcst->getResource(MKTAG('D','I','B',' '), *iterator));
+		}
+	}
+
+	Common::Array<uint16> stxt = shardcst->getResourceIDList(MKTAG('S','T','X','T'));
+
+	if (stxt.size() != 0) {
+		Common::Array<uint16>::iterator iterator;
+		for (iterator = stxt.begin(); iterator != stxt.end(); ++iterator) {
+			debugC(3, kDebugLoading, "Shared STXT %d", *iterator);
+			_sharedSTXT->setVal(*iterator, shardcst->getResource(MKTAG('S','T','X','T'), *iterator));
+		}
+	}
+
+	Common::Array<uint16> bmp = shardcst->getResourceIDList(MKTAG('B','I','T','D'));
+
+	if (bmp.size() != 0) {
+		Common::Array<uint16>::iterator iterator;
+		for (iterator = bmp.begin(); iterator != bmp.end(); ++iterator) {
+			_sharedBMP->setVal(*iterator, shardcst->getResource(MKTAG('B','I','T','D'), *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