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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 "glk/blorb.h"
namespace Glk {
enum {
ID_FORM = MKTAG('F', 'O', 'R', 'M'),
ID_IFRS = MKTAG('I', 'F', 'R', 'S'),
ID_RIdx = MKTAG('R', 'I', 'd', 'x'),
ID_Snd = MKTAG('S', 'n', 'd', ' '),
ID_Exec = MKTAG('E', 'x', 'e', 'c'),
ID_Pict = MKTAG('P', 'i', 'c', 't'),
ID_Data = MKTAG('D', 'a', 't', 'a'),
ID_Copyright = MKTAG('(', 'c', ')', ' '),
ID_AUTH = MKTAG('A', 'U', 'T', 'H'),
ID_ANNO = MKTAG('A', 'N', 'N', 'O'),
ID_JPEG = MKTAG('J', 'P', 'E', 'G'),
ID_PNG = MKTAG('P', 'N', 'G', ' '),
ID_Rect = MKTAG('R', 'e', 'c', 't'),
ID_MIDI = MKTAG('M', 'I', 'D', 'I'),
ID_MP3 = MKTAG('M', 'P', '3', ' '),
ID_WAVE = MKTAG('W', 'A', 'V', 'E'),
ID_AIFF = MKTAG('A', 'I', 'F', 'F'),
ID_OGG = MKTAG('O', 'G', 'G', ' '),
ID_MOD = MKTAG('M', 'O', 'D', ' ')
};
/*--------------------------------------------------------------------------*/
Blorb::Blorb(const Common::String &filename, InterpreterType interpType) :
Common::Archive(), _filename(filename), _interpType(interpType) {
if (load() != Common::kNoError)
error("Could not parse blorb file");
}
Blorb::Blorb(const Common::FSNode &fileNode, InterpreterType interpType) :
Common::Archive(), _fileNode(fileNode), _interpType(interpType) {
if (load() != Common::kNoError)
error("Could not parse blorb file");
}
bool Blorb::hasFile(const Common::String &name) const {
for (uint idx = 0; idx < _chunks.size(); ++idx) {
if (_chunks[idx]._filename.equalsIgnoreCase(name))
return true;
}
return false;
}
int Blorb::listMembers(Common::ArchiveMemberList &list) const {
for (uint idx = 0; idx < _chunks.size(); ++idx) {
list.push_back(Common::ArchiveMemberList::value_type(new Common::GenericArchiveMember(_chunks[idx]._filename, this)));
}
return (int)_chunks.size();
}
const Common::ArchiveMemberPtr Blorb::getMember(const Common::String &name) const {
if (!hasFile(name))
return Common::ArchiveMemberPtr();
return Common::ArchiveMemberPtr(new Common::GenericArchiveMember(name, this));
}
Common::SeekableReadStream *Blorb::createReadStreamForMember(const Common::String &name) const {
for (uint idx = 0; idx < _chunks.size(); ++idx) {
if (_chunks[idx]._filename.equalsIgnoreCase(name)) {
Common::File f;
if ((!_filename.empty() && !f.open(_filename)) ||
(_filename.empty() && !f.open(_fileNode)))
error("Reading failed");
f.seek(_chunks[idx]._offset);
Common::SeekableReadStream *result = f.readStream(_chunks[idx]._size);
f.close();
return result;
}
}
return nullptr;
}
Common::ErrorCode Blorb::load() {
// First, chew through the file and index the chunks
Common::File f;
if ((!_filename.empty() && !f.open(_filename)) ||
(_filename.empty() && !f.open(_fileNode)) ||
f.size() < 12)
return Common::kReadingFailed;
if (f.readUint32BE() != ID_FORM)
return Common::kReadingFailed;
f.readUint32BE();
if (f.readUint32BE() != ID_IFRS)
return Common::kReadingFailed;
if (f.readUint32BE() != ID_RIdx)
return Common::kReadingFailed;
f.readUint32BE();
uint count = f.readUint32BE();
// First read in the resource index
for (uint idx = 0; idx < count; ++idx) {
ChunkEntry ce;
ce._type = f.readUint32BE();
ce._number = f.readUint32BE();
ce._offset = f.readUint32BE();
_chunks.push_back(ce);
}
// Further iterate through the resources
for (uint idx = 0; idx < _chunks.size(); ++idx) {
ChunkEntry &ce = _chunks[idx];
f.seek(ce._offset);
ce._offset += 8;
ce._id = f.readUint32BE();
ce._size = f.readUint32BE();
if (ce._type == ID_Pict) {
ce._filename = Common::String::format("pic%u", ce._number);
if (ce._id == ID_JPEG)
ce._filename += ".jpg";
else if (ce._id == ID_PNG)
ce._filename += ".png";
else if (ce._id == ID_Rect)
ce._filename += ".rect";
} else if (ce._type == ID_Snd) {
ce._filename = Common::String::format("sound%u", ce._number);
if (ce._id == ID_MIDI)
ce._filename += ".midi";
else if (ce._id == ID_MP3)
ce._filename += ".mp3";
else if (ce._id == ID_WAVE)
ce._filename += ".wav";
else if (ce._id == ID_AIFF || ce._id == ID_FORM)
ce._filename += ".aiff";
else if (ce._id == ID_OGG)
ce._filename += ".ogg";
else if (ce._id == ID_MOD)
ce._filename += ".mod";
} else if (ce._type == ID_Data) {
ce._filename = Common::String::format("data%u", ce._number);
} else if (ce._type == ID_Exec) {
char buffer[5];
WRITE_BE_UINT32(buffer, ce._id);
buffer[4] = '\0';
Common::String type(buffer);
if (
(_interpType == INTERPRETER_FROTZ && type == "ZCOD") ||
(_interpType == INTERPRETER_GLULXE && type == "GLUL") ||
(_interpType == INTERPRETER_TADS2 && type == "TAD2") ||
(_interpType == INTERPRETER_TADS3 && type == "TAD3") ||
(_interpType == INTERPRETER_HUGO && type == "HUGO") ||
(_interpType == INTERPRETER_SCOTT && type == "SAAI")
) {
// Game executable
ce._filename = "game";
} else {
ce._filename = type;
}
}
}
return Common::kNoError;
}
bool Blorb::isBlorb(const Common::String &filename) {
return filename.hasSuffixIgnoreCase(".blorb") || filename.hasSuffixIgnoreCase(".zblorb")
|| filename.hasSuffixIgnoreCase(".gblorb") || filename.hasSuffixIgnoreCase(".blb");
}
} // End of namespace Glk
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