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/* ScummVM Tools
*
* ScummVM Tools 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/>.
*
*/
#include "common/file.h"
#include "common/str.h"
#include "extract_asylum.h"
// based on scummvm/engines/asylum/respack.cpp
#define MAKE_RESOURCE(pack, index) (ResourceId)((((pack) << 16) + 0x80000000) + (unsigned int)(index))
ExtractAsylum::ExtractAsylum(const std::string &name) : Tool(name, TOOLTYPE_EXTRACTION) {
ToolInput input;
input.format = "*.*";
_inputPaths.push_back(input);
_outputToDirectory = true;
_shorthelp = "Used to extract Sanitarium resource packs.";
_helptext = "\nUsage: " + getName() + " [-o /path/to/output/dir/] [-R <resourceindex>] <resourcepack>\n";
_supportsProgressBar = true;
_packId = 0;
_resInd = -1;
}
InspectionMatch ExtractAsylum::inspectInput(const Common::Filename &filename) {
std::string file = filename.getFullName();
if (!strncmp(file.c_str(), "RES.", 4) || !strncmp(file.c_str(), "MUS.", 4))
return IMATCH_PERFECT;
return IMATCH_AWFUL;
}
void ExtractAsylum::parseExtraArguments() {
if (!_arguments.empty()) {
if (_arguments.front() == "-R") {
_arguments.pop_front();
_resInd = atoi(_arguments.front().c_str());
_arguments.pop_front();
}
}
}
void ExtractAsylum::execute() {
initPack(_inputPaths[0].path);
if (_resInd >= 0) {
dumpResource(_resInd);
} else {
for (uint i = 0; i < _resources.size(); i++) {
dumpResource(i);
updateProgress(i, _resources.size());
}
}
}
void ExtractAsylum::initPack(const Common::Filename &filename) {
_packFile.open(filename, "rb");
if (!_packFile.isOpen())
error("[ExtractAsylum::initPack] Could not open resource file: %s", filename.getFullName().c_str());
_packId = atoi(strchr(filename.getFullName().c_str(), '.') + 1);
uint32 entryCount = _packFile.readUint32LE();
_resources.resize(entryCount);
uint32 prevOffset = _packFile.readUint32LE();
uint32 nextOffset = 0;
for (uint32 i = 0; i < entryCount; i++) {
ResourceEntry entry;
entry.offset = prevOffset;
// Read the offset of the next entry to determine the size of this one
nextOffset = (i < entryCount - 1) ? _packFile.readUint32LE() : (uint32)_packFile.size();
entry.size = (nextOffset > 0) ? nextOffset - prevOffset : (uint32)_packFile.size() - prevOffset;
entry.data = NULL;
_resources[i] = entry;
prevOffset = nextOffset;
}
}
void ExtractAsylum::dumpResource(int resInd) {
struct ResourceEntry *entry = &_resources[resInd];
ResourceId resourceId = MAKE_RESOURCE(_packId, resInd);
if (!entry->offset)
return;
entry->data = new byte[entry->size];
if (entry->data == NULL) {
warning("[ExtractAsylum::dumpResource] Could not allocate memory for resource 0x%X", resourceId);
return;
}
_packFile.seek(entry->offset, SEEK_SET);
_packFile.read_noThrow(entry->data, entry->size);
const char *extension;
if (!strncmp((char *)entry->data, "RIFF", 4)) {
extension = "WAV";
} else if (!strncmp((char *)entry->data, "D3GR", 4)) {
if (entry->size == 800)
extension = "PAL";
else
extension = "D3GR";
} else if (*(entry->data + entry->size - 1) == '\0') {
extension = "TXT";
} else {
extension = "BIN";
}
Common::File fout;
_outputPath.setFullName(Common::String::format("%X.%s", resourceId, extension).c_str());
fout.open(_outputPath, "wb");
fout.write(entry->data, entry->size);
fout.close();
delete[] entry->data;
}
#ifdef STANDALONE_MAIN
int main(int argc, char *argv[]) {
ExtractAsylum asylum(argv[0]);
return asylum.run(argc, argv);
}
#endif
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