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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.
*
* $URL$
* $Id$
*
*/
#include "common/endian.h"
#include "cine/cine.h"
#include "cine/unpack.h"
#include "cine/various.h"
namespace Cine {
uint16 numElementInPart;
PartBuffer *partBuffer;
void loadPart(const char *partName) {
memset(partBuffer, 0, sizeof(PartBuffer) * NUM_MAX_PARTDATA);
numElementInPart = 0;
g_cine->_partFileHandle.close();
checkDataDisk(-1);
if (!g_cine->_partFileHandle.open(partName))
error("loadPart(): Cannot open file %s", partName);
setMouseCursor(MOUSE_CURSOR_DISK);
numElementInPart = g_cine->_partFileHandle.readUint16BE();
g_cine->_partFileHandle.readUint16BE(); // entry size
if (currentPartName != partName)
strcpy(currentPartName, partName);
for (uint16 i = 0; i < numElementInPart; i++) {
g_cine->_partFileHandle.read(partBuffer[i].partName, 14);
partBuffer[i].offset = g_cine->_partFileHandle.readUint32BE();
partBuffer[i].packedSize = g_cine->_partFileHandle.readUint32BE();
partBuffer[i].unpackedSize = g_cine->_partFileHandle.readUint32BE();
g_cine->_partFileHandle.readUint32BE(); // unused
}
if (g_cine->getGameType() == Cine::GType_FW && g_cine->getPlatform() == Common::kPlatformPC && strcmp(partName, "BASESON.SND") != 0)
loadPal(partName);
}
void closePart(void) {
// TODO
}
static void fixVolCnfFileName(char *dst, const uint8 *src) {
memcpy(dst, src, 8);
src += 8;
dst[8] = 0;
char *ext = strchr(dst, ' ');
if (!ext) {
ext = &dst[8];
}
if (*src == ' ') {
*ext = 0;
} else {
*ext++ = '.';
memcpy(ext, src, 3);
char *end = strchr(ext, ' ');
if (!end) {
end = &ext[3];
}
*end = 0;
}
}
void CineEngine::readVolCnf() {
Common::File f;
if (!f.open("vol.cnf")) {
error("Unable to open 'vol.cnf'");
}
bool abaseHeader = false;
uint32 unpackedSize, packedSize;
char hdr[8];
f.read(hdr, 8);
if (memcmp(hdr, "ABASECP", 7) == 0) {
abaseHeader = true;
unpackedSize = f.readUint32BE();
packedSize = f.readUint32BE();
} else {
f.seek(0);
unpackedSize = packedSize = f.size();
}
uint8 *buf = (uint8 *)malloc(unpackedSize);
if (!buf) {
error("Unable to allocate %d bytes", unpackedSize);
}
f.read(buf, packedSize);
if (packedSize != unpackedSize) {
bool b = delphineUnpack(buf, buf, packedSize);
if (!b) {
error("Error while unpacking 'vol.cnf' data");
}
}
const int fileNameLength = abaseHeader ? 11 : 13;
uint8 *p = buf;
int resourceFilesCount = READ_BE_UINT16(p); p += 2;
int entrySize = READ_BE_UINT16(p); p += 2;
for (int i = 0; i < resourceFilesCount; ++i) {
char volumeResourceFile[9];
memcpy(volumeResourceFile, p, 8);
volumeResourceFile[8] = 0;
_volumeResourceFiles.push_back(volumeResourceFile);
p += entrySize;
}
int volumeEntriesCount = 0;
for (int i = 0; i < resourceFilesCount; ++i) {
int size = READ_BE_UINT32(p); p += 4;
assert((size % fileNameLength) == 0);
volumeEntriesCount += size / fileNameLength;
p += size;
}
p = buf + 4 + resourceFilesCount * entrySize;
for (int i = 0; i < resourceFilesCount; ++i) {
int count = READ_BE_UINT32(p) / fileNameLength; p += 4;
while (count--) {
char volumeEntryName[13];
if (abaseHeader) {
fixVolCnfFileName(volumeEntryName, p);
} else {
memcpy(volumeEntryName, p, fileNameLength);
}
_volumeEntriesMap.setVal(volumeEntryName, _volumeResourceFiles[i].c_str());
debugC(5, kCineDebugPart, "Added volume entry name '%s' resource file '%s'", volumeEntryName, _volumeResourceFiles[i].c_str());
p += fileNameLength;
}
}
free(buf);
}
int16 findFileInBundle(const char *fileName) {
if (g_cine->getGameType() == Cine::GType_OS) {
// look first in currently loaded resource file
for (int i = 0; i < numElementInPart; i++) {
if (!scumm_stricmp(fileName, partBuffer[i].partName)) {
return i;
}
}
// not found, open the required resource file
StringPtrHashMap::const_iterator it = g_cine->_volumeEntriesMap.find(fileName);
if (it == g_cine->_volumeEntriesMap.end()) {
warning("Unable to find part file for filename '%s'", fileName);
return -1;
}
const char *part = (*it)._value;
loadPart(part);
}
for (int i = 0; i < numElementInPart; i++) {
if (!scumm_stricmp(fileName, partBuffer[i].partName)) {
return i;
}
}
return -1;
}
void readFromPart(int16 idx, byte *dataPtr) {
setMouseCursor(MOUSE_CURSOR_DISK);
g_cine->_partFileHandle.seek(partBuffer[idx].offset, SEEK_SET);
g_cine->_partFileHandle.read(dataPtr, partBuffer[idx].packedSize);
}
byte *readBundleFile(int16 foundFileIdx) {
assert(foundFileIdx >= 0 && foundFileIdx < numElementInPart);
byte *dataPtr = (byte *)calloc(partBuffer[foundFileIdx].unpackedSize, 1);
if (partBuffer[foundFileIdx].unpackedSize != partBuffer[foundFileIdx].packedSize) {
byte *unpackBuffer = (byte *)malloc(partBuffer[foundFileIdx].packedSize);
readFromPart(foundFileIdx, unpackBuffer);
delphineUnpack(dataPtr, unpackBuffer, partBuffer[foundFileIdx].packedSize);
free(unpackBuffer);
} else {
readFromPart(foundFileIdx, dataPtr);
}
return dataPtr;
}
byte *readBundleSoundFile(const char *entryName, uint32 *size) {
int16 index;
byte *data = 0;
char previousPartName[15] = "";
if (g_cine->getGameType() == Cine::GType_FW) {
strcpy(previousPartName, currentPartName);
loadPart("BASESON.SND");
}
index = findFileInBundle((const char *)entryName);
if (index != -1) {
data = readBundleFile(index);
if (size) {
*size = partBuffer[index].unpackedSize;
}
}
if (g_cine->getGameType() == Cine::GType_FW) {
loadPart(previousPartName);
}
return data;
}
byte *readFile(const char *filename) {
Common::File in;
in.open(filename);
if (!in.isOpen())
error("readFile(): Cannot open file %s", filename);
uint32 size = in.size();
byte *dataPtr = (byte *)malloc(size);
in.read(dataPtr, size);
return dataPtr;
}
void checkDataDisk(int16 param) {
}
void dumpBundle(const char *fileName) {
char tmpPart[15];
strcpy(tmpPart, currentPartName);
loadPart(fileName);
for (int i = 0; i < numElementInPart; i++) {
byte *data = readBundleFile(i);
debug(0, "%s", partBuffer[i].partName);
Common::File out;
if (out.open(Common::String("dumps/") + partBuffer[i].partName, Common::File::kFileWriteMode)) {
out.write(data, partBuffer[i].unpackedSize);
out.close();
}
free(data);
}
loadPart(tmpPart);
}
} // End of namespace Cine
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