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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 "bladerunner/savefile.h"
#include "bladerunner/bladerunner.h"
#include "bladerunner/boundingbox.h"
#include "bladerunner/vector.h"
#include "common/rect.h"
#include "common/savefile.h"
#include "common/system.h"
#include "graphics/thumbnail.h"
namespace BladeRunner {
SaveStateList SaveFileManager::list(const Common::String &target) {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray files = saveFileMan->listSavefiles(target + ".###");
SaveStateList saveList;
for (Common::StringArray::const_iterator fileName = files.begin(); fileName != files.end(); ++fileName) {
Common::InSaveFile *saveFile = saveFileMan->openForLoading(*fileName);
if (saveFile == nullptr || saveFile->err()) {
delete saveFile;
continue;
}
BladeRunner::SaveFileHeader header;
readHeader(*saveFile, header);
int slotNum = atoi(fileName->c_str() + fileName->size() - 3);
saveList.push_back(SaveStateDescriptor(slotNum, header._name));
delete saveFile;
}
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
SaveStateDescriptor SaveFileManager::queryMetaInfos(const Common::String &target, int slot) {
Common::String filename = Common::String::format("%s.%03d", target.c_str(), slot);
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(filename);
if (saveFile == nullptr || saveFile->err()) {
return SaveStateDescriptor();
}
BladeRunner::SaveFileHeader header;
if (!BladeRunner::SaveFileManager::readHeader(*saveFile, header, false)) {
delete saveFile;
return SaveStateDescriptor();
}
delete saveFile;
SaveStateDescriptor desc(slot, header._name);
desc.setThumbnail(header._thumbnail);
desc.setSaveDate(header._year, header._month, header._day);
desc.setSaveTime(header._hour, header._minute);
return desc;
}
Common::InSaveFile *SaveFileManager::openForLoading(const Common::String &target, int slot) {
Common::String filename = Common::String::format("%s.%03d", target.c_str(), slot);
return g_system->getSavefileManager()->openForLoading(filename);
}
Common::OutSaveFile *SaveFileManager::openForSaving(const Common::String &target, int slot) {
Common::String filename = Common::String::format("%s.%03d", target.c_str(), slot);
return g_system->getSavefileManager()->openForSaving(filename);
}
void SaveFileManager::remove(const Common::String &target, int slot) {
Common::String filename = Common::String::format("%s.%03d", target.c_str(), slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
bool SaveFileManager::readHeader(Common::SeekableReadStream &in, SaveFileHeader &header, bool skipThumbnail) {
SaveFileReadStream s(in);
if (s.readUint32BE() != kTag) {
warning("No header found in save file");
return false;
}
header._version = s.readByte();
if (header._version != kVersion) {
warning("Unsupported version of save file %u, supported is %u", header._version, kVersion);
return false;
}
header._name = s.readStringSz(kNameLength);
header._year = s.readUint16LE();
header._month = s.readUint16LE();
header._day = s.readUint16LE();
header._hour = s.readUint16LE();
header._minute = s.readUint16LE();
header._thumbnail = nullptr;
// Early check of possible corrupted save file (missing thumbnail and other data)
int32 pos = s.pos();
int32 sizeOfSaveFile = s.size();
if (sizeOfSaveFile > 0 && sizeOfSaveFile < (int32) (pos + 4 + kThumbnailSize)) {
warning("Unexpected end of save file %s (%02d:%02d %02d/%02d/%04d) reached. Size of file was: %d bytes",
header._name.c_str(),
header._hour,
header._minute,
header._day,
header._month,
header._year,
sizeOfSaveFile);
return false;
}
if (!skipThumbnail) {
header._thumbnail = new Graphics::Surface(); // freed by ScummVM's smartptr
s.skip(4); //skip size;
void *thumbnailData = malloc(kThumbnailSize); // freed by ScummVM's smartptr
s.read(thumbnailData, kThumbnailSize);
header._thumbnail->init(80, 60, 160, thumbnailData, gameDataPixelFormat());
header._thumbnail->convertToInPlace(screenPixelForrmat());
s.seek(pos);
}
return true;
}
bool SaveFileManager::writeHeader(Common::WriteStream &out, SaveFileHeader &header) {
SaveFileWriteStream s(out);
s.writeUint32BE(kTag);
s.writeByte(kVersion);
s.writeStringSz(header._name, kNameLength);
TimeDate td;
g_system->getTimeAndDate(td);
s.writeUint16LE(td.tm_year + 1900);
s.writeUint16LE(td.tm_mon + 1);
s.writeUint16LE(td.tm_mday);
s.writeUint16LE(td.tm_hour);
s.writeUint16LE(td.tm_min);
return true;
}
SaveFileWriteStream::SaveFileWriteStream(Common::WriteStream &s) : _s(s) {}
void SaveFileWriteStream::debug(char *p) {
write(p, strlen(p) + 1);
}
void SaveFileWriteStream::padBytes(int count) {
for (int i = 0; i < count; ++i) {
writeByte(0);
}
}
void SaveFileWriteStream::writeInt(int v) {
writeUint32LE(v);
}
void SaveFileWriteStream::writeFloat(float v) {
writeFloatLE(v);
}
void SaveFileWriteStream::writeBool(bool v) {
writeUint32LE(v);
}
void SaveFileWriteStream::writeStringSz(const Common::String &s, uint sz) {
uint32 sizeToWrite = MIN(sz, s.size());
write(s.begin(), sizeToWrite);
if (sizeToWrite < sz) {
padBytes(sz - sizeToWrite);
}
}
void SaveFileWriteStream::writeVector2(const Vector2 &v) {
writeFloatLE(v.x);
writeFloatLE(v.y);
}
void SaveFileWriteStream::writeVector3(const Vector3 &v) {
writeFloatLE(v.x);
writeFloatLE(v.y);
writeFloatLE(v.z);
}
void SaveFileWriteStream::writeRect(const Common::Rect &v) {
writeUint32LE(v.left);
writeUint32LE(v.top);
writeUint32LE(v.right);
writeUint32LE(v.bottom);
}
void SaveFileWriteStream::writeBoundingBox(const BoundingBox &v, bool serialized) {
float x0, y0, z0, x1, y1, z1;
v.getXYZ(&x0, &y0, &z0, &x1, &y1, &z1);
writeFloatLE(x0);
writeFloatLE(y0);
writeFloatLE(z0);
writeFloatLE(x1);
writeFloatLE(y1);
writeFloatLE(z1);
// Bounding boxes have a lot of extra data that's never actually used
int count = serialized ? 96 : 64;
for (int i = 0; i < count; ++i) {
writeFloatLE(0.0f);
}
}
SaveFileReadStream::SaveFileReadStream(Common::SeekableReadStream &s) : _s(s) {}
int SaveFileReadStream::readInt() {
return readUint32LE();
}
float SaveFileReadStream::readFloat() {
return readFloatLE();
}
bool SaveFileReadStream::readBool() {
return readUint32LE();
}
Common::String SaveFileReadStream::readStringSz(uint sz) {
char *buf = new char[sz + 1];
read(buf, sz);
buf[sz] = 0;
Common::String result(buf);
delete[] buf;
return result;
}
Vector2 SaveFileReadStream::readVector2() {
Vector2 result;
result.x = readFloatLE();
result.y = readFloatLE();
return result;
}
Vector3 SaveFileReadStream::readVector3() {
Vector3 result;
result.x = readFloatLE();
result.y = readFloatLE();
result.z = readFloatLE();
return result;
}
Common::Rect SaveFileReadStream::readRect() {
Common::Rect result;
result.left = readUint32LE();
result.top = readUint32LE();
result.right = readUint32LE();
result.bottom = readUint32LE();
return result;
}
BoundingBox SaveFileReadStream::readBoundingBox(bool serialized) {
float x0, y0, z0, x1, y1, z1;
x0 = readFloatLE();
y0 = readFloatLE();
z0 = readFloatLE();
x1 = readFloatLE();
y1 = readFloatLE();
z1 = readFloatLE();
// Bounding boxes have a lot of extra data that's never actually used, and there two formats for storing bounding boxes.
int count = serialized ? 96 : 64;
for (int i = 0; i < count; ++i) {
readFloatLE();
}
return BoundingBox(x0, y0, z0, x1, y1, z1);
}
} // End of namespace BladeRunner
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