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recorderfile.cpp
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812 lines (764 loc) · 23.4 KB
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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 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/system.h"
#include "gui/EventRecorder.h"
#include "common/md5.h"
#include "common/recorderfile.h"
#include "common/savefile.h"
#include "common/bufferedstream.h"
#include "graphics/thumbnail.h"
#include "graphics/surface.h"
#include "graphics/scaler.h"
#define RECORD_VERSION 1
namespace Common {
PlaybackFile::PlaybackFile()
: _tmpBuffer(kRecordBuffSize)
, _tmpRecordFile(_tmpBuffer.data(), kRecordBuffSize)
, _tmpPlaybackFile(_tmpBuffer.data(), kRecordBuffSize) {
_readStream = NULL;
_writeStream = NULL;
_screenshotsFile = NULL;
_mode = kClosed;
_recordFile = 0;
_headerDumped = false;
_recordCount = 0;
_eventsSize = 0;
_version = RECORD_VERSION;
memset(_tmpBuffer.data(), 1, kRecordBuffSize);
_playbackParseState = kFileStateCheckFormat;
}
PlaybackFile::~PlaybackFile() {
close();
}
bool PlaybackFile::openWrite(const String &fileName) {
close();
if (fileName.contains("/")) {
error("Filename may not contain a path");
}
_header.fileName = fileName;
_writeStream = wrapBufferedWriteStream(g_system->getSavefileManager()->openForSaving(fileName), 128 * 1024);
_headerDumped = false;
_recordCount = 0;
if (_writeStream == NULL) {
return false;
}
_mode = kWrite;
return true;
}
bool PlaybackFile::openRead(const String &fileName) {
close();
_header.fileName = fileName;
_eventsSize = 0;
_tmpPlaybackFile.seek(0);
_readStream = wrapBufferedSeekableReadStream(g_system->getSavefileManager()->openForLoading(fileName), 128 * 1024, DisposeAfterUse::YES);
if (_readStream == NULL) {
debugC(1, kDebugLevelEventRec, "playback:action=\"Load File\" result=fail reason=\"file %s not found\"", fileName.c_str());
return false;
}
if (!parseHeader()) {
debugC(1, kDebugLevelEventRec, "playback:action=\"Load File\" result=fail reason=\"header parsing failed\"");
return false;
}
_screenshotsFile = wrapBufferedWriteStream(g_system->getSavefileManager()->openForSaving("screenshots.bin"), 128 * 1024);
debugC(1, kDebugLevelEventRec, "playback:action=\"Load File\" result=success");
_mode = kRead;
return true;
}
void PlaybackFile::close() {
delete _readStream;
_readStream = NULL;
if (_writeStream != NULL) {
dumpRecordsToFile();
_writeStream->finalize();
delete _writeStream;
_writeStream = NULL;
updateHeader();
}
if (_screenshotsFile != NULL) {
_screenshotsFile->finalize();
delete _screenshotsFile;
_screenshotsFile = NULL;
}
for (auto &saveFile : _header.saveFiles) {
free(saveFile._value.buffer);
}
_header.saveFiles.clear();
_mode = kClosed;
}
bool PlaybackFile::parseHeader() {
ChunkHeader nextChunk;
_playbackParseState = kFileStateCheckFormat;
if (!readChunkHeader(nextChunk)) {
_playbackParseState = kFileStateError;
return false;
}
while ((_playbackParseState != kFileStateDone) && (_playbackParseState != kFileStateError)) {
if (processChunk(nextChunk)) {
if (!readChunkHeader(nextChunk)) {
warning("Error in header parsing");
_playbackParseState = kFileStateError;
}
}
}
return _playbackParseState == kFileStateDone;
}
bool PlaybackFile::checkPlaybackFileVersion() {
_version = _readStream->readUint32BE();
switch (_version) {
case 1:
break;
default:
warning("Unknown playback file version %d. Maximum supported version is %d.", _version, RECORD_VERSION);
return false;
}
if (_version != RECORD_VERSION) {
warning("This playback file uses version %d, and may not be accurate. You can re-record the file in version %d format using --record-mode=update", _version, RECORD_VERSION);
}
return true;
}
String PlaybackFile::readString(int len) {
String result;
char buf[50];
int readSize = 49;
while (len > 0) {
if (len <= 49) {
readSize = len;
}
_readStream->read(buf, readSize);
buf[readSize] = 0;
result += buf;
len -= readSize;
}
return result;
}
bool PlaybackFile::readChunkHeader(PlaybackFile::ChunkHeader &nextChunk) {
nextChunk.id = (FileTag)_readStream->readUint32BE();
nextChunk.len = _readStream->readUint32BE();
return !_readStream->err() && !_readStream->eos();
}
bool PlaybackFile::processChunk(ChunkHeader &nextChunk) {
switch (_playbackParseState) {
case kFileStateCheckFormat:
if (nextChunk.id == kFormatIdTag) {
_playbackParseState = kFileStateCheckVersion;
} else {
warning("Unknown playback file signature");
_playbackParseState = kFileStateError;
}
break;
case kFileStateCheckVersion:
if ((nextChunk.id == kVersionTag) && checkPlaybackFileVersion()) {
_playbackParseState = kFileStateSelectSection;
} else {
_playbackParseState = kFileStateError;
}
break;
case kFileStateSelectSection:
switch (nextChunk.id) {
case kHeaderSectionTag:
_playbackParseState = kFileStateProcessHeader;
break;
case kHashSectionTag:
_playbackParseState = kFileStateProcessHash;
break;
case kRandomSectionTag:
_playbackParseState = kFileStateProcessRandom;
break;
case kEventTag:
case kScreenShotTag:
_readStream->seek(-8, SEEK_CUR);
_playbackParseState = kFileStateDone;
return false;
case kSaveTag:
_playbackParseState = kFileStateProcessSave;
break;
case kSettingsSectionTag:
_playbackParseState = kFileStateProcessSettings;
warning("Loading record header");
break;
default:
_readStream->skip(nextChunk.len);
break;
}
break;
case kFileStateProcessSave:
if (nextChunk.id == kSaveRecordTag) {
readSaveRecord();
} else {
_playbackParseState = kFileStateSelectSection;
return false;
}
break;
case kFileStateProcessHeader:
switch (nextChunk.id) {
case kAuthorTag:
_header.author = readString(nextChunk.len);
break;
case kCommentsTag:
_header.notes = readString(nextChunk.len);
break;
case kNameTag:
_header.name = readString(nextChunk.len);
break;
default:
_playbackParseState = kFileStateSelectSection;
return false;
}
break;
case kFileStateProcessHash:
if (nextChunk.id == kHashRecordTag) {
readHashMap(nextChunk);
} else {
_playbackParseState = kFileStateSelectSection;
return false;
}
break;
case kFileStateProcessRandom:
if (nextChunk.id == kRandomRecordTag) {
processRndSeedRecord(nextChunk);
} else {
_playbackParseState = kFileStateSelectSection;
return false;
}
break;
case kFileStateProcessSettings:
if (nextChunk.id == kSettingsRecordTag) {
if (!processSettingsRecord()) {
_playbackParseState = kFileStateError;
return false;
}
} else {
_playbackParseState = kFileStateSelectSection;
return false;
}
break;
default:
return false;
}
return true;
}
void PlaybackFile::returnToChunkHeader() {
_readStream->seek(-8, SEEK_CUR);
}
void PlaybackFile::readHashMap(ChunkHeader chunk) {
String hashName = readString(chunk.len - 32);
String hashMd5 = readString(32);
_header.hashRecords[hashName] = hashMd5;
}
void PlaybackFile::processRndSeedRecord(ChunkHeader chunk) {
String randomSourceName = readString(chunk.len - 4);
uint32 randomSourceSeed = _readStream->readUint32BE();
_header.randomSourceRecords[randomSourceName] = randomSourceSeed;
}
bool PlaybackFile::processSettingsRecord() {
ChunkHeader keyChunk;
if (!readChunkHeader(keyChunk) || (keyChunk.id != kSettingsRecordKeyTag)) {
warning("Invalid format of settings section");
return false;
}
String key = readString(keyChunk.len);
ChunkHeader valueChunk;
if (!readChunkHeader(valueChunk) || (valueChunk.id != kSettingsRecordValueTag)) {
warning("Invalid format of settings section");
return false;
}
String value = readString(valueChunk.len);
_header.settingsRecords[key] = value;
return true;
}
bool PlaybackFile::readSaveRecord() {
ChunkHeader fileNameChunk;
if (!readChunkHeader(fileNameChunk) || (fileNameChunk.id != kSaveRecordNameTag)) {
warning("Invalid format of save section");
return false;
}
String fileName = readString(fileNameChunk.len);
ChunkHeader saveBufferChunk;
if (!readChunkHeader(saveBufferChunk) || (saveBufferChunk.id != kSaveRecordBufferTag)) {
warning("Invalid format of save section");
return false;
}
SaveFileBuffer buf;
buf.size = saveBufferChunk.len;
buf.buffer = (byte *)malloc(saveBufferChunk.len);
_readStream->read(buf.buffer, buf.size);
_header.saveFiles[fileName] = buf;
debugC(1, kDebugLevelEventRec, "playback:action=\"Load save file\" filename=%s len=%d", fileName.c_str(), buf.size);
return true;
}
bool PlaybackFile::hasNextEvent() const {
if (_readStream->err()) {
return false;
}
return !_readStream->eos();
}
RecorderEvent PlaybackFile::getNextEvent() {
if (!hasNextEvent()) {
debug(3, "end of recorder file reached.");
g_system->quit();
}
assert(_mode == kRead);
if (isEventsBufferEmpty()) {
PlaybackFile::ChunkHeader header;
header.id = kFormatIdTag;
while (header.id != kEventTag) {
if (!readChunkHeader(header) || _readStream->eos()) {
break;
}
switch (header.id) {
case kEventTag:
readEventsToBuffer(header.len);
break;
case kScreenShotTag:
_readStream->seek(-4, SEEK_CUR);
header.len = _readStream->readUint32BE();
_readStream->skip(header.len - 8);
break;
case kMD5Tag:
checkRecordedMD5();
break;
default:
_readStream->skip(header.len);
break;
}
}
}
RecorderEvent result;
readEvent(result);
return result;
}
bool PlaybackFile::isEventsBufferEmpty() const {
return (uint32)_tmpPlaybackFile.pos() == _eventsSize;
}
void PlaybackFile::readEvent(RecorderEvent& event) {
event.recordedtype = (RecorderEventType)_tmpPlaybackFile.readByte();
switch (event.recordedtype) {
case kRecorderEventTypeTimer:
event.time = _tmpPlaybackFile.readUint32BE();
break;
case kRecorderEventTypeTimeDate:
event.timeDate.tm_sec = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_min = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_hour = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_mday = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_mon = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_year = _tmpPlaybackFile.readSint32BE();
event.timeDate.tm_wday = _tmpPlaybackFile.readSint32BE();
break;
case kRecorderEventTypeScreenUpdate:
event.time = _tmpPlaybackFile.readUint32BE();
break;
default:
// fallthrough intended
case kRecorderEventTypeNormal:
event.type = (EventType)_tmpPlaybackFile.readUint32BE();
switch (event.type) {
case EVENT_KEYDOWN:
event.kbdRepeat = _tmpPlaybackFile.readByte();
// fallthrough
case EVENT_KEYUP:
event.time = _tmpPlaybackFile.readUint32BE();
event.kbd.keycode = (KeyCode)_tmpPlaybackFile.readSint32BE();
event.kbd.ascii = _tmpPlaybackFile.readUint16BE();
event.kbd.flags = _tmpPlaybackFile.readByte();
break;
case EVENT_MOUSEMOVE:
case EVENT_LBUTTONDOWN:
case EVENT_LBUTTONUP:
case EVENT_RBUTTONDOWN:
case EVENT_RBUTTONUP:
case EVENT_WHEELUP:
case EVENT_WHEELDOWN:
case EVENT_MBUTTONDOWN:
case EVENT_MBUTTONUP:
case EVENT_X1BUTTONDOWN:
case EVENT_X1BUTTONUP:
case EVENT_X2BUTTONDOWN:
case EVENT_X2BUTTONUP:
event.time = _tmpPlaybackFile.readUint32BE();
event.mouse.x = _tmpPlaybackFile.readSint16BE();
event.mouse.y = _tmpPlaybackFile.readSint16BE();
break;
case EVENT_CUSTOM_BACKEND_ACTION_START:
case EVENT_CUSTOM_BACKEND_ACTION_END:
case EVENT_CUSTOM_ENGINE_ACTION_START:
case EVENT_CUSTOM_ENGINE_ACTION_END:
event.time = _tmpPlaybackFile.readUint32BE();
event.customType = _tmpPlaybackFile.readUint32BE();
break;
case EVENT_JOYAXIS_MOTION:
case EVENT_JOYBUTTON_UP:
case EVENT_JOYBUTTON_DOWN:
event.time = _tmpPlaybackFile.readUint32BE();
event.joystick.axis = _tmpPlaybackFile.readByte();
event.joystick.button = _tmpPlaybackFile.readByte();
event.joystick.position = _tmpPlaybackFile.readSint16BE();
break;
default:
event.time = _tmpPlaybackFile.readUint32BE();
break;
}
break;
}
debug(3, "read event of recordedtype: %i, type: %i (time: %u, systemmillis: %u)",
event.recordedtype, event.type, event.time, g_system->getMillis(true));
}
void PlaybackFile::readEventsToBuffer(uint32 size) {
_readStream->read(_tmpBuffer.data(), size);
_tmpPlaybackFile.seek(0);
_eventsSize = size;
}
void PlaybackFile::saveScreenShot(Graphics::Surface &screen, byte md5[16]) {
dumpRecordsToFile();
_writeStream->writeUint32BE(kMD5Tag);
_writeStream->writeUint32BE(16);
_writeStream->write(md5, 16);
Graphics::saveThumbnail(*_writeStream, screen);
}
void PlaybackFile::dumpRecordsToFile() {
if (!_headerDumped) {
dumpHeaderToFile();
_headerDumped = true;
}
if (_recordCount == 0) {
return;
}
_writeStream->writeUint32BE(kEventTag);
_writeStream->writeUint32BE(_tmpRecordFile.pos());
_writeStream->write(_tmpBuffer.data(), _tmpRecordFile.pos());
_tmpRecordFile.seek(0);
_recordCount = 0;
}
void PlaybackFile::dumpHeaderToFile() {
_writeStream->writeUint32BE(kFormatIdTag);
// Specify size for first tag as NULL since we cannot calculate
// size of the file at time of the header dumping
_writeStream->writeUint32BE(0);
_writeStream->writeUint32BE(kVersionTag);
_writeStream->writeUint32BE(4);
_writeStream->writeUint32BE(RECORD_VERSION);
writeHeaderSection();
writeGameHash();
writeRandomRecords();
writeGameSettings();
writeSaveFilesSection();
}
void PlaybackFile::writeHeaderSection() {
uint32 headerSize = 0;
if (!_header.author.empty()) {
headerSize = _header.author.size() + 8;
}
if (!_header.notes.empty()) {
headerSize += _header.notes.size() + 8;
}
if (!_header.name.empty()) {
headerSize += _header.name.size() + 8;
}
if (headerSize == 0) {
return;
}
_writeStream->writeUint32BE(kHeaderSectionTag);
_writeStream->writeUint32BE(headerSize);
if (!_header.author.empty()) {
_writeStream->writeUint32BE(kAuthorTag);
_writeStream->writeUint32BE(_header.author.size());
_writeStream->writeString(_header.author);
}
if (!_header.notes.empty()) {
_writeStream->writeUint32BE(kCommentsTag);
_writeStream->writeUint32BE(_header.notes.size());
_writeStream->writeString(_header.notes);
}
if (!_header.name.empty()) {
_writeStream->writeUint32BE(kNameTag);
_writeStream->writeUint32BE(_header.name.size());
_writeStream->writeString(_header.name);
}
}
void PlaybackFile::writeGameHash() {
uint32 hashSectionSize = 0;
for (auto &record : _header.hashRecords) {
hashSectionSize = hashSectionSize + record._key.size() + record._value.size() + 8;
}
if (_header.hashRecords.size() == 0) {
return;
}
_writeStream->writeUint32BE(kHashSectionTag);
_writeStream->writeUint32BE(hashSectionSize);
for (auto &record : _header.hashRecords) {
_writeStream->writeUint32BE(kHashRecordTag);
_writeStream->writeUint32BE(record._key.size() + record._value.size());
_writeStream->writeString(record._key);
_writeStream->writeString(record._value);
}
}
void PlaybackFile::writeRandomRecords() {
uint32 randomSectionSize = 0;
for (auto &record : _header.randomSourceRecords) {
randomSectionSize = randomSectionSize + record._key.size() + 12;
}
if (_header.randomSourceRecords.size() == 0) {
return;
}
_writeStream->writeUint32BE(kRandomSectionTag);
_writeStream->writeUint32BE(randomSectionSize);
for (auto &record : _header.randomSourceRecords) {
_writeStream->writeUint32BE(kRandomRecordTag);
_writeStream->writeUint32BE(record._key.size() + 4);
_writeStream->writeString(record._key);
_writeStream->writeUint32BE(record._value);
}
}
void PlaybackFile::writeEvent(const RecorderEvent &event) {
assert(_mode == kWrite);
_recordCount++;
_tmpRecordFile.writeByte(event.recordedtype);
switch (event.recordedtype) {
case kRecorderEventTypeTimer:
_tmpRecordFile.writeUint32BE(event.time);
break;
case kRecorderEventTypeTimeDate:
_tmpRecordFile.writeSint32BE(event.timeDate.tm_sec);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_min);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_hour);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_mday);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_mon);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_year);
_tmpRecordFile.writeSint32BE(event.timeDate.tm_wday);
break;
case kRecorderEventTypeScreenUpdate:
_tmpRecordFile.writeUint32BE(event.time);
break;
default:
// fallthrough intended
case kRecorderEventTypeNormal:
_tmpRecordFile.writeUint32BE((uint32)event.type);
switch(event.type) {
case EVENT_KEYDOWN:
_tmpRecordFile.writeByte(event.kbdRepeat);
// fallthrough
case EVENT_KEYUP:
_tmpRecordFile.writeUint32BE(event.time);
_tmpRecordFile.writeSint32BE(event.kbd.keycode);
_tmpRecordFile.writeUint16BE(event.kbd.ascii);
_tmpRecordFile.writeByte(event.kbd.flags);
break;
case EVENT_MOUSEMOVE:
case EVENT_LBUTTONDOWN:
case EVENT_LBUTTONUP:
case EVENT_RBUTTONDOWN:
case EVENT_RBUTTONUP:
case EVENT_WHEELUP:
case EVENT_WHEELDOWN:
case EVENT_MBUTTONDOWN:
case EVENT_MBUTTONUP:
case EVENT_X1BUTTONDOWN:
case EVENT_X1BUTTONUP:
case EVENT_X2BUTTONDOWN:
case EVENT_X2BUTTONUP:
_tmpRecordFile.writeUint32BE(event.time);
_tmpRecordFile.writeSint16BE(event.mouse.x);
_tmpRecordFile.writeSint16BE(event.mouse.y);
break;
case EVENT_CUSTOM_BACKEND_ACTION_START:
case EVENT_CUSTOM_BACKEND_ACTION_END:
case EVENT_CUSTOM_ENGINE_ACTION_START:
case EVENT_CUSTOM_ENGINE_ACTION_END:
_tmpRecordFile.writeUint32BE(event.time);
_tmpRecordFile.writeUint32BE(event.customType);
break;
case EVENT_JOYAXIS_MOTION:
case EVENT_JOYBUTTON_UP:
case EVENT_JOYBUTTON_DOWN:
_tmpRecordFile.writeUint32BE(event.time);
_tmpRecordFile.writeByte(event.joystick.axis);
_tmpRecordFile.writeByte(event.joystick.button);
_tmpRecordFile.writeSint16BE(event.joystick.position);
break;
default:
_tmpRecordFile.writeUint32BE(event.time);
break;
}
break;
}
if (_recordCount == kMaxBufferedRecords) {
dumpRecordsToFile();
}
debug(3, "write event of recordedtype: %i, type: %i (time: %u, systemmillis: %u)",
event.recordedtype, event.type, event.time, g_system->getMillis(true));
}
void PlaybackFile::writeGameSettings() {
_writeStream->writeUint32BE(kSettingsSectionTag);
uint32 settingsSectionSize = 0;
for (auto &record : _header.settingsRecords) {
settingsSectionSize += record._key.size() + record._value.size() + 24;
}
_writeStream->writeUint32BE(settingsSectionSize);
for (auto &record : _header.settingsRecords) {
_writeStream->writeUint32BE(kSettingsRecordTag);
_writeStream->writeUint32BE(record._key.size() + record._value.size() + 16);
_writeStream->writeUint32BE(kSettingsRecordKeyTag);
_writeStream->writeUint32BE(record._key.size());
_writeStream->writeString(record._key);
_writeStream->writeUint32BE(kSettingsRecordValueTag);
_writeStream->writeUint32BE(record._value.size());
_writeStream->writeString(record._value);
}
}
int PlaybackFile::getScreensCount() {
if (_mode != kRead) {
return 0;
}
_readStream->seek(0);
int result = 0;
while (skipToNextScreenshot()) {
uint32 size = _readStream->readUint32BE();
_readStream->skip(size - 8);
++result;
}
return result;
}
bool PlaybackFile::skipToNextScreenshot() {
while (!_readStream->eos() && !_readStream->err()) {
FileTag id = (FileTag)_readStream->readUint32BE();
if (_readStream->eos() || _readStream->err()) {
break;
}
if (id == kScreenShotTag) {
return true;
}
uint32 size = _readStream->readUint32BE();
_readStream->skip(size);
}
return false;
}
Graphics::Surface *PlaybackFile::getScreenShot(int number) {
if (_mode != kRead) {
return NULL;
}
_readStream->seek(0);
int screenCount = 1;
while (skipToNextScreenshot()) {
if (screenCount == number) {
screenCount++;
_readStream->seek(-4, SEEK_CUR);
Graphics::Surface *thumbnail = nullptr;
return Graphics::loadThumbnail(*_readStream, thumbnail) ? thumbnail : NULL;
} else {
uint32 size = _readStream->readUint32BE();
_readStream->skip(size - 8);
screenCount++;
}
}
return NULL;
}
void PlaybackFile::updateHeader() {
if (_mode == kWrite) {
StringArray dummy;
g_system->getSavefileManager()->updateSavefilesList(dummy);
_readStream = g_system->getSavefileManager()->openForLoading(_header.fileName);
assert (_readStream);
}
_readStream->seek(0);
skipHeader();
String tmpFilename = "_" + _header.fileName;
_writeStream = g_system->getSavefileManager()->openForSaving(tmpFilename);
dumpHeaderToFile();
uint32 readedSize = 0;
do {
readedSize = _readStream->read(_tmpBuffer.data(), kRecordBuffSize);
_writeStream->write(_tmpBuffer.data(), readedSize);
} while (readedSize != 0);
delete _writeStream;
_writeStream = NULL;
delete _readStream;
_readStream = NULL;
g_system->getSavefileManager()->removeSavefile(_header.fileName);
g_system->getSavefileManager()->renameSavefile(tmpFilename, _header.fileName);
if (_mode == kRead) {
openRead(_header.fileName);
}
}
void PlaybackFile::skipHeader() {
while (true) {
uint32 id = _readStream->readUint32BE();
if (_readStream->eos()) {
break;
}
if ((id == kScreenShotTag) || (id == kEventTag) || (id == kMD5Tag)) {
_readStream->seek(-4, SEEK_CUR);
return;
}
else {
uint32 size = _readStream->readUint32BE();
_readStream->skip(size);
}
}
}
void PlaybackFile::addSaveFile(const String &fileName, InSaveFile *saveStream) {
uint oldPos = saveStream->pos();
saveStream->seek(0);
_header.saveFiles[fileName].buffer = (byte *)malloc(saveStream->size());
_header.saveFiles[fileName].size = saveStream->size();
saveStream->read(_header.saveFiles[fileName].buffer, saveStream->size());
saveStream->seek(oldPos);
}
void PlaybackFile::writeSaveFilesSection() {
uint size = 0;
for (auto &saveFile :_header.saveFiles) {
size += saveFile._value.size + saveFile._key.size() + 24;
}
if (size == 0) {
return;
}
_writeStream->writeSint32BE(kSaveTag);
_writeStream->writeSint32BE(size);
for (auto &saveFile : _header.saveFiles) {
_writeStream->writeSint32BE(kSaveRecordTag);
_writeStream->writeSint32BE(saveFile._key.size() + saveFile._value.size + 16);
_writeStream->writeSint32BE(kSaveRecordNameTag);
_writeStream->writeSint32BE(saveFile._key.size());
_writeStream->writeString(saveFile._key);
_writeStream->writeSint32BE(kSaveRecordBufferTag);
_writeStream->writeSint32BE(saveFile._value.size);
_writeStream->write(saveFile._value.buffer, saveFile._value.size);
}
}
void PlaybackFile::checkRecordedMD5() {
uint8 currentMD5[16];
uint8 savedMD5[16];
Graphics::Surface screen;
_readStream->read(savedMD5, 16);
if (!g_eventRec.grabScreenAndComputeMD5(screen, currentMD5)) {
return;
}
uint32 seconds = g_system->getMillis(true) / 1000;
String screenTime = String::format("%.2d:%.2d:%.2d", seconds / 3600 % 24, seconds / 60 % 60, seconds % 60);
if (memcmp(savedMD5, currentMD5, 16) != 0) {
debugC(1, kDebugLevelEventRec, "playback:action=\"Check screenshot\" time=%s result = fail", screenTime.c_str());
warning("Recorded and current screenshots are different");
} else {
debugC(1, kDebugLevelEventRec, "playback:action=\"Check screenshot\" time=%s result = success", screenTime.c_str());
}
Graphics::saveThumbnail(*_screenshotsFile, screen);
screen.free();
}
}