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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 "common/savefile.h"
#include "graphics/thumbnail.h"
#include "toltecs/toltecs.h"
#include "toltecs/animation.h"
#include "toltecs/music.h"
#include "toltecs/palette.h"
#include "toltecs/script.h"
#include "toltecs/screen.h"
#include "toltecs/sound.h"
namespace Toltecs {
/* TODO:
- Saving during an animation (AnimationPlayer) is not working correctly yet
- Maybe switch to SCUMM/Tinsel serialization approach?
*/
#define TOLTECS_SAVEGAME_VERSION 4
ToltecsEngine::kReadSaveHeaderError ToltecsEngine::readSaveHeader(Common::SeekableReadStream *in, bool loadThumbnail, SaveHeader &header) {
header.version = in->readUint32LE();
if (header.version > TOLTECS_SAVEGAME_VERSION)
return kRSHEInvalidVersion;
byte descriptionLen = in->readByte();
header.description = "";
while (descriptionLen--)
header.description += (char)in->readByte();
if (loadThumbnail) {
header.thumbnail = Graphics::loadThumbnail(*in);
} else {
Graphics::skipThumbnail(*in);
}
// Not used yet, reserved for future usage
header.gameID = in->readByte();
header.flags = in->readUint32LE();
if (header.version >= 1) {
header.saveDate = in->readUint32LE();
header.saveTime = in->readUint32LE();
header.playTime = in->readUint32LE();
} else {
header.saveDate = 0;
header.saveTime = 0;
header.playTime = 0;
}
return ((in->eos() || in->err()) ? kRSHEIoError : kRSHENoError);
}
void ToltecsEngine::savegame(const char *filename, const char *description) {
Common::OutSaveFile *out;
if (!(out = g_system->getSavefileManager()->openForSaving(filename))) {
warning("Can't create file '%s', game not saved", filename);
return;
}
TimeDate curTime;
g_system->getTimeAndDate(curTime);
// Header start
out->writeUint32LE(TOLTECS_SAVEGAME_VERSION);
byte descriptionLen = strlen(description);
out->writeByte(descriptionLen);
out->write(description, descriptionLen);
Graphics::saveThumbnail(*out);
// Not used yet, reserved for future usage
out->writeByte(0);
out->writeUint32LE(0);
uint32 saveDate = ((curTime.tm_mday & 0xFF) << 24) | (((curTime.tm_mon + 1) & 0xFF) << 16) | ((curTime.tm_year + 1900) & 0xFFFF);
uint32 saveTime = ((curTime.tm_hour & 0xFF) << 16) | (((curTime.tm_min) & 0xFF) << 8) | ((curTime.tm_sec) & 0xFF);
uint32 playTime = g_engine->getTotalPlayTime() / 1000;
out->writeUint32LE(saveDate);
out->writeUint32LE(saveTime);
out->writeUint32LE(playTime);
// Header end
out->writeUint16LE(_cameraX);
out->writeUint16LE(_cameraY);
out->writeUint16LE(_cameraHeight);
out->writeUint16LE(_guiHeight);
out->writeUint16LE(_sceneWidth);
out->writeUint16LE(_sceneHeight);
out->writeUint32LE(_sceneResIndex);
out->writeUint16LE(_walkSpeedX);
out->writeUint16LE(_walkSpeedY);
out->writeUint32LE(_counter01);
out->writeUint32LE(_counter02);
out->writeByte(_movieSceneFlag ? 1 : 0);
out->writeByte(_flag01);
out->writeUint16LE(_mouseX);
out->writeUint16LE(_mouseY);
out->writeUint16LE(_mouseDisabled);
_palette->saveState(out);
_script->saveState(out);
_anim->saveState(out);
_screen->saveState(out);
_sound->saveState(out);
_music->saveState(out);
out->finalize();
delete out;
}
void ToltecsEngine::loadgame(const char *filename) {
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename);
if (!in) {
warning("Can't open file '%s', game not loaded", filename);
return;
}
SaveHeader header;
kReadSaveHeaderError errorCode = readSaveHeader(in, false, header);
if (errorCode != kRSHENoError) {
warning("Error loading savegame '%s'", filename);
delete in;
return;
}
_sound->stopAll();
_music->stopSequence();
g_engine->setTotalPlayTime(header.playTime * 1000);
_cameraX = in->readUint16LE();
_cameraY = in->readUint16LE();
_cameraHeight = in->readUint16LE();
_guiHeight = in->readUint16LE();
_sceneWidth = in->readUint16LE();
_sceneHeight = in->readUint16LE();
_sceneResIndex = in->readUint32LE();
_walkSpeedX = in->readUint16LE();
_walkSpeedY = in->readUint16LE();
_counter01 = in->readUint32LE();
_counter02 = in->readUint32LE();
_movieSceneFlag = in->readByte() != 0;
_flag01 = in->readByte();
_mouseX = in->readUint16LE();
_mouseY = in->readUint16LE();
_mouseDisabled = in->readUint16LE();
_system->warpMouse(_mouseX, _mouseY);
_system->showMouse(_mouseDisabled == 0);
_palette->loadState(in);
_script->loadState(in);
_anim->loadState(in);
_screen->loadState(in);
if (header.version >= 2)
_sound->loadState(in, header.version);
if (header.version >= 3)
_music->loadState(in);
delete in;
loadScene(_sceneResIndex);
_newCameraX = _cameraX;
_newCameraY = _cameraY;
}
Common::Error ToltecsEngine::loadGameState(int slot) {
const char *fileName = getSavegameFilename(slot);
loadgame(fileName);
return Common::kNoError;
}
Common::Error ToltecsEngine::saveGameState(int slot, const Common::String &description) {
const char *fileName = getSavegameFilename(slot);
savegame(fileName, description.c_str());
return Common::kNoError;
}
const char *ToltecsEngine::getSavegameFilename(int num) {
static Common::String filename;
filename = getSavegameFilename(_targetName, num);
return filename.c_str();
}
Common::String ToltecsEngine::getSavegameFilename(const Common::String &target, int num) {
assert(num >= 0 && num <= 999);
char extension[5];
sprintf(extension, "%03d", num);
return target + "." + extension;
}
} // End of namespace Toltecs
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