scummvm/engines/touche/saveload.cpp
2007-11-04 03:02:32 +00:00

408 lines
12 KiB
C++

/* 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/savefile.h"
#include "touche/graphics.h"
#include "touche/touche.h"
namespace Touche {
enum {
kCurrentGameStateVersion = 6,
kGameStateDescriptionLen = 32
};
static void saveOrLoad(Common::WriteStream &stream, uint16 &i) {
stream.writeUint16LE(i);
}
static void saveOrLoad(Common::ReadStream &stream, uint16 &i) {
i = stream.readUint16LE();
}
static void saveOrLoad(Common::WriteStream &stream, int16 &i) {
stream.writeSint16LE(i);
}
static void saveOrLoad(Common::ReadStream &stream, int16 &i) {
i = stream.readSint16LE();
}
static void saveOrLoadPtr(Common::WriteStream &stream, int16 *&p, int16 *base) {
int32 offset = (int32)(p - base);
stream.writeSint32LE(offset);
}
static void saveOrLoadPtr(Common::ReadStream &stream, int16 *&p, int16 *base) {
int32 offset = stream.readSint32LE();
p = base + offset;
}
template <class S>
static void saveOrLoad(S &s, Common::Rect &r) {
saveOrLoad(s, r.left);
saveOrLoad(s, r.top);
saveOrLoad(s, r.right);
saveOrLoad(s, r.bottom);
}
template <class S>
static void saveOrLoad(S &s, SequenceEntry &seq) {
saveOrLoad(s, seq.sprNum);
saveOrLoad(s, seq.seqNum);
}
template <class S>
static void saveOrLoad(S &s, KeyChar &key) {
saveOrLoad(s, key.num);
saveOrLoad(s, key.flags);
saveOrLoad(s, key.currentAnimCounter);
saveOrLoad(s, key.strNum);
saveOrLoad(s, key.walkDataNum);
saveOrLoad(s, key.spriteNum);
saveOrLoad(s, key.prevBoundingRect);
saveOrLoad(s, key.boundingRect);
saveOrLoad(s, key.xPos);
saveOrLoad(s, key.yPos);
saveOrLoad(s, key.zPos);
saveOrLoad(s, key.xPosPrev);
saveOrLoad(s, key.yPosPrev);
saveOrLoad(s, key.zPosPrev);
saveOrLoad(s, key.prevWalkDataNum);
saveOrLoad(s, key.textColor);
for (uint i = 0; i < 4; ++i) {
saveOrLoad(s, key.inventoryItems[i]);
}
saveOrLoad(s, key.money);
saveOrLoad(s, key.pointsDataNum);
saveOrLoad(s, key.currentWalkBox);
saveOrLoad(s, key.prevPointsDataNum);
saveOrLoad(s, key.currentAnim);
saveOrLoad(s, key.facingDirection);
saveOrLoad(s, key.currentAnimSpeed);
for (uint i = 0; i < 16; ++i) {
saveOrLoad(s, key.framesList[i]);
}
saveOrLoad(s, key.framesListCount);
saveOrLoad(s, key.currentFrame);
saveOrLoad(s, key.anim1Start);
saveOrLoad(s, key.anim1Count);
saveOrLoad(s, key.anim2Start);
saveOrLoad(s, key.anim2Count);
saveOrLoad(s, key.anim3Start);
saveOrLoad(s, key.anim3Count);
saveOrLoad(s, key.followingKeyCharNum);
saveOrLoad(s, key.followingKeyCharPos);
saveOrLoad(s, key.sequenceDataIndex);
saveOrLoad(s, key.sequenceDataOffset);
saveOrLoad(s, key.walkPointsListIndex);
for (uint i = 0; i < 40; ++i) {
saveOrLoad(s, key.walkPointsList[i]);
}
saveOrLoad(s, key.scriptDataStartOffset);
saveOrLoad(s, key.scriptDataOffset);
saveOrLoadPtr(s, key.scriptStackPtr, &key.scriptStackTable[39]);
saveOrLoad(s, key.delay);
saveOrLoad(s, key.waitingKeyChar);
for (uint i = 0; i < 3; ++i) {
saveOrLoad(s, key.waitingKeyCharPosTable[i]);
}
for (uint i = 0; i < 40; ++i) {
saveOrLoad(s, key.scriptStackTable[i]);
}
}
template <class S>
static void saveOrLoad(S &s, TalkEntry &entry) {
saveOrLoad(s, entry.otherKeyChar);
saveOrLoad(s, entry.talkingKeyChar);
saveOrLoad(s, entry.num);
}
template <class S>
static void saveOrLoad(S &s, ProgramHitBoxData &data) {
saveOrLoad(s, data.item);
saveOrLoad(s, data.talk);
saveOrLoad(s, data.state);
saveOrLoad(s, data.str);
saveOrLoad(s, data.defaultStr);
for (uint i = 0; i < 8; ++i) {
saveOrLoad(s, data.actions[i]);
}
for (uint i = 0; i < 2; ++i) {
saveOrLoad(s, data.hitBoxes[i]);
}
}
template <class S>
static void saveOrLoad(S &s, Area &area) {
saveOrLoad(s, area.r);
saveOrLoad(s, area.srcX);
saveOrLoad(s, area.srcY);
}
template <class S>
static void saveOrLoad(S &s, ProgramBackgroundData &data) {
saveOrLoad(s, data.area);
saveOrLoad(s, data.type);
saveOrLoad(s, data.offset);
saveOrLoad(s, data.scaleMul);
saveOrLoad(s, data.scaleDiv);
}
template <class S>
static void saveOrLoad(S &s, ProgramAreaData &data) {
saveOrLoad(s, data.area);
saveOrLoad(s, data.id);
saveOrLoad(s, data.state);
saveOrLoad(s, data.animCount);
saveOrLoad(s, data.animNext);
}
template <class S>
static void saveOrLoad(S &s, ProgramWalkData &data) {
saveOrLoad(s, data.point1);
saveOrLoad(s, data.point2);
saveOrLoad(s, data.clippingRect);
saveOrLoad(s, data.area1);
saveOrLoad(s, data.area2);
}
template <class S>
static void saveOrLoad(S &s, ProgramPointData &data) {
saveOrLoad(s, data.x);
saveOrLoad(s, data.y);
saveOrLoad(s, data.z);
saveOrLoad(s, data.order);
}
template <class S, class A>
static void saveOrLoadCommonArray(S &s, A &array);
template <class A>
static void saveOrLoadCommonArray(Common::WriteStream &stream, A &array) {
uint count = array.size();
assert(count < 0xFFFF);
stream.writeUint16LE(count);
for (uint i = 0; i < count; ++i) {
saveOrLoad(stream, array[i]);
}
}
template <class A>
static void saveOrLoadCommonArray(Common::ReadStream &stream, A &array) {
uint count = stream.readUint16LE();
if (count == array.size()) {
for (uint i = 0; i < count; ++i) {
saveOrLoad(stream, array[i]);
}
}
}
template <class S, class A>
static void saveOrLoadStaticArray(S &s, A &array, uint count) {
for (uint i = 0; i < count; ++i) {
saveOrLoad(s, array[i]);
}
}
static const uint32 saveLoadEndMarker = 0x55AA55AA;
void ToucheEngine::saveGameStateData(Common::WriteStream *stream) {
setKeyCharMoney();
stream->writeUint16LE(_currentEpisodeNum);
stream->writeUint16LE(_currentMusicNum);
stream->writeUint16LE(_currentRoomNum);
stream->writeUint16LE(_flagsTable[614]);
stream->writeUint16LE(_flagsTable[615]);
stream->writeUint16LE(_disabledInputCounter);
saveOrLoadCommonArray(*stream, _programHitBoxTable);
saveOrLoadCommonArray(*stream, _programBackgroundTable);
saveOrLoadCommonArray(*stream, _programAreaTable);
saveOrLoadCommonArray(*stream, _programWalkTable);
saveOrLoadCommonArray(*stream, _programPointsTable);
stream->write(_updatedRoomAreasTable, 200);
saveOrLoadStaticArray(*stream, _sequenceEntryTable, NUM_SEQUENCES);
saveOrLoadStaticArray(*stream, _flagsTable, 1024);
saveOrLoadStaticArray(*stream, _inventoryList1, 100);
saveOrLoadStaticArray(*stream, _inventoryList2, 100);
saveOrLoadStaticArray(*stream, _inventoryList3, 6);
saveOrLoadStaticArray(*stream, _keyCharsTable, NUM_KEYCHARS);
saveOrLoadStaticArray(*stream, _inventoryItemsInfoTable, NUM_INVENTORY_ITEMS);
saveOrLoadStaticArray(*stream, _talkTable, NUM_TALK_ENTRIES);
stream->writeUint16LE(_talkListEnd);
stream->writeUint16LE(_talkListCurrent);
stream->writeUint32LE(saveLoadEndMarker);
}
void ToucheEngine::loadGameStateData(Common::ReadStream *stream) {
setKeyCharMoney();
clearDirtyRects();
_flagsTable[115] = 0;
clearRoomArea();
_currentEpisodeNum = stream->readUint16LE();
_newMusicNum = stream->readUint16LE();
_currentRoomNum = stream->readUint16LE();
res_loadRoom(_currentRoomNum);
int16 roomOffsX = _flagsTable[614] = stream->readUint16LE();
int16 roomOffsY = _flagsTable[615] = stream->readUint16LE();
_disabledInputCounter = stream->readUint16LE();
res_loadProgram(_currentEpisodeNum);
setupEpisode(-1);
saveOrLoadCommonArray(*stream, _programHitBoxTable);
saveOrLoadCommonArray(*stream, _programBackgroundTable);
saveOrLoadCommonArray(*stream, _programAreaTable);
saveOrLoadCommonArray(*stream, _programWalkTable);
saveOrLoadCommonArray(*stream, _programPointsTable);
stream->read(_updatedRoomAreasTable, 200);
for (uint i = 1; i < _updatedRoomAreasTable[0]; ++i) {
updateRoomAreas(_updatedRoomAreasTable[i], -1);
}
saveOrLoadStaticArray(*stream, _sequenceEntryTable, NUM_SEQUENCES);
saveOrLoadStaticArray(*stream, _flagsTable, 1024);
saveOrLoadStaticArray(*stream, _inventoryList1, 100);
saveOrLoadStaticArray(*stream, _inventoryList2, 100);
saveOrLoadStaticArray(*stream, _inventoryList3, 6);
saveOrLoadStaticArray(*stream, _keyCharsTable, NUM_KEYCHARS);
saveOrLoadStaticArray(*stream, _inventoryItemsInfoTable, NUM_INVENTORY_ITEMS);
saveOrLoadStaticArray(*stream, _talkTable, NUM_TALK_ENTRIES);
_talkListEnd = stream->readUint16LE();
_talkListCurrent = stream->readUint16LE();
if (stream->readUint32LE() != saveLoadEndMarker) {
warning("Corrupted gamestate data");
// if that ever happens, exit the game
_flagsTable[611] = 1;
}
_flagsTable[614] = roomOffsX;
_flagsTable[615] = roomOffsY;
for (uint i = 0; i < NUM_SEQUENCES; ++i) {
if (_sequenceEntryTable[i].seqNum != -1) {
res_loadSequence(_sequenceEntryTable[i].seqNum, i);
}
if (_sequenceEntryTable[i].sprNum != -1) {
res_loadSprite(_sequenceEntryTable[i].sprNum, i);
}
}
_currentKeyCharNum = _flagsTable[104];
_inventoryStateTable[0].displayOffset = 0;
_inventoryStateTable[1].displayOffset = 0;
_inventoryStateTable[2].displayOffset = 0;
drawInventory(_currentKeyCharNum, 1);
Graphics::copyRect(_offscreenBuffer, kScreenWidth, 0, 0,
_backdropBuffer, _currentBitmapWidth, _flagsTable[614], _flagsTable[615],
kScreenWidth, kRoomHeight);
updateRoomRegions();
_fullRedrawCounter = 1;
_roomNeedRedraw = false;
if (_flagsTable[617] != 0) {
res_loadSpeech(_flagsTable[617]);
}
debug(0, "Loaded state, current episode %d", _currentEpisodeNum);
}
bool ToucheEngine::saveGameState(int num, const char *description) {
bool saveOk = false;
char gameStateFileName[64];
generateGameStateFileName(num, gameStateFileName, 63);
Common::OutSaveFile *f = _saveFileMan->openForSaving(gameStateFileName);
if (f) {
f->writeUint16LE(kCurrentGameStateVersion);
f->writeUint16LE(0);
char headerDescription[kGameStateDescriptionLen];
memset(headerDescription, 0, kGameStateDescriptionLen);
strncpy(headerDescription, description, kGameStateDescriptionLen - 1);
f->write(headerDescription, kGameStateDescriptionLen);
saveGameStateData(f);
f->finalize();
if (!f->ioFailed()) {
saveOk = true;
} else {
warning("Can't write file '%s'", gameStateFileName);
}
delete f;
}
return saveOk;
}
bool ToucheEngine::loadGameState(int num) {
bool loadOk = false;
char gameStateFileName[64];
generateGameStateFileName(num, gameStateFileName, 63);
Common::InSaveFile *f = _saveFileMan->openForLoading(gameStateFileName);
if (f) {
uint16 version = f->readUint16LE();
if (version < kCurrentGameStateVersion) {
warning("Unsupported gamestate version %d (index %d)", version, num);
} else {
f->skip(2 + kGameStateDescriptionLen);
loadGameStateData(f);
if (!f->ioFailed()) {
loadOk = true;
} else {
warning("Can't read file '%s'", gameStateFileName);
}
}
delete f;
}
return loadOk;
}
void ToucheEngine::readGameStateDescription(int num, char *description, int len) {
char gameStateFileName[64];
generateGameStateFileName(num, gameStateFileName, 63);
Common::InSaveFile *f = _saveFileMan->openForLoading(gameStateFileName);
if (f) {
uint16 version = f->readUint16LE();
if (version >= kCurrentGameStateVersion) {
f->readUint16LE();
f->read(description, MIN<int>(len, kGameStateDescriptionLen));
description[len] = 0;
}
delete f;
}
}
void ToucheEngine::generateGameStateFileName(int num, char *dst, int len, bool prefixOnly) const {
if (prefixOnly) {
snprintf(dst, len, "%s.*", _targetName.c_str());
} else {
snprintf(dst, len, "%s.%d", _targetName.c_str(), num);
}
dst[len] = 0;
}
int ToucheEngine::getGameStateFileSlot(const char *filename) const {
int i = -1;
const char *slot = strrchr(filename, '.');
if (slot) {
i = atoi(slot + 1);
}
return i;
}
} // namespace Touche