mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-30 05:34:00 +00:00
450 lines
11 KiB
C++
450 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "gob/save/saveload.h"
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#include "gob/save/saveconverter.h"
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#include "gob/global.h"
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#include "gob/inter.h"
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namespace Gob {
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SaveLoad_Inca2::SaveFile SaveLoad_Inca2::_saveFiles[] = {
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{"speak.inf", kSaveModeExists, 0, 0}, // Exists = speech enabled
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{"voice.inf", kSaveModeSave , 0, 0}, // Contains the language of the voices
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{"intro.$$$", kSaveModeSave , 0, "temporary sprite"},
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{ "cat.inf", kSaveModeSave , 0, "savegame"},
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{ "ima.inf", kSaveModeSave , 0, "screenshot"},
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};
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SaveLoad_Inca2::GameHandler::File::File(GobEngine *vm, const char *base) :
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SlotFileIndexed(vm, SaveLoad_Inca2::kSlotCount, base, "s") {
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}
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SaveLoad_Inca2::GameHandler::File::File(const File &file) :
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SlotFileIndexed(file._vm, file._slotCount, file._base, file._ext) {
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}
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SaveLoad_Inca2::GameHandler::File::~File() {
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}
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int SaveLoad_Inca2::GameHandler::File::getSlot(int32 offset) const {
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uint32 varSize = SaveHandler::getVarSize(_vm);
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if (varSize == 0)
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return -1;
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return offset - kPropsSize;
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}
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int SaveLoad_Inca2::GameHandler::File::getSlotRemainder(int32 offset) const {
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return 0;
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}
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SaveLoad_Inca2::GameHandler::GameHandler(GobEngine *vm, const char *target) :
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SaveHandler(vm) {
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_slotFile = new File(vm, target);
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memset(_props, 0x00, kPropsSize);
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memset(_props, 0x20, 10);
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_props[43] = 0x01;
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_props[79] = 0x03;
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buildIndex();
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_writer = 0;
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_reader = 0;
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}
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SaveLoad_Inca2::GameHandler::~GameHandler() {
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delete _slotFile;
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delete _reader;
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delete _writer;
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}
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int32 SaveLoad_Inca2::GameHandler::getSize() {
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return _slotFile->tallyUpFiles(1, kPropsSize);
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}
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bool SaveLoad_Inca2::GameHandler::load(int16 dataVar, int32 size, int32 offset) {
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if (((uint32) offset) < kPropsSize) {
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// Global properties, like joker usage
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debugC(3, kDebugSaveLoad, "Loading global properties");
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if (((uint32) (offset + size)) > kPropsSize) {
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warning("Wrong global properties list size (%d, %d)", size, offset);
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return false;
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}
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if (((uint32) (offset + size)) >= kPropsSize)
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buildIndex();
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_vm->_inter->_variables->copyFrom(dataVar, _props + offset, size);
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} else {
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int32 slot = offset - kPropsSize;
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if ((size != 1) || (slot < 0) || ((uint32)slot >= kSlotCount)) {
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warning("Invalid loading procedure (%d, %d, %d)", dataVar, size, offset);
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return false;
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}
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WRITE_VARO_UINT8(dataVar, 0);
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if (!createReader(slot))
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return true;
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SavePartInfo info(0, (uint32) _vm->getGameType(), 0, _vm->getEndianness(), 1);
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SavePartVars vars(_vm, 1);
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if (!_reader->readPart(0, &info))
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return true;
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if (!_reader->readPart(1, &vars))
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return true;
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// Read the save point number
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if (!vars.writeInto(dataVar, 0, 1)) {
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WRITE_VARO_UINT8(dataVar, 0);
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return true;
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}
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}
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return true;
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}
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bool SaveLoad_Inca2::GameHandler::save(int16 dataVar, int32 size, int32 offset) {
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if (((uint32) offset) < kPropsSize) {
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// Global properties, like joker usage
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debugC(3, kDebugSaveLoad, "Saving global properties");
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if (((uint32) (offset + size)) > kPropsSize) {
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warning("Wrong global properties list size (%d, %d)", size, offset);
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return false;
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}
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_vm->_inter->_variables->copyTo(dataVar, _props + offset, size);
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} else {
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// Save point flag
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int32 slot = offset - kPropsSize;
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if ((size != 1) || (slot < 0) || ((uint32)slot >= kSlotCount)) {
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warning("Invalid saving procedure (%d, %d, %d)", dataVar, size, offset);
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return false;
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}
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if (!createWriter(slot))
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return false;
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SavePartInfo info(0, (uint32) _vm->getGameType(), 0, _vm->getEndianness(), 1);
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SavePartVars vars(_vm, 1);
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// Write the save point number
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if (!vars.readFrom(dataVar, 0, 1))
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return false;
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if (!_writer->writePart(0, &info))
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return false;
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if (!_writer->writePart(1, &vars))
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return false;
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}
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return true;
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}
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bool SaveLoad_Inca2::GameHandler::saveScreenshot(int slot,
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const SavePartSprite *screenshot) {
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if (!createWriter(slot))
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return false;
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return _writer->writePart(2, screenshot);
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}
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bool SaveLoad_Inca2::GameHandler::loadScreenshot(int slot,
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SavePartSprite *screenshot) {
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if (!createReader(slot))
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return false;
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return _reader->readPart(2, screenshot);
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}
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void SaveLoad_Inca2::GameHandler::buildIndex() {
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_props[499] = _slotFile->getSlotMax();
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}
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bool SaveLoad_Inca2::GameHandler::createReader(int slot) {
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// If slot < 0, just check if a reader exists
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if (slot < 0)
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return (_reader != 0);
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if (!_reader || (_reader->getSlot() != ((uint32) slot))) {
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Common::String slotFile = _slotFile->build(slot);
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if (slotFile.empty())
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return false;
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delete _reader;
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_reader = new SaveReader(3, slot, slotFile);
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if (!_reader->load()) {
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delete _reader;
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_reader = 0;
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return false;
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}
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}
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return true;
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}
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bool SaveLoad_Inca2::GameHandler::createWriter(int slot) {
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// If slot < 0, just check if a writer exists
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if (slot < 0)
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return (_writer != 0);
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if (!_writer || (_writer->getSlot() != ((uint32) slot))) {
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Common::String slotFile = _slotFile->build(slot);
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if (slotFile.empty())
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return false;
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delete _writer;
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_writer = new SaveWriter(3, slot, slotFile);
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}
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return true;
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}
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SaveLoad_Inca2::ScreenshotHandler::File::File(const SaveLoad_Inca2::GameHandler::File &file) : SaveLoad_Inca2::GameHandler::File(file) {
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}
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SaveLoad_Inca2::ScreenshotHandler::File::~File() {
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}
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int SaveLoad_Inca2::ScreenshotHandler::File::getSlot(int32 offset) const {
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return (offset - 80) / 15168;
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}
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int SaveLoad_Inca2::ScreenshotHandler::File::getSlotRemainder(int32 offset) const {
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return (offset - 80) % 15168;
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}
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void SaveLoad_Inca2::ScreenshotHandler::File::buildScreenshotIndex(byte *buffer) const {
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Common::SaveFileManager *saveMan = g_system->getSavefileManager();
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Common::InSaveFile *in;
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for (uint32 i = 0; i < 40; i++, buffer++) {
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Common::String slotFile = build(i);
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if (!slotFile.empty() && ((in = saveMan->openForLoading(slotFile)))) {
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delete in;
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*buffer = 1;
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} else
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*buffer = 0;
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}
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}
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SaveLoad_Inca2::ScreenshotHandler::ScreenshotHandler(GobEngine *vm,
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GameHandler *gameHandler) : TempSpriteHandler(vm) {
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assert(gameHandler);
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_gameHandler = gameHandler;
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_file = new File(*_gameHandler->_slotFile);
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memset(_index, 0, 80);
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}
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SaveLoad_Inca2::ScreenshotHandler::~ScreenshotHandler() {
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delete _file;
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}
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int32 SaveLoad_Inca2::ScreenshotHandler::getSize() {
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return _file->tallyUpFiles(15168, 80);
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}
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bool SaveLoad_Inca2::ScreenshotHandler::load(int16 dataVar, int32 size, int32 offset) {
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if (offset < 80) {
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// Screenshot index list
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if ((size + offset) > 80) {
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warning("Wrong screenshot index offset (%d, %d)", size, offset);
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return false;
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}
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// Create/Fake the index
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_file->buildScreenshotIndex(_index + 40);
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_vm->_inter->_variables->copyFrom(dataVar, _index + offset, size);
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} else {
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// Screenshot
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uint32 slot = _file->getSlot(offset);
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int slotRem = _file->getSlotRemainder(offset);
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if ((slot >= kSlotCount) || (slotRem != 0)) {
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warning("Invalid screenshot loading procedure (%d, %d, %d, %d, %d)",
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dataVar, size, offset, slot, slotRem);
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return false;
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}
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if (!TempSpriteHandler::createFromSprite(dataVar, size, offset))
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return false;
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if (!_gameHandler->loadScreenshot(slot, _sprite))
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return false;
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if (!TempSpriteHandler::load(dataVar, size, offset))
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return false;
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}
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return true;
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}
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bool SaveLoad_Inca2::ScreenshotHandler::save(int16 dataVar, int32 size, int32 offset) {
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if (offset < 80) {
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// Index, we'll ignore that
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} else {
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// Screenshot
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uint32 slot = _file->getSlot(offset);
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int slotRem = _file->getSlotRemainder(offset);
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if ((slot >= kSlotCount) || (slotRem != 0)) {
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warning("Invalid screenshot saving procedure (%d, %d, %d, %d, %d)",
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dataVar, size, offset, slot, slotRem);
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return false;
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}
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if (!TempSpriteHandler::save(dataVar, size, offset))
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return false;
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return _gameHandler->saveScreenshot(slot, _sprite);
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}
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return true;
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}
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SaveLoad_Inca2::VoiceHandler::VoiceHandler(GobEngine *vm) : SaveHandler(vm) {
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}
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SaveLoad_Inca2::VoiceHandler::~VoiceHandler() {
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}
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int32 SaveLoad_Inca2::VoiceHandler::getSize() {
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return 1;
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}
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bool SaveLoad_Inca2::VoiceHandler::load(int16 dataVar, int32 size, int32 offset) {
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if ((size != 1) || (offset != 0)) {
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warning("Invalid voice language loading?!? (%d, %d, %d)", dataVar, size, offset);
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return false;
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}
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WRITE_VARO_UINT8(dataVar, _vm->_global->_language);
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return true;
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}
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bool SaveLoad_Inca2::VoiceHandler::save(int16 dataVar, int32 size, int32 offset) {
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return false;
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}
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SaveLoad_Inca2::SaveLoad_Inca2(GobEngine *vm, const char *targetName) : SaveLoad(vm) {
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_voiceHandler = new VoiceHandler(vm);
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_tempSpriteHandler = new TempSpriteHandler(vm);
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_gameHandler = new GameHandler(vm, targetName);
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_screenshotHandler = new ScreenshotHandler(vm, _gameHandler);
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_saveFiles[1].handler = _voiceHandler;
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_saveFiles[2].handler = _tempSpriteHandler;
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_saveFiles[3].handler = _gameHandler;
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_saveFiles[4].handler = _screenshotHandler;
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}
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SaveLoad_Inca2::~SaveLoad_Inca2() {
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delete _voiceHandler;
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}
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const SaveLoad_Inca2::SaveFile *SaveLoad_Inca2::getSaveFile(const char *fileName) const {
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fileName = stripPath(fileName);
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for (int i = 0; i < ARRAYSIZE(_saveFiles); i++)
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if (!scumm_stricmp(fileName, _saveFiles[i].sourceName))
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return &_saveFiles[i];
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return 0;
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}
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SaveLoad_Inca2::SaveFile *SaveLoad_Inca2::getSaveFile(const char *fileName) {
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fileName = stripPath(fileName);
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for (int i = 0; i < ARRAYSIZE(_saveFiles); i++)
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if (!scumm_stricmp(fileName, _saveFiles[i].sourceName))
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return &_saveFiles[i];
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return 0;
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}
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SaveHandler *SaveLoad_Inca2::getHandler(const char *fileName) const {
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const SaveFile *saveFile = getSaveFile(fileName);
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if (saveFile)
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return saveFile->handler;
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return 0;
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}
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const char *SaveLoad_Inca2::getDescription(const char *fileName) const {
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const SaveFile *saveFile = getSaveFile(fileName);
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if (saveFile)
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return saveFile->description;
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return 0;
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}
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SaveLoad::SaveMode SaveLoad_Inca2::getSaveMode(const char *fileName) const {
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const SaveFile *saveFile = getSaveFile(fileName);
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if (saveFile)
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return saveFile->mode;
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return kSaveModeNone;
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}
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} // End of namespace Gob
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