mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-24 11:36:22 +00:00
CGE: Implemented basic savegame support
I've slightly modified the behaviour of the original - rather than prompting each time the user starts for a name, it now only prompts the first time, and uses the entered name as a save description for a slot 0 savegame
This commit is contained in:
Paul Gilbert
parent
10627dccfa
commit
ce070cdd3c
@ -25,7 +25,9 @@
|
||||
|
||||
#include "cge/general.h"
|
||||
#include "common/random.h"
|
||||
#include "common/savefile.h"
|
||||
#include "common/serializer.h"
|
||||
#include "common/str.h"
|
||||
#include "engines/engine.h"
|
||||
#include "gui/debugger.h"
|
||||
#include "graphics/surface.h"
|
||||
@ -56,11 +58,27 @@ enum CallbackType {
|
||||
|
||||
#define POCKET_NX 8
|
||||
|
||||
#define CGE_SAVEGAME_VERSION 1
|
||||
|
||||
struct SavegameHeader {
|
||||
uint8 version;
|
||||
Common::String saveName;
|
||||
Graphics::Surface *thumbnail;
|
||||
int saveYear, saveMonth, saveDay;
|
||||
int saveHour, saveMinutes;
|
||||
int totalFrames;
|
||||
};
|
||||
|
||||
class CGEEngine : public Engine {
|
||||
private:
|
||||
uint32 _lastFrame;
|
||||
void tick();
|
||||
void syncHeader(Common::Serializer &s);
|
||||
bool readSavegameHeader(Common::InSaveFile *in, SavegameHeader &header);
|
||||
void writeSavegameHeader(Common::OutSaveFile *out, SavegameHeader &header);
|
||||
void syncGame(Common::SeekableReadStream *readStream, Common::WriteStream *writeStream, bool tiny = false);
|
||||
bool savegameExists(int slotNumber);
|
||||
Common::String generateSaveName(int slot);
|
||||
public:
|
||||
CGEEngine(OSystem *syst, const ADGameDescription *gameDescription);
|
||||
~CGEEngine();
|
||||
@ -83,6 +101,7 @@ public:
|
||||
bool _game;
|
||||
int _now;
|
||||
int _lev;
|
||||
char _usrFnam[15];
|
||||
|
||||
Common::RandomSource _randomSource;
|
||||
byte * _mini;
|
||||
@ -100,7 +119,7 @@ public:
|
||||
void quit();
|
||||
void resetQSwitch();
|
||||
void optionTouch(int opt, uint16 mask);
|
||||
void loadGame(XFile &file, bool tiny);
|
||||
bool loadGame(int slotNumber, SavegameHeader *header = NULL, bool tiny = false);
|
||||
void setMapBrick(int x, int z);
|
||||
void switchMapping();
|
||||
void loadSprite(const char *fname, int ref, int cav, int col, int row, int pos);
|
||||
@ -129,7 +148,7 @@ public:
|
||||
void setIRQ();
|
||||
void setDMA();
|
||||
void mainLoop();
|
||||
void saveGame(Common::WriteStream *file);
|
||||
void saveGame(int slotNumber, const Common::String &desc);
|
||||
void switchMusic();
|
||||
void selectPocket(int n);
|
||||
void expandSprite(Sprite *spr);
|
||||
|
||||
@ -30,6 +30,9 @@
|
||||
#include "common/savefile.h"
|
||||
#include "common/serializer.h"
|
||||
#include "common/str.h"
|
||||
#include "graphics/palette.h"
|
||||
#include "graphics/scaler.h"
|
||||
#include "graphics/thumbnail.h"
|
||||
#include "cge/general.h"
|
||||
#include "cge/sound.h"
|
||||
#include "cge/startup.h"
|
||||
@ -86,7 +89,8 @@ Snail *_snail_;
|
||||
// 1.01 - 17VII95 - default savegame with sound ON
|
||||
// coditionals EVA for 2-month evaluation version
|
||||
|
||||
static char _usrFnam[15] = "\0ɱ%^þúȼ´ ÇÉ";
|
||||
const char *SAVEGAME_STR = "SCUMMVM_CGE";
|
||||
#define SAVEGAME_STR_SIZE 11
|
||||
|
||||
//--------------------------------------------------------------------------
|
||||
|
||||
@ -137,84 +141,237 @@ void CGEEngine::syncHeader(Common::Serializer &s) {
|
||||
}
|
||||
}
|
||||
|
||||
void CGEEngine::loadGame(XFile &file, bool tiny = false) {
|
||||
Sprite *spr;
|
||||
int i;
|
||||
bool CGEEngine::loadGame(int slotNumber, SavegameHeader *header, bool tiny) {
|
||||
Common::MemoryReadStream *readStream;
|
||||
SavegameHeader saveHeader;
|
||||
|
||||
// Read the data into a data buffer
|
||||
int size = file.size() - file.mark();
|
||||
byte *dataBuffer = (byte *)malloc(size);
|
||||
file.read(dataBuffer, size);
|
||||
Common::MemoryReadStream readStream(dataBuffer, size, DisposeAfterUse::YES);
|
||||
Common::Serializer s(&readStream, NULL);
|
||||
if (slotNumber == -1) {
|
||||
// Loading the data for the initial game state
|
||||
SVG0FILE file = SVG0FILE(SVG0NAME);
|
||||
int size = file.size();
|
||||
byte *dataBuffer = (byte *)malloc(size);
|
||||
file.read(dataBuffer, size);
|
||||
readStream = new Common::MemoryReadStream(dataBuffer, size, DisposeAfterUse::YES);
|
||||
|
||||
// Synchronise header data
|
||||
syncHeader(s);
|
||||
} else {
|
||||
// Open up the savgame file
|
||||
Common::String slotName = generateSaveName(slotNumber);
|
||||
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(slotName);
|
||||
|
||||
if (Startup::_core < CORE_HIG)
|
||||
_music = false;
|
||||
|
||||
if (Startup::_soundOk == 1 && Startup::_mode == 0) {
|
||||
_sndDrvInfo.Vol2._d = _volume[0];
|
||||
_sndDrvInfo.Vol2._m = _volume[1];
|
||||
sndSetVolume();
|
||||
// Read the data into a data buffer
|
||||
int size = saveFile->size();
|
||||
byte *dataBuffer = (byte *)malloc(size);
|
||||
saveFile->read(dataBuffer, size);
|
||||
readStream = new Common::MemoryReadStream(dataBuffer, size, DisposeAfterUse::YES);
|
||||
}
|
||||
|
||||
if (! tiny) { // load sprites & pocket
|
||||
while (readStream.pos() < readStream.size()) {
|
||||
Sprite S(this, NULL);
|
||||
S.sync(s);
|
||||
// Check to see if it's a ScummVM savegame or not
|
||||
char buffer[SAVEGAME_STR_SIZE + 1];
|
||||
readStream->read(buffer, SAVEGAME_STR_SIZE + 1);
|
||||
|
||||
S._prev = S._next = NULL;
|
||||
spr = (scumm_stricmp(S._file + 2, "MUCHA") == 0) ? new Fly(this, NULL)
|
||||
: new Sprite(this, NULL);
|
||||
if (spr == NULL)
|
||||
error("No core");
|
||||
*spr = S;
|
||||
_vga->_spareQ->append(spr);
|
||||
if (strncmp(buffer, SAVEGAME_STR, SAVEGAME_STR_SIZE + 1) != 0) {
|
||||
// It's not, so rewind back to the start
|
||||
readStream->seek(0);
|
||||
|
||||
if (header)
|
||||
// Header wanted where none exists, so return false
|
||||
return false;
|
||||
} else {
|
||||
// Found header
|
||||
if (!readSavegameHeader(readStream, saveHeader)) {
|
||||
delete readStream;
|
||||
return false;
|
||||
}
|
||||
|
||||
for (i = 0; i < POCKET_NX; i++) {
|
||||
register int r = _pocref[i];
|
||||
delete _pocket[i];
|
||||
_pocket[i] = (r < 0) ? NULL : _vga->_spareQ->locate(r);
|
||||
if (header) {
|
||||
*header = saveHeader;
|
||||
delete readStream;
|
||||
return true;
|
||||
}
|
||||
|
||||
// Delete the thumbnail
|
||||
delete saveHeader.thumbnail;
|
||||
|
||||
// If we're loading the auto-save slot, load the name
|
||||
if (slotNumber == 0)
|
||||
strncpy(_usrFnam, saveHeader.saveName.c_str(), 8);
|
||||
}
|
||||
|
||||
// Get in the savegame
|
||||
syncGame(readStream, NULL, tiny);
|
||||
|
||||
delete readStream;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if a given savegame exists
|
||||
*/
|
||||
bool CGEEngine::savegameExists(int slotNumber) {
|
||||
Common::String slotName = generateSaveName(slotNumber);
|
||||
|
||||
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(slotName);
|
||||
bool result = saveFile != NULL;
|
||||
delete saveFile;
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Support method that generates a savegame name
|
||||
* @param slot Slot number
|
||||
*/
|
||||
Common::String CGEEngine::generateSaveName(int slot) {
|
||||
return Common::String::format("%s.%03d", _targetName.c_str(), slot);
|
||||
}
|
||||
|
||||
void CGEEngine::saveSound() {
|
||||
warning("STUB: CGEEngine::saveSound");
|
||||
/* Convert to saving any such needed data in ScummVM configuration file
|
||||
|
||||
CFile cfg(usrPath(progName(CFG_EXT)), WRI);
|
||||
if (!cfg._error)
|
||||
cfg.write(&_sndDrvInfo, sizeof(_sndDrvInfo) - sizeof(_sndDrvInfo.Vol2));
|
||||
*/
|
||||
}
|
||||
|
||||
void CGEEngine::saveGame(int slotNumber, const Common::String &desc) {
|
||||
// Set up the serializer
|
||||
Common::String slotName = generateSaveName(slotNumber);
|
||||
Common::OutSaveFile *saveFile = g_system->getSavefileManager()->openForSaving(slotName);
|
||||
|
||||
void CGEEngine::saveGame(Common::WriteStream *file) {
|
||||
// Write out the ScummVM savegame header
|
||||
SavegameHeader header;
|
||||
header.saveName = desc;
|
||||
header.version = CGE_SAVEGAME_VERSION;
|
||||
writeSavegameHeader(saveFile, header);
|
||||
|
||||
// Write out the data of the savegame
|
||||
syncGame(NULL, saveFile);
|
||||
|
||||
// Finish writing out game data
|
||||
saveFile->finalize();
|
||||
delete saveFile;
|
||||
}
|
||||
|
||||
void CGEEngine::writeSavegameHeader(Common::OutSaveFile *out, SavegameHeader &header) {
|
||||
// Write out a savegame header
|
||||
out->write(SAVEGAME_STR, SAVEGAME_STR_SIZE + 1);
|
||||
|
||||
out->writeByte(CGE_SAVEGAME_VERSION);
|
||||
|
||||
// Write savegame name
|
||||
out->write(header.saveName.c_str(), header.saveName.size() + 1);
|
||||
|
||||
// Get the active palette
|
||||
uint8 thumbPalette[256 * 3];
|
||||
g_system->getPaletteManager()->grabPalette(thumbPalette, 0, 256);
|
||||
|
||||
// Create a thumbnail and save it
|
||||
Graphics::Surface *thumb = new Graphics::Surface();
|
||||
Graphics::Surface *s = _vga->_page[1];
|
||||
::createThumbnail(thumb, (const byte *)s->pixels, SCR_WID, SCR_HIG, thumbPalette);
|
||||
Graphics::saveThumbnail(*out, *thumb);
|
||||
delete thumb;
|
||||
|
||||
// Write out the save date/time
|
||||
TimeDate td;
|
||||
g_system->getTimeAndDate(td);
|
||||
out->writeSint16LE(td.tm_year + 1900);
|
||||
out->writeSint16LE(td.tm_mon + 1);
|
||||
out->writeSint16LE(td.tm_mday);
|
||||
out->writeSint16LE(td.tm_hour);
|
||||
out->writeSint16LE(td.tm_min);
|
||||
}
|
||||
|
||||
void CGEEngine::syncGame(Common::SeekableReadStream *readStream, Common::WriteStream *writeStream, bool tiny) {
|
||||
Sprite *spr;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < POCKET_NX; i++) {
|
||||
register Sprite *s = _pocket[i];
|
||||
_pocref[i] = (s) ? s->_ref : -1;
|
||||
Common::Serializer s(readStream, writeStream);
|
||||
|
||||
if (s.isSaving()) {
|
||||
for (i = 0; i < POCKET_NX; i++) {
|
||||
register Sprite *s = _pocket[i];
|
||||
_pocref[i] = (s) ? s->_ref : -1;
|
||||
}
|
||||
|
||||
_volume[0] = _sndDrvInfo.Vol2._d;
|
||||
_volume[1] = _sndDrvInfo.Vol2._m;
|
||||
}
|
||||
|
||||
_volume[0] = _sndDrvInfo.Vol2._d;
|
||||
_volume[1] = _sndDrvInfo.Vol2._m;
|
||||
|
||||
Common::Serializer s(NULL, file);
|
||||
|
||||
// Synchronise header data
|
||||
syncHeader(s);
|
||||
|
||||
// Loop through saving the sprite data
|
||||
for (spr = _vga->_spareQ->first(); spr; spr = spr->_next) {
|
||||
if ((spr->_ref >= 1000) && !s.err())
|
||||
spr->sync(s);
|
||||
if (s.isSaving()) {
|
||||
// Loop through saving the sprite data
|
||||
for (spr = _vga->_spareQ->first(); spr; spr = spr->_next) {
|
||||
if ((spr->_ref >= 1000) && !s.err())
|
||||
spr->sync(s);
|
||||
}
|
||||
} else {
|
||||
// Loading game
|
||||
if (Startup::_core < CORE_HIG)
|
||||
_music = false;
|
||||
|
||||
if (Startup::_soundOk == 1 && Startup::_mode == 0) {
|
||||
_sndDrvInfo.Vol2._d = _volume[0];
|
||||
_sndDrvInfo.Vol2._m = _volume[1];
|
||||
sndSetVolume();
|
||||
}
|
||||
|
||||
if (! tiny) { // load sprites & pocket
|
||||
while (readStream->pos() < readStream->size()) {
|
||||
Sprite S(this, NULL);
|
||||
S.sync(s);
|
||||
|
||||
S._prev = S._next = NULL;
|
||||
spr = (scumm_stricmp(S._file + 2, "MUCHA") == 0) ? new Fly(this, NULL)
|
||||
: new Sprite(this, NULL);
|
||||
if (spr == NULL)
|
||||
error("No core");
|
||||
*spr = S;
|
||||
_vga->_spareQ->append(spr);
|
||||
}
|
||||
|
||||
for (i = 0; i < POCKET_NX; i++) {
|
||||
register int r = _pocref[i];
|
||||
delete _pocket[i];
|
||||
_pocket[i] = (r < 0) ? NULL : _vga->_spareQ->locate(r);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool CGEEngine::readSavegameHeader(Common::InSaveFile *in, SavegameHeader &header) {
|
||||
header.thumbnail = NULL;
|
||||
|
||||
// Get the savegame version
|
||||
header.version = in->readByte();
|
||||
if (header.version > CGE_SAVEGAME_VERSION)
|
||||
return false;
|
||||
|
||||
// Read in the string
|
||||
header.saveName.clear();
|
||||
char ch;
|
||||
while ((ch = (char)in->readByte()) != '\0') header.saveName += ch;
|
||||
|
||||
// Get the thumbnail
|
||||
header.thumbnail = new Graphics::Surface();
|
||||
if (!Graphics::loadThumbnail(*in, *header.thumbnail)) {
|
||||
delete header.thumbnail;
|
||||
header.thumbnail = NULL;
|
||||
return false;
|
||||
}
|
||||
|
||||
// Finish writing out game data
|
||||
file->finalize();
|
||||
// Read in save date/time
|
||||
header.saveYear = in->readSint16LE();
|
||||
header.saveMonth = in->readSint16LE();
|
||||
header.saveDay = in->readSint16LE();
|
||||
header.saveHour = in->readSint16LE();
|
||||
header.saveMinutes = in->readSint16LE();
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
void CGEEngine::heroCover(int cvr) {
|
||||
@ -483,9 +640,7 @@ void CGEEngine::qGame() {
|
||||
saveSound();
|
||||
|
||||
// Write out the user's progress
|
||||
Common::OutSaveFile *saveFile = g_system->getSavefileManager()->openForSaving(Common::String(_usrFnam));
|
||||
saveGame(saveFile);
|
||||
delete saveFile;
|
||||
saveGame(0, _usrFnam);
|
||||
|
||||
_vga->sunset();
|
||||
_finis = true;
|
||||
@ -773,6 +928,7 @@ void CGEEngine::takeName() {
|
||||
if (GetText::_ptr)
|
||||
SNPOST_(SNKILL, -1, 0, GetText::_ptr);
|
||||
else {
|
||||
memset(_usrFnam, 0, 15);
|
||||
GetText *tn = new GetText(this, _text->getText(GETNAME_PROMPT), _usrFnam, 8);
|
||||
if (tn) {
|
||||
tn->setName(_text->getText(GETNAME_TITLE));
|
||||
@ -1290,25 +1446,15 @@ void CGEEngine::tick() {
|
||||
|
||||
void CGEEngine::loadUser() {
|
||||
// set scene
|
||||
if (Startup::_mode == 0) { // user .SVG file found
|
||||
CFile cfile = CFile(usrPath(_usrFnam), REA, RCrypt);
|
||||
loadGame(cfile);
|
||||
if (Startup::_mode == 0) {
|
||||
// user .SVG file found - load it from slot 0
|
||||
loadGame(0, NULL);
|
||||
} else {
|
||||
if (Startup::_mode == 1) {
|
||||
SVG0FILE file = SVG0FILE(SVG0NAME);
|
||||
loadGame(file);
|
||||
// Load initial game state savegame
|
||||
loadGame(-1, NULL);
|
||||
} else {
|
||||
// TODO: I think this was only used by the original developers to create the initial
|
||||
// game state savegame. Verify this is the case, and if so remove this block
|
||||
loadScript(progName(INI_EXT));
|
||||
_music = true;
|
||||
|
||||
Common::OutSaveFile *saveFile = g_system->getSavefileManager()->openForSaving(
|
||||
Common::String(SVG0NAME));
|
||||
saveGame(saveFile);
|
||||
delete saveFile;
|
||||
|
||||
error("Ok [%s]", SVG0NAME);
|
||||
error("Creating setup savegames not supported");
|
||||
}
|
||||
}
|
||||
loadScript(progName(IN0_EXT));
|
||||
@ -1533,17 +1679,22 @@ bool CGEEngine::showTitle(const char *name) {
|
||||
_vga->copyPage(0, 1);
|
||||
_vga->_showQ->append(_mouse);
|
||||
//Mouse.On();
|
||||
_heart->_enable = true;
|
||||
for (takeName(); GetText::_ptr;) {
|
||||
mainLoop();
|
||||
if (_eventManager->_quitFlag)
|
||||
return false;
|
||||
}
|
||||
_heart->_enable = false;
|
||||
if (_keyboard->last() == Enter && *_usrFnam)
|
||||
|
||||
// For ScummVM, skip prompting for name if a savegame in slot 0 already exists
|
||||
if (savegameExists(0)) {
|
||||
strcpy(_usrFnam, "User");
|
||||
usr_ok = true;
|
||||
if (usr_ok)
|
||||
strcat(_usrFnam, SVG_EXT);
|
||||
} else {
|
||||
_heart->_enable = true;
|
||||
for (takeName(); GetText::_ptr;) {
|
||||
mainLoop();
|
||||
if (_eventManager->_quitFlag)
|
||||
return false;
|
||||
}
|
||||
_heart->_enable = false;
|
||||
if (_keyboard->last() == Enter && *_usrFnam)
|
||||
usr_ok = true;
|
||||
}
|
||||
//Mouse.Off();
|
||||
_vga->_showQ->clear();
|
||||
_vga->copyPage(0, 2);
|
||||
@ -1551,10 +1702,9 @@ bool CGEEngine::showTitle(const char *name) {
|
||||
}
|
||||
|
||||
if (usr_ok && Startup::_mode == 0) {
|
||||
const char *n = usrPath(_usrFnam);
|
||||
if (CFile::exist(n)) {
|
||||
CFile file = CFile(n, REA, RCrypt);
|
||||
loadGame(file, true); // only system vars
|
||||
if (savegameExists(0)) {
|
||||
// Load the savegame
|
||||
loadGame(0, NULL, true); // only system vars
|
||||
_vga->setColors(Vga::_sysPal, 64);
|
||||
_vga->update();
|
||||
if (_flag[3]) { //flag FINIS
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user