GLK: Further changeover of sub-engines to use new savegame code

This commit is contained in:
Paul Gilbert 2019-06-16 13:29:15 -07:00
parent 3876fb6710
commit 553bb74f8c
22 changed files with 217 additions and 136 deletions

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@ -5,6 +5,7 @@ engines/glk/advsys/advsys.cpp
engines/glk/advsys/vm.cpp
engines/glk/alan2/alan2.cpp
engines/glk/frotz/detection.cpp
engines/glk/frotz/frotz.cpp
engines/glk/glulxe/glulxe.cpp
engines/glk/magnetic/magnetic.cpp
engines/glk/scott/scott.cpp

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@ -102,11 +102,13 @@ bool AdvSys::singleAction() {
return true;
}
Common::Error AdvSys::loadGameData(strid_t save) {
Common::Error AdvSys::readSaveData(Common::SeekableReadStream *rs) {
rs->read(_saveArea, rs->size());
return Common::kNoError;
}
Common::Error AdvSys::saveGameData(strid_t save, const Common::String &desc) {
Common::Error AdvSys::writeGameData(Common::WriteStream *ws) {
ws->write(_saveArea, _saveSize);
return Common::kNoError;
}

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@ -67,14 +67,15 @@ public:
}
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t save) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t save, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
};
} // End of namespace AdvSys

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@ -61,14 +61,14 @@ void Alan2::runGame() {
// TODO
}
Common::Error Alan2::loadGameData(strid_t file) {
Common::Error Alan2::readSaveData(Common::SeekableReadStream *rs) {
// TODO
return Common::kNoError;
return Common::kReadingFailed;
}
Common::Error Alan2::saveGameData(strid_t file, const Common::String &desc) {
Common::Error Alan2::writeGameData(Common::WriteStream *ws) {
// TODO
return Common::kNoError;
return Common::kWritingFailed;
}
bool Alan2::is_gamefile_valid() {

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@ -68,14 +68,15 @@ public:
virtual InterpreterType getInterpreterType() const override { return INTERPRETER_ALAN2; }
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t file) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
/**
* Output a string to the screen

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@ -26,6 +26,7 @@
#include "glk/frotz/quetzal.h"
#include "engines/util.h"
#include "common/config-manager.h"
#include "common/translation.h"
namespace Glk {
namespace Frotz {
@ -90,17 +91,13 @@ void Frotz::initialize() {
z_restart();
}
Common::Error Frotz::saveGameData(strid_t file, const Common::String &desc) {
Quetzal q(story_fp);
bool success = q.save(*file, this, desc);
Common::Error Frotz::loadGameState(int slot) {
FileReference ref(slot, "", fileusage_SavedGame | fileusage_TextMode);
if (!success)
print_string("Error writing save file\n");
strid_t file = _streams->openFileStream(&ref, filemode_Read);
if (file == nullptr)
return Common::kReadingFailed;
return Common::kNoError;
}
Common::Error Frotz::loadGameData(strid_t file) {
Quetzal q(story_fp);
bool success = q.restore(*file, this) == 2;
@ -123,14 +120,32 @@ Common::Error Frotz::loadGameData(strid_t file) {
* seems to cover up most of the resulting badness.
*/
if (h_version > V3 && h_version != V6 && (h_screen_rows != old_screen_rows
|| h_screen_cols != old_screen_cols))
|| h_screen_cols != old_screen_cols))
erase_window(1);
} else {
error("Error reading save file");
error(_("Error reading save file"));
}
return Common::kNoError;
}
Common::Error Frotz::saveGameState(int slot, const Common::String &desc) {
Common::String msg;
FileReference ref(slot, desc, fileusage_BinaryMode | fileusage_SavedGame);
strid_t file = _streams->openFileStream(&ref, filemode_Write);
if (file == nullptr)
return Common::kWritingFailed;
Quetzal q(story_fp);
bool success = q.save(*file, this, desc);
if (!success)
print_string(_("Error writing save file\n"));
return Common::kNoError;
}
} // End of namespace Frotz
} // End of namespace Glk

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@ -72,14 +72,25 @@ public:
virtual void runGame() override;
/**
* Load a savegame from the passed stream
* Load a savegame from a given slot
*/
virtual Common::Error loadGameData(strid_t file) override;
virtual Common::Error loadGameState(int slot) override;
/**
* Save the game to the passed stream
* Save the game to a given slot
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) override;
virtual Common::Error saveGameState(int slot, const Common::String &desc) override;
/**
* Loading method not used for Frotz sub-engine
*/
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override { return Common::kReadingFailed; }
/**
* Saving method not used for Frotz sub-engine
*/
virtual Common::Error writeGameData(Common::WriteStream *ws) override { return Common::kWritingFailed; }
};
extern Frotz *g_vm;

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@ -33,6 +33,7 @@
#include "glk/conf.h"
#include "glk/events.h"
#include "glk/picture.h"
#include "glk/quetzal.h"
#include "glk/screen.h"
#include "glk/selection.h"
#include "glk/sound.h"
@ -182,10 +183,32 @@ Common::Error GlkEngine::loadGameState(int slot) {
if (file == nullptr)
return Common::kReadingFailed;
Common::Error result = loadGameData(file);
Common::ErrorCode errCode = Common::kNoError;
QuetzalReader r;
if (r.open(*file, ID_IFSF)) {
// First scan for a SCVM chunk. It has information of the game the save is for,
// so if present we can validate the save is for this game
for (QuetzalReader::Iterator it = r.begin(); it != r.end(); ++it) {
if ((*it)._id == ID_SCVM) {
}
}
if (errCode != Common::kNoError) {
// Scan for an uncompressed memory chunk
errCode = Common::kReadingFailed; // Presume we won't find chunk
for (QuetzalReader::Iterator it = r.begin(); it != r.end(); ++it) {
if ((*it)._id == ID_UMem) {
Common::SeekableReadStream *rs = it.getStream();
errCode = readSaveData(rs).getCode();
delete rs;
}
}
}
}
file->close();
return result;
return errCode;
}
Common::Error GlkEngine::saveGameState(int slot, const Common::String &desc) {
@ -196,10 +219,21 @@ Common::Error GlkEngine::saveGameState(int slot, const Common::String &desc) {
if (file == nullptr)
return Common::kWritingFailed;
Common::Error result = saveGameData(file, desc);
Common::ErrorCode errCode = Common::kNoError;
QuetzalWriter w;
// Add the uncompressed memory chunk with the game's save data
{
Common::WriteStream &ws = w.add(ID_UMem);
errCode = writeGameData(&ws).getCode();
}
if (errCode != Common::kNoError) {
w.save(*file, desc);
}
file->close();
return result;
return errCode;
}
void GlkEngine::beep() {

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@ -198,14 +198,15 @@ public:
virtual Common::Error saveGameState(int slot, const Common::String &desc) override;
/**
* Load a savegame from the passed file
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t file) = 0;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) = 0;
/**
* Save the game to the passed file
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) = 0;
virtual Common::Error writeGameData(Common::WriteStream *ws) = 0;
/**
* Generate a beep

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@ -681,12 +681,20 @@ PerformJump: /* goto label for successful jumping... ironic, no? */
case op_save:
push_callstub(inst[1].desttype, inst[1].value);
#ifdef TODO
value = saveGameData(find_stream_by_id(inst[0].value), "Savegame").getCode() == Common::kNoError ? 0 : 1;
#else
error("TODO");
#endif
pop_callstub(value);
break;
case op_restore:
#ifdef TODO
value = loadGameData(find_stream_by_id(inst[0].value)).getCode() == Common::kNoError ? 0 : 1;
#else
error("TODO");
#endif
if (value == 0) {
/* We've succeeded, and the stack now contains the callstub
saved during saveundo. Ignore this opcode's operand. */

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@ -407,14 +407,15 @@ public:
}
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t str) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t str, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
/**
* \defgroup Main access methods

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@ -232,13 +232,13 @@ uint Glulxe::perform_restoreundo() {
return res;
}
Common::Error Glulxe::saveGameData(strid_t str, const Common::String &desc) {
Common::Error Glulxe::writeGameData(Common::WriteStream *ws) {
dest_t dest;
int ix;
uint res, lx, val;
uint res = 0, lx, val;
uint memstart = 0, memlen = 0, stackstart = 0, stacklen = 0;
uint heapstart = 0, heaplen = 0, filestart = 0, filelen = 0;
#ifdef TODO
stream_get_iosys(&val, &lx);
if (val != 2) {
/* Not using the Glk I/O system, so bail. This function only
@ -246,14 +246,14 @@ Common::Error Glulxe::saveGameData(strid_t str, const Common::String &desc) {
fatal_error("Streams are only available in Glk I/O system.");
}
if (str == nullptr)
if (ws == nullptr)
return Common::kUnknownError;
dest.ismem = false;
dest.size = 0;
dest.pos = 0;
dest.ptr = nullptr;
dest.str = str;
dest.str = ws;
res = 0;
@ -357,11 +357,11 @@ Common::Error Glulxe::saveGameData(strid_t str, const Common::String &desc) {
}
/* All done. */
#endif
return res ? Common::kUnknownError : Common::kNoError;
}
Common::Error Glulxe::loadGameData(strid_t str) {
Common::Error Glulxe::readSaveData(Common::SeekableReadStream *rs) {
dest_t dest;
int ix;
uint lx, res, val;
@ -369,7 +369,7 @@ Common::Error Glulxe::loadGameData(strid_t str) {
uint heapsumlen = 0;
uint *heapsumarr = nullptr;
bool fromshell = false;
#ifdef TODO
/* If profiling is enabled and active then fail. */
#if VM_PROFILING
if (profile_profiling_active())
@ -475,7 +475,7 @@ Common::Error Glulxe::loadGameData(strid_t str) {
if (res)
return Common::kUnknownError;
#endif
return Common::kNoError;
}

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@ -152,7 +152,7 @@ void Hugo::runGame() {
hugo_closefiles();
}
Common::Error Hugo::loadGameData(strid_t save) {
Common::Error Hugo::readSaveData(Common::SeekableReadStream *rs) {
char testid[3], testserial[9];
int lbyte, hbyte;
int j;
@ -160,18 +160,18 @@ Common::Error Hugo::loadGameData(strid_t save) {
long i;
/* Check ID */
testid[0] = (char)hugo_fgetc(save);
testid[1] = (char)hugo_fgetc(save);
testid[0] = (char)hugo_fgetc(rs);
testid[1] = (char)hugo_fgetc(rs);
testid[2] = '\0';
if (hugo_ferror(save)) goto RestoreError;
if (hugo_ferror(rs)) goto RestoreError;
if (strcmp(testid, id)) {
GUIErrorMessage("Incorrect save file.");
GUIErrorMessage("Incorrect rs file.");
goto RestoreError;
}
/* Check serial number */
if (!hugo_fgets(testserial, 9, save)) goto RestoreError;
if (!hugo_fgets(testserial, 9, rs)) goto RestoreError;
if (strcmp(testserial, serial))
{
GUIErrorMessage("Save file created by different version.");
@ -181,7 +181,7 @@ Common::Error Hugo::loadGameData(strid_t save) {
/* Restore variables */
for (k=0; k<MAXGLOBALS+MAXLOCALS; k++)
{
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF)
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF)
goto RestoreError;
var[k] = lbyte + hbyte * 256;
}
@ -193,11 +193,11 @@ Common::Error Hugo::loadGameData(strid_t save) {
while (i<codeend-(long)(objtable*16L))
{
if ((hbyte = hugo_fgetc(save))==EOF && hugo_ferror(save)) goto RestoreError;
if ((hbyte = hugo_fgetc(rs))==EOF && hugo_ferror(rs)) goto RestoreError;
if (hbyte==0)
{
if ((lbyte = hugo_fgetc(save))==EOF && hugo_ferror(save)) goto RestoreError;
if ((lbyte = hugo_fgetc(rs))==EOF && hugo_ferror(rs)) goto RestoreError;
SETMEM(objtable*16L+i, (unsigned char)lbyte);
i++;
@ -217,28 +217,25 @@ Common::Error Hugo::loadGameData(strid_t save) {
}
/* Restore undo data */
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF)
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF)
goto RestoreError;
undosize = lbyte + hbyte*256;
/* We can only restore undo data if it was saved by a port with
the same MAXUNDO as us */
if (undosize==MAXUNDO)
{
for (k=0; k<MAXUNDO; k++)
{
for (j=0; j<5; j++)
{
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF)
if (undosize == MAXUNDO) {
for (k = 0; k < MAXUNDO; k++) {
for (j=0; j<5; j++) {
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF)
goto RestoreError;
undostack[k][j] = lbyte + hbyte*256;
}
}
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF) goto RestoreError;
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF) goto RestoreError;
undoptr = lbyte + hbyte*256;
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF) goto RestoreError;
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF) goto RestoreError;
undoturn = lbyte + hbyte*256;
if ((lbyte = hugo_fgetc(save))==EOF || (hbyte = hugo_fgetc(save))==EOF) goto RestoreError;
if ((lbyte = hugo_fgetc(rs))==EOF || (hbyte = hugo_fgetc(rs))==EOF) goto RestoreError;
undoinvalid = (unsigned char)lbyte, undorecord = (unsigned char)hbyte;
}
else undoinvalid = true;
@ -249,32 +246,31 @@ RestoreError:
return Common::kReadingFailed;
}
Common::Error Hugo::saveGameData(strid_t save, const Common::String &desc) {
Common::Error Hugo::writeGameData(Common::WriteStream *ws) {
int c, j;
int lbyte, hbyte;
long i;
int samecount = 0;
/* Write ID */
if (hugo_fputc(id[0], save) == EOF || hugo_fputc(id[1], save) == EOF) goto SaveError;
if (hugo_fputc(id[0], ws) == EOF || hugo_fputc(id[1], ws) == EOF) goto SaveError;
/* Write serial number */
if (hugo_fputs(serial, save) == EOF) goto SaveError;
if (hugo_fputs(serial, ws) == EOF) goto SaveError;
/* Save variables */
for (c = 0; c<MAXGLOBALS + MAXLOCALS; c++)
{
hbyte = (unsigned int)var[c] / 256;
lbyte = (unsigned int)var[c] - hbyte * 256;
if (hugo_fputc(lbyte, save) == EOF || hugo_fputc(hbyte, save) == EOF) goto SaveError;
if (hugo_fputc(lbyte, ws) == EOF || hugo_fputc(hbyte, ws) == EOF) goto SaveError;
}
/* Save objtable to end of code space */
if (hugo_fseek(game, objtable * 16L, SEEK_SET)) goto SaveError;
for (i = 0; i <= codeend - (long)(objtable * 16L); i++)
{
for (i = 0; i <= codeend - (long)(objtable * 16L); i++) {
if ((lbyte = hugo_fgetc(game)) == EOF) goto SaveError;
hbyte = MEM(objtable * 16L + i);
@ -282,45 +278,42 @@ Common::Error Hugo::saveGameData(strid_t save, const Common::String &desc) {
if (lbyte == hbyte && samecount<255) samecount++;
/* If memory differs (or samecount exceeds 1 byte) */
else
{
else {
if (samecount)
if (hugo_fputc(samecount, save) == EOF) goto SaveError;
if (hugo_fputc(samecount, ws) == EOF) goto SaveError;
if (lbyte != hbyte)
{
if (hugo_fputc(0, save) == EOF) goto SaveError;
if (hugo_fputc(hbyte, save) == EOF) goto SaveError;
if (hugo_fputc(0, ws) == EOF) goto SaveError;
if (hugo_fputc(hbyte, ws) == EOF) goto SaveError;
samecount = 0;
}
else samecount = 1;
}
}
if (samecount)
if (hugo_fputc(samecount, save) == EOF) goto SaveError;
if (hugo_fputc(samecount, ws) == EOF) goto SaveError;
/* Save undo data */
/* Save the number of turns in this port's undo stack */
hbyte = (unsigned int)MAXUNDO / 256;
lbyte = (unsigned int)MAXUNDO - hbyte * 256;
if (hugo_fputc(lbyte, save) == EOF || hugo_fputc(hbyte, save) == EOF)
if (hugo_fputc(lbyte, ws) == EOF || hugo_fputc(hbyte, ws) == EOF)
goto SaveError;
for (c = 0; c<MAXUNDO; c++)
{
for (j = 0; j<5; j++)
{
for (c = 0; c < MAXUNDO; c++) {
for (j = 0; j < 5; j++) {
hbyte = (unsigned int)undostack[c][j] / 256;
lbyte = (unsigned int)undostack[c][j] - hbyte * 256;
if (hugo_fputc(lbyte, save) == EOF || hugo_fputc(hbyte, save) == EOF)
if (hugo_fputc(lbyte, ws) == EOF || hugo_fputc(hbyte, ws) == EOF)
goto SaveError;
}
}
if (hugo_fputc(undoptr - (undoptr / 256) * 256, save) == EOF || hugo_fputc(undoptr / 256, save) == EOF)
if (hugo_fputc(undoptr - (undoptr / 256) * 256, ws) == EOF || hugo_fputc(undoptr / 256, ws) == EOF)
goto SaveError;
if (hugo_fputc(undoturn - (undoturn / 256) * 256, save) == EOF || hugo_fputc(undoturn / 256, save) == EOF)
if (hugo_fputc(undoturn - (undoturn / 256) * 256, ws) == EOF || hugo_fputc(undoturn / 256, ws) == EOF)
goto SaveError;
if (hugo_fputc(undoinvalid, save) == EOF || hugo_fputc(undorecord, save) == EOF)
if (hugo_fputc(undoinvalid, ws) == EOF || hugo_fputc(undorecord, ws) == EOF)
goto SaveError;
return Common::kNoError;

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@ -1191,14 +1191,15 @@ public:
virtual InterpreterType getInterpreterType() const override { return INTERPRETER_HUGO; }
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t save) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t save, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
};
} // End of namespace Hugo

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@ -58,14 +58,14 @@ void Magnetic::runGame() {
// TODO
}
Common::Error Magnetic::loadGameData(strid_t file) {
Common::Error Magnetic::readSaveData(Common::SeekableReadStream *rs) {
// TODO
return Common::kNoError;
return Common::kReadingFailed;
}
Common::Error Magnetic::saveGameData(strid_t file, const Common::String &desc) {
Common::Error Magnetic::writeGameData(Common::WriteStream *ws) {
// TODO
return Common::kNoError;
return Common::kWritingFailed;
}
bool Magnetic::is_gamefile_valid() {

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@ -191,14 +191,15 @@ public:
virtual InterpreterType getInterpreterType() const override { return INTERPRETER_MAGNETIC; }
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t file) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
};
} // End of namespace Magnetic

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@ -29,15 +29,6 @@
namespace Glk {
static Common::String readString(Common::ReadStream *src) {
char c;
Common::String result;
while ((c = src->readByte()) != 0)
result += c;
return result;
}
void QuetzalReader::clear() {
_chunks.clear();
_stream = nullptr;
@ -141,6 +132,15 @@ bool QuetzalReader::getSavegameMetaInfo(Common::SeekableReadStream *rs, SaveStat
return true;
}
Common::String QuetzalReader::readString(Common::ReadStream *src) {
char c;
Common::String result;
while ((c = src->readByte()) != 0)
result += c;
return result;
}
/*--------------------------------------------------------------------------*/
Common::WriteStream &QuetzalWriter::add(uint32 chunkId) {

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@ -143,6 +143,11 @@ public:
* Loads a Quetzal save and extract's it's description and meta info
*/
static bool getSavegameMetaInfo(Common::SeekableReadStream *rs, SaveStateDescriptor &ssd);
/**
* Support method for reading a string from a stream
*/
static Common::String readString(Common::ReadStream *src);
};
/**

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@ -21,6 +21,7 @@
*/
#include "glk/scott/scott.h"
#include "glk/quetzal.h"
#include "common/config-manager.h"
#include "common/translation.h"
@ -508,41 +509,44 @@ void Scott::lineInput(char *buf, size_t n) {
buf[ev.val1] = 0;
}
Common::Error Scott::saveGameData(strid_t file, const Common::String &desc) {
Common::Error Scott::writeGameData(Common::WriteStream *ws) {
Common::String msg;
for (int ct = 0; ct < 16; ct++) {
msg = Common::String::format("%d %d\n", _counters[ct], _roomSaved[ct]);
glk_put_string_stream(file, msg.c_str());
ws->write(msg.c_str(), msg.size());
ws->writeByte(0);
}
msg = Common::String::format("%u %d %d %d %d %d\n",
_bitFlags, (_bitFlags & (1 << DARKBIT)) ? 1 : 0,
MY_LOC, _currentCounter, _savedRoom, _gameHeader._lightTime);
glk_put_string_stream(file, msg.c_str());
ws->write(msg.c_str(), msg.size());
ws->writeByte(0);
for (int ct = 0; ct <= _gameHeader._numItems; ct++) {
msg = Common::String::format("%hd\n", (short)_items[ct]._location);
glk_put_string_stream(file, msg.c_str());
ws->write(msg.c_str(), msg.size());
ws->writeByte(0);
}
output(_("Saved.\n"));
return Common::kNoError;
}
Common::Error Scott::loadGameData(strid_t file) {
char buf[128];
Common::Error Scott::readSaveData(Common::SeekableReadStream *rs) {
Common::String line;
int ct = 0;
short lo;
short darkFlag;
for (ct = 0; ct < 16; ct++) {
glk_get_line_stream(file, buf, sizeof buf);
sscanf(buf, "%d %d", &_counters[ct], &_roomSaved[ct]);
line = QuetzalReader::readString(rs);
sscanf(line.c_str(), "%d %d", &_counters[ct], &_roomSaved[ct]);
}
glk_get_line_stream(file, buf, sizeof buf);
sscanf(buf, "%u %hd %d %d %d %d\n",
line = QuetzalReader::readString(rs);
sscanf(line.c_str(), "%u %hd %d %d %d %d\n",
&_bitFlags, &darkFlag, &MY_LOC, &_currentCounter, &_savedRoom,
&_gameHeader._lightTime);
@ -550,8 +554,8 @@ Common::Error Scott::loadGameData(strid_t file) {
if (darkFlag)
_bitFlags |= (1 << 15);
for (ct = 0; ct <= _gameHeader._numItems; ct++) {
glk_get_line_stream(file, buf, sizeof buf);
sscanf(buf, "%hd\n", &lo);
line = QuetzalReader::readString(rs);
sscanf(line.c_str(), "%hd\n", &lo);
_items[ct]._location = (unsigned char)lo;
}

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@ -177,14 +177,15 @@ public:
virtual void runGame() override;
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t file) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
};
} // End of namespace Scott

View File

@ -42,14 +42,14 @@ bool TADS::hasFeature(EngineFeature f) const {
return GlkAPI::hasFeature(f);
}
Common::Error TADS::loadGameData(strid_t file) {
Common::Error TADS::readSaveData(Common::SeekableReadStream *rs) {
// TODO
return Common::kNoError;
return Common::kReadingFailed;
}
Common::Error TADS::saveGameData(strid_t file, const Common::String &desc) {
Common::Error TADS::writeGameData(Common::WriteStream *ws) {
// TODO
return Common::kNoError;
return Common::kWritingFailed;
}
} // End of namespace TADS

View File

@ -54,14 +54,15 @@ public:
virtual bool hasFeature(EngineFeature f) const override;
/**
* Load a savegame from the passed stream
* Load a savegame from the passed Quetzal file chunk stream
*/
virtual Common::Error loadGameData(strid_t file) override;
virtual Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Save the game to the passed stream
* Save the game. The passed write stream represents access to the UMem chunk
* in the Quetzal save file that will be created
*/
virtual Common::Error saveGameData(strid_t file, const Common::String &desc) override;
virtual Common::Error writeGameData(Common::WriteStream *ws) override;
};
extern TADS *g_vm;