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gamedat.cc
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gamedat.cc
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/*
* gamedat.cc - Create gamedat files from a savegame.
*
* Copyright (C) 2000-2013 The Exult Team
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef WIN32
#ifndef UNDER_CE
#include <io.h>
#endif
#endif
#include <fstream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#if defined(XWIN)
#include <sys/stat.h>
#endif
#include <sstream>
#include "exceptions.h"
#include "fnames.h"
#include "gamewin.h"
#include "gameclk.h"
#include "gamemap.h"
#include "utils.h"
#include "gump_utils.h"
#include "game.h"
#include "Flex.h"
#include "databuf.h"
#include "Newfile_gump.h"
#include "Yesno_gump.h"
#include "actors.h"
#include "party.h"
#include "version.h"
#include <cstddef>
#ifndef offsetof // Broken <cstddef>? Just in case...
# define offsetof(type, field) reinterpret_cast<long>(&(static_cast<type *>(0)->field))
#endif
#ifndef UNDER_EMBEDDED_CE
using std::cerr;
using std::cout;
using std::stringstream;
using std::istream;
using std::ostream;
using std::string;
using std::endl;
using std::ifstream;
using std::ios;
using std::memset;
using std::ofstream;
using std::ostream;
using std::size_t;
using std::strchr;
using std::strcmp;
using std::strcpy;
using std::strlen;
using std::strncpy;
using std::time_t;
using std::tm;
using std::time_t;
#endif
#ifndef UNDER_CE
using std::localtime;
using std::time;
#else
#include <time.h>
#endif
// Save game compression level
extern int save_compression;
/*
* Write files from flex assuming first 13 characters of
* each flex object are an 8.3 filename.
*/
void Game_window::restore_flex_files(
DataSource &in,
const char *basepath
) {
in.seek(0x54); // Get to where file count sits.
int numfiles = in.read4();
in.seek(0x80); // Get to file info.
// Read pos., length of each file.
long *finfo = new long[2 * numfiles];
int i;
for (i = 0; i < numfiles; i++) {
finfo[2 * i] = in.read4(); // The position, then the length.
finfo[2 * i + 1] = in.read4();
}
int baselen = strlen(basepath);
for (i = 0; i < numfiles; i++) { // Now read each file.
// Get file length.
int len = finfo[2 * i + 1] - 13;
if (len <= 0)
continue;
in.seek(finfo[2 * i]); // Get to it.
char fname[50]; // Set up name.
strcpy(fname, basepath);
in.read(&fname[baselen], 13);
int namelen = strlen(fname);
// Watch for names ending in '.'.
if (fname[namelen - 1] == '.')
fname[namelen - 1] = 0;
// Now read the file.
char *buf = new char[len];
in.read(buf, len);
if (!memcmp(&fname[baselen], "map", 3)) {
// Multimap directory entry.
// Just for safety, we will force-terminate the filename
// at an appropriate position.
namelen = baselen + 5;
fname[namelen] = 0;
BufferDataSource ds(buf, len);
if (!Flex::is_flex(&ds))
// Save is most likely corrupted. Ignore the file but keep
// reading the savegame.
std::cerr << "Error reading flex: file '" <<
fname << "' is not a valid flex file. This probably means a corrupt save game." << endl;
else {
// fname should be a path hare.
U7mkdir(fname, 0755);
// Append trailing slash:
fname[namelen] = '/';
fname[namelen + 1] = 0;
restore_flex_files(ds, fname);
}
delete [] buf;
continue;
}
ofstream out;
U7open(out, fname);
out.write(buf, len); // Then write it out.
delete [] buf;
if (!out.good())
abort("Error writing '%s'.", fname);
out.close();
CYCLE_RED_PLASMA();
}
delete [] finfo;
}
/*
* Write out the gamedat directory from a saved game.
*
* Output: Aborts if error.
*/
void Game_window::restore_gamedat(
const char *fname // Name of savegame file.
) {
// Check IDENTITY.
const char *id = get_game_identity(fname);
const char *static_identity = get_game_identity(INITGAME);
// Note: "*" means an old game.
if (!id || (*id != '*' && strcmp(static_identity, id) != 0)) {
std::string msg("Wrong identity '");
msg += id;
msg += "'. Open anyway?";
int ok = Yesno_gump::ask(msg.c_str());
if (!ok) {
delete [] id;
delete [] static_identity;
return;
}
}
delete [] id;
delete [] static_identity;
// Check for a ZIP file first
#ifdef HAVE_ZIP_SUPPORT
if (restore_gamedat_zip(fname) != false)
return;
#endif
ifstream in_stream;
#ifdef RED_PLASMA
// Display red plasma during load...
setup_load_palette();
#endif
U7mkdir("<GAMEDAT>", 0755); // Create dir. if not already there. Don't
// use GAMEDAT define cause that's got a
// trailing slash
try {
U7open(in_stream, fname); // Open file; throws an exception
} catch (const file_exception &f) {
if (!Game::is_editing()) // Ok if map-editing.
throw;
std::cerr << "Warning (map-editing): Couldn't open '" <<
fname << "'" << endl;
return;
}
StreamDataSource in(&in_stream);
U7remove(USEDAT);
U7remove(USEVARS);
U7remove(U7NBUF_DAT);
U7remove(NPC_DAT);
U7remove(MONSNPCS);
U7remove(FLAGINIT);
U7remove(GWINDAT);
U7remove(IDENTITY);
U7remove(GSCHEDULE);
U7remove("<STATIC>/flags.flg");
U7remove(GSCRNSHOT);
U7remove(GSAVEINFO);
U7remove(GNEWGAMEVER);
U7remove(GEXULTVER);
U7remove(KEYRINGDAT);
U7remove(NOTEBOOKXML);
cout.flush();
restore_flex_files(in, GAMEDAT);
cout.flush();
#ifdef RED_PLASMA
load_palette_timer = 0;
#endif
}
/*
* Write out the gamedat directory from a saved game.
*
* Output: Aborts if error.
*/
void Game_window::restore_gamedat(
int num // 0-9, currently.
) {
char fname[50]; // Set up name.
snprintf(fname, 50, SAVENAME, num,
Game::get_game_type() == BLACK_GATE ? "bg" :
Game::get_game_type() == SERPENT_ISLE ? "si" : "dev");
restore_gamedat(fname);
}
/*
* List of 'gamedat' files to save (in addition to 'iregxx'):
*/
static const char *bgsavefiles[] = {
GSCRNSHOT, GSAVEINFO, // MUST BE FIRST!!
IDENTITY, // MUST BE #2
GEXULTVER, GNEWGAMEVER,
NPC_DAT, MONSNPCS,
USEVARS, USEDAT,
FLAGINIT, GWINDAT,
GSCHEDULE, NOTEBOOKXML
};
static const int bgnumsavefiles = sizeof(bgsavefiles) / sizeof(bgsavefiles[0]);
static const char *sisavefiles[] = {
GSCRNSHOT, GSAVEINFO, // MUST BE FIRST!!
IDENTITY, // MUST BE #2
GEXULTVER, GNEWGAMEVER,
NPC_DAT, MONSNPCS,
USEVARS, USEDAT,
FLAGINIT, GWINDAT,
GSCHEDULE, KEYRINGDAT,
NOTEBOOKXML
};
static const int sinumsavefiles = sizeof(sisavefiles) / sizeof(sisavefiles[0]);
/*
* Save a single file into an IFF repository.
*
* Output: Length of data saved.
* Errors reported.
*/
static long Savefile(
ostream &out, // Write here.
const char *fname // Name of file to save.
) {
ifstream in_stream;
try {
U7open(in_stream, fname);
} catch (exult_exception &e) {
if (Game::is_editing())
return 0; // Newly developed game.
throw;
}
StreamDataSource in(&in_stream);
long len = in.getSize();
in.seek(0);
char namebuf[13]; // First write 13-byte name.
memset(namebuf, 0, sizeof(namebuf));
const char *base = strrchr(fname, '/');// Want the base name.
if (!base)
base = strrchr(fname, '\\');
if (base)
base++;
else
base = fname;
strncpy(namebuf, base, sizeof(namebuf));
out.write(namebuf, sizeof(namebuf));
char *buf = new char[len]; // Get it all at once.
in.read(buf, len);
out.write(buf, len);
delete [] buf;
if (!in_stream.good())
throw file_read_exception(fname);
return len + 13; // Include filename.
}
static long SavefileFromDataSource(
ostream &out, // write here
DataSource &source, // read from here
const char *fname // store data using this filename
) {
long len = source.getSize();
char namebuf[13];
memset(namebuf, 0, sizeof(namebuf));
const char *base = strrchr(fname, '/');// Want the base name.
if (!base)
base = strrchr(fname, '\\');
if (base)
base++;
else
base = fname;
strncpy(namebuf, base, sizeof(namebuf));
out.write(namebuf, sizeof(namebuf));
char *buf = new char[len];
source.read(buf, len);
out.write(buf, len);
delete [] buf;
return len + 13;
}
inline static void save_gamedat_chunks(
Game_map *map,
ostream &out,
Flex_writer &flex) {
for (int schunk = 0; schunk < 12 * 12; schunk++) {
char iname[128];
//Check to see if the ireg exists before trying to
//save it; prevents crash when creating new maps
//for existing games
if (U7exists(map->get_schunk_file_name(U7IREG,
schunk, iname)))
Savefile(out, iname);
flex.mark_section_done();
}
}
/*
* Save 'gamedat' into a given file.
*
* Output: 0 if error (reported).
*/
void Game_window::save_gamedat(
const char *fname, // File to create.
const char *savename // User's savegame name.
) {
// First check for compressed save game
#ifdef HAVE_ZIP_SUPPORT
if (save_compression > 0 && save_gamedat_zip(fname, savename) != false)
return;
#endif
// setup correct file list
int numsavefiles = (Game::get_game_type() == BLACK_GATE) ?
bgnumsavefiles : sinumsavefiles;
const char **savefiles = (Game::get_game_type() == BLACK_GATE) ?
bgsavefiles : sisavefiles;
ofstream out;
U7open(out, fname);
vector<Game_map *>::iterator it;
int count = numsavefiles; // Count up #files to write.
count += 12 * 12 - 1; // First map outputs IREG's directly to
// gamedat flex, while all others have a flex
// of their own contained in gamedat flex.
for (it = maps.begin(); it != maps.end(); ++it)
if (*it)
count++;
// Use samename for title.
Flex_writer flex(out, savename, count);
int i; // Start with listed files.
for (i = 0; i < numsavefiles; i++) {
Savefile(out, savefiles[i]);
flex.mark_section_done();
}
// Now the Ireg's.
for (it = maps.begin(); it != maps.end(); ++it) {
if (!*it)
continue;
if (!(*it)->get_num())
// Map 0 is a special case.
save_gamedat_chunks(*it, out, flex);
else {
// Multimap directory entries. Each map is stored in their
// own flex file contained inside the general gamedat flex.
char dname[128];
// Need to have read/write access here.
std::stringstream outbuf(std::ios::in | std::ios::out | std::ios::binary);
StreamDataSource outds(dynamic_cast<std::ostream *>(&outbuf));
Flex_writer flexbuf(&outds,
(*it)->get_mapped_name(GAMEDAT, dname), 12 * 12);
// Save chunks to memory flex...
save_gamedat_chunks(*it, outbuf, flexbuf);
// ... and then close it.
flexbuf.close();
StreamDataSource inds(dynamic_cast<std::istream *>(&outbuf));
int len = strlen(dname);
if (dname[len - 1] == '/' || dname[len - 1] == '\\')
dname[len - 1] = 0; // Should always be the case.
SavefileFromDataSource(out, inds, dname);
flex.mark_section_done();
}
}
bool result = flex.close(); // Write it all out.
if (!result) // ++++Better error system needed??
throw file_write_exception(fname);
return;
}
/*
* Save to one of the numbered savegame files (and update save_names).
*
* Output: false if error (reported).
*/
void Game_window::save_gamedat(
int num, // 0-9, currently.
const char *savename // User's savegame name.
) {
char fname[50]; // Set up name.
snprintf(fname, 50, SAVENAME, num,
Game::get_game_type() == BLACK_GATE ? "bg" :
Game::get_game_type() == SERPENT_ISLE ? "si" : "dev");
save_gamedat(fname, savename);
if (num >= 0 && num < 10) {
delete [] save_names[num]; // Update name
save_names[num] = newstrdup(savename);
}
}
/*
* Read in the saved game names.
*/
void Game_window::read_save_names(
) {
for (unsigned int i = 0; i < sizeof(save_names) / sizeof(save_names[0]); i++) {
char fname[50]; // Set up name.
snprintf(fname, 50, SAVENAME, static_cast<int>(i),
GAME_BG ? "bg" : (GAME_SI ? "si" : "dev"));
ifstream in;
try {
U7open(in, fname);
char buf[0x50]; // It's at start of file.
memset(buf, 0, sizeof(buf));
in.read(buf, sizeof(buf) - 1);
if (in.good()) // Okay if file not there.
save_names[i] = newstrdup(buf);
else
save_names[i] = newstrdup("");
in.close();
} catch (const file_exception & /*f*/) {
save_names[i] = newstrdup("");
}
}
}
void Game_window::write_saveinfo() {
ofstream out_stream;
int i;
int save_count = 1;
try {
ifstream in;
U7open(in, GSAVEINFO); // Open file; throws an exception
StreamDataSource ds(&in);
ds.skip(10); // Skip 10 bytes.
save_count += ds.read2();
in.close();
} catch (const file_exception & /*f*/) {
}
int party_size = party_man->get_count() + 1;
time_t t = time(0);
struct tm *timeinfo = localtime(&t);
U7open(out_stream, GSAVEINFO); // Open file; throws an exception - Don't care
StreamDataSource out(&out_stream);
// This order must match struct SaveGame_Details
// Time that the game was saved
out.write1(timeinfo->tm_min);
out.write1(timeinfo->tm_hour);
out.write1(timeinfo->tm_mday);
out.write1(timeinfo->tm_mon + 1);
out.write2(timeinfo->tm_year + 1900);
// The Game Time that the save was done at
out.write1(clock->get_minute());
out.write1(clock->get_hour());
out.write2(clock->get_day());
out.write2(save_count);
out.write1(party_size);
out.write1(0); // Unused
out.write1(timeinfo->tm_sec); // 15
// Packing for the rest of the structure
for (size_t j = offsetof(SaveGame_Details, reserved0);
j < sizeof(SaveGame_Details); j++)
out.write1(0);
for (i = 0; i < party_size ; i++) {
Actor *npc;
if (i == 0)
npc = main_actor;
else
npc = get_npc(party_man->get_member(i - 1));
char name[18];
std::string namestr = npc->get_npc_name();
strncpy(name, namestr.c_str(), 18);
out.write(name, 18);
out.write2(npc->get_shapenum());
out.write4(npc->get_property(Actor::exp));
out.write4(npc->get_flags());
out.write4(npc->get_flags2());
out.write1(npc->get_property(Actor::food_level));
out.write1(npc->get_property(Actor::strength));
out.write1(npc->get_property(Actor::combat));
out.write1(npc->get_property(Actor::dexterity));
out.write1(npc->get_property(Actor::intelligence));
out.write1(npc->get_property(Actor::magic));
out.write1(npc->get_property(Actor::mana));
out.write1(npc->get_property(Actor::training));
out.write2(npc->get_property(Actor::health));
out.write2(npc->get_shapefile());
// Packing for the rest of the structure
for (size_t j = offsetof(SaveGame_Party, reserved1);
j < sizeof(SaveGame_Party); j++)
out.write1(0);
}
out_stream.close();
// Save Shape
Shape_file *map = create_mini_screenshot();
U7open(out_stream, GSCRNSHOT); // Open file; throws an exception - Don't care
map->save(&out);
out_stream.close();
delete map;
// Current Exult version
U7open(out_stream, GEXULTVER);
getVersionInfo(out_stream);
out_stream.close();
// Exult version that started this game
if (!U7exists(GNEWGAMEVER)) {
U7open(out_stream, GNEWGAMEVER);
out_stream << "Unknown" << endl;
out_stream.close();
}
}
void Game_window::read_saveinfo(DataSource *in,
SaveGame_Details *&details,
SaveGame_Party *&party) {
int i;
details = new SaveGame_Details;
// This order must match struct SaveGame_Details
// Time that the game was saved
details->real_minute = in->read1();
details->real_hour = in->read1();
details->real_day = in->read1();
details->real_month = in->read1();
details->real_year = in->read2();
// The Game Time that the save was done at
details->game_minute = in->read1();
details->game_hour = in->read1();
details->game_day = in->read2();
details->save_count = in->read2();
details->party_size = in->read1();
details->unused = in->read1(); // Unused
details->real_second = in->read1(); // 15
// Packing for the rest of the structure
in->skip(sizeof(SaveGame_Details) - offsetof(SaveGame_Details, reserved0));
party = new SaveGame_Party[details->party_size];
for (i = 0; i < 8 && i < details->party_size ; i++) {
in->read(party[i].name, 18);
party[i].shape = in->read2();
party[i].exp = in->read4();
party[i].flags = in->read4();
party[i].flags2 = in->read4();
party[i].food = in->read1();
party[i].str = in->read1();
party[i].combat = in->read1();
party[i].dext = in->read1();
party[i].intel = in->read1();
party[i].magic = in->read1();
party[i].mana = in->read1();
party[i].training = in->read1();
party[i].health = in->read2();
party[i].shape_file = in->read2();
// Packing for the rest of the structure
in->skip(sizeof(SaveGame_Party) - offsetof(SaveGame_Party, reserved1));
}
}
bool Game_window::get_saveinfo(int num, char *&name, Shape_file *&map, SaveGame_Details *&details, SaveGame_Party *&party) {
char fname[50]; // Set up name.
snprintf(fname, 50, SAVENAME, num,
Game::get_game_type() == BLACK_GATE ? "bg" :
Game::get_game_type() == SERPENT_ISLE ? "si" : "dev");
// First check for compressed save game
#ifdef HAVE_ZIP_SUPPORT
if (get_saveinfo_zip(fname, name, map, details, party) != false)
return true;
#endif
ifstream in_stream;
U7open(in_stream, fname); // Open file; throws an exception
StreamDataSource in(&in_stream);
// in case of an error.
// Always try to Read Name
char buf[0x50];
memset(buf, 0, sizeof(buf));
in.read(buf, sizeof(buf) - 1);
name = new char [strlen(buf) + 1];
strcpy(name, buf);
// Isn't a flex, can't actually read it
if (!Flex::is_flex(&in)) return false;
// Now get dir info
in.seek(0x54); // Get to where file count sits.
int numfiles = in.read4();
in.seek(0x80); // Get to file info.
// Read pos., length of each file.
long *finfo = new long[2 * numfiles];
int i;
for (i = 0; i < numfiles; i++) {
finfo[2 * i] = in.read4(); // The position, then the length.
finfo[2 * i + 1] = in.read4();
}
// Always first two entires
for (i = 0; i < 2; i++) { // Now read each file.
// Get file length.
int len = finfo[2 * i + 1] - 13;
if (len <= 0)
continue;
in.seek(finfo[2 * i]); // Get to it.
char fname[50]; // Set up name.
strcpy(fname, GAMEDAT);
in.read(&fname[sizeof(GAMEDAT) - 1], 13);
int namelen = strlen(fname);
// Watch for names ending in '.'.
if (fname[namelen - 1] == '.')
fname[namelen - 1] = 0;
if (!strcmp(fname, GSCRNSHOT)) {
char *buf = new char[len];
in.read(buf, len);
BufferDataSource ds(buf, len);
map = new Shape_file(&ds);
delete [] buf;
} else if (!strcmp(fname, GSAVEINFO)) {
read_saveinfo(&in, details, party);
}
}
in_stream.close();
delete [] finfo;
return true;
}
void Game_window::get_saveinfo(Shape_file *&map, SaveGame_Details *&details, SaveGame_Party *&party) {
try {
ifstream in;
U7open(in, GSAVEINFO); // Open file; throws an exception
StreamDataSource ds(&in);
read_saveinfo(&ds, details, party);
in.close();
} catch (const file_exception & /*f*/) {
details = NULL;
party = NULL;
}
try {
ifstream in;
U7open(in, GSCRNSHOT); // Open file; throws an exception
StreamDataSource ds(&in);
map = new Shape_file(&ds);
in.close();
} catch (const file_exception & /*f*/) {
// yes, this is weird, but seems to work-around a compiler
// problem... (gcc-2.95.2-12mdk) -wjp
map = 0;
map = 0;
}
}
/*
* Return string from IDENTITY in a savegame.
*
* Output: ->identity if found.
* 0 if error (or may throw exception).
* "*" if older savegame.
*/
const char *Game_window::get_game_identity(const char *savename) {
const char *game_identity = 0;
#ifdef HAVE_ZIP_SUPPORT
game_identity = get_game_identity_zip(savename);
if (game_identity)
return game_identity;
#endif
ifstream in_stream;
try {
U7open(in_stream, savename); // Open file.
} catch (const exult_exception &e) {
if (Game::is_editing()) { // Okay if creating a new game.
std::string titlestr = Game::get_gametitle();
return newstrdup(titlestr.c_str());
}
throw;
}
StreamDataSource in(&in_stream);
in.seek(0x54); // Get to where file count sits.
int numfiles = in.read4();
in.seek(0x80); // Get to file info.
// Read pos., length of each file.
sint32 *finfo = new sint32[2 * numfiles];
int i;
for (i = 0; i < numfiles; i++) {
finfo[2 * i] = in.read4(); // The position, then the length.
finfo[2 * i + 1] = in.read4();
}
for (i = 0; i < numfiles; i++) { // Now read each file.
// Get file length.
int len = finfo[2 * i + 1] - 13;
if (len <= 0)
continue;
in.seek(finfo[2 * i]); // Get to it.
char fname[50]; // Set up name.
in.read(fname, 13);
if (!strcmp("identity", fname)) {
char *identity = new char[len];
in.read(identity, len);
// Truncate identity
char *ptr = identity;
for (; (*ptr != 0x1a && *ptr != 0x0d && *ptr != 0x0a); ptr++)
;
*ptr = 0;
game_identity = identity;
break;
}
}
delete [] finfo;
return game_identity;
}
// Zip file support
#ifdef HAVE_ZIP_SUPPORT
#include "files/zip/unzip.h"
#include "files/zip/zip.h"
static const char *remove_dir(const char *fname) {
const char *base = strchr(fname, '/');// Want the base name.
if (!base)
base = strchr(fname, '\\');
if (base)
return base + 1;
return fname;
}
bool Game_window::get_saveinfo_zip(const char *fname, char *&name, Shape_file *&map, SaveGame_Details *&details, SaveGame_Party *&party) {
// If a flex, so can't read it
if (Flex::is_flex(fname)) return false;
std::string filestr = get_system_path(fname);
unzFile unzipfile = unzOpen(filestr.c_str());
if (!unzipfile) return false;
// Name comes from comment
char namebuf[0x50];
if (unzGetGlobalComment(unzipfile, namebuf, 0x50) <= 0) strncpy(namebuf, "UNNAMED", 0x50);
name = new char [strlen(namebuf) + 1];
strcpy(name, namebuf);
// Things we need
unz_file_info file_info;
char *buf = 0;
// Get the screenshot first
if (unzLocateFile(unzipfile, remove_dir(GSCRNSHOT), 2) == UNZ_OK) {
unzGetCurrentFileInfo(unzipfile, &file_info, NULL, 0, NULL, 0, NULL, 0);
buf = new char[file_info.uncompressed_size];
unzOpenCurrentFile(unzipfile);
unzReadCurrentFile(unzipfile, buf, file_info.uncompressed_size);
if (unzCloseCurrentFile(unzipfile) == UNZ_OK) {
BufferDataSource ds(buf, file_info.uncompressed_size);
map = new Shape_file(&ds);
}
delete [] buf;
}
// Now saveinfo
if (unzLocateFile(unzipfile, remove_dir(GSAVEINFO), 2) == UNZ_OK) {
unzGetCurrentFileInfo(unzipfile, &file_info, NULL, 0, NULL, 0, NULL, 0);
buf = new char[file_info.uncompressed_size];
unzOpenCurrentFile(unzipfile);
unzReadCurrentFile(unzipfile, buf, file_info.uncompressed_size);
if (unzCloseCurrentFile(unzipfile) == UNZ_OK) {
BufferDataSource ds(buf, file_info.uncompressed_size);
read_saveinfo(&ds, details, party);
}
delete [] buf;
}
unzClose(unzipfile);
return true;
}
// Level 2 Compression
bool Game_window::Restore_level2(
void *uzf, const char *dirname, int dirlen
) {
unzFile unzipfile = static_cast<unzFile>(uzf);
char oname[50]; // Set up name.
char *oname2 = oname + sizeof(GAMEDAT) + dirlen - 1;
char size_buffer[4];
int size;
strcpy(oname, dirname);
oname2[0] = '/';
oname2++;
if (unzOpenCurrentFile(unzipfile) != UNZ_OK) {
std::cerr << "Couldn't open current file" << std::endl;
return false;
}
while (!unzeof(unzipfile)) {
// Read Filename
oname2[12] = 0;
if (unzReadCurrentFile(unzipfile, oname2, 12) != 12) {
std::cerr << "Couldn't read for filename" << std::endl;
return false;
}
// Check to see if was are at the end of the list
if (*oname2 == 0) break;
// Get file length.
if (unzReadCurrentFile(unzipfile, size_buffer, 4) != 4) {
std::cerr << "Couldn't read for size" << std::endl;
return false;
}
BufferDataSource ds(size_buffer, 4);
size = ds.read4();
if (size) {
// Watch for names ending in '.'.
int namelen = strlen(oname);
if (oname[namelen - 1] == '.')
oname[namelen - 1] = 0;
// Now read the file.
char *buf = new char[size];
if (unzReadCurrentFile(unzipfile, buf, size) != size) {
delete [] buf;
std::cerr << "Couldn't read for buf" << std::endl;
return false;
}
// Then write it out.
ofstream out;
U7open(out, oname);
out.write(buf, size);
delete [] buf;
if (!out.good()) {
std::cerr << "out was bad" << std::endl;
return false;
}
out.close();
CYCLE_RED_PLASMA();
}
}
return unzCloseCurrentFile(unzipfile) == UNZ_OK;
}
/*
* Write out the gamedat directory from a saved game.
*
* Output: Aborts if error.
*/
bool Game_window::restore_gamedat_zip(
const char *fname // Name of savegame file.
) {
// If a flex, so can't read it
try {
if (Flex::is_flex(fname)) return false;
} catch (const file_exception & /*f*/) {
return false; // Ignore if not found.
}
#ifdef RED_PLASMA
// Display red plasma during load...
setup_load_palette();
#endif
std::string filestr = get_system_path(fname);
unzFile unzipfile = unzOpen(filestr.c_str());
if (!unzipfile) return false;
U7mkdir("<GAMEDAT>", 0755); // Create dir. if not already there. Don't
// use GAMEDAT define cause that's got a
// trailing slash
U7remove(USEDAT);
U7remove(USEVARS);
U7remove(U7NBUF_DAT);
U7remove(NPC_DAT);
U7remove(MONSNPCS);
U7remove(FLAGINIT);
U7remove(GWINDAT);
U7remove(IDENTITY);
U7remove(GSCHEDULE);
U7remove("<STATIC>/flags.flg");
U7remove(GSCRNSHOT);