static int extract_do(void)
{
FILE *fp;
clear();
moveto(SM_UPPER_THIRD);
print("= Extracting Files =");
fp = fileopen(filename, "rb");
if (!fp)
{
moveto(SM_CENTER);
print("cannot find executable %s", filename);
print("");
print("");
print("Please put it and it's \"data\" directory");
print("into the same folder as this program.");
run_until_key();
return 1;
}
if (extract_pxt(fp)) return 1;
if (extract_files(fp)) return 1;
if (extract_stages(fp)) return 1;
//findfiles(fp);
//exit(1);
clearstatus();
fclose(fp);
return 0;
}
int conclusion()
{
moveto(SM_MIDUPPER_Y);
print("Success!");
print("");
print("You can now remove the Doukutsu.exe file");
print("if you like, as it isn't needed anymore.");
print("Please leave the \"data\" directory though.");
print("");
print("Once you get to the title screen, you may want");
print("to adjust your resolution by pressing F3.");
print("");
print("Press any key to begin");
return run_until_key();
}
int introduction()
{
clear();
moveto(SM_UPPER_THIRD);
print("I need to extract some game data");
print("before I can start up for the first time.");
print("");
print("Before beginning, you should have the Aeon Genesis");
print("English translation of version 1.0.0.6, and drop");
print("Doukutsu.exe and it's \"data\" directory into the same");
print("folder as the \"nx\" program you just ran.");
print("");
#ifdef __SDLSHIM__
print("If you haven't done that yet, please press BTN1 now");
#else
print("If you haven't done that yet, please press ESCAPE now");
#endif
print("and come back in a moment. Otherwise, you can");
print("press any other key to start the extraction.");
return run_until_key();
}
bool extract_files(FILE *exefp)
{
uint8_t *buffer;
uint8_t *file;
uint32_t length;
uint32_t crc;
bool check_crc = true;
bool first_crc_failure = true;
buffer = (uint8_t *)malloc(MAX_FILE_SIZE);
crc_init();
for(int i=0;;i++)
{
const char *outfilename = files[i].filename;
if (!outfilename) break;
status("[ %s ]", outfilename);
// initialize header if any
file = buffer;
length = files[i].length;
if (files[i].header)
{
memcpy(buffer, files[i].header, HEADER_LEN);
file += HEADER_LEN;
length += HEADER_LEN;
}
// read data from exe
fseek(exefp, files[i].offset, SEEK_SET);
fread(file, files[i].length, 1, exefp);
if (check_crc)
{
crc = crc_calc(file, files[i].length);
if (crc != files[i].crc)
{
status("File '%s' failed CRC check.", outfilename);
print("");
#ifndef __SDLSHIM__
print("[I]gnore");
print("Ignore [A]ll");
print("[S]top");
#define IGNORE_BTN SDLK_i
#define IGNORE_ALL_BTN SDLK_a
#define STOP_BTN SDLK_s
#else
print("B1 - Ignore");
print("B2 - Ignore All");
print("B3 - Stop");
#define IGNORE_BTN SDLK_BTN1
#define IGNORE_ALL_BTN SDLK_BTN2
#define STOP_BTN SDLK_BTN3
#endif
for(;;)
{
switch(run_until_key(first_crc_failure))
{
case IGNORE_BTN:
break;
case IGNORE_ALL_BTN:
check_crc = false;
break;
#ifndef __SDLSHIM__
case SDLK_ESCAPE:
#endif
case STOP_BTN:
{
free(buffer);
return 1;
}
default:
continue;
}
break;
}
first_crc_failure = false;
}
}
// write out the file
createdir(outfilename);
FILE *fp = fileopen(outfilename, "wb");
if (!fp)
{
status("Failed to open '%s' for writing.", outfilename);
free(buffer);
return 1;
}
fwrite(buffer, length, 1, fp);
fclose(fp);
}
free(buffer);
return 0;
}
