albiongb.c

#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <io.h>
#include <stdio.h>
#include <stdint.h>
#include <conio.h>

int albion_boost_gold(const char *filename, uint16_t gold_to_give) {
    
    int fd;
    char buf[4];
    uint16_t gold;
    char found = 0;

    // open save file
    fd = _open(filename, _O_RDWR);
    
    if (fd == -1) {
        printf("error: failed to open file.\n");
        return 1;
    }

    // scan until we find the first "XLD0"
    while (!_eof(fd)) {
        _read(fd, buf, 4);
        if (buf[0] == 'X' && buf[1] == 'L' && buf[2] == 'D' && buf[3] == '0') {
            //printf("found xld0 at offset %X\n", _lseek(fd, 0, SEEK_CUR));
            found = 1;
            break;
        }
    }

    if (!found) {
        printf("error: unable to locate XLD record.\n");
        return 2;
    }

    // skip 245 bytes to the start of the "hero" record
    _lseek(fd, 245, SEEK_CUR);

    // skip to the gold
    _lseek(fd, 15, SEEK_CUR);

    // read existing value
    _read(fd, &gold, 2);
    _lseek(fd, -2, SEEK_CUR);

    printf("Tom has %d gold. Do you want to boost? : ", 
                 gold / 10);

    if (_getch() != 'y') {
        printf("\n");
        return 3;
    }

    printf("\nBoosting by %d to %d.\n", 
                 gold_to_give, 
                 gold / 10 + gold_to_give);

    // increase "Tom" character gold by X
    gold += gold_to_give * 10;
    _write(fd, &gold, 2);

    // close save file
    _close(fd);

    return 0;
}

int main(int argc, char *argv[]) {

    if (argc <= 1) {
        printf("error: filename required.\n");
        return 1;
    }

    return albion_boost_gold(argv[1], 100);

    return 0;
}