/* *****************************************************
  MaxDrive Duo save extractor to SC format
  ******************************************************
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>

#define PROG_NAME "max2sc.exe"
typedef unsigned char u8;
typedef unsigned int u32;

char *outputFilename = NULL;

void usage()
{
printf("-------------------------------\n");
printf("Invalid command line.\n");
printf("Usage:\n\t%s infile.*\n", PROG_NAME);
printf("-------------------------------\n");
}



int main(int argc, char *argv[])
{
    int count = 0;
    u32 i, total, bytes = 0;
    FILE *in1, *out;       /* In and out FILE Streams to read/write data */

    if((argc != 2) || (argv[1] == NULL))
    {  /* Error check the command line */
        usage();                  /* Display Usage Information on error */
        return 0;               /* Exit Program returning 0 - no error */
    }

    if (( in1 = fopen(argv[1], "rb")) == NULL) /* Error Check File Streams */
    {
        printf("Error opening %s.\n", argv[1]);
    }
    outputFilename = argv[1];
    strcat (outputFilename,".out");

    if (( out = fopen(outputFilename, "wb")) == NULL)
    {
        printf("Error opening *.out.\n");
    }
    i=0;
    //get first 500 bytes and skip them
    while (i < 500)
    {
        getc(in1);
        i++;
    }

    //write next bytes to outfile till EOF of in file
    while((count = getc(in1)) != EOF) // add the data
    {
       bytes++;    // Increment counter of filesize
       putc(count, out);
    }
    printf("%d gamedata bytes read and copied\n", bytes);

    //pad outfile to 262144 (256k) - infile bytes
    total = 262144;
    while (bytes < total)
    {
        putc('\0', out);
        bytes++;
    }
    printf("%d bytes written to outfile", bytes);

    fclose(in1);
    fclose(out);

    return 0;
}