[U/SM] ALYT Tool

/*
*   alytDumper.c
*       by Reisyukaku
*
*   Dumps media from GameFreak's ALYT format.
*/

#include <stdio.h>
#include <stdint.h>
#include <malloc.h>
#include <string.h>

typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;

typedef struct{
    u32 magic;
    u32 unk;
    u32 *entries;
} Lyt;

typedef struct{
    u32 magic;
    u16 majorVer;
    u16 minorVer;
    u32 ltblOff;
    u32 ltblSize;
    u32 lmtlOff;
    u32 lmtlSize;
    u32 lfntOff;
    u32 lfntSize;
    u32 contOff;
    u32 contSize;
    Lyt *ltbl;
    Lyt *lmtl;
    Lyt *lfnt;
} AlytHeader;


int main(int argc, char **argv){
    if(argc != 2){
        printf("Usage: %s <alyt file>\n", argv[0]);
        return -1;
    }

    //Open file
    FILE *fp;
    size_t fileSize;
    fp = fopen(argv[1], "rb");
    if(!fp) {printf("File not found!\n"); return -1;}

    //Parse header
    AlytHeader alyt;
    fread(&alyt, 0x28, 1, fp);
    if(alyt.magic != 0x54594C41) {printf("Not a ALYT file!\n"); return -1;} //Magic ALYT
    alyt.ltbl = malloc(alyt.ltblSize);
    alyt.lmtl = malloc(alyt.lmtlSize);
    alyt.lfnt = malloc(alyt.lfntSize);

    //Parse tables
    fseek(fp, alyt.ltblOff, SEEK_SET);
    fread(alyt.ltbl, alyt.ltblSize, 1, fp);
    fseek(fp, alyt.lmtlOff, SEEK_SET);
    fread(alyt.lmtl, alyt.lmtlSize, 1, fp);
    fseek(fp, alyt.lfntOff, SEEK_SET);
    fread(alyt.lfnt, alyt.lfntSize, 1, fp);

    fseek(fp, alyt.contOff, SEEK_SET);

    //Read symbols table
    char string[0x40];
    u32 numOfEntries = 0, i;
    printf("ALYT Tool\n-----------\n");

    fread(&numOfEntries, sizeof(u32), 1, fp);
    printf("Symbol entries: %d [%08X]\n\n", numOfEntries, alyt.contOff);
    for(i = 0; i < numOfEntries; i++){
        fseek(fp, (alyt.contOff + 4) + (i*0x40), SEEK_SET);
        fread(string, sizeof(char), 0x40, fp);
        printf("%s\n", string);
    }

    u32 currPos = alyt.contOff + ((numOfEntries * 0x40)+4);
    fseek(fp, currPos, SEEK_SET);
    fread(&numOfEntries, sizeof(u32), 1, fp);
    printf("\nSymbol entries: %d [%08X]\n\n", numOfEntries, currPos);
    for(i = 0; i < numOfEntries; i++){
        fseek(fp, (currPos + 4) + (i*0x20), SEEK_SET);
        fread(string, sizeof(char), 0x20, fp);
        printf("%s\n", string);
    }

    //TODO

    //Free!
    free(alyt.ltbl);
    free(alyt.lmtl);
    free(alyt.lfnt);

    return 0;
}