[SK Estival Versus] tpkTool.c

/*
*   tpkTool.c
*       by Reisyukaku
*
*   Quick and dirty parser for TPK/BIN file pairs in Senran Kagura: EV
*/

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

typedef uint8_t u8;
typedef uint32_t u32;
typedef uint64_t u64;

int main(int argc, char **argv){
    if(argc < 3){
        printf("Usage: %s <ChunkX.bin> <ChunkX.tpk>\n", argv[0]);
        return -1;
    }

    FILE *bin;
    FILE *tpk;
    FILE *out;
    size_t fileSizeBin = 0,
           fileSizeTpk = 0;
    u64 *bufBin;
    u8 *bufTpk;
    u64 fileEntries = 0;

    bin = fopen(argv[1], "rb");
    tpk = fopen(argv[2], "rb");
    if(!bin || !tpk){
        printf("Files couldn't be found!\n");
        fclose(bin);
        fclose(tpk);
        return -1;
    }

    fseek(bin, 0, SEEK_END);
    fseek(tpk, 0, SEEK_END);
    fileSizeBin = ftell(bin);
    fileSizeTpk = ftell(tpk);
    fseek(bin, 0, SEEK_SET);
    fseek(tpk, 0, SEEK_SET);

    bufBin = malloc(fileSizeBin);
    fread(bufBin, 8, fileSizeBin/8, bin);

    fclose(bin);

    fileEntries = bufBin[1];
    printf("Entries: 0x%08X\n\n", fileEntries);
    u32 entrySize = 0,
             entryStart = 0;
    char newFilename[0x20];
    int i; for(i = 0; i < fileEntries; i+=2){
        entrySize = bufBin[2+i]; //Table starts after 0x10 bytes
        entryStart = bufBin[2+(i+1)];
        printf("File @ 0x%08X [0x%08X bytes]\n", entryStart, entrySize);
        if(entrySize > 0){       //For some reason some entries are not proper entries
            //Create buffer with file data
            bufTpk = malloc(entrySize);
            fseek(tpk, entryStart, SEEK_SET);
            fread(bufTpk, 1, entrySize, tpk);
            //Create output file name
            memset(newFilename, 0, 0x20);
            snprintf(newFilename, 0x20, "file_%04d[0x%08X].bin", i/2, entryStart); //For the record, the real names of each file is defined in fnames.bin (see fnames.c)
            //Open and write new file
            out = fopen(newFilename, "wb");
            if(!out){
                printf("File couldn't be created!\n");
                return -1;
            }
            fwrite(bufTpk, 1, entrySize, out);
            //Finish up
            fclose(out);
            free(bufTpk);
        }
    }
    free(bufBin);
    fclose(tpk);

    return 0;
}