parse_pal.cpp

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//c clang++ -std=c++11 -DH3R_MM -fsanitize=address,undefined,integer,leak -fvisibility=hidden -I. -Ios -Ios/posix -Iutils -Istream -O0 -g -DH3R_DEBUG -fno-exceptions -fno-threadsafe-statics main.a parse_pal.cpp -o parse_pal

#define int int
static_assert(4 == sizeof(int), "define 32-bit int type");
static_assert(8 == sizeof(long long), "define 64-bit int type");

#include "h3r_os_error.h"
H3R_ERR_DEFINE_UNHANDLED
H3R_ERR_DEFINE_HANDLER(Memory,H3R_ERR_HANDLER_UNHANDLED)

#include "h3r_filestream.h"

H3R_NAMESPACE
namespace OS {
#undef public
class FileErrReplace final : public Error
{
    public: bool Handled(Error * e = nullptr) override
    {
        FileError * fe = (FileError *)e;
        if (FileError::Op::Replace == fe->Op)
            return fe->Replace = true;
        return false;
    }
};

} // namespace OS
NAMESPACE_H3R
static H3R_NS::OS::FileErrReplace my_file_err;
H3R_ERR_DEFINE_HANDLER(File,my_file_err)

template <typename T> static H3R_NS::Stream & Read(
    H3R_NS::Stream & s, T * d, size_t num = 1)
{
    return H3R_NS::Stream::Read (s, d, num);
}

#include "store_as_bmp.cpp"

int main(int argc, char ** argv)
{
    if (2 != argc)
        return printf ("usage: parse_pal palfile\n");

    H3R_NS::OS::FileStream s {argv[1], H3R_NS::OS::FileStream::Mode::ReadOnly};
    printf (EOL "%s 1st offset: %000000008X, size: %lu" EOL, argv[1],
            static_cast<uint>(s.Tell ()), s.Size ());

    // these are 3:
    //  Data_H3bitmap_lod/font.pal - there are a lot of colors here?!
    //    the text from screen-shots has 255,243,222 as color - that's nowhere
    //    to be found?!
    //  Data_H3bitmap_lod/PLAYERS.PAL - 8x32 - player color 0-7
    //  Data_H3bitmap_lod/game.pal - some ordered sub-blocks here:
    //    * player colors: 64: [0;7] - same order as at PLAYERS.PAL:
    //      red, blue, tan, green, orange, purple, teal, pink; <- same order at
    //      the editor; <- same order at PlColors.txt.
    //      So whats the primary?
    char sign1[5] {};
    int size1, size2;
    char sign2[9] {};
    // uint unk1;// 01000300
    short pal_size_in_bytes, pal_entry_num; // resulting palette size, in bytes
    Read (s, sign1, 4).Read (s, &size1);
    if (size1 != s.Size () - s.Tell ()) return printf ("Wrong fmt" EOL), 1;
    Read (s, sign2, 8).Read (s, &size2);
    Read (s, &pal_size_in_bytes).Read (s, &pal_entry_num);
    printf ("Sign1: %s, Size1: %5d, Sign2: %s, Size2: %5d, Pal: %d x %d"
        EOL, sign1, size1, sign2, size2,
        pal_entry_num, pal_size_in_bytes/pal_entry_num);
    H3R_NS::Array<H3R_NS::byte> b {16 * 16}, p {4 * pal_entry_num}; // {r,g,b,x}
    printf (EOL "%s pal offset: %lu" EOL, argv[1], s.Tell ());
    s.Read (static_cast<H3R_NS::byte *>(p), p.Length ());
    // size2 = 1(size,num) + pal_entry_num + 1(unk2)
    for (int u = 1+pal_entry_num; u < size2/4; u++) {
        int unk_n;
        Read (s, &unk_n); printf ("unk%d: %000000008X" EOL, 257-u+1, unk_n);
    }
    // printf ("%000000008X" EOL, static_cast<uint>(s.Tell ()));
    if (size2 != s.Tell ()-20) return printf ("Wrong fmt" EOL), 1;
    for (int i = 0; i < 3; i++) // PLAYERS.PAL, game.pal
        if ((s.Tell () != s.Size ())) {
            char sign_n[5] {};
            int size_n;
            Read (s, sign_n, 4).Read (s, &size_n);
            printf ("Sign%d: %s, Size%d: %5d" EOL, i+3, sign_n, i+3, size_n);
            s.Seek (size_n);
        }

    if (s.Tell () != s.Size ())
        printf ("unparsed %000000008X/%000000008X" EOL,
            static_cast<uint>(s.Tell ()), static_cast<uint>(s.Size ()));
    // 4 -> 3
    H3R_NS::Array<H3R_NS::byte> p3 {3 * 256};
    for (int i=0; i < pal_entry_num; i++) {
        b[i] = i,
        p3[3*i] = p[4*i], p3[3*i+1] = p[4*i+1], p3[3*i+2] = p[4*i+2];
        printf ("%3d: r:%3d, g:%3d, b:%3d, u:%3d" EOL,
            i, p[4*i], p[4*i+1], p[4*i+2], p[4*i+3]);
    }
    store_as_bmp (argv[1], b, 16, 16, 8, p3);

    return 0;
} // main()