Method GetGumpPixels

src/Managers/UOFileReader.cpp:15–78

UOFileReader g_UOFileReader;

std::vector<uint16_t> UOFileReader::GetGumpPixels(CIndexObject &io)
{
    size_t dataStart = io.Address;
    uint32_t *lookupList = (uint32_t *)dataStart;

    int blocksize = io.Width * io.Height;

    std::vector<uint16_t> pixels;

    if (blocksize == 0)
    {
        Warning(Data, "UOFileReader::GetGumpPixels bad size:%i, %i", io.Width, io.Height);
        return pixels;
    }

    pixels.resize(blocksize);

    if (pixels.size() != blocksize)
    {
        Warning(
            Data, "Allocation pixels memory for GetGumpPixels failed (want size: %i)", blocksize);
        return pixels;
    }

    uint16_t color = io.Color;

    for (int y = 0; y < io.Height; y++)
    {
        int gSize = 0;

        if (y < io.Height - 1)
        {
            gSize = lookupList[y + 1] - lookupList[y];
        }
        else
        {
            gSize = (io.DataSize / 4) - lookupList[y];
        }

        GUMP_BLOCK *gmul = (GUMP_BLOCK *)(dataStart + lookupList[y] * 4);
        int pos = (int)y * io.Width;

        for (int i = 0; i < gSize; i++)
        {
            uint16_t val = gmul[i].Value;

            if ((color != 0u) && (val != 0u))
            {
                val = g_ColorManager.GetColor16(val, color);
            }

            uint16_t a = (val != 0u ? 0x8000 : 0) | val;

            int count = gmul[i].Run;

            for (int j = 0; j < count; j++)
            {
                pixels[pos++] = a;