Function PatchBytes

engine/gameobject/src/gameobject/res_lua.cpp:24–54

namespace dmGameObject
{
    void PatchBytes(uint8_t* bytes, uint32_t bytes_size, const uint8_t* delta, uint32_t delta_size)
    {
        uint32_t i = 0;
        while (i < delta_size) {
            // get the index
            uint32_t index = delta[i++];
            if (bytes_size >= (1 << 24))
            {
                index += ((delta[i++]) << 8);
                index += ((delta[i++]) << 16);
                index += ((delta[i++]) << 24);
            }
            else if (bytes_size >= (1 << 16))
            {
                index += ((delta[i++]) << 8);
                index += ((delta[i++]) << 16);
            }
            else if (bytes_size >= (1 << 8))
            {
                index += ((delta[i++]) << 8);
            }

            // get the number of consecutive bytes of changes
            uint32_t count = delta[i++];
            while (count-- > 0)
            {
                // apply the delta to the bytes
                bytes[index++] = delta[i++];
            }
        }
    }

    void PatchLuaBytecode(dmLuaDDF::LuaSource *source)
    {