CSPspEmu.Hle.Formats.audio.At3.MaiAT3PlusCoreDecoder.MAPCDSF_decodeTable1_Route3 C# (CSharp) Method

        static int MAPCDSF_decodeTable1_Route3(MaiBitReader mbr0, MaiAT3PlusCoreDecoderChnInfo chn_info)
        {
            int rs = 0;

            int tmp3 = mbr0.getWithI32Buffer(2);

            uint huff_table_type2 = (uint)mbr0.getWithI32Buffer(2);

            if (tmp3 == 3)
            {
                chn_info.uk1c718 = mbr0.getWithI32Buffer(6);
                chn_info.uk1c714 = mbr0.getWithI32Buffer(6);

                MAPCDSF_initTable1(chn_info);

                uint* table_tmp2x = stackalloc uint[0x40];
                table_tmp2x[0] = (uint)mbr0.getWithI32Buffer(4);
                table_tmp2x[0] -= 8;
                table_tmp2x[0] &= 0x3F;

                MaiAT3PlusCoreDecoderSearchTableDes huff_table_now = MaiAT3PlusCoreDecoder_StaticData.MAPCDSD_huff_table1_2[huff_table_type2];
                for (uint a0 = 1; a0 < chn_info.joint_chn_info.num_band_splited_used; a0++)
                {
                    uint value_tmp = (uint)MAPCDSF_getHuffValue(huff_table_now, mbr0);
                    if ((value_tmp & 0x8) != 0) value_tmp |= 0xFFFFFFF0;
                    else value_tmp &= 0xF;

                    table_tmp2x[a0] = table_tmp2x[a0 - 1] + value_tmp;
                    table_tmp2x[a0] &= 0x3F;
                }

                for (uint a0 = 0; a0 < chn_info.joint_chn_info.num_band_splited_used; a0++)
                {
                    chn_info.table1[a0] += table_tmp2x[a0];
                    chn_info.table1[a0] &= 0x3F;
                }
            }
            else
            {
                chn_info.table1[0] = (uint)mbr0.getWithI32Buffer(6);

                for (uint a0 = 1; a0 < chn_info.joint_chn_info.num_band_splited_used; a0++)
                {
                    chn_info.table1[a0] = chn_info.table1[a0 - 1] + MAPCDSF_getHuffValue(MaiAT3PlusCoreDecoder_StaticData.MAPCDSD_huff_table1[huff_table_type2], mbr0);
                    chn_info.table1[a0] &= 0x3F;
                }

                if (tmp3 != 0)
                {
                    for (uint a0 = 0; a0 < chn_info.joint_chn_info.num_band_splited_used; a0++)
                    {
                        chn_info.table1[a0] -= MAPCDSF_decodeTable1_Route3_table_tmpx[(tmp3 - 1) * 0x20 + a0];
                    }
                }
            }

            return rs;
        }