NScumm.Scumm.ScummEngine4.MatrixOperations C# (CSharp) Метод

        void MatrixOperations()
        {
            int a, b;

            _opCode = ReadByte();
            switch (_opCode & 0x1F)
            {
                case 1:
                    a = GetVarOrDirectByte(OpCodeParameter.Param1);
                    b = GetVarOrDirectByte(OpCodeParameter.Param2);
                    SetBoxFlags(a, b);
                    break;

                case 2:
                    a = GetVarOrDirectByte(OpCodeParameter.Param1);
                    b = GetVarOrDirectByte(OpCodeParameter.Param2);
                    SetBoxScale(a, b);
                    break;

                case 3:
                    a = GetVarOrDirectByte(OpCodeParameter.Param1);
                    b = GetVarOrDirectByte(OpCodeParameter.Param2);
                    SetBoxScale(a, (b - 1) | 0x8000);
                    break;

                case 4:
                    CreateBoxMatrixCore();
                    break;
            }
        }