İndicator conversion from MT4 to MT5

I want to convert the " Half-trend Buy Sell MT4 indicator to MT5 indicator " with source code given.

The following attachment is the " Half-trend Buy Sell " MT4 indicator.

Requirements

1) To use relevant names for the Value1, Value2 to  Value6  as shown in the Data Window so as to understand which parameters in the indicator codes are being tracked or displayed.

2) To provide comments on the indicator codes  for the understanding what the program codes are doing.

3) To inform which parameters of the codes in the indicator that can be used to trigger buy and sell signals.