I need the following TV script found in the link below converted to MQL4 with the addition of a VWAP that is anchored at the start of each trading session. I also need it to create a Buy signal whenever one crosses above another and a Sell signal whenever one crosses below another.

https://www.tradingview.com/script/ShppRaZB-Auto-Anchored-Volume-Weighted-Average-Price-Custom-AVWAP/