There is already a bhop mod in the form of a dll injection,. Unclear if ti's deprecated or not The code was also put into the SAR plugin for TSP, again unclear if it's deprecated or not though. The p2sr versino of the SAR plugin is a portal 2 specific one that is branched of frmo Nekzor's original SAR. Which has not been maintained for nearly 5 years so it's unclear fi thsi still works.