Переписать индикатор Metastock в MQL5

Переписать  Metastock в MQL5 . Volume (Up, Green) COEF:=.2; VCOEF:=Input("MAX VOLUME CUTOFF",0,50,2.5); INTER:=Log(Typical())-Log(Ref(Typical(),-1));  VINTER:=Stdev(INTER,30); CUTOFF:=COEF*VINTER*C; VAVE:=Ref(Mov(V,50,S),-1); VMAX:=VAVE*VCOEF; VC:=If(V<VMAX,V,VMAX); MF:=Typical()-Ref(Typical(),-1); VCP:=If(MF>CUTOFF,VC,0); VCP      Volume (Down, Red)    COEF:=.2; VCOEF:=Input("MAX VOLUME CUTOFF",0,50,2.5); INTER:=Log(Typical())-Log(Ref(Typical(),-1)); VINTER:=Stdev(INTER,30); CUTOFF:=COEF*VINTER*C; VAVE:=Ref(Mov(V,50,S),-1); VMAX:=VAVE*VCOEF; VC:=If(V<VMAX,V,VMAX); MF:=Typical()-Ref(Typical(),-1); VCM:=If(MF<-CUTOFF,VC,0); VCM    Выглядит так.