#property copyright "MrPip and jpkfox"
#property link      ""

#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 LimeGreen
#property indicator_color2 Red
#property indicator_color3 Yellow

extern int MA_Period = 50;
extern string m = "--Moving Average Types--";
extern string m0 = " 0 = SMA";
extern string m1 = " 1 = EMA";
extern string m2 = " 2 = SMMA";
extern string m3 = " 3 = LWMA";
extern int MA_Type = 0;
extern string p = "--Applied Price Types--";
extern string p0 = " 0 = close";
extern string p1 = " 1 = open";
extern string p2 = " 2 = high";
extern string p3 = " 3 = low";
extern string p4 = " 4 = median(high+low)/2";
extern string p5 = " 5 = typical(high+low+close)/3";
extern string p6 = " 6 = weighted(high+low+close+close)/4";
extern int MA_AppliedPrice = 4;
extern double AngleTreshold = 0.25;
extern int PrevMAShift = 2;
extern int CurMAShift = 0;
int g_ma_method_208;
string gs_212;
double g_ibuf_220[];
double g_ibuf_224[];
double g_ibuf_228[];

int init() {
   SetIndexStyle(0, DRAW_HISTOGRAM, STYLE_SOLID, 2);
   SetIndexStyle(1, DRAW_HISTOGRAM, STYLE_SOLID, 2);
   SetIndexStyle(2, DRAW_HISTOGRAM, STYLE_SOLID, 2);
   IndicatorDigits(MarketInfo(Symbol(), MODE_DIGITS) + 2.0);
   if (!SetIndexBuffer(0, g_ibuf_220) && !SetIndexBuffer(1, g_ibuf_224) && !SetIndexBuffer(2, g_ibuf_228)) Print("cannot set indicator buffers!");
   switch (MA_Type) {
   case 1:
      gs_212 = "EMA";
      g_ma_method_208 = 1;
      break;
   case 2:
      gs_212 = "SMMA";
      g_ma_method_208 = 2;
      break;
   case 3:
      gs_212 = "LWMA";
      g_ma_method_208 = 3;
      break;
   case 4:
      gs_212 = "LSMA";
      break;
   default:
      gs_212 = "SMA";
      g_ma_method_208 = 0;
   }
   IndicatorShortName(gs_212 + "_Angle(" + MA_Period + "," + AngleTreshold + "," + PrevMAShift + "," + CurMAShift + ")");
   return (0);
}

int start() {
   double l_ima_0;
   double l_ima_8;
   double ld_16;
   if (CurMAShift >= PrevMAShift) {
      Print("Error: CurMAShift >= PrevMAShift");
      PrevMAShift = 6;
      CurMAShift = 0;
   }
   int li_48 = IndicatorCounted();
   if (li_48 < 0) return (-1);
   if (li_48 > 0) li_48--;
   int li_40 = Bars - li_48;
   double ld_unused_32 = 0.0349065556;
   double ld_24 = 10000.0;
   string ls_64 = StringSubstr(Symbol(), 3, 3);
   if (ls_64 == "JPY") ld_24 = 100.0;
   int li_60 = PrevMAShift - CurMAShift;
   ld_24 /= li_60;
   for (int l_index_44 = 0; l_index_44 < li_40; l_index_44++) {
      l_ima_0 = iMA(NULL, 0, MA_Period, 0, g_ma_method_208, MA_AppliedPrice, l_index_44 + CurMAShift);
      l_ima_8 = iMA(NULL, 0, MA_Period, 0, g_ma_method_208, MA_AppliedPrice, l_index_44 + PrevMAShift);
      ld_16 = ld_24 * (l_ima_0 - l_ima_8) / 2.0;
      g_ibuf_224[l_index_44] = 0.0;
      g_ibuf_220[l_index_44] = 0.0;
      g_ibuf_228[l_index_44] = 0.0;
      if (ld_16 > AngleTreshold) g_ibuf_220[l_index_44] = ld_16;
      else {
         if (ld_16 < -AngleTreshold) g_ibuf_224[l_index_44] = ld_16;
         else g_ibuf_228[l_index_44] = ld_16;
      }
   }
   return (0);
}