谁能帮忙注释下这一段代码
这段代码看不懂，谁能帮忙注释下，自定义变量的含义及每行代码的目的，谢谢！
extern bool UseATRMode = TRUE;
extern int NonATRStopPips = 40;
extern int ATRPeriod = 9;
extern double ATRMultiplier = 3.0;
extern int ATRSmoothing = 0;
extern color UpArrowColor = OrangeRed;
extern color DnArrowColor = DodgerBlue;
extern int ArrowDistance = 500000000;
extern bool AlertSound = FALSE;
extern bool AlertMail = FALSE;
extern bool ShowComment = FALSE;
double g_ibuf_124[];
double gda_128[];
double gda_132[];
string gs_136;
int g_count_144 = 0;
int g_count_148;
int gi_152 = 0;
int g_time_156 = 0;
bool gi_160 = FALSE;
int g_time_164 = 0;
int g_time_168 = 0;
int init() {
bool li_0 = FALSE;
if (UseATRMode) li_0 = ATRPeriod;
if (ATRSmoothing <= 0) ATRSmoothing = 1;
IndicatorBuffers(1);
SetIndexStyle(0, DRAW_LINE,STYLE_DOT);
SetIndexBuffer(0, g_ibuf_124);
SetIndexDrawBegin(0, li_0);
gs_136 = "Spirit" + " " + "(";
if (UseATRMode) gs_136 = StringConcatenate(gs_136, "Mode ", ATRPeriod, ", ", ATRMultiplier, ", ", ATRSmoothing, " )");
else gs_136 = StringConcatenate(gs_136, "Manual Mode Stop = ", NonATRStopPips, " )");
IndicatorShortName(gs_136);
SetIndexLabel(0, gs_136);
Print(gs_136);
Print("Copyright (c) 2010 - Lee, olike@qq.com");
MathSrand(TimeLocal());
DeleteAllArrowObjects();
g_count_148 = 0;
g_count_144 = 0;
return (0);
}
int deinit() {
DeleteAllArrowObjects();
return (0);
}
int start() {
double ld_0;
double ld_8;
double ld_16;
bool li_24;
bool li_28;
double l_price_32;
string l_name_40;
double l_price_48;
int li_56 = IndicatorCounted();
if (li_56 < 0) return (-1);
if (li_56 > 0) li_56--;
int li_60 = Bars - li_56;
int li_64 = li_60 - 1;
if (UseATRMode && Bars < ATRPeriod) return (0);
int l_arr_size_68 = ArraySize(g_ibuf_124);
if (ArraySize(gda_128) != l_arr_size_68) {
ArraySetAsSeries(gda_128, FALSE);
ArrayResize(gda_128, l_arr_size_68);
ArraySetAsSeries(gda_128, TRUE);
ArraySetAsSeries(gda_132, FALSE);
ArrayResize(gda_132, l_arr_size_68);
ArraySetAsSeries(gda_132, TRUE);
}
if (UseATRMode) {
for (int li_72 = 0; li_72 < li_60; li_72++) gda_128[li_72] = iATR(NULL, 0, ATRPeriod, li_72);
for (li_72 = 0; li_72 < li_60; li_72++) gda_132[li_72] = Wilders(gda_128, ATRSmoothing, li_72);
}
for (li_72 = li_64; li_72 >= 0; li_72--) {
ld_0 = NonATRStopPips * Point;
if (UseATRMode) ld_0 = NormalizeDouble(gda_132[li_72] * ATRMultiplier, 4);
ld_16 = g_ibuf_124[li_72 + 1];
li_24 = FALSE;
li_28 = FALSE;
if (Close[li_72] == ld_16) ld_8 = ld_16;
else {
if (Close[li_72 + 1] <= ld_16 && Close[li_72] < ld_16) ld_8 = MathMin(ld_16, Close[li_72] + ld_0);
else {
if (Close[li_72 + 1] >= ld_16 && Close[li_72] > ld_16) ld_8 = MathMax(ld_16, Close[li_72] - ld_0);
else {
if (Close[li_72] > ld_16) {
ld_8 = Close[li_72] - ld_0;
li_24 = TRUE;
} else {
ld_8 = Close[li_72] + ld_0;
li_28 = TRUE;
}
}
}
}
g_ibuf_124[li_72] = ld_8;
if (li_72 > 0) {
if (li_24) {
if (Time[li_72] > g_time_156) {
l_price_32 = g_ibuf_124[li_72] - ArrowDistance * Point;
l_name_40 = GetNextObjectName();
ObjectCreate(l_name_40, OBJ_ARROW, 0, Time[li_72], l_price_32);
ObjectSet(l_name_40, OBJPROP_COLOR, UpArrowColor);
ObjectSet(l_name_40, OBJPROP_ARROWCODE, 233);
g_count_144++;
g_time_156 = Time[li_72];
gi_160 = TRUE;
}
}
if (li_28) {
if (Time[li_72] > g_time_156) {
l_price_48 = g_ibuf_124[li_72] + 2.0 * Point + ArrowDistance * Point;
l_name_40 = GetNextObjectName();
ObjectCreate(l_name_40, OBJ_ARROW, 0, Time[li_72], l_price_48);
ObjectSet(l_name_40, OBJPROP_COLOR, DnArrowColor);
ObjectSet(l_name_40, OBJPROP_ARROWCODE, 234);
g_count_144++;
g_time_156 = Time[li_72];
gi_160 = FALSE;
}
}
}
if (li_72 == 1)
if (g_time_156 == Time[li_72]) DoAlerts();
if (li_72 == 0) {
if (Time[li_72] != g_time_168) {
ObjectsRedraw();
g_time_168 = Time[li_72];
}
}
}
if (g_count_144 != gi_152) {
Print("Total Arrow Objects: ", g_count_144);
gi_152 = g_count_144;
}
return (0);
}
string GetNextObjectName() {
g_count_148++;
string ls_ret_0 = "Spirit" + g_count_148;
return (ls_ret_0);
}
double Wilders(double ada_0[], int ai_4, int ai_8) {
double l_ima_on_arr_12 = 0.0;
l_ima_on_arr_12 = iMAOnArray(ada_0, 0, ai_4 * 2 - 1, 0, MODE_EMA, ai_8);
return (l_ima_on_arr_12);
}
void DeleteAllArrowObjects() {
string l_name_0;
int l_count_8 = 0;
for (int li_12 = 1; li_12 <= g_count_148; li_12++) {
l_name_0 = "Spirit" + ((li_12 + 1));
if (ObjectDelete(l_name_0)) l_count_8++;
}
Print("Objects deleted: ", l_count_8);
}
void DoAlerts() {
int l_timeframe_0;
string ls_4;
int l_datetime_12;
string ls_16;
string ls_24;
if (g_time_156 > g_time_164) {
if (AlertSound) PlaySound("alert.wav");
if (AlertMail) {
l_timeframe_0 = Period();
ls_4 = "";
switch (l_timeframe_0) {
case PERIOD_M1:
ls_4 = "M1";
break;
case PERIOD_M5:
ls_4 = "M5";
break;
case PERIOD_M15:
ls_4 = "M15";
break;
case PERIOD_M30:
ls_4 = "M30";
break;
case PERIOD_H1:
ls_4 = "H1";
break;
case PERIOD_H4:
ls_4 = "H4";
break;
case PERIOD_D1:
ls_4 = "D1";
break;
case PERIOD_W1:
ls_4 = "W1";
break;
case PERIOD_MN1:
ls_4 = "MN1";
break;
default:
ls_4 = "" + l_timeframe_0 + " Min";
}
l_datetime_12 = TimeCurrent();
ls_16 = "LONG";
if (!gi_160) ls_16 = "SHORT";
ls_24 = "Spirit " + TimeToStr(l_datetime_12, TIME_DATE|TIME_SECONDS);
SendMail(ls_24, "Spirit has given a " + ls_16 + " signal for pair " + Symbol() + " " + ls_4 + ".");
}
g_time_164 = g_time_156;
}
}
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这段代码看不懂，谁能帮忙注释下，自定义变量的含义及每行代码的目的，谢谢！
extern bool UseATRMode = TRUE;
extern int NonATRStopPips = 40;
extern int ATRPeriod = 9;
extern double ATRMultiplier = 3.0;
extern int ATRSmoothing = 0;
extern color UpArrowColor = OrangeRed;
extern color DnArrowColor = DodgerBlue;
extern int ArrowDistance = 500000000;
extern bool AlertSound = FALSE;
extern bool AlertMail = FALSE;
extern bool ShowComment = FALSE;
double g_ibuf_124[];
double gda_128[];
double gda_132[];
string gs_136;
int g_count_144 = 0;
int g_count_148;
int gi_152 = 0;
int g_time_156 = 0;
bool gi_160 = FALSE;
int g_time_164 = 0;
int g_time_168 = 0;
int init() {
bool li_0 = FALSE;
if (UseATRMode) li_0 = ATRPeriod;
if (ATRSmoothing <= 0) ATRSmoothing = 1;
IndicatorBuffers(1);
SetIndexStyle(0, DRAW_LINE,STYLE_DOT);
SetIndexBuffer(0, g_ibuf_124);
SetIndexDrawBegin(0, li_0);
gs_136 = "Spirit" + " " + "(";
if (UseATRMode) gs_136 = StringConcatenate(gs_136, "Mode ", ATRPeriod, ", ", ATRMultiplier, ", ", ATRSmoothing, " )");
else gs_136 = StringConcatenate(gs_136, "Manual Mode Stop = ", NonATRStopPips, " )");
IndicatorShortName(gs_136);
SetIndexLabel(0, gs_136);
Print(gs_136);
Print("Copyright (c) 2010 - Lee, olike@qq.com");
MathSrand(TimeLocal());
DeleteAllArrowObjects();
g_count_148 = 0;
g_count_144 = 0;
return (0);
}
int deinit() {
DeleteAllArrowObjects();
return (0);
}
int start() {
double ld_0;
double ld_8;
double ld_16;
bool li_24;
bool li_28;
double l_price_32;
string l_name_40;
double l_price_48;
int li_56 = IndicatorCounted();
if (li_56 < 0) return (-1);
if (li_56 > 0) li_56--;
int li_60 = Bars - li_56;
int li_64 = li_60 - 1;
if (UseATRMode && Bars < ATRPeriod) return (0);
int l_arr_size_68 = ArraySize(g_ibuf_124);
if (ArraySize(gda_128) != l_arr_size_68) {
ArraySetAsSeries(gda_128, FALSE);
ArrayResize(gda_128, l_arr_size_68);
ArraySetAsSeries(gda_128, TRUE);
ArraySetAsSeries(gda_132, FALSE);
ArrayResize(gda_132, l_arr_size_68);
ArraySetAsSeries(gda_132, TRUE);
}
if (UseATRMode) {
for (int li_72 = 0; li_72 < li_60; li_72++) gda_128[li_72] = iATR(NULL, 0, ATRPeriod, li_72);
for (li_72 = 0; li_72 < li_60; li_72++) gda_132[li_72] = Wilders(gda_128, ATRSmoothing, li_72);
}
for (li_72 = li_64; li_72 >= 0; li_72--) {
ld_0 = NonATRStopPips * Point;
if (UseATRMode) ld_0 = NormalizeDouble(gda_132[li_72] * ATRMultiplier, 4);
ld_16 = g_ibuf_124[li_72 + 1];
li_24 = FALSE;
li_28 = FALSE;
if (Close[li_72] == ld_16) ld_8 = ld_16;
else {
if (Close[li_72 + 1] <= ld_16 && Close[li_72] < ld_16) ld_8 = MathMin(ld_16, Close[li_72] + ld_0);
else {
if (Close[li_72 + 1] >= ld_16 && Close[li_72] > ld_16) ld_8 = MathMax(ld_16, Close[li_72] - ld_0);
else {
if (Close[li_72] > ld_16) {
ld_8 = Close[li_72] - ld_0;
li_24 = TRUE;
} else {
ld_8 = Close[li_72] + ld_0;
li_28 = TRUE;
}
}
}
}
g_ibuf_124[li_72] = ld_8;
if (li_72 > 0) {
if (li_24) {
if (Time[li_72] > g_time_156) {
l_price_32 = g_ibuf_124[li_72] - ArrowDistance * Point;
l_name_40 = GetNextObjectName();
ObjectCreate(l_name_40, OBJ_ARROW, 0, Time[li_72], l_price_32);
ObjectSet(l_name_40, OBJPROP_COLOR, UpArrowColor);
ObjectSet(l_name_40, OBJPROP_ARROWCODE, 233);
g_count_144++;
g_time_156 = Time[li_72];
gi_160 = TRUE;
}
}
if (li_28) {
if (Time[li_72] > g_time_156) {
l_price_48 = g_ibuf_124[li_72] + 2.0 * Point + ArrowDistance * Point;
l_name_40 = GetNextObjectName();
ObjectCreate(l_name_40, OBJ_ARROW, 0, Time[li_72], l_price_48);
ObjectSet(l_name_40, OBJPROP_COLOR, DnArrowColor);
ObjectSet(l_name_40, OBJPROP_ARROWCODE, 234);
g_count_144++;
g_time_156 = Time[li_72];
gi_160 = FALSE;
}
}
}
if (li_72 == 1)
if (g_time_156 == Time[li_72]) DoAlerts();
if (li_72 == 0) {
if (Time[li_72] != g_time_168) {
ObjectsRedraw();
g_time_168 = Time[li_72];
}
}
}
if (g_count_144 != gi_152) {
Print("Total Arrow Objects: ", g_count_144);
gi_152 = g_count_144;
}
return (0);
}
string GetNextObjectName() {
g_count_148++;
string ls_ret_0 = "Spirit" + g_count_148;
return (ls_ret_0);
}
double Wilders(double ada_0[], int ai_4, int ai_8) {
double l_ima_on_arr_12 = 0.0;
l_ima_on_arr_12 = iMAOnArray(ada_0, 0, ai_4 * 2 - 1, 0, MODE_EMA, ai_8);
return (l_ima_on_arr_12);
}
void DeleteAllArrowObjects() {
string l_name_0;
int l_count_8 = 0;
for (int li_12 = 1; li_12 <= g_count_148; li_12++) {
l_name_0 = "Spirit" + ((li_12 + 1));
if (ObjectDelete(l_name_0)) l_count_8++;
}
Print("Objects deleted: ", l_count_8);
}
void DoAlerts() {
int l_timeframe_0;
string ls_4;
int l_datetime_12;
string ls_16;
string ls_24;
if (g_time_156 > g_time_164) {
if (AlertSound) PlaySound("alert.wav");
if (AlertMail) {
l_timeframe_0 = Period();
ls_4 = "";
switch (l_timeframe_0) {
case PERIOD_M1:
ls_4 = "M1";
break;
case PERIOD_M5:
ls_4 = "M5";
break;
case PERIOD_M15:
ls_4 = "M15";
break;
case PERIOD_M30:
ls_4 = "M30";
break;
case PERIOD_H1:
ls_4 = "H1";
break;
case PERIOD_H4:
ls_4 = "H4";
break;
case PERIOD_D1:
ls_4 = "D1";
break;
case PERIOD_W1:
ls_4 = "W1";
break;
case PERIOD_MN1:
ls_4 = "MN1";
break;
default:
ls_4 = "" + l_timeframe_0 + " Min";
}
l_datetime_12 = TimeCurrent();
ls_16 = "LONG";
if (!gi_160) ls_16 = "SHORT";
ls_24 = "Spirit " + TimeToStr(l_datetime_12, TIME_DATE|TIME_SECONDS);
SendMail(ls_24, "Spirit has given a " + ls_16 + " signal for pair " + Symbol() + " " + ls_4 + ".");
}
g_time_164 = g_time_156;
}
}