//================================================================================================//
// get value of single term
//================================================================================================//
private static int ProcessAssignTerm(SignalHead head, List <SignalScripts.SCRScripts.SCRStatTerm> statementTerms, SignalScripts.SCRScripts.SCRStatTerm term, int[] localFloats)
{
int termvalue = 0;
if (term.Function != SignalScripts.SCRExternalFunctions.NONE)
{
termvalue = FunctionValue(head, term, localFloats);
}
else if (term.PartParameter != null)
{
// for non-function terms only first entry is valid
SignalScripts.SCRScripts.SCRParameterType parameter = term.PartParameter[0];
termvalue = TermValue(head, parameter, localFloats);
}
else if (term.TermNumber > 0)
{
termvalue = ProcessSubTerm(head, statementTerms, term.TermNumber, localFloats);
}
return(termvalue);
}
//================================================================================================//
//
// get value of single term
//
//================================================================================================//
public int SH_processAssignTerm(SignalHead thisHead, List <SignalScripts.SCRScripts.SCRStatTerm> StatementTerms,
SignalScripts.SCRScripts.SCRStatTerm thisTerm, int sublevel,
int[] localFloats, SIGSCRfile sigscr)
{
int termvalue = 0;
if (thisTerm.Function != SignalScripts.SCRExternalFunctions.NONE)
{
termvalue = SH_function_value(thisHead, thisTerm, localFloats, sigscr);
}
else if (thisTerm.PartParameter != null)
{
// for non-function terms only first entry is valid
SignalScripts.SCRScripts.SCRParameterType thisParameter = thisTerm.PartParameter[0];
termvalue = SH_termvalue(thisHead, thisParameter, localFloats, sigscr);
}
else if (thisTerm.sublevel > 0)
{
termvalue = SH_processSubTerm(thisHead, StatementTerms, thisTerm.sublevel, localFloats, sigscr);
}
return(termvalue);
}
//================================================================================================//
//
// return function value
// Possible functions :
// BLOCK_STATE
// ROUTE_SET
// NEXT_SIG_LR
// NEXT_SIG_MR
// THIS_SIG_LR
// THIS_SIG_MR
// OPP_SIG_LR
// OPP_SIG_MR
// DIST_MULTI_SIG_MR
// SIG_FEATURE
// DEF_DRAW_STATE
// HASHEAD
// DEBUG_HEADER (does not return a value)
// DEBUG_OUT (does not return a value)
//
//================================================================================================//
public int SH_function_value(SignalHead thisHead, SignalScripts.SCRScripts.SCRStatTerm thisTerm,
int[] localFloats, SIGSCRfile sigscr)
{
int return_value = 0;
int parameter1_value = 0;
int parameter2_value = 0;
// extract parameters (max. 2)
if (thisTerm.PartParameter != null)
{
if (thisTerm.PartParameter.Length >= 1)
{
SignalScripts.SCRScripts.SCRParameterType thisParameter = thisTerm.PartParameter[0];
parameter1_value = SH_termvalue(thisHead, thisParameter,
localFloats, sigscr);
}
if (thisTerm.PartParameter.Length >= 2)
{
SignalScripts.SCRScripts.SCRParameterType thisParameter = thisTerm.PartParameter[1];
parameter2_value = SH_termvalue(thisHead, thisParameter,
localFloats, sigscr);
}
}
// switch on function
SignalScripts.SCRExternalFunctions thisFunction = thisTerm.Function;
String dumpfile = String.Empty;
switch (thisFunction)
{
// BlockState
case (SignalScripts.SCRExternalFunctions.BLOCK_STATE):
return_value = (int)thisHead.mainSignal.block_state();
break;
// Route set
case (SignalScripts.SCRExternalFunctions.ROUTE_SET):
return_value = (int)thisHead.route_set();
break;
// next_sig_lr
case (SignalScripts.SCRExternalFunctions.NEXT_SIG_LR):
return_value = (int)thisHead.next_sig_lr((MstsSignalFunction)parameter1_value);
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
" NEXT_SIG_LR : Located signal : " +
thisHead.mainSignal.sigfound[parameter1_value].ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
var sob = new StringBuilder();
sob.AppendFormat(" NEXT_SIG_LR : Located signal : {0}", thisHead.mainSignal.sigfound[parameter1_value].ToString());
if (thisHead.mainSignal.sigfound[parameter1_value] > 0)
{
SignalObject otherSignal = thisHead.mainSignal.signalRef.SignalObjects[thisHead.mainSignal.sigfound[parameter1_value]];
sob.AppendFormat(" (");
foreach (SignalHead otherHead in otherSignal.SignalHeads)
{
sob.AppendFormat(" {0} ", otherHead.TDBIndex);
}
sob.AppendFormat(") ");
}
sob.AppendFormat("\n");
File.AppendAllText(dpr_fileLoc + @"printproc.txt", sob.ToString());
}
#endif
break;
// next_sig_mr
case (SignalScripts.SCRExternalFunctions.NEXT_SIG_MR):
return_value = (int)thisHead.next_sig_mr((MstsSignalFunction)parameter1_value);
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
" NEXT_SIG_LR : Located signal : " +
thisHead.mainSignal.sigfound[parameter1_value].ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt",
" NEXT_SIG_LR : Located signal : " +
thisHead.mainSignal.sigfound[parameter1_value].ToString() + "\n");
}
#endif
break;
// this_sig_lr
case (SignalScripts.SCRExternalFunctions.THIS_SIG_LR):
bool sigfound_lr = false;
MstsSignalAspect returnState_lr = thisHead.this_sig_lr((MstsSignalFunction)parameter1_value, ref sigfound_lr);
return_value = sigfound_lr ? (int)returnState_lr : -1;
break;
// this_sig_mr
case (SignalScripts.SCRExternalFunctions.THIS_SIG_MR):
bool sigfound_mr = false;
MstsSignalAspect returnState_mr = thisHead.this_sig_mr((MstsSignalFunction)parameter1_value, ref sigfound_mr);
return_value = sigfound_mr ? (int)returnState_mr : -1;
break;
// opp_sig_lr
case (SignalScripts.SCRExternalFunctions.OPP_SIG_LR):
return_value = (int)thisHead.opp_sig_lr((MstsSignalFunction)parameter1_value);
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
SignalObject foundSignal = null;
int dummy = (int)thisHead.opp_sig_lr((MstsSignalFunction)parameter1_value, ref foundSignal);
int foundRef = foundSignal != null ? foundSignal.thisRef : -1;
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
" OPP_SIG_LR : Located signal : " + foundRef.ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
SignalObject foundSignal = null;
int dummy = (int)thisHead.opp_sig_lr((MstsSignalFunction)parameter1_value, ref foundSignal);
int foundRef = foundSignal != null ? foundSignal.thisRef : -1;
File.AppendAllText(dpr_fileLoc + @"printproc.txt",
" OPP_SIG_LR : Located signal : " + foundRef.ToString() + "\n");
}
#endif
break;
// opp_sig_mr
case (SignalScripts.SCRExternalFunctions.OPP_SIG_MR):
return_value = (int)thisHead.opp_sig_mr((MstsSignalFunction)parameter1_value);
break;
// next_nsig_lr
case (SignalScripts.SCRExternalFunctions.NEXT_NSIG_LR):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
return_value = (int)thisHead.next_nsig_lr((MstsSignalFunction)parameter1_value, parameter2_value, dumpfile);
break;
// dist_multi_sig_mr
case (SignalScripts.SCRExternalFunctions.DIST_MULTI_SIG_MR):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
return_value = (int)thisHead.dist_multi_sig_mr(
(MstsSignalFunction)parameter1_value,
(MstsSignalFunction)parameter2_value,
dumpfile);
break;
// sig_feature
case (SignalScripts.SCRExternalFunctions.SIG_FEATURE):
bool temp_value;
temp_value = thisHead.sig_feature(parameter1_value);
return_value = Convert.ToInt32(temp_value);
break;
// approach control position
case (SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_POSITION):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
temp_value = thisHead.mainSignal.ApproachControlPosition(parameter1_value, dumpfile);
return_value = Convert.ToInt32(temp_value);
break;
// approach control speed
case (SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_SPEED):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
temp_value = thisHead.mainSignal.ApproachControlSpeed(parameter1_value, parameter2_value, dumpfile);
return_value = Convert.ToInt32(temp_value);
break;
// Check for CallOn
case (SignalScripts.SCRExternalFunctions.TRAINHASCALLON):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
temp_value = thisHead.mainSignal.TrainHasCallOn(true, dumpfile);
return_value = Convert.ToInt32(temp_value);
break;
// Check for CallOn
case (SignalScripts.SCRExternalFunctions.TRAINHASCALLON_RESTRICTED):
dumpfile = String.Empty;
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
dumpfile = String.Concat(dpe_fileLoc, "printproc.txt");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
dumpfile = String.Concat(dpr_fileLoc, "printproc.txt");
}
#endif
temp_value = thisHead.mainSignal.TrainHasCallOn(false, dumpfile);
return_value = Convert.ToInt32(temp_value);
break;
case (SignalScripts.SCRExternalFunctions.HASHEAD):
return_value = thisHead.mainSignal.HasHead(parameter1_value);
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
" HASHEAD : required head : " + parameter1_value + " ; state : " + return_value + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt",
" HASHEAD : required head : " + parameter1_value + " ; state : " + return_value + "\n");
}
#endif
break;
// def_draw_state
case (SignalScripts.SCRExternalFunctions.DEF_DRAW_STATE):
return_value = thisHead.def_draw_state((MstsSignalAspect)parameter1_value);
break;
// DEBUG routine : to be implemented later
default:
break;
}
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
"Function Result : " + thisFunction.ToString() + "(" + parameter1_value.ToString() + ") = " +
return_value.ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt",
"Function Result : " + thisFunction.ToString() + "(" + parameter1_value.ToString() + ") = " +
return_value.ToString() + "\n");
}
#endif
// check sign
if (thisTerm.TermOperator == SignalScripts.SCRTermOperator.MINUS)
{
return_value = -(return_value);
}
return(return_value);
}
//================================================================================================//
//
// get parameter term value
//
//================================================================================================//
public static int SH_termvalue(SignalHead thisHead, SignalScripts.SCRScripts.SCRParameterType thisParameter,
int[] localFloats, SIGSCRfile sigscr)
{
int return_value = 0;
// for non-function terms only first entry is valid
switch (thisParameter.PartType)
{
// assign value to external float
// Possible floats :
// STATE
// DRAW_STATE
// ENABLED
// BLOCK_STATE
case (SignalScripts.SCRTermType.ExternalFloat):
SignalScripts.SCRExternalFloats FloatType = (SignalScripts.SCRExternalFloats)thisParameter.PartParameter;
switch (FloatType)
{
case SignalScripts.SCRExternalFloats.STATE:
return_value = (int)thisHead.state;
break;
case SignalScripts.SCRExternalFloats.DRAW_STATE:
return_value = thisHead.draw_state;
break;
case SignalScripts.SCRExternalFloats.ENABLED:
return_value = Convert.ToInt32(thisHead.mainSignal.enabled);
break;
case SignalScripts.SCRExternalFloats.BLOCK_STATE:
return_value = (int)thisHead.mainSignal.block_state();
break;
case SignalScripts.SCRExternalFloats.APPROACH_CONTROL_REQ_POSITION:
return_value = thisHead.ApproachControlLimitPositionM.HasValue ? Convert.ToInt32(thisHead.ApproachControlLimitPositionM.Value) : -1;
break;
case SignalScripts.SCRExternalFloats.APPROACH_CONTROL_REQ_SPEED:
return_value = thisHead.ApproachControlLimitSpeedMpS.HasValue ? Convert.ToInt32(thisHead.ApproachControlLimitSpeedMpS.Value) : -1;
break;
default:
break;
}
break;
// Local float
case (SignalScripts.SCRTermType.LocalFloat):
return_value = localFloats[thisParameter.PartParameter];
break;
// all others : constants
default:
return_value = thisParameter.PartParameter;
break;
}
return(return_value);
}
//================================================================================================//
//
// process single condition
//
//================================================================================================//
public bool SH_processSingleCondition(SignalHead thisHead, SignalScripts.SCRScripts.SCRConditions thisCond,
int[] localFloats, SIGSCRfile sigscr)
{
int term1value = 0;
int term2value = 0;
bool condition = true;
// get value of first term
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt", "IF Condition statement (1) : \n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt", "IF Condition statement (1) : \n");
}
#endif
if (thisCond.Term1.Function != SignalScripts.SCRExternalFunctions.NONE)
{
term1value = SH_function_value(thisHead, thisCond.Term1, localFloats, sigscr);
}
else if (thisCond.Term1.PartParameter != null)
{
SignalScripts.SCRScripts.SCRParameterType thisParameter = thisCond.Term1.PartParameter[0];
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt", "Parameter : " + thisParameter.PartType.ToString() + " : " +
thisParameter.PartParameter.ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt", "Parameter : " + thisParameter.PartType.ToString() + " : " +
thisParameter.PartParameter.ToString() + "\n");
}
#endif
SignalScripts.SCRTermOperator thisOperator = thisCond.Term1.TermOperator;
term1value = SH_termvalue(thisHead, thisParameter,
localFloats, sigscr);
if (thisOperator == SignalScripts.SCRTermOperator.MINUS)
{
term1value = -term1value;
}
}
// get value of second term
if (thisCond.Term2 == null)
// if only one value : check for NOT
{
if (thisCond.negate1)
{
condition = !(Convert.ToBoolean(term1value));
}
else
{
condition = Convert.ToBoolean(term1value);
}
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt", "Result of single condition : " +
" : " + condition.ToString() + " (NOT : " + thisCond.negate1.ToString() + ")\n\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt", "Result of single condition : " +
" : " + condition.ToString() + " (NOT : " + thisCond.negate1.ToString() + ")\n\n");
}
#endif
}
// process second term
else
{
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt", "IF Condition statement (2) : \n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt", "IF Condition statement (2) : \n");
}
#endif
if (thisCond.Term2.Function != SignalScripts.SCRExternalFunctions.NONE)
{
term2value = SH_function_value(thisHead, thisCond.Term2, localFloats, sigscr);
}
else if (thisCond.Term2.PartParameter != null)
{
SignalScripts.SCRScripts.SCRParameterType thisParameter = thisCond.Term2.PartParameter[0];
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt",
"Parameter : " + thisParameter.PartType.ToString() + " : " +
thisParameter.PartParameter.ToString() + "\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt",
"Parameter : " + thisParameter.PartType.ToString() + " : " +
thisParameter.PartParameter.ToString() + "\n");
}
#endif
SignalScripts.SCRTermOperator thisOperator = thisCond.Term2.TermOperator;
term2value = SH_termvalue(thisHead, thisParameter,
localFloats, sigscr);
if (thisOperator == SignalScripts.SCRTermOperator.MINUS)
{
term2value = -term2value;
}
}
// check on required condition
switch (thisCond.Condition)
{
// GT
case (SignalScripts.SCRTermCondition.GT):
condition = (term1value > term2value);
break;
// GE
case (SignalScripts.SCRTermCondition.GE):
condition = (term1value >= term2value);
break;
// LT
case (SignalScripts.SCRTermCondition.LT):
condition = (term1value < term2value);
break;
// LE
case (SignalScripts.SCRTermCondition.LE):
condition = (term1value <= term2value);
break;
// EQ
case (SignalScripts.SCRTermCondition.EQ):
condition = (term1value == term2value);
break;
// NE
case (SignalScripts.SCRTermCondition.NE):
condition = (term1value != term2value);
break;
}
#if DEBUG_PRINT_ENABLED
if (thisHead.mainSignal.enabledTrain != null)
{
File.AppendAllText(dpe_fileLoc + @"printproc.txt", "Result of operation : " +
thisCond.Condition.ToString() + " : " + condition.ToString() + "\n\n");
}
#endif
#if DEBUG_PRINT_PROCESS
if (TDB_debug_ref.Contains(thisHead.TDBIndex))
{
File.AppendAllText(dpr_fileLoc + @"printproc.txt", "Result of operation : " +
thisCond.Condition.ToString() + " : " + condition.ToString() + "\n\n");
}
#endif
}
return(condition);
}
//================================================================================================//
// process single condition
//================================================================================================//
private static bool ProcessSingleCondition(SignalHead head, SignalScripts.SCRScripts.SCRConditions condition, int[] localFloats)
{
int term1value = 0;
int term2value = 0;
bool result = true;
// get value of first term
if (condition.Term1.Function != SignalScripts.SCRExternalFunctions.NONE)
{
term1value = FunctionValue(head, condition.Term1, localFloats);
}
else if (condition.Term1.PartParameter != null)
{
SignalScripts.SCRScripts.SCRParameterType parameter = condition.Term1.PartParameter[0];
term1value = TermValue(head, parameter, localFloats);
if (condition.Term1.TermOperator == SignalScripts.SCRTermOperator.MINUS)
{
term1value = -term1value;
}
}
// get value of second term
if (condition.Term2 == null) // if only one value : check for NOT
{
if (condition.Term1.Negated)
{
result = !(Convert.ToBoolean(term1value));
}
else
{
result = Convert.ToBoolean(term1value);
}
}
// process second term
else
{
if (condition.Term2.Function != SignalScripts.SCRExternalFunctions.NONE)
{
term2value = FunctionValue(head, condition.Term2, localFloats);
}
else if (condition.Term2.PartParameter != null)
{
SignalScripts.SCRScripts.SCRParameterType parameter = condition.Term2.PartParameter[0];
term2value = TermValue(head, parameter, localFloats);
if (condition.Term2.TermOperator == SignalScripts.SCRTermOperator.MINUS)
{
term2value = -term2value;
}
}
// check on required condition
switch (condition.Condition)
{
// GT
case SignalScripts.SCRTermCondition.GT:
result = term1value > term2value;
break;
// GE
case SignalScripts.SCRTermCondition.GE:
result = term1value >= term2value;
break;
// LT
case SignalScripts.SCRTermCondition.LT:
result = term1value < term2value;
break;
// LE
case SignalScripts.SCRTermCondition.LE:
result = term1value <= term2value;
break;
// EQ
case SignalScripts.SCRTermCondition.EQ:
result = term1value == term2value;
break;
// NE
case SignalScripts.SCRTermCondition.NE:
result = term1value != term2value;
break;
}
}
return(result);
}
//================================================================================================//
// return function value
// Possible functions : see enum SCRExternalFunctions
//================================================================================================//
private static int FunctionValue(SignalHead head, SignalScripts.SCRScripts.SCRStatTerm term, int[] localFloats)
{
int result = 0;
int parameter1 = 0;
int parameter2 = 0;
// extract parameters (max. 2)
if (term.PartParameter != null)
{
if (term.PartParameter.Length >= 1)
{
SignalScripts.SCRScripts.SCRParameterType parameter = term.PartParameter[0];
parameter1 = TermValue(head, parameter, localFloats);
}
if (term.PartParameter.Length >= 2)
{
SignalScripts.SCRScripts.SCRParameterType parameter = term.PartParameter[1];
parameter2 = TermValue(head, parameter, localFloats);
}
}
// switch on function
switch (term.Function)
{
// BlockState
case SignalScripts.SCRExternalFunctions.BLOCK_STATE:
result = (int)head.MainSignal.BlockState();
break;
// Route set
case SignalScripts.SCRExternalFunctions.ROUTE_SET:
result = head.VerifyRouteSet();
break;
// next_sig_lr
case SignalScripts.SCRExternalFunctions.NEXT_SIG_LR:
result = (int)head.NextSignalLR(parameter1);
break;
// next_sig_mr
case SignalScripts.SCRExternalFunctions.NEXT_SIG_MR:
result = (int)head.NextSignalMR(parameter1);
break;
// this_sig_lr
case SignalScripts.SCRExternalFunctions.THIS_SIG_LR:
SignalAspectState returnState_lr = head.ThisSignalLR(parameter1);
result = returnState_lr != SignalAspectState.Unknown ? (int)returnState_lr : -1;
break;
// this_sig_mr
case SignalScripts.SCRExternalFunctions.THIS_SIG_MR:
SignalAspectState returnState_mr = head.ThisSignalMR(parameter1);
result = returnState_mr != SignalAspectState.Unknown ? (int)returnState_mr : -1;
break;
// opp_sig_lr
case SignalScripts.SCRExternalFunctions.OPP_SIG_LR:
result = (int)head.OppositeSignalLR(parameter1);
break;
// opp_sig_mr
case SignalScripts.SCRExternalFunctions.OPP_SIG_MR:
result = (int)head.OppositeSignalMR(parameter1);
break;
// next_nsig_lr
case SignalScripts.SCRExternalFunctions.NEXT_NSIG_LR:
result = (int)head.NextNthSignalLR(parameter1, parameter2);
break;
// dist_multi_sig_mr
case SignalScripts.SCRExternalFunctions.DIST_MULTI_SIG_MR:
result = (int)head.MRSignalMultiOnRoute(parameter1, parameter2);
break;
// dist_multi_sig_mr_of_lr
case SignalScripts.SCRExternalFunctions.DIST_MULTI_SIG_MR_OF_LR:
result = (int)head.LRSignalMultiOnRoute(parameter1, parameter2);
break;
// next_sig_id
case SignalScripts.SCRExternalFunctions.NEXT_SIG_ID:
result = head.NextSignalId(parameter1);
break;
// next_nsig_id
case SignalScripts.SCRExternalFunctions.NEXT_NSIG_ID:
result = head.NextNthSignalId(parameter1, parameter2);
break;
// opp_sig_id
case SignalScripts.SCRExternalFunctions.OPP_SIG_ID:
result = head.OppositeSignalId(parameter1);
break;
// id_sig_enabled
case SignalScripts.SCRExternalFunctions.ID_SIG_ENABLED:
result = head.SignalEnabledById(parameter1);
break;
// id_sig_lr
case SignalScripts.SCRExternalFunctions.ID_SIG_LR:
result = (int)head.SignalLRById(parameter1, parameter2);
break;
// sig_feature
case SignalScripts.SCRExternalFunctions.SIG_FEATURE:
result = Convert.ToInt32(head.VerifySignalFeature(parameter1));
break;
// allow to clear to partial route
case SignalScripts.SCRExternalFunctions.ALLOW_CLEAR_TO_PARTIAL_ROUTE:
head.MainSignal.AllowClearPartialRoute(parameter1);
break;
// approach control position
case SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_POSITION:
result = Convert.ToInt32(head.MainSignal.ApproachControlPosition(parameter1, false));
break;
// approach control position forced
case SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_POSITION_FORCED:
result = Convert.ToInt32(head.MainSignal.ApproachControlPosition(parameter1, true));
break;
// approach control speed
case (SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_SPEED):
result = Convert.ToInt32(head.MainSignal.ApproachControlSpeed(parameter1, parameter2));
break;
// approach control next stop
case SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_NEXT_STOP:
result = Convert.ToInt32(head.MainSignal.ApproachControlNextStop(parameter1, parameter2));
break;
// Lock claim for approach control
case SignalScripts.SCRExternalFunctions.APPROACH_CONTROL_LOCK_CLAIM:
head.MainSignal.LockClaim();
break;
// Activate timing trigger
case (SignalScripts.SCRExternalFunctions.ACTIVATE_TIMING_TRIGGER):
head.MainSignal.ActivateTimingTrigger();
break;
// Check timing trigger
case SignalScripts.SCRExternalFunctions.CHECK_TIMING_TRIGGER:
result = Convert.ToInt32(head.MainSignal.CheckTimingTrigger(parameter1));
break;
// Check for CallOn
case SignalScripts.SCRExternalFunctions.TRAINHASCALLON:
head.MainSignal.CallOnEnabled = true;
result = Convert.ToInt32(head.MainSignal.TrainHasCallOn(true, false));
break;
// Check for CallOn Restricted
case SignalScripts.SCRExternalFunctions.TRAINHASCALLON_RESTRICTED:
head.MainSignal.CallOnEnabled = true;
result = Convert.ToInt32(head.MainSignal.TrainHasCallOn(false, false));
break;
// Check for CallOn
case SignalScripts.SCRExternalFunctions.TRAINHASCALLON_ADVANCED:
head.MainSignal.CallOnEnabled = true;
result = Convert.ToInt32(head.MainSignal.TrainHasCallOn(true, true));
break;
// Check for CallOn Restricted
case SignalScripts.SCRExternalFunctions.TRAINHASCALLON_RESTRICTED_ADVANCED:
head.MainSignal.CallOnEnabled = true;
result = Convert.ToInt32(head.MainSignal.TrainHasCallOn(false, true));
break;
// check if train needs next signal
case SignalScripts.SCRExternalFunctions.TRAIN_REQUIRES_NEXT_SIGNAL:
result = Convert.ToInt32(head.MainSignal.RequiresNextSignal(parameter1, parameter2));
break;
case SignalScripts.SCRExternalFunctions.FIND_REQ_NORMAL_SIGNAL:
result = head.MainSignal.FindRequiredNormalSignal(parameter1);
break;
// check if route upto required signal is fully cleared
case SignalScripts.SCRExternalFunctions.ROUTE_CLEARED_TO_SIGNAL:
result = (int)head.MainSignal.RouteClearedToSignal(parameter1, false);
break;
// check if route upto required signal is fully cleared, but allow callon
case SignalScripts.SCRExternalFunctions.ROUTE_CLEARED_TO_SIGNAL_CALLON:
result = (int)head.MainSignal.RouteClearedToSignal(parameter1, true);
break;
// check if specified head enabled
case SignalScripts.SCRExternalFunctions.HASHEAD:
result = head.MainSignal.HasHead(parameter1);
break;
// increase active value of SignalNumClearAhead
case SignalScripts.SCRExternalFunctions.INCREASE_SIGNALNUMCLEARAHEAD:
head.MainSignal.IncreaseSignalNumClearAhead(parameter1);
break;
// decrease active value of SignalNumClearAhead
case SignalScripts.SCRExternalFunctions.DECREASE_SIGNALNUMCLEARAHEAD:
head.MainSignal.DecreaseSignalNumClearAhead(parameter1);
break;
// set active value of SignalNumClearAhead
case SignalScripts.SCRExternalFunctions.SET_SIGNALNUMCLEARAHEAD:
head.MainSignal.SetSignalNumClearAhead(parameter1);
break;
// reset active value of SignalNumClearAhead to default
case SignalScripts.SCRExternalFunctions.RESET_SIGNALNUMCLEARAHEAD:
head.MainSignal.ResetSignalNumClearAhead();
break;
// store_lvar
case SignalScripts.SCRExternalFunctions.STORE_LVAR:
head.StoreLocalVariable(parameter1, parameter2);
break;
// this_sig_lvar
case SignalScripts.SCRExternalFunctions.THIS_SIG_LVAR:
result = head.ThisSignalLocalVariable(parameter1);
break;
// next_sig_lvar
case SignalScripts.SCRExternalFunctions.NEXT_SIG_LVAR:
result = head.NextSignalLocalVariable(parameter1, parameter2);
break;
// id_sig_lvar
case SignalScripts.SCRExternalFunctions.ID_SIG_LVAR:
result = head.LocalVariableBySignalId(parameter1, parameter2);
break;
// this_sig_noupdate
case SignalScripts.SCRExternalFunctions.THIS_SIG_NOUPDATE:
head.MainSignal.Static = true;
break;
// this_sig_hasnormalsubtype
case SignalScripts.SCRExternalFunctions.THIS_SIG_HASNORMALSUBTYPE:
result = head.SignalHasNormalSubtype(parameter1);
break;
// next_sig_hasnormalsubtype
case SignalScripts.SCRExternalFunctions.NEXT_SIG_HASNORMALSUBTYPE:
result = head.NextSignalHasNormalSubtype(parameter1);
break;
// next_sig_hasnormalsubtype
case SignalScripts.SCRExternalFunctions.ID_SIG_HASNORMALSUBTYPE:
result = head.SignalHasNormalSubtypeById(parameter1, parameter2);
break;
// switchstand
case SignalScripts.SCRExternalFunctions.SWITCHSTAND:
result = head.Switchstand(parameter1, parameter2);
break;
// def_draw_state
case SignalScripts.SCRExternalFunctions.DEF_DRAW_STATE:
result = head.DefaultDrawState((SignalAspectState)parameter1);
break;
// DEBUG routine : to be implemented later
default:
break;
}
// check sign
if (term.TermOperator == SignalScripts.SCRTermOperator.MINUS)
{
result = -result;
}
return(result);
}
//================================================================================================//
// get parameter term value
//================================================================================================//
private static int TermValue(SignalHead head, SignalScripts.SCRScripts.SCRParameterType parameter, int[] localFloats)
{
int result = 0;
// for non-function terms only first entry is valid
switch (parameter.PartType)
{
// assign value to external float
// Possible floats :
// STATE
// DRAW_STATE
// ENABLED
// BLOCK_STATE
case (SignalScripts.SCRTermType.ExternalFloat):
SignalScripts.SCRExternalFloats floatType = (SignalScripts.SCRExternalFloats)parameter.PartParameter;
switch (floatType)
{
case SignalScripts.SCRExternalFloats.STATE:
result = (int)head.SignalIndicationState;
break;
case SignalScripts.SCRExternalFloats.DRAW_STATE:
result = head.DrawState;
break;
case SignalScripts.SCRExternalFloats.ENABLED:
result = Convert.ToInt32(head.MainSignal.Enabled);
break;
case SignalScripts.SCRExternalFloats.BLOCK_STATE:
result = (int)head.MainSignal.BlockState();
break;
case SignalScripts.SCRExternalFloats.APPROACH_CONTROL_REQ_POSITION:
result = head.ApproachControlLimitPositionM.HasValue ? Convert.ToInt32(head.ApproachControlLimitPositionM.Value) : -1;
break;
case SignalScripts.SCRExternalFloats.APPROACH_CONTROL_REQ_SPEED:
result = head.ApproachControlLimitSpeedMpS.HasValue ? Convert.ToInt32(head.ApproachControlLimitSpeedMpS.Value) : -1;
break;
default:
break;
}
break;
// Local float
case (SignalScripts.SCRTermType.LocalFloat):
result = localFloats[parameter.PartParameter];
break;
// all others : constants
default:
result = parameter.PartParameter;
break;
}
return(result);
}
