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lab1/platforms/brawler/alternatives/behavior_alt3511_break_right.txt
2025-09-12 15:20:28 +08:00

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# ****************************************************************************
# CUI
#
# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
#
# The use, dissemination or disclosure of data in this file is subject to
# limitation or restriction. See accompanying README and LICENSE for details.
# ****************************************************************************
// converted BRAWLER v7.5 alt35.f
// Replicates the 1v1 Defensive Maneuver 3,5,1,1 alternative behavior
// Defensive right break turn
// Operates on nearest perceived threat to generate maneuver alternative
include_once BrawlerScriptUtil.txt
behavior alt3511_break_right
script_debug_writes off
script_variables
WsfQuantumTaskerProcessor processor;
WsfPerceptionProcessor perception;
WsfBrawlerPlatform brawlerPlatform;
//**********************************************************************//
//** debugging parameters **//
//**********************************************************************//
bool mDrawSteering = false;
//**********************************************************************//
//** alternative parameters **//
//**********************************************************************//
// Flag used to enable/disable this alternative
bool mAlternative3511Enabled = true;
bool mCheckRange = true;
bool mCheckBoresight = true;
bool mCheckClosingSpeed = true;
// Alternative ID
int ilevel = 3;
int kalt = 5;
int icall = 1;
int lcall = 1;
// Maneuver Alternative flight values
Vec3 mDir0;
double mGMX = 1.0;
double mSpd0 = 3.0;
// ALSO NEED:
// randomization to simulate imperfect desision making, valsig, read from MIND file, typically ~0.01
// Production rule bias, used in socring of alternative
//**********************************************************************//
//********* VARIABLES BELOW THIS LINE ARE NOT FOR USER EDITING *********//
//**********************************************************************//
WsfDraw mDraw = WsfDraw();
double mLastTime = 0.0;
end_script_variables
on_init
if (PROCESSOR.IsA_TypeOf("WSF_QUANTUM_TASKER_PROCESSOR"))
{
processor = (WsfQuantumTaskerProcessor)PROCESSOR;
}
perception = (WsfPerceptionProcessor)PLATFORM.Processor("perception");
brawlerPlatform = (WsfBrawlerPlatform)PLATFORM;
end_on_init
precondition
#writeln_d(PLATFORM.Name(), " precondition behavior_alt3511_break_right, T=", TIME_NOW);
### Evaluate conditions that would prevent behavior alternative from running
if (!PROCESSOR.IsA_TypeOf("WSF_QUANTUM_TASKER_PROCESSOR"))
{
return Failure("behavior not attached to a WSF_QUANTUM_TASKER_PROCESSOR");
}
if (!mAlternative3511Enabled)
{
return Failure("behavior alternative not enabled");
}
WsfTaskList tasks = processor.TasksReceivedOfType("WEAPON");
if(tasks.Count() <= 0)
{
return Failure("no weapon (hostile) tasks!");
}
WsfTask targetTask = tasks.Entry(0);
WsfLocalTrack hostile = PLATFORM.MasterTrackList().Find(targetTask.LocalTrackId());
if (!hostile.IsValid())
{
return Failure("no hostile track!");
}
//TODO - change this script so it doesn't use a truth method?
if (hostile.TargetKilled())
{
return Failure("hostile was destroyed!");
}
// alt35.f line 136 - 140
//if the predicted range (rngun) between me and threat greater then 2 nautical miles, skip
double projectionTime = TIME_NOW + brawlerPlatform.ProjectedTimeDelta();
WsfGeoPoint projectedHostileLocation = hostile.LocationAtTime(projectionTime);
double rangeToHostile = PLATFORM.SlantRangeTo(projectedHostileLocation);
if (mCheckRange == true && rangeToHostile > 2.0 * Math.M_PER_NM())
{
string msg = write_str("T=",TIME_NOW,", alt ", ilevel, kalt, icall, lcall, " nearest hostile further than 2 nautical miles");
writeln_d(msg);
return Failure(msg);
}
//if the off-bore angle between threat and me is greater than pi/2, skip
if (mCheckBoresight == true && brawlerPlatform.OffBoresightAngle(hostile.Target(), PLATFORM) > Math.PI_OVER_2())
{
string msg = write_str("T=",TIME_NOW,", alt ", ilevel, kalt, icall, lcall, " Boresight angle between hostile and me greater than Pi/2");
writeln_d(msg);
return Failure(msg);
}
//if the off-bore angle between me and the threat is less than pi/2 check more conditions
if (mCheckBoresight == true && brawlerPlatform.OffBoresightAngle(PLATFORM, hostile.Target()) < Math.PI_OVER_2())
{
//if the predicted range rate (rngrun) of the threat is greater then zero, skip
if (mCheckClosingSpeed == true && PLATFORM.ClosingSpeedOf(hostile) > 0)
{
string msg = write_str("T=",TIME_NOW,", alt ", ilevel, kalt, icall, lcall, " Hostile is not closing");
writeln_d(msg);
return Failure(msg);
}
//if the predicted range minus the range rate * 2 is greater than 3000, skip
if (mCheckRange == true && rangeToHostile * Math.FT_PER_M() - (PLATFORM.ClosingSpeedOf(hostile) * 3.28084 * 2.0) > 3000.0)
{
string msg = write_str("T=",TIME_NOW,", alt ", ilevel, kalt, icall, lcall, " Hostile further than 3000 ft within 2 seconds");
writeln_d(msg);
return Failure(msg);
}
}
// ALL CONDITIONS PASS
### Generate Maneuver Alternative
// alt35.f line 141 - 153
# fill dir0 with values from dxpme(1,iac)
# vxfrmc(rwep,dir0,dir0,1) - transforms vectors as specified by an orientation matrix
# dir0(1) = 0
# vxfrmc(rwep,dir0,dir0,2)
# if(-xp(3,me).lt.5000.) dir0(3) = amin1(0.,dir0(3))
# vnorm(dir0,dir0)
# gmx = gmxin+(2.-gmxin)*ramp(1.,rngun(iac)*ftnmi,2.)
# iactn = 4
# lenalt = lactn(iactn)
# altdsc = altpk(3,5,icall,1,iacidt(iac),0)
# spd0 = 3.
# spdmod = thrttl
mDir0 = RelativePositionNED(PLATFORM.Location(), projectedHostileLocation);
mDir0 = brawlerPlatform.ConvertNEDtoWind(mDir0);
mDir0.SetX(0.0);
mDir0 = brawlerPlatform.ConvertWindtoNED(mDir0);
if (PLATFORM.Altitude() < 5000.0 * Math.M_PER_FT())
{
mDir0.SetZ( Math.Min(0.0, mDir0.Z()) );
}
mDir0.Normalize();
mGMX = brawlerPlatform.MaxAvailableGs() + (2.0 - brawlerPlatform.MaxAvailableGs()) *
ramp(1.0, rangeToHostile * Math.M_PER_NM(), 2.0);
mSpd0 = 3.0;
### Evaluate (Score) Maneuver Alternative
double alternativeScore = brawlerPlatform.EvaluateVectorWithThrottle(mDir0, mGMX, mSpd0, ilevel, kalt, icall, lcall);
### Return Maneuver Alternative Score
return alternativeScore;
end_precondition
execute
writeln_d(PLATFORM.Name(), " executing behavior_alt3511_break_right, T=", TIME_NOW);
// Fly this alternative
brawlerPlatform.FlyVectorWithThrottle(mDir0, mGMX, mSpd0);
# if (mDrawSteering == true)
# {
# mDraw.SetLayer("behavior_pursue_target");
# mDraw.SetDuration(processor.UpdateInterval());
# mDraw.SetColor(1.0, 0.5, 0.0);
# mDraw.SetLineSize(1);
# mDraw.BeginLines();
# mDraw.Vertex(PLATFORM.Location());
# mDraw.Vertex(mTargetPoint);
# mDraw.End();
# }
#
# string msg = write_str("pursue-target: ", targetTrack.TargetName(), " at speed ", (string)mTargetSpeed);
# writeln_d(" T=", TIME_NOW, " ", PLATFORM.Name(), " ", msg);
# FlyTarget( PLATFORM, mTargetPoint, mTargetSpeed);
end_execute
end_behavior