128 lines
3.7 KiB
Plaintext
128 lines
3.7 KiB
Plaintext
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# ****************************************************************************
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# CUI
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#
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# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
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#
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# The use, dissemination or disclosure of data in this file is subject to
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# limitation or restriction. See accompanying README and LICENSE for details.
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# ****************************************************************************
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#this is a parent behavior of any defensive manuevers
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# first determine if we are in danger, then defend in the child behaviors
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include_once behavior_unload.txt
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include_once behavior_force_overshoot.txt
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behavior in_danger
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script_variables
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double cANGLE_TOLERANCE = 45.0; # degrees
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WsfTrack mBiggestThreat;
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end_script_variables
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script bool NotWeapon(WsfTrack aTrack)
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if (aTrack.Target().IsValid() && aTrack.Target().WeaponEngagement().IsValid())
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{
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return false; //it is a weapon
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}
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return true;
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end_script
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script bool IsFlyer(WsfPlatform aPlat)
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if (!aPlat.IsValid())
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{
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return false;
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}
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if (aPlat.Mover().IsA_TypeOf("WSF_AIR_MOVER" ) ||
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aPlat.Mover().IsA_TypeOf("WSF_6DOF_MOVER") )
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{
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return true;
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}
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else if (aPlat.MakeTrack().AirDomain())
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{
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return true;
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}
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else if((aPlat.Altitude() > 152.4) && (aPlat.Speed() > 51.44) ) // ~500 feet alt, ~100 knots speed
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{
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return true;
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}
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return false;
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end_script
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precondition
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writeln("precondition in_danger");
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//check track list for any threats
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#extern double mVisualRange;
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#extern string CalculatePositioning( WsfPlatform, WsfTrack, double );
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//see if anybody is threatening me
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mBiggestThreat = null;
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foreach (WsfLocalTrack t in PLATFORM.MasterTrackList())
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{
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if (!t.SideValid() || t.Side() != PLATFORM.Side())
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{
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double range = PLATFORM.SlantRangeTo(t);
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if ((range < mVisualRange) && NotWeapon(t) && IsFlyer(t.Target()))
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{
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string pos = CalculatePositioning(PLATFORM, t, cANGLE_TOLERANCE );
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if (pos=="tail-to-head" || pos=="target-facing-me")
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{
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if (!mBiggestThreat.IsValid() || (range < PLATFORM.SlantRangeTo(mBiggestThreat)))
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{
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#mBiggestThreat = (WsfTrack)t;
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mBiggestThreat = t;
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}
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}
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}
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}
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}
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if (mBiggestThreat.IsValid())
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{
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//if we are closer to our target, stay in the fight
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WsfTrack targetTrack = PROCESSOR.GetTarget();
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if (!targetTrack.IsNull() && targetTrack.IsValid())
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{
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#extern double mEngagementAggressiveness;
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double threatRange = PLATFORM.SlantRangeTo(mBiggestThreat);
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double requiredAggressiveness = threatRange / (threatRange + PLATFORM.SlantRangeTo(targetTrack));
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if (mEngagementAggressiveness >= requiredAggressiveness)
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{
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string myPos = CalculatePositioning(PLATFORM, targetTrack, cANGLE_TOLERANCE );
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if (myPos=="head-to-tail" || myPos="me-facing-target")
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{
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writeln(" not in enough danger, I am chasing target: ", targetTrack.TargetName());
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return false; #do not defend, I am aggressive enough to stay after my target, and I am facing my target
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}
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}
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}
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return true;
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}
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return false;
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end_precondition
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execute
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writeln("executing in_danger");
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PLATFORM.Comment("in_danger");
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end_execute
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selector
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behavior unload end_behavior
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behavior force_overshoot end_behavior
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end_selector
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end_behavior
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