fix semi-pro algorithm, update redeye

addons/missileguidance/CfgMissileTypesNato.hpp

@@ -579,8 +579,8 @@ class GVAR(type_RBS70) {
 class GVAR(type_Redeye) {
     enabled = 0;
 
-    pitchRate = 27;          // Minium flap deflection for guidance
-    yawRate = 27;            // Maximum flap deflection for guidance
+    pitchRate = 40;          // Minium flap deflection for guidance
+    yawRate = 40;            // Maximum flap deflection for guidance
 
     canVanillaLock = 1;          // Can this default vanilla lock? Only applicable to non-cadet mode
 
@@ -596,6 +596,7 @@ class GVAR(type_Redeye) {
 
     defaultNavigationType = "LineOfSight";
     navigationTypes[] = { "LineOfSight" };
+    navigationGain = 3;
 
     seekLastTargetPos = 0;      // seek last target position [if seeker loses LOS of target, continue to last known pos]
     seekerAngle = 45;           // Angle from the shooter's view that can track the missile

addons/missileguidance/XEH_PREP.hpp

@@ -59,6 +59,7 @@ PREP(mwr_onFired);
 PREP(IR_onFired);
 
 // Navigation OnFired
+PREP(los_onFired);
 PREP(proNav_onFired);
 PREP(line_onFired);
 

addons/missileguidance/functions/fnc_navigationType_lineOfSight.sqf

@@ -18,31 +18,29 @@ params ["_args", "_timestep", "_seekerTargetPos", "_profileAdjustedTargetPos"];
 _args params ["_firedEH", "", "", "", "_stateParams", "_targetData"];
 _firedEH params ["","","","","","","_projectile"];
 _stateParams params ["", "", "", "","_navigationParams"];
-_navigationParams params ["_onLaunch"];
-_onLaunch params ["_lastLineOfSight"];
-_targetData params ["_targetDirection", "_attackProfileDirection", "", "_targetVelocity", ""];
+_navigationParams params ["_lastMissileFrame", "_navigationGain"];
+_lastMissileFrame params ["_lastLineOfSight"];
+_targetData params ["_targetDirection", "_attackProfileDirection"];
 
 // Semi-proportional navigation implemented via "Fundamentals of proportional navigation" by Stephen Murtaugh and Harry Criel
-
-// the los rate is tiny, so we multiply by a constant of a power of ten to get more aggressive acceleration
-// this is just due to how we measure our LOS delta, the vectors involved are _tiny_
-private _losDelta = _attackProfileDirection vectorDiff _lastLineOfSight;
+private _losDelta = (vectorNormalized _attackProfileDirection) vectorDiff (vectorNormalized _lastLineOfSight);
 private _losRate = if (_timestep == 0) then {
     0
 } else {
-    10 * (vectorMagnitude _losDelta) / _timestep; 
+    1 * (vectorMagnitude _losDelta) / _timestep; 
 };
 
-private _closingVelocity = _targetVelocity vectorDiff (velocity _projectile);
+private _lateralAcceleration = _navigationGain * _losRate;
+private _commandedAcceleration = _attackProfileDirection vectorMultiply _lateralAcceleration;
 
-private _commandedAcceleration = _closingVelocity vectorMultiply _losRate;
+private _missileDirection = vectorNormalized velocity _projectile;
 
 // we need acceleration normal to our LOS
-private _commandedAccelerationProjected = _attackProfileDirection vectorMultiply (_commandedAcceleration vectorDotProduct _attackProfileDirection);
+private _commandedAccelerationProjected = _missileDirection vectorMultiply (_commandedAcceleration vectorDotProduct _missileDirection);
 _commandedAcceleration = _commandedAcceleration vectorDiff _commandedAccelerationProjected;
 
 if (accTime > 0) then {
-    _navigationParams set [0, [_attackProfileDirection]];
+    _navigationParams set [0, [_seekerTargetPos]];
 };
 
-_targetDirection
+_commandedAcceleration