UNIT/GROUP - added function to get the skill of a unit. SEAD - added functionality to calculate time-2-impact of HARMS and adjust behaviour accordingly

This commit is contained in:
Applevangelist 2021-08-27 14:56:50 +02:00
parent 0edbf7f517
commit cea7320a9b
5 changed files with 153 additions and 49 deletions

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@ -17,7 +17,7 @@
--
-- ### Authors: **FlightControl**, **applevangelist**
--
-- Last Update: July 2021
-- Last Update: Aug 2021
--
-- ===
--
@ -59,7 +59,7 @@ SEAD = {
["AGM_122"] = "AGM_122",
["AGM_84"] = "AGM_84",
["AGM_45"] = "AGM_45",
["ALARN"] = "ALARM",
["ALARM"] = "ALARM",
["LD-10"] = "LD-10",
["X_58"] = "X_58",
["X_28"] = "X_28",
@ -68,6 +68,23 @@ SEAD = {
["Kh25"] = "Kh25",
}
--- Missile enumerators
-- @field HarmData
SEAD.HarmData = {
-- km and mach
["AGM_88"] = { 150, 3},
["AGM_45"] = { 12, 2},
["AGM_122"] = { 16.5, 2.3},
["AGM_84"] = { 280, 0.85},
["ALARM"] = { 45, 2},
["LD-10"] = { 60, 4},
["X_58"] = { 70, 4},
["X_28"] = { 80, 2.5},
["X_25"] = { 25, 0.76},
["X_31"] = {150, 3},
["Kh25"] = {25, 0.8},
}
--- Creates the main object which is handling defensive actions for SA sites or moving SA vehicles.
-- When an anti radiation missile is fired (KH-58, KH-31P, KH-31A, KH-25MPU, HARM missiles), the SA will shut down their radars and will take evasive actions...
-- Chances are big that the missile will miss.
@ -92,7 +109,7 @@ function SEAD:New( SEADGroupPrefixes )
end
self:HandleEvent( EVENTS.Shot, self.HandleEventShot )
self:I("*** SEAD - Started Version 0.2.9")
self:I("*** SEAD - Started Version 0.2.10")
return self
end
@ -134,22 +151,56 @@ end
-- @param #SEAD self
-- @param #string WeaponName
-- @return #boolean Returns true for a match
-- @return #string name Name of hit in table
function SEAD:_CheckHarms(WeaponName)
self:T( { WeaponName } )
local hit = false
local name = ""
for _,_name in pairs (SEAD.Harms) do
if string.find(WeaponName,_name,1) then hit = true end
if string.find(WeaponName,_name,1) then
hit = true
name = _name
break
end
end
return hit
return hit, name
end
--- (Internal) Return distance in meters between two coordinates or -1 on error.
-- @param #SEAD self
-- @param Core.Point#COORDINATE _point1 Coordinate one
-- @param Core.Point#COORDINATE _point2 Coordinate two
-- @return #number Distance in meters
function SEAD:_GetDistance(_point1, _point2)
self:T("_GetDistance")
if _point1 and _point2 then
local distance1 = _point1:Get2DDistance(_point2)
local distance2 = _point1:DistanceFromPointVec2(_point2)
self:I({dist1=distance1, dist2=distance2})
if distance1 and type(distance1) == "number" then
return distance1
elseif distance2 and type(distance2) == "number" then
return distance2
else
self:E("*****Cannot calculate distance!")
self:E({_point1,_point2})
return -1
end
else
self:E("******Cannot calculate distance!")
self:E({_point1,_point2})
return -1
end
end
--- Detects if an SAM site was shot with an anti radiation missile. In this case, take evasive actions based on the skill level set within the ME.
-- @see SEAD
-- @param #SEAD
-- @param Core.Event#EVENTDATA EventData
function SEAD:HandleEventShot( EventData )
self:T( { EventData } )
local SEADPlane = EventData.IniUnit -- Wrapper.Unit#UNIT
local SEADPlanePos = SEADPlane:GetCoordinate() -- Core.Point#COORDINATE
local SEADUnit = EventData.IniDCSUnit
local SEADUnitName = EventData.IniDCSUnitName
local SEADWeapon = EventData.Weapon -- Identify the weapon fired
@ -163,11 +214,14 @@ function SEAD:HandleEventShot( EventData )
local _targetMimgroupName = "none"
local _evade = math.random (1,100) -- random number for chance of evading action
local _targetMim = EventData.Weapon:getTarget() -- Identify target
local _targetUnit = UNIT:Find(_targetMim) -- Unit name by DCS Object
local _targetUnit = UNIT:Find(_targetMim) -- Wrapper.Unit#UNIT
local _targetMimgroup = nil -- Wrapper.Group#GROUP
if _targetUnit and _targetUnit:IsAlive() then
local _targetMimgroup = _targetUnit:GetGroup()
_targetMimgroup = _targetUnit:GetGroup()
_targetMimgroupName = _targetMimgroup:GetName() -- group name
--local _targetskill = _DATABASE.Templates.Units[_targetUnit].Template.skill
local _targetUnitName = _targetUnit:GetName()
_targetUnit:GetSkill()
_targetskill = _targetUnit:GetSkill()
self:T( self.SEADGroupPrefixes )
self:T( _targetMimgroupName )
end
@ -189,39 +243,67 @@ function SEAD:HandleEventShot( EventData )
self:T( _targetskill )
if self.TargetSkill[_targetskill] then
if (_evade > self.TargetSkill[_targetskill].Evade) then
self:T( string.format("*** SEAD - Evading, target skill " ..string.format(_targetskill)) )
local _targetMimgroup = Unit.getGroup(Weapon.getTarget(SEADWeapon))
local _targetMimcont= _targetMimgroup:getController()
routines.groupRandomDistSelf(_targetMimgroup,300,'Diamond',250,20) -- move randomly
--tracker ID table to switch groups off and on again
local id = {
groupName = _targetMimgroup,
ctrl = _targetMimcont
}
local function SuppressionEnd(id) --switch group back on
local range = self.EngagementRange -- Feature Request #1355
self:T(string.format("*** SEAD - Engagement Range is %d", range))
id.ctrl:setOption(AI.Option.Ground.id.ALARM_STATE,AI.Option.Ground.val.ALARM_STATE.RED)
--id.groupName:enableEmission(true)
id.ctrl:setOption(AI.Option.Ground.id.AC_ENGAGEMENT_RANGE_RESTRICTION,range) --Feature Request #1355
self.SuppressedGroups[id.groupName] = nil --delete group id from table when done
-- calculate distance of attacker
local _targetpos = _targetMimgroup:GetCoordinate()
local _distance = self:_GetDistance(SEADPlanePos, _targetpos)
-- weapon speed
local hit, data = self:_CheckHarms(SEADWeaponName)
local wpnpeed = 666
local reach = 10
if hit then
local wpndata = SEAD.HarmData[data]
reach = wpndata[1] * 1,1
local mach = wpndata[2]
wpnpeed = math.floor(mach * 340.29)
end
-- randomize switch-on time
local delay = math.random(self.TargetSkill[_targetskill].DelayOn[1], self.TargetSkill[_targetskill].DelayOn[2])
local SuppressionEndTime = timer.getTime() + delay
--create entry
if self.SuppressedGroups[id.groupName] == nil then --no timer entry for this group yet
self.SuppressedGroups[id.groupName] = {
SuppressionEndTime = delay
}
Controller.setOption(_targetMimcont, AI.Option.Ground.id.ALARM_STATE,AI.Option.Ground.val.ALARM_STATE.GREEN)
--_targetMimgroup:enableEmission(false)
timer.scheduleFunction(SuppressionEnd, id, SuppressionEndTime) --Schedule the SuppressionEnd() function
-- time to impact
local _tti = math.floor(_distance / wpnpeed) -- estimated impact time
if _distance > 0 then
_distance = math.floor(_distance / 1000) -- km
else
_distance = 0
end
self:T( string.format("*** SEAD - target skill %s, distance %dkm, reach %dkm, tti %dsec", _targetskill, _distance,reach,_tti ))
local _targetMimgroup1 = Unit.getGroup(Weapon.getTarget(SEADWeapon))
local _targetMimcont1 = _targetMimgroup1:getController()
if reach >= _distance then
self:T("*** SEAD - Relocating")
_targetMimgroup:RelocateGroundRandomInRadius(20,300,false,false,"Diamond")
--routines.groupRandomDistSelf(_targetMimgroup,300,'Diamond',250,20) -- move randomly
--tracker ID table to switch groups off and on again
local id = {
groupName = _targetMimgroup1,
ctrl = _targetMimcont1
}
local function SuppressionEnd(id) --switch group back on
local range = self.EngagementRange -- Feature Request #1355
--self:T(string.format("*** SEAD - Engagement Range is %d", range))
self:T("*** SEAD - Radar On")
id.ctrl:setOption(AI.Option.Ground.id.ALARM_STATE,AI.Option.Ground.val.ALARM_STATE.RED)
--id.groupName:enableEmission(true)
id.ctrl:setOption(AI.Option.Ground.id.AC_ENGAGEMENT_RANGE_RESTRICTION,range) --Feature Request #1355
self.SuppressedGroups[id.groupName] = nil --delete group id from table when done
end
-- randomize switch-on time
local delay = math.random(self.TargetSkill[_targetskill].DelayOn[1], self.TargetSkill[_targetskill].DelayOn[2])
if delay < _tti then delay = _tti * 1,1 end
local SuppressionEndTime = timer.getTime() + delay
--create entry
if self.SuppressedGroups[id.groupName] == nil then --no timer entry for this group yet
self.SuppressedGroups[id.groupName] = {
SuppressionEndTime = delay
}
self:T(string.format("*** SEAD - Radar Off for %dsecs",delay))
Controller.setOption(_targetMimcont1, AI.Option.Ground.id.ALARM_STATE,AI.Option.Ground.val.ALARM_STATE.GREEN)
--_targetMimgroup:enableEmission(false)
timer.scheduleFunction(SuppressionEnd, id, SuppressionEndTime) --Schedule the SuppressionEnd() function
end
end
end
end

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@ -113,7 +113,7 @@ do
["AGM_122"] = "AGM_122",
["AGM_84"] = "AGM_84",
["AGM_45"] = "AGM_45",
["ALARN"] = "ALARM",
["ALARM"] = "ALARM",
["LD-10"] = "LD-10",
["X_58"] = "X_58",
["X_28"] = "X_28",

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@ -3775,12 +3775,13 @@ end
--- (GROUND) Relocate controllable to a random point within a given radius; use e.g.for evasive actions; Note that not all ground controllables can actually drive, also the alarm state of the controllable might stop it from moving.
-- @param #CONTROLLABLE self
-- @param #number speed Speed of the controllable, default 20
-- @param #number radius Radius of the relocation zone, default 500
-- @param #boolean onroad If true, route on road (less problems with AI way finding), default true
-- @param #boolean shortcut If true and onroad is set, take a shorter route - if available - off road, default false
-- @param #number speed Speed of the controllable, default 20
-- @param #number radius Radius of the relocation zone, default 500
-- @param #boolean onroad If true, route on road (less problems with AI way finding), default true
-- @param #boolean shortcut If true and onroad is set, take a shorter route - if available - off road, default false
-- @param #string formation Formation string as in the mission editor, e.g. "Vee", "Diamond", "Line abreast", etc. Defaults to "Off Road"
-- @return #CONTROLLABLE self
function CONTROLLABLE:RelocateGroundRandomInRadius(speed, radius, onroad, shortcut)
function CONTROLLABLE:RelocateGroundRandomInRadius(speed, radius, onroad, shortcut, formation)
self:F2( { self.ControllableName } )
local _coord = self:GetCoordinate()
@ -3791,14 +3792,14 @@ function CONTROLLABLE:RelocateGroundRandomInRadius(speed, radius, onroad, shortc
local _grptsk = {}
local _candoroad = false
local _shortcut = shortcut or false
local _formation = formation or "Off Road"
-- create a DCS Task an push it on the group
-- TaskGroundOnRoad(ToCoordinate,Speed,OffRoadFormation,Shortcut,FromCoordinate,WaypointFunction,WaypointFunctionArguments)
if onroad then
_grptsk, _candoroad = self:TaskGroundOnRoad(_tocoord,_speed,"Off Road",_shortcut)
_grptsk, _candoroad = self:TaskGroundOnRoad(_tocoord,_speed,_formation,_shortcut)
self:Route(_grptsk,5)
else
self:TaskRouteToVec2(_tocoord:GetVec2(),_speed,"Off Road")
self:TaskRouteToVec2(_tocoord:GetVec2(),_speed,_formation)
end
return self

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@ -2594,6 +2594,17 @@ function GROUP:SetCommandImmortal(switch)
return self
end
--- Get skill from Group. Effectively gets the skill from Unit 1 as the group holds no skill value.
-- @param #GROUP self
-- @return #string Skill String of skill name.
function GROUP:GetSkill()
self:F2( self.GroupName )
local unit = self:GetUnit(1)
local name = unit:GetName()
local skill = _DATABASE.Templates.Units[name].Template.skill or "Random"
return skill
end
--do -- Smoke
--
----- Signal a flare at the position of the GROUP.

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@ -1426,3 +1426,13 @@ function UNIT:EnableEmission(switch)
return self
end
--- Get skill from Unit.
-- @param #UNIT self
-- @return #string Skill String of skill name.
function UNIT:GetSkill()
self:F2( self.UnitName )
local name = self.UnitName
local skill = _DATABASE.Templates.Units[name].Template.skill or "Random"
return skill
end