----------------------------------------------------------------------- -- MANTIS System ----------------------------------------------------------------------- -- --- **MANTIS** - Moose derived *M*odular, *A*utomatic and *N*etwork capable *T*argeting and *I*nterception *S*ystem -- -- === -- -- MANTIS - Moose derived Modular, Automatic and Network capable Targeting and Interception System -- Controls a network of SAM sites. Use detection to switch on the AA site closest to the enemy -- Leverage evasiveness from SEAD -- Leverage attack range setup added by DCS in 11/20 -- -- === -- -- ### Authors : **applevangelist ** -- -- @module Functional.Mantis -- Date: Dec 2020 -- ------------------------------------------------------------------------- --- **MANTIS** class, extends @{Core.Base#BASE} -- @type MANTIS -- @field #string Classname -- @field #string name Name of this Mantis -- @field #string SAM_Templates_Prefix Prefix to build the #GROUP_SET for SAM sites -- @field @{Core.Set#GROUP_SET} SAM_Group The SAM #GROUP_SET -- @field #string EWR_Templates_Prefix Prefix to build the #GROUP_SET for EWR group -- @field @{Core.Set#GROUP_SET} EWR_Group The EWR #GROUP_SET -- @field #string SEAD_Template_CC The ME name of the HQ object -- @field @{Tasking.CommandCenter#COMMANDCENTER} SEAD_CC The #COMMANDCENTER object -- @field #table SAM_Table Table of SAM sites -- @field #string lid Prefix for logging -- @field @{Functional.Detection#DETECTION_AREAS} Detection The #DETECTION_AREAS object -- @field #boolean debug Switch on extra messages -- @field #number checkradius Radius of the SAM sites -- @field #number grouping Radius to group detected objects -- @field #number acceptrange Radius of the EWR detection -- @field #number detectinterval Interval in seconds for the target detection -- @extends @{Core.Base#BASE} --- *The worst thing that can happen to a good cause is, not to be skillfully attacked, but to be ineptly defended.* - Frédéric Bastiat -- -- Simple Class for a more intelligent Air Defense System -- -- #MANTIS -- Moose derived Modular, Automatic and Network capable Targeting and Interception System. -- Controls a network of SAM sites. Use detection to switch on the AA site closest to the enemy. -- Leverage evasiveness from @{Functional.Sead#SEAD}. -- Leverage attack range setup added by DCS in 11/20. -- @usage -- Set up your SAM sites in the mission editor. Name the groups with common prefix like "Red SAM". -- Set up your EWR system in the mission editor. Name the groups with common prefix like "Red EWR". Can be e.g. AWACS or a combination of AWACS and Search Radars like e.g. EWR 1L13 etc. -- [optional] Set up your HQ. Can be any group, e.g. a command vehicle. -- -- Start up your MANTIS -- -- `myredmantis = MANTIS:New("myredmantis","Red SAM","Red EWR",nil,"red",false)` -- [optional] Use `MANTIS:SetEWRGrouping(radius)`, `MANTIS:SetEWRRange(radius)`, `MANTIS:SetSAMRadius(radius)`, `MANTIS:SetDetectInterval(interval)` to fine-tune your setup. -- -- `myredmantis:Start()` -- -- @field #MANTIS MANTIS = { ClassName = "MANTIS", name = "mymantis", SAM_Templates_Prefix = "", SAM_Group = nil, EWR_Templates_Prefix = "", EWR_Group = nil, SEAD_Template_CC = "", SEAD_CC = nil, SAM_Table = {}, lid = "", Detection = nil, debug = false, checkradius = 25000, grouping = 5000, acceptrange = 80000, detectinterval = 30 } do --- Function instantiate new class --@param #MANTIS self --@param #string name Name of this MANTIS for reporting --@param #string samprefix Prefixes for the SAM groups from the ME, e.g. all groups starting with "Red Sam..." --@param #string ewrprefix Prefixes for the EWR and AWACS groups from the ME, e.g. all groups starting with "Red EWR..." --@param #string hq Group name of your HQ (optional) --@param #string coaltion Coalition side of your setup, e.g. "blue", "red" or "neutral" --@param #boolean dynamic Use constant (true) filtering or just filer once (false, default) --@return #MANTIS self function MANTIS:New(name,samprefix,ewrprefix,hq,coaltion,dynamic) -- DONE: Create user functions for these -- TODO: Make HQ useful -- TODO: Set SAMs to auto if EWR dies self.name = name or "mymantis" self.SAM_Templates_Prefix = samprefix or "Red SAM" self.EWR_Templates_Prefix = ewrprefix or "Red EWR" self.SEAD_Template_CC = hq or nil self.Coalition = coaltion or "red" self.SAM_Table = {} self.dynamic = dynamic or false self.checkradius = 25000 self.grouping = 5000 self.acceptrange = 80000 self.detectinterval = 30 -- @field #string version self.version="0.2.1" env.info(string.format("***** Starting MANTIS Version %s *****", self.version)) -- Set some string id for output to DCS.log file. self.lid=string.format("MANTIS %s | ", self.name) -- Debug trace. if self.debug then BASE:TraceOnOff(true) BASE:TraceClass(self.ClassName) --BASE:TraceClass("SEAD") BASE:TraceLevel(1) end if self.dynamic then -- get SAM SET_GROUP self.SAM_Group = SET_GROUP:New():FilterPrefixes(self.SAM_Templates_Prefix):FilterCoalitions(self.Coalition):FilterStart() -- get EWR SET_GROUP self.EWR_Group = SET_GROUP:New():FilterPrefixes({self.SAM_Templates_Prefix,self.EWR_Templates_Prefix}):FilterCoalitions(self.Coalition):FilterStart() else -- get SAM SET_GROUP self.SAM_Group = SET_GROUP:New():FilterPrefixes(self.SAM_Templates_Prefix):FilterCoalitions(self.Coalition):FilterOnce() -- get EWR SET_GROUP self.EWR_Group = SET_GROUP:New():FilterPrefixes({self.SAM_Templates_Prefix,self.EWR_Templates_Prefix}):FilterCoalitions(self.Coalition):FilterOnce() end -- set up CC if self.SEAD_Template_CC then self.SEAD_CC = COMMANDCENTER:New(GROUP:FindByName(self.SEAD_Template_CC),self.SEAD_Template_CC) end -- Inherit everything from BASE class. local self = BASE:Inherit(self, BASE:New()) -- #MANTIS return self end ----------------------------------------------------------------------- -- MANTIS helper functions ----------------------------------------------------------------------- --- [internal] Function to get the self.SAM_Table -- @param #MANTIS self -- @return #table table function MANTIS:_GetSAMTable() return self.SAM_Table end --- [internal] Function to set the self.SAM_Table -- @param #MANTIS self -- @return #MANTIS self function MANTIS:_SetSAMTable(table) self.SAM_Table = table return self end --- Function to set the grouping radius of the detection in meters -- @param #MANTIS self -- @param #number radius Radius upon which detected objects will be grouped function MANTIS:SetEWRGrouping(radius) local radius = radius or 5000 self.grouping = radius end --- Function to set the detection radius of the EWR in meters -- @param #MANTIS self -- @param #number radius Radius of the EWR detection zone function MANTIS:SetEWRRange(radius) local radius = radius or 80000 self.acceptrange = radius end --- Function to set switch-on/off zone for the SAM sites in meters -- @param #MANTIS self -- @param #number radius Radius of the firing zone function MANTIS:SetSAMRadius(radius) local radius = radius or 25000 self.checkradius = radius end --- Function to set switch-on/off the debug state -- @param #MANTIS self -- @param #boolean onoff Set true to switch on function MANTIS:Debug(onoff) local onoff = onoff or false self.debug = onoff end --- Function to set the detection interval -- @param #MANTIS self -- @param #number interval The interval in seconds function MANTIS:SetDetectInterval(interval) local interval = interval or 30 self.detectinterval = interval end --- Function to check if no object is in the given SAM zone -- @param #MANTIS self -- @param #table dectset Table of coordinates of detected items -- @param samcoordinate Core.Point#COORDINATE Coordinate object. -- @return #boolean True if in any zone, else false function MANTIS:CheckObjectInZone(dectset, samcoordinate) self:F(self.lid.."CheckObjectInZone Called") -- check if non of the coordinate is in the given defense zone local radius = self.checkradius local set = dectset for _,_coord in pairs (set) do local coord = _coord -- get current coord to check -- output for cross-check local dectstring = coord:ToStringLLDMS() local samstring = samcoordinate:ToStringLLDMS() local targetdistance = samcoordinate:DistanceFromPointVec2(coord) local text = string.format("Checking SAM at % s - Distance %d m - Target %s", samstring, targetdistance, dectstring) local m = MESSAGE:New(text,10,"Check"):ToAllIf(self.debug) -- end output to cross-check if targetdistance <= radius then return true end end return false end --- Function to start the detection via EWR groups -- @param #MANTIS self -- @return Functional.Detection #DETECTION_AREAS The running detection set function MANTIS:StartDetection() self:F(self.lid.."Starting Detection") -- start detection groupset = self.EWR_Group local grouping = self.grouping or 5000 local acceptrange = self.acceptrange or 80000 local interval = self.detectinterval or 60 _MANTISdetection = DETECTION_AREAS:New( groupset, grouping ) --group detected objects to 5000m zones _MANTISdetection:FilterCategories({ Unit.Category.AIRPLANE, Unit.Category.HELICOPTER }) _MANTISdetection:SetAcceptRange(acceptrange) _MANTISdetection:SetRefreshTimeInterval(interval) _MANTISdetection:Start() function _MANTISdetection:OnAfterDetectedItem(From,Event,To,DetectedItem) --BASE:I( { From, Event, To, DetectedItem }) if DetectedItem.IsDetected then local Coordinate = DetectedItem.Coordinate -- Core.Point#COORDINATE local text = "MANTIS: Detection at "..Coordinate:ToStringLLDMS() m = MESSAGE:New(text,10,"MANTIS"):ToAllIf(self.debug) end end return _MANTISdetection end --- Function to set the SAM start state -- @param #MANTIS self -- @return #MANTIS self function MANTIS:SetSAMStartState() self:F(self.lid.."Setting SAM Start States") -- get SAM Group local SAM_SET = self.SAM_Group local SAM_Grps = SAM_SET.Set --table of objects local SAM_Tbl = {} -- table of SAM defense zones local SEAD_Grps = {} -- table of SAM names to make evasive --cycle through groups and set alarm state etc for _i,_group in pairs (SAM_Grps) do --for i=1,#SAM_Grps do local group = _group group:OptionAlarmStateGreen() --group:OptionROEHoldFire() --group:SetAIOn() group:SetOption(AI.Option.Ground.id.AC_ENGAGEMENT_RANGE_RESTRICTION,75) --engagement will be 75% of firing range if group:IsGround() then local grpname = group:GetName() local grpcoord = group:GetCoordinate() local grpzone = ZONE_UNIT:New(grpname,group:GetUnit(1),5000) -- defense zone around each SAM site 5000 meters table.insert( SAM_Tbl, {grpname, grpcoord, grpzone}) table.insert( SEAD_Grps, grpname ) end end self.SAM_Table = SAM_Tbl -- make SAMs evasive SEAD:New( SEAD_Grps ) return self end ----------------------------------------------------------------------- -- MANTIS main functions ----------------------------------------------------------------------- --- Function to set the SAM start state -- @param #MANTIS self -- @return #MANTIS self function MANTIS:Start() self:F(self.lid.."Starting MANTIS") self:SetSAMStartState() self.Detection = self:StartDetection() local function check(detection) --get detected set local detset = detection:GetDetectedItemCoordinates() self:F("Check:", {detset}) --[[report detections if self.debug then for _,_data in pairs (detset) do local coord = _data local text = "Target detect at " text = text..coord:ToStringLLDMS() m=MESSAGE:New(text,15,"MANTIS"):ToAllIf(self.debug) end --end for end --end if ]] -- switch SAMs on/off if (n)one of the detected groups is inside their reach local samset = self:_GetSAMTable() -- table of i.1=names, i.2=coordinates and i.3=zones of SAM sites for _,_data in pairs (samset) do local samcoordinate = _data[2] local name = _data[1] local samgroup = GROUP:FindByName(name) if self:CheckObjectInZone(detset, samcoordinate) then --check any target in zone if samgroup:IsAlive() then -- switch off SAM samgroup:OptionAlarmStateRed() --samgroup:OptionROEWeaponFree() --samgroup:SetAIOn() text = string.format("SAM %s switched to alarm state RED!", name) m=MESSAGE:New(text,15,"MANTIS"):ToAllIf(self.debug) end --end alive else if samgroup:IsAlive() then -- switch off SAM samgroup:OptionAlarmStateGreen() --samgroup:OptionROEWeaponFree() --samgroup:SetAIOn() text = string.format("SAM %s switched to alarm state GREEN!", name) m=MESSAGE:New(text,15,"MANTIS"):ToAllIf(self.debug) end --end alive end --end check end --for for loop end --end function -- timer to run the system local interval = self.detectinterval self.MantisTimer = TIMER:New(check,self.Detection) self.MantisTimer:Start(5,interval,nil) return self end --- Function to stop MANTIS -- @param #MANTIS self -- @return #MANTIS self function MANTIS:Stop() if self.MantisTimer then self.MantisTimer:Stop() end return self end end ----------------------------------------------------------------------- -- MANTIS end -----------------------------------------------------------------------