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MOOSE/Moose Development/Moose/Ops/Target.lua
Frank f3d9b9c5be Ops
2020-11-06 00:29:42 +01:00

1043 lines
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Lua
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--- **Ops** - Target.
--
-- **Main Features:**
--
-- * Manages target, number alive, life points, damage etc.
-- * Events when targets are damaged or destroyed
-- * Various target objects: UNIT, GROUP, STATIC, AIRBASE, COORDINATE, SET_GROUP, SET_UNIT
--
-- ===
--
-- ### Author: **funkyfranky**
-- @module Ops.Target
-- @image OPS_Target.png
--- TARGET class.
-- @type TARGET
-- @field #string ClassName Name of the class.
-- @field #boolean Debug Debug mode. Messages to all about status.
-- @field #number verbose Verbosity level.
-- @field #string lid Class id string for output to DCS log file.
-- @field #table targets Table of target objects.
-- @field #number targetcounter Running number to generate target object IDs.
-- @field #number life Total life points on last status update.
-- @field #number life0 Total life points of completely healthy targets.
-- @field #number threatlevel0 Initial threat level.
-- @field #number category Target category (Ground, Air, Sea).
-- @field #number Ntargets0 Number of initial targets.
-- @extends Core.Fsm#FSM
--- **It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger** -- Dwight D. Eisenhower
--
-- ===
--
-- ![Banner Image](..\Presentations\OPS\Target\_Main.pngs)
--
-- # The TARGET Concept
--
-- Define a target of your mission and monitor its status. Events are triggered when the target is damaged or destroyed.
--
-- A target can consist of one or multiple "objects".
--
--
-- @field #TARGET
TARGET = {
ClassName = "TARGET",
Debug = nil,
verbose = 0,
lid = nil,
targets = {},
targetcounter = 0,
life = 0,
life0 = 0,
Ntargets0 = 0,
threatlevel0 = 0
}
--- Type.
-- @type TARGET.ObjectType
-- @field #string GROUP Target is a GROUP object.
-- @field #string UNIT Target is a UNIT object.
-- @field #string STATIC Target is a STATIC object.
-- @field #string SCENERY Target is a SCENERY object.
-- @field #string COORDINATE Target is a COORDINATE.
-- @field #string AIRBASE Target is an AIRBASE.
TARGET.ObjectType={
GROUP="Group",
UNIT="Unit",
STATIC="Static",
SCENERY="Scenery",
COORDINATE="Coordinate",
AIRBASE="Airbase",
}
--- Category.
-- @type TARGET.Category
-- @field #string AIRCRAFT
-- @field #string GROUND
-- @field #string NAVAL
-- @field #string AIRBASE
-- @field #string COORDINATE
TARGET.Category={
AIRCRAFT="Aircraft",
GROUND="Grund",
NAVAL="Naval",
AIRBASE="Airbase",
COORDINATE="Coordinate",
}
--- Object status.
-- @type TARGET.ObjectStatus
-- @field #string ALIVE Object is alive.
-- @field #string DEAD Object is dead.
TARGET.ObjectStatus={
ALIVE="Alive",
DEAD="Dead",
}
--- Type.
-- @type TARGET.Object
-- @field #number ID Target unique ID.
-- @field #string Name Target name.
-- @field #string Type Target type.
-- @field Wrapper.Positionable#POSITIONABLE Object The object, which can be many things, e.g. a UNIT, GROUP, STATIC, AIRBASE or COORDINATE object.
-- @field #number Life Life points on last status update.
-- @field #number Life0 Life points of completely healthy target.
-- @field #string Status Status "Alive" or "Dead".
-- @field Core.Point#COORDINATE Coordinate of the target object.
--- Global target ID counter.
_TARGETID=0
--- TARGET class version.
-- @field #string version
TARGET.version="0.1.0"
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- TODO list
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- TODO: A lot.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Constructor
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Create a new TARGET object and start the FSM.
-- @param #TARGET self
-- @param #table TargetObject Target object.
-- @return #TARGET self
function TARGET:New(TargetObject)
-- Inherit everything from INTEL class.
local self=BASE:Inherit(self, FSM:New()) --#TARGET
-- Increase counter.
_TARGETID=_TARGETID+1
-- Add object.
self:AddObject(TargetObject)
-- Get first target.
local Target=self.targets[1] --#TARGET.Object
if not Target then
self:E(self.lid.."ERROR: No valid TARGET!")
return nil
end
-- Target Name.
self.name=self:GetTargetName(Target)
-- Target category.
self.category=self:GetTargetCategory(Target)
-- Log ID.
self.lid=string.format("TARGET #%03d %s | ", _TARGETID, self.category)
-- Start state.
self:SetStartState("Stopped")
-- Add FSM transitions.
-- From State --> Event --> To State
self:AddTransition("Stopped", "Start", "Alive") -- Start FSM.
self:AddTransition("*", "Status", "*") -- Status update.
self:AddTransition("*", "Stop", "Stopped") -- Stop FSM.
self:AddTransition("*", "ObjectDamaged", "*") -- A Target was damaged.
self:AddTransition("*", "ObjectDestroyed", "*") -- A Target was destroyed.
self:AddTransition("*", "ObjectRemoved", "*") -- A Target was removed.
self:AddTransition("*", "Damaged", "*") -- Target was damaged.
self:AddTransition("*", "Destroyed", "Dead") -- Target was completely destroyed.
------------------------
--- Pseudo Functions ---
------------------------
--- Triggers the FSM event "Start". Starts the TARGET. Initializes parameters and starts event handlers.
-- @function [parent=#TARGET] Start
-- @param #TARGET self
--- Triggers the FSM event "Start" after a delay. Starts the TARGET. Initializes parameters and starts event handlers.
-- @function [parent=#TARGET] __Start
-- @param #TARGET self
-- @param #number delay Delay in seconds.
--- Triggers the FSM event "Stop". Stops the TARGET and all its event handlers.
-- @param #TARGET self
--- Triggers the FSM event "Stop" after a delay. Stops the TARGET and all its event handlers.
-- @function [parent=#TARGET] __Stop
-- @param #TARGET self
-- @param #number delay Delay in seconds.
--- Triggers the FSM event "Status".
-- @function [parent=#TARGET] Status
-- @param #TARGET self
--- Triggers the FSM event "Status" after a delay.
-- @function [parent=#TARGET] __Status
-- @param #TARGET self
-- @param #number delay Delay in seconds.
-- Start.
self:__Start(-1)
return self
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- User functions
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Create target data from a given object.
-- @param #TARGET self
-- @param Wrapper.Positionable#POSITIONABLE Object The target GROUP, UNIT, STATIC, AIRBASE or COORDINATE.
function TARGET:AddObject(Object)
if Object:IsInstanceOf("SET_GROUP") or Object:IsInstanceOf("SET_UNIT") then
---
-- Sets
---
local set=Object --Core.Set#SET_GROUP
for _,object in pairs(set.Set) do
self:AddObject(object)
end
else
---
-- Groups, Units, Statics, Airbases, Coordinates
---
self:_AddObject(Object)
end
end
--- Check if TARGET is alive.
-- @param #TARGET self
-- @param #boolean If true, target is alive.
function TARGET:IsAlive()
return self:Is("Alive")
end
--- Check if TARGET is dead.
-- @param #TARGET self
-- @param #boolean If true, target is dead.
function TARGET:IsDead()
return self:Is("Dead")
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Start & Status
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- On after Start event. Starts the FLIGHTGROUP FSM and event handlers.
-- @param #TARGET self
-- @param Wrapper.Group#GROUP Group Flight group.
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function TARGET:onafterStart(From, Event, To)
-- Short info.
local text=string.format("Starting Target")
self:T(self.lid..text)
self:HandleEvent(EVENTS.Dead, self.OnEventUnitDeadOrLost)
self:HandleEvent(EVENTS.UnitLost, self.OnEventUnitDeadOrLost)
self:HandleEvent(EVENTS.RemoveUnit, self.OnEventRemoveUnit)
self:__Status(-1)
end
--- On after "Status" event.
-- @param #TARGET self
-- @param Wrapper.Group#GROUP Group Flight group.
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function TARGET:onafterStatus(From, Event, To)
-- FSM state.
local fsmstate=self:GetState()
-- Update damage.
local damaged=false
for i,_target in pairs(self.targets) do
local target=_target --#TARGET.Object
local life=target.Life
target.Life=self:GetTargetLife(target)
if target.Life<life then
self:ObjectDamaged(target)
damaged=true
end
end
-- Target was damaged.
if damaged then
self:Damaged()
end
-- Log output verbose=1.
if self.verbose>=0 then
local text=string.format("%s: Targets=%d/%d Life=%.1f/%.1f Damage=%.1f", fsmstate, self:CountTargets(), self.Ntargets0, self:GetLife(), self:GetLife0(), self:GetDamage())
if damaged then
text=text.." Damaged!"
end
self:I(self.lid..text)
end
-- Log output verbose=2.
if self.verbose>=0 then
local text="Target:"
for i,_target in pairs(self.targets) do
local target=_target --#TARGET.Object
local damage=(1-target.Life/target.Life0)*100
text=text..string.format("\n[%d] %s %s %s: Life=%.1f/%.1f, Damage=%.1f", i, target.Type, target.Name, target.Status, target.Life, target.Life0, damage)
end
self:I(self.lid..text)
end
-- Update status again in 30 sec.
self:__Status(-30)
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- FSM Events
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- On after "ObjectDamaged" event.
-- @param #TARGET self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
-- @param #TARGET.Object Target Target object.
function TARGET:onafterObjectDamaged(From, Event, To, Target)
self:T(self.lid..string.format("Object %s damaged", Target.Name))
end
--- On after "ObjectDestroyed" event.
-- @param #TARGET self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
-- @param #TARGET.Object Target Target object.
function TARGET:onafterObjectDestroyed(From, Event, To, Target)
-- Debug message.
self:I(self.lid..string.format("Object %s destroyed", Target.Name))
-- Set target status.
Target.Status=TARGET.ObjectStatus.DEAD
-- Check if anyone is alive?
local dead=true
for _,_target in pairs(self.targets) do
local target=_target --#TARGET.Object
if target.Status==TARGET.ObjectStatus.ALIVE then
dead=false
end
end
-- All dead ==> Trigger destroyed event.
if dead then
self:Destroyed()
end
end
--- On after "Damaged" event.
-- @param #TARGET self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function TARGET:onafterDamaged(From, Event, To)
self:T(self.lid..string.format("Target damaged"))
end
--- On after "Destroyed" event.
-- @param #TARGET self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function TARGET:onafterDestroyed(From, Event, To)
self:I(self.lid..string.format("Target destroyed"))
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Event Functions
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Event function handling the loss of a unit.
-- @param #TARGET self
-- @param Core.Event#EVENTDATA EventData Event data.
function TARGET:OnEventUnitDeadOrLost(EventData)
-- Check that this is the right group.
if EventData and EventData.IniUnitName then
-- Debug info.
self:I(self.lid..string.format("EVENT: Unit %s dead or lost!", EventData.IniUnitName))
-- Get target.
local target=self:GetTargetByName(EventData.IniUnitName)
if not target then
target=self:GetTargetByName(EventData.IniGroupName)
end
-- Check if this is one of ours.
if target and target.Status==TARGET.ObjectStatus.ALIVE then
-- Debug message.
self:I(self.lid..string.format("EVENT: target unit %s dead or lost ==> destroyed", target.Name))
-- Trigger object destroyed event.
self:ObjectDestroyed(target)
end
end
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Adding and Removing Targets
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Create target data from a given object.
-- @param #TARGET self
-- @param Wrapper.Positionable#POSITIONABLE Object The target GROUP, UNIT, STATIC, AIRBASE or COORDINATE.
function TARGET:_AddObject(Object)
local target={} --#TARGET.Object
if Object:IsInstanceOf("GROUP") then
local group=Object --Wrapper.Group#GROUP
target.Type=TARGET.ObjectType.GROUP
target.Name=group:GetName()
target.Coordinate=group:GetCoordinate()
local units=group:GetUnits()
target.Life=0 ; target.Life0=0
for _,_unit in pairs(units or {}) do
local unit=_unit --Wrapper.Unit#UNIT
local life=unit:GetLife()
target.Life=target.Life+life
target.Life0=target.Life0+math.max(unit:GetLife0(), life) -- There was an issue with ships that life is greater life0, which cannot be!
self.threatlevel0=self.threatlevel0+unit:GetThreatLevel()
self.Ntargets0=self.Ntargets0+1
end
elseif Object:IsInstanceOf("UNIT") then
local unit=Object --Wrapper.Unit#UNIT
target.Type=TARGET.ObjectType.UNIT
target.Name=unit:GetName()
target.Coordinate=unit:GetCoordinate()
if unit and unit:IsAlive() then
target.Life=unit:GetLife()
target.Life0=math.max(unit:GetLife0(), target.Life) -- There was an issue with ships that life is greater life0!
self.threatlevel0=self.threatlevel0+unit:GetThreatLevel()
self.Ntargets0=self.Ntargets0+1
end
elseif Object:IsInstanceOf("STATIC") then
local static=Object --Wrapper.Static#STATIC
target.Type=TARGET.ObjectType.STATIC
target.Name=static:GetName()
target.Coordinate=static:GetCoordinate()
if static and static:IsAlive() then
target.Life0=1
target.Life=1
self.Ntargets0=self.Ntargets0+1
end
elseif Object:IsInstanceOf("SCENERY") then
local scenery=Object --Wrapper.Scenery#SCENERY
target.Type=TARGET.ObjectType.SCENERY
target.Name=scenery:GetName()
target.Coordinate=scenery:GetCoordinate()
target.Life0=1
target.Life=1
self.Ntargets0=self.Ntargets0+1
elseif Object:IsInstanceOf("AIRBASE") then
local airbase=Object --Wrapper.Airbase#AIRBASE
target.Type=TARGET.ObjectType.AIRBASE
target.Name=airbase:GetName()
target.Coordinate=airbase:GetCoordinate()
target.Life0=1
target.Life=1
self.Ntargets0=self.Ntargets0+1
elseif Object:IsInstanceOf("COORDINATE") then
local coord=UTILS.DeepCopy(Object) --Core.Point#COORDINATE
target.Type=TARGET.ObjectType.COORDINATE
target.Name=coord:ToStringMGRS()
target.Coordinate=coord
target.Life0=1
target.Life=1
elseif Object:IsInstanceOf("ZONE_BASE") then
local zone=Object --Core.Zone#ZONE_BASE
Object=zone:GetCoordinate()
target.Type=TARGET.ObjectType.COORDINATE
target.Name=zone:GetName()
target.Coordinate=Object
target.Life0=1
target.Life=1
else
self:E(self.lid.."ERROR: Unknown object type!")
return nil
end
self.life=self.life+target.Life
self.life0=self.life0+target.Life0
-- Increase counter.
self.targetcounter=self.targetcounter+1
target.ID=self.targetcounter
target.Status=TARGET.ObjectStatus.ALIVE
target.Object=Object
table.insert(self.targets, target)
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Life and Damage Functions
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Get target life points.
-- @param #TARGET self
-- @return #number Number of initial life points when mission was planned.
function TARGET:GetLife0()
return self.life0
end
--- Get current damage.
-- @param #TARGET self
-- @return #number Damage in percent.
function TARGET:GetDamage()
local life=self:GetLife()/self:GetLife0()
local damage=1-life
return damage*100
end
--- Get target life points.
-- @param #TARGET self
-- @param #TARGET.Object Target Target object.
-- @return #number Life points of target.
function TARGET:GetTargetLife(Target)
if Target.Type==TARGET.ObjectType.GROUP then
if Target.Object and Target.Object:IsAlive() then
local units=Target.Object:GetUnits()
local life=0
for _,_unit in pairs(units or {}) do
local unit=_unit --Wrapper.Unit#UNIT
life=life+unit:GetLife()
end
return life
else
return 0
end
elseif Target.Type==TARGET.ObjectType.UNIT then
local unit=Target.Object --Wrapper.Unit#UNIT
if unit and unit:IsAlive() then
-- Note! According to the profiler, there is a big difference if we "return unit:GetLife()" or "local life=unit:GetLife(); return life"!
local life=unit:GetLife()
return life
else
return 0
end
elseif Target.Type==TARGET.ObjectType.STATIC then
if Target.Object and Target.Object:IsAlive() then
return 1
else
return 0
end
elseif Target.Type==TARGET.ObjectType.SCENERY then
if Target.Status==TARGET.ObjectStatus.ALIVE then
return 1
else
return 0
end
elseif Target.Type==TARGET.ObjectType.AIRBASE then
if Target.Status==TARGET.ObjectStatus.ALIVE then
return 1
else
return 0
end
elseif Target.Type==TARGET.ObjectType.COORDINATE then
return 1
end
end
--- Get current life points.
-- @param #TARGET self
-- @return #number Life points of target.
function TARGET:GetLife()
local N=0
for _,_target in pairs(self.targets) do
local Target=_target --#TARGET.Object
N=N+self:GetTargetLife(Target)
end
return N
end
--- Get target 3D position vector.
-- @param #TARGET self
-- @param #TARGET.Object Target Target object.
-- @return DCS#Vec3 Vector with x,y,z components
function TARGET:GetTargetVec3(Target)
if Target.Type==TARGET.ObjectType.GROUP then
local object=Target.Object --Wrapper.Group#GROUP
if object and object:IsAlive() then
return object:GetVec3()
else
return nil
end
elseif Target.Type==TARGET.ObjectType.UNIT then
local object=Target.Object --Wrapper.Unit#UNIT
if object and object:IsAlive() then
return object:GetVec3()
end
elseif Target.Type==TARGET.ObjectType.STATIC then
local object=Target.Object --Wrapper.Static#STATIC
if object and object:IsAlive() then
return object:GetVec3()
end
elseif Target.Type==TARGET.ObjectType.SCENERY then
local object=Target.Object --Wrapper.Scenery#SCENERY
if object then
return object:GetVec3()
end
elseif Target.Type==TARGET.ObjectType.AIRBASE then
local object=Target.Object --Wrapper.Airbase#AIRBASE
return object:GetVec3()
--if Target.Status==TARGET.ObjectStatus.ALIVE then
--end
elseif Target.Type==TARGET.ObjectType.COORDINATE then
local object=Target.Object --Core.Point#COORDINATE
return {x=object.x, y=object.y, z=object.z}
end
self:E(self.lid.."ERROR: Unknown TARGET type! Cannot get Vec3")
end
--- Get target coordinate.
-- @param #TARGET self
-- @param #TARGET.Object Target Target object.
-- @return Core.Point#COORDINATE Coordinate of the target.
function TARGET:GetTargetCoordinate(Target)
if Target.Type==TARGET.ObjectType.COORDINATE then
-- Coordinate is the object itself.
return Target.Object
else
-- Get updated position vector.
local vec3=self:GetTargetVec3(Target)
-- Update position. This saves us to create a new COORDINATE object each time.
if vec3 then
Target.Coordinate.x=vec3.x
Target.Coordinate.y=vec3.y
Target.Coordinate.z=vec3.z
end
return Target.Coordinate
end
return nil
end
--- Get target name.
-- @param #TARGET self
-- @param #TARGET.Object Target Target object.
-- @return #string Name of the target object.
function TARGET:GetTargetName(Target)
if Target.Type==TARGET.ObjectType.GROUP then
if Target.Object and Target.Object:IsAlive() then
return Target.Object:GetName()
end
elseif Target.Type==TARGET.ObjectType.UNIT then
if Target.Object and Target.Object:IsAlive() then
return Target.Object:GetName()
end
elseif Target.Type==TARGET.ObjectType.STATIC then
if Target.Object and Target.Object:IsAlive() then
return Target.Object:GetName()
end
elseif Target.Type==TARGET.ObjectType.AIRBASE then
if Target.Status==TARGET.ObjectStatus.ALIVE then
return Target.Object:GetName()
end
elseif Target.Type==TARGET.ObjectType.COORDINATE then
local coord=Target.Object --Core.Point#COORDINATE
return coord:ToStringMGRS()
end
return "Unknown"
end
--- Get name.
-- @param #TARGET self
-- @return #string Name of the target usually the first object.
function TARGET:GetName()
return self.name
end
--- Get coordinate.
-- @param #TARGET self
-- @return Core.Point#COORDINATE Coordinate of the target.
function TARGET:GetCoordinate()
for _,_target in pairs(self.targets) do
local Target=_target --#TARGET.Object
local coordinate=self:GetTargetCoordinate(Target)
if coordinate then
return coordinate
end
end
self:E(self.lid..string.format("ERROR: Cannot get coordinate of target %s", self.name))
return nil
end
--- Get target category.
-- @param #TARGET self
-- @param #TARGET.Object Target Target object.
-- @return #TARGET.Category Target category.
function TARGET:GetTargetCategory(Target)
local category=nil
if Target.Type==TARGET.ObjectType.GROUP then
if Target.Object and Target.Object:IsAlive()~=nil then
local group=Target.Object --Wrapper.Group#GROUP
local cat=group:GetCategory()
if cat==Group.Category.AIRPLANE or cat==Group.Category.HELICOPTER then
category=TARGET.Category.AIRCRAFT
elseif cat==Group.Category.GROUND or cat==Group.Category.TRAIN then
category=TARGET.Category.GROUND
elseif cat==Group.Category.SHIP then
category=TARGET.Category.NAVAL
end
end
elseif Target.Type==TARGET.ObjectType.UNIT then
if Target.Object and Target.Object:IsAlive() then
local unit=Target.Object --Wrapper.Unit#UNIT
local group=unit:GetGroup()
local cat=group:GetCategory()
if cat==Group.Category.AIRPLANE or cat==Group.Category.HELICOPTER then
category=TARGET.Category.AIRCRAFT
elseif cat==Group.Category.GROUND or cat==Group.Category.TRAIN then
category=TARGET.Category.GROUND
elseif cat==Group.Category.SHIP then
category=TARGET.Category.NAVAL
end
end
elseif Target.Type==TARGET.ObjectType.STATIC then
return TARGET.Category.GROUND
elseif Target.Type==TARGET.ObjectType.SCENERY then
return TARGET.Category.GROUND
elseif Target.Type==TARGET.ObjectType.AIRBASE then
return TARGET.Category.AIRBASE
elseif Target.Type==TARGET.ObjectType.COORDINATE then
return TARGET.Category.COORDINATE
end
return category
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-- Misc Functions
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--- Get a target object by its name.
-- @param #TARGET self
-- @param #string ObjectName Object name.
-- @return #TARGET.Object The target object table or nil.
function TARGET:GetTargetByName(ObjectName)
for _,_target in pairs(self.targets) do
local target=_target --#TARGET.Object
if ObjectName==target.Name then
return target
end
end
return nil
end
--- Get the first target objective alive.
-- @param #TARGET self
-- @return #TARGET.Object The target objective.
function TARGET:GetObjective()
for _,_target in pairs(self.targets) do
local target=_target --#TARGET.Object
if target.Status==TARGET.ObjectStatus.ALIVE then
return target
end
end
return nil
end
--- Get the first target object alive.
-- @param #TARGET self
-- @return Wrapper.Positionable#POSITIONABLE The target object or nil.
function TARGET:GetObject()
local target=self:GetObjective()
if target then
return target.Object
end
return nil
end
--- Count alive targets.
-- @param #TARGET self
-- @return #number Number of alive target objects.
function TARGET:CountTargets()
local N=0
for _,_target in pairs(self.targets) do
local Target=_target --#TARGET.Object
if Target.Type==TARGET.ObjectType.GROUP then
local target=Target.Object --Wrapper.Group#GROUP
local units=target:GetUnits()
for _,_unit in pairs(units or {}) do
local unit=_unit --Wrapper.Unit#UNIT
if unit and unit:IsAlive() and unit:GetLife()>1 then
N=N+1
end
end
elseif Target.Type==TARGET.ObjectType.UNIT then
local target=Target.Object --Wrapper.Unit#UNIT
if target and target:IsAlive() and target:GetLife()>1 then
N=N+1
end
elseif Target.Type==TARGET.ObjectType.STATIC then
local target=Target.Object --Wrapper.Static#STATIC
if target and target:IsAlive() then
N=N+1
end
elseif Target.Type==TARGET.ObjectType.SCENERY then
if Target.Status==TARGET.ObjectStatus.ALIVE then
N=N+1
end
elseif Target.Type==TARGET.ObjectType.AIRBASE then
if Target.Status==TARGET.ObjectStatus.ALIVE then
N=N+1
end
elseif Target.Type==TARGET.ObjectType.COORDINATE then
-- No target we can check!
else
self:E(self.lid.."ERROR: Unknown target type! Cannot count targets")
end
end
return N
end
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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