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ScenarioPlatoonAI.lua
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------------------------------------------------------------------------
-- File : /lua/ai/ScenarioPlatoonAI.lua
-- Author(s): Drew Staltman
-- Summary : Houses a number of AI threads that are used in operations
-- Copyright © 2005 Gas Powered Games, Inc. All rights reserved.
------------------------------------------------------------------------
local Utilities = import('/lua/utilities.lua')
local AIBuildStructures = import('/lua/ai/aibuildstructures.lua')
local ScenarioFramework = import('/lua/ScenarioFramework.lua')
local BuildingTemplates = import('/lua/BuildingTemplates.lua').BuildingTemplates
local ScenarioUtils = import('/lua/sim/ScenarioUtilities.lua')
--------------------------------------------------------
-- PlatoonAttackClosestUnit
-- Attacks Closest Unit the AI Brain knows about
-- function: PlatoonAttackClosestUnit = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------
function PlatoonAttackClosestUnit(platoon)
local aiBrain = platoon:GetBrain()
local target
while not target do
target = platoon:FindClosestUnit('Attack', 'Enemy', true, categories.ALLUNITS)
WaitSeconds(3)
end
platoon:Stop()
local cmd = platoon:AggressiveMoveToLocation(target:GetPosition())
while aiBrain:PlatoonExists(platoon) do
if target ~= nil then
if target.Dead or not platoon:IsCommandsActive(cmd) then
target = platoon:FindClosestUnit('Attack', 'Enemy', true, categories.ALLUNITS-categories.WALL)
if target and not target.Dead then
platoon:Stop()
cmd = platoon:AggressiveMoveToLocation(target:GetPosition())
end
end
else
target = platoon:FindClosestUnit('Attack', 'Enemy', true, categories.ALLUNITS)
end
WaitSeconds(17)
end
end
--------------------------------------------------------
-- function: BuildOnce = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------
function BuildOnce(platoon)
local aiBrain = platoon:GetBrain()
if aiBrain.HasPlatoonList then
aiBrain:PBMSetPriority(platoon, 0)
else
platoon.BuilderHandle:SetPriority(0)
end
end
--------------------------------------------------------
-- function: DefaultOSBasePatrol = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------
function DefaultOSBasePatrol(platoon)
local aiBrain = platoon:GetBrain()
local master = string.sub(platoon.PlatoonData.BuilderName, 11)
local chain = false
if platoon.PlatoonData.LocationType and Scenario.Chains[aiBrain.Name .. '_' .. platoon.PlatoonData.LocationType .. '_BasePatrolChain'] then
chain = aiBrain.Name .. '_' .. platoon.PlatoonData.LocationType .. '_BasePatrolChain'
elseif Scenario.Chains[master .. '_BasePatrolChain'] then
chain = master .. '_BasePatrolChain'
elseif Scenario.Chains[aiBrain.Name .. '_BasePatrolChain'] then
chain = aiBrain.Name .. '_BasePatrolChain'
end
if chain then
platoon.PlatoonData.PatrolChain = chain
PatrolThread(platoon)
end
end
-------------------------------------------------------------------------------
-- PlatoonAssignOrders
-- Assigns orders from the editor to a platoon
-- PlatoonData
-- OrderName - Name of the Order from the editor
-- Target - Handle to Unit used in orders that require a target (OPTIONAL)
-- function: PlatoonAssignOrders = AddFunction
-- parameter 0: string: platoon = "default_platoon"
-------------------------------------------------------------------------------
function PlatoonAssignOrders(platoon)
platoon:Stop()
local data = platoon.PlatoonData
if not data.OrderName then
error('*SCENARIO PLATOON AI ERROR: No OrderName given to PlatoonAssignOrders AI Function', 2)
return false
end
ScenarioUtils.AssignOrders(data.OrderName, platoon, data.Target)
end
-----------------------------------------------------------
-- PlatoonAttackHighestThreat
-- Attacks Location on the map with the highest threat
-- function: PlatoonAttackHighestThreat = AddFunction
-- parameter 0: string: platoon = "default_platoon"
-----------------------------------------------------------
function PlatoonAttackHighestThreat(platoon)
local patrol = false
local aiBrain = platoon:GetBrain()
local location, threat = aiBrain:GetHighestThreatPosition(1, true)
platoon:Stop()
local cmd = platoon:AggressiveMoveToLocation(location)
while aiBrain:PlatoonExists(platoon) do
if not platoon:IsCommandsActive(cmd) then
location, threat = aiBrain:GetHighestThreatPosition(1, true)
if threat > 0 then
platoon:Stop()
cmd = platoon:AggressiveMoveToLocation(location)
end
end
WaitSeconds(13)
end
end
-------------------------------------------------------------------
-- PlatoonAttackLocation
-- Attack moves to a specific location on the map
-- After reaching location will attack highest threat
-- PlatoonData
-- Location - (REQUIRED) location on the map to attack move to
-- function: PlatoonAttackLocation = AddFunction
-- parameter 0: string: platoon = "default_platoon"
-------------------------------------------------------------------
function PlatoonAttackLocation(platoon)
platoon:Stop()
local data = platoon.PlatoonData
if not data.Location then
error('*SCENARIO PLATOON AI ERROR: PlatoonAttackLocation requires a Location to operate', 2)
end
local location = data.Location
if type(location) == 'string' then
location = ScenarioUtils.MarkerToPosition(location)
end
local aiBrain = platoon:GetBrain()
local cmd = platoon:AggressiveMoveToLocation(location)
local threat = 0
while aiBrain:PlatoonExists(platoon) do
if not platoon:IsCommandsActive(cmd) then
location, threat = platoon:GetBrain():GetHighestThreatPosition(1, true)
platoon:Stop()
cmd = platoon:AggressiveMoveToLocation(location)
end
WaitSeconds(13)
end
end
----------------------------------------------------------------------------------------------
-- PlatoonAttackLocationList
-- Attack moves to a location chosen from a list
-- Location can be the highest threat or the lowest non-negative threat
-- After reaching location will attack next location from the list
-- PlatoonData -
-- LocationList - (REQUIRED) location on the map to attack move to
-- LocationChain - (REQUIRED) Chain on the map to attack move to
-- High - true will attack highest threats first, false lowest - defaults to false/lowest
-- function: PlatoonAttackLocationList = AddFunction doc = "Please work function docs."
-- parameter 0: string: platoon = "default_platoon"
----------------------------------------------------------------------------------------------
function PlatoonAttackLocationList(platoon)
platoon:Stop()
local location = nil
local aiBrain = platoon:GetBrain()
local data = platoon.PlatoonData
if not data.LocationList and not data.LocationChain then
error('*SCENARIO PLATOON AI ERROR: PlatoonAttackLocationList requires a LocationList or LocationChain in PlatoonData to operate', 2)
end
local positions = {}
if data.LocationChain then
positions = ScenarioUtils.ChainToPositions(data.LocationChain)
else
for _, v in data.LocationList do
if type(v) == 'string' then
table.insert(positions, ScenarioUtils.MarkerToPosition(v))
else
table.insert(positions, v)
end
end
end
if data.High then
location = PlatoonChooseHighest(platoon:GetBrain(), positions, 1)
else
location = PlatoonChooseLowestNonNegative(platoon:GetBrain(), positions, 1)
end
local cmd
if location then
cmd = platoon:AggressiveMoveToLocation(location)
end
while aiBrain:PlatoonExists(platoon) do
if not location or not platoon:IsCommandsActive(cmd) then
if data.High then
location = PlatoonChooseHighest(platoon:GetBrain(), positions, 1, location)
else
location = PlatoonChooseLowestNonNegative(platoon:GetBrain(), positions, 1, location)
end
if location then
platoon:Stop()
cmd = platoon:AggressiveMoveToLocation(location)
end
end
WaitSeconds(13)
end
end
------------------------------------------------------------------------------------------------
-- TransportPool
-- Moves unit to location if specified
-- Assigns units in platoon to TransportPool platoon for other platoons to use
-- PlatoonData -
-- TransportMoveLocation - Location to move transport to before assigning to transport pool
-- function: TransportPool = AddFunction
-- parameter 0: string: platoon = "default_platoon"
------------------------------------------------------------------------------------------------
function TransportPool(platoon)
local aiBrain = platoon:GetBrain()
local tPool = aiBrain:GetPlatoonUniquelyNamed('TransportPool')
local location = false
local data = platoon.PlatoonData
if platoon.PlatoonData then
if data.TransportMoveLocation then
if type(data.TransportMoveLocation) == 'string' then
location = ScenarioUtils.MarkerToPosition(data.TransportMoveLocation)
else
location = data.TransportMoveLocation
end
end
end
if not tPool then
tPool = aiBrain:MakePlatoon('None', 'None')
tPool:UniquelyNamePlatoon('TransportPool')
end
for _, unit in platoon:GetPlatoonUnits() do
aiBrain:AssignUnitsToPlatoon('TransportPool', {unit}, 'Scout', 'GrowthFormation')
if location then
IssueMove({unit}, location)
end
end
end
-------------------------------------------------------------------------------------------------------------------
-- LandAssaultWithTransports
-- Grabs a specific number of transports from the TransportPool platoon
-- Loads units onto transports
-- Sets a ready variable if required
-- Waits while another variable has not been set if needed
-- Flys to lowest threat in a list of locations and unloads land units
-- Transports return to a location and are re-added to transport pool
-- Attacks a list of locations starting with highest threat from a list
-- PlatoonData
-- ReadyVariable - ScenarioInfo.VarTable[ReadyVariable] Variable set when units are on transports
-- WaitVariable - ScenarioInfo.VarTable[WaitVariable] Variable checked before transports leave
-- LandingList - (REQUIRED or LandingChain) List of possible locations for transports to unload units
-- LandingChain - (REQUIRED or LandingList) Chain of possible landing locations
-- TransportReturn - Location for transports to return to (they will attack with land units if this isn't set)
-- AttackPoints - (REQUIRED or AttackChain or PatrolChain) List of locations to attack.
-- The platoon attacks the highest threat first
-- AttackChain - (REQUIRED or AttackPoints or PatrolChain) Marker Chain of postitions to attack
-- PatrolChain - (REQUIRED or AttackChain or AttackPoints) Chain of patrolling
-- RandomPatrol - Bool if you want the patrol things to be random rather than in order
-- function: LandAssaultWithTransports = AddFunction
-- parameter 0: string: platoon = "default_platoon"
-------------------------------------------------------------------------------------------------------------------
function LandAssaultWithTransports(platoon)
local aiBrain = platoon:GetBrain()
local data = platoon.PlatoonData
for varName, varData in data do
if not(varName == 'ReadyVariable' or varName == 'WaitVariable' or varName == 'LandingList' or
varName == 'LandingChain' or varName == 'TransportReturn' or varName == 'AttackPoints' or
varName == 'AttackChain' or varName == 'AMPlatoons' or varName == 'PlatoonName'
or varName == 'AMMasterPlatoon' or varName == 'UsePool' or varName == 'LocationType'
or varName == 'BuilderName' or varName == 'LockTimer' or varName == 'DiffLockTimerD1'
or varName == 'DiffLockTimerD2' or varName == 'DiffLockTimerD3' or varName == 'AssaultChains'
or varName == 'Ratio' or varName == 'LockTimer' or varName == 'MovePath' or varName == 'PatrolChain'
or varName == 'RandomPatrol') and varName ~= 'Categories' then
error('*SCENARIO PLATOON AI ERROR: LandAssaultWithTransports does not accept variable named-'..varName, 2)
end
end
if not data.AttackPoints and not data.AttackChain and not data.AssaultChains then
error('*SCENARIO PLATOON AI ERROR: LandAssaultWithTransports requires AttackPoints in PlatoonData to operate', 2)
elseif not data.LandingList and not data.LandingChain and not data.AssaultChains then
error('*SCENARIO PLATOON AI ERROR: LandAssaultWithTransports requires LandingList in PlatoonData to operate', 2)
end
local assaultAttackChain, assaultLandingChain
if data.AssaultChains then
local tempChains = {}
local tempNum = 0
for landingChain, attackChain in data.AssaultChains do
for num, pos in ScenarioUtils.ChainToPositions(attackChain) do
if aiBrain:GetThreatAtPosition(pos, 1, true) > 0 then
tempChains[landingChain] = attackChain
tempNum = tempNum + 1
break
end
end
end
local pickNum = Random(1, tempNum)
tempNum = 0
for landingChain, attackChain in tempChains do
tempNum = tempNum + 1
if tempNum == pickNum then
assaultAttackChain = attackChain
assaultLandingChain = landingChain
break
end
end
end
-- Make attack positions out of chain, markers, or marker names
local attackPositions = {}
if data.AttackChain then
attackPositions = ScenarioUtils.ChainToPositions(data.AttackChain)
elseif assaultAttackChain then
attackPositions = ScenarioUtils.ChainToPositions(assaultAttackChain)
else
for _, v in data.AttackPoints do
if type(v) == 'string' then
table.insert(attackPositions, ScenarioUtils.MarkerToPosition(v))
else
table.insert(attackPositions, v)
end
end
end
-- Make landing positions out of chain, markers, or marker names
local landingPositions = {}
if data.LandingChain then
landingPositions = ScenarioUtils.ChainToPositions(data.LandingChain)
elseif assaultLandingChain then
landingPositions = ScenarioUtils.ChainToPositions(assaultLandingChain)
else
for _, v in data.LandingList do
if type(v) == 'string' then
table.insert(landingPositions, ScenarioUtils.MarkerToPosition(v))
else
table.insert(landingPositions, v)
end
end
end
platoon:Stop()
-- Load transports
if not GetLoadTransports(platoon) then
return
end
if not ReadyWaitVariables(data) then
return
end
if data.MovePath and not MoveAlongRoute(platoon, ScenarioUtils.ChainToPositions(data.MovePath)) then
return
end
-- Find landing location and unload units at right spot
local landingLocation
if ScenarioInfo.Options.Difficulty and ScenarioInfo.Options.Difficulty == 3 then
landingLocation = PlatoonChooseRandomNonNegative(aiBrain, landingPositions, 1)
else
landingLocation = PlatoonChooseRandomNonNegative(aiBrain, landingPositions, 1)
end
cmd = platoon:UnloadAllAtLocation(landingLocation)
local attached = true
while attached do
attached = false
WaitSeconds(3)
if not aiBrain:PlatoonExists(platoon) then
return
end
for num, unit in platoon:GetPlatoonUnits() do
if not unit.Dead and not EntityCategoryContains(categories.TRANSPORTATION, unit) and unit:IsUnitState('Attached') then
attached = true
break
end
end
end
if data.PatrolChain then
if data.RandomPatrol then
ScenarioFramework.PlatoonPatrolRoute(platoon, GetRandomPatrolRoute(ScenarioUtils.ChainToPositions(data.PatrolChain)))
else
ScenarioFramework.PlatoonPatrolChain(platoon, data.PatrolChain)
end
else
-- Patrol attack route by creating attack route
local attackRoute = {}
attackRoute = PlatoonChooseHighestAttackRoute(aiBrain, attackPositions, 1)
-- Send transports back to base if desired
if platoon.PlatoonData.TransportReturn then
ReturnTransportsToPool(platoon, data)
end
for _, v in attackRoute do
platoon:Patrol(v)
end
end
for num, unit in platoon:GetPlatoonUnits() do
if EntityCategoryContains(categories.ENGINEER, unit) then
platoon:CaptureAI()
break
end
end
end
----------------------------------------------------------------
-- MoveToThread
-- Moves to a set of locations
-- PlatoonData
-- MoveToRoute - List of locations to move to
-- MoveChain - Chain of locations to move
-- UseTransports - boolean, if true, use transports to move
-- function: MoveToThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
----------------------------------------------------------------
function MoveToThread(platoon)
local data = platoon.PlatoonData
if data then
if data.MoveRoute or data.MoveChain then
local movePositions = {}
if data.MoveChain then
movePositions = ScenarioUtils.ChainToPositions(data.MoveChain)
else
for _, v in data.MoveRoute do
if type(v) == 'string' then
table.insert(movePositions, ScenarioUtils.MarkerToPosition(v))
else
table.insert(movePositions, v)
end
end
end
if data.UseTransports then
for _, v in movePositions do
platoon:MoveToLocation(v, data.UseTransports)
end
else
for _, v in movePositions do
platoon:MoveToLocation(v, false)
end
end
else
error('*SCENARIO PLATOON AI ERROR: MoveToRoute or MoveChain not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
--------------------------------------------------------
-- PatrolThread
-- Patrols a set of locations
-- PlatoonData
-- PatrolRoute - List of locations to patrol
-- PatrolChain - Chain of locations to patrol
-- function: PatrolThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------
function PatrolThread(platoon)
local data = platoon.PlatoonData
platoon:Stop()
if data then
if data.PatrolRoute or data.PatrolChain then
if data.PatrolChain then
ScenarioFramework.PlatoonPatrolRoute(platoon, ScenarioUtils.ChainToPositions(data.PatrolChain))
else
for _, v in data.PatrolRoute do
if type(v) == 'string' then
platoon:Patrol(ScenarioUtils.MarkerToPosition(v))
else
platoon:Patrol(v)
end
end
end
else
error('*SCENARIO PLATOON AI ERROR: PatrolRoute or PatrolChain not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
--------------------------------------------------------------------
-- RandomPatrolThread
-- Gives a platoon a random patrol path from a set of locations
-- PlatoonData
-- PatrolRoute - List of locations to patrol
-- PatrolChain - Chain of locations to patrol
-- function: RandomPatrolThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------------------
function RandomPatrolThread(platoon)
local data = platoon.PlatoonData
platoon:Stop()
if data then
if data.PatrolRoute or data.PatrolChain then
if data.PatrolChain then
ScenarioFramework.PlatoonPatrolRoute(platoon,
GetRandomPatrolRoute(ScenarioUtils.ChainToPositions(data.PatrolChain)))
else
local route = {}
for _, v in data.PatrolRoute do
if type(v) == 'string' then
table.insert(route, ScenarioUtils.MarkerToPosition(v))
else
table.insert(route, v)
end
end
ScenarioFramework.PlatoonPatrolRoute(platoon, GetRandomPatrolRoute(route))
end
else
error('*SCENARIO PLATOON AI ERROR: PatrolRoute or PatrolChain not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
--------------------------------------------------------------------
-- RandomDefensePatrolThread
-- Gives a platoon a random patrol path from a set of locations
-- PlatoonData
-- PatrolChain - Chain of locations to patrol
-- function: RandomDefensePatrolThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
--------------------------------------------------------------------
function RandomDefensePatrolThread(platoon)
local data = platoon.PlatoonData
platoon:Stop()
if data then
if data.PatrolChain then
for _, v in platoon:GetPlatoonUnits() do
ScenarioFramework.GroupPatrolRoute({v}, GetRandomPatrolRoute(ScenarioUtils.ChainToPositions(data.PatrolChain)))
end
else
error('*SCENARIO PLATOON AI ERROR: PatrolChain not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
------------------------------------------------------------------
-- PatrolChainPickerThread
-- Gives a platoon a random patrol chain from a set of chains
-- PlatoonData
-- PatrolChains - List of chains to choose from
-- function: PatrolChainPickerThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
------------------------------------------------------------------
function PatrolChainPickerThread(platoon)
local data = platoon.PlatoonData
platoon:Stop()
if data then
if data.PatrolChains then
local chain = Random(1, table.getn(data.PatrolChains))
ScenarioFramework.PlatoonPatrolRoute(platoon, ScenarioUtils.ChainToPositions(data.PatrolChains[chain]))
else
error('*SCENARIO PLATOON AI ERROR: PatrolChains not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
-------------------------------------------------------------------------
-- SplitPatrolThread
-- Gives random patrol chain from the list to each unit of a platoon
-- PlatoonData
-- PatrolChains - List of chains to choose from
-------------------------------------------------------------------------
function SplitPatrolThread(platoon)
local data = platoon.PlatoonData
platoon:Stop()
if data then
if data.PatrolChains then
local num = table.getn(data.PatrolChains)
for _, v in platoon:GetPlatoonUnits() do
local chain = Random(1, num)
ScenarioFramework.GroupPatrolChain({v}, data.PatrolChains[chain])
end
else
error('*SCENARIO PLATOON AI ERROR: PatrolChains not defined', 2)
end
else
error('*SCENARIO PLATOON AI ERROR: PlatoonData not defined', 2)
end
end
-------------------------------------------------------
-- function: EngineersBuildPlatoon = AddFunction
-- parameter 0: string platoon = "default_platoon"
-------------------------------------------------------
function EngineersBuildPlatoon(platoon)
local aiBrain = platoon:GetBrain()
local platoonUnits = platoon:GetPlatoonUnits()
local data = platoon.PlatoonData
local platoonName = data.PlatoonName
local eng = false
local engTable = {}
local buildingPlatoon = false
local buildingData
local unitBeingBuilt = false
local busy = false
local buildingTemplate = BuildingTemplates[aiBrain:GetFactionIndex()]
if not data.PlatoonsTable then
error('*SCENARIO PLATOON AI ERROR: EngineersBuildPlatoon requires PlatoonsTable', 2)
end
-- Find all engineers in platoon
for _, v in platoonUnits do
if EntityCategoryContains(categories.CONSTRUCTION, v) then
if not eng then
eng = v
else
table.insert(engTable, v)
end
end
end
if not eng then
error('*SCENARIO PLATOON AI ERROR: No Engineers found in platoon using EngineersBuildPlatoon', 2)
end
-- Wait for eng to stop moving
while eng:IsUnitState('Moving') do
WaitSeconds(3)
if not aiBrain:PlatoonExists(platoon) then
return
end
end
-- Have all engineers guard main engineer
if table.getn(engTable) > 0 then
if eng.Dead then -- Must check if a death occured since platoon was forked
for num, unit in engTable do
if not unit.Dead then
eng = table.remove(engTable, num)
if table.getn(engTable) > 0 then
IssueGuard(engTable, eng)
end
break
end
end
else
IssueGuard(engTable, eng)
end
end
if not aiBrain.EngBuiltPlatoonList then
aiBrain.EngBuiltPlatoonList = {}
end
while aiBrain:PlatoonExists(platoon) do
-- Set new primary eng
if eng.Dead then
return
end
if not buildingPlatoon then
for _, v in data.PlatoonsTable do
if not aiBrain.EngBuiltPlatoonList[v.PlatoonName] then
buildingPlatoon = v.PlatoonName
buildingData = v
break
else
local plat = aiBrain.EngBuiltPlatoonList[v.PlatoonName]
if not aiBrain:PlatoonExists(plat) then
buildingPlatoon = v.PlatoonName
buildingData = v
break
end
end
end
end
if not eng:IsUnitState('Patrolling') and (eng:IsUnitState('Reclaiming') or eng:IsUnitState('Building') or eng:IsUnitState('Upgrading') or eng:IsUnitState('Repairing')) then
busy = true
end
if not busy and buildingPlatoon then
local newPlatoonUnits = {}
local unitGroup = ScenarioUtils.FlattenTreeGroup(aiBrain.Name, buildingPlatoon)
local plat
for strName, tblData in unitGroup do
if eng and aiBrain:CanBuildStructureAt(tblData.type, tblData.Position) then
IssueStop({eng})
IssueClearCommands({eng})
local result = aiBrain:BuildStructure(eng, tblData.type, {tblData.Position[1], tblData.Position[3], 0}, false)
unitBeingBuilt = false
repeat
WaitSeconds(5)
if eng.Dead then
eng, engTable = AssistOtherEngineer(eng, engTable, unitBeingBuilt)
else
if not unitBeingBuilt then
unitBeingBuilt = eng.UnitBeingBuilt
if unitBeingBuilt then
table.insert(newPlatoonUnits, unitBeingBuilt)
end
end
end
until not eng or eng.Dead or eng:IsIdleState()
if not aiBrain.EngBuiltPlatoonList[buildingPlatoon] then
plat = aiBrain:MakePlatoon('', '')
aiBrain.EngBuiltPlatoonList[buildingPlatoon] = plat
plat.EngBuildName = buildingPlatoon
plat:AddDestroyCallback(function(aiBrain, plat)
aiBrain.EngBuiltPlatoonList[plat.EngBuildName] = false
end
)
end
aiBrain:AssignUnitsToPlatoon(aiBrain.EngBuiltPlatoonList[buildingPlatoon], {unitBeingBuilt}, 'Attack', 'NoFormation')
end
end
buildingPlatoon = false
if table.getn(plat:GetPlatoonUnits()) > 0 then
if buildingData.PlatoonData then
plat.PlatoonData = buildingData.PlatoonData
end
if plat.PlatoonData.AMPlatoons then
for _, v in plat.PlatoonData.AMPlatoons do
plat:SetPartOfAttackForce()
break
end
end
if buildingData.ScenPlatoonAI then
plat:ForkAIThread(import('/lua/ScenarioPlatoonAI.lua')[buildingData.ScenPlatoonAI])
elseif buildingData.PlatoonAI then
plat:ForkAIThread(import('/lua/platoon.lua')[buildingData.PlatoonAI])
elseif buildingData.LocalFunction and buildingData.ScenName then
plat:ForkAIThread(import('/maps/'..buildingData.ScenName..'/'..buildingData.ScenName..'_script.lua')[LocalFunction])
end
end
newPlatoonUnits = {}
-- Disband if desired
if aiBrain:PlatoonExists(platoon) and data.DisbandAfterBuilding then
aiBrain:DisbandPlatoon(platoon)
end
end
if not eng:IsUnitState('Patrolling') and data.PatrolChain then
for _, v in ScenarioUtils.ChainToPositions(data.PatrolChain) do
platoon:Patrol(v)
end
end
WaitSeconds(11)
end
end
function GetHumanEnemies(armyIndex)
humans = {}
for i, brain in ArmyBrains do
if brain.BrainType == 'Human' and IsEnemy(armyIndex, brain:GetArmyIndex()) then
table.insert(humans, brain)
end
end
return humans
end
----------------------------------------------------------------------------------------------
-- CategoryHunterPlatoonAI
-- Sends out units to hunt and attack Experimental Air units (Soul Ripper, Czar, etc)
-- It cheats to find the air units. This should *NOT* ever be used in skirmish.
-- This platoon only seeks out PLAYER experimentals. It will never find any other army's
-- PlatoonData -
-- CategoryList : The categories we are going to find and attack
-- function: CategoryHunterPlatoonAI = AddFunction
-- parameter 0: string: platoon = "default_platoon"
----------------------------------------------------------------------------------------------
function CategoryHunterPlatoonAI(platoon)
local aiBrain = platoon:GetBrain()
local platoonUnits = platoon:GetPlatoonUnits()
local data = platoon.PlatoonData
local target = false
while aiBrain:PlatoonExists(platoon) do
-- Find nearest enemy category to this platoon
-- Cheat to find the focus army's units
local newTarget = false
local platPos = platoon:GetPlatoonPosition()
local enemies = table.shuffle(GetHumanEnemies(aiBrain:GetArmyIndex()))
for i, enemy in enemies do
for catNum, category in platoon.PlatoonData.CategoryList do
local unitList = enemy:GetListOfUnits(category, false, false)
if table.getn(unitList) > 0 then
local distance = 100000
for _, v in unitList do
if not v.Dead then
local currDist = VDist3(platPos, v:GetPosition())
if currDist < distance then
newTarget = v
distance = currDist
end
end
end
-- If the target has changed, attack new target
if newTarget ~= target then
platoon:Stop()
platoon:AttackTarget(newTarget)
end
end
if newTarget then
break
end
end
end
-- If there are no targets, seek out and fight nearest enemy the platoon can find; no cheeting here
if not newTarget then
target = platoon:FindClosestUnit('Attack', 'Enemy', true, categories.ALLUNITS-categories.WALL)
if target and not target.Dead then
platoon:Stop()
platoon:AggressiveMoveToLocation(target:GetPosition())
-- If we still cant find a target, go to the highest threat position on the map
else
platoon:Stop()
platoon:AggressiveMoveToLocation(aiBrain:GetHighestThreatPosition(1, true))
end
end
WaitSeconds(Random(73, 181) * .1)
end
end
-------------------------------------------------------------------------------------------------------------------------
-- StartBaseEngineerThread
-- Upgrades engineer to desired tech level
-- Moves an engineer to a location with either transports or using a transport beacon
-- Builds specific buildings found in PlatoonData.Construction
-- Can maintain a base found in PlatoonData
-- Can patrol a route either while maintaining a base or just prior to disbanding back into the PoolPlatoon
-- PlatoonData -
-- ReadyVariable - ScenarioInfo.VarTable[ReadyVariable] Variable set when units are on transports
-- WaitVariable - ScenarioInfo.VarTable[WaitVariable] Variable checked before transports leave
-- LandingLocation - Location for transports to drop engineers
-- MoveBeacon - TransportBeacon to use to move engineer to location
-- Construction - Table that holds data for a specific building order
-- - only the buildings specified in BuildStructures be built
-- -> BuildingTemplate - building template found in BaseTemplates.lua
-- (only required if trying to build different factions buildings)
-- -> BaseTemplate - Name of base template to use. This template is generated from bases made in the editor
-- -> BuildClose - Bool if you want to have unit pick closest of next building to build
-- -> BuildStructures - List of buildings to build in order, ex:T1AirFactory, T2ShieldDefense, etc
-- BuildBaseTemplate - BaseTemplate of the base to build once
-- MaintainBaseTemplate - BaseTemplate of base to build any non-existing buildings for.
-- AssistFactories - Bool; will assist factories in a Location Type when set true; break off and rebuild if maintain
-- LocationType - PBM Location Type to have the engineers assist build factories in
-- BuildingTemplate - building template found in BaseTemplates.lua
-- (only required if trying to build different factions buildings)
-- PatrolRoute - Route of locations to patrol while maintaining or after platoon disbanded
-- PatrolChain - Chain of locations to patrol while maintaining or after platoon disbanded
-- TransportRoute - List of locations for the transport to use to get to the location
-- TransportChain - Chain of locations for the transport to use to get to landing location
-- DisbandAfterPatrol - bool, if true, platoon will disband if its not maintaining a base and given a patrol order
-- RandomPatrol - bool, if true, platoon will sort PatrolRoute randomly
-- UseTransports - bool, if true, platoons will use transports to move
-- NamedUnitBuild - table of unit names; platoon will build these specific units and only build them once
-- GroupBuildOnce - name of a group to build each thing in the group only once
-- Order of events:
-- Grab transports, set ready variable, wait for wait variable, travel using transports,
-- travel using beacon, build structures in Construction block, build base using BuildBaseTemplate,
-- the platoon will assist factories if assigned to do so, they will break off and rebuild if Maintain is set,
-- maintain a base using MaintainBaseTemplate (will patrol here if PatrolRoute given),
-- patrol using PatrolRoute, platoon can disband if given a patrol and is not maintaining a base
-- function: StartBaseEngineerThread = AddFunction
-- parameter 0: string: platoon = "default_platoon"
-------------------------------------------------------------------------------------------------------------------------
function StartBaseEngineerThread(platoon)
local aiBrain = platoon:GetBrain()
local platoonUnits = platoon:GetPlatoonUnits()
local data = platoon.PlatoonData
local baseName
-- Check for bad variables
for varName, varData in data do
if not(varName == 'ReadyVariable' or varName == 'WaitVariable' or varName == 'LandingLocation' or
varName == 'MoveBeacon' or varName == 'Construction' or varName == 'BuildBaseTemplate' or
varName == 'MaintainBaseTemplate' or varName == 'BuildingTemplate' or varName == 'PatrolRoute' or
varName == 'PatrolChain' or varName == 'TransportRoute' or varName == 'TransportChain' or
varName == 'DisbandAfterPatrol' or varName == 'RandomPatrol' or varName == 'UseTransports' or
varName == 'LocationType' or varName == 'AssistFactories' or varName == 'Busy' or
varName == 'ReassignAssist' or varName == 'FactoryAssistList' or varName == 'BuilderName' or
varName == 'NamedUnitBuild' or varName == 'LocationType' or varName == 'MaintainDiffLevel'
or varName == 'LockTimer' or varName == 'DiffLockTimerD1' or varName == 'DiffLockTimerD2'
or varName == 'DiffLockTimerD3' or varName == 'GroupBuildOnce' or varName == 'NamedUnitFinishedCallback'
or varName == 'NamedUnitBuildReportCallback') then
error('*SCENARIO PLATOON AI ERROR: StartBaseEngineerThread does not accept variable named-'..varName, 2)
end
end
-- Check Construction table for bad variables
if data.Construction then
for varName, varData in data.Construction do
if not(varName == 'BuildingTemplate' or varName == 'BaseTemplate' or varName == 'BuildClose' or
varName == 'BuildStructures') then
error('*SCENARIO PLATOON AI ERROR: StartBaseEngineerThread does not accept Construction Table variable named-'..varName, 2)
end
end
end
-- Set BaseTemplats in brain if not existing already
if data then
baseName = data.MaintainBaseTemplate
if baseName then
if not aiBrain.BaseTemplates[baseName] then
AIBuildStructures.CreateBuildingTemplate(aiBrain, aiBrain.Name, baseName)
end
end
if data.BuildBaseTemplate then
if not aiBrain.BaseTemplates[data.BuildBaseTemplate] then
AIBuildStructures.CreateBuildingTemplate(aiBrain, aiBrain.Name, data.BuildBaseTemplate)
end
end
if data.Construction then
if data.Construction.BaseTemplate then
if not aiBrain.BaseTemplates[data.Construction.BaseTemplate] then
AIBuildStructures.CreateBuildingTemplate(aiBrain, aiBrain.Name, data.Construction.BaseTemplate)
end
end
end
end
local eng = false
local engTable = {}
local cmd
local unitBeingBuilt
-- Find all engineers in platoon
for _, v in platoonUnits do
if EntityCategoryContains(categories.CONSTRUCTION, v) then
if not eng then
eng = v
else
table.insert(engTable, v)
end
end
end
if not eng then
error('*SCENARIO PLATOON AI ERROR: No Engineers found in platoon using StartBaseEngineer', 2)
end
-- Wait for eng to stop moving
while not eng.Dead and eng:IsUnitState('Moving') do
WaitSeconds(3)
if not aiBrain:PlatoonExists(platoon) then
return
end
end
platoon:Stop()
-- If platoon needs transports get em
if data.UseTransports then
if not GetLoadTransports(platoon) then
return
end
end
-- Set Ready and hold for Wait variable
if not ReadyWaitVariables(data) then
return
end
-- Move and unload units
if not StartBaseTransports(platoon, data, aiBrain) then
return
end
-- Have all engineers guard main engineer
if table.getn(engTable) > 0 then
if eng.Dead then -- Must check if a death occured since platoon was forked
for num, unit in engTable do
if not unit.Dead then
eng = table.remove(engTable, num)
if table.getn(engTable) > 0 then
IssueGuard(engTable, eng)
end
break
end
end
else
IssueGuard(engTable, eng)
end
end
-- Construction Block building
if not StartBaseConstruction(eng, engTable, data, aiBrain) then
return