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AttackHandler = class(Module)
function AttackHandler:Name()
return "AttackHandler"
end
function AttackHandler:internalName()
return "attackhandler"
end
function AttackHandler:Init()
self.recruits = {}
self.counter = 8
end
function AttackHandler:Update()
-- stagger targetting if multiple shards are in the game
local f = game:Frame() + game:GetTeamID()
if math.mod(f,15) == 0 then
self:DoTargetting()
end
end
function AttackHandler:UnitDead(engineunit)
if engineunit:Team() == game:GetTeamID() then
self.counter = self.counter - 0.2
self.counter = math.max(self.counter,8)
-- try and clean up dead recruits where possible
for i,v in ipairs(self.recruits) do
if v.engineID == engineunit:ID() then
table.remove(self.recruits,i)
break
end
end
end
end
function AttackHandler:DoTargetting()
if #self.recruits > self.counter then
--[[ try and catch invalid recruits and remove them, then reevaluate
local nrecruits = {}
for i,v in ipairs(self.recruits) do
if v.unit ~= nil then
table.insert(nrecruits,v)
break
end
end
self.recruits = nrecruits
if #nrecruits > self.counter then
else
return
end]]--
-- find somewhere to attack
local cells = {}
local celllist = {}
local mapdimensions = game.map:MapDimensions()
--enemies = game:GetEnemies()
local enemies = game:GetEnemies()
if enemies and #enemies > 0 then
-- figure out where all the enemies are!
for i=1,#enemies do
local e = enemies[i]
if e ~= nil then
pos = e:GetPosition()
px = pos.x - math.fmod(pos.x,400)
pz = pos.z - math.fmod(pos.z,400)
px = px/400
pz = pz/400
if cells[px] == nil then
cells[px] = {}
end
if cells[px][pz] == nil then
local newcell = { count = 0, posx = 0,posz=0,}
cells[px][pz] = newcell
table.insert(celllist,newcell)
end
cell = cells[px][pz]
cell.count = cell.count + self:ScoreUnit(e)
-- we dont want to target the center of the cell encase its a ledge with nothing
-- on it etc so target this units position instead
cell.posx = pos.x
cell.posz = pos.z
-- @TODO: The unit chosen may not be the best unit to target, ideally pick the
-- one closest to the average location of all units in that grid
end
end
local bestCell = nil
-- now find the smallest nonvacant cell to go lynch!
for i=1,#celllist do
local cell = celllist[i]
if bestCell == nil then
bestCell = cell
else
if cell.count < bestCell.count then
bestCell = cell
end
end
end
-- if we have a cell then lets go attack it!
if bestCell ~= nil then
for i,recruit in ipairs(self.recruits) do
recruit:AttackCell(bestCell)
end
self.counter = self.counter + 0.2
self.counter = math.min(self.counter,20)
-- remove all our recruits!
self.recruits = {}
end
end
-- cleanup
cellist = nil
cells = nil
mapdimensions = nil
end
end
function AttackHandler:IsRecruit(attkbehaviour)
for i,v in ipairs(self.recruits) do
if v.engineID == attkbehaviour.engineID then
return true
end
end
return false
end
function AttackHandler:AddRecruit(attkbehaviour)
if attkbehaviour.unit == nil then
game:SendToConsole( "null unit in attack beh found ")
return
end
if not self:IsRecruit(attkbehaviour) then
table.insert(self.recruits,attkbehaviour)
end
end
function AttackHandler:RemoveRecruit(attkbehaviour)
for i,v in ipairs(self.recruits) do
if v.engineID == attkbehaviour.engineID then
table.remove(self.recruits,i)
return true
end
end
return false
end
-- How much is this unit worth?
--
-- Idea: add a table with hardcoded values,
-- and use said values if a units found in
-- that table to highlight strategic value
function AttackHandler:ScoreUnit(unit)
local value = 1
if unit:CanMove() then
if unit:CanBuild() then
value = value + 1
end
else
value = value + 1
if unit:CanBuild() then
value = value + 1
end
end
return value
end
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