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--[[
-- Nongeneric Think functions for determining who to attack are found here
-- attack.lua contains bindings to these functions by ship class
--]]
--[[
-- Mainly targets in biggest-to-smallest priority.
--]]
function atk_topdown_think ()
local enemy_cat1 = ai.getenemy_size(2500, 10000)
local enemy_cat2 = ai.getenemy_size(1000, 2500)
local enemy_cat3 = ai.getenemy_size(600, 1000)
local enemy_cat4 = ai.getenemy_size(250, 600)
local nearest_enemy = ai.getenemy()
local dist = 0
local cat1dist = 0
local cat2dist = 0
local cat3dist = 0
local cat4dist = 0
if enemy_cat1 ~= nil then
cat1dist = ai.dist(enemy_cat1)
end
if enemy_cat2 ~= nil then
cat2dist = ai.dist(enemy_cat2)
end
if enemy_cat3 ~= nil then
cat3dist = ai.dist(enemy_cat3)
end
if enemy_cat4 ~= nil then
cat4dist = ai.dist(enemy_cat4)
end
if nearest_enemy ~= nil then
dist = ai.dist(nearest_enemy)
end
local target = ai.target()
-- Stop attacking if it doesn't exist
if not target:exists() then
ai.poptask()
return
end
local range = ai.getweaprange(3, 1)
local range2 = ai.getweaprange(3, 0)
if range2 > range then
range = range2
end
-- Get new target if it's closer
if enemy_cat1 ~= target and enemy_cat1 ~= nil then
-- Shouldn't switch targets if close
if cat1dist > range * mem.atk_changetarget then
ai.pushtask("attack", enemy_cat1 )
end
elseif enemy_cat2 ~= target and enemy_cat2 ~= nil then
-- Shouldn't switch targets if close
if cat2dist > range * mem.atk_changetarget then
ai.pushtask("attack", enemy_cat2 )
end
elseif enemy_cat3 ~= target and enemy_cat3 ~= nil then
-- Shouldn't switch targets if close
if cat3dist > range * mem.atk_changetarget then
ai.pushtask("attack", enemy_cat3 )
end
elseif enemy_cat4 ~= target and enemy_cat4 ~= nil then
-- Shouldn't switch targets if close
if cat4dist > range * mem.atk_changetarget then
ai.pushtask("attack", enemy_cat4 )
end
elseif nearest_enemy ~= target and nearest_enemy ~= nil then
-- Shouldn't switch targets if close
if dist > range * mem.atk_changetarget then
ai.pushtask("attack", nearest_enemy )
end
end
end
--[[
-- big game hunter attack pattern using heuristic target identification.
--]]
function atk_heuristic_big_game_think ()
local enemy = ai.getenemy_heuristic(0.9, 0.9, 0.9, 20000)
local nearest_enemy = ai.getenemy()
local target = ai.target()
-- Stop attacking if it doesn't exist
if not target:exists() then
ai.poptask()
return
end
local dist = ai.dist(target)
local range = ai.getweaprange(3, 0)
-- Get new target if it's closer
-- prioritize targets within the size limit
if enemy ~= target and enemy ~= nil then
-- Shouldn't switch targets if close
if dist > range * mem.atk_changetarget then
ai.pushtask("attack", enemy )
end
elseif nearest_enemy ~= target and nearest_enemy ~= nil then
-- Shouldn't switch targets if close
if dist > range * mem.atk_changetarget then
ai.pushtask("attack", nearest_enemy )
end
end
end
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