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Fast Micro AI: make code robust against events removing units

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The previous version caused errors under some circumstances when an
event removed units other than the attacker during or immediately after
an AI attack.
This commit is contained in:
mattsc 2018-02-11 08:02:14 -08:00
parent e22c812efe
commit 85b46f34b0
1 changed files with 3 additions and 3 deletions
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6
data/ai/micro_ais/cas/ca_fast_combat.lua
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@ -79,10 +79,10 @@ function ca_fast_combat:evaluation(cfg, data)
for i = #data.fast_combat_units,1,-1 do
local unit = data.fast_combat_units[i]
local unit_info = FAU.get_unit_info(unit, data.gamedata)
local unit_copy = FAU.get_unit_copy(unit.id, data.gamedata)
if (unit.attacks_left > 0) and (#unit.attacks > 0) then
if unit and unit.valid and (unit.attacks_left > 0) and (#unit.attacks > 0) then
local unit_info = FAU.get_unit_info(unit, data.gamedata)
local unit_copy = FAU.get_unit_copy(unit.id, data.gamedata)
local attacks = AH.get_attacks({ unit }, { include_occupied = cfg.include_occupied_attack_hexes, viewing_side = viewing_side })
if (#attacks > 0) then