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ExpAI: make sure injured regenerating units are not stranded if ...

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... no non-regenerating units can get to safe locations.
This commit is contained in:
mattsc 2013-11-01 08:32:18 -07:00
parent 04d8e2127c
commit 456f60a9ee
1 changed files with 18 additions and 8 deletions
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26
data/ai/lua/retreat.lua
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@ -44,21 +44,31 @@ function retreat_functions.retreat_injured_units(units)
end
end
-- First we retreat non-regenerating units to healing terrain
-- First we retreat non-regenerating units to healing terrain, if they can get to a safe location
local unit_nr, loc_nr, threat_nr
if non_regen[1] then
local unit, loc = retreat_functions.get_retreat_injured_units(non_regen, true)
if unit then
return unit, loc
unit_nr, loc_nr, threat_nr = retreat_functions.get_retreat_injured_units(non_regen, false)
if unit_nr and (threat_nr == 0) then
return unit_nr, loc_nr, threat_nr
end
end
-- Then we retreat regenerating units to terrain with high defense
-- Then we retreat regenerating units to terrain with high defense, if they can get to a safe location
local unit_r, loc_r, threat_r
if regen[1] then
local unit, loc = retreat_functions.get_retreat_injured_units(regen, false)
if unit then
return unit, loc
unit_r, loc_r, threat_r = retreat_functions.get_retreat_injured_units(regen, true)
if unit_r and (threat_r == 0) then
return unit_r, loc_r, threat_r
end
end
-- The we retreat those that cannot get to a safe location (non-regenerating units first again)
if unit_nr then
return unit_nr, loc_nr, threat_nr
end
if unit_r then
return unit_r, loc_r, threat_r
end
end
function retreat_functions.get_retreat_injured_units(healees, healing_terrain_only)