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The ai_helper functions are optimized for speed (as much as possible in a general setting) and do all the necessary tests. For example, get_units_with_attacks() checks both whether the unit has attacks left, and whether it has any attacks in the first place. (cherry-picked from commit 75843541bcf92e743b911ef49046c54a050e8a0f)
44 lines
1.5 KiB
Lua
44 lines
1.5 KiB
Lua
------- Retreat CA --------------
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local AH = wesnoth.require "ai/lua/ai_helper.lua"
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local R = wesnoth.require "ai/lua/retreat.lua"
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local retreat_unit, retreat_loc
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local ca_retreat_injured = {}
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function ca_retreat_injured:evaluation(cfg, data)
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local start_time, ca_name = wesnoth.get_time_stamp() / 1000., 'retreat_injured'
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if AH.print_eval() then AH.print_ts(' - Evaluating retreat_injured CA:') end
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local units = AH.get_units_with_moves { side = wesnoth.current.side }
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local unit, loc = R.retreat_injured_units(units)
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if unit then
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retreat_unit = unit
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retreat_loc = loc
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-- First check if attacks are possible for any unit
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-- If one with > 50% chance of kill is possible, set return_value to lower than combat CA
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local attacks = ai.get_attacks()
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for i,a in ipairs(attacks) do
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if (#a.movements == 1) and (a.chance_to_kill > 0.5) then
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if AH.print_eval() then AH.done_eval_messages(start_time, ca_name) end
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return 95000
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end
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end
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if AH.print_eval() then AH.done_eval_messages(start_time, ca_name) end
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return 192000
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end
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if AH.print_eval() then AH.done_eval_messages(start_time, ca_name) end
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return 0
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end
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function ca_retreat_injured:execution(cfg, data)
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if AH.print_exec() then AH.print_ts(' Executing retreat_injured CA') end
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AH.robust_move_and_attack(ai, retreat_unit, retreat_loc)
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retreat_unit = nil
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retreat_loc = nil
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end
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return ca_retreat_injured
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