mirror of
https://github.com/wesnoth/wesnoth
synced 2025-05-04 12:05:28 +00:00
76 lines
2.7 KiB
Lua
76 lines
2.7 KiB
Lua
local helper = wesnoth.require "helper"
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local location_set = wesnoth.require "location_set"
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local kill_recursion_preventer = location_set.create()
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function wesnoth.wml_actions.kill(cfg)
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local number_killed = 0
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local secondary_unit = helper.get_child(cfg, "secondary_unit")
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local killer_loc = {0, 0}
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if secondary_unit then
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secondary_unit = wesnoth.get_units(secondary_unit)[1]
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if cfg.fire_event then
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if secondary_unit then
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killer_loc = {secondary_unit.loc}
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else
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wesnoth.log("warn", "failed to match [secondary_unit] in [kill] with a single on-board unit")
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end
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end
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end
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local dead_men_walking = wesnoth.get_units(cfg)
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for i,unit in ipairs(dead_men_walking) do
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local death_loc = {x = tonumber(unit.x) or 0, y = tonumber(unit.y) or 0}
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if not secondary_unit then killer_loc = death_loc end
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local can_fire = false
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local recursion = (kill_recursion_preventer:get(death_loc.x, death_loc.y) or 0) + 1
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if cfg.fire_event then
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kill_recursion_preventer:insert(death_loc.x, death_loc.y, recursion)
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can_fire = true
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if death_loc.x == wesnoth.current.event.x1 and death_loc.y == wesnoth.current.event.y1 then
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if wesnoth.current.event.name == "die" or wesnoth.current.event.name == "last breath" then
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if recursion >= 10 then
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can_fire = false;
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wesnoth.log("error", "tried to fire 'die' or 'last breath' event on unit from the unit's 'die' or 'last breath' event with first_time_only=no!")
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end
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end
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end
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end
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if can_fire then
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wesnoth.fire_event("last breath", death_loc, killer_loc)
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end
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if cfg.animate then
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wesnoth.scroll_to_tile(death_loc)
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local anim = wesnoth.create_animator()
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local primary = helper.get_child(cfg, "primary_attack")
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local secondary = helper.get_child(cfg, "secondary_attack")
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if primary then primary = wesnoth.create_weapon(primary) end
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if secondary then secondary = wesnoth.create_weapon(secondary) end
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anim:add(unit, "death", "kill", "hits", {primary = primary, secondary = secondary})
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if secondary_unit then
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anim:add(secondary_unit, "victory", "kill", "hits", {primary = primary, secondary = secondary})
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end
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anim:run()
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end
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wesnoth.wml_actions.redraw{}
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if can_fire then
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wesnoth.fire_event("die", death_loc, killer_loc)
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end
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if cfg.fire_event then
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if recursion <= 1 then
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kill_recursion_preventer:remove(death_loc.x, death_loc.y)
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else
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kill_recursion_preventer:insert(death_loc.x, death_loc.y, recursion)
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end
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end
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-- Test that it's valid (and still on the map) first, in case the event erased (or extracted) it.
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if unit.valid == "map" then unit:erase() end
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number_killed = number_killed + 1
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end
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-- TODO: Do I need to check recall lists or was that covered by the above loop?
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return number_killed
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end
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