mirror of
https://github.com/wesnoth/wesnoth
synced 2025-04-29 01:05:08 +00:00
108 lines
3.3 KiB
Lua
108 lines
3.3 KiB
Lua
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local _ = wesnoth.textdomain 'wesnoth-help'
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local T = wml.tag
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local on_event = wesnoth.require("on_event")
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local u_pos_filter = function(u_id)
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local output = "initial"
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local hex_dirs = {"n", "ne", "se", "s", "sw", "nw"}
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local diversion_unit = wesnoth.units.get(u_id)
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if not diversion_unit then
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return nil
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end
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for i, dir in ipairs(hex_dirs) do
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if diversion_unit:matches {
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id = u_id,
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T.filter_adjacent {
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is_enemy = "yes",
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adjacent = dir,
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formula = "self.hitpoints > 0",
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T.filter_adjacent {
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is_enemy = "yes",
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adjacent = dir,
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formula = "self.hitpoints > 0"
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}
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}
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} then
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output = "diverter"
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break
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end
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end
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if output ~= "initial" then
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return output
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else
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-- either nothing passed filter, or there was an error
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return nil
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end
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end
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local status_anim_update = function(is_undo)
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local ec = wesnoth.current.event_context
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local changed_something = false
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if not ec.x1 or not ec.y1 then
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return
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end
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-- find all units on map with ability = diversion but not status.diversion = true
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local div_candidates = wesnoth.units.find_on_map({
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ability = "diversion",
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{"not", { status = "diversion" }}
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})
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-- for those that pass the filter now, change status and fire animation
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for index, ec_unit in ipairs(div_candidates) do
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local filter_result = u_pos_filter(ec_unit.id)
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if filter_result then
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changed_something = true
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ec_unit.status.diversion = true
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ec_unit:extract()
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ec_unit:to_map()
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wesnoth.wml_actions.animate_unit {
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flag = "launching",
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with_bars = true,
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T.filter { id = ec_unit.id }
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}
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end
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end
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-- find all units on map with ability = diversion and status.diversion = true
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local stop_candidates = wesnoth.units.find_on_map({
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ability = "diversion",
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status = "diversion"
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})
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-- for those that fail the filter now, change status and fire animation
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for index, ec_unit in ipairs(stop_candidates) do
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local filter_result = u_pos_filter(ec_unit.id)
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if not filter_result then
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changed_something = true
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ec_unit.status.diversion = false
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ec_unit:extract()
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ec_unit:to_map()
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wesnoth.wml_actions.animate_unit {
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flag = "landing",
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with_bars = true,
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T.filter { id = ec_unit.id }
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}
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end
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end
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if changed_something and not is_undo then
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wesnoth.wml_actions.on_undo {
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wml.tag.on_undo_diversion {
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}
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}
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end
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end
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function wesnoth.wml_actions.on_undo_diversion(cfg)
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status_anim_update(true)
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end
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on_event("moveto, die, recruit, recall", function()
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status_anim_update()
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end)
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