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ai_helper: new function get_locations_no_borders()

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(cherry-picked from commit 10463fdf60)
This commit is contained in:
mattsc 2018-09-06 06:53:22 -07:00
parent 98bec00fac
commit 319c98d616
1 changed files with 15 additions and 0 deletions
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15
data/ai/lua/ai_helper.lua
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@ -639,6 +639,21 @@ function ai_helper.is_opposite_adjacent(hex1, hex2, center_hex)
return false
end
function ai_helper.get_locations_no_borders(location_filter)
-- Returns the same locations array as wesnoth.get_locations(location_filter),
-- but excluding hexes on the map border.
--
-- This is faster than alternative methods, at least with the current
-- implementation of standard location filter evaluation by the engine.
-- Note that this might not work if @location_filter is a vconfig object.
local old_include_borders = location_filter.include_borders
location_filter.include_borders = false
local locs = wesnoth.get_locations(location_filter)
location_filter.include_borders = old_include_borders
return locs
end
function ai_helper.get_closest_location(hex, location_filter, unit)
-- Get the location closest to @hex (in format { x, y })
-- that matches @location_filter (in WML table format)