wesnoth/data/lua/wml/modify_ai.lua
2018-03-13 16:55:36 +11:00

35 lines
1.3 KiB
Lua

local helper = wesnoth.require "helper"
local utils = wesnoth.require "wml-utils"
function wesnoth.wml_actions.modify_ai(cfg)
local sides = utils.get_sides(cfg)
local component, final
if cfg.action == "add" or cfg.action == "change" then
local start = string.find(cfg.path, "[a-z_]+%[[a-z0-9_*]*%]$")
final = start and (string.find(cfg.path, '[', start, true) - 1) or -1
start = start or string.find(cfg.path, "[^.]*$") or 1
local comp_type = string.sub(cfg.path, start, final)
component = wml.get_child(cfg, comp_type)
if component == nil then
helper.wml_error("Missing component definition in [modify_ai]")
end
component = wml.parsed(component)
end
for i = 1, #sides do
if cfg.action == "add" then
wesnoth.add_ai_component(sides[i].side, cfg.path, component)
elseif cfg.action == "delete" or cfg.action == "try_delete" then
wesnoth.delete_ai_component(sides[i].side, cfg.path)
elseif cfg.action == "change" then
local id_start = final + 2
local id_final = string.len(cfg.path) - 1
local id = string.sub(cfg.path, id_start, id_final)
if id == "*" then
helper.wml_error("[modify_ai] can only change one component at a time")
elseif not component.id and not id:match("[0-9]+") then
component.id = id
end
wesnoth.change_ai_component(sides[i].side, cfg.path, component)
end
end
end