wesnoth/data/lua/wml-conditionals.lua
2018-03-24 18:09:04 -04:00

35 lines
904 B
Lua

function wesnoth.wml_conditionals.proceed_to_next_scenario(cfg)
local endlevel_data = wesnoth.get_end_level_data()
if not endlevel_data then
return false
else
return endlevel_data.proceed_to_next_level
end
end
function wesnoth.wml_conditionals.lua(cfg)
cfg = wml.shallow_literal(cfg)
local bytecode, message = load(cfg.code or "")
if not bytecode then
error("~lua:" .. message, 0)
else
return bytecode(wml.get_child(cfg, "args"))
end
end
-- Add formula= to [variable]
-- Doesn't work for array variables though
local old_variable = wesnoth.wml_conditionals.variable
function wesnoth.wml_conditionals.variable(cfg)
if cfg.formula then
local value = wml.variables[cfg.name]
local result = wesnoth.eval_formula(cfg.formula, {value = value})
-- WFL considers 0 as false; Lua doesn't
if result == 0 then return false end
return result
else
return old_variable(cfg)
end
end