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[set_variable]: added support for abs=, root= and power= keys

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root= currently supports only one value, "square" (returns the square root).
This commit is contained in:
Elvish_Hunter 2016-10-26 20:18:55 +02:00
parent 33e03a5b8b
commit 63ac16702d
1 changed files with 16 additions and 0 deletions
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16
data/lua/wml-tags.lua
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@ -1146,6 +1146,22 @@ function wml_actions.set_variable(cfg)
wesnoth.set_variable(name, (tonumber(wesnoth.get_variable(name)) or 0) % modulo)
end
if cfg.abs then
wesnoth.set_variable(name, math.abs(tonumber(wesnoth.get_variable(name)) or 0))
end
if cfg.root then
if cfg.root == "square" then
local radicand = tonumber(wesnoth.get_variable(name)) or 0
if radicand < 0 then helper.wml_error("square root of negative number on variable " .. name) end
wesnoth.set_variable(name, math.sqrt(radicand))
end
end
if cfg.power then
wesnoth.set_variable(name, (tonumber(wesnoth.get_variable(name)) or 0) ^ (tonumber(cfg.power) or 0))
end
if cfg.round then
local var = tonumber(wesnoth.get_variable(name) or 0)
local round_val = cfg.round