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allow to to use a custom rng in helper.rand

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gfgtdf 2017-04-07 15:05:56 +02:00 • committed by GitHub
parent 99de242524
commit 8c4e09e940
1 changed files with 3 additions and 2 deletions
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5
data/lua/helper.lua
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@ -402,7 +402,8 @@ function helper.shallow_parsed(cfg)
end
end
function helper.rand (possible_values)
function helper.rand (possible_values, random_func)
random_func = random_func or wesnoth.random
assert(type(possible_values) == "table" or type(possible_values) == "string", string.format("helper.rand expects a string or table as parameter, got %s instead", type(possible_values)))
local items = {}
@ -460,7 +461,7 @@ function helper.rand (possible_values)
end
end
local idx = wesnoth.random(1, num_choices)
local idx = random_func(1, num_choices)
for i, item in ipairs(items) do
if type(item) == "table" then -- that's a range