upstream/wesnoth
1
0
Fork 0
mirror of https://github.com/wesnoth/wesnoth synced 2025-04-28 11:13:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add [set_variable]min|max= to calculate an extremum value

Browse Source
This commit is contained in:
Celtic Minstrel 2020-12-28 15:55:05 -05:00
parent 927fcbfb47
commit 4b2599864a
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
data/lua/wml/set_variable.lua
View File

@ -124,6 +124,24 @@ function wesnoth.wml_actions.set_variable(cfg, variables)
local ivalue, fvalue = math.modf(tonumber(cfg.fpart) or 0)
variables[name] = fvalue
end
-- similarly, min and max operate on the list assigned to the variable
-- and do not consider value already contained in the variable
if cfg.min then
local values = cfg.min:split()
for i = 1, #values do
values[i] = tonumber(values[i])
end
variables[name] = math.min(table.unpack(values))
end
if cfg.max then
local values = cfg.max:split()
for i = 1, #values do
values[i] = tonumber(values[i])
end
variables[name] = math.max(table.unpack(values))
end
if cfg.string_length ~= nil then
variables[name] = string.len(tostring(cfg.string_length))