241 lines
7.1 KiB
Lua
241 lines
7.1 KiB
Lua
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--
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-- formspeclib default objects
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--
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-- These are unprefixed, however if you create a mod that registers objects,
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-- it is recommended to prefix them with your mod name to prevent conflicts.
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--
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--
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-- Raw formspec data
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--
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-- Parameters: data
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--
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-- Example 'bgcolor[#fff;true;]':
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-- {
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-- type = 'formspeclib:raw_formspec',
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-- data = 'bgcolor[#fff;true;]',
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-- }
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--
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-- Using this is not recommended, and it is disabled in safe mode as it can be
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-- used to crash MT clients, effectively kicking an unsuspecting victim.
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--
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formspeclib.register_object('formspeclib:raw_formspec', function(obj, safe_mode)
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if safe_mode or type(obj.data) ~= 'string' then
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return false
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else
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return obj.data
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end
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end)
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--
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-- A label
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--
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-- Parameters: x, y, align(?), text
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--
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-- Example 'label[1,1;Hello world!]':
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-- {
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-- type = 'text',
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-- x = 1,
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-- y = 1,
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-- align = 'left',
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-- text = 'Hello world!'
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-- }
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--
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-- align can be one of 'left', 'centre'/'center', or 'vertical'. If align is
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-- set to 'centre'/'center', you can also set width and height.
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--
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formspeclib.register_object('text', function(obj, safe_mode)
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if not obj.text or not obj.x or not obj.y then return false end
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if not obj.align then obj.align = 'left' end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local text = formspeclib.escape(obj.text)
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if obj.align == 'left' then
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return 'label[' .. x .. ',' .. y .. ';' .. text .. ']'
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elseif obj.align == 'centre' or obj.align == 'center' then
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-- This magical hack lets you centre/center text in formspecs.
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-- Make sure your formspec ignores 'formspeclib:ignore'.
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local width = formspeclib.escape(obj.width or 8)
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local height = formspeclib.escape(obj.height or 0.5)
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return 'image_button[' .. x .. ',' .. y .. ';' .. width .. ',' ..
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height .. ';' .. formspeclib.escape('default_dirt.png^[colorize:#343434') .. ';formspeclib:ignore;' ..
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text .. ']'
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elseif obj.align == 'vertical' then
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return 'vertlabel[' .. x .. ',' .. y .. ';' .. text .. ']'
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else
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return false
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end
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end)
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--
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-- An image
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--
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-- Parameters: x, y, width(?), height(?), image
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--
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-- Example 'image[1,1;1,1;default_dirt.png]':
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-- {
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-- type = 'image',
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-- x = 1,
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-- y = 1,
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-- width = 1,
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-- height = 1,
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-- image = 'default_dirt.png'
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-- }
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formspeclib.register_object('image', function(obj, safe_mode)
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if not obj.image or not obj.x or not obj.y then return false end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local width = formspeclib.escape(obj.width or obj.height or 1)
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local height = formspeclib.escape(obj.height or obj.width or 1)
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local image = formspeclib.escape(obj.image)
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return 'image[' .. x .. ',' .. y .. ';' .. width .. ',' .. height .. ';' .. image .. ']'
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end)
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--
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-- A button
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--
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-- Parameters: x, y, width, height(?), name, text, quit(?), image(?)
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--
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-- Example 'image_button_exit[1,1;3,1;button_cancel.png;cancel;Cancel]':
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-- {
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-- type = 'button',
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-- x = 1,
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-- y = 1,
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-- width = 3,
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-- height = 1,
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-- name = 'cancel',
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-- text = 'Cancel',
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-- quit = true,
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-- image = 'button_cancel.png',
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-- }
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--
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formspeclib.register_object('button', function(obj, safe_mode)
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if not obj.text or not obj.x or not obj.y or not obj.width or not obj.name then
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return false
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end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local w = formspeclib.escape(obj.width)
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local h = formspeclib.escape(obj.height or 2)
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local name = formspeclib.escape(obj.name)
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local text = formspeclib.escape(obj.text)
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local t = 'button'
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local img = ''
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if obj.quit then
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t = t .. '_exit'
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end
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if obj.image then
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t = 'image_' .. t
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img = ';' .. formspeclib.escape(obj.image)
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if not obj.quit and not string.find(img, '.') then
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t = 'item_' .. t
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end
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end
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return t .. '[' .. x .. ',' .. y .. ';' .. w .. ',' .. h .. img .. ';' .. name .. ';' .. text .. ']'
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end)
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--
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-- A text box
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--
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-- Parameters: x, y, width, height(?), name, label(?), default(?), password(?)
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--
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-- Example 'textarea[1,1;2,3;message;Yay]':
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-- {
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-- type = 'textbox',
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-- x = 1,
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-- y = 1,
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-- width = 2,
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-- height = 3,
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-- default = 'Yay',
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-- name = 'message',
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-- }
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formspeclib.register_object('textbox', function(obj, safe_mode)
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if obj.x or not obj.y or not obj.width or not obj.name then
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return false
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end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local w = formspeclib.escape(obj.width)
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local name = formspeclib.escape(obj.name)
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local l = formspeclib.escape(obj.label or '')
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local def = formspeclib.escape(obj.default or '')
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local t = 'field'
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local img = ''
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def = ';' .. def
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local h
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if obj.height then
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h = formspeclib.escape(obj.height)
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t = 'textarea'
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else
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h = 2
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end
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if obj.password then
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if obj.default or obj.height then
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return false
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else
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t = 'pwd' .. t
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def = ''
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end
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end
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return t .. '[' .. x .. ',' .. y .. ';' .. w .. ',' .. h .. ';' .. name .. ';' .. l .. def .. ']'
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end)
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--
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-- A combo box
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--
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-- Parameters: x, y, width, height(?), name, label(?), default(?), password(?)
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--
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formspeclib.register_object('combobox', function(obj, safe_mode)
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if not obj.x or not obj.y or not obj.width or not obj.name or not obj.items then
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return false
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end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local w = formspeclib.escape(obj.width)
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local name = formspeclib.escape(obj.name)
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local l = formspeclib.escape(obj.label or '')
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local def = formspeclib.escape(obj.default or '')
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local img = ''
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def = ';' .. def
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local h
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local t
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local i
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local items
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for i = 1, #obj.items do
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if i ~= 1 then i = i .. ';' end
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items = items .. obj.items[i]
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end
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if obj.height then
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h = formspeclib.escape(obj.height)
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t = 'textlist'
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else
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h = 2
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t = 'dropdown'
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end
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return t .. '[' .. x .. ',' .. y .. ';' .. w .. ',' .. h .. ';' .. name .. ';' .. l .. def .. ']'
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end)
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--
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-- An inventory list
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--
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-- Parameters: location(?), name(?), x, y, width, height, start_at(?)
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--
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formspeclib.register_object('inventory', function(obj, safe_mode)
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if not obj.x or not obj.y or not obj.width or not obj.height then
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return false
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end
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local x = formspeclib.escape(obj.x)
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local y = formspeclib.escape(obj.y)
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local w = formspeclib.escape(obj.width)
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local h = formspeclib.escape(obj.height)
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local location = formspeclib.escape(obj.location or 'current_player')
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local name = formspeclib.escape(obj.name or 'main')
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local start = formspeclib.escape(obj.start_at or '')
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if safe_mode and location ~= 'current_player' and location ~= 'context' then
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-- You are not allowed to use other locations in safe mode.
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return false
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end
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return 'list[' .. location .. ';' .. name .. ';' .. x .. ',' .. y .. ';' ..
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w .. ',' .. h .. ';' .. start .. ']'
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end)
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