unified_inventory/internal.lua

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local S = minetest.get_translator("unified_inventory")
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local F = minetest.formspec_escape
local ui = unified_inventory
-- This pair of encoding functions is used where variable text must go in
-- button names, where the text might contain formspec metacharacters.
-- We can escape button names for the formspec, to avoid screwing up
-- form structure overall, but they then don't get de-escaped, and so
-- the input we get back from the button contains the formspec escaping.
-- This is a game engine bug, and in the anticipation that it might be
-- fixed some day we don't want to rely on it. So for safety we apply
-- an encoding that avoids all formspec metacharacters.
function ui.mangle_for_formspec(str)
return string.gsub(str, "([^A-Za-z0-9])", function (c) return string.format("_%d_", string.byte(c)) end)
end
function ui.demangle_for_formspec(str)
return string.gsub(str, "_([0-9]+)_", function (v) return string.char(v) end)
end
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function ui.get_per_player_formspec(player_name)
local draw_lite_mode = ui.lite_mode and not minetest.check_player_privs(player_name, {ui_full=true})
return table.copy(draw_lite_mode and ui.style_lite or ui.style_full), draw_lite_mode
end
local function formspec_button(ui_peruser, name, image, offset, pos, scale, label)
local element = 'image_button'
if minetest.registered_items[image] then
element = 'item_image_button'
end
local spc = (1-scale)*ui_peruser.btn_size/2
local size = ui_peruser.btn_size*scale
return string.format("%s[%f,%f;%f,%f;%s;%s;]", element,
(offset.x or offset[1]) + ( ui_peruser.btn_spc * (pos.x or pos[1]) ) + spc,
(offset.y or offset[2]) + ( ui_peruser.btn_spc * (pos.y or pos[2]) ) + spc,
size, size, image, name) ..
string.format("tooltip[%s;%s]", name, F(label or name))
end
function ui.get_formspec(player, page)
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if not player then
return ""
end
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local player_name = player:get_player_name()
local ui_peruser,draw_lite_mode = ui.get_per_player_formspec(player_name)
ui.current_page[player_name] = page
local pagedef = ui.pages[page]
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if not pagedef then
return "" -- Invalid page name
end
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local formspec = {
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"formspec_version[4]",
"size["..ui_peruser.formw..","..ui_peruser.formh.."]",
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pagedef.formspec_prepend and "" or "no_prepend[]",
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ui.standard_background
}
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local n = 5
local perplayer_formspec = ui.get_per_player_formspec(player_name)
local fsdata = pagedef.get_formspec(player, perplayer_formspec)
formspec[n] = fsdata.formspec
n = n+1
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local button_row = 0
local button_col = 0
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-- Main buttons
local filtered_inv_buttons = {}
for i, def in pairs(ui.buttons) do
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if not (draw_lite_mode and def.hide_lite) then
table.insert(filtered_inv_buttons, def)
end
end
for i, def in pairs(filtered_inv_buttons) do
if draw_lite_mode and i > 4 then
button_row = 1
button_col = 1
end
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if def.type == "image" then
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if (def.condition == nil or def.condition(player) == true) then
formspec[n] = string.format("image_button[%f,%f;%f,%f;%s;%s;]",
ui_peruser.main_button_x + ui_peruser.btn_spc * (i - 1) - button_col * ui_peruser.btn_spc * 4,
ui_peruser.main_button_y + button_row * ui_peruser.btn_spc,
ui_peruser.btn_size,ui_peruser.btn_size,
F(def.image),
F(def.name))
formspec[n+1] = "tooltip["..F(def.name)..";"..(def.tooltip or "").."]"
n = n+2
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else
formspec[n] = string.format("image[%f,%f;%f,%f;%s^[colorize:#808080:alpha]",
ui_peruser.main_button_x + ui_peruser.btn_spc * (i - 1) - button_col * ui_peruser.btn_spc * 4,
ui_peruser.main_button_y + button_row * ui_peruser.btn_spc,
ui_peruser.btn_size,ui_peruser.btn_size,def.image)
n = n+1
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end
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end
end
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if fsdata.draw_inventory ~= false then
-- Player inventory
formspec[n] = "listcolors[#00000000;#00000000]"
formspec[n+1] = ui_peruser.standard_inv
n = n+2
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end
if fsdata.draw_item_list == false then
return table.concat(formspec, "")
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end
-- Category filters
local categories_pos = { ui_peruser.page_x, ui_peruser.page_y-ui_peruser.btn_spc-0.5 }
local categories_scroll_pos = { ui_peruser.page_x, ui_peruser.form_header_y-(draw_lite_mode and 0 or 0.2) }
formspec[n] = string.format("background9[%f,%f;%f,%f;%s;false;3]",
ui_peruser.page_x-0.1, categories_scroll_pos[2],
(ui_peruser.btn_spc * ui_peruser.pagecols) + 0.13, 1.4+(draw_lite_mode and 0 or 0.2),
"ui_smallbg_9_sliced.png")
n = n + 1
formspec[n] = string.format("label[%f,%f;%s]", ui_peruser.page_x, ui_peruser.form_header_y+(draw_lite_mode and 0.3 or 0.2), "Category:")
n = n + 1
local scroll_offset = 0
local category_count = #unified_inventory.category_list
if category_count > ui_peruser.pagecols then
scroll_offset = unified_inventory.current_category_scroll[player_name]
end
for index, category in ipairs(unified_inventory.category_list) do
local column = index - scroll_offset
if column > 0 and column <= ui_peruser.pagecols then
local scale = 0.8
if unified_inventory.current_category[player_name] == category.name then
scale = 1
end
formspec[n] = formspec_button(ui_peruser, "category_"..category.name, category.symbol, categories_pos, {column-1, 0}, scale, category.label)
n = n + 1
end
end
if category_count > ui_peruser.pagecols and scroll_offset > 0 then
-- prev
formspec[n] = formspec_button(ui_peruser, "prev_category", "ui_left_icon.png", categories_scroll_pos, {ui_peruser.pagecols - 2, 0}, 0.8, S("Scroll categories left"))
n = n + 1
end
if category_count > ui_peruser.pagecols and category_count - scroll_offset > ui_peruser.pagecols then
-- next
formspec[n] = formspec_button(ui_peruser, "next_category", "ui_right_icon.png", categories_scroll_pos, {ui_peruser.pagecols - 1, 0}, 0.8, S("Scroll categories right"))
n = n + 1
end
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-- Search box
formspec[n] = "field_close_on_enter[searchbox;false]"
formspec[n+1] = string.format("field[%f,%f;%f,%f;searchbox;;%s]",
ui_peruser.page_buttons_x, ui_peruser.page_buttons_y,
ui_peruser.searchwidth - 0.1, ui_peruser.btn_size,
F(ui.current_searchbox[player_name]))
formspec[n+2] = string.format("image_button[%f,%f;%f,%f;ui_search_icon.png;searchbutton;]",
ui_peruser.page_buttons_x + ui_peruser.searchwidth, ui_peruser.page_buttons_y,
ui_peruser.btn_size,ui_peruser.btn_size)
formspec[n+3] = "tooltip[searchbutton;" ..F(S("Search")) .. "]"
formspec[n+4] = string.format("image_button[%f,%f;%f,%f;ui_reset_icon.png;searchresetbutton;]",
ui_peruser.page_buttons_x + ui_peruser.searchwidth + ui_peruser.btn_spc,
ui_peruser.page_buttons_y,
ui_peruser.btn_size, ui_peruser.btn_size)
formspec[n+5] = "tooltip[searchresetbutton;"..F(S("Reset search and display everything")).."]"
n = n + 6
-- Controls to flip items pages
local btnlist = {
{ "ui_skip_backward_icon.png", "start_list", S("First page") },
{ "ui_doubleleft_icon.png", "rewind3", S("Back three pages") },
{ "ui_left_icon.png", "rewind1", S("Back one page") },
{ "ui_right_icon.png", "forward1", S("Forward one page") },
{ "ui_doubleright_icon.png", "forward3", S("Forward three pages") },
{ "ui_skip_forward_icon.png", "end_list", S("Last page") },
}
if draw_lite_mode then
btnlist[5] = nil
btnlist[2] = nil
end
local bn = 0
for _, b in pairs(btnlist) do
formspec[n] = string.format("image_button[%f,%f;%f,%f;%s;%s;]",
ui_peruser.page_buttons_x + ui_peruser.btn_spc*bn,
ui_peruser.page_buttons_y + ui_peruser.btn_spc,
ui_peruser.btn_size, ui_peruser.btn_size,
b[1],b[2])
formspec[n+1] = "tooltip["..b[2]..";"..F(b[3]).."]"
bn = bn + 1
n = n + 2
end
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local no_matches = S("No matching items")
if draw_lite_mode then
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no_matches = S("No matches.")
end
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-- Items list
if #ui.filtered_items_list[player_name] == 0 then
formspec[n] = "label["..ui_peruser.page_x..","..(ui_peruser.page_y+0.15)..";" .. F(no_matches) .. "]"
else
local dir = ui.active_search_direction[player_name]
local list_index = ui.current_index[player_name]
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local page2 = math.floor(list_index / (ui_peruser.items_per_page) + 1)
local pagemax = math.floor(
(#ui.filtered_items_list[player_name] - 1)
/ (ui_peruser.items_per_page) + 1)
for y = 0, ui_peruser.pagerows - 1 do
for x = 0, ui_peruser.pagecols - 1 do
local name = ui.filtered_items_list[player_name][list_index]
local item = minetest.registered_items[name]
if item then
-- Clicked on current item: Flip crafting direction
if name == ui.current_item[player_name] then
local cdir = ui.current_craft_direction[player_name]
if cdir == "recipe" then
dir = "usage"
elseif cdir == "usage" then
dir = "recipe"
end
else
-- Default: use active search direction by default
dir = ui.active_search_direction[player_name]
end
local button_name = "item_button_" .. dir .. "_"
.. ui.mangle_for_formspec(name)
formspec[n] = ("item_image_button[%f,%f;%f,%f;%s;%s;]"):format(
ui_peruser.page_x + x * ui_peruser.btn_spc,
ui_peruser.page_y + y * ui_peruser.btn_spc,
ui_peruser.btn_size, ui_peruser.btn_size,
name, button_name
)
formspec[n + 1] = ("tooltip[%s;%s \\[%s\\]]"):format(
button_name, minetest.formspec_escape(item.description),
item.mod_origin or "??"
)
n = n + 2
list_index = list_index + 1
end
end
end
formspec[n] = string.format("label[%f,%f;%s: %s]",
ui_peruser.page_buttons_x + ui_peruser.btn_spc * (draw_lite_mode and 1 or 2),
ui_peruser.page_buttons_y + 0.1 + ui_peruser.btn_spc * 2,
F(S("Page")), S("@1 of @2",page2,pagemax))
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end
n= n+1
if ui.activefilter[player_name] ~= "" then
formspec[n] = string.format("label[%f,%f;%s: %s]",
ui_peruser.page_x, ui_peruser.page_y - 0.25,
F(S("Filter")), F(ui.activefilter[player_name]))
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end
return table.concat(formspec, "")
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end
function ui.set_inventory_formspec(player, page)
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if player then
player:set_inventory_formspec(ui.get_formspec(player, page))
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end
end
local function valid_def(def)
return (not def.groups.not_in_creative_inventory
or def.groups.not_in_creative_inventory == 0)
and def.description
and def.description ~= ""
end
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--apply filter to the inventory list (create filtered copy of full one)
function ui.apply_filter(player, filter, search_dir)
if not player then
return false
end
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local player_name = player:get_player_name()
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local lfilter = string.lower(filter)
local ffilter
if lfilter:sub(1, 6) == "group:" then
local groups = lfilter:sub(7):split(",")
ffilter = function(name, def)
for _, group in ipairs(groups) do
if not def.groups[group]
or def.groups[group] <= 0 then
return false
end
end
return true
end
else
local lang = minetest.get_player_information(player_name).lang_code
ffilter = function(name, def)
local lname = string.lower(name)
local ldesc = string.lower(def.description)
local llocaldesc = minetest.get_translated_string
and string.lower(minetest.get_translated_string(lang, def.description))
return string.find(lname, lfilter, 1, true) or string.find(ldesc, lfilter, 1, true)
or llocaldesc and string.find(llocaldesc, lfilter, 1, true)
end
end
ui.filtered_items_list[player_name]={}
local category = ui.current_category[player_name] or 'all'
if category == 'all' then
for name, def in pairs(minetest.registered_items) do
if valid_def(def)
and ffilter(name, def) then
table.insert(ui.filtered_items_list[player_name], name)
end
end
elseif category == 'uncategorized' then
for name, def in pairs(minetest.registered_items) do
if (not ui.find_category(name))
and valid_def(def)
and ffilter(name, def) then
table.insert(ui.filtered_items_list[player_name], name)
end
end
else
for name,exists in pairs(ui.registered_category_items[category]) do
local def = minetest.registered_items[name]
if exists and def
and valid_def(def)
and ffilter(name, def) then
table.insert(ui.filtered_items_list[player_name], name)
end
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end
end
table.sort(ui.filtered_items_list[player_name])
ui.filtered_items_list_size[player_name] = #ui.filtered_items_list[player_name]
ui.current_index[player_name] = 1
ui.activefilter[player_name] = filter
ui.active_search_direction[player_name] = search_dir
ui.set_inventory_formspec(player,
ui.current_page[player_name])
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end
function ui.items_in_group(groups)
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local items = {}
for name, item in pairs(minetest.registered_items) do
for _, group in pairs(groups:split(',')) do
if item.groups[group] then
table.insert(items, name)
end
end
end
return items
end
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function ui.sort_inventory(inv)
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local inlist = inv:get_list("main")
local typecnt = {}
local typekeys = {}
for _, st in ipairs(inlist) do
if not st:is_empty() then
local n = st:get_name()
local w = st:get_wear()
local m = st:get_metadata()
local k = string.format("%s %05d %s", n, w, m)
if not typecnt[k] then
typecnt[k] = {
name = n,
wear = w,
metadata = m,
stack_max = st:get_stack_max(),
count = 0,
}
table.insert(typekeys, k)
end
typecnt[k].count = typecnt[k].count + st:get_count()
end
end
table.sort(typekeys)
local outlist = {}
for _, k in ipairs(typekeys) do
local tc = typecnt[k]
while tc.count > 0 do
local c = math.min(tc.count, tc.stack_max)
table.insert(outlist, ItemStack({
name = tc.name,
wear = tc.wear,
metadata = tc.metadata,
count = c,
}))
tc.count = tc.count - c
end
end
if #outlist > #inlist then return end
while #outlist < #inlist do
table.insert(outlist, ItemStack(nil))
end
inv:set_list("main", outlist)
end