minetest-mods/unified_inventory/internal.lua
2021-05-16 13:36:21 +02:00

377 lines
12 KiB
Lua

local S = minetest.get_translator("unified_inventory")
local F = minetest.formspec_escape
-- 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 unified_inventory.mangle_for_formspec(str)
return string.gsub(str, "([^A-Za-z0-9])", function (c) return string.format("_%d_", string.byte(c)) end)
end
function unified_inventory.demangle_for_formspec(str)
return string.gsub(str, "_([0-9]+)_", function (v) return string.char(v) end)
end
function unified_inventory.get_per_player_formspec(player_name)
local lite = unified_inventory.lite_mode and not minetest.check_player_privs(player_name, {ui_full=true})
local ui = {}
ui.pagecols = unified_inventory.pagecols
ui.pagerows = unified_inventory.pagerows
ui.page_y = unified_inventory.page_y
ui.formspec_y = unified_inventory.formspec_y
ui.main_button_x = unified_inventory.main_button_x
ui.main_button_y = unified_inventory.main_button_y
ui.craft_result_x = unified_inventory.craft_result_x
ui.craft_result_y = unified_inventory.craft_result_y
ui.form_header_y = unified_inventory.form_header_y
if lite then
ui.pagecols = 4
ui.pagerows = 6
ui.page_y = 0.25
ui.formspec_y = 0.47
ui.main_button_x = 8.2
ui.main_button_y = 6.5
ui.craft_result_x = 2.8
ui.craft_result_y = 3.4
ui.form_header_y = -0.1
end
ui.items_per_page = ui.pagecols * ui.pagerows
return ui, lite
end
function unified_inventory.get_formspec(player, page)
if not player then
return ""
end
local player_name = player:get_player_name()
local ui_peruser,draw_lite_mode = unified_inventory.get_per_player_formspec(player_name)
unified_inventory.current_page[player_name] = page
local pagedef = unified_inventory.pages[page]
if not pagedef then
return "" -- Invalid page name
end
local formspec = {
"size[14,10]",
pagedef.formspec_prepend and "" or "no_prepend[]",
unified_inventory.standard_background -- Background
}
local n = 4
if draw_lite_mode then
formspec[1] = "size[11,7.7]"
formspec[3] = unified_inventory.standard_background
end
if unified_inventory.is_creative(player_name)
and page == "craft" then
formspec[n] = "background[0,"..(ui_peruser.formspec_y + 2)..";1,1;ui_single_slot.png]"
n = n+1
end
local perplayer_formspec = unified_inventory.get_per_player_formspec(player_name)
local fsdata = pagedef.get_formspec(player, perplayer_formspec)
formspec[n] = fsdata.formspec
n = n+1
local button_row = 0
local button_col = 0
-- Main buttons
local filtered_inv_buttons = {}
for i, def in pairs(unified_inventory.buttons) do
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
if def.type == "image" then
if (def.condition == nil or def.condition(player) == true) then
formspec[n] = "image_button["
formspec[n+1] = ( ui_peruser.main_button_x + 0.65 * (i - 1) - button_col * 0.65 * 4)
formspec[n+2] = ","..(ui_peruser.main_button_y + button_row * 0.7)..";0.8,0.8;"
formspec[n+3] = F(def.image)..";"
formspec[n+4] = F(def.name)..";]"
formspec[n+5] = "tooltip["..F(def.name)
formspec[n+6] = ";"..(def.tooltip or "").."]"
n = n+7
else
formspec[n] = "image["
formspec[n+1] = ( ui_peruser.main_button_x + 0.65 * (i - 1) - button_col * 0.65 * 4)
formspec[n+2] = ","..(ui_peruser.main_button_y + button_row * 0.7)..";0.8,0.8;"
formspec[n+3] = F(def.image).."^[colorize:#808080:alpha]"
n = n+4
end
end
end
if fsdata.draw_inventory ~= false then
-- Player inventory
formspec[n] = "listcolors[#00000000;#00000000]"
formspec[n+1] = string.gsub(unified_inventory.standard_inv, "YYY", ui_peruser.formspec_y + 3.5)
n = n+2
end
if fsdata.draw_item_list == false then
return table.concat(formspec, "")
end
-- Controls to flip items pages
local start_x = 9.2
if not draw_lite_mode then
formspec[n] =
"image_button[" .. (start_x + 0.6 * 0)
.. ",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
.. "tooltip[start_list;" .. F(S("First page")) .. "]"
.. "image_button[" .. (start_x + 0.6 * 1)
.. ",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
.. "tooltip[rewind3;" .. F(S("Back three pages")) .. "]"
.. "image_button[" .. (start_x + 0.6 * 2)
.. ",9;.8,.8;ui_left_icon.png;rewind1;]"
.. "tooltip[rewind1;" .. F(S("Back one page")) .. "]"
.. "image_button[" .. (start_x + 0.6 * 3)
.. ",9;.8,.8;ui_right_icon.png;forward1;]"
.. "tooltip[forward1;" .. F(S("Forward one page")) .. "]"
.. "image_button[" .. (start_x + 0.6 * 4)
.. ",9;.8,.8;ui_doubleright_icon.png;forward3;]"
.. "tooltip[forward3;" .. F(S("Forward three pages")) .. "]"
.. "image_button[" .. (start_x + 0.6 * 5)
.. ",9;.8,.8;ui_skip_forward_icon.png;end_list;]"
.. "tooltip[end_list;" .. F(S("Last page")) .. "]"
else
formspec[n] =
"image_button[" .. (8.2 + 0.65 * 0)
.. ",5.8;.8,.8;ui_skip_backward_icon.png;start_list;]"
.. "tooltip[start_list;" .. F(S("First page")) .. "]"
.. "image_button[" .. (8.2 + 0.65 * 1)
.. ",5.8;.8,.8;ui_left_icon.png;rewind1;]"
.. "tooltip[rewind1;" .. F(S("Back one page")) .. "]"
.. "image_button[" .. (8.2 + 0.65 * 2)
.. ",5.8;.8,.8;ui_right_icon.png;forward1;]"
.. "tooltip[forward1;" .. F(S("Forward one page")) .. "]"
.. "image_button[" .. (8.2 + 0.65 * 3)
.. ",5.8;.8,.8;ui_skip_forward_icon.png;end_list;]"
.. "tooltip[end_list;" .. F(S("Last page")) .. "]"
end
n = n+1
-- Search box
formspec[n] = "field_close_on_enter[searchbox;false]"
n = n+1
if not draw_lite_mode then
formspec[n] = "field[9.5,8.325;3,1;searchbox;;"
.. F(unified_inventory.current_searchbox[player_name]) .. "]"
formspec[n+1] = "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"
.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
formspec[n+2] = "image_button[12.9,8.1;.8,.8;ui_reset_icon.png;searchresetbutton;]"
.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
.. "tooltip[searchresetbutton;" ..F(S("Reset search and display everything")) .. "]"
else
formspec[n] = "field[8.5,5.225;2.2,1;searchbox;;"
.. F(unified_inventory.current_searchbox[player_name]) .. "]"
formspec[n+1] = "image_button[10.3,5;.8,.8;ui_search_icon.png;searchbutton;]"
.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
formspec[n+2] = "image_button[11,5;.8,.8;ui_reset_icon.png;searchresetbutton;]"
.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
.. "tooltip[searchresetbutton;" ..F(S("Reset search and display everything")) .. "]"
end
n = n+3
local no_matches = S("No matching items")
if draw_lite_mode then
no_matches = S("No matches.")
end
-- Items list
if #unified_inventory.filtered_items_list[player_name] == 0 then
formspec[n] = "label[8.2,"..ui_peruser.form_header_y..";" .. F(no_matches) .. "]"
else
local dir = unified_inventory.active_search_direction[player_name]
local list_index = unified_inventory.current_index[player_name]
local page2 = math.floor(list_index / (ui_peruser.items_per_page) + 1)
local pagemax = math.floor(
(#unified_inventory.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 = unified_inventory.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 == unified_inventory.current_item[player_name] then
local cdir = unified_inventory.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 = unified_inventory.active_search_direction[player_name]
end
local button_name = "item_button_" .. dir .. "_"
.. unified_inventory.mangle_for_formspec(name)
formspec[n] = ("item_image_button[%f,%f;.81,.81;%s;%s;]"):format(
8.2 + x * 0.7, ui_peruser.formspec_y + ui_peruser.page_y + y * 0.7,
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] = "label[8.2,"..ui_peruser.form_header_y..";"..F(S("Page")) .. ": "
.. S("@1 of @2",page2,pagemax).."]"
end
n= n+1
if unified_inventory.activefilter[player_name] ~= "" then
formspec[n] = "label[8.2,"..(ui_peruser.form_header_y + 0.4)..";" .. F(S("Filter")) .. ":]"
formspec[n+1] = "label[9.1,"..(ui_peruser.form_header_y + 0.4)..";"..F(unified_inventory.activefilter[player_name]).."]"
end
return table.concat(formspec, "")
end
function unified_inventory.set_inventory_formspec(player, page)
if player then
player:set_inventory_formspec(unified_inventory.get_formspec(player, page))
end
end
--apply filter to the inventory list (create filtered copy of full one)
function unified_inventory.apply_filter(player, filter, search_dir)
if not player then
return false
end
local player_name = player:get_player_name()
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
unified_inventory.filtered_items_list[player_name]={}
for name, def in pairs(minetest.registered_items) do
if (not def.groups.not_in_creative_inventory
or def.groups.not_in_creative_inventory == 0)
and def.description
and def.description ~= ""
and ffilter(name, def) then
table.insert(unified_inventory.filtered_items_list[player_name], name)
end
end
table.sort(unified_inventory.filtered_items_list[player_name])
unified_inventory.filtered_items_list_size[player_name] = #unified_inventory.filtered_items_list[player_name]
unified_inventory.current_index[player_name] = 1
unified_inventory.activefilter[player_name] = filter
unified_inventory.active_search_direction[player_name] = search_dir
unified_inventory.set_inventory_formspec(player,
unified_inventory.current_page[player_name])
end
function unified_inventory.items_in_group(groups)
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
function unified_inventory.sort_inventory(inv)
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